:root{--bg:#fbfbfa;--fg:#1c1c1a;--muted:#6b6b66;--line:#e4e4e0;--accent:#2f5d50}
@media (prefers-color-scheme:dark){
  :root{--bg:#14161a;--fg:#e8e8e4;--muted:#9a9a94;--line:#2a2d33;--accent:#79b8a4}
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);
  font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
.wrap{max-width:820px;margin:0 auto;padding:0 24px}
header.site{border-bottom:1px solid var(--line);padding:22px 0}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{font-weight:650;letter-spacing:-.01em;text-decoration:none;color:var(--fg)}
nav a{color:var(--muted);text-decoration:none;margin-left:20px;font-size:14px}
nav a:hover{color:var(--fg)}
.hero{padding:72px 0 56px}
.hero h1{font-size:clamp(28px,5vw,42px);line-height:1.15;margin:0 0 16px;letter-spacing:-.02em}
.hero p{color:var(--muted);font-size:18px;max-width:56ch;margin:0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:22px;
  padding:8px 0 64px}
.card{border:1px solid var(--line);border-radius:10px;padding:20px;background:transparent}
.card h3{margin:0 0 8px;font-size:15px}
.card p{margin:0;color:var(--muted);font-size:14px}
.prose{padding:56px 0}
.prose h1{font-size:30px;margin:0 0 8px}
.prose h2{font-size:19px;margin:32px 0 8px}
.prose p{color:var(--muted)}
a{color:var(--accent)}
code{background:var(--line);padding:2px 6px;border-radius:4px;font-size:13px}
pre{background:var(--line);padding:16px;border-radius:8px;overflow-x:auto}
pre code{background:none;padding:0}
table{width:100%;border-collapse:collapse;font-size:14px;margin:16px 0}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}
th{font-weight:600}
footer.site{border-top:1px solid var(--line);padding:28px 0;margin-top:40px;
  color:var(--muted);font-size:13px}
footer.site .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}