/* ============================================================
   SETS — galerie 3D immersive
   ============================================================ */

/* Supprime le fond grille 2D hérité de global.css */
.sets {
  --gallery-hw: clamp(150px, 41vw, 320px);
  background-image: none;
  position: fixed;
  inset: 0;
  overflow: hidden;
}

/* ── Scène (conteneur perspective) ───────────────────── */
.gallery3d__world {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  transform-origin: 50% 50%;
  will-change: transform;
}

.gallery3d__env {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  pointer-events: none;
}

.gallery3d__exhibits {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  pointer-events: none;
}

.gallery3d__exhibits > .gallery3d__exhibit {
  pointer-events: auto;
}

.gallery3d {
  position: absolute;
  z-index: 0;
  inset: 0;
  isolation: isolate;
  perspective: clamp(480px, 120vw, 700px);
  perspective-origin: 50% 50%;
  overflow: visible;
  transition: perspective-origin 0.12s linear;
}

/* ── Sol ─────────────────────────────────────────────── */
/*
   Le bord supérieur du plan est ancré à 280 px sous le centre
   (niveau du sol).  rotateX(90deg) bascule le plan à l'horizontal
   en l'envoyant en profondeur (−Z).
*/
.gallery3d__floor {
  position: absolute;
  z-index: 0;
  left: calc(50% - 3000px);
  top: calc(50% + 280px);
  width: 6000px;
  height: 30000px;
  transform-origin: top center;
  transform: rotateX(90deg) translateZ(-120px);
  background-color: #040404;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.22) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.22) 1px, transparent 1px);
  background-size: 80px 80px;
}

/* ── Murs latéraux ────────────────────────────────────── */
.gallery3d__wall {
  backface-visibility: visible;
  -webkit-backface-visibility: visible;
  transform-style: preserve-3d;
}

/* ── Mur gauche ───────────────────────────────────────── */
/*
   Bord gauche ancré au couloir, rotation +90° : face tournée vers le centre.
*/
.gallery3d__wall--left {
  position: absolute;
  z-index: 0;
  left: calc(50% - var(--gallery-hw));
  top: calc(50% - 600px);
  width: 30000px;
  height: 1200px;
  transform-origin: left center;
  transform: rotateY(90deg) translateZ(-2px);
  background-color: #080808;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.14) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.14) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* ── Mur droit ────────────────────────────────────────── */
/*
   Symétrique du mur gauche : bord droit ancré au couloir, rotation −90°
   depuis la droite (plus fiable que left + 30 000 px en 3D).
*/
.gallery3d__wall--right {
  position: absolute;
  z-index: 0;
  right: calc(50% - var(--gallery-hw));
  left: auto;
  top: calc(50% - 600px);
  width: 30000px;
  height: 1200px;
  transform-origin: right center;
  transform: rotateY(-90deg) translateZ(-2px);
  background-color: #080808;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.14) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.14) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* ── Mur du fond (terminus du couloir) ───────────────── */
.gallery3d__back-wall {
  position: absolute;
  z-index: 0;
  left: calc(50% - var(--gallery-hw));
  top: calc(50% - 280px);
  width: calc(var(--gallery-hw) * 2);
  height: 560px;
  /* translateZ injecté par JS selon le dernier tableau */
  background-color: #080808;
  background-image:
    linear-gradient(to right,  rgba(255, 255, 255, 0.10) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.10) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* ── Tableaux (peintures sur les murs) ───────────────── */
.gallery3d__exhibit {
  position: absolute;
  overflow: visible;
  transform-style: preserve-3d;
  backface-visibility: visible;
  -webkit-backface-visibility: visible;
  pointer-events: auto;
  color: var(--color-fg);
  will-change: transform, opacity;
}

/* Contenu 2D isolé du rotateY parent — évite la disparition au hover */
.gallery3d__card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 100%;
  max-width: 100%;
  transform: translateZ(12px);
  transform-style: flat;
  backface-visibility: visible;
  -webkit-backface-visibility: visible;
}

