/* ======================================================
   COLLECTIONS PAGE
   ====================================================== */
.page-hero {
  position: relative;
  min-height: 50vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-black);
  overflow: hidden;
  padding-top: 72px;
}
.page-hero-bg {
  position: absolute; inset: 0;
}
.page-hero-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.4;
}
.page-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.7) 100%);
}
.page-hero-content {
  position: relative; z-index: 2;
  text-align: center;
  color: var(--color-white);
  padding: var(--space-12) var(--space-6);
}
.page-hero-title {
  font-size: var(--text-4xl);
  color: var(--color-white);
  margin-bottom: var(--space-4);
}
.page-hero-subtitle {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.7);
  max-width: 600px;
  margin-inline: auto;
}

/* Filters */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  margin-bottom: var(--space-10);
}
.filter-btn {
  padding: var(--space-2) var(--space-5);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gray-600);
  background: var(--color-gray-100);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}
.filter-btn:hover {
  background: var(--color-gray-200);
  color: var(--color-black);
}
.filter-btn.is-active {
  background: var(--color-accent);
  color: var(--color-white);
}

/* Collection Grid */
.collection-products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}
@media (min-width: 640px) {
  .collection-products-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1024px) {
  .collection-products-grid { grid-template-columns: repeat(4, 1fr); }
}