/* ===================================================================
   Institut Vidocq — Design system
   Source of truth: Claude Design handoff (design_handoff_site_web)
   Aesthetic: dossier d'archives / renseignement — ivoire jamais blanc,
   vert Vidocq d'autorité, sépia documentaire, rouge tampon exceptionnel.
   Cormorant Garamond (display) · Newsreader (texte) · JetBrains Mono (archive)
   Anguleux, sans ombres, séparé par des filets.
   =================================================================== */

:root {
  /* ── Vert Vidocq (logo) ── */
  --vidocq-900: oklch(0.22 0.035 165);
  --vidocq-800: oklch(0.30 0.04 165);
  --vidocq-700: oklch(0.40 0.045 165);
  --vidocq-500: oklch(0.55 0.04 165);
  --vidocq-200: oklch(0.85 0.025 160);
  --vidocq-100: oklch(0.93 0.018 155);
  --vidocq-50:  oklch(0.97 0.012 150);

  /* ── Papier ivoire (jamais blanc pur) ── */
  --paper:      oklch(0.975 0.012 85);
  --paper-warm: oklch(0.955 0.018 80);
  --paper-edge: oklch(0.92 0.022 78);

  /* ── Sépia / ocre ── */
  --sepia-900:  oklch(0.32 0.06 60);
  --sepia-700:  oklch(0.48 0.09 65);
  --sepia-500:  oklch(0.65 0.11 70);
  --sepia-200:  oklch(0.85 0.06 75);

  /* ── Rouge tampon (exceptionnel) ── */
  --stamp-red:  oklch(0.48 0.13 25);

  /* ── Neutres ── */
  --ink:        oklch(0.18 0.01 80);
  --ink-soft:   oklch(0.35 0.012 80);
  --ink-mute:   oklch(0.55 0.015 80);
  --rule:       oklch(0.82 0.015 78);
  --rule-soft:  oklch(0.90 0.012 78);

  /* ── Typographie ── */
  --font-display: "Cormorant Garamond", "Times New Roman", serif;
  --font-text:    "Newsreader", "Iowan Old Style", "Times New Roman", serif;
  --font-mono:    "JetBrains Mono", "Courier New", monospace;

  --gutter: 32px;
  --pad-x: 64px;
  --maxw: 1440px;
  --transition: 150ms ease;
}

/* ===== RESET ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-text);
  font-optical-sizing: auto;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; transition: color var(--transition), background var(--transition); }
em { font-style: italic; }

.skip-link { position: absolute; left: -999px; top: 0; z-index: 2000; background: var(--vidocq-800); color: var(--paper); padding: 0.6rem 1rem; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; }
.skip-link:focus { left: 1rem; top: 1rem; }

/* ===== UTILITAIRES (tokens.css) ===== */
.iv-mono { font-family: var(--font-mono); letter-spacing: 0.16em; text-transform: uppercase; }
.iv-display { font-family: var(--font-display); font-weight: 500; letter-spacing: -0.01em; line-height: 0.98; }
.iv-serif { font-family: var(--font-text); font-optical-sizing: auto; }
.iv-cote { font-family: var(--font-mono); font-size: 11px; color: var(--ink-mute); letter-spacing: 0.16em; text-transform: uppercase; }
.iv-rule { border: 0; border-top: 1px solid var(--ink); margin: 0; }
.iv-rule-thick { border-top-width: 2px; }

.iv-stamp {
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px;
  border: 1.5px solid var(--stamp-red); color: var(--stamp-red);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  transform: rotate(-2deg);
}

.iv-img-placeholder {
  background:
    repeating-linear-gradient(135deg, transparent 0, transparent 9px,
      oklch(0.88 0.04 75 / 0.4) 9px, oklch(0.88 0.04 75 / 0.4) 10px),
    var(--paper-warm);
  border: 1px solid var(--rule);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-mute); font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.15em; text-transform: uppercase; text-align: center; padding: 1rem;
}

/* ===== SCEAU (logo PNG recoloré via filter) ===== */
.iv-seal { display: block; }
.iv-seal.light { filter: brightness(0) invert(1); }
.iv-seal.dark  { filter: brightness(0); }

/* ===== LAYOUT ===== */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad-x); }
.section { padding: 64px 0; border-bottom: 1px solid var(--ink); }

/* ===== TOP BAR ===== */
.topbar {
  border-bottom: 1px solid var(--rule);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-mute);
}
.topbar .wrap { display: flex; justify-content: space-between; align-items: center; padding-top: 20px; padding-bottom: 20px; gap: 1rem; }
.topbar a { color: var(--ink-mute); }
.topbar .topbar-cta { color: var(--vidocq-800); }
.topbar .topbar-cta:hover { color: var(--vidocq-900); }

/* ===== HEADER + NAV ===== */
.siteheader { border-bottom: 2px solid var(--ink); background: var(--paper); position: sticky; top: 0; z-index: 1000; }
.siteheader .wrap { display: flex; justify-content: space-between; align-items: center; padding-top: 22px; padding-bottom: 22px; }

.lockup { display: flex; align-items: center; gap: 16px; color: var(--vidocq-800); }
.lockup .iv-seal { width: 52px; height: 52px; }
.lockup-text { display: flex; flex-direction: column; line-height: 1; gap: 4px; }
.lockup-name { font-family: var(--font-display); font-weight: 600; font-size: 24px; letter-spacing: 0.01em; color: inherit; }
.lockup-name em { font-style: italic; font-weight: 500; }
.lockup-baseline { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-mute); }

.mainnav { display: flex; gap: 32px; align-items: center; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; }
.mainnav a { color: var(--ink); position: relative; padding-bottom: 2px; }
.mainnav a:hover { color: var(--vidocq-800); }
.mainnav a.active { color: var(--vidocq-800); border-bottom: 1px solid var(--vidocq-800); }
.mainnav a.nav-cta { color: var(--vidocq-800); border-bottom: 1px solid var(--vidocq-800); }
.mainnav a.nav-lang { color: var(--ink-mute); border: 1px solid var(--rule); padding: 5px 10px; }
.mainnav a.nav-lang:hover { color: var(--vidocq-800); border-color: var(--vidocq-800); }

.nav-toggle { display: none; background: none; border: 1px solid var(--ink); padding: 8px 10px; cursor: pointer; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink); }

/* ===== HERO (accueil) ===== */
.hero { border-bottom: 1px solid var(--ink); }
.hero .wrap { padding-top: 80px; padding-bottom: 64px; display: grid; grid-template-columns: 1.4fr 1fr; gap: 64px; align-items: end; }
.hero h1 { font-size: clamp(48px, 6.6vw, 96px); line-height: 0.95; color: var(--vidocq-900); margin-top: 24px; font-weight: 500; text-wrap: balance; }
.hero h1 em { font-style: italic; }
.hero-lead { font-size: 22px; line-height: 1.45; margin-top: 32px; max-width: 640px; color: var(--ink-soft); }
.hero-actions { margin-top: 36px; display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.hero-figure { min-height: 460px; }
.hero-figure .iv-img-placeholder { height: 460px; }

/* ===== PAGE COVER (pages internes) ===== */
.cover { border-bottom: 1px solid var(--ink); }
.cover .wrap { padding-top: 72px; padding-bottom: 48px; }
.cover .label { color: var(--vidocq-800); font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; margin-bottom: 18px; }
.cover h1 { font-family: var(--font-display); font-weight: 500; font-size: clamp(40px, 5.5vw, 84px); line-height: 0.96; color: var(--vidocq-900); letter-spacing: -0.01em; text-wrap: balance; }
.cover h1 em { font-style: italic; }
.cover-lead { font-size: 22px; line-height: 1.45; margin-top: 28px; color: var(--ink-soft); max-width: 720px; }
.cover-meta { margin-top: 22px; display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }

