/* =========================================================
   NEXIR · Articles : bibliothèque et lecture
   (s'ajoute aux styles des pages Expertise : couleurs, boutons, en-tête)
   Présentation seulement : aucune règle ne masque ni ne remplace du texte d'article.
   ========================================================= */
[data-f="infrastructure-digita-workspace"]{--fc:#2A7FFF}[data-f="cloud-devops"]{--fc:#0FA3B1}[data-f="cyber-securite"]{--fc:#E0466B}
[data-f="web-development"]{--fc:#4F3DFF}[data-f="ia-et-data"]{--fc:#14A86B}[data-f="embedded-system"]{--fc:#E39A12}
.crumbs-l{color:var(--muted)}
.crumbs-l a{color:var(--text)}
.crumbs-l a:hover{color:var(--blue)}
.crumbs-l li+li::before{color:#B3BACB}
.crumbs-l li[aria-current]{max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- Bibliothèque ---------- */
.lib-head{background:linear-gradient(180deg,#F1F2F8 0%,var(--paper) 100%);padding:128px 0 34px}
.lib-head h1{font-size:clamp(36px,4.6vw,62px);line-height:1.04;font-weight:800;letter-spacing:-.04em;margin:14px 0 16px;max-width:20ch}
.lib-head h1 .grad{background:linear-gradient(92deg,var(--blue) 0%,#7A6BFF 55%,#18B57A 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.lib-head .lead{max-width:680px;margin:0}
.lib{background:var(--paper);padding:10px 0 64px}
.lib-filtres ul{list-style:none;margin:0 0 26px;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.lib-filtres a{display:inline-flex;align-items:center;gap:8px;padding:9px 15px;border-radius:999px;border:1.5px solid var(--line);background:#fff;font:500 14.5px/1.2 var(--body);color:var(--ink);text-decoration:none;transition:border-color .2s,background .2s,color .2s}
.lib-filtres a span{font-size:12.5px;font-weight:600;color:var(--muted)}
.lib-filtres a:hover{border-color:#B5ADFF}
.lib-filtres a[aria-current]{background:var(--ink);border-color:var(--ink);color:#fff}
.lib-filtres a[aria-current] span{color:#AEB8D3}
.lib-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.lib-card[hidden]{display:none}
.lib-card a{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;text-decoration:none;color:inherit;transition:box-shadow .35s var(--ease),transform .35s var(--ease),border-color .25s}
.lib-card a:hover{box-shadow:0 22px 56px rgba(11,18,38,.10);transform:translateY(-3px);border-color:#D7D3FF}
.lib-img{display:block;aspect-ratio:16/9;background:var(--night-2);overflow:hidden}
.lib-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.lib-card a:hover .lib-img img{transform:scale(1.03)}
.lib-txt{display:flex;flex-direction:column;gap:10px;padding:20px 22px 22px;flex:1}
.lib-meta{display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px;font-size:13px;color:var(--muted)}
.lib-theme{display:inline-flex;align-items:center;gap:7px;font-weight:600;color:var(--ink)}
.lib-theme::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--fc,var(--blue))}
.lib-t{font:700 clamp(19px,1.6vw,22px)/1.25 var(--display);letter-spacing:-.02em;color:var(--ink)}
.lib-x{font-size:15px;line-height:1.55;color:var(--text);display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.lib-go{margin-top:auto;padding-top:6px;font:600 14.5px var(--body);color:var(--blue)}
.lib-card.is-big{grid-column:1/-1}
.lib-card.is-big a{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr)}
.lib-card.is-big .lib-img{aspect-ratio:auto;min-height:340px}
.lib-card.is-big .lib-txt{padding:34px 36px;justify-content:center}
.lib-card.is-big .lib-t{font-size:clamp(24px,2.6vw,34px);line-height:1.15}
.lib-card.is-big .lib-x{-webkit-line-clamp:6;font-size:16px}
.lib-grid.filtered .lib-card.is-big{grid-column:auto}
.lib-grid.filtered .lib-card.is-big a{display:flex}
.lib-grid.filtered .lib-card.is-big .lib-img{aspect-ratio:16/9;min-height:0}
.lib-grid.filtered .lib-card.is-big .lib-txt{padding:20px 22px 22px}
.lib-grid.filtered .lib-card.is-big .lib-t{font-size:clamp(19px,1.6vw,22px)}
.lib-vide{color:var(--muted)}
.lib-next{background:#fff;border-top:1px solid var(--line);padding:54px 0 64px}
.lib-next h2{font-size:clamp(24px,2.6vw,32px);margin:0 0 6px}
.lib-next p{color:var(--text);margin:0 0 18px}
.lib-exp{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px}
.lib-exp a{display:inline-flex;align-items:center;gap:8px;padding:11px 16px;border-radius:14px;background:var(--paper);border:1px solid var(--line);font:600 15px var(--body);color:var(--ink);text-decoration:none}
.lib-exp a::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--fc,var(--blue))}
.lib-exp a:hover{border-color:var(--blue)}

