@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,300;1,400;1,500;1,600;1,700&display=swap');

:root {
  /* Color Palette */
  --brand-green: #083d2f;
  --brand-green-rgb: 8, 61, 47;
  --brand-green-hover: #0c6f56;
  --brand-green-light: #f1f7f5;
  
  --bg-dark: #0a0f18;
  --bg-dark-secondary: #111827;
  --bg-dark-tertiary: #1f2937;
  
  --bg-light: #f8fafc;
  --bg-light-secondary: #ffffff;
  --border-light: #e2e8f0;
  
  --text-dark: #0f172a;
  --text-dark-secondary: #475569;
  --text-light: #f8fafc;
  --text-light-secondary: #cbd5e1;
  --text-muted: #64748b;
  
  --glass-bg: rgba(10, 15, 24, 0.75);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  
  --font-primary: 'Montserrat', sans-serif;
  --font-secondary: 'Montserrat', sans-serif;
  --font-accent: 'Montserrat', sans-serif;
  --font-brand: 'Montserrat', sans-serif;
  --font-italic: 'Montserrat', sans-serif;
  
  --accent-gold: #ffffff;
  --accent-gold-rgb: 255, 255, 255;
  --accent-gold-hover: #f1f7f5;
  --accent-gold-light: rgba(255, 255, 255, 0.08);
  
  --transition-smooth: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.25s ease;
  
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;
  
  --container-width: 1280px;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background-color: var(--bg-light);
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2 {
  font-family: var(--font-accent);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.serif-italic {
  font-family: var(--font-primary);
  font-style: normal;
  font-weight: 600;
  color: var(--accent-gold);
}

h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: 600;
  letter-spacing: -0.01em;
}

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

button, input, select, textarea {
  font-family: inherit;
  border: none;
  outline: none;
  background: none;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* Utilities */
.section-padding {
  padding: 8rem 0;
}

.subpage-main {
  padding-top: 130px;
}

@media (max-width: 768px) {
  .subpage-main {
    padding-top: 80px;
  }
}

.text-center {
  text-align: center;
}

.badge {
  display: inline-block;
  padding: 0.4rem 1.2rem;
  background-color: var(--brand-green-light);
  color: var(--brand-green);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(0, 135, 81, 0.15);
}

.section-title h2 {
  font-size: 3rem;
  font-weight: 600;
  color: var(--bg-dark);
  margin-bottom: 1rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.section-title p {
  font-size: 1.15rem;
  color: var(--text-dark-secondary);
  max-width: 600px;
  margin: 0 auto 4rem auto;
}

.gradient-text {
  background: linear-gradient(135deg, var(--brand-green), var(--brand-green-hover));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem 2.2rem;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  font-size: 1rem;
}

.btn-primary {
  background-color: var(--brand-green);
  color: var(--text-light);
  box-shadow: 0 4px 20px rgba(0, 135, 81, 0.3);
}

.btn-primary:hover {
  background-color: var(--brand-green-hover);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 135, 81, 0.4);
}

.btn-secondary {
  background-color: transparent;
  color: var(--bg-dark);
  border: 2px solid var(--border-light);
}

.btn-secondary:hover {
  background-color: var(--border-light);
  transform: translateY(-3px);
}

.btn-white {
  background-color: var(--text-light);
  color: var(--bg-dark);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.btn-white:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition-smooth);
}

.top-bar {
  background-color: var(--bg-dark);
  color: var(--text-light-secondary);
  padding: 0.5rem 0;
  font-size: 0.85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.top-bar-left, .top-bar-right {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.top-bar-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a:hover {
  color: var(--brand-green);
  transform: scale(1.1);
}

.navbar {
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  padding: 1.2rem 0;
  transition: var(--transition-smooth);
}

header.scrolled .navbar {
  padding: 0.8rem 0;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  height: 48px;
}

.logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
  display: block;
  transition: var(--transition-smooth);
  filter: drop-shadow(0 2px 8px rgba(0, 135, 81, 0.1));
}

.logo-img:hover {
  transform: scale(1.02);
}

header.scrolled .logo-img {
  height: 40px;
}

footer .logo-img {
  height: 52px;
  filter: brightness(0) invert(1) drop-shadow(0 2px 8px rgba(255, 255, 255, 0.15));
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2.2rem;
  align-items: center;
}

.nav-item {
  position: relative;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-dark-secondary);
  padding: 0.5rem 0;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--brand-green);
  transition: var(--transition-fast);
}

.nav-link:hover::after, .nav-item.active .nav-link::after {
  width: 100%;
}

.nav-link:hover, .nav-item.active .nav-link {
  color: var(--brand-green);
}

/* Dropdown Menu */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: -20px;
  background-color: var(--bg-dark-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 1rem 0;
  min-width: 240px;
  opacity: 0;
  transform: translateY(15px);
  pointer-events: none;
  box-shadow: var(--glass-shadow);
  transition: var(--transition-smooth);
}

.nav-item:hover .dropdown-menu {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.dropdown-item {
  display: block;
  padding: 0.75rem 1.5rem;
  color: var(--text-light-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: var(--transition-fast);
}

.dropdown-item:hover {
  background-color: rgba(255, 255, 255, 0.05);
  color: #ffffff;
  border-left-color: var(--brand-green-hover);
  padding-left: 1.75rem;
}

/* Premium Mobile Hamburger Icon */
.hamburger {
  display: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  z-index: 101;
  padding: 8px;
  border-radius: 50%;
  transition: var(--transition-fast);
}

.hamburger:hover {
  background-color: rgba(0, 135, 81, 0.08);
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--bg-dark);
  border-radius: 2px;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease, background-color 0.4s ease;
}

