/* ==========================================================================
   Ecco — Luxury Architectural Lighting & Automation Website
   White & Alabaster Gallery Theme — Inspired by Lutron Luxury & Architectural Digest
   ========================================================================== */

:root {
  --bg-deep: #FAF8F5;
  --bg-surface: #F3EFEA;
  --bg-card: #FFFFFF;
  --bg-card-hover: #FDFCFB;
  --primary-plum: #51225D;
  --primary-plum-hover: #6B2C7B;
  --primary-plum-light: #7E2E8F;
  --primary-plum-dark: #35113E;
  --accent-amethyst: #6B267B;
  --accent-amethyst-light: #8B3A9E;
  --accent-lilac: #51225D;
  --accent-plum-glow: rgba(81, 34, 93, 0.14);
  --accent-titanium: #57534E;
  --text-primary: #141413;
  --text-secondary: #57534E;
  --text-muted: #8A847C;
  --border-subtle: rgba(20, 20, 19, 0.08);
  --border-plum: rgba(81, 34, 93, 0.22);
  --border-amethyst: rgba(107, 38, 123, 0.3);
  --shadow-luxury: 0 24px 48px -12px rgba(20, 20, 19, 0.08), 0 4px 16px rgba(20, 20, 19, 0.03);
  --shadow-card: 0 12px 32px -8px rgba(20, 20, 19, 0.05), 0 2px 6px rgba(20, 20, 19, 0.02);
  --shadow-glow: 0 10px 28px rgba(81, 34, 93, 0.22);
  /* Aliases for backwards compatibility */
  --accent-gold: var(--accent-amethyst);
  --accent-champagne: var(--accent-lilac);
  --accent-amber: var(--primary-plum);
  --accent-amber-glow: var(--accent-plum-glow);
  --border-gold: var(--border-plum);
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

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

/* Sunlit Architectural Glow Backdrop */
.ambient-lighting {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  background: 
    radial-gradient(circle at 50% 0%, rgba(255, 238, 210, 0.45) 0%, transparent 60%),
    radial-gradient(circle at 85% 25%, rgba(81, 34, 93, 0.04) 0%, transparent 45%),
    radial-gradient(circle at 15% 70%, rgba(214, 196, 168, 0.14) 0%, transparent 50%);
  transition: background 1s ease;
}

.container {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 1;
}

/* ==========================================================================
   Navigation Bar (Frosted White Gallery Glass)
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  background: rgba(250, 248, 245, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition-smooth);
}

.site-header.scrolled {
  padding: 12px 0;
  background: rgba(255, 255, 255, 0.95);
  border-bottom-color: rgba(81, 34, 93, 0.14);
  box-shadow: 0 8px 30px rgba(20, 20, 19, 0.06);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.brand-logo-link:hover {
  transform: translateY(-1px);
}

.brand-logo-img {
  height: 46px;
  width: auto;
  transition: var(--transition-smooth);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: 0.4px;
  transition: var(--transition-smooth);
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary-plum);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--primary-plum);
  transition: width 0.3s ease;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.cta-short {
  display: none;
}

.mobile-menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(20, 20, 19, 0.12);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 0;
  transition: var(--transition-smooth);
}

.hamburger-bar {
  display: block;
  width: 18px;
  height: 1.75px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.25s ease;
}

.mobile-menu-toggle.open .hamburger-bar:nth-child(1) {
  transform: translateY(6.75px) rotate(45deg);
}

.mobile-menu-toggle.open .hamburger-bar:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.open .hamburger-bar:nth-child(3) {
  transform: translateY(-6.75px) rotate(-45deg);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 26px;
  border-radius: 9999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.1px;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, #6B267B 0%, #51225D 100%);
  color: #FFFFFF;
  border: 1px solid rgba(81, 34, 93, 0.8);
  box-shadow: 0 6px 20px rgba(81, 34, 93, 0.22);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(81, 34, 93, 0.32);
  background: linear-gradient(135deg, #7E2E8F 0%, #5E276C 100%);
  color: #FFFFFF;
}

