/* ═══════════════════════════════════════════════════════════
   Dossier FIDES CONSEIL × experts-comptables — thème « FIDES »
   Charbon profond / or patrimonial / Playfair Display + Inter.
   Inspiré de l'identité fidesconseil-patrimoine.fr : aplats sombres,
   filets fins, angles francs, titrage serif à emphase italique dorée,
   boutons or à texte sombre, kickers sans capitales espacées.
   ═══════════════════════════════════════════════════════════ */
:root {
  --paper: #1a1a1a;           /* charbon FIDES */
  --paper-hi: #232320;        /* panneau / survol */
  --ink: #f2efe8;             /* blanc cassé chaud */
  --ink-md: #b8b4a9;
  --ink-lo: #7d7a70;
  --line: #3b3a35;
  --line-lo: #2b2a26;
  --red: #c5a059;             /* SLOT ACCENT → or patrimonial FIDES */
  --red-hi: #9a7a3e;
  --blue: #8fa3b8;            /* ardoise bleutée (série secondaire) */
  --blue-soft: #5c6b78;
  --copper: #8c7a55;
  --green: #7fa889;           /* positif — vert feuille assombri */
  --gold: #c5a059;
  --neg: #cf6b54;             /* négatif — terre cuite, distinct de l'or */
  --serif: "Playfair Display", "Iowan Old Style", Palatino, Georgia, serif;
  --sans: "Inter", "Avenir Next", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: Menlo, Consolas, "SF Mono", "Liberation Mono", "DejaVu Sans Mono", ui-monospace, monospace;
  --shadow: none;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  --railw: 460px;
  background: var(--paper);
  /* réglure verticale très discrète — la trame d'un papier de cabinet */
  background-image: repeating-linear-gradient(90deg,
    transparent 0, transparent 95px, rgba(242,239,232,.028) 95px, rgba(242,239,232,.035) 96px);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.72;
  letter-spacing: 0.001em;
  -webkit-font-smoothing: antialiased;
}
/* filet or vertical, marge gauche (bureau uniquement) */
@media (min-width: 1180px) {
  body::before {
    content: ""; position: fixed; top: 0; bottom: 0; left: 26px; width: 1px;
    background: var(--gold); opacity: .38; z-index: 50; pointer-events: none;
  }
}
::selection { background: rgba(197,160,89,.32); color: #141412; }
b, strong { font-weight: 600; }
em { font-style: normal; color: var(--gold); font-weight: 600; }
a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--gold); text-underline-offset: 3px; }
a:hover { color: var(--gold); }

/* ── Era progress rail (top) ── */
#era-rail {
  position: fixed; top: 0; left: 0; right: 0; z-index: 90;
  display: flex; align-items: center; gap: 14px;
  padding: 10px 22px;
  background: rgba(20,20,20,.96);
  border-bottom: 1px solid var(--line);
  pointer-events: none;
  visibility: hidden; transform: translateY(-110%);
  transition: transform .4s ease, visibility 0s linear .4s;
}
#era-rail.on { visibility: visible; transform: none; transition: transform .4s ease; }
.rail-year {
  font-family: var(--mono); font-weight: 700; font-size: 14px;
  border: 1px solid var(--gold); border-radius: 0; color: var(--gold);
  padding: 2px 10px; background: transparent;
  font-variant-numeric: tabular-nums;
}
.rail-track { flex: 1; height: 18px; position: relative; }
.rail-track .seg {
  position: absolute; top: 8px; height: 2px; background: var(--line);
  pointer-events: auto; cursor: pointer;
}
.rail-track .seg.active { background: var(--gold); height: 4px; top: 7px; }
.rail-track .seg .seg-label {
  position: absolute; top: -14px; left: 0; font-family: var(--mono);
  font-size: 9px; color: var(--ink-lo); white-space: nowrap; letter-spacing: .04em;
}
.rail-track .seg.active .seg-label { color: var(--gold); font-weight: 700; }

/* ── Cover ── */
#cover { position: relative; min-height: 100vh; overflow: hidden; }
#cover-canvas, #cover-canvas-x, #cover-canvas-w { position: absolute; inset: 0; width: 100%; height: 100%; }

