/* ==========================================================================
   MANGALDEEP MARBLE PVT. LTD. (mangaldeepmarble.com)
   Ultra-Luxury Natural & Engineered Stone Portal Styling
   Visakhapatnam, Andhra Pradesh | Est. 1987
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-primary: #0a0c10;
  --bg-surface: #11141c;
  --bg-card: #161b26;
  --bg-card-hover: #1d2331;
  --bg-elevated: #242c3d;
  
  --gold-primary: #c5a059;
  --gold-light: #e5c57f;
  --gold-dark: #917235;
  --gold-glow: rgba(197, 160, 89, 0.25);
  --gold-gradient: linear-gradient(135deg, #e5c57f 0%, #c5a059 50%, #917235 100%);
  --gold-subtle: rgba(197, 160, 89, 0.12);

  --text-primary: #f8f9fa;
  --text-secondary: #c7cbd1;
  --text-muted: #8a92a0;
  --text-gold: #e5c57f;

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-gold: rgba(197, 160, 89, 0.35);
  --border-gold-bright: rgba(229, 197, 127, 0.7);

  --accent-green: #10b981;
  --accent-red: #ef4444;
  --accent-blue: #3b82f6;

  /* Typography */
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.7);
  --shadow-gold: 0 8px 32px rgba(197, 160, 89, 0.2);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --container-max: 1280px;
  --header-height: 84px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(circle at 15% 10%, rgba(197, 160, 89, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 85% 60%, rgba(197, 160, 89, 0.03) 0%, transparent 50%);
  background-attachment: fixed;
}

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

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

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

button {
  cursor: pointer;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Typography Utilities */
.heading-gold {
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

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

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  background: var(--gold-subtle);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-full);
  color: var(--gold-light);
  font-size: 0.825rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-tag svg {
  width: 14px;
  height: 14px;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem auto;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn-gold {
  background: var(--gold-gradient);
  color: #0d0f14;
  box-shadow: 0 4px 18px rgba(197, 160, 89, 0.35);
  font-weight: 700;
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(197, 160, 89, 0.5);
  filter: brightness(1.08);
}

.btn-gold:active {
  transform: translateY(0);
}

.btn-outline-gold {
  background: transparent;
  color: var(--gold-light);
  border: 1px solid var(--border-gold);
}

.btn-outline-gold:hover {
  background: var(--gold-subtle);
  border-color: var(--gold-light);
  transform: translateY(-2px);
}

.btn-glass {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

.btn-whatsapp {
  background: #25d366;
  color: #ffffff;
  font-weight: 600;
}

.btn-whatsapp:hover {
  background: #22bf5b;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

/* ==========================================================================
   NAVIGATION BAR
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(10, 12, 16, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 1000;
  transition: all var(--transition-smooth);
}

.site-header.scrolled {
  height: 72px;
  background: rgba(10, 12, 16, 0.95);
  border-bottom: 1px solid var(--border-gold);
  box-shadow: var(--shadow-md);
}

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

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

.brand-mark {
  width: 44px;
  height: 44px;
  background: var(--gold-gradient);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0a0c10;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 1.35rem;
  box-shadow: 0 4px 12px rgba(197, 160, 89, 0.3);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  line-height: 1.1;
}

.brand-subtitle {
  font-size: 0.725rem;
  color: var(--gold-light);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold-gradient);
  transition: width var(--transition-smooth);
}

.nav-link:hover, .nav-link.active {
  color: var(--gold-light);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  padding: 0.5rem;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  padding-top: calc(var(--header-height) + 2rem);
  padding-bottom: 5rem;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg-art {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-glow-1 {
  position: absolute;
  top: 15%;
  left: 10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(197, 160, 89, 0.12) 0%, transparent 70%);
  filter: blur(60px);
}

.hero-glow-2 {
  position: absolute;
  bottom: 10%;
  right: 10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(197, 160, 89, 0.08) 0%, transparent 70%);
  filter: blur(80px);
}

