/* ==========================================================================
   EXTRALUM - Vidrios y Aluminios | Design System & Master Styles
   Senior Architecture: Clean, Modern, Glassmorphic & High-Conversion
   ========================================================================== */

:root {
  /* Color Palette - Architectural Glass & Anodized Aluminum */
  --primary: #0f172a;          /* Slate 900 - Deep Architectural Charcoal */
  --primary-light: #1e293b;    /* Slate 800 */
  --primary-rgb: 15, 23, 42;
  
  --accent: #ea580c;           /* Orange 600 */
  --accent-light: #f97316;     /* Orange 500 */
  --accent-glow: rgba(249, 115, 22, 0.25);
  --accent-gradient: linear-gradient(135deg, #c2410c 0%, #ea580c 50%, #f97316 100%);
  
  --aluminum: #94a3b8;         /* Metallic Slate */
  --aluminum-light: #cbd5e1;
  --aluminum-dark: #64748b;
  
  --emerald: #10b981;          /* WhatsApp & Success */
  --emerald-hover: #059669;
  --amber: #f59e0b;            /* Warning & Star ratings */
  
  /* Neutral Surfaces */
  --bg-page: #f8fafc;          /* Pure crisp technical background */
  --bg-surface: #ffffff;
  --bg-subtle: #f1f5f9;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --bg-glass-dark: rgba(15, 23, 42, 0.85);
  
  /* Borders & Dividers */
  --border-light: #e2e8f0;
  --border-subtle: rgba(226, 232, 240, 0.8);
  --border-accent: rgba(249, 115, 22, 0.35);
  
  /* Typography Colors */
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --text-inverse: #ffffff;
  
  /* Shadows & Depth */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 2px 4px -1px rgba(0, 0, 0, 0.06), 0 1px 2px -1px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.05);
  --shadow-xl: 0 25px 50px -12px rgba(15, 23, 42, 0.2);
  --shadow-glow: 0 0 25px rgba(234, 88, 12, 0.25);
  
  /* Transitions & Radii */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  
  /* Layout Sizing */
  --header-height: 80px;
  --container-max: 1240px;
}

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

html {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-main);
  background-color: var(--bg-page);
  scroll-behavior: smooth;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
}

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

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

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

/* Top Announcement Bar */
.top-bar {
  background: var(--primary);
  color: var(--aluminum-light);
  font-size: 0.8125rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  z-index: 101;
}

.top-bar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: 0.5rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.top-bar-left, .top-bar-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.top-bar-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.top-bar-item svg {
  width: 14px;
  height: 14px;
  color: var(--accent-light);
}

.top-bar-item a:hover {
  color: var(--accent-light);
}

.badge-tag {
  background: rgba(249, 115, 22, 0.15);
  color: var(--accent-light);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.75rem;
  border: 1px solid rgba(249, 115, 22, 0.3);
}

/* Header & Glassmorphic Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  transition: all var(--transition-normal);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-md);
  height: 70px;
}

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

/* Brand Logo */
.brand-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  line-height: 0;
  transition: opacity var(--transition-fast);
}

.brand-logo-img {
  height: 50px;
  width: auto;
  max-width: 260px;
  object-fit: contain;
  display: block;
  transition: all var(--transition-normal);
  filter: drop-shadow(0 2px 4px rgba(15, 23, 42, 0.04));
}

.brand-logo:hover .brand-logo-img {
  transform: translateY(-1px) scale(1.01);
  filter: drop-shadow(0 4px 12px rgba(0, 102, 179, 0.16));
}

.site-header.scrolled .brand-logo-img {
  height: 44px;
}

.footer-logo-img {
  height: 56px;
  width: auto;
  max-width: 280px;
  object-fit: contain;
  display: block;
  transition: all var(--transition-normal);
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.25));
}

.brand-logo:hover .footer-logo-img {
  transform: translateY(-1px) scale(1.01);
  filter: drop-shadow(0 6px 18px rgba(0, 168, 234, 0.35));
}

/* Navigation Links */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-btn {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text-main);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  background: transparent;
  border: 1px solid transparent;
}

.nav-btn:hover {
  background: var(--accent-glow);
  color: var(--accent);
  border-color: rgba(249, 115, 22, 0.2);
}

.nav-btn.active {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 4px 10px rgba(234, 88, 12, 0.3);
}

.header-cta-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Button Component Hierarchy */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.9375rem;
  transition: all var(--transition-normal);
  white-space: nowrap;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.95rem 1.85rem;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

.btn-primary {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(2, 132, 199, 0.45);
  filter: brightness(1.05);
}

