/* ==========================================================================
   NOTION — Architectural Lighting System
   Theme: Official Notion Brand Identity
   Palette: Notion Blue (#006db7), Notion Orange (#f47615), Midnight Navy (#040913)
   "Enlighten the World"
   ========================================================================== */

:root {
  /* Official Notion Brand Colors */
  --notion-blue: #006db7;
  --notion-blue-light: #1a87d4;
  --notion-blue-glow: rgba(0, 109, 183, 0.35);
  --notion-blue-soft: rgba(0, 109, 183, 0.12);

  --notion-orange: #f47615;
  --notion-orange-light: #ff8e38;
  --notion-orange-glow: rgba(244, 118, 21, 0.38);
  --notion-orange-soft: rgba(244, 118, 21, 0.12);

  /* Deep Architectural Midnight Palette */
  --bg-primary: #040913;
  --bg-secondary: #081120;
  --bg-elevated: #0f1c33;
  --bg-card: rgba(14, 26, 48, 0.72);
  --bg-glass: rgba(8, 17, 32, 0.85);

  --text-primary: #F4F8FC;
  --text-secondary: #94A6BE;
  --text-muted: #566982;

  --border-subtle: rgba(0, 109, 183, 0.18);
  --border-medium: rgba(0, 109, 183, 0.35);
  --border-active: #006db7;
  --border-orange: #f47615;

  --font-serif: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

section[id],
header[id],
footer[id] {
  scroll-margin-top: 68px;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--notion-blue);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--notion-orange);
}

::selection {
  background: var(--notion-orange);
  color: #ffffff;
}

h1,
h2,
h3,
h4,
h5 {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.01em;
}

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

button {
  background: none;
  border: none;
  color: inherit;
  font: inherit;
  cursor: pointer;
  outline: none;
}

.container {
  max-width: 1440px;
  margin: 0 auto;
  width: 100%;
}

/* ---------------- NOTION LOGO ---------------- */
.notion-logo {
  display: inline-block;
  height: 48px;
  width: auto;
  transition: transform 0.3s ease;
}

.notion-logo:hover {
  transform: scale(1.02);
}

/* ---------------- NAVIGATION ---------------- */
.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1.25rem 4%;
  z-index: 200;
  transition: padding 0.3s ease, background-color 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
  border-bottom: 1px solid transparent;
}

.main-nav.scrolled {
  padding: 0.85rem 4%;
  background-color: rgba(4, 9, 19, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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



.nav-links {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  list-style: none;
  font-size: 0.82rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.nav-links a {
  color: var(--text-secondary);
  position: relative;
  padding-bottom: 4px;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-links a.nav-highlight {
  color: var(--notion-orange);
  font-weight: 600;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--notion-blue);
  transition: width 0.3s ease;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.cta-btn {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  padding: 0.68rem 1.4rem;
  border: 1px solid var(--border-medium);
  border-radius: 40px;
  color: var(--text-primary);
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
}

.cta-btn:hover {
  background-color: var(--notion-blue);
  color: #ffffff;
  border-color: var(--notion-blue);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--notion-blue-glow);
}

.cta-btn.accent-orange {
  background-color: var(--notion-orange);
  color: #ffffff;
  border-color: var(--notion-orange);
  font-weight: 700;
}

.cta-btn.accent-orange:hover {
  background-color: var(--notion-orange-light);
  border-color: var(--notion-orange-light);
  box-shadow: 0 4px 25px var(--notion-orange-glow);
}

.cta-btn.accent-blue {
  background-color: var(--notion-blue);
  color: #ffffff;
  border-color: var(--notion-blue);
  font-weight: 700;
}

.cta-btn.accent-blue:hover {
  background-color: var(--notion-blue-light);
  border-color: var(--notion-blue-light);
  box-shadow: 0 4px 25px var(--notion-blue-glow);
}

@media (max-width: 960px) {
  .desktop-only {
    display: none !important;
  }
}

/* ---------------- HERO SECTION ---------------- */
.hero-section {
  position: relative;
  height: 100vh;
  min-height: 720px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: var(--bg-primary);
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(circle at 50% 40%, rgba(0, 109, 183, 0.18) 0%, transparent 60%),
    radial-gradient(circle at 75% 75%, rgba(244, 118, 21, 0.12) 0%, transparent 45%),
    linear-gradient(180deg, rgba(4, 9, 19, 0.4) 0%, rgba(4, 9, 19, 0.7) 60%, rgba(4, 9, 19, 0.98) 100%),
    url('../assets/hero-highway-night.jpg');
  background-size: cover;
  background-position: center bottom;
  filter: brightness(0.85) contrast(1.1);
  transform: scale(1.02);
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 1150px;
  padding: 0 4%;
  margin-top: 5vh;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--notion-orange);
  margin-bottom: 2rem;
  padding: 0.45rem 1.2rem;
  border: 1px solid rgba(244, 118, 21, 0.35);
  border-radius: 30px;
  background: var(--notion-orange-soft);
  backdrop-filter: blur(10px);
}

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

@keyframes pulseGlow {

  0%,
  100% {
    opacity: 0.4;
    transform: scale(0.9);
  }

  50% {
    opacity: 1;
    transform: scale(1.3);
  }
}

.hero-headline {
  font-family: var(--font-serif);
  font-size: clamp(3.4rem, 9.2vw, 8.8rem);
  line-height: 0.94;
  font-weight: 400;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 2.5rem;
  letter-spacing: -0.02em;
  text-shadow: 0 10px 40px rgba(0, 0, 0, 0.85);
}

.hero-headline span.accent-blue {
  color: var(--notion-blue-light);
  display: inline;
}

.hero-headline span.accent-orange {
  color: var(--notion-orange);
  display: inline;
}

.hero-headline span.block-line {
  display: block;
}

.hero-sub {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.hero-sub p {
  font-size: 1.15rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-secondary);
  font-weight: 300;
  max-width: 680px;
}

.hero-tagline-italic {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-style: italic;
  color: var(--notion-orange);
  letter-spacing: 0.05em;
  margin-top: -0.5rem;
  text-shadow: 0 0 15px rgba(244, 118, 21, 0.4);
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 0.5rem;
}

/* ---------------- CHAPTER 01 ---------------- */
.chapter-section {
  padding: 5.5rem 4% 4.5rem;
  background: var(--bg-primary);
  position: relative;
}

.chapter-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  color: var(--notion-orange);
  margin-bottom: 1.25rem;
  text-transform: uppercase;
}

.chapter-heading {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 3.8vw, 3.5rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
  max-width: 100%;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.chapter-subheading {
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 2.5vw, 2.2rem);
  line-height: 1.25;
  color: var(--text-muted);
  max-width: 100%;
}

.chapter-narrative {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.25rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 2.25rem;
}

.narrative-item {
  border-left: 2px solid var(--notion-blue);
  padding-left: 1.5rem;
}

.narrative-item h4 {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.narrative-item p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ---------------- CONFIGURATOR SECTION ---------------- */
.configurator-section {
  position: relative;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 4.5rem;
}

.config-progress-bar {
  position: sticky;
  top: 68px;
  width: 100%;
  z-index: 90;
  background: rgba(8, 17, 32, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1.1rem 4%;
}

.progress-container {
  max-width: 1440px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.25rem;
}

.progress-item {
  display: flex;
  flex-direction: column;
  opacity: 0.45;
  transition: var(--transition-smooth);
  cursor: pointer;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
}

.progress-item.active {
  opacity: 1;
  border-color: var(--notion-orange);
}

.progress-item .label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-secondary);
  margin-bottom: 0.2rem;
}

.progress-item.active .label {
  color: var(--notion-blue-light);
}

.progress-item .value {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (max-width: 768px) {
  .progress-container {
    grid-template-columns: repeat(3, 1fr);
  }

  .progress-item:nth-child(4),
  .progress-item:nth-child(5) {
    display: none;
  }
}

.config-layout-wrapper {
  width: 100%;
  padding: 0 4%;
}

.config-layout {
  display: flex;
  max-width: 1440px;
  margin: 0 auto;
  padding: 2.25rem 0 0;
  gap: 4%;
  position: relative;
  width: 100%;
}

/* Left Steps Column */
.config-steps-container {
  width: 48%;
  display: flex;
  flex-direction: column;
  position: relative;
  height: 540px;
}

.config-step {
  padding: 2rem 2.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  display: none;
  animation: fadeInStep 0.4s ease forwards;
  flex: 1;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.config-step.step-active {
  display: flex;
}

@keyframes fadeInStep {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.step-nav-buttons {
  display: flex;
  justify-content: space-between;
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1rem;
  flex-shrink: 0;
}

