/* ==========================================================================
   GR8 PAINTS & EPOXIES - HIGH-END MODERN DESIGN SYSTEM
   Bespoke Styling for Premium Epoxy Flooring & Concrete Coatings
   Brand Identity: Obsidian Black, Titanium Chrome, Brushed Silver, Ice Glow
   ========================================================================== */

/* --- CSS Reset & Variables --- */
:root {
  /* Brand Color Palette extracted from Logo */
  --bg-deep: #07090e;
  --bg-primary: #0b0f17;
  --bg-secondary: #111723;
  --bg-card: #151d2c;
  --bg-card-hover: #1a2538;
  --bg-glass: rgba(17, 23, 35, 0.75);
  --bg-glass-card: rgba(21, 29, 44, 0.65);
  
  /* Metallic Chrome & Titanium Highlights */
  --chrome-100: #ffffff;
  --chrome-200: #f1f5f9;
  --chrome-300: #e2e8f0;
  --chrome-400: #cbd5e1;
  --chrome-500: #94a3b8;
  --steel-600: #64748b;
  --steel-700: #475569;
  --steel-800: #334155;
  --steel-900: #1e293b;
  
  /* High-Tech Accent: Liquid Ice Metallic Glow */
  --accent-cyan: #38bdf8;
  --accent-blue: #2563eb;
  --accent-glow: rgba(56, 189, 248, 0.25);
  --accent-amber: #f59e0b;
  --accent-emerald: #10b981;

  /* Text Colors */
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --text-inverse: #0b0f17;

  /* Borders & Dividers */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-metallic: rgba(203, 213, 225, 0.18);
  --border-focus: rgba(56, 189, 248, 0.5);

  /* 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, 0.6);
  --shadow-glow: 0 0 30px rgba(56, 189, 248, 0.15);
  --shadow-metallic: 0 0 25px rgba(203, 213, 225, 0.12);

  /* Typography */
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Layout */
  --container-max: 1240px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 9999px;
  
  /* Transitions */
  --transition-fast: 0.18s ease;
  --transition-base: 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-deep);
  color: var(--text-main);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

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

.container-narrow {
  max-width: 900px;
}

.container-wide {
  max-width: 1360px;
}

.section {
  padding: 6.5rem 0;
  position: relative;
}

.section-sm {
  padding: 4rem 0;
}

.section-darker {
  background-color: var(--bg-deep);
}

.section-gradient {
  background: radial-gradient(circle at 50% 0%, #151e2f 0%, #0b0f17 70%);
}

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

.section-header {
  margin-bottom: 3.5rem;
}

.section-header.text-center {
  max-width: 740px;
  margin-left: auto;
  margin-right: auto;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-cyan);
  padding: 0.35rem 0.9rem;
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: var(--radius-pill);
  margin-bottom: 1rem;
}

.eyebrow-metallic {
  color: var(--chrome-300);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-metallic);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 2.85rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.15;
  color: var(--chrome-100);
  margin-bottom: 1.25rem;
}

.section-title span.text-gradient {
  background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 50%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-title span.text-cyan {
  background: linear-gradient(135deg, #38bdf8 0%, #0284c7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* --- Top Announcement / Utility Bar --- */
.topbar {
  background-color: #06080d;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.8125rem;
  padding: 0.55rem 0;
  color: var(--text-muted);
}

.topbar-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

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

.topbar-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--chrome-200);
  font-weight: 600;
}

.topbar-badge::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background-color: var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-cyan);
}

.topbar-phone {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--chrome-100);
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-fast);
}

.topbar-phone:hover {
  color: #fff;
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  color: #000;
}

/* --- Primary Navigation Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(11, 15, 23, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-base);
}

.site-header.scrolled {
  background: rgba(7, 9, 14, 0.98);
  border-bottom-color: var(--border-metallic);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
  gap: 1.5rem;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-logo-wrap {
  position: relative;
  width: 48px;
  height: 48px;
  border-radius: 8px;
  background: #000;
  padding: 2px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 2px 10px rgba(0,0,0,0.5);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.8));
}

