/* Pretendard Font Import */
@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css');
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* Color Variables & Styling Tokens */
:root {
  --font-sans: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
  --font-en: 'Outfit', sans-serif;
  
  /* Brand Palettes - Light Mode */
  --bg-app: #f4f6fa;
  --bg-card: #ffffff;
  --bg-header: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.65);
  --border-color: rgba(140, 37, 75, 0.08);
  --border-hover: rgba(10, 110, 189, 0.2);
  
  --text-main: #1e293b;
  --text-sub: #475569;
  --text-muted: #94a3b8;
  
  --brand-burgundy: #8c254b;
  --brand-burgundy-light: #ab3360;
  --brand-burgundy-dark: #661633;
  --brand-burgundy-bg: rgba(140, 37, 75, 0.06);
  
  --brand-blue: #0a6ebd;
  --brand-blue-light: #268ad6;
  --brand-blue-bg: rgba(10, 110, 189, 0.06);
  
  --gold: #c5a059;
  --gold-light: #d4b87b;
  
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 25px -5px rgba(140, 37, 75, 0.04), 0 8px 16px -6px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 20px 40px -10px rgba(0, 0, 0, 0.08), 0 0 0 1px rgba(140, 37, 75, 0.02);
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
}

/* Dark Mode Variables Override */
body.dark-mode {
  --bg-app: #0b0d11;
  --bg-card: #13171f;
  --bg-header: #13171f;
  --bg-glass: rgba(19, 23, 31, 0.65);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(38, 138, 214, 0.4);
  
  --text-main: #f1f5f9;
  --text-sub: #cbd5e1;
  --text-muted: #64748b;
  
  --brand-burgundy: #ab3360;
  --brand-burgundy-light: #c24675;
  --brand-burgundy-dark: #8c254b;
  --brand-burgundy-bg: rgba(171, 51, 96, 0.12);
  
  --brand-blue: #268ad6;
  --brand-blue-light: #47a2e7;
  --brand-blue-bg: rgba(38, 138, 214, 0.15);
  
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255, 255, 255, 0.03);
}

/* Reset and Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--text-main);
  line-height: 1.6;
  transition: background-color 0.4s ease, color 0.4s ease;
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
  outline: none;
}

/* Utility Animations */
@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Top Utility Bar (Language Selector) */
.top-utility-bar {
  background-color: var(--bg-header);
  border-bottom: 1px solid var(--border-color);
  padding: 6px 24px;
}

.top-utility-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: flex-end;
}

.lang-selector {
  display: flex;
  gap: 16px;
}

.lang-btn {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-sub);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
  white-space: nowrap;
}

.lang-btn:hover {
  color: var(--brand-burgundy);
}

.flag-icon {
  width: 16px;
  height: 12px;
  object-fit: cover;
  border-radius: 2px;
  border: 1px solid rgba(0,0,0,0.1);
}

/* Header Styling */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: var(--bg-header);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
  box-shadow: 0 2px 10px rgba(0,0,0,0.02);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-group-right {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.5vw, 32px);
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-sub);
  background-color: var(--border-color);
  transition: var(--transition);
  font-size: 16px;
}

.icon-btn:hover {
  background-color: var(--brand-burgundy);
  color: #ffffff;
  transform: translateY(-2px);
}

/* GNB Styles */
.desktop-gnb {
  display: none;
}

@media (min-width: 992px) {
  .desktop-gnb {
    display: block;
  }
}

.gnb-menu {
  display: flex;
  list-style: none;
  gap: clamp(16px, 2.5vw, 36px);
}

.gnb-item {
  position: relative;
  padding: 10px 0;
}

.gnb-item > a {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-sub);
  position: relative;
  display: block;
  padding: 8px 0;
  transition: var(--transition);
  white-space: nowrap;
}

body:not(.dark-mode) .gnb-item > a {
  color: #000000;
}

.gnb-item > a:hover {
  color: var(--brand-burgundy);
}

.gnb-item.active-parent > a {
  color: var(--brand-burgundy);
}

.gnb-item .sub-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 8px 0;
  min-width: 170px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 200;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.gnb-item:hover .sub-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.sub-menu li {
  list-style: none;
}

