/* ==========================================================================
   Jinjiang Rong An Hygienic Products Co., Ltd. - ronganhygiene.com
   Modern B2B Medical & Hygiene Portal Stylesheet
   Version: 2026.09 (Pure English Edition, Standardized Layouts & Modern UI)
   ========================================================================== */

:root {
  --primary: #0F4C81;          /* Classic Medical Deep Blue */
  --primary-dark: #0A365C;     /* Deep Navy Shadow */
  --primary-light: #E0EDF8;    /* Soft Tint */
  --accent: #10B981;           /* Clean Clinical Emerald / Mint */
  --accent-dark: #059669;
  --accent-light: #D1FAE5;
  --text-main: #0F172A;        /* Slate 900 */
  --text-muted: #475569;       /* Slate 600 */
  --text-light: #94A3B8;       /* Slate 400 */
  --bg-main: #FFFFFF;
  --bg-alt: #F8FAFC;          /* Clean Medical Off-White */
  --bg-card: #FFFFFF;
  --border-light: #E2E8F0;
  --border-focus: #38BDF8;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.12);
  --shadow-xl: 0 20px 48px rgba(15, 23, 42, 0.16);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  font-family: var(--font-sans);
  color: var(--text-main);
  background-color: var(--bg-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, video {
  max-width: 100%;
  display: block;
}

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

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

/* ==========================================================================
   Utility Bar & Header Navigation
   ========================================================================== */
.top-utility-bar {
  background: #0B1E33;
  color: #CBD5E1;
  font-size: 13px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.top-utility-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.top-utility-left, .top-utility-right {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.top-utility-item strong {
  color: #FFFFFF;
}
.top-utility-badge {
  background: rgba(16, 185, 129, 0.2);
  color: #34D399;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid rgba(52, 211, 153, 0.3);
}

header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}
.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}
.logo img {
  height: 48px;
  width: auto;
}

.main-nav {
  display: flex;
  align-items: center;
}
.nav-links {
  display: flex;
  list-style: none;
  gap: 28px;
  align-items: center;
}
.nav-item {
  position: relative;
}
.nav-link {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link:hover, .nav-link.active {
  color: var(--primary);
}
.dropdown-arrow {
  font-size: 10px;
  color: var(--text-light);
  transition: transform 0.2s ease;
}
.nav-item-dropdown:hover .dropdown-arrow {
  transform: rotate(180deg);
}

/* Mega Dropdown */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: var(--transition);
  padding: 24px;
  z-index: 1010;
}
.nav-item-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-mega {
  width: 640px;
}
.dropdown-mega-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.mega-col-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--primary-light);
}
.mega-list {
  list-style: none;
}
.mega-link {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  padding: 6px 0;
}
.mega-link:hover {
  color: var(--primary);
  padding-left: 4px;
}
.mega-column-highlight {
  background: var(--bg-alt);
  padding: 14px;
  border-radius: var(--radius-md);
}
.mega-desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

.dropdown-simple {
  width: 260px;
  padding: 12px;
}
.simple-dropdown-list {
  list-style: none;
}
.simple-dropdown-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
}
.simple-dropdown-list a:hover {
  background: var(--primary-light);
  color: var(--primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-light);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 20px;
  cursor: pointer;
}

/* ==========================================================================
   Buttons & Badges
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-sm {
  font-size: 13px;
  padding: 8px 14px;
}
.btn-md {
  font-size: 15px;
  padding: 12px 22px;
}
.btn-lg {
  font-size: 16px;
  padding: 15px 30px;
}
.btn-block {
  width: 100%;
}
.btn-primary {
  background: var(--primary);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(15, 76, 129, 0.35);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(15, 76, 129, 0.45);
}
.btn-secondary {
  background: #FFFFFF;
  color: var(--text-main);
  border-color: var(--border-light);
}
.btn-secondary:hover {
  background: var(--bg-alt);
  border-color: var(--text-muted);
}
.btn-secondary-glass {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.35);
}
.btn-secondary-glass:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: #FFFFFF;
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: #FFFFFF;
}

