/* ============================================================================
   DELNERA - guides.css
   Feuille partagee des pages de contenu (/guides, /glossary + jumelles /fr).
   Meme identite que l'accueil : creme, bleu, Sora + Instrument Sans + JetBrains Mono.
   Clair uniquement (l'accueil n'a pas de mode sombre). Zero tiret long, zero emoji.
   ========================================================================== */
:root{
  --fond:#EEF0F1; --fond2:#E5E8EA; --blanc:#FFFFFF; --carte:#FCFDFD;
  --encre:#0E1A24; --gris:#4C5A66; --txt3:#7A8894;
  --bleu:#0176D3; --bleu-d:#0160B0; --bleu-dk:#0A2A47; --bleu-dk2:#06182D; --navy:#0B1B2E;
  --azur:#6BB6FF; --azur-l:#A9D2FF; --ambre:#E0952B;
  --dk-ink:#EAF2FB; --dk-ink2:#B9CEE6;
  --a09:rgba(1,118,211,.09); --a16:rgba(1,118,211,.16); --a24:rgba(1,118,211,.24);
  --ligne:#DADDDF; --ligne2:#C6CACD;
  --ombre:0 22px 55px rgba(14,26,36,.10); --ombre-s:0 6px 18px rgba(14,26,36,.07);
  --r:16px; --rl:24px; --max:1200px; --measure:720px; --ease:cubic-bezier(.22,.61,.36,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
::selection{background:var(--bleu);color:#fff}
body{font-family:'Instrument Sans','Segoe UI',system-ui,sans-serif;background:var(--fond);color:var(--encre);line-height:1.68;font-size:17px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--bleu-d);text-decoration:none}
a:hover{text-decoration:underline}
.mono{font-family:'JetBrains Mono',ui-monospace,Consolas,monospace}
.wrap{max-width:var(--max);margin:0 auto;padding:0 26px}
h1,h2,h3,h4{font-family:'Sora','Instrument Sans',sans-serif;letter-spacing:-.028em;text-wrap:balance;color:var(--encre)}
.eyebrow{font-family:'Instrument Sans';font-weight:800;font-size:12.5px;letter-spacing:.17em;text-transform:uppercase;color:var(--bleu-d)}

/* ---- boutons ---- */
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:15px;padding:13px 24px;border-radius:12px;transition:transform .2s var(--ease),box-shadow .2s,background .2s;border:2px solid transparent;cursor:pointer;font-family:inherit;line-height:1;text-decoration:none}
.btn.plein{background:var(--bleu);color:#fff!important;box-shadow:0 10px 26px rgba(1,118,211,.28)}
.btn.plein:hover{background:var(--bleu-d);transform:translateY(-2px);box-shadow:0 16px 38px rgba(1,118,211,.44);text-decoration:none}
.btn.ghost{background:transparent;color:var(--bleu-d)!important;border-color:#bcd8f0}
.btn.ghost:hover{background:var(--a09);text-decoration:none}

/* ---- NAV (variante claire, comme l'accueil apres scroll) ---- */
nav{position:sticky;top:0;z-index:90;background:rgba(238,240,241,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--ligne);box-shadow:0 6px 26px rgba(14,26,36,.06)}
.nav-int{display:flex;align-items:center;height:70px;max-width:var(--max);margin:0 auto;padding:0 26px}
.wm{display:inline-flex;align-items:center;gap:9px;white-space:nowrap;font-size:17px;color:var(--encre)}
.wm .lg{width:40px;height:40px;border-radius:11px;flex:none;object-fit:cover}
.wm .yc{font-weight:800;letter-spacing:-.02em;color:var(--encre)}
.nav-liens{margin-left:auto;display:flex;align-items:center;gap:2px}
.nav-liens a{padding:11px 13px;min-height:44px;display:inline-flex;align-items:center;color:var(--encre);font-size:14.5px;font-weight:500;border-radius:9px;transition:.15s}
.nav-liens a.ancre:hover{color:var(--bleu-d);background:var(--a09);text-decoration:none}
.nav-liens .langue{color:var(--txt3);font-weight:600;font-size:13px}
.nav-liens .btn{padding:10px 20px}
@media(max-width:860px){.nav-liens .ancre{display:none}}

/* ---- fil d'ariane ---- */
.breadcrumb{padding:26px 0 0}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--txt3);font-family:'JetBrains Mono'}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--ligne2)}
.breadcrumb a{color:var(--gris)}
.breadcrumb a:hover{color:var(--bleu-d)}

