:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #14161a;
  --muted: #4a5058;
  --rule: #d6dae0;
  --link: #0b5cad;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --fg: #f2f4f7;
    --muted: #b3bac3;
    --rule: #333941;
    --link: #7fb7f0;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  padding: 3rem 1.5rem 5rem;
  background: var(--bg);
  color: var(--fg);
  font: 20px/1.65 system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-text-size-adjust: 100%;
}
main { max-width: 40rem; margin: 0 auto; }
h1 {
  font-size: 2rem;
  line-height: 1.2;
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
}
h2 {
  font-size: 1.25rem;
  margin: 2.5rem 0 0.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
}
p, li { margin: 0 0 1rem; }
ul { padding-left: 1.25rem; }
a { color: var(--link); text-underline-offset: 0.15em; }
a:focus-visible { outline: 3px solid var(--link); outline-offset: 3px; }
.lede { font-size: 1.15rem; color: var(--muted); margin-bottom: 2rem; }
.meta {
  margin-top: 3.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  font-size: 0.9rem;
  color: var(--muted);
}