/* Reset e estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #5252e0;
    --secondary-color: #7c7ce4;
    --dark-color: #14141f;
    --light-color: #f5f5f7;
    --text-color: #333;
    --text-light: #777;
    --border-radius: 8px;
    --box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    --card-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
    --gradient-primary: linear-gradient(90deg, var(--primary-color), #7373f0);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fafafa;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
    font-size: 1rem;
}

/* Cabeçalho */
header {
    position: sticky;
    top: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    z-index: 100;
}

.logo a {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    transition: var(--transition);
}

.logo a:hover {
    opacity: 0.9;
}

.main-menu {
    display: flex;
}

.main-menu li {
    margin: 0 1rem;
}

.main-menu a {
    font-weight: 500;
    transition: var(--transition);
}

.main-menu a:hover {
    color: var(--primary-color);
}

.highlight-btn {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
}

.auth-buttons {
    display: flex;
    gap: 1rem;
}

.auth-buttons button, .primary-btn, .secondary-btn {
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    padding: 0.6rem 1.5rem;
}

#login-btn {
    background-color: transparent;
    color: var(--text-color);
}

.primary-btn {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 12px rgba(82, 82, 224, 0.25);
}

.primary-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(82, 82, 224, 0.35);
}

.secondary-btn {
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
}

.secondary-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Seção Hero */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    gap: 2rem;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.2rem;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
}

.hero-image {
    flex: 1;
    position: relative;
    max-width: 500px;
}

.hero-image img {
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.5s ease;
}

.hero-image img:hover {
    transform: perspective(1000px) rotateY(0deg);
}

/* Seção de recursos */
.features {
    padding: 5rem 2rem;
    background-color: #f5f5f7;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.features:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 150px;
    background: linear-gradient(180deg, white, transparent);
    z-index: 1;
}

.features h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 3rem;
    position: relative;
    z-index: 2;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.feature-card {
    background-color: white;
    padding: 2.5rem 2rem;
    border-radius: 15px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.feature-card i {
    font-size: 2.75rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    transition: transform 0.5s ease;
}

.feature-card:hover i {
    transform: scale(1.15);
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.feature-card p {
    color: var(--text-light);
    margin-top: auto;
}

/* Galeria */
.gallery {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.gallery h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 3rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    overflow: hidden;
    border-radius: 8px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.gallery-item:hover {
    transform: scale(1.03);
}

/* Seção de depoimentos */
.testimonials {
    padding: 5rem 2rem;
    text-align: center;
    background-color: white;
    position: relative;
}

.testimonials h2 {
    font-size: 2.3rem;
    margin-bottom: 3rem;
    color: var(--dark-color);
}

.testimonials-carousel {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    overflow: hidden;
}

.testimonial {
    padding: 1rem;
    display: none;
    transition: all 0.3s ease;
}

.testimonial.active {
    display: block;
}

.testimonial-content {
    background-color: #f5f7ff;
    padding: 2.5rem;
    border-radius: 16px;
    margin-bottom: 2rem;
    position: relative;
    box-shadow: var(--box-shadow);
}

.testimonial-content:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50px;
    width: 20px;
    height: 20px;
    background-color: #f5f7ff;
    transform: rotate(45deg);
}

.testimonial-content p {
    font-style: italic;
    line-height: 1.7;
    font-size: 1.15rem;
    color: var(--text-color);
}

.testimonial-author {
    display: flex;
    align-items: center;
    padding-left: 30px;
}

.testimonial-author img {
    width: 65px;
    height: 65px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 1.2rem;
    border: 3px solid white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

.testimonial-author div {
    text-align: left;
}

.testimonial-author h4 {
    font-size: 1.2rem;
    margin: 0;
    color: var(--primary-color);
}

.testimonial-author p {
    margin: 0;
    color: var(--text-light);
}

.carousel-dots {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

.dot {
    height: 12px;
    width: 12px;
    background-color: #ddd;
    border-radius: 50%;
    margin: 0 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background-color: var(--primary-color);
    transform: scale(1.2);
}

/* Rodapé */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 4rem 2rem 2rem;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
}

.footer-logo h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.footer-logo p {
    color: #aaa;
    max-width: 300px;
    font-size: 0.95rem;
}

.footer-links {
    display: flex;
    gap: 3rem;
    flex-wrap: wrap;
}

.footer-links-column h4 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: #eee;
}

.footer-links-column ul li {
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.footer-links-column ul li a {
    color: #aaa;
    transition: var(--transition);
}

.footer-links-column ul li a:hover {
    color: white;
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icons a {
    color: #aaa;
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-icons a:hover {
    color: white;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

.footer-bottom p {
    content: "© 2025 kotlr.ai. All rights reserved.";
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 450px;
    width: 100%;
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    gap: 0.5rem;
}

.google-btn:hover {
    background-color: #f5f5f5;
}

.google-btn i {
    color: #4285F4;
    font-size: 1.25rem;
}

/* Seção Como Funciona */
.how-it-works {
    padding: 5rem 2rem;
    background-color: #f5f7ff;
    text-align: center;
    position: relative;
}

.how-it-works:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(0deg, white, transparent);
    z-index: 1;
}

.how-it-works h2 {
    font-size: 2.3rem;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 2;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: left;
    position: relative;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(82, 82, 224, 0.3);
}

.step h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta, .about-cta {
    background: #5252e0;
    padding: 5rem 2rem;
    text-align: center;
    margin-top: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta h2, .about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.cta p, .about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.cta .primary-btn, .about-cta .primary-btn {
    background-color: white;
    color: #5252e0;
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.cta .primary-btn:hover, .about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Estilos para a página About */
.about-header {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background: linear-gradient(180deg, #f5f7ff, white);
    position: relative;
}

.about-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), #000000);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-header p {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #eee;
    gap: 3rem;
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    object-fit: cover;
}

/* Placeholders para imagens */
.placeholder-image {
    background-color: #f0f0f5;
    height: 300px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 2px dashed rgba(82, 82, 224, 0.3);
    font-size: 1.5rem;
    margin: 1rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.placeholder-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
    border-color: rgba(82, 82, 224, 0.5);
}

.placeholder-member {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: #f0f0f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 5px solid white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    font-size: 1.2rem;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.team-member:hover .placeholder-member {
    box-shadow: 0 12px 30px rgba(82, 82, 224, 0.3);
    border-color: #f8f8ff;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 300px;
    margin: 0 auto;
    line-height: 1.6;
}

/* CTA na página About */
.about-cta {
    background: linear-gradient(45deg, var(--primary-color), #5252e0);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    overflow: hidden;
}

.about-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
    background-size: 150px;
}

.about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn {
    background-color: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .cta-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        width: 100%;
        justify-content: space-between;
    }

    .about-section {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }
    
    .about-section.reverse {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 1.5rem;
    }
    
    .about-content h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-content ul {
        display: inline-block;
        text-align: left;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    header {
        padding: 0.75rem 1rem;
        position: fixed;
        width: 100%;
        top: 0;
        background-color: white;
    }
    
    .logo a {
        font-size: 1.5rem;
    }
    
    main {
        margin-top: 60px;
    }
    
    .hero {
        padding: 2rem 1rem;
        gap: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    .hero-buttons a {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .features {
        padding: 2.5rem 1rem;
    }
    
    .features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .feature-card {
        margin-bottom: 1.5rem;
        padding: 1.5rem;
    }
    
    .how-it-works {
        padding: 2.5rem 1rem;
    }
    
    .how-it-works h2 {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    .step {
        margin-bottom: 2.5rem;
        padding-top: 2rem;
    }
    
    .step-number {
        top: -15px;
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .testimonials {
        padding: 2.5rem 1rem;
    }
    
    .testimonials h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .testimonial-content {
        padding: 1.5rem;
    }
    
    .cta {
        padding: 2.5rem 1rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
    
    .cta p {
        font-size: 1rem;
    }
    
    footer {
        padding: 2.5rem 1rem 1.5rem;
    }
    
    .footer-logo h3 {
        font-size: 1.5rem;
    }
    
    .footer-links-column {
        margin-bottom: 1.5rem;
        min-width: 140px;
    }
    
    .about-header {
        padding: 2.5rem 1rem 2rem;
    }
    
    .about-header h1 {
        font-size: 2rem;
    }
    
    .about-header p {
        font-size: 1rem;
    }
    
    .about-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-image {
        height: 200px;
        margin: 0.5rem 0 1.5rem;
    }
    
    .about-content h2 {
        font-size: 1.8rem;
    }
    
    .about-content h3 {
        font-size: 1.4rem;
    }
    
    .about-content p {
        font-size: 1rem;
    }
    
    .team-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-member {
        width: 150px;
        height: 150px;
    }
    
    .about-cta {
        padding: 2.5rem 1rem;
    }
    
    .about-cta h2 {
        font-size: 1.8rem;
    }
    
    .main-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        z-index: 100;
        flex-direction: column;
    }
    
    .main-menu.active {
        display: flex;
    }
    
    .main-menu li {
        margin: 0;
    }
    
    .main-menu li a {
        display: block;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .main-menu li:last-child a {
        border-bottom: none;
    }
    
    .auth-buttons {
        display: none;
    }
    
    .auth-buttons.active {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        padding: 1rem 1.5rem;
        background-color: #f5f5f7;
    }
    
    .auth-buttons.active button {
        width: 100%;
        text-align: center;
        padding: 0.8rem;
    }
    
    .mobile-menu-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .features h2, 
    .how-it-works h2, 
    .testimonials h2, 
    .cta h2, 
    .about-header h1 {
        font-size: 1.6rem;
    }
    
    .about-content h2 {
        font-size: 1.6rem;
    }
    
    .about-content h3 {
        font-size: 1.3rem;
    }
    
    .feature-card, 
    .step, 
    .testimonial-content {
        padding: 1.25rem;
    }
    
    .placeholder-image {
        height: 180px;
    }
    
    .placeholder-member {
        width: 130px;
        height: 130px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
}

.about-content {
    flex: 1;
    min-width: 300px;
    padding: 1rem;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    position: relative;
}

.about-content h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.about-content h3 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--dark-color);
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.05rem;
}

.about-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.about-content ul li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.8rem;
    line-height: 1.6;
}

.about-content ul li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -0.3rem;
}

/* Estilos para página de Análise */
.analyze-header {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 2rem 3rem;
    text-align: center;
}

.analyze-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.analyze-header p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.analyze-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.analyze-container {
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
    margin-top: -3rem;
}

.analyze-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
}

.analyze-tab {
    padding: 1rem 1.5rem;
    margin-right: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.analyze-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.upload-area {
    border: 2px dashed #ddd;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(82, 82, 224, 0.03);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.upload-area h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.file-input {
    display: none;
}

.upload-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.upload-btn:hover {
    background-color: var(--secondary-color);
}

.or-divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--text-light);
}

.or-divider::before, .or-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: #eee;
}

.or-divider span {
    padding: 0 1rem;
}

.url-input-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.url-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.url-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(82, 82, 224, 0.2);
}

.analyze-features {
    background-color: #f5f7ff;
    padding: 4rem 2rem;
    text-align: center;
}

.analyze-features h2 {
    font-size: 2.2rem;
    margin-bottom: 3rem;
}

/* Responsividade para página de análise */
@media (max-width: 768px) {
    .analyze-header {
        padding: 3rem 1.5rem 2rem;
    }
    
    .analyze-header h1 {
        font-size: 2rem;
    }
    
    .analyze-header p {
        font-size: 1.1rem;
    }
    
    .analyze-section {
        padding: 2rem 1rem;
    }
    
    .analyze-container {
        padding: 1.5rem;
        margin-top: -2rem;
    }
    
    .analyze-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        padding-bottom: 0.5rem;
    }
    
    .analyze-tab {
        padding: 0.75rem 1rem;
        margin-right: 0.5rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-area i {
        font-size: 2.5rem;
    }
    
    .upload-area h3 {
        font-size: 1.3rem;
    }
    
    .url-input-container {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .upload-btn, .primary-btn {
        width: 100%;
    }
    
    .analyze-features {
        padding: 3rem 1.5rem;
    }
    
    .analyze-features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .analyze-header h1 {
        font-size: 1.8rem;
    }
    
    .analyze-header p {
        font-size: 1rem;
    }
    
    .analyze-container {
        padding: 1.25rem;
        border-radius: 12px;
    }
    
    .upload-area {
        padding: 1.5rem 1rem;
    }
    
    .upload-area i {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .upload-area h3 {
        font-size: 1.2rem;
    }
    
    .analyze-features h2 {
        font-size: 1.6rem;
    }
}

.language-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
    transition: var(--transition);
}

.language-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.language-menu {
    display: none;
    position: absolute;
    top: 60px;
    right: 150px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    overflow: hidden;
}

.language-menu.active {
    display: block;
}

.language-menu a {
    display: block;
    padding: 12px 16px;
    border-bottom: 1px solid #f0f0f0;
    transition: var(--transition);
}

.language-menu a:last-child {
    border-bottom: none;
}

.language-menu a:hover {
    background-color: #f5f5f7;
}

.language-menu a.active {
    background-color: #f0f0ff;
    color: var(--primary-color);
    font-weight: 500;
}

/* Navegação para index.html e about.html */
.main-menu {
    display: flex;
}

.main-menu li {
    margin: 0 1rem;
}

.main-menu a {
    font-weight: 500;
    transition: var(--transition);
}

.main-menu a:hover {
    color: var(--primary-color);
}

/* Footer */
.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 450px;
    width: 100%;
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    gap: 0.5rem;
}

.google-btn:hover {
    background-color: #f5f5f5;
}

.google-btn i {
    color: #4285F4;
    font-size: 1.25rem;
}

/* Seção Como Funciona */
.how-it-works {
    padding: 5rem 2rem;
    background-color: #f5f7ff;
    text-align: center;
    position: relative;
}

.how-it-works:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(0deg, white, transparent);
    z-index: 1;
}

.how-it-works h2 {
    font-size: 2.3rem;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 2;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: left;
    position: relative;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(82, 82, 224, 0.3);
}

.step h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta, .about-cta {
    background: #5252e0;
    padding: 5rem 2rem;
    text-align: center;
    margin-top: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta h2, .about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.cta p, .about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.cta .primary-btn, .about-cta .primary-btn {
    background-color: white;
    color: #5252e0;
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.cta .primary-btn:hover, .about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Estilos para a página About */
.about-header {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background: linear-gradient(180deg, #f5f7ff, white);
    position: relative;
}

.about-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), #000000);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-header p {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #eee;
    gap: 3rem;
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    object-fit: cover;
}

/* Placeholders para imagens */
.placeholder-image {
    background-color: #f0f0f5;
    height: 300px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 2px dashed rgba(82, 82, 224, 0.3);
    font-size: 1.5rem;
    margin: 1rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.placeholder-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
    border-color: rgba(82, 82, 224, 0.5);
}

.placeholder-member {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: #f0f0f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 5px solid white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    font-size: 1.2rem;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.team-member:hover .placeholder-member {
    box-shadow: 0 12px 30px rgba(82, 82, 224, 0.3);
    border-color: #f8f8ff;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 300px;
    margin: 0 auto;
    line-height: 1.6;
}

/* CTA na página About */
.about-cta {
    background: linear-gradient(45deg, var(--primary-color), #5252e0);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    overflow: hidden;
}

.about-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
    background-size: 150px;
}

.about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn {
    background-color: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .cta-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        width: 100%;
        justify-content: space-between;
    }

    .about-section {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }
    
    .about-section.reverse {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 1.5rem;
    }
    
    .about-content h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-content ul {
        display: inline-block;
        text-align: left;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    header {
        padding: 0.75rem 1rem;
        position: fixed;
        width: 100%;
        top: 0;
        background-color: white;
    }
    
    .logo a {
        font-size: 1.5rem;
    }
    
    main {
        margin-top: 60px;
    }
    
    .hero {
        padding: 2rem 1rem;
        gap: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    .hero-buttons a {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .features {
        padding: 2.5rem 1rem;
    }
    
    .features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .feature-card {
        margin-bottom: 1.5rem;
        padding: 1.5rem;
    }
    
    .how-it-works {
        padding: 2.5rem 1rem;
    }
    
    .how-it-works h2 {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    .step {
        margin-bottom: 2.5rem;
        padding-top: 2rem;
    }
    
    .step-number {
        top: -15px;
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .testimonials {
        padding: 2.5rem 1rem;
    }
    
    .testimonials h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .testimonial-content {
        padding: 1.5rem;
    }
    
    .cta {
        padding: 2.5rem 1rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
    
    .cta p {
        font-size: 1rem;
    }
    
    footer {
        padding: 2.5rem 1rem 1.5rem;
    }
    
    .footer-logo h3 {
        font-size: 1.5rem;
    }
    
    .footer-links-column {
        margin-bottom: 1.5rem;
        min-width: 140px;
    }
    
    .about-header {
        padding: 2.5rem 1rem 2rem;
    }
    
    .about-header h1 {
        font-size: 2rem;
    }
    
    .about-header p {
        font-size: 1rem;
    }
    
    .about-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-image {
        height: 200px;
        margin: 0.5rem 0 1.5rem;
    }
    
    .about-content h2 {
        font-size: 1.8rem;
    }
    
    .about-content h3 {
        font-size: 1.4rem;
    }
    
    .about-content p {
        font-size: 1rem;
    }
    
    .team-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-member {
        width: 150px;
        height: 150px;
    }
    
    .about-cta {
        padding: 2.5rem 1rem;
    }
    
    .about-cta h2 {
        font-size: 1.8rem;
    }
    
    .main-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        z-index: 100;
        flex-direction: column;
    }
    
    .main-menu.active {
        display: flex;
    }
    
    .main-menu li {
        margin: 0;
    }
    
    .main-menu li a {
        display: block;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .main-menu li:last-child a {
        border-bottom: none;
    }
    
    .auth-buttons {
        display: none;
    }
    
    .auth-buttons.active {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        padding: 1rem 1.5rem;
        background-color: #f5f5f7;
    }
    
    .auth-buttons.active button {
        width: 100%;
        text-align: center;
        padding: 0.8rem;
    }
    
    .mobile-menu-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .features h2, 
    .how-it-works h2, 
    .testimonials h2, 
    .cta h2, 
    .about-header h1 {
        font-size: 1.6rem;
    }
    
    .about-content h2 {
        font-size: 1.6rem;
    }
    
    .about-content h3 {
        font-size: 1.3rem;
    }
    
    .feature-card, 
    .step, 
    .testimonial-content {
        padding: 1.25rem;
    }
    
    .placeholder-image {
        height: 180px;
    }
    
    .placeholder-member {
        width: 130px;
        height: 130px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
}

.about-content {
    flex: 1;
    min-width: 300px;
    padding: 1rem;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    position: relative;
}

.about-content h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.about-content h3 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--dark-color);
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.05rem;
}

.about-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.about-content ul li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.8rem;
    line-height: 1.6;
}

.about-content ul li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -0.3rem;
}

/* Estilos para página de Análise */
.analyze-header {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 2rem 3rem;
    text-align: center;
}

.analyze-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.analyze-header p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.analyze-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.analyze-container {
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
    margin-top: -3rem;
}

.analyze-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
}

.analyze-tab {
    padding: 1rem 1.5rem;
    margin-right: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.analyze-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.upload-area {
    border: 2px dashed #ddd;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(82, 82, 224, 0.03);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.upload-area h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.file-input {
    display: none;
}

.upload-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.upload-btn:hover {
    background-color: var(--secondary-color);
}

.or-divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--text-light);
}

.or-divider::before, .or-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: #eee;
}

.or-divider span {
    padding: 0 1rem;
}

.url-input-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.url-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.url-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(82, 82, 224, 0.2);
}

.analyze-features {
    background-color: #f5f7ff;
    padding: 4rem 2rem;
    text-align: center;
}

.analyze-features h2 {
    font-size: 2.2rem;
    margin-bottom: 3rem;
}

/* Responsividade para página de análise */
@media (max-width: 768px) {
    .analyze-header {
        padding: 3rem 1.5rem 2rem;
    }
    
    .analyze-header h1 {
        font-size: 2rem;
    }
    
    .analyze-header p {
        font-size: 1.1rem;
    }
    
    .analyze-section {
        padding: 2rem 1rem;
    }
    
    .analyze-container {
        padding: 1.5rem;
        margin-top: -2rem;
    }
    
    .analyze-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        padding-bottom: 0.5rem;
    }
    
    .analyze-tab {
        padding: 0.75rem 1rem;
        margin-right: 0.5rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-area i {
        font-size: 2.5rem;
    }
    
    .upload-area h3 {
        font-size: 1.3rem;
    }
    
    .url-input-container {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .upload-btn, .primary-btn {
        width: 100%;
    }
    
    .analyze-features {
        padding: 3rem 1.5rem;
    }
    
    .analyze-features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .analyze-header h1 {
        font-size: 1.8rem;
    }
    
    .analyze-header p {
        font-size: 1rem;
    }
    
    .analyze-container {
        padding: 1.25rem;
        border-radius: 12px;
    }
    
    .upload-area {
        padding: 1.5rem 1rem;
    }
    
    .upload-area i {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .upload-area h3 {
        font-size: 1.2rem;
    }
    
    .analyze-features h2 {
        font-size: 1.6rem;
    }
}

.language-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
    transition: var(--transition);
}

.language-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.language-menu {
    display: none;
    position: absolute;
    top: 60px;
    right: 150px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    overflow: hidden;
}

.language-menu.active {
    display: block;
}

.language-menu a {
    display: block;
    padding: 12px 16px;
    border-bottom: 1px solid #f0f0f0;
    transition: var(--transition);
}

.language-menu a:last-child {
    border-bottom: none;
}

.language-menu a:hover {
    background-color: #f5f5f7;
}

.language-menu a.active {
    background-color: #f0f0ff;
    color: var(--primary-color);
    font-weight: 500;
}

/* Navegação para index.html e about.html */
.main-menu {
    display: flex;
}

.main-menu li {
    margin: 0 1rem;
}

.main-menu a {
    font-weight: 500;
    transition: var(--transition);
}

.main-menu a:hover {
    color: var(--primary-color);
}

/* Footer */
.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 450px;
    width: 100%;
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    gap: 0.5rem;
}

.google-btn:hover {
    background-color: #f5f5f5;
}

.google-btn i {
    color: #4285F4;
    font-size: 1.25rem;
}

/* Seção Como Funciona */
.how-it-works {
    padding: 5rem 2rem;
    background-color: #f5f7ff;
    text-align: center;
    position: relative;
}

.how-it-works:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(0deg, white, transparent);
    z-index: 1;
}

.how-it-works h2 {
    font-size: 2.3rem;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 2;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: left;
    position: relative;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(82, 82, 224, 0.3);
}

.step h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta, .about-cta {
    background: #5252e0;
    padding: 5rem 2rem;
    text-align: center;
    margin-top: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta h2, .about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.cta p, .about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.cta .primary-btn, .about-cta .primary-btn {
    background-color: white;
    color: #5252e0;
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.cta .primary-btn:hover, .about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Estilos para a página About */
.about-header {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background: linear-gradient(180deg, #f5f7ff, white);
    position: relative;
}

.about-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), #000000);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-header p {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #eee;
    gap: 3rem;
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    object-fit: cover;
}

/* Placeholders para imagens */
.placeholder-image {
    background-color: #f0f0f5;
    height: 300px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 2px dashed rgba(82, 82, 224, 0.3);
    font-size: 1.5rem;
    margin: 1rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.placeholder-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
    border-color: rgba(82, 82, 224, 0.5);
}

.placeholder-member {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: #f0f0f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 5px solid white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    font-size: 1.2rem;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.team-member:hover .placeholder-member {
    box-shadow: 0 12px 30px rgba(82, 82, 224, 0.3);
    border-color: #f8f8ff;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 300px;
    margin: 0 auto;
    line-height: 1.6;
}

/* CTA na página About */
.about-cta {
    background: linear-gradient(45deg, var(--primary-color), #5252e0);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    overflow: hidden;
}

.about-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
    background-size: 150px;
}

.about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn {
    background-color: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .cta-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        width: 100%;
        justify-content: space-between;
    }

    .about-section {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }
    
    .about-section.reverse {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 1.5rem;
    }
    
    .about-content h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-content ul {
        display: inline-block;
        text-align: left;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    header {
        padding: 0.75rem 1rem;
        position: fixed;
        width: 100%;
        top: 0;
        background-color: white;
    }
    
    .logo a {
        font-size: 1.5rem;
    }
    
    main {
        margin-top: 60px;
    }
    
    .hero {
        padding: 2rem 1rem;
        gap: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    .hero-buttons a {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .features {
        padding: 2.5rem 1rem;
    }
    
    .features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .feature-card {
        margin-bottom: 1.5rem;
        padding: 1.5rem;
    }
    
    .how-it-works {
        padding: 2.5rem 1rem;
    }
    
    .how-it-works h2 {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    .step {
        margin-bottom: 2.5rem;
        padding-top: 2rem;
    }
    
    .step-number {
        top: -15px;
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .testimonials {
        padding: 2.5rem 1rem;
    }
    
    .testimonials h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .testimonial-content {
        padding: 1.5rem;
    }
    
    .cta {
        padding: 2.5rem 1rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
    
    .cta p {
        font-size: 1rem;
    }
    
    footer {
        padding: 2.5rem 1rem 1.5rem;
    }
    
    .footer-logo h3 {
        font-size: 1.5rem;
    }
    
    .footer-links-column {
        margin-bottom: 1.5rem;
        min-width: 140px;
    }
    
    .about-header {
        padding: 2.5rem 1rem 2rem;
    }
    
    .about-header h1 {
        font-size: 2rem;
    }
    
    .about-header p {
        font-size: 1rem;
    }
    
    .about-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-image {
        height: 200px;
        margin: 0.5rem 0 1.5rem;
    }
    
    .about-content h2 {
        font-size: 1.8rem;
    }
    
    .about-content h3 {
        font-size: 1.4rem;
    }
    
    .about-content p {
        font-size: 1rem;
    }
    
    .team-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-member {
        width: 150px;
        height: 150px;
    }
    
    .about-cta {
        padding: 2.5rem 1rem;
    }
    
    .about-cta h2 {
        font-size: 1.8rem;
    }
    
    .main-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        z-index: 100;
        flex-direction: column;
    }
    
    .main-menu.active {
        display: flex;
    }
    
    .main-menu li {
        margin: 0;
    }
    
    .main-menu li a {
        display: block;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .main-menu li:last-child a {
        border-bottom: none;
    }
    
    .auth-buttons {
        display: none;
    }
    
    .auth-buttons.active {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        padding: 1rem 1.5rem;
        background-color: #f5f5f7;
    }
    
    .auth-buttons.active button {
        width: 100%;
        text-align: center;
        padding: 0.8rem;
    }
    
    .mobile-menu-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .features h2, 
    .how-it-works h2, 
    .testimonials h2, 
    .cta h2, 
    .about-header h1 {
        font-size: 1.6rem;
    }
    
    .about-content h2 {
        font-size: 1.6rem;
    }
    
    .about-content h3 {
        font-size: 1.3rem;
    }
    
    .feature-card, 
    .step, 
    .testimonial-content {
        padding: 1.25rem;
    }
    
    .placeholder-image {
        height: 180px;
    }
    
    .placeholder-member {
        width: 130px;
        height: 130px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
}

.about-content {
    flex: 1;
    min-width: 300px;
    padding: 1rem;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    position: relative;
}

.about-content h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.about-content h3 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--dark-color);
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.05rem;
}

.about-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.about-content ul li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.8rem;
    line-height: 1.6;
}

.about-content ul li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -0.3rem;
}

/* Estilos para página de Análise */
.analyze-header {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 2rem 3rem;
    text-align: center;
}

.analyze-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.analyze-header p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.analyze-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.analyze-container {
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
    margin-top: -3rem;
}

.analyze-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
}

.analyze-tab {
    padding: 1rem 1.5rem;
    margin-right: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.analyze-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.upload-area {
    border: 2px dashed #ddd;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(82, 82, 224, 0.03);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.upload-area h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.file-input {
    display: none;
}

.upload-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.upload-btn:hover {
    background-color: var(--secondary-color);
}

.or-divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--text-light);
}

.or-divider::before, .or-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: #eee;
}

.or-divider span {
    padding: 0 1rem;
}

.url-input-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.url-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.url-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(82, 82, 224, 0.2);
}

.analyze-features {
    background-color: #f5f7ff;
    padding: 4rem 2rem;
    text-align: center;
}

.analyze-features h2 {
    font-size: 2.2rem;
    margin-bottom: 3rem;
}

/* Responsividade para página de análise */
@media (max-width: 768px) {
    .analyze-header {
        padding: 3rem 1.5rem 2rem;
    }
    
    .analyze-header h1 {
        font-size: 2rem;
    }
    
    .analyze-header p {
        font-size: 1.1rem;
    }
    
    .analyze-section {
        padding: 2rem 1rem;
    }
    
    .analyze-container {
        padding: 1.5rem;
        margin-top: -2rem;
    }
    
    .analyze-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        padding-bottom: 0.5rem;
    }
    
    .analyze-tab {
        padding: 0.75rem 1rem;
        margin-right: 0.5rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-area i {
        font-size: 2.5rem;
    }
    
    .upload-area h3 {
        font-size: 1.3rem;
    }
    
    .url-input-container {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .upload-btn, .primary-btn {
        width: 100%;
    }
    
    .analyze-features {
        padding: 3rem 1.5rem;
    }
    
    .analyze-features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .analyze-header h1 {
        font-size: 1.8rem;
    }
    
    .analyze-header p {
        font-size: 1rem;
    }
    
    .analyze-container {
        padding: 1.25rem;
        border-radius: 12px;
    }
    
    .upload-area {
        padding: 1.5rem 1rem;
    }
    
    .upload-area i {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .upload-area h3 {
        font-size: 1.2rem;
    }
    
    .analyze-features h2 {
        font-size: 1.6rem;
    }
}

.language-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
    transition: var(--transition);
}

.language-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.language-menu {
    display: none;
    position: absolute;
    top: 60px;
    right: 150px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    overflow: hidden;
}

.language-menu.active {
    display: block;
}

.language-menu a {
    display: block;
    padding: 12px 16px;
    border-bottom: 1px solid #f0f0f0;
    transition: var(--transition);
}

.language-menu a:last-child {
    border-bottom: none;
}

.language-menu a:hover {
    background-color: #f5f5f7;
}

.language-menu a.active {
    background-color: #f0f0ff;
    color: var(--primary-color);
    font-weight: 500;
}

/* Navegação para index.html e about.html */
.main-menu {
    display: flex;
}

.main-menu li {
    margin: 0 1rem;
}

.main-menu a {
    font-weight: 500;
    transition: var(--transition);
}

.main-menu a:hover {
    color: var(--primary-color);
}

/* Footer */
.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 450px;
    width: 100%;
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    gap: 0.5rem;
}

.google-btn:hover {
    background-color: #f5f5f5;
}

.google-btn i {
    color: #4285F4;
    font-size: 1.25rem;
}

/* Seção Como Funciona */
.how-it-works {
    padding: 5rem 2rem;
    background-color: #f5f7ff;
    text-align: center;
    position: relative;
}

.how-it-works:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(0deg, white, transparent);
    z-index: 1;
}

.how-it-works h2 {
    font-size: 2.3rem;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 2;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: left;
    position: relative;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(82, 82, 224, 0.3);
}

.step h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta, .about-cta {
    background: #5252e0;
    padding: 5rem 2rem;
    text-align: center;
    margin-top: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta h2, .about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.cta p, .about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.cta .primary-btn, .about-cta .primary-btn {
    background-color: white;
    color: #5252e0;
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.cta .primary-btn:hover, .about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Estilos para a página About */
.about-header {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background: linear-gradient(180deg, #f5f7ff, white);
    position: relative;
}

.about-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), #000000);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-header p {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #eee;
    gap: 3rem;
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    object-fit: cover;
}

/* Placeholders para imagens */
.placeholder-image {
    background-color: #f0f0f5;
    height: 300px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 2px dashed rgba(82, 82, 224, 0.3);
    font-size: 1.5rem;
    margin: 1rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.placeholder-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
    border-color: rgba(82, 82, 224, 0.5);
}

.placeholder-member {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: #f0f0f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 5px solid white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    font-size: 1.2rem;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.team-member:hover .placeholder-member {
    box-shadow: 0 12px 30px rgba(82, 82, 224, 0.3);
    border-color: #f8f8ff;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 300px;
    margin: 0 auto;
    line-height: 1.6;
}

/* CTA na página About */
.about-cta {
    background: linear-gradient(45deg, var(--primary-color), #5252e0);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    overflow: hidden;
}

.about-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
    background-size: 150px;
}

.about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn {
    background-color: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .cta-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        width: 100%;
        justify-content: space-between;
    }

    .about-section {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }
    
    .about-section.reverse {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 1.5rem;
    }
    
    .about-content h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-content ul {
        display: inline-block;
        text-align: left;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    header {
        padding: 0.75rem 1rem;
        position: fixed;
        width: 100%;
        top: 0;
        background-color: white;
    }
    
    .logo a {
        font-size: 1.5rem;
    }
    
    main {
        margin-top: 60px;
    }
    
    .hero {
        padding: 2rem 1rem;
        gap: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    .hero-buttons a {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .features {
        padding: 2.5rem 1rem;
    }
    
    .features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .feature-card {
        margin-bottom: 1.5rem;
        padding: 1.5rem;
    }
    
    .how-it-works {
        padding: 2.5rem 1rem;
    }
    
    .how-it-works h2 {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    .step {
        margin-bottom: 2.5rem;
        padding-top: 2rem;
    }
    
    .step-number {
        top: -15px;
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .testimonials {
        padding: 2.5rem 1rem;
    }
    
    .testimonials h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .testimonial-content {
        padding: 1.5rem;
    }
    
    .cta {
        padding: 2.5rem 1rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
    
    .cta p {
        font-size: 1rem;
    }
    
    footer {
        padding: 2.5rem 1rem 1.5rem;
    }
    
    .footer-logo h3 {
        font-size: 1.5rem;
    }
    
    .footer-links-column {
        margin-bottom: 1.5rem;
        min-width: 140px;
    }
    
    .about-header {
        padding: 2.5rem 1rem 2rem;
    }
    
    .about-header h1 {
        font-size: 2rem;
    }
    
    .about-header p {
        font-size: 1rem;
    }
    
    .about-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-image {
        height: 200px;
        margin: 0.5rem 0 1.5rem;
    }
    
    .about-content h2 {
        font-size: 1.8rem;
    }
    
    .about-content h3 {
        font-size: 1.4rem;
    }
    
    .about-content p {
        font-size: 1rem;
    }
    
    .team-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-member {
        width: 150px;
        height: 150px;
    }
    
