/* ==========================================================================
   CHIPMASTER SILICON ARCHITECTURE - LIGHT THEME INTEGRATION FOR ARILA
   ========================================================================== */

:root {
  --bg-dark: #f8fafc;
  --bg-surface: rgba(255, 255, 255, 0.94);
  --bg-surface-hover: rgba(241, 245, 249, 0.98);
  --accent-cyan: #059669;
  --accent-blue: #047857;
  --accent-purple: #10B981;
  --accent-emerald: #059669;
  --text-main: #0f172a;
  --text-muted: #334155;
  --text-dim: #64748b;
  --border-glass: rgba(15, 23, 42, 0.08);
  --border-glow: rgba(5, 150, 105, 0.35);
  --glass-blur: blur(20px);
  --font-main: "Plus Jakarta Sans", sans-serif;
  --font-mono: "Space Grotesk", sans-serif;
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-neon: 0 10px 30px rgba(5, 150, 105, 0.15);
}

.chipmaster-wrapper *, .chipmaster-wrapper *::before, .chipmaster-wrapper *::after, 
.video-bg-stage *, .hud-header *, .side-chapter-nav *, .minimap-widget *, .hud-footer *, .preloader * {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

.chipmaster-wrapper {
  position: relative;
  width: 100%;
  padding: 80px 0;
  margin: 40px 0;
  background: linear-gradient(180deg, #ffffff 0%, #f1f5f9 50%, #ffffff 100%);
  color: var(--text-main);
  font-family: var(--font-main);
  overflow: hidden;
}

/* ==========================================================================
   HUD & STAGE IN-VIEW VISIBILITY CONTROL (STRICT NO-OVERLAP)
   ========================================================================== */

.video-bg-stage,
.hud-header,
.side-chapter-nav,
.minimap-widget,
.hud-footer {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease-in-out, visibility 0.4s ease-in-out;
  visibility: hidden;
}

.video-bg-stage.in-view,
.hud-header.in-view,
.side-chapter-nav.in-view,
.minimap-widget.in-view,
.hud-footer.in-view {
  opacity: 1;
  visibility: visible;
}

.hud-header.in-view > *,
.hud-footer.in-view > * {
  pointer-events: auto;
}

/* ==========================================================================
   STICKY BACKGROUND CANVAS STAGE
   ========================================================================== */

.video-bg-stage {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  background: #ffffff;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

.hero-canvas {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 1 !important;
  filter: contrast(1.06) saturate(1.08) brightness(1.02);
  will-change: transform;
}

.cinematic-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at center,
    transparent 65%,
    rgba(255, 255, 255, 0.25) 85%,
    rgba(255, 255, 255, 0.6) 100%
  );
  pointer-events: none;
  z-index: 3;
}

.scanline-overlay {
  display: none;
}

/* ==========================================================================
   FUTURISTIC PRELOADER (LIGHT THEME)
   ========================================================================== */

.preloader {
  position: fixed;
  inset: 0;
  background: #f8fafc;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.8s;
}

.preloader.hidden {
  opacity: 0;
  transform: scale(1.05);
  visibility: hidden;
  pointer-events: none;
}

.preloader-bg-glow {
  position: absolute;
  width: 650px;
  height: 650px;
  background: radial-gradient(circle, rgba(5, 150, 105, 0.15) 0%, rgba(4, 120, 87, 0.08) 45%, transparent 70%);
  filter: blur(70px);
  animation: glowPulse 4s ease-in-out infinite alternate;
  pointer-events: none;
}

.preloader-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(5, 150, 105, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(5, 150, 105, 0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.8;
  pointer-events: none;
}

@keyframes glowPulse {
  0% { transform: scale(0.9); opacity: 0.6; }
  100% { transform: scale(1.25); opacity: 1; }
}

