/* Labor Cost Atlas
   Typography: the TBI typeface Aeonik when installed, Manrope otherwise.
   Layout: editorial. No boxes; figures are separated by whitespace and a short rule. */

:root {
  /* Type scale: four sizes only */
  --t-s: 14px; --t-m: 17px; --t-l: 24px; --t-xl: 48px;
  --sans: "Aeonik", "Aeonik Pro", "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  --serif: var(--sans);
  --max: 1440px;
  --ease: cubic-bezier(.2, .7, .1, 1);
}
[data-theme="light"] {
  color-scheme: light;
  --bg: #f7f6f2; --bg-2: #efede7;
  --text: #111110; --text-2: #4d4c48; --text-3: #85847d;
  --line: #e2dfd7; --line-2: #c9c5ba;
  --s1: #2a78d6; --s2: #16a39a; --s3: #a14ec9; --s4: #1c4f9c;
  --eu: #4d4c48; --context: #d6d3ca; --context-hi: #a9a59a;
  --map-empty: #e4e1d9; --hl: rgba(42, 120, 214, .07); --hl-strong: rgba(42, 120, 214, .14);
}
[data-theme="dark"] {
  color-scheme: dark;
  --bg: #111213; --bg-2: #18191b;
  --text: #f0efec; --text-2: #c3c2b7; --text-3: #8d8c85;
  --line: #26282b; --line-2: #3a3d42;
  --s1: #3987e5; --s2: #169a91; --s3: #ae63d9; --s4: #2f63b8;
  --eu: #c3c2b7; --context: #34373c; --context-hi: #5f636b;
  --map-empty: #222427; --hl: rgba(57, 135, 229, .10); --hl-strong: rgba(57, 135, 229, .22);
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--text); font-family: var(--sans); font-size: var(--t-m); line-height: 1.55;
  -webkit-font-smoothing: antialiased; min-height: 100vh; display: flex; flex-direction: column; }
a { color: inherit; }
button, select, input { font-family: inherit; color: inherit; font-size: inherit; }

/* ---- Masthead ---------------------------------------------------------- */
.masthead { padding: 22px 40px 0; max-width: var(--max); width: 100%; margin: 0 auto; }
.masthead-row { display: flex; justify-content: space-between; align-items: baseline; padding-bottom: 14px; border-bottom: 2px solid var(--text); }
.wordmark { font-family: var(--serif); font-size: var(--t-l); letter-spacing: -.01em; text-decoration: none; line-height: 1; display: inline-flex; align-items: center; gap: 12px; }
.brand-mark { width: 24px; height: 24px; border-radius: 50%; flex-shrink: 0;
  background: conic-gradient(from 210deg, var(--s1), var(--s2), var(--s3), var(--s4), var(--s1));
  animation: spin 18s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.theme { display: flex; gap: 14px; font-size: var(--t-s); }
.theme button { background: none; border: none; padding: 2px 0; cursor: pointer; color: var(--text-3); border-bottom: 1.5px solid transparent; }
.theme button.on { color: var(--text); border-bottom-color: var(--text); }
.nav { display: flex; gap: 26px; overflow-x: auto; scrollbar-width: none; padding: 12px 0 0; border-bottom: 1px solid var(--line); }
.nav a { text-decoration: none; color: var(--text-2); font-size: var(--t-m); white-space: nowrap; padding-bottom: 11px; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.nav a:hover { color: var(--text); }
.nav a.active { color: var(--text); border-bottom-color: var(--s1); font-weight: 600; }

/* ---- Context bar ------------------------------------------------------- */
.context { position: sticky; top: 0; z-index: 40; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(8px); }
.context[hidden] { display: none; }
.ctx-inner { max-width: var(--max); margin: 0 auto; padding: 12px 40px; display: flex; flex-wrap: wrap; gap: 14px 36px; align-items: flex-end; border-bottom: 1px solid var(--line); }

.field { display: flex; flex-direction: column; gap: 3px; }
.field-label { font-size: var(--t-m); color: var(--text-3); font-weight: 500; }
.select { appearance: none; background: transparent; border: none; border-bottom: 1px solid var(--line-2); border-radius: 0;
  padding: 4px 22px 5px 0; font-size: var(--t-m); cursor: pointer; max-width: 360px;
  background-image: linear-gradient(45deg, transparent 50%, var(--text-3) 50%), linear-gradient(135deg, var(--text-3) 50%, transparent 50%);
  background-position: calc(100% - 9px) 55%, calc(100% - 4px) 55%; background-size: 5px 5px; background-repeat: no-repeat; }
.select:hover { border-bottom-color: var(--text); }
.select:focus-visible, .seg-opt:focus-visible, .link-btn:focus-visible { outline: 2px solid var(--s1); outline-offset: 2px; }
.select option, .select optgroup { background: var(--bg); color: var(--text); }
.field.compact .field-label { display: none; }
.period-row { display: flex; align-items: flex-end; gap: 10px; }
.period-row .dash { color: var(--text-3); padding-bottom: 6px; font-size: var(--t-s); }
.tags { display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: flex-end; }
.tag { background: none; border: none; padding: 4px 0 5px; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; font-size: var(--t-m); border-bottom: 1px solid var(--line-2); }
.tag .x { color: var(--text-3); margin-left: 2px; }
.tag:hover .x { color: var(--s3); }
.select.add { color: var(--text-3); }

