/* ==========================================================================
   POSTERAD - 3D In-Lift Advertising Experience
   Design System & Master Stylesheet
   Brand Colors: Amber/Gold (#F2A900), Deep Amber (#B87400),
                 Near-Black (#141210), Warm Off-White (#FAF7F0)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties / Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Brand Colors */
  --color-amber: #F2A900;
  --color-amber-hover: #FFAF00;
  --color-amber-glow: rgba(242, 169, 0, 0.45);
  --color-amber-light: #FFF7E6;
  --color-amber-deep: #B87400;
  --color-amber-dark: #8C5800;

  /* Neutral Spectrum */
  --color-black: #141210;
  --color-surface-dark: #1C1916;
  --color-surface-elevated: #24201C;
  --color-surface-card: #FFFFFF;
  --color-surface-subtle: #F3EFE6;
  --color-bg: #FAF7F0;
  
  /* Text */
  --color-text-main: #141210;
  --color-text-muted: #6B645C;
  --color-text-light: #FAF7F0;
  --color-text-dim: #A8A095;
  
  /* Borders & Accents */
  --color-border: #E5DFD3;
  --color-border-dark: #332E28;
  --color-border-amber: rgba(242, 169, 0, 0.35);

  /* Typography */
  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Space Mono', 'SFMono-Regular', Consolas, monospace;

  /* Layout & Spacing */
  --rail-width: 84px;
  --container-max: 1240px;
  --header-height: 76px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  /* Transitions & Shadows */
  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.65s cubic-bezier(0.16, 1, 0.3, 1);
  
  --shadow-sm: 0 2px 8px rgba(20, 18, 16, 0.05);
  --shadow-md: 0 8px 24px rgba(20, 18, 16, 0.08);
  --shadow-lg: 0 16px 48px rgba(20, 18, 16, 0.12);
  --shadow-lift: 0 24px 60px rgba(20, 18, 16, 0.18);
  --shadow-glow: 0 0 28px rgba(242, 169, 0, 0.5);
  --shadow-inner-panel: inset 0 2px 6px rgba(0, 0, 0, 0.4), inset 0 -2px 6px rgba(255, 255, 255, 0.05);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: var(--color-bg);
  color: var(--color-text-main);
}

body {
  font-family: var(--font-body);
  line-height: 1.6;
  background-color: var(--color-bg);
  color: var(--color-text-main);
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Selection */
::selection {
  background-color: var(--color-amber);
  color: var(--color-black);
}

/* Images & SVGs */
img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

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

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

/* Focus States */
:focus-visible {
  outline: 2px solid var(--color-amber);
  outline-offset: 3px;
}

/* --------------------------------------------------------------------------
   3. Typography & Utility Classes
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-black);
  letter-spacing: -0.025em;
}

.mono-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-amber-deep);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.mono-tag::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: var(--color-amber);
  border-radius: 2px;
  box-shadow: 0 0 8px var(--color-amber);
}

.section-lead {
  font-size: 1.18rem;
  color: var(--color-text-muted);
  max-width: 640px;
  line-height: 1.65;
  margin-top: 14px;
}

.highlight {
  color: var(--color-amber);
  position: relative;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 28px;
  padding-right: 28px;
}

/* Main Layout Grid with Left Rail */
.site-wrapper {
  display: flex;
  min-height: 100vh;
  position: relative;
}

.main-content {
  flex: 1;
  min-width: 0;
  margin-left: var(--rail-width);
  transition: margin-left var(--transition-smooth);
}

/* --------------------------------------------------------------------------
   4. Site Header & Backdrop
   -------------------------------------------------------------------------- */
.site-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10, 9, 8, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 92;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.site-backdrop.active {
  opacity: 1;
  pointer-events: auto;
  cursor: pointer;
}

.site-header {
  position: fixed;
  top: 0;
  left: var(--rail-width);
  right: 0;
  height: var(--header-height);
  background: rgba(250, 247, 240, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 90;
  border-bottom: 1px solid rgba(229, 223, 211, 0.7);
  transition: left var(--transition-smooth), background-color var(--transition-fast);
}

.site-header.scrolled {
  background: rgba(250, 247, 240, 0.96);
  box-shadow: 0 4px 20px rgba(20, 18, 16, 0.05);
}

.header-container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-left: 36px;
  padding-right: 36px;
  max-width: var(--container-max);
  margin: 0 auto;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
}

