/* ============================================================
   LAND ROVER / RANGE ROVER — SHARED BRAND STYLESHEET
   Per IBS JLR Master AI Handover 4.0, Part 3.1
   Loaded once, referenced by every page on landroverengine.uk
   ============================================================ */

:root {
  --lr-green-900: #0A2018;
  --lr-green-800: #0E2C20;
  --lr-green-700: #14382A;
  --lr-green-600: #1D4A36;

  --lr-gold:       #C8A24C;
  --lr-gold-light: #E0C583;
  --lr-silver:     #C9CCC8;

  --lr-cream:   #F6F4EF;
  --lr-cream-2: #EDEAE2;
  --lr-white:   #FFFFFF;

  --lr-ink:      #14201B;
  --lr-ink-mid:  #4A554E;
  --lr-on-dark:  #F4F6F3;
  --lr-on-dark-mid: #A9B5AC;

  --sev-critical: #C0392B;
  --sev-high:     #E07B2C;
  --sev-medium:   #E3B23C;
  --sev-low:      #4E9A51;

  --shadow-card: 0 2px 16px rgba(10,32,24,0.08);
  --radius-sm: 4px;
  --radius-md: 8px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, "Inter", "Söhne", "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--lr-ink);
  background: var(--lr-cream);
}

h1, h2, h3, .serif {
  font-family: "Playfair Display", Georgia, "Times New Roman", serif;
  font-weight: 500;
  line-height: 1.15;
  color: var(--lr-ink);
  margin: 0 0 0.5em;
}

a { color: inherit; }
img { max-width: 100%; display: block; }
table { border-collapse: collapse; width: 100%; }

.eyebrow {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--lr-gold);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.eyebrow::after {
  content: "";
  width: 48px;
  height: 1px;
  background: var(--lr-gold);
  display: inline-block;
}

/* ---------- NAV ---------- */
.site-nav {
  background: var(--lr-green-900);
  color: var(--lr-on-dark);
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  letter-spacing: 0.04em;
}
.site-nav .brand { font-weight: 700; color: var(--lr-on-dark); text-decoration: none; }
.site-nav ul { display: flex; gap: 24px; list-style: none; margin: 0; padding: 0; }
.site-nav a { text-decoration: none; color: var(--lr-on-dark-mid); }
.site-nav a:hover { color: var(--lr-gold); }
.site-nav .cta-btn {
  background: var(--lr-gold);
  color: var(--lr-green-900);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  text-decoration: none;
}

/* ---------- BREADCRUMB ---------- */
.breadcrumb {
  background: var(--lr-green-800);
  color: var(--lr-on-dark-mid);
  font-size: 12px;
  padding: 10px 32px;
}
.breadcrumb a { color: var(--lr-on-dark-mid); text-decoration: none; }
.breadcrumb a:hover { color: var(--lr-gold); }
.breadcrumb span { margin: 0 6px; }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  background: var(--lr-green-900);
  color: var(--lr-on-dark);
  padding: 72px 32px 0;
  overflow: hidden;
}
.hero-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  padding-bottom: 56px;
}
.hero h1 { font-size: 44px; color: var(--lr-on-dark); max-width: 620px; }
.hero h1 .accent { color: var(--lr-gold); }
.hero .sub { font-size: 18px; color: var(--lr-on-dark-mid); max-width: 560px; margin-bottom: 28px; }
.hero-image { border-radius: var(--radius-md); overflow: hidden; box-shadow: 0 8px 40px rgba(0,0,0,0.4); }
.hero-image img { width: 100%; height: 340px; object-fit: cover; }

.severity-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
  background: rgba(200,162,76,0.15);
  border: 1px solid var(--lr-gold);
  color: var(--lr-gold-light);
}

/* ---------- STAT STRIP ---------- */
.stat-strip {
  background: var(--lr-green-800);
  border-top: 1px solid var(--lr-green-600);
}
.stat-strip-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 28px 32px;
}
.stat-cell {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 20px;
  border-left: 1px solid var(--lr-green-600);
}
.stat-cell:first-child { border-left: none; padding-left: 0; }
.stat-icon {
  width: 40px; height: 40px; flex-shrink: 0;
  border-radius: 50%;
  background: var(--lr-green-700);
  border: 1px solid var(--lr-gold);
  display: flex; align-items: center; justify-content: center;
  color: var(--lr-gold);
  font-size: 16px;
}
.stat-num { font-size: 20px; font-weight: 700; color: var(--lr-on-dark); line-height: 1.2; }
.stat-label { font-size: 12px; color: var(--lr-on-dark-mid); line-height: 1.3; }