.seg { display: flex; flex-wrap: wrap; gap: 4px 18px; }
.seg-opt { background: none; border: none; padding: 4px 0 5px; cursor: pointer; color: var(--text-2); font-size: var(--t-m); border-bottom: 1.5px dotted var(--line-2); }
.seg-opt:hover { color: var(--text); border-bottom-color: var(--text-3); }
.seg-opt.on { color: var(--text); border-bottom-color: var(--text); }
.link-btn { background: none; border: none; padding: 0; cursor: pointer; color: var(--text-3); font-size: var(--t-s); letter-spacing: .04em; }
.link-btn:hover, .link-btn.on { color: var(--text); text-decoration: underline; text-underline-offset: 3px; }
.quick-links { display: flex; gap: 14px; padding: 5px 0; }
.quick-links .link-btn { font-size: var(--t-m); }

/* ---- Page -------------------------------------------------------------- */
main { flex: 1; width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 40px 64px; }
.view { animation: fade .45s var(--ease) both; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.page-head { padding: 40px 0 22px; max-width: 980px; }
.kicker { font-size: var(--t-m); color: var(--s1); font-weight: 600; margin: 0 0 10px; }
.page-title { font-family: var(--serif); font-weight: 400; font-size: var(--t-xl); line-height: 1.04; letter-spacing: -.015em; margin: 0; }
.page-desc { color: var(--text-2); font-size: var(--t-m); max-width: 78ch; margin: 16px 0 0; }
.math { font-family: var(--serif); white-space: nowrap; }
.view-controls { display: flex; flex-wrap: wrap; gap: 16px 40px; align-items: flex-end; margin: 4px 0 26px; }
.custom { display: flex; flex-wrap: wrap; gap: 16px 28px; }

.picker { display: grid; gap: 8px; margin: 0 0 34px; padding: 16px 18px 18px; background: var(--bg-2); }
.picker-title { font-size: var(--t-m); font-weight: 600; margin: 0 0 6px; }
.picker-title span { font-weight: 400; color: var(--text-3); }
.picker-row { display: grid; grid-template-columns: 120px 1fr; gap: 12px; align-items: baseline; }
.picker-cat { font-size: var(--t-m); color: var(--text-3); font-weight: 500; }
.picker-opts { display: flex; flex-wrap: wrap; gap: 6px; }
.picker-opt { background: var(--bg); border: none; border-radius: 4px; padding: 5px 11px; cursor: pointer; color: var(--text); font-size: var(--t-m);
  box-shadow: 0 1px 0 var(--line-2); transition: background .15s, color .15s, transform .15s; }
.picker-opt:hover { background: var(--hl-strong); transform: translateY(-1px); }
.picker-opt.on { background: var(--s1); color: #fff; box-shadow: none; }

/* ---- Figures ----------------------------------------------------------- */
.grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 44px 48px; margin-bottom: 44px; }
.span-12 { grid-column: span 12; } .span-7 { grid-column: span 7; } .span-6 { grid-column: span 6; }
.span-5 { grid-column: span 5; } .span-4 { grid-column: span 4; }
@media (max-width: 1100px) { .grid > .fig { grid-column: span 12; } }
.fig { margin: 0; min-width: 0; }
.fig-head { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; }
.fig-title { font-size: var(--t-m); font-weight: 600; margin: 0; line-height: 1.35; }
.fig-title::before { content: ""; display: block; width: 28px; height: 3px; background: var(--text); margin-bottom: 10px; }
.fig-no { display: block; font-size: var(--t-s); color: var(--text-3); font-weight: 500; margin-bottom: 2px; }
.fig-sub { font-size: var(--t-m); color: var(--text-2); margin: 4px 0 0; max-width: 90ch; }
.fig-tools { display: flex; gap: 14px; padding-top: 14px; flex-shrink: 0; }
.fig-controls { margin-top: 12px; }
.fig-body { margin-top: 14px; }
.fig-note { font-size: var(--t-m); color: var(--text-3); margin: 10px 0 0; max-width: 100ch; }
.fig-note:empty { display: none; }

.timeline { display: flex; align-items: center; gap: 18px; margin-bottom: 8px; }
.play { background: none; border: 1.5px solid var(--text); border-radius: 0; padding: 4px 12px; font-size: var(--t-s); font-weight: 600; cursor: pointer; }
.play:hover { background: var(--text); color: var(--bg); }
.year-display { font-family: var(--serif); font-size: var(--t-l); line-height: 1; font-variant-numeric: tabular-nums; min-width: 2.4em; }
.range { flex: 1; accent-color: var(--s1); }
.map-wrap { margin: 0 -2px; }
.rank-list { max-height: 700px; overflow-y: auto; scrollbar-width: thin; }

