.page-galerie .nav::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 190%;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(
    to bottom,
    rgba(12, 9, 8, 0.42),
    rgba(12, 9, 8, 0)
  );
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}
.page-galerie .nav--light::before {
  opacity: 1;
}

.gal {
  --gal-gap: 10px;
  --gal-full-h: 88svh;
  --gal-trio-ratio: 3 / 4;

  padding: var(--gal-gap);
}
.gal__stack {
  display: flex;
  flex-direction: column;
  gap: var(--gal-gap);
}

.gal__bloc--trio {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gal-gap);
}

.gal__ph {
  position: relative;
  overflow: hidden;
  background: rgba(79, 5, 40, 0.05);
}
.gal__bloc--full .gal__ph {
  height: var(--gal-full-h);
}
.gal__bloc--trio .gal__ph {
  aspect-ratio: var(--gal-trio-ratio);
}
.gal__ph img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.04);
  transition:
    opacity 0.9s var(--ease),
    transform 1.6s var(--ease);
}
.gal__ph.is-loaded img {
  opacity: 1;
  transform: none;
}

.gal__sentinel {
  height: 1px;
}
.gal__note {
  padding: clamp(3rem, 9vh, 6rem) var(--site-margin);
  text-align: center;
  font-style: italic;
  color: var(--ink);
}

.page-galerie .contact {
  margin-top: clamp(3rem, 9vh, 6rem);
}

@media (max-width: 620px) {
  .page-galerie .contact {
    padding-top: clamp(2.4rem, 5vw, 4rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .gal__ph img {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Agrandissement plein ecran, tactile uniquement : les attributs role/tabindex
   sont poses par js/galerie.js quand le media query correspond. */
.gal__ph[role="button"] {
  cursor: zoom-in;
  -webkit-tap-highlight-color: transparent;
}

.gal__zoom {
  --zoom-marge: 10px;

  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(3rem, 8vh, 4.5rem) var(--zoom-marge) clamp(1.6rem, 5vh, 3rem);
  /* Opaque : la nav fixe ne doit pas transparaitre derriere la photo. */
  background: #0c0908;
  touch-action: none;
  -webkit-tap-highlight-color: transparent;
  opacity: 0;
  transition: opacity 0.32s var(--ease);
}
.gal__zoom[hidden] {
  display: none;
}
.gal__zoom.is-open {
  opacity: 1;
}

.gal__zoom-img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transform: scale(0.985);
  transition: transform 0.32s var(--ease);
}
.gal__zoom.is-open .gal__zoom-img {
  transform: none;
}
/* Pendant le glissement, la position suit le doigt : pas de transition. */
.gal__zoom.is-drag,
.gal__zoom.is-drag .gal__zoom-img {
  transition: none;
}

.gal__zoom-close {
  position: absolute;
  top: 0;
  right: 0;
  z-index: 1;
  padding: clamp(1.1rem, 3.5vh, 1.6rem) var(--site-margin);
  color: var(--paper);
}

/* La page ne defile plus derriere l'agrandissement. */
html.has-gal-zoom,
html.has-gal-zoom body {
  overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
  .gal__zoom,
  .gal__zoom-img {
    transition: none;
  }
  .gal__zoom-img {
    transform: none;
  }
}