.config-step:hover,
.config-step:focus-within {
  border-color: var(--border-medium);
}

.step-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--notion-orange);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  flex-shrink: 0;
}

.step-heading {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin-bottom: 0.5rem;
  line-height: 1.15;
  color: var(--text-primary);
  flex-shrink: 0;
}

.step-subheading {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.5;
  flex-shrink: 0;
}

/* Unified Options List (Row Style with Internal Scroll) */
.options-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding-right: 6px;
  margin-bottom: 0.75rem;
  scrollbar-width: thin;
  scrollbar-color: var(--border-medium) transparent;
}

.options-list::-webkit-scrollbar,
.quote-summary-panel::-webkit-scrollbar {
  width: 5px;
}

.options-list::-webkit-scrollbar-track,
.quote-summary-panel::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.02);
  border-radius: 4px;
}

.options-list::-webkit-scrollbar-thumb,
.quote-summary-panel::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: 4px;
}

.options-list::-webkit-scrollbar-thumb:hover,
.quote-summary-panel::-webkit-scrollbar-thumb:hover {
  background: var(--notion-orange);
}

.option-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.15rem;
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  background: rgba(8, 16, 30, 0.7);
  font-size: 0.92rem;
  transition: var(--transition-smooth);
  cursor: pointer;
}

.option-row:hover {
  background: rgba(16, 28, 52, 0.85);
  border-color: var(--border-medium);
  transform: translateX(3px);
}

.option-row.selected {
  border-color: var(--notion-orange);
  background: var(--notion-orange-soft);
  box-shadow: 0 0 18px var(--notion-orange-glow);
}

.option-row .row-main {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.row-thumb {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 6px;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  flex-shrink: 0;
  transition: var(--transition-smooth);
}

.option-row.selected .row-thumb {
  background: rgba(244, 118, 21, 0.15);
  border-color: var(--notion-orange);
  color: var(--notion-orange);
}

.color-temp-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.muted-text {
  font-size: 0.78rem;
  color: var(--text-secondary);
  text-align: right;
}

/* Finish Colors */
.finish-graphite {
  background: linear-gradient(135deg, #2a2c33 0%, #121316 100%);
}

.finish-grey {
  background: linear-gradient(135deg, #7b8089 0%, #4a4e56 100%);
}

.finish-white {
  background: linear-gradient(135deg, #ffffff 0%, #d8dade 100%);
}

.finish-bronze {
  background: linear-gradient(135deg, #a47c3b 0%, #5e431a 100%);
}

.finish-notion-blue {
  background: linear-gradient(135deg, #006db7 0%, #004270 100%);
}

/* Right Sticky Visualizer Column */
.config-viz-container {
  width: 48%;
  position: relative;
  height: 540px;
  display: flex;
  flex-direction: column;
  z-index: 80;
}

.viz-window {
  width: 100%;
  height: 100%;
  border-radius: 18px;
  border: 1px solid var(--border-medium);
  position: relative;
  overflow: hidden;
  background: #02060e;
  display: flex;
  flex-direction: column;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.7), 0 0 30px rgba(0, 109, 183, 0.15);
}

.viz-header {
  position: relative;
  padding: 1.25rem 1.5rem;
  background: rgba(4, 9, 19, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 30;
}

.viz-model-tag {
  background: rgba(4, 9, 19, 0.85);
  border: 1px solid var(--border-medium);
  backdrop-filter: blur(10px);
  padding: 0.4rem 0.9rem;
  border-radius: 30px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--notion-orange);
  letter-spacing: 0.1em;
  font-weight: 500;
}

.viz-controls {
  display: flex;
  gap: 0.5rem;
}

.viz-ctrl-btn {
  background: rgba(4, 9, 19, 0.85);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(10px);
  padding: 0.4rem 0.8rem;
  border-radius: 30px;
  font-size: 0.7rem;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.viz-ctrl-btn:hover,
.viz-ctrl-btn.active {
  background: var(--notion-blue);
  color: #ffffff;
  border-color: var(--notion-blue);
}

.viz-canvas-area {
  flex: 1;
  width: 100%;
  height: 100%;
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 40px;
  transition: background 0.8s ease;
}

/* Environmental backgrounds */
.viz-canvas-area.env-dark {
  background: radial-gradient(circle at 50% 30%, #0d1b33 0%, #02050c 80%);
}

