:root {
  --fg: #2b2b2b;
  --muted: #6b6b6b;
  --accent: #2f6f4f;
  --bg: #fbfaf7;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.6;
}
header {
  border-bottom: 1px solid #e2ded5;
  padding: 1rem 0;
}
nav {
  max-width: 42rem;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  gap: 1.5rem;
}
nav a {
  color: var(--fg);
  text-decoration: none;
}
nav a.brand {
  font-weight: bold;
  margin-right: auto;
}
main {
  max-width: 42rem;
  margin: 0 auto;
  padding: 2rem 1rem;
}
h1 { font-size: 1.9rem; margin-top: 0; }
h2 { font-size: 1.3rem; }
h2 a { color: var(--accent); text-decoration: none; }
.intro { color: var(--muted); }
article { margin-bottom: 2rem; }
footer {
  max-width: 42rem;
  margin: 0 auto;
  padding: 1rem;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid #e2ded5;
}