/**
 * Categories Section - TecnoMax v2.0
 * 6 product categories with animated hover effects
 */

/* ============================================
   CATEGORIES SECTION
   ============================================ */
.categories-section {
  background-color: var(--color-bg-primary);
  padding: var(--sp-3xl) var(--sp-lg);
  position: relative;
}

.categories-header {
  text-align: center;
  margin-bottom: var(--sp-2xl);
}

.categories-header h2 {
  color: var(--color-text-primary);
  margin-bottom: var(--sp-md);
}

.categories-header p {
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================
   CATEGORIES GRID
   ============================================ */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

@media (max-width: 1023px) {
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
}

@media (max-width: 640px) {
  .categories-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

/* ============================================
   CATEGORY CARD
   ============================================ */
.category-card {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-bg-tertiary);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transition: all var(--transition-elastic);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

/* Card background overlay */
.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(124, 58, 237, 0.1) 0%,
    rgba(0, 217, 255, 0.05) 100%
  );
  transition: left var(--transition-elastic);
  pointer-events: none;
  z-index: 1;
}

.category-card:hover::before {
  left: 0;
}

/* Card content positioning */
.category-card > * {
  position: relative;
  z-index: 2;
}

/* ============================================
   CATEGORY ICON
   ============================================ */
.category-icon {
  font-size: 4rem;
  line-height: 1;
  text-align: center;
  transition: all var(--transition-base);
  filter: drop-shadow(0 0 0px rgba(0, 217, 255, 0));
}

.category-card:hover .category-icon {
  font-size: 4.5rem;
  transform: rotate(-5deg) scale(1.15);
  filter: drop-shadow(0 0 15px rgba(0, 217, 255, 0.3));
}

/* ============================================
   CATEGORY TITLE
   ============================================ */
.category-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
  text-align: center;
  letter-spacing: -0.02em;
  transition: color var(--transition-base);
  margin: 0;
}

.category-card:hover .category-title {
  color: var(--color-accent-cyan);
}

/* ============================================
   CATEGORY DESCRIPTION
   ============================================ */
.category-description {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  text-align: center;
  line-height: 1.6;
  margin: 0;
  flex-grow: 1;
}

/* ============================================
   CATEGORY BUTTON
   ============================================ */
.category-button {
  align-self: center;
  margin-top: auto;
}

.category-button.btn {
  padding: 0.875rem 2rem;
  font-size: 0.875rem;
}

/* ============================================
   CARD HOVER EFFECT
   ============================================ */
.category-card:hover {
  border-color: var(--color-accent-cyan);
  background-color: var(--color-bg-secondary);
  box-shadow: 0 0 30px rgba(0, 217, 255, 0.15);
  transform: translateY(-8px);
}

/* ============================================
   BORDER GLOW ANIMATION
   ============================================ */
.category-card {
  background-image:
    linear-gradient(var(--color-bg-secondary), var(--color-bg-secondary)),
    linear-gradient(135deg, transparent, rgba(0, 217, 255, 0.3), transparent);
  background-origin: border-box;
  background-clip: padding-box, border-box;
}

.category-card:hover {
  background-image:
    linear-gradient(var(--color-bg-secondary), var(--color-bg-secondary)),
    linear-gradient(135deg, rgba(0, 217, 255, 0.5), rgba(124, 58, 237, 0.3), rgba(0, 217, 255, 0.2));
}

/* ============================================
   STAGGER ANIMATION
   ============================================ */
.category-card {
  animation: card-appear 0.6s ease-out backwards;
}

.category-card:nth-child(1) { animation-delay: 0s; }
.category-card:nth-child(2) { animation-delay: 0.1s; }
.category-card:nth-child(3) { animation-delay: 0.2s; }
.category-card:nth-child(4) { animation-delay: 0.1s; }
.category-card:nth-child(5) { animation-delay: 0.2s; }
.category-card:nth-child(6) { animation-delay: 0.3s; }

@keyframes card-appear {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   ACTIVE STATE (for current category)
   ============================================ */
.category-card.active {
  border-color: var(--color-accent-purple);
  background-color: rgba(124, 58, 237, 0.1);
  box-shadow: 0 0 30px rgba(124, 58, 237, 0.2);
}

.category-card.active .category-title {
  color: var(--color-accent-purple);
}

.category-card.active .category-icon {
  filter: drop-shadow(0 0 20px rgba(124, 58, 237, 0.4));
}