:root{color-scheme:dark;--bg:#06111f;--card:#0d2033;--line:#28445f;--text:#edf7ff;--muted:#9bb5cc;--accent:#2addc1}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 80% 0,#123b55 0,transparent 34%),var(--bg);color:var(--text);font-family:Inter,Segoe UI,system-ui,sans-serif;line-height:1.65}header,main,footer{width:min(100% - 32px,980px);margin:auto}header{display:flex;justify-content:space-between;align-items:center;padding:24px 0}header a{color:var(--text);text-decoration:none}header nav{display:flex;gap:16px;flex-wrap:wrap}main{padding:44px 0 80px}.eyebrow{color:var(--accent);font-size:12px;font-weight:800;letter-spacing:.14em}h1{font-size:clamp(34px,6vw,62px);line-height:1.05;margin:12px 0 20px}h2{margin-top:42px}p,li{color:var(--muted)}.lead{font-size:19px;max-width:760px}.card,pre{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:22px;margin:18px 0}pre{overflow:auto;color:#dffef8;white-space:pre-wrap}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.button{display:inline-block;margin-top:12px;padding:12px 18px;border-radius:12px;background:var(--accent);color:#042029;text-decoration:none;font-weight:800}footer{padding:24px 0 40px;color:var(--muted);border-top:1px solid var(--line)}@media(max-width:620px){header{align-items:flex-start;gap:14px;flex-direction:column}main{padding-top:24px}}