/* ==========================================================================
   LED HOUSE — Commercial Display & Control Solutions
   Unified White / Light Design System, Responsive Components & Architecture
   ========================================================================== */

:root {
  /* Color Palette — Pristine White & Light Architectural Slate */
  --bg-white: #ffffff;
  --bg-page: #ffffff;
  --bg-surface: #f8fafc;
  --bg-surface-alt: #f1f5f9;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  
  /* Borders & Dividers */
  --border-subtle: #f1f5f9;
  --border-light: #e2e8f0;
  --border-card: #e2e8f0;
  --border-focus: #1d84c6;

  /* Signature Brand Accents (derived from authentic LED HOUSE logo) */
  --accent-blue: #1d84c6;
  --accent-blue-hover: #156ca5;
  --accent-blue-subtle: #eff6fc;
  --accent-blue-border: #bfdbfe;
  --accent-coral: #ea5455;
  --accent-coral-subtle: #fff1f2;

  /* Typography Colors */
  --text-title: #0f172a;       /* Slate 900 */
  --text-primary: #1e293b;     /* Slate 800 */
  --text-secondary: #475569;   /* Slate 600 */
  --text-muted: #64748b;       /* Slate 500 */
  --text-dim: #94a3b8;         /* Slate 400 */
  --text-white: #ffffff;

  /* Fonts */
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  
  /* Sizing & Layout */
  --container-max-width: 1200px;
  --content-max-width: 900px;
  --header-height: 80px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.06), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 25px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.03);
  --shadow-hover: 0 16px 32px -4px rgba(15, 23, 42, 0.12), 0 6px 12px -3px rgba(15, 23, 42, 0.04);
}

/* --------------------------------------------------------------------------
   Reset & Base Styles
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-white);
}

body {
  width: 100%;
  min-height: 100vh;
  font-family: var(--font-stack);
  color: var(--text-primary);
  background-color: var(--bg-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

/* Accessibility Skip Link */
.skip-link {
  position: absolute;
  top: -60px;
  left: 20px;
  z-index: 2000;
  padding: 12px 20px;
  background: var(--accent-blue);
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 15px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Containers */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.content-container {
  width: 100%;
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* --------------------------------------------------------------------------
   Site Header & Main Navigation (Clean White Theme)
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: box-shadow 0.2s ease;
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}

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

/* Brand Wordmark & Logo */
.brand-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  outline: none;
}

.brand-link:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

.brand-logo-img {
  height: 44px;
  width: auto;
  display: block;
  object-fit: contain;
}

.brand-logo-svg {
  height: 44px;
  width: auto;
  display: block;
}

/* Primary Navigation Menu */
.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 6px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: color 0.15s ease, background-color 0.15s ease;
}

.nav-link:hover,
.nav-item:hover > .nav-link,
.nav-link.active {
  color: var(--accent-blue);
  background-color: var(--accent-blue-subtle);
}

.nav-link:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
}

.dropdown-arrow {
  transition: transform 0.2s ease;
  stroke: currentColor;
}

.nav-item:hover .dropdown-arrow,
.nav-item:focus-within .dropdown-arrow {
  transform: rotate(180deg);
}

/* Dropdown Flyout */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  width: 290px;
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 8px;
  list-style: none;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  z-index: 1010;
}

.nav-item:hover .dropdown-menu,
.nav-item:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(4px);
}

.dropdown-link {
  display: block;
  padding: 10px 14px;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}

.dropdown-link:hover,
.dropdown-link:focus {
  background-color: var(--accent-blue-subtle);
  color: var(--accent-blue);
  padding-left: 18px;
}

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

.btn-header-quote {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 18px;
  background: var(--accent-blue);
  color: #ffffff;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: all 0.2s ease;
  box-shadow: 0 1px 2px rgba(29, 132, 198, 0.2);
}

.btn-header-quote:hover {
  background: var(--accent-blue-hover);
  box-shadow: 0 4px 12px rgba(29, 132, 198, 0.3);
  transform: translateY(-1px);
}

.mobile-nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text-title);
  padding: 8px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.mobile-nav-toggle:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
}

/* Mobile Drawer Menu */
.mobile-drawer {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-height));
  background: #ffffff;
  border-top: 1px solid var(--border-light);
  padding: 24px;
  overflow-y: auto;
  z-index: 999;
  display: flex;
  flex-direction: column;
}

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

.mobile-nav-link {
  display: block;
  padding: 12px 16px;
  color: var(--text-title);
  text-decoration: none;
  font-size: 1.05rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
}

.mobile-nav-link:hover {
  background-color: var(--bg-surface);
  color: var(--accent-blue);
}

