:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6b6b7b;
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-tertiary: #22d3ee;
    --gradient-start: #6366f1;
    --gradient-end: #22d3ee;
    --border-color: rgba(255, 255, 255, 0.08);
    --glow-color: rgba(99, 102, 241, 0.4);
}

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

html { scroll-behavior: smooth; }

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

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

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

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo { text-decoration: none; }
.logo-text { font-size: 1.5rem; font-weight: 700; color: var(--text-primary); }
.logo-highlight { color: var(--accent-primary); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s;
}

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

.nav-cta {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    padding: 10px 20px !important;
    border-radius: 8px;
    color: white !important;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--accent-primary);
    top: -200px;
    right: -100px;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--accent-secondary);
    bottom: -100px;
    left: -100px;
    animation-delay: -5s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: var(--accent-tertiary);
    top: 50%;
    left: 50%;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-content {
    text-align: center;
    max-width: 800px;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--accent-primary);
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    box-shadow: 0 4px 20px var(--glow-color);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--glow-color);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-large { padding: 18px 36px; font-size: 1.1rem; }

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

.stat { text-align: center; }
.stat-value { display: block; font-size: 2rem; font-weight: 800; color: var(--text-primary); }
.stat-label { font-size: 0.85rem; color: var(--text-muted); }
.stat-divider { width: 1px; height: 40px; background: var(--border-color); }

/* Sections Common */
.section-header { text-align: center; margin-bottom: 60px; }

.section-tag {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 32px;
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(34, 211, 238, 0.2));
    border-radius: 14px;
    margin-bottom: 20px;
    color: var(--accent-primary);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-card p { color: var(--text-secondary); font-size: 0.95rem; }

/* How It Works */
.how-it-works { padding: 100px 0; }

.steps-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

.step {
    display: flex;
    align-items: center;
    gap: 30px;
    padding: 30px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    width: 100%;
    max-width: 600px;
    transition: all 0.3s;
}

.step:hover {
    transform: scale(1.02);
    border-color: rgba(99, 102, 241, 0.4);
}

.step-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    min-width: 80px;
}

.step-content h3 { font-size: 1.3rem; margin-bottom: 8px; }
.step-content p { color: var(--text-secondary); }

.step-connector {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, var(--accent-primary), transparent);
}

/* Platforms */
.platforms { padding: 100px 0; background: var(--bg-secondary); }

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 20px;
}

.platform-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 32px 24px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    transition: all 0.3s;
    position: relative;
}

.platform-card:hover {
    transform: translateY(-4px);
    border-color: rgba(99, 102, 241, 0.4);
}

.platform-icon {
    font-size: 2.5rem;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
}

.platform-card span { font-weight: 600; color: var(--text-secondary); }

.youtube-output { border-color: rgba(255, 0, 0, 0.3); }
.youtube-output:hover { border-color: rgba(255, 0, 0, 0.5); }

.output-badge {
    position: absolute;
    top: -10px;
    right: -10px;
    padding: 4px 12px;
    background: linear-gradient(135deg, #ff0000, #cc0000);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    color: white;
}

/* CTA Section */
.cta {
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.cta-bg { position: absolute; inset: 0; }
.orb-4 { width: 500px; height: 500px; background: var(--accent-primary); top: -200px; left: -100px; }
.orb-5 { width: 400px; height: 400px; background: var(--accent-tertiary); bottom: -150px; right: -100px; animation-delay: -7s; }

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.cta-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 20px;
}

.cta-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    padding: 60px 0 30px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

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

.footer-brand { max-width: 300px; }
.footer-brand p { color: var(--text-muted); margin-top: 16px; font-size: 0.9rem; }

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

.footer-column h4 {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.footer-column ul { list-style: none; }
.footer-column li { margin-bottom: 10px; }
.footer-column a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
}
.footer-column a:hover { color: var(--accent-primary); }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p { color: var(--text-muted); font-size: 0.85rem; }

/* Responsive */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-toggle { display: flex; }
    .nav-links.active {
        display: flex;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--bg-primary);
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
    }
    .hero-stats { gap: 24px; }
    .stat-divider { display: none; }
    .step { flex-direction: column; text-align: center; }
    .footer-content { flex-direction: column; }
    .footer-links { gap: 30px; }
    .footer-bottom { flex-direction: column; text-align: center; }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

.animate-fade-in { animation: fadeIn 0.8s ease-out forwards; }
.animate-fade-in-up { animation: fadeInUp 0.8s ease-out forwards; }
.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }