/* =========================================================
   Architecture-Strategique-IA — Design System
   Charte : voir DESIGN.md
   ========================================================= */

:root {
  /* Surfaces */
  --paper:      #FBFAF7;
  --paper-alt:  #F4F1EA;
  --surface:    #FFFFFF;
  --ink:        #0B2239;
  --ink-deep:   #061621;
  --ink-soft:   #14324E;

  /* Accent signature.
     --bronze est la valeur utilisée pour le TEXTE et les fonds de bouton :
     assombrie à #8A6636 pour tenir 4.5:1 sur papier (5.0:1) et en blanc sur
     fond bronze (5.2:1). L'ancien #A87C3F ne tenait que 3.6:1.
     --bronze-soft reste disponible pour le purement décoratif (filets, points),
     où le ratio de texte ne s'applique pas. */
  --bronze:      #8A6636;
  --bronze-soft: #A87C3F;
  --bronze-lift: #C9A15F;
  --bronze-pale: #E6D8BF;

  /* Texte */
  --text:    #26313D;
  --muted:   #5A6675;
  --muted-2: #66707F;
  --border:  #E4DED2;
  --border-strong: #D3CBBB;
  --on-dark:      rgba(251,250,247,0.78);
  --on-dark-mute: rgba(251,250,247,0.52);
  --on-dark-line: rgba(251,250,247,0.16);

  /* Palette catégorielle des 5 capacités.
     Validée (dataviz) : bande de clarté, plancher de chroma,
     séparation CVD protan/deutan et vision normale, contraste
     sur fond papier — en mode adjacent ET toutes paires. */
  --cap-1: #008CBA;  /* Align */
  --cap-2: #454BD7;  /* Industrialize */
  --cap-3: #98397E;  /* Automate */
  --cap-4: #3A732C;  /* Augment */
  --cap-5: #B38728;  /* Scale */

  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --container: 1200px;
  --measure: 68ch;
  --r: 4px;

  --shadow-sm: 0 1px 2px rgba(11,34,57,.05), 0 2px 6px rgba(11,34,57,.04);
  --shadow-md: 0 2px 4px rgba(11,34,57,.05), 0 12px 28px rgba(11,34,57,.07);
  --shadow-lg: 0 4px 8px rgba(11,34,57,.06), 0 24px 56px rgba(11,34,57,.10);

  --ease: cubic-bezier(.22,.61,.36,1);
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--text);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }

:focus-visible {
  outline: 2px solid var(--bronze);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- Typographie ---------- */

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  color: var(--ink);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.018em;
  font-optical-sizing: auto;
}

h1 { font-size: clamp(2.6rem, 6.2vw, 4.9rem); }
h2 { font-size: clamp(2rem, 4vw, 3.15rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.55rem); line-height: 1.2; }
h4 { font-size: 1.0625rem; font-family: var(--font-body); font-weight: 650; letter-spacing: -0.005em; line-height: 1.35; }

.display-serif { font-family: var(--font-display); }
em, .italic { font-style: italic; }

.lede {
  font-size: clamp(1.125rem, 1.6vw, 1.3125rem);
  line-height: 1.55;
  color: var(--muted);
  max-width: 56ch;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 20px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--bronze);
  flex: none;
}
.eyebrow.no-rule::before { display: none; }
.dark .eyebrow, .hero .eyebrow, .page-header .eyebrow,
.cta-band .eyebrow, .result-hero .eyebrow, .contact-aside .eyebrow { color: var(--bronze-lift); }
.dark .eyebrow::before, .hero .eyebrow::before, .page-header .eyebrow::before,
.cta-band .eyebrow::before, .result-hero .eyebrow::before, .contact-aside .eyebrow::before { background: var(--bronze-lift); }

/* ---------- Layout ---------- */

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 40px;
}
@media (max-width: 720px) { .container { padding-inline: 22px; } }

section { padding-block: clamp(72px, 9vw, 132px); position: relative; }
.section-sm { padding-block: clamp(56px, 6vw, 88px); }
.rule-top { border-top: 1px solid var(--border); }

.section-head { max-width: 62ch; margin-bottom: clamp(40px, 5vw, 68px); }
.section-head .lede { margin-top: 18px; }

.dark { background: var(--ink-deep); color: var(--on-dark); }
.dark h1, .dark h2, .dark h3, .dark h4 { color: var(--paper); }
.dark .lede { color: var(--on-dark); }
.dark p { color: var(--on-dark); }