/* ---------- TOC BAR ---------- */
.toc-bar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--lr-green-900);
  border-bottom: 1px solid var(--lr-green-600);
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 32px;
  height: 56px;
  overflow-x: auto;
  white-space: nowrap;
}
.toc-bar .toc-label {
  color: var(--lr-on-dark-mid);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-right: 16px;
  flex-shrink: 0;
}
.toc-bar ul { list-style: none; display: flex; gap: 4px; margin: 0; padding: 0; }
.toc-bar a {
  display: block;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 13px;
  color: var(--lr-on-dark-mid);
  text-decoration: none;
  white-space: nowrap;
}
.toc-bar a:hover, .toc-bar a.active { background: var(--lr-green-700); color: var(--lr-gold-light); }

/* ---------- SECTIONS ---------- */
.section { padding: 64px 32px; }
.section-inner { max-width: 1180px; margin: 0 auto; }
.section-alt { background: var(--lr-cream-2); }
.section h2 { font-size: 32px; margin-bottom: 18px; }
.section .lede { font-size: 17px; color: var(--lr-ink-mid); max-width: 760px; margin-bottom: 32px; }

/* ---------- SCROLL REVEAL — directional fade-in (v2, Handover 5.2) ---------- */
.fade-up, .fade-down, .fade-left, .fade-right {
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
  will-change: opacity, transform;
}
.fade-up    { transform: translateY(20px); }
.fade-down  { transform: translateY(-20px); }
.fade-left  { transform: translateX(-24px); }
.fade-right { transform: translateX(24px); }
.fade-up.visible, .fade-down.visible, .fade-left.visible, .fade-right.visible {
  opacity: 1;
  transform: translate(0, 0);
}
.stagger > * {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}
.stagger > *.visible { opacity: 1; transform: translateY(0); }

[data-lazy-section] { opacity: 1; }
[data-lazy-section]:not(.lazy-loaded) .fade-up,
[data-lazy-section]:not(.lazy-loaded) .fade-down,
[data-lazy-section]:not(.lazy-loaded) .fade-left,
[data-lazy-section]:not(.lazy-loaded) .fade-right { transition-delay: 0.1s; }

@media (prefers-reduced-motion: reduce) {
  .fade-up, .fade-down, .fade-left, .fade-right, .stagger > * {
    transition: none !important;
    transform: none !important;
    opacity: 1 !important;
  }
}

/* ---------- SUMMARY BOX ---------- */
.summary-box {
  background: var(--lr-white);
  border: 1px solid var(--lr-cream-2);
  border-left: 5px solid var(--lr-gold);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  margin: -36px auto 0;
  max-width: 1116px;
  box-shadow: var(--shadow-card);
  position: relative;
  z-index: 5;
}
.summary-box p { margin: 0 0 14px; font-size: 16.5px; }
.summary-box p:first-child { font-weight: 700; font-size: 18px; }
.summary-box ul { margin: 0 0 14px; padding-left: 20px; }
.summary-box li { margin-bottom: 6px; }
.summary-box .tag { color: var(--lr-green-700); font-weight: 600; font-size: 13px; }

/* ---------- TABLES ---------- */
.data-table-wrap { overflow-x: auto; border-radius: var(--radius-md); box-shadow: var(--shadow-card); }
.data-table { min-width: 640px; background: var(--lr-white); }
.data-table thead th {
  background: var(--lr-green-900);
  color: var(--lr-gold-light);
  text-transform: uppercase;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  padding: 14px 16px;
  text-align: left;
}
.data-table tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--lr-cream-2);
  font-size: 14.5px;
}
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: var(--lr-cream); }

.sev-dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 7px; }
.sev-critical { background: var(--sev-critical); }
.sev-high { background: var(--sev-high); }
.sev-medium { background: var(--sev-medium); }
.sev-low { background: var(--sev-low); }

/* ---------- DECISION MATRIX ---------- */
.matrix-wrap { border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-card); }
.matrix-table { min-width: 720px; }
.matrix-table th, .matrix-table td { text-align: center; padding: 18px 14px; font-size: 14px; }
.matrix-table thead th { background: var(--lr-green-900); color: var(--lr-gold-light); font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; }
.matrix-table tbody th { background: var(--lr-cream-2); text-align: left; font-weight: 700; color: var(--lr-ink); }
.matrix-table td.verdict-safe { background: rgba(78,154,81,0.14); color: #2e6b30; font-weight: 700; }
.matrix-table td.verdict-watch { background: rgba(227,178,60,0.18); color: #8a6a15; font-weight: 700; }
.matrix-table td.verdict-scrap { background: rgba(192,57,43,0.14); color: #96291d; font-weight: 700; }

