:root{--bg:#05070f;--fg:#e5eefb;--muted:#a8b5cc;--card:#0b1020;--accent:#22d3ee;--nav-bg:#05070fcc;--border:#ffffff14;--container-max:1100px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--fg);margin:0;font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.6}.container{max-width:var(--container-max);margin:0 auto;padding:0 24px}.flex-row{justify-content:space-between;align-items:center;display:flex}.navbar{z-index:100;background:var(--nav-bg);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:16px 0;position:sticky;top:0}.logo{letter-spacing:-.02em;font-size:1.25rem;font-weight:700}.nav-links{gap:32px;display:flex}.nav-links a{color:var(--muted);font-size:.9rem;font-weight:500;text-decoration:none;transition:color .2s}.nav-links a:hover{color:var(--fg)}.hero{text-align:center;padding:100px 0 80px}.eyebrow{color:var(--accent);text-transform:uppercase;letter-spacing:.1em;margin-bottom:16px;font-size:.8rem;font-weight:700}h1{letter-spacing:-.03em;margin:0 0 24px;font-size:clamp(2.5rem,8vw,4.5rem);font-weight:800;line-height:1.1}.sub{color:var(--muted);max-width:600px;margin:0 auto 40px;font-size:1.25rem}.btn{cursor:pointer;border:none;border-radius:8px;padding:14px 28px;font-weight:600;text-decoration:none;transition:transform .2s,opacity .2s;display:inline-block}.btn:active{transform:scale(.98)}.btn-primary{background:var(--accent);color:#000}.section{padding:80px 0}.section-title{letter-spacing:-.02em;margin-bottom:40px;font-size:2rem;font-weight:700}.section-intro{color:var(--muted);max-width:700px;margin-bottom:40px}.grid{grid-template-columns:repeat(3,1fr);gap:24px;display:grid}.grid-4{grid-template-columns:repeat(4,1fr)}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:32px;transition:border-color .3s}.card:hover{border-color:#22d3ee4d}.card h3,.card h4{margin:0 0 12px;font-size:1.25rem}.card p{color:var(--muted);margin:0;font-size:.95rem}.term-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px;display:grid}.term-item{border-left:2px solid var(--border);flex-direction:column;gap:4px;padding:16px;display:flex}.term-item:hover{border-left-color:var(--accent)}.term{color:var(--accent);font-family:monospace;font-weight:700}.definition{color:var(--muted);font-size:.9rem}.features-visual{flex-direction:column;gap:32px;display:flex}.feature-item{gap:20px;display:flex}.feature-item .dot{background:var(--accent);width:12px;height:12px;box-shadow:0 0 12px var(--accent);border-radius:50%;flex-shrink:0;margin-top:8px}.feature-item h4{margin:0 0 4px;font-size:1.1rem}.feature-item p{color:var(--muted);margin:0}.footer{border-top:1px solid var(--border);margin-top:40px;padding:60px 0 40px}.footer-content{justify-content:space-between;margin-bottom:40px;display:flex}.logo-small{margin-bottom:8px;font-weight:700}.footer-links a{color:var(--muted);text-decoration:none}.disclaimer{border-top:1px solid var(--border);color:#e5eefb80;padding-top:32px;font-size:.8rem;line-height:1.5}@media (width<=1024px){.grid-4{grid-template-columns:1fr 1fr}}@media (width<=768px){.grid,.grid-4{grid-template-columns:1fr}.flex-row{flex-direction:column;gap:16px}.navbar{text-align:center}.footer-content{flex-direction:column;gap:32px}h1{font-size:2.5rem}}