/* ==========================================================================
   StoreHub — Categories
   Homepage "Shop by category" section. Requires base.css.
   ========================================================================== */

.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.category-card {
  position: relative;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  border: 1px solid var(--glass-border);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
  overflow: hidden;
}

.category-card::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-fast);
  z-index: 0;
}

.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.category-card:hover::before { opacity: 1; }

.category-card-img {
  width: 100%;
  aspect-ratio: 1/0.72;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}
.category-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-med); }
.category-card:hover .category-card-img img { transform: scale(1.08); }

.category-card h3 {
  font-size: 16px;
  font-weight: 600;
  position: relative;
  z-index: 1;
  transition: color var(--transition-fast);
}
.category-card p {
  font-size: 12.5px;
  color: var(--color-text-secondary);
  position: relative;
  z-index: 1;
  margin-top: 4px;
  transition: color var(--transition-fast);
}
.category-card:hover h3, .category-card:hover p { color: #fff; }

@media (max-width: 1100px) {
  .categories-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 720px) {
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .categories-grid { grid-template-columns: 1fr 1fr; }
}