.btn-outline {
  background: rgba(255, 255, 255, 0.85);
  color: var(--text-primary);
  border: 1px solid rgba(20, 20, 19, 0.16);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 10px rgba(20, 20, 19, 0.04);
}

.btn-outline:hover {
  border-color: var(--primary-plum);
  color: var(--primary-plum);
  background: #FFFFFF;
  box-shadow: 0 6px 20px rgba(81, 34, 93, 0.1);
}

/* ==========================================================================
   Hero Section ("The Art of Effortless")
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 110px;
  padding-bottom: 72px;
  overflow: hidden;
}

.hero-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-backdrop img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.04);
  animation: heroKenBurns 20s infinite alternate ease-in-out;
}

@keyframes heroKenBurns {
  0% { transform: scale(1.0); }
  100% { transform: scale(1.08); }
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    linear-gradient(90deg,
      rgba(250, 248, 245, 0.95) 0%,
      rgba(250, 248, 245, 0.86) 46%,
      rgba(250, 248, 245, 0.35) 100%
    ),
    linear-gradient(180deg,
      rgba(250, 248, 245, 0.4) 0%,
      rgba(250, 248, 245, 0.1) 45%,
      rgba(250, 248, 245, 0.9) 85%,
      #FAF8F5 100%
    );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 18px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--border-plum);
  color: var(--primary-plum);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2.4px;
  text-transform: uppercase;
  margin-bottom: 24px;
  box-shadow: 0 2px 10px rgba(81, 34, 93, 0.06);
  max-width: 100%;
}

.hero-badge::before {
  content: '';
  width: 7px;
  height: 7px;
  flex-shrink: 0;
  border-radius: 50%;
  background-color: var(--accent-amethyst);
  box-shadow: 0 0 8px rgba(107, 38, 123, 0.45);
}

.hero-title {
  font-family: var(--font-display);
  font-size: 64px;
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
  max-width: 820px;
  color: var(--text-primary);
}

.hero-subtitle {
  font-size: 19.5px;
  color: #3F3C38;
  font-weight: 400;
  line-height: 1.65;
  margin-bottom: 40px;
  max-width: 680px;
}

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

/* Hero Pillars Bar */
.hero-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 72px;
  padding-top: 36px;
  border-top: 1px solid rgba(20, 20, 19, 0.1);
}

.pillar-card {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(20, 20, 19, 0.08);
  border-radius: 18px;
  padding: 26px 28px;
  box-shadow: var(--shadow-card);
  transition: var(--transition-smooth);
}

.pillar-card:hover {
  border-color: var(--border-plum);
  transform: translateY(-4px);
  background: #FFFFFF;
  box-shadow: var(--shadow-luxury);
}

.pillar-number {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-amethyst);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.pillar-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.pillar-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   Section Headers & Rhythm
   ========================================================================== */
.section {
  padding: 120px 0;
  position: relative;
  z-index: 1;
}

.section-alt {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-head {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 64px;
}

.section-kicker {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-amethyst);
  margin-bottom: 14px;
}

.section-title {
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 600;
  letter-spacing: -0.8px;
  line-height: 1.18;
  color: var(--text-primary);
  margin-bottom: 18px;
}

.section-desc {
  font-size: 18px;
  color: var(--text-secondary);
  font-weight: 400;
  line-height: 1.65;
}

/* ==========================================================================
   Interactive Circadian Lighting Simulator
   ========================================================================== */
.circadian-container {
  background: #FFFFFF;
  border: 1px solid rgba(20, 20, 19, 0.1);
  border-radius: 28px;
  padding: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-luxury);
  position: relative;
}

.circadian-viewport {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 640px;
  border-radius: 20px;
  overflow: hidden;
  background: #1C1917;
}

.circadian-viewport img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: filter 0.8s ease, transform 1s ease;
}

/* Live Ambiance Filter Overlays */
.circadian-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  mix-blend-mode: color-burn;
  transition: background 0.8s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.8s ease;
}

