:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1b1b1b;
  --muted: #5c5c5c;
  --rule: #e2e2e2;
  --link: #1a56b8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131313;
    --fg: #e8e6e3;
    --muted: #a0a0a0;
    --rule: #2c2c2c;
    --link: #7aa7ff;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0 auto;
  padding: 3rem 1.25rem 5rem;
  max-width: 42rem;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
h1 { font-size: 1.6rem; line-height: 1.25; margin: 0 0 .35rem; }
h2 { font-size: 1.1rem; margin: 2.25rem 0 .5rem; }
p, ul { margin: 0 0 1rem; }
ul { padding-left: 1.25rem; }
li { margin-bottom: .35rem; }
a { color: var(--link); }
code {
  font: .9em/1.4 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: color-mix(in srgb, var(--fg) 8%, transparent);
  padding: .1em .35em;
  border-radius: 3px;
}
.lede { color: var(--muted); margin-bottom: 2rem; }
nav { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--rule); font-size: .9rem; }
nav a { margin-right: 1.25rem; }
footer { margin-top: 2.5rem; color: var(--muted); font-size: .85rem; }