.loader-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 520px;
  width: 90%;
  padding: 44px 38px;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(5, 150, 105, 0.2);
  backdrop-filter: blur(24px);
  border-radius: 28px;
  box-shadow: 0 25px 70px rgba(15, 23, 42, 0.12), 0 0 40px rgba(5, 150, 105, 0.1);
}

.loader-emblem-wrap {
  position: relative;
  width: 96px;
  height: 96px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.emblem-pulse-ring {
  position: absolute;
  border-radius: 50%;
  border: 2px solid transparent;
}

.emblem-pulse-ring.ring-1 {
  inset: 0;
  border-top-color: var(--accent-cyan);
  border-bottom-color: var(--accent-emerald);
  animation: spinSlow 3s linear infinite;
  box-shadow: 0 0 20px rgba(5, 150, 105, 0.3);
}

.emblem-pulse-ring.ring-2 {
  inset: -10px;
  border-left-color: var(--accent-blue);
  border-right-color: var(--accent-purple);
  animation: spinReverse 4s linear infinite;
}

.emblem-inner-orb {
  width: 64px;
  height: 64px;
  background: radial-gradient(circle at 30% 30%, #ffffff, #f1f5f9);
  border: 2px solid rgba(5, 150, 105, 0.4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 0 15px rgba(5, 150, 105, 0.15), 0 0 20px rgba(5, 150, 105, 0.2);
}

.emblem-icon {
  font-size: 26px;
  color: var(--accent-cyan);
  filter: drop-shadow(0 0 8px var(--accent-cyan));
  animation: iconPulse 2s ease-in-out infinite;
}

@keyframes spinSlow {
  to { transform: rotate(360deg); }
}

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

@keyframes iconPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.brand-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(5, 150, 105, 0.08);
  border: 1px solid rgba(5, 150, 105, 0.25);
  border-radius: 20px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--accent-cyan);
  margin-bottom: 14px;
}

.pill-dot {
  width: 6px;
  height: 6px;
  background: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-emerald);
  animation: pulseDot 1.5s infinite;
}

.loader-brand-title {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 3px;
  background: linear-gradient(135deg, #0f172a 20%, var(--accent-cyan) 60%, var(--accent-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}

.loader-tagline {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: var(--text-dim);
  margin-bottom: 28px;
}

.loader-metrics {
  margin-bottom: 28px;
}

.loader-progress-track {
  width: 100%;
  height: 8px;
  background: rgba(15, 23, 42, 0.08);
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  border: 1px solid rgba(15, 23, 42, 0.1);
  margin-bottom: 12px;
}

.loader-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue), var(--accent-emerald));
  border-radius: 12px;
  position: relative;
  transition: width 0.1s ease-out;
  box-shadow: 0 0 15px var(--accent-cyan);
}

.progress-glow-tip {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 14px;
  background: #fff;
  filter: blur(2px);
  box-shadow: 0 0 10px #fff;
}

.loader-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
}

.loader-status-text {
  color: var(--text-muted);
  letter-spacing: 1px;
}

.loader-percent {
  font-weight: 700;
  color: var(--accent-cyan);
}

.btn-enter-hq {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 36px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  border: none;
  border-radius: 16px;
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 2px;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(5, 150, 105, 0.35);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.btn-enter-hq:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 15px 40px rgba(5, 150, 105, 0.5);
}

.btn-enter-hq.disabled {
  opacity: 0.4;
  pointer-events: none;
  filter: grayscale(0.6);
}

/* ==========================================================================
   STICKY HUD HEADER (LIGHT THEME)
   ========================================================================== */

.hud-header,
.mode-badge,
#currentModeBadge,
.header-center,
.header-actions {
  display: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
  pointer-events: none !important;
  height: 0 !important;
  overflow: hidden !important;
}

.brand-badge {
  display: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

.pulse-dot {
  width: 10px;
  height: 10px;
  background: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-emerald);
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.5; }
}

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

.brand-main {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 2px;
  color: #0f172a;
}

.brand-sub {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--accent-cyan);
}