.circadian-light-glow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  transition: all 0.8s ease;
}

.circadian-hud {
  position: absolute;
  bottom: 36px;
  left: 36px;
  right: 36px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(20, 20, 19, 0.1);
  border-radius: 20px;
  padding: 22px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  box-shadow: 0 20px 40px rgba(20, 20, 19, 0.18);
  z-index: 3;
}

.hud-info {
  display: flex;
  align-items: center;
  gap: 20px;
}

.hud-kelvin-badge {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--primary-plum);
  min-width: 100px;
}

.hud-scene-name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.hud-scene-desc {
  font-size: 13.5px;
  color: var(--text-secondary);
}

.scene-buttons {
  display: flex;
  align-items: center;
  gap: 10px;
}

.scene-btn {
  padding: 10px 18px;
  border-radius: 9999px;
  background: #F3EFEA;
  border: 1px solid rgba(20, 20, 19, 0.08);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.4px;
  cursor: pointer;
  transition: var(--transition-smooth);
  white-space: nowrap;
}

.scene-btn:hover {
  border-color: var(--border-plum);
  color: var(--primary-plum);
  background: #FFFFFF;
}

.scene-btn.active {
  background: linear-gradient(135deg, #6B267B, #51225D);
  color: #FFFFFF;
  border-color: var(--primary-plum);
  box-shadow: 0 4px 14px rgba(81, 34, 93, 0.28);
}

.slider-group {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 210px;
}

.kelvin-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(90deg, #FF9A3D 0%, #FFE0B2 40%, #E3F2FD 80%, #90CAF9 100%);
  border: 1px solid rgba(20, 20, 19, 0.08);
  outline: none;
  cursor: pointer;
}

.kelvin-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #FFFFFF;
  border: 2.5px solid var(--primary-plum);
  box-shadow: 0 2px 8px rgba(20, 20, 19, 0.25);
  cursor: pointer;
  transition: transform 0.2s ease;
}

.kelvin-slider::-webkit-slider-thumb:hover {
  transform: scale(1.18);
}

/* ==========================================================================
   Product Pillars: Hardware & Ecosystem
   ========================================================================== */
.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.eco-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.eco-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-plum);
  box-shadow: var(--shadow-luxury);
}

.eco-media {
  width: 100%;
  aspect-ratio: 16 / 10;
  position: relative;
  overflow: hidden;
  background: #E7E2DA;
}

.eco-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.eco-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 5px 14px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(81, 34, 93, 0.18);
  color: var(--primary-plum);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  box-shadow: 0 4px 12px rgba(20, 20, 19, 0.08);
}

.eco-content {
  padding: 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.eco-content h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.eco-content p {
  font-size: 14.5px;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 24px;
}

.spec-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 18px;
  border-top: 1px solid var(--border-subtle);
}

.spec-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  color: #292524;
  font-weight: 500;
}

.spec-icon {
  color: var(--accent-amethyst);
  font-size: 14px;
  font-weight: 700;
}

/* ==========================================================================
   Interactive Keypad Customizer
   ========================================================================== */
.keypad-studio {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: 32px;
  padding: 56px 48px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
  box-shadow: var(--shadow-luxury);
}

/* Warm Architectural Plaster & Travertine Wall Surface */
.keypad-preview-box {
  background: radial-gradient(circle at center, #F7F4EE 0%, #EAE3D7 100%);
  border: 1px solid rgba(20, 20, 19, 0.08);
  border-radius: 24px;
  padding: 56px 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 480px;
  position: relative;
  box-shadow: inset 0 2px 12px rgba(20, 20, 19, 0.03);
}

/* Official Lutron • Palladiom Brand Lockup Badge */
.palladiom-brand-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.lutron-lockup-img {
  height: 22px;
  width: auto;
  opacity: 0.85;
  transition: opacity 0.3s ease;
}

.lutron-lockup-img:hover {
  opacity: 1;
}

/* The Architectural Keypad Representation (Authentic Lutron 1-Gang Proportions) */
.palladiom-keypad {
  width: 204px;
  height: 336px;
  border-radius: 1.5px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  box-sizing: border-box;
}

