/* ============================================
   TaiChen — Products Page CSS
   Extends css/style.css
   ============================================ */

/* ---- NAV ACTIVE STATE ---- */
.nav-active { color: #fff !important; }
.nav-active::after { width: 100% !important; }

/* ---- PAGE HEADER ---- */
.page-header {
  background: var(--tc-dark);
  padding: 120px 0 60px;
  position: relative;
  overflow: hidden;
}
.page-header__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, #1a1410 0%, #2d1f14 50%, #1a1410 100%);
}
.page-header__bg::after {
  content: '';
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 40%;
  background: linear-gradient(90deg, transparent, rgba(139,94,60,0.08));
}

.page-header__content { position: relative; z-index: 2; }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin-bottom: 28px;
}
.breadcrumb a { color: rgba(255,255,255,0.3); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--tc-gold); }
.breadcrumb span:last-child { color: rgba(255,255,255,0.6); }

.page-header__body {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.page-title {
  font-family: var(--font-display);
  font-size: clamp(48px, 6vw, 72px);
  color: #fff;
  letter-spacing: 2px;
  line-height: 0.95;
  margin-bottom: 16px;
}

.page-subtitle {
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  letter-spacing: 1px;
}

.page-header__meta {
  display: flex;
  gap: 0;
  border: 1px solid rgba(255,255,255,0.08);
  flex-shrink: 0;
}

.meta-item {
  padding: 16px 24px;
  border-right: 1px solid rgba(255,255,255,0.08);
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 110px;
}
.meta-item:last-child { border-right: none; }

.meta-label {
  font-size: 9px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
}
.meta-value {
  font-size: 13px;
  font-weight: 500;
  color: var(--tc-gold);
  letter-spacing: 0.5px;
}

/* ---- FILTER BAR ---- */
.filter-bar {
  background: var(--tc-dark2);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  position: sticky;
  top: 68px;
  z-index: 100;
}

.filter-bar__inner {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 56px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.filter-bar__inner::-webkit-scrollbar { display: none; }

.filter-btn {
  flex-shrink: 0;
  background: none;
  border: none;
  color: rgba(255,255,255,0.4);
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 8px 16px;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
}
.filter-btn:hover { color: rgba(255,255,255,0.8); }
.filter-btn.active {
  color: var(--tc-gold);
  border-bottom-color: var(--tc-gold);
}

.filter-count {
  background: rgba(201,146,42,0.15);
  color: var(--tc-gold);
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 10px;
}

.filter-bar__search {
  margin-left: auto;
  flex-shrink: 0;
}
.filter-bar__search input {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  color: #fff;
  padding: 7px 14px;
  font-family: var(--font-body);
  font-size: 12px;
  width: 200px;
  transition: all var(--transition);
}
.filter-bar__search input::placeholder { color: rgba(255,255,255,0.25); }
.filter-bar__search input:focus {
  outline: none;
  border-color: var(--tc-gold);
  width: 240px;
}

/* ---- PRODUCTS MAIN ---- */
.products-main {
  background: var(--tc-light);
  padding: 0 0 80px;
}

/* ---- PRODUCT DETAIL CARD ---- */
.product-detail {
  padding: 72px 0;
  transition: opacity var(--transition);
}
.product-detail.hidden {
  display: none;
}

.product-detail__header {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 32px;
  align-items: start;
  margin-bottom: 48px;
}

.product-detail__num {
  font-family: var(--font-display);
  font-size: 80px;
  color: var(--tc-gold);
  opacity: 0.15;
  line-height: 1;
  margin-top: -8px;
  letter-spacing: 1px;
}

.product-detail__tag {
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--tc-wood);
  margin-bottom: 10px;
}

.product-detail__title {
  font-family: var(--font-display);
  font-size: clamp(32px, 3.5vw, 48px);
  letter-spacing: 1.5px;
  color: var(--tc-dark);
  line-height: 1;
  margin-bottom: 16px;
}
.product-detail__title span { color: var(--tc-wood); }

.product-detail__desc {
  font-size: 14px;
  color: var(--tc-muted);
  line-height: 1.75;
  max-width: 580px;
  font-weight: 300;
}

.product-detail__cta-block {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
  flex-shrink: 0;
}

.product-status {
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #2e7d32;
  background: #e8f5e9;
  border: 1px solid #c8e6c9;
  padding: 4px 10px;
}

.btn-sm {
  padding: 10px 20px;
  font-size: 11px;
}

/* ---- PRODUCT BODY GRID ---- */
.product-detail__body {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 48px;
  align-items: start;
}

/* ---- SPECS TABLE ---- */
.specs-title {
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--tc-muted);
  margin-bottom: 16px;
}

.specs-table {
  border: 1px solid rgba(26,20,16,0.08);
}

.spec-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  border-bottom: 1px solid rgba(26,20,16,0.06);
}
.spec-row:last-child { border-bottom: none; }

