/* BM Surplus - Refined Commercial Building Materials Theme */
:root {
  --primary-navy: #002750;
  --navy-dark: #001933;
  --navy-light: #0a3d75;
  --accent-gold: #fcb849;
  --gold-hover: #e5a335;
  --bg-white: #ffffff;
  --bg-light: #f8fafc;
  --bg-subtle: #f1f5f9;
  --text-dark: #0f172a;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --border-strong: #cbd5e1;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 14px rgba(0,39,80,0.06);
  --shadow-lg: 0 12px 30px rgba(0,39,80,0.10);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --font-heading: 'Archivo', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

html {
  box-sizing: border-box;
  overflow-x: clip;
  width: 100%;
  max-width: 100%;
}

*, *::before, *::after {
  box-sizing: inherit;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-white);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
  width: 100%;
  max-width: 100%;
  position: relative;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--primary-navy);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--accent-gold);
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

/* 1. TOP UTILITY BAR (ROW 1) */
.top-bar {
  background-color: var(--bg-light);
  border-bottom: 1px solid var(--border-color);
  font-size: 12px;
  color: var(--text-muted);
  height: 36px;
  display: flex;
  align-items: center;
}

.top-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.top-bar-left {
  display: flex;
  align-items: center;
  gap: 24px;
}

.top-bar-item {
  display: flex;
  align-items: center;
  gap: 7px;
  color: #475569;
}

.top-bar-item svg {
  width: 14px;
  height: 14px;
  stroke: var(--primary-navy);
  flex-shrink: 0;
}

.top-bar-item a {
  color: var(--text-dark);
  font-weight: 600;
  transition: color 0.15s ease;
}

.top-bar-item a:hover {
  color: var(--primary-navy);
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* 2. MAIN HEADER (ROW 2) */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-white);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  height: 72px;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  min-width: 190px;
}

.logo-wrapper a {
  display: inline-flex;
  align-items: center;
}

.logo-img {
  height: 38px !important;
  max-height: 38px !important;
  width: auto !important;
  object-fit: contain !important;
  display: block;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex: 1;
  margin: 0 24px;
}

.nav-link {
  font-weight: 600;
  font-size: 14px;
  color: var(--text-dark);
  letter-spacing: 0.01em;
  padding: 6px 0;
  position: relative;
  transition: color 0.15s ease;
  white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary-navy);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--accent-gold);
  border-radius: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-width: 190px;
  gap: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.02em;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--primary-navy);
  color: #ffffff;
  border-color: var(--primary-navy);
}

.btn-primary:hover {
  background-color: var(--navy-dark);
  border-color: var(--navy-dark);
  color: #ffffff;
}

.btn-accent {
  background-color: var(--accent-gold);
  color: var(--navy-dark);
  border-color: var(--accent-gold);
}

.btn-accent:hover {
  background-color: var(--gold-hover);
  border-color: var(--gold-hover);
  color: var(--navy-dark);
}

.btn-outline {
  background-color: transparent;
  color: var(--primary-navy);
  border-color: var(--border-strong);
}

.btn-outline:hover {
  background-color: var(--bg-light);
  border-color: var(--primary-navy);
}

.btn-sm {
  padding: 8px 14px;
  font-size: 12px;
}

/* Mobile Nav Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--primary-navy);
  margin: 5px 0;
  transition: 0.2s;
}

/* Page Hero */
.page-hero {
  background-color: var(--bg-light);
  border-bottom: 1px solid var(--border-color);
  padding: 44px 0 36px;
}

.breadcrumb {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  margin-bottom: 10px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 38px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--primary-navy);
  margin-bottom: 10px;
}

.hero-subtitle {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 820px;
  line-height: 1.6;
}

/* Catalog Layout with Left Sidebar */
.catalog-section {
  padding: 36px 0 80px;
  background-color: var(--bg-white);
}

/* Mobile Filter Bar & Drawer */
.mobile-filter-bar {
  display: none;
}

.catalog-sidebar-overlay {
  display: none;
}

.sidebar-mobile-header {
  display: none;
}



.catalog-layout {
  display: grid;
  grid-template-columns: 270px 1fr;
  gap: 36px;
  align-items: start;
}

