:root {
  color-scheme: light dark;
  --bg: #f7f5f0;
  --fg: #1c1917;
  --muted: #57534e;
  --link: #1d4ed8;
  --border: #d6d3d1;
  --max: 40rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1917;
    --fg: #f5f5f4;
    --muted: #a8a29e;
    --link: #93c5fd;
    --border: #44403c;
  }
}

* {
  box-sizing: border-box;
}

html {
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.55;
  background: var(--bg);
  color: var(--fg);
}

body {
  margin: 0;
  min-height: 100vh;
}

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

header,
main,
footer {
  width: min(var(--max), calc(100% - 2rem));
  margin-inline: auto;
}

header {
  padding: 1.5rem 0 1rem;
  border-bottom: 1px solid var(--border);
}

header p {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin-top: 0.85rem;
}

nav a {
  text-decoration: none;
}

nav a[aria-current="page"] {
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

main {
  padding: 1.75rem 0 3rem;
}

h1 {
  font-size: 1.65rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
}

h2 {
  font-size: 1.15rem;
  margin: 1.75rem 0 0.6rem;
}

p,
li {
  color: var(--fg);
}

p,
ul {
  margin: 0 0 1rem;
}

ul {
  padding-left: 1.2rem;
}

.muted {
  color: var(--muted);
}

footer {
  padding: 0 0 2rem;
  color: var(--muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--border);
}

footer p {
  margin: 1rem 0 0;
  color: var(--muted);
}