*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #6366f1;--primary-dark: #4f46e5;--secondary: #8b5cf6;--accent: #06b6d4;--dark: #0f172a;--dark-lighter: #1e293b;--dark-card: #334155;--text-primary: #f8fafc;--text-secondary: #cbd5e1;--text-muted: #94a3b8;--border: #475569;--success: #10b981;--gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);--gradient-dark: linear-gradient(135deg, var(--dark) 0%, var(--dark-lighter) 100%)}.theme-emerald{--primary: #10b981;--primary-dark: #059669;--secondary: #14b8a6;--accent: #06b6d4;--gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%)}.theme-sunset{--primary: #f97316;--primary-dark: #ea580c;--secondary: #ef4444;--accent: #f59e0b;--gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%)}.theme-cyber{--primary: #06b6d4;--primary-dark: #0891b2;--secondary: #3b82f6;--accent: #8b5cf6;--gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%)}.theme-rose{--primary: #f43f5e;--primary-dark: #e11d48;--secondary: #ec4899;--accent: #a855f7;--gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%)}.theme-amber{--primary: #f59e0b;--primary-dark: #d97706;--secondary: #eab308;--accent: #f97316;--gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%)}.theme-mono{--primary: #f8fafc;--primary-dark: #e2e8f0;--secondary: #cbd5e1;--accent: #94a3b8;--gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%)}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--dark);color:var(--text-primary);line-height:1.6;overflow-x:hidden}.container{max-width:1200px;margin:0 auto;padding:0 2rem}header{position:fixed;top:0;width:100%;background:#0f172af2;backdrop-filter:blur(20px);border-bottom:1px solid var(--border);z-index:1000;transition:all .3s ease}nav{display:flex;justify-content:space-between;align-items:center;height:80px}.logo{font-size:1.75rem;font-weight:700;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.nav-links{display:flex;list-style:none;gap:2rem}.nav-links a{color:var(--text-secondary);text-decoration:none;font-weight:500;transition:color .3s ease;position:relative}.nav-links a:hover{color:var(--text-primary)}.nav-links a:after{content:"";position:absolute;bottom:-5px;left:0;width:0;height:2px;background:var(--gradient-primary);transition:width .3s ease}.nav-links a:hover:after{width:100%}.cta-nav{background:var(--gradient-primary);padding:.75rem 1.5rem;border-radius:.75rem;color:#fff;text-decoration:none;font-weight:600;transition:all .3s ease;border:none;cursor:pointer}.cta-nav:hover{transform:translateY(-2px);box-shadow:0 10px 25px #6366f14d}.hero{min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden;background:var(--gradient-dark)}.hero:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 20%,rgba(99,102,241,.1) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(139,92,246,.1) 0%,transparent 50%),radial-gradient(circle at 40% 60%,rgba(6,182,212,.05) 0%,transparent 50%)}.hero-content{position:relative;z-index:1;text-align:center;max-width:800px;margin:0 auto}.hero h1{font-size:clamp(3rem,8vw,5.5rem);font-weight:800;margin-bottom:1.5rem;background:linear-gradient(135deg,var(--text-primary) 0%,var(--text-secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.1}.hero-subtitle{font-size:1.5rem;font-weight:600;margin-bottom:1rem;color:var(--primary)}.hero p{font-size:1.25rem;color:var(--text-secondary);margin-bottom:3rem;max-width:600px;margin-left:auto;margin-right:auto}.hero-buttons{display:flex;gap:1.5rem;justify-content:center;flex-wrap:wrap}.btn{padding:1rem 2rem;border-radius:.75rem;font-weight:600;text-decoration:none;transition:all .3s ease;border:2px solid transparent;display:inline-flex;align-items:center;gap:.5rem;font-size:1.1rem}.btn-primary{background:var(--gradient-primary);color:#fff}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 15px 35px #6366f166}.btn-secondary{background:transparent;color:var(--text-primary);border-color:var(--border)}.btn-secondary:hover{background:var(--dark-card);border-color:var(--primary);transform:translateY(-2px)}.features{padding:8rem 0;background:var(--dark-lighter);position:relative}.section-header{text-align:center;margin-bottom:5rem}.section-title{font-size:3rem;font-weight:800;margin-bottom:1rem;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.section-subtitle{font-size:1.25rem;color:var(--text-secondary);max-width:600px;margin:0 auto}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2.5rem}.feature-card{background:var(--dark-card);padding:2.5rem;border-radius:1.5rem;border:1px solid var(--border);transition:all .3s ease;position:relative;overflow:hidden}.feature-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-primary);transform:scaleX(0);transition:transform .3s ease}.feature-card:hover{transform:translateY(-5px);border-color:var(--primary);box-shadow:0 