/* ============================================================
   JAGUARENGINES.UK - BRAND STYLESHEET
   Black / grey / silver identity, Cormorant Garamond serif,
   accent #9E1B32 (Jaguar red). Same class structure as BMW and
   Land Rover stylesheets so Research Centre reports are portable.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;500;600;700&family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --jag-red: #9E1B32;
  --jag-red-dark: #6E1322;
  --jag-red-light: #C24A5E;
  --jag-black: #101012;
  --jag-graphite: #2B2B2E;
  --jag-silver: #D9D9DC;
  --jag-grey-200: #E4E4E7;
  --jag-grey-400: #A8A8AD;
  --jag-grey-600: #5C5C61;
  --jag-ink: #16161A;
  --jag-ink-mid: #5C5C61;
  --jag-white: #FFFFFF;
  --jag-bg: #FFFFFF;
  --jag-bg-alt: #F7F6F6;
  --radius-md: 12px;
  --radius-sm: 6px;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0; font-family: var(--font-sans); color: var(--jag-ink);
  background: var(--jag-bg); line-height: 1.65; font-size: 16px;
}
h1, h2, h3, h4, h5 { font-family: var(--font-serif); font-weight: 600; color: var(--jag-black); line-height: 1.2; margin: 0 0 14px; }
h1 { font-size: 44px; } h2 { font-size: 30px; } h3 { font-size: 21px; } h4 { font-size: 17px; }
p { margin: 0 0 16px; }
a { color: var(--jag-red); text-decoration: none; }
a:hover { text-decoration: underline; }
.accent { color: var(--jag-red); }

/* ---------- Nav ---------- */
.site-nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 40px; background: var(--jag-black); position: sticky; top: 0; z-index: 100;
  border-bottom: 3px solid var(--jag-red);
}
.site-nav .brand { color: #fff; font-family: var(--font-serif); font-size: 19px; font-weight: 600; line-height: 1.3; }
.site-nav ul { display: flex; gap: 26px; list-style: none; margin: 0; padding: 0; }
.site-nav ul a, .nav-link { color: var(--jag-grey-200); font-size: 13.5px; font-weight: 500; letter-spacing: 0.4px; text-transform: uppercase; }
.site-nav ul a:hover { color: #fff; text-decoration: none; }
.cta-btn { background: var(--jag-red); color: #fff !important; padding: 10px 20px; border-radius: var(--radius-sm); font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.4px; }
.cta-btn:hover { background: var(--jag-red-dark); text-decoration: none; }

.breadcrumb { padding: 12px 40px; font-size: 12.5px; color: var(--jag-grey-600); background: var(--jag-bg-alt); }
.breadcrumb span { margin: 0 8px; color: var(--jag-grey-400); }

/* ---------- Hero ---------- */
.hero { background: var(--jag-bg); padding: 48px 40px 0; }
.hero-inner { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; max-width: 1180px; margin: 0 auto; align-items: center; }
.eyebrow { color: var(--jag-red); font-size: 12.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; }
.hero .sub { font-size: 17px; color: var(--jag-grey-600); max-width: 620px; }
.hero-image img { width: 100%; height: auto; border-radius: var(--radius-md); }
.tricolour-stripe { display: flex; height: 4px; width: 120px; margin: 14px 0 20px; border-radius: 2px; overflow: hidden; }
.tricolour-stripe span { flex: 1; }
.tricolour-stripe .s1 { background: var(--jag-red); } .tricolour-stripe .s2 { background: var(--jag-black); }
.tricolour-stripe .s3 { background: var(--jag-silver); } .tricolour-stripe .s4 { background: var(--jag-grey-600); }

.stat-strip { background: var(--jag-black); margin-top: 40px; padding: 26px 40px; }
.stat-strip-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; max-width: 1180px; margin: 0 auto; }
.stat-cell { display: flex; align-items: center; gap: 12px; border-left: 1px solid var(--jag-graphite); padding-left: 18px; }
.stat-cell:first-child { border-left: none; padding-left: 0; }
.stat-icon { font-size: 22px; }
.stat-num { font-size: 21px; font-weight: 700; color: #fff; font-family: var(--font-serif); }
.stat-label { font-size: 11.5px; color: var(--jag-grey-400); line-height: 1.3; }