.viz-canvas-area.env-plaza {
  background: radial-gradient(circle at 50% 25%, #152647 0%, #030814 85%);
}

.viz-canvas-area.env-boulevard {
  background: radial-gradient(circle at 50% 20%, #1a1e38 0%, #04060f 85%);
}

/* Ground Floor Grid */
.viz-ground {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 110px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.85), transparent);
  border-top: 1px solid var(--border-subtle);
  z-index: 5;
}

.viz-ground-glow {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 300px;
  height: 55px;
  border-radius: 50%;
  background: var(--notion-orange-glow);
  filter: blur(35px);
  opacity: 0.7;
  transition: var(--transition-smooth);
  pointer-events: none;
  z-index: 6;
}

/* Interactive Luminaire Visual Component */
.viz-luminaire-wrapper {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  transform-origin: bottom center;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.viz-pole-element {
  width: 16px;
  height: 180px;
  background: #1a1a1a;
  border-radius: 3px 3px 0 0;
  position: relative;
  transition: height 0.5s ease, background 0.4s ease, box-shadow 0.4s ease;
  box-shadow: inset -4px 0 10px rgba(0, 0, 0, 0.7), inset 2px 0 4px rgba(255, 255, 255, 0.25);
}

.viz-luminaire-head {
  position: absolute;
  top: -45px;
  left: 50%;
  transform: translateX(-50%);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
}

/* Head designs */
.head-philipa {
  width: 90px;
  height: 48px;
  background: #1a1a1a;
  border-radius: 50px 50px 0 0;
  box-shadow: inset -4px -3px 8px rgba(0, 0, 0, 0.7), inset 2px 2px 5px rgba(255, 255, 255, 0.25);
}

.head-victoria {
  width: 96px;
  height: 54px;
  background: #1a1a1a;
  clip-path: polygon(15% 0%, 85% 0%, 100% 100%, 0% 100%);
  box-shadow: inset -4px -3px 8px rgba(0, 0, 0, 0.7), inset 2px 2px 5px rgba(255, 255, 255, 0.25);
}

.head-classique {
  width: 84px;
  height: 60px;
  background: #1a1a1a;
  border-radius: 6px 6px 30px 30px;
  box-shadow: inset -4px -3px 8px rgba(0, 0, 0, 0.7), inset 2px 2px 5px rgba(255, 255, 255, 0.25);
}

.head-aura {
  width: 104px;
  height: 38px;
  background: #1a1a1a;
  border-radius: 20px;
  border: 6px solid #1a1a1a;
  box-shadow: inset -3px -3px 8px rgba(0, 0, 0, 0.7), inset 2px 2px 5px rgba(255, 255, 255, 0.25);
}

/* Optical light emitter */
.viz-light-beam {
  position: absolute;
  top: 90%;
  left: 50%;
  transform: translateX(-50%);
  width: 320px;
  height: 360px;
  background: linear-gradient(to bottom, rgba(244, 118, 21, 0.2), transparent);
  clip-path: polygon(46% 0, 54% 0, 100% 100%, 0% 100%);
  filter: blur(8px);
  pointer-events: none;
  transition: background 0.5s ease, opacity 0.4s ease;
  z-index: -1;
}

.viz-light-source-glow {
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 12px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 25px 8px #ffdfa9, 0 0 50px 20px var(--notion-orange-glow);
  transition: background 0.4s ease, box-shadow 0.4s ease;
  z-index: 12;
}

/* Height Dimension Marker */
.viz-dimension-ruler {
  position: absolute;
  left: 30px;
  bottom: 40px;
  height: 180px;
  width: 45px;
  border-left: 1px dashed var(--notion-blue);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-left: 8px;
  font-size: 0.68rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  transition: height 0.5s ease;
  z-index: 20;
}

.viz-dimension-ruler::before,
.viz-dimension-ruler::after {
  content: '';
  position: absolute;
  left: -5px;
  width: 10px;
  height: 1px;
  background: var(--notion-blue);
}

.viz-dimension-ruler::before {
  top: 0;
}

.viz-dimension-ruler::after {
  bottom: 0;
}

/* Bottom footer in visualizer */
.viz-footer {
  background: rgba(4, 9, 19, 0.9);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--border-subtle);
  padding: 1.1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 30;
}

.viz-specs-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.spec-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.55rem;
  border-radius: 4px;
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

@media (max-width: 1024px) {
  .config-layout {
    flex-direction: column-reverse;
  }

