:root {
  color-scheme: light;
  --ink: #0a0a0a;
  --muted: #5c5c5c;
  --bg: #f2f2f2;
  --rule: #d6d6d6;
  --link: #00687f;
  --focus: #1a1ac8;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --ink: #f2f2f2;
    --muted: #9a9a9a;
    --bg: #0a0a0a;
    --rule: #3a3a3a;
    --link: #00d4ff;
    --focus: #00d4ff;
  }
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.65 ui-monospace, "SF Mono", "Menlo", "Consolas", monospace;
}
main {
  box-sizing: border-box;
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 1rem 4rem;
}
h1 {
  font-size: 1.75rem;
  line-height: 1.2;
  margin: 0 0 0.5rem;
}
h2 {
  font-size: 1.05rem;
  margin: 2rem 0 0.5rem;
  border-top: 1px solid var(--rule);
  padding-top: 1.25rem;
}
p.meta {
  color: var(--muted);
  margin: 0 0 1.5rem;
}
a {
  color: var(--link);
  text-underline-offset: 2px;
}
a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}
nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  margin: 0 0 2.5rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--rule);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
nav a {
  color: var(--muted);
  text-decoration: none;
}
nav a:first-child {
  margin-right: auto;
  color: var(--ink);
  font-weight: 700;
}
nav a:hover {
  color: var(--ink);
}