@charset "UTF-8";

/*
DIRECTION: réseau de lignes (signalétique ferroviaire belge SNCB/STIB).
Veden = ligne directe (un seul opérateur, point A → B). DFD Interactive =
correspondance vers une seconde ligne (l'équipe). Toute la couleur saturée
vit sur la ligne signature ; le reste est neutre, encre et hairlines grises.
Voir le contrat de direction en tête de index.html et articles.html.
*/

/* ---- Polices ---- */
@font-face { font-family:'Public Sans'; font-style:normal; font-weight:400; font-display:swap; src:url(assets/fonts/public-sans-400.woff2) format('woff2'); }
@font-face { font-family:'Public Sans'; font-style:normal; font-weight:500; font-display:swap; src:url(assets/fonts/public-sans-500.woff2) format('woff2'); }
@font-face { font-family:'Public Sans'; font-style:normal; font-weight:700; font-display:swap; src:url(assets/fonts/public-sans-700.woff2) format('woff2'); }
@font-face { font-family:'Archivo'; font-style:normal; font-weight:500; font-display:swap; src:url(assets/fonts/archivo-500.woff2) format('woff2'); }
@font-face { font-family:'Archivo'; font-style:normal; font-weight:600; font-display:swap; src:url(assets/fonts/archivo-600.woff2) format('woff2'); }
@font-face { font-family:'Red Hat Mono'; font-style:normal; font-weight:500; font-display:swap; src:url(assets/fonts/red-hat-mono-500.woff2) format('woff2'); }
/* Polices de repli aux métriques calées sur les vraies : la permutation ne déplace rien */
@font-face { font-family:'Public Sans Fallback'; font-weight:400; src:local('Arial'); size-adjust:101.7%; ascent-override:93.8%; descent-override:23.5%; line-gap-override:0%; }
@font-face { font-family:'Public Sans Fallback'; font-weight:500; src:local('Arial'); size-adjust:102.9%; ascent-override:92.5%; descent-override:23.2%; line-gap-override:0%; }
@font-face { font-family:'Public Sans Fallback'; font-weight:700; src:local('Arial Bold'),local('Arial-BoldMT'); size-adjust:103.4%; ascent-override:92.1%; descent-override:23.1%; line-gap-override:0%; }
@font-face { font-family:'Archivo Fallback'; font-weight:600; src:local('Arial Bold'),local('Arial-BoldMT'); size-adjust:99.5%; ascent-override:99.4%; descent-override:22.6%; line-gap-override:0%; }
@font-face { font-family:'Red Hat Mono Fallback'; font-weight:500; src:local('Consolas'),local('Courier New'); size-adjust:107%; ascent-override:82%; descent-override:22%; line-gap-override:0%; }

/* ---- Variables et base ---- */
:root {
  --paper:#eef1ef; --paper-raised:#f7f9f7; --ink:#12181a; --muted:#5b6560; --line:#d3dad4;
  --signal:#293fd6;   /* ligne Veden — une seule couleur saturée, portée à l'échelle de la page */
  --signal-ink:#1c2b99;
  --signal-tint:#e2e6fb;
  --correspondance:#b8763a; /* ligne DFD Interactive — plus sourde, jamais dominante */
  --correspondance-ink:#7a4c22; /* variante foncée, seule utilisée pour du texte (contraste AA) */
  --correspondance-tint:#f3e6d7;
  --dark:#12161c; --dark-line:#2a323b;
  --display:'Archivo','Archivo Fallback',Arial,sans-serif;
  --mono:'Red Hat Mono','Red Hat Mono Fallback','Consolas',monospace;
}
* { box-sizing:border-box; }
body { margin:0; background:var(--paper); color:var(--ink); font-family:'Public Sans','Public Sans Fallback',Arial,sans-serif; -webkit-font-smoothing:antialiased; }
a { color:inherit; text-decoration:none; }
button { font:inherit; }
a,button,summary { -webkit-tap-highlight-color:transparent; }
a:focus-visible,button:focus-visible,summary:focus-visible { outline:2px solid var(--signal); outline-offset:6px; }
::selection { background:var(--signal-tint); color:var(--signal-ink); }
.wrap { max-width:1320px; margin-inline:auto; padding-inline:64px; }
.skip-link { position:fixed; top:8px; left:8px; z-index:10; background:var(--ink); color:white; padding:14px; transform:translateY(-150%); }
.skip-link:focus { transform:translateY(0); }
.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; }
.icon { width:18px; height:18px; flex-shrink:0; vertical-align:middle; }
.mono { font-family:var(--mono); }
html { scroll-behavior:smooth; scroll-padding-top:30px; scrollbar-color:var(--signal) var(--paper); }
h2 { font-family:var(--display); font-weight:600; font-size:42px; line-height:1.15; letter-spacing:-.015em; margin:24px 0 0; }
h3 { font-family:var(--display); font-size:20px; letter-spacing:-.01em; font-weight:600; margin:0 0 13px; }
.line-label { display:inline-block; font-family:var(--mono); font-weight:500; font-size:24px; letter-spacing:0; color:var(--muted); }
h2 .line-label { font-size:22px; }
.contact h2 .line-label { font-size:26px; }