/* ===== BOUTONS ===== */
.btn {
  font-family: var(--font-mono); letter-spacing: 0.18em; text-transform: uppercase;
  cursor: pointer; display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 24px; font-size: 12px; border: 1px solid var(--vidocq-800); background: var(--vidocq-800); color: var(--paper);
}
.btn:hover { background: var(--vidocq-900); border-color: var(--vidocq-900); }
.btn.ghost { background: transparent; color: var(--vidocq-800); }
.btn.ghost:hover { background: var(--vidocq-800); color: var(--paper); }
.btn.light { background: var(--paper); color: var(--vidocq-800); border-color: var(--paper); }
.btn.light:hover { background: var(--paper-warm); }
.btn.sm { padding: 9px 16px; font-size: 11px; }

/* ===== RULE ROW (filet + libellés mono) ===== */
.rulerow { display: flex; justify-content: space-between; align-items: baseline; border-top: 1px solid var(--ink); padding-top: 8px; gap: 16px; }
.rulerow.thick { border-top-width: 2px; border-color: var(--vidocq-800); }
.rulerow span { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; }
.rulerow .l { color: var(--vidocq-800); }
.rulerow .r { color: var(--ink-mute); }

/* ===== SECTION HEADING ===== */
.section-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 36px; gap: 1rem; flex-wrap: wrap; }
.section-head h2 { font-family: var(--font-display); font-weight: 500; font-size: clamp(30px, 3.6vw, 40px); color: var(--vidocq-900); letter-spacing: -0.01em; }
.section-head .iv-cote a, .section-head a.iv-cote { color: var(--vidocq-800); }

/* ===== CARTES (séparées par filets) ===== */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.card-grid.two { grid-template-columns: repeat(2, 1fr); }
.card { background: var(--paper); padding: 32px; display: flex; flex-direction: column; gap: 18px; min-height: 320px; }
.card h3 { font-family: var(--font-display); font-weight: 500; font-size: 28px; line-height: 1.05; color: var(--vidocq-900); }
.card p { font-size: 16px; line-height: 1.55; color: var(--ink-soft); flex: 1; }
.card .more { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--vidocq-800); display: inline-flex; gap: 8px; align-items: center; }
.card a.card-link { display: flex; flex-direction: column; gap: 18px; height: 100%; color: inherit; }
.card a.card-link:hover h3 { color: var(--vidocq-700); }
.card a.card-link:hover .more { gap: 14px; }
.card .stamp-row { display: flex; align-items: center; gap: 12px; }

/* priorité (recherche) */
.card .prio { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--stamp-red); border: 1px solid var(--stamp-red); padding: 2px 7px; align-self: flex-start; }

/* statut publication */
.tag { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; padding: 2px 8px; border: 1px solid var(--rule); color: var(--ink-mute); }
.tag.available { color: var(--vidocq-800); border-color: var(--vidocq-500); }
.tag.coming { color: var(--sepia-700); border-color: var(--sepia-500); }
.card .byline { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-mute); }

/* ===== BANDEAU INSTITUTIONNEL SOMBRE ===== */
.band { background: var(--vidocq-900); color: var(--paper); border-bottom: 1px solid var(--ink); }
.band .wrap { padding-top: 72px; padding-bottom: 72px; display: grid; grid-template-columns: 1fr 1.3fr; gap: 80px; align-items: center; }
.band .iv-seal { width: 132px; height: 132px; }
.band-prog { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; margin-top: 24px; opacity: 0.7; }
.band h2 { font-family: var(--font-display); font-weight: 500; font-size: clamp(40px, 5vw, 64px); line-height: 1; color: var(--paper); letter-spacing: -0.01em; }
.band h2 em { font-style: italic; }
.band p { font-size: 18px; line-height: 1.55; margin-top: 28px; max-width: 620px; opacity: 0.85; }
.keyfigures { display: flex; gap: 40px; margin-top: 40px; flex-wrap: wrap; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; }
.keyfigures .num { font-family: var(--font-display); font-size: 56px; line-height: 1; margin-bottom: 6px; }

