:root{--navy: #0a1628;--navy-light: #121f36;--navy-card: #1a2942;--slate: #8899aa;--white: #f0f4f8;--accent: #3b82f6;--accent-glow: #60a5fa;--gold: #f59e0b;--success: #22c55e;--radius: 12px;--max-width: 1100px}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,Segoe UI,system-ui,sans-serif;background:var(--navy);color:var(--white);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--accent-glow);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}header{position:fixed;top:0;width:100%;z-index:100;background:#0a1628e6;backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.06)}header .container{display:flex;justify-content:space-between;align-items:center;height:64px}.logo{font-size:1.25rem;font-weight:700;letter-spacing:-.02em;color:var(--white)}.logo span{color:var(--accent-glow)}header nav a{color:var(--slate);font-size:.9rem;margin-left:28px;transition:color .2s}header nav a:hover{color:var(--white);text-decoration:none}.hero{padding:160px 0 100px;text-align:center;background:radial-gradient(ellipse at 50% 0%,rgba(59,130,246,.08) 0%,transparent 60%)}.hero h1{font-size:clamp(2.5rem,6vw,4rem);font-weight:800;letter-spacing:-.03em;line-height:1.1;margin-bottom:20px}.hero h1 .accent{color:var(--accent-glow)}.hero .subtitle{font-size:clamp(1.1rem,2.5vw,1.35rem);color:var(--slate);max-width:580px;margin:0 auto 40px}.hero .stats{display:flex;justify-content:center;gap:40px;flex-wrap:wrap;margin-bottom:40px}.hero .stat{text-align:center}.hero .stat-value{font-size:2rem;font-weight:800;color:var(--accent-glow)}.hero .stat-label{font-size:.85rem;color:var(--slate)}.cta-btn{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;padding:14px 32px;border-radius:50px;font-size:1.05rem;font-weight:600;transition:background .2s,transform .15s}.cta-btn:hover{background:var(--accent-glow);transform:translateY(-1px);text-decoration:none}.cta-group{text-align:center}.cta-sub{color:var(--slate);font-size:.9rem;margin-top:12px}.cta-sub-small{color:var(--slate);font-size:.85rem;margin-top:10px}section{padding:100px 0}section:nth-child(2n){background:var(--navy-light)}.section-title{font-size:clamp(1.8rem,4vw,2.5rem);font-weight:800;letter-spacing:-.02em;margin-bottom:16px;text-align:center}.section-subtitle{color:var(--slate);text-align:center;max-width:560px;margin:0 auto 60px;font-size:1.1rem}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}.feature-card{background:var(--navy-card);border-radius:var(--radius);padding:32px;border:1px solid rgba(255,255,255,.06);transition:border-color .2s}.feature-card:hover{border-color:#3b82f64d}.feature-icon{font-size:2rem;margin-bottom:16px}.feature-card h3{font-size:1.15rem;margin-bottom:8px}.feature-card p{color:var(--slate);font-size:.95rem}.subjects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.subject-card{background:var(--navy-card);border-radius:var(--radius);padding:20px 24px;border:1px solid rgba(255,255,255,.06);display:flex;align-items:center;gap:12px;font-weight:500}.subject-card .num{background:var(--accent);color:#fff;width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:700;flex-shrink:0}.pricing-card{max-width:440px;margin:0 auto;background:var(--navy-card);border-radius:16px;padding:48px 40px;text-align:center;border:2px solid rgba(59,130,246,.3);position:relative}.pricing-card .price{font-size:3.5rem;font-weight:800;letter-spacing:-.03em}.pricing-card .price-sub{color:var(--slate);margin-bottom:32px}.pricing-card ul{list-style:none;text-align:left;margin-bottom:36px}.pricing-card li{padding:8px 0;color:var(--slate);font-size:.95rem}.pricing-card li:before{content:"✓";color:var(--success);font-weight:700;margin-right:10px}.pricing-badge{position:absolute;top:-14px;left:50%;transform:translate(-50%);background:var(--gold);color:var(--navy);padding:6px 20px;border-radius:50px;font-size:.8rem;font-weight:700;text-transform:uppercase}footer{padding:48px 0;border-top:1px solid rgba(255,255,255,.06);text-align:center;color:var(--slate);font-size:.85rem}footer a{color:var(--slate)}footer a:hover{color:var(--white)}footer .links{margin-bottom:12px}footer .links a{margin:0 16px}.page-content{padding:120px 0 80px;max-width:680px;margin:0 auto}.page-content h1{font-size:2rem;margin-bottom:8px}.page-content .updated{color:var(--slate);font-size:.9rem;margin-bottom:40px}.page-content h2{font-size:1.3rem;margin-top:40px;margin-bottom:12px}.page-content p{color:var(--slate);margin-bottom:16px}.page-content strong{color:var(--white)}@media(max-width:640px){.hero .stats{gap:24px}.pricing-card{padding:36px 24px}header nav a{margin-left:16px;font-size:.8rem}}