/* Hamburger active transformation state */
.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
  background-color: var(--accent-gold);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
  background-color: var(--accent-gold);
}

/* Hero Section / Slider */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  background-color: var(--bg-dark);
  overflow: hidden;
}

.hero-slider {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: center;
  padding-top: 130px;
  padding-bottom: 60px;
}

.slide.active {
  opacity: 1;
  z-index: 1;
}

.slide-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.4);
  transform: scale(1.1);
  transition: transform 8s ease;
}

.slide.active .slide-bg {
  transform: scale(1);
}

.slide-content {
  position: relative;
  z-index: 2;
  color: var(--text-light);
  max-width: 750px;
  padding: 0 2rem;
  transform: translateY(40px);
  opacity: 0;
  transition: all 1s cubic-bezier(0.16, 1, 0.3, 1) 0.4s;
}

.slide.active .slide-content {
  transform: translateY(0);
  opacity: 1;
}

.slide-content h1 {
  font-size: 4.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.slide-content p {
  font-size: 1.25rem;
  color: var(--text-light-secondary);
  margin-bottom: 2.5rem;
  font-weight: 300;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  gap: 1.2rem;
}

/* Slider Controls */
.slider-dots {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.8rem;
  z-index: 10;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: var(--transition-fast);
}

.dot.active {
  background-color: var(--brand-green);
  width: 32px;
  border-radius: 20px;
}

.slider-nav {
  position: absolute;
  bottom: 2rem;
  right: 4rem;
  display: flex;
  gap: 1rem;
  z-index: 10;
}

.slider-arrow {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
  background-color: rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(10px);
}

.slider-arrow:hover {
  background-color: var(--brand-green);
  border-color: var(--brand-green);
  transform: scale(1.05);
}

/* Performance / Stats Section */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-top: 4rem; /* Positioned cleanly below the hero slider without overlap */
  position: relative;
  z-index: 10;
}

.stat-card {
  background: white;
  padding: 2.5rem 2rem;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.04);
  border: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: var(--transition-smooth);
}

.stat-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.25);
}

.stat-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--accent-gold-light);
  color: var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--bg-dark);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--text-dark-secondary);
  font-weight: 500;
}

/* uPVC benefits features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-box {
  background-color: white;
  padding: 3rem 2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  transition: var(--transition-smooth);
}

.feature-box:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.05);
  border-color: rgba(0, 0, 1, 0.08);
}

.feature-box i {
  font-size: 2.2rem;
  color: var(--brand-green);
  margin-bottom: 1.8rem;
  display: block;
}

.feature-box h3 {
  font-size: 1.35rem;
  margin-bottom: 1rem;
  color: var(--bg-dark);
}

.feature-box p {
  color: var(--text-dark-secondary);
  font-size: 0.95rem;
}

/* Configurator Widget */
.configurator-wrapper {
  background-color: var(--bg-dark);
  color: var(--text-light);
  border-radius: var(--radius-lg);
  padding: 4rem;
  box-shadow: var(--glass-shadow);
  border: 1px solid var(--glass-border);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
}

.config-preview-panel {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: #1e293b;
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 0 100px rgba(0,0,0,0.6);
  border: 1px solid rgba(255,255,255,0.05);
}

.config-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  mix-blend-mode: normal;
  transition: var(--transition-smooth);
}

/* Frame overlay to tint color */
.config-frame-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  mix-blend-mode: color;
  opacity: 0.75;
  transition: var(--transition-smooth);
  background-color: transparent;
}

/* Glass overlay to tint glass */
.config-glass-overlay {
  position: absolute;
  top: 15%;
  left: 15%;
  width: 70%;
  height: 70%;
  pointer-events: none;
  mix-blend-mode: soft-light;
  opacity: 0.45;
  transition: var(--transition-smooth);
  border-radius: var(--radius-sm);
  background-color: transparent;
}

.glass-specular {
  position: absolute;
  top: 15%;
  left: 15%;
  width: 70%;
  height: 70%;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(255,255,255,0.4) 0%, rgba(255,255,255,0) 50%, rgba(0,0,0,0.1) 100%);
  opacity: 0.55;
  border-radius: var(--radius-sm);
  box-shadow: inset 0 0 20px rgba(255,255,255,0.2);
}

.config-control-panel h3 {
  font-size: 2.2rem;
  margin-bottom: 0.8rem;
  font-weight: 800;
}

.config-control-panel .desc {
  color: var(--text-light-secondary);
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
}

.control-group {
  margin-bottom: 2rem;
}

.control-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent-gold);
  margin-bottom: 1rem;
  display: block;
}

.color-options {
  display: flex;
  gap: 1.2rem;
}

.color-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  position: relative;
  transition: var(--transition-fast);
  border: 3px solid rgba(255,255,255,0.2);
}

.color-btn:hover {
  transform: scale(1.1);
}

.color-btn.active {
  border-color: var(--accent-gold);
  transform: scale(1.15);
}

.color-btn::after {
  content: '';
  position: absolute;
  top: -8px;
  left: -8px;
  right: -8px;
  bottom: -8px;
  border: 1.5px solid transparent;
  border-radius: 50%;
  transition: var(--transition-fast);
}

.color-btn.active::after {
  border-color: var(--accent-gold);
}

/* Specific colors */
.color-white { background-color: #f8fafc; }
.color-oak { background: linear-gradient(45deg, #c27d38, #8c4c16); }
.color-walnut { background: linear-gradient(45deg, #4c2f13, #221204); }
.color-charcoal { background-color: #27272a; }

.glass-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.glass-btn {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1rem;
  border-radius: var(--radius-sm);
  color: var(--text-light);
  cursor: pointer;
  text-align: center;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.glass-btn:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

