:root {
  --bg: #fdfcf9;
  --text: #2b2b2b;
  --muted: #767676;
  --accent: #1f5f8b;
  --rule: #e4e0d8;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", system-ui, sans-serif;
  line-height: 1.65;
}

header, main, footer {
  max-width: 40rem;
  margin: 0 auto;
  padding: 0 1.25rem;
}

header {
  padding-top: 4rem;
  padding-bottom: 0.5rem;
}

h1 {
  font-size: 2.2rem;
  margin: 0;
}

.tagline {
  color: var(--muted);
  margin-top: 0.25rem;
}

h2 {
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
}

.posts {
  list-style: none;
  padding: 0;
}

.posts li {
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--rule);
}

.posts .date {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  margin-right: 1rem;
  font-size: 0.9rem;
}

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

code {
  font-family: Consolas, "Cascadia Mono", monospace;
  font-size: 0.92em;
  background: #f1eee7;
  padding: 0.1rem 0.3rem;
  border-radius: 3px;
}

pre {
  background: #f1eee7;
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 0.9rem 1rem;
  overflow-x: auto;
  line-height: 1.5;
}

pre code {
  background: none;
  padding: 0;
}

article p:first-of-type { margin-top: 1.5rem; }

.backlink {
  display: inline-block;
  margin-top: 2rem;
}

footer {
  margin-top: 4rem;
  padding-top: 1rem;
  padding-bottom: 2rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.9rem;
}