/* ============================================================
   MERCEDES-BENZ — SHARED BRAND STYLESHEET
   Per IBS Master AI Handover 5.1, Part 3.4
   ============================================================ */

:root {
  --mb-black:     #0E0E0F;
  --mb-ink:       #17181A;
  --mb-gold:      #B8935A;
  --mb-gold-light:#D4B685;
  --mb-grey-600:  #6B6E72;
  --mb-grey-300:  #D8D5CE;
  --mb-cream:     #F7F4EE;
  --mb-cream-2:   #EFEBE1;
  --mb-white:     #FFFFFF;

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

  --shadow-card: 0 2px 18px rgba(14,14,15,0.07);
  --radius-sm: 3px;
  --radius-md: 6px;
}

* { 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: 1.75;
  color: var(--mb-ink);
  background: var(--mb-cream);
}

h1, h2, h3, .serif {
  font-family: "Playfair Display", Georgia, "Times New Roman", serif;
  font-weight: 400;
  line-height: 1.2;
  color: var(--mb-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: 0.16em;
  color: var(--mb-gold);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.eyebrow::after { content: ""; width: 40px; height: 1px; background: var(--mb-gold); display: inline-block; }

/* ---------- NAV ---------- */
.site-nav {
  background: var(--mb-black);
  color: #fff;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12.5px;
}
.site-nav .brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: #fff; }
.site-nav .brand .logo-circle {
  width: 34px; height: 34px; border-radius: 50%;
  border: 1.5px solid #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px;
}
.site-nav .brand-text { font-weight: 600; letter-spacing: 0.06em; font-size: 14px; }
.site-nav .brand-text small { display: block; font-weight: 400; color: var(--mb-gold-light); font-size: 10px; letter-spacing: 0.14em; margin-top: 2px; }
.site-nav ul { display: flex; gap: 22px; list-style: none; margin: 0; padding: 0; text-transform: uppercase; letter-spacing: 0.06em; }
.site-nav a.nav-link { text-decoration: none; color: #D8D5CE; }
.site-nav a.nav-link:hover { color: var(--mb-gold-light); }
.site-nav .cta-btn {
  border: 1px solid var(--mb-gold);
  color: var(--mb-gold-light);
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 11.5px;
}
.site-nav .cta-btn:hover { background: var(--mb-gold); color: var(--mb-black); }

.breadcrumb {
  background: var(--mb-cream-2);
  color: var(--mb-grey-600);
  font-size: 12px;
  padding: 10px 32px;
}
.breadcrumb a { color: var(--mb-grey-600); text-decoration: none; }
.breadcrumb a:hover { color: var(--mb-gold); }
.breadcrumb span { margin: 0 6px; }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  background: var(--mb-cream);
  padding: 60px 32px 0;
  overflow: hidden;
}
.hero-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 44px;
  align-items: center;
  padding-bottom: 52px;
}
.hero h1 { font-size: 42px; color: var(--mb-ink); max-width: 600px; font-weight: 400; }
.hero h1 .accent { color: var(--mb-ink); font-style: italic; }
.hero .sub { font-size: 16.5px; color: var(--mb-grey-600); max-width: 540px; margin: 18px 0 26px; font-family: -apple-system, sans-serif; }
.hero-image img { width: 100%; height: 320px; object-fit: cover; border-radius: var(--radius-md); }

.severity-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 15px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 18px;
  background: rgba(184,147,90,0.1);
  border: 1px solid var(--mb-gold);
  color: var(--mb-gold);
  font-family: -apple-system, sans-serif;
}

/* ---------- STAT STRIP ---------- */
.stat-strip { background: var(--mb-white); border-top: 1px solid var(--mb-grey-300); border-bottom: 1px solid var(--mb-grey-300); }
.stat-strip-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 30px 32px;
}
.stat-cell { display: flex; align-items: center; gap: 14px; padding: 0 20px; border-left: 1px solid var(--mb-grey-300); }
.stat-cell:first-child { border-left: none; padding-left: 0; }
.stat-icon {
  width: 42px; height: 42px; flex-shrink: 0; border-radius: 50%;
  background: var(--mb-cream); border: 1px solid var(--mb-gold);
  display: flex; align-items: center; justify-content: center;
  color: var(--mb-gold); font-size: 16px;
}
.stat-num { font-family: "Playfair Display", serif; font-size: 22px; font-weight: 500; color: var(--mb-ink); line-height: 1.2; }
.stat-label { font-size: 12px; color: var(--mb-grey-600); line-height: 1.3; font-family: -apple-system, sans-serif; }

