/* ==========================================================================
   Athletic Pilates — Styles spécifiques aux pages produit
   Chargé uniquement sur /produits/*
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Bloc principal : galerie + panneau de configuration
   -------------------------------------------------------------------------- */
.product-hero {
  display: grid;
  /* Colonne image élargie : le visuel produit est l'argument principal. */
  grid-template-columns: 1.45fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
  padding-block: clamp(2.5rem, 5vw, 4.5rem);
}

/* Galerie ------------------------------------------------------------------ */
.gallery { position: sticky; top: calc(var(--header-h) + 1.5rem); }

.gallery__stage {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--oak-wash);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
}
.gallery__stage img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  position: absolute;
  inset: 0;
  transition: opacity .45s var(--ease);
}
.gallery__stage img.is-active { opacity: 1; position: relative; }

.gallery__counter {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  z-index: 2;
  background: rgba(33,29,24,.82);
  color: var(--cream);
  font-size: var(--fs-micro);
  letter-spacing: .1em;
  padding: .35rem .7rem;
  border-radius: 999px;
}

.gallery__arrows {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: .75rem;
  pointer-events: none;
}
.gallery__arrows button {
  pointer-events: auto;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: rgba(251,249,246,.9);
  color: var(--ink);
  cursor: pointer;
  transition: background .25s var(--ease), transform .25s var(--ease);
}
.gallery__arrows button:hover { background: var(--cream); transform: scale(1.06); }

.gallery__thumbs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: .6rem;
  margin-top: .8rem;
}
.gallery__thumb {
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  padding: 0;
  background: var(--oak-wash);
  cursor: pointer;
  transition: border-color .25s var(--ease), opacity .25s var(--ease);
  opacity: .65;
}
.gallery__thumb img { width: 100%; height: 100%; object-fit: cover; }
.gallery__thumb:hover { opacity: 1; }
.gallery__thumb.is-active { border-color: var(--oak); opacity: 1; }

/* Panneau de configuration ------------------------------------------------- */
.config { display: flex; flex-direction: column; }

.config__rating {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-size: var(--fs-small);
  color: var(--ink-soft);
  margin-bottom: 1rem;
}
.config__rating .stars { color: var(--oak); letter-spacing: .12em; }

.config h1 { font-size: clamp(2rem, 3.6vw, 3rem); margin-bottom: .3em; }

.config__tagline {
  font-size: 1.05rem;
  color: var(--ink-soft);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.config__price {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  flex-wrap: wrap;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 1.75rem;
}
.config__price .amount { font-family: var(--font-display); font-size: 2rem; line-height: 1; }
.config__price .from {
  font-size: var(--fs-micro);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.config__price .vat { font-size: var(--fs-micro); color: var(--ink-mute); width: 100%; }

/* Groupes d'options -------------------------------------------------------- */
.option-group { margin-bottom: 1.6rem; }

.option-group__label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  font-size: var(--fs-micro);
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: .7rem;
}
.option-group__label .selected {
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  font-size: var(--fs-small);
  color: var(--ink);
}

.option-row { display: flex; flex-wrap: wrap; gap: .55rem; }

.option-chip {
  flex: 1 1 auto;
  min-width: 120px;
  padding: .85rem 1.25rem;
  background: var(--paper);
  border: 1px solid var(--line);
  /* Boutons arrondis */
  border-radius: 999px;
  font-size: var(--fs-small);
  cursor: pointer;
  text-align: left;
  line-height: 1.35;
  transition: border-color .25s var(--ease), background .25s var(--ease);
}
.option-chip span {
  display: block;
  font-size: var(--fs-micro);
  color: var(--ink-mute);
  margin-top: .15rem;
}
.option-chip:hover { border-color: var(--oak); }
.option-chip.is-active {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--cream);
}
.option-chip.is-active span { color: rgba(251,249,246,.65); }

/* Onglets de familles de teintes ------------------------------------------- */
.swatch-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-bottom: 1rem;
}

.swatch-tab {
  padding: .5rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  font-size: var(--fs-micro);
  letter-spacing: .08em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--ink-soft);
  cursor: pointer;
  transition: background .25s var(--ease), color .25s var(--ease),
              border-color .25s var(--ease);
}
.swatch-tab:hover { border-color: var(--oak); color: var(--ink); }
.swatch-tab.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--cream);
}

