:root{--bg:#f7f6f3;--fg:#16181b;--muted:#5b616a;--rule:#d9d6cf;--accent:#b4232c;color-scheme:light}
@media (prefers-color-scheme:dark){:root{--bg:#0f1113;--fg:#ecebe7;--muted:#9aa0a8;--rule:#2a2e33;--accent:#e0484f;color-scheme:dark}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.6 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.skip{position:absolute;left:-999px;top:0;background:var(--fg);color:var(--bg);padding:8px 12px}
.skip:focus{left:16px;top:16px}
main{max-width:680px;margin:0 auto;padding:72px 16px 96px}
.mark{font:600 13px/1 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
h1{font-size:clamp(32px,6vw,48px);line-height:1.1;letter-spacing:-.02em;margin:.5em 0 .4em}
h2{font-size:15px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin:2.4em 0 .6em;font-weight:600}
p{margin:0 0 1em}
.lede{font-size:20px;color:var(--fg)}
.muted{color:var(--muted)}
hr{border:0;border-top:1px solid var(--rule);margin:2.4em 0}
a{color:var(--fg);text-decoration-color:var(--accent);text-underline-offset:3px}
a:hover{color:var(--accent)}
ul{padding-left:1.2em;margin:0 0 1em}
li{margin:.3em 0}
footer{color:var(--muted);font-size:14px}