.alt { background: var(--paper-alt); }

/* ---------- Boutons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.005em;
  padding: 15px 28px;
  border: 1px solid transparent;
  border-radius: var(--r);
  cursor: pointer;
  transition: background .22s var(--ease), color .22s var(--ease),
              border-color .22s var(--ease), transform .22s var(--ease);
  text-align: center;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }

.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: var(--bronze); }

.btn-outline { border-color: var(--border-strong); color: var(--ink); background: transparent; }
.btn-outline:hover { border-color: var(--ink); background: var(--ink); color: var(--paper); }

.btn-bronze { background: var(--bronze); color: #fff; }
.btn-bronze:hover { background: var(--bronze-soft); }

/* Surfaces sombres. Elles ne portent pas toutes la classe .dark (le hero, les
   en-têtes de page, le bandeau CTA et l'encart de résultat ont leur propre
   classe) : sans cette liste, .btn-outline hérite du style clair et son texte
   navy devient illisible sur fond navy (contraste mesuré 1.14:1). */
.dark .btn-primary,
.hero .btn-primary,
.page-header .btn-primary,
.cta-band .btn-primary,
.result-hero .btn-primary,
.contact-aside .btn-primary { background: var(--bronze); color: #fff; }
.dark .btn-primary:hover,
.hero .btn-primary:hover,
.page-header .btn-primary:hover,
.cta-band .btn-primary:hover,
.result-hero .btn-primary:hover,
.contact-aside .btn-primary:hover { background: var(--paper); color: var(--ink); }

.dark .btn-outline,
.hero .btn-outline,
.page-header .btn-outline,
.cta-band .btn-outline,
.result-hero .btn-outline,
.contact-aside .btn-outline { border-color: rgba(251,250,247,.34); color: var(--paper); background: transparent; }
.dark .btn-outline:hover,
.hero .btn-outline:hover,
.page-header .btn-outline:hover,
.cta-band .btn-outline:hover,
.result-hero .btn-outline:hover,
.contact-aside .btn-outline:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); }

.btn-row { display: flex; gap: 14px; flex-wrap: wrap; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--ink);
  border-bottom: 1px solid var(--border-strong);
  padding-bottom: 3px;
  transition: color .2s var(--ease), border-color .2s var(--ease), gap .2s var(--ease);
}
.link-arrow::after { content: "→"; color: var(--bronze); transition: transform .2s var(--ease); }
.link-arrow:hover { color: var(--bronze); border-color: var(--bronze); }
.link-arrow:hover::after { transform: translateX(3px); }
.dark .link-arrow, .hero .link-arrow, .page-header .link-arrow,
.cta-band .link-arrow, .result-hero .link-arrow, .contact-aside .link-arrow {
  color: var(--paper); border-color: rgba(251,250,247,.28);
}
.dark .link-arrow:hover, .hero .link-arrow:hover, .page-header .link-arrow:hover,
.cta-band .link-arrow:hover, .result-hero .link-arrow:hover, .contact-aside .link-arrow:hover {
  color: var(--bronze-lift); border-color: var(--bronze-lift);
}

/* ---------- Navigation ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(251,250,247,.82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s var(--ease), background .25s var(--ease);
}
.nav.scrolled { border-bottom-color: var(--border); }

.nav-inner {
  max-width: var(--container);
  margin-inline: auto;
  padding: 16px 40px;
  display: flex;
  align-items: center;
  gap: 32px;
}
@media (max-width: 720px) { .nav-inner { padding: 14px 22px; } }

.brand { display: flex; align-items: center; gap: 12px; flex: none; }
.brand-mark { flex: none; }
.brand-text {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.015em;
  line-height: 1.1;
  white-space: nowrap;
}
.brand-text small {
  display: block;
  font-family: var(--font-body);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-top: 3px;
}
@media (max-width: 420px) { .brand-text small { display: none; } }

.nav-links { display: flex; align-items: center; gap: 4px; margin-left: auto; }
/* :not(.btn) — sinon cette règle (spécificité supérieure) écrase la couleur de
   .btn-primary et le bouton Contact se retrouve en gris sur navy (2.76:1). */
.nav-links > a:not(.btn) {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--muted);
  padding: 9px 13px;
  border-radius: var(--r);
  position: relative;
  transition: color .2s var(--ease), background .2s var(--ease);
  white-space: nowrap;
}
.nav-links > a:not(.btn):hover { color: var(--ink); background: rgba(11,34,57,.045); }
.nav-links > a:not(.btn).active { color: var(--ink); }
.nav-links > a:not(.btn).active::after {
  content: "";
  position: absolute;
  left: 13px; right: 13px; bottom: 3px;
  height: 1.5px;
  background: var(--bronze);
}
.nav-links .btn { margin-left: 10px; padding: 11px 20px; font-size: 0.8125rem; }

.nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: 1px solid var(--border-strong);
  border-radius: var(--r);
  width: 42px; height: 42px;
  cursor: pointer;
  position: relative;
}
.nav-toggle span {
  position: absolute;
  left: 11px;
  width: 18px; height: 1.5px;
  background: var(--ink);
  transition: transform .25s var(--ease), opacity .2s var(--ease);
}
.nav-toggle span:nth-child(1) { top: 15px; }
.nav-toggle span:nth-child(2) { top: 20px; }
.nav-toggle span:nth-child(3) { top: 25px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

@media (max-width: 1000px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed;
    inset: 71px 0 auto 0;
    background: var(--paper);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 22px 26px;
    margin: 0;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .22s var(--ease), transform .22s var(--ease);
    max-height: calc(100vh - 71px);
    overflow-y: auto;
  }
  .nav-links.open { opacity: 1; transform: none; pointer-events: auto; }
  .nav-links > a:not(.btn) { font-size: 1rem; padding: 15px 4px; border-bottom: 1px solid var(--border); border-radius: 0; }
  .nav-links > a:not(.btn).active::after { left: 4px; right: auto; width: 20px; bottom: 8px; }
  .nav-links .btn { margin: 18px 0 0; padding: 15px 24px; font-size: 0.9375rem; }
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  background: var(--ink-deep);
  color: var(--on-dark);
  overflow: hidden;
  padding-block: clamp(80px, 11vw, 148px) clamp(72px, 9vw, 120px);
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(90ch 60ch at 78% 12%, rgba(168,124,63,.20), transparent 62%),
    radial-gradient(70ch 50ch at 8% 92%, rgba(0,140,186,.14), transparent 60%);
  z-index: -2;
}
.hero-grid-lines {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: .5;
  pointer-events: none;
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: clamp(40px, 6vw, 88px);
  align-items: center;
}
@media (max-width: 980px) { .hero-layout { grid-template-columns: 1fr; } }

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--bronze-lift);
  border: 1px solid var(--on-dark-line);
  border-radius: 100px;
  padding: 8px 18px;
  margin-bottom: 30px;
}
.hero-kicker .dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--bronze-lift);
  flex: none;
}

.hero h1 { color: var(--paper); }
.hero h1 .accent {
  color: var(--bronze-lift);
  font-style: italic;
  font-weight: 400;
}
.hero-role {
  font-family: var(--font-body);
  font-size: clamp(.9375rem, 1.4vw, 1.0625rem);
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--on-dark-mute);
  margin-top: 24px;
  padding-top: 22px;
  border-top: 1px solid var(--on-dark-line);
  max-width: 32ch;
}
.hero-desc {
  margin-top: 26px;
  font-size: clamp(1.0625rem, 1.5vw, 1.1875rem);
  line-height: 1.6;
  color: var(--on-dark);
  max-width: 50ch;
}
.hero .btn-row { margin-top: 38px; }

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 44px;
  padding-top: 30px;
  border-top: 1px solid var(--on-dark-line);
}
.hero-tags span {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--on-dark-mute);
  border: 1px solid var(--on-dark-line);
  border-radius: 100px;
  padding: 6px 13px;
}

/* Panneau "chaîne de valeur" du hero */
.value-chain {
  background: rgba(251,250,247,.035);
  border: 1px solid var(--on-dark-line);
  border-radius: 6px;
  padding: 28px;
  backdrop-filter: blur(6px);
}
.value-chain-title {
  font-size: 0.6875rem;
  font-weight: 650;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--on-dark-mute);
  padding-bottom: 16px;
  margin-bottom: 6px;
  border-bottom: 1px solid var(--on-dark-line);
}
.vc-step {
  display: grid;
  grid-template-columns: 34px 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(251,250,247,.07);
  position: relative;
}
.vc-step:last-child { border-bottom: none; }
.vc-num {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--bronze-lift);
  font-variant-numeric: tabular-nums;
}
.vc-label { font-size: 0.9375rem; font-weight: 550; color: var(--paper); }
.vc-meta { font-size: 0.75rem; color: var(--on-dark-mute); letter-spacing: .04em; }
.vc-step .bar {
  position: absolute;
  left: 0; bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, var(--bronze-lift), transparent);
  width: var(--w, 0%);
}

