/* ============================================================
   ÉTUDES DE CAS · territoire éditorial distinct (hors charte navy/or)
   Scope : .edc   ·   Police d'affichage : Fraunces + Open Sans
   4 familles de thèmes via .edc[data-fam="..."]
============================================================ */

.edc{
  --paper:#FAF5EC;--card:#FEFCF8;--ink:#2A2520;--soft:#6B6157;--line:#E8DECE;
  --terra:#BC6B46;--sage:#5E7363;
  --disp:'Fraunces',Georgia,serif;--sans:'Open Sans',system-ui,sans-serif;
  /* défaut = famille Ressources (cuivre) */
  --c:#A64B2A;--cd:#7F3A1F;--ct:#F1E2D8;
  background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.7}
.edc[data-fam="ressources"]{--c:#A64B2A;--cd:#7F3A1F;--ct:#F1E2D8}
.edc[data-fam="filieres"]  {--c:#6E7E2D;--cd:#525E22;--ct:#E9EAD3}
.edc[data-fam="reseaux"]   {--c:#127C78;--cd:#0C5E5A;--ct:#DCECEB}
.edc[data-fam="public"]    {--c:#8A2F3B;--cd:#6A2531;--ct:#F0DEE0}

.edc *{box-sizing:border-box}
.edc .wrap{max-width:1180px;margin:0 auto;padding:0 2rem}
.edc img{display:block;max-width:100%}
.edc a{color:inherit;text-decoration:none}
.edc h1,.edc h2,.edc h3{margin:0;line-height:1.14}
.edc p{margin:0}
.edc .disp{font-family:var(--disp)}

/* eyebrow */
.edc .tag{display:inline-block;font-weight:800;letter-spacing:.16em;text-transform:uppercase;font-size:.74rem;color:var(--cd)}
.edc .tag::after{content:"";display:block;width:44px;height:3px;margin-top:8px;background:var(--c)}

/* lien fléché */
.edc .go{display:inline-flex;align-items:center;gap:.4rem;font-weight:700;font-size:.92rem;color:var(--cd)}
.edc .go svg{width:16px;height:16px;transition:transform .22s}
.edc .go:hover svg{transform:translateX(5px)}

/* ============ HUB ============ */
.edc-hubhero{padding:calc(84px + clamp(1.6rem,4vw,3rem)) 0 2.4rem}
.edc-hubhero .tag{color:var(--terra)}.edc-hubhero .tag::after{background:var(--terra)}
.edc-hubhero h1{font-family:var(--disp);font-weight:600;font-size:clamp(2.3rem,4.6vw,3.9rem);letter-spacing:-.01em;margin:1.1rem 0 1rem;max-width:18ch}
.edc-hubhero p{font-size:1.16rem;color:var(--soft);max-width:60ch}

.edc-idx{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;padding:1rem 0 3.2rem}
.edc-idx a{position:relative;border-radius:12px;padding:1.6rem 1.4rem;min-height:150px;display:flex;flex-direction:column;justify-content:flex-end;color:#fff;overflow:hidden;transition:transform .25s}
.edc-idx a:hover{transform:translateY(-5px)}
.edc-idx .n{font-family:var(--disp);font-size:1.2rem;font-weight:600;line-height:1.14}
.edc-idx .c{font-size:.74rem;opacity:.86;margin-top:.35rem;line-height:1.4}
.edc-idx a::after{content:"→";position:absolute;top:1.2rem;right:1.3rem;opacity:.7;font-size:1.1rem}
.edc-idx .f-ressources{background:#A64B2A}.edc-idx .f-filieres{background:#6E7E2D}
.edc-idx .f-reseaux{background:#127C78}.edc-idx .f-public{background:#8A2F3B}

.edc-vhead{display:flex;align-items:baseline;justify-content:space-between;margin:.6rem 0 1.4rem;flex-wrap:wrap;gap:1rem}
.edc-vhead h2{font-family:var(--disp);font-weight:600;font-size:1.8rem;color:var(--ink)}
.edc-flt{display:flex;gap:.55rem;align-items:center}
.edc-flt .lab{font-size:.72rem;color:var(--soft);letter-spacing:.08em;text-transform:uppercase;margin-right:.3rem}
.edc-flt button{width:20px;height:20px;border-radius:50%;border:0;outline:1px solid var(--line);cursor:pointer;padding:0;transition:transform .2s,box-shadow .2s}
.edc-flt button[aria-pressed="true"]{box-shadow:0 0 0 3px var(--paper),0 0 0 4px currentColor;transform:scale(1.05)}
.edc-flt .c-ressources{background:#A64B2A;color:#A64B2A}.edc-flt .c-filieres{background:#6E7E2D;color:#6E7E2D}
.edc-flt .c-reseaux{background:#127C78;color:#127C78}.edc-flt .c-public{background:#8A2F3B;color:#8A2F3B}
/* bouton « Tous » : réinitialise le filtre, revient à l'ensemble des univers */
.edc-flt .c-all{width:auto;height:auto;border-radius:999px;padding:.3rem .72rem;font:700 .72rem/1 var(--sans);letter-spacing:.03em;color:var(--soft);background:transparent;outline:1px solid var(--line)}
.edc-flt .c-all:hover{color:var(--ink);outline-color:var(--soft)}
.edc-flt .c-all[aria-pressed="true"]{color:#fff;background:var(--ink);outline-color:var(--ink);box-shadow:none;transform:none}