/* ---------- TOC BAR ---------- */
.toc-bar {
  position: sticky; top: 0; z-index: 50;
  background: var(--mb-black); border-bottom: 1px solid #2A2A2C;
  display: flex; align-items: center; gap: 4px;
  padding: 0 32px; height: 54px; overflow-x: auto; white-space: nowrap;
}
.toc-bar .toc-label { color: #8A8D91; font-size: 11.5px; 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: 12.5px; color: #B8BABD; text-decoration: none; white-space: nowrap; }
.toc-bar a:hover, .toc-bar a.active { background: #1E1E20; color: var(--mb-gold-light); }

/* ---------- SECTIONS ---------- */
.section { padding: 60px 32px; }
.section-inner { max-width: 1180px; margin: 0 auto; }
.section-alt { background: var(--mb-white); }
.section h2 { font-size: 29px; margin-bottom: 16px; }
.section .lede { font-size: 16px; color: var(--mb-grey-600); max-width: 760px; margin-bottom: 30px; font-family: -apple-system, sans-serif; }

/* ---------- SCROLL REVEAL — directional fade-in ---------- */
.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(--mb-white);
  border: 1px solid var(--mb-grey-300);
  border-left: 4px solid var(--mb-gold);
  border-radius: var(--radius-md);
  padding: 26px 30px;
  margin: -34px auto 0;
  max-width: 1116px;
  box-shadow: var(--shadow-card);
  position: relative;
  z-index: 5;
  font-family: -apple-system, sans-serif;
}
.summary-box p { margin: 0 0 14px; font-size: 16px; }
.summary-box p:first-child { font-weight: 600; font-size: 17px; }
.summary-box ul { margin: 0 0 14px; padding-left: 20px; }
.summary-box li { margin-bottom: 6px; }
.tag { color: var(--mb-gold); font-weight: 600; font-size: 12.5px; }

/* ---------- RANKED DATA TABLE (Mercedes signature) ---------- */
.data-table-wrap { overflow-x: auto; border-radius: var(--radius-md); box-shadow: var(--shadow-card); border: 1px solid var(--mb-grey-300); }
.data-table { min-width: 640px; background: var(--mb-white); font-family: -apple-system, sans-serif; }
.data-table thead th {
  background: var(--mb-black); color: var(--mb-gold-light);
  text-transform: uppercase; font-size: 11px; letter-spacing: 0.06em;
  padding: 13px 16px; text-align: left;
}
.data-table tbody td { padding: 13px 16px; border-bottom: 1px solid var(--mb-grey-300); font-size: 14.5px; }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: var(--mb-cream); }
.rank-gold { font-family: "Playfair Display", serif; font-size: 20px; font-weight: 600; color: var(--mb-gold); }

.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); }

/* ---------- CARDS ---------- */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  background: var(--mb-white);
  border: 1px solid var(--mb-grey-300);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: var(--shadow-card);
  font-family: -apple-system, sans-serif;
}
.card .icon-circle {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--mb-cream); border: 1px solid var(--mb-gold);
  color: var(--mb-gold); display: flex; align-items: center; justify-content: center;
  margin-bottom: 12px; font-size: 15px;
}
.card h4 { font-family: "Playfair Display", serif; font-size: 16.5px; margin-bottom: 8px; font-weight: 500; }
.card p { font-size: 14.5px; color: var(--mb-grey-600); margin: 0; }

/* ---------- BAR CHART (for data pages) ---------- */
.bar-chart { display: flex; flex-direction: column; gap: 14px; margin: 20px 0; font-family: -apple-system, sans-serif; }
.bar-row { display: grid; grid-template-columns: 220px 1fr 90px; align-items: center; gap: 14px; }
.bar-label { font-size: 13.5px; color: var(--mb-ink); font-weight: 600; }
.bar-track { background: var(--mb-cream-2); border-radius: 3px; height: 20px; overflow: hidden; }
.bar-fill { background: linear-gradient(90deg, var(--mb-gold), var(--mb-gold-light)); height: 100%; }
.bar-value { font-size: 13px; font-weight: 700; color: var(--mb-ink); text-align: right; }

