@use "../citrine/abstracts/functions" as *;

body.has-banner {
  background-image: var(--bg-overlay), var(--blurnail);
  background-position: center;
  background-size: cover;
  background-attachment: fixed;
}

#banner {
  --mask: linear-gradient(black calc(100% - 2rem), transparent);
  -webkit-mask-image: var(--mask);
  display: flex;
  grid-area: banner;
  justify-content: center;
  mask-image: var(--mask);
  margin-block-end: -2.5rem;
  padding-block: 3.25rem 2.5rem;
  width: 100%;

  div {
    position: relative;
    margin-inline: 1rem;
    aspect-ratio: 2 / 1;
    width: 100%;
    max-width: var(--content-width);
  }

  img {
    position: absolute;
    margin: 0;
    inset: 0;
    border-radius: var(--rounded-corner) var(--rounded-corner) 0 0 !important;
    aspect-ratio: 2 / 1;
    width: 100%;
    object-fit: cover;
  }

  img:nth-of-type(1) {
    opacity: var(--dim-opacity);
    z-index: -1;
    filter: blur(1.5rem);
    animation: banner-glow-load calc(0.525s + var(--transition-long));
    inset-block-start: 1rem;

    @keyframes banner-glow-load {
      from,
      52.5% {
        opacity: 0;
      }
    }
  }

  img:nth-of-type(2) {
    transform-origin: bottom;
    animation: banner-load calc(0.525s + var(--transition-longer));

    @keyframes banner-load {
      from,
      52.5% {
        transform: translateY(2rem) scale(0.95);
        opacity: 0;
      }
    }
  }

  & + #main-content {
    margin-block-start: 0;

    article > h1:first-of-type,
    h1:first-of-type {
      margin-inline: -1rem;
      margin-block: 0;
      border-radius: var(--rounded-corner) var(--rounded-corner) 0 0;
      padding: 1rem;
      width: unset;
      -webkit-backdrop-filter: blur(1rem);
      backdrop-filter: blur(1rem);
      animation: banner-heading calc(0.525s + var(--transition-longer));
      box-shadow: inset 0 rpx(1) 0 var(--accent-highlight);
      background-image: linear-gradient(
        to bottom,
        var(--bg-muted-1),
        transparent 50%
      );
      background-size: auto 200%;
      text-decoration: none;

      @keyframes banner-heading {
        from,
        52.5% {
          box-shadow: none;
          background-position-y: 100%;
        }
      }
    }
  }
}