.swatch-panneau[hidden] { display: none; }

/* Nuancier ----------------------------------------------------------------- */
.swatch-row { display: flex; flex-wrap: wrap; gap: .5rem; }
.swatch {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--line);
  cursor: pointer;
  padding: 0;
  position: relative;
  transition: transform .2s var(--ease);
}
.swatch:hover { transform: scale(1.12); }
.swatch.is-active { box-shadow: 0 0 0 2px var(--bone), 0 0 0 3px var(--ink); }

.swatch-group__title {
  font-size: var(--fs-micro);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin: 1rem 0 .5rem;
}

/* Bloc de réassurance dans le panneau -------------------------------------- */
.config__trust {
  display: grid;
  gap: .7rem;
  padding: 1.25rem;
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  margin-block: 1.75rem;
}
.config__trust div {
  display: flex;
  gap: .7rem;
  align-items: flex-start;
  font-size: var(--fs-small);
  color: var(--ink-soft);
}
.config__trust svg { flex-shrink: 0; color: var(--oak-deep); margin-top: .2em; }
.config__trust strong { color: var(--ink); font-weight: 600; }

.config__cta { display: grid; gap: .7rem; }

.config__note {
  font-size: var(--fs-micro);
  color: var(--ink-mute);
  text-align: center;
  margin-top: .9rem;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   2. Bandeau de points clés
   -------------------------------------------------------------------------- */
.keypoints { counter-reset: kp; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line-dark); }
.keypoint { counter-increment: kp; background: var(--char); padding: clamp(1.75rem, 3vw, 2.5rem); }
.keypoint::before {
  content: "0" counter(kp);
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--oak);
  margin-bottom: .8rem;
}
.keypoint h3 { font-family: var(--font-body); font-size: var(--fs-small); font-weight: 600; letter-spacing: .02em; margin-bottom: .5rem; color: var(--cream); }
.keypoint p { font-size: var(--fs-small); color: rgba(251,249,246,.7); line-height: 1.55; }

/* --------------------------------------------------------------------------
   3. Tableau de spécifications
   -------------------------------------------------------------------------- */
.specs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 clamp(2rem, 5vw, 4rem); }
.spec-row {
  display: grid;
  grid-template-columns: minmax(140px, 38%) 1fr;
  gap: 1.5rem;
  padding-block: 1rem;
  border-bottom: 1px solid var(--line);
  font-size: var(--fs-small);
  align-items: baseline;
}
.spec-row dt { color: var(--ink-mute); letter-spacing: .02em; }
.spec-row dd { margin: 0; color: var(--ink); font-weight: 500; }

/* --------------------------------------------------------------------------
   4. Comparatif des essences de bois
   -------------------------------------------------------------------------- */
.wood-compare { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(1.25rem, 3vw, 2rem); }
.wood-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.wood-card__media { aspect-ratio: 16 / 9; background: var(--oak-wash); }
.wood-card__media img { width: 100%; height: 100%; object-fit: cover; }
.wood-card__body { padding: clamp(1.5rem, 3vw, 2rem); flex: 1; display: flex; flex-direction: column; }
.wood-card__body h3 { margin-bottom: .5rem; }
.wood-card__body p { font-size: var(--fs-small); color: var(--ink-soft); flex: 1; }
.wood-card__meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: var(--fs-micro);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* --------------------------------------------------------------------------
   5. Liste des accessoires inclus
   -------------------------------------------------------------------------- */
.included {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .1rem 2rem;
}
.included li {
  display: flex;
  gap: .75rem;
  align-items: flex-start;
  padding-block: .7rem;
  border-bottom: 1px solid var(--line);
  font-size: var(--fs-small);
  margin: 0;
}
.included svg { flex-shrink: 0; color: var(--oak-deep); margin-top: .25em; }

.section--dark .included li { border-color: var(--line-dark); }

/* --------------------------------------------------------------------------
   6. Bandeau devis studio (remplace le tunnel d'achat)
   -------------------------------------------------------------------------- */
.quote-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

/* .quote-benefits a été déplacé vers css/style.css :
   ce composant est aussi utilisé sur commencer.html et studios.html,
   qui ne chargent pas cette feuille. */

/* --------------------------------------------------------------------------
   6 bis. Bande galerie pleine largeur
   Tous les visuels alignés sur une seule bande, chacun cliquable.
   -------------------------------------------------------------------------- */
.galerie-bande {
  position: relative;          /* ancre les flèches de défilement */
  width: 100%;
  background: var(--oak-wash);
  padding-block: 0;
}