/* Authentic Lutron Luxury Solid Metal Finishes on Architectural Plaster */
.palladiom-keypad.finish-brass {
  background: linear-gradient(145deg, #CBB279 0%, #B89E62 30%, #DFCCA0 50%, #A88E52 75%, #BFA76F 100%);
  border: 1px solid rgba(168, 142, 82, 0.55);
  box-shadow:
    0 24px 48px rgba(28, 25, 23, 0.22),
    0 6px 16px rgba(28, 25, 23, 0.12),
    inset 0 1px 1px rgba(255, 255, 255, 0.45);
}

.palladiom-keypad.finish-titanium {
  background: linear-gradient(145deg, #D4D8DD 0%, #B8BDC4 30%, #E8EBED 50%, #9DA2A9 75%, #BFC4CB 100%);
  border: 1px solid rgba(157, 162, 169, 0.6);
  box-shadow:
    0 24px 48px rgba(28, 25, 23, 0.2),
    0 6px 16px rgba(28, 25, 23, 0.1),
    inset 0 1px 1px rgba(255, 255, 255, 0.6);
}

.palladiom-keypad.finish-graphite {
  background: linear-gradient(145deg, #33363D 0%, #23262C 30%, #3D414A 50%, #1A1C21 75%, #2A2D34 100%);
  border: 1px solid rgba(61, 65, 74, 0.65);
  box-shadow:
    0 24px 48px rgba(28, 25, 23, 0.28),
    0 6px 16px rgba(28, 25, 23, 0.16),
    inset 0 1px 1px rgba(255, 255, 255, 0.2);
}

/* Precision Inner Bezel / Aperture (Flush Wall Cutout) */
.palladiom-bezel {
  width: 124px;
  height: 226px;
  background: inherit;
  border: 1px solid rgba(0, 0, 0, 0.35);
  box-shadow: 
    inset 0 1.5px 2px rgba(0, 0, 0, 0.5), 
    inset 0 -1px 1px rgba(255, 255, 255, 0.2),
    0 1px 1px rgba(255, 255, 255, 0.2);
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}

/* Continuous Uniplanar Button Stack (Zero Vertical Gap) */
.keypad-buttons {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  gap: 0;
}

/* Individual Flush Button */
.keypad-btn {
  flex: 1;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 0 14px;
  cursor: pointer;
  border: none;
  border-bottom: 1px solid rgba(0, 0, 0, 0.4);
  box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.12);
  position: relative;
  transition: all 0.2s ease;
  user-select: none;
}

.keypad-btn:last-child {
  border-bottom: none;
  box-shadow: none;
}

.keypad-btn:hover {
  background: rgba(255, 255, 255, 0.08);
}

.keypad-btn.pressed {
  transform: scale(0.995);
  background: rgba(0, 0, 0, 0.1);
}

/* Authentic Helvetica Neue Laser Engraving Typography */
.keypad-btn-label {
  font-family: 'Helvetica Neue', Helvetica, -apple-system, sans-serif;
  font-size: 13.5px;
  font-weight: 400;
  letter-spacing: 0.25px;
  text-transform: none;
  color: rgba(255, 255, 255, 0.78);
  text-shadow: 0 -0.5px 0.5px rgba(0, 0, 0, 0.6);
  transition: all 0.3s ease;
  width: 100%;
  text-align: left;
}

/* Dynamic Backlight Management: Engraved letterforms glow with warm white light */
.keypad-btn.active .keypad-btn-label {
  color: #FFFFFF;
  font-weight: 500;
  text-shadow: 
    0 0 6px rgba(255, 255, 255, 0.95), 
    0 0 14px rgba(255, 250, 235, 0.8),
    0 0 24px rgba(255, 240, 210, 0.45);
}

/* Brushed Titanium finish contrast */
.palladiom-keypad.finish-titanium .keypad-btn-label {
  color: rgba(30, 35, 45, 0.75);
  text-shadow: 0 0.5px 0.5px rgba(255, 255, 255, 0.6);
}

