:root {
  --bg: #ffffff;
  --text: #1a1a1a;
  --accent: #000080;
  --dim: #666;
  --code-bg: #f4f4f4;
}

body {
  font-family: "Liberation Sans", sans-serif;
  line-height: 1.6;
  color: var(--text);
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

header {
  border-bottom: 2px solid var(--text);
  padding-bottom: 1rem;
  margin-bottom: 2rem;
}

a {
  color: var(--accent);
  text-decoration: none;
  font-weight: bold;
  margin-right: 15px;
}

a:hover {
  text-decoration: underline;
}

h2 {
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  border-bottom: 1px solid #ddd;
  padding-bottom: 0.3rem;
  margin-top: 2.5rem;
}

h3 {
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

h3 span {
  font-family: monospace;
  font-size: 0.85rem;
  background: var(--code-bg);
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: normal;
  margin-left: 10px;
  color: var(--text);
}

footer {
  margin-top: 4rem;
  border-top: 1px solid #eee;
  font-size: 0.85rem;
  color: var(--dim);
}