:root{--bg:#fff;--fg:#1b1b1f;--mut:#62626b;--line:#e4e4e8;--acc:#b3263e;--card:#f6f6f8}
@media(prefers-color-scheme:dark){:root{--bg:#141417;--fg:#ececf0;--mut:#9a9aa4;--line:#2a2a30;--acc:#e0566d;--card:#1c1c21}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
a{color:var(--acc)}header,main,footer{max-width:860px;margin:0 auto;padding:0 20px}
header{display:flex;justify-content:space-between;align-items:center;padding-top:20px;padding-bottom:20px}
header a.logo{font-weight:700;font-size:20px;text-decoration:none;color:var(--fg)}nav a{margin-left:18px;color:var(--mut);text-decoration:none}
h1{font-size:2.3rem;line-height:1.15;margin:.6em 0 .3em}h2{margin-top:2em}img{max-width:100%;height:auto;border-radius:10px}
.lead{font-size:1.2rem;color:var(--mut)}.cta{display:flex;gap:12px;flex-wrap:wrap;margin:1.4em 0}
.btn{display:inline-block;padding:12px 22px;border-radius:8px;background:var(--acc);color:#fff;text-decoration:none;font-weight:600;border:0;font-size:1rem;cursor:pointer}
.btn.alt{background:transparent;color:var(--fg);border:1px solid var(--line)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}.card{background:var(--card);border-radius:10px;padding:16px 18px}
table{border-collapse:collapse;width:100%;font-size:.95rem}td,th{border-bottom:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
pre{white-space:pre-wrap;font:14px/1.5 ui-monospace,Menlo,monospace;background:var(--card);padding:16px;border-radius:10px}
footer{border-top:1px solid var(--line);margin-top:3em;padding-top:18px;padding-bottom:40px;color:var(--mut);font-size:.9rem}footer a{color:var(--mut);margin-right:14px}