.palladiom-keypad.finish-titanium .keypad-btn.active .keypad-btn-label {
  color: #FFFFFF;
  text-shadow: 
    0 0 6px rgba(255, 255, 255, 0.95), 
    0 0 14px rgba(255, 250, 235, 0.8),
    0 0 20px rgba(0, 0, 0, 0.5);
}

/* Dual Rocker Raise/Lower Chevrons on Button 4 */
.keypad-btn.btn-rocker .keypad-btn-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  font-size: 13px;
  font-weight: 300;
  text-align: center;
}

.keypad-btn.btn-rocker .rocker-divider {
  font-size: 12px;
  opacity: 0.35;
  font-weight: 200;
}

.finish-picker {
  display: flex;
  gap: 16px;
  margin-top: 28px;
}

.finish-swatch {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid rgba(20, 20, 19, 0.15);
  cursor: pointer;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 10px rgba(20, 20, 19, 0.12);
}

.finish-swatch.active {
  border-color: var(--primary-plum);
  transform: scale(1.15);
  box-shadow: 0 0 0 3px rgba(81, 34, 93, 0.18), 0 6px 14px rgba(20, 20, 19, 0.18);
}

.swatch-brass { background: linear-gradient(135deg, #E6C887, #AA8222); }
.swatch-titanium { background: linear-gradient(135deg, #F3F4F6, #9CA3AF); }
.swatch-graphite { background: linear-gradient(135deg, #2A2E39, #0F1218); }

/* Keypad Studio Info & Engraving Customizer */
.keypad-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.keypad-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--accent-amethyst);
  text-transform: uppercase;
}

.keypad-headline {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.25;
}

.keypad-description {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.65;
}

.engraving-form {
  margin-top: 8px;
  background: var(--bg-deep);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 22px;
}

.engraving-label {
  display: block;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.engrave-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.engrave-field {
  display: flex;
  align-items: center;
  background: #FFFFFF;
  border: 1px solid rgba(20, 20, 19, 0.12);
  border-radius: 10px;
  padding: 0 14px;
  transition: all 0.2s ease;
}

.engrave-field:focus-within {
  border-color: var(--primary-plum);
  box-shadow: 0 0 0 3px rgba(81, 34, 93, 0.1);
}

.engrave-num {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-amethyst);
  font-family: var(--font-display);
  margin-right: 10px;
}

.engrave-input {
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.4px;
  padding: 11px 0;
  width: 100%;
  outline: none;
  text-transform: none;
}

.keypad-actions {
  margin-top: 8px;
}

/* Lightbox Modal */
.lightbox-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(250, 248, 245, 0.94);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 2500;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 32px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lightbox-backdrop.open {
  display: flex;
  opacity: 1;
}

.lightbox-content {
  position: relative;
  max-width: 1100px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-close-btn {
  position: absolute;
  top: -20px;
  right: -20px;
  z-index: 5;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 75vh;
  border-radius: 16px;
  border: 1px solid rgba(20, 20, 19, 0.1);
  box-shadow: 0 30px 60px rgba(20, 20, 19, 0.16);
  object-fit: contain;
}

.lightbox-info {
  margin-top: 22px;
  text-align: center;
}

.lightbox-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.lightbox-desc {
  font-size: 14.5px;
  color: var(--text-secondary);
}

/* ==========================================================================
   Room Inspiration Showcase (Tabs & Grid)
   ========================================================================== */
.gallery-nav {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.gallery-tab {
  padding: 10px 24px;
  border-radius: 9999px;
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.4px;
  cursor: pointer;
  transition: var(--transition-smooth);
  box-shadow: 0 2px 6px rgba(20, 20, 19, 0.03);
  white-space: nowrap;
}

.gallery-tab:hover {
  border-color: var(--border-plum);
  color: var(--primary-plum);
}