.brand-logo-img {
  height: 38px;
  width: auto;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.brand-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  background: var(--color-black);
  color: var(--color-amber);
  padding: 3px 7px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid rgba(242, 169, 0, 0.3);
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--color-text-main);
  transition: color var(--transition-fast);
  position: relative;
  padding: 6px 0;
}

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

.nav-link:hover {
  color: var(--color-amber-deep);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.contact-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-text-muted);
  padding: 6px 12px;
  background: var(--color-surface-subtle);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.contact-pill:hover {
  border-color: var(--color-amber);
  color: var(--color-black);
}

.contact-dot {
  width: 7px;
  height: 7px;
  background-color: #10B981;
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.7);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.96rem;
  padding: 12px 26px;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-amber);
  color: var(--color-black);
  box-shadow: 0 4px 14px rgba(242, 169, 0, 0.35);
}

.btn-primary:hover {
  background-color: var(--color-amber-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(242, 169, 0, 0.5);
}

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

.btn-dark {
  background-color: var(--color-black);
  color: var(--color-text-light);
  border: 1px solid var(--color-border-dark);
}

.btn-dark:hover {
  background-color: var(--color-surface-elevated);
  transform: translateY(-2px);
  border-color: var(--color-amber);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-black);
  border: 1.5px solid var(--color-border);
}

.btn-ghost:hover {
  border-color: var(--color-black);
  background-color: rgba(20, 18, 16, 0.03);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.88rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 15px 34px;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 101;
}

.mobile-nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-black);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* --------------------------------------------------------------------------
   5. Vertical Elevator Rail (Left Navigation Column)
   -------------------------------------------------------------------------- */
.elevator-rail {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--rail-width);
  background: linear-gradient(180deg, #1C1916 0%, #141210 100%);
  border-right: 1px solid rgba(242, 169, 0, 0.15);
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.35);
  z-index: 95;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 8px 16px;
  user-select: none;
}

.elevator-rail::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.06;
  background-image: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 2px,
    rgba(255, 255, 255, 0.2) 3px,
    transparent 4px
  );
  pointer-events: none;
}

/* Header of Rail: LED Floor Display */
.rail-indicator {
  width: 100%;
  background: #0D0C0A;
  border: 1px solid #332E27;
  border-radius: var(--radius-sm);
  padding: 8px 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  box-shadow: var(--shadow-inner-panel);
  margin-bottom: 24px;
  position: relative;
}

.indicator-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.indicator-arrow {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #38322A;
  transition: color var(--transition-fast), transform var(--transition-fast);
  line-height: 1;
}

.indicator-arrow.active {
  color: var(--color-amber);
  text-shadow: 0 0 10px var(--color-amber);
}

.indicator-floor {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-amber);
  letter-spacing: 0.05em;
  text-shadow: 0 0 12px rgba(242, 169, 0, 0.8);
  min-width: 28px;
  text-align: center;
}

.indicator-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: #7A7268;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.mobile-tap-hint {
  display: none;
}

/* Elevator Floor Buttons */
.rail-buttons {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
  align-items: center;
  flex: 1;
  justify-content: center;
}

.rail-btn {
  position: relative;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #2C2823 0%, #171512 85%);
  border: 1.5px solid #3E3831;
  color: #8C8478;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.6), inset 0 1px 1px rgba(255, 255, 255, 0.1);
}

.rail-btn-num {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1;
  transition: all var(--transition-fast);
}

.rail-btn-sub {
  font-family: var(--font-mono);
  font-size: 0.52rem;
  letter-spacing: 0.05em;
  opacity: 0.7;
  margin-top: 1px;
}

.rail-btn:hover {
  border-color: var(--color-amber);
  color: #E6E0D5;
  transform: scale(1.06);
}

/* Active Button State (Illuminated Elevator Halo) */
.rail-btn.active {
  border-color: var(--color-amber);
  color: var(--color-black);
  background: radial-gradient(circle at 45% 45%, #FFBE26 0%, #F2A900 70%, #B87400 100%);
  box-shadow: 0 0 18px rgba(242, 169, 0, 0.75), inset 0 1px 2px rgba(255, 255, 255, 0.6);
  transform: scale(1.1);
}

.rail-btn.active .rail-btn-num,
.rail-btn.active .rail-btn-sub {
  color: var(--color-black);
  font-weight: 800;
  text-shadow: none;
}

