.event__card {
  display: flex;
  flex-direction: column;
  /* optional: make all cards exactly the same height */
  /* height: 100%; */
}

.case-img {
  width: 100%;
  aspect-ratio: 3 / 4; /* or 16 / 9, whatever ratio you like */
  overflow: hidden;
}

.case-img img {
  width: 100%;
  height: 100%;
  /* object-fit: cover; */
}