/* ---------- Article ---------- */
.art-head{background:linear-gradient(180deg,#F1F2F8 0%,var(--paper) 100%);padding:122px 0 0}
.art-hw{max-width:1040px}
.art-theme{display:inline-flex;align-items:center;gap:8px;margin-top:6px;font:600 13px/1 var(--body);letter-spacing:.06em;text-transform:uppercase;color:var(--ink);text-decoration:none;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 13px}
.art-theme::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--fc,var(--blue))}
.art-theme:hover{border-color:var(--blue)}
.art-head h1{font-size:clamp(32px,4.4vw,58px);line-height:1.06;font-weight:800;letter-spacing:-.035em;margin:18px 0 16px;max-width:24ch;color:var(--ink);overflow-wrap:break-word;hyphens:auto}
.art-date{margin:0;font-size:15px;color:var(--muted)}
.art-fig{margin:34px auto 0;max-width:1100px}
.art-une{width:100%;height:auto;max-height:520px;object-fit:cover;border-radius:24px;box-shadow:0 30px 80px rgba(11,18,38,.14)}
.art-grid{display:grid;grid-template-columns:minmax(0,720px);justify-content:center;gap:0 64px;padding-top:54px;padding-bottom:40px;max-width:1240px}
.art-grid.has-toc{grid-template-columns:260px minmax(0,720px);justify-content:center}
.art-grid.has-toc .art-after{grid-column:2}

/* Sommaire */
.toc{grid-row:1/span 2;align-self:start;position:sticky;top:100px;max-height:calc(100vh - 120px);overflow:auto;padding-right:6px}
.toc summary{list-style:none;cursor:pointer;font:600 12px/1 var(--body);letter-spacing:.16em;text-transform:uppercase;color:var(--muted);padding:6px 0 14px}
.toc summary::-webkit-details-marker{display:none}
.toc ol{list-style:none;margin:0;padding:0;border-left:2px solid var(--line)}
.toc li a{display:block;padding:7px 0 7px 16px;margin-left:-2px;border-left:2px solid transparent;font-size:14px;line-height:1.4;color:var(--text);text-decoration:none;transition:color .2s,border-color .2s}
.toc li a:hover{color:var(--blue)}
.toc li a.on{color:var(--ink);font-weight:600;border-left-color:var(--blue)}

