.spg-wrap{
  background: var(--spg-bg, #eaf3f7);
  padding: clamp(18px, 3vw, 40px);
  border-radius: 16px;
}

.spg-grid{
  display: grid;
  gap: var(--spg-gap, 28px);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 980px){
  .spg-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px){
  .spg-grid{ grid-template-columns: 1fr; }
}

.spg-item{
  padding: 0;
  border: 0;
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  cursor: zoom-in;
  box-shadow: 0 10px 22px rgba(0,0,0,.10);
  display: block;
  width: 100%;
}

.spg-item img{
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* Lightbox */
.spg-lightbox{
  position: fixed;
  inset: 0;
  display: none;
  z-index: 999999;
}

.spg-lightbox.is-open{ display: block; }

.spg-lightbox__backdrop{
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.75);
}

.spg-lightbox__dialog{
  position: relative;
  max-width: min(1100px, 92vw);
  max-height: 88vh;
  margin: 6vh auto 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
}

.spg-lightbox__figure{
  margin: 0;
  background: #111;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 18px 36px rgba(0,0,0,.35);
}

.spg-lightbox__img{
  display: block;
  width: 100%;
  height: auto;
  max-height: 78vh;
  object-fit: contain;
  background: #111;
}

.spg-lightbox__cap{
  color: rgba(255,255,255,.85);
  padding: 10px 14px 14px;
  font-size: 14px;
  line-height: 1.35;
}

.spg-lightbox__close{
  position: absolute;
  top: -46px;
  right: 0;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 0;
  background: rgba(255,255,255,.12);
  color: #fff;
  font-size: 30px;
  cursor: pointer;
}

.spg-lightbox__nav{
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 0;
  background: rgba(255,255,255,.12);
  color: #fff;
  font-size: 22px;
  cursor: pointer;
}

@media (max-width: 640px){
  .spg-lightbox__dialog{
    grid-template-columns: 1fr;
    margin-top: 8vh;
  }
  .spg-lightbox__nav{ display:none; }
  .spg-lightbox__close{ top: -52px; }
}