.mobile-submenu {
  list-style: none;
  padding-left: 16px;
  margin: 4px 0 8px;
  border-left: 2px solid var(--border-light);
}

.mobile-sublink {
  display: block;
  padding: 8px 12px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.92rem;
  border-radius: var(--radius-sm);
}

.mobile-sublink:hover {
  color: var(--accent-blue);
  background-color: var(--accent-blue-subtle);
}

/* --------------------------------------------------------------------------
   Breadcrumbs
   -------------------------------------------------------------------------- */
.breadcrumbs {
  padding: 16px 0 0;
}

.breadcrumbs-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.breadcrumbs-item a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.breadcrumbs-item a:hover {
  color: var(--accent-blue);
}

.breadcrumbs-separator {
  color: var(--text-dim);
}

.breadcrumbs-current {
  color: var(--text-primary);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   Buttons & CTAs
   -------------------------------------------------------------------------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  background: var(--accent-blue);
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 1px 3px rgba(29, 132, 198, 0.2);
}

.btn-primary:hover {
  background: var(--accent-blue-hover);
  box-shadow: 0 4px 14px rgba(29, 132, 198, 0.3);
  transform: translateY(-1px);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 3px;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  background: #ffffff;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--bg-surface);
  color: var(--text-title);
  border-color: #cbd5e1;
  transform: translateY(-1px);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-blue);
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  transition: all 0.2s ease;
}

.link-arrow:hover {
  color: var(--accent-blue-hover);
  gap: 10px;
}

/* --------------------------------------------------------------------------
   Badges & Tags
   -------------------------------------------------------------------------- */
.badge, .hero-tag, .card-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: var(--accent-blue-subtle);
  color: var(--accent-blue);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border-radius: 9999px;
  border: 1px solid var(--accent-blue-border);
  margin-bottom: 12px;
}

/* --------------------------------------------------------------------------
   Hero Sections (Luminous White / Light Theme)
   -------------------------------------------------------------------------- */
.page-hero {
  padding: 56px 0 40px;
  background: linear-gradient(180deg, var(--bg-surface) 0%, #ffffff 100%);
  border-bottom: 1px solid var(--border-light);
}

.hero-text-block {
  max-width: 840px;
}

.page-title {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  color: var(--text-title);
  line-height: 1.18;
  letter-spacing: -0.025em;
  margin-bottom: 16px;
}

.hero-lead, .page-intro {
  font-size: clamp(1.05rem, 1.8vw, 1.2rem);
  color: var(--text-secondary);
  line-height: 1.68;
  margin-bottom: 28px;
}

.hero-actions, .hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 36px;
}

.hero-media-wrap {
  margin-top: 36px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-lg);
  background: #ffffff;
}

.hero-media-wrap img {
  width: 100%;
  height: auto;
  display: block;
}

/* --------------------------------------------------------------------------
   Section Layouts
   -------------------------------------------------------------------------- */
.section, .section-wrap {
  padding: 72px 0;
}

.section-wrap.alt-bg,
.section[style*="background-color: var(--color-bg-alt)"],
.section.alt-bg {
  background-color: var(--bg-surface) !important;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.section-header {
  margin-bottom: 44px;
  max-width: 760px;
}

.section-header.text-center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section-title {
  font-size: clamp(1.75rem, 3.2vw, 2.3rem);
  font-weight: 700;
  color: var(--text-title);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-subtitle, .section-subtext {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Cards Grid (Clean White Cards with Crisp Borders)
   -------------------------------------------------------------------------- */
.cards-grid, .cards-grid-3, .solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.content-card, .solution-card, .feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.25s ease;
  box-shadow: var(--shadow-sm);
}

.content-card:hover, .solution-card:hover, .feature-card:hover {
  border-color: #cbd5e1;
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.card-thumb, .solution-card-image-wrap {
  width: 100%;
  height: 220px;
  background: var(--bg-surface-alt);
  overflow: hidden;
  border-bottom: 1px solid var(--border-light);
}

.card-thumb img, .solution-card-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease;
}

.content-card:hover .card-thumb img,
.solution-card:hover .solution-card-image-wrap img {
  transform: scale(1.03);
}

.card-body, .solution-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-heading, .solution-card-title, .feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 10px;
  line-height: 1.35;
}

.card-heading a, .feature-card h3 a {
  color: var(--text-title);
  text-decoration: none;
  transition: color 0.15s ease;
}

.card-heading a:hover, .feature-card h3 a:hover {
  color: var(--accent-blue);
}

.card-text, .solution-card-desc, .feature-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 16px;
  flex-grow: 1;
}