/* Corps de l'article : lecture confortable */
.art-body{font:400 18.5px/1.75 var(--body);color:#2E3850;min-width:0;overflow-wrap:break-word}
.art-body>*:first-child{margin-top:0}
.art-body p{margin:0 0 1.15em}
.art-body h2,.art-body h3,.art-body h4{font-family:var(--display);color:var(--ink);letter-spacing:-.02em;line-height:1.25;scroll-margin-top:100px}
.art-body>h3:first-child{font-size:clamp(21px,2vw,25px);font-weight:700;color:var(--blue-deep);margin:0 0 1.1em;padding-bottom:.8em;border-bottom:1px solid var(--line)}
.art-body h2{font-size:clamp(24px,2.4vw,30px);margin:2em 0 .7em}
.art-body h3{font-size:clamp(20px,1.9vw,24px);margin:1.8em 0 .6em}
.art-body h4{font-size:19px;margin:1.6em 0 .5em}
.art-body strong,.art-body b{color:var(--ink);font-weight:650}
/* Couleurs saisies dans l'ancien éditeur : ramenées à la charte (le texte reste identique). */
.art-body [style*="color"]{color:inherit!important}
.art-body [style*="font-family"]{font-family:inherit!important}
.art-body [style*="font-size"]{font-size:inherit!important}
/* Intertitres saisis en gras : présentés comme de vrais intertitres, ancrés pour le sommaire. */
.art-body .a-h{scroll-margin-top:100px;font-family:var(--display);color:var(--ink);letter-spacing:-.02em}
.art-body .a-h2{font-size:clamp(23px,2.3vw,29px);line-height:1.22;margin:2.1em 0 .7em}
.art-body .a-h3{font-size:clamp(19.5px,1.8vw,22px);line-height:1.3;margin:1.7em 0 .55em}
.art-body .a-h strong,.art-body .a-h b{font-weight:800}
.art-body .a-h u{text-decoration:none}
.art-body .a-h:focus{outline:none}
.art-body ol:has(>li.a-h){padding-left:1.4em;margin:0}
.art-body ol>li.a-h::marker{color:var(--blue);font-weight:800}
.art-body .a-reprise{font-family:var(--display);font-size:clamp(21px,2vw,25px);line-height:1.3;color:var(--blue-deep)}
.art-body ul,.art-body ol{margin:0 0 1.3em;padding-left:1.4em}
.art-body li{margin-bottom:.5em;padding-left:.2em}
.art-body ul>li::marker{color:var(--blue)}
.art-body ol>li::marker{color:var(--blue);font-weight:700}
.art-body li>ul,.art-body li>ol{margin:.5em 0 .3em}
.art-body blockquote{margin:2em 0;padding:24px 28px;border-radius:18px;background:linear-gradient(120deg,#F1F0FF,#EFFAF5);border-left:4px solid var(--blue);font-size:18px;line-height:1.7;color:var(--ink)}
.art-body blockquote p:last-child{margin-bottom:0}
.art-body a{color:var(--blue);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.art-body a:hover{text-decoration-thickness:2px}
.art-body a.a-pdf{font-weight:600}
.art-body a.a-pdf::after{content:" (PDF)";font-weight:500;font-size:.85em;color:var(--muted)}
.art-body img{height:auto;border-radius:14px;margin:1.6em auto}
.art-body .a-table{overflow-x:auto;margin:1.6em 0;border:1px solid var(--line);border-radius:14px}
.art-body table{border-collapse:collapse;width:100%;font-size:15.5px;line-height:1.5}
.art-body th,.art-body td{padding:10px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.art-body th{background:var(--mist);font-weight:600;color:var(--ink)}
.art-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}