.gallery-tab.active {
  background: linear-gradient(135deg, #6B267B, #51225D);
  color: #FFFFFF;
  border-color: var(--primary-plum);
  box-shadow: 0 6px 18px rgba(81, 34, 93, 0.24);
}

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

.gallery-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition-smooth);
  cursor: pointer;
}

.gallery-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-plum);
  box-shadow: var(--shadow-luxury);
}

.gallery-thumb {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  position: relative;
  background: #E7E2DA;
}

.gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-card:hover .gallery-thumb img {
  transform: scale(1.06);
}

.gallery-card-body {
  padding: 24px;
}

.gallery-room-type {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-amethyst);
  margin-bottom: 6px;
}

.gallery-room-title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.gallery-room-meta {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ==========================================================================
   Interactive Consultation Modal & Form
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  background: rgba(20, 20, 19, 0.45);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.modal-backdrop.open {
  display: flex;
  opacity: 1;
}

.modal-card {
  background: #FFFFFF;
  border: 1px solid rgba(20, 20, 19, 0.1);
  border-radius: 28px;
  max-width: 660px;
  width: 100%;
  padding: 44px 44px 40px;
  position: relative;
  box-shadow: 0 32px 64px rgba(20, 20, 19, 0.18);
  max-height: 90dvh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.modal-drag-handle {
  display: none;
}

.modal-kicker {
  padding-right: 44px;
}

.modal-title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 8px;
  padding-right: 36px;
}

.modal-subtitle {
  font-size: 14.5px;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 24px;
}

.modal-close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: var(--bg-deep);
  border: 1px solid rgba(20, 20, 19, 0.1);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
  transition: var(--transition-smooth);
}

.modal-close:hover {
  background: linear-gradient(135deg, #6B267B, #51225D);
  color: #FFFFFF;
  border-color: var(--primary-plum);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  background: var(--bg-deep);
  border: 1px solid rgba(20, 20, 19, 0.14);
  border-radius: 12px;
  padding: 13px 16px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px; /* Prevents iOS Safari auto-zoom on focus */
  line-height: 1.4;
  outline: none;
  transition: all 0.25s ease;
}

.form-control::placeholder {
  color: var(--text-muted);
}

.form-control:focus {
  background: #FFFFFF;
  border-color: var(--primary-plum);
  box-shadow: 0 0 0 3px rgba(81, 34, 93, 0.1);
}

.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}

.chip-btn {
  padding: 9px 15px;
  border-radius: 9999px;
  background: var(--bg-deep);
  border: 1px solid rgba(20, 20, 19, 0.12);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.chip-btn:hover {
  border-color: var(--border-plum);
  color: var(--primary-plum);
}

.chip-btn.selected {
  background: rgba(81, 34, 93, 0.1);
  border-color: var(--primary-plum);
  color: var(--primary-plum);
  font-weight: 600;
}

.modal-submit-btn {
  width: 100%;
  margin-top: 8px;
  padding: 16px 24px;
  font-size: 13.5px;
}

.toast {
  position: fixed;
  bottom: 32px;
  right: 32px;
  padding: 16px 24px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-plum);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 20px 40px rgba(20, 20, 19, 0.12), 0 0 0 1px rgba(81, 34, 93, 0.08);
  transform: translateY(100px);
  opacity: 0;
  pointer-events: none;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 3000;
  max-width: 420px;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: #EFECE6;
  border-top: 1px solid rgba(20, 20, 19, 0.08);
  padding: 80px 0 40px;
  position: relative;
  z-index: 1;
}

.footer-logo-img {
  height: 44px;
  width: auto;
  margin-bottom: 16px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 14.5px;
  margin-top: 16px;
  max-width: 360px;
  line-height: 1.65;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 1.5px;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s ease;
}

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

.partner-badges {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.partner-badge {
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(20, 20, 19, 0.08);
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(20, 20, 19, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-muted);
}

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

.footer-legal-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-legal-links a:hover {
  color: var(--primary-plum);
}