.btn-dark {
  background: var(--primary);
  color: #ffffff;
}

.btn-dark:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  border: 1.5px solid var(--border-light);
  color: var(--text-main);
  background: #ffffff;
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(2, 132, 199, 0.04);
}

.btn-whatsapp {
  background: var(--emerald);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
}

.btn-whatsapp:hover {
  background: var(--emerald-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.45);
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
}

.mobile-toggle span {
  display: block;
  height: 2.5px;
  width: 100%;
  background: var(--primary);
  border-radius: 4px;
  transition: all var(--transition-normal);
}

/* Hero Section */
.hero-section {
  position: relative;
  background: linear-gradient(135deg, #091220 0%, #0f1d33 60%, #172a4b 100%);
  color: #ffffff;
  padding: 5rem 0 6rem;
  overflow: hidden;
}

.hero-pattern {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

.hero-glow-1 {
  position: absolute;
  top: -150px;
  right: -150px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(249, 115, 22, 0.25) 0%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}

.hero-glow-2 {
  position: absolute;
  bottom: -150px;
  left: -150px;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(2, 132, 199, 0.2) 0%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 3.5rem;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-light);
  margin-bottom: 1.25rem;
  backdrop-filter: blur(8px);
}

.hero-eyebrow .pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-light);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-light);
  animation: pulseAnimation 2s infinite;
}

@keyframes pulseAnimation {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.hero-title {
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.hero-title .highlight {
  background: linear-gradient(120deg, #f97316 0%, #fdba74 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.125rem;
  line-height: 1.7;
  color: #cbd5e1;
  margin-bottom: 2rem;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero-features-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.hero-feature-icon {
  width: 22px;
  height: 22px;
  color: var(--accent-light);
  flex-shrink: 0;
  margin-top: 2px;
}

.hero-feature-text h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: #ffffff;
}

.hero-feature-text p {
  font-size: 0.78rem;
  color: #94a3b8;
}

/* Hero Interactive Visual / Card Glass */
.hero-card-preview {
  position: relative;
}

.glass-showcase-box {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.35);
  position: relative;
}

.glass-box-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.glass-box-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.glass-diagram {
  background: rgba(15, 23, 42, 0.6);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  border: 1px solid rgba(249, 115, 22, 0.2);
  margin-bottom: 1.5rem;
  position: relative;
  overflow: hidden;
}

.window-diagram-svg {
  width: 100%;
  height: 200px;
}

.floating-badge {
  position: absolute;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(249, 115, 22, 0.4);
  color: #ffffff;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  backdrop-filter: blur(10px);
}

.badge-position-1 {
  bottom: -15px;
  right: -15px;
}

.badge-position-2 {
  top: -15px;
  left: -15px;
}

.floating-badge-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}

/* Quick Metrics Bar */
.metrics-strip {
  background: #ffffff;
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  position: relative;
  z-index: 10;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  divide-x: 1px solid var(--border-light);
}

.metric-item {
  padding: 1.75rem 1.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}

.metric-number {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.metric-number span {
  color: var(--accent);
}

.metric-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* Section Header Standards */
.section {
  padding: 5.5rem 0;
  position: relative;
}

.section-alt {
  background-color: var(--bg-subtle);
}

.section-head {
  text-align: center;
  max-width: 680px;
  margin-inline: auto;
  margin-bottom: 3.5rem;
}

.section-subtitle {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.5rem;
  display: block;
}

.section-title {
  font-size: 2.35rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 1rem;
}

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

/* Categories Filter Component */
.filter-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2.5rem;
}

.filter-btn {
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-muted);
  background: #ffffff;
  border: 1px solid var(--border-light);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.filter-btn:hover {
  color: var(--primary);
  border-color: var(--aluminum-dark);
}

.filter-btn.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.2);
}

/* Categorized Catalog Grid */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 2rem;
}

.catalog-card {
  background: #ffffff;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
}

.catalog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--border-accent);
}

.card-visual {
  height: 230px;
  background: #0f172a;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-svg-illustration {
  width: 100%;
  height: 100%;
  transition: transform var(--transition-smooth);
}

.catalog-card:hover .card-svg-illustration {
  transform: scale(1.05);
}

.card-category-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(15, 23, 42, 0.85);
  color: #ffffff;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  z-index: 2;
}

.card-guarantee-badge {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  background: rgba(16, 185, 129, 0.9);
  color: #ffffff;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  z-index: 2;
}

.card-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.6rem;
  line-height: 1.3;
}

.card-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 1.25rem;
}

.card-specs-list {
  margin-bottom: 1.5rem;
  border-top: 1px solid var(--border-light);
  padding-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.spec-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.83rem;
  color: var(--text-main);
  font-weight: 500;
}

