/* Présentation du « Bâtir ma remorque » : scène en relief + panneau d'étapes, au look de remorquetrailer.com.
   Toutes les couleurs et polices viennent de theme-client.css. */
.rq3d {
  --rq3d-hauteur: clamp(340px, 56vh, 640px);
  display: grid;
  grid-template-columns: 1fr;
  background: var(--rq-blanc);
  border-top: 4px solid var(--rq-rouge);
  font-family: var(--rq-police-texte);
  color: var(--rq-texte);
  font-size: 16px;
  line-height: 22px;
  position: relative;
}
.rq3d *, .rq3d *::before, .rq3d *::after { box-sizing: border-box; }
@media (min-width: 1100px) {
  .rq3d { grid-template-columns: minmax(0, 1.55fr) minmax(380px, 1fr); --rq3d-hauteur: clamp(560px, 78vh, 820px); }
  .rq3d-dock { max-height: var(--rq3d-hauteur); overflow-y: auto; border-left: 1px solid var(--rq-gris); }
}
.rq3d-zone-scene { position: relative; height: var(--rq3d-hauteur); background: var(--rq-scene); overflow: hidden; }
.rq3d-scene { position: absolute; inset: 0; }
.rq3d-canvas { display: block; width: 100%; height: 100%; touch-action: none; outline: none; }
.rq3d-image-fixe { width: 100%; height: 100%; object-fit: contain; background: var(--rq-scene); }
.rq3d-sans-3d-note { position: absolute; left: 12px; right: 12px; bottom: 12px; margin: 0; padding: 8px 12px; background: var(--rq-blanc); font-size: 14px; }
.rq3d-surcouche { position: absolute; inset: 0; pointer-events: none; }
.rq3d-outils { position: absolute; top: 12px; right: 12px; left: 12px; display: flex; flex-wrap: wrap; gap: 6px; justify-content: flex-end; pointer-events: auto; }
.rq3d-vues { display: flex; flex-wrap: wrap; gap: 0; background: var(--rq-blanc); box-shadow: 0 1px 3px rgba(0,0,0,.15); }
.rq3d-btn-vue, .rq3d-btn-outil {
  font-family: var(--rq-police-titre); text-transform: uppercase; font-size: 13px; line-height: 16px; letter-spacing: .02em;
  border: 0; border-radius: var(--rq-rayon); padding: 9px 12px; min-height: 36px; cursor: pointer;
  background: var(--rq-blanc); color: var(--rq-noir);
}
.rq3d-btn-vue[aria-pressed="true"] { background: var(--rq-bleu); color: var(--rq-blanc); }
.rq3d-btn-outil { background: var(--rq-noir); color: var(--rq-blanc); box-shadow: 0 1px 3px rgba(0,0,0,.15); }
.rq3d-btn-outil:hover, .rq3d-btn-vue:hover { background: var(--rq-rouge); color: var(--rq-blanc); }
.rq3d-bascule[aria-pressed="true"] { background: var(--rq-rouge); }
.rq3d-chargement { position: absolute; left: 50%; bottom: 18px; transform: translateX(-50%); background: var(--rq-blanc); padding: 6px 14px; font-size: 14px; }
.rq3d-aide { position: absolute; left: 12px; bottom: 12px; font-size: 13px; color: var(--rq-texte); background: rgba(255,255,255,.85); padding: 4px 10px; transition: opacity .4s; }
.rq3d-touche .rq3d-aide { opacity: 0; }