.glass-btn.active {
  background-color: var(--brand-green);
  border-color: var(--brand-green);
  color: white;
}

.config-summary {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.summary-details h4 {
  font-size: 1.15rem;
  margin-bottom: 0.3rem;
}

.summary-details p {
  color: var(--text-light-secondary);
  font-size: 0.85rem;
}

/* Interactive Catalog / Tabs */
.catalog-tabs {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.tab-btn {
  padding: 0.8rem 2.2rem;
  background-color: white;
  border: 1px solid var(--border-light);
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.tab-btn:hover {
  background-color: var(--bg-light);
}

.tab-btn.active {
  background-color: var(--brand-green);
  border-color: var(--brand-green);
  color: white;
  box-shadow: 0 4px 15px rgba(0, 135, 81, 0.25);
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.catalog-item {
  background-color: white;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.02);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.catalog-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.06);
}

.catalog-img-container {
  height: 250px;
  overflow: hidden;
  position: relative;
  background-color: #f1f5f9;
}

.catalog-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.catalog-item:hover .catalog-img {
  transform: scale(1.08);
}

.item-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background-color: var(--bg-dark);
  color: white;
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
}

.catalog-content {
  padding: 2rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.catalog-content h3 {
  font-size: 1.4rem;
  color: var(--bg-dark);
  margin-bottom: 0.8rem;
}

.catalog-content p {
  color: var(--text-dark-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.catalog-specs {
  display: flex;
  gap: 1rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border-light);
}

.spec-pill {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
}

.spec-pill i {
  color: var(--brand-green);
}

/* uPVC vs Wood vs Aluminum Table */
.comparison-section {
  background-color: var(--bg-dark-secondary);
  color: var(--text-light);
}

.comparison-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 800px;
  background-color: var(--bg-dark);
}

.comparison-table th, .comparison-table td {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--glass-border);
}

.comparison-table th {
  background-color: rgba(0, 0, 0, 0.3);
  font-family: var(--font-secondary);
  font-size: 1.1rem;
  font-weight: 700;
}

.comparison-table th:first-child {
  border-top-left-radius: var(--radius-md);
}

.comparison-table th:last-child {
  border-top-right-radius: var(--radius-md);
}

.comparison-table td:first-child {
  font-weight: 700;
  color: var(--text-light);
}

.comparison-table td {
  color: var(--text-light-secondary);
  font-size: 0.95rem;
}

.highlight-row {
  background-color: rgba(0, 135, 81, 0.08);
}

.comparison-table tr:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

.comparison-table tr.highlight-row:hover {
  background-color: rgba(0, 135, 81, 0.12);
}

.comparison-table td i {
  margin-right: 0.5rem;
}

.icon-check {
  color: #ffffff !important;
  filter: drop-shadow(0 0 3px rgba(255, 255, 255, 0.4));
}

.icon-warn {
  color: #f59e0b;
}

.icon-fail {
  color: #ef4444;
}

/* Gallery filter & grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.gallery-card {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
}

.gallery-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0, 135, 81, 0.85), rgba(0, 0, 0, 0.2));
  opacity: 0;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  color: white;
}

.gallery-card:hover .gallery-img {
  transform: scale(1.1);
}

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

.gallery-overlay h4 {
  font-size: 1.25rem;
  margin-bottom: 0.3rem;
  transform: translateY(15px);
  transition: var(--transition-smooth) 0.1s;
}

.gallery-overlay p {
  font-size: 0.85rem;
  color: var(--text-light-secondary);
  transform: translateY(15px);
  transition: var(--transition-smooth) 0.2s;
}

.gallery-card:hover h4, .gallery-card:hover p {
  transform: translateY(0);
}

/* Testimonials */
.testimonials {
  background-color: var(--bg-light-secondary);
}

.testimonials-slider {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.testimonial-slide {
  text-align: center;
  display: none;
  animation: fadeIn 0.6s ease;
}

.testimonial-slide.active {
  display: block;
}

.testimonial-quote {
  font-size: 1.6rem;
  font-family: var(--font-secondary);
  font-weight: 500;
  color: var(--bg-dark);
  margin-bottom: 2.5rem;
  line-height: 1.5;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.author-img {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--brand-green);
  box-shadow: 0 4px 15px rgba(0,135,81,0.2);
}

.author-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--bg-dark);
}

.author-role {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
}

/* Accordion FAQs & Careers */
.faq-careers-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.accordion-group {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.accordion-item {
  background-color: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition-smooth);
}

.accordion-header {
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  background-color: white;
  transition: var(--transition-fast);
}

.accordion-header h4 {
  font-size: 1.1rem;
  color: var(--bg-dark);
  font-weight: 600;
}

.accordion-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background-color: var(--bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-dark);
  font-size: 0.8rem;
  transition: var(--transition-smooth);
}

.accordion-item.active {
  border-color: rgba(0, 135, 81, 0.25);
  box-shadow: 0 10px 30px rgba(0,0,0,0.03);
}

.accordion-item.active .accordion-header {
  background-color: var(--brand-green-light);
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
  background-color: var(--brand-green);
  color: white;
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.accordion-content {
  padding: 2rem;
  color: var(--text-dark-secondary);
  font-size: 0.95rem;
  border-top: 1px solid var(--border-light);
}

/* Careers specifics */
.job-meta {
  display: flex;
  gap: 1.5rem;
  margin-top: 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--brand-green);
}

.job-meta span {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* Contact form & Details */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.info-item {
  display: flex;
  gap: 1.5rem;
}

.info-icon {
  width: 55px;
  height: 55px;
  border-radius: var(--radius-sm);
  background-color: var(--brand-green-light);
  color: var(--brand-green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.info-details h4 {
  font-size: 1.15rem;
  margin-bottom: 0.4rem;
  color: var(--bg-dark);
}