/* ---- Key figures ------------------------------------------------------- */
.kpis { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 0; margin: 0 0 44px; }
.kpi { padding: 4px 22px 4px 0; margin: 0 22px 18px 0; border-right: 1px solid var(--line); }
.kpi dt { font-size: var(--t-m); color: var(--text-2); min-height: 2.5em; }
.kpi-value { font-family: var(--serif); font-size: var(--t-l); line-height: 1.1; margin: 4px 0 0; font-variant-numeric: tabular-nums; }
.kpi-foot { font-size: var(--t-s); color: var(--text-3); margin: 2px 0 0; }
.kpis-spark .kpi { padding-bottom: 8px; }
.kpi.clickable { cursor: pointer; }
.kpi.clickable:hover dt, .kpi.on dt { color: var(--s1); }
.spark { margin-top: 6px; height: 36px; }
.summary .kpis { margin-top: 8px; }

/* ---- Chart elements --------------------------------------------------- */
svg { display: block; overflow: visible; }
.axis text { fill: var(--text-3); font-size: var(--t-s); font-family: var(--sans); font-variant-numeric: tabular-nums; }
.axis line, .axis path { stroke: var(--line-2); }
.grid-line { stroke: var(--line); }
.ref-line { stroke: var(--text-3); stroke-dasharray: 3 3; }
.zero-line { stroke: var(--text-2); }
.crosshair { stroke: var(--text-3); }
.eu-line { stroke: var(--eu); stroke-dasharray: 4 3; stroke-width: 1.2; }
.track { stroke: var(--line-2); }
.row-hl { fill: var(--hl); }
.ci-band { fill: var(--s1); fill-opacity: .12; }
.fit-line { fill: none; stroke: var(--s1); stroke-width: 2; }
.label { fill: var(--text-2); font-size: var(--t-s); }
.label-strong { fill: var(--text); font-size: var(--t-s); font-weight: 600; }
.annot { fill: var(--text-3); font-size: var(--t-s); }
.cell-val { font-size: var(--t-s); font-variant-numeric: tabular-nums; }
.tree-label { fill: #fff; font-size: var(--t-s); pointer-events: none; paint-order: stroke; stroke: rgba(0,0,0,.25); stroke-width: 2px; }
[data-theme="light"] .tree-label { fill: #111; stroke: rgba(255,255,255,.55); }
.country-path { cursor: pointer; transition: opacity .2s; }
.country-path:hover { opacity: .8; }
.country-path.focus { stroke: var(--text) !important; stroke-width: 1.4 !important; }
.empty { color: var(--text-3); padding: 30px 0; }
.loading { color: var(--text-3); padding: 120px 0; }

.legend { display: flex; flex-wrap: wrap; gap: 6px 20px; font-size: var(--t-m); color: var(--text-2); margin-top: 10px; }
.legend-item { display: inline-flex; align-items: center; gap: 6px; }
.swatch { display: inline-block; width: 12px; height: 3px; }
.swatch.dot { width: 8px; height: 8px; border-radius: 50%; }
.tag .swatch { width: 8px; height: 8px; border-radius: 50%; }

.sliders { display: flex; flex-wrap: wrap; gap: 14px 36px; }
.slider { min-width: 240px; }
.slider label { display: flex; justify-content: space-between; gap: 14px; font-size: var(--t-m); color: var(--text-2); }
.slider label b { color: var(--text); font-variant-numeric: tabular-nums; }
.slider .range { width: 100%; }

.tooltip { position: fixed; pointer-events: none; z-index: 200; opacity: 0; background: var(--bg); border: 1px solid var(--line-2);
  padding: 8px 10px; font-size: var(--t-s); min-width: 150px; max-width: 300px; box-shadow: 0 8px 24px -10px rgba(0,0,0,.35); transition: opacity .12s; }
.tt-title { font-weight: 600; margin-bottom: 3px; }
.tt-row { display: flex; justify-content: space-between; gap: 16px; color: var(--text-2); }
.tt-row b { color: var(--text); font-weight: 600; font-variant-numeric: tabular-nums; }

