.gallery-card-3d {
  background: #210012;
  border-radius: 1.5em;
  box-shadow: 0 2px 18px #8b000050;
  color: #fff;
  padding: 1.2em 1em;
  min-width: 240px;
  max-width: 320px;
  min-height: 630px;   /* 350% of original 180px */
  max-height: 630px;
  height: 630px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: transform .18s, box-shadow .16s;
  border: 2px solid #8B0000;
  overflow: hidden;
}

.gallery-card-3d:hover {
  transform: scale(1.03) rotateY(7deg);
  box-shadow: 0 6px 32px #e9354336;
  z-index: 2;
}

.gallery-image {
  width: 100%;
  height: 630px;           /* 350% of original 180px */
  object-fit: cover;
  border-radius: 1em;
  background: #fff;
  filter: brightness(.97) contrast(1.06);
  transition: filter .22s;
}

/* Tablet */
@media (max-width: 900px) {
  .gallery-card-3d {
    min-width: 160px;
    max-width: 98vw;
    min-height: 420px;      /* 350% of original 120px */
    max-height: 420px;
    height: 420px;
  }
  .gallery-image {
    height: 420px;          /* 350% of original 120px */
  }
}

/* Mobile */
@media (max-width: 600px) {
  .gallery-card-3d {
    min-width: 120px;
    max-width: 98vw;
    min-height: 273px;      /* 350% of original 78px */
    max-height: 273px;
    height: 273px;
  }
  .gallery-image {
    height: 273px;          /* 350% of original 78px */
  }
}