/* =====================================================
   Celeste Event — Galerie Réalisations + Lightbox
===================================================== */

/* ─── Filtres catégories ─── */
.gal-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 0.8rem;
  justify-content: center;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.gal-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.4rem;
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--rule);
  cursor: pointer;
  transition: all 0.3s var(--ease-soft);
  white-space: nowrap;
}
.gal-chip:hover {
  border-color: var(--ink);
  color: var(--ink);
}
.gal-chip.active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.gal-chip-count {
  font-size: 0.62rem;
  font-style: italic;
  font-weight: 400;
  opacity: 0.55;
  letter-spacing: 0.05em;
  font-family: var(--serif);
}

/* ─── Grille galerie ─── */
.gal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 2vw, 1.5rem);
}
.gal-item {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--celeste-p);
  cursor: zoom-in;
  transition: opacity 0.4s var(--ease-soft), transform 0.4s var(--ease-soft);
}
.gal-item.is-hidden {
  display: none;
}
.gal-item.is-fade {
  opacity: 0;
  transform: scale(0.97);
}
.gal-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease-soft), filter 0.4s ease;
  display: block;
}
.gal-item:hover img {
  transform: scale(1.05);
}
.gal-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(22,32,53,0.8) 0%, rgba(22,32,53,0) 50%);
  opacity: 0;
  transition: opacity 0.4s var(--ease-soft);
  pointer-events: none;
}
.gal-item:hover::after { opacity: 1; }

.gal-caption {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  right: 1.25rem;
  z-index: 2;
  color: var(--paper);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s var(--ease-soft), transform 0.4s var(--ease-soft);
  pointer-events: none;
}
.gal-item:hover .gal-caption {
  opacity: 1;
  transform: translateY(0);
}
.gal-cap-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.1rem;
  line-height: 1.2;
  margin-bottom: 0.25rem;
}
.gal-cap-meta {
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
}

/* ─── Empty state ─── */
.gal-empty {
  text-align: center;
  padding: 4rem 2rem;
  border: 1px dashed var(--rule);
  background: var(--paper-warm);
  grid-column: 1 / -1;
}
.gal-empty-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1.5rem;
  color: var(--ink-faint);
}
.gal-empty h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.6rem;
  color: var(--ink);
  margin-bottom: 0.75rem;
}
.gal-empty p {
  font-size: 0.95rem;
  color: var(--ink-mute);
  max-width: 380px;
  margin: 0 auto;
}

/* ─── Loading state ─── */
.gal-loading {
  text-align: center;
  padding: 3rem;
  color: var(--ink-mute);
  font-style: italic;
  font-family: var(--serif);
}

/* ─── Lightbox ─── */
.lb {
  position: fixed;
  inset: 0;
  background: rgba(15, 22, 38, 0.96);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s var(--ease-soft);
}
.lb.open {
  display: flex;
  opacity: 1;
}
.lb-inner {
  position: relative;
  max-width: 90vw;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.lb-img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  display: block;
  box-shadow: 0 30px 80px -10px rgba(0,0,0,0.5);
}
.lb-caption {
  margin-top: 1.25rem;
  text-align: center;
  color: var(--paper);
  max-width: 600px;
}
.lb-cap-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.25rem;
  line-height: 1.3;
  margin-bottom: 0.4rem;
}
.lb-cap-meta {
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}
.lb-close,
.lb-prev,
.lb-next {
  position: absolute;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  color: var(--paper);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s var(--ease-soft);
  z-index: 1;
}
.lb-close:hover,
.lb-prev:hover,
.lb-next:hover {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--paper);
}
.lb-close {
  top: 1.5rem;
  right: 1.5rem;
}
.lb-prev {
  left: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
}
.lb-next {
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
}
.lb-counter {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  color: rgba(255,255,255,0.6);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-family: var(--serif);
  font-style: italic;
}

/* ─── Responsive ─── */
@media (max-width: 900px) {
  .gal-grid { grid-template-columns: repeat(2, 1fr); }
  .lb-prev, .lb-next { width: 40px; height: 40px; }
  .lb-prev { left: 0.75rem; }
  .lb-next { right: 0.75rem; }
  .lb-close { top: 0.75rem; right: 0.75rem; }
  .lb-counter { top: 0.75rem; left: 0.75rem; }
}
@media (max-width: 560px) {
  .gal-grid { grid-template-columns: 1fr; gap: 0.75rem; }
  .gal-chip { padding: 0.55rem 1.1rem; font-size: 0.65rem; }
  .gal-item { aspect-ratio: 3 / 4; }
  .gal-caption { opacity: 1; transform: none; }
  .gal-item::after { opacity: 0.85; }
}

@media (prefers-reduced-motion: reduce) {
  .gal-item, .gal-item img, .gal-item::after,
  .gal-caption, .lb { transition: none !important; }
}