.mode-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(5, 150, 105, 0.08);
  border: 1px solid rgba(5, 150, 105, 0.25);
  border-radius: 30px;
  backdrop-filter: var(--glass-blur);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--accent-cyan);
  box-shadow: 0 4px 15px rgba(5, 150, 105, 0.1);
}

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

.hud-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(15, 23, 42, 0.1);
  backdrop-filter: var(--glass-blur);
  color: var(--text-main);
  border-radius: 50px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  cursor: pointer;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 15px rgba(15, 23, 42, 0.05);
}

.hud-btn:hover {
  background: #ffffff;
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(5, 150, 105, 0.2);
}

.hud-btn.highlight {
  background: linear-gradient(135deg, rgba(5, 150, 105, 0.12), rgba(5, 150, 105, 0.12));
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.hud-btn.highlight.active {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: #ffffff;
  box-shadow: 0 8px 25px rgba(5, 150, 105, 0.35);
}

.btn-tooltip {
  display: none;
}

/* ==========================================================================
   STICKY SIDE CHAPTER NAVIGATOR (LIGHT THEME)
   ========================================================================== */

.side-chapter-nav {
  position: fixed;
  right: 36px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 22px;
  z-index: 50;
}

.nav-line-bg {
  position: absolute;
  top: 12px;
  bottom: 12px;
  right: 7px;
  width: 2px;
  background: rgba(15, 23, 42, 0.1);
  z-index: -1;
  border-radius: 2px;
}

.nav-line-fill {
  width: 100%;
  height: 0%;
  background: linear-gradient(180deg, var(--accent-cyan), var(--accent-emerald));
  border-radius: 2px;
  box-shadow: 0 0 10px var(--accent-cyan);
  transition: height 0.3s ease;
}

.chapter-dot {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 16px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.dot-label {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--text-dim);
  opacity: 0;
  transform: translateX(10px);
  transition: var(--transition-smooth);
  white-space: nowrap;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(15, 23, 42, 0.1);
  padding: 6px 12px;
  border-radius: 8px;
  backdrop-filter: var(--glass-blur);
  box-shadow: 0 4px 15px rgba(15, 23, 42, 0.08);
}

.dot-indicator {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid rgba(15, 23, 42, 0.25);
  transition: var(--transition-smooth);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.chapter-dot:hover .dot-label,
.chapter-dot.active .dot-label {
  opacity: 1;
  transform: translateX(0);
  color: #0f172a;
}

.chapter-dot:hover .dot-indicator {
  border-color: var(--accent-cyan);
  transform: scale(1.2);
}

.chapter-dot.active .dot-indicator {
  background: var(--accent-cyan);
  border-color: #ffffff;
  box-shadow: 0 0 14px var(--accent-cyan);
  transform: scale(1.3);
}

.chapter-dot.active .dot-label {
  color: var(--accent-cyan);
  border-color: var(--border-glow);
}

/* ==========================================================================
   STICKY MINIMAP / RADAR WIDGET (LIGHT THEME)
   ========================================================================== */

.minimap-widget {
  position: fixed;
  bottom: 110px;
  right: 36px;
  width: 230px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(15, 23, 42, 0.1);
  backdrop-filter: var(--glass-blur);
  border-radius: 16px;
  z-index: 50;
  box-shadow: 0 15px 40px rgba(15, 23, 42, 0.1);
}

.minimap-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--accent-cyan);
  margin-bottom: 10px;
}

.radar-box {
  position: relative;
  width: 100%;
  height: 110px;
  background: rgba(241, 245, 249, 0.9);
  border: 1px solid rgba(5, 150, 105, 0.2);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 10px;
}

.radar-sweep {
  position: absolute;
  inset: -50%;
  background: conic-gradient(from 0deg, rgba(5, 150, 105, 0.2), transparent 60deg, transparent 360deg);
  border-radius: 50%;
  animation: radarRotate 4s linear infinite;
  pointer-events: none;
}