/* ---- Tables ------------------------------------------------------------ */
table.reg, table.data { width: 100%; border-collapse: collapse; font-size: var(--t-s); font-variant-numeric: tabular-nums; }
table.reg { border-top: 2px solid var(--text); border-bottom: 2px solid var(--text); }
table.reg th, table.data th { text-align: left; font-weight: 600; font-size: var(--t-s); color: var(--text-2); padding: 7px 10px 7px 0; border-bottom: 1px solid var(--line-2); }
table.reg td { white-space: nowrap; }
table.reg td:first-child { white-space: normal; }
table.reg td, table.data td { padding: 6px 10px 6px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
table.reg tfoot td { color: var(--text-2); border-bottom: none; padding: 4px 10px 4px 0; }
table.reg tfoot tr:first-child td { border-top: 1px solid var(--line-2); padding-top: 8px; }
.reg-note { font-size: var(--t-m); color: var(--text-3); }
.interp { font-size: var(--t-m); color: var(--text-2); margin: 16px 0 0; max-width: 70ch; }
td.ok { color: var(--s2); } td.fail { color: var(--s3); }
.prose { max-width: 1100px; }
.prose h2 { font-family: var(--serif); font-weight: 400; font-size: var(--t-l); margin: 36px 0 10px; }
.prose p, .prose li { color: var(--text-2); max-width: 90ch; }
code { font-size: var(--t-s); font-family: ui-monospace, "SF Mono", Menlo, monospace; color: var(--text-2); }

.footer a { color: var(--text-2); }
.footer { max-width: var(--max); width: 100%; margin: 0 auto; display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  padding: 16px 40px 26px; color: var(--text-3); font-size: var(--t-s); border-top: 1px solid var(--line); }

@media (max-width: 760px) {
  .masthead, main, .ctx-inner, .footer { padding-left: 18px; padding-right: 18px; }
  .picker-row { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }

/* ---- Case study wizard -------------------------------------------------- */
.wizard { list-style: none; margin: 0; padding: 0; max-width: 900px; display: grid; gap: 34px; }
.step { display: grid; grid-template-columns: 44px 1fr; gap: 16px; }
.step-no { width: 32px; height: 32px; border-radius: 50%; background: var(--s1); color: #fff; display: grid; place-items: center; font-weight: 600; font-size: var(--t-m); }
.step-q { font-size: var(--t-l); font-weight: 600; margin: 3px 0 4px; }
.step-help { color: var(--text-2); font-size: var(--t-m); margin: 0 0 10px; }
.step .field { margin-top: 6px; }
.choice-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 12px; }
.choice-col { display: grid; gap: 8px; margin-top: 8px; }
.choice { background: var(--bg-2); border: none; border-radius: 4px; padding: 9px 14px; cursor: pointer; font-size: var(--t-m); text-align: left; box-shadow: 0 1px 0 var(--line-2); transition: background .15s; }
.choice:hover { background: var(--hl-strong); }
.choice.on { background: var(--s1); color: #fff; box-shadow: none; }
.choice.wide { display: flex; gap: 12px; align-items: flex-start; padding: 12px 14px; }
.choice small { display: block; color: inherit; opacity: .75; font-size: var(--t-m); margin-top: 2px; }
.choice .check { width: 18px; height: 18px; border-radius: 3px; border: 1.5px solid currentColor; display: grid; place-items: center; font-size: var(--t-s); flex-shrink: 0; margin-top: 1px; }
.wizard-go { margin: 40px 0 0 60px; display: flex; gap: 16px; align-items: center; }
.primary { background: var(--s1); color: #fff; border: none; border-radius: 4px; padding: 11px 20px; font-size: var(--t-m); font-weight: 600; cursor: pointer; }
.primary:hover { filter: brightness(1.08); }
.primary[disabled] { opacity: .4; cursor: not-allowed; }

/* ---- Country brief (A4 landscape pages in the atlas design) --------------- */
.deck-bar { display: flex; gap: 22px; align-items: center; padding: 28px 0 22px; flex-wrap: wrap; }
.brief { display: grid; gap: 28px; justify-content: center; padding-bottom: 20px; overflow-x: auto; }
.pg { width: 1123px; height: 794px; background: var(--bg); color: var(--text); padding: 30px 56px 22px; display: flex; flex-direction: column;
  box-shadow: 0 8px 34px -14px rgba(0,0,0,.35); position: relative; overflow: hidden; font-family: var(--sans); }
.pg-head { display: flex; justify-content: space-between; align-items: center; padding-bottom: 10px; border-bottom: 2px solid var(--text); font-size: var(--t-s); color: var(--text-2); }
.pg-brand { display: inline-flex; align-items: center; gap: 9px; font-family: var(--serif); font-size: var(--t-l); color: var(--text); }
.pg-brand .brand-mark { width: 17px; height: 17px; animation: none; }
.pg .kicker { margin: 22px 0 6px; }
.pg-title { font-family: var(--serif); font-weight: 400; font-size: var(--t-l); line-height: 1.15; margin: 0 0 18px; max-width: 960px; }
.pg-body { flex: 1; min-height: 0; }
.pg-cols { display: grid; grid-template-columns: 300px 1fr; gap: 40px; }
.pg-text p { font-size: var(--t-m); color: var(--text-2); line-height: 1.55; margin: 0 0 12px; }
.pg-chart .fig-body { margin-top: 10px; }
.pg .axis text { font-size: var(--t-s); }
.pg .label, .pg .label-strong { font-size: var(--t-s); }
.pg-foot { display: flex; justify-content: space-between; font-size: var(--t-s); color: var(--text-3); border-top: 1px solid var(--line); padding-top: 8px; }
.pg-list { font-size: var(--t-m); line-height: 1.6; color: var(--text-2); max-width: 900px; }
.pg-note { font-size: var(--t-m); color: var(--text-3); margin-top: 12px; }
.pg-cover .pg-body { display: flex; flex-direction: column; }
.pg-cover::after { content: ""; position: absolute; right: -150px; top: 60px; width: 420px; height: 420px; border-radius: 50%;
  background: conic-gradient(from 210deg, #2a78d6, #16a39a, #a14ec9, #1c4f9c, #2a78d6); opacity: .9; }
.cover-title { font-family: var(--serif); font-weight: 400; font-size: var(--t-xl); line-height: 1; margin: 4px 0 10px; }
.cover-sub { font-size: var(--t-m); color: var(--text-2); margin: 0 0 26px; max-width: 640px; }
.pg-cover .kpis { margin: 0 0 18px; max-width: 760px; grid-template-columns: repeat(4, 1fr); }
.pg-cover .kpi-value { font-size: var(--t-l); }
.cover-h { font-size: var(--t-m); font-weight: 600; margin: 4px 0 6px; }
.findings { margin: 0; padding-left: 20px; max-width: 780px; font-size: var(--t-m); color: var(--text-2); line-height: 1.5; }
.findings li { margin-bottom: 6px; }
.findings b { color: var(--text); font-weight: 600; }
.choice.muted { opacity: .45; cursor: not-allowed; }
.choice .check.round { border-radius: 50%; font-size: var(--t-s); }

