:root {
  --ink: #16161d;
  --paper: #f4f3ef;
  --muted: #5e5e6b;
  --line: #e2e0d8;
  --accent: #ff4f2e;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #f4f3ef;
    --paper: #111116;
    --muted: #a2a2b0;
    --line: #2a2a35;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 16px/1.7 Inter, "Segoe UI", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
nav { border-bottom: 1px solid var(--line); }
nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 19px; text-decoration: none; color: var(--ink); }
.brand img { width: 28px; height: 28px; }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 24px; }
main { padding: 56px 0 80px; }
h1 { font-size: clamp(32px, 5vw, 44px); letter-spacing: -.03em; line-height: 1.1; margin: 0 0 8px; }
.updated { color: var(--muted); font-size: 14px; margin: 0 0 40px; }
h2 { font-size: 21px; letter-spacing: -.01em; margin: 40px 0 8px; }
p, li { color: color-mix(in srgb, var(--ink) 85%, transparent); }
ul { padding-left: 20px; }
li { margin: 4px 0; }
footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
footer a { color: inherit; text-decoration: none; }
footer a:hover { color: var(--ink); }
@media (max-width: 520px) { .wrap { padding: 0 16px; } }