.rq3d-dock { background: var(--rq-blanc); padding: 0 0 18px; }
.rq3d-dock-haut { display: flex; flex-wrap: wrap; align-items: stretch; justify-content: space-between; gap: 0; border-bottom: 1px solid var(--rq-gris); position: sticky; top: 0; background: var(--rq-blanc); z-index: 2; }
.rq3d-onglets { display: flex; flex: 1 1 auto; }
.rq3d-onglet {
  flex: 1 1 0; display: flex; align-items: center; justify-content: center; gap: 6px; min-height: 52px; padding: 8px 10px;
  border: 0; border-bottom: 4px solid transparent; border-radius: 0; background: var(--rq-gris-clair); cursor: pointer;
  font-family: var(--rq-police-titre); text-transform: uppercase; font-size: 15px; color: var(--rq-noir);
}
.rq3d-onglet + .rq3d-onglet { border-left: 1px solid var(--rq-gris); }
.rq3d-onglet[aria-selected="true"] { background: var(--rq-blanc); border-bottom-color: var(--rq-rouge); color: var(--rq-bleu-titre); }
.rq3d-onglet:disabled { color: #8b97a8; cursor: not-allowed; }
.rq3d-onglet-num { display: inline-grid; place-items: center; width: 22px; height: 22px; background: var(--rq-noir); color: var(--rq-blanc); font-size: 13px; }
.rq3d-onglet[aria-selected="true"] .rq3d-onglet-num { background: var(--rq-rouge); }
.rq3d-total { display: grid; align-content: center; justify-items: end; padding: 6px 16px; min-width: 160px; background: var(--rq-blanc); }
.rq3d-total-lib { font-family: var(--rq-police-titre); text-transform: uppercase; font-size: 13px; }
.rq3d-total-val { font-family: var(--rq-police-titre); font-size: 24px; line-height: 28px; color: var(--rq-rouge); font-weight: 700; }
.rq3d-taxes { font-size: 12px; line-height: 15px; color: #6a7a90; }

.rq3d-panneau { padding: 16px 18px 6px; }
.rq3d-question { font-family: var(--rq-police-titre); font-size: 20px; line-height: 27px; color: var(--rq-bleu-titre); font-weight: 600; text-transform: uppercase; margin: 0 0 14px; }
.rq3d-choix { display: grid; gap: 10px; }
.rq3d-choix-types { grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); }
.rq3d-choix-unites { grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); }
.rq3d-choix-pieces { grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); }
.rq3d-carte {
  display: grid; gap: 4px; align-content: start; text-align: left; width: 100%;
  background: var(--rq-blanc); border: 2px solid var(--rq-gris); border-radius: var(--rq-rayon);
  padding: 12px; cursor: pointer; font: inherit; color: inherit;
}
.rq3d-carte:hover { border-color: var(--rq-bleu); }
.rq3d-carte[aria-pressed="true"], .rq3d-choisi { border-color: var(--rq-rouge); box-shadow: inset 0 0 0 1px var(--rq-rouge); }
.rq3d-carte-type[aria-pressed="true"] { background: var(--rq-noir); color: var(--rq-blanc); border-color: var(--rq-noir); }
.rq3d-carte-type[aria-pressed="true"] .rq3d-carte-titre { color: var(--rq-blanc); }
.rq3d-carte-titre { font-family: var(--rq-police-titre); text-transform: uppercase; font-size: 16px; line-height: 21px; color: var(--rq-noir); font-weight: 600; }
.rq3d-carte-sous { font-size: 14px; line-height: 18px; color: #5b6b80; }
.rq3d-prix { font-family: var(--rq-police-titre); font-weight: 700; color: var(--rq-rouge); font-size: 18px; }
.rq3d-carte-unite { padding: 0; cursor: default; }
.rq3d-carte-bouton { display: grid; gap: 4px; text-align: left; border: 0; background: none; padding: 0 12px 4px; cursor: pointer; font: inherit; color: inherit; }
.rq3d-photo { width: calc(100% + 24px); margin: 0 -12px 6px; height: 132px; object-fit: cover; background: var(--rq-gris-clair); display: block; }
.rq3d-lien-fiche { padding: 0 12px 12px; font-size: 14px; color: var(--rq-bleu); text-decoration: underline; }
.rq3d-photo-piece { width: 72px; height: 72px; object-fit: contain; background: var(--rq-blanc); }
.rq3d-carte-aucune { align-content: center; min-height: 64px; }
.rq3d-puces { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 14px; }
.rq3d-puce {
  display: inline-flex; align-items: center; gap: 6px; min-height: 36px; padding: 6px 12px; border: 1px solid var(--rq-gris);
  border-radius: var(--rq-rayon); background: var(--rq-gris-clair); color: var(--rq-noir); cursor: pointer;
  font-family: var(--rq-police-titre); text-transform: uppercase; font-size: 14px;
}
.rq3d-puce[aria-pressed="true"] { background: var(--rq-bleu); border-color: var(--rq-bleu); color: var(--rq-blanc); }
.rq3d-puce-choisie { border-color: var(--rq-rouge); }
.rq3d-puce-marque { color: var(--rq-rouge); font-weight: 700; }
.rq3d-puce[aria-pressed="true"] .rq3d-puce-marque { color: var(--rq-blanc); }