    .about-cta {
        padding: 2.5rem 1rem;
    }
    
    .about-cta h2 {
        font-size: 1.8rem;
    }
    
    .main-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        z-index: 100;
        flex-direction: column;
    }
    
    .main-menu.active {
        display: flex;
    }
    
    .main-menu li {
        margin: 0;
    }
    
    .main-menu li a {
        display: block;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .main-menu li:last-child a {
        border-bottom: none;
    }
    
    .auth-buttons {
        display: none;
    }
    
    .auth-buttons.active {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        padding: 1rem 1.5rem;
        background-color: #f5f5f7;
    }
    
    .auth-buttons.active button {
        width: 100%;
        text-align: center;
        padding: 0.8rem;
    }
    
    .mobile-menu-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .features h2, 
    .how-it-works h2, 
    .testimonials h2, 
    .cta h2, 
    .about-header h1 {
        font-size: 1.6rem;
    }
    
    .about-content h2 {
        font-size: 1.6rem;
    }
    
    .about-content h3 {
        font-size: 1.3rem;
    }
    
    .feature-card, 
    .step, 
    .testimonial-content {
        padding: 1.25rem;
    }
    
    .placeholder-image {
        height: 180px;
    }
    
    .placeholder-member {
        width: 130px;
        height: 130px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
}

.about-content {
    flex: 1;
    min-width: 300px;
    padding: 1rem;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    position: relative;
}

.about-content h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.about-content h3 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--dark-color);
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.05rem;
}

.about-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.about-content ul li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.8rem;
    line-height: 1.6;
}

.about-content ul li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -0.3rem;
}

/* Estilos para página de Análise */
.analyze-header {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 2rem 3rem;
    text-align: center;
}

.analyze-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.analyze-header p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.analyze-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.analyze-container {
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
    margin-top: -3rem;
}

.analyze-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
}

.analyze-tab {
    padding: 1rem 1.5rem;
    margin-right: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.analyze-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.upload-area {
    border: 2px dashed #ddd;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(82, 82, 224, 0.03);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.upload-area h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.file-input {
    display: none;
}

.upload-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.upload-btn:hover {
    background-color: var(--secondary-color);
}

.or-divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--text-light);
}

.or-divider::before, .or-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: #eee;
}

.or-divider span {
    padding: 0 1rem;
}

.url-input-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.url-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.url-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(82, 82, 224, 0.2);
}

.analyze-features {
    background-color: #f5f7ff;
    padding: 4rem 2rem;
    text-align: center;
}

.analyze-features h2 {
    font-size: 2.2rem;
    margin-bottom: 3rem;
}

/* Responsividade para página de análise */
@media (max-width: 768px) {
    .analyze-header {
        padding: 3rem 1.5rem 2rem;
    }
    
    .analyze-header h1 {
        font-size: 2rem;
    }
    
    .analyze-header p {
        font-size: 1.1rem;
    }
    
    .analyze-section {
        padding: 2rem 1rem;
    }
    
    .analyze-container {
        padding: 1.5rem;
        margin-top: -2rem;
    }
    
    .analyze-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        padding-bottom: 0.5rem;
    }
    
    .analyze-tab {
        padding: 0.75rem 1rem;
        margin-right: 0.5rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-area i {
        font-size: 2.5rem;
    }
    
    .upload-area h3 {
        font-size: 1.3rem;
    }
    
    .url-input-container {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .upload-btn, .primary-btn {
        width: 100%;
    }
    
    .analyze-features {
        padding: 3rem 1.5rem;
    }
    
    .analyze-features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .analyze-header h1 {
        font-size: 1.8rem;
    }
    
    .analyze-header p {
        font-size: 1rem;
    }
    
    .analyze-container {
        padding: 1.25rem;
        border-radius: 12px;
    }
    
    .upload-area {
        padding: 1.5rem 1rem;
    }
    
    .upload-area i {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .upload-area h3 {
        font-size: 1.2rem;
    }
    
    .analyze-features h2 {
        font-size: 1.6rem;
    }
}

.language-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
    transition: var(--transition);
}

.language-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.language-menu {
    display: none;
    position: absolute;
    top: 60px;
    right: 150px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    overflow: hidden;
}

.language-menu.active {
    display: block;
}

.language-menu a {
    display: block;
    padding: 12px 16px;
    border-bottom: 1px solid #f0f0f0;
    transition: var(--transition);
}

.language-menu a:last-child {
    border-bottom: none;
}

.language-menu a:hover {
    background-color: #f5f5f7;
}

.language-menu a.active {
    background-color: #f0f0ff;
    color: var(--primary-color);
    font-weight: 500;
}

/* Navegação para index.html e about.html */
.main-menu {
    display: flex;
}

.main-menu li {
    margin: 0 1rem;
}

.main-menu a {
    font-weight: 500;
    transition: var(--transition);
}

.main-menu a:hover {
    color: var(--primary-color);
}

/* Footer */
.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 450px;
    width: 100%;
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    gap: 0.5rem;
}

.google-btn:hover {
    background-color: #f5f5f5;
}

.google-btn i {
    color: #4285F4;
    font-size: 1.25rem;
}

/* Seção Como Funciona */
.how-it-works {
    padding: 5rem 2rem;
    background-color: #f5f7ff;
    text-align: center;
    position: relative;
}

.how-it-works:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(0deg, white, transparent);
    z-index: 1;
}

.how-it-works h2 {
    font-size: 2.3rem;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 2;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: left;
    position: relative;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(82, 82, 224, 0.3);
}

.step h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta, .about-cta {
    background: #5252e0;
    padding: 5rem 2rem;
    text-align: center;
    margin-top: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta h2, .about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.cta p, .about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.cta .primary-btn, .about-cta .primary-btn {
    background-color: white;
    color: #5252e0;
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.cta .primary-btn:hover, .about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Estilos para a página About */
.about-header {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background: linear-gradient(180deg, #f5f7ff, white);
    position: relative;
}

.about-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), #000000);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-header p {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #eee;
    gap: 3rem;
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    object-fit: cover;
}

/* Placeholders para imagens */
.placeholder-image {
    background-color: #f0f0f5;
    height: 300px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 2px dashed rgba(82, 82, 224, 0.3);
    font-size: 1.5rem;
    margin: 1rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.placeholder-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
    border-color: rgba(82, 82, 224, 0.5);
}

.placeholder-member {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: #f0f0f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 5px solid white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    font-size: 1.2rem;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.team-member:hover .placeholder-member {
    box-shadow: 0 12px 30px rgba(82, 82, 224, 0.3);
    border-color: #f8f8ff;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 300px;
    margin: 0 auto;
    line-height: 1.6;
}

/* CTA na página About */
.about-cta {
    background: linear-gradient(45deg, var(--primary-color), #5252e0);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    overflow: hidden;
}

.about-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
    background-size: 150px;
}

.about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn {
    background-color: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .cta-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        width: 100%;
        justify-content: space-between;
    }

    .about-section {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }
    
    .about-section.reverse {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 1.5rem;
    }
    
    .about-content h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-content ul {
        display: inline-block;
        text-align: left;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    header {
        padding: 0.75rem 1rem;
        position: fixed;
        width: 100%;
        top: 0;
        background-color: white;
    }
    
    .logo a {
        font-size: 1.5rem;
    }
    
    main {
        margin-top: 60px;
    }
    
    .hero {
        padding: 2rem 1rem;
        gap: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    .hero-buttons a {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .features {
        padding: 2.5rem 1rem;
    }
    
    .features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .feature-card {
        margin-bottom: 1.5rem;
        padding: 1.5rem;
    }
    
    .how-it-works {
        padding: 2.5rem 1rem;
    }
    
    .how-it-works h2 {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    .step {
        margin-bottom: 2.5rem;
        padding-top: 2rem;
    }
    
    .step-number {
        top: -15px;
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .testimonials {
        padding: 2.5rem 1rem;
    }
    
    .testimonials h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .testimonial-content {
        padding: 1.5rem;
    }
    
    .cta {
        padding: 2.5rem 1rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
    
    .cta p {
        font-size: 1rem;
    }
    
    footer {
        padding: 2.5rem 1rem 1.5rem;
    }
    
    .footer-logo h3 {
        font-size: 1.5rem;
    }
    
    .footer-links-column {
        margin-bottom: 1.5rem;
        min-width: 140px;
    }
    
    .about-header {
        padding: 2.5rem 1rem 2rem;
    }
    
    .about-header h1 {
        font-size: 2rem;
    }
    
    .about-header p {
        font-size: 1rem;
    }
    
    .about-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-image {
        height: 200px;
        margin: 0.5rem 0 1.5rem;
    }
    
    .about-content h2 {
        font-size: 1.8rem;
    }
    
    .about-content h3 {
        font-size: 1.4rem;
    }
    
    .about-content p {
        font-size: 1rem;
    }
    
    .team-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-member {
        width: 150px;
        height: 150px;
    }
    
    .about-cta {
        padding: 2.5rem 1rem;
    }
    
    .about-cta h2 {
        font-size: 1.8rem;
    }
    
    .main-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        z-index: 100;
        flex-direction: column;
    }
    
    .main-menu.active {
        display: flex;
    }
    
    .main-menu li {
        margin: 0;
    }
    
    .main-menu li a {
        display: block;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .main-menu li:last-child a {
        border-bottom: none;
    }
    
    .auth-buttons {
        display: none;
    }
    
    .auth-buttons.active {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        padding: 1rem 1.5rem;
        background-color: #f5f5f7;
    }
    
    .auth-buttons.active button {
        width: 100%;
        text-align: center;
        padding: 0.8rem;
    }
    
    .mobile-menu-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .features h2, 
    .how-it-works h2, 
    .testimonials h2, 
    .cta h2, 
    .about-header h1 {
        font-size: 1.6rem;
    }
    
    .about-content h2 {
        font-size: 1.6rem;
    }
    
    .about-content h3 {
        font-size: 1.3rem;
    }
    
    .feature-card, 
    .step, 
    .testimonial-content {
        padding: 1.25rem;
    }
    
    .placeholder-image {
        height: 180px;
    }
    
    .placeholder-member {
        width: 130px;
        height: 130px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
}

.about-content {
    flex: 1;
    min-width: 300px;
    padding: 1rem;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    position: relative;
}

.about-content h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.about-content h3 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--dark-color);
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.05rem;
}

.about-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.about-content ul li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.8rem;
    line-height: 1.6;
}

.about-content ul li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -0.3rem;
}

/* Estilos para página de Análise */
.analyze-header {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 2rem 3rem;
    text-align: center;
}

.analyze-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.analyze-header p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.analyze-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.analyze-container {
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
    margin-top: -3rem;
}

.analyze-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
}

.analyze-tab {
    padding: 1rem 1.5rem;
    margin-right: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.analyze-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.upload-area {
    border: 2px dashed #ddd;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(82, 82, 224, 0.03);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.upload-area h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.file-input {
    display: none;
}

.upload-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.upload-btn:hover {
    background-color: var(--secondary-color);
}

.or-divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--text-light);
}

.or-divider::before, .or-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: #eee;
}

.or-divider span {
    padding: 0 1rem;
}

.url-input-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.url-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.url-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(82, 82, 224, 0.2);
}

.analyze-features {
    background-color: #f5f7ff;
    padding: 4rem 2rem;
    text-align: center;
}

.analyze-features h2 {
    font-size: 2.2rem;
    margin-bottom: 3rem;
}

/* Responsividade para página de análise */
@media (max-width: 768px) {
    .analyze-header {
        padding: 3rem 1.5rem 2rem;
    }
    
    .analyze-header h1 {
        font-size: 2rem;
    }
    
    .analyze-header p {
        font-size: 1.1rem;
    }
    
    .analyze-section {
        padding: 2rem 1rem;
    }
    
    .analyze-container {
        padding: 1.5rem;
        margin-top: -2rem;
    }
    
    .analyze-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        padding-bottom: 0.5rem;
    }
    
    .analyze-tab {
        padding: 0.75rem 1rem;
        margin-right: 0.5rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-area i {
        font-size: 2.5rem;
    }
    
    .upload-area h3 {
        font-size: 1.3rem;
    }
    
    .url-input-container {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .upload-btn, .primary-btn {
        width: 100%;
    }
    
    .analyze-features {
        padding: 3rem 1.5rem;
    }
    
    .analyze-features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .analyze-header h1 {
        font-size: 1.8rem;
    }
    
    .analyze-header p {
        font-size: 1rem;
    }
    
    .analyze-container {
        padding: 1.25rem;
        border-radius: 12px;
    }
    
    .upload-area {
        padding: 1.5rem 1rem;
    }
    
    .upload-area i {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .upload-area h3 {
        font-size: 1.2rem;
    }
    
    .analyze-features h2 {
        font-size: 1.6rem;
    }
}

.language-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
    transition: var(--transition);
}

.language-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.language-menu {
    display: none;
    position: absolute;
    top: 60px;
    right: 150px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    overflow: hidden;
}

.language-menu.active {
    display: block;
}

.language-menu a {
    display: block;
    padding: 12px 16px;
    border-bottom: 1px solid #f0f0f0;
    transition: var(--transition);
}

.language-menu a:last-child {
    border-bottom: none;
}

.language-menu a:hover {
    background-color: #f5f5f7;
}

.language-menu a.active {
    background-color: #f0f0ff;
    color: var(--primary-color);
    font-weight: 500;
}

/* Navegação para index.html e about.html */
.main-menu {
    display: flex;
}

.main-menu li {
    margin: 0 1rem;
}

.main-menu a {
    font-weight: 500;
    transition: var(--transition);
}

.main-menu a:hover {
    color: var(--primary-color);
}

/* Footer */
.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 450px;
    width: 100%;
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    gap: 0.5rem;
}

.google-btn:hover {
    background-color: #f5f5f5;
}

.google-btn i {
    color: #4285F4;
    font-size: 1.25rem;
}

/* Seção Como Funciona */
.how-it-works {
    padding: 5rem 2rem;
    background-color: #f5f7ff;
    text-align: center;
    position: relative;
}

.how-it-works:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(0deg, white, transparent);
    z-index: 1;
}

.how-it-works h2 {
    font-size: 2.3rem;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 2;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: left;
    position: relative;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(82, 82, 224, 0.3);
}

.step h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta, .about-cta {
    background: #5252e0;
    padding: 5rem 2rem;
    text-align: center;
    margin-top: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta h2, .about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.cta p, .about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.cta .primary-btn, .about-cta .primary-btn {
    background-color: white;
    color: #5252e0;
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.cta .primary-btn:hover, .about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Estilos para a página About */
.about-header {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background: linear-gradient(180deg, #f5f7ff, white);
    position: relative;
}

.about-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), #000000);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-header p {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #eee;
    gap: 3rem;
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    object-fit: cover;
}

/* Placeholders para imagens */
.placeholder-image {
    background-color: #f0f0f5;
    height: 300px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 2px dashed rgba(82, 82, 224, 0.3);
    font-size: 1.5rem;
    margin: 1rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.placeholder-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
    border-color: rgba(82, 82, 224, 0.5);
}

.placeholder-member {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: #f0f0f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 5px solid white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    font-size: 1.2rem;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.team-member:hover .placeholder-member {
    box-shadow: 0 12px 30px rgba(82, 82, 224, 0.3);
    border-color: #f8f8ff;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 300px;
    margin: 0 auto;
    line-height: 1.6;
}

/* CTA na página About */
.about-cta {
    background: linear-gradient(45deg, var(--primary-color), #5252e0);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    overflow: hidden;
}

.about-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
    background-size: 150px;
}

.about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn {
    background-color: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .cta-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        width: 100%;
        justify-content: space-between;
    }

    .about-section {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }
    
    .about-section.reverse {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 1.5rem;
    }
    
    .about-content h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-content ul {
        display: inline-block;
        text-align: left;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    header {
        padding: 0.75rem 1rem;
        position: fixed;
        width: 100%;
        top: 0;
        background-color: white;
    }
    
    .logo a {
        font-size: 1.5rem;
    }
    
    main {
        margin-top: 60px;
    }
    
    .hero {
        padding: 2rem 1rem;
        gap: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    .hero-buttons a {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .features {
        padding: 2.5rem 1rem;
    }
    
    .features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .feature-card {
        margin-bottom: 1.5rem;
        padding: 1.5rem;
    }
    
    .how-it-works {
        padding: 2.5rem 1rem;
    }
    
    .how-it-works h2 {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    .step {
        margin-bottom: 2.5rem;
        padding-top: 2rem;
    }
    
    .step-number {
        top: -15px;
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .testimonials {
        padding: 2.5rem 1rem;
    }
    
    .testimonials h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .testimonial-content {
        padding: 1.5rem;
    }
    
    .cta {
        padding: 2.5rem 1rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
    
    .cta p {
        font-size: 1rem;
    }
    
    footer {
        padding: 2.5rem 1rem 1.5rem;
    }
    
    .footer-logo h3 {
        font-size: 1.5rem;
    }
    
    .footer-links-column {
        margin-bottom: 1.5rem;
        min-width: 140px;
    }
    
    .about-header {
        padding: 2.5rem 1rem 2rem;
    }
    
    .about-header h1 {
        font-size: 2rem;
    }
    
    .about-header p {
        font-size: 1rem;
    }
    
    .about-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-image {
        height: 200px;
        margin: 0.5rem 0 1.5rem;
    }
    
    .about-content h2 {
        font-size: 1.8rem;
    }
    
    .about-content h3 {
        font-size: 1.4rem;
    }
    
    .about-content p {
        font-size: 1rem;
    }
    
    .team-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-member {
        width: 150px;
        height: 150px;
    }
    
    .about-cta {
        padding: 2.5rem 1rem;
    }
    
    .about-cta h2 {
        font-size: 1.8rem;
    }
    
    .main-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        z-index: 100;
        flex-direction: column;
    }
    
    .main-menu.active {
        display: flex;
    }
    
    .main-menu li {
        margin: 0;
    }
    
    .main-menu li a {
        display: block;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .main-menu li:last-child a {
        border-bottom: none;
    }
    
    .auth-buttons {
        display: none;
    }
    
    .auth-buttons.active {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        padding: 1rem 1.5rem;
        background-color: #f5f5f7;
    }
    
    .auth-buttons.active button {
        width: 100%;
        text-align: center;
        padding: 0.8rem;
    }
    
    .mobile-menu-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .features h2, 
    .how-it-works h2, 
    .testimonials h2, 
    .cta h2, 
    .about-header h1 {
        font-size: 1.6rem;
    }
    
    .about-content h2 {
        font-size: 1.6rem;
    }
    
    .about-content h3 {
        font-size: 1.3rem;
    }
    
    .feature-card, 
    .step, 
    .testimonial-content {
        padding: 1.25rem;
    }
    
    .placeholder-image {
        height: 180px;
    }
    
    .placeholder-member {
        width: 130px;
        height: 130px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
}

.about-content {
    flex: 1;
    min-width: 300px;
    padding: 1rem;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    position: relative;
}

.about-content h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.about-content h3 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--dark-color);
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.05rem;
}

.about-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.about-content ul li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.8rem;
    line-height: 1.6;
}

.about-content ul li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -0.3rem;
}

/* Estilos para página de Análise */
.analyze-header {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 2rem 3rem;
    text-align: center;
}

.analyze-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.analyze-header p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.analyze-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.analyze-container {
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
    margin-top: -3rem;
}

.analyze-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
}

.analyze-tab {
    padding: 1rem 1.5rem;
    margin-right: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.analyze-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.upload-area {
    border: 2px dashed #ddd;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(82, 82, 224, 0.03);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.upload-area h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.file-input {
    display: none;
}

.upload-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.upload-btn:hover {
    background-color: var(--secondary-color);
}

.or-divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--text-light);
}

.or-divider::before, .or-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: #eee;
}

.or-divider span {
    padding: 0 1rem;
}

.url-input-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.url-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.url-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(82, 82, 224, 0.2);
}

/* Reset e estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #5252e0;
    --secondary-color: #7c7ce4;
    --dark-color: #14141f;
    --light-color: #f5f5f7;
    --text-color: #333;
    --text-light: #777;
    --border-radius: 8px;
    --box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    --card-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
    --gradient-primary: linear-gradient(90deg, var(--primary-color), #7373f0);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fafafa;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
    font-size: 1rem;
}

/* Cabeçalho */
header {
    position: sticky;
    top: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    z-index: 100;
}

.logo a {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    transition: var(--transition);
}

.logo a:hover {
    opacity: 0.9;
}

.main-menu {
    display: flex;
}

.main-menu li {
    margin: 0 1rem;
}

.main-menu a {
    font-weight: 500;
    transition: var(--transition);
}

.main-menu a:hover {
    color: var(--primary-color);
}

.highlight-btn {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
}

.auth-buttons {
    display: flex;
    gap: 1rem;
}

.auth-buttons button, .primary-btn, .secondary-btn {
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    padding: 0.6rem 1.5rem;
}

#login-btn {
    background-color: transparent;
    color: var(--text-color);
}

.primary-btn {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 12px rgba(82, 82, 224, 0.25);
}

.primary-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(82, 82, 224, 0.35);
}

.secondary-btn {
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
}

.secondary-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Seção Hero */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    gap: 2rem;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.2rem;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
}

.hero-image {
    flex: 1;
    position: relative;
    max-width: 500px;
}

.hero-image img {
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.5s ease;
}

.hero-image img:hover {
    transform: perspective(1000px) rotateY(0deg);
}

/* Seção de recursos */
.features {
    padding: 5rem 2rem;
    background-color: #f5f5f7;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.features:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 150px;
    background: linear-gradient(180deg, white, transparent);
    z-index: 1;
}

.features h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 3rem;
    position: relative;
    z-index: 2;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.feature-card {
    background-color: white;
    padding: 2.5rem 2rem;
    border-radius: 15px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.feature-card i {
    font-size: 2.75rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    transition: transform 0.5s ease;
}

.feature-card:hover i {
    transform: scale(1.15);
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.feature-card p {
    color: var(--text-light);
    margin-top: auto;
}

/* Galeria */
.gallery {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.gallery h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 3rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    overflow: hidden;
    border-radius: 8px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.gallery-item:hover {
    transform: scale(1.03);
}

/* Seção de depoimentos */
.testimonials {
    padding: 5rem 2rem;
    text-align: center;
    background-color: white;
    position: relative;
}

.testimonials h2 {
    font-size: 2.3rem;
    margin-bottom: 3rem;
    color: var(--dark-color);
}

.testimonials-carousel {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    overflow: hidden;
}

.testimonial {
    padding: 1rem;
    display: none;
    transition: all 0.3s ease;
}

.testimonial.active {
    display: block;
}

.testimonial-content {
    background-color: #f5f7ff;
    padding: 2.5rem;
    border-radius: 16px;
    margin-bottom: 2rem;
    position: relative;
    box-shadow: var(--box-shadow);
}

.testimonial-content:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50px;
    width: 20px;
    height: 20px;
    background-color: #f5f7ff;
    transform: rotate(45deg);
}

.testimonial-content p {
    font-style: italic;
    line-height: 1.7;
    font-size: 1.15rem;
    color: var(--text-color);
}

.testimonial-author {
    display: flex;
    align-items: center;
    padding-left: 30px;
}

.testimonial-author img {
    width: 65px;
    height: 65px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 1.2rem;
    border: 3px solid white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

.testimonial-author div {
    text-align: left;
}

.testimonial-author h4 {
    font-size: 1.2rem;
    margin: 0;
    color: var(--primary-color);
}

.testimonial-author p {
    margin: 0;
    color: var(--text-light);
}

.carousel-dots {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

.dot {
    height: 12px;
    width: 12px;
    background-color: #ddd;
    border-radius: 50%;
    margin: 0 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background-color: var(--primary-color);
    transform: scale(1.2);
}

/* Rodapé */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 4rem 2rem 2rem;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
}

.footer-logo h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.footer-logo p {
    color: #aaa;
    max-width: 300px;
    font-size: 0.95rem;
}

.footer-links {
    display: flex;
    gap: 3rem;
    flex-wrap: wrap;
}

.footer-links-column h4 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: #eee;
}

.footer-links-column ul li {
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.footer-links-column ul li a {
    color: #aaa;
    transition: var(--transition);
}

.footer-links-column ul li a:hover {
    color: white;
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icons a {
    color: #aaa;
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-icons a:hover {
    color: white;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

.footer-bottom p {
    content: "© 2025 kotlr.ai. All rights reserved.";
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 450px;
    width: 100%;
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    gap: 0.5rem;
}

.google-btn:hover {
    background-color: #f5f5f5;
}

.google-btn i {
    color: #4285F4;
    font-size: 1.25rem;
}

/* Seção Como Funciona */
.how-it-works {
    padding: 5rem 2rem;
    background-color: #f5f7ff;
    text-align: center;
    position: relative;
}

.how-it-works:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(0deg, white, transparent);
    z-index: 1;
}

.how-it-works h2 {
    font-size: 2.3rem;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 2;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: left;
    position: relative;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(82, 82, 224, 0.3);
}

.step h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta, .about-cta {
    background: #5252e0;
    padding: 5rem 2rem;
    text-align: center;
    margin-top: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta h2, .about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.cta p, .about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.cta .primary-btn, .about-cta .primary-btn {
    background-color: white;
    color: #5252e0;
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.cta .primary-btn:hover, .about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Estilos para a página About */
.about-header {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background: linear-gradient(180deg, #f5f7ff, white);
    position: relative;
}

.about-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), #000000);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-header p {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #eee;
    gap: 3rem;
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    object-fit: cover;
}

/* Placeholders para imagens */
.placeholder-image {
    background-color: #f0f0f5;
    height: 300px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 2px dashed rgba(82, 82, 224, 0.3);
    font-size: 1.5rem;
    margin: 1rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.placeholder-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
    border-color: rgba(82, 82, 224, 0.5);
}

.placeholder-member {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: #f0f0f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 5px solid white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    font-size: 1.2rem;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.team-member:hover .placeholder-member {
    box-shadow: 0 12px 30px rgba(82, 82, 224, 0.3);
    border-color: #f8f8ff;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 300px;
    margin: 0 auto;
    line-height: 1.6;
}

/* CTA na página About */
.about-cta {
    background: linear-gradient(45deg, var(--primary-color), #5252e0);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    overflow: hidden;
}

.about-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
    background-size: 150px;
}

.about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn {
    background-color: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .cta-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        width: 100%;
        justify-content: space-between;
    }

    .about-section {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }
    
    .about-section.reverse {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 1.5rem;
    }
    
    .about-content h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-content ul {
        display: inline-block;
        text-align: left;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    header {
        padding: 0.75rem 1rem;
        position: fixed;
        width: 100%;
        top: 0;
        background-color: white;
    }
    
    .logo a {
        font-size: 1.5rem;
    }
    
    main {
        margin-top: 60px;
    }
    
    .hero {
        padding: 2rem 1rem;
        gap: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    .hero-buttons a {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .features {
        padding: 2.5rem 1rem;
    }
    
    .features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .feature-card {
        margin-bottom: 1.5rem;
        padding: 1.5rem;
    }
    
    .how-it-works {
        padding: 2.5rem 1rem;
    }
    
    .how-it-works h2 {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    .step {
        margin-bottom: 2.5rem;
        padding-top: 2rem;
    }
    
    .step-number {
        top: -15px;
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .testimonials {
        padding: 2.5rem 1rem;
    }
    
    .testimonials h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .testimonial-content {
        padding: 1.5rem;
    }
    
    .cta {
        padding: 2.5rem 1rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
    
    .cta p {
        font-size: 1rem;
    }
    
    footer {
        padding: 2.5rem 1rem 1.5rem;
    }
    
    .footer-logo h3 {
        font-size: 1.5rem;
    }
    
    .footer-links-column {
        margin-bottom: 1.5rem;
        min-width: 140px;
    }
    
    .about-header {
        padding: 2.5rem 1rem 2rem;
    }
    
    .about-header h1 {
        font-size: 2rem;
    }
    
    .about-header p {
        font-size: 1rem;
    }
    
    .about-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-image {
        height: 200px;
        margin: 0.5rem 0 1.5rem;
    }
    
    .about-content h2 {
        font-size: 1.8rem;
    }
    
    .about-content h3 {
        font-size: 1.4rem;
    }
    
    .about-content p {
        font-size: 1rem;
    }
    
    .team-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-member {
        width: 150px;
        height: 150px;
    }
    
    .about-cta {
        padding: 2.5rem 1rem;
    }
    
    .about-cta h2 {
        font-size: 1.8rem;
    }
    
    .main-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        z-index: 100;
        flex-direction: column;
    }
    
    .main-menu.active {
        display: flex;
    }
    
    .main-menu li {
        margin: 0;
    }
    
    .main-menu li a {
        display: block;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .main-menu li:last-child a {
        border-bottom: none;
    }
    
    .auth-buttons {
        display: none;
    }
    
    .auth-buttons.active {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        padding: 1rem 1.5rem;
        background-color: #f5f5f7;
    }
    
    .auth-buttons.active button {
        width: 100%;
        text-align: center;
        padding: 0.8rem;
    }
    
    .mobile-menu-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .features h2, 
    .how-it-works h2, 
    .testimonials h2, 
    .cta h2, 
    .about-header h1 {
        font-size: 1.6rem;
    }
    
    .about-content h2 {
        font-size: 1.6rem;
    }
    
    .about-content h3 {
        font-size: 1.3rem;
    }
    
    .feature-card, 
    .step, 
    .testimonial-content {
        padding: 1.25rem;
    }
    
    .placeholder-image {
        height: 180px;
    }
    
    .placeholder-member {
        width: 130px;
        height: 130px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
}

.about-content {
    flex: 1;
    min-width: 300px;
    padding: 1rem;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    position: relative;
}

.about-content h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.about-content h3 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--dark-color);
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.05rem;
}

.about-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.about-content ul li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.8rem;
    line-height: 1.6;
}

.about-content ul li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -0.3rem;
}

/* Estilos para página de Análise */
.analyze-header {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 2rem 3rem;
    text-align: center;
}

.analyze-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.analyze-header p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.analyze-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.analyze-container {
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
    margin-top: -3rem;
}

.analyze-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
}

.analyze-tab {
    padding: 1rem 1.5rem;
    margin-right: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.analyze-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.upload-area {
    border: 2px dashed #ddd;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(82, 82, 224, 0.03);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.upload-area h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.file-input {
    display: none;
}

.upload-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.upload-btn:hover {
    background-color: var(--secondary-color);
}

.or-divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--text-light);
}

.or-divider::before, .or-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: #eee;
}

.or-divider span {
    padding: 0 1rem;
}

.url-input-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.url-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.url-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(82, 82, 224, 0.2);
}

.analyze-features {
    background-color: #f5f7ff;
    padding: 4rem 2rem;
    text-align: center;
}

.analyze-features h2 {
    font-size: 2.2rem;
    margin-bottom: 3rem;
}

/* Responsividade para página de análise */
@media (max-width: 768px) {
    .analyze-header {
        padding: 3rem 1.5rem 2rem;
    }
    
    .analyze-header h1 {
        font-size: 2rem;
    }
    
    .analyze-header p {
        font-size: 1.1rem;
    }
    
    .analyze-section {
        padding: 2rem 1rem;
    }
    
    .analyze-container {
        padding: 1.5rem;
        margin-top: -2rem;
    }
    
    .analyze-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        padding-bottom: 0.5rem;
    }
    
    .analyze-tab {
        padding: 0.75rem 1rem;
        margin-right: 0.5rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-area i {
        font-size: 2.5rem;
    }
    
    .upload-area h3 {
        font-size: 1.3rem;
    }
    
    .url-input-container {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .upload-btn, .primary-btn {
        width: 100%;
    }
    
    .analyze-features {
        padding: 3rem 1.5rem;
    }
    
    .analyze-features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .analyze-header h1 {
        font-size: 1.8rem;
    }
    
    .analyze-header p {
        font-size: 1rem;
    }
    
    .analyze-container {
        padding: 1.25rem;
        border-radius: 12px;
    }
    
    .upload-area {
        padding: 1.5rem 1rem;
    }
    
    .upload-area i {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .upload-area h3 {
        font-size: 1.2rem;
    }
    
    .analyze-features h2 {
        font-size: 1.6rem;
    }
}

.language-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
    transition: var(--transition);
}

.language-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.language-menu {
    display: none;
    position: absolute;
    top: 60px;
    right: 150px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    overflow: hidden;
}

.language-menu.active {
    display: block;
}

.language-menu a {
    display: block;
    padding: 12px 16px;
    border-bottom: 1px solid #f0f0f0;
    transition: var(--transition);
}

.language-menu a:last-child {
    border-bottom: none;
}

.language-menu a:hover {
    background-color: #f5f5f7;
}

.language-menu a.active {
    background-color: #f0f0ff;
    color: var(--primary-color);
    font-weight: 500;
}

/* Navegação para index.html e about.html */
.main-menu {
    display: flex;
}

.main-menu li {
    margin: 0 1rem;
}

.main-menu a {
    font-weight: 500;
    transition: var(--transition);
}

.main-menu a:hover {
    color: var(--primary-color);
}

/* Footer */
.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 450px;
    width: 100%;
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    gap: 0.5rem;
}

.google-btn:hover {
    background-color: #f5f5f5;
}

.google-btn i {
    color: #4285F4;
    font-size: 1.25rem;
}

/* Seção Como Funciona */
.how-it-works {
    padding: 5rem 2rem;
    background-color: #f5f7ff;
    text-align: center;
    position: relative;
}

.how-it-works:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(0deg, white, transparent);
    z-index: 1;
}

.how-it-works h2 {
    font-size: 2.3rem;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 2;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: left;
    position: relative;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(82, 82, 224, 0.3);
}

.step h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta, .about-cta {
    background: #5252e0;
    padding: 5rem 2rem;
    text-align: center;
    margin-top: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta h2, .about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.cta p, .about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.cta .primary-btn, .about-cta .primary-btn {
    background-color: white;
    color: #5252e0;
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.cta .primary-btn:hover, .about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Estilos para a página About */
.about-header {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background: linear-gradient(180deg, #f5f7ff, white);
    position: relative;
}

.about-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), #000000);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-header p {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #eee;
    gap: 3rem;
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    object-fit: cover;
}

/* Placeholders para imagens */
.placeholder-image {
    background-color: #f0f0f5;
    height: 300px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 2px dashed rgba(82, 82, 224, 0.3);
    font-size: 1.5rem;
    margin: 1rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.placeholder-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
    border-color: rgba(82, 82, 224, 0.5);
}