/* Cadre — épouse la miniature 4:3 */
.gallery3d__frame {
  box-sizing: border-box;
  width: fit-content;
  max-width: 100%;
  padding: 10px;
  background: #0c0c0c;
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 0 50px 10px rgba(255, 255, 255, 0.04);
  position: relative;
  z-index: 1;
  transition:
    border-color 0.35s ease,
    box-shadow   0.35s ease;
}

.gallery3d__media {
  display: block;
  width: var(--gallery-thumb-w, 10rem);
  max-width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #1a1a1a;
}

.gallery3d__exhibit:hover .gallery3d__frame,
.gallery3d__exhibit:focus-within .gallery3d__frame {
  border-color: rgba(255, 255, 255, 0.55);
  box-shadow: 0 0 40px 8px rgba(255, 255, 255, 0.08);
}

/* Miniature — hqdefault.jpg = 480×360 (4:3) */
.gallery3d__thumb {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  background: #1a1a1a;
}

@media (hover: hover) and (pointer: fine) {
  .gallery3d__watch:hover,
  .gallery3d__watch:focus-visible {
    color: var(--color-red);
    border-color: var(--color-red);
    opacity: 1;
  }
}

.gallery3d__watch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 8px;
  padding: 0.35em 0.55em;
  border: 1px solid var(--color-fg);
  font-size: clamp(0.5rem, 1.1vw, 0.6875rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
  text-transform: lowercase;
  white-space: nowrap;
  text-decoration: none;
  color: var(--color-fg);
  opacity: 1;
  pointer-events: auto;
  background-color: var(--color-bg);
  background-image:
    linear-gradient(to right, var(--grid-minor-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-minor-line) 1px, transparent 1px),
    linear-gradient(to right, var(--grid-major-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-major-line) 1px, transparent 1px);
  background-size:
    var(--grid-minor) var(--grid-minor),
    var(--grid-minor) var(--grid-minor),
    var(--grid-major) var(--grid-major),
    var(--grid-major) var(--grid-major);
  transition:
    color 0.2s ease,
    border-color 0.2s ease;
}

/* Plaque sous le tableau */
.gallery3d__plaque {
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.gallery3d__plaque-index {
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #ffffff;
}

.gallery3d__plaque-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.3;
  text-transform: lowercase;
  color: #ffffff;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

/* ── HUD ─────────────────────────────────────────────── */
.sets__counter {
  position: fixed;
  bottom: var(--page-pad-y);
  left: var(--page-pad-x);
  z-index: 50;
  display: flex;
  align-items: baseline;
  gap: 0.2em;
  font-size: clamp(0.75rem, 1.5vw, 1rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  opacity: 0.45;
  pointer-events: none;
}

.sets__counter-current {
  font-size: 1.8em;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}

.sets__counter-sep {
  opacity: 0.45;
}

.sets__hint {
  position: fixed;
  bottom: calc(var(--page-pad-y) + 0.5rem);
  left: 50%;
  z-index: 50;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  transform: translateX(-50%);
  pointer-events: none;
  transition: opacity 0.7s ease;
  filter: drop-shadow(0 0 14px rgba(0, 0, 0, 0.9));
}

.sets__hint.hidden {
  opacity: 0;
}

.sets__hint-text {
  display: inline-block;
  padding: 0.2em 0.55em;
  font-size: clamp(0.8125rem, 2.2vw, 1.125rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1;
  text-transform: lowercase;
  color: var(--color-fg);
  background-color: var(--color-red);
  animation: sets-scroll-hint-text 1.4s ease-in-out infinite;
}

.sets__hint-arrow {
  position: relative;
  display: block;
  width: 2px;
  height: clamp(1.75rem, 5vh, 2.75rem);
  background-color: var(--color-fg);
  transform-origin: bottom center;
  animation: sets-scroll-hint-arrow 1.4s ease-in-out infinite;
}

