/* Shop / coloring book collections */

.collection {
  margin-bottom: 56px;
}

.collection__title {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
}

.collection__desc {
  max-width: 700px;
  color: var(--wood-brown-dark);
  margin-bottom: 28px;
}

.collection__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 24px;
}

.book-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  border: 2px solid var(--cream-dark);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
}

.book-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
}

.book-card__image img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
}

.book-card__info {
  padding: 14px 16px 18px;
  text-align: center;
}

.book-card__title {
  margin-bottom: 12px;
  font-size: 1.05rem;
}

.book-card__buy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 9px 18px;
  border-radius: 999px;
  background: var(--gold);
  color: var(--ink);
  transition: background 0.15s ease;
}

.book-card__buy:hover {
  background: var(--gold-dark);
}