/* Left Sidebar Accordion */
.catalog-sidebar {
  position: sticky;
  top: 96px;
  background-color: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
}

.sidebar-title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-navy);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}

.search-input {
  width: 100%;
  padding: 10px 12px;
  font-size: 13px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background-color: #ffffff;
  margin-bottom: 16px;
  outline: none;
  transition: border-color 0.15s;
}

.search-input:focus {
  border-color: var(--primary-navy);
}

/* Accordion Nav Groups */
.category-accordion {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 24px;
}

.accordion-group {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: #ffffff;
  overflow: hidden;
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 11px 14px;
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dark);
  cursor: pointer;
  text-align: left;
  transition: background-color 0.15s;
}

.accordion-header:hover {
  background-color: var(--bg-subtle);
  color: var(--primary-navy);
}

.accordion-header.active {
  background-color: var(--bg-subtle);
  color: var(--primary-navy);
  font-weight: 700;
}

.accordion-arrow {
  font-size: 11px;
  color: var(--text-muted);
  transition: transform 0.2s ease;
}

.accordion-group.open .accordion-arrow {
  transform: rotate(90deg);
}

.accordion-body {
  display: none;
  flex-direction: column;
  background-color: var(--bg-light);
  border-top: 1px solid var(--border-color);
  padding: 6px 0;
}

.accordion-group.open .accordion-body {
  display: flex;
}

.sub-link {
  display: block;
  padding: 7px 14px 7px 24px;
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}

.sub-link:hover {
  color: var(--primary-navy);
  background-color: #ffffff;
}

.sub-link.active {
  color: var(--primary-navy);
  font-weight: 700;
  background-color: #e2e8f0;
  border-left: 3px solid var(--accent-gold);
}

/* Sidebar Info Box */
.sidebar-box {
  background-color: #ffffff;
  border: 1px dashed var(--accent-gold);
  border-radius: var(--radius-sm);
  padding: 14px;
  font-size: 12px;
}

.sidebar-box h4 {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  color: var(--primary-navy);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.sidebar-box ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sidebar-box li {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-dark);
}

.sidebar-box li::before {
  content: '✓';
  color: var(--primary-navy);
  font-weight: bold;
}

/* Catalog Header */
.catalog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.active-category-title {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-navy);
}

.product-count-badge {
  font-size: 12px;
  font-weight: 600;
  color: var(--primary-navy);
  background-color: var(--bg-light);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: 12px;
}

/* Product Cards Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 22px;
}

.product-card {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.product-card:hover {
  transform: translateY(-2px);
  border-color: var(--primary-navy);
  box-shadow: var(--shadow-md);
}

.card-media {
  position: relative;
  width: 100%;
  height: 190px;
  background-color: var(--bg-subtle);
  overflow: hidden;
}


/* Slabs & Full Format Uncropped Display */
.card-media.card-media-slab {
  background-color: #ffffff !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 8px !important;
}
.card-media.card-media-slab img {
  width: 100% !important;
  height: 100% !important;
  object-fit: contain !important;
  background-color: #ffffff !important;
  transition: transform 0.2s ease !important;
}
.product-card:hover .card-media.card-media-slab img {
  transform: scale(1.02) !important;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.25s ease;
}

.product-card:hover 
/* Slabs & Full Format Uncropped Display */
.card-media.card-media-slab {
  background-color: #ffffff !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 8px !important;
}
.card-media.card-media-slab img {
  width: 100% !important;
  height: 100% !important;
  object-fit: contain !important;
  background-color: #ffffff !important;
  transition: transform 0.2s ease !important;
}
.product-card:hover .card-media.card-media-slab img {
  transform: scale(1.02) !important;
}

.card-media img {
  transform: scale(1.02);
}

.card-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background-color: var(--primary-navy);
  color: #ffffff;
}

.card-tag.surplus {
  background-color: #dc2626;
}

.card-tag.sold-out {
  background-color: #475569;
  color: #ffffff;
}

.card-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-category {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.card-title {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--primary-navy);
  margin-bottom: 8px;
}

.card-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 14px;
  line-height: 1.5;
}