  .config-steps-container,
  .config-viz-container {
    width: 100%;
  }
  
  .config-steps-container {
    height: auto;
  }

  .config-viz-container {
    position: sticky;
    top: 130px;
    height: 480px;
    min-height: auto;
    margin-bottom: 2rem;
  }
}

/* ---------------- PROJECTS GALLERY SECTION ---------------- */
.projects-section {
  padding: 5rem 4% 4.5rem;
  background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
}

.section-header {
  margin-bottom: 2.5rem;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.project-card {
  border-radius: 14px;
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: var(--transition-smooth);
  position: relative;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--notion-blue);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 20px var(--notion-blue-glow);
}

.project-img-wrapper {
  width: 100%;
  height: 280px;
  overflow: hidden;
  position: relative;
}

.project-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.project-card:hover .project-img-wrapper img {
  transform: scale(1.05);
}

.project-card-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: rgba(4, 9, 19, 0.88);
  backdrop-filter: blur(8px);
  padding: 0.35rem 0.75rem;
  border-radius: 30px;
  color: var(--notion-orange);
  border: 1px solid rgba(244, 118, 21, 0.4);
}

.project-info {
  padding: 1.75rem;
}

.project-info h3 {
  font-family: var(--font-sans);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.project-location {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  display: block;
  letter-spacing: 0.05em;
}

.project-luminaire {
  font-size: 0.78rem;
  color: var(--notion-blue-light);
  font-family: var(--font-mono);
}

/* ---------------- CTA BANNER SECTION ---------------- */
.cta-banner-section {
  padding: 5.5rem 4%;
  background: radial-gradient(circle at 50% 50%, rgba(0, 109, 183, 0.18) 0%, rgba(244, 118, 21, 0.08) 40%, #040913 80%);
  text-align: center;
  position: relative;
}

.cta-banner-content {
  max-width: 850px;
  margin: 0 auto;
}

/* ---------------- FOOTER ---------------- */
.main-footer {
  background-color: #02050c;
  padding: 4.5rem 4% 2.5rem;
  border-top: 1px solid var(--border-subtle);
}

.footer-top {
  margin-bottom: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-tagline-text {
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  color: var(--notion-orange);
  font-style: italic;
  text-align: right;
}

/* Dedicated Contact & Headquarters Row with Separation */
.footer-contact-row {
  display: grid;
  grid-template-columns: 1.2fr 1.5fr 1.3fr;
  gap: 2.5rem;
  background: rgba(8, 17, 32, 0.55);
  border-radius: 14px;
  padding: 2rem 2rem;
  border: 1px solid var(--border-subtle);
  margin-bottom: 1.25rem;
  position: relative;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.contact-card-brand,
.contact-card-address,
.contact-card-actions {
  display: flex;
  flex-direction: column;
}

.contact-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  color: var(--notion-orange);
  margin-bottom: 0.65rem;
  font-weight: 600;
}

.company-name {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  margin-bottom: 0.5rem;
  line-height: 1.35;
}

.contact-rep-block {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  margin-top: 0.5rem;
}

.contact-rep-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--notion-blue-light);
  text-transform: uppercase;
  font-weight: 500;
}

.contact-rep-name {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.contact-rep-phone {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--notion-orange);
  transition: var(--transition-smooth);
  display: inline-block;
  margin-top: 0.15rem;
}

.contact-rep-phone:hover {
  color: var(--notion-orange-light);
  transform: translateX(2px);
}

.contact-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  color: var(--notion-blue-light);
  margin-bottom: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
}

.address-text {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 0.85rem;
}

.map-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--notion-orange);
  font-weight: 600;
  transition: var(--transition-smooth);
}

.map-link-btn:hover {
  color: var(--notion-orange-light);
  transform: translateX(3px);
}

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

.contact-action-item {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.contact-action-item:hover {
  color: var(--notion-orange);
  transform: translateX(3px);
}

.contact-icon {
  font-size: 0.95rem;
  color: var(--notion-blue-light);
}

.contact-email {
  word-break: break-all;
}

@media (max-width: 960px) {
  .footer-contact-row {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 2rem 1.5rem;
  }
}

/* Full-Width Social Channels Grid (7 Channels) */
.footer-social-full-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 0.9rem;
  width: 100%;
  margin-bottom: 2.5rem;
}

.social-full-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.15rem;
  background: rgba(8, 17, 32, 0.55);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  color: var(--text-primary);
  transition: var(--transition-smooth);
}

