:root {
  color-scheme: light dark;
  --bg: #fafaf8;
  --fg: #1f2328;
  --muted: #5b6168;
  --link: #1f5fa8;
  --rule: #dcdcd6;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16181b;
    --fg: #e6e6e3;
    --muted: #a3a8ae;
    --link: #8ab8ef;
    --rule: #33373c;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
main {
  max-width: 42rem;
  margin: 0 auto;
  padding: 3rem 1rem 4rem;
}
h1 { font-size: 1.75rem; line-height: 1.25; margin: 0 0 1.25rem; }
h2 {
  font-size: 1.15rem;
  margin: 2.25rem 0 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
}
p, ul { margin: 0 0 1rem; }
ul { padding-left: 1.25rem; }
li { margin-bottom: 0.4rem; }
a { color: var(--link); text-underline-offset: 2px; overflow-wrap: anywhere; }
code { font: 0.92em ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.lead { font-size: 1.05rem; }
.meta { margin-top: 2.5rem; color: var(--muted); font-size: 0.9rem; }