.specs-table {
  width: 100%;
  font-size: 12px;
  border-collapse: collapse;
  margin-bottom: 16px;
}

.specs-table tr {
  border-bottom: 1px solid var(--border-color);
}

.specs-table td {
  padding: 5px 0;
}

.specs-table .spec-label {
  color: var(--text-muted);
  font-weight: 600;
  width: 42%;
}

.specs-table .spec-val {
  color: var(--text-dark);
  font-weight: 500;
  text-align: right;
}

.card-footer {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Card Pricing & MOQ (Inside Footer for Bottom Alignment) */
.card-pricing-box {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px 8px;
  margin: 0;
  padding: 0;
  border-top: none;
}

.card-price {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  color: var(--primary-navy);
  letter-spacing: -0.2px;
  line-height: 1.2;
}

.card-moq {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-light);
  padding: 2px 7px;
  border-radius: 3px;
  border: 1px solid var(--border-color);
  white-space: nowrap;
}

.card-volume-note {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 2px;
  line-height: 1.3;
}

.card-leadtime {
  font-size: 11px;
  color: #15803d;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 5px;
}

/* Trade Quote Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(3px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal-content {
  background-color: #ffffff;
  border-radius: var(--radius-md);
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 28px;
  position: relative;
  box-shadow: var(--shadow-lg);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--text-muted);
}

.modal-close:hover {
  color: var(--primary-navy);
}

.modal-title {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 4px;
}

.modal-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.form-group {
  margin-bottom: 14px;
}

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 4px;
}

.form-control {
  width: 100%;
  padding: 9px 12px;
  font-size: 13px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  outline: none;
  background-color: #ffffff;
}

.form-control:focus {
  border-color: var(--primary-navy);
}

textarea.form-control {
  min-height: 75px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

/* Home Category Showcase */
.category-showcase {
  padding: 56px 0;
  background-color: var(--bg-white);
}

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 40px;
}

.section-eyebrow {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-gold);
  margin-bottom: 6px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 700;
  color: var(--primary-navy);
  line-height: 1.2;
  margin-bottom: 10px;
}

.section-lead {
  font-size: 15px;
  color: var(--text-muted);
}

.category-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.cat-card {
  position: relative;
  height: 240px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: flex-end;
  text-decoration: none;
}

.cat-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.25s ease;
}

.cat-card:hover img {
  transform: scale(1.03);
}

.cat-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,39,80,0.15) 0%, rgba(0,25,51,0.85) 100%);
}

.cat-content {
  position: relative;
  z-index: 2;
  padding: 20px;
  color: #ffffff;
}

.cat-title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 4px;
  color: #ffffff;
}

.cat-desc {
  font-size: 12px;
  color: #cbd5e1;
  line-height: 1.4;
}

/* Features */
.features-section {
  padding: 56px 0;
  background-color: var(--bg-light);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.feature-box {
  background-color: #ffffff;
  padding: 28px 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease;
}

.feature-box:hover {
  transform: translateY(-3px);
  border-color: var(--primary-navy);
}

.feature-icon {
  width: 44px;
  height: 44px;
  background-color: var(--bg-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--primary-navy);
}

.feature-title {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 6px;
}

.feature-text {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Footer */
.footer {
  background-color: var(--primary-navy);
  color: #ffffff;
  padding: 56px 0 28px;
  border-top: 3px solid var(--accent-gold);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 36px;
  margin-bottom: 40px;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin-bottom: 14px;
  color: var(--accent-gold);
}

.footer-col p {
  font-size: 13px;
  color: #cbd5e1;
  line-height: 1.6;
  margin-bottom: 14px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  color: #cbd5e1;
  font-size: 13px;
}

.footer-links a:hover {
  color: var(--accent-gold);
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: #cbd5e1;
  margin-bottom: 8px;
}

.footer-contact-item a {
  color: #ffffff;
  font-weight: 600;
}

.footer-bottom {
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: #94a3b8;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom a {
  color: #94a3b8;
  text-decoration: none;
  transition: color 0.15s ease;
}
.footer-bottom a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 44px;
  align-items: start;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
  align-items: start;
}

