/* ==========================================================================
   BRITISH MOTORING EDITORIAL DESIGN SYSTEM
   Refined, Understated, Editorial Typography & Warm Paper Palette
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Newsreader:ital,opsz,wght@0,6..72,400..700;1,6..72,400..700&family=Inter:wght@300;400;500;600&display=swap');

:root {
  --font-serif: "Newsreader", "Baskerville", "Georgia", "Times New Roman", serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Primary British editorial palette */
  --bg-paper: #fbf9f5;
  --bg-cream: #f4efe6;
  --bg-stone: #ebe5d8;
  --bg-card: #ffffff;
  
  /* Contrast dark sections (British racing green / navy / charcoal) */
  --bg-dark-racing: #142a20;
  --bg-dark-navy: #151e27;
  --bg-dark-charcoal: #1e2225;
  
  /* Typography ink tones */
  --text-ink: #1e2225;
  --text-body: #42494e;
  --text-muted: #727c83;
  --text-faint: #9ea7ad;
  --text-light: #f7f5ef;
  --text-light-muted: #b8c1c5;
  
  /* Restrained dividers & hairline rules */
  --border-rule: #e5dfd4;
  --border-strong: #cfc6b5;
  --border-dark-rule: rgba(255, 255, 255, 0.12);
  
  /* Natural accents */
  --accent-racing-green: #1c3d2e;
  --accent-brass: #967444;
  --accent-burgundy: #742d33;
  --accent-faded-red: #a43936;
}

body {
  background-color: var(--bg-paper);
  color: var(--text-ink);
  font-family: var(--font-sans);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Journal Masthead Navbar */
.navbar {
  background-color: var(--bg-paper) !important;
  border-bottom: 1px solid var(--border-rule) !important;
  box-shadow: none !important;
  padding: 0.85rem 1.5rem;
}

.navbar .navbar-brand {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-ink) !important;
}

.navbar .nav-link {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary) !important;
  padding: 0.45rem 0.85rem !important;
  transition: color 0.2s ease;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
  color: var(--accent-racing-green) !important;
}

.navbar-toggler {
  border-color: var(--border-rule) !important;
}

/* Editorial Hero Header */
.hero-section {
  position: relative;
  background-color: var(--bg-paper);
  padding: 5rem 1.5rem 4.5rem;
  color: var(--text-ink);
  overflow: hidden;
  border-bottom: 1px solid var(--border-rule);
}

.hero-header {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
}

.hero-eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-racing-green);
  margin-bottom: 1rem;
  padding: 0.25rem 0.65rem;
  background: transparent;
  border-top: 1px solid var(--border-strong);
  border-bottom: 1px solid var(--border-strong);
  border-left: none;
  border-right: none;
  border-radius: 0;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-ink);
  margin: 0.5rem 0 1rem;
  line-height: 1.15;
  text-shadow: none;
}

.hero-subtitle {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-style: italic;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-body);
  margin-top: 0.85rem;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  text-shadow: none;
}

/* ==========================================================================
   ONE CAR — SEVEN DECADES: Continuous Automotive Timeline
   ========================================================================== */

.seven-decades-section {
  position: relative;
  z-index: 5;
  width: 100%;
  max-width: 1360px;
  margin: 0 auto;
  padding: 4.5rem 1.5rem 4rem;
  background: var(--bg-paper);
}

.seven-decades-header {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 3rem;
}

.timeline-headline {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-ink);
  margin: 0 0 0.85rem;
  line-height: 1.15;
  text-shadow: none;
}

.timeline-subtitle {
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-body);
  margin: 0;
  font-style: italic;
}

/* Timeline Container & Grid */
.seven-decades-container {
  position: relative;
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-rule);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
  overflow: hidden;
  border-radius: 2px;
}

/* Subtle continuous horizontal connecting line */
.timeline-horizon-line {
  position: absolute;
  top: 48px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border-rule);
  z-index: 1;
  pointer-events: none;
}

.seven-decades-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  width: 100%;
}

/* Individual Vertical Decade Panel */
.decade-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.35rem 0.65rem 1.75rem;
  border-right: 1px solid var(--border-rule);
  position: relative;
  background: transparent;
  transition: background 0.25s ease;
  min-width: 0;
}

.decade-panel:last-child {
  border-right: none;
}

.decade-panel:hover {
  background: var(--bg-cream);
}

.panel-decade-badge {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--accent-racing-green);
  text-transform: uppercase;
  margin-bottom: 0.55rem;
  transition: color 0.2s ease;
}

.panel-horizon-node {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--border-strong);
  margin-bottom: 1.25rem;
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.decade-panel:hover .panel-horizon-node {
  transform: scale(1.4);
  background: var(--accent-racing-green);
}

/* Car Photography Frame */
.panel-image-frame {
  width: 100%;
  height: 125px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 6px;
  overflow: hidden;
  margin-bottom: 1rem;
}

.panel-car-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  filter: contrast(1.02);
  transition: transform 0.4s ease;
}

.decade-panel:hover .panel-car-img {
  transform: scale(1.05);
}

/* Panel Meta Information */
.panel-meta {
  width: 100%;
  text-align: center;
  display: flex;
  flex-direction: column;
}

.panel-year {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.panel-model {
  font-family: var(--font-serif);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text-ink);
  margin: 0.2rem 0 0.75rem;
  line-height: 1.25;
  min-height: 2.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Technical Specification List */
.panel-specs {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  color: var(--text-muted);
  line-height: 1.6;
  border-top: 1px solid var(--border-rule);
  padding-top: 0.65rem;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.panel-specs span {
  display: block;
  white-space: nowrap;
}

/* Timeline Outro & Lead-in Transition */
.seven-decades-outro {
  text-align: center;
  max-width: 760px;
  margin: 3.5rem auto 1rem;
}

.outro-statement {
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  font-style: italic;
  font-weight: 400;
  color: var(--text-ink);
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.outro-transition-box {
  background: var(--bg-cream);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 1.75rem 2.25rem;
  margin-top: 1rem;
}

.transition-question {
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  font-weight: 600;
  color: var(--text-ink);
  margin: 0 0 0.45rem;
}

.transition-subtext {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.55;
}

/* Responsive: Tablet (768px - 1050px) */
@media (max-width: 1050px) {
  .seven-decades-grid {
    grid-template-columns: repeat(6, minmax(130px, 1fr));
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .timeline-horizon-line {
    width: 780px;
  }
}

/* Responsive: Mobile (< 768px) */
@media (max-width: 767px) {
  .seven-decades-container {
    background: transparent;
    border: none;
    box-shadow: none;
  }

  .timeline-horizon-line {
    display: none;
  }

  .seven-decades-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
  }

  .decade-panel {
    border-right: none;
    border: 1px solid var(--border-rule);
    background: var(--bg-card);
    border-radius: 2px;
    padding: 1.25rem 1.25rem 1.5rem;
    width: 100%;
  }

  .panel-horizon-node {
    display: none;
  }

  .panel-image-frame {
    height: 190px;
    margin-bottom: 1rem;
  }

  .panel-model {
    min-height: auto;
  }

  .panel-specs {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
  }
}

/* ==========================================================================
   Two-Car Visual Comparison Section
   ========================================================================== */

.comparison-section {
  max-width: 1240px;
  margin: 4.5rem auto 5.5rem;
  padding: 0 1.5rem;
}

.comparison-header {
  text-align: center;
  margin-bottom: 3rem;
}

.comparison-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-racing-green);
  margin-bottom: 0.75rem;
}

.comparison-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4.2vw, 3.2rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-ink);
  margin: 0 0 0.85rem;
  text-transform: none;
}

.comparison-subtitle {
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--text-body);
  font-style: italic;
  max-width: 650px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Side-by-Side Comparison Stage */
.comparison-stage {
  display: flex;
  align-items: stretch;
  gap: 1.5rem;
  position: relative;
  margin-bottom: 2.5rem;
}

.car-card {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
}

.car-card:hover {
  border-color: var(--border-strong);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
}

.car-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  background: var(--bg-cream);
  overflow: hidden;
}

.car-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.car-card:hover .car-photo {
  transform: scale(1.02);
}

.era-tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
  color: var(--accent-racing-green);
  font-family: var(--font-sans);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  padding: 0.3rem 0.65rem;
  border-radius: 2px;
}

.car-meta {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.car-name {
  font-family: var(--font-serif);
  font-size: 1.65rem;
  font-weight: 600;
  color: var(--text-ink);
  margin: 0 0 0.35rem;
  letter-spacing: -0.01em;
}

.car-category {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.03em;
}

/* Specs Table / Grid */
.car-specs-grid {
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  border-top: 1px solid var(--border-rule);
  padding-top: 1.25rem;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.88rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--border-rule);
}

.spec-row dt {
  color: var(--text-muted);
  font-weight: 400;
}

.spec-row dd {
  margin: 0;
  color: var(--text-ink);
  font-weight: 500;
  font-family: var(--font-sans);
}

.spec-metric {
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 400;
}

/* Central Bridge / VS */
.comparison-bridge {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 40px;
  position: relative;
}

.bridge-line {
  flex: 1;
  width: 1px;
  background: var(--border-rule);
}

.bridge-badge {
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  padding: 0.4rem 0.55rem;
  border-radius: 2px;
  margin: 0.5rem 0;
}

/* Data Insight Strip */
.comparison-delta-strip {
  background: var(--bg-cream);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 1.5rem 2rem;
  margin-bottom: 3rem;
}

.delta-header {
  font-family: var(--font-sans);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--accent-racing-green);
  margin-bottom: 1.25rem;
  text-align: center;
}

.delta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
  text-align: center;
}

.delta-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.5rem;
  border-left: 1px solid var(--border-rule);
}

.delta-item:first-child {
  border-left: none;
}

.delta-value {
  font-family: var(--font-serif);
  font-size: 1.65rem;
  font-weight: 600;
  color: var(--text-ink);
}

.delta-item.highlight .delta-value {
  color: var(--accent-racing-green);
}

.delta-label {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Editorial Observation & Narrative */
.comparison-narrative {
  background: var(--bg-card);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 2.5rem 3rem;
}

.narrative-heading {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-ink);
  margin: 0 0 1.25rem;
  letter-spacing: -0.01em;
}

.narrative-body p {
  color: var(--text-body);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.narrative-body p:last-child {
  margin-bottom: 0;
}

.narrative-question {
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-rule);
}

.narrative-question em {
  font-family: var(--font-serif);
  color: var(--accent-racing-green);
  font-size: 1.25rem;
  font-style: italic;
  font-weight: 400;
  display: block;
}

/* Responsive Stacking */
@media (max-width: 900px) {
  .comparison-stage {
    flex-direction: column;
  }

  .comparison-bridge {
    flex-direction: row;
    width: 100%;
    margin: 0.75rem 0;
  }

  .bridge-line {
    width: auto;
    height: 1px;
    background: var(--border-rule);
  }

  .delta-item {
    border-left: none;
    border-bottom: 1px solid var(--border-rule);
    padding-bottom: 1rem;
  }

  .delta-item:last-child {
    border-bottom: none;
  }

  .comparison-narrative {
    padding: 1.75rem;
  }
}


/* ==========================================================================
   Home Page: Decade Color Palette Section (1970 - 2024)
   ========================================================================== */

.home-palette-section {
  padding: 5rem 1.5rem 6rem;
  max-width: 1280px;
  margin: 0 auto;
  border-top: 1px solid var(--border-rule);
  background: var(--bg-paper);
}

.home-palette-header {
  text-align: center;
  max-width: 900px;
  margin: 0 auto 3rem;
}

.palette-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-racing-green);
  margin-bottom: 0.85rem;
  display: inline-block;
}

.palette-statement {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4.2vw, 3.2rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-ink);
  margin: 0 0 0.85rem;
  line-height: 1.15;
  text-shadow: none;
  text-transform: none;
}

.palette-question {
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--text-body);
  font-style: italic;
  margin: 0;
  line-height: 1.6;
}

.home-palette-card {
  background: var(--bg-card);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 2.25rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.palette-toolbar {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  background: var(--bg-cream);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 1rem 1.25rem;
  margin-bottom: 2rem;
}

.palette-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1rem;
  align-items: center;
}

.palette-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--text-body);
}

.legend-swatch {
  width: 11px;
  height: 11px;
  border-radius: 2px;
  display: inline-block;
  flex-shrink: 0;
}

.palette-readout {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--text-ink);
  background: var(--bg-card);
  padding: 0.45rem 0.85rem;
  border-radius: 2px;
  border: 1px solid var(--border-rule);
  min-height: 24px;
}

.readout-idle {
  color: var(--text-muted);
  font-style: italic;
}

.color-readout-slot {
  min-height: 3.25rem;
  margin: 1rem 0 1.5rem;
}

.stream-readout.is-floating {
  position: fixed !important;
  z-index: 1000;
  margin: 0 !important;
  box-sizing: border-box;
  pointer-events: none;
}