@media print {
  @page { size: A4 landscape; margin: 0; }
  html, body { background: #fff !important; }
  .masthead, .context, .footer, .deck-bar, .no-print, .tooltip { display: none !important; }
  main { padding: 0 !important; max-width: none !important; }
  .view { animation: none !important; }
  .brief { display: block; padding: 0; gap: 0; overflow: visible; }
  .pg { box-shadow: none; page-break-after: always; break-after: page; margin: 0; }
  * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}

/* ---- Industry browser --------------------------------------------------- */
.ind-tools { display: flex; flex-wrap: wrap; gap: 12px 28px; align-items: center; margin: 4px 0 12px; }
.ind-search { flex: 0 1 380px; background: var(--bg); border: none; border-radius: 4px; padding: 8px 12px; font-size: var(--t-m); box-shadow: 0 1px 0 var(--line-2); }
.ind-search:focus { outline: 2px solid var(--s1); }
.ind-list { max-height: 300px; overflow-y: auto; columns: 3 320px; column-gap: 28px; scrollbar-width: thin; }
.ind-group { break-inside: avoid; margin-bottom: 10px; }
.ind-item { display: block; width: 100%; text-align: left; background: none; border: none; border-radius: 3px; padding: 3px 6px; cursor: pointer; font-size: var(--t-s); color: var(--text-2); line-height: 1.35; }
.ind-item b { color: var(--text); font-weight: 600; margin-right: 4px; }
.ind-item.sec { font-size: var(--t-s); color: var(--text); font-weight: 500; }
.ind-item.l2 { padding-left: 18px; } .ind-item.l3 { padding-left: 32px; font-size: var(--t-s); }
.ind-item:hover { background: var(--hl-strong); color: var(--text); }
.ind-item.on { background: var(--s1); color: #fff; } .ind-item.on b { color: #fff; }
.formulas td:first-child { width: 32%; color: var(--text-2); }
.formula { color: var(--text); padding-top: 4px !important; padding-bottom: 4px !important; }
.formula .katex-display { margin: .35em 0; text-align: left; }
.formula .katex-display > .katex { text-align: left; }
.katex { font-size: 1em; color: var(--text); }
.eq-block { margin: -4px 0 26px; padding: 14px 20px; background: var(--bg-2); max-width: 980px; overflow-x: auto; }
.eq-block .katex-display { margin: 0; text-align: left; }

/* ---- Formulas tab ------------------------------------------------------- */
.f-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 48px; align-items: start; }
.f-toc { position: sticky; top: 110px; display: grid; gap: 6px; font-size: var(--t-m); }
.f-toc a { text-decoration: none; color: var(--text-2); padding: 2px 0; }
.f-toc a:hover { color: var(--s1); }
.f-body { max-width: 900px; }
.f-body h2 { font-family: var(--serif); font-weight: 400; font-size: var(--t-l); margin: 10px 0 8px; padding-top: 8px; }
.f-group { margin-bottom: 26px; scroll-margin-top: 110px; }
.f-item { padding: 18px 0 20px; border-top: 1px solid var(--line); }
.f-item h3 { font-size: var(--t-m); font-weight: 600; margin: 0 0 4px; }
.f-eq { margin: 6px 0 8px; overflow-x: auto; }
.f-eq .katex-display { margin: .4em 0; text-align: left; }
.f-eq .katex-display > .katex { text-align: left; }
.f-item p { color: var(--text-2); font-size: var(--t-m); line-height: 1.6; margin: 6px 0 0; max-width: 80ch; }
.f-read { background: var(--bg-2); padding: 8px 12px; }
.f-read b { color: var(--text); font-weight: 600; }
.f-notation { margin-bottom: 30px; }
.notation { display: grid; grid-template-columns: 200px 1fr; gap: 6px 18px; margin: 10px 0 0; font-size: var(--t-m); color: var(--text-2); }
.notation dt { text-align: right; } .notation dd { margin: 0; }
@media (max-width: 900px) { .f-layout { grid-template-columns: 1fr; } .f-toc { position: static; } }

