/* Valorcia — Simulateur 3D membrane : interface */
.vc3d{--ink:#0B0F0F;--white:#FFFFFF;--turq:#12B3BB;--turq-ink:#0B6E78;--concrete:#F4F5F5;--slate:#5C6362;--line:#E4E7E6;--mute:#8A9190;
  display:grid;grid-template-columns:minmax(0,1.55fr) minmax(300px,.85fr);gap:0;background:var(--white);color:var(--ink);font-family:'Manrope',system-ui,sans-serif;border:1px solid var(--line)}
.vc3d__stage{position:relative;min-height:600px;background:#0B1A24;overflow:hidden}
.vc3d__canvas{display:block;width:100%;height:100%;position:absolute;inset:0;touch-action:none;cursor:grab}
.vc3d__canvas:active{cursor:grabbing}
.vc3d__loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#A9B0AF;font:600 11px/1 'Manrope',sans-serif;letter-spacing:.24em;text-transform:uppercase;z-index:2}
.vc3d__hud{position:absolute;left:20px;right:20px;top:20px;display:flex;justify-content:space-between;gap:12px;z-index:3;flex-wrap:wrap}
.vc3d__cams,.vc3d__amb{display:flex;gap:6px;background:rgba(11,15,15,.55);padding:6px;backdrop-filter:blur(6px)}
.vc3d__hud button{height:34px;padding:0 11px;border:1px solid transparent;background:transparent;color:#fff;font:600 10px/1 'Manrope',sans-serif;letter-spacing:.18em;text-transform:uppercase;cursor:pointer}
.vc3d__hud button[aria-pressed="true"]{background:#fff;color:var(--ink)}
.vc3d__caption{position:absolute;left:24px;bottom:22px;z-index:3;display:flex;flex-direction:column;gap:4px;color:#fff;pointer-events:none;text-shadow:0 1px 12px rgba(0,0,0,.5)}
.vc3d__cap-k{font:600 10px/1 'Manrope',sans-serif;letter-spacing:.24em;text-transform:uppercase;color:rgba(255,255,255,.72)}
.vc3d__cap-name{font-family:'Archivo',sans-serif;font-weight:300;text-transform:uppercase;letter-spacing:-.02em;font-size:38px;line-height:1}
.vc3d__cap-ref{font-size:12px;letter-spacing:.06em;color:rgba(255,255,255,.8)}
.vc3d__panel{padding:28px;display:flex;flex-direction:column;gap:22px;border-left:1px solid var(--line);max-height:600px;overflow:auto}
.vc3d__brands{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.vc3d__brands button{display:flex;flex-direction:column;gap:3px;align-items:flex-start;padding:12px 14px;border:1px solid var(--line);background:var(--white);cursor:pointer;text-align:left;font-family:inherit;color:var(--ink)}
.vc3d__brands button b{font-family:'Archivo',sans-serif;font-weight:400;text-transform:uppercase;font-size:16px;letter-spacing:-.01em}
.vc3d__brands button span{font-size:11px;color:var(--mute)}
.vc3d__brands button[aria-pressed="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.vc3d__brands button[aria-pressed="true"] span{color:#A9B0AF}
.vc3d__ranges{display:flex;flex-wrap:wrap;gap:6px}
.vc3d__ranges button{display:inline-flex;flex-direction:column;align-items:flex-start;gap:2px;padding:8px 12px;border:1px solid var(--line);background:var(--white);font:600 11px/1 'Manrope',sans-serif;letter-spacing:.08em;cursor:pointer;color:var(--ink)}
.vc3d__ranges button em{font-style:normal;font-weight:500;font-size:9px;letter-spacing:.16em;text-transform:uppercase;color:var(--mute)}
.vc3d__ranges button[aria-pressed="true"]{border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}
.vc3d__desc{margin:0;font-size:13px;line-height:1.6;color:var(--slate)}
.vc3d__swatches{display:grid;grid-template-columns:repeat(auto-fill,minmax(118px,1fr));gap:8px}
.vc3d__swatches button{display:flex;flex-direction:column;gap:8px;padding:6px;border:1px solid var(--line);background:var(--white);cursor:pointer;text-align:left;font-family:inherit;color:var(--ink)}
.vc3d__swatches button canvas{width:100%;height:auto;aspect-ratio:1;display:block}
.vc3d__swatches button span{display:flex;flex-direction:column;gap:2px;padding:0 2px 2px}
.vc3d__swatches button b{font-size:12px;font-weight:600}
.vc3d__swatches button i{font-style:normal;font-size:10px;letter-spacing:.06em;color:var(--mute)}
.vc3d__swatches button[aria-pressed="true"]{border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}
.vc3d__info{display:grid;grid-template-columns:1fr 1fr;gap:12px;border-top:1px solid var(--ink);padding-top:14px}