.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent-dark);
  background: var(--accent-light);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  position: relative;
  min-height: 640px;
  display: flex;
  align-items: center;
  background: #0B192C;
  color: #FFFFFF;
  overflow: hidden;
  padding: 80px 0;
}
.hero-video {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  transform: translate(-50%, -50%);
  object-fit: cover;
  opacity: 0.38;
  filter: brightness(0.9);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11, 25, 44, 0.92) 0%, rgba(15, 76, 129, 0.75) 100%);
}
.hero-container {
  position: relative;
  z-index: 2;
}
.hero-content {
  max-width: 820px;
}
.hero-badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.hero-badge {
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
}
.hero-badge-green {
  background: rgba(16, 185, 129, 0.25);
  border-color: rgba(52, 211, 153, 0.4);
  color: #A7F3D0;
}
.hero h1 {
  font-size: 46px;
  line-height: 1.18;
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.hero h1 .highlight {
  color: #38BDF8;
  background: linear-gradient(120deg, #38BDF8 0%, #34D399 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p {
  font-size: 18px;
  line-height: 1.6;
  color: #E2E8F0;
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #10B981;
  color: #FFFFFF;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 16px;
  border: none;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.4);
  transition: var(--transition);
}
.hero-btn-primary:hover {
  background: #059669;
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(16, 185, 129, 0.5);
}
.hero-btn-secondary {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #FFFFFF;
  padding: 14px 26px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 16px;
  transition: var(--transition);
}
.hero-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: #FFFFFF;
}

.hero-stats-banner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 32px;
}
.hero-stat-card h3 {
  font-size: 26px;
  font-weight: 800;
  color: #38BDF8;
  margin-bottom: 4px;
}
.hero-stat-card p {
  font-size: 13px;
  color: #CBD5E1;
  margin: 0;
}

/* Subpage Hero with Dynamic Banner Support */
.hero-subpage {
  position: relative;
  background-color: #0B192C;
  background-size: cover;
  background-position: center right;
  background-repeat: no-repeat;
  color: #FFFFFF;
  padding: 72px 0;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}
.hero-subpage-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(11, 25, 44, 0.95) 0%, rgba(15, 76, 129, 0.88) 55%, rgba(15, 76, 129, 0.65) 100%);
  backdrop-filter: blur(1.5px);
  z-index: 1;
}
.hero-subpage-container,
.hero-subpage .container {
  position: relative;
  z-index: 2;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 36px;
  align-items: center;
}
.subpage-breadcrumbs {
  font-size: 13px;
  color: #94A3B8;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.subpage-breadcrumbs a {
  color: #E2E8F0;
}
.subpage-breadcrumbs a:hover {
  color: #38BDF8;
}
.subpage-badges {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.badge-subpage {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}
.badge-subpage-blue { background: rgba(56, 189, 248, 0.2); color: #BAE6FD; }
.badge-subpage-green { background: rgba(52, 211, 153, 0.2); color: #A7F3D0; }
.badge-subpage-cyan { background: rgba(6, 182, 212, 0.2); color: #A5F3FC; }
.subpage-title {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 14px;
}
.subpage-subtitle {
  font-size: 16px;
  color: #CBD5E1;
  line-height: 1.6;
  margin-bottom: 24px;
}
.subpage-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ==========================================================================
   Sections & Layout Grids
   ========================================================================== */
.section {
  padding: 72px 0;
}
.section-alt {
  background-color: var(--bg-alt);
}
.section-header {
  margin-bottom: 48px;
}
.section-header h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}
.section-header p {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto;
}
.text-center {
  text-align: center;
}

/* Factory Quad Grid - Uniform 4:3 Aspect Ratio */
.factory-quad-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.factory-quad-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.factory-quad-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}
.fq-img-wrap {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #E2E8F0;
}
.fq-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.factory-quad-card:hover .fq-img-wrap img {
  transform: scale(1.05);
}
.fq-info {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.fq-tag {
  font-size: 11px;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-light);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  display: inline-block;
  align-self: flex-start;
  margin-bottom: 8px;
}
.fq-info h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}
.fq-info p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}

/* Products Showcase Grid - Uniform 4:3 Aspect Ratio */
.products-showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 32px;
}
.product-category-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.product-category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}
.p-card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #F1F5F9;
}
.p-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.product-category-card:hover .p-card-media img {
  transform: scale(1.05);
}
.p-card-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(15, 76, 129, 0.9);
  backdrop-filter: blur(6px);
  color: #FFFFFF;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}
.p-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.p-card-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}
.p-card-body h3 a:hover {
  color: var(--primary);
}
.p-card-tagline {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 16px;
}
.p-card-specs {
  background: var(--bg-alt);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}
.p-spec-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  padding: 4px 0;
  border-bottom: 1px dashed #CBD5E1;
}
.p-spec-row:last-child {
  border-bottom: none;
}
.p-spec-row span {
  color: var(--text-muted);
}
.p-spec-row strong {
  color: var(--primary);
  font-weight: 600;
}
.p-card-actions {
  display: flex;
  gap: 10px;
}
.p-card-actions .btn {
  flex: 1;
}