.placeholder-member {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: #f0f0f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 5px solid white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    font-size: 1.2rem;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.team-member:hover .placeholder-member {
    box-shadow: 0 12px 30px rgba(82, 82, 224, 0.3);
    border-color: #f8f8ff;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 300px;
    margin: 0 auto;
    line-height: 1.6;
}

/* CTA na página About */
.about-cta {
    background: linear-gradient(45deg, var(--primary-color), #5252e0);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    overflow: hidden;
}

.about-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
    background-size: 150px;
}

.about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn {
    background-color: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .cta-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        width: 100%;
        justify-content: space-between;
    }

    .about-section {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }
    
    .about-section.reverse {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 1.5rem;
    }
    
    .about-content h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-content ul {
        display: inline-block;
        text-align: left;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    header {
        padding: 0.75rem 1rem;
        position: fixed;
        width: 100%;
        top: 0;
        background-color: white;
    }
    
    .logo a {
        font-size: 1.5rem;
    }
    
    main {
        margin-top: 60px;
    }
    
    .hero {
        padding: 2rem 1rem;
        gap: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    .hero-buttons a {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .features {
        padding: 2.5rem 1rem;
    }
    
    .features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .feature-card {
        margin-bottom: 1.5rem;
        padding: 1.5rem;
    }
    
    .how-it-works {
        padding: 2.5rem 1rem;
    }
    
    .how-it-works h2 {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    .step {
        margin-bottom: 2.5rem;
        padding-top: 2rem;
    }
    
    .step-number {
        top: -15px;
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .testimonials {
        padding: 2.5rem 1rem;
    }
    
    .testimonials h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .testimonial-content {
        padding: 1.5rem;
    }
    
    .cta {
        padding: 2.5rem 1rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
    
    .cta p {
        font-size: 1rem;
    }
    
    footer {
        padding: 2.5rem 1rem 1.5rem;
    }
    
    .footer-logo h3 {
        font-size: 1.5rem;
    }
    
    .footer-links-column {
        margin-bottom: 1.5rem;
        min-width: 140px;
    }
    
    .about-header {
        padding: 2.5rem 1rem 2rem;
    }
    
    .about-header h1 {
        font-size: 2rem;
    }
    
    .about-header p {
        font-size: 1rem;
    }
    
    .about-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-image {
        height: 200px;
        margin: 0.5rem 0 1.5rem;
    }
    
    .about-content h2 {
        font-size: 1.8rem;
    }
    
    .about-content h3 {
        font-size: 1.4rem;
    }
    
    .about-content p {
        font-size: 1rem;
    }
    
    .team-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-member {
        width: 150px;
        height: 150px;
    }
    
    .about-cta {
        padding: 2.5rem 1rem;
    }
    
    .about-cta h2 {
        font-size: 1.8rem;
    }
    
    .main-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        z-index: 100;
        flex-direction: column;
    }
    
    .main-menu.active {
        display: flex;
    }
    
    .main-menu li {
        margin: 0;
    }
    
    .main-menu li a {
        display: block;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .main-menu li:last-child a {
        border-bottom: none;
    }
    
    .auth-buttons {
        display: none;
    }
    
    .auth-buttons.active {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        padding: 1rem 1.5rem;
        background-color: #f5f5f7;
    }
    
    .auth-buttons.active button {
        width: 100%;
        text-align: center;
        padding: 0.8rem;
    }
    
    .mobile-menu-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .features h2, 
    .how-it-works h2, 
    .testimonials h2, 
    .cta h2, 
    .about-header h1 {
        font-size: 1.6rem;
    }
    
    .about-content h2 {
        font-size: 1.6rem;
    }
    
    .about-content h3 {
        font-size: 1.3rem;
    }
    
    .feature-card, 
    .step, 
    .testimonial-content {
        padding: 1.25rem;
    }
    
    .placeholder-image {
        height: 180px;
    }
    
    .placeholder-member {
        width: 130px;
        height: 130px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
}

.about-content {
    flex: 1;
    min-width: 300px;
    padding: 1rem;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    position: relative;
}

.about-content h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.about-content h3 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--dark-color);
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.05rem;
}

.about-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.about-content ul li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.8rem;
    line-height: 1.6;
}

.about-content ul li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -0.3rem;
}

/* Estilos para página de Análise */
.analyze-header {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 2rem 3rem;
    text-align: center;
}

.analyze-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.analyze-header p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.analyze-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.analyze-container {
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
    margin-top: -3rem;
}

.analyze-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
}

.analyze-tab {
    padding: 1rem 1.5rem;
    margin-right: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.analyze-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.upload-area {
    border: 2px dashed #ddd;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(82, 82, 224, 0.03);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.upload-area h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.file-input {
    display: none;
}

.upload-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.upload-btn:hover {
    background-color: var(--secondary-color);
}

.or-divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--text-light);
}

.or-divider::before, .or-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: #eee;
}

.or-divider span {
    padding: 0 1rem;
}

.url-input-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.url-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.url-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(82, 82, 224, 0.2);
}

.analyze-features {
    background-color: #f5f7ff;
    padding: 4rem 2rem;
    text-align: center;
}

.analyze-features h2 {
    font-size: 2.2rem;
    margin-bottom: 3rem;
}

/* Responsividade para página de análise */
@media (max-width: 768px) {
    .analyze-header {
        padding: 3rem 1.5rem 2rem;
    }
    
    .analyze-header h1 {
        font-size: 2rem;
    }
    
    .analyze-header p {
        font-size: 1.1rem;
    }
    
    .analyze-section {
        padding: 2rem 1rem;
    }
    
    .analyze-container {
        padding: 1.5rem;
        margin-top: -2rem;
    }
    
    .analyze-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        padding-bottom: 0.5rem;
    }
    
    .analyze-tab {
        padding: 0.75rem 1rem;
        margin-right: 0.5rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-area i {
        font-size: 2.5rem;
    }
    
    .upload-area h3 {
        font-size: 1.3rem;
    }
    
    .url-input-container {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .upload-btn, .primary-btn {
        width: 100%;
    }
    
    .analyze-features {
        padding: 3rem 1.5rem;
    }
    
    .analyze-features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .analyze-header h1 {
        font-size: 1.8rem;
    }
    
    .analyze-header p {
        font-size: 1rem;
    }
    
    .analyze-container {
        padding: 1.25rem;
        border-radius: 12px;
    }
    
    .upload-area {
        padding: 1.5rem 1rem;
    }
    
    .upload-area i {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .upload-area h3 {
        font-size: 1.2rem;
    }
    
    .analyze-features h2 {
        font-size: 1.6rem;
    }
}

.language-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
    transition: var(--transition);
}

.language-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.language-menu {
    display: none;
    position: absolute;
    top: 60px;
    right: 150px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    overflow: hidden;
}

.language-menu.active {
    display: block;
}

.language-menu a {
    display: block;
    padding: 12px 16px;
    border-bottom: 1px solid #f0f0f0;
    transition: var(--transition);
}

.language-menu a:last-child {
    border-bottom: none;
}

.language-menu a:hover {
    background-color: #f5f5f7;
}

.language-menu a.active {
    background-color: #f0f0ff;
    color: var(--primary-color);
    font-weight: 500;
}

/* Navegação para index.html e about.html */
.main-menu {
    display: flex;
}

.main-menu li {
    margin: 0 1rem;
}

.main-menu a {
    font-weight: 500;
    transition: var(--transition);
}

.main-menu a:hover {
    color: var(--primary-color);
}

/* Footer */
.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 450px;
    width: 100%;
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    gap: 0.5rem;
}

.google-btn:hover {
    background-color: #f5f5f5;
}

.google-btn i {
    color: #4285F4;
    font-size: 1.25rem;
}

/* Seção Como Funciona */
.how-it-works {
    padding: 5rem 2rem;
    background-color: #f5f7ff;
    text-align: center;
    position: relative;
}

.how-it-works:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(0deg, white, transparent);
    z-index: 1;
}

.how-it-works h2 {
    font-size: 2.3rem;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 2;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: left;
    position: relative;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(82, 82, 224, 0.3);
}

.step h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta, .about-cta {
    background: #5252e0;
    padding: 5rem 2rem;
    text-align: center;
    margin-top: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta h2, .about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.cta p, .about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.cta .primary-btn, .about-cta .primary-btn {
    background-color: white;
    color: #5252e0;
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.cta .primary-btn:hover, .about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Estilos para a página About */
.about-header {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background: linear-gradient(180deg, #f5f7ff, white);
    position: relative;
}

.about-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), #000000);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-header p {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #eee;
    gap: 3rem;
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    object-fit: cover;
}

/* Placeholders para imagens */
.placeholder-image {
    background-color: #f0f0f5;
    height: 300px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 2px dashed rgba(82, 82, 224, 0.3);
    font-size: 1.5rem;
    margin: 1rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.placeholder-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
    border-color: rgba(82, 82, 224, 0.5);
}

.placeholder-member {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: #f0f0f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 5px solid white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    font-size: 1.2rem;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.team-member:hover .placeholder-member {
    box-shadow: 0 12px 30px rgba(82, 82, 224, 0.3);
    border-color: #f8f8ff;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 300px;
    margin: 0 auto;
    line-height: 1.6;
}

/* CTA na página About */
.about-cta {
    background: linear-gradient(45deg, var(--primary-color), #5252e0);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    overflow: hidden;
}

.about-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
    background-size: 150px;
}

.about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn {
    background-color: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .cta-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        width: 100%;
        justify-content: space-between;
    }

    .about-section {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }
    
    .about-section.reverse {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 1.5rem;
    }
    
    .about-content h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-content ul {
        display: inline-block;
        text-align: left;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    header {
        padding: 0.75rem 1rem;
        position: fixed;
        width: 100%;
        top: 0;
        background-color: white;
    }
    
    .logo a {
        font-size: 1.5rem;
    }
    
    main {
        margin-top: 60px;
    }
    
    .hero {
        padding: 2rem 1rem;
        gap: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    .hero-buttons a {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .features {
        padding: 2.5rem 1rem;
    }
    
    .features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .feature-card {
        margin-bottom: 1.5rem;
        padding: 1.5rem;
    }
    
    .how-it-works {
        padding: 2.5rem 1rem;
    }
    
    .how-it-works h2 {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    .step {
        margin-bottom: 2.5rem;
        padding-top: 2rem;
    }
    
    .step-number {
        top: -15px;
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .testimonials {
        padding: 2.5rem 1rem;
    }
    
    .testimonials h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .testimonial-content {
        padding: 1.5rem;
    }
    
    .cta {
        padding: 2.5rem 1rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
    
    .cta p {
        font-size: 1rem;
    }
    
    footer {
        padding: 2.5rem 1rem 1.5rem;
    }
    
    .footer-logo h3 {
        font-size: 1.5rem;
    }
    
    .footer-links-column {
        margin-bottom: 1.5rem;
        min-width: 140px;
    }
    
    .about-header {
        padding: 2.5rem 1rem 2rem;
    }
    
    .about-header h1 {
        font-size: 2rem;
    }
    
    .about-header p {
        font-size: 1rem;
    }
    
    .about-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-image {
        height: 200px;
        margin: 0.5rem 0 1.5rem;
    }
    
    .about-content h2 {
        font-size: 1.8rem;
    }
    
    .about-content h3 {
        font-size: 1.4rem;
    }
    
    .about-content p {
        font-size: 1rem;
    }
    
    .team-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-member {
        width: 150px;
        height: 150px;
    }
    
    .about-cta {
        padding: 2.5rem 1rem;
    }
    
    .about-cta h2 {
        font-size: 1.8rem;
    }
    
    .main-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        z-index: 100;
        flex-direction: column;
    }
    
    .main-menu.active {
        display: flex;
    }
    
    .main-menu li {
        margin: 0;
    }
    
    .main-menu li a {
        display: block;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .main-menu li:last-child a {
        border-bottom: none;
    }
    
    .auth-buttons {
        display: none;
    }
    
    .auth-buttons.active {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        padding: 1rem 1.5rem;
        background-color: #f5f5f7;
    }
    
    .auth-buttons.active button {
        width: 100%;
        text-align: center;
        padding: 0.8rem;
    }
    
    .mobile-menu-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .features h2, 
    .how-it-works h2, 
    .testimonials h2, 
    .cta h2, 
    .about-header h1 {
        font-size: 1.6rem;
    }
    
    .about-content h2 {
        font-size: 1.6rem;
    }
    
    .about-content h3 {
        font-size: 1.3rem;
    }
    
    .feature-card, 
    .step, 
    .testimonial-content {
        padding: 1.25rem;
    }
    
    .placeholder-image {
        height: 180px;
    }
    
    .placeholder-member {
        width: 130px;
        height: 130px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
}

.about-content {
    flex: 1;
    min-width: 300px;
    padding: 1rem;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    position: relative;
}

.about-content h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.about-content h3 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--dark-color);
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.05rem;
}

.about-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.about-content ul li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.8rem;
    line-height: 1.6;
}

.about-content ul li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -0.3rem;
}

/* Estilos para página de Análise */
.analyze-header {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 2rem 3rem;
    text-align: center;
}

.analyze-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.analyze-header p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.analyze-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.analyze-container {
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
    margin-top: -3rem;
}

.analyze-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
}

.analyze-tab {
    padding: 1rem 1.5rem;
    margin-right: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.analyze-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.upload-area {
    border: 2px dashed #ddd;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(82, 82, 224, 0.03);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.upload-area h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.file-input {
    display: none;
}

.upload-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.upload-btn:hover {
    background-color: var(--secondary-color);
}

.or-divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--text-light);
}

.or-divider::before, .or-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: #eee;
}

.or-divider span {
    padding: 0 1rem;
}

.url-input-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.url-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.url-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(82, 82, 224, 0.2);
}

.analyze-features {
    background-color: #f5f7ff;
    padding: 4rem 2rem;
    text-align: center;
}

.analyze-features h2 {
    font-size: 2.2rem;
    margin-bottom: 3rem;
}

/* Responsividade para página de análise */
@media (max-width: 768px) {
    .analyze-header {
        padding: 3rem 1.5rem 2rem;
    }
    
    .analyze-header h1 {
        font-size: 2rem;
    }
    
    .analyze-header p {
        font-size: 1.1rem;
    }
    
    .analyze-section {
        padding: 2rem 1rem;
    }
    
    .analyze-container {
        padding: 1.5rem;
        margin-top: -2rem;
    }
    
    .analyze-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        padding-bottom: 0.5rem;
    }
    
    .analyze-tab {
        padding: 0.75rem 1rem;
        margin-right: 0.5rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-area i {
        font-size: 2.5rem;
    }
    
    .upload-area h3 {
        font-size: 1.3rem;
    }
    
    .url-input-container {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .upload-btn, .primary-btn {
        width: 100%;
    }
    
    .analyze-features {
        padding: 3rem 1.5rem;
    }
    
    .analyze-features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .analyze-header h1 {
        font-size: 1.8rem;
    }
    
    .analyze-header p {
        font-size: 1rem;
    }
    
    .analyze-container {
        padding: 1.25rem;
        border-radius: 12px;
    }
    
    .upload-area {
        padding: 1.5rem 1rem;
    }
    
    .upload-area i {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .upload-area h3 {
        font-size: 1.2rem;
    }
    
    .analyze-features h2 {
        font-size: 1.6rem;
    }
}

.language-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
    transition: var(--transition);
}

.language-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.language-menu {
    display: none;
    position: absolute;
    top: 60px;
    right: 150px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    overflow: hidden;
}

.language-menu.active {
    display: block;
}

.language-menu a {
    display: block;
    padding: 12px 16px;
    border-bottom: 1px solid #f0f0f0;
    transition: var(--transition);
}

.language-menu a:last-child {
    border-bottom: none;
}

.language-menu a:hover {
    background-color: #f5f5f7;
}

.language-menu a.active {
    background-color: #f0f0ff;
    color: var(--primary-color);
    font-weight: 500;
}

/* Navegação para index.html e about.html */
.main-menu {
    display: flex;
}

.main-menu li {
    margin: 0 1rem;
}

.main-menu a {
    font-weight: 500;
    transition: var(--transition);
}

.main-menu a:hover {
    color: var(--primary-color);
}

/* Footer */
.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 450px;
    width: 100%;
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    gap: 0.5rem;
}

.google-btn:hover {
    background-color: #f5f5f5;
}

.google-btn i {
    color: #4285F4;
    font-size: 1.25rem;
}

/* Seção Como Funciona */
.how-it-works {
    padding: 5rem 2rem;
    background-color: #f5f7ff;
    text-align: center;
    position: relative;
}

.how-it-works:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(0deg, white, transparent);
    z-index: 1;
}

.how-it-works h2 {
    font-size: 2.3rem;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 2;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: left;
    position: relative;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(82, 82, 224, 0.3);
}

.step h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta, .about-cta {
    background: #5252e0;
    padding: 5rem 2rem;
    text-align: center;
    margin-top: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta h2, .about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.cta p, .about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.cta .primary-btn, .about-cta .primary-btn {
    background-color: white;
    color: #5252e0;
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.cta .primary-btn:hover, .about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Estilos para a página About */
.about-header {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background: linear-gradient(180deg, #f5f7ff, white);
    position: relative;
}

.about-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), #000000);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-header p {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #eee;
    gap: 3rem;
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    object-fit: cover;
}

/* Placeholders para imagens */
.placeholder-image {
    background-color: #f0f0f5;
    height: 300px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 2px dashed rgba(82, 82, 224, 0.3);
    font-size: 1.5rem;
    margin: 1rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.placeholder-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
    border-color: rgba(82, 82, 224, 0.5);
}

.placeholder-member {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: #f0f0f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 5px solid white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    font-size: 1.2rem;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.team-member:hover .placeholder-member {
    box-shadow: 0 12px 30px rgba(82, 82, 224, 0.3);
    border-color: #f8f8ff;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 300px;
    margin: 0 auto;
    line-height: 1.6;
}

/* CTA na página About */
.about-cta {
    background: linear-gradient(45deg, var(--primary-color), #5252e0);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    overflow: hidden;
}

.about-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
    background-size: 150px;
}

.about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn {
    background-color: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .cta-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        width: 100%;
        justify-content: space-between;
    }

    .about-section {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }
    
    .about-section.reverse {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 1.5rem;
    }
    
    .about-content h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-content ul {
        display: inline-block;
        text-align: left;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    header {
        padding: 0.75rem 1rem;
        position: fixed;
        width: 100%;
        top: 0;
        background-color: white;
    }
    
    .logo a {
        font-size: 1.5rem;
    }
    
    main {
        margin-top: 60px;
    }
    
    .hero {
        padding: 2rem 1rem;
        gap: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    .hero-buttons a {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .features {
        padding: 2.5rem 1rem;
    }
    
    .features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .feature-card {
        margin-bottom: 1.5rem;
        padding: 1.5rem;
    }
    
    .how-it-works {
        padding: 2.5rem 1rem;
    }
    
    .how-it-works h2 {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    .step {
        margin-bottom: 2.5rem;
        padding-top: 2rem;
    }
    
    .step-number {
        top: -15px;
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .testimonials {
        padding: 2.5rem 1rem;
    }
    
    .testimonials h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .testimonial-content {
        padding: 1.5rem;
    }
    
    .cta {
        padding: 2.5rem 1rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
    
    .cta p {
        font-size: 1rem;
    }
    
    footer {
        padding: 2.5rem 1rem 1.5rem;
    }
    
    .footer-logo h3 {
        font-size: 1.5rem;
    }
    
    .footer-links-column {
        margin-bottom: 1.5rem;
        min-width: 140px;
    }
    
    .about-header {
        padding: 2.5rem 1rem 2rem;
    }
    
    .about-header h1 {
        font-size: 2rem;
    }
    
    .about-header p {
        font-size: 1rem;
    }
    
    .about-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-image {
        height: 200px;
        margin: 0.5rem 0 1.5rem;
    }
    
    .about-content h2 {
        font-size: 1.8rem;
    }
    
    .about-content h3 {
        font-size: 1.4rem;
    }
    
    .about-content p {
        font-size: 1rem;
    }
    
    .team-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-member {
        width: 150px;
        height: 150px;
    }
    
    .about-cta {
        padding: 2.5rem 1rem;
    }
    
    .about-cta h2 {
        font-size: 1.8rem;
    }
    
    .main-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        z-index: 100;
        flex-direction: column;
    }
    
    .main-menu.active {
        display: flex;
    }
    
    .main-menu li {
        margin: 0;
    }
    
    .main-menu li a {
        display: block;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .main-menu li:last-child a {
        border-bottom: none;
    }
    
    .auth-buttons {
        display: none;
    }
    
    .auth-buttons.active {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        padding: 1rem 1.5rem;
        background-color: #f5f5f7;
    }
    
    .auth-buttons.active button {
        width: 100%;
        text-align: center;
        padding: 0.8rem;
    }
    
    .mobile-menu-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .features h2, 
    .how-it-works h2, 
    .testimonials h2, 
    .cta h2, 
    .about-header h1 {
        font-size: 1.6rem;
    }
    
    .about-content h2 {
        font-size: 1.6rem;
    }
    
    .about-content h3 {
        font-size: 1.3rem;
    }
    
    .feature-card, 
    .step, 
    .testimonial-content {
        padding: 1.25rem;
    }
    
    .placeholder-image {
        height: 180px;
    }
    
    .placeholder-member {
        width: 130px;
        height: 130px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
}

.about-content {
    flex: 1;
    min-width: 300px;
    padding: 1rem;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    position: relative;
}

.about-content h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.about-content h3 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--dark-color);
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.05rem;
}

.about-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.about-content ul li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.8rem;
    line-height: 1.6;
}

.about-content ul li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -0.3rem;
}

/* Estilos para página de Análise */
.analyze-header {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 2rem 3rem;
    text-align: center;
}

.analyze-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.analyze-header p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.analyze-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.analyze-container {
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
    margin-top: -3rem;
}

.analyze-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
}

.analyze-tab {
    padding: 1rem 1.5rem;
    margin-right: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.analyze-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.upload-area {
    border: 2px dashed #ddd;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(82, 82, 224, 0.03);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.upload-area h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.file-input {
    display: none;
}

.upload-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.upload-btn:hover {
    background-color: var(--secondary-color);
}

.or-divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--text-light);
}

.or-divider::before, .or-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: #eee;
}

.or-divider span {
    padding: 0 1rem;
}

.url-input-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.url-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.url-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(82, 82, 224, 0.2);
}

.analyze-features {
    background-color: #f5f7ff;
    padding: 4rem 2rem;
    text-align: center;
}

.analyze-features h2 {
    font-size: 2.2rem;
    margin-bottom: 3rem;
}

/* Responsividade para página de análise */
@media (max-width: 768px) {
    .analyze-header {
        padding: 3rem 1.5rem 2rem;
    }
    
    .analyze-header h1 {
        font-size: 2rem;
    }
    
    .analyze-header p {
        font-size: 1.1rem;
    }
    
    .analyze-section {
        padding: 2rem 1rem;
    }
    
    .analyze-container {
        padding: 1.5rem;
        margin-top: -2rem;
    }
    
    .analyze-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        padding-bottom: 0.5rem;
    }
    
    .analyze-tab {
        padding: 0.75rem 1rem;
        margin-right: 0.5rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-area i {
        font-size: 2.5rem;
    }
    
    .upload-area h3 {
        font-size: 1.3rem;
    }
    
    .url-input-container {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .upload-btn, .primary-btn {
        width: 100%;
    }
    
    .analyze-features {
        padding: 3rem 1.5rem;
    }
    
    .analyze-features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .analyze-header h1 {
        font-size: 1.8rem;
    }
    
    .analyze-header p {
        font-size: 1rem;
    }
    
    .analyze-container {
        padding: 1.25rem;
        border-radius: 12px;
    }
    
    .upload-area {
        padding: 1.5rem 1rem;
    }
    
    .upload-area i {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .upload-area h3 {
        font-size: 1.2rem;
    }
    
    .analyze-features h2 {
        font-size: 1.6rem;
    }
}

.language-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
    transition: var(--transition);
}

.language-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.language-menu {
    display: none;
    position: absolute;
    top: 60px;
    right: 150px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    overflow: hidden;
}

.language-menu.active {
    display: block;
}

.language-menu a {
    display: block;
    padding: 12px 16px;
    border-bottom: 1px solid #f0f0f0;
    transition: var(--transition);
}

.language-menu a:last-child {
    border-bottom: none;
}

.language-menu a:hover {
    background-color: #f5f5f7;
}

.language-menu a.active {
    background-color: #f0f0ff;
    color: var(--primary-color);
    font-weight: 500;
}

/* Navegação para index.html e about.html */
.main-menu {
    display: flex;
}

.main-menu li {
    margin: 0 1rem;
}

.main-menu a {
    font-weight: 500;
    transition: var(--transition);
}

.main-menu a:hover {
    color: var(--primary-color);
}

/* Footer */
.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 450px;
    width: 100%;
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    gap: 0.5rem;
}

.google-btn:hover {
    background-color: #f5f5f5;
}

.google-btn i {
    color: #4285F4;
    font-size: 1.25rem;
}

/* Seção Como Funciona */
.how-it-works {
    padding: 5rem 2rem;
    background-color: #f5f7ff;
    text-align: center;
    position: relative;
}

.how-it-works:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(0deg, white, transparent);
    z-index: 1;
}

.how-it-works h2 {
    font-size: 2.3rem;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 2;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: left;
    position: relative;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(82, 82, 224, 0.3);
}

.step h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta, .about-cta {
    background: #5252e0;
    padding: 5rem 2rem;
    text-align: center;
    margin-top: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta h2, .about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.cta p, .about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.cta .primary-btn, .about-cta .primary-btn {
    background-color: white;
    color: #5252e0;
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.cta .primary-btn:hover, .about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Estilos para a página About */
.about-header {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background: linear-gradient(180deg, #f5f7ff, white);
    position: relative;
}

.about-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), #000000);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-header p {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #eee;
    gap: 3rem;
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    object-fit: cover;
}

/* Placeholders para imagens */
.placeholder-image {
    background-color: #f0f0f5;
    height: 300px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 2px dashed rgba(82, 82, 224, 0.3);
    font-size: 1.5rem;
    margin: 1rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.placeholder-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
    border-color: rgba(82, 82, 224, 0.5);
}

.placeholder-member {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: #f0f0f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 5px solid white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    font-size: 1.2rem;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.team-member:hover .placeholder-member {
    box-shadow: 0 12px 30px rgba(82, 82, 224, 0.3);
    border-color: #f8f8ff;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 300px;
    margin: 0 auto;
    line-height: 1.6;
}

/* CTA na página About */
.about-cta {
    background: linear-gradient(45deg, var(--primary-color), #5252e0);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    overflow: hidden;
}

.about-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
    background-size: 150px;
}

.about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn {
    background-color: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .cta-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        width: 100%;
        justify-content: space-between;
    }

    .about-section {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }
    
    .about-section.reverse {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 1.5rem;
    }
    
    .about-content h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-content ul {
        display: inline-block;
        text-align: left;
    }
}

/* Reset e estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #5252e0;
    --secondary-color: #7c7ce4;
    --dark-color: #14141f;
    --light-color: #f5f5f7;
    --text-color: #333;
    --text-light: #777;
    --border-radius: 8px;
    --box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    --card-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
    --gradient-primary: linear-gradient(90deg, var(--primary-color), #7373f0);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fafafa;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
    font-size: 1rem;
}

/* Cabeçalho */
header {
    position: sticky;
    top: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    z-index: 100;
}

.logo a {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    transition: var(--transition);
}

.logo a:hover {
    opacity: 0.9;
}

.main-menu {
    display: flex;
}

.main-menu li {
    margin: 0 1rem;
}

.main-menu a {
    font-weight: 500;
    transition: var(--transition);
}

.main-menu a:hover {
    color: var(--primary-color);
}

.highlight-btn {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
}

.auth-buttons {
    display: flex;
    gap: 1rem;
}

.auth-buttons button, .primary-btn, .secondary-btn {
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    padding: 0.6rem 1.5rem;
}

#login-btn {
    background-color: transparent;
    color: var(--text-color);
}

.primary-btn {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 12px rgba(82, 82, 224, 0.25);
}

.primary-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(82, 82, 224, 0.35);
}

.secondary-btn {
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
}

.secondary-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Seção Hero */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    gap: 2rem;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.2rem;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
}

.hero-image {
    flex: 1;
    position: relative;
    max-width: 500px;
}

.hero-image img {
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.5s ease;
}

.hero-image img:hover {
    transform: perspective(1000px) rotateY(0deg);
}

/* Seção de recursos */
.features {
    padding: 5rem 2rem;
    background-color: #f5f5f7;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.features:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 150px;
    background: linear-gradient(180deg, white, transparent);
    z-index: 1;
}

.features h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 3rem;
    position: relative;
    z-index: 2;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.feature-card {
    background-color: white;
    padding: 2.5rem 2rem;
    border-radius: 15px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.feature-card i {
    font-size: 2.75rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    transition: transform 0.5s ease;
}

.feature-card:hover i {
    transform: scale(1.15);
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.feature-card p {
    color: var(--text-light);
    margin-top: auto;
}

/* Galeria */
.gallery {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.gallery h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 3rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    overflow: hidden;
    border-radius: 8px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.gallery-item:hover {
    transform: scale(1.03);
}

/* Seção de depoimentos */
.testimonials {
    padding: 5rem 2rem;
    text-align: center;
    background-color: white;
    position: relative;
}

.testimonials h2 {
    font-size: 2.3rem;
    margin-bottom: 3rem;
    color: var(--dark-color);
}

.testimonials-carousel {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    overflow: hidden;
}

.testimonial {
    padding: 1rem;
    display: none;
    transition: all 0.3s ease;
}

.testimonial.active {
    display: block;
}

.testimonial-content {
    background-color: #f5f7ff;
    padding: 2.5rem;
    border-radius: 16px;
    margin-bottom: 2rem;
    position: relative;
    box-shadow: var(--box-shadow);
}

.testimonial-content:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50px;
    width: 20px;
    height: 20px;
    background-color: #f5f7ff;
    transform: rotate(45deg);
}

.testimonial-content p {
    font-style: italic;
    line-height: 1.7;
    font-size: 1.15rem;
    color: var(--text-color);
}

.testimonial-author {
    display: flex;
    align-items: center;
    padding-left: 30px;
}

.testimonial-author img {
    width: 65px;
    height: 65px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 1.2rem;
    border: 3px solid white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

.testimonial-author div {
    text-align: left;
}

.testimonial-author h4 {
    font-size: 1.2rem;
    margin: 0;
    color: var(--primary-color);
}

.testimonial-author p {
    margin: 0;
    color: var(--text-light);
}

.carousel-dots {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

.dot {
    height: 12px;
    width: 12px;
    background-color: #ddd;
    border-radius: 50%;
    margin: 0 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background-color: var(--primary-color);
    transform: scale(1.2);
}

/* Rodapé */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 4rem 2rem 2rem;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
}

.footer-logo h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.footer-logo p {
    color: #aaa;
    max-width: 300px;
    font-size: 0.95rem;
}

.footer-links {
    display: flex;
    gap: 3rem;
    flex-wrap: wrap;
}

.footer-links-column h4 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: #eee;
}

.footer-links-column ul li {
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.footer-links-column ul li a {
    color: #aaa;
    transition: var(--transition);
}

.footer-links-column ul li a:hover {
    color: white;
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icons a {
    color: #aaa;
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-icons a:hover {
    color: white;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

.footer-bottom p {
    content: "© 2025 kotlr.ai. All rights reserved.";
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 450px;
    width: 100%;
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    gap: 0.5rem;
}

.google-btn:hover {
    background-color: #f5f5f5;
}

.google-btn i {
    color: #4285F4;
    font-size: 1.25rem;
}

/* Seção Como Funciona */
.how-it-works {
    padding: 5rem 2rem;
    background-color: #f5f7ff;
    text-align: center;
    position: relative;
}

.how-it-works:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(0deg, white, transparent);
    z-index: 1;
}

.how-it-works h2 {
    font-size: 2.3rem;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 2;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: left;
    position: relative;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(82, 82, 224, 0.3);
}

.step h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta, .about-cta {
    background: #5252e0;
    padding: 5rem 2rem;
    text-align: center;
    margin-top: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta h2, .about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.cta p, .about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.cta .primary-btn, .about-cta .primary-btn {
    background-color: white;
    color: #5252e0;
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.cta .primary-btn:hover, .about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Estilos para a página About */
.about-header {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background: linear-gradient(180deg, #f5f7ff, white);
    position: relative;
}

.about-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), #000000);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-header p {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #eee;
    gap: 3rem;
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    object-fit: cover;
}

/* Placeholders para imagens */
.placeholder-image {
    background-color: #f0f0f5;
    height: 300px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 2px dashed rgba(82, 82, 224, 0.3);
    font-size: 1.5rem;
    margin: 1rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.placeholder-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
    border-color: rgba(82, 82, 224, 0.5);
}

.placeholder-member {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: #f0f0f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 5px solid white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    font-size: 1.2rem;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.team-member:hover .placeholder-member {
    box-shadow: 0 12px 30px rgba(82, 82, 224, 0.3);
    border-color: #f8f8ff;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 300px;
    margin: 0 auto;
    line-height: 1.6;
}

/* CTA na página About */
.about-cta {
    background: linear-gradient(45deg, var(--primary-color), #5252e0);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    overflow: hidden;
}

.about-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
    background-size: 150px;
}

.about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn {
    background-color: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .cta-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        width: 100%;
        justify-content: space-between;
    }

    .about-section {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }
    
    .about-section.reverse {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 1.5rem;
    }
    
    .about-content h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-content ul {
        display: inline-block;
        text-align: left;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    header {
        padding: 0.75rem 1rem;
        position: fixed;
        width: 100%;
        top: 0;
        background-color: white;
    }
    
    .logo a {
        font-size: 1.5rem;
    }
    
    main {
        margin-top: 60px;
    }
    
    .hero {
        padding: 2rem 1rem;
        gap: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    .hero-buttons a {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .features {
        padding: 2.5rem 1rem;
    }
    
    .features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .feature-card {
        margin-bottom: 1.5rem;
        padding: 1.5rem;
    }
    
    .how-it-works {
        padding: 2.5rem 1rem;
    }
    
    .how-it-works h2 {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    .step {
        margin-bottom: 2.5rem;
        padding-top: 2rem;
    }
    
    .step-number {
        top: -15px;
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .testimonials {
        padding: 2.5rem 1rem;
    }
    
    .testimonials h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .testimonial-content {
        padding: 1.5rem;
    }
    
    .cta {
        padding: 2.5rem 1rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
    
