:root {
  --text: #1f2328;
  --muted: #6a737d;
  --accent: #0b5d67;
  --bg: #fdfdfc;
  --border: #e6e2da;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
}

.site-header, main, .site-footer {
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  padding-top: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
}

.site-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

.site-header nav a {
  margin-left: 1rem;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

.site-header nav a:hover { color: var(--accent); }

main { padding-top: 2.5rem; padding-bottom: 3rem; }

h1, h2, h3 {
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.3;
}

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

.post-meta {
  color: var(--muted);
  font-size: 0.9rem;
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
}

.post-preview { margin-bottom: 2.5rem; }
.post-preview h2 { margin-bottom: 0.25rem; }
.post-preview h2 a { text-decoration: none; color: var(--text); }
.post-preview h2 a:hover { color: var(--accent); }

.post-content blockquote {
  margin: 1.5rem 0;
  padding-left: 1.25rem;
  border-left: 3px solid var(--accent);
  color: var(--muted);
  font-style: italic;
}

.post-content table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.95rem;
}

.post-content th, .post-content td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  text-align: left;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  padding-bottom: 2.5rem;
  color: var(--muted);
  font-size: 0.95rem;
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

@media (max-width: 600px) {
  body { font-size: 1.02rem; }
  .site-header { flex-direction: column; }
  .site-header nav a { margin-left: 0; margin-right: 1rem; }
}