/* ============================================
   DABAN SURFACES - Main Stylesheet
   Premium Sintered Stone B2B Website
   Enhanced Version - BIGCC-aligned
   ============================================ */

/* CSS Variables */
:root {
  --color-primary: #1a1a2e;
  --color-primary-light: #2d2d4a;
  --color-gold: #c9a96e;
  --color-gold-light: #d4b87a;
  --color-gold-dark: #b8954d;
  --color-white: #ffffff;
  --color-light-gray: #f5f5f5;
  --color-medium-gray: #e0e0e0;
  --color-dark-gray: #666666;
  --color-text: #333333;
  --color-text-light: #666666;
  
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 5rem;
  
  --border-radius: 4px;
  --border-radius-lg: 8px;
  --border-radius-xl: 16px;
  --transition: all 0.3s ease;
  --transition-slow: all 0.5s ease;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.2);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

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

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

ul, ol {
  list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p {
  margin-bottom: 1rem;
}

.text-gold {
  color: var(--color-gold);
}

/* Container */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Section Spacing */
section {
  padding: var(--spacing-xxl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-header .subtitle {
  color: var(--color-gold);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: var(--spacing-sm);
  display: inline-block;
}

.section-header h2 {
  margin-bottom: var(--spacing-sm);
}

.section-header .description {
  color: var(--color-text-light);
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.125rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
}

.btn-primary {
  background: var(--color-gold);
  color: var(--color-primary);
  border-color: var(--color-gold);
}

.btn-primary:hover {
  background: var(--color-gold-light);
  border-color: var(--color-gold-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(201, 169, 110, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn-secondary:hover {
  background: var(--color-white);
  color: var(--color-primary);
}

.btn-outline {
  background: transparent;
  color: var(--color-gold);
  border-color: var(--color-gold);
}

.btn-outline:hover {
  background: var(--color-gold);
  color: var(--color-primary);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: var(--color-white);
  box-shadow: var(--shadow);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-white);
  transition: var(--transition);
}

.navbar.scrolled .logo-text {
  color: var(--color-primary);
}

.logo-text span {
  color: var(--color-gold);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  color: var(--color-white);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: var(--transition);
  position: relative;
}

.navbar.scrolled .nav-links a {
  color: var(--color-text);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-gold);
  transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  margin-left: 1rem;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.mobile-toggle span {
  width: 25px;
  height: 2px;
  background: var(--color-white);
  transition: var(--transition);
}

.navbar.scrolled .mobile-toggle span {
  background: var(--color-primary);
}

/* Page Hero (Sub-pages) */
.page-hero {
  min-height: 320px;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(135deg, var(--color-primary) 0%, #2d2d4a 50%, var(--color-primary) 100%);
  overflow: hidden;
  padding: 8rem 0 4rem;
}

.page-hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(26, 26, 46, 0.9) 0%, rgba(45, 45, 74, 0.8) 50%, rgba(26, 26, 46, 0.9) 100%);
  z-index: 0;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero-content {
  max-width: 700px;
}

.page-hero-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 1rem;
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.page-hero h1 em {
  font-style: italic;
  color: var(--color-gold);
}

.page-hero-subtitle {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.6;
  max-width: 600px;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(135deg, var(--color-primary) 0%, #2d2d4a 50%, #1a1a2e 100%);
  background-image: url('../images/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(26, 26, 46, 0.85) 0%, rgba(45, 45, 74, 0.7) 50%, rgba(26, 26, 46, 0.85) 100%);
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: var(--spacing-xxl) 0;
}

.hero-badge {
  display: inline-block;
  padding: 0.5rem 1.5rem;
  background: rgba(201, 169, 110, 0.2);
  border: 1px solid var(--color-gold);
  border-radius: 50px;
  color: var(--color-gold);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 0.8s ease;
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  line-height: 1.1;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
  animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: var(--spacing-xxl);
  animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
  animation: fadeInUp 0.8s ease 0.8s both;
}

.stat-item {
  text-align: center;
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(201, 169, 110, 0.2);
  border-radius: var(--border-radius-lg);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.stat-item:hover {
  background: rgba(201, 169, 110, 0.1);
  border-color: rgba(201, 169, 110, 0.4);
  transform: translateY(-4px);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-gold);
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.animate-fade-in {
  animation: fadeInUp 0.6s ease forwards;
}

/* Product Categories Section */
.categories {
  background: var(--color-white);
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-md);
}

.category-card {
  background: var(--color-white);
  border: 1px solid var(--color-medium-gray);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
}

.category-card:hover {
  border-color: var(--color-gold);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.category-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-md);
  background: linear-gradient(135deg, var(--color-primary) 0%, #2d2d4a 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold);
  font-size: 1.5rem;
  transition: var(--transition);
}

.category-card:hover .category-icon {
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
  color: var(--color-primary);
}

.category-card h4 {
  margin-bottom: var(--spacing-xs);
}

.category-card p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.category-link {
  color: var(--color-gold);
  font-size: 0.875rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.category-link:hover {
  gap: 0.75rem;
}

/* Application Spaces Section */
.application-spaces {
  background: var(--color-light-gray);
}

.application-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
}

.application-category h3 {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.application-category h3 svg {
  color: var(--color-gold);
}

.application-items {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.application-item {
  position: relative;
  height: 250px;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  background-color: var(--color-primary);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.application-item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26, 26, 46, 0.7) 0%, rgba(26, 26, 46, 0.4) 100%);
  transition: var(--transition);
}

.application-item:hover::before {
  background: linear-gradient(135deg, rgba(201, 169, 110, 0.3) 0%, rgba(26, 26, 46, 0.5) 100%);
}

.application-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-md);
  color: var(--color-white);
  transform: translateY(20px);
  transition: var(--transition);
}

.application-item:hover .application-overlay {
  transform: translateY(0);
}

.application-overlay h4 {
  color: var(--color-white);
  font-size: 1.125rem;
  margin-bottom: 0.25rem;
}

.application-overlay p {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0;
}

