/* Cartes Ambre — gallery wall: framed abstract composition + museum label carrying the code */
.cga-salle{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:0;align-items:stretch;margin:20px 5% 60px;background:color-mix(in srgb,var(--panel),var(--bg) 40%);border-radius:6px;overflow:hidden;scroll-margin-top:90px}
.cga-salle [hidden]{display:none!important}
.cga-mur{position:relative;display:grid;place-items:center;padding:56px 40px 64px;background:radial-gradient(ellipse 55% 45% at 50% 0,color-mix(in srgb,var(--accent),transparent 78%),transparent 70%),linear-gradient(180deg,var(--panel),color-mix(in srgb,var(--panel),#000 18%));border-bottom:10px solid color-mix(in srgb,var(--bg),#000 25%)}
.cga-mur:after{content:"";position:absolute;left:12%;right:12%;bottom:-10px;height:10px;background:linear-gradient(90deg,transparent,color-mix(in srgb,var(--accent),transparent 50%),transparent)}
.cga-cadre{padding:14px;background:linear-gradient(135deg,#b88a3e,#f3d491 35%,#9c6f2c 60%,#e8c477);box-shadow:0 26px 40px #0008,inset 0 0 0 2px #6d4b1c;width:min(100%,320px)}
.cga-toile{position:relative;aspect-ratio:4/5;background:#fffbf4;box-shadow:inset 0 0 0 18px #f1e7d6,inset 0 0 0 19px #c9b48f;overflow:hidden}
.cga-toile:before{content:"";position:absolute;inset:19px;background:linear-gradient(200deg,#4a345a 0 52%,#2a1c38 52% 100%)}
.cga-arc{position:absolute;left:8%;right:8%;bottom:-24%;aspect-ratio:1;border-radius:50%;border:14px solid var(--accent);border-bottom-color:transparent;border-left-color:color-mix(in srgb,var(--accent),#7a4a10 30%);transition:transform 1s cubic-bezier(.2,.8,.2,1)}
.cga-rond{position:absolute;border-radius:50%;transition:transform .9s cubic-bezier(.2,.8,.2,1)}
.cga-r1{width:34%;aspect-ratio:1;left:18%;top:16%;background:var(--accent)}
.cga-r2{width:20%;aspect-ratio:1;left:52%;top:30%;border:4px solid var(--second)}
.cga-r3{width:11%;aspect-ratio:1;left:66%;top:16%;background:#b23a48}
.cga-trait{position:absolute;left:12%;right:20%;top:56%;height:6px;background:#fffbf4;transform:rotate(-14deg);transform-origin:left;transition:transform 1s cubic-bezier(.2,.8,.2,1)}
.cga-veil .cga-r1{transform:translate(-30%,-10%) scale(.8)}
.cga-veil .cga-r2{transform:translate(40%,20%)}
.cga-veil .cga-trait{transform:rotate(-14deg) scaleX(.2)}
.cga-veil .cga-arc{transform:translateY(16%)}
.cga-cartel{padding:44px 44px 38px;background:#fffbf4;color:#312241;display:flex;flex-direction:column;justify-content:center;font-size:14px}
.cga-salle-n{font-size:11px;letter-spacing:.14em;text-transform:uppercase;margin:0 0 6px;color:#6a557c}
.cga-avis{font-size:12px;line-height:1.5;margin:0 0 16px;color:#5b4a68}
.cga-avis a{color:#312241;text-decoration:underline;text-underline-offset:3px}
.cga-cartel h2{font-size:clamp(1.25rem,1.9vw,1.7rem);line-height:1.2;font-style:italic;font-weight:700;margin:0 0 6px;letter-spacing:-.01em;color:#312241}
.cga-tech{font-size:12.5px;line-height:1.55;margin:0 0 18px;color:#5b4a68}
.cga-fiche{margin:0 0 12px;padding:12px 0 14px;border-top:1px solid #312241;border-bottom:1px solid #312241}
.cga-fiche dt{font-size:11px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:4px}
.cga-fiche dd{margin:0}
.cga-code{font:700 clamp(30px,3.4vw,40px)/1.15 var(--display);letter-spacing:.06em;color:#312241;background:none;padding:0;overflow-wrap:anywhere;user-select:all}
.cga-desc{font-size:15px;line-height:1.55;margin:0 0 18px}
.cga-act{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:14px}
.cga-sortie{text-align:center;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:54px;padding:12px 24px;background:#312241;color:var(--accent);font-weight:800;font-size:16px;border-radius:2px;box-shadow:0 0 0 2px #312241,inset 0 0 0 2px #c98a2e}
.cga-sortie:hover{text-decoration:none;background:#4a345a}
.cga-copier{min-height:46px;padding:10px 18px;border:1.5px solid #312241;background:transparent;color:#312241;border-radius:0;font-weight:800;font-size:15px;cursor:pointer}
.cga-copier:hover{background:#f1e7d6}
.cga-copier[data-etat="ok"]{background:#f1e7d6;border-color:#c98a2e}
.cga-credit{font-size:11px;line-height:1.5;margin:0;color:#6a557c}
.cga-murmure{position:absolute;width:1px;height:1px;margin:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.cga-cartel :focus-visible{outline:3px solid #312241;outline-offset:3px}
.cga-cartel .cga-sortie:focus-visible{outline-color:#c98a2e}
.article-layout+.cga-salle,.section+.cga-salle{margin-top:10px}
@media(max-width:760px){.cga-salle{grid-template-columns:1fr;margin:10px 6% 40px}.cga-mur{padding:30px 26px 36px}.cga-cadre{width:min(100%,220px)}.cga-cartel{padding:26px 20px}.cga-act>*{flex:1 1 100%}.cga-code{font-size:32px}}
@media(prefers-reduced-motion:reduce){.cga-rond,.cga-trait,.cga-arc{transition:none}}