.edc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem;padding-bottom:3.4rem}
.edc-card{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column}
.edc-card.is-hidden{display:none}
.edc-card:hover{transform:translateY(-6px);box-shadow:0 24px 46px -26px rgba(42,37,32,.45)}
.edc-card .im{aspect-ratio:4/3;overflow:hidden;position:relative}
.edc-card .im img{width:100%;height:100%;object-fit:cover}
.edc-card .im .fam{position:absolute;left:0;top:0;padding:.3rem .8rem;font-size:.66rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:#fff}
.edc-card .bd{padding:1.3rem 1.3rem 1.5rem;border-top:3px solid var(--card-c,#A64B2A);flex:1;display:flex;flex-direction:column}
.edc-card .cat{font-size:.72rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--soft)}
.edc-card h3{font-family:var(--disp);font-weight:600;font-size:1.26rem;line-height:1.2;margin:.5rem 0}
.edc-card p{font-size:.95rem;color:var(--soft)}
.edc-card .go{margin-top:1rem;color:var(--card-c,#7F3A1F)}
.edc-card[data-fam="ressources"]{--card-c:#A64B2A}
.edc-card[data-fam="filieres"]{--card-c:#6E7E2D}
.edc-card[data-fam="reseaux"]{--card-c:#127C78}
.edc-card[data-fam="public"]{--card-c:#8A2F3B}
.edc-card[data-fam="ressources"] .im .fam{background:#A64B2A}
.edc-card[data-fam="filieres"] .im .fam{background:#6E7E2D}
.edc-card[data-fam="reseaux"] .im .fam{background:#127C78}
.edc-card[data-fam="public"] .im .fam{background:#8A2F3B}
.edc-empty{padding:3rem 0;color:var(--soft);text-align:center;display:none}

/* bandeau méthode (hub) */
.edc-method{background:var(--ink);color:#fff;padding:clamp(3rem,6vw,5rem) 0;margin-top:1rem}
.edc-method .tag{color:var(--terra)}.edc-method .tag::after{background:var(--terra)}
.edc-method h2{font-family:var(--disp);font-weight:600;font-size:clamp(1.6rem,3vw,2.3rem);margin:1rem 0 2rem;max-width:22ch}
.edc-method .row{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}
.edc-method .it b{display:block;font-family:var(--disp);font-size:1.25rem;color:#fff;margin-bottom:.5rem}
.edc-method .it p{color:rgba(255,255,255,.78)}

/* ============ FICHE ============ */
.edc-fhero{position:relative;height:60vh;min-height:420px;overflow:hidden}
.edc-fhero img{width:100%;height:100%;object-fit:cover}
.edc-fhero .cap{position:absolute;left:0;right:0;bottom:0;padding:1.4rem 0;
  background:linear-gradient(0deg,color-mix(in srgb,var(--cd) 82%,transparent),transparent);color:#fff}
.edc-fhero .cap .wrap{font-size:.85rem;opacity:.92}
.edc-crumb{padding:1.2rem 0 0;font-size:.8rem;color:var(--soft)}
.edc-crumb a:hover{color:var(--cd)}

.edc-fintro{padding:2.6rem 0 1rem}
.edc-fintro h1{font-family:var(--disp);font-weight:600;font-size:clamp(2rem,3.8vw,3rem);margin:1rem 0 .8rem;max-width:20ch;color:var(--ink)}
.edc-fintro .lead{font-size:1.2rem;color:var(--soft);max-width:60ch}

/* tuiles */
.edc-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;padding:2.2rem 0}
.edc-tile{background:var(--card);border:1px solid var(--line);border-top:3px solid var(--c);border-radius:12px;padding:1.6rem}
.edc-tile .v{font-family:var(--disp);font-weight:600;font-size:2.4rem;color:var(--cd);line-height:1}
.edc-tile .l{font-size:.9rem;color:var(--soft);margin-top:.5rem}