.sub-menu li a {
  display: block;
  padding: 10px 20px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-sub);
  text-align: center;
  transition: var(--transition);
  white-space: nowrap;
}

.sub-menu li a:hover {
  background-color: var(--brand-burgundy-bg);
  color: var(--brand-burgundy);
}

.sub-menu li.active-item a {
  color: var(--brand-burgundy);
  background-color: var(--brand-burgundy-bg);
  font-weight: 700;
}

/* Theme Toggle Button without background circle */
.utility-theme-btn {
  font-size: 18px;
  color: var(--text-main);
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

body:not(.dark-mode) .utility-theme-btn {
  color: #000000;
}

.utility-theme-btn:hover {
  color: var(--brand-burgundy);
  transform: scale(1.1);
}

/* Mobile responsive hamburger toggle */
.mobile-only {
  display: flex;
}

@media (min-width: 992px) {
  .mobile-only {
    display: none;
  }
}

/* Mobile Drawer Styles */
.mobile-drawer-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  visibility: hidden;
  pointer-events: none;
  transition: visibility 0.4s ease;
}

.mobile-drawer-wrapper.active {
  visibility: visible;
  pointer-events: auto;
}

.drawer-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(11, 13, 17, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.mobile-drawer-wrapper.active .drawer-backdrop {
  opacity: 1;
}

.drawer-content {
  position: absolute;
  top: 0;
  right: -300px;
  width: 280px;
  height: 100%;
  background-color: var(--bg-card);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
  transition: right 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  z-index: 2;
  border-left: 1px solid var(--border-color);
}

.mobile-drawer-wrapper.active .drawer-content {
  right: 0;
}

.drawer-header {
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
}

.drawer-body {
  flex-grow: 1;
  overflow-y: auto;
  padding: 20px 0;
}

.mobile-menu-list {
  list-style: none;
}

.mobile-menu-item, .mobile-menu-item-single {
  border-bottom: 1px solid rgba(0,0,0,0.02);
}

.mobile-menu-item-single a {
  display: block;
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  transition: var(--transition);
}

.mobile-menu-item-single a:hover {
  color: var(--brand-burgundy);
  background-color: var(--brand-burgundy-bg);
}

.menu-trigger {
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
  transition: var(--transition);
}

.menu-trigger i {
  font-size: 12px;
  color: var(--text-muted);
  transition: transform 0.3s ease;
}

.mobile-menu-item.open .menu-trigger i {
  transform: rotate(180deg);
  color: var(--brand-burgundy);
}

.mobile-menu-item.open .menu-trigger {
  color: var(--brand-burgundy);
}

.mobile-sub-menu {
  list-style: none;
  background-color: var(--bg-app);
  padding: 8px 0;
  display: none;
}

.mobile-sub-menu li a {
  display: block;
  padding: 10px 40px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-sub);
  transition: var(--transition);
}

.mobile-sub-menu li a:hover {
  color: var(--brand-burgundy);
  background-color: var(--brand-burgundy-bg);
}

.mobile-sub-menu li.active-item a {
  color: var(--brand-burgundy);
  background-color: var(--brand-burgundy-bg);
  font-weight: 700;
}

/* Hero Section */
.hero-section {
  padding: 160px 24px 60px;
  background: radial-gradient(circle at 80% 20%, rgba(140, 37, 75, 0.08) 0%, transparent 50%),
              radial-gradient(circle at 10% 80%, rgba(10, 110, 189, 0.05) 0%, transparent 50%);
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 30px;
  background-color: var(--brand-burgundy-bg);
  color: var(--brand-burgundy);
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 1px;
  margin-bottom: 20px;
  border: 1px solid var(--border-color);
}

.hero-section h1 {
  font-size: clamp(32px, 5vw, 42px);
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.hero-section p {
  font-size: clamp(15px, 2vw, 17px);
  color: var(--text-sub);
  margin-bottom: 35px;
  font-weight: 400;
}

/* Premium Search Bar */
.search-container {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
  background-color: var(--bg-card);
  border-radius: 50px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  padding: 6px 18px 6px 24px;
  transition: var(--transition);
}

