/* ============================================================
   GALLERY — responsive photo grid + lightbox overlay
   ============================================================ */

/* ---- Grid ---- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.75rem;
  max-width: 1400px;
  margin: 0 auto;
}

.gallery-grid img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius);
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s;
}

.gallery-grid img:hover {
  opacity: 0.85;
  transform: scale(1.01);
}

/* ---- Lightbox overlay ---- */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.lightbox.open {
  display: flex;
}

.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius);
  user-select: none;
}

/* Close button (top-right) */
.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  font-size: 2rem;
  line-height: 1;
  color: #fff;
  background: none;
  border: none;
  cursor: pointer;
}

/* Prev / Next arrows */
.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2.5rem;
  color: #fff;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0 1rem;
  user-select: none;
}

.lightbox-prev { left: 0; }
.lightbox-next { right: 0; }