/* ==========================================================================
   THG MOTO MUSEUM - Official Website Stylesheet
   Theme: Dark Cinematic Heritage with Deep Crimson & Antique Gold Accents
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-dark: #0a0a0c;
  --bg-card: #121316;
  --bg-card-hover: #181a1f;
  --bg-elevated: #1e2026;
  --bg-glass: rgba(18, 19, 22, 0.75);
  --bg-glass-strong: rgba(10, 10, 12, 0.92);

  /* Brand Accents - Deep Red / Racing Crimson & Vintage Gold */
  --crimson-primary: #d90429;
  --crimson-dark: #9d0208;
  --crimson-deep: #590d16;
  --crimson-glow: rgba(217, 4, 41, 0.35);
  --crimson-soft: rgba(217, 4, 41, 0.12);

  --gold-accent: #c99b53;
  --gold-light: #e5b972;
  --gold-glow: rgba(201, 155, 83, 0.3);

  /* Typography Colors */
  --text-main: #f5f5f7;
  --text-muted: #a0a3ad;
  --text-dim: #6c707d;
  --text-inverse: #0a0a0c;

  /* Borders & Dividers */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.16);
  --border-crimson: rgba(217, 4, 41, 0.4);
  --border-gold: rgba(201, 155, 83, 0.4);

  /* Typography Families */
  --font-display: 'Cinzel', 'Playfair Display', serif;
  --font-heading: 'Syne', sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Layout */
  --container-max: 1360px;
  --header-height: 84px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  overflow-x: hidden;
  max-width: 100%;
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-dark);
  color: var(--text-main);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  max-width: 100%;
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 9px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: #2b1116;
  border-radius: var(--radius-full);
  border: 2px solid var(--bg-dark);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--crimson-primary);
}

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

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.font-display {
  font-family: var(--font-display);
}

.font-mono {
  font-family: var(--font-mono);
}

p {
  color: var(--text-muted);
}

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

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ==========================================================================
   Navigation Bar (Sticky with Blur & Red Accent)
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  transition: background var(--transition-smooth), border-color var(--transition-smooth), transform var(--transition-smooth);
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: var(--bg-glass-strong);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-badge {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--crimson-primary) 0%, var(--crimson-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.1rem;
  color: #fff;
  border: 2px solid var(--gold-accent);
  box-shadow: 0 0 15px var(--crimson-glow);
  position: relative;
}

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

.logo-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff;
  line-height: 1;
}

.logo-title span {
  color: var(--crimson-primary);
}

.logo-subtitle {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--gold-accent);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-top: 4px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.2rem;
  list-style: none;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  position: relative;
  padding: 6px 0;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--crimson-primary);
  box-shadow: 0 0 8px var(--crimson-primary);
  transition: width var(--transition-smooth);
}

.nav-link:hover, .nav-link.active {
  color: #fff;
}

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

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0.8rem 1.6rem;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--crimson-primary) 0%, var(--crimson-dark) 100%);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 20px var(--crimson-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(217, 4, 41, 0.55);
  filter: brightness(1.1);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.03);
  color: #fff;
  border-color: var(--border-medium);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  border-color: var(--crimson-primary);
  background: var(--crimson-soft);
  color: #fff;
  transform: translateY(-2px);
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold-accent) 0%, #9e7534 100%);
  color: #0a0a0c;
  font-weight: 800;
  box-shadow: 0 4px 20px var(--gold-glow);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(201, 155, 83, 0.5);
  filter: brightness(1.08);
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: #fff;
}

.hamburger-line {
  display: block;
  width: 26px;
  height: 2px;
  background: #fff;
  margin: 6px 0;
  transition: all var(--transition-smooth);
}

/* ==========================================================================
   Hero Section - Cinematic Dark Motorcycle Heritage
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero-video-bg, .hero-image-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  filter: brightness(0.38) contrast(1.15) saturate(1.1);
  transform: scale(1.04);
  transition: transform 12s ease-out;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 50% 40%, rgba(217, 4, 41, 0.2) 0%, transparent 70%),
              linear-gradient(to bottom, rgba(10, 10, 12, 0.8) 0%, rgba(10, 10, 12, 0.9) 65%, var(--bg-dark) 100%),
              linear-gradient(to right, rgba(10, 10, 12, 0.95) 0%, rgba(10, 10, 12, 0.75) 50%, rgba(10, 10, 12, 0.95) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1040px;
  padding: 3rem 0;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  background: rgba(217, 4, 41, 0.14);
  border: 1px solid var(--border-crimson);
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
}

