:root{color-scheme:light dark;--bg:#fbfbfc;--fg:#16181d;--muted:#5d636e;--line:#e3e5ea;--accent:#2f6fdd}
@media (prefers-color-scheme:dark){:root{--bg:#111318;--fg:#e8eaee;--muted:#9aa1ad;--line:#252932;--accent:#7aa7f0}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
main{max-width:44rem;margin:0 auto;padding:3rem 1.25rem}
h1{font-size:1.9rem;letter-spacing:-.02em;margin:0 0 .5rem}
h2{font-size:1.05rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:2.25rem 0 .5rem}
.lead{color:var(--muted);margin:0 0 1.5rem}
ul{padding-left:1.1rem;margin:0}
li{margin:.35rem 0}
.k{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--accent)}
a{color:var(--accent)}
footer{margin-top:3rem;padding-top:1rem;border-top:1px solid var(--line);color:var(--muted);font-size:.9rem}