/* Global Styles */
:root {
    --primary-color: #6a11cb;
    --secondary-color: #ff6b6b;
    --gradient-bg: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
    --text-color: #333333;
    --light-bg: #f8f9fa;
    --dark-bg: #343a40;
    --white: #ffffff;
    --border-radius: 8px;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--dark-bg);
}

h1 {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 1rem;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-bg);
    border-radius: 2px;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

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

a:hover {
    color: var(--secondary-color);
}

section {
    padding: 80px 0;
}

/* Header styles */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo-svg {
    width: 180px;
    height: 45px;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: var(--dark-bg);
    font-weight: 500;
    padding: 10px 5px;
    position: relative;
}

nav ul li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary-color);
    transition: var(--transition);
}

nav ul li a:hover::after {
    width: 100%;
}

/* Hero section */
.hero {
    background: var(--gradient-bg);
    color: var(--white);
    padding: 100px 0;
    overflow: hidden;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.hero-content {
    flex: 1;
    padding-right: 20px;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--white);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--white);
    opacity: 0.9;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.face-swap-illustration {
    width: 100%;
    max-width: 400px;
    height: auto;
}

.cta-button {
    display: inline-block;
    background-color: var(--secondary-color);
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 600;
    padding: 12px 28px;
    border-radius: 50px;
    text-align: center;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
}

.cta-button:hover {
    background-color: var(--white);
    color: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(255, 107, 107, 0.5);
}

.cta-button.secondary {
    background-color: transparent;
    border: 2px solid var(--white);
    box-shadow: none;
}

.cta-button.secondary:hover {
    background-color: var(--white);
    color: var(--primary-color);
    box-shadow: 0 8px 20px rgba(255, 255, 255, 0.3);
}

.cta-button.large {
    padding: 15px 40px;
    font-size: 1.2rem;
}

/* Features section */
.features {
    background-color: var(--light-bg);
    padding: 100px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.feature:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
}

.feature h3 {
    margin: 15px 0;
    font-size: 1.4rem;
}

.feature p {
    color: #666;
    font-size: 0.95rem;
}

/* How it works section */
.how-it-works {
    padding: 100px 0;
    background-color: var(--white);
}

.steps {
    display: flex;
    justify-content: space-between;
    margin: 60px 0;
    gap: 30px;
}

.step {
    flex: 1;
    text-align: center;
    position: relative;
    padding: 0 20px;
}

.step:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -15px;
    top: 30px;
    width: 30px;
    height: 2px;
    background: var(--gradient-bg);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--white);
    font-size: 1.5rem;
    font-weight: bold;
}

/* Examples section */
.examples {
    padding: 100px 0;
    background-color: var(--light-bg);
}

.section-description {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 40px;
    font-size: 1.1rem;
}

.examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.example {
    background-color: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

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

.example-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.example p {
    padding: 15px;
    text-align: center;
    font-weight: 500;
    margin-bottom: 0;
}

/* FAQ section */
.faq {
    padding: 100px 0;
    background-color: var(--white);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.faq-item {
    background-color: var(--light-bg);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.faq-item h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* CTA section */
.cta {
    background: var(--gradient-bg);
    color: var(--white);
    text-align: center;
    padding: 80px 0;
}

.cta h2, .cta p {
    color: var(--white);
}

.cta h2::after {
    background-color: var(--white);
}

.cta p {
    max-width: 600px;
    margin: 0 auto 30px;
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Footer */
footer {
    background-color: var(--dark-bg);
    color: var(--white);
    padding: 60px 0 20px;
}

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

.footer-logo {
    margin-bottom: 20px;
}

.footer-logo-svg {
    width: 180px;
    height: 45px;
}

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

.footer-link-group h3 {
    color: var(--white);
    font-size: 1.2rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-link-group h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--secondary-color);
}

.footer-link-group ul {
    list-style: none;
}

.footer-link-group ul li {
    margin-bottom: 10px;
}

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

.footer-link-group ul li a:hover {
    color: var(--secondary-color);
}

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

/* Mobile responsiveness */
@media (max-width: 992px) {
    h1 {
        font-size: 2.4rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        padding-right: 0;
        margin-bottom: 40px;
    }
    
    .steps {
        flex-direction: column;
    }
    
    .step:not(:last-child)::after {
        display: none;
    }
    
    .step {
        margin-bottom: 30px;
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 30px;
        margin-top: 30px;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    section {
        padding: 60px 0;
    }
    
    header .container {
        flex-direction: column;
    }
    
    nav {
        margin-top: 15px;
    }
    
    nav ul {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    nav ul li {
        margin: 5px 10px;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 1.8rem;
    }
    
    h2 {
        font-size: 1.6rem;
    }
    
    .cta-button {
        padding: 10px 20px;
        font-size: 1rem;
    }
    
    .cta-button.large {
        padding: 12px 30px;
        font-size: 1.1rem;
    }
    
    .features-grid, .examples-grid {
        grid-template-columns: 1fr;
    }
}