/* cover artwork variant switch */
.cover-mode { margin-top: 22px; display: flex; gap: 8px; align-items: center; }
.cover-mode::before {
  content: "COVER"; font-family: var(--mono); font-size: 9px;
  letter-spacing: .22em; color: var(--ink-lo); margin-right: 4px;
}
.cover-mode button {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .05em;
  color: var(--ink-md); background: rgba(26,26,26,.55);
  border: 1px solid var(--line); border-radius: 0; padding: 4px 13px;
  cursor: pointer; transition: border-color .15s, color .15s;
}
.cover-mode button.on { border-color: var(--gold); color: var(--gold); }
.cover-mode button:hover { border-color: var(--ink); color: var(--ink); }
.cover-inner {
  position: relative; z-index: 2; max-width: 1120px;
  margin: 0 auto; padding: 11vh 24px 60px;
}
.cover-kicker {
  font-family: var(--sans); font-weight: 600; font-size: 11px; letter-spacing: .32em;
  color: var(--gold); margin-bottom: 26px; text-transform: uppercase;
}
.cover-title {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(42px, 5.6vw, 72px);
  line-height: 1.08; letter-spacing: -0.03em;
  max-width: 720px;
}
.cover-title .cover-num { color: var(--gold); font-style: italic; }
.cover-sub {
  font-family: var(--serif); font-size: clamp(17px, 1.9vw, 22px); font-weight: 600;
  color: var(--ink); margin: 20px 0 0; letter-spacing: -0.01em; max-width: 640px;
}
.cover-lede { max-width: 620px; font-size: 16px; color: var(--ink-md); line-height: 1.78; margin-top: 26px; }
.chain {
  font-family: var(--mono); font-size: 13.5px; font-weight: 700; color: var(--ink);
  background: var(--paper-hi); border: 1px solid var(--line); border-radius: 0;
  padding: 1px 8px; white-space: nowrap;
}
.cover-chips { display: flex; flex-wrap: wrap; gap: 10px; margin: 30px 0 26px; }
.chip {
  font-family: var(--sans); font-size: 11.5px; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--ink); background: transparent;
  border: 1px solid rgba(242,239,232,.4); border-radius: 0; padding: 10px 20px; cursor: pointer;
  transition: all .18s;
}
.chip:hover { background: var(--gold); border-color: var(--gold); color: #1a1a1a; }
.cover-anchor { font-size: 12.5px; color: var(--ink-lo); font-family: var(--mono); letter-spacing: .01em; display: block; max-width: 660px; }
.scroll-hint {
  margin-top: 7vh; font-family: var(--mono); font-size: 11px; color: var(--ink-lo);
  display: flex; flex-direction: column; align-items: flex-start; gap: 8px; letter-spacing: .3em;
  width: max-content;
}
.scroll-hint span { margin-left: 22px; }
.scroll-hint span {
  display: block; width: 1px; height: 44px;
  background: linear-gradient(var(--gold), transparent);
}

/* ── Bandeau défilant · devise du cabinet ── */
.marquee {
  overflow: hidden; white-space: nowrap;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 13px 0; user-select: none;
}
.marquee-track {
  display: inline-block; will-change: transform;
  animation: marquee 46s linear infinite;
  font-family: var(--serif); font-style: italic; font-size: 14px;
  letter-spacing: .34em; color: var(--gold); text-transform: uppercase;
}
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee-track { animation: none; } }