/* ---------- Version badge + Revision Log ---------- */
.version-badge { display: inline-flex; align-items: center; gap: 8px; background: var(--jag-graphite); color: #fff; padding: 6px 14px; border-radius: 20px; font-size: 12.5px; font-weight: 600; letter-spacing: 0.3px; margin-left: 12px; }
.revision-log { max-width: 900px; margin: 20px auto; background: var(--jag-white); border: 1px solid var(--jag-grey-200); border-radius: var(--radius-md); padding: 20px 24px; }
.revision-log-entry { display: flex; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--jag-grey-200); font-size: 13.5px; }
.revision-log-entry:last-child { border-bottom: none; }
.revision-log-entry .rev-date { flex-shrink: 0; width: 90px; font-weight: 700; color: var(--jag-red); }
.revision-log-entry .rev-desc { color: var(--jag-ink-mid); }

/* ---------- Sections ---------- */
.section { padding: 56px 40px; }
.section-alt { background: var(--jag-bg-alt); }
.section-inner { max-width: 900px; margin: 0 auto; opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.section-inner.fade-up { transform: translateY(24px); } .section-inner.fade-down { transform: translateY(-24px); }
.section-inner.fade-left { transform: translateX(24px); } .section-inner.fade-right { transform: translateX(-24px); }
[data-lazy-section].lazy-loaded .section-inner, .section-inner:not([class*="fade"]) { opacity: 1; transform: none; }
.lede { font-size: 17px; color: var(--jag-grey-600); max-width: 720px; }

.toc-bar { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; padding: 16px 40px; background: var(--jag-bg-alt); border-top: 1px solid var(--jag-grey-200); border-bottom: 1px solid var(--jag-grey-200); position: sticky; top: 65px; z-index: 50; }
.toc-label { font-size: 11.5px; font-weight: 700; text-transform: uppercase; color: var(--jag-grey-400); }
.toc-bar ul { display: flex; gap: 4px; flex-wrap: wrap; list-style: none; margin: 0; padding: 0; }
.toc-bar a { font-size: 13px; color: var(--jag-ink-mid); padding: 5px 10px; border-radius: 14px; }
.toc-bar a:hover { background: var(--jag-red); color: #fff; text-decoration: none; }

/* ---------- Tables ---------- */
.data-table { width: 100%; border-collapse: collapse; font-size: 14px; background: var(--jag-white); }
.data-table th { background: var(--jag-black); color: #fff; text-align: left; padding: 11px 14px; font-weight: 600; font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.3px; }
.data-table td { padding: 11px 14px; border-bottom: 1px solid var(--jag-grey-200); color: var(--jag-ink); }
.data-table tr:nth-child(even) { background: var(--jag-bg-alt); }
.rank-table-wrap { overflow-x: auto; max-width: 1000px; margin: 0 auto; }
.rank-badge { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 50%; background: var(--jag-black); color: #fff; font-weight: 700; font-size: 13px; }
.rank-badge.rank-1 { background: var(--jag-red); }
.rank-badge.rank-last { background: var(--jag-grey-400); }

/* ---------- Cards ---------- */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; max-width: 1000px; margin: 24px auto 0; }
.card { background: var(--jag-white); border: 1px solid var(--jag-grey-200); border-radius: var(--radius-md); padding: 22px 20px; box-shadow: 0 2px 12px rgba(16,16,18,0.06); }
.card h4 { margin-top: 0; }
.icon-circle { width: 38px; height: 38px; border-radius: 50%; background: var(--jag-bg-alt); color: var(--jag-red); display: flex; align-items: center; justify-content: center; font-size: 17px; margin-bottom: 10px; }

/* ---------- Exec summary ---------- */
.exec-summary { background: linear-gradient(135deg, #101012 0%, #3A1420 140%); color: #fff; border-radius: var(--radius-md); padding: 32px 36px; margin: 32px auto; max-width: 900px; }
.exec-summary h2 { color: #fff; margin-top: 0; }
.exec-summary p { color: #E6E4E4; font-size: 15.5px; line-height: 1.7; }
.exec-summary ul { color: #E6E4E4; padding-left: 20px; }
.exec-summary li { margin-bottom: 8px; }
.exec-summary a { color: #FFFFFF; text-decoration: underline; text-decoration-color: rgba(255,255,255,0.5); font-weight: 600; }
.exec-summary a:hover { text-decoration-color: #FFFFFF; }