.tag-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--crimson-primary);
  box-shadow: 0 0 10px var(--crimson-primary);
  animation: pulse 2s infinite;
}

.tag-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #ff9b9b;
  font-weight: 600;
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
}

.hero-title .title-accent {
  color: var(--crimson-primary);
  display: block;
  text-shadow: 0 0 35px var(--crimson-glow);
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.8vw, 1.28rem);
  line-height: 1.6;
  color: #c5c8d4;
  margin-bottom: 2.5rem;
  max-width: 650px;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 3.5rem;
}

/* Hero Stats Bar */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  max-width: 650px;
}

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

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}

.stat-number span {
  color: var(--crimson-primary);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 6px;
}

/* Scroll Down Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.scroll-mouse {
  width: 22px;
  height: 36px;
  border: 2px solid var(--border-medium);
  border-radius: 12px;
  position: relative;
}

.scroll-wheel {
  width: 4px;
  height: 7px;
  background: var(--crimson-primary);
  border-radius: 2px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollWheel 2s infinite;
}

/* ==========================================================================
   Section Headers & Common Elements
   ========================================================================== */
.section {
  padding: 7rem 0;
  position: relative;
}

.section-darker {
  background: #08080a;
}

.section-header {
  margin-bottom: 4rem;
}

.section-header.text-center {
  text-align: center;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--crimson-primary);
  font-weight: 700;
  margin-bottom: 0.8rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 600px;
  line-height: 1.6;
}

.section-header.text-center .section-desc {
  margin-left: auto;
  margin-right: auto;
}

/* ==========================================================================
   Interactive Motorcycle Spotlight (Pinterest Callout Inspired)
   ========================================================================== */
.spotlight-container {
  position: relative;
  background: radial-gradient(circle at center, rgba(217, 4, 41, 0.08) 0%, rgba(18, 19, 22, 0.9) 70%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  margin: 3rem 0;
  overflow: hidden;
}

.spotlight-stage {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.spotlight-image-wrap {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8);
}

.spotlight-image {
  width: 100%;
  height: 520px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.spotlight-container:hover .spotlight-image {
  transform: scale(1.03);
}

/* Callout Hotspots */
.callout-pin {
  position: absolute;
  z-index: 10;
  cursor: pointer;
}

.callout-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--crimson-primary);
  border: 3px solid #fff;
  box-shadow: 0 0 20px var(--crimson-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: transform var(--transition-fast);
}

.callout-dot::before {
  content: '';
  position: absolute;
  inset: -8px;
  border: 2px solid var(--crimson-primary);
  border-radius: 50%;
  animation: ping 2s cubic-bezier(0, 0, 0.2, 1) infinite;
}

.callout-pin:hover .callout-dot {
  transform: scale(1.25);
  background: #fff;
  border-color: var(--crimson-primary);
}

.callout-card {
  position: absolute;
  top: -10px;
  left: 45px;
  width: 250px;
  background: var(--bg-glass-strong);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-crimson);
  border-radius: var(--radius-md);
  padding: 1rem;
  pointer-events: none;
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--transition-smooth);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.7);
}

.callout-pin:hover .callout-card,
.callout-pin.active .callout-card {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.callout-card h4 {
  font-size: 0.95rem;
  color: #fff;
  margin-bottom: 4px;
}

.callout-card p {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.callout-card .spec-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--gold-accent);
  margin-top: 6px;
  font-weight: 600;
}

/* ==========================================================================
   Motorcycle Gauge UI (Pinterest Dashboard Concept)
   ========================================================================== */
.gauge-dashboard {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.gauge-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-smooth);
}

.gauge-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--crimson-primary);
  opacity: 0.6;
}

.gauge-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-crimson);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
}

.gauge-dial {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: 3px solid #20232a;
  border-top-color: var(--crimson-primary);
  border-right-color: var(--crimson-primary);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: radial-gradient(circle, #1a1b20 0%, #0d0e11 100%);
}

.gauge-center {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
}

.gauge-info h4 {
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.gauge-info p {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ==========================================================================
   Collection Grid & Cards
   ========================================================================== */
.collection-filter {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 3.5rem;
}

.filter-btn {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--crimson-primary);
  color: #fff;
  border-color: var(--crimson-primary);
  box-shadow: 0 4px 15px var(--crimson-glow);
}