.mobile-scroll-hint {
  display: none;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  color: var(--accent-racing-green);
  margin-bottom: 0.75rem;
  text-align: center;
  letter-spacing: 0.05em;
}

/* 6 Decade Columns Grid */
.palette-decades-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.decade-palette-column {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 0.85rem 0.5rem;
  transition: border-color 0.2s ease;
}

.decade-palette-column:hover {
  border-color: var(--border-strong);
}

.column-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.column-decade {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text-ink);
}

.column-range {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.column-pillar {
  height: 480px;
  display: flex;
  flex-direction: column;
  width: 100%;
  border-radius: 2px;
  overflow: hidden;
  border: 1px solid var(--border-rule);
  background: var(--bg-cream);
  box-shadow: none;
}

.palette-slice {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  width: 100%;
  transition: filter 0.15s ease;
  cursor: pointer;
  user-select: none;
}

.palette-slice:hover {
  filter: brightness(1.1);
}

.palette-slice.is-compact {
  font-size: 0;
}

.slice-pct {
  font-family: var(--font-sans);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.column-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding-top: 0.25rem;
}

.footer-highlight {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.footer-pct {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--accent-racing-green);
}

.footer-label {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-sub {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.palette-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.25rem;
  padding-top: 1.5rem;
  margin-top: 1.5rem;
  border-top: 1px solid var(--border-rule);
}

.palette-source-text {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
  flex: 1;
  min-width: 280px;
}

.palette-cta-wrapper {
  flex-shrink: 0;
}

.palette-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-racing-green);
  text-decoration: none;
  padding: 0.6rem 1.1rem;
  background: var(--bg-cream);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  transition: all 0.2s ease;
}

.palette-cta-btn:hover {
  background: var(--bg-stone);
  border-color: var(--border-strong);
  color: var(--accent-racing-green);
}

@media (max-width: 960px) {
  .palette-decades-grid {
    gap: 0.5rem;
  }
  .column-pillar {
    height: 420px;
  }
  .slice-pct {
    font-size: 0.68rem;
  }
}

@media (max-width: 680px) {
  .home-palette-card {
    padding: 1.25rem;
  }
  .mobile-scroll-hint {
    display: block;
  }
  .palette-decades-grid {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    gap: 0.75rem;
    padding-bottom: 0.75rem;
  }
  .decade-palette-column {
    flex: 0 0 135px;
    min-width: 135px;
    scroll-snap-align: start;
  }
  .column-pillar {
    height: 380px;
  }
}


/* ==========================================================================
   Documentary Story Page Styles
   ========================================================================== */

.story-wrapper {
  background-color: var(--bg-paper);
  color: var(--text-ink);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

/* Section 1: Story Opening */
.story-hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 5rem 1.5rem 4rem;
  background-color: var(--bg-cream);
  overflow: hidden;
  border-bottom: 1px solid var(--border-rule);
}

.story-hero-content {
  position: relative;
  z-index: 2;
  max-width: 880px;
  margin: 0 auto;
  width: 100%;
}

.story-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-racing-green);
  margin-bottom: 1.25rem;
  display: inline-block;
  padding: 0.25rem 0.65rem;
  background: transparent;
  border-top: 1px solid var(--border-strong);
  border-bottom: 1px solid var(--border-strong);
  border-left: none;
  border-right: none;
  border-radius: 0;
}

.story-title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.12;
  color: var(--text-ink);
  margin: 0 0 2rem;
  text-shadow: none;
}

/* Framed Specimen Showcase Car */
.hero-car-frame {
  max-width: 820px;
  margin: 0 auto 2.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  text-align: left;
}

.frame-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.65rem 1.25rem;
  background: var(--bg-paper);
  border-bottom: 1px solid var(--border-rule);
  font-family: var(--font-sans);
  font-size: 0.76rem;
}

.frame-tag {
  color: var(--accent-racing-green);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.frame-sub {
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.frame-viewport {
  position: relative;
  width: 100%;
  height: 420px;
  overflow: hidden;
  background: var(--bg-cream);
}

.frame-car-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 55%;
  filter: contrast(1.02);
  display: block;
  transition: transform 0.6s ease;
}

.hero-car-frame:hover .frame-car-img {
  transform: scale(1.02);
}

.frame-bottom-bar {
  padding: 0.75rem 1.25rem;
  font-size: 0.85rem;
  color: var(--text-body);
  background: var(--bg-paper);
  border-top: 1px solid var(--border-rule);
  line-height: 1.5;
  font-family: var(--font-serif);
  font-style: italic;
}

.story-subtitles {
  max-width: 740px;
  margin: 0 auto 2rem;
}

.story-lead {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
  font-style: italic;
  font-weight: 400;
  line-height: 1.55;
  color: var(--text-ink);
  text-shadow: none;
  margin: 0 0 1rem;
}

.story-question {
  font-family: var(--font-sans);
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

.scroll-prompt {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: 1rem;
}

.scroll-arrow {
  font-size: 1.2rem;
  color: var(--accent-racing-green);
  animation: bounce 2s infinite;
}

/* Section Layout */
.story-container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 2rem 1.5rem 6rem;
}

.story-section {
  padding: 4.5rem 0 3rem;
  border-bottom: 1px solid var(--border-rule);
}

.section-badge {
  font-family: var(--font-sans);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-racing-green);
  margin-bottom: 0.75rem;
}

.section-heading {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4.2vw, 3.2rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-ink);
  margin: 0 0 1.5rem;
}

.editorial-text p {
  font-size: 1.15rem;
  line-height: 1.75;
  color: var(--text-body);
  font-weight: 400;
  margin: 0 0 1.25rem;
}

/* Sequence Grid of Cars: Grouped by Decade */
.car-sequence-wrapper {
  margin: 3.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.decade-gallery-block {
  background: var(--bg-card);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 1.75rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
}

.decade-gallery-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-rule);
  padding-bottom: 0.65rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.decade-gallery-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--accent-racing-green);
  letter-spacing: 0.02em;
}

.decade-gallery-sub {
  font-family: var(--font-serif);
  font-size: 0.88rem;
  color: var(--text-muted);
  font-style: italic;
}

.decade-cars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

@media (max-width: 850px) {
  .decade-cars-grid {
    grid-template-columns: 1fr;
  }
}

.sequence-card {
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  overflow: hidden;
  transition: border-color 0.25s ease;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
}

.sequence-card:hover {
  border-color: var(--border-strong);
}

.sequence-img-wrap {
  height: 170px;
  overflow: hidden;
  position: relative;
  background: var(--bg-cream);
}

.sequence-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.sequence-card:hover .sequence-img-wrap img {
  transform: scale(1.03);
}

.sequence-caption {
  padding: 1rem;
  background: var(--bg-card);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.seq-year {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.seq-name {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-ink);
}

.seq-desc {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--text-body);
  line-height: 1.45;
}

/* Editorial Bridge */
.editorial-bridge {
  text-align: center;
  padding: 4rem 1rem;
  margin: 3.5rem 0;
  background: var(--bg-cream);
  border-top: 1px solid var(--border-rule);
  border-bottom: 1px solid var(--border-rule);
}

.dramatic-phrases {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.dramatic-phrases li {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  font-style: italic;
  color: var(--text-ink);
  letter-spacing: 0.01em;
}

.whisper-text {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--text-muted);
  font-style: italic;
  margin: 0 0 1rem;
}

.dramatic-statement {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  font-weight: 600;
  color: var(--text-ink);
  margin: 0 0 2rem;
  line-height: 1.15;
  text-shadow: none;
}

.inquiry-box {
  background: var(--bg-card);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 2rem;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.inquiry-box p {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--text-body);
  margin: 0 0 0.5rem;
}

.highlighted-inquiry {
  font-family: var(--font-serif);
  font-size: 1.35rem !important;
  font-style: italic !important;
  font-weight: 600 !important;
  color: var(--accent-racing-green) !important;
  margin-top: 0.5rem !important;
}

/* Chapter 01: Color */
.chapter-marker {
  font-family: var(--font-sans);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--accent-racing-green);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.investigation-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-ink);
  margin: 0 0 1.5rem;
}

.editorial-intro p {
  font-size: 1.15rem;
  line-height: 1.75;
  color: var(--text-body);
  margin-bottom: 1rem;
  max-width: 800px;
}

/* Color Visualization Card (1970 - 2024 Continuous Timeline) */
.color-viz-card {
  background: var(--bg-card);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 2.25rem;
  margin: 3rem 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.viz-header {
  margin-bottom: 1.5rem;
}

.viz-title-block {
  display: flex;
  flex-direction: column;
}

.viz-heading {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-ink);
  margin: 0 0 0.35rem;
}

.viz-subheading {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin: 0;
}

/* Header Bar: Legend & Active Readout */
.color-viz-controls-bar {
  position: relative;
  background: var(--bg-cream);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 0.85rem 1.2rem;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.color-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.legend-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.25rem 0.55rem;
  background: var(--bg-card);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--text-body);
}

.legend-color-box {
  width: 10px;
  height: 10px;
  border-radius: 2px;
}

.legend-color-label {
  font-size: 0.75rem;
  color: var(--text-body);
}

.timeline-hover-readout {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--text-body);
  background: var(--bg-card);
  padding: 0.45rem 0.85rem;
  border-radius: 2px;
  border: 1px solid var(--border-rule);
  min-height: 28px;
  display: flex;
  align-items: center;
}

.readout-prompt {
  color: var(--text-muted);
  font-style: italic;
}

.readout-active-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
}

.readout-year {
  color: var(--accent-racing-green);
  font-weight: 700;
  font-size: 0.88rem;
}

.readout-chips {
  color: var(--text-body);
}

.readout-chip strong {
  color: var(--text-ink);
}

.readout-summary {
  color: var(--text-muted);
  font-weight: 500;
  margin-left: 0.35rem;
}

/* Continuous Color Timeline Stream (1970 - 2024) */
.color-timeline-stream {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin: 1.5rem 0;
}

.timeline-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.3rem 0.5rem;
  border-radius: 2px;
  border: 1px solid transparent;
  transition: background 0.15s ease, border-color 0.15s ease;
  cursor: pointer;
}

.timeline-row:hover, .timeline-row.is-selected-row {
  background: var(--bg-cream);
  border-color: var(--border-rule);
}

.timeline-row.decade-start {
  margin-top: 0.85rem;
  padding-top: 0.55rem;
  border-top: 1px solid var(--border-rule);
}

.row-year-col {
  width: 75px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.row-year-label {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-body);
}

.timeline-row.decade-start .row-year-label {
  color: var(--accent-racing-green);
  font-weight: 700;
  font-size: 0.9rem;
}

.decade-pill {
  font-size: 0.65rem;
  font-family: var(--font-sans);
  font-weight: 600;
  background: var(--bg-cream);
  color: var(--accent-racing-green);
  padding: 1px 4px;
  border-radius: 2px;
  border: 1px solid var(--border-rule);
}

.row-bar-wrap {
  flex: 1;
  height: 28px;
  background: var(--bg-paper);
  border-radius: 2px;
  overflow: hidden;
  border: 1px solid var(--border-rule);
  box-shadow: none;
}

.row-stacked-bar {
  display: flex;
  height: 100%;
  width: 100%;
}

.bar-seg {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  overflow: hidden;
  white-space: nowrap;
  transition: filter 0.15s ease;
  user-select: none;
}

.bar-seg:hover {
  filter: brightness(1.1);
}

.bar-seg.is-narrow {
  font-size: 0;
}

.row-small-labels {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  min-width: 160px;
  flex-wrap: wrap;
  flex-shrink: 0;
}

.micro-badge {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  color: var(--text-muted);
  background: var(--bg-paper);
  padding: 2px 5px;
  border-radius: 2px;
  border: 1px solid var(--border-rule);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
}

.viz-footer-note {
  margin-top: 1.25rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.5;
}

/* Diversity Investigation */
.diversity-investigation {
  background: var(--bg-cream);
  border: 1px solid var(--border-rule);
  border-left: 3px solid var(--accent-racing-green);
  border-radius: 2px;
  padding: 2.5rem;
  margin: 3.5rem 0;
}

.investigation-badge {
  font-family: var(--font-sans);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--accent-racing-green);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.diversity-lead {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--text-ink);
  margin-bottom: 0.75rem;
}

.diversity-answer-bridge {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  font-style: italic;
  color: var(--accent-racing-green);
  margin: 1.5rem 0;
}

.metric-explainer-card {
  background: var(--bg-card);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 1.75rem;
  margin-top: 1.5rem;
}

.metric-header {
  margin-bottom: 1rem;
}

.metric-tag {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.metric-name {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-ink);
  margin: 0.3rem 0 0;
}

