/* =========================================================
   STEELS — PRODUCTS STYLESHEET
   Product cards, archive layout, single product, filters
   ========================================================= */

/* ----------------------------------------------------------
   PRODUCT CATEGORY TABS BAR
   ---------------------------------------------------------- */
.product-cat-tabs-bar { border-bottom: 2px solid var(--color-light-gray); }

.product-cat-tabs {
  display: flex;
  align-items: stretch;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  gap: 0;
  scrollbar-width: none;
}

.product-cat-tabs::-webkit-scrollbar { display: none; }

.product-cat-tab {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-dark-gray);
  white-space: nowrap;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  text-decoration: none;
}

.product-cat-tab:hover { color: var(--color-primary); }
.product-cat-tab--active { color: var(--color-accent); border-bottom-color: var(--color-accent); }

.product-cat-tab__count {
  background: var(--color-light-gray);
  color: var(--color-dark-gray);
  font-size: var(--text-xs);
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 20px;
}

.product-cat-tab--active .product-cat-tab__count { background: var(--color-accent); color: var(--color-white); }

/* ----------------------------------------------------------
   ARCHIVE LAYOUT
   ---------------------------------------------------------- */
.products-archive__layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-10);
  align-items: start;
}

/* ----------------------------------------------------------
   SIDEBAR
   ---------------------------------------------------------- */
.products-archive__sidebar { position: sticky; top: calc(100px + var(--space-6)); }

.sidebar-widget {
  background: var(--color-white);
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin-bottom: var(--space-5);
}

.sidebar-widget__title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-accent);
  display: block;
}

/* Sidebar Search */
.sidebar-search {
  display: flex;
  border: 2px solid var(--color-light-gray);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}
.sidebar-search:focus-within { border-color: var(--color-steel); }

.sidebar-search__input {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  border: none;
  color: var(--color-charcoal);
}
.sidebar-search__input:focus { outline: none; }

.sidebar-search__btn {
  padding: var(--space-2) var(--space-3);
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast);
}
.sidebar-search__btn:hover { background: var(--color-accent); }

/* Sidebar Categories */
.sidebar-cats { list-style: none; }

.sidebar-cat > a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-charcoal);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.sidebar-cat > a:hover { color: var(--color-accent); background: var(--color-off-white); }
.sidebar-cat--active > a { color: var(--color-accent); font-weight: 700; background: rgba(232,49,26,.06); }

.sidebar-cat__count {
  font-size: var(--text-xs);
  color: var(--color-mid-gray);
  background: var(--color-light-gray);
  padding: 2px 7px;
  border-radius: 10px;
}

.sidebar-cat--active .sidebar-cat__count { background: var(--color-accent); color: var(--color-white); }

.sidebar-subcats {
  list-style: none;
  padding-left: var(--space-4);
  margin-top: var(--space-1);
}

.sidebar-subcats a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-dark-gray);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.sidebar-subcats a:hover { color: var(--color-accent); }

.sidebar-subcats span { font-size: 10px; color: var(--color-mid-gray); }

/* Sidebar CTA */
.sidebar-widget--cta { background: var(--color-primary); border-color: var(--color-primary); }
.sidebar-widget--cta .sidebar-widget__title { color: var(--color-white); border-bottom-color: var(--color-gold); }
.sidebar-widget--cta p { color: rgba(255,255,255,.75); font-size: var(--text-sm); }

.sidebar-widget--contact { background: var(--color-off-white); }

/* ----------------------------------------------------------
   PRODUCTS TOOLBAR
   ---------------------------------------------------------- */
.products-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-light-gray);
  flex-wrap: wrap;
}

.products-toolbar__info { font-size: var(--text-sm); color: var(--color-dark-gray); }

.products-toolbar__controls {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.products-sort {
  padding: var(--space-2) var(--space-8) var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  border: 2px solid var(--color-light-gray);
  border-radius: var(--radius-sm);
  color: var(--color-charcoal);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%234A5568'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}

.products-view-toggle { display: flex; border: 2px solid var(--color-light-gray); border-radius: var(--radius-sm); overflow: hidden; }

.products-view-btn {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-mid-gray);
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.products-view-btn--active { background: var(--color-primary); color: var(--color-white); }
.products-view-btn:not(.products-view-btn--active):hover { background: var(--color-off-white); color: var(--color-charcoal); }

/* ----------------------------------------------------------
   PRODUCTS GRID (Archive)
   ---------------------------------------------------------- */
.products-grid--archive {
  grid-template-columns: repeat(3, 1fr);
}

/* List view */
.products-grid[data-view="list"] { grid-template-columns: 1fr; }

.products-grid[data-view="list"] .product-card {
  display: grid;
  grid-template-columns: 200px 1fr;
}

.products-grid[data-view="list"] .product-card__image { height: 100%; min-height: 160px; }
.products-grid[data-view="list"] .product-card__photo { height: 100%; }

/* ----------------------------------------------------------
   PRODUCT CARD
   ---------------------------------------------------------- */
.product-card {
  background: var(--color-white);
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  position: relative;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-steel-light);
}

.product-card__image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--color-light-gray);
}

.product-card__photo {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-card__photo { transform: scale(1.06); }

.product-card__photo--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-off-white) 0%, var(--color-light-gray) 100%);
  color: var(--color-mid-gray);
  height: 100%;
}

.product-card__cat-badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 2px;
}

.product-card__body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: var(--space-3);
}

