/* ============================================================
   GALLERY.CSS — Old Town Renovations, LLC
   Styles specific to gallery.html: filter buttons and the
   masonry project grid. (The lightbox itself is a shared
   component — see components.css.)
   ============================================================ */

/* ─── FILTERS ----------------------------------------- */
.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 3rem;
}

.filter-btn {
  padding: 0.55rem 1.3rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 2px solid var(--clr-border);
  border-radius: 100px;
  color: var(--clr-text-lt);
  background: var(--clr-white);
  transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--clr-walnut);
  border-color: var(--clr-walnut);
  color: var(--clr-white);
}

.filter-btn.active { background: var(--clr-amber); border-color: var(--clr-amber); }

/* ─── MASONRY GRID ----------------------------------------- */
.gallery-masonry {
  columns: 3;
  column-gap: 1.1rem;
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: 1.1rem;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.gallery-item.hidden {
  display: none;
}

.gallery-img {
  width: 100%;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s ease;
}

/* varying heights for masonry effect */
.gallery-item:nth-child(5n+1) .gallery-img  { height: 300px; }
.gallery-item:nth-child(5n+2) .gallery-img  { height: 240px; }
.gallery-item:nth-child(5n+3) .gallery-img  { height: 340px; }
.gallery-item:nth-child(5n+4) .gallery-img  { height: 220px; }
.gallery-item:nth-child(5n+5) .gallery-img  { height: 270px; }

.gallery-item:hover .gallery-img { transform: scale(1.03); }

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(20,10,4,0.85) 0%, transparent 55%);
  opacity: 0;
  transition: opacity var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.2rem;
}

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

.gallery-cat-badge {
  display: inline-block;
  padding: 0.25rem 0.7rem;
  background: var(--clr-amber);
  color: var(--clr-white);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 100px;
  margin-bottom: 0.4rem;
  width: fit-content;
}

.gallery-overlay h3 {
  font-size: 1rem;
  color: var(--clr-white);
  margin-bottom: 0.15rem;
}

.gallery-overlay p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.72);
}

.gallery-zoom {
  position: absolute;
  top: 1rem; right: 1rem;
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(4px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-white);
  opacity: 0;
  transition: opacity var(--transition), background var(--transition);
}
.gallery-item:hover .gallery-zoom {
  opacity: 1;
}
.gallery-zoom:hover { background: var(--clr-amber); }

/* --- RESPONSIVE ----------------------------------------- */
@media (max-width: 768px) {
  .gallery-masonry { columns: 2; }
}

@media (max-width: 480px) {
  .gallery-masonry { columns: 1; }
}