/* ========================================
   VCG QLD v2 — Products Listing Page
   Styles specific to products.html
   ======================================== */

/* ========================================
   1. PAGE HERO
   ======================================== */
.page-hero {
  position: relative;
  padding: var(--lg-hero-pad-top) var(--lg-hero-pad-x) var(--lg-hero-pad-bottom);
  background: var(--lg-hero-bg);
  text-align: center;
  overflow: hidden;
}

.page-hero-content {
  position: relative;
  z-index: var(--z-raised);
  max-width: 700px;
  margin: 0 auto;
}

.page-hero p {
  font-size: var(--text-body-lg);
  color: var(--color-text-secondary);
  line-height: var(--lh-prose);
  max-width: 480px;
  margin: 0 auto;
}

/* ========================================
   2. FILTER BAR — Liquid Glass capsule
   ======================================== */
.filter-bar {
  position: sticky;
  top: var(--nav-height);
  z-index: var(--z-sticky-high);
  padding: var(--space-sm) var(--space-page-x);
  display: flex;
  justify-content: center;
  background: none !important;
  border: none !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

.filter-bar-inner {
  display: inline-flex;
  align-items: center;
  gap: var(--gap-filter);
  padding: var(--padding-filter-bar);
  border-radius: var(--radius-button);
  background: var(--glass-white-15);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-white-25);
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.filter-bar-inner::-webkit-scrollbar {
  display: none;
}

.filter-btn {
  position: relative;
  padding: var(--padding-filter-btn);
  border-radius: var(--radius-button);
  border: none;
  background: transparent;
  color: var(--glass-white-70);
  font-family: inherit;
  font-size: var(--text-sm-plus);
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--ease-normal);
  flex-shrink: 0;
  z-index: var(--z-base);
}

.filter-btn:hover {
  color: var(--color-white);
  background: var(--glass-white-10);
}

.filter-btn.active {
  background: var(--glass-white-70);
  color: var(--color-primary);
  box-shadow: 0 1px 4px var(--shadow-tint-06), 0 4px 12px var(--shadow-tint-04);
}

.filter-btn.active:hover {
  background: var(--glass-white-80);
}

/* ========================================
   3. PRODUCTS LISTING SECTION
   ======================================== */
.products-listing {
  background: var(--lg-bg);
  padding: var(--space-section-y) var(--space-page-x);
  min-height: 400px;
  position: relative;
}

/* ========================================
   4. BRAND GROUP
   ======================================== */
.brand-group {
  margin-bottom: var(--space-3);
}

.brand-group:last-child {
  margin-bottom: 0;
}

/* Static — no reveal animation; only the product cards animate. */
.brand-heading {
  font-size: var(--text-h3);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin-bottom: var(--gap-card);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--badge-border);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.brand-heading__logo {
  display: block;
  height: var(--brand-logo-h);
  width: auto;
}

.brand-heading::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 1.2em;
  background: var(--color-primary);
  border-radius: var(--r-hairline);
  flex-shrink: 0;
}

/* ========================================
   5. PRODUCTS GRID
   ======================================== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap-card);
}

/* ========================================
   6. PRODUCT CARD (listing-specific overrides)
   Base styles live in global.css §15
   ======================================== */
.product-card {
  opacity: 0;
}

a.product-card:hover .product-enquire {
  gap: var(--space-xs);
}

/* ========================================
   7. EMPTY STATE
   ======================================== */
.products-empty {
  text-align: center;
  padding: var(--space-4) var(--space-page-x);
}

.products-empty-icon {
  width: 64px;
  height: 64px;
  color: var(--color-text-muted);
  opacity: 0.4;
  margin: 0 auto var(--gap-card);
}

.products-empty h3 {
  font-size: var(--text-lg);
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.products-empty p {
  font-size: var(--text-body);
  color: var(--color-text-muted);
  max-width: 400px;
  margin: 0 auto;
}

/* Scroll to top — styles in global.css */

/* ========================================
   9. RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .page-hero {
    padding: var(--lg-hero-pad-top-m) var(--lg-hero-pad-x-m) var(--lg-hero-pad-bottom-m);
  }

  .filter-bar {
    padding: var(--space-xs) var(--space-page-x-m);
    overflow: hidden;
  }

  .filter-bar-inner {
    gap: var(--gap-filter-m);
    padding: var(--gap-filter-m);
    max-width: 100%;
  }

  .filter-btn {
    padding: var(--padding-filter-btn-m);
    font-size: var(--text-xs-plus);
  }

  .products-listing {
    padding: var(--space-xl) var(--space-page-x-m) var(--space-4);
  }

  .products-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .product-image {
    height: 260px;
  }

  .brand-heading {
    font-size: var(--text-lg);
    margin-bottom: var(--space-md);
  }
  .brand-heading__logo {
    height: var(--brand-logo-h-m);
  }
}

@media (max-width: 480px) {
  .page-hero {
    padding: calc(var(--nav-height) + 2rem) var(--space-page-x-sm) 2rem;
  }

  .filter-bar {
    padding: var(--space-xs) var(--space-sm);
  }

  .filter-bar-inner {
    gap: var(--gap-filter-sm);
    padding: var(--gap-filter-sm);
  }

  .filter-btn {
    padding: var(--padding-filter-btn-sm);
    font-size: var(--text-xs);
  }
}

/* ========================================
   10. ACCESSIBILITY
   ======================================== */
/* Fallback: if GSAP hasn't run after 1.5s, show cards anyway */
.product-card.gsap-revealed,
.brand-heading.gsap-revealed {
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .page-hero,
  .product-card,
  .filter-btn {
    transition: none;
  }

  .product-card,
  .brand-heading {
    opacity: 1;
  }

  a.product-card:hover {
    transform: none;
  }
}