/* ---------- Page header (pages internes) ---------- */

.page-header {
  background: var(--ink-deep);
  color: var(--on-dark);
  padding-block: clamp(58px, 7vw, 96px) clamp(52px, 6vw, 84px);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.page-header::before {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(80ch 44ch at 82% 0%, rgba(168,124,63,.18), transparent 64%);
}
.page-header h1 {
  color: var(--paper);
  font-size: clamp(2.15rem, 4.6vw, 3.6rem);
  max-width: 20ch;
}
.page-header .lede { color: var(--on-dark); margin-top: 22px; }

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--on-dark-mute);
  margin-bottom: 26px;
}
.breadcrumb a { color: var(--on-dark-mute); transition: color .2s; }
.breadcrumb a:hover { color: var(--bronze-lift); }
.breadcrumb .sep { color: rgba(251,250,247,.3); }

/* ---------- Grilles & cartes ---------- */

.grid { display: grid; gap: 24px; }
.g-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.g-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.g-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
@media (max-width: 1000px) { .g-4 { grid-template-columns: repeat(2, minmax(0,1fr)); } .g-3 { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 720px)  { .g-2, .g-3, .g-4 { grid-template-columns: 1fr; } }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: clamp(24px, 3vw, 34px);
  position: relative;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--cap, var(--bronze));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s var(--ease);
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--border-strong); }
.card:hover::before { transform: scaleX(1); }
.card.static:hover { transform: none; box-shadow: none; }
.card.static::before { display: none; }

.card-index {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--bronze);
  font-variant-numeric: tabular-nums;
  letter-spacing: .06em;
  margin-bottom: 16px;
}
.card h3 { margin-bottom: 12px; }
.card h4 { margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 0.9688rem; }
.card p + p { margin-top: 12px; }
.card .link-arrow { margin-top: auto; padding-top: 22px; align-self: flex-start; border-bottom: none; }
.card-note { font-size: 0.875rem; color: var(--muted-2); margin-top: 14px; }

.ticks { margin-top: 18px; display: flex; flex-direction: column; gap: 9px; }
.ticks li {
  position: relative;
  padding-left: 20px;
  font-size: 0.9063rem;
  color: var(--text);
  line-height: 1.5;
}
.ticks li::before {
  content: "";
  position: absolute;
  left: 0; top: .62em;
  width: 9px; height: 1px;
  background: var(--cap, var(--bronze));
}
.dark .ticks li { color: var(--on-dark); }

.cap-1 { --cap: var(--cap-1); }
.cap-2 { --cap: var(--cap-2); }
.cap-3 { --cap: var(--cap-3); }
.cap-4 { --cap: var(--cap-4); }
.cap-5 { --cap: var(--cap-5); }

.tag-line {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-top: 14px;
}

.pill {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 650;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
  border: 1px solid var(--border-strong);
  color: var(--muted);
  background: var(--paper-alt);
}
.pill.soon { color: var(--bronze); border-color: var(--bronze-pale); background: #FBF6EC; }

/* ---------- Stats ---------- */

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
}
@media (max-width: 860px) { .stats { grid-template-columns: repeat(2, minmax(0,1fr)); } }
.stat { background: var(--surface); padding: clamp(24px, 3vw, 36px) clamp(20px,2.4vw,28px); }
.stat-figure {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.4vw, 3.4rem);
  font-weight: 500;
  color: var(--ink);
  line-height: 1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.stat-figure .unit { color: var(--bronze); font-size: .56em; margin-left: 2px; }
.stat-label {
  margin-top: 14px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--muted);
  line-height: 1.45;
}
.stat-sub { font-size: 0.75rem; color: var(--muted-2); margin-top: 5px; font-weight: 400; letter-spacing: .02em; }
.dark .stats { background: var(--on-dark-line); border-color: var(--on-dark-line); }
.dark .stat { background: var(--ink-deep); }
.dark .stat-figure { color: var(--paper); }
.dark .stat-figure .unit { color: var(--bronze-lift); }
.dark .stat-label { color: var(--on-dark); }
.dark .stat-sub { color: var(--on-dark-mute); }