/* Après l'article (hors du texte d'origine) */
.art-after{margin-top:34px;padding-top:30px;border-top:1px solid var(--line);display:grid;gap:18px}
.art-after h2{font-size:18px;margin:0 0 12px}
.art-res ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.art-res a{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px 16px;text-decoration:none;transition:border-color .2s}
.art-res a:hover{border-color:var(--blue)}
.art-res .ic{flex:none;display:grid;place-items:center;width:46px;height:54px;border-radius:8px;background:#FDECEF;color:#B3123E;font:700 12px var(--body);letter-spacing:.06em}
.art-res b{display:block;font:600 15.5px/1.35 var(--body);color:var(--ink)}
.art-res small{font-size:13.5px;color:var(--muted)}
.art-exp{background:var(--night);color:#fff;border-radius:20px;padding:24px 26px;position:relative;overflow:hidden}
.art-exp::after{content:"";position:absolute;right:-60px;top:-60px;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,var(--fc,var(--blue)) 0%,transparent 70%);opacity:.35}
.art-exp .k{font:600 11.5px/1 var(--body);letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin:0 0 10px}
.art-exp h2{font-size:clamp(22px,2.2vw,28px);margin:0 0 8px}
.art-exp h2 a{color:#fff;text-decoration:none}
.art-exp h2 a:hover{text-decoration:underline;text-underline-offset:4px}
.art-exp p{margin:0;color:#B9C3DD;font-size:15.5px;position:relative}
.art-lies ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.art-lies a{display:flex;flex-direction:column;gap:6px;height:100%;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px 18px;text-decoration:none;transition:border-color .2s}
.art-lies a:hover{border-color:var(--blue)}
.art-lies b{font:700 16px/1.3 var(--display);color:var(--ink)}
.art-lies small{font-size:13.5px;color:var(--muted)}
.art-back{margin:4px 0 0}
.art-top{position:fixed;right:18px;bottom:18px;z-index:40;display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:0 10px 30px rgba(11,18,38,.15);opacity:0;visibility:hidden;transform:translateY(10px);transition:all .3s var(--ease)}
.art-top.on{opacity:1;visibility:visible;transform:none}

@media(max-width:1000px){
  .art-grid.has-toc{grid-template-columns:minmax(0,720px)}
  .art-grid.has-toc .art-after{grid-column:auto}
  .toc{position:static;grid-row:auto;max-height:none;overflow:visible;margin-bottom:28px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:4px 18px}
  .toc summary{padding:14px 0;display:flex;justify-content:space-between}
  .toc summary::after{content:"+";font-size:18px;color:var(--blue);letter-spacing:0}
  .toc details[open] summary::after{content:"–"}
  .toc ol{margin-bottom:12px}
  .lib-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .lib-card.is-big a{display:flex}
  .lib-card.is-big .lib-img{aspect-ratio:16/9;min-height:0}
  .lib-card.is-big .lib-txt{padding:24px 24px 26px}
}
@media(max-width:640px){
  .lib-head{padding:104px 0 24px}
  .lib-head .lead{font-size:16.5px}
  .lib-filtres ul{flex-wrap:nowrap;overflow-x:auto;margin:0 -18px 22px;padding:2px 18px 6px;scrollbar-width:none}
  .lib-filtres ul::-webkit-scrollbar{display:none}
  .lib-filtres a{white-space:nowrap}
  .lib-grid{grid-template-columns:1fr;gap:16px}
  .art-head{padding-top:100px}
  .art-head h1{margin:14px 0 12px}
  .art-fig{margin-top:24px;padding:0}
  .art-une{border-radius:0;max-height:300px;box-shadow:none}
  .art-grid{padding-top:30px}
  .art-body{font-size:17px;line-height:1.7}
  .art-body blockquote{padding:18px 18px;font-size:16.5px}
  .art-lies ul{grid-template-columns:1fr}
  .crumbs-l li[aria-current]{max-width:22ch}
}
@media print{
  .hdr,.progress,.foot,.toc,.art-top,.art-after,.fab{display:none!important}
  .art-head{padding-top:0;background:none}
  .art-body{font-size:12pt}
}
@media (prefers-reduced-motion:reduce){.lib-card a,.lib-img img,.art-top{transition:none}}

/* En-tête : haut de page clair (bibliothèque, archives, articles) */
.nx-hdr-clair .hdr:not(.dark){background:rgba(250,250,252,.82);backdrop-filter:saturate(1.6) blur(16px);-webkit-backdrop-filter:saturate(1.6) blur(16px);color:var(--ink);box-shadow:0 1px 0 rgba(11,18,38,.06)}
.nx-hdr-clair .hdr:not(.dark) .logo .white{display:none}
.nx-hdr-clair .hdr:not(.dark) .logo .navy{display:block}

/* Intertitre numéroté (<ol><li><h2>) : le titre prend la taille de l'élément de liste */
.art-body li.a-h>.a-hin{font:inherit;letter-spacing:inherit;color:inherit;margin:0;line-height:inherit}