.metric-formula-explanation p {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text-body);
  margin-bottom: 0.75rem;
}

.metric-plain-english {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.metric-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-rule);
}

.metric-stat-box {
  background: var(--bg-card);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 1.5rem 1.25rem;
  text-align: center;
}

.stat-era {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 600;
  margin: 0.2rem 0;
}

.color-vibrant {
  color: var(--accent-racing-green);
}

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

.stat-label {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-ink);
  margin-bottom: 0.5rem;
}

.stat-detail {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Chapter Transition */
.chapter-transition {
  text-align: center;
  padding: 5rem 1rem 4rem;
  border-top: 1px solid var(--border-rule);
  margin-top: 4rem;
  background: var(--bg-paper);
}

.transition-divider {
  width: 40px;
  height: 1px;
  background: var(--accent-racing-green);
  margin: 0 auto 2.5rem;
}

.transition-statement {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 600;
  color: var(--text-ink);
  margin: 0 0 1rem;
}

.transition-sub {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--text-secondary);
  font-style: italic;
  margin: 0 0 2.5rem;
}

.next-chapter-teaser {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.teaser-label {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.teaser-title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--accent-racing-green);
}

.teaser-arrow {
  font-size: 1.3rem;
  color: var(--accent-racing-green);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(8px); }
  60% { transform: translateY(4px); }
}

@media (max-width: 850px) {
  .frame-viewport {
    height: 260px;
  }
  .row-small-labels {
    display: none;
  }
}

/* ==========================================================================
   02 — SHAPE SECTION STYLES
   ========================================================================== */

.shape-intro-header {
  margin: 4.5rem 0 3rem;
  text-align: left;
}

.shape-intro-lead {
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 2.2vw, 1.4rem);
  color: var(--text-ink);
  line-height: 1.7;
  max-width: 820px;
  margin-bottom: 1.25rem;
}

.shape-intro-sub {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: var(--text-secondary);
  font-style: italic;
  max-width: 820px;
  line-height: 1.6;
}

/* 2. Visual Silhouette Gallery */
.silhouette-section {
  margin: 4rem 0;
}

.silhouette-header-block {
  margin-bottom: 2rem;
}

.silhouette-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--accent-racing-green);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.silhouette-heading {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 600;
  color: var(--text-ink);
  margin: 0 0 0.5rem;
}

.silhouette-sub {
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 760px;
  line-height: 1.6;
}

.silhouette-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 1024px) {
  .silhouette-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .silhouette-grid {
    grid-template-columns: 1fr;
  }
}

.silhouette-card {
  background: var(--bg-card);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.silhouette-card:hover {
  border-color: var(--border-strong);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}

.silhouette-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0.85rem;
  background: var(--bg-cream);
  border-bottom: 1px solid var(--border-rule);
}

.silhouette-frame {
  height: 180px;
  background: var(--bg-cream);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border-rule);
}

.silhouette-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 0.75rem;
  filter: contrast(1.02);
  transition: transform 0.4s ease;
}

.silhouette-card:hover .silhouette-img {
  transform: scale(1.02);
}

.silhouette-era-pill {
  position: static;
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
  color: var(--accent-racing-green);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: 2px;
}

.silhouette-info {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.sil-year-badge {
  font-family: var(--font-sans);
  font-size: 0.74rem;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-bottom: 0;
}

.sil-car-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-ink);
  margin: 0 0 0.5rem;
}

.sil-profile-desc {
  font-size: 0.85rem;
  color: var(--text-body);
  line-height: 1.55;
  margin-bottom: 1rem;
  flex: 1;
}

.sil-traits {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  border-top: 1px solid var(--border-rule);
  padding-top: 0.75rem;
}

.sil-trait {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  color: var(--text-muted);
  background: var(--bg-paper);
  padding: 0.2rem 0.5rem;
  border-radius: 2px;
  border: 1px solid var(--border-rule);
}

/* 3. Transition Statement */
.measure-statement-card {
  text-align: center;
  padding: 4.5rem 1.5rem;
  margin: 4rem 0;
  background: var(--bg-cream);
  border-top: 1px solid var(--border-rule);
  border-bottom: 1px solid var(--border-rule);
}

.measure-main-statement {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4.2vw, 3.2rem);
  font-weight: 600;
  color: var(--text-ink);
  letter-spacing: -0.01em;
  margin: 0 0 1rem;
}

.measure-sub-statement {
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  color: var(--text-secondary);
  font-style: italic;
  margin: 0 auto;
  max-width: 680px;
}

/* 4. Raw Dimensions Explorer */
.dim-explorer-card {
  background: var(--bg-card);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 2rem;
  margin: 3.5rem 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
}

.dim-controls-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-rule);
  padding-bottom: 1.25rem;
}

.dim-btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.dim-tab-btn {
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
  color: var(--text-body);
  padding: 0.45rem 0.9rem;
  border-radius: 2px;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.dim-tab-btn:hover {
  color: var(--accent-racing-green);
  border-color: var(--border-strong);
}

.dim-tab-btn.is-active {
  background: var(--accent-racing-green);
  color: #ffffff;
  border-color: var(--accent-racing-green);
  font-weight: 600;
}

.unit-toggle-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 0.2rem 0.4rem;
}

.unit-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.76rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.unit-btn.is-active {
  background: var(--accent-racing-green);
  color: #ffffff;
}

.dim-readout-strip {
  background: var(--bg-cream);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 0.75rem 1.25rem;
  margin-bottom: 1.5rem;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.dim-readout-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--text-body);
}

.dim-readout-year {
  color: var(--accent-racing-green);
  font-weight: 700;
  font-size: 0.9rem;
}

.dim-readout-val {
  color: var(--text-ink);
  font-weight: 700;
}

.dim-readout-delta {
  color: var(--accent-racing-green);
  font-weight: 600;
}

.dim-readout-sample {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.dim-chart-svg-container {
  width: 100%;
  height: 380px;
  position: relative;
}

.dim-chart-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.dim-stats-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 1.75rem;
  border-top: 1px solid var(--border-rule);
  padding-top: 1.5rem;
}

@media (max-width: 900px) {
  .dim-stats-summary-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 500px) {
  .dim-stats-summary-grid {
    grid-template-columns: 1fr;
  }
}

.dim-stat-card {
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 1rem;
}

.dim-stat-dimension {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.dim-stat-number {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--accent-racing-green);
  margin: 0.35rem 0 0.2rem;
}

.dim-stat-caption {
  font-size: 0.78rem;
  color: var(--text-body);
  line-height: 1.4;
}

/* 5. Proportions Section */
.proportions-concept-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 2.5rem 0;
}

@media (max-width: 900px) {
  .proportions-concept-grid {
    grid-template-columns: 1fr;
  }
}

.prop-concept-card {
  background: var(--bg-card);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
}

.prop-ratio-badge {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent-racing-green);
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
  padding: 0.25rem 0.6rem;
  border-radius: 2px;
  margin-bottom: 0.75rem;
  align-self: flex-start;
}

.prop-ratio-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-ink);
  margin: 0 0 0.5rem;
}

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

.prop-contrast-box {
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 0.85rem;
  font-size: 0.78rem;
}

.prop-high {
  color: var(--accent-racing-green);
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.prop-low {
  color: var(--accent-burgundy);
  font-weight: 600;
}

/* 6. Shape Diversity Centerpiece */
.diversity-spread-card {
  background: var(--bg-card);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 2.25rem;
  margin: 4rem 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
}

.dispersion-chart-container {
  width: 100%;
  height: 380px;
  position: relative;
  margin: 1.5rem 0;
}

.dispersion-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-body);
  margin-bottom: 1rem;
}

.disp-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.disp-legend-swatch {
  width: 18px;
  height: 8px;
  border-radius: 2px;
}

.nuance-findings-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

@media (max-width: 800px) {
  .nuance-findings-grid {
    grid-template-columns: 1fr;
  }
}

.finding-card {
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 1.5rem;
}

.finding-tag {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.finding-tag.convergence {
  color: var(--accent-racing-green);
}

.finding-tag.divergence {
  color: var(--accent-brass);
}

.finding-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-ink);
  margin: 0 0 0.6rem;
}

.finding-p {
  font-size: 0.86rem;
  color: var(--text-body);
  line-height: 1.6;
  margin: 0;
}

/* 7. Body Style Diversity */
.bodystyle-viz-card {
  background: var(--bg-card);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 2.25rem;
  margin: 4rem 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
}

.bodystyle-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.75rem;
}

.bodystyle-legend-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.25rem 0.55rem;
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  font-family: var(--font-sans);
  font-size: 0.76rem;
  color: var(--text-body);
}

.bs-dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
}

.bodystyle-stream {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.bs-decade-row {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.bs-decade-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.bs-decade-label {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent-racing-green);
}

.bs-decade-top {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.bs-stacked-track {
  height: 36px;
  display: flex;
  border-radius: 2px;
  overflow: hidden;
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
}

.bs-seg {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  color: #ffffff;
  overflow: hidden;
  white-space: nowrap;
  transition: opacity 0.2s ease;
  position: relative;
}

.bs-seg:hover {
  opacity: 0.85;
}

/* 8. Visual + Data Bridge Matrix */
.bridge-matrix-section {
  margin: 4.5rem 0;
}

.bridge-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

@media (max-width: 1100px) {
  .bridge-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 600px) {
  .bridge-grid {
    grid-template-columns: 1fr;
  }
}

.bridge-card {
  background: var(--bg-card);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
}

.bridge-img-box {
  height: 110px;
  background: var(--bg-cream);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  border-bottom: 1px solid var(--border-rule);
}

.bridge-img-box img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.bridge-meta {
  padding: 0.85rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.bridge-year {
  font-family: var(--font-sans);
  font-size: 0.74rem;
  color: var(--accent-racing-green);
  font-weight: 600;
}

.bridge-name {
  font-family: var(--font-serif);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-ink);
  margin: 0.15rem 0 0.6rem;
}

.bridge-specs-list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-family: var(--font-sans);
  font-size: 0.74rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-rule);
  padding-top: 0.5rem;
}

.bridge-specs-list span {
  display: flex;
  justify-content: space-between;
}

.bridge-specs-list strong {
  color: var(--text-body);
}

/* 9. Methodology Collapsible */
.methodology-details {
  background: var(--bg-cream);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  margin: 3.5rem 0;
  overflow: hidden;
}

.methodology-summary {
  padding: 1.1rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-racing-green);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
}

.methodology-summary::-webkit-details-marker {
  display: none;
}

.methodology-summary::after {
  content: "+";
  font-size: 1.2rem;
  color: var(--text-muted);
  transition: transform 0.2s ease;
}

.methodology-details[open] .methodology-summary::after {
  content: "−";
  color: var(--accent-racing-green);
}

.methodology-content {
  padding: 0 1.5rem 1.5rem;
  font-size: 0.85rem;
  color: var(--text-body);
  line-height: 1.6;
  border-top: 1px solid var(--border-rule);
  padding-top: 1.25rem;
}

.methodology-content ul {
  padding-left: 1.25rem;
  margin: 0.5rem 0;
}

.methodology-content li {
  margin-bottom: 0.4rem;
}

/* 10. Sound Teaser Transition */
.sound-teaser-section {
  text-align: center;
  padding: 5rem 1.5rem 4rem;
  margin-top: 4rem;
  border-top: 1px solid var(--border-rule);
  background: var(--bg-cream);
}

.sound-teaser-lead {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4.2vw, 3.2rem);
  font-weight: 600;
  color: var(--text-ink);
  margin: 0 0 0.8rem;
}

.sound-teaser-question {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  font-weight: 600;
  font-style: italic;
  color: var(--accent-racing-green);
  letter-spacing: 0;
  margin: 0 0 1.5rem;
}

.sound-teaser-whisper {
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--text-secondary);
  font-style: italic;
  margin: 0.35rem 0;
}

.sound-marker-box {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-top: 2rem;
}

.sound-chapter-tag {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.sound-chapter-title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--accent-racing-green);
}

.sound-chapter-arrow {
  font-size: 1.3rem;
  color: var(--accent-racing-green);
  animation: bounce 2s infinite;
}

/* ==========================================================================
   CHAPTER 03 — SOUND & MECHANICAL POWERTRAINS
   ========================================================================== */

.sound-challenge-card {
  background: var(--bg-card);
  border: 1px solid var(--border-rule);
  border-left: 3px solid var(--accent-racing-green);
  border-radius: 2px;
  padding: 2rem 2.25rem;
  margin: 2.5rem 0 3rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.challenge-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--accent-racing-green);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.challenge-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.2vw, 2.2rem);
  font-weight: 600;
  color: var(--text-ink);
  margin: 0 0 0.85rem;
}

.challenge-desc {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-body);
  margin: 0;
  max-width: 820px;
}

