/* ==========================================================================
   LUMINA VILLA - ULTRA LUXURY REAL ESTATE SCROLLYTELLING STYLESHEET
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,400&display=swap');

:root {
  /* Color Palette */
  --bg-dark: #07090e;
  --bg-card: rgba(10, 14, 22, 0.75);
  --bg-card-hover: rgba(16, 22, 34, 0.9);
  --bg-card-solid: #0d121c;
  --gold-primary: #d4af37;
  --gold-light: #f5e8b7;
  --gold-dark: #a67c00;
  --gold-gradient: linear-gradient(135deg, #fff2c6 0%, #d4af37 50%, #997819 100%);
  --gold-glow: rgba(212, 175, 55, 0.3);
  
  --text-main: #f8fafc;
  --text-muted: #9aa7bc;
  --text-dim: #5c687e;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-gold: rgba(212, 175, 55, 0.35);
  --border-gold-bright: rgba(212, 175, 55, 0.8);

  /* Glassmorphism & Effects */
  --glass-blur: blur(20px);
  --glass-shadow: 0 25px 60px rgba(0, 0, 0, 0.75);
  --card-radius: 16px;
  --pill-radius: 9999px;

  /* Typography */
  --font-serif: 'Cinzel', serif;
  --font-editorial: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Transitions */
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
}

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

html {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-main);
  overflow-x: hidden;
  font-size: 16px;
}

body {
  position: relative;
  background-color: var(--bg-dark);
  color: var(--text-main);
  overflow-x: hidden;
}

/* Selection */
::selection {
  background: var(--gold-primary);
  color: #000;
}

/* --------------------------------------------------------------------------
   SCROLL TRACK (Drives 800vh of frame-by-frame scrubbing)
   -------------------------------------------------------------------------- */
.scrolly-scroll-track {
  height: 800vh;
  position: relative;
  width: 100%;
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   FIXED VIEWPORT CONTAINER (Full Screen Locked)
   -------------------------------------------------------------------------- */
.scrolly-viewport {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  z-index: 10;
  pointer-events: none;
}

/* Canvas Video Frame Renderer */
.video-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

#scrolly-canvas {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transform: scale(1.01);
}

.video-overlay-gradient {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(7, 9, 14, 0.1) 0%, rgba(7, 9, 14, 0.5) 70%, rgba(7, 9, 14, 0.85) 100%);
  pointer-events: none;
}

.video-vignette {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7,9,14,0.65) 0%, transparent 20%, transparent 80%, rgba(7,9,14,0.85) 100%);
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   TOP NAVBAR (Glassmorphism Header)
   -------------------------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: 92%;
  max-width: 1380px;
  padding: 12px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  border-radius: var(--pill-radius);
  background: rgba(10, 14, 22, 0.72);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-gold);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  pointer-events: auto;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.brand-icon {
  width: 34px;
  height: 34px;
  border: 1px solid var(--gold-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-primary);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 0.9rem;
  background: rgba(212, 175, 55, 0.12);
}

.brand-title-wrap {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  letter-spacing: 3px;
  font-weight: 700;
  color: #ffffff;
  text-transform: uppercase;
}

.brand-tag {
  font-size: 0.6rem;
  letter-spacing: 2px;
  color: var(--gold-primary);
  text-transform: uppercase;
}

.nav-chapters {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 20px;
}

.chapter-jump-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  cursor: pointer;
  padding: 4px 0;
  transition: var(--transition-fast);
  position: relative;
}

.chapter-jump-btn:hover, .chapter-jump-btn.active {
  color: #ffffff;
}

.chapter-jump-btn.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gold-gradient);
  box-shadow: 0 0 8px var(--gold-primary);
}

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

.sound-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.sound-btn:hover, .sound-btn.playing {
  border-color: var(--gold-primary);
  color: var(--gold-primary);
  background: rgba(212, 175, 55, 0.15);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gold-gradient);
  color: #07090e;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 10px 20px;
  border-radius: var(--pill-radius);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 18px rgba(212, 175, 55, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 26px rgba(212, 175, 55, 0.55);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 9px 18px;
  border-radius: var(--pill-radius);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  text-decoration: none;
  backdrop-filter: var(--glass-blur);
  transition: var(--transition-smooth);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--gold-primary);
  color: var(--gold-light);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   STORY CHAPTERS (Positioned in Negative / Empty Spaces)
   -------------------------------------------------------------------------- */
.story-chapter {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: flex;
  padding: 90px 6% 90px 6%;
  z-index: 20;
  opacity: 0;
  visibility: hidden;
  transform: translateY(24px);
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.4s;
  pointer-events: none;
}