/* ---- Plaque de ligne (badge diégétique — remplace l'eyebrow générique) ---- */
.line-plate { display:inline-flex; align-items:center; gap:10px; }
.line-num { display:inline-grid; place-items:center; width:26px; height:26px; border-radius:50%; background:var(--signal); color:#fff; font-family:var(--display); font-weight:600; font-size:13px; flex-shrink:0; }
.line-num.correspondance { background:var(--correspondance); }
.line-plate span:not(.line-num) { font-size:14px; color:var(--muted); }

/* ---- En-tête : ligne de navigation ---- */
.header { height:112px; display:flex; align-items:center; justify-content:space-between; }
.wordmark { display:inline-flex; align-items:center; gap:10px; font-family:var(--display); font-size:22px; font-weight:600; letter-spacing:-.01em; }
/* Symbole « portail en D » : l’arrêt de la ligne creusé d’une arche (den, l’antre) dont le creux dessine un D */
.wordmark::before { content:''; width:30px; height:30px; background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Cpath fill='%23293fd6' d='M10 29.75A15 15 0 1 1 22 29.75V17.5A8 8 0 0 0 14 9.5H12A2 2 0 0 0 10 11.5Z'/%3E%3C/svg%3E") center/contain no-repeat; flex-shrink:0; }
.brand-dot { color:var(--signal); margin-left:-10px; } /* annule le gap du wordmark : « veden. » d’un seul tenant */
.header nav { display:flex; align-items:center; gap:0; font-size:13px; position:relative; }
.header nav::before { content:''; position:absolute; left:0; right:100px; top:50%; height:2px; background:var(--line); z-index:0; }
.header nav>a { position:relative; padding:12px 20px; z-index:1; }
.header nav>a:not(.nav-contact)::before { content:''; position:absolute; left:8px; top:50%; width:7px; height:7px; margin-top:-4px; border-radius:50%; background:var(--paper); border:2px solid var(--muted); transition:background .2s,border-color .2s; }
.header nav>a:not(.nav-contact):hover::before { border-color:var(--signal); background:var(--signal); }
.nav-contact { margin-left:16px; padding:10px 18px!important; border-radius:20px; background:var(--ink); color:var(--paper); }
.nav-contact:hover { background:var(--signal-ink); }
.nav-contact span { margin-left:12px; }

/* ---- Hero : plan de réseau ---- */
.button { display:inline-flex; align-items:center; justify-content:center; gap:16px; padding:16px 22px; border-radius:8px; background:var(--signal); color:#fff; font-size:13px; font-weight:600; font-family:var(--display); transition:transform .2s,background .2s; }
.button:hover { background:var(--signal-ink); transform:translateY(-2px); }
.button:active { transform:translateY(0); }
.text-link { display:inline-flex; align-items:center; gap:10px; font-size:13px; font-weight:600; white-space:nowrap; }
.text-link:hover { color:var(--signal); }