.card-specs-list {
  list-style: none;
  margin-bottom: 20px;
  padding-top: 14px;
  border-top: 1px solid var(--border-light);
  font-size: 0.88rem;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.card-specs-list li strong {
  color: var(--text-title);
}

.card-actions, .card-link {
  margin-top: auto;
  padding-top: 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-blue);
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
}

.card-link svg {
  transition: transform 0.2s ease;
}

.card-link:hover svg {
  transform: translateX(4px);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--accent-blue-subtle);
  border: 1px solid var(--accent-blue-border);
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

/* --------------------------------------------------------------------------
   Feature Split Sections
   -------------------------------------------------------------------------- */
.feature-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.feature-split-text, .feature-copy {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature-split-text h2, .feature-title {
  font-size: clamp(1.6rem, 2.8vw, 2.1rem);
  font-weight: 700;
  color: var(--text-title);
  line-height: 1.25;
}

.feature-split-text p, .feature-desc {
  font-size: 0.96rem;
  color: var(--text-secondary);
  line-height: 1.68;
}

.feature-list, .feature-bullet-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 12px 0 16px;
}

.feature-list li, .feature-bullet-list li {
  position: relative;
  padding-left: 28px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent-blue);
  font-weight: 800;
}

.bullet-icon {
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent-blue);
  font-weight: bold;
}

.feature-split-image, .feature-media {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
  background: #ffffff;
}

.feature-split-image img, .feature-media img {
  width: 100%;
  height: auto;
  display: block;
}

/* --------------------------------------------------------------------------
   Interactive Performance Feature Icons Grid (10 Features)
   -------------------------------------------------------------------------- */
.perf-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
  margin: 32px 0;
}

.perf-feature-item {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.perf-feature-item:hover {
  border-color: var(--accent-blue);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.perf-feature-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--accent-blue-subtle);
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.perf-feature-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-title);
}

.perf-feature-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   Tables (Pristine White with High-Contrast Header)
   -------------------------------------------------------------------------- */
.table-container, .table-responsive {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background: #ffffff;
  box-shadow: var(--shadow-sm);
  margin: 28px 0;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.spec-table th {
  background-color: var(--bg-surface);
  color: var(--text-title);
  font-weight: 700;
  padding: 16px 20px;
  border-bottom: 2px solid var(--border-light);
  font-size: 0.88rem;
  letter-spacing: 0.3px;
}

.spec-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-primary);
  vertical-align: middle;
}

.spec-table tbody tr:nth-child(even) {
  background-color: #fafbfc;
}

.spec-table tbody tr:hover {
  background-color: var(--accent-blue-subtle);
}

.spec-table td strong {
  color: var(--text-title);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   CTA Banners
   -------------------------------------------------------------------------- */
.cta-banner {
  background: linear-gradient(135deg, var(--bg-surface) 0%, #ffffff 100%);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  box-shadow: var(--shadow-md);
  margin: 40px 0;
}

.cta-banner-content {
  max-width: 680px;
}

.cta-banner h2, .cta-banner h3, .cta-banner-title {
  color: var(--text-title) !important;
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.cta-banner p, .cta-banner-desc {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Contact & Interactive RFQ Form
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 48px;
}

.contact-info-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.contact-info-panel h2 {
  color: var(--text-title);
  font-size: 1.6rem;
  margin: 12px 0 8px;
}

.contact-form-panel {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-md);
}

.rfq-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-title);
}

.form-input {
  width: 100%;
  padding: 11px 14px;
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-sm);
  color: var(--text-title);
  font-family: inherit;
  font-size: 0.92rem;
  transition: all 0.2s ease;
}

.form-input:focus {
  border-color: var(--accent-blue);
  outline: none;
  box-shadow: 0 0 0 3px rgba(29, 132, 198, 0.15);
}

.form-input::placeholder {
  color: var(--text-dim);
}

.form-status-box {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  display: none;
}

.form-status-box.success {
  display: block;
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.form-status-box.error {
  display: block;
  background: #fff1f2;
  color: #9f1239;
  border: 1px solid #fecdd3;
}

/* --------------------------------------------------------------------------
   Site Footer (Light Architectural Slate)
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-light);
  padding: 64px 0 32px;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand-info p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-top: 16px;
  max-width: 340px;
}

.footer-col-title {
  color: var(--text-title);
  font-size: 0.98rem;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.15s ease;
}

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

.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.84rem;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--text-muted);
  text-decoration: none;
}

.footer-bottom a:hover {
  color: var(--accent-blue);
}

/* --------------------------------------------------------------------------
   Responsive Architecture: Desktop, iPad & Mobile Breakpoints
   -------------------------------------------------------------------------- */