20px 40px #0000004d}.feature-card:hover:before{transform:scaleX(1)}.feature-icon{width:60px;height:60px;background:var(--gradient-primary);border-radius:1rem;display:flex;align-items:center;justify-content:center;margin-bottom:1.5rem;font-size:1.5rem}.feature h3{font-size:1.5rem;font-weight:700;margin-bottom:1rem;color:var(--text-primary)}.feature p{color:var(--text-secondary);line-height:1.7}.roadmap{padding:8rem 0;background:var(--dark);position:relative;overflow-x:auto}.roadmap-container{position:relative;min-width:1200px;margin:0 auto;padding:0 2rem}.subway-map{position:relative;height:600px;margin:3rem 0}.subway-line{position:absolute;top:50%;left:50px;right:50px;height:6px;background:linear-gradient(90deg,var(--primary) 0%,var(--secondary) 100%);border-radius:3px;transform:translateY(-50%);z-index:1}.branch-line{position:absolute;background:var(--border);z-index:1}.branch-vertical{width:3px;height:80px}.branch-horizontal{height:3px;width:60px}.timeline-marker{position:absolute;top:50%;transform:translateY(-50%);background:var(--dark-card);border:3px solid var(--primary);border-radius:1rem;padding:.5rem 1rem;font-weight:700;font-size:.9rem;color:var(--primary);z-index:3}.timeline-marker.current{background:var(--primary);color:#fff;box-shadow:0 0 20px #f43f5e66}.feature-node{position:absolute;width:16px;height:16px;border-radius:50%;cursor:pointer;transition:all .3s ease;z-index:2}.feature-node.completed{background:var(--success);box-shadow:0 0 10px #10b98166}.feature-node.current{background:var(--primary);box-shadow:0 0 15px #f43f5e99;animation:pulse 2s infinite}.feature-node.future{background:var(--border);border:2px solid var(--text-muted)}.feature-node:hover{transform:scale(1.3)}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.2)}}.feature-popup{position:absolute;background:var(--dark-card);border:1px solid var(--border);border-radius:1rem;padding:1.5rem;min-width:250px;max-width:300px;box-shadow:0 10px 30px #00000080;opacity:0;visibility:hidden;transition:all .3s ease;z-index:4}.feature-popup.show{opacity:1;visibility:visible}.feature-popup h4{color:var(--text-primary);font-size:1.1rem;font-weight:700;margin-bottom:.5rem}.feature-popup p{color:var(--text-secondary);font-size:.9rem;line-height:1.5;margin-bottom:1rem}.feature-status{display:inline-block;padding:.25rem .75rem;border-radius:1rem;font-size:.8rem;font-weight:600}.status-completed{background:#10b98133;color:var(--success)}.status-current{background:#f43f5e33;color:var(--primary)}.status-future{background:#94a3b833;color:var(--text-muted)}.mission{padding:8rem 0;background:var(--dark);position:relative}.mission-content{text-align:center;max-width:800px;margin:0 auto}.mission h2{font-size:3rem;font-weight:800;margin-bottom:2rem;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.mission-statement{font-size:1.5rem;color:var(--text-secondary);line-height:1.8;margin-bottom:3rem;font-style:italic}.mission-values{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2rem;margin-top:4rem}.value{text-align:center}.value-icon{width:80px;height:80px;background:var(--gradient-primary);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 1rem;font-size:2rem}.value h4{font-size:1.25rem;font-weight:700;margin-bottom:.5rem;color:var(--text-primary)}.value p{color:var(--text-muted);font-size:.95rem}footer{background:var(--dark-lighter);padding:3rem 0 2rem;border-top:1px solid var(--border)}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:3rem;margin-bottom:2rem}.footer-section h4{font-size:1.25rem;font-weight:700;margin-bottom:1rem;color:var(--text-primary)}.footer-section ul{list-style:none}.footer-section ul li{margin-bottom:.5rem}.footer-section a{color:var(--text-secondary);text-decoration:none;transition:color .3s ease}.footer-section a:hover{color:var(--primary)}.footer-bottom{text-align:center;padding-top:2rem;border-top:1px solid var(--border);color:var(--text-muted)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in-up{animation:fadeInUp .8s ease-out}@media (max-width: 768px){.nav-links{display:none}.hero-buttons{flex-direction:column;align-items:center}.btn{width:100%;max-width:300px;justify-content:center}.features-grid{grid-template-columns:1fr}.mission-values{grid-template-columns:repeat(2,1fr);gap:1.5rem}.roadmap{padding-left:1rem;padding-right:1rem}.roadmap-container{min-width:800px}.subway-map{height:400px}.feature-popup{min-width:200px;max-width:220px;padding:1rem}}@media (max-width: 480px){.container{padding:0 1rem}.mission-values{grid-template-columns:1fr}}html{scroll-behavior:smooth}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--dark)}::-webkit-scrollbar-thumb{background:var(--primary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--primary-dark)}