/* ---------- Bar chart (magnitude, série unique, teinte unique) ---------- */

.chart { display: flex; flex-direction: column; gap: 22px; }
.chart-row-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 9px;
}
.chart-label { font-size: 0.9375rem; color: var(--text); }
.chart-value {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  flex: none;
}
.chart-track { height: 6px; background: var(--paper-alt); border-radius: 3px; overflow: hidden; }
.chart-fill {
  height: 100%;
  background: var(--bronze);
  border-radius: 0 3px 3px 0;
  width: 0;
  transition: width 1s var(--ease);
}
.dark .chart-label { color: var(--on-dark); }
.dark .chart-value { color: var(--paper); }
.dark .chart-track { background: rgba(251,250,247,.10); }
.dark .chart-fill { background: var(--bronze-lift); }

/* ---------- Citation ---------- */

.pull-quote {
  border-left: 2px solid var(--bronze);
  padding-left: clamp(22px, 3vw, 36px);
  max-width: 60ch;
}
.pull-quote p {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.1vw, 1.6rem);
  line-height: 1.42;
  font-style: italic;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.dark .pull-quote { border-color: var(--bronze-lift); }
.dark .pull-quote p { color: var(--paper); }
.quote-cite {
  margin-top: 18px;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-style: normal;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.dark .quote-cite { color: var(--on-dark-mute); }

/* ---------- Empilement des capacités (diagramme) ---------- */

.stack { display: flex; flex-direction: column; gap: 3px; }
.stack-layer {
  display: grid;
  grid-template-columns: 62px minmax(0,1fr) minmax(0,1.1fr);
  gap: clamp(14px, 2.4vw, 30px);
  align-items: center;
  padding: clamp(18px, 2.3vw, 26px) clamp(18px,2.4vw,28px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--cap, var(--bronze));
  border-radius: var(--r);
  transition: transform .28s var(--ease), box-shadow .28s var(--ease);
}
.stack-layer:hover { transform: translateX(4px); box-shadow: var(--shadow-sm); }
.stack-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--cap, var(--bronze));
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.stack-name { font-family: var(--font-display); font-size: 1.3rem; font-weight: 550; color: var(--ink); letter-spacing: -0.015em; }
.stack-role { font-size: 0.875rem; color: var(--muted); margin-top: 4px; }
.stack-tech { font-size: 0.8125rem; color: var(--muted-2); letter-spacing: 0.02em; line-height: 1.5; }
@media (max-width: 800px) {
  .stack-layer { grid-template-columns: 46px 1fr; }
  .stack-tech { grid-column: 2; }
}
.stack-crown {
  margin-top: 3px;
  text-align: center;
  padding: 20px;
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--r);
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}
.stack-crown small {
  display: block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--bronze-lift);
  margin-top: 7px;
  font-weight: 600;
}

/* ---------- Flux / continuum ---------- */

.flow {
  display: flex;
  align-items: stretch;
  gap: 0;
  flex-wrap: wrap;
  border: 1px solid var(--border);
  border-radius: var(--r);
  background: var(--surface);
  overflow: hidden;
}
.flow-node {
  flex: 1 1 auto;
  min-width: 132px;
  padding: 20px 16px;
  text-align: center;
  border-right: 1px solid var(--border);
  position: relative;
  font-size: 0.875rem;
  font-weight: 550;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
}
.flow-node:last-child { border-right: none; }
.flow-node .n {
  font-family: var(--font-display);
  font-size: 0.6875rem;
  color: var(--bronze);
  letter-spacing: .1em;
}
.flow-node.terminal { background: var(--ink); color: var(--paper); }
.flow-node.terminal .n { color: var(--bronze-lift); }
.dark .flow { background: rgba(251,250,247,.04); border-color: var(--on-dark-line); }
.dark .flow-node { color: var(--paper); border-color: var(--on-dark-line); }
.dark .flow-node .n { color: var(--bronze-lift); }

/* ---------- Maturité ---------- */

.maturity { border-top: 1px solid var(--border); }
.maturity-row {
  display: grid;
  grid-template-columns: 78px minmax(0,1.15fr) minmax(0,1.6fr);
  gap: clamp(16px, 3vw, 34px);
  align-items: baseline;
  padding: clamp(20px,2.6vw,28px) 0;
  border-bottom: 1px solid var(--border);
  transition: background .25s var(--ease);
}
.maturity-row:hover { background: var(--paper-alt); }
.maturity-lvl {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--bronze);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.maturity-row h4 { font-size: 1.0625rem; }
.maturity-row p { color: var(--muted); font-size: 0.9375rem; }
@media (max-width: 760px) {
  .maturity-row { grid-template-columns: 54px 1fr; row-gap: 8px; }
  .maturity-row p { grid-column: 2; }
}