/* Why DABAN Section */
.why-daban {
  background: var(--color-white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.feature-card {
  background: var(--color-light-gray);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid transparent;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-gold);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
  font-size: 1.5rem;
}

.feature-card h4 {
  margin-bottom: var(--spacing-sm);
}

.feature-card p {
  color: var(--color-text-light);
  font-size: 0.9375rem;
  margin-bottom: 0;
}

/* Product Showcase */
.products-showcase {
  background: var(--color-light-gray);
}

.products-slider {
  display: flex;
  gap: var(--spacing-md);
  overflow-x: auto;
  padding: var(--spacing-md) 0;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.products-slider::-webkit-scrollbar {
  height: 6px;
}

.products-slider::-webkit-scrollbar-track {
  background: var(--color-light-gray);
  border-radius: 3px;
}

.products-slider::-webkit-scrollbar-thumb {
  background: var(--color-gold);
  border-radius: 3px;
}

.product-card {
  flex: 0 0 300px;
  scroll-snap-align: start;
  background: var(--color-white);
  border: 1px solid var(--color-medium-gray);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.product-card:hover {
  border-color: var(--color-gold);
  box-shadow: var(--shadow-lg);
}

.product-image {
  position: relative;
  height: 240px;
  background-color: var(--color-light-gray);
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

/* Product Image Background Classes - kept for compatibility */
.product-image.bg-calacatta-gold,
.product-image.bg-statuario,
.product-image.bg-nero-marquina,
.product-image.bg-travertine,
.product-image.bg-carrara,
.product-image.bg-sahara,
.product-image.bg-emperador {
  background-size: cover;
  background-position: center;
}

/* Micro-carved Wall Panel Series - DABAN HIGH-END */
/* Background image classes removed - now using img tags */

.product-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(26, 26, 46, 0.1) 100%);
  pointer-events: none;
  transition: var(--transition);
}

.product-card:hover .product-image::after {
  background: linear-gradient(to bottom, transparent 30%, rgba(26, 26, 46, 0.3) 100%);
}

/* Product Hover Info */
.product-hover-info {
  position: absolute;
  inset: 0;
  background: rgba(26, 26, 46, 0.9);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 10;
}

.product-card:hover .product-hover-info {
  opacity: 1;
  visibility: visible;
}

.product-card:hover .product-image {
  transform: scale(1.05);
}

.quick-view-btn {
  background: var(--color-white);
  color: var(--color-primary);
  border: none;
  padding: 0.5rem 1.5rem;
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.quick-view-btn:hover {
  background: var(--color-gold);
}

.product-badge {
  position: absolute;
  top: var(--spacing-sm);
  left: var(--spacing-sm);
  background: var(--color-gold);
  color: var(--color-primary);
  font-size: 0.625rem;
  font-weight: 700;
  padding: 0.25rem 0.5rem;
  border-radius: 2px;
  text-transform: uppercase;
  letter-spacing: 1px;
  z-index: 5;
}

.product-info {
  padding: var(--spacing-md);
}

.product-code {
  font-size: 0.75rem;
  color: var(--color-gold);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.product-info h4 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.product-specs {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-gold);
  font-size: 0.8125rem;
  font-weight: 600;
}

/* Custom Solutions Section */
.custom-solutions {
  background: var(--color-primary);
  color: var(--color-white);
}

.custom-solutions .section-header .subtitle {
  color: var(--color-gold-light);
}

.custom-solutions .section-header h2 {
  color: var(--color-white);
}

.custom-solutions .section-header .description {
  color: rgba(255, 255, 255, 0.7);
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
}

.solution-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  transition: var(--transition);
}

.solution-card:hover {
  background: rgba(201, 169, 110, 0.1);
  border-color: var(--color-gold);
  transform: translateY(-4px);
}

.solution-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-md);
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.solution-card h4 {
  color: var(--color-white);
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.solution-card p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.8125rem;
  margin-bottom: 0;
}

/* Projects Section */
.projects-section {
  background: var(--color-white);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.project-card {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  background-color: var(--color-primary);
  background-size: cover;
  background-position: center;
  cursor: pointer;
}

.project-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26, 26, 46, 0.95) 0%, rgba(26, 26, 46, 0.3) 50%, transparent 100%);
  z-index: 1;
  transition: var(--transition);
}

.project-card:hover::before {
  background: linear-gradient(to top, rgba(26, 26, 46, 0.98) 0%, rgba(26, 26, 46, 0.5) 100%);
}

.project-expand-btn {
  position: absolute;
  bottom: var(--spacing-md);
  right: var(--spacing-md);
  background: var(--color-gold);
  color: var(--color-primary);
  border: none;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  z-index: 10;
  opacity: 0;
  transform: translateY(10px);
  transition: var(--transition);
}

.project-card:hover .project-expand-btn {
  opacity: 1;
  transform: translateY(0);
}

.project-expand-btn:hover {
  background: var(--color-gold-light);
}

.project-tags {
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-md);
  display: flex;
  gap: 0.5rem;
  z-index: 5;
}

.project-tag {
  background: rgba(201, 169, 110, 0.9);
  color: var(--color-primary);
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.project-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-lg);
  z-index: 5;
}

.project-card h4 {
  color: var(--color-white);
  margin-bottom: 0.5rem;
  font-size: 1.25rem;
}

.project-card p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  margin-bottom: 0;
}

/* Full-Service Section */
.full-service {
  background: var(--color-light-gray);
}

.service-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.service-card-enhanced {
  background: var(--color-white);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 2px solid transparent;
}

.service-card-enhanced:hover {
  border-color: var(--color-gold);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.service-card-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-medium-gray);
}

.service-icon-wrapper {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--color-primary) 0%, #2d2d4a 100%);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold);
  flex-shrink: 0;
}

.service-card-header h3 {
  font-size: 1.25rem;
  margin-bottom: 0;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text);
  font-size: 0.9375rem;
}

.service-features li svg {
  color: var(--color-gold);
  flex-shrink: 0;
}

/* Testimonials */
.testimonials {
  background: var(--color-primary);
}

.testimonials .section-header h2,
.testimonials .section-header .description {
  color: var(--color-white);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-lg);
}