/* Sound Grid & Audio Cards */
.sound-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0 3.5rem;
}

#sound-players-grid {
  margin: 2rem 0 3.5rem;
}

.engine-selector-intro {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid var(--border-rule);
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Sound Dropdown Selector */
.sound-dropdown-wrap {
  margin: 1.5rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.sound-dropdown-label {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.sound-select-box {
  position: relative;
  display: inline-block;
  max-width: 380px;
  width: 100%;
}

.sound-engine-select {
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text-ink);
  background-color: var(--bg-card);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 0.65rem 2.5rem 0.65rem 0.95rem;
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.sound-engine-select:hover {
  border-color: var(--border-strong);
  background-color: var(--bg-cream);
}

.sound-engine-select:focus {
  outline: none;
  border-color: var(--accent-racing-green);
  background-color: var(--bg-card);
}

.sound-select-box::after {
  content: "▾";
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.95rem;
  color: var(--text-muted);
  pointer-events: none;
}

.engine-recording-detail {
  min-height: 290px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  margin-top: 1.5rem;
  padding: 1.5rem 0 0.5rem;
  border-top: 1px solid var(--border-rule);
  transition: opacity 0.15s ease-in-out;
  opacity: 1;
}

.engine-recording-detail.is-fading {
  opacity: 0.15;
}

.sound-specimen-meta {
  margin-bottom: 1.25rem;
}

.sound-specimen-heading-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
}

.sound-specimen-title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text-ink);
  margin: 0;
  line-height: 1.2;
}

.sound-specimen-count {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.sound-specimen-vehicle {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-style: italic;
  color: var(--accent-racing-green);
  margin: 0 0 0.35rem;
}

.sound-specimen-engine-desc {
  font-family: var(--font-sans);
  font-size: 0.92rem;
  color: var(--text-body);
  line-height: 1.55;
  max-width: 760px;
}

.sound-specimen-source-row {
  border-top: 1px solid var(--border-rule);
  padding-top: 0.85rem;
  margin-top: 1.25rem;
}

.sound-specimen-source-row .sound-card-source {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}

.sound-specimen-source-row .sound-card-source a {
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.sound-specimen-source-row .sound-card-source a:hover {
  color: var(--accent-racing-green);
}

.sound-card {
  background: var(--bg-card);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
  position: relative;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.sound-card:hover {
  border-color: var(--border-strong);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}

.sound-card.is-playing {
  border-color: var(--accent-racing-green);
  box-shadow: 0 4px 16px rgba(28, 61, 46, 0.08);
}

.sound-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
}

.sound-specimen-pill {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent-racing-green);
  background: var(--bg-paper);
  padding: 0.25rem 0.6rem;
  border-radius: 2px;
  border: 1px solid var(--border-rule);
  text-transform: uppercase;
}

.sound-format-badge {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.sound-card-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-ink);
  margin: 0 0 0.5rem;
  line-height: 1.3;
}

.sound-card-character {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text-body);
  margin: 0 0 1.25rem;
  flex-grow: 1;
}

.sound-card-source {
  font-size: 0.76rem;
  line-height: 1.5;
  color: var(--text-muted);
  margin: -0.5rem 0 1.25rem;
}

.sound-card-source a {
  color: var(--accent-racing-green);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.sound-card-unavailable {
  opacity: 0.76;
}

.sound-card-availability {
  padding-top: 1rem;
  border-top: 1px solid var(--border-rule);
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

/* Real Interactive Audio Waveform */
.sound-waveform-container {
  margin-bottom: 1.25rem;
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 0.65rem 0.85rem 0.55rem;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.02);
}

.sound-waveform-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.45rem;
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.sound-waveform-header-left {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.sound-waveform-indicator-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-racing-green);
  opacity: 0.75;
}

.sound-waveform-label {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.sound-waveform-header-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-variant-numeric: tabular-nums;
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 600;
}

.sound-waveform-duration {
  color: var(--text-muted);
}

.sound-waveform-seek-preview {
  color: var(--accent-racing-green);
  font-weight: 700;
}

.sound-waveform-canvas-wrap {
  position: relative;
  width: 100%;
  height: 80px;
  cursor: pointer;
  background: rgba(28, 61, 46, 0.02);
  border-radius: 1px;
  border: 1px solid rgba(28, 61, 46, 0.1);
  overflow: hidden;
  user-select: none;
  touch-action: none;
}

.sound-waveform-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.sound-waveform-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(251, 250, 248, 0.85);
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  pointer-events: none;
}

/* Legacy waveform fallback track */
.sound-waveform-track {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 48px;
  background: var(--bg-paper);
  padding: 8px 10px;
  border-radius: 2px;
  border: 1px solid var(--border-rule);
  margin-bottom: 1.2rem;
  cursor: pointer;
  overflow: hidden;
}

.waveform-bar {
  flex: 1 1 0;
  min-width: 2px;
  background: var(--border-strong);
  border-radius: 1px;
  transition: background-color 0.15s ease, height 0.15s ease;
}

.waveform-bar.passed {
  background: var(--accent-racing-green);
}

.waveform-bar.active-bar {
  background: var(--accent-racing-green);
  box-shadow: 0 0 4px rgba(28, 61, 46, 0.4);
}

/* Sound Controls */
.sound-controls-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.sound-play-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--bg-paper);
  color: var(--accent-racing-green);
  border: 1px solid var(--border-strong);
  padding: 0.45rem 0.9rem;
  border-radius: 2px;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sound-play-btn:hover {
  background: var(--accent-racing-green);
  color: #ffffff;
  border-color: var(--accent-racing-green);
}

.sound-card.is-playing .sound-play-btn {
  background: var(--accent-racing-green);
  color: #ffffff;
  border-color: var(--accent-racing-green);
}

.sound-time-readout {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.sound-card.is-playing .sound-time-readout {
  color: var(--text-body);
}

.sound-status-dot {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.status-indicator-circle {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border-strong);
  display: inline-block;
}

.sound-card.is-playing .status-indicator-circle {
  background: var(--accent-racing-green);
  box-shadow: 0 0 4px var(--accent-racing-green);
}

.sound-card.is-playing .sound-status-dot {
  color: var(--accent-racing-green);
}

/* Mechanical Powertrain Section */
.powertrain-breakdown-card {
  background: var(--bg-card);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 2.25rem;
  margin: 3rem 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
}

.powertrain-header {
  margin-bottom: 2rem;
}

.powertrain-title {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 600;
  color: var(--text-ink);
  margin: 0 0 0.5rem;
}

.powertrain-sub {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* Engine Config Stacked Timeline */
.engine-cfg-chart {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin: 2rem 0;
}

.engine-decade-row {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.engine-meta-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.engine-decade-label {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent-racing-green);
}

.engine-dominant-tag {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.engine-dominant-tag strong {
  color: var(--text-ink);
}

.engine-stacked-bar {
  display: flex;
  height: 36px;
  border-radius: 2px;
  overflow: hidden;
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
}

.engine-slice {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  color: #ffffff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding: 0 4px;
  transition: opacity 0.2s ease;
}

.engine-slice:hover {
  opacity: 0.85;
}

/* Engine Legend */
.engine-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  padding: 1.25rem;
  background: var(--bg-paper);
  border-radius: 2px;
  margin-top: 1.5rem;
  border: 1px solid var(--border-rule);
}

.engine-legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--text-body);
}

.engine-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  flex-shrink: 0;
}

/* Displacement Stats Grid */
.disp-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.disp-stat-card {
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 1.25rem 1rem;
  text-align: center;
}

.disp-decade {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.disp-number {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--accent-racing-green);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}

.disp-unit {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-left: 2px;
}

.disp-note {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
  line-height: 1.3;
}

/* Modern Era Card */
.modern-era-card {
  background: var(--bg-cream);
  border: 1px solid var(--border-rule);
  border-left: 3px solid var(--accent-brass);
  border-radius: 2px;
  padding: 2.25rem;
  margin: 3.5rem 0;
}

.era-tag {
  font-family: var(--font-sans);
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--accent-brass);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.era-heading {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 600;
  color: var(--text-ink);
  margin: 0 0 1rem;
}

.era-text {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-body);
  margin: 0 0 1rem;
  max-width: 840px;
}

.era-subtext {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0;
  border-top: 1px solid var(--border-rule);
  padding-top: 1rem;
}

/* Final Story Moment */
.final-story-moment {
  text-align: center;
  padding: 5rem 1.5rem 4rem;
  margin-top: 4rem;
  border-top: 1px solid var(--border-rule);
  background: var(--bg-paper);
}

.moment-lines {
  max-width: 760px;
  margin: 0 auto 3rem;
}

.moment-line {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 600;
  color: var(--text-ink);
  margin: 0.5rem 0;
  line-height: 1.2;
}

.moment-pause {
  width: 36px;
  height: 1px;
  background: var(--accent-racing-green);
  margin: 2rem auto;
}

.moment-question {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3.2vw, 2.3rem);
  font-weight: 600;
  color: var(--accent-racing-green);
  margin: 0 0 1.5rem;
}

.moment-answer {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
  font-style: italic;
  color: var(--text-body);
  margin: 0 0 0.5rem;
}

.moment-conclusion {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin: 0;
}

.final-cta-container {
  display: flex;
  justify-content: center;
  margin-top: 2.5rem;
}

.final-cta-button {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--accent-racing-green);
  color: #ffffff !important;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.95rem 2rem;
  border-radius: 2px;
  border: 1px solid var(--accent-racing-green);
  text-decoration: none;
  transition: all 0.25s ease;
  box-shadow: 0 2px 8px rgba(28, 61, 46, 0.15);
}

.final-cta-button:hover {
  background: #142a20;
  border-color: #142a20;
  box-shadow: 0 4px 16px rgba(28, 61, 46, 0.25);
  transform: translateY(-1px);
}

.final-cta-button .cta-arrow {
  font-size: 1.1rem;
  transition: transform 0.2s ease;
}

.final-cta-button:hover .cta-arrow {
  transform: translateX(3px);
}

/* Expandable Data Transparency */
.data-transparency-card {
  margin: 3.5rem 0 2rem;
  border-top: 1px solid var(--border-rule);
  padding-top: 2rem;
}

.transparency-details {
  background: var(--bg-card);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  overflow: hidden;
}

.transparency-summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-body);
  cursor: pointer;
  user-select: none;
}

.transparency-summary:hover {
  color: var(--accent-racing-green);
}

.transparency-body {
  padding: 1.5rem;
  border-top: 1px solid var(--border-rule);
  background: var(--bg-paper);
}

.transparency-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.transparency-item h4 {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-ink);
  margin: 0 0 0.6rem;
}

.transparency-item p {
  font-size: 0.85rem;
  color: var(--text-body);
  line-height: 1.6;
  margin: 0 0 0.5rem;
}

.transparency-item a {
  color: var(--accent-racing-green);
  text-decoration: underline;
}

.transparency-item .small-note {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
  line-height: 1.5;
}

/* ==========================================================================
   EXPLORATION SECTION — INTERACTIVE WORLD MAP (AUTOMOTIVE ATLAS)
   ========================================================================== */

.exploration-section {
  position: relative;
  background-color: var(--bg-paper);
  min-height: calc(100vh - 60px);
  padding: 3.5rem 1.5rem 4.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: hidden;
}

.exploration-header {
  text-align: center;
  max-width: 820px;
  margin-bottom: 2rem;
  position: relative;
  z-index: 2;
}

.exploration-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 600;
  color: var(--text-ink);
  margin: 0.6rem 0 0.8rem;
  line-height: 1.15;
}

.exploration-subtitle {
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  font-style: italic;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto;
}

.map-wrapper {
  position: relative;
  width: 100%;
  max-width: 1200px;
  background: var(--bg-card);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
  overflow: hidden;
  z-index: 2;
}

.map-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.25rem;
  background: var(--bg-cream);
  border-bottom: 1px solid var(--border-rule);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}

.map-selected-readout {
  color: var(--text-body);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.map-selected-readout .selected-highlight {
  color: var(--accent-racing-green);
  font-weight: 600;
}

.map-selected-readout .selected-iso {
  color: var(--text-muted);
  font-size: 0.74rem;
}

.map-status-pill {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-racing-green);
  margin-right: 0.35rem;
}

.map-hints {
  color: var(--text-muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.map-stage {
  position: relative;
  width: 100%;
  padding: 1.5rem 1rem;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #f7f4ec;
}

.map-svg {
  width: 100%;
  height: auto;
  max-height: 70vh;
  display: block;
}

.map-graticule {
  fill: none;
  stroke: rgba(0, 0, 0, 0.05);
  stroke-width: 0.5px;
}

.map-sphere {
  fill: #f4efe6;
  stroke: var(--border-rule);
  stroke-width: 0.8px;
}