/* ---------- Timeline phases ---------- */

.phases { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 24px; }
@media (max-width: 860px) { .phases { grid-template-columns: 1fr; } }
.phase {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: clamp(24px,3vw,32px);
  position: relative;
}
.phase-mark {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 18px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.phase-dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--cap, var(--bronze));
  flex: none;
}
.phase-when {
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-left: auto;
}
.phase h3 { font-size: 1.35rem; margin: 0; }

/* ---------- Article cards ---------- */

.article-card { padding: clamp(24px,3vw,32px); }
.article-cat {
  font-size: 0.6875rem;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 14px;
}
.article-card h3 { font-size: 1.1875rem; line-height: 1.25; margin-bottom: 12px; }

/* ---------- Contact / formulaire ---------- */

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 20px; }
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 8px; }
.field.wide { grid-column: 1 / -1; }
.field label {
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
}
.field .req { color: var(--bronze); }
.field input, .field select, .field textarea {
  padding: 13px 15px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r);
  background: var(--surface);
  font-size: 1rem;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
  width: 100%;
}
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--bronze);
  box-shadow: 0 0 0 3px rgba(168,124,63,.13);
}
.field-hint { font-size: 0.8125rem; color: var(--muted-2); }

.contact-aside {
  background: var(--ink-deep);
  color: var(--on-dark);
  border-radius: var(--r);
  padding: clamp(28px,3.4vw,38px);
}
.contact-aside h3 { color: var(--paper); }
.contact-list { margin-top: 26px; display: flex; flex-direction: column; gap: 0; }
.contact-list li { padding: 15px 0; border-bottom: 1px solid var(--on-dark-line); }
.contact-list li:last-child { border-bottom: none; }
.contact-list .k {
  font-size: 0.6875rem;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bronze-lift);
  margin-bottom: 6px;
}
.contact-list .v { color: var(--paper); font-size: 0.9688rem; }
.contact-list a.v:hover { color: var(--bronze-lift); }

/* ---------- FAQ ---------- */

.faq { border-top: 1px solid var(--border); max-width: 78ch; }
.faq details { border-bottom: 1px solid var(--border); }
.faq summary {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 26px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: clamp(1.0625rem, 1.7vw, 1.25rem);
  font-weight: 550;
  color: var(--ink);
  letter-spacing: -0.01em;
  transition: color .2s var(--ease);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--bronze); }
.faq summary .icon {
  flex: none;
  margin-left: auto;
  width: 22px; height: 22px;
  position: relative;
  margin-top: 4px;
}
.faq summary .icon::before,
.faq summary .icon::after {
  content: "";
  position: absolute;
  background: var(--bronze);
  transition: transform .28s var(--ease), opacity .28s var(--ease);
}
.faq summary .icon::before { top: 10px; left: 3px; width: 16px; height: 1.5px; }
.faq summary .icon::after  { left: 10px; top: 3px; height: 16px; width: 1.5px; }
.faq details[open] summary .icon::after { transform: scaleY(0); opacity: 0; }
.faq .answer { padding: 0 46px 28px 0; color: var(--muted); max-width: 68ch; }
.faq .answer p + p { margin-top: 12px; }

/* ---------- Bandeau CTA ---------- */

.cta-band { background: var(--ink); color: var(--on-dark); text-align: center; }
.cta-band h2 { color: var(--paper); max-width: 22ch; margin-inline: auto; }
.cta-band .lede { color: var(--on-dark); margin: 20px auto 0; }
.cta-band .btn-row { justify-content: center; margin-top: 36px; }