.sets__hint-arrow::after {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 0.55rem;
  height: 0.55rem;
  border-top: 2px solid var(--color-fg);
  border-right: 2px solid var(--color-fg);
  transform: translate(-50%, -50%) rotate(-45deg);
}

@keyframes sets-scroll-hint-text {
  0%,
  100% {
    opacity: 0.88;
    transform: translateY(0);
  }

  50% {
    opacity: 1;
    transform: translateY(-0.15em);
  }
}

/* Swipe / scroll vers le haut pour avancer → flèche vers le haut */
@keyframes sets-scroll-hint-arrow {
  0%,
  100% {
    transform: translateY(0) scaleY(0.65);
    opacity: 0.7;
  }

  50% {
    transform: translateY(-0.65rem) scaleY(1);
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sets__hint-text,
  .sets__hint-arrow {
    animation: none;
  }

  .sets__hint-arrow {
    opacity: 1;
    transform: scaleY(1);
  }
}

@media (min-width: 768px) {
  .gallery3d__plaque-index {
    font-size: clamp(2rem, 3.2vw, 3.25rem);
    letter-spacing: 0.06em;
    line-height: 1;
    color: #ffffff;
  }

  .sets__counter {
    font-size: clamp(1rem, 1.65vw, 1.375rem);
  }

  .sets__counter-current {
    font-size: 3em;
  }

  .sets__hint {
    bottom: calc(var(--page-pad-y) + 1rem);
    gap: 0.75rem;
  }

  .sets__hint-text {
    font-size: clamp(0.9375rem, 1.35vw, 1.25rem);
  }

}

/* ── Assure que le header/menu restent au-dessus de la 3D ── */
/* Couche UI dédiée : Chrome peint mal fixed + z-index à côté d’un parent perspective */
.sets .home__header,
.sets .home__menu,
.sets__counter,
.sets__footer {
  isolation: isolate;
  transform: translateZ(1px);
}

.sets__hint {
  isolation: isolate;
  transform: translateX(-50%) translateZ(1px);
}

.sets .home__header {
  z-index: 40;
}

.sets .home__menu {
  z-index: 41;
}

/* ── Footer crédit (aligné sur home / events) ── */
.sets__footer {
  position: fixed;
  z-index: 50;
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  justify-content: flex-end;
  padding: 0.5rem var(--home-rail-right) var(--page-pad-y);
  background: transparent;
  pointer-events: none;
}

.sets__footer * {
  pointer-events: auto;
}

.sets__credit {
  margin: 0;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  text-transform: lowercase;
  white-space: nowrap;
}

.sets__credit-link {
  display: inline;
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

.sets__credit-vertical {
  display: inline;
}

@media (hover: hover) and (pointer: fine) {
  .sets__credit-link:hover,
  .sets__credit-link:focus-visible {
    color: var(--color-red);
    opacity: 1;
  }
}

@media (min-width: 768px) {
  .sets__footer {
    padding: 0 var(--home-rail-right) var(--page-pad-y) 0;
  }

  .sets__credit {
    font-size: 1.25rem;
    letter-spacing: -0.03em;
  }
}

@media (max-width: 767px) {
  .sets__footer {
    top: 50%;
    right: var(--home-rail-right);
    bottom: auto;
    left: auto;
    width: auto;
    padding: 0;
    transform: translateY(-50%);
    justify-content: flex-end;
    align-items: flex-end;
  }

  .sets__credit {
    box-sizing: border-box;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.05em;
    font-size: clamp(0.75rem, 2.75vw, 0.9375rem);
    letter-spacing: -0.03em;
    white-space: nowrap;
  }

  .sets__credit-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
  }

  .sets__credit-vertical {
    display: inline-block;
    font-size: 0.55em;
    line-height: 1;
    transform: rotate(-90deg);
    transform-origin: center center;
  }
}