.group-band { fill: var(--text-3); fill-opacity: .12; }
.tt-range { color: var(--text-3); font-weight: 400; }
.ctx-sub { display: flex; flex-wrap: wrap; gap: 6px 12px; align-items: flex-end; }
.tag.grey { color: var(--text-2); }
.tag.group { font-style: italic; }

/* ---- Industry column browser ---------------------------------------------- */
.browser-top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; }
.browser .ind-search { flex: 0 1 360px; }
.shortcuts { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; margin: 6px 0 12px; }
.shortcuts .field-label { margin-right: 6px; }
.crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 8px; font-size: var(--t-m); margin: 0 0 10px; }
.crumbs .link-btn { font-size: var(--t-m); color: var(--text-2); }
.crumbs .link-btn.on { color: var(--text); font-weight: 600; text-decoration: none; }
.crumbs .sep { color: var(--text-3); }
.cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; background: var(--bg); }
.cols[hidden], .search-results[hidden] { display: none; }
.col { border-right: 1px solid var(--line); min-width: 0; }
.col:last-child { border-right: none; }
.col-head { font-size: var(--t-s); color: var(--text-3); margin: 0; padding: 8px 12px; border-bottom: 1px solid var(--line); }
.col-list { height: 280px; overflow-y: auto; padding: 4px; scrollbar-width: thin; }
.col-item { display: grid; grid-template-columns: auto 1fr auto; gap: 8px; align-items: baseline; width: 100%; text-align: left; background: none; border: none; border-radius: 3px;
  padding: 5px 8px; cursor: pointer; font-size: var(--t-s); color: var(--text-2); line-height: 1.35; }
.col-item b { color: var(--text); font-weight: 600; min-width: 2.6em; }
.col-item i { font-style: normal; color: var(--text-3); }
.col-item:hover { background: var(--hl-strong); color: var(--text); }
.col-item.path { background: var(--hl); color: var(--text); }
.col-item.on { background: var(--s1); color: #fff; } .col-item.on b, .col-item.on i { color: #fff; }
.col-empty { color: var(--text-3); font-size: var(--t-m); padding: 8px; margin: 0; }
.search-results { background: var(--bg); padding: 6px; max-height: 320px; overflow-y: auto; columns: 2 380px; }
.search-results .col-item { break-inside: avoid; }
@media (max-width: 900px) { .cols { grid-template-columns: 1fr; } }
.swatch.band { width: 14px; height: 8px; background: var(--text-3); opacity: .35; }

/* ===== Readability pass: fewer sizes, fewer ornaments ===================== */
body { font-size: var(--t-m); line-height: 1.6; }
.brand-mark { animation: none; }
.page-head .kicker { display: none; }
.page-head { padding: 44px 0 26px; }
.page-desc { font-size: var(--t-m); max-width: 68ch; line-height: 1.6; }
.fig-title { font-size: var(--t-m); font-weight: 600; }
.fig-title::before { display: none; }
.fig-no { display: inline; font-size: var(--t-m); font-weight: 400; color: var(--text-3); margin: 0; }
.fig-sub { font-size: var(--t-m); color: var(--text-2); }
.fig { padding-top: 14px; border-top: 1px solid var(--line); }
.fig-tools { opacity: 0; transition: opacity .15s; padding-top: 0; }
.fig:hover .fig-tools, .fig:focus-within .fig-tools { opacity: 1; }
.grid { gap: 56px 56px; margin-bottom: 56px; }
.kpis { gap: 24px 40px; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); }
.kpi { border-right: none; padding: 0; margin: 0; }
.kpi dt { font-size: var(--t-m); min-height: 0; }
.kpi-value { font-size: var(--t-l); margin-top: 2px; }
.kpi-foot { font-size: var(--t-s); }
.axis text, .label, .label-strong, .annot, .cell-val, .tree-label { font-size: var(--t-s); }
.picker-title, .picker-cat, .picker-opt, .seg-opt, .select, .tag, .nav a, .col-item, .ind-search, .choice { font-size: var(--t-m); }
.field-label { font-size: var(--t-m); }
.legend { font-size: var(--t-m); }