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

.brand-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  color: var(--chrome-100);
  line-height: 1.1;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.brand-title span.brand-accent {
  color: var(--accent-cyan);
}

.brand-tagline {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--chrome-400);
  padding: 0.4rem 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--chrome-100);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-cyan), #ffffff);
  border-radius: var(--radius-pill);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.5rem;
  color: var(--chrome-200);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.05);
}

/* --- High-Impact Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.75rem 1.6rem;
  font-size: 0.925rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition-base);
  border: 1px solid transparent;
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #f8fafc 0%, #cbd5e1 50%, #94a3b8 100%);
  color: #090d14;
  box-shadow: 0 4px 18px rgba(255, 255, 255, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #ffffff 0%, #e2e8f0 50%, #cbd5e1 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.25), 0 0 20px rgba(56, 189, 248, 0.3);
  color: #000;
}

/* Standout Click-to-Call Buttons */
.btn-call {
  background: linear-gradient(135deg, #38bdf8 0%, #0284c7 100%);
  color: #07090e;
  font-weight: 800;
  box-shadow: 0 4px 20px rgba(56, 189, 248, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.4);
  position: relative;
}

.btn-call:hover {
  background: linear-gradient(135deg, #7dd3fc 0%, #0ea5e9 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(56, 189, 248, 0.6);
  color: #000;
}

.btn-call-outline {
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.4);
  color: var(--accent-cyan);
  font-weight: 700;
}

.btn-call-outline:hover {
  background: rgba(56, 189, 248, 0.2);
  border-color: var(--accent-cyan);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.3);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--chrome-200);
  border: 1px solid var(--border-metallic);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--chrome-100);
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1.15rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 1.05rem;
}

/* Pulsing Phone Icon Effect */
.pulse-phone {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.pulse-phone::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: rgba(56, 189, 248, 0.4);
  animation: pulse-ring 2s infinite cubic-bezier(0.215, 0.61, 0.355, 1);
  pointer-events: none;
}

@keyframes pulse-ring {
  0% { transform: scale(0.9); opacity: 0.8; }
  70% { transform: scale(1.6); opacity: 0; }
  100% { transform: scale(1.8); opacity: 0; }
}

/* --- Hero Section --- */
.hero {
  position: relative;
  padding: 5rem 0 6rem;
  min-height: 88vh;
  display: flex;
  align-items: center;
  background: radial-gradient(circle at 75% 25%, #182235 0%, #0b0f17 65%);
  overflow: hidden;
  border-bottom: 1px solid var(--border-subtle);
}

.hero::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.12) 0%, transparent 70%);
  filter: blur(70px);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  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);
  background-size: 60px 60px;
  pointer-events: none;
  opacity: 0.6;
}

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

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-metallic);
  font-size: 0.825rem;
  font-weight: 700;
  color: var(--chrome-300);
  margin-bottom: 1.5rem;
  backdrop-filter: blur(10px);
}

.hero-badge .sparkle {
  color: var(--accent-cyan);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 4.8vw, 3.85rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--chrome-100);
  margin-bottom: 1.5rem;
}

.hero-description {
  font-size: 1.18rem;
  color: var(--chrome-400);
  line-height: 1.65;
  margin-bottom: 2.25rem;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  flex-wrap: wrap;
  margin-bottom: 1.75rem;
}

/* Hero Fast Callout Bar */
.hero-call-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.25rem;
  background: rgba(17, 23, 35, 0.85);
  border: 1px solid var(--border-metallic);
  border-radius: var(--radius-lg);
  font-size: 0.9rem;
  color: var(--chrome-300);
  margin-bottom: 2.25rem;
  backdrop-filter: blur(10px);
}

.hero-call-bar a.phone-link {
  font-weight: 800;
  color: var(--accent-cyan);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.hero-call-bar a.phone-link:hover {
  text-decoration: underline;
  color: #fff;
}

.hero-trust-row {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  width: 100%;
}

.hero-trust-item {
  display: flex;
  flex-direction: column;
}

.hero-trust-val {
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--chrome-100);
  letter-spacing: -0.02em;
}