/* Tooltip on hover */
.rail-tooltip {
  position: absolute;
  left: calc(100% + 14px);
  top: 50%;
  transform: translateY(-50%) translateX(-8px);
  background: #141210;
  color: #FAF7F0;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: all var(--transition-fast);
  border: 1px solid #332E27;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.rail-tooltip::before {
  content: '';
  position: absolute;
  right: 100%;
  top: 50%;
  transform: translateY(-50%);
  border-width: 5px;
  border-style: solid;
  border-color: transparent #141210 transparent transparent;
}

.rail-btn:hover .rail-tooltip {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

/* Bottom Controls of Rail */
.rail-footer {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid #282420;
}

.sound-toggle-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #1C1916;
  border: 1px solid #332E27;
  color: #7A7268;
  transition: all var(--transition-fast);
}

.sound-toggle-btn:hover {
  color: var(--color-amber);
  border-color: var(--color-amber);
}

.sound-toggle-btn.sound-on {
  color: var(--color-amber);
  border-color: rgba(242, 169, 0, 0.4);
  box-shadow: 0 0 10px rgba(242, 169, 0, 0.3);
}

/* --------------------------------------------------------------------------
   6. Hero Section with 3D Three.js Elevator Scene
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  overflow: hidden;
  background: radial-gradient(circle at 60% 40%, #FFF9EC 0%, #FAF7F0 60%);
}

.hero-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 48px;
  padding-top: 40px;
  padding-bottom: 60px;
  position: relative;
  z-index: 10;
}

.hero-copy {
  max-width: 660px;
}

.hero-badge-wrap {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}

.hero-badge-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-amber-dark);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(2.6rem, 5.2vw, 4.2rem);
  font-weight: 800;
  line-height: 1.05;
  color: var(--color-black);
  margin-bottom: 22px;
  letter-spacing: -0.035em;
}

.hero-title span.accent {
  background: linear-gradient(135deg, #141210 30%, #B87400 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.22rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 36px;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

/* Stat Strip under Hero */
.hero-stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

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

.stat-value {
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--color-black);
  line-height: 1;
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.stat-value .unit {
  font-size: 1.2rem;
  color: var(--color-amber-deep);
}

.stat-label {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-top: 6px;
  font-weight: 500;
  line-height: 1.35;
}

/* 3D Canvas Stage Container */
.hero-3d-stage {
  position: relative;
  width: 100%;
  height: 580px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.elevator-3d-container {
  width: 100%;
  height: 100%;
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(20, 18, 16, 0.12), 0 1px 3px rgba(20, 18, 16, 0.08);
  border: 1px solid var(--color-border);
  background: #141210;
}

#elevator-canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
  outline: none;
}

/* Interactive Overlay on the 3D Stage */
.stage-ui-overlay {
  position: absolute;
  top: 16px;
  left: 16px;
  right: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  pointer-events: none;
  z-index: 5;
}

.stage-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 4px 10px;
  background: rgba(20, 18, 16, 0.75);
  backdrop-filter: blur(8px);
  color: var(--color-amber);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(242, 169, 0, 0.3);
  letter-spacing: 0.08em;
}

.stage-control-hint {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: #A39B8F;
  background: rgba(20, 18, 16, 0.75);
  backdrop-filter: blur(8px);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid #332E27;
  pointer-events: auto;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.stage-control-hint:hover {
  color: #FFFFFF;
  border-color: var(--color-amber);
}

/* Stage Loading Indicator */
.stage-loader {
  position: absolute;
  inset: 0;
  background: #141210;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  z-index: 20;
  transition: opacity 0.5s ease;
}

.stage-loader.fade-out {
  opacity: 0;
  pointer-events: none;
}

.loader-spinner {
  width: 44px;
  height: 44px;
  border: 3px solid rgba(242, 169, 0, 0.2);
  border-top-color: var(--color-amber);
  border-radius: 50%;
  animation: spin-loader 0.8s linear infinite;
}

@keyframes spin-loader {
  to { transform: rotate(360deg); }
}

.loader-text {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-amber);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* CSS Fallback (when WebGL or reduced-motion is active) */
.elevator-css-fallback {
  display: none;
  position: absolute;
  inset: 0;
  background: #191714;
  overflow: hidden;
}