.testimonial-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  transition: var(--transition);
}

.testimonial-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(201, 169, 110, 0.3);
}

.testimonial-stars {
  display: flex;
  gap: 0.25rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-gold);
}

.testimonial-content {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 1.125rem;
}

.author-info h5 {
  color: var(--color-white);
  font-size: 0.9375rem;
  margin-bottom: 0.125rem;
}

.author-info span {
  color: var(--color-gold);
  font-size: 0.8125rem;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, #2d2d4a 100%);
  text-align: center;
  padding: var(--spacing-xxl) 0;
}

.cta-section h2 {
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.cta-section p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.125rem;
  margin-bottom: var(--spacing-lg);
}

/* Footer */
.footer {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-brand .logo {
  margin-bottom: var(--spacing-md);
}

.footer-brand .logo-text {
  color: var(--color-white);
}

.footer-brand p {
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

.footer-social {
  display: flex;
  gap: var(--spacing-sm);
}

.footer-social a {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-primary);
}

.footer-column h5 {
  color: var(--color-white);
  font-size: 1rem;
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  font-size: 0.9375rem;
  transition: var(--transition);
}

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

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font-size: 0.9375rem;
}

.footer-bottom {
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
}

.footer-bottom-links {
  display: flex;
  gap: var(--spacing-md);
}

/* WhatsApp Float Button */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.75rem;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: var(--transition);
  cursor: pointer;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-tooltip {
  position: absolute;
  right: 70px;
  background: var(--color-white);
  color: var(--color-text);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  white-space: nowrap;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
  visibility: visible;
}

/* Page Header */
.page-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, #2d2d4a 100%);
  padding: 10rem 0 4rem;
  text-align: center;
}

.page-header h1 {
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

.breadcrumb a {
  color: var(--color-gold);
}

.breadcrumb a:hover {
  text-decoration: underline;
}

/* Products Page */
.filters-section {
  background: var(--color-light-gray);
  padding: var(--spacing-lg) 0;
  position: sticky;
  top: 80px;
  z-index: 100;
}

.filters-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  align-items: center;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-group label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text);
}

.filter-group select {
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-medium-gray);
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  background: var(--color-white);
  cursor: pointer;
  min-width: 150px;
}

.filter-group select:focus {
  outline: none;
  border-color: var(--color-gold);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.products-section {
  background: var(--color-white);
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: var(--spacing-xl);
}

.pagination button {
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-medium-gray);
  background: var(--color-white);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
}

.pagination button:hover,
.pagination button.active {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-primary);
}

/* Product Detail Expand */
.product-detail-expand {
  grid-column: 1 / -1;
  background: var(--color-light-gray);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  margin-top: var(--spacing-md);
  display: none;
}

.product-detail-expand.active {
  display: block;
  animation: fadeInUp 0.4s ease;
}

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

.product-specs-table th,
.product-specs-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-medium-gray);
}

.product-specs-table th {
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.product-specs-table td {
  font-size: 0.875rem;
  color: var(--color-text);
}

.product-specs-table tr:last-child th,
.product-specs-table tr:last-child td {
  border-bottom: none;
}

/* About Page */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.about-text h2 {
  margin-bottom: var(--spacing-md);
}

.about-text p {
  color: var(--color-text-light);
  line-height: 1.8;
}

.timeline {
  position: relative;
  padding-left: var(--spacing-xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-gold);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--spacing-lg);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--spacing-xl) - 5px);
  top: 0;
  width: 12px;
  height: 12px;
  background: var(--color-gold);
  border-radius: 50%;
}

.timeline-year {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--color-gold);
  margin-bottom: 0.25rem;
}

.timeline-item h4 {
  margin-bottom: 0.25rem;
}

.timeline-item p {
  color: var(--color-text-light);
  font-size: 0.9375rem;
  margin-bottom: 0;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
}

.stat-card {
  background: var(--color-white);
  border: 1px solid var(--color-medium-gray);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  transition: var(--transition);
}

.stat-card:hover {
  border-color: var(--color-gold);
  box-shadow: var(--shadow);
}

.stat-card .stat-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-gold);
  margin-bottom: 0.25rem;
}

.stat-card .stat-label {
  font-size: 0.9375rem;
  color: var(--color-text);
  font-weight: 500;
}

/* Certifications */
.certifications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-md);
}

.cert-badge {
  background: var(--color-light-gray);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  text-align: center;
  transition: var(--transition);
}

.cert-badge:hover {
  background: var(--color-white);
  box-shadow: var(--shadow);
}

.cert-badge-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--spacing-sm);
  background: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold);
  font-size: 1.5rem;
  font-weight: 700;
}

.cert-badge span {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text);
}

/* Quality Comparison Table */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.comparison-table th,
.comparison-table td {
  padding: var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--color-medium-gray);
}

.comparison-table th {
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
}

.comparison-table th:first-child {
  color: var(--color-gold);
}

.comparison-table tr:hover {
  background: var(--color-light-gray);
}

.comparison-table .highlight {
  color: var(--color-gold);
  font-weight: 700;
}

/* Blog Page */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.blog-card {
  background: var(--color-white);
  border: 1px solid var(--color-medium-gray);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.blog-card:hover {
  border-color: var(--color-gold);
  box-shadow: var(--shadow);
}

.blog-image {
  height: 200px;
  background: linear-gradient(135deg, var(--color-primary) 0%, #2d2d4a 100%);
  position: relative;
}

.blog-category {
  position: absolute;
  top: var(--spacing-sm);
  left: var(--spacing-sm);
  background: var(--color-gold);
  color: var(--color-primary);
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 2px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.blog-content {
  padding: var(--spacing-lg);
}

.blog-meta {
  display: flex;
  gap: var(--spacing-md);
  font-size: 0.8125rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.blog-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
}