.hero-trust-lbl {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

/* Hero Showcase Card */
.hero-visual {
  position: relative;
}

.hero-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-metallic);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7), 0 0 35px rgba(56, 189, 248, 0.12);
  transition: transform var(--transition-slow);
}

.hero-card:hover {
  transform: translateY(-4px);
}

.hero-image-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 4.7;
  overflow: hidden;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform 0.8s ease;
}

.hero-card:hover .hero-image {
  transform: scale(1.03);
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.hero-sound-toggle {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: rgba(7, 9, 14, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-metallic);
  border-radius: var(--radius-pill);
  padding: 0.4rem 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--chrome-200);
  cursor: pointer;
  z-index: 4;
  transition: all var(--transition-fast);
}

.hero-sound-toggle:hover {
  background: var(--accent-cyan);
  color: #07090e;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.6);
}

.hero-overlay-tag {
  position: absolute;
  top: 1.25rem;
  left: 1.25rem;
  background: rgba(7, 9, 14, 0.82);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-metallic);
  border-radius: var(--radius-pill);
  padding: 0.4rem 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--chrome-200);
  z-index: 3;
}

.hero-overlay-tag .tag-dot {
  width: 7px;
  height: 7px;
  background: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 8px #22c55e;
}

.hero-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem 1.5rem 1.5rem;
  background: linear-gradient(to top, rgba(7, 9, 14, 0.95) 0%, rgba(7, 9, 14, 0.6) 65%, transparent 100%);
  z-index: 2;
}

.hero-caption-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--chrome-100);
  margin-bottom: 0.25rem;
}

.hero-caption-specs {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--chrome-400);
  flex-wrap: wrap;
}

.hero-caption-specs span {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.hero-floating-badge {
  position: absolute;
  bottom: -1.25rem;
  right: -1rem;
  background: rgba(17, 23, 35, 0.95);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-metallic);
  border-radius: var(--radius-lg);
  padding: 0.9rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  box-shadow: var(--shadow-lg);
  z-index: 4;
}

.badge-icon-box {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.2), rgba(37, 99, 235, 0.2));
  border: 1px solid rgba(56, 189, 248, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
}

.badge-text-top {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 600;
}

.badge-text-main {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--chrome-100);
}

/* --- Trust / Proof Strip --- */
.trust-strip {
  background: #090d15;
  border-bottom: 1px solid var(--border-subtle);
  padding: 2.25rem 0;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.trust-col {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.trust-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-metallic);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--chrome-200);
  flex-shrink: 0;
}

.trust-info h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--chrome-100);
  margin-bottom: 0.15rem;
}

.trust-info p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* --- Mid-Section High-Conversion Callout Banner --- */
.mid-cta-bar {
  background: linear-gradient(135deg, #131d2e 0%, #0c121e 100%);
  border: 1px solid var(--border-metallic);
  border-radius: var(--radius-xl);
  padding: 2rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  margin: 3.5rem 0 1rem;
}

.mid-cta-left {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.mid-cta-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.mid-cta-content h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 0.25rem;
}

.mid-cta-content p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.mid-cta-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

/* --- Services Grid Section --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

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

.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-metallic);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5), 0 0 25px rgba(56, 189, 248, 0.08);
}

.service-card.featured-card {
  border-color: rgba(56, 189, 248, 0.35);
  background: linear-gradient(180deg, #182236 0%, #151d2c 100%);
}

.service-card-image-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.service-card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.service-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(7, 9, 14, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-metallic);
  border-radius: var(--radius-pill);
  padding: 0.3rem 0.75rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-cyan);
}

.service-content {
  padding: 1.85rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--chrome-100);
  margin-bottom: 0.75rem;
  line-height: 1.25;
}

.service-desc {
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.service-features-list {
  list-style: none;
  margin-bottom: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.service-features-list li {
  font-size: 0.84rem;
  color: var(--chrome-300);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.service-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.service-link {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--chrome-200);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.service-card:hover .service-link {
  color: var(--accent-cyan);
  transform: translateX(4px);
}

/* --- Gallery & Projects Section --- */
.gallery-filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 2.75rem;
}

.filter-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--chrome-400);
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--chrome-100);
  border-color: var(--border-metallic);
}