/* ── Section band ── */
.band { padding: 76px 0 68px; border-top: 1px solid var(--line-lo); }
.prose {
  max-width: 692px;
  margin: 0 auto;
  padding: 0 28px;
}
.wide {
  /* symmetric figure bleed around the 692px prose column (V3 pattern) */
  max-width: 800px;
  margin: 36px auto;
  padding: 0 28px;
}
.wide.xl { max-width: 924px; }
.sec-no {
  font-family: var(--sans); font-weight: 600; font-size: 10.5px; letter-spacing: .3em;
  color: var(--gold); margin-bottom: 16px; text-transform: uppercase;
  display: flex; align-items: center; gap: 12px;
}
.sec-no::before {
  content: ""; flex: 0 0 26px; height: 1px;
  background: var(--gold);
}
h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(29px, 3.3vw, 42px); line-height: 1.22; letter-spacing: -0.02em; margin-bottom: 22px; max-width: 20em; }
h3 { font-family: var(--serif); font-size: 22px; font-weight: 600; line-height: 1.35; letter-spacing: -0.01em; margin-bottom: 14px; }
.sub-h { margin-top: 26px; }
.prose p { margin-bottom: 18px; }
.muted { color: var(--ink-lo); font-size: 14px; }
.hint-click { font-size: 13px; color: var(--ink); border-bottom: 1px dashed var(--gold); white-space: nowrap; cursor: pointer; }
.era-tag {
  display: block; font-family: var(--sans); font-weight: 600; font-size: 10.5px; letter-spacing: .22em;
  color: var(--gold); margin-bottom: 8px; text-transform: uppercase;
  padding-left: 14px; position: relative;
}
.era-tag::before {
  content: ""; position: absolute; left: 0; top: .62em;
  width: 6px; height: 6px; background: var(--gold);
}
.laws { list-style: none; margin: 8px 0 16px; }
.laws li {
  padding: 11px 0; border-bottom: 1px solid var(--line-lo);
  margin: 0;
}
.laws li:first-child { border-top: 1px solid var(--line-lo); }

/* ── Note d'analyse · filets éditoriaux, sans carte ── */
.note-box {
  border: 0; background: transparent; box-shadow: none;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line-lo);
  margin: 30px 0 26px;
  padding: 14px 0 16px;
  font-size: 13.5px; color: var(--ink-md); line-height: 1.8;
}
.note-box::before {
  content: "Note de lecture";
  display: block;
  font-family: var(--sans); font-weight: 600; font-size: 9.5px;
  letter-spacing: .26em; text-transform: uppercase;
  color: var(--ink-lo); margin-bottom: 8px;
}
.note-box p { margin-bottom: 10px; }
.note-box p:last-child { margin-bottom: 0; }
.degrade-note {
  font-family: var(--mono); font-size: 12px; color: var(--neg);
  border: 1px dashed var(--neg); border-radius: 0; padding: 8px 12px; background: rgba(207,107,84,.08);
}

/* ── Rail cross-reference note (hidden when the rail is hidden) ── */
.rail-note {
  font-family: var(--mono); font-size: 11px; color: var(--ink-lo);
  line-height: 1.7; letter-spacing: .02em;
  margin: 22px 0 18px; padding-left: 16px; position: relative;
}
.rail-note::before { content: "→"; position: absolute; left: 0; color: var(--gold); }
@media (max-width: 1180px) { .rail-note { display: none; } }

/* Chart containers */
.chart-frame {
  background: transparent; border: 0; box-shadow: none;
  padding: 8px 0 4px; position: relative;
}
.chart-title { font-family: var(--serif); font-weight: 600; font-size: 19px; letter-spacing: -0.01em; margin: 0 0 3px 0; }
.chart-sub { font-family: var(--mono); font-size: 10.5px; color: var(--ink-lo); margin: 0 0 14px 0; letter-spacing: .04em; padding-bottom: 8px; border-bottom: 1px solid var(--line-lo); }
.chart-src { font-family: var(--mono); font-size: 10px; color: var(--ink-lo); margin: 10px 0 4px; }
.chart-frame svg text { font-family: var(--mono); }

/* metric strip — filets fins, angles francs */
.metric-strip {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1px; background: var(--line-lo); border: 1px solid var(--line); border-radius: 0; overflow: hidden;
  margin-top: 14px; box-shadow: none;
}
.metric-strip .m {
  background: var(--paper); padding: 14px 16px; cursor: pointer; transition: background .15s;
}
.metric-strip .m:hover { background: var(--paper-hi); }
.metric-strip .m .v { font-family: var(--mono); font-size: 20px; font-weight: 700; color: var(--gold); font-variant-numeric: tabular-nums; }
.metric-strip .m .k { font-size: 12px; color: var(--ink-md); margin-top: 3px; line-height: 1.5; }