.fallback-doors {
  position: absolute;
  inset: 0;
  display: flex;
}

.fallback-door {
  flex: 1;
  height: 100%;
  background: linear-gradient(90deg, #2D2925 0%, #3B3630 50%, #2D2925 100%);
  border: 1px solid #48423B;
  position: relative;
  transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.fallback-door.left {
  border-right: 2px solid #141210;
}

.fallback-door.right {
  border-left: 2px solid #141210;
}

.fallback-interior {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle, #2A2520 0%, #141210 100%);
  padding: 24px;
  text-align: center;
}

.fallback-ad-frame {
  width: 220px;
  height: 310px;
  background: #FFFFFF;
  border: 8px solid #E5DFD3;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 16px;
  border-radius: 4px;
}

/* --------------------------------------------------------------------------
   7. Section 01: Why Lift Advertising (Captive Attention)
   -------------------------------------------------------------------------- */
.section {
  padding-top: 110px;
  padding-bottom: 110px;
  position: relative;
  scroll-margin-top: calc(var(--header-height) + 16px);
}

.hero-section {
  scroll-margin-top: 0;
}

/* Mobile Drawer - hidden on desktop */
.mobile-menu-drawer {
  display: none;
}

.section-header {
  margin-bottom: 56px;
}

.section-title {
  font-size: clamp(2rem, 3.8vw, 3rem);
  font-weight: 800;
  margin-top: 12px;
  color: var(--color-black);
}

/* Why Section 3-Pillar Grid */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 48px;
}

.pillar-card {
  background: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
  position: relative;
  display: flex;
  flex-direction: column;
}

.pillar-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-border-amber);
  box-shadow: var(--shadow-lg);
}

.pillar-num {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--color-amber-deep);
  font-weight: 700;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.pillar-icon-wrap {
  width: 54px;
  height: 54px;
  background: var(--color-amber-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-amber-dark);
  margin-bottom: 22px;
}

.pillar-title {
  font-size: 1.45rem;
  margin-bottom: 14px;
}

.pillar-body {
  color: var(--color-text-muted);
  font-size: 0.98rem;
  line-height: 1.6;
  flex: 1;
}

.pillar-highlight-tag {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-black);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Comparison Widget: Lift Poster vs Digital Ads */
.comparison-banner {
  background: #141210;
  color: #FAF7F0;
  border-radius: var(--radius-xl);
  padding: 40px 48px;
  margin-top: 24px;
  box-shadow: var(--shadow-lg);
  border: 1px solid #332E27;
}

.comparison-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 16px;
}

.comparison-title {
  color: #FAF7F0;
  font-size: 1.5rem;
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.comparison-card {
  background: #1C1916;
  border: 1px solid #2F2A24;
  border-radius: var(--radius-md);
  padding: 24px;
}

.comparison-metric {
  font-size: 0.85rem;
  color: #A39B8F;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--font-mono);
  margin-bottom: 14px;
}

.comparison-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid #282420;
}

.comparison-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.channel-name {
  font-size: 0.9rem;
  color: #D1C9BE;
}

.channel-val {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
}

.channel-val.lift {
  color: var(--color-amber);
}

.channel-val.digital {
  color: #7A7268;
}

/* --------------------------------------------------------------------------
   8. Section 02: Services (6 Full-Cycle Cards)
   -------------------------------------------------------------------------- */
.services-section {
  background: #F4EFE5;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-amber);
}

.service-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.service-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: #141210;
  color: var(--color-amber);
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-amber-dark);
  background: var(--color-amber-light);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  font-weight: 700;
}

.service-title {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.service-desc {
  color: var(--color-text-muted);
  font-size: 0.94rem;
  line-height: 1.6;
  flex: 1;
}

.service-features {
  list-style: none;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-features li {
  font-size: 0.84rem;
  color: var(--color-text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-features li::before {
  content: '✓';
  color: var(--color-amber-deep);
  font-weight: 800;
  font-size: 0.85rem;
}

/* --------------------------------------------------------------------------
   9. Section 03: How It Works (Elevator 4-Floor Journey 01–04)
   -------------------------------------------------------------------------- */
.how-it-works-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  margin-top: 36px;
}

.how-it-works-timeline::before {
  content: '';
  position: absolute;
  top: 45px;
  left: 5%;
  right: 5%;
  height: 2px;
  background: repeating-linear-gradient(
    90deg,
    var(--color-amber) 0px,
    var(--color-amber) 8px,
    transparent 8px,
    transparent 14px
  );
  z-index: 1;
}