.about-pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 48px;
}

.detail-specs-table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* Responsive */
@media (max-width: 992px) {
  .catalog-layout {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  /* Mobile Sticky Filter Bar */
  .mobile-filter-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    position: sticky;
    top: 64px;
    z-index: 90;
    background-color: var(--bg-white);
    padding: 10px 0;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
  }

  .mobile-filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--primary-navy);
    color: #ffffff;
    font-size: 13px;
    font-weight: 600;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--primary-navy);
    cursor: pointer;
    flex-shrink: 0;
    white-space: nowrap;
    transition: background 0.15s ease;
  }

  .mobile-filter-btn:hover {
    background-color: var(--navy-light);
  }

  .mobile-filter-badge {
    background-color: var(--accent-gold);
    color: var(--primary-navy);
    font-size: 11px;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 10px;
    max-width: 90px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .mobile-search-box {
    flex: 1;
    min-width: 0;
  }

  .mobile-search-input {
    width: 100%;
    padding: 8px 12px;
    font-size: 13px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background-color: var(--bg-light);
    color: var(--text-dark);
  }

  .mobile-search-input:focus {
    outline: none;
    border-color: var(--primary-navy);
    background-color: #ffffff;
  }

  /* Offcanvas Overlay */
  .catalog-sidebar-overlay {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(2px);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
  }

  .catalog-sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
  }

  /* Offcanvas Sidebar */
  .catalog-sidebar {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    bottom: 0 !important;
    width: 320px;
    max-width: 85vw;
    height: 100% !important;
    height: 100dvh !important;
    max-height: 100dvh !important;
    z-index: 1001 !important;
    background: #ffffff !important;
    transform: translateX(-100%);
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-y: contain;
    box-shadow: 4px 0 24px rgba(0,0,0,0.18);
    border-radius: 0 !important;
    padding: 20px !important;
    margin-bottom: 0 !important;
  }

  .catalog-sidebar .sidebar-box {
    display: block !important;
    margin-top: 20px;
    margin-bottom: 0;
  }

  .catalog-sidebar.open {
    transform: translateX(0);
  }

  .sidebar-mobile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 12px;
    margin-bottom: 14px;
    border-bottom: 1px solid var(--border-color);
  }

  .sidebar-mobile-title {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-navy);
  }

  .sidebar-close-btn {
    background: none;
    border: none;
    font-size: 26px;
    line-height: 1;
    color: var(--text-dark);
    cursor: pointer;
    padding: 4px 8px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
  .product-single-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .gallery-box {
    position: static;
    top: auto;
  }
}