.info-details p {
  color: var(--text-dark-secondary);
  font-size: 0.95rem;
}

.mock-map {
  height: 250px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: #cbd5e1;
  border: 1.5px solid var(--border-light);
  position: relative;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.5s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  cursor: pointer;
}

.mock-map:hover {
  transform: translateY(-8px) scale(1.01);
  border-color: var(--brand-green-hover) !important;
  box-shadow: 0 20px 40px rgba(8, 61, 47, 0.18) !important;
}

.mock-map-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.2) contrast(1.1);
}

.map-pin {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 45px;
  height: 45px;
  background-color: var(--brand-green);
  border: 4px solid white;
  border-radius: 50% 50% 0 50%;
  transform: translate(-50%, -100%) rotate(-45deg);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px rgba(0,135,81,0.4);
  animation: pulsePin 2s infinite;
}

.map-pin::after {
  content: '';
  width: 14px;
  height: 14px;
  background-color: white;
  border-radius: 50%;
}

@keyframes pulsePin {
  0% { box-shadow: 0 0 0 0 rgba(0, 135, 81, 0.7); }
  70% { box-shadow: 0 0 0 15px rgba(0, 135, 81, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 135, 81, 0); }
}

.contact-form-panel {
  background-color: white;
  padding: 3.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: 0 10px 45px rgba(0,0,0,0.02);
}

.contact-form-panel h3 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  color: var(--bg-dark);
}

.contact-form-panel p {
  color: var(--text-dark-secondary);
  font-size: 0.95rem;
  margin-bottom: 2.5rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group-full {
  grid-column: span 2;
}

.form-group label {
  font-size: 0.8rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-dark-secondary);
}

.form-input {
  background-color: var(--bg-light);
  border: 1px solid var(--border-light);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  color: var(--text-dark);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.form-input:focus {
  border-color: var(--brand-green);
  background-color: white;
  box-shadow: 0 0 0 4px rgba(0, 135, 81, 0.1);
}

textarea.form-input {
  resize: vertical;
  min-height: 120px;
}

/* Modals */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10000;
  background-color: rgba(10, 15, 24, 0.85);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
}

.modal.active {
  opacity: 1;
  pointer-events: all;
}

.modal-content {
  background-color: white;
  width: 100%;
  max-width: 600px;
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: 0 25px 60px rgba(0,0,0,0.3);
  position: relative;
  transform: scale(0.9);
  transition: var(--transition-smooth);
}

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

.close-modal {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition-fast);
}

.close-modal:hover {
  color: var(--bg-dark);
}

.modal-title {
  font-size: 1.8rem;
  color: var(--bg-dark);
  margin-bottom: 1.5rem;
}

/* CRM Client Center Panel */
.crm-panel {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 800px;
  height: 100vh;
  background-color: var(--bg-dark);
  color: var(--text-light);
  z-index: 5000;
  box-shadow: -20px 0 60px rgba(0,0,0,0.5);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.crm-panel.active {
  right: 0;
}

.crm-header {
  padding: 2rem 3rem;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.crm-header h2 {
  font-size: 1.8rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.crm-header h2 i {
  color: var(--brand-green-hover);
}

.crm-close {
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-light-secondary);
}

.crm-close:hover {
  color: white;
}

.crm-tabs {
  display: flex;
  border-bottom: 1px solid var(--glass-border);
  padding: 0 3rem;
}

.crm-tab {
  padding: 1.2rem 2rem;
  cursor: pointer;
  font-weight: 600;
  border-bottom: 3px solid transparent;
  color: var(--text-light-secondary);
  transition: var(--transition-fast);
}

.crm-tab.active {
  border-bottom-color: var(--brand-green);
  color: var(--brand-green-hover);
}

.crm-content {
  flex-grow: 1;
  overflow-y: auto;
  padding: 2.5rem 3rem;
}

.crm-empty {
  text-align: center;
  color: var(--text-muted);
  padding: 4rem 0;
}

.crm-empty i {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.lead-table {
  width: 100%;
  border-collapse: collapse;
}

.lead-table th, .lead-table td {
  padding: 1rem 1.2rem;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  text-align: left;
  font-size: 0.9rem;
}

.lead-table th {
  font-weight: 700;
  color: var(--text-light-secondary);
  background-color: rgba(255,255,255,0.02);
}

.lead-table td {
  color: var(--text-light-secondary);
}

.lead-actions {
  display: flex;
  gap: 0.5rem;
}

.crm-btn-delete {
  background-color: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  cursor: pointer;
}

.crm-btn-delete:hover {
  background-color: #ef4444;
  color: white;
}

/* Floating WhatsApp Widget */
.whatsapp-widget {
  position: fixed;
  bottom: 2.5rem;
  left: 2.5rem;
  z-index: 4000;
}

.whatsapp-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: #25d366;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.whatsapp-btn:hover {
  transform: scale(1.1) rotate(15deg);
}

.whatsapp-popup {
  position: absolute;
  bottom: 80px;
  left: 0;
  width: 320px;
  background-color: white;
  border-radius: var(--radius-md);
  box-shadow: 0 15px 45px rgba(0,0,0,0.15);
  overflow: hidden;
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  pointer-events: none;
  transition: var(--transition-smooth);
}

.whatsapp-widget.active .whatsapp-popup {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: all;
}

.wa-header {
  background-color: #075e54;
  color: white;
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.wa-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.wa-status h4 {
  font-size: 0.95rem;
}

.wa-status p {
  font-size: 0.75rem;
  opacity: 0.85;
}

.wa-body {
  padding: 1.5rem;
  background-color: #e5ddd5;
  min-height: 100px;
}

