:root {
  --bg: #fbfaf7;
  --fg: #1c1b19;
  --muted: #6b675f;
  --rule: #e4e0d8;
  --link: #1f4e8c;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141413;
    --fg: #ecebe6;
    --muted: #a19d94;
    --rule: #2c2b28;
    --link: #8db4e8;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 "Source Serif 4", Georgia, "Times New Roman", serif;
}
main {
  max-width: 40rem;
  margin: 0 auto;
  padding: 3rem 1.25rem 4rem;
}
h1 {
  font: 600 1.9rem/1.2 "Source Serif 4", Georgia, serif;
  margin: 0 0 0.4rem;
  text-wrap: balance;
}
h2 {
  font: 600 1.1rem/1.3 "IBM Plex Sans", system-ui, sans-serif;
  margin: 2.2rem 0 0.5rem;
}
.meta {
  font: 0.85rem/1.4 "IBM Plex Sans", system-ui, sans-serif;
  color: var(--muted);
  margin: 0 0 2rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--rule);
}
a { color: var(--link); }
ul { padding-left: 1.2rem; }
li { margin: 0.3rem 0; }
nav {
  font: 0.85rem/1.4 "IBM Plex Sans", system-ui, sans-serif;
  margin-bottom: 2.5rem;
}
nav a { margin-right: 1rem; }