@keyframes radarRotate {
  to { transform: rotate(360deg); }
}

.office-blueprint {
  position: absolute;
  inset: 10px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 6px;
}

.bp-room {
  background: rgba(255, 255, 255, 0.6);
  border: 1px dashed rgba(15, 23, 42, 0.15);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  color: var(--text-dim);
  transition: var(--transition-smooth);
}

.bp-room.active {
  background: rgba(5, 150, 105, 0.12);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: inset 0 0 12px rgba(5, 150, 105, 0.15);
}

.avatar-marker {
  position: absolute;
  width: 20px;
  height: 20px;
  background: var(--accent-cyan);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  transform: translate(-50%, -50%);
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 0 10px var(--accent-cyan);
  z-index: 5;
}

.minimap-status {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-family: var(--font-mono);
}

.status-label {
  font-size: 8.5px;
  color: var(--text-dim);
  letter-spacing: 1px;
}

.status-val {
  font-size: 11px;
  font-weight: 700;
  color: #0f172a;
}

/* ==========================================================================
   STICKY HUD FOOTER & CONTROLS (LIGHT THEME)
   ========================================================================== */

.hud-footer {
  position: fixed;
  bottom: 24px;
  left: 36px;
  right: 36px;
  z-index: 50;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  pointer-events: none;
}

.scroll-helper {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--accent-cyan);
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--border-glow);
  padding: 6px 16px;
  border-radius: 30px;
  backdrop-filter: var(--glass-blur);
  transition: opacity 0.5s ease;
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.08);
}

.mouse-icon {
  width: 14px;
  height: 22px;
  border: 2px solid var(--accent-cyan);
  border-radius: 10px;
  position: relative;
}

.mouse-icon .wheel {
  width: 2px;
  height: 5px;
  background: var(--accent-cyan);
  position: absolute;
  top: 4px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 2px;
  animation: mouseWheel 1.5s infinite;
}

@keyframes mouseWheel {
  0% { opacity: 1; transform: translate(-50%, 0); }
  100% { opacity: 0; transform: translate(-50%, 8px); }
}

.bounce {
  animation: bounceDown 1.5s infinite;
}

@keyframes bounceDown {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(4px); }
}

.tour-controls-bar {
  width: 100%;
  max-width: 720px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 20px;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(15, 23, 42, 0.1);
  backdrop-filter: var(--glass-blur);
  border-radius: 50px;
  box-shadow: 0 12px 35px rgba(15, 23, 42, 0.1);
}

.ctrl-icon-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 14px;
  cursor: pointer;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.ctrl-icon-btn:hover {
  background: rgba(5, 150, 105, 0.1);
  color: var(--accent-cyan);
}

.timeline-slider-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 12px;
}

.time-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--text-dim);
  min-width: 40px;
}

.scrub-timeline {
  flex: 1;
  height: 6px;
  background: rgba(15, 23, 42, 0.08);
  border-radius: 10px;
  position: relative;
  cursor: pointer;
  overflow: visible;
}

.scrub-buffered {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.04);
  border-radius: 10px;
}

.scrub-progress {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
  border-radius: 10px;
  box-shadow: 0 0 10px var(--accent-cyan);
}

.scrub-handle {
  position: absolute;
  top: 50%;
  left: 0%;
  width: 14px;
  height: 14px;
  background: #ffffff;
  border: 2px solid var(--accent-cyan);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  transition: transform 0.1s ease;
}

.scrub-timeline:hover .scrub-handle {
  transform: translate(-50%, -50%) scale(1.3);
}

.speed-selector {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(15, 23, 42, 0.04);
  padding: 3px;
  border-radius: 20px;
}

.speed-btn {
  background: transparent;
  border: none;
  padding: 4px 10px;
  border-radius: 14px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  color: var(--text-dim);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.speed-btn.active {
  background: var(--accent-cyan);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(5, 150, 105, 0.3);
}