/* source button ◆ */
.src {
  border: 0; background: none; color: var(--gold); cursor: pointer;
  font-size: 10px; vertical-align: super; padding: 0 2px; font-family: var(--mono);
}
.src:hover { color: var(--ink); }

/* ── Chronicle sticky layout ── */
#chronicle { position: relative; border-top: 1px solid var(--line-lo); }
.chron-grid {
  display: grid; grid-template-columns: minmax(380px, 44%) 1fr;
  max-width: 1440px; margin: 0 auto; gap: 0;
}
.chron-text { padding: 40px 20px 40px 40px; }
.step { min-height: 80vh; display: flex; flex-direction: column; justify-content: center; padding: 44px 24px 44px 0; max-width: 620px; }
.step.active-step h3 { color: var(--ink); }
.chron-dash { position: relative; }
.dash-inner {
  position: sticky; top: 0; height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 40px 28px;
}

/* Chronicle inline mini-charts */
.inline-chart {
  margin: 20px 0; background: var(--paper-hi); border: 1px solid var(--line); border-radius: 0;
  box-shadow: none; padding: 14px 12px 8px;
}
.inline-chart svg text { font-family: var(--mono); }
.inline-chart .ic-title { font-weight: 600; font-size: 13.5px; margin: 0 0 2px 4px; font-family: var(--sans); }
.inline-chart .ic-src { font-family: var(--mono); font-size: 9.5px; color: var(--ink-lo); margin: 6px 4px 2px; }

/* ── Citation · grand serif italique, filet or ── */
.quote-card {
  margin: 46px 0 40px; position: relative;
  background: transparent;
  border: 0;
  border-top: 1px solid var(--gold);
  border-bottom: 1px solid var(--line-lo);
  border-radius: 0;
  box-shadow: none;
  padding: 26px 2px 22px;
  transform: none;
}
.quote-card::after { content: none; }
.quote-card::before {
  content: "Extrait du contrat";
  display: block;
  font-family: var(--sans); font-weight: 600; font-size: 9.5px;
  letter-spacing: .26em; text-transform: uppercase;
  color: var(--ink-lo); margin-bottom: 14px;
}
.quote-card:nth-of-type(even) { transform: none; }
.quote-card .q-mark { display: none; }
.quote-card .q-badges { display: none; }
.quote-card .q-zh { display: none; }
.quote-card .q-text {
  font-size: 23px; font-style: italic; font-weight: 400;
  font-family: var(--serif); color: var(--ink);
  line-height: 1.5; margin-bottom: 14px; letter-spacing: -0.005em;
  text-wrap: balance;
}
.quote-card .q-who {
  font-family: var(--sans); font-size: 12px; color: var(--ink-md);
  text-transform: uppercase; letter-spacing: .1em;
}
.quote-card .q-who b { color: var(--ink); font-weight: 600; }
.quote-card .q-why {
  margin-top: 14px; padding-top: 12px; border-top: 1px dotted var(--line);
  font-size: 13px; color: var(--ink-md); line-height: 1.7; display: block;
}
.quote-card .q-lab {
  font-family: var(--mono); font-size: 9.5px; color: var(--ink-lo);
  margin-right: 6px; letter-spacing: .12em; text-transform: uppercase;
}
.quote-card .q-lab.why { color: var(--gold); margin-left: 10px; }
.quote-card .q-src { font-family: var(--mono); font-size: 10px; color: var(--ink-lo); margin-left: 8px; }