/* ---------- WORKED EXAMPLE ---------- */
.worked-example {
  background: var(--lr-green-900);
  color: var(--lr-on-dark);
  border-radius: var(--radius-md);
  padding: 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.worked-example .col h3 { color: var(--lr-gold-light); font-size: 18px; }
.worked-example .figure { font-size: 28px; font-weight: 700; color: var(--lr-gold); }
.worked-example .row { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--lr-green-600); font-size: 14.5px; }
.worked-example .row:last-child { border-bottom: none; }
.worked-example .final-verdict { grid-column: 1 / -1; background: var(--lr-green-700); border-radius: var(--radius-sm); padding: 18px 22px; font-size: 15.5px; border-left: 4px solid var(--sev-low); }

/* ---------- CARDS / GRID ---------- */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  background: var(--lr-white);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: var(--shadow-card);
}
.card .icon-circle {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--lr-green-700); border: 1px solid var(--lr-gold);
  color: var(--lr-gold); display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px; font-size: 15px;
}
.card h4 { font-size: 16px; margin-bottom: 8px; font-family: inherit; font-weight: 700; }
.card p { font-size: 14.5px; color: var(--lr-ink-mid); margin: 0; }

/* ---------- FAQ ---------- */
.faq-item { border-bottom: 1px solid var(--lr-cream-2); padding: 20px 0; }
.faq-item summary { font-weight: 700; font-size: 16.5px; cursor: pointer; list-style: none; display: flex; justify-content: space-between; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--lr-gold); font-size: 20px; }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { margin: 12px 0 0; color: var(--lr-ink-mid); font-size: 15px; }

/* ---------- TRUST STRIP ---------- */
.trust-strip {
  background: var(--lr-green-800);
  color: var(--lr-on-dark);
  padding: 40px 32px;
}
.trust-grid { max-width: 1180px; margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.trust-item { display: flex; gap: 12px; align-items: flex-start; }
.trust-item .dot { color: var(--lr-gold); font-size: 18px; }
.trust-item p { margin: 0; font-size: 13.5px; color: var(--lr-on-dark-mid); }
.trust-item strong { display: block; color: var(--lr-on-dark); font-size: 14.5px; margin-bottom: 2px; }

/* ---------- FINAL CTA ---------- */
.final-cta {
  background: linear-gradient(135deg, var(--lr-green-900), var(--lr-green-700));
  color: var(--lr-on-dark);
  padding: 56px 32px;
  text-align: center;
}
.final-cta h2 { color: var(--lr-on-dark); }
.final-cta p { color: var(--lr-on-dark-mid); max-width: 560px; margin: 0 auto 28px; }
.btn-gold {
  display: inline-block;
  background: var(--lr-gold);
  color: var(--lr-green-900);
  font-weight: 700;
  padding: 16px 32px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 15px;
}
.btn-outline {
  display: inline-block;
  border: 1px solid var(--lr-gold);
  color: var(--lr-gold-light);
  font-weight: 600;
  padding: 15px 30px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 14px;
  margin-left: 12px;
}

footer { background: var(--lr-green-900); color: var(--lr-on-dark-mid); padding: 32px; text-align: center; font-size: 13px; }
footer a { color: var(--lr-on-dark-mid); }

/* ============================================================
   EXTENSIONS — added for Model, Fitment, Data, Tool, Technical,
   Case Study page types. Appended, never replaces the above.
   ============================================================ */

.archetype-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--lr-gold); color: var(--lr-green-900);
  padding: 8px 18px; border-radius: 999px; font-weight: 700;
  font-size: 13px; text-transform: uppercase; letter-spacing: 0.04em;
  margin-bottom: 18px;
}

.gen-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.gen-card {
  background: var(--lr-white); border-radius: var(--radius-md);
  padding: 20px; box-shadow: var(--shadow-card); text-align: left;
}
.gen-card .gen-code { font-family: "Playfair Display", serif; font-size: 22px; color: var(--lr-green-700); }
.gen-card .gen-years { font-size: 12.5px; color: var(--lr-ink-mid); margin-bottom: 10px; }
.gen-card .gen-tag {
  display: inline-block; font-size: 11px; font-weight: 700; text-transform: uppercase;
  padding: 3px 10px; border-radius: 999px; letter-spacing: 0.03em;
}
.tag-safe { background: rgba(78,154,81,0.15); color: #2e6b30; }
.tag-watch { background: rgba(227,178,60,0.2); color: #8a6a15; }
.tag-scrap { background: rgba(192,57,43,0.15); color: #96291d; }

