:root {
  color-scheme: light;
  --ink: #1c2420;
  --muted: #5c675f;
  --rule: #e4ddd2;
  --canvas: #f6f3ec;
  --surface: #fffcf7;
  --action: #0b6b52;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--canvas);
  color: var(--ink);
  line-height: 1.55;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

header {
  margin-bottom: 28px;
}

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

h1 {
  font-size: 2rem;
  line-height: 1.15;
  margin: 8px 0 12px;
}

h2 {
  font-size: 1.15rem;
  margin: 28px 0 8px;
}

p, li { font-size: 1rem; }

.meta, footer {
  color: var(--muted);
  font-size: 0.9rem;
}

nav {
  display: flex;
  gap: 16px;
  margin-top: 20px;
}

article {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 16px;
  padding: 24px 22px;
}

footer {
  display: flex;
  gap: 16px;
  margin-top: 24px;
}