.filter-btn.active {
  background: var(--chrome-100);
  color: #0b0f17;
  border-color: var(--chrome-100);
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.5rem;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-metallic);
  cursor: pointer;
  transition: all var(--transition-base);
}

.gallery-item:hover {
  transform: translateY(-4px);
  border-color: rgba(56, 189, 248, 0.4);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.7), 0 0 25px rgba(56, 189, 248, 0.12);
}

.gallery-item.col-8 { grid-column: span 8; }
.gallery-item.col-4 { grid-column: span 4; }
.gallery-item.col-6 { grid-column: span 6; }
.gallery-item.col-12 { grid-column: span 12; }

.gallery-media-wrap {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 340px;
  overflow: hidden;
}

.gallery-media-wrap.featured-height {
  min-height: 480px;
}

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

.gallery-item:hover .gallery-img {
  transform: scale(1.04);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7, 9, 14, 0.95) 0%, rgba(7, 9, 14, 0.4) 50%, rgba(7, 9, 14, 0.1) 100%);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  transition: opacity var(--transition-fast);
}

.gallery-tag {
  align-self: flex-start;
  padding: 0.3rem 0.75rem;
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: var(--accent-cyan);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-pill);
  margin-bottom: 0.75rem;
}

.gallery-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--chrome-100);
  margin-bottom: 0.35rem;
}

.gallery-meta {
  font-size: 0.85rem;
  color: var(--chrome-400);
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.gallery-zoom-icon {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(11, 15, 23, 0.7);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-metallic);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--chrome-100);
  opacity: 0;
  transform: scale(0.8);
  transition: all var(--transition-fast);
}

.gallery-item:hover .gallery-zoom-icon {
  opacity: 1;
  transform: scale(1);
}

/* --- 4-Step Process Section --- */
.process-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
  margin-top: 2rem;
}

.process-timeline::before {
  content: "";
  position: absolute;
  top: 40px;
  left: 60px;
  right: 60px;
  height: 2px;
  background: linear-gradient(90deg, 
    var(--accent-cyan) 0%, 
    rgba(56, 189, 248, 0.4) 50%, 
    var(--border-subtle) 100%
  );
  z-index: 1;
}

.process-step {
  position: relative;
  z-index: 2;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.25rem 1.5rem;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.process-step:hover {
  transform: translateY(-6px);
  border-color: var(--border-metallic);
  box-shadow: var(--shadow-md);
}

.step-number-wrap {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 2px solid var(--border-metallic);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--chrome-100);
  margin-bottom: 1.5rem;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.5);
}

.process-step:hover .step-number-wrap {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 20px var(--accent-glow);
}

.step-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--chrome-100);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.step-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* --- Why Choose Us / Differentiators --- */
.why-us-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.why-us-features {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.feature-box {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.feature-box:hover {
  border-color: var(--border-metallic);
  background: var(--bg-card-hover);
  transform: translateX(4px);
}

.feature-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.feature-body h4 {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--chrome-100);
  margin-bottom: 0.35rem;
}

.feature-body p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* --- Floor Systems Comparison Table --- */
.comparison-card {
  background: var(--bg-card);
  border: 1px solid var(--border-metallic);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

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

.comparison-table th, .comparison-table td {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.925rem;
}

.comparison-table th {
  background: #0f1624;
  color: var(--chrome-300);
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
}

.comparison-table th.highlight-col {
  background: #182337;
  color: var(--accent-cyan);
  border-left: 1px solid rgba(56, 189, 248, 0.3);
  border-right: 1px solid rgba(56, 189, 248, 0.3);
}

.comparison-table td.highlight-col {
  background: rgba(24, 35, 55, 0.4);
  border-left: 1px solid rgba(56, 189, 248, 0.2);
  border-right: 1px solid rgba(56, 189, 248, 0.2);
  font-weight: 600;
  color: var(--chrome-100);
}

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

.check-green {
  color: #22c55e;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