/* ===== FOOTER ===== */
.sitefooter { border-top: 2px solid var(--ink); }
.sitefooter .wrap { padding-top: 48px; padding-bottom: 48px; display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; flex-wrap: wrap; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-mute); }
.sitefooter a { color: var(--ink-mute); }
.sitefooter a:hover { color: var(--vidocq-800); }

/* ===== BREADCRUMB (mono) ===== */
.crumb { border-bottom: 1px solid var(--rule); }
.crumb .wrap { padding-top: 14px; padding-bottom: 14px; }
.crumb ol { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-mute); }
.crumb li { display: flex; gap: 10px; align-items: center; }
.crumb li:not(:last-child)::after { content: "·"; color: var(--rule); }
.crumb a { color: var(--vidocq-800); }
.crumb li[aria-current] { color: var(--ink); }

/* ===== PROSE (lecture longue Newsreader) ===== */
.prose { max-width: 720px; font-size: 18px; line-height: 1.65; color: var(--ink); }
.prose.center { margin: 0 auto; }
.prose > p { margin-bottom: 22px; }
.prose p.lead { font-size: 22px; line-height: 1.45; color: var(--vidocq-900); margin-bottom: 28px; }
.prose h2 { font-family: var(--font-display); font-weight: 500; font-size: clamp(28px, 3.4vw, 36px); color: var(--vidocq-900); margin: 44px 0 18px; letter-spacing: -0.01em; }
.prose h3 { font-family: var(--font-display); font-weight: 600; font-size: 24px; color: var(--vidocq-900); margin: 28px 0 8px; }
.prose a { color: var(--vidocq-800); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--vidocq-500); }
.prose a:hover { color: var(--vidocq-900); }
.prose ul.bullets { margin: 0 0 22px 0; }
.prose ul.bullets li { position: relative; padding-left: 24px; margin-bottom: 12px; line-height: 1.6; }
.prose ul.bullets li::before { content: ""; position: absolute; left: 0; top: 0.7em; width: 8px; height: 1px; background: var(--vidocq-800); }
.prose .dropcap::first-letter {
  float: left; font-family: var(--font-display); font-size: 88px; line-height: 0.78;
  font-weight: 500; margin: 8px 14px 0 0; color: var(--vidocq-800);
}
.prose blockquote {
  margin: 40px 0; padding: 28px 32px; border-left: 3px solid var(--vidocq-800); background: var(--paper-warm);
  font-family: var(--font-display); font-size: 30px; line-height: 1.25; color: var(--vidocq-900); font-weight: 500; font-style: italic;
}
.encadre { margin: 32px 0; padding: 24px; border: 1px solid var(--rule); background: var(--paper-warm); }
.encadre h4 { font-family: var(--font-display); font-weight: 500; font-size: 22px; color: var(--vidocq-900); margin: 10px 0 8px; }
.encadre p { font-size: 15px; line-height: 1.55; color: var(--ink-soft); margin: 0; }

/* ===== INTERNAL LINKS ROW ===== */
.internal-links { display: flex; flex-wrap: wrap; gap: 28px; margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--rule); }
.internal-link { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--vidocq-800); display: inline-flex; gap: 8px; align-items: center; }
.internal-link:hover { color: var(--vidocq-900); gap: 12px; }

/* ===== AUTHOR / PRESIDENT ===== */
.author-grid { display: grid; grid-template-columns: 220px 1fr; gap: 56px; align-items: start; }
.author-portrait .iv-img-placeholder { height: 280px; }
.author-name { font-family: var(--font-display); font-weight: 500; font-size: 40px; color: var(--vidocq-900); line-height: 1; }
.author-role { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--vidocq-800); margin: 10px 0 24px; }
.author-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.author-tags span { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-mute); border: 1px solid var(--rule); padding: 4px 9px; }
.author-links { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 24px; }