/* Collapsible "Source and method" and definition blocks */
details.more { margin-top: 12px; font-size: var(--t-m); color: var(--text-2); }
details.more > summary { cursor: pointer; color: var(--text-2); list-style: none; display: inline-flex; align-items: center; gap: 6px; }
details.more > summary::-webkit-details-marker { display: none; }
details.more > summary::before { content: "+"; display: inline-grid; place-items: center; width: 16px; height: 16px; border: 1px solid var(--line-2); border-radius: 50%; font-size: var(--t-s); line-height: 1; }
details.more[open] > summary::before { content: "−"; }
details.more > summary:hover { color: var(--text); }
details.more .fig-method, details.more .fig-note, details.more .more-body { margin-top: 10px; padding: 12px 16px; background: var(--bg-2); }
details.more .fig-note:empty { display: none; }
details.more .fig-method:empty { display: none; }
details.more .fig-method p { margin: 6px 0 0; }
details.more .katex-display { margin: .3em 0; text-align: left; }
details.more .katex-display > .katex { text-align: left; }
details.more.block { margin: 0 0 30px; max-width: 980px; }
.fig-note { font-size: var(--t-m); }

/* ===== Home ================================================================ */
.home-hero { padding: 64px 0 40px; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 56px; align-items: end; border-bottom: 1px solid var(--line); }
.home-hero h1 { font-family: var(--serif); font-weight: 400; font-size: var(--t-xl); line-height: 1.08; margin: 0 0 20px; letter-spacing: -.01em; }
.home-hero p { font-size: var(--t-m); color: var(--text-2); margin: 0 0 14px; max-width: 60ch; }
.home-facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px 32px; }
.home-facts div b { display: block; font-family: var(--serif); font-weight: 400; font-size: var(--t-l); color: var(--text); }
.home-facts div span { font-size: var(--t-m); color: var(--text-2); }
.home-section { padding: 44px 0; border-bottom: 1px solid var(--line); }
.home-section > h2 { font-family: var(--serif); font-weight: 400; font-size: var(--t-l); margin: 0 0 18px; }
.home-paths { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 40px; }
.home-path { display: block; text-decoration: none; padding: 16px 0; border-top: 1px solid var(--line); }
.home-path b { display: flex; justify-content: space-between; font-weight: 600; font-size: var(--t-m); }
.home-path b::after { content: "→"; color: var(--s1); transition: transform .2s; }
.home-path:hover b::after { transform: translateX(4px); }
.home-path span { display: block; color: var(--text-2); font-size: var(--t-m); margin-top: 4px; max-width: 42ch; }
.home-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; counter-reset: step; }
.home-steps div { counter-increment: step; font-size: var(--t-m); color: var(--text-2); }
.home-steps div::before { content: counter(step); display: block; font-family: var(--serif); font-size: var(--t-l); color: var(--s1); margin-bottom: 6px; }
.home-steps b { color: var(--text); }
.home-cite { font-size: var(--t-m); color: var(--text-2); max-width: 90ch; }
@media (max-width: 1000px) { .home-hero, .home-paths, .home-steps { grid-template-columns: 1fr; } }


/* ===== Methodology-note register ===========================================
   White page, navy sans headings, numbered sections, thin rules, captions
   below figures. The logo gradient marks anything that can be clicked. */
[data-theme="light"] {
  --bg: #ffffff; --bg-2: #f3f5f8;
  --text: #16181b; --text-2: #43474e; --text-3: #7a7f88;
  --line: #e3e6eb; --line-2: #c8cdd5;
  --context: #d5d9df; --context-hi: #9da3ad; --map-empty: #e6e9ee;
}
:root, [data-theme="light"], [data-theme="dark"] { --navy: var(--s1); }
:root {
  --grad: linear-gradient(90deg, var(--s1), var(--s2) 55%, var(--s3));
  --grad-soft: linear-gradient(90deg, color-mix(in srgb, var(--s1) 16%, transparent), color-mix(in srgb, var(--s2) 16%, transparent), color-mix(in srgb, var(--s3) 16%, transparent));
}

/* Headings */
.page-title, .home-hero h1 { font-family: var(--sans); font-weight: 700; color: var(--navy); letter-spacing: -.02em; line-height: 1.1; }
.home-section > h2, .prose h2, .f-body h2, .pg-title { font-family: var(--sans); font-weight: 700; color: var(--navy); font-size: var(--t-l); letter-spacing: -.01em; }
.masthead-row { border-bottom: 2px solid var(--navy); }
main { counter-reset: sec; }
.home-section > h2::before, .prose h2::before, .f-body h2::before { counter-increment: sec; content: counter(sec); display: inline-block; min-width: 1.6em; }

/* Figures: bold label, short line above, explanation below */
.fig-no { font-weight: 700; color: var(--navy); }
.fig-title { font-weight: 700; }
.fig-text { font-size: var(--t-m); color: var(--text-2); margin: 12px 0 0; max-width: 90ch; }
.fig-text[hidden] { display: none; }