.collection-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
}

.bike-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.bike-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-crimson);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7), 0 0 20px var(--crimson-soft);
}

.bike-thumb-wrap {
  position: relative;
  height: 240px;
  overflow: hidden;
  background: #0f1013;
}

.bike-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.bike-card:hover .bike-thumb {
  transform: scale(1.08);
}

.bike-origin-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(10, 10, 12, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-subtle);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--gold-accent);
}

.bike-year-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--crimson-primary);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
  color: #fff;
}

.bike-body {
  overflow-x: hidden;
  max-width: 100%;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.bike-category {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 6px;
}

.bike-name {
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 0.6rem;
}

.bike-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.bike-specs-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem;
  padding: 0.9rem 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1.25rem;
}

.spec-cell {
  display: flex;
  flex-direction: column;
}

.spec-key {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  font-family: var(--font-mono);
}

.spec-val {
  font-size: 0.84rem;
  font-weight: 700;
  color: #fff;
}

.bike-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.bike-link-btn {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--crimson-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}

.bike-link-btn:hover {
  color: #fff;
  gap: 10px;
}

/* ==========================================================================
   Founder Story & Heritage Showcase
   ========================================================================== */
.story-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4.5rem;
  align-items: center;
}

.story-media-wrap {
  position: relative;
}

.story-main-img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.8);
}

.story-floating-badge {
  position: absolute;
  bottom: -2rem;
  right: -1.5rem;
  background: var(--bg-card);
  border: 2px solid var(--crimson-primary);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.75rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.badge-race-num {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--crimson-primary);
  line-height: 1;
}

.badge-label {
  display: flex;
  flex-direction: column;
}

.badge-label strong {
  font-size: 0.95rem;
  color: #fff;
}

.badge-label span {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.story-text-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.story-lead {
  font-size: 1.15rem;
  color: #fff;
  line-height: 1.6;
  font-weight: 500;
}

.quote-box {
  border-left: 3px solid var(--crimson-primary);
  padding-left: 1.5rem;
  margin: 1rem 0;
  font-style: italic;
  color: #dedede;
  font-size: 1.05rem;
}

/* ==========================================================================
   Timeline Section (Racing & Museum Evolution)
   ========================================================================== */
.timeline-wrap {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 0;
}

.timeline-wrap::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: linear-gradient(to bottom, transparent 0%, var(--crimson-primary) 15%, var(--crimson-primary) 85%, transparent 100%);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  width: 50%;
  padding: 2rem 3rem;
}

.timeline-item:nth-child(odd) {
  left: 0;
  text-align: right;
  padding-right: 3.5rem;
}

.timeline-item:nth-child(even) {
  left: 50%;
  text-align: left;
  padding-left: 3.5rem;
}

.timeline-dot {
  position: absolute;
  top: 2.8rem;
  width: 18px;
  height: 18px;
  background: var(--bg-dark);
  border: 3px solid var(--crimson-primary);
  border-radius: 50%;
  box-shadow: 0 0 15px var(--crimson-glow);
}

.timeline-item:nth-child(odd) .timeline-dot {
  right: -9px;
}

.timeline-item:nth-child(even) .timeline-dot {
  left: -9px;
}

.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: all var(--transition-smooth);
}

.timeline-card:hover {
  border-color: var(--border-crimson);
  transform: translateY(-4px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.6);
}

.timeline-year {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--crimson-primary);
  margin-bottom: 0.4rem;
}

.timeline-title {
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: 0.6rem;
}

.timeline-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Visit & Booking Form
   ========================================================================== */
.visit-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3.5rem;
  align-items: start;
}

.visit-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.info-item {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.info-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--crimson-soft);
  border: 1px solid var(--border-crimson);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--crimson-primary);
  flex-shrink: 0;
  font-size: 1.2rem;
}

.info-details h4 {
  font-size: 1.05rem;
  color: #fff;
  margin-bottom: 4px;
}

.info-details p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.booking-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

.booking-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #c9ccd6;
}

.form-control {
  background: #0d0e12;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.1rem;
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.92rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--crimson-primary);
  box-shadow: 0 0 0 3px var(--crimson-glow);
  background: #121318;
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: #060608;
  border-top: 1px solid var(--border-subtle);
  padding: 5rem 0 2rem;
  position: relative;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  margin: 1.25rem 0;
  font-size: 0.9rem;
  max-width: 340px;
}

