:root {
  --text: #1f1f1f;
  --muted: #5a5a5a;
  --bg: #fdfdfb;
  --rule: #ddd;
  --link: #1a4f8b;
}
@media (prefers-color-scheme: dark) {
  :root { --text: #e8e8e6; --muted: #a8a8a4; --bg: #161616; --rule: #333; --link: #8ab4f8; }
}
* { 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, sans-serif;
}
main { max-width: 40rem; margin: 0 auto; padding: 2.5rem 1.25rem 4rem; }
h1 { font-size: 1.75rem; line-height: 1.25; margin: 0 0 .5rem; }
h2 { font-size: 1.2rem; margin: 2.25rem 0 .75rem; padding-top: 1.25rem; border-top: 1px solid var(--rule); }
.meta { color: var(--muted); font-size: .9rem; margin: 0; }
p { margin: 0 0 1rem; }
a { color: var(--link); text-underline-offset: 2px; }
a:focus-visible { outline: 2px solid var(--link); outline-offset: 2px; }
dl { display: grid; grid-template-columns: max-content 1fr; gap: .35rem 1.25rem; margin: 0; }
dt { color: var(--muted); }
dd { margin: 0; overflow-wrap: anywhere; }
figure { margin: 1.5rem 0; }
img { max-width: 100%; height: auto; display: block; }
figcaption { color: var(--muted); font-size: .9rem; margin-top: .4rem; }
@media (max-width: 30rem) { dl { grid-template-columns: 1fr; } dt { margin-top: .5rem; } }
.sub { font-size: 1.15rem; color: var(--muted); margin: 0 0 .25rem; }
header { margin-bottom: 2rem; }