    .cta p {
        font-size: 1rem;
    }
    
    footer {
        padding: 2.5rem 1rem 1.5rem;
    }
    
    .footer-logo h3 {
        font-size: 1.5rem;
    }
    
    .footer-links-column {
        margin-bottom: 1.5rem;
        min-width: 140px;
    }
    
    .about-header {
        padding: 2.5rem 1rem 2rem;
    }
    
    .about-header h1 {
        font-size: 2rem;
    }
    
    .about-header p {
        font-size: 1rem;
    }
    
    .about-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-image {
        height: 200px;
        margin: 0.5rem 0 1.5rem;
    }
    
    .about-content h2 {
        font-size: 1.8rem;
    }
    
    .about-content h3 {
        font-size: 1.4rem;
    }
    
    .about-content p {
        font-size: 1rem;
    }
    
    .team-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-member {
        width: 150px;
        height: 150px;
    }
    
    .about-cta {
        padding: 2.5rem 1rem;
    }
    
    .about-cta h2 {
        font-size: 1.8rem;
    }
    
    .main-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        z-index: 100;
        flex-direction: column;
    }
    
    .main-menu.active {
        display: flex;
    }
    
    .main-menu li {
        margin: 0;
    }
    
    .main-menu li a {
        display: block;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .main-menu li:last-child a {
        border-bottom: none;
    }
    
    .auth-buttons {
        display: none;
    }
    
    .auth-buttons.active {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        padding: 1rem 1.5rem;
        background-color: #f5f5f7;
    }
    
    .auth-buttons.active button {
        width: 100%;
        text-align: center;
        padding: 0.8rem;
    }
    
    .mobile-menu-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .features h2, 
    .how-it-works h2, 
    .testimonials h2, 
    .cta h2, 
    .about-header h1 {
        font-size: 1.6rem;
    }
    
    .about-content h2 {
        font-size: 1.6rem;
    }
    
    .about-content h3 {
        font-size: 1.3rem;
    }
    
    .feature-card, 
    .step, 
    .testimonial-content {
        padding: 1.25rem;
    }
    
    .placeholder-image {
        height: 180px;
    }
    
    .placeholder-member {
        width: 130px;
        height: 130px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
}

.about-content {
    flex: 1;
    min-width: 300px;
    padding: 1rem;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    position: relative;
}

.about-content h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.about-content h3 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--dark-color);
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.05rem;
}

.about-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.about-content ul li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.8rem;
    line-height: 1.6;
}

.about-content ul li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -0.3rem;
}

/* Estilos para página de Análise */
.analyze-header {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 2rem 3rem;
    text-align: center;
}

.analyze-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.analyze-header p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.analyze-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.analyze-container {
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
    margin-top: -3rem;
}

.analyze-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
}

.analyze-tab {
    padding: 1rem 1.5rem;
    margin-right: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.analyze-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.upload-area {
    border: 2px dashed #ddd;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(82, 82, 224, 0.03);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.upload-area h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.file-input {
    display: none;
}

.upload-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.upload-btn:hover {
    background-color: var(--secondary-color);
}

.or-divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--text-light);
}

.or-divider::before, .or-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: #eee;
}

.or-divider span {
    padding: 0 1rem;
}

.url-input-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.url-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.url-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(82, 82, 224, 0.2);
}

.analyze-features {
    background-color: #f5f7ff;
    padding: 4rem 2rem;
    text-align: center;
}

.analyze-features h2 {
    font-size: 2.2rem;
    margin-bottom: 3rem;
}

/* Responsividade para página de análise */
@media (max-width: 768px) {
    .analyze-header {
        padding: 3rem 1.5rem 2rem;
    }
    
    .analyze-header h1 {
        font-size: 2rem;
    }
    
    .analyze-header p {
        font-size: 1.1rem;
    }
    
    .analyze-section {
        padding: 2rem 1rem;
    }
    
    .analyze-container {
        padding: 1.5rem;
        margin-top: -2rem;
    }
    
    .analyze-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        padding-bottom: 0.5rem;
    }
    
    .analyze-tab {
        padding: 0.75rem 1rem;
        margin-right: 0.5rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-area i {
        font-size: 2.5rem;
    }
    
    .upload-area h3 {
        font-size: 1.3rem;
    }
    
    .url-input-container {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .upload-btn, .primary-btn {
        width: 100%;
    }
    
    .analyze-features {
        padding: 3rem 1.5rem;
    }
    
    .analyze-features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .analyze-header h1 {
        font-size: 1.8rem;
    }
    
    .analyze-header p {
        font-size: 1rem;
    }
    
    .analyze-container {
        padding: 1.25rem;
        border-radius: 12px;
    }
    
    .upload-area {
        padding: 1.5rem 1rem;
    }
    
    .upload-area i {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .upload-area h3 {
        font-size: 1.2rem;
    }
    
    .analyze-features h2 {
        font-size: 1.6rem;
    }
}

.language-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
    transition: var(--transition);
}

.language-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.language-menu {
    display: none;
    position: absolute;
    top: 60px;
    right: 150px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    overflow: hidden;
}

.language-menu.active {
    display: block;
}

.language-menu a {
    display: block;
    padding: 12px 16px;
    border-bottom: 1px solid #f0f0f0;
    transition: var(--transition);
}

.language-menu a:last-child {
    border-bottom: none;
}

.language-menu a:hover {
    background-color: #f5f5f7;
}

.language-menu a.active {
    background-color: #f0f0ff;
    color: var(--primary-color);
    font-weight: 500;
}

/* Navegação para index.html e about.html */
.main-menu {
    display: flex;
}

.main-menu li {
    margin: 0 1rem;
}

.main-menu a {
    font-weight: 500;
    transition: var(--transition);
}

.main-menu a:hover {
    color: var(--primary-color);
}

/* Footer */
.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 450px;
    width: 100%;
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    gap: 0.5rem;
}

.google-btn:hover {
    background-color: #f5f5f5;
}

.google-btn i {
    color: #4285F4;
    font-size: 1.25rem;
}

/* Seção Como Funciona */
.how-it-works {
    padding: 5rem 2rem;
    background-color: #f5f7ff;
    text-align: center;
    position: relative;
}

.how-it-works:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(0deg, white, transparent);
    z-index: 1;
}

.how-it-works h2 {
    font-size: 2.3rem;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 2;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: left;
    position: relative;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(82, 82, 224, 0.3);
}

.step h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta, .about-cta {
    background: #5252e0;
    padding: 5rem 2rem;
    text-align: center;
    margin-top: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta h2, .about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.cta p, .about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.cta .primary-btn, .about-cta .primary-btn {
    background-color: white;
    color: #5252e0;
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.cta .primary-btn:hover, .about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Estilos para a página About */
.about-header {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background: linear-gradient(180deg, #f5f7ff, white);
    position: relative;
}

.about-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), #000000);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-header p {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #eee;
    gap: 3rem;
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    object-fit: cover;
}

/* Placeholders para imagens */
.placeholder-image {
    background-color: #f0f0f5;
    height: 300px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 2px dashed rgba(82, 82, 224, 0.3);
    font-size: 1.5rem;
    margin: 1rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.placeholder-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
    border-color: rgba(82, 82, 224, 0.5);
}

.placeholder-member {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: #f0f0f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 5px solid white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    font-size: 1.2rem;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.team-member:hover .placeholder-member {
    box-shadow: 0 12px 30px rgba(82, 82, 224, 0.3);
    border-color: #f8f8ff;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 300px;
    margin: 0 auto;
    line-height: 1.6;
}

/* CTA na página About */
.about-cta {
    background: linear-gradient(45deg, var(--primary-color), #5252e0);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    overflow: hidden;
}

.about-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
    background-size: 150px;
}

.about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn {
    background-color: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .cta-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        width: 100%;
        justify-content: space-between;
    }

    .about-section {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }
    
    .about-section.reverse {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 1.5rem;
    }
    
    .about-content h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-content ul {
        display: inline-block;
        text-align: left;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    header {
        padding: 0.75rem 1rem;
        position: fixed;
        width: 100%;
        top: 0;
        background-color: white;
    }
    
    .logo a {
        font-size: 1.5rem;
    }
    
    main {
        margin-top: 60px;
    }
    
    .hero {
        padding: 2rem 1rem;
        gap: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    .hero-buttons a {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .features {
        padding: 2.5rem 1rem;
    }
    
    .features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .feature-card {
        margin-bottom: 1.5rem;
        padding: 1.5rem;
    }
    
    .how-it-works {
        padding: 2.5rem 1rem;
    }
    
    .how-it-works h2 {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    .step {
        margin-bottom: 2.5rem;
        padding-top: 2rem;
    }
    
    .step-number {
        top: -15px;
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .testimonials {
        padding: 2.5rem 1rem;
    }
    
    .testimonials h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .testimonial-content {
        padding: 1.5rem;
    }
    
    .cta {
        padding: 2.5rem 1rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
    
    .cta p {
        font-size: 1rem;
    }
    
    footer {
        padding: 2.5rem 1rem 1.5rem;
    }
    
    .footer-logo h3 {
        font-size: 1.5rem;
    }
    
    .footer-links-column {
        margin-bottom: 1.5rem;
        min-width: 140px;
    }
    
    .about-header {
        padding: 2.5rem 1rem 2rem;
    }
    
    .about-header h1 {
        font-size: 2rem;
    }
    
    .about-header p {
        font-size: 1rem;
    }
    
    .about-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-image {
        height: 200px;
        margin: 0.5rem 0 1.5rem;
    }
    
    .about-content h2 {
        font-size: 1.8rem;
    }
    
    .about-content h3 {
        font-size: 1.4rem;
    }
    
    .about-content p {
        font-size: 1rem;
    }
    
    .team-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-member {
        width: 150px;
        height: 150px;
    }
    
    .about-cta {
        padding: 2.5rem 1rem;
    }
    
    .about-cta h2 {
        font-size: 1.8rem;
    }
    
    .main-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        z-index: 100;
        flex-direction: column;
    }
    
    .main-menu.active {
        display: flex;
    }
    
    .main-menu li {
        margin: 0;
    }
    
    .main-menu li a {
        display: block;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .main-menu li:last-child a {
        border-bottom: none;
    }
    
    .auth-buttons {
        display: none;
    }
    
    .auth-buttons.active {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        padding: 1rem 1.5rem;
        background-color: #f5f5f7;
    }
    
    .auth-buttons.active button {
        width: 100%;
        text-align: center;
        padding: 0.8rem;
    }
    
    .mobile-menu-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .features h2, 
    .how-it-works h2, 
    .testimonials h2, 
    .cta h2, 
    .about-header h1 {
        font-size: 1.6rem;
    }
    
    .about-content h2 {
        font-size: 1.6rem;
    }
    
    .about-content h3 {
        font-size: 1.3rem;
    }
    
    .feature-card, 
    .step, 
    .testimonial-content {
        padding: 1.25rem;
    }
    
    .placeholder-image {
        height: 180px;
    }
    
    .placeholder-member {
        width: 130px;
        height: 130px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
}

.about-content {
    flex: 1;
    min-width: 300px;
    padding: 1rem;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    position: relative;
}

.about-content h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.about-content h3 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--dark-color);
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.05rem;
}

.about-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.about-content ul li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.8rem;
    line-height: 1.6;
}

.about-content ul li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -0.3rem;
}

/* Estilos para página de Análise */
.analyze-header {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 2rem 3rem;
    text-align: center;
}

.analyze-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.analyze-header p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.analyze-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.analyze-container {
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
    margin-top: -3rem;
}

.analyze-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
}

.analyze-tab {
    padding: 1rem 1.5rem;
    margin-right: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.analyze-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.upload-area {
    border: 2px dashed #ddd;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(82, 82, 224, 0.03);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.upload-area h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.file-input {
    display: none;
}

.upload-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.upload-btn:hover {
    background-color: var(--secondary-color);
}

.or-divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--text-light);
}

.or-divider::before, .or-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: #eee;
}

.or-divider span {
    padding: 0 1rem;
}

.url-input-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.url-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.url-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(82, 82, 224, 0.2);
}

.analyze-features {
    background-color: #f5f7ff;
    padding: 4rem 2rem;
    text-align: center;
}

.analyze-features h2 {
    font-size: 2.2rem;
    margin-bottom: 3rem;
}

/* Responsividade para página de análise */
@media (max-width: 768px) {
    .analyze-header {
        padding: 3rem 1.5rem 2rem;
    }
    
    .analyze-header h1 {
        font-size: 2rem;
    }
    
    .analyze-header p {
        font-size: 1.1rem;
    }
    
    .analyze-section {
        padding: 2rem 1rem;
    }
    
    .analyze-container {
        padding: 1.5rem;
        margin-top: -2rem;
    }
    
    .analyze-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        padding-bottom: 0.5rem;
    }
    
    .analyze-tab {
        padding: 0.75rem 1rem;
        margin-right: 0.5rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-area i {
        font-size: 2.5rem;
    }
    
    .upload-area h3 {
        font-size: 1.3rem;
    }
    
    .url-input-container {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .upload-btn, .primary-btn {
        width: 100%;
    }
    
    .analyze-features {
        padding: 3rem 1.5rem;
    }
    
    .analyze-features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .analyze-header h1 {
        font-size: 1.8rem;
    }
    
    .analyze-header p {
        font-size: 1rem;
    }
    
    .analyze-container {
        padding: 1.25rem;
        border-radius: 12px;
    }
    
    .upload-area {
        padding: 1.5rem 1rem;
    }
    
    .upload-area i {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .upload-area h3 {
        font-size: 1.2rem;
    }
    
    .analyze-features h2 {
        font-size: 1.6rem;
    }
}

.language-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
    transition: var(--transition);
}

.language-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.language-menu {
    display: none;
    position: absolute;
    top: 60px;
    right: 150px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    overflow: hidden;
}

.language-menu.active {
    display: block;
}

.language-menu a {
    display: block;
    padding: 12px 16px;
    border-bottom: 1px solid #f0f0f0;
    transition: var(--transition);
}

.language-menu a:last-child {
    border-bottom: none;
}

.language-menu a:hover {
    background-color: #f5f5f7;
}

.language-menu a.active {
    background-color: #f0f0ff;
    color: var(--primary-color);
    font-weight: 500;
}

/* Navegação para index.html e about.html */
.main-menu {
    display: flex;
}

.main-menu li {
    margin: 0 1rem;
}

.main-menu a {
    font-weight: 500;
    transition: var(--transition);
}

.main-menu a:hover {
    color: var(--primary-color);
}

/* Footer */
.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 450px;
    width: 100%;
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    gap: 0.5rem;
}

.google-btn:hover {
    background-color: #f5f5f5;
}

.google-btn i {
    color: #4285F4;
    font-size: 1.25rem;
}

/* Seção Como Funciona */
.how-it-works {
    padding: 5rem 2rem;
    background-color: #f5f7ff;
    text-align: center;
    position: relative;
}

.how-it-works:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(0deg, white, transparent);
    z-index: 1;
}

.how-it-works h2 {
    font-size: 2.3rem;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 2;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: left;
    position: relative;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(82, 82, 224, 0.3);
}

.step h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta, .about-cta {
    background: #5252e0;
    padding: 5rem 2rem;
    text-align: center;
    margin-top: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta h2, .about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.cta p, .about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.cta .primary-btn, .about-cta .primary-btn {
    background-color: white;
    color: #5252e0;
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.cta .primary-btn:hover, .about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Estilos para a página About */
.about-header {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background: linear-gradient(180deg, #f5f7ff, white);
    position: relative;
}

.about-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), #000000);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-header p {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #eee;
    gap: 3rem;
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    object-fit: cover;
}

/* Placeholders para imagens */
.placeholder-image {
    background-color: #f0f0f5;
    height: 300px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 2px dashed rgba(82, 82, 224, 0.3);
    font-size: 1.5rem;
    margin: 1rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.placeholder-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
    border-color: rgba(82, 82, 224, 0.5);
}

.placeholder-member {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: #f0f0f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 5px solid white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    font-size: 1.2rem;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.team-member:hover .placeholder-member {
    box-shadow: 0 12px 30px rgba(82, 82, 224, 0.3);
    border-color: #f8f8ff;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 300px;
    margin: 0 auto;
    line-height: 1.6;
}

/* CTA na página About */
.about-cta {
    background: linear-gradient(45deg, var(--primary-color), #5252e0);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    overflow: hidden;
}

.about-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
    background-size: 150px;
}

.about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn {
    background-color: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .cta-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        width: 100%;
        justify-content: space-between;
    }

    .about-section {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }
    
    .about-section.reverse {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 1.5rem;
    }
    
    .about-content h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-content ul {
        display: inline-block;
        text-align: left;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    header {
        padding: 0.75rem 1rem;
        position: fixed;
        width: 100%;
        top: 0;
        background-color: white;
    }
    
    .logo a {
        font-size: 1.5rem;
    }
    
    main {
        margin-top: 60px;
    }
    
    .hero {
        padding: 2rem 1rem;
        gap: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    .hero-buttons a {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .features {
        padding: 2.5rem 1rem;
    }
    
    .features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .feature-card {
        margin-bottom: 1.5rem;
        padding: 1.5rem;
    }
    
    .how-it-works {
        padding: 2.5rem 1rem;
    }
    
    .how-it-works h2 {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    .step {
        margin-bottom: 2.5rem;
        padding-top: 2rem;
    }
    
    .step-number {
        top: -15px;
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .testimonials {
        padding: 2.5rem 1rem;
    }
    
    .testimonials h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .testimonial-content {
        padding: 1.5rem;
    }
    
    .cta {
        padding: 2.5rem 1rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
    
    .cta p {
        font-size: 1rem;
    }
    
    footer {
        padding: 2.5rem 1rem 1.5rem;
    }
    
    .footer-logo h3 {
        font-size: 1.5rem;
    }
    
    .footer-links-column {
        margin-bottom: 1.5rem;
        min-width: 140px;
    }
    
    .about-header {
        padding: 2.5rem 1rem 2rem;
    }
    
    .about-header h1 {
        font-size: 2rem;
    }
    
    .about-header p {
        font-size: 1rem;
    }
    
    .about-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-image {
        height: 200px;
        margin: 0.5rem 0 1.5rem;
    }
    
    .about-content h2 {
        font-size: 1.8rem;
    }
    
    .about-content h3 {
        font-size: 1.4rem;
    }
    
    .about-content p {
        font-size: 1rem;
    }
    
    .team-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-member {
        width: 150px;
        height: 150px;
    }
    
    .about-cta {
        padding: 2.5rem 1rem;
    }
    
    .about-cta h2 {
        font-size: 1.8rem;
    }
    
    .main-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        z-index: 100;
        flex-direction: column;
    }
    
    .main-menu.active {
        display: flex;
    }
    
    .main-menu li {
        margin: 0;
    }
    
    .main-menu li a {
        display: block;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .main-menu li:last-child a {
        border-bottom: none;
    }
    
    .auth-buttons {
        display: none;
    }
    
    .auth-buttons.active {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        padding: 1rem 1.5rem;
        background-color: #f5f5f7;
    }
    
    .auth-buttons.active button {
        width: 100%;
        text-align: center;
        padding: 0.8rem;
    }
    
    .mobile-menu-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .features h2, 
    .how-it-works h2, 
    .testimonials h2, 
    .cta h2, 
    .about-header h1 {
        font-size: 1.6rem;
    }
    
    .about-content h2 {
        font-size: 1.6rem;
    }
    
    .about-content h3 {
        font-size: 1.3rem;
    }
    
    .feature-card, 
    .step, 
    .testimonial-content {
        padding: 1.25rem;
    }
    
    .placeholder-image {
        height: 180px;
    }
    
    .placeholder-member {
        width: 130px;
        height: 130px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
}

.about-content {
    flex: 1;
    min-width: 300px;
    padding: 1rem;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    position: relative;
}

.about-content h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.about-content h3 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--dark-color);
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.05rem;
}

.about-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.about-content ul li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.8rem;
    line-height: 1.6;
}

.about-content ul li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -0.3rem;
}

/* Estilos para página de Análise */
.analyze-header {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 2rem 3rem;
    text-align: center;
}

.analyze-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.analyze-header p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.analyze-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.analyze-container {
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
    margin-top: -3rem;
}

.analyze-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
}

.analyze-tab {
    padding: 1rem 1.5rem;
    margin-right: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.analyze-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.upload-area {
    border: 2px dashed #ddd;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(82, 82, 224, 0.03);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.upload-area h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.file-input {
    display: none;
}

.upload-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.upload-btn:hover {
    background-color: var(--secondary-color);
}

.or-divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--text-light);
}

.or-divider::before, .or-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: #eee;
}

.or-divider span {
    padding: 0 1rem;
}

.url-input-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.url-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.url-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(82, 82, 224, 0.2);
}

.analyze-features {
    background-color: #f5f7ff;
    padding: 4rem 2rem;
    text-align: center;
}

.analyze-features h2 {
    font-size: 2.2rem;
    margin-bottom: 3rem;
}

/* Responsividade para página de análise */
@media (max-width: 768px) {
    .analyze-header {
        padding: 3rem 1.5rem 2rem;
    }
    
    .analyze-header h1 {
        font-size: 2rem;
    }
    
    .analyze-header p {
        font-size: 1.1rem;
    }
    
    .analyze-section {
        padding: 2rem 1rem;
    }
    
    .analyze-container {
        padding: 1.5rem;
        margin-top: -2rem;
    }
    
    .analyze-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        padding-bottom: 0.5rem;
    }
    
    .analyze-tab {
        padding: 0.75rem 1rem;
        margin-right: 0.5rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-area i {
        font-size: 2.5rem;
    }
    
    .upload-area h3 {
        font-size: 1.3rem;
    }
    
    .url-input-container {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .upload-btn, .primary-btn {
        width: 100%;
    }
    
    .analyze-features {
        padding: 3rem 1.5rem;
    }
    
    .analyze-features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .analyze-header h1 {
        font-size: 1.8rem;
    }
    
    .analyze-header p {
        font-size: 1rem;
    }
    
    .analyze-container {
        padding: 1.25rem;
        border-radius: 12px;
    }
    
    .upload-area {
        padding: 1.5rem 1rem;
    }
    
    .upload-area i {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .upload-area h3 {
        font-size: 1.2rem;
    }
    
    .analyze-features h2 {
        font-size: 1.6rem;
    }
}

.language-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
    transition: var(--transition);
}

.language-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.language-menu {
    display: none;
    position: absolute;
    top: 60px;
    right: 150px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    overflow: hidden;
}

.language-menu.active {
    display: block;
}

.language-menu a {
    display: block;
    padding: 12px 16px;
    border-bottom: 1px solid #f0f0f0;
    transition: var(--transition);
}

.language-menu a:last-child {
    border-bottom: none;
}

.language-menu a:hover {
    background-color: #f5f5f7;
}

.language-menu a.active {
    background-color: #f0f0ff;
    color: var(--primary-color);
    font-weight: 500;
}

/* Navegação para index.html e about.html */
.main-menu {
    display: flex;
}

.main-menu li {
    margin: 0 1rem;
}

.main-menu a {
    font-weight: 500;
    transition: var(--transition);
}

.main-menu a:hover {
    color: var(--primary-color);
}

/* Footer */
.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 450px;
    width: 100%;
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    gap: 0.5rem;
}

.google-btn:hover {
    background-color: #f5f5f5;
}

.google-btn i {
    color: #4285F4;
    font-size: 1.25rem;
}

/* Seção Como Funciona */
.how-it-works {
    padding: 5rem 2rem;
    background-color: #f5f7ff;
    text-align: center;
    position: relative;
}

.how-it-works:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(0deg, white, transparent);
    z-index: 1;
}

.how-it-works h2 {
    font-size: 2.3rem;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 2;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: left;
    position: relative;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(82, 82, 224, 0.3);
}

.step h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta, .about-cta {
    background: #5252e0;
    padding: 5rem 2rem;
    text-align: center;
    margin-top: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta h2, .about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.cta p, .about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.cta .primary-btn, .about-cta .primary-btn {
    background-color: white;
    color: #5252e0;
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.cta .primary-btn:hover, .about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Estilos para a página About */
.about-header {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background: linear-gradient(180deg, #f5f7ff, white);
    position: relative;
}

.about-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), #000000);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-header p {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #eee;
    gap: 3rem;
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    object-fit: cover;
}

/* Placeholders para imagens */
.placeholder-image {
    background-color: #f0f0f5;
    height: 300px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 2px dashed rgba(82, 82, 224, 0.3);
    font-size: 1.5rem;
    margin: 1rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.placeholder-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
    border-color: rgba(82, 82, 224, 0.5);
}

.placeholder-member {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: #f0f0f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 5px solid white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    font-size: 1.2rem;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.team-member:hover .placeholder-member {
    box-shadow: 0 12px 30px rgba(82, 82, 224, 0.3);
    border-color: #f8f8ff;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 300px;
    margin: 0 auto;
    line-height: 1.6;
}

/* CTA na página About */
.about-cta {
    background: linear-gradient(45deg, var(--primary-color), #5252e0);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    overflow: hidden;
}

.about-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
    background-size: 150px;
}

.about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn {
    background-color: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .cta-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        width: 100%;
        justify-content: space-between;
    }

    .about-section {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }
    
    .about-section.reverse {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 1.5rem;
    }
    
    .about-content h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-content ul {
        display: inline-block;
        text-align: left;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    header {
        padding: 0.75rem 1rem;
        position: fixed;
        width: 100%;
        top: 0;
        background-color: white;
    }
    
    .logo a {
        font-size: 1.5rem;
    }
    
    main {
        margin-top: 60px;
    }
    
    .hero {
        padding: 2rem 1rem;
        gap: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    .hero-buttons a {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .features {
        padding: 2.5rem 1rem;
    }
    
    .features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .feature-card {
        margin-bottom: 1.5rem;
        padding: 1.5rem;
    }
    
    .how-it-works {
        padding: 2.5rem 1rem;
    }
    
    .how-it-works h2 {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    .step {
        margin-bottom: 2.5rem;
        padding-top: 2rem;
    }
    
    .step-number {
        top: -15px;
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .testimonials {
        padding: 2.5rem 1rem;
    }
    
    .testimonials h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .testimonial-content {
        padding: 1.5rem;
    }
    
    .cta {
        padding: 2.5rem 1rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
    
    .cta p {
        font-size: 1rem;
    }
    
    footer {
        padding: 2.5rem 1rem 1.5rem;
    }
    
    .footer-logo h3 {
        font-size: 1.5rem;
    }
    
    .footer-links-column {
        margin-bottom: 1.5rem;
        min-width: 140px;
    }
    
    .about-header {
        padding: 2.5rem 1rem 2rem;
    }
    
    .about-header h1 {
        font-size: 2rem;
    }
    
    .about-header p {
        font-size: 1rem;
    }
    
    .about-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-image {
        height: 200px;
        margin: 0.5rem 0 1.5rem;
    }
    
    .about-content h2 {
        font-size: 1.8rem;
    }
    
    .about-content h3 {
        font-size: 1.4rem;
    }
    
    .about-content p {
        font-size: 1rem;
    }
    
    .team-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-member {
        width: 150px;
        height: 150px;
    }
    
    .about-cta {
        padding: 2.5rem 1rem;
    }
    
    .about-cta h2 {
        font-size: 1.8rem;
    }
    
    .main-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        z-index: 100;
        flex-direction: column;
    }
    
    .main-menu.active {
        display: flex;
    }
    
    .main-menu li {
        margin: 0;
    }
    
    .main-menu li a {
        display: block;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .main-menu li:last-child a {
        border-bottom: none;
    }
    
    .auth-buttons {
        display: none;
    }
    
    .auth-buttons.active {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        padding: 1rem 1.5rem;
        background-color: #f5f5f7;
    }
    
    .auth-buttons.active button {
        width: 100%;
        text-align: center;
        padding: 0.8rem;
    }
    
    .mobile-menu-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .features h2, 
    .how-it-works h2, 
    .testimonials h2, 
    .cta h2, 
    .about-header h1 {
        font-size: 1.6rem;
    }
    
    .about-content h2 {
        font-size: 1.6rem;
    }
    
    .about-content h3 {
        font-size: 1.3rem;
    }
    
    .feature-card, 
    .step, 
    .testimonial-content {
        padding: 1.25rem;
    }
    
    .placeholder-image {
        height: 180px;
    }
    
    .placeholder-member {
        width: 130px;
        height: 130px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
}

.about-content {
    flex: 1;
    min-width: 300px;
    padding: 1rem;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    position: relative;
}

.about-content h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.about-content h3 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--dark-color);
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.05rem;
}

.about-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.about-content ul li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.8rem;
    line-height: 1.6;
}

.about-content ul li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -0.3rem;
}

/* Estilos para página de Análise */
.analyze-header {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 2rem 3rem;
    text-align: center;
}

.analyze-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.analyze-header p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.analyze-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.analyze-container {
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
    margin-top: -3rem;
}

.analyze-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
}

.analyze-tab {
    padding: 1rem 1.5rem;
    margin-right: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.analyze-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.upload-area {
    border: 2px dashed #ddd;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(82, 82, 224, 0.03);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.upload-area h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.file-input {
    display: none;
}

.upload-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.upload-btn:hover {
    background-color: var(--secondary-color);
}

.or-divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--text-light);
}

.or-divider::before, .or-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: #eee;
}

.or-divider span {
    padding: 0 1rem;
}

.url-input-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.url-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.url-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(82, 82, 224, 0.2);
}

.analyze-features {
    background-color: #f5f7ff;
    padding: 4rem 2rem;
    text-align: center;
}

.analyze-features h2 {
    font-size: 2.2rem;
    margin-bottom: 3rem;
}

/* Responsividade para página de análise */
@media (max-width: 768px) {
    .analyze-header {
        padding: 3rem 1.5rem 2rem;
    }
    
    .analyze-header h1 {
        font-size: 2rem;
    }
    
    .analyze-header p {
        font-size: 1.1rem;
    }
    
    .analyze-section {
        padding: 2rem 1rem;
    }
    
    .analyze-container {
        padding: 1.5rem;
        margin-top: -2rem;
    }
    
    .analyze-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        padding-bottom: 0.5rem;
    }
    
    .analyze-tab {
        padding: 0.75rem 1rem;
        margin-right: 0.5rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-area i {
        font-size: 2.5rem;
    }
    
    .upload-area h3 {
        font-size: 1.3rem;
    }
    
    .url-input-container {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .upload-btn, .primary-btn {
        width: 100%;
    }
    
    .analyze-features {
        padding: 3rem 1.5rem;
    }
    
    .analyze-features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .analyze-header h1 {
        font-size: 1.8rem;
    }
    
    .analyze-header p {
        font-size: 1rem;
    }
    
    .analyze-container {
        padding: 1.25rem;
        border-radius: 12px;
    }
    
    .upload-area {
        padding: 1.5rem 1rem;
    }
    
    .upload-area i {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .upload-area h3 {
        font-size: 1.2rem;
    }
    
    .analyze-features h2 {
        font-size: 1.6rem;
    }
}

.language-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
    transition: var(--transition);
}

.language-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.language-menu {
    display: none;
    position: absolute;
    top: 60px;
    right: 150px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    overflow: hidden;
}

.language-menu.active {
    display: block;
}

.language-menu a {
    display: block;
    padding: 12px 16px;
    border-bottom: 1px solid #f0f0f0;
    transition: var(--transition);
}

.language-menu a:last-child {
    border-bottom: none;
}

.language-menu a:hover {
    background-color: #f5f5f7;
}

.language-menu a.active {
    background-color: #f0f0ff;
    color: var(--primary-color);
    font-weight: 500;
}

/* Navegação para index.html e about.html */
.main-menu {
    display: flex;
}

.main-menu li {
    margin: 0 1rem;
}

.main-menu a {
    font-weight: 500;
    transition: var(--transition);
}

.main-menu a:hover {
    color: var(--primary-color);
}

/* Footer */
.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 450px;
    width: 100%;
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    gap: 0.5rem;
}

.google-btn:hover {
    background-color: #f5f5f5;
}

.google-btn i {
    color: #4285F4;
    font-size: 1.25rem;
}

/* Seção Como Funciona */
.how-it-works {
    padding: 5rem 2rem;
    background-color: #f5f7ff;
    text-align: center;
    position: relative;
}

.how-it-works:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(0deg, white, transparent);
    z-index: 1;
}

.how-it-works h2 {
    font-size: 2.3rem;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 2;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: left;
    position: relative;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(82, 82, 224, 0.3);
}

.step h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta, .about-cta {
    background: #5252e0;
    padding: 5rem 2rem;
    text-align: center;
    margin-top: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta h2, .about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.cta p, .about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.cta .primary-btn, .about-cta .primary-btn {
    background-color: white;
    color: #5252e0;
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.cta .primary-btn:hover, .about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Estilos para a página About */
.about-header {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background: linear-gradient(180deg, #f5f7ff, white);
    position: relative;
}

.about-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), #000000);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-header p {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #eee;
    gap: 3rem;
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    object-fit: cover;
}

/* Placeholders para imagens */
.placeholder-image {
    background-color: #f0f0f5;
    height: 300px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 2px dashed rgba(82, 82, 224, 0.3);
    font-size: 1.5rem;
    margin: 1rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.placeholder-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
    border-color: rgba(82, 82, 224, 0.5);
}

.placeholder-member {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: #f0f0f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 5px solid white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    font-size: 1.2rem;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.team-member:hover .placeholder-member {
    box-shadow: 0 12px 30px rgba(82, 82, 224, 0.3);
    border-color: #f8f8ff;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 300px;
    margin: 0 auto;
    line-height: 1.6;
}

/* CTA na página About */
.about-cta {
    background: linear-gradient(45deg, var(--primary-color), #5252e0);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    overflow: hidden;
}

.about-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
    background-size: 150px;
}

.about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn {
    background-color: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .cta-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        width: 100%;
        justify-content: space-between;
    }

    .about-section {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }
    
    .about-section.reverse {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 1.5rem;
    }
    
    .about-content h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-content ul {
        display: inline-block;
        text-align: left;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    header {
        padding: 0.75rem 1rem;
        position: fixed;
        width: 100%;
        top: 0;
        background-color: white;
    }
    
    .logo a {
        font-size: 1.5rem;
    }
    
    main {
        margin-top: 60px;
    }
    
    .hero {
        padding: 2rem 1rem;
        gap: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    .hero-buttons a {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .features {
        padding: 2.5rem 1rem;
    }
    
    .features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .feature-card {
        margin-bottom: 1.5rem;
        padding: 1.5rem;
    }
    
    .how-it-works {
        padding: 2.5rem 1rem;
    }
    
    .how-it-works h2 {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    .step {
        margin-bottom: 2.5rem;
        padding-top: 2rem;
    }
    