.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-size: 60px 60px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  mask-image: radial-gradient(circle at center, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(circle at center, black 40%, transparent 80%);
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1.1rem;
  background: rgba(197, 160, 89, 0.1);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-full);
  color: var(--gold-light);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero-badge .pulsing-dot {
  width: 8px;
  height: 8px;
  background: var(--gold-light);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--gold-light);
  animation: pulseGlow 2s infinite;
}

@keyframes pulseGlow {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5vw, 4.25rem);
  font-weight: 800;
  line-height: 1.12;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2.25rem;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 3.5rem;
}

.hero-stats-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 800;
  color: var(--gold-light);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Hero Visual Card Showcase */
.hero-visual-card {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  background: linear-gradient(145deg, rgba(22, 27, 38, 0.9) 0%, rgba(17, 20, 28, 0.95) 100%);
  border: 1px solid var(--border-gold);
  box-shadow: var(--shadow-gold), 0 20px 50px rgba(0,0,0,0.8);
  backdrop-filter: blur(12px);
}

.hero-slab-preview {
  position: relative;
  width: 100%;
  height: 380px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: inset 0 0 30px rgba(0,0,0,0.6);
}

.hero-slab-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.hero-slab-badge {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  right: 1.25rem;
  background: rgba(10, 12, 16, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-gold);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.hero-slab-info h4 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--text-primary);
}

.hero-slab-info p {
  font-size: 0.8rem;
  color: var(--gold-light);
}

.hero-slab-price {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--gold-light);
}

/* ==========================================================================
   TRUST & LEGACY SECTION
   ========================================================================== */
.legacy-section {
  padding: 6rem 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}

.legacy-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.75rem;
}

.legacy-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  text-align: left;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.legacy-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gold-gradient);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.legacy-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-gold);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-md);
}

.legacy-card:hover::before {
  opacity: 1;
}

.legacy-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: var(--gold-subtle);
  border: 1px solid var(--border-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-light);
  margin-bottom: 1.5rem;
}

.legacy-card h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.legacy-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   DIGITAL SHOWROOM & PRODUCT CATALOG SECTION
   ========================================================================== */
.catalog-section {
  padding: 7rem 0;
  position: relative;
}

.catalog-controls {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.cat-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.cat-tab-btn .badge-count {
  padding: 0.15rem 0.5rem;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
}

.cat-tab-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-gold);
  color: var(--text-primary);
}

.cat-tab-btn.active {
  background: var(--gold-gradient);
  color: #0b0d12;
  font-weight: 700;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(197, 160, 89, 0.3);
}

.cat-tab-btn.active .badge-count {
  background: rgba(0, 0, 0, 0.2);
  color: #0b0d12;
  font-weight: 700;
}

/* Catalog Filter & Search Bar */
.catalog-filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.25rem;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.5rem 1rem;
  min-width: 280px;
  flex: 1;
  max-width: 420px;
}

.search-box input {
  background: transparent;
  color: var(--text-primary);
  width: 100%;
}

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

.filter-dropdowns {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.filter-select {
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.55rem 1rem;
  font-size: 0.85rem;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.filter-select:hover, .filter-select:focus {
  border-color: var(--border-gold);
  color: var(--text-primary);
}

/* Product Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-smooth);
  position: relative;
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-gold);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6), 0 0 20px rgba(197, 160, 89, 0.15);
}

.product-thumb-container {
  position: relative;
  width: 100%;
  height: 230px;
  background: #080a0e;
  overflow: hidden;
  cursor: pointer;
}

.product-canvas {
  width: 100%;
  height: 100%;
  display: block;
  transition: transform 0.5s ease;
}

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

.product-badges {
  position: absolute;
  top: 0.85rem;
  left: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  z-index: 2;
}