/* About Grid */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
  align-items: center;
}
.about-image-col {
  position: relative;
}
.about-main-img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.about-badge-floating {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: #FFFFFF;
  padding: 16px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  border-left: 4px solid var(--accent);
}
.ab-num {
  display: block;
  font-size: 28px;
  font-weight: 900;
  color: var(--primary);
}
.ab-txt {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}
.about-key-points {
  margin: 20px 0;
}
.point-item {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 15px;
  color: var(--text-main);
}
.p-check {
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
}

/* Video Showcase */
.video-showcase-container {
  max-width: 960px;
  margin: 0 auto;
}
.video-player-wrapper {
  margin-bottom: 32px;
}
.video-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.v-feature-card {
  background: #FFFFFF;
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}
.v-icon {
  font-size: 28px;
  display: inline-block;
  margin-bottom: 12px;
}
.v-feature-card h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}
.v-feature-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}

/* Workflow Grid */
.workflow-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.workflow-card {
  background: #FFFFFF;
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: var(--transition);
}
.workflow-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}
.wf-step-num {
  font-size: 28px;
  font-weight: 900;
  color: var(--primary-light);
  display: block;
  margin-bottom: 10px;
}
.workflow-card h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}
.workflow-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

/* FAQ Accordion */
.faq-accordion-wrapper {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item[open] {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  cursor: pointer;
  list-style: none;
}
.faq-question::-webkit-details-marker {
  display: none;
}
.faq-toggle-icon {
  font-size: 20px;
  color: var(--primary);
  font-weight: 400;
  transition: transform 0.2s ease;
}
.faq-item[open] .faq-toggle-icon {
  transform: rotate(45deg);
}
.faq-answer {
  padding: 0 24px 20px 24px;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Technical Specification Tables */
.spec-layout-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 36px;
}
.table-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  padding: 28px;
}
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.spec-table td, .spec-table th {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-light);
}
.spec-table tr:last-child td {
  border-bottom: none;
}
.spec-table tr:nth-child(even) {
  background-color: var(--bg-alt);
}
.feature-card-highlight {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: #0B192C;
  color: #94A3B8;
  padding: 72px 0 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 56px;
}
.footer-brand img {
  height: 42px;
  margin-bottom: 16px;
}
.footer-desc {
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 20px;
  color: #CBD5E1;
}
.footer-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.f-badge {
  background: rgba(255, 255, 255, 0.08);
  font-size: 11px;
  color: #E2E8F0;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}
.footer-heading {
  font-size: 16px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 20px;
}
.footer-links {
  list-style: none;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  font-size: 14px;
  color: #94A3B8;
}
.footer-links a:hover {
  color: #38BDF8;
  padding-left: 4px;
}
.footer-contact-list {
  list-style: none;
  font-size: 14px;
}
.footer-contact-list li {
  margin-bottom: 10px;
  color: #CBD5E1;
}
.footer-contact-list a {
  color: #38BDF8;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 13px;
}
.footer-legal-links a {
  color: #94A3B8;
  margin: 0 6px;
}
.footer-legal-links a:hover {
  color: #FFFFFF;
}

/* ==========================================================================
   Interactive Floating AI Customer Service Chatbot Widget (Every Page)
   ========================================================================== */
.floating-ai-widget {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  font-family: var(--font-sans);
}

/* Launcher Pill Button */
.ai-launcher-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, #0F4C81 0%, #1E3A8A 100%);
  color: #FFFFFF;
  padding: 12px 20px;
  border-radius: 999px;
  box-shadow: 0 10px 28px rgba(15, 76, 129, 0.45);
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: var(--transition);
  outline: none;
}
.ai-launcher-btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 14px 36px rgba(15, 76, 129, 0.55);
}
.ai-launcher-avatar {
  position: relative;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.ai-live-dot {
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 10px;
  height: 10px;
  background: #10B981;
  border-radius: 50%;
  border: 2px solid #0F4C81;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}
.ai-launcher-text {
  text-align: left;
}
.ai-launcher-title {
  font-size: 13px;
  font-weight: 700;
  display: block;
}
.ai-launcher-status {
  font-size: 11px;
  color: #A7F3D0;
  display: block;
}

/* Chat Drawer Card */
.ai-chat-drawer {
  position: absolute;
  bottom: 70px;
  right: 0;
  width: 380px;
  height: 540px;
  max-height: calc(100vh - 120px);
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.25);
  border: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.95);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 10000;
}
.ai-chat-drawer.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