/* Imprint (footer) */
.footer { display: grid; grid-template-columns: auto 1fr; gap: 24px 64px; align-items: start; padding-top: 28px; padding-bottom: 36px; border-top: 2px solid var(--navy); margin-top: 40px; font-size: var(--t-m); color: var(--text-2); }
.footer-brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--serif); font-size: var(--t-l); color: var(--text); line-height: 1; }
.footer-brand .brand-mark { width: 20px; height: 20px; }
.imprint { display: grid; grid-template-columns: repeat(4, minmax(0, max-content)); gap: 8px 48px; margin: 0; }
.imprint div { display: grid; grid-template-columns: auto; gap: 2px; }
.imprint dt { font-weight: 700; color: var(--text); }
.imprint dd { margin: 0; }
.footer a { color: var(--text-2); text-decoration: none; }
@media (max-width: 1000px) { .footer { grid-template-columns: 1fr; } .imprint { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .imprint { grid-template-columns: 1fr; } }

/* Neutral disclosure: a small chevron after the label */
details.more > summary::before { content: none; }
details.more > summary::after { content: ""; width: 6px; height: 6px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
  transform: translateY(-2px) rotate(45deg); transition: transform .15s; margin-left: 4px; }
details.more[open] > summary::after { transform: translateY(1px) rotate(-135deg); }

/* Hover: the logo gradient on text links ... */
.nav a:hover, .link-btn:hover, .seg-opt:hover, .tag:hover, .theme button:hover, .footer a:hover,
details.more > summary:hover, .home-path:hover b, .wordmark:hover, .crumbs .link-btn:hover {
  background-image: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; text-decoration: none; }
details.more > summary:hover::after, .home-path:hover b::after { color: var(--s3); border-color: var(--s3); }
.nav a.active { border-image: var(--grad) 1; }
.select:hover, .seg-opt:hover { border-bottom-color: var(--s2); }
/* ... and a soft gradient wash on filled controls; the selected state takes the full gradient */
.picker-opt:hover, .choice:hover, .ind-item:hover, .col-item:hover { background: var(--grad-soft); color: var(--text); }
.picker-opt.on, .choice.on, .ind-item.on, .col-item.on, .primary { background: var(--grad); color: #fff; }
.primary:hover { filter: saturate(1.15) brightness(1.06); }
.home-imprint { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-bottom: 18px; }
.home-imprint a { color: var(--text-2); text-decoration: none; }
.home-imprint a:hover { background-image: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
@media (max-width: 1000px) { .home-imprint { grid-template-columns: 1fr 1fr; } }
.footer { border-top: none; background: linear-gradient(var(--navy), var(--navy)) no-repeat 40px 0 / calc(100% - 80px) 2px; }
.imprint { grid-template-columns: repeat(4, minmax(0, 1fr)); width: 100%; }
.imprint dd { overflow-wrap: anywhere; }
.home-steps div::before { font-family: var(--sans); font-weight: 700; color: var(--navy); }
@media (max-width: 760px) { .footer { background-position: 18px 0; background-size: calc(100% - 36px) 2px; } }
.imprint { grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1fr); align-items: start; }
.imprint div { align-content: start; }
.imprint dd { overflow-wrap: normal; }
.footer .imprint dd { white-space: normal; }
.home-imprint { grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr) minmax(0, 1fr) minmax(0, 1.2fr); }
@media (max-width: 1000px) { .imprint, .home-imprint { grid-template-columns: 1fr 1fr; } .imprint dd { overflow-wrap: anywhere; } }
/* Selected options: a stronger wash and a gradient edge; the full gradient is kept for the main action */
.picker-opt.on, .choice.on, .ind-item.on, .col-item.on {
  background: linear-gradient(90deg, color-mix(in srgb, var(--s1) 26%, transparent), color-mix(in srgb, var(--s2) 22%, transparent), color-mix(in srgb, var(--s3) 26%, transparent));
  color: var(--text); box-shadow: inset 3px 0 0 var(--s1); }
.ind-item.on b, .col-item.on b { color: var(--text); } .col-item.on i { color: var(--text-2); }
.choice.on small { opacity: .85; }
.step-no { background: var(--navy); }


/* One typeface: Aeonik throughout */

.wordmark, .footer-brand { font-weight: 600; letter-spacing: -.01em; }
.kpi-value, .home-facts div b, .year-display { font-weight: 500; }

/* Selected options take the plain chart blue; the gradient is kept for hover */
.picker-opt.on, .choice.on, .ind-item.on, .col-item.on { background: var(--s1); color: #fff; box-shadow: none; }
.ind-item.on b, .col-item.on b, .col-item.on i { color: #fff; }

/* Numbers set in bold Aeonik */
.kpi-value, .home-facts div b, .year-display, .home-steps div::before { font-weight: 700; }
/* Flags */
img.flag { display: inline-block; vertical-align: baseline; border-radius: 2px; box-shadow: 0 0 0 1px var(--line); }
.page-title img.flag { width: .8em; height: .6em; margin-right: .3em; vertical-align: .02em; }
svg image.flag { outline: 1px solid var(--line); }