/* ═══════════════════════════════════════════════════════════
   GALERÍA + LIGHTBOX · Syncros (compartido home §05 + página Espacios)
   ───────────────────────────────────────────────────────────
   Mosaico editable (Customizer) · sin texto por imagen. Lightbox
   A10 (≥85% viewport) en assets/js/lightbox.js. Portado del
   prototipo (assets/site.css).
   ═══════════════════════════════════════════════════════════ */

.galeria {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: 250px;
  gap: 16px;
  margin-top: 58px;
  grid-auto-flow: dense;
}
.lamina {
  position: relative;
  overflow: hidden;
  background: var(--sy-greige);
}
.lamina img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease-premium);
  filter: saturate(0.97);
  cursor: zoom-in;
}
.lamina:hover img {
  transform: scale(1.05);
}
.g-a {
  grid-column: span 4;
  grid-row: span 2;
}
.g-b {
  grid-column: span 2;
}
.g-c {
  grid-column: span 2;
}
.g-d {
  grid-column: span 3;
}
.g-e {
  grid-column: span 3;
}

@media (max-width: 900px) {
  .galeria {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: 200px;
  }
  .g-a,
  .g-b,
  .g-c,
  .g-d,
  .g-e {
    grid-column: span 1;
    grid-row: span 1;
  }
}

/* ── Lightbox (A10 · ≥85% viewport) ── */
.lb {
  position: fixed;
  inset: 0;
  background: rgba(12, 12, 10, 0.95);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
}
.lb.open {
  display: flex;
}
.lb img {
  max-width: 94vw;
  max-height: 90vh;
  object-fit: contain;
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.8);
}
.lb button {
  position: absolute;
  background: none;
  border: 0;
  color: #fff;
  cursor: pointer;
  font-family: var(--font-display);
  opacity: 0.82;
  transition:
    opacity 0.25s var(--ease-premium),
    color 0.25s var(--ease-premium);
  line-height: 1;
}
.lb button:hover {
  opacity: 1;
  color: var(--sy-naranja);
}
.lb__close {
  top: 22px;
  right: 30px;
  font-size: 2.6rem;
}
.lb__prev,
.lb__next {
  top: 50%;
  transform: translateY(-50%);
  font-size: 3.6rem;
  padding: 0 24px;
}
.lb__prev {
  left: 8px;
}
.lb__next {
  right: 8px;
}
@media (max-width: 600px) {
  .lb__prev,
  .lb__next {
    font-size: 2.4rem;
    padding: 0 12px;
  }
}