/* ---- en-tete d'article ---- */
.art-head{max-width:var(--measure);margin:0 auto;padding:22px 0 6px}
.art-head .eyebrow{display:block;margin-bottom:14px}
.art-head h1{font-weight:800;font-size:clamp(30px,5vw,50px);line-height:1.04;letter-spacing:-.035em}
.art-head .meta{margin-top:16px;font-family:'JetBrains Mono';font-size:12px;letter-spacing:.03em;color:var(--txt3);display:flex;flex-wrap:wrap;gap:14px}
.art-head .meta b{color:var(--gris);font-weight:600}

/* ---- article ---- */
.art{max-width:var(--measure);margin:0 auto;padding:8px 0 40px}
.art>*{margin-left:auto;margin-right:auto}

/* bloc-reponse (le coeur du GEO : ce que l'IA extrait) */
.answer{background:linear-gradient(180deg,#fff,#f7fbff);border:1px solid #cfe1f3;border-left:4px solid var(--bleu);border-radius:0 14px 14px 0;padding:20px 24px;margin:26px 0 30px;font-size:18.5px;line-height:1.6;color:var(--encre);box-shadow:var(--ombre-s)}
.answer .lab{display:block;font-family:'JetBrains Mono';font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--bleu-d);margin-bottom:9px}
.answer b{color:var(--bleu-d)}

/* prose */
.prose{font-size:17.5px;line-height:1.72;color:#22323f}
.prose h2{font-weight:800;font-size:clamp(23px,3.2vw,30px);line-height:1.12;letter-spacing:-.028em;margin:44px 0 10px;scroll-margin-top:90px}
.prose h3{font-weight:700;font-size:20px;letter-spacing:-.02em;margin:30px 0 8px;color:var(--encre)}
.prose p{margin:14px 0}
.prose strong{color:var(--encre);font-weight:700}
.prose a{color:var(--bleu-d);font-weight:600;border-bottom:1px solid #bcd8f0}
.prose a:hover{text-decoration:none;border-bottom-color:var(--bleu)}
.prose ul,.prose ol{margin:14px 0 14px 2px;padding-left:22px}
.prose li{margin:8px 0;padding-left:4px}
.prose ul li::marker{color:var(--bleu)}
.prose blockquote{margin:22px 0;padding:4px 0 4px 22px;border-left:3px solid var(--azur);color:var(--gris);font-style:normal}
.prose blockquote p{font-size:19px;line-height:1.55;color:var(--bleu-dk)}
.prose .key{background:linear-gradient(180deg,#fff,#f6fafd);border:1px solid var(--ligne);border-radius:14px;padding:18px 20px;margin:24px 0}
.prose .key .lab{font-family:'JetBrains Mono';font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--bleu-d);margin-bottom:8px;display:block}

/* table de matieres */
.toc{background:var(--carte);border:1px solid var(--ligne);border-radius:14px;padding:18px 22px;margin:24px 0 8px}
.toc .lab{font-family:'JetBrains Mono';font-size:10.5px;letter-spacing:.11em;text-transform:uppercase;color:var(--txt3);margin-bottom:10px;display:block}
.toc ol{list-style:none;counter-reset:t;display:flex;flex-direction:column;gap:6px}
.toc li{counter-increment:t}
.toc a{color:var(--gris);font-size:15px;font-weight:500}
.toc a::before{content:counter(t,decimal-leading-zero);font-family:'JetBrains Mono';font-size:11px;color:var(--bleu-d);margin-right:11px}
.toc a:hover{color:var(--bleu-d);text-decoration:none}

/* Q&R (FAQPage) */
.faq{max-width:var(--measure);margin:40px auto 0;border-top:1px solid var(--ligne)}
.faq h2{font-weight:800;font-size:clamp(22px,3vw,28px);letter-spacing:-.028em;margin:30px 0 4px}
.qa{border-bottom:1px solid var(--ligne)}
.qa summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;padding:20px 4px;font-family:'Sora';font-size:clamp(16px,2vw,18.5px);font-weight:700;min-height:44px;letter-spacing:-.015em;color:var(--encre)}
.qa summary::-webkit-details-marker{display:none}
.qa summary .plus{margin-left:auto;color:var(--bleu-d);font-size:24px;font-weight:300;transition:.25s;line-height:1;flex:none}
.qa[open] summary .plus{transform:rotate(45deg)}
.qa .a{padding:0 4px 22px;color:var(--gris);font-size:16px;max-width:680px;line-height:1.66}
.qa .a p{margin:10px 0}

/* glossaire */
.glossary{max-width:820px;margin:0 auto;padding:8px 0 30px}
.gloss-index{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 30px}
.gloss-index a{font-family:'JetBrains Mono';font-size:12.5px;color:var(--bleu-d);border:1px solid #bcd8f0;background:var(--a09);border-radius:8px;padding:6px 12px}
.gloss-index a:hover{background:var(--a16);text-decoration:none}
.term{border-top:1px solid var(--ligne);padding:26px 0;scroll-margin-top:90px}
.term h2{font-weight:800;font-size:23px;letter-spacing:-.02em;margin-bottom:8px}
.term .def{font-size:17px;line-height:1.68;color:#22323f}
.term .def b{color:var(--encre)}