    .step-number {
        top: -15px;
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .testimonials {
        padding: 2.5rem 1rem;
    }
    
    .testimonials h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .testimonial-content {
        padding: 1.5rem;
    }
    
    .cta {
        padding: 2.5rem 1rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
    
    .cta p {
        font-size: 1rem;
    }
    
    footer {
        padding: 2.5rem 1rem 1.5rem;
    }
    
    .footer-logo h3 {
        font-size: 1.5rem;
    }
    
    .footer-links-column {
        margin-bottom: 1.5rem;
        min-width: 140px;
    }
    
    .about-header {
        padding: 2.5rem 1rem 2rem;
    }
    
    .about-header h1 {
        font-size: 2rem;
    }
    
    .about-header p {
        font-size: 1rem;
    }
    
    .about-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-image {
        height: 200px;
        margin: 0.5rem 0 1.5rem;
    }
    
    .about-content h2 {
        font-size: 1.8rem;
    }
    
    .about-content h3 {
        font-size: 1.4rem;
    }
    
    .about-content p {
        font-size: 1rem;
    }
    
    .team-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-member {
        width: 150px;
        height: 150px;
    }
    
    .about-cta {
        padding: 2.5rem 1rem;
    }
    
    .about-cta h2 {
        font-size: 1.8rem;
    }
    
    .main-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        z-index: 100;
        flex-direction: column;
    }
    
    .main-menu.active {
        display: flex;
    }
    
    .main-menu li {
        margin: 0;
    }
    
    .main-menu li a {
        display: block;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .main-menu li:last-child a {
        border-bottom: none;
    }
    
    .auth-buttons {
        display: none;
    }
    
    .auth-buttons.active {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        padding: 1rem 1.5rem;
        background-color: #f5f5f7;
    }
    
    .auth-buttons.active button {
        width: 100%;
        text-align: center;
        padding: 0.8rem;
    }
    
    .mobile-menu-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .features h2, 
    .how-it-works h2, 
    .testimonials h2, 
    .cta h2, 
    .about-header h1 {
        font-size: 1.6rem;
    }
    
    .about-content h2 {
        font-size: 1.6rem;
    }
    
    .about-content h3 {
        font-size: 1.3rem;
    }
    
    .feature-card, 
    .step, 
    .testimonial-content {
        padding: 1.25rem;
    }
    
    .placeholder-image {
        height: 180px;
    }
    
    .placeholder-member {
        width: 130px;
        height: 130px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
}

.about-content {
    flex: 1;
    min-width: 300px;
    padding: 1rem;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    position: relative;
}

.about-content h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.about-content h3 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--dark-color);
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.05rem;
}

.about-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.about-content ul li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.8rem;
    line-height: 1.6;
}

.about-content ul li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -0.3rem;
}

/* Estilos para página de Análise */
.analyze-header {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 2rem 3rem;
    text-align: center;
}

.analyze-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.analyze-header p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.analyze-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.analyze-container {
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
    margin-top: -3rem;
}

.analyze-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
}

.analyze-tab {
    padding: 1rem 1.5rem;
    margin-right: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.analyze-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.upload-area {
    border: 2px dashed #ddd;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(82, 82, 224, 0.03);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.upload-area h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.file-input {
    display: none;
}

.upload-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.upload-btn:hover {
    background-color: var(--secondary-color);
}

.or-divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--text-light);
}

.or-divider::before, .or-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: #eee;
}

.or-divider span {
    padding: 0 1rem;
}

.url-input-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.url-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.url-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(82, 82, 224, 0.2);
}

.analyze-features {
    background-color: #f5f7ff;
    padding: 4rem 2rem;
    text-align: center;
}

.analyze-features h2 {
    font-size: 2.2rem;
    margin-bottom: 3rem;
}

/* Responsividade para página de análise */
@media (max-width: 768px) {
    .analyze-header {
        padding: 3rem 1.5rem 2rem;
    }
    
    .analyze-header h1 {
        font-size: 2rem;
    }
    
    .analyze-header p {
        font-size: 1.1rem;
    }
    
    .analyze-section {
        padding: 2rem 1rem;
    }
    
    .analyze-container {
        padding: 1.5rem;
        margin-top: -2rem;
    }
    
    .analyze-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        padding-bottom: 0.5rem;
    }
    
    .analyze-tab {
        padding: 0.75rem 1rem;
        margin-right: 0.5rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-area i {
        font-size: 2.5rem;
    }
    
    .upload-area h3 {
        font-size: 1.3rem;
    }
    
    .url-input-container {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .upload-btn, .primary-btn {
        width: 100%;
    }
    
    .analyze-features {
        padding: 3rem 1.5rem;
    }
    
    .analyze-features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .analyze-header h1 {
        font-size: 1.8rem;
    }
    
    .analyze-header p {
        font-size: 1rem;
    }
    
    .analyze-container {
        padding: 1.25rem;
        border-radius: 12px;
    }
    
    .upload-area {
        padding: 1.5rem 1rem;
    }
    
    .upload-area i {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .upload-area h3 {
        font-size: 1.2rem;
    }
    
    .analyze-features h2 {
        font-size: 1.6rem;
    }
}

.language-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
    transition: var(--transition);
}

.language-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.language-menu {
    display: none;
    position: absolute;
    top: 60px;
    right: 150px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    overflow: hidden;
}

.language-menu.active {
    display: block;
}

.language-menu a {
    display: block;
    padding: 12px 16px;
    border-bottom: 1px solid #f0f0f0;
    transition: var(--transition);
}

.language-menu a:last-child {
    border-bottom: none;
}

.language-menu a:hover {
    background-color: #f5f5f7;
}

.language-menu a.active {
    background-color: #f0f0ff;
    color: var(--primary-color);
    font-weight: 500;
}

/* Navegação para index.html e about.html */
.main-menu {
    display: flex;
}

.main-menu li {
    margin: 0 1rem;
}

.main-menu a {
    font-weight: 500;
    transition: var(--transition);
}

.main-menu a:hover {
    color: var(--primary-color);
}

/* Footer */
.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 450px;
    width: 100%;
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    gap: 0.5rem;
}

.google-btn:hover {
    background-color: #f5f5f5;
}

.google-btn i {
    color: #4285F4;
    font-size: 1.25rem;
}

/* Seção Como Funciona */
.how-it-works {
    padding: 5rem 2rem;
    background-color: #f5f7ff;
    text-align: center;
    position: relative;
}

.how-it-works:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(0deg, white, transparent);
    z-index: 1;
}

.how-it-works h2 {
    font-size: 2.3rem;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 2;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: left;
    position: relative;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(82, 82, 224, 0.3);
}

.step h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta, .about-cta {
    background: #5252e0;
    padding: 5rem 2rem;
    text-align: center;
    margin-top: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta h2, .about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.cta p, .about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.cta .primary-btn, .about-cta .primary-btn {
    background-color: white;
    color: #5252e0;
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.cta .primary-btn:hover, .about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Estilos para a página About */
.about-header {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background: linear-gradient(180deg, #f5f7ff, white);
    position: relative;
}

.about-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), #000000);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-header p {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #eee;
    gap: 3rem;
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    object-fit: cover;
}

/* Placeholders para imagens */
.placeholder-image {
    background-color: #f0f0f5;
    height: 300px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 2px dashed rgba(82, 82, 224, 0.3);
    font-size: 1.5rem;
    margin: 1rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.placeholder-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
    border-color: rgba(82, 82, 224, 0.5);
}

.placeholder-member {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: #f0f0f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 5px solid white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    font-size: 1.2rem;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.team-member:hover .placeholder-member {
    box-shadow: 0 12px 30px rgba(82, 82, 224, 0.3);
    border-color: #f8f8ff;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 300px;
    margin: 0 auto;
    line-height: 1.6;
}

/* CTA na página About */
.about-cta {
    background: linear-gradient(45deg, var(--primary-color), #5252e0);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    overflow: hidden;
}

.about-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
    background-size: 150px;
}

.about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn {
    background-color: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .cta-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        width: 100%;
        justify-content: space-between;
    }

    .about-section {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }
    
    .about-section.reverse {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 1.5rem;
    }
    
    .about-content h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-content ul {
        display: inline-block;
        text-align: left;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    header {
        padding: 0.75rem 1rem;
        position: fixed;
        width: 100%;
        top: 0;
        background-color: white;
    }
    
    .logo a {
        font-size: 1.5rem;
    }
    
    main {
        margin-top: 60px;
    }
    
    .hero {
        padding: 2rem 1rem;
        gap: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    .hero-buttons a {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .features {
        padding: 2.5rem 1rem;
    }
    
    .features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .feature-card {
        margin-bottom: 1.5rem;
        padding: 1.5rem;
    }
    
    .how-it-works {
        padding: 2.5rem 1rem;
    }
    
    .how-it-works h2 {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    .step {
        margin-bottom: 2.5rem;
        padding-top: 2rem;
    }
    
    .step-number {
        top: -15px;
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .testimonials {
        padding: 2.5rem 1rem;
    }
    
    .testimonials h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .testimonial-content {
        padding: 1.5rem;
    }
    
    .cta {
        padding: 2.5rem 1rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
    
    .cta p {
        font-size: 1rem;
    }
    
    footer {
        padding: 2.5rem 1rem 1.5rem;
    }
    
    .footer-logo h3 {
        font-size: 1.5rem;
    }
    
    .footer-links-column {
        margin-bottom: 1.5rem;
        min-width: 140px;
    }
    
    .about-header {
        padding: 2.5rem 1rem 2rem;
    }
    
    .about-header h1 {
        font-size: 2rem;
    }
    
    .about-header p {
        font-size: 1rem;
    }
    
    .about-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-image {
        height: 200px;
        margin: 0.5rem 0 1.5rem;
    }
    
    .about-content h2 {
        font-size: 1.8rem;
    }
    
    .about-content h3 {
        font-size: 1.4rem;
    }
    
    .about-content p {
        font-size: 1rem;
    }
    
    .team-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-member {
        width: 150px;
        height: 150px;
    }
    
    .about-cta {
        padding: 2.5rem 1rem;
    }
    
    .about-cta h2 {
        font-size: 1.8rem;
    }
    
    .main-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        z-index: 100;
        flex-direction: column;
    }
    
    .main-menu.active {
        display: flex;
    }
    
    .main-menu li {
        margin: 0;
    }
    
    .main-menu li a {
        display: block;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .main-menu li:last-child a {
        border-bottom: none;
    }
    
    .auth-buttons {
        display: none;
    }
    
    .auth-buttons.active {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        padding: 1rem 1.5rem;
        background-color: #f5f5f7;
    }
    
    .auth-buttons.active button {
        width: 100%;
        text-align: center;
        padding: 0.8rem;
    }
    
    .mobile-menu-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .features h2, 
    .how-it-works h2, 
    .testimonials h2, 
    .cta h2, 
    .about-header h1 {
        font-size: 1.6rem;
    }
    
    .about-content h2 {
        font-size: 1.6rem;
    }
    
    .about-content h3 {
        font-size: 1.3rem;
    }
    
    .feature-card, 
    .step, 
    .testimonial-content {
        padding: 1.25rem;
    }
    
    .placeholder-image {
        height: 180px;
    }
    
    .placeholder-member {
        width: 130px;
        height: 130px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
}

.about-content {
    flex: 1;
    min-width: 300px;
    padding: 1rem;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    position: relative;
}

.about-content h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.about-content h3 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--dark-color);
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.05rem;
}

.about-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.about-content ul li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.8rem;
    line-height: 1.6;
}

.about-content ul li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -0.3rem;
}

/* Estilos para página de Análise */
.analyze-header {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 2rem 3rem;
    text-align: center;
}

.analyze-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.analyze-header p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.analyze-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.analyze-container {
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
    margin-top: -3rem;
}

.analyze-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
}

.analyze-tab {
    padding: 1rem 1.5rem;
    margin-right: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.analyze-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.upload-area {
    border: 2px dashed #ddd;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(82, 82, 224, 0.03);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.upload-area h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.file-input {
    display: none;
}

.upload-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.upload-btn:hover {
    background-color: var(--secondary-color);
}

.or-divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--text-light);
}

.or-divider::before, .or-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: #eee;
}

.or-divider span {
    padding: 0 1rem;
}

.url-input-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.url-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.url-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(82, 82, 224, 0.2);
}

/* Reset e estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #5252e0;
    --secondary-color: #7c7ce4;
    --dark-color: #14141f;
    --light-color: #f5f5f7;
    --text-color: #333;
    --text-light: #777;
    --border-radius: 8px;
    --box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    --card-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
    --gradient-primary: linear-gradient(90deg, var(--primary-color), #7373f0);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fafafa;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
    font-size: 1rem;
}

/* Cabeçalho */
header {
    position: sticky;
    top: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    z-index: 100;
}

.logo a {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    transition: var(--transition);
}

.logo a:hover {
    opacity: 0.9;
}

.main-menu {
    display: flex;
}

.main-menu li {
    margin: 0 1rem;
}

.main-menu a {
    font-weight: 500;
    transition: var(--transition);
}

.main-menu a:hover {
    color: var(--primary-color);
}

.highlight-btn {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
}

.auth-buttons {
    display: flex;
    gap: 1rem;
}

.auth-buttons button, .primary-btn, .secondary-btn {
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    padding: 0.6rem 1.5rem;
}

#login-btn {
    background-color: transparent;
    color: var(--text-color);
}

.primary-btn {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 12px rgba(82, 82, 224, 0.25);
}

.primary-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(82, 82, 224, 0.35);
}

.secondary-btn {
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
}

.secondary-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Seção Hero */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    gap: 2rem;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.2rem;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
}

.hero-image {
    flex: 1;
    position: relative;
    max-width: 500px;
}

.hero-image img {
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.5s ease;
}

.hero-image img:hover {
    transform: perspective(1000px) rotateY(0deg);
}

/* Seção de recursos */
.features {
    padding: 5rem 2rem;
    background-color: #f5f5f7;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.features:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 150px;
    background: linear-gradient(180deg, white, transparent);
    z-index: 1;
}

.features h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 3rem;
    position: relative;
    z-index: 2;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.feature-card {
    background-color: white;
    padding: 2.5rem 2rem;
    border-radius: 15px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.feature-card i {
    font-size: 2.75rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    transition: transform 0.5s ease;
}

.feature-card:hover i {
    transform: scale(1.15);
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.feature-card p {
    color: var(--text-light);
    margin-top: auto;
}

/* Galeria */
.gallery {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.gallery h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 3rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    overflow: hidden;
    border-radius: 8px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.gallery-item:hover {
    transform: scale(1.03);
}

/* Seção de depoimentos */
.testimonials {
    padding: 5rem 2rem;
    text-align: center;
    background-color: white;
    position: relative;
}

.testimonials h2 {
    font-size: 2.3rem;
    margin-bottom: 3rem;
    color: var(--dark-color);
}

.testimonials-carousel {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    overflow: hidden;
}

.testimonial {
    padding: 1rem;
    display: none;
    transition: all 0.3s ease;
}

.testimonial.active {
    display: block;
}

.testimonial-content {
    background-color: #f5f7ff;
    padding: 2.5rem;
    border-radius: 16px;
    margin-bottom: 2rem;
    position: relative;
    box-shadow: var(--box-shadow);
}

.testimonial-content:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50px;
    width: 20px;
    height: 20px;
    background-color: #f5f7ff;
    transform: rotate(45deg);
}

.testimonial-content p {
    font-style: italic;
    line-height: 1.7;
    font-size: 1.15rem;
    color: var(--text-color);
}

.testimonial-author {
    display: flex;
    align-items: center;
    padding-left: 30px;
}

.testimonial-author img {
    width: 65px;
    height: 65px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 1.2rem;
    border: 3px solid white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

.testimonial-author div {
    text-align: left;
}

.testimonial-author h4 {
    font-size: 1.2rem;
    margin: 0;
    color: var(--primary-color);
}

.testimonial-author p {
    margin: 0;
    color: var(--text-light);
}

.carousel-dots {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

.dot {
    height: 12px;
    width: 12px;
    background-color: #ddd;
    border-radius: 50%;
    margin: 0 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background-color: var(--primary-color);
    transform: scale(1.2);
}

/* Rodapé */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 4rem 2rem 2rem;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
}

.footer-logo h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.footer-logo p {
    color: #aaa;
    max-width: 300px;
    font-size: 0.95rem;
}

.footer-links {
    display: flex;
    gap: 3rem;
    flex-wrap: wrap;
}

.footer-links-column h4 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: #eee;
}

.footer-links-column ul li {
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.footer-links-column ul li a {
    color: #aaa;
    transition: var(--transition);
}

.footer-links-column ul li a:hover {
    color: white;
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icons a {
    color: #aaa;
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-icons a:hover {
    color: white;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

.footer-bottom p {
    content: "© 2025 kotlr.ai. All rights reserved.";
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 450px;
    width: 100%;
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    gap: 0.5rem;
}

.google-btn:hover {
    background-color: #f5f5f5;
}

.google-btn i {
    color: #4285F4;
    font-size: 1.25rem;
}

/* Seção Como Funciona */
.how-it-works {
    padding: 5rem 2rem;
    background-color: #f5f7ff;
    text-align: center;
    position: relative;
}

.how-it-works:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(0deg, white, transparent);
    z-index: 1;
}

.how-it-works h2 {
    font-size: 2.3rem;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 2;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: left;
    position: relative;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(82, 82, 224, 0.3);
}

.step h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta, .about-cta {
    background: #5252e0;
    padding: 5rem 2rem;
    text-align: center;
    margin-top: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta h2, .about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.cta p, .about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.cta .primary-btn, .about-cta .primary-btn {
    background-color: white;
    color: #5252e0;
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.cta .primary-btn:hover, .about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Estilos para a página About */
.about-header {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background: linear-gradient(180deg, #f5f7ff, white);
    position: relative;
}

.about-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), #000000);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-header p {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #eee;
    gap: 3rem;
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    object-fit: cover;
}

/* Placeholders para imagens */
.placeholder-image {
    background-color: #f0f0f5;
    height: 300px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 2px dashed rgba(82, 82, 224, 0.3);
    font-size: 1.5rem;
    margin: 1rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.placeholder-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
    border-color: rgba(82, 82, 224, 0.5);
}

.placeholder-member {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: #f0f0f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 5px solid white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    font-size: 1.2rem;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.team-member:hover .placeholder-member {
    box-shadow: 0 12px 30px rgba(82, 82, 224, 0.3);
    border-color: #f8f8ff;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 300px;
    margin: 0 auto;
    line-height: 1.6;
}

/* CTA na página About */
.about-cta {
    background: linear-gradient(45deg, var(--primary-color), #5252e0);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    overflow: hidden;
}

.about-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
    background-size: 150px;
}

.about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn {
    background-color: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .cta-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        width: 100%;
        justify-content: space-between;
    }

    .about-section {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }
    
    .about-section.reverse {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 1.5rem;
    }
    
    .about-content h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-content ul {
        display: inline-block;
        text-align: left;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    header {
        padding: 0.75rem 1rem;
        position: fixed;
        width: 100%;
        top: 0;
        background-color: white;
    }
    
    .logo a {
        font-size: 1.5rem;
    }
    
    main {
        margin-top: 60px;
    }
    
    .hero {
        padding: 2rem 1rem;
        gap: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    .hero-buttons a {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .features {
        padding: 2.5rem 1rem;
    }
    
    .features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .feature-card {
        margin-bottom: 1.5rem;
        padding: 1.5rem;
    }
    
    .how-it-works {
        padding: 2.5rem 1rem;
    }
    
    .how-it-works h2 {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    .step {
        margin-bottom: 2.5rem;
        padding-top: 2rem;
    }
    
    .step-number {
        top: -15px;
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .testimonials {
        padding: 2.5rem 1rem;
    }
    
    .testimonials h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .testimonial-content {
        padding: 1.5rem;
    }
    
    .cta {
        padding: 2.5rem 1rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
    
    .cta p {
        font-size: 1rem;
    }
    
    footer {
        padding: 2.5rem 1rem 1.5rem;
    }
    
    .footer-logo h3 {
        font-size: 1.5rem;
    }
    
    .footer-links-column {
        margin-bottom: 1.5rem;
        min-width: 140px;
    }
    
    .about-header {
        padding: 2.5rem 1rem 2rem;
    }
    
    .about-header h1 {
        font-size: 2rem;
    }
    
    .about-header p {
        font-size: 1rem;
    }
    
    .about-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-image {
        height: 200px;
        margin: 0.5rem 0 1.5rem;
    }
    
    .about-content h2 {
        font-size: 1.8rem;
    }
    
    .about-content h3 {
        font-size: 1.4rem;
    }
    
    .about-content p {
        font-size: 1rem;
    }
    
    .team-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-member {
        width: 150px;
        height: 150px;
    }
    
    .about-cta {
        padding: 2.5rem 1rem;
    }
    
    .about-cta h2 {
        font-size: 1.8rem;
    }
    
    .main-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        z-index: 100;
        flex-direction: column;
    }
    
    .main-menu.active {
        display: flex;
    }
    
    .main-menu li {
        margin: 0;
    }
    
    .main-menu li a {
        display: block;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .main-menu li:last-child a {
        border-bottom: none;
    }
    
    .auth-buttons {
        display: none;
    }
    
    .auth-buttons.active {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        padding: 1rem 1.5rem;
        background-color: #f5f5f7;
    }
    
    .auth-buttons.active button {
        width: 100%;
        text-align: center;
        padding: 0.8rem;
    }
    
    .mobile-menu-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .features h2, 
    .how-it-works h2, 
    .testimonials h2, 
    .cta h2, 
    .about-header h1 {
        font-size: 1.6rem;
    }
    
    .about-content h2 {
        font-size: 1.6rem;
    }
    
    .about-content h3 {
        font-size: 1.3rem;
    }
    
    .feature-card, 
    .step, 
    .testimonial-content {
        padding: 1.25rem;
    }
    
    .placeholder-image {
        height: 180px;
    }
    
    .placeholder-member {
        width: 130px;
        height: 130px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
}

.about-content {
    flex: 1;
    min-width: 300px;
    padding: 1rem;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    position: relative;
}

.about-content h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.about-content h3 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--dark-color);
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.05rem;
}

.about-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.about-content ul li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.8rem;
    line-height: 1.6;
}

.about-content ul li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -0.3rem;
}

/* Estilos para página de Análise */
.analyze-header {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 2rem 3rem;
    text-align: center;
}

.analyze-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.analyze-header p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.analyze-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.analyze-container {
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
    margin-top: -3rem;
}

.analyze-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
}

.analyze-tab {
    padding: 1rem 1.5rem;
    margin-right: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.analyze-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.upload-area {
    border: 2px dashed #ddd;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(82, 82, 224, 0.03);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.upload-area h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.file-input {
    display: none;
}

.upload-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.upload-btn:hover {
    background-color: var(--secondary-color);
}

.or-divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--text-light);
}

.or-divider::before, .or-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: #eee;
}

.or-divider span {
    padding: 0 1rem;
}

.url-input-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.url-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.url-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(82, 82, 224, 0.2);
}

.analyze-features {
    background-color: #f5f7ff;
    padding: 4rem 2rem;
    text-align: center;
}

.analyze-features h2 {
    font-size: 2.2rem;
    margin-bottom: 3rem;
}

/* Responsividade para página de análise */
@media (max-width: 768px) {
    .analyze-header {
        padding: 3rem 1.5rem 2rem;
    }
    
    .analyze-header h1 {
        font-size: 2rem;
    }
    
    .analyze-header p {
        font-size: 1.1rem;
    }
    
    .analyze-section {
        padding: 2rem 1rem;
    }
    
    .analyze-container {
        padding: 1.5rem;
        margin-top: -2rem;
    }
    
    .analyze-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        padding-bottom: 0.5rem;
    }
    
    .analyze-tab {
        padding: 0.75rem 1rem;
        margin-right: 0.5rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-area i {
        font-size: 2.5rem;
    }
    
    .upload-area h3 {
        font-size: 1.3rem;
    }
    
    .url-input-container {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .upload-btn, .primary-btn {
        width: 100%;
    }
    
    .analyze-features {
        padding: 3rem 1.5rem;
    }
    
    .analyze-features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .analyze-header h1 {
        font-size: 1.8rem;
    }
    
    .analyze-header p {
        font-size: 1rem;
    }
    
    .analyze-container {
        padding: 1.25rem;
        border-radius: 12px;
    }
    
    .upload-area {
        padding: 1.5rem 1rem;
    }
    
    .upload-area i {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .upload-area h3 {
        font-size: 1.2rem;
    }
    
    .analyze-features h2 {
        font-size: 1.6rem;
    }
}

.language-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
    transition: var(--transition);
}

.language-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.language-menu {
    display: none;
    position: absolute;
    top: 60px;
    right: 150px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    overflow: hidden;
}

.language-menu.active {
    display: block;
}

.language-menu a {
    display: block;
    padding: 12px 16px;
    border-bottom: 1px solid #f0f0f0;
    transition: var(--transition);
}

.language-menu a:last-child {
    border-bottom: none;
}

.language-menu a:hover {
    background-color: #f5f5f7;
}

.language-menu a.active {
    background-color: #f0f0ff;
    color: var(--primary-color);
    font-weight: 500;
}

/* Navegação para index.html e about.html */
.main-menu {
    display: flex;
}

.main-menu li {
    margin: 0 1rem;
}

.main-menu a {
    font-weight: 500;
    transition: var(--transition);
}

.main-menu a:hover {
    color: var(--primary-color);
}

/* Footer */
.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 450px;
    width: 100%;
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    gap: 0.5rem;
}

.google-btn:hover {
    background-color: #f5f5f5;
}

.google-btn i {
    color: #4285F4;
    font-size: 1.25rem;
}

/* Seção Como Funciona */
.how-it-works {
    padding: 5rem 2rem;
    background-color: #f5f7ff;
    text-align: center;
    position: relative;
}

.how-it-works:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(0deg, white, transparent);
    z-index: 1;
}

.how-it-works h2 {
    font-size: 2.3rem;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 2;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: left;
    position: relative;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(82, 82, 224, 0.3);
}

.step h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta, .about-cta {
    background: #5252e0;
    padding: 5rem 2rem;
    text-align: center;
    margin-top: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta h2, .about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.cta p, .about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.cta .primary-btn, .about-cta .primary-btn {
    background-color: white;
    color: #5252e0;
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.cta .primary-btn:hover, .about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Estilos para a página About */
.about-header {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background: linear-gradient(180deg, #f5f7ff, white);
    position: relative;
}

.about-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), #000000);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-header p {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #eee;
    gap: 3rem;
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    object-fit: cover;
}

/* Placeholders para imagens */
.placeholder-image {
    background-color: #f0f0f5;
    height: 300px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 2px dashed rgba(82, 82, 224, 0.3);
    font-size: 1.5rem;
    margin: 1rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.placeholder-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
    border-color: rgba(82, 82, 224, 0.5);
}

.placeholder-member {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: #f0f0f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 5px solid white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    font-size: 1.2rem;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.team-member:hover .placeholder-member {
    box-shadow: 0 12px 30px rgba(82, 82, 224, 0.3);
    border-color: #f8f8ff;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 300px;
    margin: 0 auto;
    line-height: 1.6;
}

/* CTA na página About */
.about-cta {
    background: linear-gradient(45deg, var(--primary-color), #5252e0);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    overflow: hidden;
}

.about-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
    background-size: 150px;
}

.about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn {
    background-color: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .cta-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        width: 100%;
        justify-content: space-between;
    }

    .about-section {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }
    
    .about-section.reverse {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 1.5rem;
    }
    
    .about-content h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-content ul {
        display: inline-block;
        text-align: left;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    header {
        padding: 0.75rem 1rem;
        position: fixed;
        width: 100%;
        top: 0;
        background-color: white;
    }
    
    .logo a {
        font-size: 1.5rem;
    }
    
    main {
        margin-top: 60px;
    }
    
    .hero {
        padding: 2rem 1rem;
        gap: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    .hero-buttons a {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .features {
        padding: 2.5rem 1rem;
    }
    
    .features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .feature-card {
        margin-bottom: 1.5rem;
        padding: 1.5rem;
    }
    
    .how-it-works {
        padding: 2.5rem 1rem;
    }
    
    .how-it-works h2 {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    .step {
        margin-bottom: 2.5rem;
        padding-top: 2rem;
    }
    
    .step-number {
        top: -15px;
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .testimonials {
        padding: 2.5rem 1rem;
    }
    
    .testimonials h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .testimonial-content {
        padding: 1.5rem;
    }
    
    .cta {
        padding: 2.5rem 1rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
    
    .cta p {
        font-size: 1rem;
    }
    
    footer {
        padding: 2.5rem 1rem 1.5rem;
    }
    
    .footer-logo h3 {
        font-size: 1.5rem;
    }
    
    .footer-links-column {
        margin-bottom: 1.5rem;
        min-width: 140px;
    }
    
    .about-header {
        padding: 2.5rem 1rem 2rem;
    }
    
    .about-header h1 {
        font-size: 2rem;
    }
    
    .about-header p {
        font-size: 1rem;
    }
    
    .about-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-image {
        height: 200px;
        margin: 0.5rem 0 1.5rem;
    }
    
    .about-content h2 {
        font-size: 1.8rem;
    }
    
    .about-content h3 {
        font-size: 1.4rem;
    }
    
    .about-content p {
        font-size: 1rem;
    }
    
    .team-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-member {
        width: 150px;
        height: 150px;
    }
    
    .about-cta {
        padding: 2.5rem 1rem;
    }
    
    .about-cta h2 {
        font-size: 1.8rem;
    }
    
    .main-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        z-index: 100;
        flex-direction: column;
    }
    
    .main-menu.active {
        display: flex;
    }
    
    .main-menu li {
        margin: 0;
    }
    
    .main-menu li a {
        display: block;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .main-menu li:last-child a {
        border-bottom: none;
    }
    
    .auth-buttons {
        display: none;
    }
    
    .auth-buttons.active {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        padding: 1rem 1.5rem;
        background-color: #f5f5f7;
    }
    
    .auth-buttons.active button {
        width: 100%;
        text-align: center;
        padding: 0.8rem;
    }
    
    .mobile-menu-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .features h2, 
    .how-it-works h2, 
    .testimonials h2, 
    .cta h2, 
    .about-header h1 {
        font-size: 1.6rem;
    }
    
    .about-content h2 {
        font-size: 1.6rem;
    }
    
    .about-content h3 {
        font-size: 1.3rem;
    }
    
    .feature-card, 
    .step, 
    .testimonial-content {
        padding: 1.25rem;
    }
    
    .placeholder-image {
        height: 180px;
    }
    
    .placeholder-member {
        width: 130px;
        height: 130px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
}

.about-content {
    flex: 1;
    min-width: 300px;
    padding: 1rem;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    position: relative;
}

.about-content h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.about-content h3 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--dark-color);
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.05rem;
}

.about-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.about-content ul li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.8rem;
    line-height: 1.6;
}

.about-content ul li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -0.3rem;
}

/* Estilos para página de Análise */
.analyze-header {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 2rem 3rem;
    text-align: center;
}

.analyze-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.analyze-header p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.analyze-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.analyze-container {
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
    margin-top: -3rem;
}

.analyze-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
}

.analyze-tab {
    padding: 1rem 1.5rem;
    margin-right: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.analyze-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.upload-area {
    border: 2px dashed #ddd;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(82, 82, 224, 0.03);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.upload-area h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.file-input {
    display: none;
}

.upload-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.upload-btn:hover {
    background-color: var(--secondary-color);
}

.or-divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--text-light);
}

.or-divider::before, .or-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: #eee;
}

.or-divider span {
    padding: 0 1rem;
}

.url-input-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.url-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.url-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(82, 82, 224, 0.2);
}

.analyze-features {
    background-color: #f5f7ff;
    padding: 4rem 2rem;
    text-align: center;
}

.analyze-features h2 {
    font-size: 2.2rem;
    margin-bottom: 3rem;
}

/* Responsividade para página de análise */
@media (max-width: 768px) {
    .analyze-header {
        padding: 3rem 1.5rem 2rem;
    }
    
    .analyze-header h1 {
        font-size: 2rem;
    }
    
    .analyze-header p {
        font-size: 1.1rem;
    }
    
    .analyze-section {
        padding: 2rem 1rem;
    }
    
    .analyze-container {
        padding: 1.5rem;
        margin-top: -2rem;
    }
    
    .analyze-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        padding-bottom: 0.5rem;
    }
    
    .analyze-tab {
        padding: 0.75rem 1rem;
        margin-right: 0.5rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-area i {
        font-size: 2.5rem;
    }
    
    .upload-area h3 {
        font-size: 1.3rem;
    }
    
    .url-input-container {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .upload-btn, .primary-btn {
        width: 100%;
    }
    
    .analyze-features {
        padding: 3rem 1.5rem;
    }
    
    .analyze-features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .analyze-header h1 {
        font-size: 1.8rem;
    }
    
    .analyze-header p {
        font-size: 1rem;
    }
    
    .analyze-container {
        padding: 1.25rem;
        border-radius: 12px;
    }
    
    .upload-area {
        padding: 1.5rem 1rem;
    }
    
    .upload-area i {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .upload-area h3 {
        font-size: 1.2rem;
    }
    
    .analyze-features h2 {
        font-size: 1.6rem;
    }
}

.language-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
    transition: var(--transition);
}

.language-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.language-menu {
    display: none;
    position: absolute;
    top: 60px;
    right: 150px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    overflow: hidden;
}

.language-menu.active {
    display: block;
}

.language-menu a {
    display: block;
    padding: 12px 16px;
    border-bottom: 1px solid #f0f0f0;
    transition: var(--transition);
}

.language-menu a:last-child {
    border-bottom: none;
}

.language-menu a:hover {
    background-color: #f5f5f7;
}

.language-menu a.active {
    background-color: #f0f0ff;
    color: var(--primary-color);
    font-weight: 500;
}

/* Navegação para index.html e about.html */
.main-menu {
    display: flex;
}

.main-menu li {
    margin: 0 1rem;
}

.main-menu a {
    font-weight: 500;
    transition: var(--transition);
}

.main-menu a:hover {
    color: var(--primary-color);
}

/* Footer */
.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 450px;
    width: 100%;
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    gap: 0.5rem;
}

.google-btn:hover {
    background-color: #f5f5f5;
}

.google-btn i {
    color: #4285F4;
    font-size: 1.25rem;
}

/* Seção Como Funciona */
.how-it-works {
    padding: 5rem 2rem;
    background-color: #f5f7ff;
    text-align: center;
    position: relative;
}

.how-it-works:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(0deg, white, transparent);
    z-index: 1;
}

