/* ===== CSS Variables ===== */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #06b6d4;
    --bg-dark: #0a0a0f;
    --bg-card: rgba(255, 255, 255, 0.03);
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --border: rgba(255, 255, 255, 0.1);
    --gradient-1: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
    --gradient-2: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --font-main: sans-serif;
    --font-display: sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-main);
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
}
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    padding: 1.2rem 0;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}
.nav-container {
    max-width: 1400px; margin: 0 auto; padding: 0 2rem;
    display: flex; align-items: center; justify-content: space-between;
}
.logo {
    font-size: 1.75rem; font-weight: 700; text-decoration: none;
}
.logo-text { color: var(--text-primary); }
.logo-accent {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.nav-links { display: flex; list-style: none; gap: 2.5rem; }
.nav-link {
    color: var(--text-secondary); text-decoration: none;
    font-size: 0.9rem; font-weight: 500; transition: color 0.3s;
}
.nav-link:hover, .nav-link.active { color: var(--text-primary); }
.nav-actions { display: flex; gap: 1rem; }
.btn {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.625rem 1.5rem; font-size: 0.9rem; font-weight: 600;
    text-decoration: none; border-radius: 8px; border: none;
    cursor: pointer; transition: all 0.3s;
}
.btn-primary {
    background: var(--gradient-1); color: white;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(99, 102, 241, 0.4);
}
.btn-secondary {
    background: var(--gradient-2); color: white;
}
.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(6, 182, 212, 0.4);
}
.btn-ghost {
    background: transparent; color: var(--text-primary);
    border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--bg-card); border-color: var(--primary); }
.btn-outline {
    background: transparent; color: var(--text-primary);
    border: 1px solid var(--border);
}
.btn-outline:hover { background: var(--bg-card); }
.btn-large { padding: 0.875rem 2rem; font-size: 1rem; }
.hero {
    min-height: 100vh; display: flex; align-items: center;
    padding: 10rem 2rem 6rem;
    background: radial-gradient(ellipse at top, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at bottom right, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
}
.hero-content { max-width: 1400px; margin: 0 auto; text-align: center; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.5rem 1rem; background: var(--bg-card);
    border: 1px solid var(--border); border-radius: 100px;
    font-size: 0.875rem; color: var(--text-secondary); margin-bottom: 2rem;
}
.badge-dot {
    width: 8px; height: 8px; background: #22c55e;
    border-radius: 50%; animation: pulse 2s infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
.hero-title {
    font-size: 4.5rem; font-weight: 700; line-height: 1.1;
    margin-bottom: 1.5rem;
}
.title-line { display: block; }
.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.gradient-text-2 {
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-subtitle {
    font-size: 1.25rem; color: var(--text-secondary);
    max-width: 600px; margin: 0 auto 3rem;
}
.hero-stats {
    display: flex; justify-content: center; gap: 4rem; margin-bottom: 3rem;
}
.stat-item { display: flex; flex-direction: column; align-items: center; }
.stat-number {
    font-size: 3rem; font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.stat-label { font-size: 0.9rem; color: var(--text-secondary); }
.hero-cta { display: flex; justify-content: center; gap: 1rem; }
.section { padding: 8rem 2rem; }
.section-dark { background: rgba(0, 0, 0, 0.3); }
.section-container { max-width: 1200px; margin: 0 auto; }
.section-header { text-align: center; max-width: 700px; margin: 0 auto 4rem; }
.section-tag {
    display: inline-block; padding: 0.5rem 1rem;
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 100px; font-size: 0.875rem;
    color: var(--text-secondary); margin-bottom: 1rem;
}
.section-title { font-size: 3rem; font-weight: 700; margin-bottom: 1rem; }
.section-desc { font-size: 1.125rem; color: var(--text-secondary); }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.feature-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 20px; padding: 2.5rem; text-align: center;
    transition: all 0.3s;
}
.feature-card:hover {
    transform: translateY(-10px); border-color: var(--primary);
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.2);
}
.feature-icon {
    width: 70px; height: 70px; background: var(--gradient-1);
    border-radius: 16px; display: flex; align-items: center;
    justify-content: center; margin: 0 auto 1.5rem; font-size: 2rem;
}
.feature-icon.blue { background: var(--gradient-2); }
.feature-card h3 { font-size: 1.35rem; font-weight: 600; margin-bottom: 1rem; }
.feature-card p { font-size: 1rem; color: var(--text-secondary); line-height: 1.7; }
.cta-section { padding: 4rem 2rem; }
.cta-box {
    background: var(--gradient-1); border-radius: 24px;
    padding: 4rem; text-align: center;
}
.cta-box h2 { font-size: 2.5rem; font-weight: 700; margin-bottom: 1rem; }
.cta-box p { font-size: 1.125rem; opacity: 0.9; margin-bottom: 2rem; }
.cta-buttons { display: flex; justify-content: center; gap: 1rem; }
.cta-buttons .btn { background: white; color: #4f46e5; }
.cta-buttons .btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(0,0,0,0.2); }
.footer { border-top: 1px solid var(--border); padding: 4rem 2rem 2rem; }
.footer-container { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr 2fr; gap: 4rem; margin-bottom: 3rem; }
.footer-brand p { color: var(--text-secondary); margin-top: 1rem; max-width: 300px; }
.footer-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.footer-col h4 { font-size: 1rem; font-weight: 600; margin-bottom: 1rem; }
.footer-col p { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 0.5rem; }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 2rem; text-align: center; }
.footer-bottom p { color: var(--text-secondary); font-size: 0.875rem; }
@media (max-width: 1024px) {
    .hero-title { font-size: 3.5rem; }
    .section-title { font-size: 2.5rem; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .nav-links, .nav-actions { display: none; }
    .hero { padding: 8rem 1.5rem 4rem; }
    .hero-title { font-size: 2.5rem; }
    .hero-stats { flex-direction: column; gap: 2rem; }
    .hero-cta { flex-direction: column; }
    .section { padding: 4rem 1.5rem; }
    .section-title { font-size: 2rem; }
    .features-grid { grid-template-columns: 1fr; }
    .cta-box { padding: 2rem; }
    .cta-box h2 { font-size: 1.75rem; }
    .cta-buttons { flex-direction: column; }
    .footer-container { grid-template-columns: 1fr; gap: 2rem; }
    .footer-links { grid-template-columns: 1fr; }
}