*,
*::after,
*::before {
  box-sizing: border-box;
}

body,
html {
  height: 100%;
  padding: 0;
  margin: 0;
}

.container {
  background: #111;
  background-image: linear-gradient(45deg, #1b2838, #111);
  align-items: start;
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  min-height: 100vh;
  width: 100%;
  gap: 2rem;
  padding: 2rem;
  align-content: center;
}

.box {
  --in-out-duration: 0.5s;

  color: white;
  text-decoration: none;
  border-radius: 0.5rem;
  display: flex;
  flex-direction: column;
  outline: none;
  gap: 1rem;

  &:is(:focus) {
    & .box_image {
      scale: 1.05;
      &::before {
        opacity: 1;
      }
    }
    & .box_title {
      opacity: 1;
    }
  }
}

.box_title {
  opacity: 0;
  transition: opacity var(--in-out-duration);
  font-weight: bold;
  font-family: system-ui;
}

.box_image {
  aspect-ratio: 264 / 352;
  display: flex;
  position: relative;
  transition: scale var(--in-out-duration);
  /* smooths out transition */
  scale: 1.01;
  width: 100%;

  &::before {
    content: "";
    display: block;
    inset: 0;
    background-image: var(--bg-image);
    position: absolute;
    filter: blur(1rem);
    opacity: 0;
    transition: opacity var(--in-out-duration);
    scale: 1.05;
  }

  &::after {
    content: "";
    display: block;
    inset: -0.5rem;
    border: 3px solid transparent;
    border-radius: 1rem;
    opacity: 0;
    position: absolute;

    animation-name: scale-out;
    animation-duration: var(--in-out-duration);
    animation-iteration-count: 1;
    animation-fill-mode: forwards;

    transition-property: border-color;
    transition-duration: var(--in-out-duration);
  }

  & img {
    box-shadow: 0 0 0.25rem rgba(0 0 0 / 25%);
    border-radius: 0.5rem;
    object-fit: cover;
    object-position: center;
    position: absolute;
    width: 100%;
    height: 100%;
    backdrop-filter: blur(15px) saturate(3);
  }
}

@keyframes scale-in {
  from {
    scale: 1.1;
    opacity: 0;
  }
  to {
    scale: 1;
    opacity: 1;
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

@keyframes scale-out {
  from {
    scale: 1;
    opacity: 1;
  }
  to {
    scale: 1.1;
    opacity: 0;
  }
}