.footer-col h4 {
  font-size: 1rem;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
  position: relative;
  display: inline-block;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--crimson-primary);
}

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

.footer-links a {
  color: var(--text-muted);
  font-size: 0.88rem;
  transition: all var(--transition-fast);
}

.footer-links a:hover {
  color: #fff;
  padding-left: 6px;
  color: var(--crimson-primary);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* ==========================================================================
   Modal Component (For Motorcycle Details)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: scale(0.95) translateY(20px);
  transition: all var(--transition-smooth);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.9);
}

.modal-overlay.active .modal-card {
  transform: scale(1) translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid var(--border-subtle);
  color: #fff;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  font-size: 1.2rem;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: var(--crimson-primary);
  border-color: var(--crimson-primary);
}

.modal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.modal-img-wrap {
  position: relative;
  height: 100%;
  min-height: 380px;
  background: #000;
}

.modal-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.modal-details {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .story-split {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .visit-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
  .modal-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg-glass-strong);
    backdrop-filter: blur(25px);
    flex-direction: column;
    padding: 2.5rem 1.5rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--border-medium);
    transform: translateY(-120%);
    transition: transform var(--transition-smooth);
  }
  
  .nav-menu.open {
    transform: translateY(0);
  }

  .mobile-nav-toggle {
    display: block;
  }

  .header-actions .btn {
    display: none;
  }

  .timeline-wrap::before {
    left: 20px;
  }

  .timeline-item {
    width: 100%;
    padding-left: 55px !important;
    padding-right: 1rem !important;
    text-align: left !important;
  }

  .timeline-item:nth-child(even) {
    left: 0;
  }

  .timeline-item:nth-child(odd) .timeline-dot,
  .timeline-item:nth-child(even) .timeline-dot {
    left: 11px;
    right: auto;
  }

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

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

.brand-logo-img {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  object-fit: cover;
  background: #fff;
  border: 2px solid var(--crimson-primary);
  box-shadow: 0 0 16px var(--crimson-glow);
  transition: transform var(--transition-smooth);
}

.brand-logo:hover .brand-logo-img {
  transform: scale(1.08) rotate(-5deg);
  box-shadow: 0 0 25px rgba(217, 4, 41, 0.7);
}

.racing-badge-embed {
  max-width: 180px;
  height: auto;
  border-radius: var(--radius-sm);
  filter: drop-shadow(0 10px 25px rgba(0, 0, 0, 0.7));
  transition: transform var(--transition-smooth);
}

.racing-badge-embed:hover {
  transform: scale(1.04);
}

/* Mobile & Overflow Fixes */
@media (max-width: 768px) {
  .scroll-indicator {
    display: none !important;
  }
  .callout-card {
    position: fixed !important;
    left: 50% !important;
    bottom: 20px !important;
    top: auto !important;
    transform: translateX(-50%) translateY(20px) !important;
    width: calc(100vw - 32px) !important;
    max-width: 340px !important;
    z-index: 9999 !important;
  }
  .callout-pin.active .callout-card,
  .callout-pin:hover .callout-card {
    transform: translateX(-50%) translateY(0) !important;
  }
  .hero-title {
    font-size: clamp(2rem, 7vw, 3.2rem) !important;
    line-height: 1.08 !important;
  }
  .hero-video-bg {
    width: 100vw !important;
    max-width: 100% !important;
  }
}


/* ==========================================================================
   Hero Animated Showcase Card (Under The Letter / Hero Headline)
   ========================================================================== */
.hero-showcase-wrapper {
  margin: 2.5rem 0 3rem 0;
  width: 100%;
  max-width: 1000px;
  position: relative;
  perspective: 1200px;
}

.hero-showcase-frame {
  position: relative;
  border-radius: var(--radius-md, 12px);
  overflow: hidden;
  background: #0f1015;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.85),
              0 0 35px rgba(217, 4, 41, 0.25);
  animation: showcaseFloat 7s ease-in-out infinite alternate;
  transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.35s ease;
  transform-style: preserve-3d;
}

.hero-showcase-frame:hover {
  box-shadow: 0 35px 80px rgba(0, 0, 0, 0.95),
              0 0 50px rgba(217, 4, 41, 0.45);
  border-color: rgba(217, 4, 41, 0.4);
}

.hero-showcase-frame::before,
.hero-showcase-frame::after {
  content: '';
  position: absolute;
  width: 22px;
  height: 22px;
  z-index: 5;
  pointer-events: none;
}

