/* ============================
   Product Categories Section
   ============================ */

.product-categories {
  padding: var(--section-padding) 0;
  background: var(--color-gray-50);
}

.product-categories__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* --- Header --- */
.product-categories__header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

/* --- Grid --- */
.product-categories__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

/* --- Card --- */
.product-categories__card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.product-categories__card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  border-color: var(--color-primary);
}

/* --- Icon circle --- */
.product-categories__icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(24, 45, 151, 0.08);
  color: var(--color-primary);
  border-radius: 50%;
  margin-bottom: var(--space-md);
  transition: background 0.3s ease, color 0.3s ease;
  position: relative;
}

.product-categories__icon-num {
  position: absolute;
  bottom: -2px;
  right: -4px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.product-categories__card:hover .product-categories__icon {
  background: var(--color-primary);
  color: var(--color-white);
}

.product-categories__icon svg {
  width: 32px;
  height: 32px;
}

/* --- Text --- */
.product-categories__card-title {
  font-family: var(--font-body);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-dark);
  margin: 0 0 var(--space-sm);
}

.product-categories__card-desc {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  line-height: 1.5;
  margin: 0 0 var(--space-md);
  flex: 1;
}

.product-categories__card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-primary);
  transition: gap 0.2s ease;
}

.product-categories__card:hover .product-categories__card-link {
  gap: var(--space-sm);
}

.product-categories__card-link svg {
  width: 16px;
  height: 16px;
}

/* --- Scroll animation --- */
.product-categories__animate {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.product-categories__animate--visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger */
.product-categories__card:nth-child(1) { transition-delay: 0ms; }
.product-categories__card:nth-child(2) { transition-delay: 100ms; }
.product-categories__card:nth-child(3) { transition-delay: 200ms; }
.product-categories__card:nth-child(4) { transition-delay: 300ms; }

/* --- Responsive --- */
@media (max-width: 1023px) {
  .product-categories__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .product-categories {
    padding: var(--section-padding-sm) 0;
  }

  .product-categories__container {
    padding: 0 var(--container-padding-mobile);
  }

  .product-categories__grid {
    grid-template-columns: 1fr;
  }
}