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

:root {
    --primary-color: #8B5CF6;
    --primary-gradient: linear-gradient(135deg, #8B5CF6 0%, #EC4899 100%);
    --secondary-color: #EC4899;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --bg-primary: #FFFFFF;
    --bg-secondary: #F9FAFB;
    --border-color: #E5E7EB;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.cta-btn {
    background: var(--primary-gradient);
    color: white !important;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 2rem 4rem;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease-out;
}

.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.primary-btn {
    background: var(--primary-gradient);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.primary-btn.large {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

.secondary-btn {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    padding: 1rem 2rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.secondary-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* Phone Mockup */
.hero-visual {
    display: flex;
    justify-content: center;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.phone-mockup {
    width: 300px;
    height: 600px;
    background: linear-gradient(145deg, #1f2937, #111827);
    border-radius: 40px;
    padding: 15px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #8B5CF6 0%, #EC4899 50%, #F59E0B 100%);
    border-radius: 30px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.camera-viewfinder {
    width: 200px;
    height: 300px;
    border: 3px solid rgba(255, 255, 255, 0.5);
    border-radius: 20px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.face-outline {
    width: 120px;
    height: 150px;
    border: 2px solid rgba(255, 255, 255, 0.8);
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    position: relative;
}

.scan-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
    animation: scan 2s infinite;
}

@keyframes scan {
    0% { transform: translateY(0); }
    100% { transform: translateY(300px); }
}

/* Sections */
.features, .app-features, .how-it-works, .testimonials {
    padding: 6rem 0;
}

.features {
    background: var(--bg-secondary);
}

.app-features {
    background: var(--bg-primary);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
}

.section-subtitle {
    text-align: center;
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

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

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* App Features Section */
.app-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.app-feature {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

.app-feature:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.app-feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: block;
}

.app-feature h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-weight: 600;
}

.app-feature p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 1rem;
}

/* Steps */
.steps {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

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

/* Testimonials */
.testimonials {
    background: var(--bg-secondary);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
    position: relative;
}

.testimonial p {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    font-style: italic;
}

.testimonial-author {
    color: var(--text-secondary);
    font-weight: 600;
}

/* CTA Section */
.cta-section {
    padding: 6rem 0;
    background: var(--primary-gradient);
    color: white;
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-section .primary-btn {
    background: white;
    color: var(--primary-color);
}

.cta-section .primary-btn:hover {
    background: rgba(255, 255, 255, 0.95);
}

.cta-note {
    margin-top: 1rem;
    opacity: 0.8;
    font-size: 0.9rem;
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 3rem 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 3rem;
    align-items: start;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    color: white;
    background: none;
    -webkit-text-fill-color: white;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    opacity: 0.8;
    margin-top: 0.5rem;
}

.footer-middle {
    text-align: center;
}

.contact-info h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.contact-email {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    display: block;
    margin-bottom: 0.5rem;
    transition: opacity 0.3s ease;
}

.contact-email:hover {
    opacity: 0.8;
}

.contact-info p {
    opacity: 0.7;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
    justify-content: flex-end;
    align-items: start;
}

.footer-links a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
}

/* Creators Section */
.creators-section {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 3rem;
}

.creators-section h4 {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 2rem;
    font-weight: 600;
}

.creators-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.creator {
    display: flex;
    gap: 1rem;
    align-items: start;
}

.creator-avatar {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.creator-info h5 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    font-weight: 600;
}

.creator-info p {
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.creator-info span {
    opacity: 0.8;
    font-size: 0.9rem;
    line-height: 1.4;
}

.creators-note {
    text-align: center;
    opacity: 0.7;
    font-style: italic;
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        min-height: 100vh;
        padding: 8rem 1.5rem 4rem;
        display: flex;
        align-items: center;
    }
    
    .hero-content {
        display: flex;
        flex-direction: column;
        text-align: center;
        gap: 2rem;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .hero-visual {
        order: -1;
        margin-bottom: 1rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.1;
        margin-bottom: 1rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 1.5rem;
        line-height: 1.5;
    }
    
    .phone-mockup {
        width: 200px;
        height: 400px;
        margin: 0 auto;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .primary-btn, .secondary-btn {
        width: 100%;
        padding: 1rem 2rem;
        font-size: 1rem;
        font-weight: 600;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
    
    .creators-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .hero {
        padding: 6rem 1rem 4rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 6rem 1rem 3rem;
        min-height: 100vh;
    }
    
    .hero-content {
        max-width: 350px;
        gap: 1.5rem;
    }
    
    .hero-title {
        font-size: 2.2rem;
        line-height: 1.15;
        margin-bottom: 0.75rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 1.25rem;
        line-height: 1.4;
    }
    
    .phone-mockup {
        width: 180px;
        height: 360px;
    }
    
    .hero-buttons {
        max-width: 280px;
        gap: 0.5rem;
    }
    
    .primary-btn, .secondary-btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .camera-viewfinder {
        width: 140px;
        height: 210px;
    }
    
    .face-outline {
        width: 90px;
        height: 110px;
    }
    
    .navbar {
        padding: 0.5rem 0;
    }
    
    .nav-container {
        padding: 1rem 1rem;
    }
    
    .logo {
        font-size: 1.3rem;
    }
}