/* Chat Header */
.ai-chat-header {
  background: linear-gradient(135deg, #0F4C81 0%, #0A365C 100%);
  color: #FFFFFF;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.ai-header-info {
  display: flex;
  align-items: center;
  gap: 12px;
}
.ai-header-name {
  font-size: 15px;
  font-weight: 700;
  margin: 0;
}
.ai-header-status {
  font-size: 12px;
  color: #A7F3D0;
  display: flex;
  align-items: center;
  gap: 6px;
}
.ai-close-btn {
  background: none;
  border: none;
  color: #CBD5E1;
  font-size: 22px;
  cursor: pointer;
  line-height: 1;
}
.ai-close-btn:hover {
  color: #FFFFFF;
}

/* Chat Body Messages */
.ai-chat-body {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: #F8FAFC;
}
.ai-msg {
  display: flex;
  gap: 8px;
  max-width: 88%;
}
.ai-msg-bot {
  align-self: flex-start;
}
.ai-msg-user {
  align-self: flex-end;
  flex-direction: row-reverse;
}
.ai-msg-bubble {
  padding: 12px 16px;
  border-radius: 14px;
  font-size: 13.5px;
  line-height: 1.5;
}
.ai-msg-bot .ai-msg-bubble {
  background: #FFFFFF;
  color: var(--text-main);
  border: 1px solid var(--border-light);
  border-top-left-radius: 4px;
  box-shadow: var(--shadow-sm);
}
.ai-msg-user .ai-msg-bubble {
  background: var(--primary);
  color: #FFFFFF;
  border-top-right-radius: 4px;
}

/* Suggested Action Chips */
.ai-chips-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 6px;
}
.ai-chip {
  background: #FFFFFF;
  border: 1px solid #CBD5E1;
  color: var(--primary);
  font-size: 12.5px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 999px;
  text-align: left;
  cursor: pointer;
  transition: var(--transition);
}
.ai-chip:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  transform: translateX(4px);
}

/* Chat Input Bar */
.ai-chat-input-bar {
  padding: 12px 16px;
  background: #FFFFFF;
  border-top: 1px solid var(--border-light);
  display: flex;
  gap: 8px;
}
.ai-chat-input {
  flex: 1;
  border: 1px solid var(--border-light);
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 13.5px;
  outline: none;
}
.ai-chat-input:focus {
  border-color: var(--primary);
}
.ai-chat-send {
  background: var(--primary);
  color: #FFFFFF;
  border: none;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: var(--transition);
}
.ai-chat-send:hover {
  background: var(--primary-dark);
}

/* Typing Indicator Animation */
.ai-typing {
  display: flex;
  gap: 4px;
  padding: 8px 12px;
  background: #FFFFFF;
  border-radius: 12px;
  width: fit-content;
  border: 1px solid var(--border-light);
}
.ai-typing span {
  width: 6px;
  height: 6px;
  background: #94A3B8;
  border-radius: 50%;
  animation: typing 1.4s infinite ease-in-out;
}
.ai-typing span:nth-child(1) { animation-delay: 0s; }
.ai-typing span:nth-child(2) { animation-delay: 0.2s; }
.ai-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typing {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-4px); }
}

/* Modal Backdrop */
.quote-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(8px);
  z-index: 10020;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.quote-modal-card {
  background: #FFFFFF;
  width: 100%;
  max-width: 640px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-header {
  background: #0F4C81;
  color: #FFFFFF;
  padding: 24px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.modal-header h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 4px;
}
.modal-header p {
  font-size: 13px;
  color: #BAE6FD;
  margin: 0;
}
.modal-close {
  background: none;
  border: none;
  color: #FFFFFF;
  font-size: 28px;
  cursor: pointer;
  line-height: 1;
}
.rfq-form {
  padding: 24px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.form-group {
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 14px;
  outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}
.form-security-note {
  font-size: 12px;
  color: var(--text-light);
  text-align: center;
  margin-top: 14px;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .factory-quad-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-grid, .spec-layout-grid, .hero-grid {
    grid-template-columns: 1fr;
  }
  .workflow-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .top-utility-bar {
    display: none;
  }
  .main-nav {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .hero h1 {
    font-size: 32px;
  }
  .hero-stats-banner {
    grid-template-columns: repeat(2, 1fr);
  }
  .factory-quad-grid {
    grid-template-columns: 1fr;
  }
  .products-showcase-grid {
    grid-template-columns: 1fr;
  }
  .workflow-grid {
    grid-template-columns: 1fr;
  }
  .video-features-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .ai-chat-drawer {
    width: calc(100vw - 32px);
    right: -12px;
    bottom: 65px;
  }
}