.search-container:focus-within {
  transform: scale(1.02);
  box-shadow: 0 15px 30px -10px rgba(140, 37, 75, 0.15);
  border-color: var(--brand-burgundy);
}

.search-icon {
  font-size: 18px;
  color: var(--brand-burgundy);
  margin-right: 14px;
}

#search-input {
  width: 100%;
  border: none;
  background: transparent;
  padding: 12px 0;
  font-size: 16px;
  color: var(--text-main);
  outline: none;
  font-weight: 500;
}

#search-input::placeholder {
  color: var(--text-muted);
}

.clear-btn {
  color: var(--text-muted);
  font-size: 18px;
  padding: 8px;
  margin-left: 8px;
  border-radius: 50%;
}

.clear-btn:hover {
  color: var(--brand-burgundy);
  background-color: var(--brand-burgundy-bg);
}

/* Main Content Area */
.main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 100px;
}

/* Filtering Layout */
.filter-wrapper {
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 30px;
  border: 1px solid var(--border-color);
}

.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 14px;
  margin-bottom: 14px;
}

.category-tab {
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-sub);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.category-tab i {
  font-size: 14px;
  transition: var(--transition);
}

.category-tab:hover {
  background-color: var(--brand-burgundy-bg);
  color: var(--brand-burgundy);
}

.category-tab.active {
  background-color: var(--brand-burgundy);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(140, 37, 75, 0.2);
}

.filter-info {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 0 8px;
}

@media (min-width: 768px) {
  .filter-info {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.count-badge {
  font-size: 14px;
  color: var(--text-sub);
}

.count-badge strong {
  color: var(--brand-burgundy);
  font-weight: 700;
}

.tag-filters-container {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag-filter-btn {
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--border-color);
  background-color: var(--bg-app);
  color: var(--text-sub);
  transition: var(--transition);
}

.tag-filter-btn:hover {
  border-color: var(--brand-burgundy);
  color: var(--brand-burgundy);
}

.tag-filter-btn.active {
  background-color: var(--brand-burgundy-bg);
  border-color: var(--brand-burgundy);
  color: var(--brand-burgundy);
  font-weight: 600;
}

/* Grid Cards Layout */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
  min-height: 300px;
}

.loading-state, .empty-state {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 80px 24px;
  color: var(--text-sub);
  font-size: 16px;
  text-align: center;
}

.loading-state i {
  font-size: 32px;
  color: var(--brand-burgundy);
}

.empty-state i {
  font-size: 40px;
  color: var(--text-muted);
}

/* Card Styling */
.cert-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  animation: fadeInUp 0.4s ease forwards;
}

.cert-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-hover);
}

.card-image-area {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background-color: #f8fafc;
  overflow: hidden;
  border-bottom: 1px solid var(--border-color);
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.cert-card:hover .card-img {
  transform: scale(1.05);
}

.card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(140, 37, 75, 0.4);
  backdrop-filter: blur(2px);
  opacity: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 2;
}

.cert-card:hover .card-overlay {
  opacity: 1;
}

.view-btn {
  padding: 10px 20px;
  border-radius: 40px;
  background-color: #ffffff;
  color: var(--brand-burgundy-dark);
  font-weight: 700;
  font-size: 14px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  transform: scale(0.9);
  transition: var(--transition);
}

.cert-card:hover .view-btn {
  transform: scale(1);
}

.view-btn:hover {
  background-color: var(--brand-burgundy);
  color: #ffffff;
}

/* Category Badges on Cards */
.card-category-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  color: #ffffff;
  background-color: var(--primary);
  z-index: 5;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.card-category-badge.flooring { background-color: var(--brand-blue) !important; }
.card-category-badge.wallboard { background-color: #e28743 !important; }
.card-category-badge.company { background-color: var(--brand-burgundy) !important; }
.card-category-badge.patent { background-color: var(--gold) !important; }
.card-category-badge.badge-default { background-color: var(--brand-burgundy) !important; }

/* Card Content Info */
.card-info {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 8px;
}

.card-tag {
  font-size: 11px;
  font-weight: 600;
  color: var(--brand-burgundy);
  background-color: var(--brand-burgundy-bg);
  padding: 2px 8px;
  border-radius: 4px;
}