.story-chapter.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.story-chapter.exit-top {
  opacity: 0;
  visibility: hidden;
  transform: translateY(-24px);
  pointer-events: none;
}

/* Specific Alignment for Negative Spaces */
.chapter-align-left {
  align-items: center;
  justify-content: flex-start;
}

.chapter-align-right {
  align-items: center;
  justify-content: flex-end;
}

.chapter-align-bottom-left {
  align-items: flex-end;
  justify-content: flex-start;
  padding-bottom: 95px;
}

/* Side Card Container */
.side-card {
  max-width: 450px;
  width: 100%;
}

.side-card-wide {
  max-width: 500px;
  width: 100%;
}

/* Glass Card Component */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-gold);
  border-radius: var(--card-radius);
  padding: 28px;
  box-shadow: var(--glass-shadow);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.5), transparent);
}

.glass-card:hover {
  border-color: var(--border-gold-bright);
}

/* Section Header Typography */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.7rem;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--gold-primary);
  font-weight: 700;
  margin-bottom: 8px;
}

.section-tag::before {
  content: '';
  display: inline-block;
  width: 16px;
  height: 1px;
  background: var(--gold-primary);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 10px;
  color: #ffffff;
}

.section-title span.gold {
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 16px;
}

/* --------------------------------------------------------------------------
   CHAPTER 1: GRAND ENTRANCE (Bottom-Left Side Aligned)
   -------------------------------------------------------------------------- */
.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 14px;
}

.stat-pill {
  background: rgba(8, 11, 18, 0.75);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 10px 14px;
  text-align: left;
}

.stat-value {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  display: block;
}

.stat-label {
  font-size: 0.68rem;
  letter-spacing: 1px;
  color: var(--gold-primary);
  text-transform: uppercase;
}

.scroll-prompt-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(15, 20, 30, 0.8);
  border: 1px solid var(--border-gold);
  border-radius: var(--pill-radius);
  padding: 6px 14px;
  color: var(--gold-light);
  font-size: 0.72rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-top: 14px;
  animation: pulsePrompt 2s infinite ease-in-out;
}

@keyframes pulsePrompt {
  0%, 100% { transform: translateY(0); box-shadow: 0 0 0 rgba(212, 175, 55, 0); }
  50% { transform: translateY(3px); box-shadow: 0 0 14px rgba(212, 175, 55, 0.4); }
}

/* --------------------------------------------------------------------------
   CHAPTER 2: ARCHITECTURAL VISION (Left Side Aligned)
   -------------------------------------------------------------------------- */
.feature-item-compact {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 12px;
}

.feature-num {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--gold-primary);
  font-weight: 700;
  padding: 4px 8px;
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid var(--border-gold);
  border-radius: 6px;
}

.feature-item-compact h4 {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: #fff;
  margin-bottom: 2px;
}

.feature-item-compact p {
  color: var(--text-muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

/* --------------------------------------------------------------------------
   CHAPTER 3: LIVING SPACES (Right Side Aligned)
   -------------------------------------------------------------------------- */
.spaces-nav-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.space-tab-btn {
  padding: 6px 14px;
  background: rgba(15, 20, 30, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--pill-radius);
  color: var(--text-muted);
  font-size: 0.74rem;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  cursor: pointer;
  backdrop-filter: var(--glass-blur);
  transition: var(--transition-fast);
}

.space-tab-btn:hover, .space-tab-btn.active {
  background: rgba(212, 175, 55, 0.2);
  border-color: var(--gold-primary);
  color: #ffffff;
}

.spec-badge {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.74rem;
  color: var(--gold-light);
  display: inline-block;
  margin: 2px 4px 4px 0;
}

/* --------------------------------------------------------------------------
   CHAPTER 4: AMENITIES (Left Side Aligned)
   -------------------------------------------------------------------------- */
.amenities-compact-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 10px;
}

.amenity-row-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: rgba(8, 11, 18, 0.65);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
}

.amenity-row-icon {
  color: var(--gold-primary);
  flex-shrink: 0;
}

.amenity-row-info h4 {
  font-family: var(--font-serif);
  font-size: 0.92rem;
  color: #fff;
}