.lost-art { margin-top:40px; max-width:760px; } /* page 404 : l’ancienne affiche de l’accueil */
.hero-art { position:relative; min-height:520px; border-radius:16px; background:var(--paper-raised); border:1px solid var(--line); isolation:isolate; }
.art-grid { position:absolute; inset:0; z-index:-1; border-radius:inherit; background-image:radial-gradient(#12181a10 .8px,transparent .8px); background-size:22px 22px; }
.art-topline { position:absolute; inset:24px 26px auto; display:flex; justify-content:space-between; align-items:center; color:var(--muted); font-size:12px; pointer-events:none; }
.art-topline>span:first-child { display:flex; align-items:center; gap:8px; }
.art-topline .line-plate span { font-size:12px; }
.art-topline .mono { font-size:12px; color:var(--muted); }
.poster-stage { position:absolute; inset:0; border-radius:inherit; overflow:hidden; cursor:crosshair; touch-action:pan-y; }
.poster-stage.over { cursor:grab; }
.poster-stage.holding { cursor:grabbing; }
.poster-stage:focus-visible { outline:2px solid var(--signal); outline-offset:-8px; }
.sculpture { position:absolute; inset:0; width:100%; height:auto; }
.type-canvas { position:absolute; inset:0; width:100%; height:100%; opacity:0; pointer-events:none; }
.type-poster.is-ready .type-canvas { opacity:1; }
.type-poster.is-ready .poster-fallback { visibility:hidden; }
.art-caption { position:absolute; left:29px; right:27px; bottom:31px; display:flex; justify-content:space-between; align-items:center; color:var(--muted); font-size:13px; line-height:1.65; pointer-events:none; }
.art-caption strong { font-weight:600; color:var(--ink); font-family:var(--display); }
.type-poster:not(.is-ready) .art-hint { display:none; }
.art-seal { display:flex; align-items:center; justify-content:center; width:40px; height:40px; padding:0; border:1px solid var(--line); border-radius:50%; background:var(--paper); color:var(--signal); cursor:pointer; pointer-events:auto; transition:transform .3s,border-color .2s; }
.art-seal:hover { border-color:var(--signal); transform:rotate(-40deg); }
.art-seal[hidden] { display:none; }
.art-seal:focus-visible { outline-color:var(--signal); }
.floating-label { position:absolute; left:-31px; top:34%; display:flex; align-items:center; gap:9px; padding:12px 16px; background:#fff; color:var(--ink); border-radius:8px; box-shadow:0 10px 18px -8px #12181a3d; font-size:12px; font-weight:600; pointer-events:none; }
.label-icon { display:inline-grid; place-items:center; width:20px; height:20px; border-radius:50%; background:var(--signal-tint); color:var(--signal-ink); font-size:12px; }

/* ---- Bandeau de correspondance (ex. promise-strip) : trois arrêts du process ---- */

/* ---- Sections ---- */
.section { padding-top:96px; padding-bottom:96px; }
.section-heading h2 { margin-top:0; }

/* ---- Expertises : fiches d'arrêt sur une ligne verticale ---- */

/* ---- À propos ---- */

/* ---- Contact ---- */
.contact { padding-top:92px; padding-bottom:92px; }
.contact-main { display:grid; grid-template-columns:1fr 1fr; gap:70px; align-items:end; }
.contact h2 { font-size:64px; margin:25px 0 0; letter-spacing:-.015em; }
.contact-copy>p { max-width:340px; color:var(--muted); font-size:16px; line-height:1.75; margin:0 0 25px; }
.email { font-family:var(--display); font-weight:600; font-size:26px; letter-spacing:-.01em; display:flex; justify-content:space-between; border-bottom:2px solid var(--ink); padding-bottom:14px; max-width:420px; }
.email:hover { color:var(--signal); border-color:var(--signal); }
.copy-email { border:0; background:none; color:var(--muted); padding:12px 0; cursor:pointer; font-size:12px; text-decoration:underline; text-underline-offset:3px; min-height:44px; }
.copy-status { display:block; font-size:12px; min-height:16px; color:var(--signal-ink); }
.email,.back-top { align-items:center; }
.copy-email:hover,.back-top:hover { color:var(--ink); }