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

/* --- Interactive Estimate Calculator --- */
.calculator-card {
  background: linear-gradient(145deg, #131b29 0%, #0c111a 100%);
  border: 1px solid var(--border-metallic);
  border-radius: var(--radius-xl);
  padding: 2.75rem;
  box-shadow: var(--shadow-lg), 0 0 30px rgba(56, 189, 248, 0.08);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
}

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

.calc-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--chrome-200);
  margin-bottom: 0.85rem;
}

.calc-pills {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.calc-pill-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.65rem 1.15rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--chrome-300);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.calc-pill-btn:hover {
  border-color: var(--border-metallic);
  color: var(--chrome-100);
}

.calc-pill-btn.active {
  background: #1e293b;
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.25);
}

.calc-slider-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.calc-slider {
  width: 100%;
  height: 6px;
  background: #1e293b;
  border-radius: 4px;
  outline: none;
  -webkit-appearance: none;
}

.calc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-cyan);
  cursor: pointer;
  box-shadow: 0 0 12px var(--accent-cyan);
}

.calc-slider-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.calc-result-box {
  background: #080b12;
  border: 1px solid var(--border-metallic);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.calc-result-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.calc-price-display {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 900;
  color: var(--chrome-100);
  margin-bottom: 0.25rem;
  letter-spacing: -0.03em;
}

.calc-price-note {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  line-height: 1.4;
}

.calc-button-stack {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  width: 100%;
}

/* --- Testimonials / Reviews Section --- */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
}

.review-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-metallic);
  box-shadow: var(--shadow-md);
}

.review-stars {
  display: flex;
  gap: 0.25rem;
  color: #f59e0b;
  margin-bottom: 1.25rem;
}

.review-text {
  font-size: 0.95rem;
  color: var(--chrome-300);
  line-height: 1.65;
  margin-bottom: 1.5rem;
  flex-grow: 1;
  font-style: italic;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #1e293b;
  border: 1px solid var(--border-metallic);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: var(--chrome-100);
  font-size: 0.9rem;
}

.author-info h5 {
  font-size: 0.925rem;
  font-weight: 700;
  color: var(--chrome-100);
}

.author-info p {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* --- FAQ Accordion --- */
.faq-wrap {
  max-width: 820px;
  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-lg);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

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

.faq-question {
  width: 100%;
  padding: 1.35rem 1.75rem;
  background: transparent;
  border: none;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--chrome-100);
}

.faq-question svg {
  color: var(--accent-cyan);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 1.75rem;
  color: var(--text-muted);
  font-size: 0.925rem;
  line-height: 1.65;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 1.35rem;
}

/* --- Strong Final CTA Banner --- */
.cta-banner {
  position: relative;
  background: radial-gradient(circle at 50% 50%, #172338 0%, #0a0d15 80%);
  border-top: 1px solid var(--border-metallic);
  border-bottom: 1px solid var(--border-metallic);
  padding: 6.5rem 0;
  text-align: center;
  overflow: hidden;
}

.cta-banner::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(56, 189, 248, 0.15), transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
  margin: 0 auto;
}

.cta-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 900;
  letter-spacing: -0.025em;
  color: var(--chrome-100);
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.cta-desc {
  font-size: 1.15rem;
  color: var(--chrome-400);
  line-height: 1.6;
  margin-bottom: 2.25rem;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* --- Forms & Contact Page --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-metallic);
  border-radius: var(--radius-xl);
  padding: 2.75rem;
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 1.35rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--chrome-200);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  background: #090d15;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.15rem;
  color: var(--chrome-100);
  font-size: 0.925rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(56, 189, 248, 0.2);
}

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

.contact-info-panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item-box {
  display: flex;
  align-items: flex-start;
  gap: 1.15rem;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

.contact-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.contact-details h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--chrome-100);
  margin-bottom: 0.25rem;
}

.contact-details p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.service-area-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.area-pill {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  color: var(--chrome-300);
}

/* --- Floating Call & Quote Action Widget (Hidden per user request, leaving only clean mobile-sticky-bar) --- */
.floating-call-widget, .floating-call-btn {
  display: none !important;
}