/* ===== FAQ ===== */
.faq-list { max-width: 860px; }
.faq-item { border-top: 1px solid var(--rule); }
.faq-item:last-child { border-bottom: 1px solid var(--rule); }
.faq-q { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; width: 100%; background: none; border: none; cursor: pointer; text-align: left; padding: 22px 0; font-family: var(--font-display); font-weight: 500; font-size: 26px; color: var(--vidocq-900); }
.faq-q:hover { color: var(--vidocq-700); }
.faq-q .pm { font-family: var(--font-mono); font-size: 18px; color: var(--vidocq-800); flex-shrink: 0; transition: transform var(--transition); }
.faq-item.open .faq-q .pm { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-item.open .faq-a { max-height: 460px; }
.faq-a p { font-size: 17px; line-height: 1.7; color: var(--ink-soft); padding-bottom: 24px; max-width: 760px; }
.faq-a a { color: var(--vidocq-800); text-decoration: underline; }

/* ===== CONTACT ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.contact-block h2 { font-family: var(--font-display); font-weight: 500; font-size: 28px; color: var(--vidocq-900); margin-bottom: 20px; }
.contact-email { font-family: var(--font-display); font-size: 26px; color: var(--vidocq-800); display: inline-block; margin-bottom: 28px; }
.contact-email:hover { color: var(--vidocq-900); }
.contact-list { display: flex; flex-direction: column; gap: 12px; }
.contact-list a { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-soft); }
.contact-list a:hover { color: var(--vidocq-800); }
.contact-address { font-size: 16px; line-height: 1.9; color: var(--ink-soft); }

/* ===== ERROR ===== */
.error-page { min-height: 70vh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 4rem 1.5rem; }
.error-page .code { font-family: var(--font-display); font-weight: 500; font-size: clamp(80px, 16vw, 160px); color: var(--vidocq-800); line-height: 1; }
.error-page h1 { font-family: var(--font-display); font-weight: 500; font-size: 32px; color: var(--vidocq-900); margin: 0.5rem 0 1rem; }
.error-page p { color: var(--ink-soft); max-width: 460px; margin-bottom: 2rem; }

/* ===== MOBILE NAV PANEL ===== */
.mainnav.open { display: flex; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  :root { --pad-x: 40px; }
  .hero .wrap { grid-template-columns: 1fr; gap: 40px; }
  .hero-figure { order: -1; }
  .hero-figure .iv-img-placeholder { height: 320px; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .band .wrap { grid-template-columns: 1fr; gap: 40px; }
  .author-grid { grid-template-columns: 1fr; gap: 32px; }
  .author-portrait .iv-img-placeholder { max-width: 320px; }

  .nav-toggle { display: inline-flex; }
  .mainnav {
    display: none; position: fixed; top: 0; right: 0; height: 100vh; width: 280px; max-width: 86vw;
    background: var(--paper); border-left: 2px solid var(--ink); flex-direction: column; align-items: flex-start;
    gap: 0; padding: 88px 28px 28px; z-index: 1500; overflow-y: auto;
  }
  .mainnav a { width: 100%; padding: 16px 0; border-bottom: 1px solid var(--rule-soft); }
  .mainnav a.active, .mainnav a.nav-cta { border-bottom: 1px solid var(--rule-soft); }
  .mainnav a.nav-lang { width: fit-content; margin-top: 16px; padding: 8px 12px; }
  .nav-toggle { position: relative; z-index: 1600; }
}
@media (max-width: 640px) {
  :root { --pad-x: 24px; }
  .topbar .wrap { font-size: 9.5px; letter-spacing: 0.12em; gap: 0.5rem; }
  .topbar .topbar-center { display: none; }
  .lockup .iv-seal { width: 42px; height: 42px; }
  .lockup-name { font-size: 20px; }
  .section { padding: 48px 0; }
  .hero .wrap { padding-top: 48px; padding-bottom: 48px; }
  .hero-lead, .cover-lead { font-size: 18px; }
  .card-grid, .card-grid.two { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .keyfigures { gap: 28px; }
  .keyfigures .num { font-size: 44px; }
  .prose { font-size: 17px; }
  .prose .dropcap::first-letter { font-size: 68px; }
  .prose blockquote { font-size: 24px; padding: 22px 24px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }