:root { --primary: #FF3B77; --primary-dark: #E52E6B; --secondary: #7C5CFF; --accent: #00D4FF; --gold: #FFD700; --dark: #0A0F2D; --darker: #05081F; --card: #131A3A; --light: #E6EFFF; --muted: #8B9BCC; --glass: rgba(255,255,255,0.08); --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 50%, var(--accent) 100%); }
    * { margin: 0; padding: 0; box-sizing: border-box; }
    body { font-family: 'Inter', system-ui, sans-serif; background: linear-gradient(180deg, var(--darker) 0%, var(--dark) 100%); color: var(--light); line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
    .container { max-width: 1400px; margin: 0 auto; padding: 0 40px; }
    
    /* Header */
    header { padding: 30px 0; background: rgba(10, 15, 45, 0.95); backdrop-filter: blur(20px); position: sticky; top: 0; z-index: 1000; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
    .header-content { display: flex; align-items: center; justify-content: space-between; }
    .logo { display: flex; align-items: center; gap: 16px; }
    .logo-icon { width: 60px; height: 60px; border-radius: 16px; background: var(--gradient); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 24px; color: white; box-shadow: 0 8px 32px rgba(255, 59, 119, 0.3); }
    .logo-text { font-size: 28px; font-weight: 800; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
    .logo-subtitle { font-size: 14px; color: var(--muted); margin-top: 4px; font-weight: 500; }
    .nav-container { display: flex; align-items: center; gap: 40px; }
    nav { display: flex; gap: 40px; align-items: center; }
    nav a { color: var(--light); text-decoration: none; font-weight: 600; font-size: 16px; transition: all 0.3s ease; position: relative; }
    nav a:hover { color: var(--accent); }
    nav a::after { content: ''; position: absolute; bottom: -8px; left: 0; width: 0; height: 2px; background: var(--gradient); transition: width 0.3s ease; }
    nav a:hover::after { width: 100%; }
    
    /* Language Selector */
    .language-selector { position: relative; display: inline-block; }
    .language-btn { background: var(--glass); border: 1px solid rgba(255,255,255,0.1); padding: 12px 20px; border-radius: 12px; color: var(--light); cursor: pointer; display: flex; align-items: center; gap: 10px; font-weight: 600; transition: all 0.3s ease; }
    .language-btn:hover { border-color: var(--accent); background: rgba(0,212,255,0.1); }
    .language-dropdown { position: absolute; top: 100%; right: 0; background: var(--card); border: 1px solid rgba(255,255,255,0.1); border-radius: 12px; padding: 10px 0; min-width: 200px; box-shadow: 0 20px 60px rgba(0,0,0,0.3); backdrop-filter: blur(20px); opacity: 0; visibility: hidden; transform: translateY(-10px); transition: all 0.3s ease; z-index: 1001; }
    .language-selector:hover .language-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
    .language-option { display: flex; align-items: center; gap: 12px; padding: 12px 20px; color: var(--light); text-decoration: none; transition: all 0.3s ease; }
    .language-option:hover { background: rgba(255,255,255,0.05); color: var(--accent); }
    .flag { width: 20px; height: 15px; border-radius: 2px; }
    
    .btn { padding: 16px 32px; border-radius: 12px; font-weight: 700; font-size: 16px; text-decoration: none; border: none; cursor: pointer; transition: all 0.3s ease; display: inline-flex; align-items: center; gap: 10px; }
    .btn-primary { background: var(--gradient); color: white; box-shadow: 0 8px 32px rgba(255,59,119,0.3); }
    .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(255,59,119,0.4); }
    .btn-secondary { background: transparent; color: var(--light); border: 2px solid var(--glass); }
    .btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
    