/* ---- Pied de page ---- */
.footer { display:flex; flex-wrap:wrap; gap:18px 38px; align-items:center; padding-top:27px; padding-bottom:35px; border-top:1px solid var(--line); position:relative; }
.footer>.wordmark { font-size:17px; }
.footer>.wordmark::before { width:22px; height:22px; }
.footer>p { font-family:var(--mono); font-size:12px; line-height:1.9; color:var(--muted); margin:0; }
.footer details { font-size:12px; margin-left:auto; }
.footer summary { cursor:pointer; padding:12px 0; }
.legal>p:last-child { margin-bottom:0; }
.legal a { text-decoration:underline; }
.footer-links { order:9; flex-basis:100%; display:flex; flex-wrap:wrap; gap:6px 22px; font-size:12px; color:var(--muted); }
.footer-links a { padding:6px 0; }
.footer-links a:hover { color:var(--ink); }
.back-top { font-size:12px; color:var(--muted); padding:12px 0; display:inline-flex; gap:8px; }
.legal { position:absolute; bottom:94px; right:64px; max-width:350px; padding:26px; background:var(--paper-raised); border:1px solid var(--line); font-size:13px; line-height:1.8; z-index:3; }

@media (min-width:1300px) {
  .hero-art { min-height:530px; }
}

@media (max-width:1000px) {
  .wrap { padding-inline:36px; }
  h2,.about h2 { font-size:34px; }
  .header nav { gap:0; }
  .header nav::before { right:120px; }
  .contact h2 { font-size:54px; }
  .contact-main { gap:40px; }
  .email { font-size:23px; }
  .legal { right:36px; }
  .hero-art { min-height:460px; }
  .art-caption { bottom:24px; }
}

@media (max-width:700px) {
  .wrap { padding-inline:24px; }
  .header { height:88px; }
  .wordmark { font-size:19px; }
  .header nav>a:not(.nav-contact) { display:none; }
  .header nav::before { display:none; }
  .nav-contact span { margin-left:8px; }
  .section { padding-block:60px; }
  h2,.about h2 { font-size:34px; }
  .contact-main { grid-template-columns:1fr; gap:32px; }
  .contact-copy>p { margin-bottom:20px; }
  .email { max-width:none; font-size:26px; }
  .footer { flex-wrap:wrap; gap:20px 26px; padding-block:26px; }
  .footer>p { margin-left:auto; text-align:right; }
  .footer details { margin-left:0; }
  .back-top { margin-left:auto; }
  .legal { left:24px; right:24px; bottom:80px; max-width:none; }
  .contact h2 { font-size:clamp(36px,11.5vw,54px); }
  .footer summary,.back-top { min-height:44px; }
  .header nav { font-size:13px; }
  .hero-art { min-height:0; aspect-ratio:1 / 1.1; width:100%; max-width:520px; margin-inline:auto; }
  .floating-label { display:none; }
  .art-caption { left:26px; bottom:25px; }
}

/* ---- Articles : tableau d'affichage / départs ---- */
.articles-intro { max-width:620px; }
.articles-intro p { color:var(--muted); font-size:16px; line-height:1.8; margin-top:20px; }
.article-grid { margin-top:50px; border-top:1px solid var(--ink); }
.article-card { display:grid; grid-template-columns:104px 128px 1fr; align-items:start; gap:24px; padding:26px 0; border-bottom:1px solid var(--line); }
.article-card .stop-date { display:flex; flex-direction:column; gap:4px; font-family:var(--mono); font-size:13px; color:var(--muted); padding-top:2px; }
.article-card .stop-date .duration { font-size:11px; }
.article-card .article-meta { display:flex; align-items:flex-start; padding-top:1px; }
.ticket { display:inline-flex; align-items:center; gap:6px; padding:5px 10px 5px 6px; border-radius:2px 10px 10px 2px; font-family:var(--mono); font-size:11px; font-weight:500; position:relative; }
.ticket::before { content:''; width:8px; height:8px; border-radius:50%; flex-shrink:0; }
.tag-veden { background:var(--signal-tint); color:var(--signal-ink); }
.tag-veden::before { background:var(--signal); }
.tag-dfd { background:var(--correspondance-tint); color:var(--correspondance-ink); }
.tag-dfd::before { background:var(--correspondance); }
.article-card h2, .article-card h3 { margin:0 0 8px; font-size:19px; font-weight:600; line-height:1.35; }
.article-card h2 a:hover, .article-card h3 a:hover { color:var(--signal); }
.article-card p { font-size:14px; line-height:1.7; color:var(--muted); margin:0 0 14px; }
.article-card .text-link { font-size:12px; white-space:nowrap; }