.step-card {
  position: relative;
  z-index: 2;
  background: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
}

.step-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-amber);
  box-shadow: var(--shadow-lg);
}

.step-indicator {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #141210;
  color: var(--color-amber);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 3px solid var(--color-amber);
  box-shadow: 0 0 16px rgba(242, 169, 0, 0.4);
  margin-bottom: 24px;
}

.step-floor-label {
  font-family: var(--font-mono);
  font-size: 0.52rem;
  letter-spacing: 0.05em;
  color: #A39B8F;
  line-height: 1;
}

.step-number {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  line-height: 1;
}

.step-title {
  font-size: 1.22rem;
  margin-bottom: 10px;
}

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

.step-turnaround {
  margin-top: 18px;
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-amber-dark);
  background: var(--color-amber-light);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   10. Section 04: Coverage & Building Types
   -------------------------------------------------------------------------- */
.coverage-tabs-wrap {
  margin-top: 36px;
}

.coverage-tabs {
  display: flex;
  gap: 12px;
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 12px;
  overflow-x: auto;
}

.coverage-tab-btn {
  padding: 12px 22px;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  background: transparent;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.coverage-tab-btn:hover {
  color: var(--color-black);
  background: rgba(20, 18, 16, 0.04);
}

.coverage-tab-btn.active {
  background: var(--color-black);
  color: var(--color-amber);
  box-shadow: 0 4px 14px rgba(20, 18, 16, 0.2);
}

.coverage-content {
  margin-top: 36px;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.coverage-pane-info {
  padding: 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.coverage-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-amber-dark);
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.coverage-pane-title {
  font-size: 2rem;
  margin-bottom: 14px;
}

.coverage-pane-desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 28px;
}

.coverage-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 32px;
  padding: 20px;
  background: var(--color-surface-subtle);
  border-radius: var(--radius-md);
}

.cov-stat-val {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-black);
}

.cov-stat-lbl {
  font-size: 0.76rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.coverage-pane-preview {
  background: linear-gradient(135deg, #1C1916 0%, #141210 100%);
  padding: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  border-left: 1px solid #2B2621;
}

/* Elevator Poster Mockup Preview Frame */
.lift-mockup-frame {
  width: 280px;
  height: 380px;
  background: #EFECE6;
  border: 14px solid #332E27;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7), inset 0 0 14px rgba(0, 0, 0, 0.2);
  border-radius: 6px;
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.mockup-header-bar {
  background: #141210;
  color: var(--color-amber);
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mockup-ad-content {
  flex: 1;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: #FFFFFF;
}

.mockup-ad-headline {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  color: #141210;
  line-height: 1.2;
}

.mockup-qr-box {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  background: #FAF7F0;
  border-radius: var(--radius-sm);
  border: 1px dashed #CFC7BA;
}

.mockup-qr-code {
  width: 44px;
  height: 44px;
  background: #141210;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-amber);
}

.mockup-qr-text {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  line-height: 1.3;
}

/* --------------------------------------------------------------------------
   11. Section 05: Contact & Booking Enquiry
   -------------------------------------------------------------------------- */
.contact-section {
  background: #141210;
  color: #FAF7F0;
  position: relative;
}

.contact-section .section-title {
  color: #FAF7F0;
}

.contact-section .section-lead {
  color: #A39B8F;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  margin-top: 48px;
}

.contact-info-col {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-details-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-top: 32px;
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

.contact-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: #24201C;
  border: 1px solid #38322A;
  color: var(--color-amber);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item-label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: #8C8478;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.contact-item-value {
  font-size: 1.05rem;
  color: #FAF7F0;
  font-weight: 500;
}

.contact-item-value a:hover {
  color: var(--color-amber);
}



/* Booking Enquiry Form Card */
.enquiry-form-card {
  background: #1C1916;
  border: 1px solid #332E27;
  border-radius: var(--radius-xl);
  padding: 44px;
  box-shadow: var(--shadow-lift);
}

