/* ============================================================
   NIGHTFALL EXPRESS — GALLERY
   ============================================================ */

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: var(--space-md);
}

.gallery-item {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: transform var(--transition-mid), box-shadow var(--transition-mid), border-color var(--transition-mid);
}

.gallery-item:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-hover);
  z-index: 2;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
  filter: grayscale(0.2) contrast(1.05);
}

.gallery-item:hover img {
  transform: scale(1.06);
  filter: grayscale(0) contrast(1.1);
}

/* Overlay on hover */
.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(8,10,13,0.85) 100%);
  opacity: 0;
  transition: opacity var(--transition-mid);
  display: flex;
  align-items: flex-end;
  padding: var(--space-md);
}

.gallery-item:hover .gallery-overlay { opacity: 1; }

.gallery-caption {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--silver);
}

/* Placeholder (no image yet) */
.gallery-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  color: var(--fog);
  font-family: var(--font-heading);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.gallery-placeholder svg {
  width: 32px;
  height: 32px;
  opacity: 0.4;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(8,10,13,0.96);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-mid), visibility var(--transition-mid);
}

.lightbox.open {
  opacity: 1;
  visibility: visible;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  filter: grayscale(0.1) contrast(1.05);
}

.lightbox-close {
  position: absolute;
  top: var(--space-xl);
  right: var(--space-xl);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.5rem 1rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lightbox-close:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 820px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(3, 1fr);
  }
}

@media (max-width: 500px) {
  .gallery-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
}