/* Book reader support for MerrinWorld static pages */

.book-wrap {
  max-width: 900px;
}

.book-hero {
  padding: 42px 0 24px;
}

.book-hero h1 {
  max-width: 820px;
}

.book-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.book-nav a {
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 999px;
  padding: 8px 12px;
  font-weight: 700;
}

.book-nav a:hover {
  background: color-mix(in srgb, var(--accent) 16%, transparent);
}

.book-page {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: clamp(22px, 5vw, 54px);
  margin: 20px 0 32px;
}

.book-page p {
  max-width: 68ch;
  margin: 0 auto 1.05em;
  font-size: clamp(1.03rem, 1.8vw, 1.18rem);
  line-height: 1.78;
}

.book-page h2 {
  max-width: 68ch;
  margin: 2.2em auto 0.9em;
}

.book-page h2:first-child {
  margin-top: 0;
}

.shout-line {
  font-weight: 900;
  letter-spacing: 0.03em;
}

.book-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 18px;
  margin: 28px 0;
}

.book-bottom-nav {
  justify-content: space-between;
  margin-bottom: 32px;
}

@media (max-width: 760px) {
  .book-page {
    border-radius: 20px;
    padding: 22px;
  }

  .book-page p {
    font-size: 1rem;
    line-height: 1.72;
  }
}