.badge-tag {
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.725rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.badge-featured {
  background: var(--gold-gradient);
  color: #0b0d12;
  box-shadow: 0 2px 8px rgba(0,0,0,0.5);
}

.badge-bestseller {
  background: #2563eb;
  color: #ffffff;
}

.quick-view-btn {
  position: absolute;
  bottom: 0.85rem;
  right: 0.85rem;
  padding: 0.45rem 0.85rem;
  background: rgba(10, 12, 16, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-gold);
  color: var(--gold-light);
  border-radius: var(--radius-sm);
  font-size: 0.775rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  opacity: 0;
  transform: translateY(8px);
  transition: all var(--transition-fast);
}

.product-thumb-container:hover .quick-view-btn {
  opacity: 1;
  transform: translateY(0);
}

.product-info {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-category-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
  font-size: 0.775rem;
  color: var(--gold-light);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.product-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.product-origin {
  font-size: 0.825rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.product-specs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem;
  padding: 0.85rem 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1.25rem;
}

.spec-chip {
  font-size: 0.775rem;
  color: var(--text-secondary);
}

.spec-chip span {
  color: var(--text-muted);
  display: block;
  font-size: 0.7rem;
}

.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  gap: 0.75rem;
}

.product-price-box {
  display: flex;
  flex-direction: column;
}

.price-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.price-val {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--gold-light);
}

.card-action-btns {
  display: flex;
  gap: 0.5rem;
}

.btn-icon-square {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.btn-icon-square:hover {
  background: var(--gold-subtle);
  border-color: var(--gold-light);
  color: var(--gold-light);
}

/* ==========================================================================
   CALCULATOR SECTION
   ========================================================================== */
.calculator-section {
  padding: 7rem 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.calc-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: start;
}

.calc-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-md);
}

.calc-form-group {
  margin-bottom: 1.75rem;
}

.calc-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
}

.calc-label span {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 400;
}

.calc-select, .calc-input {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.15rem;
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast);
}

.calc-select:focus, .calc-input:focus {
  border-color: var(--gold-light);
}

.dim-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1rem;
}

.toggle-pills {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.pill-option {
  flex: 1;
  min-width: 90px;
  text-align: center;
  padding: 0.6rem 0.85rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pill-option:hover {
  border-color: var(--border-gold);
  color: var(--text-primary);
}

.pill-option.active {
  background: var(--gold-subtle);
  border-color: var(--gold-light);
  color: var(--gold-light);
  font-weight: 700;
}

/* Edge Profile Selector */
.edge-profiles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.edge-card-option {
  padding: 0.85rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.edge-card-option:hover {
  border-color: var(--border-gold);
}

.edge-card-option.active {
  background: var(--gold-subtle);
  border-color: var(--gold-light);
}

.edge-card-option h5 {
  font-size: 0.85rem;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

.edge-card-option p {
  font-size: 0.75rem;
  color: var(--gold-light);
}

/* Quotation Summary Card */
.quote-summary-card {
  background: linear-gradient(145deg, #181d29 0%, #11141c 100%);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-gold), var(--shadow-lg);
  position: sticky;
  top: calc(var(--header-height) + 1.5rem);
}

.quote-header {
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1.25rem;
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.quote-header h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--text-primary);
}

.quote-badge {
  font-size: 0.75rem;
  padding: 0.25rem 0.65rem;
  background: var(--gold-subtle);
  border: 1px solid var(--border-gold);
  color: var(--gold-light);
  border-radius: var(--radius-full);
}

.quote-line-items {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.quote-line {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.quote-line span:last-child {
  font-weight: 600;
  color: var(--text-primary);
}

.quote-divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 0.5rem 0;
}

.quote-total-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-top: 1rem;
  border-top: 1px solid var(--border-gold);
  margin-bottom: 2rem;
}

.quote-total-label {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.quote-total-val {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--gold-light);
}

