:root {
  --bg: #fbfaf6;
  --fg: #1f2a22;
  --muted: #5b675e;
  --accent: #2f6b45;
  --line: #dfe3dc;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1d1b;
    --fg: #e8ebe6;
    --muted: #a7b0a8;
    --accent: #8fcb9f;
    --line: #353a36;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 1.0625rem/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

main, header, footer {
  max-width: 42rem;
  margin: 0 auto;
  padding: 0 1rem;
}

header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  align-items: baseline;
  justify-content: space-between;
  padding-top: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--line);
}

.brand { font-weight: 700; text-decoration: none; color: var(--fg); }

nav.lang a { margin-left: 0.75rem; }

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

section { padding: 1.5rem 0 1rem; border-bottom: 1px solid var(--line); }
section:last-of-type { border-bottom: 0; }

h1 { font-size: 1.6rem; line-height: 1.25; margin: 0 0 0.5rem; }
h2 { font-size: 1.15rem; margin: 1.5rem 0 0.25rem; }

.lead { color: var(--muted); margin-top: 0; }
.updated { color: var(--muted); font-size: 0.9375rem; }

ul { padding-left: 1.25rem; }
li { margin: 0.25rem 0; }

footer {
  padding-top: 1rem;
  padding-bottom: 2rem;
  color: var(--muted);
  font-size: 0.9375rem;
  border-top: 1px solid var(--line);
}