/* DeepfakeBR.site - Estilos principais */
:root {
    --primary: #30CFD0;
    --primary-light: #42E2E8;
    --primary-dark: #1A9B9C;
    --secondary: #5C33F6;
    --secondary-light: #7D5BFF;
    --secondary-dark: #4523C3;
    --text-dark: #2D3748;
    --text-medium: #4A5568;
    --text-light: #718096;
    --white: #ffffff;
    --light-bg: #F7FAFC;
    --border-radius: 10px;
    --box-shadow: 0 5px 20px rgba(92, 51, 246, 0.1);
    --transition: all 0.3s ease;
}

/* Estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Poppins', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
    position: relative;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', Arial, sans-serif;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: var(--primary);
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

ul {
    list-style: none;
}

.btn {
    display: inline-block;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    padding: 0.875rem 2rem;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(48, 207, 208, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(48, 207, 208, 0.4);
    color: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    border-radius: 1.5px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

.highlight {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

/* Padrão de fundo */
.background-pattern {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(48, 207, 208, 0.03) 0%, transparent 8%),
        radial-gradient(circle at 80% 70%, rgba(92, 51, 246, 0.03) 0%, transparent 8%);
    z-index: -1;
    pointer-events: none;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    z-index: 1000;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo a {
    display: block;
}

.logo-text {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 1.8rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.logo-accent {
    font-weight: 400;
    opacity: 0.8;
}

.desktop-nav ul {
    display: flex;
    gap: 2rem;
}

.desktop-nav a {
    color: var(--text-dark);
    font-weight: 500;
    font-size: 1rem;
    position: relative;
    padding: 0.5rem 0;
}

.desktop-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    transition: width 0.3s ease;
}

.desktop-nav a:hover {
    color: var(--primary);
}

.desktop-nav a:hover::after {
    width: 100%;
}

/* Mobile Navigation */
.nav-toggle {
    display: none;
    cursor: pointer;
    width: 30px;
    height: 22px;
    position: relative;
    z-index: 100;
}

.nav-toggle span {
    display: block;
    position: absolute;
    height: 3px;
    width: 100%;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    border-radius: 3px;
    opacity: 1;
    left: 0;
    transform: rotate(0deg);
    transition: var(--transition);
}

.nav-toggle span:nth-child(1) {
    top: 0px;
}

.nav-toggle span:nth-child(2) {
    top: 9px;
}

.nav-toggle span:nth-child(3) {
    top: 18px;
}

.nav-toggle.active span:nth-child(1) {
    top: 9px;
    transform: rotate(135deg);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
    left: -60px;
}

.nav-toggle.active span:nth-child(3) {
    top: 9px;
    transform: rotate(-135deg);
}

.mobile-nav {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    z-index: 999;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.mobile-nav.active {
    max-height: 300px;
}

.mobile-nav ul {
    padding: 1.5rem;
}

.mobile-nav li {
    margin-bottom: 1rem;
}

.mobile-nav a {
    color: var(--text-dark);
    font-size: 1.1rem;
    font-weight: 500;
    display: block;
    padding: 0.5rem 0;
}

.mobile-nav a:hover {
    color: var(--primary);
    padding-left: 5px;
}

/* Hero Section */
.hero {
    padding-top: 120px;
    padding-bottom: 80px;
    background: linear-gradient(135deg, rgba(48, 207, 208, 0.08), rgba(92, 51, 246, 0.08));
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    position: relative;
    z-index: 1;
}

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

.hero-content h1 {
    font-size: 3.2rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-medium);
    margin-bottom: 2rem;
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: float 6s ease-in-out infinite;
    max-width: 500px;
}

@keyframes float {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
    100% {
        transform: translateY(0);
    }
}

.hero-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.tag {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-medium);
    font-weight: 500;
}

.tag-icon {
    fill: var(--primary);
}

/* Efeito de pulso para o botão CTA */
.pulse-effect {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(48, 207, 208, 0.4);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(48, 207, 208, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(48, 207, 208, 0);
    }
}

/* Features Section */
.features {
    padding: 80px 0;
    background-color: var(--white);
    position: relative;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 3rem;
}

.feature-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 2.5rem 1.5rem;
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
    height: 100%;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
}

.feature-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    opacity: 0;
    z-index: -1;
    transition: opacity 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    color: var(--white);
}

.feature-card:hover::after {
    opacity: 0.05;
}

.feature-icon {
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-medium);
    font-size: 1rem;
}

/* Process/Como Funciona Section */
.process {
    padding: 100px 0;
    background-color: var(--light-bg);
    position: relative;
}

.process-steps {
    max-width: 800px;
    margin: 3rem auto 0;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 1rem;
    transition: var(--transition);
}

.step:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(48, 207, 208, 0.15);
}

.step-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.step-content h3 {
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.step-connector {
    display: flex;
    justify-content: center;
    margin: 0 auto;
}

.cta-box {
    background: linear-gradient(135deg, rgba(48, 207, 208, 0.05), rgba(92, 51, 246, 0.05));
    border-radius: var(--border-radius);
    padding: 3rem 2rem;
    margin-top: 4rem;
    text-align: center;
    box-shadow: var(--box-shadow);
}

.cta-box h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.cta-box p {
    max-width: 700px;
    margin: 0 auto 2rem;
    font-size: 1.1rem;
    color: var(--text-medium);
}

/* FAQ Section */
.faq {
    padding: 80px 0;
    position: relative;
    background: var(--white);
}

.faq-container {
    max-width: 800px;
    margin: 3rem auto 0;
}

.faq-item {
    margin-bottom: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    background: var(--white);
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question h3 {
    font-size: 1.1rem;
    margin-bottom: 0;
    padding-right: 2rem;
    transition: var(--transition);
}

.faq-toggle {
    position: relative;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.faq-toggle::before, 
.faq-toggle::after {
    content: '';
    position: absolute;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    transition: var(--transition);
}

.faq-toggle::before {
    top: 9px;
    left: 0;
    width: 100%;
    height: 2px;
}

.faq-toggle::after {
    top: 0;
    left: 8px;
    width: 2px;
    height: 100%;
}

.faq-item.active .faq-toggle::after {
    transform: rotate(90deg);
    opacity: 0;
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding-bottom: 1.5rem;
}

.faq-item.active .faq-question {
    background: linear-gradient(90deg, rgba(48, 207, 208, 0.05), rgba(92, 51, 246, 0.05));
}

.faq-item.active .faq-question h3 {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

/* Footer */
.footer {
    background-color: #1A202C;
    color: var(--white);
    padding: 70px 0 20px;
    position: relative;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: inline-block;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1rem;
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 60px;
}

.footer-col h4 {
    font-size: 1.2rem;
    color: var(--white);
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
}

.footer-col ul li {
    margin-bottom: 0.8rem;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-favicon {
    display: flex;
    justify-content: center;
    align-items: center;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* Responsividade */
@media (max-width: 992px) {
    html {
        font-size: 15px;
    }
    
    .hero .container {
        flex-direction: column-reverse;
    }
    
    .hero-content {
        max-width: 100%;
        text-align: center;
    }
    
    .hero-actions {
        align-items: center;
    }
    
    .hero-tags {
        justify-content: center;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .section-header h2 {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    .desktop-nav {
        display: none;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .step {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .step-number {
        margin-bottom: 1rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-brand {
        max-width: 100%;
    }
    
    .footer-nav {
        width: 100%;
        justify-content: space-around;
    }
    
    .footer-col h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
}

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-nav {
        flex-direction: column;
        gap: 2rem;
    }
}