.world-country {
  fill: #e8e4db;
  stroke: #f7f4ec;
  stroke-width: 0.5px;
  cursor: default;
  transition: fill 0.22s ease, stroke 0.22s ease, opacity 0.22s ease;
  pointer-events: none;
}

/* Countries without automotive data: quiet and muted */
.world-country.is-muted {
  fill: #e8e4db;
  opacity: 0.75;
}

/* Countries with automotive data: subtly prominent */
.world-country.has-data {
  fill: #d5cdbe;
  stroke: #fbf9f5;
  stroke-width: 0.75px;
  cursor: pointer;
  opacity: 1;
}

.world-country.has-data:hover,
.world-country.has-data.is-hovered,
.world-country.has-data.is-active-source {
  fill: var(--accent-racing-green) !important;
  stroke: #ffffff !important;
  stroke-width: 1.2px !important;
}

.world-country.is-muted.is-hovered {
  fill: #d8d2c4 !important;
  stroke: #ece6d8 !important;
  stroke-width: 0.9px !important;
}

/* Invisible interaction hit layer - follows exact country geometry */
.country-hit-area {
  fill: rgba(0, 0, 0, 0.001);
  stroke: rgba(0, 0, 0, 0.001);
  stroke-linejoin: round;
  stroke-linecap: round;
  pointer-events: all;
  cursor: default;
}

.country-hit-area.has-data {
  cursor: pointer;
}

.world-country.is-selected {
  fill: #142a20 !important;
  stroke: #ffffff !important;
  stroke-width: 1.3px !important;
}

/* ==========================================================================
   EXPLORATION — INTERACTIVE MANUFACTURER LOGO OVERLAY
   ========================================================================== */

.map-connectors-layer line {
  stroke: rgba(20, 42, 32, 0.25);
  stroke-width: 1px;
  stroke-dasharray: 2 2;
  pointer-events: none;
  transition: stroke 0.2s ease, stroke-width 0.2s ease, opacity 0.2s ease;
}

.map-connectors-layer line.is-highlighted {
  stroke: var(--accent-racing-green);
  stroke-width: 1.5px;
  stroke-dasharray: none;
}

.map-connectors-layer line.is-dimmed {
  opacity: 0.15;
}

/* Logo Node Group */
.mfg-logo-node {
  cursor: pointer !important;
  transition: opacity 0.24s cubic-bezier(0.16, 1, 0.3, 1);
}

.mfg-hit-area {
  cursor: pointer !important;
  pointer-events: all;
  fill: transparent;
  stroke: none;
}

.mfg-logo-node.is-dimmed {
  opacity: 0.22;
}

.mfg-logo-badge {
  /* Strictly NO transform or scale here to ensure absolute stability */
  cursor: pointer !important;
  transform-box: fill-box;
  transform-origin: center;
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

.mfg-logo-node:hover .mfg-logo-badge,
.mfg-logo-node.is-hovered .mfg-logo-badge {
  transform: scale(1.035);
}

.mfg-badge-circle {
  fill: #fbf9f5;
  stroke: rgba(20, 42, 32, 0.22);
  stroke-width: 1.5px;
  cursor: pointer !important;
  pointer-events: all;
  transition: stroke 0.2s ease, fill 0.2s ease, stroke-width 0.2s ease, filter 0.2s ease;
}

.mfg-logo-node:hover .mfg-badge-circle,
.mfg-logo-node.is-hovered .mfg-badge-circle {
  stroke: var(--accent-racing-green);
  stroke-width: 2.5px;
  fill: #ffffff;
  filter: drop-shadow(0 4px 12px rgba(20, 42, 32, 0.22));
}

.mfg-badge-image {
  pointer-events: none;
}

.mfg-badge-monogram {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  fill: var(--text-ink);
  letter-spacing: 0.05em;
  text-anchor: middle;
  pointer-events: none;
}

/* Floating editorial label on logo hover - pure opacity fade, ZERO coordinate shifts */
.mfg-logo-label {
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

.mfg-logo-node:hover .mfg-logo-label,
.mfg-logo-node.is-hovered .mfg-logo-label {
  opacity: 1;
}

.mfg-label-rect {
  fill: #142a20;
}

.mfg-label-text {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 600;
  fill: #fbf9f5;
  letter-spacing: 0.06em;
  text-anchor: middle;
}

.mfg-label-count {
  font-family: var(--font-serif);
  font-size: 8.5px;
  font-style: italic;
  fill: rgba(251, 249, 245, 0.88);
  text-anchor: middle;
}

.mfg-cluster-aura {
  fill: transparent;
  pointer-events: none;
  cursor: default;
}

.map-tooltip {
  position: absolute;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -130%);
  transition: opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  background: var(--bg-card);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 0.35rem 0.75rem;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--text-ink);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  z-index: 50;
  white-space: nowrap;
}

.map-tooltip .tooltip-name {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--text-ink);
}

.map-tooltip .tooltip-iso {
  color: var(--accent-racing-green);
  font-weight: 600;
  margin-left: 0.35rem;
}

/* ==========================================================================
   EXPLORATION — COUNTRY VIEW & TRANSITIONS
   ========================================================================== */

.exploration-view {
  width: 100%;
  max-width: 1200px;
  transition: opacity 0.24s cubic-bezier(0.16, 1, 0.3, 1);
}

.exploration-view.is-hidden {
  display: none;
  opacity: 0;
  pointer-events: none;
}

.exploration-view.is-active {
  display: block;
  opacity: 1;
}

.country-nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-rule);
}

.btn-back-world {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-body);
  background: var(--bg-paper);
  border: 1px solid var(--border-strong);
  border-radius: 2px;
  padding: 0.5rem 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-back-world:hover {
  color: #ffffff;
  border-color: var(--accent-racing-green);
  background: var(--accent-racing-green);
}

.btn-back-world .back-arrow {
  font-size: 0.95rem;
  transition: transform 0.2s ease;
}

.btn-back-world:hover .back-arrow {
  transform: translateX(-2px);
}

.country-nav-meta {
  font-family: var(--font-sans);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.country-view-hero {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}

.country-identity-row {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  flex-wrap: wrap;
}

.country-flag-frame {
  width: 76px;
  height: 50px;
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  border: 1px solid var(--border-rule);
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.country-flag-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.country-flag-fallback {
  font-size: 2rem;
  line-height: 1;
}

.country-heading-group {
  display: flex;
  flex-direction: column;
}

.country-view-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5.5vw, 4.2rem);
  font-weight: 600;
  color: var(--text-ink);
  margin: 0;
  line-height: 1.1;
}

.country-view-subtitle {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--accent-racing-green);
  font-style: italic;
  margin-top: 0.4rem;
}

/* Subtle map locator indication */
.country-locator-card {
  background: var(--bg-cream);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
  margin-bottom: 3rem;
}

.country-locator-info {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.locator-label {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.locator-detail {
  font-size: 0.95rem;
  color: var(--text-body);
}

.country-locator-stage {
  width: 240px;
  height: 110px;
  flex-shrink: 0;
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}

.locator-svg {
  width: 100%;
  height: 100%;
  display: block;
}

.locator-country {
  fill: #ded8cb;
  stroke: #fbf9f5;
  stroke-width: 0.4px;
}

.locator-country.is-target {
  fill: var(--accent-racing-green) !important;
  stroke: #ffffff !important;
  stroke-width: 1px !important;
}

/* ==========================================================================
   EXPLORATION — AUTOMAKERS & MODELS SECTION
   ========================================================================== */

.country-content-space {
  min-height: 400px;
  border-top: 1px solid var(--border-rule);
  padding-top: 2.5rem;
  width: 100%;
}

.country-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.breadcrumb-item {
  cursor: pointer;
  transition: color 0.2s ease;
}

.breadcrumb-item:hover {
  color: var(--accent-racing-green);
}

.breadcrumb-item.is-current {
  color: var(--text-ink);
  font-weight: 600;
  cursor: default;
}

.breadcrumb-sep {
  color: var(--border-strong);
}

.exploration-panel {
  transition: opacity 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

.exploration-panel.is-hidden {
  display: none;
  opacity: 0;
}

.exploration-panel.is-active {
  display: block;
  opacity: 1;
}

.section-head {
  margin-bottom: 2rem;
}

.section-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-racing-green);
  margin-bottom: 0.4rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.2vw, 2.4rem);
  font-weight: 600;
  color: var(--text-ink);
  margin: 0 0 0.5rem 0;
}

.section-desc {
  font-size: 0.95rem;
  color: var(--text-body);
  max-width: 680px;
  margin: 0;
  line-height: 1.6;
}

/* Automakers Grid & Cards */
.automakers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.automaker-card {
  background: var(--bg-card);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 1.4rem 1.35rem;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.automaker-card:hover {
  background: var(--bg-cream);
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}

.automaker-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.2rem;
}

.mfg-monogram {
  width: 38px;
  height: 38px;
  border-radius: 2px;
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
  color: var(--accent-racing-green);
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  text-transform: uppercase;
}

.mfg-logo-frame {
  width: 44px;
  height: 44px;
  border-radius: 2px;
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
}

.mfg-logo-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.mfg-badge-count {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
  padding: 0.2rem 0.5rem;
  border-radius: 2px;
}

.mfg-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-ink);
  margin: 0 0 0.35rem 0;
  line-height: 1.2;
}

.mfg-era {
  font-family: var(--font-sans);
  font-size: 0.74rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  margin: 0;
}

.automaker-card-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1.5rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-rule);
}

.mfg-action-text {
  font-family: var(--font-sans);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-racing-green);
  font-weight: 600;
}

.mfg-chevron {
  color: var(--accent-racing-green);
  transition: transform 0.2s ease;
}

.automaker-card:hover .mfg-chevron {
  transform: translateX(3px);
}

/* Empty State */
.automakers-empty-card {
  background: var(--bg-card);
  border: 1px dashed var(--border-strong);
  border-radius: 2px;
  padding: 3.5rem 2rem;
  text-align: center;
  max-width: 640px;
  margin: 2rem auto;
}

.empty-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  opacity: 0.6;
}

.empty-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-ink);
  margin: 0 0 0.6rem 0;
}

.empty-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0 auto 1.5rem auto;
  max-width: 480px;
}

/* Car Models Grid & Cards */
.models-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.75rem;
  margin-top: 1.75rem;
  min-height: 18rem;
}

.car-model-card {
  background: var(--bg-card);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
  transition: border-color 0.22s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.22s cubic-bezier(0.16, 1, 0.3, 1), transform 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.car-model-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}

.car-image-frame {
  width: 100%;
  aspect-ratio: 16 / 10;
  background: var(--bg-cream);
  position: relative;
  overflow: hidden;
}

.car-specimen-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.car-model-card:hover .car-specimen-img {
  transform: scale(1.02);
}

.car-pills-overlay {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  right: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
}

.car-year-pill {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-ink);
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
  padding: 0.2rem 0.5rem;
  border-radius: 2px;
}

.car-cat-pill {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-racing-green);
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
  padding: 0.2rem 0.5rem;
  border-radius: 2px;
}

.car-details-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.car-model-name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-ink);
  margin: 0 0 0.35rem 0;
}

.car-model-gen {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin: 0 0 0.75rem 0;
}

.car-credit-line {
  margin-top: auto;
  padding-top: 0.65rem;
  border-top: 1px solid var(--border-rule);
  font-family: var(--font-sans);
  font-size: 0.7rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ==========================================================================
   TIMELINE / YEAR EXPLORATION CONTROLS (PROMPT 4)
   ========================================================================== */

.country-timeline-invite {
  background: var(--bg-cream);
  border: 1px solid var(--border-rule);
  border-left: 3px solid var(--accent-racing-green);
  border-radius: 2px;
  padding: 1.25rem 1.6rem;
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.timeline-invite-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.invite-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-racing-green);
}

.invite-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-ink);
  margin: 0;
}

.invite-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin: 0;
}

.btn-explore-timeline {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 1.25rem;
  background: var(--accent-racing-green);
  color: #fbf9f5;
  border: 1px solid var(--accent-racing-green);
  border-radius: 2px;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.btn-explore-timeline:hover {
  background: #1c3d2e;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(20, 42, 32, 0.15);
}

/* Timeline Control Block */
.timeline-control-block {
  background: var(--bg-card);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 1.5rem 1.75rem 1.25rem 1.75rem;
  margin: 1.75rem 0 2.25rem 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
}

.timeline-meta-bar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-rule);
}

.timeline-year-readout {
  display: flex;
  flex-direction: column;
}

.timeline-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-racing-green);
  margin-bottom: 0.2rem;
}

.timeline-year-heading {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
}

.timeline-active-year {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 600;
  color: var(--navy-dark);
  line-height: 1;
  letter-spacing: -0.01em;
}

