/* ==========================================================================
   CATEGORY CARD
   Whole card is clickable (stretched title link); subcategory links sit above it.
   ========================================================================== */

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-5);
}

.category-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition:
    border-color var(--duration) var(--ease),
    box-shadow var(--duration) var(--ease),
    transform var(--duration) var(--ease);
}

.category-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.category-card:focus-within {
  border-color: var(--primary);
}

.category-card__media {
  aspect-ratio: 4 / 3;
  margin: var(--space-2);
  margin-bottom: 0;
  display: grid;
  place-items: center;
  padding: var(--space-5);
  background: var(--surface-steel);
  border-radius: calc(var(--radius-lg) - 6px);
}

.category-card__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform var(--duration-slow) var(--ease);
}

.category-card:hover .category-card__media img {
  transform: scale(1.04);
}

.category-card__placeholder {
  width: 40%;
  height: 40%;
  color: var(--border-strong);
}

.category-card__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-5) var(--space-5) var(--space-4);
  flex: 1;
}

.category-card__title {
  font-size: var(--fs-lg);
}

/* Stretched link: makes the whole card a click target */
.category-card__link::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
}

.category-card__link:focus-visible {
  box-shadow: none;
}

.category-card__description {
  color: var(--text-muted);
  font-size: var(--fs-sm);
  line-height: 1.55;
}

.category-card__subs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: var(--space-2);
}

.category-card__subs a {
  position: relative;
  z-index: 2; /* above the stretched link */
  display: inline-block;
  padding: 3px 10px;
  font-size: var(--fs-xs);
  color: var(--text-muted);
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  transition:
    color var(--duration-fast) var(--ease),
    border-color var(--duration-fast) var(--ease);
}

.category-card__subs a:hover {
  color: var(--primary);
  border-color: var(--primary);
}

.category-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--border);
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

.category-card__count .mono {
  color: var(--text);
  font-weight: var(--fw-medium);
}

.category-card__arrow {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--surface-steel);
  color: var(--text);
  transition:
    background-color var(--duration) var(--ease),
    color var(--duration) var(--ease);
}

.category-card__arrow .icon {
  width: 16px;
  height: 16px;
}

.category-card:hover .category-card__arrow {
  background: var(--primary);
  color: var(--on-primary);
}

/* ---- Responsive -------------------------------------------------------- */

/* 4 → 2 columns (8 featured departments divide evenly in both) */
@media (max-width: 960px) {
  .category-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4);
  }
}

@media (max-width: 560px) {
  .category-grid {
    gap: var(--space-3);
  }

  .category-card {
    border-radius: var(--radius);
  }

  .category-card__media {
    margin: 6px 6px 0;
    padding: var(--space-3);
    border-radius: calc(var(--radius) - 4px);
  }

  .category-card__body {
    padding: var(--space-3) var(--space-3) var(--space-2);
    gap: var(--space-1);
  }

  .category-card__title {
    font-size: var(--fs-base);
    line-height: var(--lh-snug);
  }

  .category-card__description,
  .category-card__subs {
    display: none;
  }

  .category-card__footer {
    padding: var(--space-2) var(--space-3) var(--space-3);
    border-top: 0;
    font-size: var(--fs-xs);
  }

  .category-card__arrow {
    width: 26px;
    height: 26px;
  }
}