/* ===== PAGE HEADER ===== */
.page-header {
  background: var(--cream-100);
  padding: 8rem 1rem 3rem;
  text-align: center;
}
.page-header__inner {
  max-width: 48rem; margin: 0 auto;
}
.page-header__label {
  font-family: 'Outfit', sans-serif;
  font-size: 0.75rem; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--accent-terracotta);
  margin-bottom: 0.75rem;
}
.page-header__title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(1.875rem, 5vw, 3.75rem);
  font-weight: 600; color: var(--earth-brown);
}
.page-header__desc {
  font-size: 1rem; color: var(--earth-tan);
  margin-top: 1rem; line-height: 1.625;
  max-width: 42rem; margin-left: auto; margin-right: auto;
}

/* ===== FILTER BAR ===== */
.filter-bar {
  position: sticky; top: 4.5rem; z-index: 40;
  background: rgba(253,251,247,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--cream-200);
  padding: 1rem;
}
.filter-bar__inner {
  max-width: 80rem; margin: 0 auto;
}
.filter-bar__tabs {
  display: flex; align-items: center; gap: 0.5rem;
  overflow-x: auto; padding-bottom: 2px;
  -ms-overflow-style: none; scrollbar-width: none;
}
.filter-bar__tabs::-webkit-scrollbar { display: none; }
.filter-tab {
  padding: 0.5rem 1rem; border-radius: 9999px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.875rem; white-space: nowrap;
  transition: all 0.3s ease;
  background: var(--cream-200); color: var(--earth-warm);
}
.filter-tab:hover {
  background: var(--cream-300);
}
.filter-tab.active {
  background: var(--earth-brown); color: #ffffff;
}

/* ===== COLLECTION GRID ===== */
.collection-section {
  padding: 2.5rem 1rem 4rem;
  background: var(--cream-50);
}
.collection__container {
  max-width: 80rem; margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

/* Product cards (reusing .product-card from styles.css) */
.collection__container .product-card {
  opacity: 0; transform: translateY(1.5rem);
  animation: cardFadeIn 0.5s ease forwards;
}
@keyframes cardFadeIn {
  to { opacity: 1; transform: translateY(0); }
}

/* Empty state */
.collection__empty {
  grid-column: 1 / -1;
  text-align: center; padding: 5rem 1rem;
  font-size: 1.125rem; color: var(--earth-tan);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .collection__container { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .collection__container { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
  .filter-bar { top: 4rem; }
}
@media (max-width: 480px) {
  .collection__container { grid-template-columns: 1fr; max-width: 320px; }
}