.keyboard-hints {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dim);
}

.key-tag {
  display: flex;
  align-items: center;
  gap: 4px;
}

kbd {
  padding: 2px 6px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(15, 23, 42, 0.15);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  color: #0f172a;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

/* ==========================================================================
   MULTI-SECTION VERTICAL CARDS CONTAINER
   ========================================================================== */

.sections-container {
  position: relative;
  z-index: 10;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

.tour-section {
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  position: relative;
  padding: 60px 0;
  opacity: 0.35;
  transform: translateY(30px) scale(0.98);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.tour-section.active {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.section-card {
  max-width: 540px;
  padding: 40px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(24px);
  border-radius: 28px;
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.08), 0 0 30px rgba(5, 150, 105, 0.08);
  position: relative;
  z-index: 10;
  transition: var(--transition-smooth);
}

.section-card:hover {
  border-color: rgba(5, 150, 105, 0.3);
  box-shadow: 0 25px 70px rgba(15, 23, 42, 0.12), 0 0 40px rgba(5, 150, 105, 0.15);
}

.section-badge {
  position: absolute;
  top: 32px;
  right: 36px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 800;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 4px;
}

.curr-num {
  color: var(--accent-cyan);
  font-size: 18px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--accent-cyan);
  margin-bottom: 14px;
}

.section-title {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.25;
  color: #0f172a;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-desc {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.7;
  color: #1e293b;
  margin-bottom: 28px;
}

.specs-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.spec-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: rgba(5, 150, 105, 0.06);
  border: 1px solid rgba(5, 150, 105, 0.18);
  border-radius: 12px;
  font-size: 12px;
  color: #334155;
  transition: var(--transition-smooth);
}

.spec-pill:hover {
  background: rgba(5, 150, 105, 0.12);
  transform: translateY(-2px);
}

.spec-pill i {
  color: var(--accent-cyan);
}

.spec-pill strong {
  color: #0f172a;
}

/* ==========================================================================
   AR HOTSPOTS (LIGHT THEME)
   ========================================================================== */

.section-hotspots {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 15;
}

.hotspot {
  position: absolute;
  pointer-events: auto;
}

.hotspot-pin {
  width: 44px;
  height: 44px;
  background: #ffffff;
  border: 2px solid var(--accent-cyan);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 16px;
  box-shadow: 0 8px 25px rgba(5, 150, 105, 0.3);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.hotspot:hover .hotspot-pin {
  transform: scale(1.15);
  background: var(--accent-cyan);
  color: #ffffff;
  box-shadow: 0 12px 35px rgba(5, 150, 105, 0.5);
}

.hotspot-pulse {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 2px solid var(--accent-cyan);
  transform: translate(-50%, -50%);
  animation: hotspotPulse 2.5s infinite;
  pointer-events: none;
}

@keyframes hotspotPulse {
  0% { transform: translate(-50%, -50%) scale(0.6); opacity: 1; }
  100% { transform: translate(-50%, -50%) scale(1.6); opacity: 0; }
}

.hotspot-card {
  position: absolute;
  left: 60px;
  top: 50%;
  transform: translateY(-50%) translateX(15px);
  width: 260px;
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(15, 23, 42, 0.1);
  backdrop-filter: blur(20px);
  border-radius: 16px;
  box-shadow: 0 15px 40px rgba(15, 23, 42, 0.12);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
  pointer-events: none;
}

.hotspot:hover .hotspot-card {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) translateX(0);
}

.hotspot-tag {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--accent-cyan);
  margin-bottom: 6px;
}

.hotspot-card h4 {
  font-size: 14px;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 6px;
}

.hotspot-card p {
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-muted);
}

/* ==========================================================================
   USER CUSTOMIZATIONS: HIDE MINIMAP, TIME LABELS, SPEED SELECTOR, AND TIMELINE CONTROL BAR
   ========================================================================== */
.minimap-widget,
.time-label,
.speed-selector,
.tour-controls-bar,
.scrub-timeline,
.timeline-slider-wrap {
  display: none !important;
}