* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  text-decoration: none;
  background-color: #141414;
}

:root {
  --index: calc(1vw + 1vh);
  --transition: cubic-bezier(0.1, 0.7, 0, 1);
}

.wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

.items {
  display: flex;
  gap: 0.4rem;
  perspective: calc(var(--index) * 35);
}

.item {
  width: calc(var(--index) * 3);
  height: calc(var(--index) * 12);
  background-color: #222;
  background-size: cover;
  background-position: center;
  cursor: pointer;
  filter: grayscale(1) brightness(0.5);
  transition: transform 1.25s var(--transition),
    filter 3s var(--transition),
    width 1.25s var(--transition);
  will-change: transform, filter, rotateY, width;
}

.item::before,
.item::after {
  content: "";
  position: absolute;
  height: 100%;
  width: 20px;
  right: calc(var(--index) * -1);
}

.item::after {
  left: calc(var(--index) * -1);
}

.items .item:hover {
  filter: inherit;
  transform: translateZ(calc(var(--index) * 10));
}

.items .item:hover + * {
  filter: inherit;
  transform: translateZ(calc(var(--index) * 8.5))
    rotateY(35deg);
  z-index: -1;
}

.items .item:hover + * + * {
  filter: inherit;
  transform: translateZ(calc(var(--index) * 5.6))
    rotateY(40deg);
  z-index: -2;
}

.items .item:hover + * + * + * {
  filter: inherit;
  transform: translateZ(calc(var(--index) * 2.5))
    rotateY(30deg);
  z-index: -3;
}

.items .item:hover + * + * + * + * {
  filter: inherit;
  transform: translateZ(calc(var(--index) * 0.6))
    rotateY(15deg);
  z-index: -4;
}

.items .item:has(+ :hover) {
  filter: inherit;
  transform: translateZ(calc(var(--index) * 8.5))
    rotateY(-35deg);
}

.items .item:has(+ * + :hover) {
  filter: inherit;
  transform: translateZ(calc(var(--index) * 5.6))
    rotateY(-40deg);
}

.items .item:has(+ * + * + :hover) {
  filter: inherit;
  transform: translateZ(calc(var(--index) * 2.5))
    rotateY(-30deg);
}

.items .item:has(+ * + * + * + :hover) {
  filter: inherit;
  transform: translateZ(calc(var(--index) * 0.6))
    rotateY(-15deg);
}

.items .item:active,
.items .item:focus {
  width: 28vw;
  filter: inherit;
  z-index: 100;
  transform: translateZ(calc(var(--index) * 10));
  margin: 0 0.45vw;
}