.blog-card h3 a:hover {
  color: var(--color-gold);
}

.blog-excerpt {
  color: var(--color-text-light);
  font-size: 0.9375rem;
  margin-bottom: var(--spacing-md);
}

.blog-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-gold);
  font-weight: 600;
  font-size: 0.875rem;
}

/* Blog Article */
.blog-article {
  max-width: 800px;
  margin: 0 auto;
}

.article-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.article-meta {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.article-content {
  font-size: 1.0625rem;
  line-height: 1.8;
}

.article-content h2 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  font-size: 1.75rem;
}

.article-content h3 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  font-size: 1.375rem;
}

.article-content p {
  margin-bottom: var(--spacing-md);
}

.article-content ul,
.article-content ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

.article-content li {
  margin-bottom: 0.5rem;
  list-style: disc;
}

/* Contact Page */
.contact-section {
  background: var(--color-white);
  padding: var(--spacing-xxl) 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-xl);
}

.contact-info {
  background: var(--color-primary);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-xl);
  color: var(--color-white);
}

.contact-info h3 {
  color: var(--color-white);
  margin-bottom: var(--spacing-lg);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.contact-item-icon {
  width: 48px;
  height: 48px;
  background: rgba(201, 169, 110, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold);
  flex-shrink: 0;
}

.contact-item h4 {
  color: var(--color-white);
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.contact-item p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
  margin-bottom: 0;
}

.contact-form-wrapper {
  background: var(--color-light-gray);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-xl);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-medium-gray);
  border-radius: var(--border-radius);
  font-size: 0.9375rem;
  font-family: var(--font-body);
  transition: var(--transition);
  background: var(--color-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.2);
}

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

.file-upload {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  border: 2px dashed var(--color-medium-gray);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
}

.file-upload:hover {
  border-color: var(--color-gold);
}

.file-upload-icon {
  font-size: 1.5rem;
}

.file-upload span {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.form-success {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  animation: fadeIn 0.4s ease;
}

/* Project Modal */
.project-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.project-modal.active {
  opacity: 1;
  visibility: visible;
}

.project-modal-content {
  background: var(--color-white);
  border-radius: var(--border-radius-xl);
  max-width: 900px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: var(--transition);
}

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

.project-modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 40px;
  height: 40px;
  background: var(--color-white);
  border: none;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.project-modal-close:hover {
  background: var(--color-gold);
}

.project-modal-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.project-modal-image {
  background-size: cover;
  background-position: center;
  min-height: 300px;
}

.project-modal-info {
  padding: var(--spacing-xl);
}

.project-modal-tags {
  display: flex;
  gap: 0.5rem;
  margin-bottom: var(--spacing-md);
}

.project-modal-info h3 {
  margin-bottom: var(--spacing-md);
}

.project-modal-desc {
  color: var(--color-text-light);
  line-height: 1.7;
}

.project-modal-specs {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-medium-gray);
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 100px;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--color-primary);
  color: var(--color-gold);
  border: none;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 998;
  display: flex;
  align-items: center;
  justify-content: center;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--color-gold);
  color: var(--color-primary);
  transform: translateY(-4px);
}

/* Responsive Styles */
@media (max-width: 1200px) {
  .solutions-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .service-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 992px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--spacing-md);
    gap: 0;
    box-shadow: var(--shadow);
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .nav-links a {
    color: var(--color-text);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-light-gray);
  }
  
  .nav-cta {
    display: none;
  }
  
  .mobile-toggle {
    display: flex;
  }
  
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .application-grid {
    grid-template-columns: 1fr;
  }
  
  .about-content {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .project-modal-body {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  section {
    padding: var(--spacing-xl) 0;
  }
  
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
  }
  
  .stat-number {
    font-size: 1.75rem;
  }
  
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .application-items {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .solutions-grid {
    grid-template-columns: 1fr;
  }
  
  .service-cards-grid {
    grid-template-columns: 1fr;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-social {
    justify-content: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .whatsapp-float {
    width: 50px;
    height: 50px;
    bottom: 1rem;
    right: 1rem;
  }
  
  .back-to-top {
    bottom: 80px;
    right: 1rem;
    width: 44px;
    height: 44px;
  }
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
  }
  
  .hero-stats {
    grid-template-columns: 1fr 1fr;
  }
  
  .categories-grid {
    grid-template-columns: 1fr;
  }
  
  .application-items {
    grid-template-columns: 1fr;
  }
}

/* Print Styles */
@media print {
  .navbar,
  .whatsapp-float,
  .back-to-top,
  .cta-section,
  .testimonials {
    display: none !important;
  }
  
  .hero {
    min-height: auto;
    background: var(--color-primary) !important;
  }
  
  .project-modal {
    position: static;
    background: none;
  }
}


/* ========================================
   Enhanced WhatsApp Float Buttons
   ======================================== */
.whatsapp-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.whatsapp-float {
  position: relative;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: white;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
  color: white;
}

.whatsapp-tooltip {
  position: absolute;
  right: 70px;
  background: #333;
  color: white;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 13px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
  pointer-events: none;
}

.whatsapp-tooltip::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-left-color: #333;
  border-right: none;
}

.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
  visibility: visible;
}

/* Request a Quote Button */
.whatsapp-quote-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #1a1a2e 0%, #2d2d44 100%);
  color: white;
  padding: 12px 20px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  animation: slideInRight 0.5s ease forwards;
  opacity: 0;
  transform: translateX(100px);
}

.whatsapp-quote-btn:hover {
  transform: translateX(-5px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  color: white;
}

.whatsapp-quote-btn .quote-icon {
  font-size: 18px;
}

.whatsapp-quote-btn .quote-text {
  white-space: nowrap;
}

@keyframes slideInRight {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.whatsapp-quote-btn.show {
  animation: slideInRight 0.5s ease forwards;
}

/* Mobile adjustments */
@media (max-width: 768px) {
  .whatsapp-container {
    bottom: 15px;
    right: 15px;
  }
  