.pull-quote {
  border-left: 4px solid var(--lr-gold);
  padding: 8px 0 8px 28px;
  font-family: "Playfair Display", serif;
  font-size: 22px;
  font-style: italic;
  color: var(--lr-green-800);
  max-width: 760px;
  margin: 8px auto;
}

.tool-panel {
  background: var(--lr-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 32px;
  max-width: 620px;
  margin: 0 auto;
}
.tool-input-row { display: flex; gap: 10px; margin-bottom: 14px; }
.tool-input-row input {
  flex: 1; padding: 16px 18px; font-size: 20px; letter-spacing: 0.08em;
  text-transform: uppercase; border: 2px solid var(--lr-green-700);
  border-radius: var(--radius-sm); font-weight: 700; text-align: center;
  font-family: inherit; color: var(--lr-ink); background: var(--lr-cream);
}
.tool-input-row input::placeholder { color: var(--lr-ink-mid); opacity: 0.5; letter-spacing: 0.08em; }
.tool-submit-btn {
  background: var(--lr-green-900); color: var(--lr-on-dark);
  border: none; padding: 0 28px; border-radius: var(--radius-sm);
  font-weight: 700; font-size: 14px; cursor: pointer; text-transform: uppercase;
  letter-spacing: 0.04em;
}
.tool-submit-btn:hover { background: var(--lr-green-700); }
.tool-steps { display: flex; justify-content: space-between; gap: 12px; margin: 24px 0; }
.tool-step { text-align: center; flex: 1; }
.tool-step .num {
  width: 36px; height: 36px; border-radius: 50%; background: var(--lr-green-700);
  color: var(--lr-gold); display: flex; align-items: center; justify-content: center;
  margin: 0 auto 8px; font-weight: 700; border: 1px solid var(--lr-gold);
}
.tool-step p { font-size: 12.5px; color: var(--lr-ink-mid); margin: 0; }
.tool-result {
  display: none; margin-top: 20px; padding: 22px; border-radius: var(--radius-sm);
  background: var(--lr-cream-2); border-left: 4px solid var(--lr-gold);
}
.tool-result.show { display: block; }
.tool-result h4 { font-family: inherit; font-size: 15px; margin-bottom: 10px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--lr-green-800); }
.tool-result .result-row { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--lr-cream); font-size: 14.5px; }
.tool-result .result-row:last-child { border-bottom: none; }
.tool-disclaimer { font-size: 12px; color: var(--lr-ink-mid); margin-top: 16px; }

.bar-chart { display: flex; flex-direction: column; gap: 14px; margin: 20px 0; }
.bar-row { display: grid; grid-template-columns: 220px 1fr 90px; align-items: center; gap: 14px; }
.bar-label { font-size: 13.5px; color: var(--lr-ink); font-weight: 600; }
.bar-track { background: var(--lr-cream-2); border-radius: 4px; height: 22px; overflow: hidden; }
.bar-fill { background: linear-gradient(90deg, var(--lr-green-700), var(--lr-gold)); height: 100%; border-radius: 4px 0 0 4px; }
.bar-value { font-size: 13px; font-weight: 700; color: var(--lr-green-800); text-align: right; }

.donut-wrap { display: flex; align-items: center; gap: 32px; flex-wrap: wrap; }
.donut-legend { display: flex; flex-direction: column; gap: 10px; }
.donut-legend .item { display: flex; align-items: center; gap: 10px; font-size: 14px; }
.donut-legend .swatch { width: 14px; height: 14px; border-radius: 3px; }

.methodology-callout {
  background: var(--lr-cream-2);
  border: 1px dashed var(--lr-silver);
  border-radius: var(--radius-md);
  padding: 22px 26px;
  font-size: 14.5px;
  color: var(--lr-ink-mid);
}
.methodology-callout strong { color: var(--lr-ink); }

.cite-box {
  background: var(--lr-green-900); color: var(--lr-on-dark);
  border-radius: var(--radius-md); padding: 24px; font-size: 14px;
  font-family: monospace; line-height: 1.6;
}
.cite-box .label { color: var(--lr-gold); font-family: inherit; font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; display: block; margin-bottom: 8px; }

@media (max-width: 860px) {
  .gen-grid { grid-template-columns: repeat(2, 1fr); }
  .tool-steps { flex-direction: column; }
  .bar-row { grid-template-columns: 110px 1fr 70px; }
  .donut-wrap { flex-direction: column; }
}

@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; }
  .stat-strip-inner { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .stat-cell { border-left: none; padding-left: 0; }
  .worked-example { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .data-table-wrap, .matrix-wrap { overflow-x: auto; }
  .summary-box { margin: -24px 16px 0; }
}