/* ── Cachet du partenariat — anneau or tourné ── */
.stamp {
  float: right; width: 122px; height: 122px; margin: 4px 0 16px 24px;
  border: 2px solid var(--gold); border-radius: 50%;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  transform: rotate(-9deg);
  color: var(--gold); font-family: var(--mono); text-transform: uppercase;
  letter-spacing: .14em; font-size: 9px; line-height: 1.3; text-align: center;
  opacity: .92; position: relative;
  user-select: none;
}
.stamp::before {
  content: ""; position: absolute; inset: 5px;
  border: 1px dashed var(--gold); border-radius: 50%;
}
.stamp b { font-family: var(--serif); font-style: italic; font-size: 23px; letter-spacing: 0; font-weight: 600; }
@media (max-width: 700px) {
  .stamp { width: 96px; height: 96px; margin-left: 16px; }
  .stamp b { font-size: 18px; }
}

/* ── Le contrat — l'artefact officiel : plaque à double filet or ── */
#contract-root {
  border: 1px solid var(--gold);
  outline: 1px solid rgba(197,160,89,.35);
  outline-offset: 5px;
  background: var(--paper-hi);
  padding: 8px 26px 20px;
  margin: 12px 0;
}
@media (max-width: 700px) { #contract-root { padding: 4px 16px 14px; } }

/* drill card */
#drill-card {
  position: fixed; z-index: 200; min-width: 240px; max-width: 340px;
  background: #141412; color: #f2efe8; padding: 14px 18px; border-radius: 0;
  box-shadow: 0 12px 40px rgba(0,0,0,.55); font-size: 13px; line-height: 1.65;
  border: 1px solid var(--line); border-top: 3px solid var(--gold);
}
#drill-card .d-title { font-family: var(--mono); font-size: 10.5px; color: #a39f92; letter-spacing: .08em; text-transform: uppercase; }
#drill-card .d-val { font-family: var(--mono); font-size: 25px; font-weight: 700; color: #fff; margin: 2px 0; font-variant-numeric: tabular-nums; }
#drill-card .d-val .pos { color: #9cc4a5; } #drill-card .d-val .neg { color: #dd9280; }
#drill-card .d-sub { color: #cfcbc0; font-size: 12.5px; }
#drill-card .d-src { font-family: var(--mono); font-size: 10px; color: #7d7a70; margin-top: 8px; padding-top: 8px; border-top: 1px solid rgba(242,239,232,.14); }
#drill-card .d-close { position: absolute; top: 6px; right: 10px; color: #7d7a70; cursor: pointer; background: none; border: 0; font-size: 14px; }

/* appendix */
#sec-sources { padding: 100px 0 80px; border-top: 1px solid var(--line-lo); }
#source-list { margin-top: 4px; display: grid; grid-template-columns: 1fr 1fr; column-gap: 48px; align-items: start; }
@media (max-width: 1420px) { #source-list { grid-template-columns: 1fr; } }
.src-row { display: block; padding: 10px 0 11px; border-bottom: 1px solid var(--line-lo); font-size: 13px; }
.src-row .s-fact { display: block; color: var(--ink); line-height: 1.55; }
.src-row .s-cite { display: block; font-family: var(--mono); font-size: 10.5px; color: var(--ink-md); margin-top: 4px; line-height: 1.6; }
.colophon { margin-top: 40px; font-family: var(--mono); font-size: 10.5px; color: var(--ink-lo); line-height: 2; }
@media (max-width: 900px) { #source-list { column-count: 1; } }

/* source-category badge */
.src-cat {
  display: inline-block; font-family: var(--mono); font-size: 9px;
  letter-spacing: .08em; text-transform: uppercase;
  border: 1px solid var(--line); border-radius: 0;
  padding: 0 5px; margin-right: 6px; color: var(--ink-md); vertical-align: 1px;
}
.src-cat.kimi { border-color: var(--gold); color: var(--gold); }
.src-cat.broker { border-color: var(--copper); color: var(--copper); }
.src-cat.company { border-color: var(--green); color: var(--green); }
.src-cat.industry { border-color: var(--blue); color: var(--blue); }

/* data tables (lineage, comparisons) */
table.dt {
  border-collapse: collapse; width: 100%;
  font-family: var(--sans); font-size: 13px; line-height: 1.55;
}
table.dt th {
  font-family: var(--mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink-md); text-align: left; padding: 7px 12px 7px 0;
  border-bottom: 1px solid rgba(242,239,232,.55); white-space: nowrap;
}
table.dt td { padding: 8px 12px 8px 0; border-bottom: 1px solid var(--line-lo); vertical-align: top; }
table.dt td.num { font-family: var(--mono); font-size: 12px; font-variant-numeric: tabular-nums; white-space: nowrap; }
table.dt tr:hover td { background: var(--paper-hi); }
table.dt tr.hl td { background: rgba(197,160,89,.08); }