.spec-icon {
  width: 16px;
  height: 16px;
  color: var(--accent);
  flex-shrink: 0;
}

.card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
}

.custom-pricing-tag {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.custom-pricing-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
}

.custom-pricing-detail {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
  line-height: 1.25;
}

/* Modal Pricing Disclaimer */
.modal-pricing-disclaimer {
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  border-left: 4px solid var(--accent);
  padding: 1.15rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.75rem;
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}

.disclaimer-icon {
  flex-shrink: 0;
  margin-top: 2px;
}

/* Interactive Cotizador (Quote Builder) */
.cotizador-section {
  background: linear-gradient(180deg, #ffffff 0%, #f1f5f9 100%);
  position: relative;
}

.cotizador-container {
  background: #ffffff;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  max-width: 1060px;
  margin-inline: auto;
}

.cotizador-header {
  background: var(--primary);
  color: #ffffff;
  padding: 2.25rem 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.cotizador-header-info h3 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 0.35rem;
}

.cotizador-header-info p {
  color: var(--aluminum-light);
  font-size: 0.92rem;
}

.step-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.step-pill {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  transition: all var(--transition-fast);
}

.step-pill.active {
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}

.step-pill.completed {
  background: var(--emerald);
}

.step-line {
  width: 25px;
  height: 2px;
  background: rgba(255, 255, 255, 0.2);
}

.cotizador-body {
  padding: 2.5rem;
  display: grid;
  grid-template-columns: 1.35fr 0.85fr;
  gap: 2.5rem;
}

.step-box {
  display: none;
}

.step-box.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.form-group-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.form-group-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.selection-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.selection-card {
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: #ffffff;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
}

.selection-card:hover {
  border-color: var(--accent);
  background: rgba(2, 132, 199, 0.02);
  transform: translateY(-2px);
}

.selection-card.selected {
  border-color: var(--accent);
  background: rgba(2, 132, 199, 0.06);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.2);
}

.selection-card-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--bg-subtle);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.selection-card.selected .selection-card-icon {
  background: var(--accent);
  color: #ffffff;
}

.selection-card-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
}

.selection-card-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Custom Input Styles */
.input-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.input-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.input-field label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
}

.input-field input, .input-field select, .input-field textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border-light);
  background: #ffffff;
  font-size: 0.9rem;
  transition: border-color var(--transition-fast);
}

.input-field input:focus, .input-field select:focus, .input-field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

/* Cotizador Live Summary Sidebar */
.cotizador-summary-box {
  background: var(--bg-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  border: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.summary-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.summary-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

.summary-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
}

.summary-label {
  color: var(--text-muted);
}

.summary-val {
  font-weight: 700;
  color: var(--primary);
  text-align: right;
}

.summary-badge-warranty {
  background: #e6fffa;
  border: 1px solid #b2f5ea;
  color: #234e52;
  padding: 0.75rem;
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  line-height: 1.4;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

/* Technical Comparison Section */
.compare-table-wrapper {
  background: #ffffff;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
  overflow-x: auto;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.compare-table th, .compare-table td {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.92rem;
}

.compare-table th {
  background: var(--bg-subtle);
  font-weight: 800;
  color: var(--primary);
}

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

.compare-table tr:hover td {
  background: rgba(2, 132, 199, 0.02);
}

.status-check {
  color: var(--emerald);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 700;
}

.status-cross {
  color: #ef4444;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* Why Choose Extralum / Value Proposition */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.feature-box {
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: 2.25rem 2rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.feature-box:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

.feature-box-icon {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-lg);
  background: rgba(2, 132, 199, 0.1);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.feature-box h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.feature-box p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Coverage / Service Areas */
.coverage-box {
  background: var(--primary);
  color: #ffffff;
  border-radius: var(--radius-xl);
  padding: 3.5rem 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.coverage-box::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(249, 115, 22, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.coverage-title {
  font-size: 2.15rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.coverage-desc {
  font-size: 1rem;
  color: var(--aluminum-light);
  margin-bottom: 2rem;
}

.communes-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.commune-pill {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: #ffffff;
  font-weight: 600;
}

.commune-pill.highlight {
  background: var(--accent);
  border-color: var(--accent-light);
  color: #ffffff;
}

/* Gallery / Real Projects Showcase */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.gallery-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 280px;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  group: hover;
}

.gallery-visual {
  width: 100%;
  height: 100%;
  transition: transform var(--transition-smooth);
}

.gallery-card:hover .gallery-visual {
  transform: scale(1.08);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(15, 23, 42, 0.9) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  color: #ffffff;
}

