:root {
  --bg: #fbfaf8;
  --text: #1d1c1a;
  --muted: #5f5b55;
  --rule: #e3e0da;
  --link: #1f4f8a;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161514;
    --text: #ecebe8;
    --muted: #a6a29b;
    --rule: #34322f;
    --link: #8fb7ea;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 1.0625rem/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
main, footer { max-width: 40rem; margin: 0 auto; padding: 0 1.25rem; }
main { padding-top: 4.5rem; padding-bottom: 2.5rem; }
h1 { font-size: 2.25rem; letter-spacing: -0.02em; margin: 0 0 1.5rem; }
h2 { font-size: 1rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin: 2.5rem 0 0.5rem; }
.lede { font-size: 1.25rem; line-height: 1.55; margin: 0; }
p { margin: 0 0 1rem; }
a { color: var(--link); text-underline-offset: 0.15em; }
footer {
  display: flex; flex-wrap: wrap; gap: 1.25rem;
  border-top: 1px solid var(--rule);
  padding-top: 1.25rem; padding-bottom: 3rem;
  font-size: 0.9375rem; color: var(--muted);
}
footer span { margin-left: auto; }
.doc h1 { font-size: 1.75rem; }
.doc h2 { text-transform: none; letter-spacing: 0; font-size: 1.15rem; color: var(--text); }
.meta { color: var(--muted); font-size: 0.9375rem; }
.placeholder { color: var(--muted); font-style: italic; }
ul { padding-left: 1.25rem; }
@media (max-width: 30rem) {
  main { padding-top: 2.5rem; }
  h1 { font-size: 1.85rem; }
  .lede { font-size: 1.125rem; }
  footer span { margin-left: 0; width: 100%; }
}