@import url('variables.css');
@import url('common.css');

/* ===== PAGE HEADER ===== */
.page-hdr {
  padding: var(--s5) var(--px);
  border-bottom: var(--b);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--s4);
}
.page-hdr-title {
  font-size: clamp(1.3rem, 3vw, 2.8rem);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  line-height: 1;
}
.page-hdr-count {
  font-size: var(--fs-xs);
  color: var(--c-g2);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-top: var(--s1);
}

/* ===== FILTERS ===== */
.gal-filters {
  display: flex;
  gap: 0;
  border-bottom: var(--b);
  overflow-x: auto;
  scrollbar-width: none;
}
.gal-filters::-webkit-scrollbar { display: none; }
.filter-btn {
  font-family: var(--ff);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: var(--s3) var(--s4);
  border-right: var(--b);
  color: var(--c-g2);
  background: var(--c-bg);
  white-space: nowrap;
  transition: background var(--tr), color var(--tr);
}
.filter-btn:last-child { border-right: none; }
.filter-btn.active,
.filter-btn:hover { background: var(--c-text); color: var(--c-bg); }

/* ===== GALLERY GRID ===== */
.gal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 260px;
  border-bottom: var(--b);
}
.gal-item {
  position: relative;
  overflow: hidden;
  border-right: var(--b);
  border-bottom: var(--b);
}
.gal-item:nth-child(3n) { border-right: none; }
.gal-item.tall { grid-row: span 2; }
.gal-item.wide { grid-column: span 2; }

.gal-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}
.gal-item:hover img { transform: scale(1.04); }

.gal-caption {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--s3);
  transition: background var(--tr);
}
.gal-item:hover .gal-caption { background: rgba(0,0,0,0.6); }

.gal-title {
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #fff;
  transform: translateY(6px);
  opacity: 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.gal-meta {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transform: translateY(6px);
  opacity: 0;
  transition: transform 0.25s ease 0.04s, opacity 0.25s ease 0.04s;
}
.gal-item:hover .gal-title,
.gal-item:hover .gal-meta {
  transform: translateY(0);
  opacity: 1;
}

/* Hidden items */
.gal-item.hidden { display: none; }

/* Clickable items */
.gal-item { cursor: pointer; }

/* ===== LIGHTBOX ===== */
.lb-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.96);
  z-index: 200;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.lb-overlay.open { display: flex; }

.lb-close {
  position: absolute;
  top: var(--s4);
  right: var(--s4);
  font-size: 1.8rem;
  color: #fff;
  background: none;
  border: none;
  cursor: pointer;
  line-height: 1;
  opacity: 0.6;
  font-family: var(--ff);
  z-index: 10;
  transition: opacity var(--tr);
}
.lb-close:hover { opacity: 1; }

.lb-img-wrap {
  flex: 1;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--s5) clamp(64px, 10vw, 130px);
  min-height: 0;
}

.lb-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
  transition: opacity 0.2s ease;
}
.lb-img.loading { opacity: 0; }

.lb-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: clamp(38px, 4.5vw, 54px);
  height: clamp(38px, 4.5vw, 54px);
  border-radius: 50%;
  border: 0.5px solid rgba(255,255,255,0.35);
  background: transparent;
  color: #fff;
  font-size: clamp(0.9rem, 1.4vw, 1.1rem);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--tr), border-color var(--tr);
  font-family: var(--ff);
}
.lb-arrow:hover { background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.7); }
.lb-prev { left: var(--s4); }
.lb-next { right: var(--s4); }

.lb-caption {
  padding: var(--s2) var(--px) var(--s4);
  text-align: center;
  color: #fff;
  flex-shrink: 0;
}
.lb-title {
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.lb-meta {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.1em;
  margin-top: 4px;
}
.lb-counter {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.3);
  letter-spacing: 0.1em;
  margin-top: 2px;
}

@media (max-width: 540px) {
  .lb-img-wrap { padding: var(--s3) 52px; }
  .lb-prev { left: var(--s2); }
  .lb-next { right: var(--s2); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .gal-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 220px;
  }
  .gal-item:nth-child(3n) { border-right: var(--b); }
  .gal-item:nth-child(2n) { border-right: none; }
  .gal-item.wide { grid-column: span 1; }
}
@media (max-width: 540px) {
  .gal-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 260px;
  }
  .gal-item { border-right: none; }
  .gal-item.tall { grid-row: span 1; }
  .page-hdr { flex-direction: column; align-items: flex-start; }
}