:root { --ink:#111; --quiet:#6f6f6c; --soft:#f4f4f2; }
* { box-sizing:border-box; margin:0; }
html { -webkit-text-size-adjust:100%; }
body { font:400 17px/1.6 Inter,-apple-system,system-ui,sans-serif; color:var(--ink); background:#fff; -webkit-font-smoothing:antialiased; }
a { color:inherit; text-underline-offset:3px; }
.col { width:min(640px, 100% - 40px); margin-inline:auto; }
header { position:sticky; top:0; background:rgba(255,255,255,.86); backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px); }
header .col { height:64px; display:flex; align-items:center; justify-content:space-between; }
.brand { display:flex; align-items:center; gap:8px; font-weight:500; text-decoration:none; }
.brand img { width:30px; height:30px; margin-left:-3px; }
.pill { display:inline-flex; align-items:center; height:36px; padding:0 16px; border-radius:99px; background:var(--ink); color:#fff; font-size:14px; text-decoration:none; white-space:nowrap; }
main { padding:40px 0 0; }
h1 { font-size:34px; line-height:1.25; font-weight:600; letter-spacing:-.022em; }
.updated { margin-top:10px; color:var(--quiet); font-size:15px; }
.lead { margin-top:28px; font-size:20px; line-height:1.5; letter-spacing:-.01em; }
h2 { margin-top:44px; font-size:20px; line-height:1.35; font-weight:600; letter-spacing:-.012em; }
p, ul { margin-top:12px; }
ul { padding-left:20px; }
li + li { margin-top:6px; }
footer { padding:96px 0 48px; font-size:14px; color:var(--quiet); }
footer .col { display:flex; justify-content:space-between; gap:12px 16px; flex-wrap:wrap; }
footer nav { display:flex; gap:16px; flex-wrap:wrap; }
@media (max-width:640px) { main { padding-top:24px; } h1 { font-size:28px; } .lead { font-size:18px; } }