.spec-key {
  padding: 12px 16px;
  font-size: 12px;
  font-weight: 500;
  color: var(--tc-dark);
  background: rgba(26,20,16,0.025);
  border-right: 1px solid rgba(26,20,16,0.06);
  letter-spacing: 0.3px;
}

.spec-val {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--tc-muted);
  font-weight: 300;
}

/* ---- SIDE PANEL ---- */
.product-detail__side {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: sticky;
  top: 140px;
}

.species-panel {
  background: var(--tc-cream);
  padding: 24px;
  border: 1px solid rgba(26,20,16,0.06);
}

.species-panel__title {
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--tc-muted);
  margin-bottom: 16px;
}

.species-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.species-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--tc-dark);
  padding: 8px 10px;
  background: #fff;
  border: 1px solid rgba(26,20,16,0.06);
  font-weight: 400;
}

.species-pill__swatch {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  border-radius: 2px;
}

/* ---- SWATCH VISUAL ---- */
.product-swatch-visual {
  height: 120px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 16px;
}

.product-swatch-label {
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  position: relative;
  z-index: 2;
}

/* ---- PROFILE GRID (Mouldings) ---- */
.profile-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 14px;
}

.profile-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 12px;
  background: #fff;
  border: 1px solid rgba(26,20,16,0.06);
  font-size: 11px;
  color: var(--tc-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.profile-shape {
  width: 60px;
  height: 30px;
}

.profile-casing {
  background: var(--tc-dark);
  clip-path: polygon(0 100%, 0 20%, 15% 0, 100% 0, 100% 100%);
}
.profile-base {
  background: var(--tc-dark);
  clip-path: polygon(0 100%, 0 30%, 20% 0, 100% 0, 100% 60%, 80% 100%);
}
.profile-crown {
  background: var(--tc-dark);
  clip-path: polygon(0 100%, 0 50%, 30% 0, 70% 0, 100% 50%, 100% 100%);
}
.profile-astragal {
  background: var(--tc-dark);
  border-radius: 0 0 30px 30px;
}

.profile-note {
  font-size: 11px;
  color: var(--tc-muted);
  line-height: 1.6;
  font-style: italic;
}

/* ---- LVL BENEFITS ---- */
.lvl-benefits {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.lvl-benefits li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--tc-dark);
  line-height: 1.5;
}

.lvl-benefit-dot {
  width: 6px;
  height: 6px;
  background: var(--tc-gold);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 5px;
}

/* ---- DIVIDER ---- */
.product-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(26,20,16,0.1) 20%, rgba(26,20,16,0.1) 80%, transparent);
}

/* ---- EXPORT BAR ---- */
.export-bar {
  background: var(--tc-dark);
  padding: 32px 0;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.export-bar__inner {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
}

.export-bar__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0 32px;
  border-right: 1px solid rgba(255,255,255,0.08);
}
.export-bar__item:first-child { padding-left: 0; }

.export-bar__label {
  font-size: 9px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
}
.export-bar__value {
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
}

.export-bar__divider {
  width: 1px;
  height: 36px;
  background: rgba(255,255,255,0.08);
}

.export-bar__cta {
  margin-left: auto;
  background: var(--tc-gold);
  color: var(--tc-dark);
  padding: 12px 24px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  transition: background var(--transition);
  flex-shrink: 0;
}
.export-bar__cta:hover { background: var(--tc-gold-lt); }

/* ---- PRODUCTS CTA ---- */
.products-cta {
  background: var(--tc-gold);
  padding: 72px 0;
}

.products-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
}

.products-cta__title {
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 52px);
  line-height: 0.95;
  color: var(--tc-dark);
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.products-cta__sub {
  font-size: 14px;
  color: rgba(26,20,16,0.6);
  line-height: 1.7;
  max-width: 480px;
  font-weight: 300;
}

.products-cta__actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
  flex-shrink: 0;
}

.btn-outline-dark {
  background: transparent;
  color: var(--tc-dark);
  border: 1.5px solid rgba(26,20,16,0.3);
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-outline-dark:hover {
  border-color: var(--tc-dark);
  background: rgba(26,20,16,0.06);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .product-detail__body {
    grid-template-columns: 1fr;
  }
  .product-detail__side {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .page-header__meta { display: none; }
}

@media (max-width: 768px) {
  .product-detail__header {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .product-detail__num { display: none; }
  .product-detail__cta-block { flex-direction: row; align-items: center; }
  .spec-row { grid-template-columns: 140px 1fr; }
  .product-detail__side { grid-template-columns: 1fr; }
  .export-bar__inner { gap: 16px; }
  .export-bar__item { padding: 0 20px; }
  .export-bar__cta { width: 100%; text-align: center; margin-left: 0; margin-top: 16px; }
  .products-cta__inner { flex-direction: column; }
  .filter-bar__search { display: none; }
}

@media (max-width: 480px) {
  .spec-row { grid-template-columns: 1fr; }
  .spec-key { border-right: none; border-bottom: 1px solid rgba(26,20,16,0.06); }
}