.how-it-works h2 {
    font-size: 2.3rem;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 2;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: left;
    position: relative;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(82, 82, 224, 0.3);
}

.step h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta, .about-cta {
    background: #5252e0;
    padding: 5rem 2rem;
    text-align: center;
    margin-top: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta h2, .about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.cta p, .about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.cta .primary-btn, .about-cta .primary-btn {
    background-color: white;
    color: #5252e0;
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.cta .primary-btn:hover, .about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Estilos para a página About */
.about-header {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background: linear-gradient(180deg, #f5f7ff, white);
    position: relative;
}

.about-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), #000000);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-header p {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #eee;
    gap: 3rem;
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    object-fit: cover;
}

/* Placeholders para imagens */
.placeholder-image {
    background-color: #f0f0f5;
    height: 300px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 2px dashed rgba(82, 82, 224, 0.3);
    font-size: 1.5rem;
    margin: 1rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.placeholder-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
    border-color: rgba(82, 82, 224, 0.5);
}

.placeholder-member {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: #f0f0f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 5px solid white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    font-size: 1.2rem;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.team-member:hover .placeholder-member {
    box-shadow: 0 12px 30px rgba(82, 82, 224, 0.3);
    border-color: #f8f8ff;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 300px;
    margin: 0 auto;
    line-height: 1.6;
}

/* CTA na página About */
.about-cta {
    background: linear-gradient(45deg, var(--primary-color), #5252e0);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    overflow: hidden;
}

.about-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
    background-size: 150px;
}

.about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn {
    background-color: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .cta-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        width: 100%;
        justify-content: space-between;
    }

    .about-section {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }
    
    .about-section.reverse {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 1.5rem;
    }
    
    .about-content h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-content ul {
        display: inline-block;
        text-align: left;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    header {
        padding: 0.75rem 1rem;
        position: fixed;
        width: 100%;
        top: 0;
        background-color: white;
    }
    
    .logo a {
        font-size: 1.5rem;
    }
    
    main {
        margin-top: 60px;
    }
    
    .hero {
        padding: 2rem 1rem;
        gap: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    .hero-buttons a {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .features {
        padding: 2.5rem 1rem;
    }
    
    .features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .feature-card {
        margin-bottom: 1.5rem;
        padding: 1.5rem;
    }
    
    .how-it-works {
        padding: 2.5rem 1rem;
    }
    
    .how-it-works h2 {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    .step {
        margin-bottom: 2.5rem;
        padding-top: 2rem;
    }
    
    .step-number {
        top: -15px;
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .testimonials {
        padding: 2.5rem 1rem;
    }
    
    .testimonials h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .testimonial-content {
        padding: 1.5rem;
    }
    
    .cta {
        padding: 2.5rem 1rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
    
    .cta p {
        font-size: 1rem;
    }
    
    footer {
        padding: 2.5rem 1rem 1.5rem;
    }
    
    .footer-logo h3 {
        font-size: 1.5rem;
    }
    
    .footer-links-column {
        margin-bottom: 1.5rem;
        min-width: 140px;
    }
    
    .about-header {
        padding: 2.5rem 1rem 2rem;
    }
    
    .about-header h1 {
        font-size: 2rem;
    }
    
    .about-header p {
        font-size: 1rem;
    }
    
    .about-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-image {
        height: 200px;
        margin: 0.5rem 0 1.5rem;
    }
    
    .about-content h2 {
        font-size: 1.8rem;
    }
    
    .about-content h3 {
        font-size: 1.4rem;
    }
    
    .about-content p {
        font-size: 1rem;
    }
    
    .team-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-member {
        width: 150px;
        height: 150px;
    }
    
    .about-cta {
        padding: 2.5rem 1rem;
    }
    
    .about-cta h2 {
        font-size: 1.8rem;
    }
    
    .main-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        z-index: 100;
        flex-direction: column;
    }
    
    .main-menu.active {
        display: flex;
    }
    
    .main-menu li {
        margin: 0;
    }
    
    .main-menu li a {
        display: block;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .main-menu li:last-child a {
        border-bottom: none;
    }
    
    .auth-buttons {
        display: none;
    }
    
    .auth-buttons.active {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        padding: 1rem 1.5rem;
        background-color: #f5f5f7;
    }
    
    .auth-buttons.active button {
        width: 100%;
        text-align: center;
        padding: 0.8rem;
    }
    
    .mobile-menu-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .features h2, 
    .how-it-works h2, 
    .testimonials h2, 
    .cta h2, 
    .about-header h1 {
        font-size: 1.6rem;
    }
    
    .about-content h2 {
        font-size: 1.6rem;
    }
    
    .about-content h3 {
        font-size: 1.3rem;
    }
    
    .feature-card, 
    .step, 
    .testimonial-content {
        padding: 1.25rem;
    }
    
    .placeholder-image {
        height: 180px;
    }
    
    .placeholder-member {
        width: 130px;
        height: 130px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
}

.about-content {
    flex: 1;
    min-width: 300px;
    padding: 1rem;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    position: relative;
}

.about-content h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.about-content h3 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--dark-color);
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.05rem;
}

.about-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.about-content ul li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.8rem;
    line-height: 1.6;
}

.about-content ul li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -0.3rem;
}

/* Estilos para página de Análise */
.analyze-header {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 2rem 3rem;
    text-align: center;
}

.analyze-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.analyze-header p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.analyze-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.analyze-container {
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
    margin-top: -3rem;
}

.analyze-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
}

.analyze-tab {
    padding: 1rem 1.5rem;
    margin-right: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.analyze-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.upload-area {
    border: 2px dashed #ddd;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(82, 82, 224, 0.03);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.upload-area h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.file-input {
    display: none;
}

.upload-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.upload-btn:hover {
    background-color: var(--secondary-color);
}

.or-divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--text-light);
}

.or-divider::before, .or-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: #eee;
}

.or-divider span {
    padding: 0 1rem;
}

.url-input-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.url-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.url-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(82, 82, 224, 0.2);
}

.analyze-features {
    background-color: #f5f7ff;
    padding: 4rem 2rem;
    text-align: center;
}

.analyze-features h2 {
    font-size: 2.2rem;
    margin-bottom: 3rem;
}

/* Responsividade para página de análise */
@media (max-width: 768px) {
    .analyze-header {
        padding: 3rem 1.5rem 2rem;
    }
    
    .analyze-header h1 {
        font-size: 2rem;
    }
    
    .analyze-header p {
        font-size: 1.1rem;
    }
    
    .analyze-section {
        padding: 2rem 1rem;
    }
    
    .analyze-container {
        padding: 1.5rem;
        margin-top: -2rem;
    }
    
    .analyze-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        padding-bottom: 0.5rem;
    }
    
    .analyze-tab {
        padding: 0.75rem 1rem;
        margin-right: 0.5rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-area i {
        font-size: 2.5rem;
    }
    
    .upload-area h3 {
        font-size: 1.3rem;
    }
    
    .url-input-container {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .upload-btn, .primary-btn {
        width: 100%;
    }
    
    .analyze-features {
        padding: 3rem 1.5rem;
    }
    
    .analyze-features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .analyze-header h1 {
        font-size: 1.8rem;
    }
    
    .analyze-header p {
        font-size: 1rem;
    }
    
    .analyze-container {
        padding: 1.25rem;
        border-radius: 12px;
    }
    
    .upload-area {
        padding: 1.5rem 1rem;
    }
    
    .upload-area i {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .upload-area h3 {
        font-size: 1.2rem;
    }
    
    .analyze-features h2 {
        font-size: 1.6rem;
    }
}

.language-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
    transition: var(--transition);
}

.language-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.language-menu {
    display: none;
    position: absolute;
    top: 60px;
    right: 150px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    overflow: hidden;
}

.language-menu.active {
    display: block;
}

.language-menu a {
    display: block;
    padding: 12px 16px;
    border-bottom: 1px solid #f0f0f0;
    transition: var(--transition);
}

.language-menu a:last-child {
    border-bottom: none;
}

.language-menu a:hover {
    background-color: #f5f5f7;
}

.language-menu a.active {
    background-color: #f0f0ff;
    color: var(--primary-color);
    font-weight: 500;
}

/* Navegação para index.html e about.html */
.main-menu {
    display: flex;
}

.main-menu li {
    margin: 0 1rem;
}

.main-menu a {
    font-weight: 500;
    transition: var(--transition);
}

.main-menu a:hover {
    color: var(--primary-color);
}

/* Footer */
.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 450px;
    width: 100%;
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    gap: 0.5rem;
}

.google-btn:hover {
    background-color: #f5f5f5;
}

.google-btn i {
    color: #4285F4;
    font-size: 1.25rem;
}

/* Seção Como Funciona */
.how-it-works {
    padding: 5rem 2rem;
    background-color: #f5f7ff;
    text-align: center;
    position: relative;
}

.how-it-works:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(0deg, white, transparent);
    z-index: 1;
}

.how-it-works h2 {
    font-size: 2.3rem;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 2;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: left;
    position: relative;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(82, 82, 224, 0.3);
}

.step h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta, .about-cta {
    background: #5252e0;
    padding: 5rem 2rem;
    text-align: center;
    margin-top: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta h2, .about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.cta p, .about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.cta .primary-btn, .about-cta .primary-btn {
    background-color: white;
    color: #5252e0;
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.cta .primary-btn:hover, .about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Estilos para a página About */
.about-header {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background: linear-gradient(180deg, #f5f7ff, white);
    position: relative;
}

.about-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), #000000);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-header p {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #eee;
    gap: 3rem;
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    object-fit: cover;
}

/* Placeholders para imagens */
.placeholder-image {
    background-color: #f0f0f5;
    height: 300px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 2px dashed rgba(82, 82, 224, 0.3);
    font-size: 1.5rem;
    margin: 1rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.placeholder-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
    border-color: rgba(82, 82, 224, 0.5);
}

.placeholder-member {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: #f0f0f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 5px solid white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    font-size: 1.2rem;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.team-member:hover .placeholder-member {
    box-shadow: 0 12px 30px rgba(82, 82, 224, 0.3);
    border-color: #f8f8ff;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 300px;
    margin: 0 auto;
    line-height: 1.6;
}

/* CTA na página About */
.about-cta {
    background: linear-gradient(45deg, var(--primary-color), #5252e0);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    overflow: hidden;
}

.about-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
    background-size: 150px;
}

.about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn {
    background-color: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .cta-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        width: 100%;
        justify-content: space-between;
    }

    .about-section {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }
    
    .about-section.reverse {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 1.5rem;
    }
    
    .about-content h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-content ul {
        display: inline-block;
        text-align: left;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    header {
        padding: 0.75rem 1rem;
        position: fixed;
        width: 100%;
        top: 0;
        background-color: white;
    }
    
    .logo a {
        font-size: 1.5rem;
    }
    
    main {
        margin-top: 60px;
    }
    
    .hero {
        padding: 2rem 1rem;
        gap: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    .hero-buttons a {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .features {
        padding: 2.5rem 1rem;
    }
    
    .features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .feature-card {
        margin-bottom: 1.5rem;
        padding: 1.5rem;
    }
    
    .how-it-works {
        padding: 2.5rem 1rem;
    }
    
    .how-it-works h2 {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    .step {
        margin-bottom: 2.5rem;
        padding-top: 2rem;
    }
    
    .step-number {
        top: -15px;
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .testimonials {
        padding: 2.5rem 1rem;
    }
    
    .testimonials h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .testimonial-content {
        padding: 1.5rem;
    }
    
    .cta {
        padding: 2.5rem 1rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
    
    .cta p {
        font-size: 1rem;
    }
    
    footer {
        padding: 2.5rem 1rem 1.5rem;
    }
    
    .footer-logo h3 {
        font-size: 1.5rem;
    }
    
    .footer-links-column {
        margin-bottom: 1.5rem;
        min-width: 140px;
    }
    
    .about-header {
        padding: 2.5rem 1rem 2rem;
    }
    
    .about-header h1 {
        font-size: 2rem;
    }
    
    .about-header p {
        font-size: 1rem;
    }
    
    .about-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-image {
        height: 200px;
        margin: 0.5rem 0 1.5rem;
    }
    
    .about-content h2 {
        font-size: 1.8rem;
    }
    
    .about-content h3 {
        font-size: 1.4rem;
    }
    
    .about-content p {
        font-size: 1rem;
    }
    
    .team-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-member {
        width: 150px;
        height: 150px;
    }
    
    .about-cta {
        padding: 2.5rem 1rem;
    }
    
    .about-cta h2 {
        font-size: 1.8rem;
    }
    
    .main-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        z-index: 100;
        flex-direction: column;
    }
    
    .main-menu.active {
        display: flex;
    }
    
    .main-menu li {
        margin: 0;
    }
    
    .main-menu li a {
        display: block;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .main-menu li:last-child a {
        border-bottom: none;
    }
    
    .auth-buttons {
        display: none;
    }
    
    .auth-buttons.active {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        padding: 1rem 1.5rem;
        background-color: #f5f5f7;
    }
    
    .auth-buttons.active button {
        width: 100%;
        text-align: center;
        padding: 0.8rem;
    }
    
    .mobile-menu-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .features h2, 
    .how-it-works h2, 
    .testimonials h2, 
    .cta h2, 
    .about-header h1 {
        font-size: 1.6rem;
    }
    
    .about-content h2 {
        font-size: 1.6rem;
    }
    
    .about-content h3 {
        font-size: 1.3rem;
    }
    
    .feature-card, 
    .step, 
    .testimonial-content {
        padding: 1.25rem;
    }
    
    .placeholder-image {
        height: 180px;
    }
    
    .placeholder-member {
        width: 130px;
        height: 130px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
}

.about-content {
    flex: 1;
    min-width: 300px;
    padding: 1rem;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    position: relative;
}

.about-content h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.about-content h3 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--dark-color);
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.05rem;
}

.about-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.about-content ul li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.8rem;
    line-height: 1.6;
}

.about-content ul li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -0.3rem;
}

/* Estilos para página de Análise */
.analyze-header {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 2rem 3rem;
    text-align: center;
}

.analyze-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.analyze-header p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.analyze-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.analyze-container {
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
    margin-top: -3rem;
}

.analyze-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
}

.analyze-tab {
    padding: 1rem 1.5rem;
    margin-right: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.analyze-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.upload-area {
    border: 2px dashed #ddd;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(82, 82, 224, 0.03);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.upload-area h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.file-input {
    display: none;
}

.upload-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.upload-btn:hover {
    background-color: var(--secondary-color);
}

.or-divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--text-light);
}

.or-divider::before, .or-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: #eee;
}

.or-divider span {
    padding: 0 1rem;
}

.url-input-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.url-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.url-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(82, 82, 224, 0.2);
}

.analyze-features {
    background-color: #f5f7ff;
    padding: 4rem 2rem;
    text-align: center;
}

.analyze-features h2 {
    font-size: 2.2rem;
    margin-bottom: 3rem;
}

/* Responsividade para página de análise */
@media (max-width: 768px) {
    .analyze-header {
        padding: 3rem 1.5rem 2rem;
    }
    
    .analyze-header h1 {
        font-size: 2rem;
    }
    
    .analyze-header p {
        font-size: 1.1rem;
    }
    
    .analyze-section {
        padding: 2rem 1rem;
    }
    
    .analyze-container {
        padding: 1.5rem;
        margin-top: -2rem;
    }
    
    .analyze-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        padding-bottom: 0.5rem;
    }
    
    .analyze-tab {
        padding: 0.75rem 1rem;
        margin-right: 0.5rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-area i {
        font-size: 2.5rem;
    }
    
    .upload-area h3 {
        font-size: 1.3rem;
    }
    
    .url-input-container {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .upload-btn, .primary-btn {
        width: 100%;
    }
    
    .analyze-features {
        padding: 3rem 1.5rem;
    }
    
    .analyze-features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .analyze-header h1 {
        font-size: 1.8rem;
    }
    
    .analyze-header p {
        font-size: 1rem;
    }
    
    .analyze-container {
        padding: 1.25rem;
        border-radius: 12px;
    }
    
    .upload-area {
        padding: 1.5rem 1rem;
    }
    
    .upload-area i {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .upload-area h3 {
        font-size: 1.2rem;
    }
    
    .analyze-features h2 {
        font-size: 1.6rem;
    }
}

.language-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
    transition: var(--transition);
}

.language-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.language-menu {
    display: none;
    position: absolute;
    top: 60px;
    right: 150px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    overflow: hidden;
}

.language-menu.active {
    display: block;
}

.language-menu a {
    display: block;
    padding: 12px 16px;
    border-bottom: 1px solid #f0f0f0;
    transition: var(--transition);
}

.language-menu a:last-child {
    border-bottom: none;
}

.language-menu a:hover {
    background-color: #f5f5f7;
}

.language-menu a.active {
    background-color: #f0f0ff;
    color: var(--primary-color);
    font-weight: 500;
}

/* Navegação para index.html e about.html */
.main-menu {
    display: flex;
}

.main-menu li {
    margin: 0 1rem;
}

.main-menu a {
    font-weight: 500;
    transition: var(--transition);
}

.main-menu a:hover {
    color: var(--primary-color);
}

/* Footer */
.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 450px;
    width: 100%;
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    gap: 0.5rem;
}

.google-btn:hover {
    background-color: #f5f5f5;
}

.google-btn i {
    color: #4285F4;
    font-size: 1.25rem;
}

/* Seção Como Funciona */
.how-it-works {
    padding: 5rem 2rem;
    background-color: #f5f7ff;
    text-align: center;
    position: relative;
}

.how-it-works:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(0deg, white, transparent);
    z-index: 1;
}

.how-it-works h2 {
    font-size: 2.3rem;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 2;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: left;
    position: relative;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(82, 82, 224, 0.3);
}

.step h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta, .about-cta {
    background: #5252e0;
    padding: 5rem 2rem;
    text-align: center;
    margin-top: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta h2, .about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.cta p, .about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.cta .primary-btn, .about-cta .primary-btn {
    background-color: white;
    color: #5252e0;
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.cta .primary-btn:hover, .about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Estilos para a página About */
.about-header {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background: linear-gradient(180deg, #f5f7ff, white);
    position: relative;
}

.about-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), #000000);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-header p {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #eee;
    gap: 3rem;
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    object-fit: cover;
}

/* Placeholders para imagens */
.placeholder-image {
    background-color: #f0f0f5;
    height: 300px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 2px dashed rgba(82, 82, 224, 0.3);
    font-size: 1.5rem;
    margin: 1rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.placeholder-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
    border-color: rgba(82, 82, 224, 0.5);
}

.placeholder-member {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: #f0f0f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 5px solid white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    font-size: 1.2rem;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.team-member:hover .placeholder-member {
    box-shadow: 0 12px 30px rgba(82, 82, 224, 0.3);
    border-color: #f8f8ff;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 300px;
    margin: 0 auto;
    line-height: 1.6;
}

/* CTA na página About */
.about-cta {
    background: linear-gradient(45deg, var(--primary-color), #5252e0);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    overflow: hidden;
}

.about-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
    background-size: 150px;
}

.about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn {
    background-color: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .cta-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        width: 100%;
        justify-content: space-between;
    }

    .about-section {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }
    
    .about-section.reverse {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 1.5rem;
    }
    
    .about-content h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-content ul {
        display: inline-block;
        text-align: left;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    header {
        padding: 0.75rem 1rem;
        position: fixed;
        width: 100%;
        top: 0;
        background-color: white;
    }
    
    .logo a {
        font-size: 1.5rem;
    }
    
    main {
        margin-top: 60px;
    }
    
    .hero {
        padding: 2rem 1rem;
        gap: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    .hero-buttons a {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .features {
        padding: 2.5rem 1rem;
    }
    
    .features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .feature-card {
        margin-bottom: 1.5rem;
        padding: 1.5rem;
    }
    
    .how-it-works {
        padding: 2.5rem 1rem;
    }
    
    .how-it-works h2 {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    .step {
        margin-bottom: 2.5rem;
        padding-top: 2rem;
    }
    
    .step-number {
        top: -15px;
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .testimonials {
        padding: 2.5rem 1rem;
    }
    
    .testimonials h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .testimonial-content {
        padding: 1.5rem;
    }
    
    .cta {
        padding: 2.5rem 1rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
    
    .cta p {
        font-size: 1rem;
    }
    
    footer {
        padding: 2.5rem 1rem 1.5rem;
    }
    
    .footer-logo h3 {
        font-size: 1.5rem;
    }
    
    .footer-links-column {
        margin-bottom: 1.5rem;
        min-width: 140px;
    }
    
    .about-header {
        padding: 2.5rem 1rem 2rem;
    }
    
    .about-header h1 {
        font-size: 2rem;
    }
    
    .about-header p {
        font-size: 1rem;
    }
    
    .about-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-image {
        height: 200px;
        margin: 0.5rem 0 1.5rem;
    }
    
    .about-content h2 {
        font-size: 1.8rem;
    }
    
    .about-content h3 {
        font-size: 1.4rem;
    }
    
    .about-content p {
        font-size: 1rem;
    }
    
    .team-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-member {
        width: 150px;
        height: 150px;
    }
    
    .about-cta {
        padding: 2.5rem 1rem;
    }
    
    .about-cta h2 {
        font-size: 1.8rem;
    }
    
    .main-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        z-index: 100;
        flex-direction: column;
    }
    
    .main-menu.active {
        display: flex;
    }
    
    .main-menu li {
        margin: 0;
    }
    
    .main-menu li a {
        display: block;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .main-menu li:last-child a {
        border-bottom: none;
    }
    
    .auth-buttons {
        display: none;
    }
    
    .auth-buttons.active {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        padding: 1rem 1.5rem;
        background-color: #f5f5f7;
    }
    
    .auth-buttons.active button {
        width: 100%;
        text-align: center;
        padding: 0.8rem;
    }
    
    .mobile-menu-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .features h2, 
    .how-it-works h2, 
    .testimonials h2, 
    .cta h2, 
    .about-header h1 {
        font-size: 1.6rem;
    }
    
    .about-content h2 {
        font-size: 1.6rem;
    }
    
    .about-content h3 {
        font-size: 1.3rem;
    }
    
    .feature-card, 
    .step, 
    .testimonial-content {
        padding: 1.25rem;
    }
    
    .placeholder-image {
        height: 180px;
    }
    
    .placeholder-member {
        width: 130px;
        height: 130px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
}

.about-content {
    flex: 1;
    min-width: 300px;
    padding: 1rem;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    position: relative;
}

.about-content h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.about-content h3 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--dark-color);
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.05rem;
}

.about-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.about-content ul li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.8rem;
    line-height: 1.6;
}

.about-content ul li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -0.3rem;
}

/* Estilos para página de Análise */
.analyze-header {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 2rem 3rem;
    text-align: center;
}

.analyze-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.analyze-header p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.analyze-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.analyze-container {
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
    margin-top: -3rem;
}

.analyze-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
}

.analyze-tab {
    padding: 1rem 1.5rem;
    margin-right: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.analyze-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.upload-area {
    border: 2px dashed #ddd;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(82, 82, 224, 0.03);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.upload-area h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.file-input {
    display: none;
}

.upload-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.upload-btn:hover {
    background-color: var(--secondary-color);
}

.or-divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--text-light);
}

.or-divider::before, .or-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: #eee;
}

.or-divider span {
    padding: 0 1rem;
}

.url-input-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.url-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.url-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(82, 82, 224, 0.2);
}

.analyze-features {
    background-color: #f5f7ff;
    padding: 4rem 2rem;
    text-align: center;
}

.analyze-features h2 {
    font-size: 2.2rem;
    margin-bottom: 3rem;
}

/* Responsividade para página de análise */
@media (max-width: 768px) {
    .analyze-header {
        padding: 3rem 1.5rem 2rem;
    }
    
    .analyze-header h1 {
        font-size: 2rem;
    }
    
    .analyze-header p {
        font-size: 1.1rem;
    }
    
    .analyze-section {
        padding: 2rem 1rem;
    }
    
    .analyze-container {
        padding: 1.5rem;
        margin-top: -2rem;
    }
    
    .analyze-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        padding-bottom: 0.5rem;
    }
    
    .analyze-tab {
        padding: 0.75rem 1rem;
        margin-right: 0.5rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-area i {
        font-size: 2.5rem;
    }
    
    .upload-area h3 {
        font-size: 1.3rem;
    }
    
    .url-input-container {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .upload-btn, .primary-btn {
        width: 100%;
    }
    
    .analyze-features {
        padding: 3rem 1.5rem;
    }
    
    .analyze-features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .analyze-header h1 {
        font-size: 1.8rem;
    }
    
    .analyze-header p {
        font-size: 1rem;
    }
    
    .analyze-container {
        padding: 1.25rem;
        border-radius: 12px;
    }
    
    .upload-area {
        padding: 1.5rem 1rem;
    }
    
    .upload-area i {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .upload-area h3 {
        font-size: 1.2rem;
    }
    
    .analyze-features h2 {
        font-size: 1.6rem;
    }
}

.language-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
    transition: var(--transition);
}

.language-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.language-menu {
    display: none;
    position: absolute;
    top: 60px;
    right: 150px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    overflow: hidden;
}

.language-menu.active {
    display: block;
}

.language-menu a {
    display: block;
    padding: 12px 16px;
    border-bottom: 1px solid #f0f0f0;
    transition: var(--transition);
}

.language-menu a:last-child {
    border-bottom: none;
}

.language-menu a:hover {
    background-color: #f5f5f7;
}

.language-menu a.active {
    background-color: #f0f0ff;
    color: var(--primary-color);
    font-weight: 500;
}

/* Navegação para index.html e about.html */
.main-menu {
    display: flex;
}

.main-menu li {
    margin: 0 1rem;
}

.main-menu a {
    font-weight: 500;
    transition: var(--transition);
}

.main-menu a:hover {
    color: var(--primary-color);
}

/* Footer */
.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 450px;
    width: 100%;
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    gap: 0.5rem;
}

.google-btn:hover {
    background-color: #f5f5f5;
}

.google-btn i {
    color: #4285F4;
    font-size: 1.25rem;
}

/* Seção Como Funciona */
.how-it-works {
    padding: 5rem 2rem;
    background-color: #f5f7ff;
    text-align: center;
    position: relative;
}

.how-it-works:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(0deg, white, transparent);
    z-index: 1;
}

.how-it-works h2 {
    font-size: 2.3rem;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 2;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: left;
    position: relative;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(82, 82, 224, 0.3);
}

.step h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta, .about-cta {
    background: #5252e0;
    padding: 5rem 2rem;
    text-align: center;
    margin-top: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta h2, .about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.cta p, .about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.cta .primary-btn, .about-cta .primary-btn {
    background-color: white;
    color: #5252e0;
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.cta .primary-btn:hover, .about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Estilos para a página About */
.about-header {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background: linear-gradient(180deg, #f5f7ff, white);
    position: relative;
}

.about-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), #000000);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-header p {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #eee;
    gap: 3rem;
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    object-fit: cover;
}

/* Placeholders para imagens */
.placeholder-image {
    background-color: #f0f0f5;
    height: 300px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 2px dashed rgba(82, 82, 224, 0.3);
    font-size: 1.5rem;
    margin: 1rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.placeholder-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
    border-color: rgba(82, 82, 224, 0.5);
}

.placeholder-member {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: #f0f0f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 5px solid white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    font-size: 1.2rem;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.team-member:hover .placeholder-member {
    box-shadow: 0 12px 30px rgba(82, 82, 224, 0.3);
    border-color: #f8f8ff;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 300px;
    margin: 0 auto;
    line-height: 1.6;
}

/* CTA na página About */
.about-cta {
    background: linear-gradient(45deg, var(--primary-color), #5252e0);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    overflow: hidden;
}

.about-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
    background-size: 150px;
}

.about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn {
    background-color: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .cta-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        width: 100%;
        justify-content: space-between;
    }

    .about-section {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }
    
    .about-section.reverse {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 1.5rem;
    }
    
    .about-content h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-content ul {
        display: inline-block;
        text-align: left;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    header {
        padding: 0.75rem 1rem;
        position: fixed;
        width: 100%;
        top: 0;
        background-color: white;
    }
    
    .logo a {
        font-size: 1.5rem;
    }
    
    main {
        margin-top: 60px;
    }
    
    .hero {
        padding: 2rem 1rem;
        gap: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    .hero-buttons a {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .features {
        padding: 2.5rem 1rem;
    }
    
    .features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .feature-card {
        margin-bottom: 1.5rem;
        padding: 1.5rem;
    }
    
    .how-it-works {
        padding: 2.5rem 1rem;
    }
    
    .how-it-works h2 {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    .step {
        margin-bottom: 2.5rem;
        padding-top: 2rem;
    }
    
    .step-number {
        top: -15px;
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .testimonials {
        padding: 2.5rem 1rem;
    }
    
    .testimonials h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .testimonial-content {
        padding: 1.5rem;
    }
    
    .cta {
        padding: 2.5rem 1rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
    
    .cta p {
        font-size: 1rem;
    }
    
    footer {
        padding: 2.5rem 1rem 1.5rem;
    }
    
    .footer-logo h3 {
        font-size: 1.5rem;
    }
    
    .footer-links-column {
        margin-bottom: 1.5rem;
        min-width: 140px;
    }
    
    .about-header {
        padding: 2.5rem 1rem 2rem;
    }
    
    .about-header h1 {
        font-size: 2rem;
    }
    
    .about-header p {
        font-size: 1rem;
    }
    
    .about-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-image {
        height: 200px;
        margin: 0.5rem 0 1.5rem;
    }
    
    .about-content h2 {
        font-size: 1.8rem;
    }
    
    .about-content h3 {
        font-size: 1.4rem;
    }
    
    .about-content p {
        font-size: 1rem;
    }
    
    .team-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-member {
        width: 150px;
        height: 150px;
    }
    
    .about-cta {
        padding: 2.5rem 1rem;
    }
    
    .about-cta h2 {
        font-size: 1.8rem;
    }
    
    .main-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        z-index: 100;
        flex-direction: column;
    }
    
    .main-menu.active {
        display: flex;
    }
    
    .main-menu li {
        margin: 0;
    }
    
    .main-menu li a {
        display: block;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .main-menu li:last-child a {
        border-bottom: none;
    }
    
    .auth-buttons {
        display: none;
    }
    
    .auth-buttons.active {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        padding: 1rem 1.5rem;
        background-color: #f5f5f7;
    }
    
    .auth-buttons.active button {
        width: 100%;
        text-align: center;
        padding: 0.8rem;
    }
    
    .mobile-menu-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .features h2, 
    .how-it-works h2, 
    .testimonials h2, 
    .cta h2, 
    .about-header h1 {
        font-size: 1.6rem;
    }
    
    .about-content h2 {
        font-size: 1.6rem;
    }
    
    .about-content h3 {
        font-size: 1.3rem;
    }
    
    .feature-card, 
    .step, 
    .testimonial-content {
        padding: 1.25rem;
    }
    
    .placeholder-image {
        height: 180px;
    }
    
    .placeholder-member {
        width: 130px;
        height: 130px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
}

.about-content {
    flex: 1;
    min-width: 300px;
    padding: 1rem;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    position: relative;
}

.about-content h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.about-content h3 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--dark-color);
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.05rem;
}

.about-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.about-content ul li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.8rem;
    line-height: 1.6;
}

.about-content ul li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -0.3rem;
}

/* Estilos para página de Análise */
.analyze-header {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 2rem 3rem;
    text-align: center;
}

.analyze-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.analyze-header p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.analyze-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.analyze-container {
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
    margin-top: -3rem;
}

.analyze-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
}

.analyze-tab {
    padding: 1rem 1.5rem;
    margin-right: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.analyze-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.upload-area {
    border: 2px dashed #ddd;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(82, 82, 224, 0.03);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.upload-area h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.file-input {
    display: none;
}

.upload-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.upload-btn:hover {
    background-color: var(--secondary-color);
}

.or-divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--text-light);
}

.or-divider::before, .or-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: #eee;
}

.or-divider span {
    padding: 0 1rem;
}

.url-input-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.url-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.url-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(82, 82, 224, 0.2);
}

.analyze-features {
    background-color: #f5f7ff;
    padding: 4rem 2rem;
    text-align: center;
}

.analyze-features h2 {
    font-size: 2.2rem;
    margin-bottom: 3rem;
}

/* Responsividade para página de análise */
@media (max-width: 768px) {
    .analyze-header {
        padding: 3rem 1.5rem 2rem;
    }
    
    .analyze-header h1 {
        font-size: 2rem;
    }
    
    .analyze-header p {
        font-size: 1.1rem;
    }
    
    .analyze-section {
        padding: 2rem 1rem;
    }
    
    .analyze-container {
        padding: 1.5rem;
        margin-top: -2rem;
    }
    
    .analyze-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        padding-bottom: 0.5rem;
    }
    
    .analyze-tab {
        padding: 0.75rem 1rem;
        margin-right: 0.5rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-area i {
        font-size: 2.5rem;
    }
    
    .upload-area h3 {
        font-size: 1.3rem;
    }
    
    .url-input-container {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .upload-btn, .primary-btn {
        width: 100%;
    }
    
    .analyze-features {
        padding: 3rem 1.5rem;
    }
    
    .analyze-features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .analyze-header h1 {
        font-size: 1.8rem;
    }
    
    .analyze-header p {
        font-size: 1rem;
    }
    
    .analyze-container {
        padding: 1.25rem;
        border-radius: 12px;
    }
    
    .upload-area {
        padding: 1.5rem 1rem;
    }
    
    .upload-area i {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .upload-area h3 {
        font-size: 1.2rem;
    }
    
    .analyze-features h2 {
        font-size: 1.6rem;
    }
}

.language-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
    transition: var(--transition);
}

.language-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.language-menu {
    display: none;
    position: absolute;
    top: 60px;
    right: 150px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    overflow: hidden;
}

.language-menu.active {
    display: block;
}

.language-menu a {
    display: block;
    padding: 12px 16px;
    border-bottom: 1px solid #f0f0f0;
    transition: var(--transition);
}

.language-menu a:last-child {
    border-bottom: none;
}

.language-menu a:hover {
    background-color: #f5f5f7;
}

.language-menu a.active {
    background-color: #f0f0ff;
    color: var(--primary-color);
    font-weight: 500;
}

/* Navegação para index.html e about.html */
.main-menu {
    display: flex;
}

.main-menu li {
    margin: 0 1rem;
}

.main-menu a {
    font-weight: 500;
    transition: var(--transition);
}

.main-menu a:hover {
    color: var(--primary-color);
}

/* Footer */
.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 450px;
    width: 100%;
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    gap: 0.5rem;
}

