h1 {
  margin: 2em;
}

.pswp__caption__center {
  text-align: center;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  padding: 1rem 0 2rem;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 14px;
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.24);
  background: linear-gradient(160deg, rgba(20, 35, 59, 0.8), rgba(13, 23, 39, 0.6));
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.gallery-item:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.32);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(1.08);
  transition: transform 260ms ease, filter 200ms ease, opacity 200ms ease;
}

.gallery-item:hover img {
  transform: scale(1.05);
  filter: saturate(1.18);
}

.gallery-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(110, 231, 183, 0.08), transparent 35%),
  radial-gradient(circle at 80% 0%, rgba(59, 130, 246, 0.05), transparent 30%);
  pointer-events: none;
  transition: opacity 200ms ease;
}

.gallery-item:hover::after {
  opacity: 0.85;
}

.spacer {
  height: 5em;
}

/* Make PhotoSwipe arrows visible on touch (mobile) */
.pswp--touch .pswp__button--arrow--left,
.pswp--touch .pswp__button--arrow--right {
  visibility: visible;
  opacity: 0.9;
}

.pswp--touch .pswp__button--arrow--left:before,
.pswp--touch .pswp__button--arrow--right:before {
  background-color: rgba(0, 0, 0, 0.55);
}