.form-header {
  margin-bottom: 28px;
}

.form-header h3 {
  color: #FAF7F0;
  font-size: 1.6rem;
  margin-bottom: 8px;
}

.form-header p {
  color: #A39B8F;
  font-size: 0.92rem;
}

.booking-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #C2BAAF;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.form-input, .form-select, .form-textarea {
  background: #141210;
  border: 1px solid #3A342D;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: #FAF7F0;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--color-amber);
  outline: none;
  box-shadow: 0 0 0 3px rgba(242, 169, 0, 0.2);
}

.form-input::placeholder, .form-textarea::placeholder {
  color: #574F45;
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

/* Property Selection Checkbox Grid */
.property-checkboxes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: #141210;
  border: 1px solid #332E27;
  border-radius: var(--radius-sm);
  font-size: 0.86rem;
  color: #D1C9BE;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.checkbox-label:hover {
  border-color: var(--color-amber);
}

.checkbox-label input[type="checkbox"] {
  accent-color: var(--color-amber);
  width: 16px;
  height: 16px;
}

.checkbox-label:has(input:checked) {
  border-color: var(--color-amber);
  background: rgba(242, 169, 0, 0.08);
  color: #FFFFFF;
}

/* Form Submit Feedback */
.form-status {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  display: none;
}

.form-status.success {
  display: block;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid #10B981;
  color: #6EE7B7;
}

.form-status.error {
  display: block;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid #EF4444;
  color: #FCA5A5;
}

/* --------------------------------------------------------------------------
   12. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: #0E0D0B;
  border-top: 1px solid #282420;
  color: #7A7268;
  padding: 48px 0 36px;
}

.footer-container {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-logo-img {
  height: 34px;
  width: auto;
  object-fit: contain;
  display: block;
}

.footer-brand-title {
  color: #FAF7F0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.footer-call-ground-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #1C1916;
  border: 1px solid #332E27;
  color: var(--color-amber);
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  transition: all var(--transition-fast);
}

.footer-call-ground-btn:hover {
  background: var(--color-amber);
  color: var(--color-black);
  border-color: var(--color-amber);
  box-shadow: 0 0 16px rgba(242, 169, 0, 0.4);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid #1E1B18;
  padding-top: 24px;
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a:hover {
  color: #FAF7F0;
}

/* --------------------------------------------------------------------------
   13. Responsive Media Queries
   -------------------------------------------------------------------------- */
@media (max-width: 1080px) {
  .hero-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-3d-stage {
    height: 440px;
  }

  .pillars-grid, .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .how-it-works-timeline {
    grid-template-columns: repeat(2, 1fr);
  }

  .how-it-works-timeline::before {
    display: none;
  }

  .coverage-content {
    grid-template-columns: 1fr;
  }

  .coverage-pane-preview {
    border-left: none;
    border-top: 1px solid #2B2621;
    padding: 36px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  :root {
    --rail-width: 0px;
    --header-height: 64px;
  }

  body {
    padding-bottom: 74px; /* Space for sticky bottom elevator rail */
  }

  .main-content {
    margin-left: 0;
  }

  /* Header Optimization */
  .site-header {
    left: 0;
    height: var(--header-height);
  }

  .header-container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .brand-logo-img {
    height: 30px;
  }

  .brand-badge {
    display: none; /* Hide badge on mobile to prevent crowding */
  }

  .nav-desktop, .contact-pill {
    display: none;
  }

  .header-actions {
    gap: 10px;
  }

  .header-actions .btn-sm {
    padding: 7px 14px;
    font-size: 0.82rem;
    white-space: nowrap;
    line-height: 1;
  }

  .mobile-nav-toggle {
    display: flex;
    padding: 6px;
  }

  /* Mobile Drawer Menu */
  .mobile-menu-drawer {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: #141210;
    padding: 20px;
    border-bottom: 1.5px solid rgba(242, 169, 0, 0.3);
    display: none;
    flex-direction: column;
    gap: 12px;
    z-index: 96;
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.9);
  }

  .drawer-header-mobile {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 10px;
    border-bottom: 1px solid #28241F;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-amber);
    letter-spacing: 0.1em;
    font-weight: 700;
  }

  .drawer-close-btn {
    background: #24201B;
    border: 1px solid #3D362E;
    color: #FAF7F0;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.82rem;
    cursor: pointer;
    touch-action: manipulation;
    transition: all var(--transition-fast);
  }

  .drawer-close-btn:hover, .drawer-close-btn:active {
    background: var(--color-amber);
    color: var(--color-black);
    border-color: var(--color-amber);
  }