  .whatsapp-float {
    width: 55px;
    height: 55px;
    font-size: 26px;
  }
  
  .whatsapp-quote-btn {
    padding: 10px 16px;
    font-size: 13px;
  }
  
  .whatsapp-tooltip {
    display: none;
  }
}

/* ========================================
   Enhanced File Upload
   ======================================== */
.file-list {
  margin-top: 10px;
}

.file-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--color-light-gray);
  border-radius: 4px;
  margin-bottom: 5px;
  font-size: 0.875rem;
}

.file-icon {
  font-size: 16px;
}

.file-size {
  color: var(--color-text-light);
  font-size: 0.75rem;
}

/* Form enhancements */
.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  color: var(--color-text);
}

.form-group .required {
  color: #e74c3c;
}

.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 0.9375rem;
  background: white;
  cursor: pointer;
  transition: border-color 0.3s;
}

.form-group select:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.1);
}

/* ============================================
   Language Switcher Styles
   ============================================ */

/* Language Banner */
.lang-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: white;
  padding: 12px 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 15px;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10001;
  animation: slideDown 0.4s ease;
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.lang-banner-text {
  font-size: 14px;
}

.lang-banner-text strong {
  color: var(--color-gold);
}

.lang-banner-buttons {
  display: flex;
  gap: 10px;
}

.lang-banner-buttons a {
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.lang-banner-yes {
  background: var(--color-gold);
  color: var(--color-primary);
}

.lang-banner-yes:hover {
  background: var(--color-gold-light);
}

.lang-banner-no {
  background: transparent;
  color: white;
  border: 1px solid rgba(255,255,255,0.3);
}

.lang-banner-no:hover {
  background: rgba(255,255,255,0.1);
}

.lang-banner-close {
  position: absolute;
  right: 20px;
  background: none;
  border: none;
  color: white;
  font-size: 20px;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.3s;
}

.lang-banner-close:hover {
  opacity: 1;
}

/* Navbar offset for banner */
body.has-banner .navbar {
  top: 48px;
}

/* Language Switcher Dropdown */
.lang-switcher {
  position: relative;
  margin-left: 15px;
}

.lang-switcher-trigger {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  color: white;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.lang-switcher-trigger:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lang-switcher-trigger svg {
  width: 16px;
  height: 16px;
}

.lang-switcher-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 180px;
  background: white;
  border-radius: 8px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  z-index: 10000;
  overflow: hidden;
}

.lang-switcher:hover .lang-switcher-dropdown,
.lang-switcher.active .lang-switcher-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  color: var(--color-text);
  text-decoration: none;
  font-size: 14px;
  transition: background 0.2s;
}

.lang-option:hover {
  background: var(--color-light-gray);
}

.lang-option.active {
  background: var(--color-gold);
  color: white;
}

.lang-option-flag {
  font-size: 18px;
}

.lang-option-text {
  flex: 1;
}

.lang-option-native {
  font-weight: 500;
}

.lang-option-en {
  font-size: 12px;
  color: var(--color-text-light);
}

.lang-option.active .lang-option-en {
  color: rgba(255,255,255,0.8);
}

/* Mobile Language Switcher */
.mobile-lang-switcher {
  display: none;
  padding: 15px;
  background: var(--color-light-gray);
  border-top: 1px solid var(--color-medium-gray);
}

.mobile-lang-title {
  font-size: 12px;
  color: var(--color-text-light);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.mobile-lang-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.mobile-lang-option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px;
  background: white;
  border-radius: 6px;
  text-decoration: none;
  color: var(--color-text);
  font-size: 14px;
}

/* RTL adjustments for language switcher */
[dir="rtl"] .lang-switcher {
  margin-left: 0;
  margin-right: 15px;
}

[dir="rtl"] .lang-switcher-dropdown {
  right: auto;
  left: 0;
}

[dir="rtl"] .lang-banner-close {
  right: auto;
  left: 20px;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  .lang-banner {
    flex-direction: column;
    padding: 10px 15px;
    gap: 8px;
  }
  
  .lang-banner-text {
    font-size: 12px;
    text-align: center;
  }
  
  .lang-banner-buttons {
    width: 100%;
    justify-content: center;
  }
  
  .lang-banner-buttons a {
    padding: 5px 12px;
    font-size: 12px;
  }
  
  .mobile-lang-switcher {
    display: block;
  }
}

/* Loading state for language detection */
.lang-loading {
  opacity: 0.7;
  pointer-events: none;
}

/* Smooth page transition */
.lang-transitioning {
  animation: fadeIn 0.3s ease;
}

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

/* ============================================
   Thermo-bending Section Styles
   ============================================ */

/* Thermo-bending Banner */
.thermobend-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  padding: var(--spacing-xl) 0;
  position: relative;
  overflow: hidden;
}

.thermobend-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(201, 169, 110, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.thermobend-banner .container {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.thermobend-intro {
  flex: 1;
  color: var(--color-white);
  position: relative;
  z-index: 1;
}

.thermobend-badge {
  display: inline-block;
  background: var(--color-gold);
  color: var(--color-primary);
  padding: 0.375rem 1rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-sm);
}

.thermobend-intro h3 {
  color: var(--color-white);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  margin-bottom: 0.5rem;
}

.thermobend-subtitle {
  color: var(--color-gold);
  font-size: 1.125rem;
  font-weight: 500;
  margin-bottom: var(--spacing-md);
}

.thermobend-desc {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
}

.thermobend-specs {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

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

.spec-value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-gold);
}

.spec-label {
  display: block;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.thermobend-image {
  flex: 0 0 45%;
  position: relative;
  z-index: 1;
}

.thermobend-image img {
  width: 100%;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
}

/* Thermo-bending Products Section */
.thermobend-products {
  background: var(--color-light-gray);
  padding: var(--spacing-xxl) 0;
}

.thermobend-grid {
  margin-bottom: var(--spacing-xl);
}

.thermobend-card {
  border: 2px solid var(--color-gold);
  background: var(--color-white);
}

.thermobend-card .product-image {
  height: 250px;
}

.product-desc {
  color: var(--color-text-light);
  font-size: 0.875rem;
  margin: 0.5rem 0;
  line-height: 1.5;
}