.card-info h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  height: 44px;
}

.card-issuer {
  font-size: 13px;
  color: var(--text-sub);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: var(--transition);
}

.card-issuer:hover {
  color: var(--brand-blue);
}

.card-issuer:hover span {
  text-decoration: underline;
}

.card-issuer i {
  color: var(--text-muted);
  transition: var(--transition);
}

.card-issuer:hover i {
  color: var(--brand-blue);
}

.card-actions {
  margin-top: auto;
  border-top: 1px solid var(--border-color);
  padding-top: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-date {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}

.inquiry-link {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-burgundy);
  background-color: var(--brand-burgundy-bg);
  transition: var(--transition);
  font-size: 14px;
}

.inquiry-link:hover {
  background-color: var(--brand-burgundy);
  color: #ffffff;
  transform: translateY(-2px);
}

/* Bottom B2B Banner styling */
.b2b-banner {
  margin-top: 60px;
  background: linear-gradient(135deg, var(--brand-burgundy-dark) 0%, #3a0d1e 100%);
  border-radius: var(--radius-md);
  padding: 40px;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  gap: 24px;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

@media (min-width: 768px) {
  .b2b-banner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 48px;
  }
}

.b2b-content {
  max-width: 600px;
}

.b2b-banner h3 {
  font-size: clamp(20px, 3vw, 24px);
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.b2b-banner p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 15px;
  font-weight: 400;
}

.b2b-btn {
  padding: 16px 28px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--gold) 0%, #a67c37 100%);
  color: #ffffff;
  font-weight: 700;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 4px 15px rgba(197, 160, 89, 0.3);
  transition: var(--transition);
  flex-shrink: 0;
}

.b2b-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(197, 160, 89, 0.5);
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 100%);
}

.b2b-btn i {
  font-size: 14px;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.2); opacity: 0.8; }
  100% { transform: scale(1); opacity: 1; }
}

/* Footer Styling */
.app-footer {
  border-top: 1px solid var(--border-color);
  padding: 30px 24px;
  color: var(--text-muted);
  font-size: 14px;
  text-align: center;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 10px;
}

.footer-links a:hover {
  color: var(--brand-burgundy);
}

.divider {
  color: var(--border-color);
}

/* Modal Core Setup */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(11, 13, 17, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* Document Details Modal */
.modal-content {
  position: relative;
  background-color: var(--bg-card);
  width: 92%;
  max-width: 1000px;
  height: 88vh;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  transform: scale(0.95) translateY(10px);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 10;
}

.modal.active .modal-content {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--bg-card);
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  z-index: 100;
  transition: var(--transition);
}

.modal-close:hover {
  background-color: var(--brand-burgundy);
  color: #ffffff;
  transform: rotate(90deg);
}

.modal-body-split {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
}

@media (min-width: 900px) {
  .modal-body-split {
    flex-direction: row;
  }
}

/* Left Pane: Image Document Viewer */
.viewer-pane {
  position: relative;
  flex: 1.2;
  background-color: #0b0d11;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 50%;
  min-height: 250px;
  overflow: hidden;
}

@media (min-width: 900px) {
  .viewer-pane {
    height: 100%;
  }
}

.viewer-display {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  overflow: auto;
  cursor: grab;
}

.viewer-display:active {
  cursor: grabbing;
}

.zoomable-image {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  border-radius: 4px;
  transform-origin: center center;
  transition: transform 0.2s ease;
}

.viewer-controls {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background-color: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 30px;
  padding: 6px 12px;
  display: flex;
  gap: 12px;
  z-index: 5;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.viewer-controls button {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: var(--transition);
}

.viewer-controls button:hover {
  background-color: var(--brand-burgundy);
  transform: scale(1.1);
}

/* Right Pane: Metadata details */
.details-pane {
  flex: 0.9;
  padding: 40px 30px;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  background-color: var(--bg-card);
  height: 50%;
}

@media (min-width: 900px) {
  .details-pane {
    height: 100%;
    border-left: 1px solid var(--border-color);
  }
}