/* chapitres (sans numéro) */
.edc-chaps{padding:1.2rem 0 1rem}
.edc-chap{padding:2.4rem 0;border-top:1px solid var(--line)}
.edc-chap:first-child{border-top:0}
.edc-chap .kick{font-weight:800;letter-spacing:.22em;text-transform:uppercase;font-size:.8rem;color:var(--c);display:flex;align-items:center;gap:.7rem;margin-bottom:.7rem}
.edc-chap .kick::before{content:"";width:34px;height:2px;background:var(--c);display:inline-block}
.edc-chap h2{font-family:var(--disp);font-weight:600;font-size:clamp(1.6rem,2.8vw,2.2rem);line-height:1.18;margin-bottom:.8rem;max-width:22ch;color:var(--ink)}
.edc-chap p{color:var(--ink);font-size:1.08rem;max-width:64ch}
.edc-chap--lead p::first-letter{font-family:var(--disp);font-weight:600;font-size:3.4rem;line-height:.78;float:left;margin:.1rem .6rem 0 0;color:var(--c)}
.edc-chap--media{display:grid;grid-template-columns:1fr 1fr;gap:2.4rem;align-items:center}
.edc-chap--media .im{border-radius:12px;overflow:hidden;aspect-ratio:4/3}
.edc-chap--media .im img{width:100%;height:100%;object-fit:cover}

/* grand chiffre */
.edc-big{background:var(--ct);padding:clamp(2.6rem,5vw,3.4rem) 0;text-align:center;margin:2rem 0}
.edc-big .v{font-family:var(--disp);font-weight:600;font-size:clamp(3rem,7.5vw,5.6rem);color:var(--cd);line-height:1}
.edc-big .l{font-size:1.05rem;color:var(--ink);max-width:48ch;margin:.6rem auto 0}

/* exergue */
.edc-exg{background:var(--ct);border-left:4px solid var(--c);border-radius:0 10px 10px 0;padding:1.6rem 1.8rem;margin:1.6rem 0}
.edc-exg .v{font-family:var(--disp);font-weight:600;font-size:1.55rem;color:var(--cd)}
.edc-exg .src{font-size:.82rem;color:var(--soft);font-style:italic;margin-top:.3rem}

/* citation */
.edc-quote{background:var(--c);color:#fff;padding:clamp(2.6rem,5vw,3.2rem) 0;margin:2rem 0}
.edc-quote .q{font-family:var(--disp);font-style:italic;font-weight:500;font-size:clamp(1.4rem,2.6vw,2rem);line-height:1.35;max-width:26ch}
.edc-quote .by{margin-top:1rem;font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;opacity:.85}

/* ruban */
.edc-ribbon{background:var(--cd);color:#fff;display:grid;grid-template-columns:repeat(4,1fr)}
.edc-ribbon div{padding:2rem 1.4rem;border-left:1px solid rgba(255,255,255,.18)}
.edc-ribbon div:first-child{border-left:0}
.edc-ribbon .v{font-family:var(--disp);font-weight:600;font-size:1.55rem}
.edc-ribbon .l{font-size:.82rem;opacity:.82;margin-top:.3rem}

/* bloc métier lié + nav + cta */
.edc-metier{padding:clamp(2.6rem,5vw,3.4rem) 0}
.edc-metier a{display:inline-flex;align-items:center;gap:.6rem;background:var(--card);border:1px solid var(--line);border-left:4px solid var(--c);border-radius:10px;padding:1.1rem 1.5rem;font-weight:700;color:var(--ink);transition:box-shadow .25s,transform .25s}
.edc-metier a:hover{box-shadow:0 14px 30px -18px rgba(42,37,32,.4);transform:translateY(-3px)}
.edc-metier a svg{width:18px;height:18px;color:var(--cd)}

.edc-next{display:block;background:var(--ink);color:#fff;padding:clamp(2rem,4vw,2.8rem) 0}
.edc-next .k{font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--terra)}
.edc-next .t{font-family:var(--disp);font-weight:600;font-size:clamp(1.4rem,2.6vw,2rem);margin-top:.4rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.edc-next .t svg{width:28px;height:28px;flex:0 0 auto}
.edc-next:hover .t svg{transform:translateX(6px);transition:transform .25s}

.edc-cta{background:var(--c);color:#fff;text-align:center;padding:clamp(3rem,6vw,4.5rem) 0}
.edc-cta h2{font-family:var(--disp);font-weight:600;font-size:clamp(1.8rem,3.2vw,2.6rem);max-width:22ch;margin:0 auto .8rem;color:#fff}
.edc-cta p{color:rgba(255,255,255,.88);font-size:1.1rem;max-width:50ch;margin:0 auto 2rem}
.edc-cta .btn{display:inline-flex;align-items:center;gap:.6rem;background:#fff;color:var(--cd);font-weight:800;padding:14px 28px;border-radius:4px;transition:transform .2s,box-shadow .2s}
.edc-cta .btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px -12px rgba(0,0,0,.5)}

/* reveal */
.edc .rv{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.edc .rv.in{opacity:1;transform:none}

/* responsive */
@media(max-width:900px){
  .edc-idx{grid-template-columns:repeat(2,1fr)}
  .edc-grid{grid-template-columns:1fr}
  .edc-tiles,.edc-method .row{grid-template-columns:1fr}
  .edc-ribbon{grid-template-columns:repeat(2,1fr)}
  .edc-chap--media{grid-template-columns:1fr}
  .edc-fhero{height:46vh;min-height:320px}
}
@media(max-width:520px){ .edc-idx{grid-template-columns:1fr} }