.google-btn:hover {
    background-color: #f5f5f5;
}

.google-btn i {
    color: #4285F4;
    font-size: 1.25rem;
}

/* Seção Como Funciona */
.how-it-works {
    padding: 5rem 2rem;
    background-color: #f5f7ff;
    text-align: center;
    position: relative;
}

.how-it-works:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(0deg, white, transparent);
    z-index: 1;
}

.how-it-works h2 {
    font-size: 2.3rem;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 2;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: left;
    position: relative;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(82, 82, 224, 0.3);
}

.step h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta, .about-cta {
    background: #5252e0;
    padding: 5rem 2rem;
    text-align: center;
    margin-top: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta h2, .about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.cta p, .about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.cta .primary-btn, .about-cta .primary-btn {
    background-color: white;
    color: #5252e0;
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.cta .primary-btn:hover, .about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Estilos para a página About */
.about-header {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background: linear-gradient(180deg, #f5f7ff, white);
    position: relative;
}

.about-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), #000000);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-header p {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #eee;
    gap: 3rem;
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    object-fit: cover;
}

/* Placeholders para imagens */
.placeholder-image {
    background-color: #f0f0f5;
    height: 300px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 2px dashed rgba(82, 82, 224, 0.3);
    font-size: 1.5rem;
    margin: 1rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.placeholder-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
    border-color: rgba(82, 82, 224, 0.5);
}

.placeholder-member {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: #f0f0f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 5px solid white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    font-size: 1.2rem;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.team-member:hover .placeholder-member {
    box-shadow: 0 12px 30px rgba(82, 82, 224, 0.3);
    border-color: #f8f8ff;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 300px;
    margin: 0 auto;
    line-height: 1.6;
}

/* CTA na página About */
.about-cta {
    background: linear-gradient(45deg, var(--primary-color), #5252e0);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    overflow: hidden;
}

.about-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
    background-size: 150px;
}

.about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn {
    background-color: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .cta-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        width: 100%;
        justify-content: space-between;
    }

    .about-section {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }
    
    .about-section.reverse {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 1.5rem;
    }
    
    .about-content h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-content ul {
        display: inline-block;
        text-align: left;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    header {
        padding: 0.75rem 1rem;
        position: fixed;
        width: 100%;
        top: 0;
        background-color: white;
    }
    
    .logo a {
        font-size: 1.5rem;
    }
    
    main {
        margin-top: 60px;
    }
    
    .hero {
        padding: 2rem 1rem;
        gap: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    .hero-buttons a {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .features {
        padding: 2.5rem 1rem;
    }
    
    .features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .feature-card {
        margin-bottom: 1.5rem;
        padding: 1.5rem;
    }
    
    .how-it-works {
        padding: 2.5rem 1rem;
    }
    
    .how-it-works h2 {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    .step {
        margin-bottom: 2.5rem;
        padding-top: 2rem;
    }
    
    .step-number {
        top: -15px;
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .testimonials {
        padding: 2.5rem 1rem;
    }
    
    .testimonials h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .testimonial-content {
        padding: 1.5rem;
    }
    
    .cta {
        padding: 2.5rem 1rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
    
    .cta p {
        font-size: 1rem;
    }
    
    footer {
        padding: 2.5rem 1rem 1.5rem;
    }
    
    .footer-logo h3 {
        font-size: 1.5rem;
    }
    
    .footer-links-column {
        margin-bottom: 1.5rem;
        min-width: 140px;
    }
    
    .about-header {
        padding: 2.5rem 1rem 2rem;
    }
    
    .about-header h1 {
        font-size: 2rem;
    }
    
    .about-header p {
        font-size: 1rem;
    }
    
    .about-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-image {
        height: 200px;
        margin: 0.5rem 0 1.5rem;
    }
    
    .about-content h2 {
        font-size: 1.8rem;
    }
    
    .about-content h3 {
        font-size: 1.4rem;
    }
    
    .about-content p {
        font-size: 1rem;
    }
    
    .team-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-member {
        width: 150px;
        height: 150px;
    }
    
    .about-cta {
        padding: 2.5rem 1rem;
    }
    
    .about-cta h2 {
        font-size: 1.8rem;
    }
    
    .main-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        z-index: 100;
        flex-direction: column;
    }
    
    .main-menu.active {
        display: flex;
    }
    
    .main-menu li {
        margin: 0;
    }
    
    .main-menu li a {
        display: block;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .main-menu li:last-child a {
        border-bottom: none;
    }
    
    .auth-buttons {
        display: none;
    }
    
    .auth-buttons.active {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        padding: 1rem 1.5rem;
        background-color: #f5f5f7;
    }
    
    .auth-buttons.active button {
        width: 100%;
        text-align: center;
        padding: 0.8rem;
    }
    
    .mobile-menu-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .features h2, 
    .how-it-works h2, 
    .testimonials h2, 
    .cta h2, 
    .about-header h1 {
        font-size: 1.6rem;
    }
    
    .about-content h2 {
        font-size: 1.6rem;
    }
    
    .about-content h3 {
        font-size: 1.3rem;
    }
    
    .feature-card, 
    .step, 
    .testimonial-content {
        padding: 1.25rem;
    }
    
    .placeholder-image {
        height: 180px;
    }
    
    .placeholder-member {
        width: 130px;
        height: 130px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
}

.about-content {
    flex: 1;
    min-width: 300px;
    padding: 1rem;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    position: relative;
}

.about-content h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.about-content h3 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--dark-color);
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.05rem;
}

.about-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.about-content ul li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.8rem;
    line-height: 1.6;
}

.about-content ul li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -0.3rem;
}

/* Estilos para página de Análise */
.analyze-header {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 2rem 3rem;
    text-align: center;
}

.analyze-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.analyze-header p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.analyze-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.analyze-container {
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
    margin-top: -3rem;
}

.analyze-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
}

.analyze-tab {
    padding: 1rem 1.5rem;
    margin-right: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.analyze-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.upload-area {
    border: 2px dashed #ddd;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(82, 82, 224, 0.03);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.upload-area h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.file-input {
    display: none;
}

.upload-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.upload-btn:hover {
    background-color: var(--secondary-color);
}

.or-divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--text-light);
}

.or-divider::before, .or-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: #eee;
}

.or-divider span {
    padding: 0 1rem;
}

.url-input-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.url-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.url-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(82, 82, 224, 0.2);
}

.analyze-features {
    background-color: #f5f7ff;
    padding: 4rem 2rem;
    text-align: center;
}

.analyze-features h2 {
    font-size: 2.2rem;
    margin-bottom: 3rem;
}

/* Responsividade para página de análise */
@media (max-width: 768px) {
    .analyze-header {
        padding: 3rem 1.5rem 2rem;
    }
    
    .analyze-header h1 {
        font-size: 2rem;
    }
    
    .analyze-header p {
        font-size: 1.1rem;
    }
    
    .analyze-section {
        padding: 2rem 1rem;
    }
    
    .analyze-container {
        padding: 1.5rem;
        margin-top: -2rem;
    }
    
    .analyze-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        padding-bottom: 0.5rem;
    }
    
    .analyze-tab {
        padding: 0.75rem 1rem;
        margin-right: 0.5rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-area i {
        font-size: 2.5rem;
    }
    
    .upload-area h3 {
        font-size: 1.3rem;
    }
    
    .url-input-container {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .upload-btn, .primary-btn {
        width: 100%;
    }
    
    .analyze-features {
        padding: 3rem 1.5rem;
    }
    
    .analyze-features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .analyze-header h1 {
        font-size: 1.8rem;
    }
    
    .analyze-header p {
        font-size: 1rem;
    }
    
    .analyze-container {
        padding: 1.25rem;
        border-radius: 12px;
    }
    
    .upload-area {
        padding: 1.5rem 1rem;
    }
    
    .upload-area i {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .upload-area h3 {
        font-size: 1.2rem;
    }
    
    .analyze-features h2 {
        font-size: 1.6rem;
    }
}

.language-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
    transition: var(--transition);
}

.language-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.language-menu {
    display: none;
    position: absolute;
    top: 60px;
    right: 150px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    overflow: hidden;
}

.language-menu.active {
    display: block;
}

.language-menu a {
    display: block;
    padding: 12px 16px;
    border-bottom: 1px solid #f0f0f0;
    transition: var(--transition);
}

.language-menu a:last-child {
    border-bottom: none;
}

.language-menu a:hover {
    background-color: #f5f5f7;
}

.language-menu a.active {
    background-color: #f0f0ff;
    color: var(--primary-color);
    font-weight: 500;
}

/* Navegação para index.html e about.html */
.main-menu {
    display: flex;
}

.main-menu li {
    margin: 0 1rem;
}

.main-menu a {
    font-weight: 500;
    transition: var(--transition);
}

.main-menu a:hover {
    color: var(--primary-color);
}

/* Footer */
.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 450px;
    width: 100%;
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    gap: 0.5rem;
}

.google-btn:hover {
    background-color: #f5f5f5;
}

.google-btn i {
    color: #4285F4;
    font-size: 1.25rem;
}

/* Seção Como Funciona */
.how-it-works {
    padding: 5rem 2rem;
    background-color: #f5f7ff;
    text-align: center;
    position: relative;
}

.how-it-works:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(0deg, white, transparent);
    z-index: 1;
}

.how-it-works h2 {
    font-size: 2.3rem;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 2;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: left;
    position: relative;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(82, 82, 224, 0.3);
}

.step h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta, .about-cta {
    background: #5252e0;
    padding: 5rem 2rem;
    text-align: center;
    margin-top: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta h2, .about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.cta p, .about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.cta .primary-btn, .about-cta .primary-btn {
    background-color: white;
    color: #5252e0;
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.cta .primary-btn:hover, .about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Estilos para a página About */
.about-header {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background: linear-gradient(180deg, #f5f7ff, white);
    position: relative;
}

.about-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), #000000);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-header p {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #eee;
    gap: 3rem;
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    object-fit: cover;
}

/* Placeholders para imagens */
.placeholder-image {
    background-color: #f0f0f5;
    height: 300px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 2px dashed rgba(82, 82, 224, 0.3);
    font-size: 1.5rem;
    margin: 1rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.placeholder-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
    border-color: rgba(82, 82, 224, 0.5);
}

.placeholder-member {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: #f0f0f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 5px solid white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    font-size: 1.2rem;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.team-member:hover .placeholder-member {
    box-shadow: 0 12px 30px rgba(82, 82, 224, 0.3);
    border-color: #f8f8ff;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 300px;
    margin: 0 auto;
    line-height: 1.6;
}

/* CTA na página About */
.about-cta {
    background: linear-gradient(45deg, var(--primary-color), #5252e0);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    overflow: hidden;
}

.about-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
    background-size: 150px;
}

.about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn {
    background-color: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .cta-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        width: 100%;
        justify-content: space-between;
    }

    .about-section {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }
    
    .about-section.reverse {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 1.5rem;
    }
    
    .about-content h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-content ul {
        display: inline-block;
        text-align: left;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    header {
        padding: 0.75rem 1rem;
        position: fixed;
        width: 100%;
        top: 0;
        background-color: white;
    }
    
    .logo a {
        font-size: 1.5rem;
    }
    
    main {
        margin-top: 60px;
    }
    
    .hero {
        padding: 2rem 1rem;
        gap: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    .hero-buttons a {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .features {
        padding: 2.5rem 1rem;
    }
    
    .features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .feature-card {
        margin-bottom: 1.5rem;
        padding: 1.5rem;
    }
    
    .how-it-works {
        padding: 2.5rem 1rem;
    }
    
    .how-it-works h2 {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    .step {
        margin-bottom: 2.5rem;
        padding-top: 2rem;
    }
    
    .step-number {
        top: -15px;
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .testimonials {
        padding: 2.5rem 1rem;
    }
    
    .testimonials h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .testimonial-content {
        padding: 1.5rem;
    }
    
    .cta {
        padding: 2.5rem 1rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
    
    .cta p {
        font-size: 1rem;
    }
    
    footer {
        padding: 2.5rem 1rem 1.5rem;
    }
    
    .footer-logo h3 {
        font-size: 1.5rem;
    }
    
    .footer-links-column {
        margin-bottom: 1.5rem;
        min-width: 140px;
    }
    
    .about-header {
        padding: 2.5rem 1rem 2rem;
    }
    
    .about-header h1 {
        font-size: 2rem;
    }
    
    .about-header p {
        font-size: 1rem;
    }
    
    .about-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-image {
        height: 200px;
        margin: 0.5rem 0 1.5rem;
    }
    
    .about-content h2 {
        font-size: 1.8rem;
    }
    
    .about-content h3 {
        font-size: 1.4rem;
    }
    
    .about-content p {
        font-size: 1rem;
    }
    
    .team-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-member {
        width: 150px;
        height: 150px;
    }
    
    .about-cta {
        padding: 2.5rem 1rem;
    }
    
    .about-cta h2 {
        font-size: 1.8rem;
    }
    
    .main-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        z-index: 100;
        flex-direction: column;
    }
    
    .main-menu.active {
        display: flex;
    }
    
    .main-menu li {
        margin: 0;
    }
    
    .main-menu li a {
        display: block;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .main-menu li:last-child a {
        border-bottom: none;
    }
    
    .auth-buttons {
        display: none;
    }
    
    .auth-buttons.active {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        padding: 1rem 1.5rem;
        background-color: #f5f5f7;
    }
    
    .auth-buttons.active button {
        width: 100%;
        text-align: center;
        padding: 0.8rem;
    }
    
    .mobile-menu-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .features h2, 
    .how-it-works h2, 
    .testimonials h2, 
    .cta h2, 
    .about-header h1 {
        font-size: 1.6rem;
    }
    
    .about-content h2 {
        font-size: 1.6rem;
    }
    
    .about-content h3 {
        font-size: 1.3rem;
    }
    
    .feature-card, 
    .step, 
    .testimonial-content {
        padding: 1.25rem;
    }
    
    .placeholder-image {
        height: 180px;
    }
    
    .placeholder-member {
        width: 130px;
        height: 130px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
}

.about-content {
    flex: 1;
    min-width: 300px;
    padding: 1rem;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    position: relative;
}

.about-content h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.about-content h3 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--dark-color);
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.05rem;
}

.about-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.about-content ul li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.8rem;
    line-height: 1.6;
}

.about-content ul li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -0.3rem;
}

/* Estilos para página de Análise */
.analyze-header {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 2rem 3rem;
    text-align: center;
}

.analyze-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.analyze-header p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.analyze-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.analyze-container {
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
    margin-top: -3rem;
}

.analyze-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
}

.analyze-tab {
    padding: 1rem 1.5rem;
    margin-right: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.analyze-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.upload-area {
    border: 2px dashed #ddd;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(82, 82, 224, 0.03);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.upload-area h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.file-input {
    display: none;
}

.upload-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.upload-btn:hover {
    background-color: var(--secondary-color);
}

.or-divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--text-light);
}

.or-divider::before, .or-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: #eee;
}

.or-divider span {
    padding: 0 1rem;
}

.url-input-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.url-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.url-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(82, 82, 224, 0.2);
}

.analyze-features {
/* Reset e estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #5252e0;
    --secondary-color: #7c7ce4;
    --dark-color: #14141f;
    --light-color: #f5f5f7;
    --text-color: #333;
    --text-light: #777;
    --border-radius: 8px;
    --box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    --card-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
    --gradient-primary: linear-gradient(90deg, var(--primary-color), #7373f0);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fafafa;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
    font-size: 1rem;
}

/* Cabeçalho */
header {
    position: sticky;
    top: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    z-index: 100;
}

.logo a {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    transition: var(--transition);
}

.logo a:hover {
    opacity: 0.9;
}

.main-menu {
    display: flex;
}

.main-menu li {
    margin: 0 1rem;
}

.main-menu a {
    font-weight: 500;
    transition: var(--transition);
}

.main-menu a:hover {
    color: var(--primary-color);
}

.highlight-btn {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
}

.auth-buttons {
    display: flex;
    gap: 1rem;
}

.auth-buttons button, .primary-btn, .secondary-btn {
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    padding: 0.6rem 1.5rem;
}

#login-btn {
    background-color: transparent;
    color: var(--text-color);
}

.primary-btn {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 12px rgba(82, 82, 224, 0.25);
}

.primary-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(82, 82, 224, 0.35);
}

.secondary-btn {
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
}

.secondary-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Seção Hero */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    gap: 2rem;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.2rem;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
}

.hero-image {
    flex: 1;
    position: relative;
    max-width: 500px;
}

.hero-image img {
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.5s ease;
}

.hero-image img:hover {
    transform: perspective(1000px) rotateY(0deg);
}

/* Seção de recursos */
.features {
    padding: 5rem 2rem;
    background-color: #f5f5f7;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.features:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 150px;
    background: linear-gradient(180deg, white, transparent);
    z-index: 1;
}

.features h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 3rem;
    position: relative;
    z-index: 2;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.feature-card {
    background-color: white;
    padding: 2.5rem 2rem;
    border-radius: 15px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.feature-card i {
    font-size: 2.75rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    transition: transform 0.5s ease;
}

.feature-card:hover i {
    transform: scale(1.15);
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.feature-card p {
    color: var(--text-light);
    margin-top: auto;
}

/* Galeria */
.gallery {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.gallery h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 3rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    overflow: hidden;
    border-radius: 8px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.gallery-item:hover {
    transform: scale(1.03);
}

/* Seção de depoimentos */
.testimonials {
    padding: 5rem 2rem;
    text-align: center;
    background-color: white;
    position: relative;
}

.testimonials h2 {
    font-size: 2.3rem;
    margin-bottom: 3rem;
    color: var(--dark-color);
}

.testimonials-carousel {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    overflow: hidden;
}

.testimonial {
    padding: 1rem;
    display: none;
    transition: all 0.3s ease;
}

.testimonial.active {
    display: block;
}

.testimonial-content {
    background-color: #f5f7ff;
    padding: 2.5rem;
    border-radius: 16px;
    margin-bottom: 2rem;
    position: relative;
    box-shadow: var(--box-shadow);
}

.testimonial-content:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50px;
    width: 20px;
    height: 20px;
    background-color: #f5f7ff;
    transform: rotate(45deg);
}

.testimonial-content p {
    font-style: italic;
    line-height: 1.7;
    font-size: 1.15rem;
    color: var(--text-color);
}

.testimonial-author {
    display: flex;
    align-items: center;
    padding-left: 30px;
}

.testimonial-author img {
    width: 65px;
    height: 65px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 1.2rem;
    border: 3px solid white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

.testimonial-author div {
    text-align: left;
}

.testimonial-author h4 {
    font-size: 1.2rem;
    margin: 0;
    color: var(--primary-color);
}

.testimonial-author p {
    margin: 0;
    color: var(--text-light);
}

.carousel-dots {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

.dot {
    height: 12px;
    width: 12px;
    background-color: #ddd;
    border-radius: 50%;
    margin: 0 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background-color: var(--primary-color);
    transform: scale(1.2);
}

/* Rodapé */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 4rem 2rem 2rem;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
}

.footer-logo h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.footer-logo p {
    color: #aaa;
    max-width: 300px;
    font-size: 0.95rem;
}

.footer-links {
    display: flex;
    gap: 3rem;
    flex-wrap: wrap;
}

.footer-links-column h4 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: #eee;
}

.footer-links-column ul li {
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.footer-links-column ul li a {
    color: #aaa;
    transition: var(--transition);
}

.footer-links-column ul li a:hover {
    color: white;
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icons a {
    color: #aaa;
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-icons a:hover {
    color: white;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

.footer-bottom p {
    content: "© 2025 kotlr.ai. All rights reserved.";
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 450px;
    width: 100%;
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    gap: 0.5rem;
}

.google-btn:hover {
    background-color: #f5f5f5;
}

.google-btn i {
    color: #4285F4;
    font-size: 1.25rem;
}

/* Seção Como Funciona */
.how-it-works {
    padding: 5rem 2rem;
    background-color: #f5f7ff;
    text-align: center;
    position: relative;
}

.how-it-works:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(0deg, white, transparent);
    z-index: 1;
}

.how-it-works h2 {
    font-size: 2.3rem;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 2;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: left;
    position: relative;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(82, 82, 224, 0.3);
}

.step h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta, .about-cta {
    background: #5252e0;
    padding: 5rem 2rem;
    text-align: center;
    margin-top: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta h2, .about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.cta p, .about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.cta .primary-btn, .about-cta .primary-btn {
    background-color: white;
    color: #5252e0;
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.cta .primary-btn:hover, .about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Estilos para a página About */
.about-header {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background: linear-gradient(180deg, #f5f7ff, white);
    position: relative;
}

.about-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), #000000);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-header p {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #eee;
    gap: 3rem;
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    object-fit: cover;
}

/* Placeholders para imagens */
.placeholder-image {
    background-color: #f0f0f5;
    height: 300px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 2px dashed rgba(82, 82, 224, 0.3);
    font-size: 1.5rem;
    margin: 1rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.placeholder-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
    border-color: rgba(82, 82, 224, 0.5);
}

.placeholder-member {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: #f0f0f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 5px solid white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    font-size: 1.2rem;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.team-member:hover .placeholder-member {
    box-shadow: 0 12px 30px rgba(82, 82, 224, 0.3);
    border-color: #f8f8ff;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 300px;
    margin: 0 auto;
    line-height: 1.6;
}

/* CTA na página About */
.about-cta {
    background: linear-gradient(45deg, var(--primary-color), #5252e0);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    overflow: hidden;
}

.about-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
    background-size: 150px;
}

.about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn {
    background-color: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .cta-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        width: 100%;
        justify-content: space-between;
    }

    .about-section {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }
    
    .about-section.reverse {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 1.5rem;
    }
    
    .about-content h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-content ul {
        display: inline-block;
        text-align: left;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    header {
        padding: 0.75rem 1rem;
        position: fixed;
        width: 100%;
        top: 0;
        background-color: white;
    }
    
    .logo a {
        font-size: 1.5rem;
    }
    
    main {
        margin-top: 60px;
    }
    
    .hero {
        padding: 2rem 1rem;
        gap: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    .hero-buttons a {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .features {
        padding: 2.5rem 1rem;
    }
    
    .features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .feature-card {
        margin-bottom: 1.5rem;
        padding: 1.5rem;
    }
    
    .how-it-works {
        padding: 2.5rem 1rem;
    }
    
    .how-it-works h2 {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    .step {
        margin-bottom: 2.5rem;
        padding-top: 2rem;
    }
    
    .step-number {
        top: -15px;
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .testimonials {
        padding: 2.5rem 1rem;
    }
    
    .testimonials h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .testimonial-content {
        padding: 1.5rem;
    }
    
    .cta {
        padding: 2.5rem 1rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
    
    .cta p {
        font-size: 1rem;
    }
    
    footer {
        padding: 2.5rem 1rem 1.5rem;
    }
    
    .footer-logo h3 {
        font-size: 1.5rem;
    }
    
    .footer-links-column {
        margin-bottom: 1.5rem;
        min-width: 140px;
    }
    
    .about-header {
        padding: 2.5rem 1rem 2rem;
    }
    
    .about-header h1 {
        font-size: 2rem;
    }
    
    .about-header p {
        font-size: 1rem;
    }
    
    .about-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-image {
        height: 200px;
        margin: 0.5rem 0 1.5rem;
    }
    
    .about-content h2 {
        font-size: 1.8rem;
    }
    
    .about-content h3 {
        font-size: 1.4rem;
    }
    
    .about-content p {
        font-size: 1rem;
    }
    
    .team-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-member {
        width: 150px;
        height: 150px;
    }
    
    .about-cta {
        padding: 2.5rem 1rem;
    }
    
    .about-cta h2 {
        font-size: 1.8rem;
    }
    
    .main-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        z-index: 100;
        flex-direction: column;
    }
    
    .main-menu.active {
        display: flex;
    }
    
    .main-menu li {
        margin: 0;
    }
    
    .main-menu li a {
        display: block;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .main-menu li:last-child a {
        border-bottom: none;
    }
    
    .auth-buttons {
        display: none;
    }
    
    .auth-buttons.active {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        padding: 1rem 1.5rem;
        background-color: #f5f5f7;
    }
    
    .auth-buttons.active button {
        width: 100%;
        text-align: center;
        padding: 0.8rem;
    }
    
    .mobile-menu-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .features h2, 
    .how-it-works h2, 
    .testimonials h2, 
    .cta h2, 
    .about-header h1 {
        font-size: 1.6rem;
    }
    
    .about-content h2 {
        font-size: 1.6rem;
    }
    
    .about-content h3 {
        font-size: 1.3rem;
    }
    
    .feature-card, 
    .step, 
    .testimonial-content {
        padding: 1.25rem;
    }
    
    .placeholder-image {
        height: 180px;
    }
    
    .placeholder-member {
        width: 130px;
        height: 130px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
}

.about-content {
    flex: 1;
    min-width: 300px;
    padding: 1rem;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    position: relative;
}

.about-content h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.about-content h3 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--dark-color);
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.05rem;
}

.about-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.about-content ul li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.8rem;
    line-height: 1.6;
}

.about-content ul li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -0.3rem;
}

/* Estilos para página de Análise */
.analyze-header {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 2rem 3rem;
    text-align: center;
}

.analyze-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.analyze-header p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.analyze-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.analyze-container {
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
    margin-top: -3rem;
}

.analyze-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
}

.analyze-tab {
    padding: 1rem 1.5rem;
    margin-right: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.analyze-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.upload-area {
    border: 2px dashed #ddd;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(82, 82, 224, 0.03);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.upload-area h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.file-input {
    display: none;
}

.upload-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.upload-btn:hover {
    background-color: var(--secondary-color);
}

.or-divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--text-light);
}

.or-divider::before, .or-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: #eee;
}

.or-divider span {
    padding: 0 1rem;
}

.url-input-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.url-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.url-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(82, 82, 224, 0.2);
}

.analyze-features {
    background-color: #f5f7ff;
    padding: 4rem 2rem;
    text-align: center;
}

.analyze-features h2 {
    font-size: 2.2rem;
    margin-bottom: 3rem;
}

/* Responsividade para página de análise */
@media (max-width: 768px) {
    .analyze-header {
        padding: 3rem 1.5rem 2rem;
    }
    
    .analyze-header h1 {
        font-size: 2rem;
    }
    
    .analyze-header p {
        font-size: 1.1rem;
    }
    
    .analyze-section {
        padding: 2rem 1rem;
    }
    
    .analyze-container {
        padding: 1.5rem;
        margin-top: -2rem;
    }
    
    .analyze-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        padding-bottom: 0.5rem;
    }
    
    .analyze-tab {
        padding: 0.75rem 1rem;
        margin-right: 0.5rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-area i {
        font-size: 2.5rem;
    }
    
    .upload-area h3 {
        font-size: 1.3rem;
    }
    
    .url-input-container {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .upload-btn, .primary-btn {
        width: 100%;
    }
    
    .analyze-features {
        padding: 3rem 1.5rem;
    }
    
    .analyze-features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .analyze-header h1 {
        font-size: 1.8rem;
    }
    
    .analyze-header p {
        font-size: 1rem;
    }
    
    .analyze-container {
        padding: 1.25rem;
        border-radius: 12px;
    }
    
    .upload-area {
        padding: 1.5rem 1rem;
    }
    
    .upload-area i {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .upload-area h3 {
        font-size: 1.2rem;
    }
    
    .analyze-features h2 {
        font-size: 1.6rem;
    }
}

.language-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
    transition: var(--transition);
}

.language-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.language-menu {
    display: none;
    position: absolute;
    top: 60px;
    right: 150px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    overflow: hidden;
}

.language-menu.active {
    display: block;
}

.language-menu a {
    display: block;
    padding: 12px 16px;
    border-bottom: 1px solid #f0f0f0;
    transition: var(--transition);
}

.language-menu a:last-child {
    border-bottom: none;
}

.language-menu a:hover {
    background-color: #f5f5f7;
}

.language-menu a.active {
    background-color: #f0f0ff;
    color: var(--primary-color);
    font-weight: 500;
}

/* Navegação para index.html e about.html */
.main-menu {
    display: flex;
}

.main-menu li {
    margin: 0 1rem;
}

.main-menu a {
    font-weight: 500;
    transition: var(--transition);
}

.main-menu a:hover {
    color: var(--primary-color);
}

/* Footer */
.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 450px;
    width: 100%;
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    gap: 0.5rem;
}

.google-btn:hover {
    background-color: #f5f5f5;
}

.google-btn i {
    color: #4285F4;
    font-size: 1.25rem;
}

/* Seção Como Funciona */
.how-it-works {
    padding: 5rem 2rem;
    background-color: #f5f7ff;
    text-align: center;
    position: relative;
}

.how-it-works:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(0deg, white, transparent);
    z-index: 1;
}

.how-it-works h2 {
    font-size: 2.3rem;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 2;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: left;
    position: relative;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(82, 82, 224, 0.3);
}

.step h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta, .about-cta {
    background: #5252e0;
    padding: 5rem 2rem;
    text-align: center;
    margin-top: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta h2, .about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.cta p, .about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.cta .primary-btn, .about-cta .primary-btn {
    background-color: white;
    color: #5252e0;
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.cta .primary-btn:hover, .about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Estilos para a página About */
.about-header {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background: linear-gradient(180deg, #f5f7ff, white);
    position: relative;
}

.about-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), #000000);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-header p {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #eee;
    gap: 3rem;
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    object-fit: cover;
}

/* Placeholders para imagens */
.placeholder-image {
    background-color: #f0f0f5;
    height: 300px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 2px dashed rgba(82, 82, 224, 0.3);
    font-size: 1.5rem;
    margin: 1rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.placeholder-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
    border-color: rgba(82, 82, 224, 0.5);
}

.placeholder-member {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: #f0f0f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 5px solid white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    font-size: 1.2rem;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.team-member:hover .placeholder-member {
    box-shadow: 0 12px 30px rgba(82, 82, 224, 0.3);
    border-color: #f8f8ff;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 300px;
    margin: 0 auto;
    line-height: 1.6;
}

/* CTA na página About */
.about-cta {
    background: linear-gradient(45deg, var(--primary-color), #5252e0);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    overflow: hidden;
}

.about-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
    background-size: 150px;
}

.about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn {
    background-color: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .cta-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        width: 100%;
        justify-content: space-between;
    }

    .about-section {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }
    
    .about-section.reverse {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 1.5rem;
    }
    
    .about-content h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-content ul {
        display: inline-block;
        text-align: left;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    header {
        padding: 0.75rem 1rem;
        position: fixed;
        width: 100%;
        top: 0;
        background-color: white;
    }
    
    .logo a {
        font-size: 1.5rem;
    }
    
    main {
        margin-top: 60px;
    }
    
    .hero {
        padding: 2rem 1rem;
        gap: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    .hero-buttons a {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .features {
        padding: 2.5rem 1rem;
    }
    
    .features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .feature-card {
        margin-bottom: 1.5rem;
        padding: 1.5rem;
    }
    
    .how-it-works {
        padding: 2.5rem 1rem;
    }
    
    .how-it-works h2 {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    .step {
        margin-bottom: 2.5rem;
        padding-top: 2rem;
    }
    
    .step-number {
        top: -15px;
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .testimonials {
        padding: 2.5rem 1rem;
    }
    
    .testimonials h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .testimonial-content {
        padding: 1.5rem;
    }
    
    .cta {
        padding: 2.5rem 1rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
    
    .cta p {
        font-size: 1rem;
    }
    
    footer {
        padding: 2.5rem 1rem 1.5rem;
    }
    
    .footer-logo h3 {
        font-size: 1.5rem;
    }
    
    .footer-links-column {
        margin-bottom: 1.5rem;
        min-width: 140px;
    }
    
    .about-header {
        padding: 2.5rem 1rem 2rem;
    }
    
    .about-header h1 {
        font-size: 2rem;
    }
    
    .about-header p {
        font-size: 1rem;
    }
    
    .about-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-image {
        height: 200px;
        margin: 0.5rem 0 1.5rem;
    }
    
    .about-content h2 {
        font-size: 1.8rem;
    }
    
    .about-content h3 {
        font-size: 1.4rem;
    }
    
    .about-content p {
        font-size: 1rem;
    }
    
    .team-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-member {
        width: 150px;
        height: 150px;
    }
    
    .about-cta {
        padding: 2.5rem 1rem;
    }
    
    .about-cta h2 {
        font-size: 1.8rem;
    }
    
    .main-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        z-index: 100;
        flex-direction: column;
    }
    
    .main-menu.active {
        display: flex;
    }
    
    .main-menu li {
        margin: 0;
    }
    
    .main-menu li a {
        display: block;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .main-menu li:last-child a {
        border-bottom: none;
    }
    
    .auth-buttons {
        display: none;
    }
    
    .auth-buttons.active {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        padding: 1rem 1.5rem;
        background-color: #f5f5f7;
    }
    
    .auth-buttons.active button {
        width: 100%;
        text-align: center;
        padding: 0.8rem;
    }
    
    .mobile-menu-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .features h2, 
    .how-it-works h2, 
    .testimonials h2, 
    .cta h2, 
    .about-header h1 {
        font-size: 1.6rem;
    }
    
    .about-content h2 {
        font-size: 1.6rem;
    }
    
    .about-content h3 {
        font-size: 1.3rem;
    }
    
    .feature-card, 
    .step, 
    .testimonial-content {
        padding: 1.25rem;
    }
    
    .placeholder-image {
        height: 180px;
    }
    
    .placeholder-member {
        width: 130px;
        height: 130px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
}

.about-content {
    flex: 1;
    min-width: 300px;
    padding: 1rem;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    position: relative;
}

.about-content h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.about-content h3 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--dark-color);
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.05rem;
}

.about-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.about-content ul li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.8rem;
    line-height: 1.6;
}

.about-content ul li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -0.3rem;
}

/* Estilos para página de Análise */
.analyze-header {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 2rem 3rem;
    text-align: center;
}

.analyze-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.analyze-header p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.analyze-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.analyze-container {
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
    margin-top: -3rem;
}

.analyze-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
}

.analyze-tab {
    padding: 1rem 1.5rem;
    margin-right: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.analyze-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.upload-area {
    border: 2px dashed #ddd;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(82, 82, 224, 0.03);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.upload-area h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.file-input {
    display: none;
}

.upload-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.upload-btn:hover {
    background-color: var(--secondary-color);
}

.or-divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--text-light);
}

.or-divider::before, .or-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: #eee;
}

.or-divider span {
    padding: 0 1rem;
}

.url-input-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.url-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.url-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(82, 82, 224, 0.2);
}

.analyze-features {
    background-color: #f5f7ff;
    padding: 4rem 2rem;
    text-align: center;
}

.analyze-features h2 {
    font-size: 2.2rem;
    margin-bottom: 3rem;
}

/* Responsividade para página de análise */
@media (max-width: 768px) {
    .analyze-header {
        padding: 3rem 1.5rem 2rem;
    }
    