@media (max-width: 768px) {
  .top-bar {
    display: none;
  }
  .container {
    padding: 0 16px;
  }
  .header {
    height: 64px;
    min-height: 64px;
  }
  .header .container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
  }
  .logo-wrapper {
    min-width: 0;
    padding-right: 8px;
    display: flex;
    align-items: center;
    flex: 1 1 auto;
  }
  .logo-img {
    height: 32px !important;
    max-height: 32px !important;
    width: auto !important;
    display: block;
  }
  .nav {
    display: none;
  }
  .header-actions {
    min-width: 0;
    gap: 8px;
    display: flex;
    align-items: center;
    flex: 0 0 auto;
  }
  .cart-toggle-btn, #header-cart-btn {
    padding: 6px 12px;
    font-size: 12px;
    gap: 6px;
    display: inline-flex;
    align-items: center;
  }
  .menu-toggle {
    display: block;
  }
  .footer {
    padding: 40px 0 24px;
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    margin-bottom: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 10px;
    align-items: center;
    padding-top: 16px;
  }
  .footer-contact-item {
    word-break: break-word;
  }
  .hero-title {
    font-size: 28px;
  }
  .form-row, .cart-drawer .form-row {
    grid-template-columns: 1fr !important;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  #single-add-cart-btn, #single-sold-out-notify {
    min-width: 0 !important;
    width: 100% !important;
    height: 46px !important;
  }
  .quote-ctrls-row {
    flex-direction: column;
    align-items: stretch;
  }
  .qty-input-group {
    width: 100%;
    justify-content: space-between;
  }
  .detail-specs-table td {
    word-break: break-word;
  }
  .thickness-btn-group {
    display: flex;
    gap: 8px;
    width: 100%;
  }
  .thickness-btn-group button {
    flex: 1 1 0 !important;
    min-width: 0 !important;
    padding: 6px 4px !important;
  }
  .quote-action-card input,
  .cart-drawer input,
  .cart-drawer textarea,
  .cart-drawer select {
    font-size: 16px !important;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 12px;
  }
  .header {
    height: 60px;
    min-height: 60px;
  }
  .header .container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 12px;
  }
  .logo-img {
    height: 28px !important;
    max-height: 28px !important;
    width: auto !important;
    display: block;
  }
  .cart-toggle-btn, #header-cart-btn {
    padding: 6px 8px;
    font-size: 11px;
    gap: 4px;
  }
  .mobile-filter-bar {
    top: 60px;
    padding: 8px 0;
    gap: 8px;
  }
  .mobile-filter-btn {
    padding: 7px 10px;
    font-size: 12px;
    gap: 6px;
  }
  .mobile-filter-badge {
    max-width: 70px;
  }
  .products-grid {
    grid-template-columns: 1fr !important;
    gap: 16px;
  }
  .articles-grid, #articles-list {
    grid-template-columns: 1fr !important;
    gap: 18px;
  }
  .about-pillars-grid {
    grid-template-columns: 1fr !important;
    gap: 16px;
  }
  .hero-title {
    font-size: 24px;
    line-height: 1.25;
  }
  .hero-subtitle {
    font-size: 14px;
  }
  .footer-col h4 {
    margin-bottom: 8px;
  }
  .footer-col p {
    font-size: 12px;
  }
  .footer-links a, .footer-contact-item {
    font-size: 12px;
  }
  .footer-bottom {
    font-size: 11px;
    gap: 8px;
  }
}

/* ========================================================
   QUOTE CART DRAWER & BADGE STYLES
   ======================================================== */
.cart-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--primary-navy);
  color: #ffffff;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  border: 1px solid var(--primary-navy);
  cursor: pointer;
  transition: all 0.15s ease;
}

.cart-toggle-btn:hover {
  background-color: var(--navy-light);
  color: #ffffff;
}

.top-bar-cart {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary-navy);
  font-weight: 600;
  cursor: pointer;
  padding: 2px 8px;
  border-radius: 4px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  transition: all 0.15s ease;
}

.top-bar-cart:hover {
  border-color: var(--accent-gold);
  color: var(--primary-navy);
}

.cart-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  background-color: var(--accent-gold);
  color: var(--navy-dark);
  border-radius: 10px;
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
}

/* Slide-over Quote Drawer */
.cart-drawer-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(2px);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.cart-drawer-overlay.open {
  opacity: 1;
  visibility: visible;
}

.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 480px;
  background-color: #ffffff;
  box-shadow: -6px 0 24px rgba(0,0,0,0.15);
  z-index: 1001;
  transform: translateX(100%);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.cart-drawer.open {
  transform: translateX(0);
}

.cart-drawer-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-light);
}

.cart-drawer-title {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-navy);
  display: flex;
  align-items: center;
  gap: 10px;
}

.cart-drawer-close {
  background: none;
  border: none;
  font-size: 26px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

.cart-drawer-close:hover {
  color: var(--text-dark);
}

.cart-drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
}

.cart-items-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.cart-item {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 14px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
  align-items: center;
}

.cart-item-img {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-sm);
  object-fit: contain;
  background-color: #ffffff;
  padding: 4px;
  border: 1px solid var(--border-color);
  flex-shrink: 0;
  cursor: zoom-in;
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.cart-item-img:hover {
  border-color: var(--primary-navy);
  transform: scale(1.04);
}

.cart-item-info {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.cart-item-cat {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.5px;
}

.cart-item-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-navy);
  line-height: 1.3;
}

.cart-item-sku {
  font-size: 11px;
  color: var(--text-muted);
  font-family: monospace;
}

.cart-item-pricing {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
  font-size: 12px;
}