/* ==========================================================================
   Responsive Breakpoints (Tablet & Mobile Luxury Experience)
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-title { font-size: 48px; }
  .ecosystem-grid, .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .keypad-studio { grid-template-columns: 1fr; padding: 40px 32px; gap: 40px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 36px; }
  
  /* Dock Circadian HUD cleanly below the image on tablet & mobile so image is never covered */
  .circadian-hud {
    position: static;
    margin-top: 12px;
    flex-direction: column;
    align-items: stretch;
    gap: 18px;
    background: #FAF8F5;
    box-shadow: none;
    border: 1px solid rgba(20, 20, 19, 0.08);
  }
  .scene-buttons {
    flex-wrap: wrap;
  }
  .slider-group {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  /* Compact Mobile Header & Slide-Down Navigation Drawer */
  .site-header {
    padding: 12px 0;
  }

  .brand-logo-img {
    height: 36px;
  }

  .cta-full {
    display: none;
  }

  .cta-short {
    display: inline;
  }

  .header-cta-btn {
    padding: 10px 18px;
    font-size: 12px;
    letter-spacing: 0.9px;
  }

  .mobile-menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(81, 34, 93, 0.14);
    box-shadow: 0 20px 40px rgba(20, 20, 19, 0.1);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
  }

  .site-nav.open {
    max-height: 360px;
    opacity: 1;
  }

  .nav-links {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 20px 20px;
  }

  .nav-link {
    display: block;
    padding: 14px 8px;
    font-size: 16px;
    font-weight: 600;
    border-bottom: 1px solid rgba(20, 20, 19, 0.06);
  }

  .nav-links li:last-child .nav-link {
    border-bottom: none;
  }

  .nav-link::after {
    display: none;
  }

  /* Hero Section on Mobile */
  .hero-section {
    padding-top: 96px;
    padding-bottom: 56px;
    min-height: auto;
  }

  .hero-overlay {
    background: linear-gradient(180deg,
      rgba(250, 248, 245, 0.88) 0%,
      rgba(250, 248, 245, 0.82) 50%,
      rgba(250, 248, 245, 0.96) 85%,
      #FAF8F5 100%
    );
  }

  .hero-badge {
    font-size: 10.5px;
    letter-spacing: 1.4px;
    padding: 6px 14px;
    margin-bottom: 18px;
    line-height: 1.4;
  }

  .hero-title {
    font-size: 36px;
    letter-spacing: -0.8px;
    line-height: 1.12;
    margin-bottom: 16px;
  }

  .hero-subtitle {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 28px;
  }

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

  .hero-cta-group .btn {
    width: 100%;
    padding: 15px 20px;
  }

  .hero-pillars {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-top: 40px;
    padding-top: 28px;
  }

  .pillar-card {
    padding: 20px 22px;
  }

  /* Sections & Typography */
  .section {
    padding: 72px 0;
  }

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

  .section-kicker {
    font-size: 11px;
    letter-spacing: 2.2px;
    margin-bottom: 10px;
  }

  .section-title {
    font-size: 30px;
    line-height: 1.2;
    margin-bottom: 12px;
  }

  .section-desc {
    font-size: 15.5px;
    line-height: 1.6;
  }

  /* Circadian Lighting Simulator on Mobile */
  .circadian-container {
    padding: 10px;
    border-radius: 22px;
  }

  .circadian-viewport {
    aspect-ratio: 4 / 3;
    border-radius: 14px;
  }

  .circadian-hud {
    padding: 18px 16px;
    border-radius: 16px;
    gap: 16px;
  }

  .hud-info {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .hud-kelvin-badge {
    font-size: 26px;
    min-width: auto;
  }

  .hud-scene-name {
    font-size: 17px;
  }

  .hud-scene-desc {
    font-size: 13px;
    line-height: 1.45;
  }

  .scene-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    width: 100%;
  }

  .scene-btn {
    padding: 11px 10px;
    font-size: 12px;
    text-align: center;
    justify-content: center;
  }