/* ---------- Stat cards / dashboard ---------- */
.stat-card-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; max-width: 1000px; margin: 28px auto; }
.stat-card-big { background: var(--jag-white); border: 1px solid var(--jag-grey-200); border-top: 4px solid var(--jag-red); border-radius: var(--radius-md); padding: 22px 18px; text-align: center; box-shadow: 0 2px 16px rgba(16,16,18,0.08); }
.stat-card-big .num { font-size: 30px; font-weight: 700; color: var(--jag-black); font-family: var(--font-serif); line-height: 1.1; }
.stat-card-big .label { font-size: 12.5px; color: var(--jag-ink-mid); margin-top: 6px; }

/* ---------- Charts ---------- */
.chart-container { background: var(--jag-white); border: 1px solid var(--jag-grey-200); border-radius: var(--radius-md); padding: 24px 20px 12px; max-width: 900px; margin: 28px auto; box-shadow: 0 2px 16px rgba(16,16,18,0.08); }
.chart-container h3 { margin-top: 0; font-size: 16px; color: var(--jag-ink); }
.chart-container canvas { max-height: 380px; }
.chart-caption { font-size: 12.5px; color: var(--jag-ink-mid); margin-top: 10px; text-align: center; }

/* ---------- Quote / methodology ---------- */
.citable-quote { border-left: 4px solid var(--jag-red); background: var(--jag-bg-alt); padding: 18px 24px; max-width: 780px; margin: 28px auto; font-size: 17px; font-weight: 500; font-family: var(--font-serif); color: var(--jag-ink); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.citable-quote .attribution { display: block; font-size: 12.5px; font-weight: 400; font-family: var(--font-sans); color: var(--jag-ink-mid); margin-top: 8px; }

.methodology-box { background: var(--jag-bg-alt); border: 1px solid var(--jag-grey-200); border-radius: var(--radius-md); padding: 24px 28px; max-width: 900px; margin: 28px auto; font-size: 14px; color: var(--jag-ink-mid); line-height: 1.75; }
.methodology-box h4 { color: var(--jag-ink); margin: 0 0 6px; font-size: 14px; }
.methodology-box .source-split { display: flex; gap: 20px; margin-top: 14px; }
.source-split-item { flex: 1; text-align: center; padding: 12px; background: var(--jag-white); border-radius: var(--radius-sm); }
.source-split-item .pct { font-size: 24px; font-weight: 700; color: var(--jag-red); }
.source-split-item .desc { font-size: 12px; color: var(--jag-ink-mid); }

/* ---------- Intelligence Badges ---------- */
.intel-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.intel-badge { display: inline-flex; align-items: center; gap: 5px; padding: 5px 11px; border-radius: 14px; font-size: 12px; font-weight: 600; background: var(--jag-bg-alt); border: 1px solid var(--jag-grey-200); color: var(--jag-ink); }
.intel-badge.badge-safe { background: #E5F1E7; border-color: #B9DDBF; color: #1F6B33; }
.intel-badge.badge-watch { background: #FBF0DA; border-color: #EDD9A8; color: #8A6A15; }
.intel-badge.badge-risk { background: #FBE1E4; border-color: #EFB4BB; color: var(--jag-red-dark); }

/* ---------- Failure Progression Stepper ---------- */
.progression-stepper { max-width: 900px; margin: 28px auto; background: var(--jag-white); border: 1px solid var(--jag-grey-200); border-radius: var(--radius-md); padding: 28px 24px; box-shadow: 0 2px 16px rgba(16,16,18,0.08); }
.stepper-row { display: flex; align-items: stretch; gap: 0; overflow-x: auto; padding-bottom: 8px; }
.stepper-step { flex: 1; min-width: 130px; text-align: center; position: relative; padding: 0 8px; }
.stepper-step:not(:last-child)::after { content: "\2192"; position: absolute; right: -4px; top: 22px; color: var(--jag-red); font-size: 18px; font-weight: 700; }
.stepper-dot { width: 40px; height: 40px; border-radius: 50%; background: var(--jag-black); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; margin: 0 auto 10px; font-size: 15px; }
.stepper-step.step-critical .stepper-dot { background: var(--jag-red-dark); }
.stepper-step.step-warn .stepper-dot { background: var(--jag-red-light); }
.stepper-title { font-size: 12.5px; font-weight: 700; color: var(--jag-ink); margin-bottom: 4px; }
.stepper-desc { font-size: 11.5px; color: var(--jag-ink-mid); line-height: 1.4; }