.cart-item-unit-rate {
  color: var(--text-muted);
  font-weight: 500;
}

.cart-item-line-total {
  color: var(--primary-navy);
  font-weight: 600;
  background-color: #f1f5f9;
  padding: 1px 6px;
  border-radius: 3px;
  border: 1px solid #e2e8f0;
}

.cart-item-ctrls {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

.cart-item-remove {
  background: none;
  border: none;
  color: #94a3b8;
  cursor: pointer;
  font-size: 16px;
  padding: 2px 4px;
  line-height: 1;
  transition: color 0.15s ease;
}

.cart-item-remove:hover {
  color: #dc2626;
}

.cart-qty-box {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: #ffffff;
  overflow: hidden;
}

.cart-qty-btn {
  background: none;
  border: none;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-dark);
  font-weight: 600;
  transition: background-color 0.1s ease;
}

.cart-qty-btn:hover {
  background-color: var(--bg-subtle);
}

.cart-qty-btn:disabled,
.cart-qty-btn[disabled] {
  opacity: 0.35 !important;
  cursor: not-allowed !important;
  background: none !important;
  pointer-events: none;
}

.cart-qty-val {
  width: 32px;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-navy);
  border: none;
  background: transparent;
}

.cart-empty-state {
  text-align: center;
  padding: 48px 12px;
  color: var(--text-muted);
}

.cart-empty-icon {
  width: 48px;
  height: 48px;
  stroke: #cbd5e1;
  margin: 0 auto 16px;
}

.cart-totals-card {
  margin-top: 16px;
  padding: 14px 16px;
  background-color: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cart-totals-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-dark);
}

.cart-totals-row.cart-totals-main {
  font-size: 15px;
  font-weight: 700;
  color: var(--primary-navy);
  padding-top: 8px;
  border-top: 1px dashed var(--border-color);
}

.cart-totals-val.price {
  font-size: 17px;
  color: #1e3a8a;
  font-weight: 800;
}

.cart-totals-disclaimer {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.4;
  margin-top: 4px;
}

.cart-drawer-form {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 2px solid var(--border-color);
}

.cart-drawer-form h4 {
  font-family: var(--font-heading);
  font-size: 15px;
  color: var(--primary-navy);
  margin-bottom: 12px;
}

.cart-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: var(--primary-navy);
  color: #ffffff;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 12px rgba(0,0,0,0.18);
  font-size: 14px;
  font-weight: 500;
  z-index: 2000;
  display: flex;
  align-items: center;
  gap: 10px;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.25s ease;
  pointer-events: none;
}

.cart-toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* ========================================================
   DEDICATED PRODUCT SINGLE PAGE STYLES
   ======================================================== */
.product-single-section {
  padding: 40px 0 60px;
  background-color: #ffffff;
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.breadcrumb-nav a {
  color: var(--text-muted);
}

.breadcrumb-nav a:hover {
  color: var(--primary-navy);
}

.breadcrumb-sep {
  color: #cbd5e1;
}

.product-single-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 48px;
  align-items: start;
}

/* Gallery Box */
.gallery-box {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: -webkit-sticky;
  position: sticky;
  top: 96px;
  align-self: start;
  z-index: 10;
}

.gallery-main-wrap {
  position: relative;
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16/10;
  min-height: 360px;
  max-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: zoom-in;
  padding: 8px;
}

.gallery-main-img {
  width: 100%;
  height: 100%;
  object-fit: contain !important;
  transition: transform 0.2s ease;
}

.gallery-main-wrap:hover .gallery-main-img {
  transform: scale(1.02);
}

.gallery-zoom-hint {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background: rgba(15, 23, 42, 0.75);
  color: #ffffff;
  font-size: 11px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 4px;
  pointer-events: none;
  display: flex;
  align-items: center;
  gap: 6px;
}

.gallery-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background-color: var(--primary-navy);
  color: #ffffff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
  z-index: 2;
}

.gallery-badge.surplus {
  background-color: #dc2626;
}

.gallery-badge.sold-out {
  background-color: #475569;
  color: #ffffff;
}

.gallery-thumbs {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 6px;
}

.gallery-thumb {
  width: 88px;
  height: 64px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--border-color);
  object-fit: contain;
  cursor: pointer;
  background-color: #ffffff;
  padding: 2px;
  flex-shrink: 0;
  transition: all 0.15s ease;
}