.timeline-year-status {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.timeline-nav-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-timeline-toggle {
  padding: 0.45rem 0.95rem;
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-body);
  cursor: pointer;
  transition: all 0.18s ease;
}

.btn-timeline-toggle:hover {
  background: var(--bg-cream);
  color: var(--accent-racing-green);
  border-color: var(--border-strong);
}

.btn-timeline-toggle.is-active {
  background: var(--accent-racing-green);
  color: #fbf9f5;
  border-color: var(--accent-racing-green);
}

.timeline-stepper {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.btn-timeline-step {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  color: var(--text-ink);
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.18s ease;
}

.btn-timeline-step:hover:not(:disabled) {
  background: var(--accent-racing-green);
  color: #ffffff;
  border-color: var(--accent-racing-green);
  transform: translateY(-1px);
}

.btn-timeline-step:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* Timeline Track Scroller */
.timeline-rail-scroller {
  width: 100%;
  overflow-x: auto;
  padding: 1.5rem 0.75rem 0.75rem 0.75rem;
  scrollbar-width: thin;
  scrollbar-color: var(--border-rule) transparent;
}

.timeline-rail-scroller::-webkit-scrollbar {
  height: 4px;
}

.timeline-rail-scroller::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 2px;
}

.timeline-rail-inner {
  position: relative;
  min-width: 620px;
  height: 72px;
}

.timeline-rail-axis {
  position: absolute;
  top: 30px;
  left: 20px;
  right: 20px;
  height: 2px;
  background: var(--border-rule);
}

.timeline-decade-labels {
  position: absolute;
  top: 0;
  left: 20px;
  right: 20px;
  height: 24px;
  pointer-events: none;
}

.timeline-decade-marker {
  position: absolute;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}

.timeline-decade-text {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.timeline-decade-tick {
  width: 1px;
  height: 6px;
  background: var(--border-strong);
}

.timeline-year-nodes {
  position: absolute;
  top: 22px;
  left: 20px;
  right: 20px;
  height: 46px;
}

.timeline-year-pip {
  position: absolute;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  background: transparent;
  border: none;
  padding: 0;
  outline: none;
  transition: transform 0.15s ease;
}

.timeline-year-pip:hover {
  transform: translateX(-50%) scale(1.15);
}

.pip-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-paper);
  border: 2px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  position: relative;
}

.pip-dot::after {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-racing-green);
  opacity: 0.7;
}

.pip-label {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 6px;
  letter-spacing: 0.02em;
  transition: color 0.18s ease, font-weight 0.18s ease;
  white-space: nowrap;
}

.timeline-year-pip:hover .pip-dot {
  border-color: var(--accent-racing-green);
  background: var(--bg-cream);
}

.timeline-year-pip:hover .pip-label {
  color: var(--text-ink);
  font-weight: 600;
}

.timeline-year-pip.is-active .pip-dot {
  width: 18px;
  height: 18px;
  background: var(--accent-racing-green);
  border-color: #ffffff;
  box-shadow: 0 0 0 3px rgba(20, 42, 32, 0.25);
}

.timeline-year-pip.is-active .pip-dot::after {
  background: #ffffff;
  opacity: 1;
}

.timeline-year-pip.is-active .pip-label {
  color: var(--accent-racing-green);
  font-weight: 700;
  font-size: 0.78rem;
}

/* Empty Year State in Timeline */
.timeline-empty-card {
  grid-column: 1 / -1;
  background: var(--bg-card);
  border: 1px dashed var(--border-strong);
  border-radius: 2px;
  padding: 3rem 2rem;
  text-align: center;
  max-width: 580px;
  margin: 1.5rem auto;
}

.timeline-empty-tag {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.timeline-empty-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-ink);
  margin: 0 0 0.5rem 0;
}

.timeline-empty-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0 auto 1.5rem auto;
  max-width: 440px;
}

.timeline-empty-nav {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn-jump-year {
  padding: 0.5rem 1rem;
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-racing-green);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-jump-year:hover {
  background: var(--accent-racing-green);
  color: #ffffff;
  border-color: var(--accent-racing-green);
}

/* Scope switch button in models header */
.models-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.btn-scope-switch {
  padding: 0.45rem 0.9rem;
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--accent-racing-green);
  cursor: pointer;
  transition: all 0.18s ease;
}

.btn-scope-switch:hover {
  background: var(--bg-cream);
  border-color: var(--accent-racing-green);
}

/* ==========================================================================
   BODY STYLE SPECIFIC SELECTION & CHARTS
   ========================================================================== */
.bodystyle-selector-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.75rem 0 2.25rem 0;
}

.bs-select-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1rem;
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-body);
  cursor: pointer;
  transition: all 0.2s ease;
}

.bs-select-btn:hover {
  background: var(--bg-cream);
  color: var(--accent-racing-green);
  border-color: var(--border-strong);
}

.bs-select-btn.is-active {
  background: var(--accent-racing-green);
  color: #ffffff;
  border-color: var(--accent-racing-green);
}

.bs-btn-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.bs-badge-count {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  padding: 0.15rem 0.45rem;
  background: var(--bg-cream);
  border-radius: 2px;
  color: var(--text-muted);
  font-weight: 500;
}

.bs-select-btn.is-active .bs-badge-count {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

/* Local Body-Type Dropdown Selectors */
.shape-chart-local-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0.25rem 0 1.25rem 0;
  flex-wrap: wrap;
}

.shape-local-select-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}

.shape-local-select-label {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0;
  white-space: nowrap;
}

.shape-select-box {
  position: relative;
  display: inline-block;
  min-width: 175px;
}

.shape-body-dropdown {
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-color: var(--bg-paper);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 0.42rem 2.2rem 0.42rem 0.75rem;
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-ink);
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
  transition: border-color 0.2s ease, background-color 0.2s ease;
  line-height: 1.3;
}

.shape-body-dropdown:hover {
  border-color: var(--border-strong);
  background-color: var(--bg-cream);
  color: var(--accent-racing-green);
}

.shape-body-dropdown:focus {
  outline: none;
  border-color: var(--accent-racing-green);
  background-color: var(--bg-paper);
  box-shadow: 0 0 0 1px var(--accent-racing-green);
}

.shape-select-box::after {
  content: "▾";
  position: absolute;
  right: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.85rem;
  color: var(--text-muted);
  pointer-events: none;
}

.share-stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.share-stat-card {
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 1.1rem 1.25rem;
}

.share-stat-label {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.share-stat-val {
  font-size: 1.45rem;
  font-weight: 600;
  color: var(--accent-racing-green);
  font-family: var(--font-serif);
  margin: 0.25rem 0 0.2rem 0;
}

.share-stat-sub {
  font-size: 0.78rem;
  color: var(--text-body);
  line-height: 1.4;
}

.gap-note {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-style: italic;
  margin-top: 0.5rem;
}

/* ==========================================================================
   STORY TAB — EDITORIAL READING STYLES
   Pure literary layout: generous whitespace, elegant serif typography
   ========================================================================== */
.story-reading-wrapper {
  max-width: 840px;
  margin: 0 auto;
  padding: 3rem 1.5rem 3.5rem;
}

.story-article-header {
  text-align: center;
  margin-bottom: 2.25rem;
}

.story-kicker {
  font-family: var(--font-sans);
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 1rem;
  font-weight: 600;
}

.story-headline {
  font-family: var(--font-serif);
  font-size: clamp(2.3rem, 5vw, 3.6rem);
  line-height: 1.15;
  color: var(--text-ink);
  margin: 0 0 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.story-deck {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  font-style: italic;
}

.story-byline-rule {
  width: 50px;
  height: 1px;
  background: var(--color-gold);
  margin: 2.25rem auto 0;
}

.story-essay {
  font-family: var(--font-serif);
  font-size: 1.08rem;
  line-height: 1.75;
  color: var(--text-ink);
}

.story-essay p {
  margin-bottom: 1.2rem;
}

.story-dropcap {
  float: left;
  font-size: 3.6rem;
  line-height: 0.8;
  padding-top: 4px;
  padding-right: 12px;
  font-family: var(--font-serif);
  color: var(--accent-racing-green);
  font-weight: 700;
}

.story-emphasis-quote {
  font-family: var(--font-serif);
  font-size: 1.28rem;
  line-height: 1.55;
  color: var(--accent-racing-green);
  font-style: italic;
  margin: 2rem 0;
  padding: 1rem 1.5rem;
  border-left: 2px solid var(--color-gold);
  background: var(--bg-cream);
}

.story-thesis-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin: 2rem 0 2.25rem;
  padding: 1.1rem 1.5rem;
  background: var(--bg-cream);
  border-left: 2px solid var(--color-gold);
}

.story-thesis-item {
  font-family: var(--font-serif);
  font-size: 1.12rem;
  color: var(--text-ink);
  font-style: italic;
}

.story-thesis-item strong {
  font-style: normal;
  color: var(--accent-racing-green);
}

.story-divider {
  border: none;
  border-top: 1px solid var(--border-rule);
  margin: 2.5rem auto;
  width: 100%;
}

.story-chapter {
  margin: 3.5rem 0;
}

.story-chapter-label {
  font-family: var(--font-sans);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-gold);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.story-chapter-title {
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 3.2vw, 2.15rem);
  color: var(--text-ink);
  margin: 0 0 1.35rem;
  font-weight: 600;
  line-height: 1.25;
}

.story-link-wrapper {
  margin: 2rem 0 0;
}

.story-inline-link {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-racing-green);
  text-decoration: none;
  padding-bottom: 0.2rem;
  border-bottom: 1.5px solid var(--accent-racing-green);
  transition: all 0.2s ease;
}

.story-inline-link:hover {
  color: var(--color-gold);
  border-bottom-color: var(--color-gold);
  gap: 0.85rem;
}

.story-inline-link .story-arrow {
  transition: transform 0.2s ease;
}

.story-inline-link:hover .story-arrow {
  transform: translateX(3px);
}

.story-conclusion {
  margin-top: 3.5rem;
}

.story-triptych-nav {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: 2.75rem;
}

.story-triptych-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.4rem;
  background: var(--bg-cream);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  text-decoration: none;
  color: var(--text-ink);
  transition: all 0.2s ease;
}

.story-triptych-link:hover {
  border-color: var(--color-gold);
  background: #fbf7f0;
  transform: translateY(-1px);
}

.story-triptych-link:hover .triptych-arrow {
  color: var(--accent-racing-green);
  transform: translateX(3px);
}

.triptych-num {
  font-family: ui-monospace, monospace;
  font-size: 0.78rem;
  color: var(--color-gold);
  font-weight: 600;
}

.triptych-label {
  font-family: var(--font-sans);
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 1rem;
  flex: 1;
  text-align: left;
}

.triptych-arrow {
  color: var(--text-secondary);
  transition: transform 0.2s ease, color 0.2s ease;
}

/* Gateway Cards at Bottom of Story */
.story-gateway-section {
  margin-top: 2.5rem;
}

.story-gateway-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1.25rem;
}

@media (min-width: 680px) {
  .story-gateway-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.story-gateway-card {
  background: var(--bg-cream);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 1.25rem 1.1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.story-gateway-card:hover {
  border-color: var(--color-gold);
  background: #fbf7f0;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.gateway-dimension-tag {
  display: inline-block;
  font-family: ui-monospace, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold);
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.gateway-dimension-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--text-ink);
  font-weight: 600;
  margin: 0 0 0.45rem;
  letter-spacing: 0.04em;
}

.gateway-dimension-question {
  font-family: var(--font-serif);
  font-size: 0.96rem;
  font-style: italic;
  color: var(--accent-racing-green);
  margin: 0 0 0.85rem;
  line-height: 1.4;
}

.gateway-dimension-desc {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--text-secondary);
  margin: 0 0 1rem;
}

.gateway-explore-btn {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--accent-racing-green);
  color: #ffffff !important;
  border-radius: 2px;
  text-decoration: none;
  font-family: var(--font-sans);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: background-color 0.2s ease;
}

.gateway-explore-btn:hover {
  background: #142c21;
  color: #ffffff !important;
}

.gateway-explore-btn .gateway-arrow {
  transition: transform 0.2s ease;
}

.gateway-explore-btn:hover .gateway-arrow {
  transform: translateX(3px);
}

/* ==========================================================================
   AUTOMOTIVE DATA SPECIFICATIONS & ENGINEERING DOSSIER (PROMPT 5)
   Editorial layout for vehicle specifications, performance, & fleet comparison
   ========================================================================== */

.car-model-card {
  cursor: pointer;
  position: relative;
}

.car-model-card.is-selected {
  border-color: var(--accent-brass) !important;
  box-shadow: 0 0 0 2px var(--accent-brass), 0 6px 20px rgba(150, 116, 68, 0.18) !important;
  transform: translateY(-2px);
}

