/* =========================================
   GALERIA — filtry
   ========================================= */
.gallery-section { background: var(--c-dark); }

.gallery-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 3rem;
}
.filter-btn {
  padding: 0.5rem 1.5rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--t-muted-dark);
  border: 1px solid rgba(197,160,89,0.2);
  background: transparent;
  transition: all var(--ease);
}
.filter-btn:hover,
.filter-btn.active {
  background: var(--c-gold);
  border-color: var(--c-gold);
  color: #fff;
}

/* =========================================
   SIATKA ZDJĘĆ
   ========================================= */
.gallery-grid {
  columns: 3;
  column-gap: 1rem;
}
@media (max-width: 768px) { .gallery-grid { columns: 2; } }
@media (max-width: 480px) { .gallery-grid { columns: 1; } }

.gallery-item {
  break-inside: avoid;
  margin-bottom: 1rem;
  overflow: hidden;
  position: relative;
  cursor: pointer;
  display: block;
}
.gallery-item img {
  width: 100%;
  display: block;
  transition: transform 0.5s ease;
}
.gallery-item__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.35s ease;
}
.gallery-item__overlay i {
  color: #fff;
  font-size: 2rem;
  opacity: 0;
  transform: scale(0.7);
  transition: all 0.3s ease;
}
.gallery-item:hover img                { transform: scale(1.06); }
.gallery-item:hover .gallery-item__overlay { background: rgba(0,0,0,0.45); }
.gallery-item:hover .gallery-item__overlay i { opacity: 1; transform: scale(1); }

/* animacja filtrowania */
.gallery-item.hidden { display: none; }
.gallery-item.fade-in { animation: fadeIn 0.4s ease; }
@keyframes fadeIn { from { opacity:0; transform: scale(0.95); } to { opacity:1; transform: scale(1); } }

/* =========================================
   LIGHTBOX
   ========================================= */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.lightbox.is-open {
  opacity: 1;
  pointer-events: all;
}
.lightbox__img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  box-shadow: var(--sh-lg);
  transform: scale(0.95);
  transition: transform 0.3s ease;
}
.lightbox.is-open .lightbox__img { transform: scale(1); }

.lightbox__close {
  position: absolute;
  top: 1.5rem; right: 1.5rem;
  font-size: 1.8rem;
  color: rgba(255,255,255,0.7);
  transition: color var(--ease), transform var(--ease);
}
.lightbox__close:hover { color: #fff; transform: rotate(90deg); }

.lightbox__prev,
.lightbox__next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  color: rgba(255,255,255,0.7);
  padding: 1rem;
  transition: color var(--ease);
}
.lightbox__prev:hover,
.lightbox__next:hover { color: var(--c-gold); }
.lightbox__prev { left: 1rem; }
.lightbox__next { right: 1rem; }

.lightbox__caption {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.85rem;
  font-weight: 300;
  color: rgba(255,255,255,0.6);
  text-align: center;
  white-space: nowrap;
}
.lightbox__counter {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  margin-top: 0.25rem;
}