.gallery-thumb:hover {
  border-color: var(--navy-light);
}

.gallery-thumb.active {
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 2px rgba(252, 184, 73, 0.3);
}

/* Product Info Box */
.product-info-box {
  display: flex;
  flex-direction: column;
}

.product-meta-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}

.product-sku-row {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.product-sku-row strong {
  color: var(--primary-navy);
  font-family: monospace;
  letter-spacing: 0.5px;
}

.product-cat-pill {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--navy-light);
  background-color: #e0f2fe;
  padding: 3px 8px;
  border-radius: 4px;
}

.product-sku-tag {
  font-size: 12px;
  color: var(--text-muted);
  font-family: monospace;
}

.product-single-title {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 700;
  color: var(--primary-navy);
  line-height: 1.25;
  margin-bottom: 12px;
}

.product-single-summary {
  font-size: 15px;
  color: #334155;
  line-height: 1.6;
  margin-bottom: 20px;
}

/* Quote Action Box */
.quote-action-card {
  background-color: var(--bg-light);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent-gold);
  border-radius: var(--radius-sm);
  padding: 20px;
  margin-bottom: 24px;
}

.quote-action-heading {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
  letter-spacing: 0.8px;
}

.single-price-box {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 8px;
}

.single-price-val {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 700;
  color: var(--primary-navy);
  letter-spacing: -0.5px;
}

.single-moq-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: #1e40af;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 14px;
}

.volume-discount-callout {
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-bottom: 18px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-dark);
}

.volume-discount-callout strong {
  color: var(--primary-navy);
  display: block;
  margin-bottom: 3px;
  font-size: 12px;
}

.quote-ctrls-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.qty-input-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.qty-input-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}

.lot-avail-tag {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 9px;
  border-radius: 4px;
  line-height: 1.2;
}

.lot-avail-tag.single-lot {
  background-color: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
}

.lot-avail-tag.multi-lot {
  background-color: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.quote-action-card #single-add-cart-btn,
.quote-action-card #single-sold-out-notify {
  flex: 1;
  min-width: 200px;
  height: 46px;
  justify-content: center;
}

.quote-direct-call {
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
}

.quote-direct-call a {
  font-weight: 700;
  color: var(--primary-navy);
}

/* Detail Specs Table */
.spec-heading {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--border-color);
}

.detail-specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
  font-size: 13px;
}

.detail-specs-table tr {
  border-bottom: 1px solid var(--border-color);
}

.detail-specs-table tr:nth-child(even) {
  background-color: #f8fafc;
}

.detail-specs-table td {
  padding: 10px 12px;
}

.detail-specs-table .lbl {
  font-weight: 600;
  color: var(--text-muted);
  width: 35%;
}

.detail-specs-table .val {
  font-weight: 500;
  color: var(--text-dark);
}

/* Feature Checkmarks */
.features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.features-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: #334155;
}

.features-list svg {
  flex-shrink: 0;
  color: #16a34a;
  margin-top: 3px;
}

/* Related Materials */
.related-section {
  padding: 40px 0 60px;
  background-color: var(--bg-light);
  border-top: 1px solid var(--border-color);
}

.related-section h2 {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 20px;
}

/* Lightbox Modal */
.lightbox-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.lightbox-modal.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain !important;
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  color: #ffffff;
  font-size: 32px;
  background: none;
  border: none;
  cursor: pointer;
  line-height: 1;
}


/* ========================================================
   SINGLE PRODUCT DETAIL RESPONSIVE FIXES (MOBILE & TABLET)
   ======================================================== */
@media (max-width: 991px) {
  .product-single-section {
    padding: 20px 0 44px;
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: hidden !important;
  }

  .product-single-grid {
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 24px !important;
    width: 100% !important;
    max-width: 100% !important;
  }

  .product-single-grid > * {
    min-width: 0 !important;
    max-width: 100% !important;
  }

  .gallery-box {
    position: static !important;
    top: auto !important;
    width: 100% !important;
    max-width: 100% !important;
  }