.rq3d-nav { display: flex; justify-content: space-between; gap: 10px; padding: 14px 18px 0; }
.rq3d-nav :only-child { margin-left: auto; }
.rq3d-btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 11px 22px; border: 0; border-radius: var(--rq-rayon);
  font-family: var(--rq-police-titre); text-transform: uppercase; font-weight: 600; font-size: 18px; line-height: 22px; cursor: pointer; text-decoration: none;
}
.rq3d-btn-rouge { background: var(--rq-rouge); color: var(--rq-blanc); }
.rq3d-btn-rouge:hover { background: var(--rq-rouge-fonce); }
.rq3d-btn-bleu { background: var(--rq-bleu); color: var(--rq-blanc); }
.rq3d-btn-bleu:hover { background: var(--rq-bleu-fonce); }
.rq3d-btn-second { background: var(--rq-gris); color: var(--rq-noir); }
.rq3d-btn:disabled { opacity: .45; cursor: not-allowed; }

.rq3d-demande-grille { display: grid; gap: 18px; }
@media (min-width: 720px) and (max-width: 1099px) { .rq3d-demande-grille { grid-template-columns: 1fr 1fr; } }
.rq3d-resume { background: var(--rq-gris-clair); padding: 14px 16px; }
.rq3d-resume h3 { font-family: var(--rq-police-titre); text-transform: uppercase; margin: 0 0 8px; font-size: 17px; color: var(--rq-noir); }
.rq3d-resume ul { list-style: none; margin: 0; padding: 0; }
.rq3d-resume li { display: flex; justify-content: space-between; gap: 12px; padding: 6px 0; border-bottom: 1px solid var(--rq-gris); font-size: 15px; }
.rq3d-resume li .rq3d-prix { font-size: 16px; white-space: nowrap; }
.rq3d-resume-total { display: flex; justify-content: space-between; align-items: baseline; margin: 10px 0 0; font-family: var(--rq-police-titre); text-transform: uppercase; }
.rq3d-resume-total .rq3d-prix { font-size: 24px; }
.rq3d-form { display: grid; gap: 10px; }
.rq3d-champ { display: grid; gap: 4px; font-size: 15px; }
.rq3d-champ span { font-family: var(--rq-police-titre); text-transform: uppercase; font-size: 14px; color: var(--rq-noir); }
.rq3d-champ input, .rq3d-champ select, .rq3d-champ textarea {
  font: 16px/22px var(--rq-police-texte); color: var(--rq-texte); border: 1px solid #b9c3d0; border-radius: 0; padding: 9px 10px; background: var(--rq-blanc); width: 100%;
}
.rq3d-champ input:invalid:not(:placeholder-shown) { border-color: var(--rq-rouge); }
.rq3d-note { font-size: 14px; line-height: 19px; margin: 4px 0; }
.rq3d-envoyer { width: 100%; border-left: 20px solid var(--rq-rouge-fonce); }
.rq3d-fin { display: grid; gap: 12px; }
.rq3d-demande { max-height: 220px; overflow: auto; background: var(--rq-gris-clair); padding: 10px; font-size: 12px; line-height: 16px; white-space: pre-wrap; }

.rq3d :focus-visible { outline: 3px solid var(--rq-jaune); outline-offset: 2px; }
.rq3d.rq3d-plein, .rq3d:fullscreen { position: fixed; inset: 0; z-index: 9999; overflow: auto; --rq3d-hauteur: 70vh; }
@media (min-width: 1100px) { .rq3d:fullscreen { --rq3d-hauteur: 100vh; } }
@media (max-width: 640px) {
  .rq3d { --rq3d-hauteur: clamp(300px, 52vh, 460px); }
  .rq3d-onglet { font-size: 13px; padding: 6px 4px; min-height: 48px; flex-direction: column; gap: 2px; }
  .rq3d-total { min-width: 0; width: 100%; grid-auto-flow: column; justify-content: space-between; align-items: baseline; border-top: 1px solid var(--rq-gris); }
  .rq3d-choix-unites, .rq3d-choix-pieces { grid-template-columns: 1fr 1fr; }
  .rq3d-btn-vue { padding: 8px 9px; font-size: 12px; }
  .rq3d-panneau { padding: 14px 12px 4px; }
  .rq3d-nav { padding: 12px 12px 0; }
}
@media (prefers-reduced-motion: reduce) { .rq3d * { transition: none !important; } }