/* Prevent iOS input auto-zoom by ensuring minimum 16px font-size */
@media screen and (max-width: 768px) {
  input, select, textarea, .form-input {
    font-size: 16px !important;
  }
}

/* Base Mobile & Touch Enhancements */
img, video, svg {
  max-width: 100%;
  height: auto;
}

.table-container, .table-responsive {
  -webkit-overflow-scrolling: touch;
}

/* --------------------------------------------------------------------------
   Tier 1: iPad Pro Landscape & Compact Desktop (992px to 1199px)
   -------------------------------------------------------------------------- */
@media (max-width: 1199px) and (min-width: 992px) {
  .container {
    padding: 0 20px;
  }

  .nav-menu {
    gap: 2px;
  }

  .nav-link {
    padding: 8px 10px;
    font-size: 0.86rem;
  }

  .btn-header-quote {
    padding: 8px 14px;
    font-size: 0.84rem;
  }

  .cards-grid, .cards-grid-3, .solutions-grid {
    gap: 20px;
  }

  .footer-grid {
    gap: 24px;
  }
}

/* --------------------------------------------------------------------------
   Tier 2: iPad Portrait & Medium Tablets (768px to 991px)
   -------------------------------------------------------------------------- */
@media (max-width: 991px) {
  :root {
    --header-height: 72px;
  }

  /* Switch to Touch-Friendly Navigation Toggle */
  .nav-menu, 
  .header-actions .btn-header-quote {
    display: none !important;
  }

  .mobile-nav-toggle {
    display: inline-flex;
  }

  /* Two-column balanced layout on tablets */
  .cards-grid, 
  .cards-grid-3, 
  .solutions-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 24px;
  }

  .card-thumb, .solution-card-image-wrap {
    height: 200px;
  }

  /* Feature Splits stack gracefully */
  .feature-split {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .feature-split-text {
    order: 1;
  }

  .feature-split-image, .feature-media {
    order: 2;
  }

  /* Performance Pillars: 3-column tablet grid */
  .perf-features-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  /* Contact layout stacks */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  /* Tablet Footer: Balanced 2-column grid */
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .footer-brand-info {
    grid-column: span 2;
  }

  .footer-brand-info p {
    max-width: 100%;
  }

  .cta-banner {
    flex-direction: column;
    align-items: flex-start;
    padding: 36px 28px;
    gap: 24px;
  }

  .cta-banner-content {
    max-width: 100%;
  }

  .cta-banner .btn-primary {
    align-self: flex-start;
  }
}

/* --------------------------------------------------------------------------
   Tier 3: Mobile Phones (481px to 767px)
   -------------------------------------------------------------------------- */
@media (max-width: 767px) {
  :root {
    --header-height: 68px;
  }

  .site-header {
    height: var(--header-height);
  }

  .brand-logo-img, .brand-logo-svg {
    height: 38px;
  }

  .container, .content-container {
    padding: 0 18px;
  }

  /* Page Hero */
  .page-hero {
    padding: 40px 0 28px;
  }

  .page-title {
    font-size: clamp(1.85rem, 6.5vw, 2.35rem);
    margin-bottom: 12px;
  }

  .hero-lead, .page-intro {
    font-size: 1.02rem;
    line-height: 1.6;
    margin-bottom: 24px;
  }

  /* Mobile Button Stacking for Easy Touch Targets */
  .hero-actions, .hero-cta-group {
    flex-direction: column;
    width: 100%;
    gap: 12px;
  }

  .hero-actions .btn-primary,
  .hero-actions .btn-secondary,
  .hero-cta-group .btn-primary,
  .hero-cta-group .btn-secondary {
    width: 100%;
    text-align: center;
    padding: 13px 20px;
  }

  .hero-media-wrap {
    margin-top: 24px;
    border-radius: var(--radius-md);
  }

  /* Single-column cards on mobile */
  .cards-grid, 
  .cards-grid-3, 
  .solutions-grid {
    grid-template-columns: 1fr !important;
    gap: 20px;
  }

  .card-body, .solution-card-body {
    padding: 20px;
  }

  /* Section Spacing */
  .section, .section-wrap {
    padding: 56px 0;
  }

  .section-header {
    margin-bottom: 32px;
  }

  .section-title {
    font-size: 1.7rem;
  }

  /* Feature splits */
  .feature-split {
    gap: 28px;
  }

  /* Performance Pillars: 2-column mobile grid */
  .perf-features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin: 24px 0;
  }