/* ---------- FAQ (gold Q-numeral signature) ---------- */
.faq-item { border-bottom: 1px solid var(--mb-grey-300); padding: 20px 0; }
.faq-item summary { display: flex; gap: 16px; align-items: baseline; cursor: pointer; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item .q-num { font-family: "Playfair Display", serif; color: var(--mb-gold); font-weight: 600; font-size: 15px; flex-shrink: 0; }
.faq-item .q-text { font-family: "Playfair Display", serif; font-weight: 500; font-size: 16.5px; flex: 1; }
.faq-item summary::after { content: "+"; color: var(--mb-gold); font-size: 19px; font-family: -apple-system, sans-serif; }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { margin: 12px 0 0 38px; color: var(--mb-grey-600); font-size: 14.5px; font-family: -apple-system, sans-serif; }

/* ---------- TRUST STRIP ---------- */
.trust-strip { background: var(--mb-cream-2); padding: 36px 32px; }
.trust-grid { max-width: 1180px; margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; font-family: -apple-system, sans-serif; }
.trust-item { display: flex; gap: 12px; align-items: flex-start; }
.trust-item .dot { color: var(--mb-gold); font-size: 16px; }
.trust-item p { margin: 0; font-size: 13px; color: var(--mb-grey-600); }
.trust-item strong { display: block; color: var(--mb-ink); font-size: 14px; margin-bottom: 2px; }

/* ---------- FINAL CTA (black band, gold solid button) ---------- */
.final-cta {
  background: var(--mb-black);
  color: #fff;
  padding: 54px 32px;
  text-align: center;
}
.final-cta h2 { color: #fff; }
.final-cta p { color: #B8BABD; max-width: 540px; margin: 0 auto 26px; font-family: -apple-system, sans-serif; }
.btn-gold-fill {
  display: inline-block;
  background: var(--mb-gold);
  color: var(--mb-black);
  font-weight: 700;
  padding: 15px 30px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 14px;
  font-family: -apple-system, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.btn-outline-gold {
  display: inline-block;
  border: 1px solid var(--mb-gold);
  color: var(--mb-gold-light);
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 13px;
  margin-left: 10px;
  font-family: -apple-system, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

footer { background: var(--mb-black); color: #8A8D91; padding: 30px 32px; text-align: center; font-size: 12.5px; font-family: -apple-system, sans-serif; }
footer a { color: #8A8D91; }

@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); }
  .bar-row { grid-template-columns: 110px 1fr 70px; }
  .summary-box { margin: -24px 16px 0; }
}

/* ============================================================
   RESEARCH CENTRE REPORT COMPONENTS
   Built at full parity with the mature Land Rover/Jaguar version
   of this system (v1.1) — version badges, revision logs,
   intelligence badges, failure progression, confidence tags,
   citation IDs — since Mercedes had none of this yet.
   ============================================================ */

.exec-summary { background: linear-gradient(135deg, #0E0E0F 0%, #4A3820 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: #EFE9DE; font-size: 15.5px; line-height: 1.7; }
.exec-summary ul { color: #EFE9DE; 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-card-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; max-width: 1000px; margin: 28px auto; }
.stat-card-big { background: var(--mb-white); border: 1px solid var(--mb-grey-300); border-top: 4px solid var(--mb-gold); border-radius: var(--radius-md); padding: 22px 18px; text-align: center; box-shadow: var(--shadow-card); }
.stat-card-big .num { font-size: 30px; font-weight: 700; color: var(--mb-black); font-family: "Playfair Display", Georgia, serif; line-height: 1.1; }
.stat-card-big .label { font-size: 12.5px; color: var(--mb-grey-600); margin-top: 6px; }