    /* Hero Section */
    .hero { padding: 120px 0 80px; position: relative; overflow: hidden; }
    .hero::before { content: ''; position: absolute; top: -50%; right: -20%; width: 800px; height: 800px; background: radial-gradient(circle, rgba(255,59,119,0.15) 0%, transparent 70%); border-radius: 50%; }
    .hero-content { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; position: relative; z-index: 2; }
    .hero-badge { display: inline-flex; align-items: center; gap: 10px; background: var(--glass); padding: 12px 20px; border-radius: 50px; font-size: 14px; font-weight: 600; color: var(--accent); margin-bottom: 30px; border: 1px solid rgba(255,255,255,0.1); }
    .hero-badge::before { content: '✨'; font-size: 16px; }
    .hero h1 { font-size: 68px; font-weight: 800; line-height: 1.1; margin-bottom: 30px; background: linear-gradient(135deg, #FFFFFF 0%, var(--accent) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
    .hero p { font-size: 20px; color: var(--muted); margin-bottom: 40px; line-height: 1.6; }
    .hero-stats { display: flex; gap: 40px; margin-top: 50px; }
    .stat { text-align: center; }
    .stat-number { font-size: 42px; font-weight: 800; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; line-height: 1; }
    .stat-label { font-size: 14px; color: var(--muted); margin-top: 8px; font-weight: 600; }
    .hero-visual { position: relative; }
    .hero-card { background: var(--card); border-radius: 24px; padding: 30px; border: 1px solid rgba(255,255,255,0.1); box-shadow: 0 20px 60px rgba(0,0,0,0.3); position: relative; overflow: hidden; }
    .hero-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--gradient); }
    .card-header { display: flex; align-items: center; gap: 15px; margin-bottom: 25px; }
    .card-icon { width: 50px; height: 50px; border-radius: 12px; background: var(--gradient); display: flex; align-items: center; justify-content: center; font-size: 20px; }
    .card-content { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
    .feature-pill { background: var(--glass); padding: 15px; border-radius: 12px; text-align: center; border: 1px solid rgba(255,255,255,0.05); transition: all 0.3s ease; }
    .feature-pill:hover { transform: translateY(-5px); border-color: var(--accent); box-shadow: 0 10px 30px rgba(0,212,255,0.2); }
    .feature-pill .icon { font-size: 24px; margin-bottom: 10px; }
    
    /* Sections */
    section { padding: 100px 0; }
    .section-header { text-align: center; margin-bottom: 80px; }
    .section-badge { display: inline-block; background: var(--gradient); color: white; padding: 10px 20px; border-radius: 50px; font-size: 14px; font-weight: 700; margin-bottom: 20px; }
    .section-title { font-size: 52px; font-weight: 800; margin-bottom: 20px; background: linear-gradient(135deg, #FFFFFF 0%, var(--accent) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
    .section-subtitle { font-size: 20px; color: var(--muted); max-width: 600px; margin: 0 auto; }
    
    /* Features Grid */
    .features-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
    .feature-card { background: var(--card); border-radius: 20px; padding: 40px; border: 1px solid rgba(255,255,255,0.1); transition: all 0.3s ease; position: relative; overflow: hidden; }
    .feature-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--gradient); transform: scaleX(0); transition: transform 0.3s ease; }
    .feature-card:hover::before { transform: scaleX(1); }
    .feature-card:hover { transform: translateY(-10px); box-shadow: 0 20px 60px rgba(0,0,0,0.4); border-color: rgba(255,255,255,0.2); }
    .feature-icon { width: 70px; height: 70px; border-radius: 16px; background: var(--glass); display: flex; align-items: center; justify-content: center; font-size: 28px; margin-bottom: 25px; border: 1px solid rgba(255,255,255,0.1); }
    .feature-card h3 { font-size: 24px; font-weight: 700; margin-bottom: 15px; color: white; }
    .feature-card p { color: var(--muted); font-size: 16px; line-height: 1.6; }
    