/* ── §0.5 three terms · colonnes magazine ── */
.term-mag {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
}
.term-mag .term {
  padding: 6px 26px 14px;
  cursor: default; outline: none;
}
.term-mag .term + .term { border-left: 1px solid var(--line-lo); }
.term-mag .term:first-child { padding-left: 2px; }
.term-mag .t-abbr {
  font-family: var(--serif); font-weight: 400; font-style: italic; font-size: 36px;
  letter-spacing: -0.015em; color: var(--ink); line-height: 1.1;
  transition: color .2s ease;
}
.term-mag .term:hover .t-abbr, .term-mag .term:focus-within .t-abbr { color: var(--gold); }
.term-mag .t-full {
  font-family: var(--mono); font-size: 10px; color: var(--ink-lo);
  text-transform: uppercase; letter-spacing: .1em; margin: 6px 0 12px;
  padding-bottom: 10px; border-bottom: 1px solid var(--line-lo);
}
.term-mag .t-gist { font-size: 14px; color: var(--ink); line-height: 1.65; margin: 0; }
.term-mag .term { position: relative; }
.term-mag .t-more {
  /* Desktop: overlay expansion, never pushes content below */
  position: absolute; left: 26px; right: 26px; top: 100%; z-index: 6;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  padding: 10px 0 16px;
  max-height: 0; opacity: 0; overflow: hidden;
  transition: max-height .4s cubic-bezier(.25,.7,.3,1), opacity .3s ease .05s;
  pointer-events: none;
}
.term-mag .term:first-child .t-more { left: 2px; }
.term-mag .term:hover .t-more, .term-mag .term:focus-within .t-more,
.term-mag .term.open .t-more { max-height: 340px; opacity: 1; pointer-events: auto; }
.term-mag .t-more p { font-size: 13px; color: var(--ink-md); line-height: 1.72; margin: 0; }
.term-mag .t-hint {
  font-family: var(--mono); font-size: 9px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-lo); margin-top: 12px; transition: opacity .25s ease;
}
.term-mag .term:hover .t-hint, .term-mag .term:focus-within .t-hint, .term-mag .term.open .t-hint { opacity: 0; }
@media (max-width: 760px) {
  .term-mag { grid-template-columns: 1fr; }
  .term-mag .term { padding: 18px 2px; border-left: 0 !important; border-top: 1px solid var(--line-lo); }
  .term-mag .term:first-child { border-top: 0; }
  .term-mag .t-more { position: static; max-height: none; opacity: 1; margin-top: 10px; padding: 0; border-bottom: 0; pointer-events: auto; }
  .term-mag .t-hint { display: none; }
}

/* tooltip */
.tip {
  position: fixed; z-index: 150; pointer-events: none;
  background: #141412; color: #f2efe8; border: 1px solid var(--line);
  font-family: var(--mono); font-size: 11px;
  padding: 5px 10px; border-radius: 0; opacity: 0; transition: opacity .12s; white-space: nowrap;
}

@media (max-width: 980px) {
  .chron-grid { grid-template-columns: 1fr; }
  .chron-dash { display: none; }
  .step { min-height: 0; }
}

/* ── Narrative column yields to right rail ── */
main, footer#sec-sources { margin-right: var(--railw); }
#cover { margin-right: 0; }
.cover-inner { max-width: 1180px; margin: 0 auto; }
#era-rail { right: var(--railw); }