/* Flèches de défilement de la bande */
.galerie-bande__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 50%;
  background: rgba(251, 249, 246, .92);
  color: var(--ink);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: background .25s var(--ease), transform .25s var(--ease), opacity .25s var(--ease);
}
.galerie-bande__nav:hover { background: var(--cream); transform: translateY(-50%) scale(1.06); }
.galerie-bande__nav--prec { left: clamp(.75rem, 2vw, 1.5rem); }
.galerie-bande__nav--suiv { right: clamp(.75rem, 2vw, 1.5rem); }
.galerie-bande__nav[disabled] { opacity: 0; pointer-events: none; }

.galerie-bande__piste {
  display: flex;
  gap: 2px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.galerie-bande__piste::-webkit-scrollbar { width: 0; height: 0; display: none; }

.galerie-bande__vue {
  flex: 0 0 clamp(260px, 24vw, 360px);
  scroll-snap-align: start;
  aspect-ratio: 4 / 3;
  padding: 0;
  border: 0;
  background: var(--oak-wash);
  cursor: zoom-in;
  overflow: hidden;
  position: relative;
}
.galerie-bande__vue img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ease), opacity .3s var(--ease);
}
.galerie-bande__vue:hover img { transform: scale(1.05); opacity: .92; }
.galerie-bande__vue:focus-visible { outline: 2px solid var(--oak); outline-offset: -4px; }

/* --------------------------------------------------------------------------
   6 bis-2. Mosaïque vidéo — quatre plans verticaux accolés
   Quatre formats 9:16 côte à côte donnent un rectangle de 36:16 (2,25:1).
   -------------------------------------------------------------------------- */
.video-mosaique {
  width: 80%;
  margin-inline: auto;
  margin-block: clamp(2rem, 5vw, 4rem);
}

.video-mosaique__grille {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;                       /* les plans doivent être jointifs */
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--char);
}

.video-mosaique video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  /* Décor : aucune interaction, donc aucun contrôle natif au survol. */
  pointer-events: none;
  -webkit-user-select: none;
  user-select: none;
}
.video-mosaique video::-webkit-media-controls { display: none !important; }

@media (max-width: 900px) {
  .video-mosaique { width: 92%; }
}
@media (max-width: 720px) {
  /* Quatre colonnes deviennent illisibles : on passe en 2 × 2. */
  .video-mosaique__grille { grid-template-columns: repeat(2, 1fr); }
}

/* --------------------------------------------------------------------------
   6 ter. Visionneuse plein écran
   -------------------------------------------------------------------------- */
.visionneuse {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: clamp(1rem, 4vw, 3rem);
  background: rgba(15, 13, 10, .94);
}
.visionneuse[hidden] { display: none; }

.visionneuse__img {
  max-width: min(92vw, 1400px);
  max-height: 86vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius);
}

.visionneuse__fermer,
.visionneuse__nav {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(251,249,246,.28);
  border-radius: 50%;
  background: rgba(251,249,246,.08);
  color: var(--cream);
  cursor: pointer;
  transition: background .25s var(--ease), border-color .25s var(--ease);
}
.visionneuse__fermer:hover,
.visionneuse__nav:hover { background: rgba(251,249,246,.2); border-color: var(--cream); }

.visionneuse__fermer { position: absolute; top: clamp(1rem,3vw,2rem); right: clamp(1rem,3vw,2rem); }

.visionneuse__compteur {
  position: absolute;
  bottom: clamp(1rem, 3vw, 2rem);
  left: 50%;
  transform: translateX(-50%);
  color: rgba(251,249,246,.75);
  font-size: var(--fs-small);
  letter-spacing: .1em;
}

/* --------------------------------------------------------------------------
   6 quater. Bloc « appareil complet »
   -------------------------------------------------------------------------- */
/* Section « appareil complet » : colonne image élargie et format plus haut,
   pour que le visuel pèse autant que le texte qui l'accompagne. */
.split--visuel-large { grid-template-columns: 1.35fr 1fr; }
.split--visuel-large .split__media { aspect-ratio: 4 / 3; }

@media (max-width: 900px) {
  .split--visuel-large { grid-template-columns: 1fr; }
}

/* Visuel principal — colonne de gauche du bloc produit, cliquable */
.produit-visuel { position: sticky; top: calc(var(--header-h) + 1.5rem); }

/* --- Vue 3D interactive -------------------------------------------------- */
.produit-visuel__3d {
  display: block;
  width: 100%;
  /* `height: auto` est indispensable : <model-viewer> se donne une hauteur
     par défaut de 150 px, qui neutraliserait aspect-ratio. */
  height: auto;
  aspect-ratio: 5 / 4;
  background: var(--oak-wash);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  /* L'affiche de repli couvre le cadre pendant le chargement du modèle. */
  --poster-color: transparent;
  --progress-bar-color: var(--oak);
  --progress-bar-height: 3px;
}