.hero-showcase-frame::before {
  top: 10px;
  left: 10px;
  border-top: 2px solid var(--crimson-primary);
  border-left: 2px solid var(--crimson-primary);
}

.hero-showcase-frame::after {
  bottom: 10px;
  right: 10px;
  border-bottom: 2px solid var(--gold-accent);
  border-right: 2px solid var(--gold-accent);
}

.hero-showcase-lens {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  display: block;
}

.hero-showcase-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform-origin: center center;
  animation: showcaseKenBurns 18s ease-in-out infinite alternate;
  filter: brightness(0.95) contrast(1.12) saturate(1.06);
}

.headlight-flare {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  mix-blend-mode: screen;
  transform: translate(-50%, -50%);
  z-index: 3;
}

.flare-gilera {
  top: 47%;
  left: 45%;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(255, 240, 180, 0.9) 0%, rgba(255, 180, 50, 0.45) 35%, transparent 70%);
  animation: headlightPulse 3.2s ease-in-out infinite;
}

.flare-honda {
  top: 51%;
  left: 61%;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, rgba(255, 245, 210, 0.85) 0%, rgba(255, 190, 80, 0.4) 35%, transparent 70%);
  animation: headlightPulse 3.8s ease-in-out infinite 0.8s;
}

.flare-bsa {
  top: 44%;
  left: 81%;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(255, 250, 220, 0.95) 0%, rgba(255, 200, 70, 0.5) 40%, transparent 70%);
  animation: headlightPulse 4.2s ease-in-out infinite 1.6s;
}

.flare-ring {
  top: 29%;
  left: 16.5%;
  width: 75px;
  height: 75px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.75) 0%, rgba(255, 215, 140, 0.35) 45%, transparent 70%);
  animation: headlightPulse 5s ease-in-out infinite 0.4s;
}

.showcase-light-sweep {
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
  transform: translateX(-150%) skewX(-25deg);
  animation: lightSweep 9s ease-in-out infinite 2s;
  pointer-events: none;
  z-index: 4;
}

.showcase-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 55%, rgba(10, 10, 12, 0.6) 100%),
              linear-gradient(to top, rgba(10, 10, 12, 0.85) 0%, transparent 25%);
  pointer-events: none;
  z-index: 2;
}

.showcase-badge {
  position: absolute;
  bottom: 14px;
  left: 16px;
  right: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 16px;
  background: rgba(10, 10, 14, 0.75);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm, 6px);
  z-index: 4;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: #fff;
}

.showcase-badge-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.showcase-live-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--crimson-primary);
  box-shadow: 0 0 10px var(--crimson-primary);
  animation: pulse 1.8s infinite;
}

.showcase-plate-tag {
  color: var(--gold-accent);
  font-weight: 700;
  letter-spacing: 0.15em;
}

@keyframes showcaseFloat {
  0% { transform: translateY(0px); }
  100% { transform: translateY(-8px); }
}

@keyframes showcaseKenBurns {
  0% { transform: scale(1) translate(0, 0); }
  50% { transform: scale(1.06) translate(-1.2%, -0.8%); }
  100% { transform: scale(1) translate(0, 0); }
}

@keyframes headlightPulse {
  0%, 100% {
    opacity: 0.6;
    transform: translate(-50%, -50%) scale(0.95);
    filter: brightness(1);
  }
  50% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.18);
    filter: brightness(1.35);
  }
}

@keyframes lightSweep {
  0% { transform: translateX(-150%) skewX(-25deg); }
  30%, 100% { transform: translateX(300%) skewX(-25deg); }
}

@media (max-width: 600px) {
  .hero-showcase-wrapper {
    margin: 1.8rem 0 2rem 0;
  }
  .showcase-badge {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 6px 10px;
    font-size: 0.62rem;
  }
  .flare-gilera { width: 80px; height: 80px; }
  .flare-honda { width: 65px; height: 65px; }
  .flare-bsa { width: 95px; height: 95px; }
}


/* ==========================================================================
   Interactive 3D Motorcycle Showcase (Three.js WebGL Engine)
   ========================================================================== */
.m3d-wrapper {
  position: relative;
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
}

/* 3D Exhibition Header & Gallery Switcher */
.m3d-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.m3d-hall-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.m3d-hall-tag {
  color: var(--gold-accent);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
}

.m3d-star {
  color: #ffcc00;
}

.m3d-hall-location {
  padding-left: 14px;
  border-left: 1px solid rgba(255, 255, 255, 0.18);
  color: #8e94a5;
}