/* liens connexes */
.related{max-width:var(--measure);margin:44px auto 0}
.related .lab{font-family:'Instrument Sans';font-weight:800;font-size:12.5px;letter-spacing:.15em;text-transform:uppercase;color:var(--bleu-d);margin-bottom:16px}
.related .grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:640px){.related .grid{grid-template-columns:1fr}}
.rcard{display:block;background:var(--carte);border:1px solid var(--ligne);border-radius:14px;padding:18px 20px;transition:transform .22s var(--ease),box-shadow .22s,border-color .22s}
.rcard:hover{transform:translateY(-4px);box-shadow:var(--ombre);border-color:#cfe1f3;text-decoration:none}
.rcard .k{font-family:'JetBrains Mono';font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--txt3)}
.rcard h3{font-size:17px;font-weight:800;letter-spacing:-.02em;margin:8px 0 4px;color:var(--encre)}
.rcard p{font-size:14px;color:var(--gris);line-height:1.5}

/* hub /guides */
.hub-head{max-width:800px;margin:0 auto;padding:30px 0 6px;text-align:center}
.hub-head h1{font-weight:800;font-size:clamp(32px,5.5vw,54px);line-height:1.02;letter-spacing:-.04em}
.hub-head .lede{margin:20px auto 0;max-width:600px;color:var(--gris);font-size:18px;line-height:1.6}
.hub-sec{max-width:var(--max);margin:0 auto;padding:34px 0 0}
.hub-sec h2{font-weight:800;font-size:clamp(21px,3vw,27px);letter-spacing:-.028em;margin-bottom:4px}
.hub-sec .sub{color:var(--gris);font-size:16px;margin-bottom:18px}
.hub-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:900px){.hub-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.hub-grid{grid-template-columns:1fr}}
.hcard{display:flex;flex-direction:column;background:var(--carte);border:1px solid var(--ligne);border-radius:16px;padding:24px 22px;transition:transform .24s var(--ease),box-shadow .24s,border-color .24s}
.hcard:hover{transform:translateY(-5px);box-shadow:var(--ombre);border-color:#cfe1f3;text-decoration:none}
.hcard .k{font-family:'JetBrains Mono';font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--bleu-d)}
.hcard h3{font-size:19px;font-weight:800;letter-spacing:-.02em;margin:12px 0 8px;color:var(--encre);line-height:1.18}
.hcard p{font-size:14.5px;color:var(--gris);line-height:1.55;flex:1}
.hcard .go{margin-top:14px;font-family:'JetBrains Mono';font-size:12px;color:var(--bleu-d);font-weight:600}

/* CTA bas de page */
.cta{max-width:var(--max);margin:60px auto 0}
.cta-card{position:relative;overflow:hidden;border-radius:var(--rl);padding:clamp(40px,5vw,64px) clamp(26px,5vw,54px);text-align:center;background:radial-gradient(120% 130% at 18% 0,#12406e,transparent 55%),linear-gradient(160deg,#0a2a47,#06182d);border:1px solid rgba(107,182,255,.28);box-shadow:0 40px 90px rgba(5,20,38,.4)}
.cta-card h2{color:#fff;font-size:clamp(26px,4vw,40px);letter-spacing:-.03em}
.cta-card p{margin:14px auto 0;max-width:520px;color:var(--dk-ink2);font-size:17px}
.cta-card .btn{margin-top:26px}

/* footer (identique a l'accueil) */
footer{margin-top:64px;background:var(--navy);color:#c6d3de;padding:52px 0 26px}
.foot{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:30px;max-width:var(--max);margin:0 auto;padding:0 26px}
@media(max-width:640px){.foot{grid-template-columns:1fr}}
footer .wm .int{color:#8ea0b3}footer .wm .yc{color:#fff}
footer .wm .lg{width:40px;height:40px}
.foot .sig{margin-top:14px;color:#8ea0b3;font-size:14px;max-width:280px;line-height:1.6}
.foot .ct{font-family:'Instrument Sans';font-weight:800;font-size:12px;letter-spacing:.13em;text-transform:uppercase;color:#fff;margin-bottom:12px}
.foot .col a{display:block;padding:6px 0;color:#a6b4c2;font-size:14px}
.foot .col a:hover{color:#fff;text-decoration:none}
.foot-bas{max-width:var(--max);margin:34px auto 0;padding:20px 26px 0;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#7c8ca0}

@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
@media(max-width:600px){
  body{font-size:16.5px}
  .art-head{padding-top:14px}
  .prose{font-size:16.5px}
  .answer{font-size:17px;padding:18px 18px}
}