:root {
  color-scheme: light;
  --ink: #14201d;
  --muted: #60716b;
  --paper: #f7f3e8;
  --panel: #fffdf5;
  --line: #d9d0bd;
  --accent: #0b6f5f;
  --accent-2: #b6462f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: linear-gradient(135deg, #f7f3e8 0%, #e9f1eb 55%, #f5e8d7 100%);
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
}

.site-shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0;
}

.hero {
  max-width: 780px;
}

.language-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  margin-bottom: 26px;
  padding: 0 16px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9rem;
  text-decoration: none;
}

.language-link:hover {
  background: rgba(11, 111, 95, 0.1);
}

.eyebrow,
.book-kicker {
  color: var(--accent-2);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 12px 0 18px;
  font-size: clamp(3rem, 8vw, 6.5rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.lede {
  max-width: 660px;
  color: var(--muted);
  font-size: 1.25rem;
  line-height: 1.65;
}

.site-author {
  margin: -4px 0 18px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.95rem;
}

.site-author a {
  color: var(--accent);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

.book-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 52px;
}

.book-card {
  display: block;
  min-height: 280px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 253, 245, 0.82);
  color: inherit;
  text-decoration: none;
}

.book-card.primary {
  background: #fffdf5;
  border-color: var(--accent);
}

.book-card h2 {
  margin: 16px 0 18px;
  font-size: 2rem;
  line-height: 1.08;
}

.book-card p,
.notes p {
  color: var(--muted);
  line-height: 1.6;
}

.notes {
  margin-top: 44px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

pre {
  overflow-x: auto;
  padding: 18px;
  border-radius: 8px;
  background: #14201d;
  color: #f8f0db;
}

@media (max-width: 820px) {
  .book-grid {
    grid-template-columns: 1fr;
  }

  .site-shell {
    width: min(100% - 28px, 720px);
    padding: 44px 0;
  }
}