.m3d-bike-tabs {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  background: rgba(14, 14, 20, 0.85);
  padding: 6px 8px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(212, 175, 55, 0.25);
  backdrop-filter: blur(16px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7),
              0 0 20px rgba(212, 175, 55, 0.08);
  flex-wrap: wrap;
  justify-content: center;
}

.m3d-tab {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  color: var(--text-muted);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.m3d-tab-flag {
  font-size: 1.05rem;
  line-height: 1;
}

.m3d-tab-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.2;
}

.m3d-tab:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.15);
}

.m3d-tab.active {
  background: linear-gradient(135deg, rgba(217, 4, 41, 0.25) 0%, rgba(212, 175, 55, 0.15) 100%);
  border-color: var(--gold-accent);
  color: #fff;
  box-shadow: 0 4px 20px rgba(217, 4, 41, 0.35),
              0 0 15px rgba(212, 175, 55, 0.25);
}

.m3d-tab-year {
  font-family: var(--font-mono);
  font-size: 0.70rem;
  color: var(--gold-accent);
  letter-spacing: 0.08em;
}

.m3d-tab-name {
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.82rem;
}

.m3d-tab-origin {
  font-size: 0.65rem;
  text-transform: uppercase;
  color: #888;
  padding: 2px 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
}

.m3d-tab.active .m3d-tab-origin {
  color: #ffd89b;
  background: rgba(212, 175, 55, 0.25);
}

/* 3D Viewport & Canvas */
.m3d-viewport {
  position: relative;
  width: 100%;
  min-height: 460px;
  background: radial-gradient(circle at 50% 50%, #15151c 0%, #0a0a0e 80%, #060608 100%);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(212, 175, 55, 0.22);
  box-shadow: 0 35px 90px rgba(0, 0, 0, 0.90),
              0 0 60px rgba(217, 4, 41, 0.15);
  overflow: hidden;
  touch-action: none;
  cursor: grab;
}

.m3d-viewport:active {
  cursor: grabbing;
}

.m3d-canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
  outline: none;
}

/* 3D Loading Overlay */
.m3d-loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 14, 0.94);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  z-index: 20;
  transition: opacity 0.35s ease;
}

.m3d-spinner {
  width: 46px;
  height: 46px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--crimson-primary);
  border-right-color: var(--gold-accent);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

.m3d-loading-text {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #c5c8d4;
}

/* 3D Hotspot DOM Pins */
.m3d-hotspots-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 10;
}

.m3d-pin {
  position: absolute;
  pointer-events: auto;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.15s ease-out;
  user-select: none;
}

.m3d-pin-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--crimson-primary);
  border: 2px solid #fff;
  box-shadow: 0 0 16px var(--crimson-primary);
  position: relative;
  z-index: 2;
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.m3d-pin-pulse {
  position: absolute;
  top: 50%;
  left: 8px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(217, 4, 41, 0.45);
  transform: translate(-50%, -50%);
  animation: ping 2s cubic-bezier(0, 0, 0.2, 1) infinite;
  z-index: 1;
}

.m3d-pin-label {
  padding: 5px 12px;
  background: rgba(14, 14, 20, 0.90);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff;
  white-space: nowrap;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.75);
  transition: all var(--transition-fast);
}

.m3d-pin:hover .m3d-pin-dot,
.m3d-pin.active .m3d-pin-dot {
  transform: scale(1.35);
  background: var(--gold-accent);
  box-shadow: 0 0 22px var(--gold-accent);
}

.m3d-pin:hover .m3d-pin-label,
.m3d-pin.active .m3d-pin-label {
  border-color: var(--gold-accent);
  color: var(--gold-accent);
  transform: translateX(4px);
}

/* 3D Viewport Toolbar */
.m3d-toolbar {
  position: absolute;
  top: 14px;
  left: 14px;
  right: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  pointer-events: none;
  z-index: 15;
  flex-wrap: wrap;
}

.m3d-toolbar-left,
.m3d-toolbar-right {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.m3d-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(10, 10, 16, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-full);
}

.m3d-bike-exhibit-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  color: var(--gold-accent);
  letter-spacing: 0.1em;
  background: rgba(212, 175, 55, 0.15);
  padding: 2px 6px;
  border-radius: 4px;
}

.m3d-live-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--crimson-primary);
  box-shadow: 0 0 8px var(--crimson-primary);
  animation: pulse 1.8s infinite;
}