/* ---------- Footer ---------- */

.footer { background: var(--ink-deep); color: var(--on-dark-mute); padding-block: clamp(60px,7vw,88px) 32px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.7fr repeat(3, 1fr);
  gap: clamp(30px,4vw,52px);
  padding-bottom: 52px;
  border-bottom: 1px solid var(--on-dark-line);
}
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.footer .brand-text { color: var(--paper); }
.footer .brand-text small { color: var(--on-dark-mute); }
.footer-about { margin-top: 20px; font-size: 0.9375rem; color: var(--on-dark-mute); max-width: 34ch; line-height: 1.6; }
.footer-loc {
  margin-top: 16px;
  font-size: 0.8125rem;
  letter-spacing: .05em;
  color: var(--on-dark-mute);
}
.footer h4 {
  color: var(--bronze-lift);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.footer-col li { margin-bottom: 12px; }
.footer-col a { font-size: 0.9375rem; color: var(--on-dark-mute); transition: color .2s var(--ease); }
.footer-col a:hover { color: var(--bronze-lift); }
.footer-bottom {
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.8125rem;
  color: rgba(251,250,247,.42);
}
.footer-bottom a { color: rgba(251,250,247,.55); }
.footer-bottom a:hover { color: var(--bronze-lift); }
.footer-legal { display: flex; gap: 22px; flex-wrap: wrap; }

/* ---------- Prose (pages légales) ---------- */

.prose { max-width: var(--measure); }
.prose h2 { font-size: clamp(1.4rem,2.4vw,1.85rem); margin-top: 48px; margin-bottom: 16px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 1.15rem; margin-top: 32px; margin-bottom: 12px; }
.prose p { color: var(--muted); margin-bottom: 14px; }
.prose a { color: var(--bronze); border-bottom: 1px solid var(--bronze-pale); }
.prose a:hover { border-color: var(--bronze); }
.prose ul { margin: 0 0 16px; display: flex; flex-direction: column; gap: 9px; }
.prose ul li { position: relative; padding-left: 20px; color: var(--muted); }
.prose ul li::before { content: ""; position: absolute; left: 0; top: .68em; width: 9px; height: 1px; background: var(--bronze); }
.prose .placeholder {
  background: #FBF6EC;
  border: 1px dashed var(--bronze-pale);
  border-radius: var(--r);
  padding: 16px 18px;
  font-size: 0.9063rem;
  color: var(--bronze);
  margin-bottom: 16px;
}

/* ---------- Centrage utilitaire ---------- */

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.center { text-align: center; }
.center .eyebrow { justify-content: center; }
.center .lede { margin-inline: auto; }
.mt-40 { margin-top: 40px; }
.mt-56 { margin-top: 56px; }
.narrow { max-width: 860px; margin-inline: auto; }
.text-muted { color: var(--muted); }
.small { font-size: 0.875rem; }

/* ---------- Reveal ---------- */

.reveal { opacity: 0; transform: translateY(16px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ---------- Tableaux ---------- */

.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--r); }
table.data { width: 100%; border-collapse: collapse; background: var(--surface); min-width: 640px; }
table.data th {
  background: var(--ink);
  color: var(--paper);
  text-align: left;
  padding: 15px 18px;
  font-size: 0.6875rem;
  font-weight: 650;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}
table.data td { padding: 15px 18px; border-bottom: 1px solid var(--border); font-size: 0.9375rem; color: var(--muted); vertical-align: top; }
table.data td:first-child { color: var(--ink); font-weight: 550; }
table.data tr:last-child td { border-bottom: none; }

/* =========================================================
   Applications interactives (diagnostic / cadrage)
   ========================================================= */

.app-shell { max-width: 940px; margin-inline: auto; }

.app-progress { margin-bottom: 40px; }
.app-progress-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 12px;
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.app-progress-meta .step-name { color: var(--bronze); }
.app-progress-track { height: 3px; background: var(--paper-alt); border-radius: 2px; overflow: hidden; }
.app-progress-fill { height: 100%; background: var(--bronze); width: 0; transition: width .45s var(--ease); }

.q-block { display: none; }
.q-block.active { display: block; animation: qIn .4s var(--ease); }
@keyframes qIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

.q-section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  color: var(--ink);
  letter-spacing: -0.018em;
  margin-bottom: 8px;
}
.q-section-sub { color: var(--muted); margin-bottom: 36px; max-width: 60ch; }

.q-item { margin-bottom: 40px; }
.q-item:last-of-type { margin-bottom: 0; }
.q-text {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
  line-height: 1.45;
}
.q-help { font-size: 0.875rem; color: var(--muted-2); margin-bottom: 18px; }

