:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1c1b1f;
  --muted: #5f5c66;
  --rule: #e2e0e6;
  --link: #2b5cb8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141317;
    --fg: #e6e1e9;
    --muted: #a5a0ab;
    --rule: #2f2d34;
    --link: #9db8f5;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

main {
  max-width: 42rem;
  margin: 0 auto;
  padding: 3rem 1.25rem 4rem;
}

header { margin-bottom: 2.5rem; }

h1 {
  font-size: 1.9rem;
  line-height: 1.25;
  margin: 0 0 .5rem;
  letter-spacing: -.015em;
}

h2 {
  font-size: 1.1rem;
  margin: 2.25rem 0 .6rem;
  letter-spacing: -.005em;
}

p, li { margin: 0 0 .85rem; }

ul { padding-left: 1.25rem; }

.lead {
  font-size: 1.1rem;
  color: var(--muted);
}

.date, .back {
  font-size: .9rem;
  color: var(--muted);
}

.back { margin-bottom: 1.5rem; }

a { color: var(--link); }

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .88em;
  background: color-mix(in srgb, var(--fg) 8%, transparent);
  padding: .12em .35em;
  border-radius: 4px;
  word-break: break-all;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin: 2.5rem 0 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
}

footer {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  font-size: .9rem;
  color: var(--muted);
}

section { margin-bottom: .5rem; }