.social-full-btn:hover {
  background: rgba(16, 28, 52, 0.85);
  border-color: var(--notion-orange);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5), 0 0 15px var(--notion-orange-glow);
}

.social-btn-inner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.social-btn-icon {
  color: var(--notion-blue-light);
  transition: var(--transition-smooth);
  flex-shrink: 0;
}

.social-full-btn:hover .social-btn-icon {
  color: var(--notion-orange);
}

.social-btn-text {
  display: flex;
  flex-direction: column;
}

.social-platform-name {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

.social-handle {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
}

.social-arrow {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: var(--transition-smooth);
}

.social-full-btn:hover .social-arrow {
  color: var(--notion-orange);
  transform: translate(2px, -2px);
}

@media (max-width: 960px) {
  .footer-social-full-row {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.75rem;
  }
}

@media (max-width: 520px) {
  .footer-social-full-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 360px) {
  .footer-social-full-row {
    grid-template-columns: 1fr;
  }
}

/* Footer Navigation Links Directory */
.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.5rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 2.75rem;
  margin-bottom: 2.5rem;
}

@media (max-width: 960px) {
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}

@media (max-width: 540px) {
  .footer-links {
    grid-template-columns: 1fr;
  }
}

.footer-col h5 {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--notion-blue-light);
  margin-bottom: 1.25rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-col a,
.footer-col button {
  font-size: 0.88rem;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.footer-col a:hover,
.footer-col button:hover {
  color: var(--notion-orange);
  transform: translateX(2px);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ---------------- QUOTE DRAWER PANEL ---------------- */
.quote-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(2, 5, 12, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 300;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
}

.quote-overlay.open {
  opacity: 1;
  visibility: visible;
}

.quote-panel {
  position: fixed;
  top: 0;
  right: -560px;
  width: 100%;
  max-width: 520px;
  height: 100vh;
  background: #081120;
  border-left: 1px solid var(--border-medium);
  z-index: 310;
  padding: 3rem 2.5rem;
  overflow-y: auto;
  transition: right 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: -25px 0 60px rgba(0, 0, 0, 0.9);
  display: flex;
  flex-direction: column;
}

.quote-panel.open {
  right: 0;
}

.close-btn {
  position: absolute;
  top: 2rem;
  right: 2rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.close-btn:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-color: var(--notion-orange);
}

.quote-header h2 {
  font-size: 2.2rem;
  margin-bottom: 0.4rem;
  color: var(--text-primary);
}

.quote-header p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  margin-bottom: 2rem;
}

.quote-config.quote-summary-panel {
  background: var(--bg-primary);
  border: 1px solid var(--border-medium);
  border-radius: 12px;
  padding: 1.1rem 1.25rem;
  margin-bottom: 1.25rem;
  flex: 1;
}

.summary-id-badge {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--notion-orange);
  padding-bottom: 1rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

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

.summary-item span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 0.2rem;
}

.summary-item strong {
  font-size: 0.9rem;
  color: var(--text-primary);
  font-weight: 500;
}

.quote-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

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

.form-control {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  transition: var(--transition-smooth);
}

.form-control:focus {
  outline: none;
  border-color: var(--notion-blue);
  box-shadow: 0 0 12px var(--notion-blue-glow);
  background: rgba(255, 255, 255, 0.06);
}

select.form-control {
  cursor: pointer;
  color: var(--text-secondary);
}

select.form-control option {
  background: #081120;
  color: var(--text-primary);
}

textarea.form-control {
  resize: vertical;
  min-height: 80px;
}

.submit-quote-btn {
  margin-top: 1rem;
  background: var(--notion-orange);
  color: #ffffff;
  padding: 1.1rem;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.6rem;
  transition: var(--transition-smooth);
  border: none;
}

.submit-quote-btn:hover {
  background: var(--notion-orange-light);
  box-shadow: 0 4px 25px var(--notion-orange-glow);
  transform: translateY(-2px);
}

.quote-success-msg {
  display: none;
  text-align: center;
  padding: 2rem;
  background: var(--notion-orange-soft);
  border: 1px solid var(--notion-orange);
  border-radius: 12px;
  margin-top: 1rem;
}

.quote-success-msg h4 {
  font-size: 1.3rem;
  color: var(--notion-orange);
  margin-bottom: 0.5rem;
}

.quote-success-msg p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}