/* ── Persistent dashboard rail ── */
#dash-rail {
  position: fixed; top: 0; right: 0; bottom: 0; width: var(--railw);
  border: 0; border-left: 1px solid var(--line-lo);
  background: rgba(20,20,20,.6);
  z-index: 60;
  opacity: 0; visibility: hidden; transform: translateX(24px);
  transition: opacity .55s ease, transform .55s ease, visibility 0s linear .55s;
}
#dash-rail.on { opacity: 1; visibility: visible; transform: none; transition: opacity .55s ease, transform .55s ease; }
#dash-rail canvas { width: 100%; height: 100%; display: block; cursor: crosshair; }
#dash-rail #dash-canvas {
  max-height: none; border: 0; border-radius: 0; box-shadow: none;
  background: transparent;
}

/* ── dek · serif italique ── */
.dek {
  font-family: var(--serif); font-style: italic; font-weight: 400;
  font-size: 20px; line-height: 1.6; color: var(--ink-md);
  margin: -2px 0 28px; max-width: 600px;
  border: 0; padding: 0;
}
.dek strong, .dek b { color: var(--ink); font-style: normal; }

/* chronicle single-column */
.chron-text { max-width: 760px; margin: 0 auto; padding: 40px 24px; }
.step { min-height: 78vh; }

@media (max-width: 1180px) {
  body { --railw: 0px; }
  #dash-rail { display: none; }
}

/* section hairline */
hr.sep { border: 0; height: 1px; background: var(--line); margin: 0 auto; max-width: 860px; }

/* ── Points de navigation du rail ── */
.rail-track { display: flex; gap: 8px; align-items: center; flex: 1; }
.rail-dot { width: 8px; height: 8px; border-radius: 50%; border: 1px solid var(--ink-lo);
  background: transparent; padding: 0; cursor: pointer; transition: all .2s ease; }
.rail-dot.on { background: var(--gold); border-color: var(--gold); transform: scale(1.35); }
.rail-dot:hover { border-color: var(--ink); }

/* ── Entrées animées des blocs ── */
.pre-in { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s cubic-bezier(.22,.8,.3,1); }
.pre-in.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .pre-in { opacity: 1; transform: none; transition: none; }
}

/* ── CTA · boutons de contact ── */
.btn-gold {
  display: inline-block; font-family: var(--sans); font-weight: 600;
  font-size: 11.5px; letter-spacing: .14em; text-transform: uppercase;
  background: var(--gold); color: #1a1a1a; border: 1px solid var(--gold);
  padding: 13px 26px; text-decoration: none; cursor: pointer; transition: all .18s;
}
.btn-gold:hover { background: transparent; color: var(--gold); }
.cover-cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin: 30px 0 0; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin: 26px 0; }
a.chip { text-decoration: none; display: inline-block; }

/* ── Stat 78 % · étude interne ── */
.stat78 {
  border: 1px solid var(--gold);
  outline: 1px solid rgba(197,160,89,.35); outline-offset: 5px;
  background: var(--paper-hi); padding: 26px 28px; margin: 32px 0 26px;
}
.s78-num {
  font-family: var(--serif); font-style: italic; font-size: 54px;
  color: var(--gold); line-height: 1; margin: 0 0 12px;
}
.s78-text { font-size: 16.5px; color: var(--ink); line-height: 1.62; margin: 0 0 12px; }
.s78-src { font-family: var(--mono); font-size: 11px; color: var(--gold); }
.s78-note { font-size: 12.5px; color: var(--ink-lo); line-height: 1.65; margin: 0; }

/* ── Solutions · 5 familles de besoins ── */
.sol-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; align-items: start; }
.sol-card { border: 1px solid var(--line); background: var(--paper-hi); padding: 22px 24px 18px; }
.sol-no { font-family: var(--serif); font-style: italic; color: var(--gold); font-size: 26px; margin: 0 0 10px; }
.sol-card h3 {
  font-family: var(--sans); font-weight: 600; font-size: 13.5px;
  letter-spacing: .06em; text-transform: uppercase; line-height: 1.45;
  margin: 0 0 12px; color: var(--ink);
}
.sol-card ul { list-style: none; margin: 0; padding: 0; }
.sol-card li {
  font-size: 13px; color: var(--ink-md); line-height: 1.55;
  padding: 5px 0 5px 18px; position: relative;
  border-bottom: 1px solid var(--line-lo);
}
.sol-card li:last-child { border-bottom: none; }
.sol-card li::before { content: "→"; position: absolute; left: 0; top: 5px; color: var(--gold); font-size: 11px; }
.sol-note { margin-top: 18px; font-size: 12.5px; color: var(--ink-lo); line-height: 1.65; }