.m3d-bike-title {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #fff;
  letter-spacing: 0.06em;
}

.m3d-plate-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--gold-accent);
  letter-spacing: 0.1em;
  padding-left: 6px;
  border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.m3d-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(14, 14, 20, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-sm);
  color: #ccc;
  font-family: var(--font-mono);
  font-size: 0.70rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.m3d-btn:hover {
  background: rgba(217, 4, 41, 0.25);
  border-color: var(--crimson-primary);
  color: #fff;
}

.m3d-btn.active {
  background: var(--crimson-primary);
  border-color: var(--crimson-primary);
  color: #fff;
  box-shadow: 0 0 14px var(--crimson-glow);
}

.m3d-btn-gold {
  border-color: rgba(212, 175, 55, 0.5);
  color: #ffd89b;
  background: rgba(212, 175, 55, 0.12);
}

.m3d-btn-gold:hover {
  background: rgba(212, 175, 55, 0.25);
  border-color: var(--gold-accent);
  color: #fff;
  box-shadow: 0 0 14px rgba(212, 175, 55, 0.35);
}

.m3d-btn-icon {
  padding: 6px 8px;
}

/* Lighting Mode Group */
.m3d-mode-group {
  display: flex;
  align-items: center;
  background: rgba(10, 10, 16, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-sm);
  padding: 2px;
}

.m3d-mode-group .m3d-btn-mode {
  border: none;
  background: transparent;
  padding: 4px 8px;
  font-size: 0.65rem;
  border-radius: 3px;
}

.m3d-mode-group .m3d-btn-mode.active {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
  box-shadow: none;
}

/* Audio Guide Visualizer Bars */
.m3d-audio-bars {
  display: inline-flex;
  align-items: flex-end;
  gap: 2px;
  height: 12px;
  width: 12px;
}

.m3d-bar {
  width: 2px;
  background: #aaa;
  border-radius: 1px;
}

.m3d-bar.bar1 { height: 4px; }
.m3d-bar.bar2 { height: 8px; }
.m3d-bar.bar3 { height: 6px; }

#m3dToggleAudio.active .m3d-bar {
  background: #fff;
  animation: audioWave 0.8s ease-in-out infinite alternate;
}

#m3dToggleAudio.active .m3d-bar.bar1 { animation-delay: 0.1s; }
#m3dToggleAudio.active .m3d-bar.bar2 { animation-delay: 0.3s; }
#m3dToggleAudio.active .m3d-bar.bar3 { animation-delay: 0.2s; }

@keyframes audioWave {
  from { height: 3px; }
  to { height: 12px; }
}

/* Interaction Hint */
.m3d-hint {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px;
  background: rgba(10, 10, 16, 0.90);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.70rem;
  letter-spacing: 0.08em;
  color: #bbb;
  pointer-events: none;
  z-index: 12;
  transition: opacity 0.4s ease;
  white-space: nowrap;
}

/* Component Info Drawer */
.m3d-info-drawer {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  max-width: 520px;
  background: rgba(14, 14, 22, 0.96);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-crimson);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  z-index: 18;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.90),
              0 0 30px rgba(217, 4, 41, 0.25);
  animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.m3d-drawer-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold-accent);
  font-weight: 700;
  display: block;
  margin-bottom: 4px;
}

.m3d-drawer-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 6px;
  letter-spacing: 0.04em;
}

.m3d-drawer-desc {
  font-size: 0.88rem;
  line-height: 1.55;
  color: #ccc;
  margin: 0;
}

.m3d-drawer-close {
  background: none;
  border: none;
  color: #888;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  padding: 0;
  transition: color var(--transition-fast);
}

.m3d-drawer-close:hover {
  color: #fff;
}

/* Curatorial Masterpiece Dossier Modal */
.m3d-dossier-modal {
  position: absolute;
  inset: 0;
  background: rgba(6, 6, 10, 0.88);
  backdrop-filter: blur(20px);
  z-index: 25;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.m3d-dossier-modal.visible {
  opacity: 1;
}

.m3d-dossier-panel {
  background: linear-gradient(145deg, #161620 0%, #0e0e14 100%);
  border: 1px solid rgba(212, 175, 55, 0.35);
  border-radius: var(--radius-lg);
  max-width: 860px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.95),
              0 0 50px rgba(212, 175, 55, 0.15);
  display: flex;
  flex-direction: column;
}