  .mobile-menu-drawer.open {
    display: flex;
  }

  .mobile-menu-drawer a {
    color: #FAF7F0;
    font-size: 1.05rem;
    font-weight: 600;
    padding: 8px 0;
    border-bottom: 1px solid #221E1A;
  }

  .mobile-menu-drawer a:last-child {
    border-bottom: none;
  }

  .mobile-menu-drawer a:hover {
    color: var(--color-amber);
  }

  /* Hero Section on Mobile */
  .hero-section {
    min-height: auto;
    padding-top: calc(var(--header-height) + 16px);
    padding-bottom: 40px;
  }

  .hero-layout {
    grid-template-columns: 1fr;
    padding-top: 12px;
    padding-bottom: 16px;
    gap: 32px;
  }

  .hero-badge-wrap {
    margin-bottom: 16px;
    padding: 4px 10px;
  }

  .hero-badge-tag {
    font-size: 0.65rem;
  }

  .mono-tag {
    font-size: 0.72rem;
  }

  .hero-title {
    font-size: clamp(2rem, 8vw, 2.7rem);
    line-height: 1.1;
    margin-bottom: 16px;
    letter-spacing: -0.03em;
  }

  .hero-description {
    font-size: 1rem;
    line-height: 1.55;
    margin-bottom: 24px;
  }

  .hero-cta-group {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    margin-bottom: 32px;
  }

  .hero-cta-group .btn {
    width: 100%;
    justify-content: center;
    padding: 13px 20px;
    font-size: 0.95rem;
  }

  .hero-stat-strip {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    padding-top: 24px;
  }

  .stat-value {
    font-size: 1.75rem;
  }

  .stat-label {
    font-size: 0.76rem;
    line-height: 1.3;
  }

  /* 3D Elevator Stage on Mobile */
  .hero-3d-stage {
    height: 380px;
    width: 100%;
  }

  .stage-badge {
    font-size: 0.62rem;
    padding: 3px 8px;
  }

  .stage-control-hint {
    font-size: 0.72rem;
    padding: 6px 12px;
    min-height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(20, 18, 16, 0.88);
    border: 1px solid rgba(242, 169, 0, 0.45);
    color: #FAF7F0;
    touch-action: manipulation;
    cursor: pointer;
    border-radius: var(--radius-sm);
  }

  /* Section Containers */
  .section {
    padding-top: 64px;
    padding-bottom: 64px;
    scroll-margin-top: calc(var(--header-height) + 8px);
  }

  .container {
    padding-left: 18px;
    padding-right: 18px;
  }

  .section-header {
    margin-bottom: 36px;
  }

  .section-title {
    font-size: clamp(1.75rem, 6.5vw, 2.25rem);
  }

  .section-lead {
    font-size: 0.98rem;
    line-height: 1.6;
    margin-top: 10px;
  }

  /* Section 01: Why Lift Ads */
  .pillars-grid {
    grid-template-columns: 1fr;
    gap: 18px;
    margin-bottom: 32px;
  }

  .pillar-card {
    padding: 24px 20px;
    border-radius: var(--radius-md);
  }

  .pillar-title {
    font-size: 1.3rem;
  }

  .comparison-banner {
    padding: 24px 18px;
    border-radius: var(--radius-lg);
  }

  .comparison-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 22px;
  }

  .comparison-title {
    font-size: 1.3rem;
  }

  .comparison-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .comparison-card {
    padding: 18px 16px;
  }

  /* Section 02: Services */
  .services-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .service-card {
    padding: 24px 20px;
    border-radius: var(--radius-md);
  }

  .service-title {
    font-size: 1.22rem;
  }

  /* Section 03: How It Works */
  .how-it-works-timeline {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 24px;
  }

  .step-card {
    padding: 22px 18px;
    border-radius: var(--radius-md);
  }

  .step-indicator {
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
  }

  .step-number {
    font-size: 1.15rem;
  }

  /* Section 04: Coverage */
  .coverage-tabs {
    gap: 8px;
    padding-bottom: 8px;
  }

  .coverage-tab-btn {
    padding: 9px 16px;
    font-size: 0.85rem;
  }

  .coverage-content {
    grid-template-columns: 1fr;
    border-radius: var(--radius-lg);
    margin-top: 24px;
  }