.wa-chat-bubble {
  background-color: white;
  padding: 0.8rem 1rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) var(--radius-sm);
  font-size: 0.85rem;
  color: var(--text-dark);
  max-width: 90%;
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.wa-footer {
  padding: 1rem 1.25rem;
  background-color: white;
  display: flex;
  gap: 0.5rem;
}

.wa-input {
  flex-grow: 1;
  background-color: var(--bg-light);
  border-radius: 50px;
  padding: 0.6rem 1rem;
  font-size: 0.85rem;
}

.wa-send {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: #075e54;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* Footer Section */
footer {
  background-color: var(--bg-dark);
  color: var(--text-light-secondary);
  padding: 6rem 0 3rem 0;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr 0.9fr 2.1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  font-size: 0.95rem;
  margin: 1.5rem 0;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 1.15rem;
  color: white;
  margin-bottom: 1.8rem;
  position: relative;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: var(--brand-green);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-links a {
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--brand-green-hover);
  padding-left: 0.3rem;
}

.footer-contact-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.2rem;
  font-size: 0.95rem;
}

.footer-contact-item i {
  color: var(--brand-green-hover);
  margin-top: 0.2rem;
}

.footer-bottom {
  padding-top: 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
}

.footer-bottom-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2.5rem;
}

.secret-crm-trigger {
  cursor: pointer;
  transition: var(--transition-fast);
}

.secret-crm-trigger:hover {
  color: var(--brand-green-hover);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Responsive Overrides */
@media (max-width: 1024px) {
  .section-title h2 { font-size: 2.5rem; }
  .configurator-wrapper {
    grid-template-columns: 1fr;
    gap: 3rem;
    padding: 3rem;
  }
  .catalog-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 3rem; }
  
  /* Prevent text from getting hidden or crushed on tablet */
  .slide {
    align-items: center;
    padding-top: 110px;
    padding-bottom: 60px;
  }
  .slide-content h1 {
    font-size: 3.2rem;
  }
  .slide-content p {
    font-size: 1.15rem;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    margin-top: 3rem;
    gap: 1.5rem;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  /* Raised Mobile Navigation drawer trigger to 1024px */
  .top-bar { display: none; }
  .navbar { padding: 1rem 0; }
  .hamburger { display: flex; }
  
  /* Mobile Navigation Backdrop Overlay */
  .nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(10, 15, 24, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 98;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .nav-overlay.active {
    opacity: 1;
    pointer-events: all;
  }
  
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background: rgba(10, 15, 24, 0.95);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    flex-direction: column;
    align-items: flex-start;
    padding: 6.5rem 2.5rem 3rem 2.5rem;
    transition: right 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 99;
    box-shadow: -15px 0 45px rgba(0,0,0,0.6);
    overflow-y: auto;
    border-left: 1px solid rgba(255, 255, 255, 0.08);
  }
  
  .nav-links.active {
    right: 0;
  }
  
  .nav-item {
    width: 100%;
    margin-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  }
  
  .nav-link {
    color: var(--text-light) !important;
    font-size: 1.15rem;
    font-weight: 600;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
  }

  .nav-link i {
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  }
  
  .nav-item.open > .nav-link i {
    transform: rotate(180deg);
    color: var(--accent-gold);
  }

  /* Collapsible Accordion Dropdown on Mobile */
  .dropdown-menu {
    position: static;
    opacity: 0;
    max-height: 0;
    pointer-events: none;
    transform: none;
    background: rgba(255, 255, 255, 0.03);
    border: none;
    box-shadow: none;
    padding: 0;
    margin: 0;
    min-width: 100%;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
    border-radius: var(--radius-sm);
  }

  .nav-item.open > .dropdown-menu {
    opacity: 1;
    max-height: 500px;
    pointer-events: all;
    padding: 0.5rem 0;
    margin-bottom: 0.8rem;
  }
  
  .dropdown-item {
    padding: 0.75rem 1.25rem;
    color: var(--text-light-secondary);
    font-size: 0.95rem;
  }
  
  .dropdown-item:hover, .dropdown-item:active {
    color: #ffffff !important;
    background-color: rgba(255, 255, 255, 0.08) !important;
    padding-left: 1.5rem;
  }
}

@media (max-width: 768px) {
  /* Spacing for mobile slider content to clear header */
  .slide {
    align-items: center;
    padding-top: 100px;
    padding-bottom: 60px;
  }
  
  .slide-content h1 {
    font-size: 2.6rem;
  }
  
  .slide-content p {
    font-size: 1.05rem;
    margin-bottom: 2rem;
  }
  
  .testimonial-quote {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    margin-top: 0;
    padding: 3rem 0 0 0;
    gap: 1.2rem;
  }
  
  .features-grid { grid-template-columns: 1fr; }
  
  /* Collapse grids to 1 column at 768px for clean mobile reading */
  .catalog-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  
  .faq-careers-grid { grid-template-columns: 1fr; gap: 3rem; }
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .form-grid { grid-template-columns: 1fr; }
  .form-group-full { grid-column: span 1; }
  .contact-form-panel { padding: 2rem; }
  .footer-bottom { flex-direction: column; gap: 1.5rem; text-align: center; }
}

@media (max-width: 480px) {
  .slide {
    align-items: center;
    padding-top: 90px;
    padding-bottom: 50px;
  }
  .slide-content h1 {
    font-size: 2.1rem !important;
    line-height: 1.25 !important;
    margin-bottom: 1rem !important;
  }
  .slide-content p {
    font-size: 0.95rem !important;
    margin-bottom: 1.5rem !important;
  }
  .hero-actions {
    flex-direction: column;
    gap: 0.8rem;
    width: 100%;
  }
  .hero-actions .btn {
    width: 100%;
    padding: 0.8rem 1.5rem !important;
  }
  .stats-grid { grid-template-columns: 1fr; }
  .configurator-wrapper { padding: 1.5rem; }
  .glass-options { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  
  /* Fluid typography scaling on small screens to avoid awkward wraps */
  .section-title h2 {
    font-size: 1.8rem !important;
  }
  .subpage-section-title {
    font-size: 1.6rem !important;
  }
}