/* ==========================================================================
   Accessibility & B2B Procurement Components (b2b-global-brand-site-master)
   ========================================================================== */

/* Accessibility Skip Link */
.skip-link {
  position: absolute;
  top: -80px;
  left: 20px;
  background: #0F4C81;
  color: #FFFFFF;
  padding: 12px 24px;
  font-weight: 700;
  border-radius: 6px;
  z-index: 999999;
  text-decoration: none;
  transition: top 0.2s ease;
  box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}
.skip-link:focus {
  top: 20px;
  outline: 3px solid #38BDF8;
}

/* Accessible Table Scroll Container */
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 32px;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  background: #FFFFFF;
  box-shadow: 0 4px 16px rgba(0,0,0,0.03);
}
.table-scroll:focus-visible {
  outline: 3px solid #0F4C81;
  outline-offset: 2px;
}
.spec-7-table, .comparison-table, .sizing-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
  font-size: 14px;
}
.spec-7-table th, .comparison-table th, .sizing-table th {
  background: #0B192C;
  color: #FFFFFF;
  padding: 14px 18px;
  text-align: left;
  font-weight: 700;
  border-bottom: 2px solid #0F4C81;
}
.spec-7-table td, .comparison-table td, .sizing-table td {
  padding: 14px 18px;
  border-bottom: 1px solid #E2E8F0;
  color: #1E293B;
  line-height: 1.5;
}
.spec-7-table tr:nth-child(even), .comparison-table tr:nth-child(even), .sizing-table tr:nth-child(even) {
  background: #F8FAFC;
}
.spec-7-table tr:hover, .comparison-table tr:hover, .sizing-table tr:hover {
  background: #EFF6FF;
}

/* 40HQ Container Load Estimator UI */
.estimator-card {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 16px;
  padding: 36px;
  box-shadow: 0 12px 32px rgba(0,0,0,0.06);
  margin: 40px 0;
}
.estimator-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 36px;
  align-items: start;
}
@media (max-width: 900px) {
  .estimator-grid {
    grid-template-columns: 1fr;
  }
}
.estimator-inputs {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.est-input-group {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: #F8FAFC;
  padding: 12px 18px;
  border-radius: 10px;
  border: 1px solid #E2E8F0;
}
.est-input-group label {
  font-size: 14px;
  font-weight: 600;
  color: #1E293B;
  flex: 1;
}
.est-input-group input {
  width: 110px;
  padding: 8px 12px;
  border: 1px solid #CBD5E1;
  border-radius: 8px;
  font-weight: 700;
  color: #0F4C81;
  text-align: right;
  font-size: 15px;
}
.estimator-results {
  background: linear-gradient(135deg, #0B192C 0%, #0F4C81 100%);
  color: #FFFFFF;
  padding: 30px;
  border-radius: 14px;
}
.est-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}
.est-metric-card {
  background: rgba(255, 255, 255, 0.08);
  padding: 14px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.est-metric-label {
  font-size: 12px;
  color: #94A3B8;
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.est-metric-val {
  font-size: 22px;
  font-weight: 800;
  color: #FFFFFF;
}
.est-progress-container {
  margin-bottom: 20px;
}
.est-progress-header {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 600;
  color: #CBD5E1;
  margin-bottom: 8px;
}
.est-bar-track {
  width: 100%;
  height: 12px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 6px;
  overflow: hidden;
}
.est-bar-fill {
  height: 100%;
  width: 0%;
  background: #38BDF8;
  border-radius: 6px;
  transition: width 0.3s ease, background-color 0.3s ease;
}
.est-status {
  padding: 14px;
  border-radius: 8px;
  font-size: 13px;
  line-height: 1.5;
  margin-bottom: 22px;
}
.est-status-info { background: rgba(56, 189, 248, 0.15); color: #BAE6FD; }
.est-status-success { background: rgba(52, 211, 153, 0.18); color: #A7F3D0; }
.est-status-danger { background: rgba(248, 113, 113, 0.2); color: #FECACA; }
.est-status-neutral { background: rgba(255, 255, 255, 0.1); color: #E2E8F0; }

/* Dual-Mode RFQ Form Enhancements */
.form-actions-dual {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 16px;
}
.btn-mailto-draft {
  background: transparent;
  color: #0F4C81;
  border: 1px solid #CBD5E1;
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.btn-mailto-draft:hover {
  background: #F1F5F9;
  border-color: #0F4C81;
}