  .gallery-main-wrap {
    width: 100% !important;
    max-width: 100% !important;
    max-height: 400px;
    aspect-ratio: 4/3;
  }

  .product-info-box {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
  }

  .product-single-title {
    font-size: 24px !important;
    line-height: 1.25 !important;
    word-break: break-word !important;
  }

  .quote-action-card {
    padding: 16px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .quote-ctrls-row {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 12px !important;
    width: 100% !important;
  }

  .qty-input-group {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    width: 100% !important;
  }

  .qty-input-group input {
    width: 110px !important;
    padding: 8px 10px !important;
  }

  #single-add-cart-btn,
  #single-sold-out-notify {
    width: 100% !important;
    min-width: 0 !important;
    height: 46px !important;
    min-height: 46px !important;
    max-height: 46px !important;
    flex: none !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
  }

  .thickness-btn-group {
    display: flex !important;
    gap: 8px !important;
    width: 100% !important;
  }

  .thickness-btn-group button,
  .thickness-btn-group .btn {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 2px !important;
    flex: 1 1 0 !important;
    width: 50% !important;
    min-width: 0 !important;
    max-width: 50% !important;
    height: 52px !important;
    min-height: 52px !important;
    max-height: 52px !important;
    padding: 4px 6px !important;
    box-sizing: border-box !important;
  }

  .takeoff-ctrls-row {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 12px !important;
  }

  .takeoff-qty-wrap {
    display: flex !important;
    justify-content: flex-start !important;
    align-items: center !important;
    gap: 10px !important;
    width: 100% !important;
  }

  #single-slab-summary {
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .product-staging-callout {
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .product-staging-callout div {
    flex: 1 !important;
    min-width: 0 !important;
    word-break: break-word !important;
  }

  .detail-specs-table-wrap {
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: auto !important;
  }

  .detail-specs-table {
    width: 100% !important;
    max-width: 100% !important;
    table-layout: fixed !important;
  }

  .detail-specs-table td {
    word-break: break-word !important;
    overflow-wrap: break-word !important;
  }

  .features-list li {
    word-break: break-word !important;
    overflow-wrap: break-word !important;
  }

  .features-list li span {
    flex: 1 !important;
    min-width: 0 !important;
    word-break: break-word !important;
  }
}

@media (max-width: 768px) {
  .product-single-section {
    padding: 14px 0 36px;
  }

  .breadcrumb-nav {
    font-size: 11px !important;
    margin-bottom: 14px !important;
    flex-wrap: wrap !important;
    gap: 4px 6px !important;
  }

  .gallery-main-wrap {
    max-height: 340px;
  }

  .gallery-thumb {
    width: 72px !important;
    height: 52px !important;
    object-fit: contain !important;
    background-color: #ffffff !important;
    padding: 2px !important;
  }

  .product-single-title {
    font-size: 21px !important;
    margin-bottom: 8px !important;
  }

  .single-price-val {
    font-size: 22px !important;
  }

  .detail-specs-table {
    font-size: 12px !important;
  }

  .detail-specs-table td {
    padding: 8px 10px !important;
  }

  .detail-specs-table .lbl {
    width: 38% !important;
  }
  .detail-specs-table .val {
    width: 62% !important;
  }
}


/* ========================================================
   Catalog Pagination (Best Practice Semantic Styling)
   ======================================================== */
.pagination-wrap {
  margin-top: 40px;
  padding: 24px 0 16px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
}
.pagination-info {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}
.pagination-buttons {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
}
.page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 14px;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-body);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: #ffffff;
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}
.page-btn:hover:not(:disabled) {
  border-color: var(--primary-navy);
  color: var(--primary-navy);
  background-color: #f0f7ff;
}
.page-btn.active {
  background-color: var(--primary-navy);
  color: #ffffff;
  border-color: var(--primary-navy);
  cursor: default;
}
.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  background-color: #f8fafc;
  border-color: #e2e8f0;
}
.page-ellipsis {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 40px;
  font-size: 14px;
  color: var(--text-muted);
}
@media (max-width: 640px) {
  .page-btn {
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    font-size: 13px;
  }
}