/* Thermo-bending Info Grid */
.thermobend-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.thermobend-info-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.thermobend-info-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.thermobend-info-card .info-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.thermobend-info-card h4 {
  margin-bottom: var(--spacing-sm);
}

.thermobend-info-card p {
  color: var(--color-text-light);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 0;
}

/* Feature Card Thermo-bending Highlight */
.feature-thermobend {
  border: 2px solid var(--color-gold);
  background: linear-gradient(135deg, rgba(201, 169, 110, 0.05) 0%, rgba(201, 169, 110, 0.1) 100%);
}

.feature-thermobend:hover {
  border-color: var(--color-gold-dark);
  background: linear-gradient(135deg, rgba(201, 169, 110, 0.1) 0%, rgba(201, 169, 110, 0.15) 100%);
}

.feature-thermobend .feature-icon {
  background: linear-gradient(135deg, var(--color-gold-dark) 0%, var(--color-gold) 100%);
}

/* Mobile Responsive for Thermo-bending */
@media (max-width: 992px) {
  .thermobend-banner .container {
    flex-direction: column;
    text-align: center;
  }
  
  .thermobend-image {
    flex: none;
    width: 100%;
    max-width: 500px;
  }
  
  .thermobend-specs {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .thermobend-specs {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .thermobend-grid .products-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Blog Article Image Styles
   ============================================ */

.article-card.has-image {
  display: flex;
  flex-direction: column;
}

.article-card.has-image .article-image {
  width: 100%;
  height: 200px;
  background-size: cover;
  background-position: center;
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  margin-bottom: 1rem;
}

.article-card.has-image .category-tag {
  margin: 0 1rem 0.5rem;
}

.article-card.has-image h3 {
  margin: 0 1rem 0.5rem;
  font-size: 1.125rem;
}

.article-card.has-image .article-meta {
  margin: 0 1rem;
}

.article-card.has-image .article-excerpt {
  margin: 0.5rem 1rem;
  flex: 1;
}

.article-card.has-image .article-link {
  margin: 1rem;
  align-self: flex-start;
}

@media (max-width: 768px) {
  .article-card.has-image .article-image {
    height: 160px;
  }
}

/* ============================================
   Video Showcase Section
   ============================================ */

.video-showcase {
  padding: 80px 0;
  background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
}

.video-showcase .section-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.video-showcase .subtitle {
  display: inline-block;
  background: linear-gradient(135deg, var(--color-gold-dark) 0%, var(--color-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.video-showcase h2 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 1rem;
}

.video-showcase .description {
  color: var(--color-text-light);
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.0625rem;
  line-height: 1.7;
}

.video-wrapper {
  max-width: 960px;
  margin: 0 auto 2.5rem;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  background: var(--color-dark);
  position: relative;
}

.video-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border: 2px solid rgba(201, 169, 110, 0.3);
  border-radius: 16px;
  pointer-events: none;
  z-index: 1;
}

.video-wrapper video {
  width: 100%;
  display: block;
  max-height: 540px;
  object-fit: contain;
  background: #000;
}

/* Video Features Pills */
.video-features {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  max-width: 800px;
  margin: 0 auto;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: white;
  padding: 0.75rem 1.25rem;
  border-radius: 50px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.feature-icon {
  font-size: 1.25rem;
}

.feature-text {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-dark);
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .video-showcase {
    padding: 50px 0;
  }

  .video-showcase h2 {
    font-size: 1.75rem;
  }

  .video-showcase .description {
    font-size: 1rem;
  }

  .video-wrapper {
    border-radius: 12px;
    margin-bottom: 2rem;
  }

  .video-wrapper::before {
    border-radius: 12px;
  }

  .video-features {
    gap: 0.75rem;
  }

  .feature-item {
    padding: 0.6rem 1rem;
    font-size: 0.875rem;
  }

  .feature-icon {
    font-size: 1rem;
  }
}

/* ============================================
   MOBILE RESPONSIVE ENHANCEMENTS
   Fixed Mobile Layout Issues - v2
   ============================================ */

/* ============================================
   1. HERO SECTION MOBILE FULL-WIDTH LAYOUT
   ============================================ */
@media (max-width: 992px) {
  .hero {
    min-height: auto;
    padding: 120px 0 60px;
  }
  
  .hero-content {
    max-width: 100%;
    padding: 0;
  }
  
  .hero-badge {
    font-size: 0.625rem;
    padding: 0.375rem 1rem;
  }
  
  .hero h1 {
    font-size: clamp(2rem, 8vw, 3rem);
  }
  
  .hero-subtitle {
    font-size: 1rem;
    line-height: 1.6;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: var(--spacing-xl);
  }
  
  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
    padding: 1rem 1.5rem;
    min-height: 48px;
  }
  
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
  }
  
  .stat-item {
    padding: var(--spacing-sm);
  }
  
  .stat-number {
    font-size: 1.5rem;
  }
  
  .stat-label {
    font-size: 0.6875rem;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 100px 0 40px;
  }
  
  .hero h1 {
    font-size: clamp(1.75rem, 9vw, 2.5rem);
  }
  
  .hero-subtitle {
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-lg);
  }
  
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    margin-top: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  .hero-stats {
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }
  
  .stat-item {
    padding: 0.75rem 0.5rem;
  }
  
  .stat-number {
    font-size: 1.25rem;
  }
  
  .stat-label {
    font-size: 0.625rem;
    letter-spacing: 0.5px;
  }
}

/* ============================================
   2. PRODUCTS PAGE FILTER MOBILE COLLAPSIBLE
   ============================================ */
.filter-toggle {
  display: none;
  width: 100%;
  padding: 12px 20px;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: var(--border-radius);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition);
  min-height: 48px;
}

.filter-toggle:hover {
  background: var(--color-primary-light);
}

.filter-toggle svg {
  transition: transform 0.3s ease;
}

.filter-toggle.active svg {
  transform: rotate(180deg);
}

.filters-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  align-items: center;
}

