.container {
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  margin-left: 3vmin;
  margin-right: 3vmin;
  transform: skew(5deg);
  z-index: 1;
}

.container .card {
  flex: 1;
  transition: all 1s ease-in-out;
  height: 35vmin;
  position: relative;
  overflow: hidden; /* evita que sobresalga contenido al hacer hover */
}

.container .card:hover {
  flex-grow: 10;
}

.container .card:hover img {
  filter: grayscale(100%);
}

.container .card:hover .card__head {
  text-align: center;
  color: white;
  top: calc(100% - 2em);
  background: rgba(0, 0, 0, 0.5);
  font-size: 2em;
  transform: rotate(0deg) skew(-5deg);
}

.container .card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all 1s ease-in-out;
  filter: grayscale(0%);
  display: block; /* elimina espacios en imágenes inline */
}

.container .card:not(:last-child) {
  margin-right: 1em; /* más flexible que :nth-child(5) */
}