/* SECTION GÉNÉRALE */
.section-galerie {
  padding: 4rem 1.5rem;
  background: var(--section-alt-bg, transparent);
}

.section-galerie:not(:last-child) {
  border-bottom: 1px solid rgba(148, 163, 184, 0.15);
}

[data-theme="dark"] .section-galerie {
  background: var(--bg-elevated, #020617);
}

.container-galerie {
  max-width: 1100px;
  margin: 0 auto;
}

/* HEADER */
.galerie-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.galerie-title {
  font-size: clamp(1.8rem, 3vw, 2.3rem);
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--text-strong, #0f172a);
}

[data-theme="dark"] .galerie-title {
  color: var(--text-strong-dark, #e5e7eb);
}

.galerie-subtitle {
  margin-top: 0.75rem;
  max-width: 46rem;
  margin-inline: auto;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-muted, #6b7280);
}

[data-theme="dark"] .galerie-subtitle {
  color: var(--text-muted-dark, #9ca3af);
}

/* COMPOSANT GRID */
photos-grid {
  display: block;
}

/* Les lignes internes générées par JS utilisent display:grid */
photos-grid > div {
  /* transition douce quand le layout change */
  transition: transform 220ms ease, opacity 220ms ease;
}

/* IMAGES */
.galerie-item {
  position: relative;
  overflow: hidden;
  border-radius: 1rem;
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.15), transparent 55%);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.25);
  display: block;
  isolation: isolate;
}

[data-theme="light"] .galerie-item {
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.10);
}

.galerie-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;

  transform: scale(1.02);
  transition: transform 260ms ease, filter 260ms ease, opacity 300ms ease;
  opacity: 0;
}

/* Effet "fade-in" quand l'image est chargée */
.galerie-item img[data-loaded="true"] {
  opacity: 1;
}

/* HOVER premium */
.galerie-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(59, 130, 246, 0.18), transparent 70%);
  opacity: 0;
  mix-blend-mode: screen;
  transition: opacity 260ms ease;
  pointer-events: none;
}

.galerie-item:hover img {
  transform: scale(1.07);
  filter: brightness(1.05);
}

.galerie-item:hover::after {
  opacity: 1;
}

/* PETITES ADAPTATIONS RESPONSIVE */
@media (max-width: 768px) {
  .section-galerie {
    padding-block: 3rem;
  }

  .galerie-header {
    margin-bottom: 1.75rem;
  }
}