@media (max-width: 992px) {
  .filter-toggle {
    display: flex;
  }
  
  .filters-container {
    width: 100%;
  }
  
  .filters-grid {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) 0;
    background: var(--color-white);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-sm);
  }
  
  .filters-grid.active {
    display: flex;
  }
  
  .filter-group {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }
  
  .filter-group label {
    font-size: 0.8125rem;
    color: var(--color-text);
  }
  
  .filter-group select {
    width: 100%;
    min-width: unset;
    padding: 10px 12px;
    font-size: 0.875rem;
  }
}

@media (max-width: 768px) {
  .filters-section {
    padding: var(--spacing-md) 0;
    position: relative;
    top: 0;
  }
  
  .filters-grid {
    max-height: 60vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* ============================================
   3. PRODUCTS GRID MOBILE OPTIMIZATION
   ============================================ */
@media (max-width: 768px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }
  
  .product-card {
    flex: unset;
  }
  
  .product-image {
    height: 160px;
  }
  
  .product-info {
    padding: var(--spacing-sm);
  }
  
  .product-code {
    font-size: 0.6875rem;
  }
  
  .product-info h4 {
    font-size: 0.875rem;
  }
  
  .product-specs {
    font-size: 0.75rem;
  }
  
  .products-section > .container > div:first-child {
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: stretch;
  }
  
  .products-section > .container > div:first-child p {
    text-align: center;
  }
  
  .products-section > .container > div:first-child > div:last-child {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .products-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }
  
  .product-image {
    height: 120px;
  }
  
  .product-badge {
    font-size: 0.5rem;
    padding: 0.2rem 0.4rem;
  }
  
  .product-hover-info {
    padding: var(--spacing-sm);
    gap: 0.5rem;
  }
  
  .quick-view-btn {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
  }
  
  .product-hover-info .btn {
    padding: 0.375rem 0.75rem;
    font-size: 0.6875rem;
  }
}

/* ============================================
   4. NAVIGATION MOBILE ENHANCEMENTS
   ============================================ */
@media (max-width: 992px) {
  .navbar {
    padding: 0.75rem 0;
  }
  
  .logo-icon {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }
  
  .logo-text {
    font-size: 1rem;
  }
  
  .mobile-toggle {
    padding: 8px;
  }
  
  .mobile-toggle span {
    width: 22px;
    height: 2px;
  }
  
  .nav-links.active {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 26, 46, 0.98);
    z-index: 999;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .nav-links.active a {
    display: block;
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 1rem;
    color: var(--color-white);
    text-align: center;
  }
  
  .nav-links.active a:hover {
    background: rgba(201, 169, 110, 0.1);
    color: var(--color-gold);
  }
}

@media (max-width: 768px) {
  .navbar {
    padding: 0.625rem 0;
  }
  
  .logo-text {
    font-size: 0.9375rem;
  }
  
  .logo-icon {
    width: 32px;
    height: 32px;
    font-size: 0.875rem;
  }
}

/* ============================================
   5. BUTTON TOUCH FRIENDLY SIZES
   ============================================ */
@media (max-width: 768px) {
  .btn {
    min-height: 44px;
    padding: 0.75rem 1.5rem;
    font-size: 0.8125rem;
  }
  
  .btn-sm {
    min-height: 36px;
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
  }
  
  .btn-primary,
  .btn-secondary,
  .btn-outline {
    padding: 0.75rem 1.5rem;
  }
}

/* ============================================
   6. PAGE HEADER MOBILE
   ============================================ */
@media (max-width: 768px) {
  .page-header {
    padding: 100px 0 3rem;
  }
  
  .page-header h1 {
    font-size: clamp(1.75rem, 6vw, 2.5rem);
  }
  
  .breadcrumb {
    font-size: 0.8125rem;
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* ============================================
   7. VIDEO SHOWCASE MOBILE
   ============================================ */
@media (max-width: 768px) {
  .video-showcase {
    padding: 50px 0;
  }
  
  .video-showcase h2 {
    font-size: 1.5rem;
    padding: 0 0.5rem;
  }
  
  .video-showcase .description {
    font-size: 0.9375rem;
    padding: 0 1rem;
  }
  
  .video-wrapper {
    margin: 0 0.5rem 2rem;
    border-radius: 8px;
  }
  
  .video-features {
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0 0.5rem;
  }
  
  .feature-item {
    padding: 0.5rem 0.75rem;
    font-size: 0.8125rem;
  }
  
  .youtube-subscribe-section {
    margin: 30px 0.5rem 0 !important;
    padding: 20px 1rem !important;
  }
  
  .youtube-subscribe-section p {
    font-size: 14px !important;
  }
}

/* ============================================
   8. THERMOBEND BANNER MOBILE
   ============================================ */
@media (max-width: 768px) {
  .thermobend-banner {
    padding: var(--spacing-lg) 0;
  }
  
  .thermobend-banner .container {
    gap: var(--spacing-lg);
  }
  
  .thermobend-intro h3 {
    font-size: 1.375rem;
  }
  
  .thermobend-subtitle {
    font-size: 1rem;
  }
  
  .thermobend-desc {
    font-size: 0.9375rem;
    line-height: 1.6;
  }
  
  .thermobend-specs {
    gap: var(--spacing-md);
  }
  
  .spec-value {
    font-size: 1.25rem;
  }
  
  .thermobend-image {
    max-width: 100%;
  }
  
  .thermobend-image img {
    border-radius: var(--border-radius);
  }
}

/* ============================================
   9. SECTIONS MOBILE SPACING
   ============================================ */
@media (max-width: 768px) {
  section {
    padding: var(--spacing-xl) 0;
  }
  
  .section-header {
    margin-bottom: var(--spacing-lg);
  }
  
  .section-header h2 {
    font-size: clamp(1.5rem, 5vw, 2rem);
  }
  
  .section-header .description {
    font-size: 1rem;
  }
  
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
  }
  
  .category-card {
    padding: var(--spacing-md);
  }
  
  .category-icon {
    width: 48px;
    height: 48px;
    font-size: 1.25rem;
  }
  
  .category-card h4 {
    font-size: 0.9375rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .application-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .application-items {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
  }
  