  .perf-feature-item {
    padding: 12px 14px;
    gap: 10px;
  }

  .perf-feature-icon {
    width: 34px;
    height: 34px;
  }

  .perf-feature-title {
    font-size: 0.82rem;
  }

  .perf-feature-desc {
    font-size: 0.72rem;
  }

  /* Form Elements */
  .form-row {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .contact-info-panel, .contact-form-panel {
    padding: 24px 20px;
    border-radius: var(--radius-md);
  }

  /* Table Mobile Scroll */
  .table-container, .table-responsive {
    margin: 20px 0;
    border-radius: var(--radius-sm);
  }

  .spec-table th, .spec-table td {
    padding: 12px 14px;
    font-size: 0.84rem;
    white-space: nowrap;
  }

  /* Footer */
  .site-footer {
    padding: 48px 0 28px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-brand-info {
    grid-column: span 1;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
}

/* --------------------------------------------------------------------------
   Tier 4: Small Mobile Devices (< 480px)
   -------------------------------------------------------------------------- */
@media (max-width: 480px) {
  :root {
    --header-height: 64px;
  }

  .container, .content-container {
    padding: 0 16px;
  }

  .brand-logo-img, .brand-logo-svg {
    height: 34px;
  }

  .page-hero {
    padding: 32px 0 20px;
  }

  .page-title {
    font-size: 1.65rem;
    line-height: 1.2;
  }

  .hero-lead, .page-intro {
    font-size: 0.94rem;
    line-height: 1.55;
  }

  .section, .section-wrap {
    padding: 44px 0;
  }

  .section-title {
    font-size: 1.45rem;
  }

  .section-subtitle, .section-subtext {
    font-size: 0.9rem;
  }

  .card-heading, .solution-card-title, .feature-card h3 {
    font-size: 1.15rem;
  }

  .card-body, .solution-card-body {
    padding: 16px;
  }

  .card-thumb, .solution-card-image-wrap {
    height: 180px;
  }

  /* Single Column Performance Features on Small Phones */
  .perf-features-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .cta-banner {
    padding: 24px 16px;
    border-radius: var(--radius-sm);
  }

  .cta-banner h2, .cta-banner-title {
    font-size: 1.35rem;
  }

  .cta-banner p, .cta-banner-desc {
    font-size: 0.88rem;
  }

  .cta-banner .btn-primary {
    width: 100%;
    text-align: center;
  }

  .contact-info-panel, .contact-form-panel {
    padding: 20px 16px;
  }

  .contact-info-panel h2 {
    font-size: 1.35rem;
  }

  .contact-form-panel h3 {
    font-size: 1.2rem;
  }

  .btn-primary, .btn-secondary {
    width: 100%;
    text-align: center;
    padding: 12px 18px;
    font-size: 0.9rem;
  }

  .spec-table th, .spec-table td {
    padding: 10px 12px;
    font-size: 0.8rem;
  }
}

/* ==========================================================================
   Animated Homepage Hero Stage (Oversized Typography Behind Real LED Cabinets)
   ========================================================================== */

.animated-hero-stage {
  position: relative;
  overflow: hidden;
  background-color: var(--bg-white);
  min-height: 720px;
  display: flex;
  align-items: center;
  padding: 48px 0 64px;
  border-bottom: 1px solid var(--border-light);
}

.hero-stage-canvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.hero-stage-grid {
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(circle at 1px 1px, rgba(15, 23, 42, 0.04) 1px, transparent 0);
  background-size: 32px 32px;
  opacity: 0.85;
}

.hero-radial-glow {
  position: absolute;
  top: 15%;
  right: 5%;
  width: 750px;
  height: 600px;
  background: radial-gradient(circle, rgba(29, 132, 198, 0.07) 0%, rgba(29, 132, 198, 0.015) 45%, transparent 70%);
  filter: blur(40px);
  pointer-events: none;
}

/* Oversized Background Lettering Spanning Behind Cabinets */
.hero-backdrop-typography {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  max-width: 1500px;
  text-align: center;
  pointer-events: none;
  user-select: none;
  z-index: 2;
  overflow: hidden;
}

.hero-backdrop-text-track {
  display: flex;
  justify-content: space-around;
  align-items: center;
  gap: clamp(12px, 3vw, 48px);
  padding: 0 20px;
  animation: backdropTextEntrance 1.1s cubic-bezier(0.16, 1, 0.3, 1) 0.3s backwards;
}

.hero-backdrop-word {
  font-size: clamp(4.5rem, 11vw, 11rem);
  font-weight: 900;
  line-height: 0.85;
  letter-spacing: -0.045em;
  text-transform: uppercase;
  color: #e2e8f0;
  opacity: 1;
  white-space: nowrap;
  font-family: var(--font-stack);
  -webkit-text-stroke: 1.5px rgba(15, 23, 42, 0.08);
  text-shadow: 0 4px 24px rgba(15, 23, 42, 0.04);
}

