:root{--bg:#fff7f0;--ink:#1d1a1a;--muted:#5f5752;--accent:#ff5a36;--card:#ffffff;--line:#f0dcd0}
@media (prefers-color-scheme:dark){:root{--bg:#171312;--ink:#f6ede7;--muted:#b9aca4;--accent:#ff7a5c;--card:#221c1a;--line:#3a2f2b}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
main{max-width:680px;margin:0 auto;padding:40px 16px 64px}
h1{font-size:2.2rem;line-height:1.1;margin:0 0 8px;letter-spacing:-.02em}
h2{font-size:1.2rem;margin:32px 0 8px}
.brand{font-weight:800;color:var(--accent);text-decoration:none;font-size:1.05rem}
.sub{color:var(--muted);margin:0 0 24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;margin:16px 0}
a{color:var(--accent)}
ul{padding-left:20px}
footer{margin-top:48px;color:var(--muted);font-size:.9rem}
footer a{margin-right:16px}