.vc3d__info>div{display:flex;flex-direction:column;gap:6px;font-size:13px}
.vc3d__k{font:600 10px/1 'Manrope',sans-serif;letter-spacing:.22em;text-transform:uppercase;color:var(--turq-ink)}
.vc3d__water{display:inline-flex;align-items:center;gap:8px}
.vc3d__water i{width:16px;height:16px;border:1px solid var(--line);display:inline-block}
.vc3d__opts{display:flex;flex-direction:column;gap:14px}
.vc3d__opts>div{display:flex;flex-direction:column;gap:8px}
.vc3d__chips{display:flex;flex-wrap:wrap;gap:6px}
.vc3d__chips button{height:34px;padding:0 12px;border:1px solid var(--line);background:var(--white);font:600 10px/1 'Manrope',sans-serif;letter-spacing:.14em;text-transform:uppercase;cursor:pointer;color:var(--ink)}
.vc3d__chips button[aria-pressed="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.vc3d__actions{display:flex;flex-direction:column;gap:10px}
.vc3d__btn{display:inline-flex;align-items:center;justify-content:center;height:52px;padding:0 24px;border:1px solid var(--ink);background:var(--white);color:var(--ink);font:600 11px/1 'Manrope',sans-serif;letter-spacing:.22em;text-transform:uppercase;text-decoration:none;cursor:pointer}
.vc3d__btn--primary{background:var(--ink);color:#fff}
.vc3d__btn--primary:hover{background:var(--turq);color:var(--ink)}
.vc3d__legal{margin:0;font-size:11px;line-height:1.6;color:var(--mute)}
.vc3d button:focus-visible,.vc3d a:focus-visible{outline:2px solid var(--turq);outline-offset:2px}
/* Modale « Étude 3D » */
.vc3d__modal{position:fixed;inset:0;z-index:9999;background:rgba(11,15,15,.72);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:16px;overflow:auto}
.vc3d__modal[hidden],.vc3d__form[hidden],.vc3d__done[hidden]{display:none}
.vc3d__form,.vc3d__done{position:relative;background:var(--white);color:var(--ink);width:min(680px,100%);padding:36px 36px 30px;display:flex;flex-direction:column;gap:14px;max-height:calc(100vh - 32px);overflow:auto}
.vc3d__close{position:absolute;top:10px;right:12px;width:40px;height:40px;border:0;background:transparent;font-size:28px;line-height:1;cursor:pointer;color:var(--slate)}
.vc3d__form-t{margin:0;font-family:'Archivo',sans-serif;font-weight:300;text-transform:uppercase;letter-spacing:-.02em;font-size:30px;line-height:1.05}
.vc3d__form-t em{font-family:'Instrument Serif',Georgia,serif;font-style:italic;text-transform:none;color:var(--turq-ink)}
.vc3d__form-p{margin:0;font-size:14px;line-height:1.6;color:var(--slate)}
.vc3d__fields{display:grid;grid-template-columns:1fr 1fr;gap:12px 14px;margin-top:6px}
.vc3d__fields label{display:flex;flex-direction:column;gap:5px;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--slate)}
.vc3d__fields input,.vc3d__fields select,.vc3d__fields textarea{height:44px;border:1px solid var(--line);background:var(--white);padding:0 12px;font:14px/1.4 'Manrope',system-ui,sans-serif;color:var(--ink);letter-spacing:0;text-transform:none;border-radius:0}
.vc3d__fields textarea{height:auto;padding:10px 12px;resize:vertical}
.vc3d__fields input:focus,.vc3d__fields select:focus,.vc3d__fields textarea:focus{outline:2px solid var(--turq);outline-offset:0;border-color:var(--ink)}
.vc3d__wide{grid-column:1/-1}
.vc3d__check{flex-direction:row!important;align-items:flex-start;gap:10px!important;text-transform:none!important;letter-spacing:0!important;font-size:12px!important;line-height:1.5;color:var(--slate)}
.vc3d__check input{width:18px;height:18px;margin-top:1px;flex:none;accent-color:var(--turq-ink)}
.vc3d__form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:6px}
.vc3d__status{font-size:12px;color:var(--turq-ink)}
.vc3d__done .vc3d__btn{align-self:flex-start}
@media(max-width:640px){.vc3d__fields{grid-template-columns:1fr}.vc3d__form,.vc3d__done{padding:26px 20px 22px}.vc3d__form-t{font-size:24px}}

@media(max-width:980px){
  .vc3d{grid-template-columns:1fr}
  .vc3d__stage{min-height:62vh}
  .vc3d__panel{border-left:0;border-top:1px solid var(--line);max-height:none;padding:20px}
  .vc3d__cap-name{font-size:26px}
  .vc3d__hud{left:12px;right:12px;top:12px}
}
@media(prefers-reduced-motion:reduce){.vc3d__canvas{cursor:default}}