.m3d-dossier-header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  position: relative;
}

.m3d-dossier-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  color: var(--gold-accent);
  text-transform: uppercase;
  font-weight: 700;
  display: block;
  margin-bottom: 6px;
}

.m3d-dossier-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff;
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.m3d-dossier-subtitle {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin: 4px 0 0 0;
}

.m3d-dossier-close {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #bbb;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.3rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.m3d-dossier-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-color: #fff;
}

.m3d-dossier-body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.m3d-curator-quote-box {
  background: rgba(212, 175, 55, 0.06);
  border-left: 3px solid var(--gold-accent);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  position: relative;
}

.m3d-quote-mark {
  font-family: "Cinzel", Georgia, serif;
  font-size: 3rem;
  line-height: 1;
  color: rgba(212, 175, 55, 0.35);
  position: absolute;
  top: 10px;
  left: 12px;
}

.m3d-quote-text {
  font-size: 0.95rem;
  font-style: italic;
  color: #e2e4ec;
  line-height: 1.6;
  margin: 0 0 8px 18px;
}

.m3d-quote-author {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--gold-accent);
  letter-spacing: 0.08em;
  margin-left: 18px;
  display: block;
}

.m3d-dossier-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 1.25rem;
}

.m3d-dossier-card {
  background: rgba(10, 10, 16, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.m3d-dossier-card h4 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--gold-accent);
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.m3d-dossier-entry {
  margin-bottom: 10px;
}

.m3d-entry-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #888;
  display: block;
  margin-bottom: 3px;
}

.m3d-dossier-entry p {
  font-size: 0.85rem;
  line-height: 1.5;
  color: #ccc;
  margin: 0;
}

.m3d-spec-table {
  width: 100%;
  border-collapse: collapse;
}

.m3d-spec-table th,
.m3d-spec-table td {
  padding: 6px 8px;
  font-size: 0.78rem;
  line-height: 1.4;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.m3d-spec-table th {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: #888;
  text-align: left;
  width: 45%;
}

.m3d-spec-table td {
  color: #fff;
  font-weight: 600;
}

.m3d-gold-card {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  border-color: rgba(212, 175, 55, 0.35);
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.08) 0%, rgba(10, 10, 16, 0.8) 100%);
}

.m3d-seal-graphic {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: 2px dashed var(--gold-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 0 20px rgba(212, 175, 55, 0.2);
}

.m3d-seal-inner {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #ffd89b;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.95rem;
  line-height: 1;
}

.m3d-seal-inner small {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  margin-top: 2px;
}

.m3d-seal-text h4 {
  border-bottom: none;
  margin: 0 0 4px 0;
  padding: 0;
}

.m3d-seal-text p {
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  margin: 0 0 4px 0;
}

.m3d-seal-text small {
  font-family: var(--font-mono);
  font-size: 0.70rem;
  color: #888;
}

.m3d-dossier-footer {
  padding: 1rem 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.m3d-footer-hint {
  font-family: var(--font-mono);
  font-size: 0.70rem;
  color: #888;
}

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

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fullscreen Exhibition Mode */
:fullscreen .m3d-viewport,
:-webkit-full-screen .m3d-viewport {
  border-radius: 0;
  border: none;
  height: 100vh !important;
  max-height: 100vh;
}

/* Mobile Responsiveness for 3D Showcase */
@media (max-width: 768px) {
  .m3d-hall-meta {
    flex-direction: column;
    gap: 4px;
    align-items: center;
    text-align: center;
  }
  .m3d-hall-location {
    padding-left: 0;
    border-left: none;
  }
  .m3d-bike-tabs {
    flex-direction: column;
    width: 100%;
    border-radius: var(--radius-md);
  }
  .m3d-tab {
    width: 100%;
    justify-content: space-between;
  }
  .m3d-toolbar {
    flex-direction: column;
    align-items: flex-start;
  }
  .m3d-toolbar-right {
    flex-wrap: wrap;
  }
  .m3d-hint {
    display: none;
  }
  .m3d-viewport {
    min-height: 380px;
  }
  .m3d-info-drawer {
    left: 10px;
    right: 10px;
    bottom: 10px;
    padding: 1rem;
  }
  .m3d-dossier-modal {
    padding: 1rem;
  }
  .m3d-dossier-grid {
    grid-template-columns: 1fr;
  }
  .m3d-gold-card {
    flex-direction: column;
    text-align: center;
  }
}