.car-selected-badge {
  position: absolute;
  bottom: 0.75rem;
  right: 0.75rem;
  background: var(--accent-brass);
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.5rem;
  border-radius: 2px;
  pointer-events: none;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.car-model-card.is-selected .car-selected-badge {
  opacity: 1;
  transform: translateY(0);
}

.automotive-data-stage {
  margin-top: 3.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border-rule);
  transition: opacity 0.25s ease;
}

.spec-stage-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.spec-stage-heading .spec-eyebrow {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-brass);
  margin-bottom: 0.35rem;
}

.spec-stage-heading .spec-title {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-ink);
  margin: 0 0 0.4rem;
}

.spec-stage-heading .spec-subtitle {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
}

.spec-view-controls {
  display: inline-flex;
  background: var(--bg-cream);
  padding: 3px;
  border-radius: 3px;
  border: 1px solid var(--border-rule);
}

.spec-toggle-btn {
  background: transparent;
  border: none;
  padding: 0.45rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-body);
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.spec-toggle-btn.is-active {
  background: #ffffff;
  color: var(--accent-racing-green);
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

/* Specimen Switcher Pills */
.spec-car-switcher {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  padding: 0.85rem 1.25rem;
  background: var(--bg-cream);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
}

.spec-switcher-label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.spec-switcher-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.spec-switcher-pill {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 0.35rem 0.75rem;
  background: #ffffff;
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  color: var(--text-body);
  cursor: pointer;
  transition: all 0.15s ease;
}

.spec-switcher-pill:hover {
  border-color: var(--border-strong);
  color: var(--text-ink);
}

.spec-switcher-pill.is-active {
  background: var(--accent-racing-green);
  color: #ffffff;
  border-color: var(--accent-racing-green);
}

/* Dossier Hero Card */
.spec-hero-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2rem;
  background: #ffffff;
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 1.5rem;
  margin-bottom: 2rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.02);
}

@media (max-width: 768px) {
  .spec-hero-card {
    grid-template-columns: 1fr;
  }
}

.spec-hero-media {
  background: var(--bg-cream);
  border-radius: 2px;
  overflow: hidden;
  aspect-ratio: 16 / 11;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.spec-hero-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.spec-hero-badges {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.spec-pill-badge {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  background: var(--bg-stone);
  color: var(--text-ink);
  border-radius: 2px;
}

.spec-pill-badge.accent {
  background: var(--accent-racing-green);
  color: #ffffff;
}

.spec-hero-name {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text-ink);
  margin: 0 0 0.35rem;
}

.spec-hero-gen {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.spec-hero-note {
  font-family: var(--font-serif);
  font-size: 0.92rem;
  font-style: italic;
  color: var(--text-body);
  margin: 0;
  line-height: 1.5;
}

/* Benchmarks Grid (Horsepower, Weight, MPG) */
.spec-benchmarks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.spec-benchmark-card {
  background: #ffffff;
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  box-shadow: 0 1px 4px rgba(0,0,0,0.02);
}

.spec-benchmark-label {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.spec-benchmark-value-group {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.spec-benchmark-num {
  font-family: var(--font-serif);
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--accent-racing-green);
  line-height: 1;
}

.spec-benchmark-unit {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-body);
  text-transform: uppercase;
}

.spec-benchmark-secondary {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.spec-benchmark-card.is-unavailable .spec-benchmark-num,
.spec-attr-item.is-unavailable .spec-attr-value,
.spec-dim-card.is-unavailable .spec-dim-primary {
  color: var(--text-muted);
  font-style: italic;
  font-weight: 400;
}

.spec-benchmark-card.is-unavailable .spec-benchmark-num {
  font-family: var(--font-sans);
  font-size: 0.9rem;
}

.spec-benchmark-bar-track {
  width: 100%;
  height: 6px;
  background: var(--bg-stone);
  border-radius: 3px;
  overflow: hidden;
  margin-top: auto;
}

.spec-benchmark-bar-fill {
  height: 100%;
  background: var(--accent-racing-green);
  border-radius: 3px;
  transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.spec-benchmark-bar-fill.gold {
  background: var(--accent-brass);
}

/* Dossier Sections: Powertrain & Dimensions */
.spec-dossier-section {
  background: #ffffff;
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 1.5rem 1.75rem;
  margin-bottom: 1.75rem;
}

.spec-section-heading {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-ink);
  margin: 0 0 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-rule);
}

.spec-attributes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem 1.5rem;
}

.spec-attr-item {
  display: flex;
  flex-direction: column;
}

.spec-attr-label {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.spec-attr-value {
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-ink);
  line-height: 1.4;
}

/* Dimensions Grid */
.spec-dimensions-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

@media (max-width: 640px) {
  .spec-dimensions-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.spec-dim-card {
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 1rem;
  text-align: center;
}

.spec-dim-label {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.spec-dim-primary {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-ink);
  line-height: 1.2;
}

.spec-dim-secondary {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

/* Stance Bars */
.spec-stance-bars {
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.spec-stance-row {
  display: grid;
  grid-template-columns: 90px 1fr 110px;
  align-items: center;
  gap: 1rem;
}

.spec-stance-name {
  font-family: var(--font-sans);
  font-size: 0.74rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
}

.spec-stance-track {
  width: 100%;
  height: 8px;
  background: var(--bg-stone);
  border-radius: 4px;
  overflow: hidden;
}

.spec-stance-fill {
  height: 100%;
  background: var(--accent-racing-green);
  border-radius: 4px;
  transition: width 0.5s ease;
}

.spec-stance-num {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-ink);
  text-align: right;
}

/* Fleet Comparison Table */
.spec-comparison-table-wrapper {
  overflow-x: auto;
  background: #ffffff;
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  box-shadow: 0 1px 6px rgba(0,0,0,0.02);
}

.spec-comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  text-align: left;
}

.spec-comparison-table th {
  background: var(--bg-cream);
  padding: 0.85rem 1.25rem;
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-ink);
  border-bottom: 1px solid var(--border-strong);
  white-space: nowrap;
}

.spec-comparison-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-rule);
  color: var(--text-body);
  vertical-align: middle;
}

.spec-comparison-table tr:hover {
  background: var(--bg-paper);
  cursor: pointer;
}

.spec-comparison-table tr.is-selected {
  background: rgba(150, 116, 68, 0.07);
}

.spec-comp-car-cell {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.spec-comp-thumb {
  width: 48px;
  height: 32px;
  object-fit: cover;
  border-radius: 2px;
  background: var(--bg-cream);
}

.spec-comp-name {
  font-weight: 600;
  color: var(--text-ink);
}

.spec-comp-gen {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.spec-comp-bar-cell {
  min-width: 140px;
}

.spec-comp-val {
  font-weight: 600;
  color: var(--text-ink);
  margin-bottom: 0.25rem;
}

.spec-comp-mini-track {
  width: 100%;
  height: 4px;
  background: var(--bg-stone);
  border-radius: 2px;
  overflow: hidden;
}

.spec-comp-mini-fill {
  height: 100%;
  background: var(--accent-racing-green);
  border-radius: 2px;
}

/* Fallback Notice */
.spec-no-data-notice {
  padding: 2.5rem 1.5rem;
  text-align: center;
  background: var(--bg-paper);
  border: 1px dashed var(--border-strong);
  border-radius: 2px;
  margin-top: 1rem;
}

.spec-notice-text {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-style: italic;
  color: var(--text-muted);
  margin: 0;
}

@media (max-width: 700px) {
  .engine-selector-intro {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.25rem;
  }

  .engine-category-selector {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .engine-category-button {
    min-height: 116px;
    padding-left: 0.2rem;
    padding-right: 0.2rem;
  }

  .engine-recording-detail {
    min-height: 310px;
    padding: 1.25rem 0 0.5rem;
  }
}

/* ==========================================================================
   WHY CARS CHANGED — SOURCE-LINKED EDITORIAL CONTEXT
   ========================================================================== */

.why-cars-changed-stage {
  margin-top: 4rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border-rule);
}

.why-stage-header {
  max-width: 52rem;
}

.why-eyebrow,
.why-selection-readout,
.why-topic-button,
.why-entry-date {
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.why-eyebrow {
  display: block;
  color: var(--accent-brass);
  font-size: 0.72rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.why-title {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  font-weight: 500;
  color: var(--text-ink);
  margin: 0 0 0.6rem;
}

.why-lead {
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-body);
  margin: 0;
}

.why-selection-readout {
  display: flex;
  gap: 0.55rem;
  margin-top: 1.5rem;
  color: var(--accent-racing-green);
  font-size: 0.74rem;
  font-weight: 600;
}

.why-selection-separator {
  color: var(--text-muted);
}

.why-topic-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  margin: 1.25rem 0 1.75rem;
  border-bottom: 1px solid var(--border-rule);
}

.why-topic-button {
  padding: 0.6rem 0 0.7rem;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.68rem;
  font-weight: 600;
}

.why-topic-button:hover,
.why-topic-button.is-active {
  color: var(--accent-racing-green);
  border-bottom-color: var(--accent-racing-green);
}

.why-topic-panel {
  max-width: 58rem;
}

.why-entry {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 1.5rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-rule);
}

.why-entry-date {
  color: var(--accent-brass);
  font-size: 0.68rem;
  font-weight: 600;
  padding-top: 0.2rem;
}

.why-entry-copy h4 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-ink);
  margin: 0 0 0.35rem;
}

.why-entry-copy p {
  font-family: var(--font-serif);
  font-size: 0.94rem;
  line-height: 1.55;
  color: var(--text-body);
  margin: 0 0 0.5rem;
}

.why-entry-copy a {
  font-family: var(--font-sans);
  color: var(--accent-racing-green);
  font-size: 0.72rem;
  text-decoration: none;
}

.why-entry-copy a:hover {
  text-decoration: underline;
}

.why-data-unavailable,
.why-inquiry {
  font-family: var(--font-serif);
  color: var(--text-muted);
  font-style: italic;
}

.why-data-unavailable {
  padding: 1rem 0;
  border-top: 1px solid var(--border-rule);
  border-bottom: 1px solid var(--border-rule);
}

.why-inquiry {
  max-width: 58rem;
  margin: 1.5rem 0 0;
  font-size: 0.96rem;
}

@media (max-width: 640px) {
  .why-entry {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
}




/* ==========================================================================
   STAGE D: COUNTRY CONTEXT (BRITISH MOTORING EDITORIAL SYSTEM)
   Restrained, academic, non-dashboard styling for macroeconomic context
   ========================================================================== */

.country-context-stage {
  margin-top: 3.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border-rule);
  transition: opacity 0.3s ease;
}

.country-context-stage.is-hidden {
  display: none !important;
}

.country-context-stage.is-active {
  display: block !important;
}

.context-stage-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  margin-bottom: 1.5rem;
}

.context-stage-heading {
  max-width: 48rem;
}

.context-eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-brass);
  margin-bottom: 0.4rem;
}

.context-title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--text-ink);
  line-height: 1.25;
  margin: 0 0 0.65rem 0;
}

.context-lead {
  font-family: var(--font-serif);
  font-size: 1.02rem;
  line-height: 1.6;
  color: var(--text-body);
  margin: 0;
}

.context-country-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.9rem;
  background-color: var(--bg-cream);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  white-space: nowrap;
}

.context-badge-nation {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-ink);
}

.context-badge-year {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-style: italic;
  color: var(--accent-racing-green);
  border-left: 1px solid var(--border-rule);
  padding-left: 0.5rem;
}

/* Inquiry Box (Academic framing, non-causal) */
.context-inquiry-box {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.85rem 1.25rem;
  background-color: #faf7f2;
  border-left: 3px solid var(--accent-brass);
  border-top: 1px solid var(--border-rule);
  border-right: 1px solid var(--border-rule);
  border-bottom: 1px solid var(--border-rule);
  margin-bottom: 2rem;
}

.context-inquiry-icon {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--accent-brass);
}

.context-inquiry-text {
  font-family: var(--font-serif);
  font-size: 0.94rem;
  font-style: italic;
  color: var(--text-body);
  margin: 0;
  line-height: 1.55;
}

/* Dual Dossier: THIS CAR against ITS SETTING */
.context-dual-dossier {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: stretch;
  gap: 1.5rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-rule);
  padding: 1.5rem;
  margin-bottom: 2rem;
}

@media (max-width: 860px) {
  .context-dual-dossier {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .context-dossier-divider {
    display: none;
  }
}

.context-dossier-card {
  display: flex;
  flex-direction: column;
}

.context-dossier-header {
  border-bottom: 1px solid var(--border-rule);
  padding-bottom: 0.65rem;
  margin-bottom: 0.85rem;
}

.context-dossier-eyebrow {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-brass);
  margin-bottom: 0.25rem;
}

.context-dossier-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-ink);
  margin: 0;
  line-height: 1.25;
}