/* ---------- Engine Timeline ---------- */
.engine-timeline { max-width: 900px; margin: 28px auto; }
.timeline-item { display: flex; gap: 18px; padding: 14px 0; border-left: 3px solid var(--jag-grey-200); padding-left: 22px; margin-left: 10px; position: relative; }
.timeline-item::before { content: ""; position: absolute; left: -9px; top: 18px; width: 15px; height: 15px; border-radius: 50%; background: var(--jag-red); border: 3px solid var(--jag-white); box-shadow: 0 0 0 1px var(--jag-grey-200); }
.timeline-item.timeline-recall::before { background: var(--jag-red-dark); }
.timeline-year { flex-shrink: 0; width: 60px; font-weight: 700; color: var(--jag-red); font-size: 15px; font-family: var(--font-serif); }
.timeline-content h5 { margin: 0 0 3px; font-size: 14px; color: var(--jag-ink); font-family: var(--font-sans); font-weight: 700; }
.timeline-content p { margin: 0; font-size: 13px; color: var(--jag-ink-mid); }

/* ---------- Confidence tag ---------- */
.confidence-tag { display: inline-flex; align-items: center; gap: 5px; padding: 3px 10px; border-radius: 10px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.3px; }
.confidence-high { background: #E5F1E7; color: #1F6B33; }
.confidence-moderate { background: #FBF0DA; color: #8A6A15; }
.confidence-limited { background: #EFEFEF; color: #5A5A5A; }

/* ---------- Citation ID tag (new for Jaguar reports) ---------- */
.citation-id { display: inline-block; font-family: 'Courier New', monospace; font-size: 10.5px; font-weight: 700; color: var(--jag-grey-600); background: var(--jag-bg-alt); border: 1px solid var(--jag-grey-200); padding: 2px 7px; border-radius: 4px; margin-left: 8px; letter-spacing: 0.3px; }

/* ---------- FAQ ---------- */
.faq-item { background: var(--jag-white); border: 1px solid var(--jag-grey-200); border-radius: var(--radius-sm); padding: 16px 20px; margin-bottom: 10px; }
.faq-item summary { font-weight: 600; cursor: pointer; color: var(--jag-ink); }
.faq-item p { margin: 10px 0 0; color: var(--jag-ink-mid); font-size: 14.5px; }

/* ---------- Tag ---------- */
.tag { font-size: 11px; color: var(--jag-grey-600); background: var(--jag-bg-alt); border: 1px solid var(--jag-grey-200); padding: 1px 7px; border-radius: 10px; }

/* ---------- Trust strip ---------- */
.trust-strip { background: var(--jag-black); padding: 40px; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; max-width: 1100px; margin: 0 auto; }
.trust-item { display: flex; gap: 12px; color: #fff; }
.trust-item .dot { color: var(--jag-red); font-weight: 700; font-size: 18px; }
.trust-item strong { display: block; font-size: 14px; margin-bottom: 3px; }
.trust-item p { font-size: 13px; color: var(--jag-grey-400); margin: 0; }

/* ---------- Final CTA ---------- */
.final-cta { text-align: center; padding: 60px 40px; background: linear-gradient(135deg, var(--jag-red) 0%, var(--jag-red-dark) 100%); color: #fff; }
.final-cta h2 { color: #fff; }
.final-cta p { color: #F0DDE1; margin-bottom: 24px; }
.btn-gold, .btn-outline { display: inline-block; padding: 13px 26px; border-radius: var(--radius-sm); font-weight: 600; font-size: 14px; margin: 0 6px; }
.btn-gold { background: #fff; color: var(--jag-red); }
.btn-gold:hover { background: var(--jag-silver); text-decoration: none; }
.btn-outline { border: 2px solid #fff; color: #fff !important; }
.btn-outline:hover { background: rgba(255,255,255,0.1); text-decoration: none; }

/* ---------- Footer ---------- */
footer { background: var(--jag-black); color: var(--jag-grey-400); padding: 30px 40px; text-align: center; font-size: 12.5px; }
footer a { color: var(--jag-grey-200); }

@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; }
  .card-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-card-row { grid-template-columns: repeat(2, 1fr); }
  .methodology-box .source-split { flex-direction: column; }
  .stepper-row { flex-direction: column; }
  .stepper-step:not(:last-child)::after { content: "\2193"; right: auto; left: 50%; top: auto; bottom: -14px; transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .section-inner { transition: none !important; opacity: 1 !important; transform: none !important; }
}