.chart-container { background: var(--mb-white); border: 1px solid var(--mb-grey-300); border-radius: var(--radius-md); padding: 24px 20px 12px; max-width: 900px; margin: 28px auto; box-shadow: var(--shadow-card); }
.chart-container h3 { margin-top: 0; font-size: 16px; color: var(--mb-ink); }
.chart-container canvas { max-height: 380px; }
.chart-caption { font-size: 12.5px; color: var(--mb-grey-600); margin-top: 10px; text-align: center; }

.citable-quote { border-left: 4px solid var(--mb-gold); background: var(--mb-cream); padding: 18px 24px; max-width: 780px; margin: 28px auto; font-size: 17px; font-weight: 500; font-family: "Playfair Display", Georgia, serif; color: var(--mb-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: -apple-system, sans-serif; color: var(--mb-grey-600); margin-top: 8px; }

.methodology-box { background: var(--mb-cream); border: 1px solid var(--mb-grey-300); border-radius: var(--radius-md); padding: 24px 28px; max-width: 900px; margin: 28px auto; font-size: 14px; color: var(--mb-grey-600); line-height: 1.75; }
.methodology-box h4 { color: var(--mb-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(--mb-white); border-radius: var(--radius-sm); }
.source-split-item .pct { font-size: 24px; font-weight: 700; color: var(--mb-gold); }
.source-split-item .desc { font-size: 12px; color: var(--mb-grey-600); }

.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(--mb-black); color: #fff; font-weight: 700; font-size: 13px; }
.rank-badge.rank-1 { background: var(--mb-gold); color: var(--mb-black); }
.rank-badge.rank-last { background: var(--mb-grey-300); color: var(--mb-ink); }

.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(--mb-gold); } .tricolour-stripe .s2 { background: var(--mb-black); }
.tricolour-stripe .s3 { background: var(--mb-grey-300); } .tricolour-stripe .s4 { background: var(--mb-grey-600); }

/* ---------- Version badge + Revision Log ---------- */
.version-badge { display: inline-flex; align-items: center; gap: 8px; background: var(--mb-black); 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(--mb-white); border: 1px solid var(--mb-grey-300); border-radius: var(--radius-md); padding: 20px 24px; }
.revision-log-entry { display: flex; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--mb-cream-2); 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(--mb-gold); }
.revision-log-entry .rev-desc { color: var(--mb-grey-600); }

/* ---------- 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(--mb-cream); border: 1px solid var(--mb-grey-300); color: var(--mb-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: #96291D; }

/* ---------- Failure Progression Stepper ---------- */
.progression-stepper { max-width: 900px; margin: 28px auto; background: var(--mb-white); border: 1px solid var(--mb-grey-300); border-radius: var(--radius-md); padding: 28px 24px; box-shadow: var(--shadow-card); }
.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(--mb-gold); font-size: 18px; font-weight: 700; }
.stepper-dot { width: 40px; height: 40px; border-radius: 50%; background: var(--mb-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: #96291D; }
.stepper-step.step-warn .stepper-dot { background: var(--mb-gold-light); }
.stepper-title { font-size: 12.5px; font-weight: 700; color: var(--mb-ink); margin-bottom: 4px; }
.stepper-desc { font-size: 11.5px; color: var(--mb-grey-600); 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(--mb-grey-300); 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(--mb-gold); border: 3px solid var(--mb-white); box-shadow: 0 0 0 1px var(--mb-grey-300); }
.timeline-item.timeline-recall::before { background: #96291D; }
.timeline-year { flex-shrink: 0; width: 60px; font-weight: 700; color: var(--mb-gold); font-size: 15px; font-family: "Playfair Display", Georgia, serif; }
.timeline-content h5 { margin: 0 0 3px; font-size: 14px; color: var(--mb-ink); font-family: -apple-system, sans-serif; font-weight: 700; }
.timeline-content p { margin: 0; font-size: 13px; color: var(--mb-grey-600); }

/* ---------- 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 ---------- */
.citation-id { display: inline-block; font-family: 'Courier New', monospace; font-size: 10.5px; font-weight: 700; color: var(--mb-grey-600); background: var(--mb-cream); border: 1px solid var(--mb-grey-300); padding: 2px 7px; border-radius: 4px; margin-left: 8px; letter-spacing: 0.3px; }

@media (max-width: 860px) {
  .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%); }
}