  .slider-group {
    min-width: 0;
    padding: 4px 0;
  }

  .kelvin-slider::-webkit-slider-thumb {
    width: 26px;
    height: 26px;
  }

  /* Ecosystem Grid on Mobile */
  .ecosystem-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .eco-content {
    padding: 24px 22px;
  }

  .eco-content h3 {
    font-size: 20px;
  }

  /* Keypad Studio on Mobile */
  .keypad-studio {
    padding: 22px 18px;
    border-radius: 24px;
    gap: 28px;
  }

  .keypad-preview-box {
    padding: 32px 20px;
    min-height: 420px;
    border-radius: 18px;
  }

  .keypad-headline {
    font-size: 26px;
  }

  .engraving-form {
    padding: 16px;
  }

  .engrave-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .engrave-input {
    font-size: 16px; /* Prevents iOS auto-zoom */
    padding: 12px 0;
  }

  .keypad-actions .btn {
    width: 100%;
    padding: 15px 20px;
  }

  /* Room Inspiration Gallery Tabs (Horizontal Touch Scroll) */
  .gallery-nav {
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 -20px 28px;
    padding: 4px 20px 12px;
    gap: 8px;
    scrollbar-width: none;
  }

  .gallery-nav::-webkit-scrollbar {
    display: none;
  }

  .gallery-tab {
    flex-shrink: 0;
    padding: 9px 18px;
    font-size: 13px;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .gallery-card-body {
    padding: 20px;
  }

  /* Consultation Modal — Native Bottom Sheet on Mobile */
  .modal-backdrop {
    align-items: flex-end;
    padding: 0;
  }

  .modal-card {
    border-radius: 24px 24px 0 0;
    padding: 16px 20px calc(24px + env(safe-area-inset-bottom, 0px));
    max-height: 92dvh;
    width: 100%;
    max-width: 100%;
    border-bottom: none;
    box-shadow: 0 -16px 48px rgba(20, 20, 19, 0.22);
    animation: modalSheetUp 0.32s cubic-bezier(0.16, 1, 0.3, 1);
  }

  @keyframes modalSheetUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
  }

  .modal-drag-handle {
    display: block;
    width: 40px;
    height: 4px;
    border-radius: 999px;
    background: rgba(20, 20, 19, 0.16);
    margin: 0 auto 14px;
  }

  .modal-close {
    top: 18px;
    right: 18px;
    width: 38px;
    height: 38px;
  }

  .modal-kicker {
    font-size: 10.5px;
    letter-spacing: 2px;
    margin-bottom: 6px;
  }

  .modal-title {
    font-size: 22px;
    margin-bottom: 6px;
  }

  .modal-subtitle {
    font-size: 13.5px;
    margin-bottom: 18px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .form-group {
    margin-bottom: 14px;
  }

  .form-label {
    font-size: 11.5px;
    margin-bottom: 6px;
  }

  .form-control {
    padding: 12px 14px;
    font-size: 16px;
    border-radius: 10px;
  }

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

  .chip-btn {
    padding: 10px 10px;
    font-size: 12px;
    text-align: center;
    justify-content: center;
    line-height: 1.25;
  }

  .chip-btn:last-child:nth-child(odd) {
    grid-column: 1 / -1;
  }

  .modal-submit-btn {
    padding: 16px 20px;
    font-size: 13px;
    margin-top: 6px;
  }

  /* Lightbox on Mobile */
  .lightbox-backdrop {
    padding: 16px;
  }

  .lightbox-close-btn {
    top: 10px;
    right: 10px;
    background: rgba(255, 255, 255, 0.92);
  }

  .lightbox-title {
    font-size: 18px;
  }

  .lightbox-desc {
    font-size: 13.5px;
  }

  /* Toast on Mobile */
  .toast {
    left: 16px;
    right: 16px;
    bottom: 20px;
    max-width: none;
    text-align: center;
    padding: 14px 18px;
    font-size: 13.5px;
  }

  /* Footer on Mobile */
  .site-footer {
    padding: 56px 0 32px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    margin-bottom: 40px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .footer-legal-links {
    justify-content: center;
  }
}