.floating-call-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.85rem 1.4rem;
  background: linear-gradient(135deg, #38bdf8 0%, #0284c7 100%);
  color: #07090e;
  border-radius: var(--radius-pill);
  font-weight: 800;
  font-size: 0.95rem;
  box-shadow: 0 10px 25px rgba(56, 189, 248, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.3);
  transition: all var(--transition-base);
}

.floating-call-btn:hover {
  background: linear-gradient(135deg, #7dd3fc 0%, #0ea5e9 100%);
  transform: scale(1.05);
  box-shadow: 0 14px 32px rgba(56, 189, 248, 0.6);
  color: #000;
}

.floating-call-btn svg {
  animation: phone-shake 2.5s infinite;
}

@keyframes phone-shake {
  0%, 80%, 100% { transform: rotate(0); }
  85% { transform: rotate(15deg); }
  90% { transform: rotate(-15deg); }
  95% { transform: rotate(10deg); }
}

/* --- Footer --- */
.site-footer {
  background: #040609;
  border-top: 1px solid var(--border-subtle);
  padding: 5rem 0 2rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

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

.footer-brand p {
  margin-top: 1.15rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
  max-width: 320px;
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--chrome-100);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
}

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

.footer-links a {
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--chrome-100);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  flex-wrap: wrap;
  gap: 1rem;
}

/* --- Lightbox Modal --- */
.lightbox-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(4, 6, 9, 0.95);
  backdrop-filter: blur(16px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.lightbox-modal.active {
  display: flex;
  opacity: 1;
}

.lightbox-content {
  position: relative;
  max-width: 1000px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border-metallic);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.9);
}

.lightbox-image-wrap {
  position: relative;
  width: 100%;
  max-height: 70vh;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.lightbox-image {
  max-width: 100%;
  max-height: 70vh;
  object-fit: contain;
}

.lightbox-details {
  padding: 1.5rem 2rem;
  background: var(--bg-card);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.lightbox-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--chrome-100);
  margin-bottom: 0.25rem;
}

.lightbox-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(11, 15, 23, 0.85);
  border: 1px solid var(--border-metallic);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: background var(--transition-fast);
}

.lightbox-close:hover {
  background: #ef4444;
}

/* --- Mobile Navigation Drawer --- */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 320px;
  height: 100vh;
  background: #080c14;
  border-left: 1px solid var(--border-metallic);
  z-index: 1500;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.8);
}

.mobile-nav-drawer.open {
  transform: translateX(0);
}

.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 1400;
  display: none;
}

.mobile-nav-overlay.open {
  display: block;
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2.5rem;
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: auto;
}

.mobile-nav-links a {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--chrome-300);
}

.mobile-nav-links a.active, .mobile-nav-links a:hover {
  color: var(--accent-cyan);
}

/* --- Sticky Mobile Call/Estimate Bar --- */
.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 990;
  background: rgba(8, 12, 20, 0.98);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--border-metallic);
  padding: 0.75rem 1rem;
  box-shadow: 0 -8px 25px rgba(0,0,0,0.7);
}

.mobile-sticky-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 0.75rem;
}

/* --- Responsive Media Queries --- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .hero-visual {
    max-width: 550px;
    margin: 0 auto;
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-timeline {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-timeline::before {
    display: none;
  }
  .gallery-item.col-8, .gallery-item.col-4 {
    grid-column: span 6;
  }
  .calc-grid {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .why-us-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .mid-cta-bar {
    flex-direction: column;
    text-align: center;
  }
  .mid-cta-left {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .topbar {
    display: none;
  }
  .nav-menu, .nav-actions .btn {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .section {
    padding: 4.5rem 0;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .trust-grid {
    grid-template-columns: 1fr;
  }
  .process-timeline {
    grid-template-columns: 1fr;
  }
  .gallery-item.col-8, .gallery-item.col-4, .gallery-item.col-6 {
    grid-column: span 12;
  }
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  .calculator-card {
    padding: 1.75rem;
  }
  .calc-price-display {
    font-size: 2.25rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .mobile-sticky-bar {
    display: block;
  }
  body {
    padding-bottom: 70px;
  }
}

/* --- Premium Video Walkthroughs Showcase Grid (Option 1) --- */
.video-showcase-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.video-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-metallic);
  border-radius: var(--radius-xl);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
}