    .analyze-header h1 {
        font-size: 2rem;
    }
    
    .analyze-header p {
        font-size: 1.1rem;
    }
    
    .analyze-section {
        padding: 2rem 1rem;
    }
    
    .analyze-container {
        padding: 1.5rem;
        margin-top: -2rem;
    }
    
    .analyze-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        padding-bottom: 0.5rem;
    }
    
    .analyze-tab {
        padding: 0.75rem 1rem;
        margin-right: 0.5rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-area i {
        font-size: 2.5rem;
    }
    
    .upload-area h3 {
        font-size: 1.3rem;
    }
    
    .url-input-container {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .upload-btn, .primary-btn {
        width: 100%;
    }
    
    .analyze-features {
        padding: 3rem 1.5rem;
    }
    
    .analyze-features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .analyze-header h1 {
        font-size: 1.8rem;
    }
    
    .analyze-header p {
        font-size: 1rem;
    }
    
    .analyze-container {
        padding: 1.25rem;
        border-radius: 12px;
    }
    
    .upload-area {
        padding: 1.5rem 1rem;
    }
    
    .upload-area i {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .upload-area h3 {
        font-size: 1.2rem;
    }
    
    .analyze-features h2 {
        font-size: 1.6rem;
    }
}

.language-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
    transition: var(--transition);
}

.language-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.language-menu {
    display: none;
    position: absolute;
    top: 60px;
    right: 150px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    overflow: hidden;
}

.language-menu.active {
    display: block;
}

.language-menu a {
    display: block;
    padding: 12px 16px;
    border-bottom: 1px solid #f0f0f0;
    transition: var(--transition);
}

.language-menu a:last-child {
    border-bottom: none;
}

.language-menu a:hover {
    background-color: #f5f5f7;
}

.language-menu a.active {
    background-color: #f0f0ff;
    color: var(--primary-color);
    font-weight: 500;
}

/* Navegação para index.html e about.html */
.main-menu {
    display: flex;
}

.main-menu li {
    margin: 0 1rem;
}

.main-menu a {
    font-weight: 500;
    transition: var(--transition);
}

.main-menu a:hover {
    color: var(--primary-color);
}

/* Footer */
.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 450px;
    width: 100%;
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    gap: 0.5rem;
}

.google-btn:hover {
    background-color: #f5f5f5;
}

.google-btn i {
    color: #4285F4;
    font-size: 1.25rem;
}

/* Seção Como Funciona */
.how-it-works {
    padding: 5rem 2rem;
    background-color: #f5f7ff;
    text-align: center;
    position: relative;
}

.how-it-works:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(0deg, white, transparent);
    z-index: 1;
}

.how-it-works h2 {
    font-size: 2.3rem;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 2;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: left;
    position: relative;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(82, 82, 224, 0.3);
}

.step h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta, .about-cta {
    background: #5252e0;
    padding: 5rem 2rem;
    text-align: center;
    margin-top: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta h2, .about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.cta p, .about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.cta .primary-btn, .about-cta .primary-btn {
    background-color: white;
    color: #5252e0;
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.cta .primary-btn:hover, .about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Estilos para a página About */
.about-header {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background: linear-gradient(180deg, #f5f7ff, white);
    position: relative;
}

.about-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), #000000);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-header p {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #eee;
    gap: 3rem;
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    object-fit: cover;
}

/* Placeholders para imagens */
.placeholder-image {
    background-color: #f0f0f5;
    height: 300px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 2px dashed rgba(82, 82, 224, 0.3);
    font-size: 1.5rem;
    margin: 1rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.placeholder-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
    border-color: rgba(82, 82, 224, 0.5);
}

.placeholder-member {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: #f0f0f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 5px solid white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    font-size: 1.2rem;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.team-member:hover .placeholder-member {
    box-shadow: 0 12px 30px rgba(82, 82, 224, 0.3);
    border-color: #f8f8ff;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 300px;
    margin: 0 auto;
    line-height: 1.6;
}

/* CTA na página About */
.about-cta {
    background: linear-gradient(45deg, var(--primary-color), #5252e0);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    overflow: hidden;
}

.about-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
    background-size: 150px;
}

.about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn {
    background-color: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .cta-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        width: 100%;
        justify-content: space-between;
    }

    .about-section {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }
    
    .about-section.reverse {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 1.5rem;
    }
    
    .about-content h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-content ul {
        display: inline-block;
        text-align: left;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    header {
        padding: 0.75rem 1rem;
        position: fixed;
        width: 100%;
        top: 0;
        background-color: white;
    }
    
    .logo a {
        font-size: 1.5rem;
    }
    
    main {
        margin-top: 60px;
    }
    
    .hero {
        padding: 2rem 1rem;
        gap: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    .hero-buttons a {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .features {
        padding: 2.5rem 1rem;
    }
    
    .features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .feature-card {
        margin-bottom: 1.5rem;
        padding: 1.5rem;
    }
    
    .how-it-works {
        padding: 2.5rem 1rem;
    }
    
    .how-it-works h2 {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    .step {
        margin-bottom: 2.5rem;
        padding-top: 2rem;
    }
    
    .step-number {
        top: -15px;
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .testimonials {
        padding: 2.5rem 1rem;
    }
    
    .testimonials h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .testimonial-content {
        padding: 1.5rem;
    }
    
    .cta {
        padding: 2.5rem 1rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
    
    .cta p {
        font-size: 1rem;
    }
    
    footer {
        padding: 2.5rem 1rem 1.5rem;
    }
    
    .footer-logo h3 {
        font-size: 1.5rem;
    }
    
    .footer-links-column {
        margin-bottom: 1.5rem;
        min-width: 140px;
    }
    
    .about-header {
        padding: 2.5rem 1rem 2rem;
    }
    
    .about-header h1 {
        font-size: 2rem;
    }
    
    .about-header p {
        font-size: 1rem;
    }
    
    .about-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-image {
        height: 200px;
        margin: 0.5rem 0 1.5rem;
    }
    
    .about-content h2 {
        font-size: 1.8rem;
    }
    
    .about-content h3 {
        font-size: 1.4rem;
    }
    
    .about-content p {
        font-size: 1rem;
    }
    
    .team-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-member {
        width: 150px;
        height: 150px;
    }
    
    .about-cta {
        padding: 2.5rem 1rem;
    }
    
    .about-cta h2 {
        font-size: 1.8rem;
    }
    
    .main-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        z-index: 100;
        flex-direction: column;
    }
    
    .main-menu.active {
        display: flex;
    }
    
    .main-menu li {
        margin: 0;
    }
    
    .main-menu li a {
        display: block;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .main-menu li:last-child a {
        border-bottom: none;
    }
    
    .auth-buttons {
        display: none;
    }
    
    .auth-buttons.active {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        padding: 1rem 1.5rem;
        background-color: #f5f5f7;
    }
    
    .auth-buttons.active button {
        width: 100%;
        text-align: center;
        padding: 0.8rem;
    }
    
    .mobile-menu-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .features h2, 
    .how-it-works h2, 
    .testimonials h2, 
    .cta h2, 
    .about-header h1 {
        font-size: 1.6rem;
    }
    
    .about-content h2 {
        font-size: 1.6rem;
    }
    
    .about-content h3 {
        font-size: 1.3rem;
    }
    
    .feature-card, 
    .step, 
    .testimonial-content {
        padding: 1.25rem;
    }
    
    .placeholder-image {
        height: 180px;
    }
    
    .placeholder-member {
        width: 130px;
        height: 130px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
}

.about-content {
    flex: 1;
    min-width: 300px;
    padding: 1rem;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    position: relative;
}

.about-content h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.about-content h3 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--dark-color);
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.05rem;
}

.about-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.about-content ul li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.8rem;
    line-height: 1.6;
}

.about-content ul li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -0.3rem;
}

/* Estilos para página de Análise */
.analyze-header {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 2rem 3rem;
    text-align: center;
}

.analyze-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.analyze-header p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.analyze-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.analyze-container {
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
    margin-top: -3rem;
}

.analyze-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
}

.analyze-tab {
    padding: 1rem 1.5rem;
    margin-right: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.analyze-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.upload-area {
    border: 2px dashed #ddd;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(82, 82, 224, 0.03);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.upload-area h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.file-input {
    display: none;
}

.upload-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.upload-btn:hover {
    background-color: var(--secondary-color);
}

.or-divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--text-light);
}

.or-divider::before, .or-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: #eee;
}

.or-divider span {
    padding: 0 1rem;
}

.url-input-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.url-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.url-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(82, 82, 224, 0.2);
}

.analyze-features {
    background-color: #f5f7ff;
    padding: 4rem 2rem;
    text-align: center;
}

.analyze-features h2 {
    font-size: 2.2rem;
    margin-bottom: 3rem;
}

/* Responsividade para página de análise */
@media (max-width: 768px) {
    .analyze-header {
        padding: 3rem 1.5rem 2rem;
    }
    
    .analyze-header h1 {
        font-size: 2rem;
    }
    
    .analyze-header p {
        font-size: 1.1rem;
    }
    
    .analyze-section {
        padding: 2rem 1rem;
    }
    
    .analyze-container {
        padding: 1.5rem;
        margin-top: -2rem;
    }
    
    .analyze-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        padding-bottom: 0.5rem;
    }
    
    .analyze-tab {
        padding: 0.75rem 1rem;
        margin-right: 0.5rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-area i {
        font-size: 2.5rem;
    }
    
    .upload-area h3 {
        font-size: 1.3rem;
    }
    
    .url-input-container {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .upload-btn, .primary-btn {
        width: 100%;
    }
    
    .analyze-features {
        padding: 3rem 1.5rem;
    }
    
    .analyze-features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .analyze-header h1 {
        font-size: 1.8rem;
    }
    
    .analyze-header p {
        font-size: 1rem;
    }
    
    .analyze-container {
        padding: 1.25rem;
        border-radius: 12px;
    }
    
    .upload-area {
        padding: 1.5rem 1rem;
    }
    
    .upload-area i {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .upload-area h3 {
        font-size: 1.2rem;
    }
    
    .analyze-features h2 {
        font-size: 1.6rem;
    }
}

.language-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
    transition: var(--transition);
}

.language-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.language-menu {
    display: none;
    position: absolute;
    top: 60px;
    right: 150px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    overflow: hidden;
}

.language-menu.active {
    display: block;
}

.language-menu a {
    display: block;
    padding: 12px 16px;
    border-bottom: 1px solid #f0f0f0;
    transition: var(--transition);
}

.language-menu a:last-child {
    border-bottom: none;
}

.language-menu a:hover {
    background-color: #f5f5f7;
}

.language-menu a.active {
    background-color: #f0f0ff;
    color: var(--primary-color);
    font-weight: 500;
}

/* Navegação para index.html e about.html */
.main-menu {
    display: flex;
}

.main-menu li {
    margin: 0 1rem;
}

.main-menu a {
    font-weight: 500;
    transition: var(--transition);
}

.main-menu a:hover {
    color: var(--primary-color);
}

/* Footer */
.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 450px;
    width: 100%;
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    gap: 0.5rem;
}

.google-btn:hover {
    background-color: #f5f5f5;
}

.google-btn i {
    color: #4285F4;
    font-size: 1.25rem;
}

/* Seção Como Funciona */
.how-it-works {
    padding: 5rem 2rem;
    background-color: #f5f7ff;
    text-align: center;
    position: relative;
}

.how-it-works:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(0deg, white, transparent);
    z-index: 1;
}

.how-it-works h2 {
    font-size: 2.3rem;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 2;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: left;
    position: relative;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(82, 82, 224, 0.3);
}

.step h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta, .about-cta {
    background: #5252e0;
    padding: 5rem 2rem;
    text-align: center;
    margin-top: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta h2, .about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.cta p, .about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.cta .primary-btn, .about-cta .primary-btn {
    background-color: white;
    color: #5252e0;
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.cta .primary-btn:hover, .about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Estilos para a página About */
.about-header {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background: linear-gradient(180deg, #f5f7ff, white);
    position: relative;
}

.about-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), #000000);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-header p {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #eee;
    gap: 3rem;
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    object-fit: cover;
}

/* Placeholders para imagens */
.placeholder-image {
    background-color: #f0f0f5;
    height: 300px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 2px dashed rgba(82, 82, 224, 0.3);
    font-size: 1.5rem;
    margin: 1rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.placeholder-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
    border-color: rgba(82, 82, 224, 0.5);
}

.placeholder-member {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: #f0f0f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 5px solid white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    font-size: 1.2rem;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.team-member:hover .placeholder-member {
    box-shadow: 0 12px 30px rgba(82, 82, 224, 0.3);
    border-color: #f8f8ff;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 300px;
    margin: 0 auto;
    line-height: 1.6;
}

/* CTA na página About */
.about-cta {
    background: linear-gradient(45deg, var(--primary-color), #5252e0);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    overflow: hidden;
}

.about-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
    background-size: 150px;
}

.about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn {
    background-color: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .cta-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        width: 100%;
        justify-content: space-between;
    }

    .about-section {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }
    
    .about-section.reverse {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 1.5rem;
    }
    
    .about-content h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-content ul {
        display: inline-block;
        text-align: left;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    header {
        padding: 0.75rem 1rem;
        position: fixed;
        width: 100%;
        top: 0;
        background-color: white;
    }
    
    .logo a {
        font-size: 1.5rem;
    }
    
    main {
        margin-top: 60px;
    }
    
    .hero {
        padding: 2rem 1rem;
        gap: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    .hero-buttons a {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .features {
        padding: 2.5rem 1rem;
    }
    
    .features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .feature-card {
        margin-bottom: 1.5rem;
        padding: 1.5rem;
    }
    
    .how-it-works {
        padding: 2.5rem 1rem;
    }
    
    .how-it-works h2 {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    .step {
        margin-bottom: 2.5rem;
        padding-top: 2rem;
    }
    
    .step-number {
        top: -15px;
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .testimonials {
        padding: 2.5rem 1rem;
    }
    
    .testimonials h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .testimonial-content {
        padding: 1.5rem;
    }
    
    .cta {
        padding: 2.5rem 1rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
    
    .cta p {
        font-size: 1rem;
    }
    
    footer {
        padding: 2.5rem 1rem 1.5rem;
    }
    
    .footer-logo h3 {
        font-size: 1.5rem;
    }
    
    .footer-links-column {
        margin-bottom: 1.5rem;
        min-width: 140px;
    }
    
    .about-header {
        padding: 2.5rem 1rem 2rem;
    }
    
    .about-header h1 {
        font-size: 2rem;
    }
    
    .about-header p {
        font-size: 1rem;
    }
    
    .about-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-image {
        height: 200px;
        margin: 0.5rem 0 1.5rem;
    }
    
    .about-content h2 {
        font-size: 1.8rem;
    }
    
    .about-content h3 {
        font-size: 1.4rem;
    }
    
    .about-content p {
        font-size: 1rem;
    }
    
    .team-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-member {
        width: 150px;
        height: 150px;
    }
    
    .about-cta {
        padding: 2.5rem 1rem;
    }
    
    .about-cta h2 {
        font-size: 1.8rem;
    }
    
    .main-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        z-index: 100;
        flex-direction: column;
    }
    
    .main-menu.active {
        display: flex;
    }
    
    .main-menu li {
        margin: 0;
    }
    
    .main-menu li a {
        display: block;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .main-menu li:last-child a {
        border-bottom: none;
    }
    
    .auth-buttons {
        display: none;
    }
    
    .auth-buttons.active {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        padding: 1rem 1.5rem;
        background-color: #f5f5f7;
    }
    
    .auth-buttons.active button {
        width: 100%;
        text-align: center;
        padding: 0.8rem;
    }
    
    .mobile-menu-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .features h2, 
    .how-it-works h2, 
    .testimonials h2, 
    .cta h2, 
    .about-header h1 {
        font-size: 1.6rem;
    }
    
    .about-content h2 {
        font-size: 1.6rem;
    }
    
    .about-content h3 {
        font-size: 1.3rem;
    }
    
    .feature-card, 
    .step, 
    .testimonial-content {
        padding: 1.25rem;
    }
    
    .placeholder-image {
        height: 180px;
    }
    
    .placeholder-member {
        width: 130px;
        height: 130px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
}

.about-content {
    flex: 1;
    min-width: 300px;
    padding: 1rem;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    position: relative;
}

.about-content h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.about-content h3 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--dark-color);
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.05rem;
}

.about-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.about-content ul li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.8rem;
    line-height: 1.6;
}

.about-content ul li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -0.3rem;
}

/* Estilos para página de Análise */
.analyze-header {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 2rem 3rem;
    text-align: center;
}

.analyze-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.analyze-header p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.analyze-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.analyze-container {
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
    margin-top: -3rem;
}

.analyze-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
}

.analyze-tab {
    padding: 1rem 1.5rem;
    margin-right: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.analyze-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.upload-area {
    border: 2px dashed #ddd;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(82, 82, 224, 0.03);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.upload-area h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.file-input {
    display: none;
}

.upload-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.upload-btn:hover {
    background-color: var(--secondary-color);
}

.or-divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--text-light);
}

.or-divider::before, .or-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: #eee;
}

.or-divider span {
    padding: 0 1rem;
}

.url-input-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.url-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.url-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(82, 82, 224, 0.2);
}

.analyze-features {
    background-color: #f5f7ff;
    padding: 4rem 2rem;
    text-align: center;
}

.analyze-features h2 {
    font-size: 2.2rem;
    margin-bottom: 3rem;
}

/* Responsividade para página de análise */
@media (max-width: 768px) {
    .analyze-header {
        padding: 3rem 1.5rem 2rem;
    }
    
    .analyze-header h1 {
        font-size: 2rem;
    }
    
    .analyze-header p {
        font-size: 1.1rem;
    }
    
    .analyze-section {
        padding: 2rem 1rem;
    }
    
    .analyze-container {
        padding: 1.5rem;
        margin-top: -2rem;
    }
    
    .analyze-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        padding-bottom: 0.5rem;
    }
    
    .analyze-tab {
        padding: 0.75rem 1rem;
        margin-right: 0.5rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-area i {
        font-size: 2.5rem;
    }
    
    .upload-area h3 {
        font-size: 1.3rem;
    }
    
    .url-input-container {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .upload-btn, .primary-btn {
        width: 100%;
    }
    
    .analyze-features {
        padding: 3rem 1.5rem;
    }
    
    .analyze-features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .analyze-header h1 {
        font-size: 1.8rem;
    }
    
    .analyze-header p {
        font-size: 1rem;
    }
    
    .analyze-container {
        padding: 1.25rem;
        border-radius: 12px;
    }
    
    .upload-area {
        padding: 1.5rem 1rem;
    }
    
    .upload-area i {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .upload-area h3 {
        font-size: 1.2rem;
    }
    
    .analyze-features h2 {
        font-size: 1.6rem;
    }
}

.language-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
    transition: var(--transition);
}

.language-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.language-menu {
    display: none;
    position: absolute;
    top: 60px;
    right: 150px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    overflow: hidden;
}

.language-menu.active {
    display: block;
}

.language-menu a {
    display: block;
    padding: 12px 16px;
    border-bottom: 1px solid #f0f0f0;
    transition: var(--transition);
}

.language-menu a:last-child {
    border-bottom: none;
}

.language-menu a:hover {
    background-color: #f5f5f7;
}

.language-menu a.active {
    background-color: #f0f0ff;
    color: var(--primary-color);
    font-weight: 500;
}

/* Navegação para index.html e about.html */
.main-menu {
    display: flex;
}

.main-menu li {
    margin: 0 1rem;
}

.main-menu a {
    font-weight: 500;
    transition: var(--transition);
}

.main-menu a:hover {
    color: var(--primary-color);
}

/* Footer */
.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 450px;
    width: 100%;
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    gap: 0.5rem;
}

.google-btn:hover {
    background-color: #f5f5f5;
}

.google-btn i {
    color: #4285F4;
    font-size: 1.25rem;
}

/* Seção Como Funciona */
.how-it-works {
    padding: 5rem 2rem;
    background-color: #f5f7ff;
    text-align: center;
    position: relative;
}

.how-it-works:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(0deg, white, transparent);
    z-index: 1;
}

.how-it-works h2 {
    font-size: 2.3rem;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 2;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: left;
    position: relative;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(82, 82, 224, 0.3);
}

.step h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta, .about-cta {
    background: #5252e0;
    padding: 5rem 2rem;
    text-align: center;
    margin-top: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta h2, .about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.cta p, .about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.cta .primary-btn, .about-cta .primary-btn {
    background-color: white;
    color: #5252e0;
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.cta .primary-btn:hover, .about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Estilos para a página About */
.about-header {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background: linear-gradient(180deg, #f5f7ff, white);
    position: relative;
}

.about-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), #000000);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-header p {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #eee;
    gap: 3rem;
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    object-fit: cover;
}

/* Placeholders para imagens */
.placeholder-image {
    background-color: #f0f0f5;
    height: 300px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 2px dashed rgba(82, 82, 224, 0.3);
    font-size: 1.5rem;
    margin: 1rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.placeholder-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
    border-color: rgba(82, 82, 224, 0.5);
}

.placeholder-member {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: #f0f0f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 5px solid white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    font-size: 1.2rem;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.team-member:hover .placeholder-member {
    box-shadow: 0 12px 30px rgba(82, 82, 224, 0.3);
    border-color: #f8f8ff;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 300px;
    margin: 0 auto;
    line-height: 1.6;
}

/* CTA na página About */
.about-cta {
    background: linear-gradient(45deg, var(--primary-color), #5252e0);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    overflow: hidden;
}

.about-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
    background-size: 150px;
}

.about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn {
    background-color: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .cta-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        width: 100%;
        justify-content: space-between;
    }

    .about-section {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }
    
    .about-section.reverse {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 1.5rem;
    }
    
    .about-content h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-content ul {
        display: inline-block;
        text-align: left;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    header {
        padding: 0.75rem 1rem;
        position: fixed;
        width: 100%;
        top: 0;
        background-color: white;
    }
    
    .logo a {
        font-size: 1.5rem;
    }
    
    main {
        margin-top: 60px;
    }
    
    .hero {
        padding: 2rem 1rem;
        gap: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    .hero-buttons a {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .features {
        padding: 2.5rem 1rem;
    }
    
    .features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .feature-card {
        margin-bottom: 1.5rem;
        padding: 1.5rem;
    }
    
    .how-it-works {
        padding: 2.5rem 1rem;
    }
    
    .how-it-works h2 {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    .step {
        margin-bottom: 2.5rem;
        padding-top: 2rem;
    }
    
    .step-number {
        top: -15px;
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .testimonials {
        padding: 2.5rem 1rem;
    }
    
    .testimonials h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .testimonial-content {
        padding: 1.5rem;
    }
    
    .cta {
        padding: 2.5rem 1rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
    
    .cta p {
        font-size: 1rem;
    }
    
    footer {
        padding: 2.5rem 1rem 1.5rem;
    }
    
    .footer-logo h3 {
        font-size: 1.5rem;
    }
    
    .footer-links-column {
        margin-bottom: 1.5rem;
        min-width: 140px;
    }
    
    .about-header {
        padding: 2.5rem 1rem 2rem;
    }
    
    .about-header h1 {
        font-size: 2rem;
    }
    
    .about-header p {
        font-size: 1rem;
    }
    
    .about-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-image {
        height: 200px;
        margin: 0.5rem 0 1.5rem;
    }
    
    .about-content h2 {
        font-size: 1.8rem;
    }
    
    .about-content h3 {
        font-size: 1.4rem;
    }
    
    .about-content p {
        font-size: 1rem;
    }
    
    .team-section {
        padding: 2rem 1rem;
    }
    
    .placeholder-member {
        width: 150px;
        height: 150px;
    }
    
    .about-cta {
        padding: 2.5rem 1rem;
    }
    
    .about-cta h2 {
        font-size: 1.8rem;
    }
    
    .main-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        z-index: 100;
        flex-direction: column;
    }
    
    .main-menu.active {
        display: flex;
    }
    
    .main-menu li {
        margin: 0;
    }
    
    .main-menu li a {
        display: block;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .main-menu li:last-child a {
        border-bottom: none;
    }
    
    .auth-buttons {
        display: none;
    }
    
    .auth-buttons.active {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
        padding: 1rem 1.5rem;
        background-color: #f5f5f7;
    }
    
    .auth-buttons.active button {
        width: 100%;
        text-align: center;
        padding: 0.8rem;
    }
    
    .mobile-menu-toggle {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .features h2, 
    .how-it-works h2, 
    .testimonials h2, 
    .cta h2, 
    .about-header h1 {
        font-size: 1.6rem;
    }
    
    .about-content h2 {
        font-size: 1.6rem;
    }
    
    .about-content h3 {
        font-size: 1.3rem;
    }
    
    .feature-card, 
    .step, 
    .testimonial-content {
        padding: 1.25rem;
    }
    
    .placeholder-image {
        height: 180px;
    }
    
    .placeholder-member {
        width: 130px;
        height: 130px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
}

.about-content {
    flex: 1;
    min-width: 300px;
    padding: 1rem;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    position: relative;
}

.about-content h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.about-content h3 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--dark-color);
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.05rem;
}

.about-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.about-content ul li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.8rem;
    line-height: 1.6;
}

.about-content ul li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -0.3rem;
}

/* Estilos para página de Análise */
.analyze-header {
    background-color: var(--primary-color);
    color: white;
    padding: 4rem 2rem 3rem;
    text-align: center;
}

.analyze-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.analyze-header p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.analyze-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.analyze-container {
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
    margin-top: -3rem;
}

.analyze-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
}

.analyze-tab {
    padding: 1rem 1.5rem;
    margin-right: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
}

.analyze-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.upload-area {
    border: 2px dashed #ddd;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(82, 82, 224, 0.03);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.upload-area h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.file-input {
    display: none;
}

.upload-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.upload-btn:hover {
    background-color: var(--secondary-color);
}

.or-divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--text-light);
}

.or-divider::before, .or-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: #eee;
}

.or-divider span {
    padding: 0 1rem;
}

.url-input-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.url-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.url-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(82, 82, 224, 0.2);
}

.analyze-features {
    background-color: #f5f7ff;
    padding: 4rem 2rem;
    text-align: center;
}

.analyze-features h2 {
    font-size: 2.2rem;
    margin-bottom: 3rem;
}

/* Responsividade para página de análise */
@media (max-width: 768px) {
    .analyze-header {
        padding: 3rem 1.5rem 2rem;
    }
    
    .analyze-header h1 {
        font-size: 2rem;
    }
    
    .analyze-header p {
        font-size: 1.1rem;
    }
    
    .analyze-section {
        padding: 2rem 1rem;
    }
    
    .analyze-container {
        padding: 1.5rem;
        margin-top: -2rem;
    }
    
    .analyze-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        padding-bottom: 0.5rem;
    }
    
    .analyze-tab {
        padding: 0.75rem 1rem;
        margin-right: 0.5rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-area i {
        font-size: 2.5rem;
    }
    
    .upload-area h3 {
        font-size: 1.3rem;
    }
    
    .url-input-container {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .upload-btn, .primary-btn {
        width: 100%;
    }
    
    .analyze-features {
        padding: 3rem 1.5rem;
    }
    
    .analyze-features h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .analyze-header h1 {
        font-size: 1.8rem;
    }
    
    .analyze-header p {
        font-size: 1rem;
    }
    
    .analyze-container {
        padding: 1.25rem;
        border-radius: 12px;
    }
    
    .upload-area {
        padding: 1.5rem 1rem;
    }
    
    .upload-area i {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .upload-area h3 {
        font-size: 1.2rem;
    }
    
    .analyze-features h2 {
        font-size: 1.6rem;
    }
}

.language-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
    transition: var(--transition);
}

.language-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.language-menu {
    display: none;
    position: absolute;
    top: 60px;
    right: 150px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    overflow: hidden;
}

.language-menu.active {
    display: block;
}

.language-menu a {
    display: block;
    padding: 12px 16px;
    border-bottom: 1px solid #f0f0f0;
    transition: var(--transition);
}

.language-menu a:last-child {
    border-bottom: none;
}

.language-menu a:hover {
    background-color: #f5f5f7;
}

.language-menu a.active {
    background-color: #f0f0ff;
    color: var(--primary-color);
    font-weight: 500;
}

/* Navegação para index.html e about.html */
.main-menu {
    display: flex;
}

.main-menu li {
    margin: 0 1rem;
}

.main-menu a {
    font-weight: 500;
    transition: var(--transition);
}

.main-menu a:hover {
    color: var(--primary-color);
}

/* Footer */
.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 3rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 450px;
    width: 100%;
    position: relative;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    gap: 0.5rem;
}

.google-btn:hover {
    background-color: #f5f5f5;
}

.google-btn i {
    color: #4285F4;
    font-size: 1.25rem;
}

/* Seção Como Funciona */
.how-it-works {
    padding: 5rem 2rem;
    background-color: #f5f7ff;
    text-align: center;
    position: relative;
}

.how-it-works:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(0deg, white, transparent);
    z-index: 1;
}

.how-it-works h2 {
    font-size: 2.3rem;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 2;
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    background-color: white;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: left;
    position: relative;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    box-shadow: 0 5px 15px rgba(82, 82, 224, 0.3);
}

.step h3 {
    font-size: 1.4rem;
    margin: 1.5rem 0 1rem;
    color: var(--primary-color);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta, .about-cta {
    background: #5252e0;
    padding: 5rem 2rem;
    text-align: center;
    margin-top: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta h2, .about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.cta p, .about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.cta .primary-btn, .about-cta .primary-btn {
    background-color: white;
    color: #5252e0;
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.cta .primary-btn:hover, .about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Estilos para a página About */
.about-header {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background: linear-gradient(180deg, #f5f7ff, white);
    position: relative;
}

.about-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), #000000);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-header p {
    font-size: 1.25rem;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #eee;
    gap: 3rem;
}

.about-section.reverse {
    flex-direction: row-reverse;
}

.about-image {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    object-fit: cover;
}

/* Placeholders para imagens */
.placeholder-image {
    background-color: #f0f0f5;
    height: 300px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 2px dashed rgba(82, 82, 224, 0.3);
    font-size: 1.5rem;
    margin: 1rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.placeholder-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
    border-color: rgba(82, 82, 224, 0.5);
}

.placeholder-member {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background-color: #f0f0f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    border: 5px solid white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    font-size: 1.2rem;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
    background-image: linear-gradient(45deg, rgba(82, 82, 224, 0.05) 25%, transparent 25%, transparent 50%, rgba(82, 82, 224, 0.05) 50%, rgba(82, 82, 224, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.team-member:hover .placeholder-member {
    box-shadow: 0 12px 30px rgba(82, 82, 224, 0.3);
    border-color: #f8f8ff;
}

.team-member h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.member-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.8rem;
}

.member-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 300px;
    margin: 0 auto;
    line-height: 1.6;
}

/* CTA na página About */
.about-cta {
    background: linear-gradient(45deg, var(--primary-color), #5252e0);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    overflow: hidden;
}

.about-cta:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
    background-size: 150px;
}

.about-cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.about-cta p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn {
    background-color: white;
    color: var(--primary-color);
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.about-cta .primary-btn:hover {
    background-color: #f8f8f8;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .cta-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        width: 100%;
        justify-content: space-between;
    }

    .about-section {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }
    
    .about-section.reverse {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 1.5rem;
    }
    
    .about-content h2:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-content ul {
        display: inline-block;
        text-align: left;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    
    header {
        padding: 0.75rem 1rem;
        position: fixed;
        width: 100%;
    }
    
    .hero {
        padding: 2rem 1rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .footer-content {
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
    
    .about-section {
        padding: 2rem 1rem;
    }
    
    .about-image {
        margin-bottom: 1rem;
    }
    
    .about-content h2 {
        font-size: 1.8rem;
    }
    
    .about-content ul {
        display: block;
        text-align: center;
    }
    
    .about-cta {
        padding: 3rem 1rem;
    }
    
    .about-cta h2 {
        font-size: 1.8rem;
    }
    
    .about-cta p {
        font-size: 1rem;
    }
    
    .about-cta .primary-btn {
        font-size: 1rem;
        padding: 0.6rem 1.5rem;
    }
}
}
/* Estilo para kotlr.ai */
.kotlr-text {
    color: #5252e0;
}


/* Se��o About - M�tricas */
.about-stats {
    display: flex;
    justify-content: space-around;
    margin: 2rem 0;
    text-align: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    background-color: #f8f8fb;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}


.stat-item {
    flex: 1;
    min-width: 120px;
    border-radius: 8px;
    padding: 1.5rem;
    background-color: white;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.04);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.08);
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 500;
}


/* Se��o About - Valores */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.value-card {
    background-color: white;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}


.value-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(90deg, var(--primary-color), #7373f0);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.value-icon i {
    color: white;
    font-size: 1.5rem;
}

.value-content h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.value-content p {
    color: var(--text-light);
}


/* P�ginas Legais */
.page-header {
    text-align: center;
    padding: 5rem 2rem 3rem;
    background-color: #f5f5f7;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

.legal-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.legal-container p {
    margin-bottom: 1.5rem;
    line-height: 1.7;
}


.legal-container h2 {
    font-size: 1.75rem;
    margin: 2.5rem 0 1rem;
    color: var(--primary-color);
}

.legal-container h3 {
    font-size: 1.3rem;
    margin: 1.5rem 0 1rem;
}

.legal-container ul {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.legal-container ul li {
    margin-bottom: 0.5rem;
    list-style-type: disc;
}

.legal-container ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.legal-container ol li {
    margin-bottom: 0.5rem;
}

.legal-meta {
    margin-top: 4rem;
    padding-top: 1rem;
    border-top: 1px solid #eee;
    font-size: 0.9rem;
    color: var(--text-light);
}


.legal-container table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

.legal-container table th, 
.legal-container table td {
    border: 1px solid #ddd;
    padding: 0.75rem;
    text-align: left;
}

.legal-container table th {
    background-color: #f5f5f7;
    font-weight: 600;
}

.legal-container table tr:nth-child(even) {
    background-color: #f9f9f9;
}

.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    cursor: pointer;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
}


.table-of-contents {
    background-color: #f5f5f7;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin: 2rem 0;
}

.table-of-contents h3 {
    margin-top: 0;
    font-size: 1.25rem;
}

.table-of-contents ol {
    padding-left: 1.5rem;
}

.table-of-contents ol li {
    margin-bottom: 0.75rem;
}

.table-of-contents a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.table-of-contents a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .page-header h1 {
        font-size: 2.5rem;
    }
    .legal-container {
        padding: 2rem 1.5rem;
    }
}