/* ============================================================
   TRES FORCAS — Gallery Page Styles
   ============================================================ */

/* Filter bar */
.gallery-filter-bar {
  display: flex; gap: 0.8rem; flex-wrap: wrap;
  justify-content: center; margin: 2.5rem 0 3rem;
}
.filter-btn {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.62rem; letter-spacing: 0.18em; text-transform: uppercase;
  padding: 0.55rem 1.4rem; border-radius: 20px; cursor: none;
  border: 1px solid var(--border); color: var(--muted);
  background: transparent;
  transition: all var(--trans);
}
.filter-btn.active, .filter-btn:hover {
  background: var(--gold); color: var(--navy);
  border-color: var(--gold); box-shadow: 0 4px 16px rgba(201,168,76,0.3);
}

/* Masonry grid */
.masonry-grid {
  columns: 3; column-gap: 8px;
}
.masonry-item {
  break-inside: avoid; margin-bottom: 8px;
  position: relative; overflow: hidden; border-radius: 2px;
  cursor: none;
}
.masonry-item.hidden { display: none; }
.masonry-item.show-anim { animation: grid-pop 0.45s var(--ease) both; }
@keyframes grid-pop { from { opacity: 0; transform: scale(0.92); } to { opacity: 1; transform: none; } }

.masonry-bg {
  width: 100%; display: block;
  transition: transform 0.55s var(--ease);
}
.masonry-item:hover .masonry-bg { transform: scale(1.07); }

/* Overlay */
.masonry-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,15,30,0.88) 0%, transparent 55%);
  opacity: 0; transition: opacity 0.4s ease;
  display: flex; align-items: flex-end; padding: 1.2rem 1.2rem;
}
.masonry-item:hover .masonry-overlay { opacity: 1; }
.masonry-caption { color: var(--gold); font-family: 'Playfair Display', serif; font-size: 0.95rem; }

/* Lightbox */
#lightbox {
  position: fixed; inset: 0; z-index: 9000;
  background: rgba(4,7,16,0.97); backdrop-filter: blur(16px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transition: opacity 0.35s ease, visibility 0.35s ease;
}
#lightbox.open { opacity: 1; visibility: visible; }
.lightbox-inner {
  position: relative; max-width: 900px; width: 92%; padding: 1rem;
  transform: scale(0.9); transition: transform 0.35s var(--ease);
}
#lightbox.open .lightbox-inner { transform: scale(1); }
.lightbox-visual {
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--border);
}
.lightbox-bg {
  width: 100%; height: 560px;
  display: flex; align-items: center; justify-content: center;
  font-size: 8rem; opacity: 0.25;
}
.lightbox-caption-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 0.5rem; gap: 1rem;
}
.lightbox-caption { font-family: 'Playfair Display', serif; font-size: 1.2rem; color: var(--ivory); }
.lightbox-close {
  width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--ivory); font-size: 1.1rem; cursor: none;
  transition: background var(--trans), border-color var(--trans), color var(--trans);
  flex-shrink: 0;
}
.lightbox-close:hover { background: var(--gold); border-color: var(--gold); color: var(--navy); }
.lightbox-nav { position: absolute; top: 50%; transform: translateY(-50%); display: flex; justify-content: space-between; width: calc(100% + 80px); left: -40px; pointer-events: none; }
.lightbox-prev, .lightbox-next {
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(10,15,30,0.8); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--ivory); cursor: none; pointer-events: all;
  transition: background var(--trans), border-color var(--trans);
}
.lightbox-prev:hover, .lightbox-next:hover { background: var(--gold); border-color: var(--gold); color: var(--navy); }

@media (max-width: 900px) { .masonry-grid { columns: 2; } }
@media (max-width: 540px) {
  .masonry-grid { columns: 1; }
  .lightbox-bg { height: 300px; }
  .lightbox-nav { width: 100%; left: 0; padding: 0 0.5rem; }
}