.opts { display: flex; flex-direction: column; gap: 10px; }
.opt {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: var(--r);
  background: var(--surface);
  cursor: pointer;
  transition: border-color .2s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease);
}
.opt:hover { border-color: var(--bronze-pale); background: #FEFDFB; }
.opt input { position: absolute; opacity: 0; pointer-events: none; }
.opt .box {
  flex: none;
  width: 19px; height: 19px;
  border: 1.5px solid var(--border-strong);
  border-radius: 50%;
  margin-top: 2px;
  position: relative;
  transition: border-color .2s var(--ease);
}
.opt.check .box { border-radius: 3px; }
.opt .box::after {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--bronze);
  transform: scale(0);
  transition: transform .2s var(--ease);
}
.opt.check .box::after { border-radius: 1px; inset: 2px; }
.opt:has(input:checked) { border-color: var(--bronze); background: #FDFAF4; box-shadow: 0 0 0 1px var(--bronze); }
.opt:has(input:checked) .box { border-color: var(--bronze); }
.opt:has(input:checked) .box::after { transform: scale(1); }
.opt-body { flex: 1; min-width: 0; }
.opt-label { font-size: 0.9688rem; font-weight: 550; color: var(--ink); line-height: 1.4; }
.opt-desc { font-size: 0.875rem; color: var(--muted); margin-top: 4px; line-height: 1.45; }

.app-nav {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.app-nav .spacer { margin-left: auto; }
.app-error {
  color: #A3341F;
  font-size: 0.9063rem;
  font-weight: 550;
  margin-top: 14px;
  display: none;
}
.app-error.show { display: block; }

/* Résultats */
.result-hero {
  background: var(--ink-deep);
  color: var(--on-dark);
  border-radius: var(--r);
  padding: clamp(32px,4.4vw,52px);
  margin-bottom: 32px;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.result-hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(60ch 40ch at 88% 0%, rgba(168,124,63,.22), transparent 62%);
}
.result-level {
  font-family: var(--font-display);
  font-size: clamp(3.6rem, 9vw, 6rem);
  font-weight: 500;
  color: var(--paper);
  line-height: .95;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}
.result-level .of { color: var(--on-dark-mute); font-size: .38em; letter-spacing: 0; }
.result-name {
  font-family: var(--font-display);
  font-size: clamp(1.4rem,2.6vw,1.95rem);
  color: var(--bronze-lift);
  margin-top: 14px;
  font-style: italic;
}
.result-desc { margin-top: 20px; color: var(--on-dark); max-width: 58ch; }

.result-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: clamp(26px,3.2vw,36px);
  margin-bottom: 24px;
}
.result-block h3 { margin-bottom: 8px; }
.result-block > p.text-muted { margin-bottom: 26px; }

.score-row { margin-bottom: 20px; }
.score-row:last-child { margin-bottom: 0; }
.score-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 8px;
}
.score-name { font-size: 0.9375rem; font-weight: 550; color: var(--ink); display: flex; align-items: center; gap: 9px; }
.score-swatch { width: 9px; height: 9px; border-radius: 2px; flex: none; background: var(--cap, var(--bronze)); }
.score-val {
  font-family: var(--font-display);
  font-size: 0.9688rem;
  font-weight: 600;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  flex: none;
}
.score-track { height: 7px; background: var(--paper-alt); border-radius: 4px; overflow: hidden; position: relative; }
.score-fill {
  height: 100%;
  background: var(--cap, var(--bronze));
  border-radius: 0 4px 4px 0;
  width: 0;
  transition: width .9s var(--ease);
}

.reco-list { display: flex; flex-direction: column; gap: 18px; }
.reco {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}
.reco:last-child { border-bottom: none; padding-bottom: 0; }
.reco-num {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  color: var(--bronze);
  font-variant-numeric: tabular-nums;
}
.reco h4 { margin-bottom: 5px; }
.reco p { font-size: 0.9375rem; color: var(--muted); }

.summary-table { width: 100%; border-collapse: collapse; }
.summary-table th, .summary-table td {
  text-align: left;
  padding: 11px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9063rem;
  vertical-align: top;
}
.summary-table th { color: var(--muted-2); font-weight: 600; width: 42%; font-size: 0.8125rem; letter-spacing: .04em; }
.summary-table td { color: var(--ink); }
.summary-table tr:last-child th, .summary-table tr:last-child td { border-bottom: none; }

@media print {
  .nav, .footer, .app-nav, .cta-band, .no-print { display: none !important; }
  body { background: #fff; }
  .result-hero { background: #fff; color: #000; border: 1px solid #ccc; }
  .result-level, .result-name { color: #000; }
  .result-desc { color: #333; }
}