.detail-header {
  margin-bottom: 24px;
}

.detail-category-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  color: #ffffff;
  background-color: var(--primary);
  margin-bottom: 12px;
}

.detail-category-badge.flooring { background-color: var(--brand-blue) !important; }
.detail-category-badge.wallboard { background-color: #e28743 !important; }
.detail-category-badge.company { background-color: var(--brand-burgundy) !important; }
.detail-category-badge.patent { background-color: var(--gold) !important; }
.detail-category-badge.badge-default { background-color: var(--brand-burgundy) !important; }

.detail-header h2 {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.3;
  margin-bottom: 12px;
}

.detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.detail-tags .card-tag {
  font-size: 12px;
  padding: 3px 10px;
}

.detail-body {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 30px;
  flex-grow: 1;
}

.info-block {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.info-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.info-value {
  font-size: 16px;
  color: var(--text-main);
  font-weight: 600;
}

.summary-block {
  background-color: var(--bg-app);
  padding: 18px;
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--brand-burgundy);
}

.info-value-desc {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.6;
  font-weight: 500;
}

.notice-block {
  display: flex;
  gap: 10px;
  font-size: 13px;
  color: var(--text-sub);
  background-color: var(--brand-blue-bg);
  padding: 14px;
  border-radius: var(--radius-sm);
  border: 1px dashed rgba(10, 110, 189, 0.2);
}

.notice-block i {
  color: var(--brand-blue);
  font-size: 16px;
  margin-top: 2px;
}

/* Detail Modal buttons */
.detail-footer {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: auto;
}

@media (min-width: 480px) {
  .detail-footer {
    flex-direction: row;
  }
}

.request-primary-btn {
  flex: 1.2;
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  background-color: var(--brand-burgundy);
  color: #ffffff;
  font-weight: 700;
  text-align: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 0 4px 10px rgba(140, 37, 75, 0.2);
  transition: var(--transition);
}

.request-primary-btn:hover {
  background-color: var(--brand-burgundy-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(140, 37, 75, 0.3);
}

.cta-secondary-btn {
  flex: 0.8;
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-app);
  color: var(--text-sub);
  font-weight: 600;
  text-align: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.cta-secondary-btn:hover {
  background-color: var(--border-color);
  color: var(--text-main);
  border-color: var(--text-muted);
}

/* Pluuug Consultation Modal Layout */
.b2b-modal-content {
  position: relative;
  background-color: var(--bg-card);
  width: 90%;
  max-width: 550px;
  height: 80vh;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  z-index: 10;
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal.active .b2b-modal-content {
  transform: scale(1);
}

.b2b-iframe-container {
  width: 100%;
  height: 100%;
}

.b2b-iframe-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Security Blur & Lock Overlay */
.blurred-preview {
  filter: blur(5px);
  user-select: none;
  pointer-events: none;
  transition: filter 0.3s ease;
}

.preview-lock-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  pointer-events: none;
  padding: 24px;
}

.lock-card {
  background: rgba(19, 23, 31, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  max-width: 320px;
  text-align: center;
  color: #ffffff;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  pointer-events: auto;
  animation: fadeInUp 0.4s ease forwards;
}

.lock-card i {
  font-size: 32px;
  color: var(--gold);
  margin-bottom: 14px;
  text-shadow: 0 0 10px rgba(197, 160, 89, 0.3);
}

.lock-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
  color: var(--gold-light);
}

.lock-card p {
  font-size: 13px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 14px;
  font-weight: 400;
}

.lock-hint {
  display: block;
  font-size: 11px;
  line-height: 1.4;
  color: var(--brand-blue-light);
  font-weight: 600;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 10px;
}

.text-highlight {
  color: var(--brand-burgundy) !important;
  font-weight: 700 !important;
}

.card-product-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  transition: var(--transition);
}

.card-product-label:hover {
  color: var(--brand-burgundy);
  text-decoration: underline;
}

.card-product-label::before {
  content: "•";
  color: var(--brand-burgundy);
  font-weight: 900;
}

/* Mobile Responsive Utility Bar Hide */
@media (max-width: 767px) {
  .top-utility-bar {
    display: none;
  }
  .hero-section {
    padding: 100px 20px 40px !important;
  }
}