.product-card__specs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.product-card__spec {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--color-off-white);
  color: var(--color-dark-gray);
  padding: 3px 8px;
  border-radius: 2px;
  border: 1px solid var(--color-light-gray);
}

.product-card__spec--sku { color: var(--color-steel); border-color: rgba(74,127,181,.3); background: rgba(74,127,181,.06); }

.product-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.3;
}

.product-card__title a { transition: color var(--transition-fast); }
.product-card__title a:hover { color: var(--color-accent); }

.product-card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-dark-gray);
  line-height: 1.65;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-light-gray);
}

.product-card__enquire {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-white);
  background: var(--color-primary);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.product-card__enquire:hover { background: var(--color-accent); }

/* ----------------------------------------------------------
   SINGLE PRODUCT PAGE
   ---------------------------------------------------------- */
.product-hero__inner { max-width: none; }

.product-hero__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.product-hero__grade {
  display: inline-block;
  margin-top: var(--space-3);
  background: rgba(255,255,255,.12);
  color: rgba(255,255,255,.85);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,.2);
}

.product-hero__actions { display: flex; gap: var(--space-3); flex-wrap: wrap; flex-shrink: 0; align-self: flex-end; }

/* Product Detail Layout */
.product-detail__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

/* Product Gallery */
.product-gallery { margin-bottom: var(--space-8); }

.product-gallery__main {
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--color-light-gray);
  margin-bottom: var(--space-3);
}

.product-gallery__main-img { width: 100%; height: 100%; object-fit: cover; }

.product-gallery__placeholder {
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--color-off-white) 0%, var(--color-light-gray) 100%);
  color: var(--color-mid-gray);
}

.product-gallery__thumbs { display: flex; gap: var(--space-2); flex-wrap: wrap; }

.product-gallery__thumb {
  width: 72px; height: 54px;
  border: 2px solid var(--color-light-gray);
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  padding: 0;
  transition: border-color var(--transition-fast);
}

.product-gallery__thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-gallery__thumb--active, .product-gallery__thumb:hover { border-color: var(--color-accent); }

/* Specs Box */
.product-specs-box {
  background: var(--color-off-white);
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius-md);
  padding: var(--space-6);
}

.product-specs-box__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--color-accent);
}

.product-specs-box__list { display: flex; flex-direction: column; gap: 0; }

.product-specs-box__row {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-light-gray);
}

.product-specs-box__row:last-child { border-bottom: none; }

.product-specs-box__row dt {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-dark-gray);
  flex: 0 0 140px;
  padding-top: 2px;
}

.product-specs-box__row dd {
  font-size: var(--text-sm);
  color: var(--color-charcoal);
  font-weight: 500;
  flex: 1;
}

.product-specs-box__cat-link {
  display: inline-block;
  background: rgba(74,127,181,.1);
  color: var(--color-steel);
  font-size: var(--text-xs);
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 2px;
  margin-right: var(--space-1);
  transition: background var(--transition-fast);
}
.product-specs-box__cat-link:hover { background: rgba(74,127,181,.2); }

/* Product Tabs */
.product-tabs-nav {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--color-light-gray);
  margin-bottom: var(--space-6);
}

.product-tab-btn {
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-dark-gray);
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
}

.product-tab-btn:hover { color: var(--color-primary); }
.product-tab-btn--active { color: var(--color-accent); border-bottom-color: var(--color-accent); }

.product-tab-panel { display: none; }
.product-tab-panel--active { display: block; }

.product-description { color: var(--color-dark-gray); line-height: 1.8; }
.product-description h2, .product-description h3, .product-description h4 { color: var(--color-primary); margin: var(--space-5) 0 var(--space-3); }
.product-description p { margin-bottom: var(--space-4); }
.product-description ul, .product-description ol { padding-left: var(--space-5); margin-bottom: var(--space-4); }
.product-description li { list-style: disc; margin-bottom: var(--space-2); }

/* Applications */
.product-applications h3 { font-size: var(--text-xl); font-weight: 700; color: var(--color-primary); margin-bottom: var(--space-5); }

.product-apps-list { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }

.product-apps-list__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-charcoal);
  line-height: 1.5;
}

/* Specs Table */
.specs-table { width: 100%; border-collapse: collapse; }
.specs-table th, .specs-table td { padding: var(--space-3) var(--space-4); border: 1px solid var(--color-light-gray); font-size: var(--text-sm); }
.specs-table th { background: var(--color-off-white); font-weight: 700; text-align: left; color: var(--color-primary); width: 200px; }
.specs-table td { color: var(--color-charcoal); }
.specs-table tr:hover td { background: var(--color-off-white); }

/* ----------------------------------------------------------
   PRODUCT PAGINATION
   ---------------------------------------------------------- */
.products-pagination { margin-top: var(--space-10); }

/* ----------------------------------------------------------
   LOADING STATE
   ---------------------------------------------------------- */
.products-grid.is-loading::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,.7);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ----------------------------------------------------------
   RESPONSIVE
   ---------------------------------------------------------- */
@media (max-width: 1100px) {
  .products-archive__layout { grid-template-columns: 240px 1fr; }
  .products-grid--archive { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .products-archive__layout { grid-template-columns: 1fr; }
  .products-archive__sidebar { position: static; }
  .product-detail__layout { grid-template-columns: 1fr; }
  .product-apps-list { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .products-grid--archive { grid-template-columns: 1fr; }
  .products-grid[data-view="list"] .product-card { grid-template-columns: 1fr; }
  .product-hero__head { flex-direction: column; }
  .product-cat-tabs { gap: 0; }
}