/* Affiche de chargement — remplace l'image de repli le temps que le
   modèle soit téléchargé puis décodé. model-viewer la retire tout seul
   dès que la scène est prête. */
.vue3d-chargement {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.15rem;
  width: 100%;
  height: 100%;
  background: var(--oak-wash);
}

.vue3d-chargement__anneau {
  width: 42px;
  height: 42px;
  border: 2px solid rgba(176, 131, 85, .3);
  border-top-color: var(--oak-deep);
  border-radius: 50%;
  animation: vue3d-rotation .9s linear infinite;
}

@keyframes vue3d-rotation { to { transform: rotate(360deg); } }

.vue3d-chargement__texte {
  margin: 0;
  font-size: var(--fs-micro);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-align: center;
}

/* Un indicateur de chargement reste utile même quand l'utilisateur limite
   les animations : on remplace la rotation par une pulsation douce plutôt
   que de la figer, ce que la règle globale ferait sinon. */
@media (prefers-reduced-motion: reduce) {
  .vue3d-chargement__anneau {
    animation: vue3d-pulsation 1.8s ease-in-out infinite !important;
    animation-duration: 1.8s !important;
  }
}
@keyframes vue3d-pulsation { 50% { opacity: .35; } }

.produit-visuel__aide {
  margin-top: .75rem;
  font-size: var(--fs-micro);
  letter-spacing: .04em;
  color: var(--ink-mute);
  text-align: center;
}

/* Le modèle n'a pas pu se charger : l'affiche reste, on prévient l'utilisateur. */
.produit-visuel.a-echoue .produit-visuel__aide::after {
  content: " — vue 3D indisponible sur cet appareil";
  color: var(--danger);
}

.produit-visuel__vue {
  display: block;
  width: 100%;
  /* Format plus haut que le 4/3 initial : le visuel gagne en surface. */
  aspect-ratio: 5 / 4;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--oak-wash);
  cursor: zoom-in;
}
.produit-visuel__vue img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ease);
}
.produit-visuel__vue:hover img { transform: scale(1.03); }
.produit-visuel__vue:focus-visible { outline: 2px solid var(--oak); outline-offset: 3px; }

@media (max-width: 900px) {
  .produit-visuel { position: static; }
}

.apparatus-points { list-style: none; padding: 0; margin: 1.75rem 0 0; }
.apparatus-points li {
  position: relative;
  padding: .85rem 0 .85rem 1.6rem;
  border-top: 1px solid var(--line);
  font-size: var(--fs-small);
  color: var(--ink-soft);
  margin: 0;
}
.apparatus-points li:last-child { border-bottom: 1px solid var(--line); }
.apparatus-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.4rem;
  width: 9px;
  height: 5px;
  border-left: 1.7px solid var(--oak);
  border-bottom: 1.7px solid var(--oak);
  transform: rotate(-45deg);
}
.apparatus-points strong { color: var(--ink); font-weight: 600; display: block; }

/* Dépliant des caractéristiques — <details> natif, sans JavaScript */
.specs-repli { margin-top: 2rem; border-top: 1px solid var(--line); }
.specs-repli > summary {
  cursor: pointer;
  list-style: none;
  padding: 1.15rem 0;
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: color .25s var(--ease);
}
.specs-repli > summary::-webkit-details-marker { display: none; }
.specs-repli > summary::after {
  content: "";
  flex-shrink: 0;
  width: 9px;
  height: 9px;
  border-right: 1.6px solid currentColor;
  border-bottom: 1.6px solid currentColor;
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform .3s var(--ease);
}
.specs-repli[open] > summary::after { transform: rotate(-135deg) translate(-3px, -3px); }
.specs-repli > summary:hover { color: var(--oak-deep); }

.specs--repli { grid-template-columns: 1fr; padding-bottom: 1rem; }

/* --------------------------------------------------------------------------
   7. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1080px) {
  .keypoints { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .product-hero { grid-template-columns: 1fr; }
  .gallery { position: static; }
  .specs { grid-template-columns: 1fr; }
  .quote-split { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .keypoints, .wood-compare, .included { grid-template-columns: 1fr; }
  .gallery__thumbs { grid-template-columns: repeat(4, 1fr); }
  .option-chip { min-width: 100%; }
}