.video-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 35px rgba(56, 189, 248, 0.35), 0 14px 40px rgba(0, 0, 0, 0.7);
}

.video-thumb-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 9 / 14;
  overflow: hidden;
  background: #000;
}

.video-poster-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.video-card:hover .video-poster-img {
  transform: scale(1.06);
}

.video-live-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(8, 11, 18, 0.88);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(56, 189, 248, 0.45);
  border-radius: var(--radius-pill);
  padding: 0.35rem 0.8rem;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  z-index: 3;
}

.video-live-dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 10px #22c55e;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.9); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; box-shadow: 0 0 14px #22c55e; }
  100% { transform: scale(0.9); opacity: 0.8; }
}

.video-duration-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(8, 11, 18, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-metallic);
  border-radius: var(--radius-pill);
  padding: 0.35rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--chrome-200);
  z-index: 3;
}

.video-play-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: rgba(56, 189, 248, 0.95);
  color: #07090e;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 30px rgba(56, 189, 248, 0.6), 0 4px 15px rgba(0, 0, 0, 0.5);
  transition: all 0.3s ease;
  z-index: 3;
}

.video-card:hover .video-play-overlay {
  transform: translate(-50%, -50%) scale(1.15);
  background: #fff;
  color: #0284c7;
  box-shadow: 0 0 45px rgba(56, 189, 248, 0.9);
}

.video-card-body {
  padding: 1.25rem;
  background: var(--bg-card);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex-grow: 1;
  border-top: 1px solid var(--border-subtle);
}

.video-card-title {
  font-size: 1.025rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
}

.video-card-meta {
  font-size: 0.8rem;
  color: var(--accent-cyan);
  font-weight: 600;
}

.lightbox-video {
  max-width: 100%;
  max-height: 72vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  outline: none;
}

@media (max-width: 1100px) {
  .video-showcase-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .video-showcase-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Mobile Responsiveness & Touch Optimization --- */
html, body {
  overflow-x: hidden;
  max-width: 100vw;
}

@media (max-width: 768px) {
  /* Prevent iOS automatic input zoom */
  input, select, textarea, button {
    font-size: 16px !important;
  }

  /* Safe Area Inset Support */
  .mobile-sticky-bar {
    padding-bottom: calc(0.75rem + env(safe-area-inset-bottom, 0px));
  }

  body {
    padding-bottom: calc(75px + env(safe-area-inset-bottom, 0px));
  }

  .btn {
    min-height: 44px;
  }

  .nav-link, .mobile-nav-links a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }
}

@media (max-width: 640px) {
  .hero-actions {
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-trust-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  .hero-visual {
    width: 100%;
    max-width: 100%;
  }

  .hero-caption {
    padding: 1.25rem 1rem 1rem;
  }

  .hero-caption-title {
    font-size: 1rem;
  }

  .hero-caption-specs {
    font-size: 0.75rem;
    gap: 0.4rem;
  }

  .hero-sound-toggle {
    top: 0.75rem;
    right: 0.75rem;
    padding: 0.35rem 0.65rem;
    font-size: 0.7rem;
  }

  .hero-overlay-tag {
    top: 0.75rem;
    left: 0.75rem;
    padding: 0.35rem 0.65rem;
    font-size: 0.7rem;
  }

  .hero-floating-badge {
    bottom: -1rem;
    right: 1rem;
    padding: 0.65rem 1rem;
  }

  /* Mobile Lightbox modal refinement */
  .lightbox-modal {
    padding: 0.75rem;
  }

  .lightbox-content {
    max-height: 94vh;
    border-radius: var(--radius-lg);
  }

  .lightbox-image-wrap {
    max-height: 60vh;
  }

  .lightbox-video {
    max-height: 60vh;
  }

  .lightbox-details {
    padding: 0.85rem 1rem;
  }

  .lightbox-title {
    font-size: 1.05rem;
  }

  .lightbox-close {
    top: 0.5rem;
    right: 0.5rem;
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }

  /* Comparison table scrollability on mobile */
  .comparison-card {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .comparison-table {
    min-width: 540px;
  }
}