/* ── Qui fait quoi ── */
.split2 { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; margin: 26px 0 30px; }
@media (max-width: 800px) { .split2 { grid-template-columns: 1fr; } }
.sp-h {
  font-family: var(--sans); font-weight: 600; font-size: 11.5px;
  letter-spacing: .2em; text-transform: uppercase; color: var(--gold); margin: 0 0 10px;
}
.split2 ul { list-style: none; margin: 0; padding: 0; }
.split2 li { font-size: 14px; color: var(--ink-md); line-height: 1.6; padding: 8px 0; border-top: 1px solid var(--line-lo); }
.split2 li b { color: var(--ink); font-weight: 600; }

/* ── Preuves vérifiables ── */
.proof-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; margin: 28px 0 6px; }
.proof {
  display: block; border: 1px solid var(--line); background: var(--paper-hi);
  padding: 18px 20px; text-decoration: none; color: inherit; transition: border-color .18s;
}
a.proof:hover { border-color: var(--gold); }
.pf-h {
  font-family: var(--mono); font-size: 9.5px; letter-spacing: .16em;
  text-transform: uppercase; color: var(--ink-lo); margin: 0 0 9px;
}
.pf-v { font-family: var(--serif); font-style: italic; font-size: 21px; color: var(--gold); margin: 0 0 9px; }
.pf-d { font-size: 12.5px; color: var(--ink-md); line-height: 1.55; margin: 0; }

/* ── Bandeau annexe ── */
.annexe-banner { border-top: 1px solid var(--line-lo); padding: 66px 0 0; }
.annexe-banner .ab-t {
  font-family: var(--serif); font-weight: 400; font-size: clamp(26px, 3vw, 36px);
  letter-spacing: -0.02em; color: var(--ink); margin: 0; max-width: 20em;
}

/* ── Carte contact ── */
.contact-card {
  border: 1px solid var(--gold);
  outline: 1px solid rgba(197,160,89,.35); outline-offset: 5px;
  background: var(--paper-hi); padding: 30px 32px; margin-top: 40px;
}
.cc-name { font-family: var(--serif); font-size: 28px; color: var(--ink); margin: 0; }
.cc-role {
  font-family: var(--mono); font-size: 10px; letter-spacing: .2em;
  text-transform: uppercase; color: var(--gold); margin: 8px 0 20px;
}
.cc-line { font-size: 14px; color: var(--ink-md); line-height: 1.6; margin: 7px 0; }
.cc-line a { color: var(--gold); text-decoration: none; border-bottom: 1px solid rgba(197,160,89,.4); }
.cc-line a:hover { border-bottom-color: var(--gold); }

/* ── Classe de source · étude interne ── */
.src-cat.internal { border-color: var(--blue); color: var(--blue); }

/* ── Simulateur · scénarios ── */
.sim-scen { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.sim-scen button {
  font-family: var(--mono); font-size: 10px; letter-spacing: .06em;
  padding: 7px 13px; border: 1px solid var(--line); background: var(--paper);
  color: var(--ink-md); cursor: pointer; border-radius: 0; transition: all .15s;
}
.sim-scen button.on { border-color: var(--gold); color: var(--gold); font-weight: 700; }
.sim-scen button:hover { border-color: var(--ink); color: var(--ink); }
.sim-total { font-family: var(--mono); font-size: 10px; letter-spacing: .08em; color: var(--ink-lo); margin: 2px 0 18px; }
.sim-scenario-line { font-family: var(--mono); font-size: 10.5px; letter-spacing: .05em; color: var(--gold); margin: 10px 0 0; }

/* ── Mobile · tableaux larges ── */
@media (max-width: 700px) {
  table.dt { display: block; overflow-x: auto; }
  table.dt td.num { white-space: normal; }
}