@keyframes backdropTextEntrance {
  0% {
    transform: translateY(28px) scale(0.97);
    opacity: 0;
  }
  100% {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

/* Stage Layout Grid */
.hero-stage-container {
  display: grid;
  grid-template-columns: 1.05fr 1.35fr;
  align-items: center;
  gap: 40px;
  position: relative;
  z-index: 3;
  width: 100%;
}

/* Supporting Copy Block */
.hero-copy-block {
  max-width: 520px;
  position: relative;
  z-index: 4;
}

.hero-eyebrow-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-blue);
  background: var(--accent-blue-subtle);
  border: 1px solid var(--accent-blue-border);
  padding: 6px 14px;
  border-radius: 9999px;
  margin-bottom: 20px;
}

.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(29, 132, 198, 0.2);
}

.hero-main-title {
  font-size: clamp(2.3rem, 3.8vw, 3.5rem);
  font-weight: 850;
  color: var(--text-title);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 18px;
}

.hero-main-paragraph {
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

.hero-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-bottom: 20px;
}

.hero-btn-quote {
  padding: 13px 28px;
  font-size: 1rem;
  font-weight: 600;
}

.hero-btn-solutions {
  padding: 13px 26px;
  font-size: 1rem;
  font-weight: 600;
}

.hero-secondary-note {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  color: var(--text-muted);
  margin-bottom: 22px;
}

.hero-secondary-note svg {
  color: var(--accent-blue);
  flex-shrink: 0;
}

/* Layered LED Cabinet Composition Group */

/* Layered LED Cabinet Composition Group */
.hero-cabinet-stage {
  position: relative;
  height: 600px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 1400px;
}

/* Cabinet Dual-Wrapper Architecture:
   - .cabinet-wrapper coordinates entrance translation and relative layout
   - .cabinet-ambient handles smooth continuous vertical floating
*/
.cabinet-wrapper {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  will-change: transform;
}

.cabinet-ambient {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  will-change: transform;
}

.cabinet-img {
  display: block;
  width: auto;
  height: auto;
  user-select: none;
  pointer-events: none;
}

/* 1. Primary Foreground Cabinet (Angled Illuminated Screen) */
.cabinet-wrapper-main {
  z-index: 10;
  left: 36%;
  top: 50%;
  transform: translate(-36%, -50%);
  animation: mainCabinetEntrance 1.0s cubic-bezier(0.16, 1, 0.3, 1) 0.25s backwards;
}

.cabinet-ambient-main {
  animation: mainCabinetFloat 7.2s ease-in-out 1.25s infinite;
}

.cabinet-img-main {
  height: 530px;
  filter: drop-shadow(0 24px 36px rgba(15, 23, 42, 0.18));
}

.cabinet-shadow-main {
  position: absolute;
  bottom: -6px;
  left: 8%;
  width: 84%;
  height: 26px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(15, 23, 42, 0.32) 0%, rgba(15, 23, 42, 0) 70%);
  filter: blur(6px);
  z-index: -1;
  animation: mainShadowPulse 7.2s ease-in-out 1.25s infinite;
}

/* Optical sheen pass confined to screen area */
.cabinet-screen-sheen {
  position: absolute;
  top: 6%;
  left: 14%;
  width: 72%;
  height: 86%;
  pointer-events: none;
  overflow: hidden;
  border-radius: 2px;
  z-index: 12;
}

.cabinet-screen-sheen::after {
  content: '';
  position: absolute;
  top: -60%;
  left: -120%;
  width: 60%;
  height: 220%;
  background: linear-gradient(108deg, transparent 20%, rgba(255, 255, 255, 0.45) 50%, transparent 80%);
  transform: rotate(18deg);
  animation: screenSheenSweep 1.8s ease-in-out 1.8s forwards;
  opacity: 0;
}

/* 2. Secondary Rear Engineering Cabinet (Offset behind dominant cabinet) */
.cabinet-wrapper-rear {
  z-index: 6;
  left: 68%;
  top: 48%;
  transform: translate(-30%, -50%) scale(0.86);
  animation: rearCabinetEntrance 1.1s cubic-bezier(0.16, 1, 0.3, 1) 0.45s backwards;
}

.cabinet-ambient-rear {
  animation: rearCabinetFloat 6.4s ease-in-out 1.55s infinite;
}

.cabinet-img-rear {
  height: 460px;
  filter: drop-shadow(0 18px 28px rgba(15, 23, 42, 0.14));
}

.cabinet-shadow-rear {
  position: absolute;
  bottom: -4px;
  left: 10%;
  width: 80%;
  height: 22px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(15, 23, 42, 0.24) 0%, rgba(15, 23, 42, 0) 70%);
  filter: blur(5px);
  z-index: -1;
  animation: rearShadowPulse 6.4s ease-in-out 1.55s infinite;
}

/* 3. Supporting Flank Cabinet (Left depth and balance) */
.cabinet-wrapper-flank {
  z-index: 4;
  left: 15%;
  top: 52%;
  transform: translate(-50%, -50%) scale(0.76);
  animation: flankCabinetEntrance 1.0s cubic-bezier(0.16, 1, 0.3, 1) 0.65s backwards;
}

.cabinet-ambient-flank {
  animation: flankCabinetFloat 7.8s ease-in-out 1.65s infinite;
}

.cabinet-img-flank {
  height: 400px;
  filter: drop-shadow(0 14px 24px rgba(15, 23, 42, 0.11));
}

.cabinet-shadow-flank {
  position: absolute;
  bottom: -4px;
  left: 10%;
  width: 80%;
  height: 20px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(15, 23, 42, 0.2) 0%, rgba(15, 23, 42, 0) 70%);
  filter: blur(5px);
  z-index: -1;
  animation: flankShadowPulse 7.8s ease-in-out 1.65s infinite;
}

/* Entrance Animations */
@keyframes mainCabinetEntrance {
  0% {
    transform: translate(-36%, calc(-50% + 55px)) rotate(-1.5deg);
    opacity: 0.3;
  }
  100% {
    transform: translate(-36%, -50%) rotate(0deg);
    opacity: 1;
  }
}

@keyframes rearCabinetEntrance {
  0% {
    transform: translate(-70%, calc(-50% + 30px)) scale(0.78);
    opacity: 0.2;
  }
  100% {
    transform: translate(-30%, -50%) scale(0.86);
    opacity: 1;
  }
}

@keyframes flankCabinetEntrance {
  0% {
    transform: translate(-35%, calc(-50% + 25px)) scale(0.70);
    opacity: 0.25;
  }
  100% {
    transform: translate(-50%, -50%) scale(0.76);
    opacity: 1;
  }
}

/* Ambient Floating Animations */
@keyframes mainCabinetFloat {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-11px) rotate(0.4deg);
  }
}

@keyframes rearCabinetFloat {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-7px) rotate(-0.3deg);
  }
}

@keyframes flankCabinetFloat {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-6px) rotate(0.2deg);
  }
}

/* Shadow Responding to Float */
@keyframes mainShadowPulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.32;
  }
  50% {
    transform: scale(0.91);
    opacity: 0.20;
  }
}

@keyframes rearShadowPulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.24;
  }
  50% {
    transform: scale(0.93);
    opacity: 0.16;
  }
}

@keyframes flankShadowPulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.20;
  }
  50% {
    transform: scale(0.94);
    opacity: 0.13;
  }
}

/* Light Sheen Sweep across Screen */
@keyframes screenSheenSweep {
  0% {
    left: -120%;
    opacity: 0;
  }
  15% {
    opacity: 0.75;
  }
  85% {
    opacity: 0.75;
  }
  100% {
    left: 220%;
    opacity: 0;
  }
}



/* Responsive: Tablet Landscape (992px to 1200px) */
@media (max-width: 1200px) {
  .hero-stage-container {
    grid-template-columns: 1fr 1.2fr;
    gap: 28px;
  }
  .hero-cabinet-stage {
    height: 520px;
  }
  .cabinet-img-main {
    height: 450px;
  }
  .cabinet-img-rear {
    height: 390px;
  }
  .cabinet-img-flank {
    height: 340px;
  }
}

/* Responsive: Tablet Portrait & iPad (769px to 991px) */
@media (max-width: 991px) {
  .animated-hero-stage {
    padding: 36px 0 54px;
    min-height: auto;
  }
  .hero-stage-container {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }
  .hero-copy-block {
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
  }
  .hero-cta-actions {
    justify-content: center;
  }
  .hero-secondary-note {
    justify-content: center;
  }
  .hero-cabinet-stage {
    height: 480px;
    max-width: 580px;
    margin: 0 auto;
  }
  .cabinet-wrapper-main {
    left: 42%;
  }
  .cabinet-wrapper-rear {
    left: 72%;
  }
  .cabinet-wrapper-flank {
    left: 14%;
  }
  .cabinet-img-main {
    height: 410px;
  }
  .cabinet-img-rear {
    height: 350px;
  }
  .cabinet-img-flank {
    height: 300px;
  }
  .hero-backdrop-typography {
    position: absolute;
    top: auto;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 580px;
    height: 480px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

/* Responsive: Mobile & Small Tablets (≤ 768px) */
@media (max-width: 768px) {
  .animated-hero-stage {
    padding: 28px 0 40px;
    overflow: hidden;
  }
  .hero-stage-container {
    grid-template-columns: 1fr;
    gap: 24px;
    text-align: center;
  }
  .hero-copy-block {
    max-width: 100%;
    margin: 0 auto;
    text-align: center;
  }
  .hero-eyebrow-badge {
    margin: 0 auto 14px;
    display: inline-flex;
  }
  .hero-main-title {
    font-size: clamp(1.9rem, 6vw, 2.4rem);
    line-height: 1.16;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
  }
  .hero-main-paragraph {
    font-size: 1.02rem;
    line-height: 1.55;
    margin: 0 auto 20px;
    max-width: 520px;
  }
  .hero-cta-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
    max-width: 320px;
    margin: 0 auto 16px;
  }
  .hero-cta-actions .btn-primary,
  .hero-cta-actions .btn-secondary {
    width: 100%;
    justify-content: center;
    padding: 13px 20px;
    font-size: 0.95rem;
  }
  .hero-secondary-note {
    justify-content: center;
    font-size: 0.82rem;
    margin: 0 auto;
  }
  .hero-backdrop-typography {
    display: none !important;
  }
  .hero-cabinet-stage {
    position: relative;
    height: 340px;
    max-width: 360px;
    margin: 12px auto 0;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .cabinet-wrapper-flank {
    display: none !important;
  }
  .cabinet-wrapper-main {
    position: relative;
    top: auto;
    left: auto;
    transform: none !important;
    animation: none !important;
    z-index: 3;
    filter: drop-shadow(0 16px 32px rgba(15, 23, 42, 0.16));
  }
  .cabinet-img-main {
    height: 300px;
    width: auto;
  }
  .cabinet-wrapper-rear {
    position: absolute;
    top: 50%;
    left: 55%;
    transform: translateY(-50%) scale(0.84) !important;
    animation: none !important;
    z-index: 1;
    opacity: 0.85;
    filter: drop-shadow(0 12px 24px rgba(15, 23, 42, 0.12));
  }
  .cabinet-img-rear {
    height: 265px;
    width: auto;
  }
}

/* Responsive: Small Phones (≤ 430px) */
@media (max-width: 430px) {
  .animated-hero-stage {
    padding: 20px 0 32px;
  }
  .hero-main-title {
    font-size: 1.8rem;
    line-height: 1.18;
  }
  .hero-main-paragraph {
    font-size: 0.92rem;
    margin-bottom: 18px;
  }
  .hero-cabinet-stage {
    height: 280px;
    max-width: 310px;
    margin: 10px auto 0;
  }
  .cabinet-img-main {
    height: 245px;
  }
  .cabinet-wrapper-rear {
    left: 52%;
    transform: translateY(-50%) scale(0.78) !important;
  }
  .cabinet-img-rear {
    height: 220px;
  }
}

/* ==========================================================================
   Interactive Display Planning Worksheet Component
   ========================================================================== */

.worksheet-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 36px;
  box-shadow: 0 4px 24px rgba(15, 23, 42, 0.05);
  margin-bottom: 24px;
}

.worksheet-header {
  margin-bottom: 28px;
}

.worksheet-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: #0f172a;
  margin: 10px 0 6px;
}

.worksheet-subtitle {
  color: #64748b;
  font-size: 0.98rem;
  line-height: 1.6;
  margin: 0;
}

.worksheet-steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.worksheet-step {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.worksheet-step-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: #1e293b;
}

.worksheet-result-box {
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  border: 1px solid #cbd5e1;
  border-radius: 12px;
  padding: 28px;
  position: relative;
}

.result-header {
  margin-bottom: 10px;
}

.result-tag {
  display: inline-block;
  background: #e0f2fe;
  color: #0369a1;
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 6px;
}

.result-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #0f172a;
  margin: 0;
}

.result-desc {
  color: #475569;
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 8px 0 20px;
}

.result-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid #e2e8f0;
  margin-bottom: 24px;
}

.result-meta-grid strong {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #64748b;
  margin-bottom: 4px;
}

.result-meta-grid span {
  font-size: 0.9rem;
  color: #1e293b;
  font-weight: 500;
}

.result-actions {
  display: flex;
  gap: 14px;
  align-items: center;
}

@media (max-width: 768px) {
  .worksheet-card {
    padding: 20px;
  }
  .worksheet-title {
    font-size: 1.35rem;
  }
  .result-actions button {
    width: 100%;
  }
}