    /* Architecture */
    .architecture { background: linear-gradient(180deg, var(--darker) 0%, var(--dark) 100%); position: relative; }
    .architecture::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent 0%, var(--accent) 50%, transparent 100%); }
    .architecture-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; }
    .arch-card { background: var(--card); border-radius: 24px; padding: 50px 40px; border: 1px solid rgba(255,255,255,0.1); position: relative; overflow: hidden; }
    .arch-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--gradient); }
    .arch-header { display: flex; align-items: center; gap: 20px; margin-bottom: 30px; }
    .arch-icon { width: 80px; height: 80px; border-radius: 20px; background: var(--glass); display: flex; align-items: center; justify-content: center; font-size: 32px; border: 2px solid rgba(255,255,255,0.1); }
    .arch-card h3 { font-size: 32px; font-weight: 800; margin-bottom: 10px; }
    .arch-card .subtitle { color: var(--muted); font-size: 18px; }
    .arch-features { list-style: none; }
    .arch-features li { padding: 15px 0; border-bottom: 1px solid rgba(255,255,255,0.05); display: flex; align-items: center; gap: 12px; font-size: 16px; }
    .arch-features li::before { content: '✓'; color: var(--accent); font-weight: bold; font-size: 18px; }
    
    /* Use Cases */
    .use-cases { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
    .use-case { background: var(--card); border-radius: 20px; padding: 40px; border: 1px solid rgba(255,255,255,0.1); transition: all 0.3s ease; }
    .use-case:hover { transform: translateY(-5px); border-color: var(--primary); box-shadow: 0 15px 40px rgba(255,59,119,0.2); }
    .use-case h4 { font-size: 22px; font-weight: 700; margin-bottom: 15px; color: white; }
    .use-case p { color: var(--muted); font-size: 16px; line-height: 1.6; }
    
    /* CTA Section */
    .cta-section { background: linear-gradient(135deg, var(--card) 0%, var(--darker) 100%); border-radius: 40px; padding: 80px; text-align: center; position: relative; overflow: hidden; border: 1px solid rgba(255,255,255,0.1); }
    .cta-section::before { content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: radial-gradient(circle, rgba(124,92,255,0.1) 0%, transparent 70%); }
    .cta-content { position: relative; z-index: 2; }
    .cta-title { font-size: 52px; font-weight: 800; margin-bottom: 20px; background: linear-gradient(135deg, #FFFFFF 0%, var(--gold) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
    .cta-subtitle { font-size: 20px; color: var(--muted); margin-bottom: 40px; max-width: 600px; margin-left: auto; margin-right: auto; }
    .cta-buttons { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }
    
    /* Footer */
    footer { background: var(--darker); padding: 60px 0 30px; border-top: 1px solid rgba(255,255,255,0.1); }
    .footer-content { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 60px; margin-bottom: 40px; }
    .footer-column h4 { font-size: 18px; font-weight: 700; margin-bottom: 20px; color: white; }
    .footer-column a { color: var(--muted); text-decoration: none; display: block; margin-bottom: 12px; transition: color 0.3s ease; }
    .footer-column a:hover { color: var(--accent); }
    .footer-bottom { text-align: center; padding-top: 30px; border-top: 1px solid rgba(255,255,255,0.05); color: var(--muted); font-size: 14px; }
    
    /* Responsive */
    @media (max-width: 1200px) { .hero h1 { font-size: 52px; } .section-title { font-size: 42px; } }
    @media (max-width: 968px) { .hero-content { grid-template-columns: 1fr; gap: 60px; } .features-grid { grid-template-columns: 1fr; } .architecture-grid { grid-template-columns: 1fr; } .use-cases { grid-template-columns: 1fr; } .footer-content { grid-template-columns: 1fr; gap: 40px; } nav { display: none; } }
    @media (max-width: 768px) { .container { padding: 0 20px; } .hero h1 { font-size: 42px; } .section-title { font-size: 36px; } .cta-section { padding: 60px 30px; } .cta-title { font-size: 36px; } .hero-stats { flex-direction: column; gap: 20px; } .card-content { grid-template-columns: 1fr; } }