.gallery-title {
  font-size: 1.15rem;
  font-weight: 700;
}

.gallery-location {
  font-size: 0.85rem;
  color: var(--accent-light);
}

/* FAQ Accordion */
.faq-grid {
  max-width: 840px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  transition: all var(--transition-fast);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 1.35rem 1.75rem;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
}

.faq-icon {
  width: 20px;
  height: 20px;
  color: var(--accent);
  transition: transform var(--transition-normal);
  flex-shrink: 0;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal) ease-out;
  padding-inline: 1.75rem;
}

.faq-answer p {
  padding-bottom: 1.35rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Contact Section & Form */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3.5rem;
  align-items: flex-start;
}

.contact-info-card {
  background: var(--primary);
  color: #ffffff;
  border-radius: var(--radius-xl);
  padding: 2.75rem 2.25rem;
  box-shadow: var(--shadow-lg);
}

.contact-info-card h3 {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.contact-info-card p {
  color: var(--aluminum-light);
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.channel-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.channel-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.1);
  color: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.channel-details h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--aluminum);
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 0.2rem;
}

.channel-details a, .channel-details p {
  font-size: 1.05rem;
  font-weight: 600;
  color: #ffffff;
}

.channel-details a:hover {
  color: var(--accent-light);
}

.btn-waze-nav {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: #33ccff;
  color: #0f172a !important;
  font-weight: 700 !important;
  font-size: 0.82rem !important;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  box-shadow: 0 4px 12px rgba(51, 204, 255, 0.3);
  text-decoration: none;
}

.btn-waze-nav:hover {
  background: #00bbee !important;
  color: #0f172a !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(51, 204, 255, 0.45);
}

.btn-maps-nav {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.1);
  color: #cbd5e1 !important;
  font-weight: 600 !important;
  font-size: 0.8rem !important;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-maps-nav:hover {
  background: rgba(255, 255, 255, 0.2) !important;
  color: #ffffff !important;
  transform: translateY(-2px);
}

.contact-form-box {
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: 2.75rem 2.5rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
}

/* Lightbox Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

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

.modal-content {
  background: #ffffff;
  border-radius: var(--radius-xl);
  max-width: 650px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  position: relative;
  padding: 2.5rem;
  transform: translateY(20px);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-subtle);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--border-light);
  color: var(--primary);
}

/* Floating WhatsApp Widget */
.floating-whatsapp {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 99;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.whatsapp-bubble {
  background: #ffffff;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
  border: 1px solid var(--border-light);
  display: none;
}

.whatsapp-btn-pulse {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--emerald);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.4);
  position: relative;
  transition: transform var(--transition-normal);
}

.whatsapp-btn-pulse:hover {
  transform: scale(1.08);
}

.whatsapp-btn-pulse::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--emerald);
  animation: ripple 2s infinite;
}

@keyframes ripple {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(1.4); opacity: 0; }
}

/* Footer Section */
.site-footer {
  background: var(--primary);
  color: var(--aluminum-light);
  padding: 5rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  font-size: 0.92rem;
  line-height: 1.6;
  margin-top: 1.25rem;
  color: var(--aluminum);
  max-width: 320px;
}

.footer-col h4 {
  font-size: 1.05rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 1.5rem;
}

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

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

.footer-links a:hover {
  color: var(--accent-light);
  transform: translateX(3px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.85rem;
  color: var(--aluminum-dark);
  flex-wrap: wrap;
  gap: 1rem;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .hero-card-preview {
    max-width: 540px;
    margin-inline: auto;
  }
  .cotizador-body {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .coverage-box {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .top-bar {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: #ffffff;
    flex-direction: column;
    padding: 2rem;
    box-shadow: var(--shadow-xl);
    border-bottom: 1px solid var(--border-light);
    transform: translateY(-150%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-normal);
    z-index: 99;
  }
  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .hero-title {
    font-size: 2.35rem;
  }
  .hero-features-list {
    grid-template-columns: 1fr;
  }
  .metrics-grid {
    grid-template-columns: 1fr 1fr;
  }
  .metric-item {
    border-bottom: 1px solid var(--border-light);
  }
  .catalog-grid {
    grid-template-columns: 1fr;
  }
  .input-row {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .glass-showcase-box {
    padding: 1.25rem;
  }
  .badge-position-1 {
    right: 0;
    bottom: -10px;
  }
  .badge-position-2 {
    left: 0;
    top: -10px;
  }
  .brand-logo-img {
    height: 42px;
    max-width: 215px;
  }
  .footer-logo-img {
    height: 48px;
    max-width: 240px;
  }
}

@media (max-width: 480px) {
  .brand-logo-img {
    height: 36px;
    max-width: 175px;
  }
  .footer-logo-img {
    height: 44px;
    max-width: 210px;
  }
}