/* ---- Article (page individuelle) ---- */
.article-hero { padding-top:60px; padding-bottom:0; }
.article-hero .article-meta { display:flex; gap:14px; align-items:center; font-family:var(--mono); font-size:12px; color:var(--muted); }
.article-hero h1 { margin:20px 0 0; font-family:var(--display); font-size:clamp(32px,4.2vw,50px); font-weight:600; line-height:1.15; letter-spacing:-.01em; max-width:820px; }
.article-lede { max-width:640px; margin:24px 0 0; font-size:17px; line-height:1.75; color:var(--muted); }
.article-body { max-width:680px; padding-top:52px; padding-bottom:40px; }
.article-body p { font-size:16px; line-height:1.85; color:#2b322e; margin:0 0 22px; }
.article-body h2 { font-size:26px; margin:46px 0 18px; }
.article-body a { text-decoration:underline; text-underline-offset:4px; color:var(--ink); }
.article-body a:hover { color:var(--signal); }
.article-body ul { padding-left:22px; margin:0 0 22px; color:#2b322e; font-size:16px; line-height:1.8; }
.article-body ol { padding-left:22px; margin:0 0 22px; color:#2b322e; font-size:16px; line-height:1.8; }
.article-body li { margin-bottom:8px; }
.article-body h3 { font-size:18px; margin:30px 0 10px; }
/* Liens de suite de lecture : mêmes arrêts que le reste du réseau */
.related { max-width:680px; margin-bottom:40px; padding-top:26px; border-top:1px solid var(--line); }
.related h2 { margin:0 0 14px; font-family:var(--mono); font-size:12px; font-weight:500; letter-spacing:.04em; text-transform:uppercase; color:var(--muted); }
.related ul { list-style:none; margin:0; padding:0; }
.related li { position:relative; padding:10px 0 10px 24px; border-bottom:1px solid var(--line); font-size:15px; line-height:1.5; }
.related li::before { content:''; position:absolute; left:2px; top:17px; width:8px; height:8px; border-radius:50%; border:2px solid var(--signal); }
.related li.dfd::before { border-color:var(--correspondance); }
.related a { font-weight:500; }
.related a:hover { color:var(--signal); }
.related small { display:block; margin-top:2px; font-size:13px; color:var(--muted); }
.article-cta { max-width:680px; margin-bottom:90px; padding:28px 30px; border-radius:10px; background:var(--dark); color:#eef0ee; }
.article-cta .line-plate { margin-bottom:14px; }
.article-cta .line-plate span:not(.line-num) { color:#9aa5a0; }
.article-cta h3 { color:#fff!important; }
.article-cta p { margin:0 0 16px; font-size:14px; line-height:1.7; color:#c3ccc7; }
.article-cta a.button { background:var(--signal); color:#fff; }
.article-cta a.button:hover { background:#4557e0; }
.breadcrumb { display:flex; align-items:center; gap:8px; font-family:var(--mono); font-size:12px; color:var(--muted); padding-top:34px; }
.breadcrumb::before { content:''; width:6px; height:6px; border-radius:50%; background:var(--signal); flex-shrink:0; }
.breadcrumb a:hover { color:var(--ink); }

/* ---- Teaser articles (accueil) ---- */
.articles-teaser { border-top:1px solid var(--line); }
.teaser-head { display:flex; justify-content:space-between; align-items:flex-end; gap:24px; }

@media (max-width:1000px) {
  .article-card { grid-template-columns:auto auto; row-gap:12px; }
  .article-card > div { grid-column:1/-1; }
}

@media (max-width:700px) {
  .article-grid { margin-top:34px; }
  .article-body { padding-top:34px; }
  .article-cta { padding:22px; }
  .teaser-head { flex-direction:column; align-items:flex-start; gap:14px; }
}

@media (prefers-reduced-motion:reduce) {
  html { scroll-behavior:auto; }
  *,*::before,*::after { transition:none!important; }
}