/* ==========================================
   10. Centralized Technical Drawing & CAD Blueprint Styles
   ========================================== */
.blueprint-card {
  background-color: #0b0f19;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--glass-shadow);
  position: relative;
  overflow: hidden;
}

.blueprint-grid-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 20px 20px;
  pointer-events: none;
}

.cad-canvas {
  width: 100%;
  height: auto;
  max-height: 450px;
  display: block;
  margin: 0 auto;
}

.cad-part {
  stroke-width: 1.5;
  cursor: pointer;
  transition: var(--transition-fast);
}

.cad-part:hover {
  stroke: var(--accent-gold) !important;
  stroke-width: 3px !important;
  fill: rgba(255, 255, 255, 0.12) !important;
  filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.4));
}

.cad-dimension {
  stroke: #475569;
  stroke-width: 1;
  stroke-dasharray: 2 2;
}

.cad-dim-text {
  fill: var(--accent-gold);
  font-size: 11px;
  font-weight: 600;
  font-family: monospace;
}

.part-detail-box {
  background: rgba(11, 15, 25, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  margin-top: 1.5rem;
  color: var(--text-light-secondary);
  transition: var(--transition-fast);
}

.spec-table-card {
  background: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.01);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
}

.spec-table td, .spec-table th {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-light);
  text-align: left;
}

.spec-table tr:last-child td {
  border-bottom: none;
}

.spec-table td:first-child {
  font-weight: 700;
  color: var(--bg-dark);
  width: 40%;
}

.spec-table td:last-child {
  color: var(--text-dark-secondary);
}

/* Zebra striping for premium look */
.spec-table tr:nth-child(even) {
  background-color: rgba(255, 255, 255, 0.02);
}

.spec-table tr:hover {
  background-color: rgba(255, 255, 255, 0.05);
  transition: var(--transition-fast);
}

.brand-heading-luxury {
  font-family: var(--font-brand);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

/* ==========================================
   11. Responsive Layout & Subpage Typography System
   ========================================== */
.subpage-hero-title {
  font-family: var(--font-accent);
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.15;
  margin: 1rem 0;
  letter-spacing: -0.02em;
}

.subpage-hero-desc {
  color: var(--text-light-secondary);
  font-size: 1.2rem;
  font-weight: 300;
  margin-bottom: 2rem;
}

.subpage-section-title {
  font-family: var(--font-accent);
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--bg-dark);
  letter-spacing: -0.01em;
}

.subpage-section-desc {
  color: var(--text-dark-secondary);
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

/* Responsive adjustments for subpages */
@media (max-width: 1024px) {
  .subpage-hero-title {
    font-size: 2.8rem;
  }
  .subpage-hero-desc {
    font-size: 1.1rem;
  }
  .subpage-section-title {
    font-size: 2.2rem;
  }
}

@media (max-width: 768px) {
  .subpage-hero-title {
    font-size: 2.2rem;
  }
  .subpage-hero-desc {
    font-size: 1rem;
    margin-bottom: 1.5rem;
  }
  .subpage-section-title {
    font-size: 1.8rem;
    margin-bottom: 1rem;
  }
}

/* ==========================================
   12. Centralized Product Preview Card System
   ========================================== */
.product-preview-card {
  position: relative;
  width: 100%;
  max-width: 480px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 4px solid var(--brand-green);
  box-shadow: var(--glass-shadow);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.5s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  background: #000;
}

.product-preview-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: calc(var(--radius-md) - 3px);
  z-index: 2;
  pointer-events: none;
  transition: border-color 0.4s ease;
}

.product-preview-card:hover {
  transform: translateY(-10px) scale(1.03);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.7), 0 0 40px rgba(255, 255, 255, 0.3);
  border-color: var(--brand-green-hover);
}

.product-preview-card:hover::before {
  border-color: var(--accent-gold);
}

.product-preview-img-container {
  width: 100%;
  height: 380px;
  overflow: hidden;
  position: relative;
}

.product-preview-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.product-preview-card:hover img {
  transform: scale(1.1);
}

/* Beautiful light shimmer animation sweep representing pristine glazing */
.product-preview-img-container::after {
  content: '';
  position: absolute;
  top: 0;
  left: -75%;
  width: 50%;
  height: 100%;
  background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.2) 50%, rgba(255,255,255,0) 100%);
  transform: skewX(-25deg);
  transition: 0.85s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
  z-index: 3;
}

.product-preview-card:hover .product-preview-img-container::after {
  left: 125%;
}

/* Floating split architectural plaque design */
.product-preview-overlay {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  right: 1.25rem;
  background: rgba(10, 15, 24, 0.85);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 4;
}

.product-preview-card:hover .product-preview-overlay {
  background: rgba(8, 61, 47, 0.9);
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6);
  transform: translateY(-2px);
}

.product-preview-text {
  text-align: left;
}

.product-preview-text h4 {
  color: white;
  font-size: 1rem;
  margin-bottom: 0.25rem;
  font-family: var(--font-secondary);
  font-weight: 700;
  letter-spacing: 0.03em;
  transition: color 0.3s ease;
}

.product-preview-card:hover .product-preview-text h4 {
  color: var(--accent-gold);
}

.product-preview-text p {
  color: var(--text-light-secondary);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.01em;
}

.product-preview-badge {
  background: rgba(255, 255, 255, 0.15);
  color: var(--accent-gold);
  border: 1px solid rgba(255, 255, 255, 0.4);
  font-size: 0.72rem;
  font-weight: 800;
  padding: 0.5rem 1rem;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.product-preview-card:hover .product-preview-badge {
  background: var(--brand-green-hover);
  color: white;
  border-color: var(--brand-green-hover);
  box-shadow: 0 4px 15px rgba(12, 111, 86, 0.4);
  transform: scale(1.05);
}

/* ==========================================
   13. Robust Global Responsive Refinements
   ========================================== */
@media (max-width: 1024px) {
  .product-preview-img-container {
    height: 320px; /* Scaled down height on tablet for perfect aspect ratio */
  }
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr; /* Switch to 2 columns on tablet */
    gap: 2.5rem;
  }
  
  .product-preview-card {
    max-width: 100%; /* Occupy full flex width when stacked */
  }
  
  .product-preview-img-container {
    height: 300px;
  }
  
  .blueprint-card {
    padding: 1.8rem; /* Squeezed padding for drawing space */
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr; /* Stack footer to 1 column on phone */
    gap: 2rem;
  }

  .product-preview-img-container {
    height: 240px; /* Compact image height on small phones */
  }

  .product-preview-overlay {
    bottom: 0.8rem;
    left: 0.8rem;
    right: 0.8rem;
    padding: 1rem; /* Compact padding for floating plaque */
  }

  .product-preview-text h4 {
    font-size: 0.9rem;
  }

  .product-preview-text p {
    font-size: 0.72rem;
  }

  .product-preview-badge {
    font-size: 0.65rem;
    padding: 0.4rem 0.8rem;
  }

  .blueprint-card {
    padding: 1rem; /* Minimal padding to maximize interactive SVG drawing area */
  }

  .subpage-hero-title {
    font-size: 1.8rem; /* Fluid title scaling for small mobile screens */
  }

  .spec-table-card {
    padding: 1.2rem; /* Streamlined spec table padding */
  }

  .spec-table td, .spec-table th {
    padding: 0.8rem 0.6rem;
    font-size: 0.85rem; /* Highly legible scale on mobile */
  }
}

/* ==========================================
   14. Premium Visual Enhancements & Dark Icon Visibility Accents
   ========================================== */

/* Ken Burns Parallax Panning effect on active hero slider backgrounds */
.slide-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.35) contrast(1.05);
  transform: scale(1.15) translate(0px, 0px);
  transition: transform 8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.slide.active .slide-bg {
  transform: scale(1.03) translate(8px, -5px);
}

/* Glass gold-dust shimmer reflections sweep on interactive items */
.btn {
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  transition: all 0.65s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1;
}

.btn:hover::after {
  left: 100%;
}

/* Global Luminous Accents for Icons inside Dark Theme Areas (Fixes low contrast green-on-black) */
.top-bar-item i {
  color: var(--accent-gold) !important;
  margin-right: 0.4rem;
  font-size: 0.95rem;
  filter: drop-shadow(0 0 4px rgba(255, 255, 255, 0.3));
}

.footer-contact-item i {
  color: var(--accent-gold) !important;
  margin-top: 0.25rem;
  filter: drop-shadow(0 0 4px rgba(255, 255, 255, 0.4));
}

.footer-contact-item strong {
  color: var(--text-light) !important;
}

/* Benefits features box icons on dark backgrounds */
.feature-box i {
  font-size: 2.3rem;
  color: var(--accent-gold) !important; /* Premium gold glow */
  margin-bottom: 1.8rem;
  display: block;
  transition: var(--transition-smooth);
  filter: drop-shadow(0 0 6px rgba(255, 255, 255, 0.2));
}

.feature-box:hover i {
  color: var(--accent-gold-hover) !important;
  transform: scale(1.1) rotate(6deg);
  filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.5));
}

/* Spec tables and blue print icons visibility inside subpages */
.spec-pill i {
  color: var(--accent-gold) !important;
  filter: drop-shadow(0 0 3px rgba(255, 255, 255, 0.3));
}

.part-detail-box i {
  color: var(--accent-gold) !important;
}

/* Beautiful staggered fades for hero slider texts */
.slide-content h1 {
  transform: translateY(30px);
  opacity: 0;
  transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.2s, opacity 1.2s ease 0.2s;
}

.slide-content p {
  transform: translateY(20px);
  opacity: 0;
  transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.4s, opacity 1.2s ease 0.4s;
}

.slide-content .hero-actions {
  transform: translateY(15px);
  opacity: 0;
  transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.6s, opacity 1.2s ease 0.6s;
}

.slide.active .slide-content h1,
.slide.active .slide-content p,
.slide.active .slide-content .hero-actions {
  transform: translateY(0);
  opacity: 1;
}

/* Perfecting custom scrollbar to match luxury aesthetics */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--brand-green);
  border: 2px solid var(--bg-dark);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-gold);
}


/* ==========================================
   15. Advanced High-Contrast Color Safeguards & Premium Overrides (White-Accent Mode)
   ========================================== */

/* Safeguard .serif-italic: Green on light backgrounds, white on dark backgrounds */
.serif-italic {
  color: var(--brand-green-hover) !important;
}

.hero .serif-italic,
.hero-slider .serif-italic,
.slide-content .serif-italic,
.subpage-hero-title .serif-italic,
.subpage-main > section:first-of-type .serif-italic,
.comparison-section .serif-italic,
.bg-dark .serif-italic,
.bg-dark-secondary .serif-italic,
footer .serif-italic,
.footer-brand .serif-italic {
  color: #ffffff !important;
}

/* Safeguard Benefits feature box icons: Green on light, White on dark */
.feature-box i {
  color: var(--brand-green) !important;
  transition: var(--transition-smooth);
}

.feature-box:hover i {
  color: var(--brand-green-hover) !important;
}

.bg-dark .feature-box i,
.bg-dark-secondary .feature-box i {
  color: #ffffff !important;
  filter: drop-shadow(0 0 6px rgba(255, 255, 255, 0.4));
}

.bg-dark .feature-box:hover i,
.bg-dark-secondary .feature-box:hover i {
  color: var(--accent-gold-hover) !important;
  filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.7));
}

/* Safeguard stat-icon: Green backgrounds for premium contrast on light cards */
.stat-icon {
  background-color: var(--brand-green-light) !important;
  color: var(--brand-green) !important;
  transition: var(--transition-smooth);
}

.stat-card:hover .stat-icon {
  background-color: var(--brand-green) !important;
  color: #ffffff !important;
  transform: scale(1.1);
  box-shadow: 0 5px 15px rgba(8, 61, 47, 0.25);
}

/* Safeguard spec pills inside white catalog cards: green icons */
.spec-pill i {
  color: var(--brand-green) !important;
}

/* Safeguard dark blueprint details: pop white icons */
.part-detail-box i {
  color: #ffffff !important;
}

.product-preview-badge {
  background: rgba(255, 255, 255, 0.12) !important;
  color: #ffffff !important;
  border: 1px solid rgba(255, 255, 255, 0.25) !important;
}

/* Premium white glazing shimmer reflection overlays */
.product-preview-overlay {
  border: 1px solid rgba(255, 255, 255, 0.15) !important;
}

.product-preview-card:hover .product-preview-overlay {
  border-color: rgba(255, 255, 255, 0.35) !important;
}

/* ==========================================
   16. Ultimate Architectural Luxury Visual Enhancements
   ========================================== */



/* Glassmorphic Visualizer Wrapper Overrides */
.configurator-wrapper {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(8, 12, 21, 0.98)) !important;
  border: 1px solid rgba(255, 255, 255, 0.08) !important;
  box-shadow: 0 35px 80px rgba(0, 0, 0, 0.65), 0 0 30px rgba(0, 135, 81, 0.05) !important;
}

.config-preview-panel {
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  box-shadow: inset 0 0 50px rgba(0,0,0,0.85), 0 15px 35px rgba(0,0,0,0.5) !important;
}

/* Configurator Color buttons outer active halo */
.color-btn.active::after {
  border-color: #ffffff !important;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.95) !important;
}

/* Glass Floating Sticky Header scrolled state adjustments */
header.scrolled .navbar {
  background: rgba(255, 255, 255, 0.92) !important;
  backdrop-filter: blur(25px) !important;
  -webkit-backdrop-filter: blur(25px) !important;
  border-bottom: 1px solid rgba(8, 61, 47, 0.08) !important;
  box-shadow: 0 15px 40px rgba(8, 61, 47, 0.04) !important;
}

/* Material comparison table rows 3D interactive highlight lift on hover */
.comparison-table tr {
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.3s ease;
}

.comparison-table tr:hover {
  background-color: rgba(255, 255, 255, 0.04) !important;
  transform: scale(1.01);
  box-shadow: 0 10px 25px rgba(0,0,0,0.4);
}

.comparison-table tr.highlight-row:hover {
  background-color: rgba(0, 135, 81, 0.15) !important;
}

/* Catalog Card Lift-and-Glow hovering refinements */
.catalog-item {
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.6s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.4s ease;
}

.catalog-item:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: 0 30px 60px rgba(8, 61, 47, 0.06), 0 0 30px rgba(0, 135, 81, 0.02) !important;
  border-color: rgba(8, 61, 47, 0.15) !important;
}



/* ==========================================
   17. Advanced Fluid Responsiveness Refinements (Every Device)
   ========================================== */

/* Catalog grid collapses to single column on medium/vertical tablets below 680px */
@media (max-width: 680px) {
  .catalog-grid {
    grid-template-columns: 1fr !important;
    gap: 2rem !important;
  }
  .gallery-grid {
    grid-template-columns: 1fr !important;
    gap: 1.5rem !important;
  }
}

/* Footer layout transitions cleanly to single column below 580px to prevent showroom address squeezing */
@media (max-width: 580px) {
  .footer-grid {
    grid-template-columns: 1fr !important;
    gap: 2.2rem !important;
  }
  .footer-col {
    width: 100% !important;
  }
}

/* Material comparison table compact cells and labels on mobile views */
@media (max-width: 768px) {
  .comparison-table th, .comparison-table td {
    padding: 1rem 0.8rem !important;
    font-size: 0.82rem !important;
  }
}

@media (max-width: 480px) {
  .comparison-table th, .comparison-table td {
    padding: 0.8rem 0.5rem !important;
    font-size: 0.78rem !important;
  }
}

/* ==========================================
   18. Advanced Architectural Aesthetics & CAD Grid Details
   ========================================== */

/* Cinematic CAD grid coordinates overlay for the homepage Hero slider */
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 2;
  mix-blend-mode: overlay;
}

/* Dynamic sliding colored top bar micro-interactions on uPVC benefits feature boxes */
.feature-box {
  position: relative;
  overflow: hidden;
}

.feature-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--brand-green-hover), transparent);
  transition: left 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.feature-box:hover::before {
  left: 100%;
}

/* If inside a dark section, make the sliding hover line white for absolute contrast */
.bg-dark .feature-box::before,
.bg-dark-secondary .feature-box::before {
  background: linear-gradient(90deg, transparent, #ffffff, transparent) !important;
}