.amenity-row-info p {
  font-size: 0.76rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   CHAPTER 5: FLOOR PLANS (Right Side Aligned)
   -------------------------------------------------------------------------- */
.floorplan-level-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.level-tab-btn {
  flex: 1;
  padding: 8px 10px;
  background: rgba(15, 20, 30, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  color: var(--text-muted);
  font-size: 0.74rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.level-tab-btn.active {
  background: rgba(212, 175, 55, 0.2);
  border-color: var(--gold-primary);
  color: #fff;
}

.floorplan-blueprint-mini {
  position: relative;
  height: 200px;
  background: radial-gradient(circle at center, rgba(16, 24, 39, 0.85) 0%, rgba(8, 12, 20, 0.95) 100%);
  border: 1px solid var(--border-gold);
  border-radius: 10px;
  margin-bottom: 12px;
  overflow: hidden;
}

.plan-pin {
  position: absolute;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--gold-primary);
  color: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.68rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 0 12px var(--gold-primary);
  transition: var(--transition-fast);
  transform: translate(-50%, -50%);
  z-index: 5;
}

.plan-pin.active {
  transform: translate(-50%, -50%) scale(1.25);
  background: #ffffff;
}

/* --------------------------------------------------------------------------
   CHAPTER 6: FINANCIAL CALCULATOR (Left Side Aligned)
   -------------------------------------------------------------------------- */
.calc-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 12px;
}

.calc-row-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.range-slider {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  outline: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--gold-primary);
  box-shadow: 0 0 8px var(--gold-primary);
  cursor: pointer;
}

.monthly-num {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: block;
}

/* --------------------------------------------------------------------------
   CHAPTER 7: VIP INQUIRY (Right Side Aligned)
   -------------------------------------------------------------------------- */
.inquiry-compact-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.form-input-sm, .form-select-sm {
  width: 100%;
  padding: 9px 14px;
  background: rgba(8, 11, 18, 0.75);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  outline: none;
  transition: var(--transition-fast);
}

.form-input-sm:focus, .form-select-sm:focus {
  border-color: var(--gold-primary);
  box-shadow: 0 0 10px rgba(212, 175, 55, 0.2);
}

/* --------------------------------------------------------------------------
   BOTTOM SCRUBBER & TIMELINE HUD
   -------------------------------------------------------------------------- */
.bottom-timeline-hud {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  max-width: 1000px;
  background: rgba(10, 14, 22, 0.82);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-gold);
  border-radius: var(--pill-radius);
  padding: 8px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  z-index: 100;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  pointer-events: auto;
}

.timeline-scrubber-track {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.timeline-markers-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

.timeline-progress-bar-bg {
  position: relative;
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  cursor: pointer;
}

.timeline-progress-bar-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: var(--gold-gradient);
  box-shadow: 0 0 10px var(--gold-primary);
  border-radius: 2px;
  transition: width 0.08s linear;
}

.chapter-step-node {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
  transition: var(--transition-fast);
}

.chapter-step-node:hover, .chapter-step-node.active {
  background: var(--gold-primary);
  box-shadow: 0 0 10px var(--gold-primary);
  transform: translate(-50%, -50%) scale(1.3);
}

.timeline-hud-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hud-step-title {
  font-family: var(--font-serif);
  font-size: 0.82rem;
  color: #ffffff;
  letter-spacing: 1px;
  white-space: nowrap;
}

.hud-step-title span.tag {
  color: var(--gold-primary);
  margin-right: 6px;
}

.hud-btn {
  background: rgba(212, 175, 55, 0.15);
  border: 1px solid var(--gold-primary);
  color: var(--gold-primary);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.hud-btn:hover {
  background: var(--gold-primary);
  color: #000;
}

/* --------------------------------------------------------------------------
   MODALS
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4, 6, 8, 0.88);
  backdrop-filter: blur(14px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  max-width: 520px;
  width: 100%;
  background: #0d121c;
  border: 1px solid var(--border-gold);
  border-radius: var(--card-radius);
  padding: 32px;
  position: relative;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.85);
}

.modal-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  cursor: pointer;
}

.modal-close-btn:hover {
  color: var(--gold-primary);
}

/* --------------------------------------------------------------------------
   RESPONSIVE DESIGN
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .nav-chapters {
    display: none;
  }
  .side-card, .side-card-wide {
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .story-chapter {
    padding: 80px 16px 85px 16px;
    align-items: flex-end !important;
    justify-content: center !important;
  }
  .bottom-timeline-hud {
    width: 95%;
    padding: 6px 14px;
    bottom: 10px;
  }
  .hud-step-title {
    display: none;
  }
}