  .coverage-pane-info {
    padding: 24px 18px;
  }

  .coverage-pane-title {
    font-size: 1.5rem;
  }

  .coverage-pane-desc {
    font-size: 0.95rem;
    margin-bottom: 20px;
  }

  .coverage-stats-row {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 16px;
    margin-bottom: 24px;
  }

  .coverage-pane-preview {
    border-left: none;
    border-top: 1px solid #2B2621;
    padding: 28px 16px;
  }

  .lift-mockup-frame {
    width: 250px;
    height: 340px;
  }

  /* Section 05: Contact & Form */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    margin-top: 28px;
  }

  .contact-details-list {
    gap: 20px;
    margin-top: 24px;
  }

  .contact-item-value {
    font-size: 0.96rem;
  }

  .enquiry-form-card {
    padding: 24px 18px;
    border-radius: var(--radius-lg);
  }

  .form-header h3 {
    font-size: 1.4rem;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .property-checkboxes {
    grid-template-columns: 1fr;
  }

  /* Bottom Floating Elevator Rail on Mobile: Clean Pill + Tap-to-Expand Keypad */
  .elevator-rail {
    top: auto;
    bottom: max(14px, env(safe-area-inset-bottom));
    left: 50%;
    transform: translateX(-50%);
    width: auto;
    height: auto;
    flex-direction: column-reverse;
    align-items: center;
    padding: 0;
    background: transparent;
    border: none;
    box-shadow: none;
    z-index: 95;
    gap: 8px;
  }

  .elevator-rail::before {
    display: none;
  }

  /* Compact Floating Pill */
  .rail-indicator {
    margin: 0;
    padding: 7px 16px;
    border-radius: var(--radius-full);
    border: 1.5px solid rgba(242, 169, 0, 0.45);
    background: rgba(20, 18, 16, 0.94);
    box-shadow: 0 8px 26px rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
  }

  .rail-indicator:active {
    transform: scale(0.96);
  }

  .indicator-label {
    display: none;
  }

  .indicator-screen {
    display: flex;
    align-items: center;
    gap: 5px;
  }

  .indicator-floor {
    font-size: 1.1rem;
    font-weight: 800;
    min-width: 20px;
    color: var(--color-amber);
    text-shadow: 0 0 10px rgba(242, 169, 0, 0.7);
  }

  .indicator-arrow {
    font-size: 0.76rem;
  }

  .mobile-tap-hint {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    color: #C2BAAF;
    letter-spacing: 0.08em;
    padding-left: 8px;
    border-left: 1px solid #332E27;
  }

  /* Elevator Floor Buttons Popup Keypad */
  .rail-buttons {
    display: none;
    flex-direction: column-reverse;
    gap: 8px;
    background: rgba(20, 18, 16, 0.98);
    border: 1.5px solid rgba(242, 169, 0, 0.35);
    border-radius: var(--radius-lg);
    padding: 12px;
    margin-bottom: 4px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    animation: popUpRail 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .elevator-rail.open .rail-buttons {
    display: flex;
  }

  .keypad-header-mobile {
    order: 999;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 8px;
    margin-bottom: 4px;
    border-bottom: 1px solid #2B2620;
    width: 100%;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--color-amber);
    letter-spacing: 0.08em;
    font-weight: 700;
  }

  .keypad-close-btn {
    background: #24201B;
    border: 1px solid #3D362E;
    color: #FAF7F0;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    cursor: pointer;
    touch-action: manipulation;
    transition: all var(--transition-fast);
  }

  .keypad-close-btn:hover, .keypad-close-btn:active {
    background: var(--color-amber);
    color: var(--color-black);
    border-color: var(--color-amber);
  }

  @keyframes popUpRail {
    from {
      opacity: 0;
      transform: translateY(10px) scale(0.95);
    }
    to {
      opacity: 1;
      transform: translateY(0) scale(1);
    }
  }

  .rail-btn {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: 50%;
  }

  .rail-btn-num {
    font-size: 0.92rem;
  }

  .rail-btn-sub {
    display: block;
    font-size: 0.52rem;
  }

  .rail-tooltip {
    display: none;
  }

  .rail-footer {
    display: none;
  }

  /* Footer on Mobile */
  .site-footer {
    padding: 36px 0 24px;
  }

  .footer-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }

  .footer-call-ground-btn {
    width: 100%;
    justify-content: center;
    padding: 12px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .footer-links {
    flex-wrap: wrap;
    gap: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}