  .application-item {
    height: 180px;
  }
}

/* ============================================
   10. FOOTER MOBILE OPTIMIZATION
   ============================================ */
@media (max-width: 768px) {
  .footer {
    padding: var(--spacing-xl) 0 var(--spacing-lg);
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-lg);
  }
  
  .footer-brand {
    max-width: 100%;
  }
  
  .footer-social {
    justify-content: center;
  }
  
  .footer-column h5 {
    margin-bottom: var(--spacing-sm);
  }
  
  .footer-links {
    gap: 0.5rem;
  }
  
  .footer-links a {
    font-size: 0.875rem;
  }
  
  .footer-contact li {
    justify-content: center;
    font-size: 0.875rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
    font-size: 0.8125rem;
  }
  
  .footer-bottom-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
  }
}

/* ============================================
   11. ABOUT PAGE MOBILE
   ============================================ */
@media (max-width: 992px) {
  .about-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .about-text {
    text-align: center;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
  }
  
  .stat-card {
    padding: var(--spacing-md);
  }
  
  .stat-card .stat-number {
    font-size: 2rem;
  }
  
  .stat-card .stat-label {
    font-size: 0.8125rem;
  }
}

/* ============================================
   12. CONTACT PAGE MOBILE
   ============================================ */
@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .contact-info {
    text-align: center;
  }
  
  .contact-item {
    justify-content: center;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .form-group input,
  .form-group textarea,
  .form-group select {
    padding: 12px;
    font-size: 16px;
  }
}

/* ============================================
   13. WHATSAPP FLOAT MOBILE
   ============================================ */
@media (max-width: 768px) {
  .whatsapp-container {
    bottom: 15px;
    right: 15px;
  }
  
  .whatsapp-float {
    width: 52px;
    height: 52px;
    font-size: 24px;
  }
  
  .whatsapp-tooltip {
    display: none;
  }
}

/* ============================================
   14. SCROLLBAR AND SCROLLING FIXES
   ============================================ */
@media (max-width: 768px) {
  html {
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
  }
  
  body {
    overflow-x: hidden;
  }
  
  ::-webkit-scrollbar {
    width: 4px;
    height: 4px;
  }
  
  ::-webkit-scrollbar-thumb {
    background: var(--color-gold);
    border-radius: 2px;
  }
}

/* ============================================
   15. IMAGE RESPONSIVE FIXES
   ============================================ */
@media (max-width: 768px) {
  img {
    max-width: 100%;
    height: auto;
  }
  
  .product-image img,
  .application-item,
  .project-card {
    transform: translateZ(0);
  }
}

/* ============================================
   16. TYPOGRAPHY SCALING MOBILE
   ============================================ */
@media (max-width: 768px) {
  h1 { font-size: clamp(2rem, 8vw, 3rem); }
  h2 { font-size: clamp(1.5rem, 6vw, 2.5rem); }
  h3 { font-size: clamp(1.25rem, 5vw, 1.75rem); }
  h4 { font-size: clamp(1rem, 4vw, 1.25rem); }
  
  p {
    font-size: 0.9375rem;
    line-height: 1.6;
  }
}


/* ============================================
   Image SEO - Inline img styles for background-image containers
   ============================================ */

/* Hero SEO image (visually hidden but crawlable) */
.hero-seo-img {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Application item images */
.application-item {
  position: relative;
  overflow: hidden;
}

.app-item-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  transition: transform 0.5s ease;
}

.application-item:hover .app-item-img {
  transform: scale(1.05);
}

.application-overlay {
  position: relative;
  z-index: 1;
}

/* Product card images */
.product-image {
  position: relative;
  overflow: hidden;
}

.product-card-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  transition: transform 0.5s ease;
}

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

.product-image .product-badge,
.product-image .product-overlay {
  position: relative;
  z-index: 1;
}

/* Project card images */
.project-card {
  position: relative;
  overflow: hidden;
}

.project-card-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  transition: transform 0.5s ease;
}

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

.project-card-content {
  position: relative;
  z-index: 1;
}


/* ============================================
   Blog Featured Image
   ============================================ */

.article-featured-image {
  margin: 0 0 40px 0;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.article-featured-image img {
  width: 100%;
  height: auto;
  max-height: 450px;
  object-fit: cover;
  display: block;
}

@media (max-width: 768px) {
  .article-featured-image {
    margin: 0 0 30px 0;
    border-radius: 8px;
  }
  
  .article-featured-image img {
    max-height: 250px;
  }
}

/* === CLONE OVERRIDES === */
/* 首屏：降低遮罩，让石材纹理透出来 */
.hero::after{background:linear-gradient(135deg,rgba(20,20,34,.62) 0%,rgba(38,38,60,.38) 45%,rgba(16,16,28,.68) 100%) !important}
.hero{background-position:center 35%}
/* 关于页：数据卡排成一行 */
.about-intro-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.about-intro-stats .stat-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:12px;padding:26px 18px;text-align:center}
@media(max-width:860px){.about-intro-stats{grid-template-columns:repeat(2,1fr)}}

/* === PERF & LIGHTBOX === */
.hero{background-attachment:scroll !important}
.product-card .product-image img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease}
.product-card:hover .product-image img{transform:scale(1.04)}
.lb{position:fixed;inset:0;z-index:9999;background:rgba(8,8,12,.94);display:none;align-items:center;justify-content:center;padding:24px;cursor:zoom-out}
.lb.on{display:flex}
.lb img{max-width:92vw;max-height:88vh;object-fit:contain;box-shadow:0 20px 60px rgba(0,0,0,.5);background:#fff}
.lb .lb-close{position:absolute;top:18px;right:22px;color:#fff;font-size:30px;line-height:1;background:none;border:0;cursor:pointer}
.lb .lb-cap{position:absolute;bottom:18px;left:0;right:0;text-align:center;color:rgba(255,255,255,.75);font-size:.85rem}