.quote-actions {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

/* ==========================================================================
   SHOWROOM, QUALITY & LOCATION SECTION
   ========================================================================== */
.showroom-section {
  padding: 7rem 0;
}

.showroom-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.showroom-info h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.showroom-info p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.feature-check-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.feature-check-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.check-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--gold-subtle);
  border: 1px solid var(--border-gold);
  color: var(--gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.showroom-map-card {
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-gold), var(--shadow-lg);
}

.map-header {
  padding: 1.5rem;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
}

.map-header h4 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.map-header p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.map-display {
  position: relative;
  height: 320px;
  background: #141822;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
}

.map-pin {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--gold-gradient);
  color: #0b0d12;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 30px rgba(197, 160, 89, 0.6);
  margin-bottom: 1.25rem;
  animation: pulsePin 2.5s infinite;
}

@keyframes pulsePin {
  0%, 100% { transform: scale(1); box-shadow: 0 0 30px rgba(197, 160, 89, 0.6); }
  50% { transform: scale(1.08); box-shadow: 0 0 45px rgba(197, 160, 89, 0.9); }
}

.map-contact-details {
  padding: 1.5rem;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

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

.contact-item svg {
  color: var(--gold-light);
}

.contact-item div h6 {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.contact-item div p {
  font-size: 0.875rem;
  color: var(--text-primary);
  font-weight: 600;
}

/* ==========================================================================
   FAQ & TESTIMONIALS SECTION
   ========================================================================== */
.faq-section {
  padding: 6rem 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
}

.faq-accordion {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-item.active {
  border-color: var(--border-gold);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  background: none;
  color: var(--text-primary);
  font-size: 1.05rem;
  font-weight: 600;
}

.faq-question svg {
  color: var(--gold-light);
  transition: transform var(--transition-smooth);
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-smooth);
  padding: 0 1.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 250px;
  padding-bottom: 1.25rem;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: #07090c;
  border-top: 1px solid var(--border-subtle);
  padding: 5rem 0 2rem 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-col h4 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.75rem;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 36px;
  height: 2px;
  background: var(--gold-gradient);
}

.footer-col p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--gold-light);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 1rem;
}

/* ==========================================================================
   STICKY FLOATING CONTACT / QUOTE BAR
   ========================================================================== */
.floating-actions-bar {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 999;
}

.float-btn {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-bounce);
  color: #fff;
}

.float-btn-whatsapp {
  background: #25d366;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
}

.float-btn-whatsapp:hover {
  transform: scale(1.12);
  background: #20ba59;
}

.float-btn-calc {
  background: var(--gold-gradient);
  color: #0b0d12;
  box-shadow: 0 8px 24px rgba(197, 160, 89, 0.4);
}

.float-btn-calc:hover {
  transform: scale(1.12);
}

/* ==========================================================================
   MODAL DIALOGS (Quick View & RFQ Modal)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 7, 10, 0.85);
  backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-smooth);
}

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

.modal-container {
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 900px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-gold), var(--shadow-lg);
  transform: scale(0.92);
  transition: transform var(--transition-bounce);
}

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

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-gold);
  background: var(--bg-card-hover);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: calc(var(--header-height) + 1rem);
  right: 1.5rem;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  padding: 1rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  animation: slideInToast 0.3s ease;
}

@keyframes slideInToast {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .legacy-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .calc-layout {
    grid-template-columns: 1fr;
  }
  .quote-summary-card {
    position: static;
  }
  .showroom-layout {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 72px;
  }
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-gold);
    flex-direction: column;
    padding: 2rem 1.5rem;
    gap: 1.25rem;
    transform: translateY(-150%);
    transition: transform var(--transition-smooth);
  }
  .nav-menu.open {
    transform: translateY(0);
  }
  .mobile-menu-toggle {
    display: block;
  }
  .hero-stats-strip {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  .legacy-grid {
    grid-template-columns: 1fr;
  }
  .dim-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
}