.context-dossier-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.65rem 1rem;
}

@media (max-width: 520px) {
  .context-dossier-list {
    grid-template-columns: 1fr;
  }
}

.context-dossier-item {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  line-height: 1.4;
  color: var(--text-body);
}

.context-dossier-label {
  display: block;
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.15rem;
}

.context-dossier-val {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--text-ink);
  font-size: 0.95rem;
}

.context-dossier-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 0 0.5rem;
}

.context-dossier-divider::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background-color: var(--border-rule);
}

.context-dossier-connector {
  position: relative;
  background-color: var(--bg-card);
  padding: 0.35rem 0.65rem;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.85rem;
  color: var(--accent-racing-green);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
}

/* Context 4-Indicators Grid */
.context-indicators-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-bottom: 2rem;
}

@media (max-width: 1024px) {
  .context-indicators-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .context-indicators-grid {
    grid-template-columns: 1fr;
  }
  .context-stage-header {
    flex-direction: column;
    gap: 1rem;
  }
}

.context-indicator-card {
  background: var(--bg-card);
  border: 1px solid var(--border-rule);
  padding: 1.35rem 1.25rem;
  display: flex;
  flex-direction: column;
  position: relative;
}

.context-card-section {
  margin-top: 0.65rem;
  padding-top: 0.55rem;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.context-card-section-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

.context-card-section-text {
  font-family: var(--font-sans);
  font-size: 0.76rem;
  line-height: 1.45;
  color: var(--text-body);
  margin: 0;
}

.context-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.context-card-label {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.context-card-code {
  font-family: monospace;
  font-size: 0.62rem;
  color: var(--text-faint);
  letter-spacing: 0.04em;
}

.context-card-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-ink);
  margin: 0 0 0.75rem 0;
  line-height: 1.3;
}

.context-card-value-wrap {
  margin-bottom: 1rem;
  min-height: 4.2rem;
}

.context-card-value {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  font-weight: 600;
  color: var(--text-ink);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.context-card-value.is-unavailable {
  font-size: 0.95rem;
  font-weight: 400;
  font-style: italic;
  color: var(--text-muted);
  line-height: 1.4;
  padding-top: 0.35rem;
}

.context-card-unit {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  line-height: 1.4;
}

/* Sparklines */
.context-sparkline-wrap {
  margin-top: auto;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-rule);
}

.context-sparkline-svg {
  width: 100%;
  height: 32px;
}

.context-sparkline-svg svg {
  display: block;
  width: 100%;
  height: 100%;
}

.context-sparkline-line {
  fill: none;
  stroke: var(--accent-racing-green);
  stroke-width: 1.5;
  vector-effect: non-scaling-stroke;
}

.context-sparkline-point {
  fill: var(--accent-brass);
  stroke: var(--bg-card);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.context-sparkline-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-sans);
  font-size: 0.62rem;
  color: var(--text-faint);
  margin-top: 0.25rem;
}

.context-sparkline-caption {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.58rem;
}

.context-card-desc {
  font-family: var(--font-sans);
  font-size: 0.74rem;
  line-height: 1.45;
  color: var(--text-body);
  margin: 0.85rem 0 0 0;
  padding-top: 0.65rem;
  border-top: 1px dashed var(--border-rule);
}

/* Editorial Connection: WHAT DOES THIS MEAN FOR THE CAR? */
.context-meaning-stage {
  background-color: var(--bg-card);
  border: 1px solid var(--border-rule);
  border-left: 4px solid var(--accent-racing-green);
  padding: 1.5rem 1.75rem;
  margin-top: 2rem;
  margin-bottom: 2rem;
}

.context-meaning-header {
  margin-bottom: 0.75rem;
}

.context-meaning-eyebrow {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-brass);
  margin-bottom: 0.25rem;
}

.context-meaning-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-ink);
  margin: 0;
  line-height: 1.3;
}

.context-meaning-prose {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.68;
  color: var(--text-ink);
  margin: 0 0 1rem 0;
}

.context-meaning-disclaimer {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--border-rule);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  line-height: 1.5;
  color: var(--text-muted);
}

.context-disclaimer-tag {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-racing-green);
  white-space: nowrap;
}

.context-disclaimer-text {
  color: var(--text-muted);
}

/* Sources & Provenance Footer */
.context-provenance-bar {
  margin-top: 1.5rem;
  padding: 0.5rem 0;
}

.context-provenance-details {
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
}

.context-provenance-summary {
  padding: 0.75rem 1.25rem;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
  outline: none;
  transition: color 0.15s ease;
}

.context-provenance-summary:hover {
  color: var(--text-ink);
}

.context-provenance-content {
  padding: 1rem 1.25rem 1.25rem 1.25rem;
  border-top: 1px solid var(--border-rule);
  background: var(--bg-card);
}

.context-provenance-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem 2rem;
}

@media (max-width: 768px) {
  .context-provenance-grid {
    grid-template-columns: 1fr;
  }
}

.context-provenance-item {
  font-family: var(--font-sans);
  font-size: 0.76rem;
  line-height: 1.55;
  color: var(--text-body);
}

.context-provenance-item code {
  font-family: monospace;
  font-size: 0.72rem;
  background-color: var(--bg-cream);
  padding: 0.1rem 0.3rem;
  border-radius: 2px;
  color: var(--text-ink);
}

/* ==========================================================================
   VEHICLE COMPARISON GATEWAY
   Restrained two-column magazine comparison using the existing datasets
   ========================================================================== */

.vehicle-comparison-stage {
  margin-top: 4rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border-rule);
}

.comparison-stage-header {
  max-width: 48rem;
  margin-bottom: 1.75rem;
}

.comparison-eyebrow,
.comparison-column-heading,
.comparison-field,
.comparison-vehicle-kicker,
.comparison-vehicle-year,
.comparison-context-heading {
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.comparison-eyebrow {
  display: block;
  color: var(--accent-brass);
  font-size: 0.72rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.comparison-title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--text-ink);
  margin: 0 0 0.55rem;
}

.comparison-lead {
  font-family: var(--font-serif);
  font-size: 0.98rem;
  line-height: 1.55;
  color: var(--text-body);
  margin: 0;
}

.comparison-selectors,
.comparison-vehicle-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
}

.comparison-selector-column {
  padding: 1.25rem 0;
  border-top: 1px solid var(--border-rule);
  border-bottom: 1px solid var(--border-rule);
}

.comparison-column-heading {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--accent-racing-green);
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.comparison-column-rule {
  height: 1px;
  flex: 1;
  background: var(--border-rule);
}

.comparison-field {
  display: grid;
  grid-template-columns: 8rem 1fr;
  align-items: center;
  gap: 1rem;
  color: var(--text-muted);
  font-size: 0.67rem;
  font-weight: 600;
  margin-top: 0.7rem;
}

.comparison-field select {
  min-width: 0;
  width: 100%;
  padding: 0.45rem 0.5rem;
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  background: var(--bg-paper);
  color: var(--text-ink);
  font-family: var(--font-sans);
  font-size: 0.82rem;
}

.comparison-result {
  margin-top: 2.25rem;
}

.comparison-result.is-hidden {
  display: none;
}

.comparison-vehicle-column {
  min-width: 0;
}

.comparison-vehicle-kicker {
  color: var(--text-muted);
  font-size: 0.67rem;
  font-weight: 600;
  margin-bottom: 0.45rem;
}

.comparison-vehicle-column h4 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-ink);
  margin: 0;
}

.comparison-vehicle-year {
  color: var(--accent-racing-green);
  font-size: 0.78rem;
  font-weight: 600;
  margin: 0.25rem 0 1rem;
}

.comparison-spec-list,
.comparison-context-list {
  border-top: 1px solid var(--border-rule);
}

.comparison-value-row,
.comparison-context-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--border-rule);
  font-family: var(--font-sans);
  font-size: 0.78rem;
}

.comparison-value-row span,
.comparison-context-row span {
  color: var(--text-muted);
}

.comparison-value-row strong,
.comparison-context-row strong {
  color: var(--text-ink);
  font-weight: 500;
  text-align: right;
}

.comparison-context-heading {
  color: var(--accent-brass);
  font-size: 0.68rem;
  font-weight: 600;
  margin: 1.75rem 0 0.65rem;
}

@media (max-width: 700px) {
  .comparison-selectors,
  .comparison-vehicle-columns {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .comparison-field {
    grid-template-columns: 7rem 1fr;
  }
}

/* ==========================================================================
   HOMEPAGE DATA VISUALIZATION: "HOW CARS HAVE CHANGED SHAPE"
   Restrained British Motoring Editorial Scatter Visualization
   ========================================================================== */

.homepage-scatter-section {
  max-width: 1040px;
  margin: 0 auto 4.5rem;
  padding: 0 1.5rem;
}

.scatter-card {
  background: var(--bg-card);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 2.5rem 2.5rem 2rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}

.scatter-header-block {
  margin-bottom: 2rem;
}

.scatter-eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-racing-green);
  margin-bottom: 0.65rem;
}

.scatter-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 600;
  color: var(--text-ink);
  line-height: 1.2;
  margin: 0 0 0.85rem;
}

.scatter-lead {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  color: var(--text-body);
  line-height: 1.65;
  max-width: 760px;
  margin: 0 0 0.5rem;
}

.scatter-subtext {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 760px;
  margin: 0;
}

.scatter-controls-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--border-rule);
  border-bottom: 1px solid var(--border-rule);
  margin-bottom: 1.25rem;
}

.scatter-decade-pills {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
}

.scatter-filter-label {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-right: 0.35rem;
}

.scatter-pill {
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 0.35rem 0.65rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-body);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.15s ease;
}

.scatter-pill:hover {
  background: var(--bg-cream);
  border-color: var(--border-strong);
  color: var(--text-ink);
}

.scatter-pill.is-active {
  background: var(--accent-racing-green);
  border-color: var(--accent-racing-green);
  color: #ffffff;
  font-weight: 600;
}

.pill-indicator {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: inline-block;
}

.scatter-unit-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.unit-label {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.scatter-unit-btn {
  background: var(--bg-paper);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 0.3rem 0.6rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-body);
  cursor: pointer;
  transition: all 0.15s ease;
}

.scatter-unit-btn:hover {
  background: var(--bg-cream);
  border-color: var(--border-strong);
}

.scatter-unit-btn.is-active {
  background: var(--text-ink);
  border-color: var(--text-ink);
  color: #ffffff;
  font-weight: 600;
}

.scatter-stage-wrap {
  position: relative;
  width: 100%;
  background: #faf8f4;
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 1.25rem;
}

#shape-scatter-canvas {
  display: block;
  width: 100%;
  cursor: crosshair;
}

/* Tooltip floating over canvas */
.scatter-tooltip {
  position: absolute;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease;
  background: rgba(30, 34, 37, 0.94);
  color: #ffffff;
  border-radius: 2px;
  padding: 0.75rem 0.95rem;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.22);
  z-index: 20;
  min-width: 190px;
  max-width: 260px;
}

.tip-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.35rem;
}

.tip-pill {
  font-size: 0.65rem;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 2px;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tip-body {
  font-size: 0.7rem;
  color: #b8c1c5;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.tip-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: #ffffff;
  line-height: 1.25;
  margin-bottom: 0.5rem;
}

.tip-specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 0.45rem;
}

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

.tip-label {
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: #9ea7ad;
}

.tip-val {
  font-size: 0.82rem;
  font-weight: 600;
  color: #f7f5ef;
}

.tip-val small {
  font-size: 0.72rem;
  color: #b8c1c5;
  font-weight: 400;
}

.tip-footer {
  margin-top: 0.35rem;
  font-size: 0.68rem;
  color: #9ea7ad;
}

/* Readout Strip below chart */
.scatter-readout-strip {
  background: var(--bg-cream);
  border: 1px solid var(--border-rule);
  border-radius: 2px;
  padding: 0.75rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.84rem;
  color: var(--text-body);
}

.scatter-readout-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.readout-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent-racing-green);
  text-transform: uppercase;
}

.readout-value {
  color: var(--text-ink);
}

.readout-value.highlight-car {
  color: var(--accent-racing-green);
}

/* Editorial Caption Block */
.scatter-caption-block {
  border-top: 1px solid var(--border-rule);
  padding-top: 1.25rem;
  margin-top: 0.5rem;
}

.scatter-caption-text {
  font-family: var(--font-serif);
  font-size: 0.96rem;
  color: var(--text-body);
  line-height: 1.6;
  margin: 0 0 0.5rem;
}

.scatter-transparency-note {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0;
}

@media (max-width: 768px) {
  .scatter-card {
    padding: 1.5rem 1rem 1.25rem;
  }
  .scatter-controls-bar {
    flex-direction: column;
    align-items: flex-start;
  }
  .scatter-readout-strip {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
  }
}