book-styles

.book-perspective {
  --book-default-width: 196;
  --book-depth: 29cqw;
  --book-border-radius: 6px 4px 4px 6px;
  --hover-rotate: -20deg;
  --hover-scale: 1.066;
  --hover-translate-x: -8px;
  --aspect-ratio: 49 / 60;
  --bg-shadow: linear-gradient(
      90deg,
      hsla(0, 0%, 100%, 0),
      hsla(0, 0%, 100%, 0) 12%,
      hsla(0, 0%, 100%, 0.25) 29.25%,
      hsla(0, 0%, 100%, 0) 50.5%,
      hsla(0, 0%, 100%, 0) 75.25%,
      hsla(0, 0%, 100%, 0.25) 91%,
      hsla(0, 0%, 100%, 0)
    ),
    linear-gradient(
      90deg,
      rgba(0, 0, 0, 0.03),
      rgba(0, 0, 0, 0.1) 12%,
      transparent 30%,
      rgba(0, 0, 0, 0.02) 50%,
      rgba(0, 0, 0, 0.2) 73.5%,
      rgba(0, 0, 0, 0.5) 75.25%,
      rgba(0, 0, 0, 0.15) 85.25%,
      transparent
    );
  perspective: 900px;
  display: inline-block;
  width: -moz-fit-content;
  width: fit-content;
}

@media (hover: hover) {
  .book-perspective:hover .book-rotate-wrapper {
    transform: rotateY(var(--hover-rotate)) scale(var(--hover-scale))
      translateX(var(--hover-translate-x));
  }
}

.book-rotate-wrapper {
  aspect-ratio: var(--aspect-ratio);
  width: -moz-fit-content;
  width: fit-content;
  transform: rotate(0deg);
  position: relative;
  transform-style: preserve-3d;
  min-width: calc(var(--book-width) * 1px);
  transition: transform .25s ease-out;
  container-type: inline-size;
}

.book-rotate-wrapper > :first-child {
  position: absolute;
  min-width: calc(var(--book-width) * 1px);
}

.book-rotate-wrapper .book-pages {
  background: linear-gradient(90deg, #eaeaea, transparent 70%),
    linear-gradient(#fff, #fafafa);
}

.book-rotate-wrapper .book-pages.book-textured {
  background: repeating-linear-gradient(
    90deg,
    #fff,
    #efefef 1px,
    #fff 3px,
    #9a9a9a 0
  );
}

.book-rotate-wrapper .book-pages {
  height: calc(100% - 2 * 3px);
  width: calc(var(--book-depth) - 2px);
  top: 3px;
  position: absolute;
  transform: translateX(
      calc(var(--book-width) * 1px - var(--book-depth) / 2 - 3px)
    )
    rotateY(90deg) translateX(calc(var(--book-depth) / 2));
}

.book-rotate-wrapper .book-back {
  position: absolute;
  left: 0;
  width: calc(var(--book-width) * 1px);
  height: 100%;
  border-radius: var(--book-border-radius);
  transform: translateZ(calc(-1 * var(--book-depth)));
}

.book-rotate-wrapper.book-stripe .book-content {
  gap: calc((24px / var(--book-default-width)) * var(--book-width));
}

.book-rotate-wrapper.book-stripe .book-content .book-title {
  line-height: 1.25em;
  font-size: 10.5cqw;
  letter-spacing: -.02em;
}

.book-rotate-wrapper.book-stripe .book-back {
  background-color: var(--book-color);
}

.book-rotate-wrapper.book-stripe .book-stripe {
  background: var(--book-color);
  width: 100%;
  position: relative;
  flex: 1 1;
  overflow: hidden;
}

.book-rotate-wrapper.book-stripe .book-stripe .book-illustration {
  -o-object-fit: cover;
  object-fit: cover;
}

.book-rotate-wrapper.book-stripe .book-stripe .book-bind {
  position: absolute;
  background: var(--bg-shadow);
  mix-blend-mode: overlay;
}

.book-rotate-wrapper.book-simple.book-color .book-book {
  background: var(--book-color);
}

.book-rotate-wrapper.book-simple.book-color .book-bind {
  mix-blend-mode: overlay;
  opacity: 1;
}

.book-rotate-wrapper.book-simple:not(.book-color) .book-book:after {
  box-shadow: inset 0 1px 2px 0 hsla(0, 0%, 100%, 0.1);
}

.book-rotate-wrapper.book-simple .book-back {
  background: var(--book-color);
}

.book-rotate-wrapper.book-simple .book-body {
  width: 100%;
  height: 100%;
}

.book-rotate-wrapper.book-simple .book-content {
  gap: calc((16px / var(--book-default-width)) * var(--book-width));
}

.book-rotate-wrapper.book-simple .book-content .book-title {
  line-height: 1.25em;
  font-size: 12cqw;
  letter-spacing: -.02em;
  text-shadow: 0 .025em .5px hsla(0, 0%, 100%, 0.5), -.02em -.02em .5px
    rgba(0, 0, 0, 0.5);
  text-shadow: 0 .025em .5px color-mix(in srgb, var(--book-color) 80%, #fff 20%),
    -.02em -.02em .5px color-mix(in srgb, var(--book-color) 80%, #000 20%);
}

.book-book {
  width: calc(var(--book-width) * 1px);
  height: 100%;
  border-radius: var(--book-border-radius);
  overflow: hidden;
  /* background: var(--ds-background-200); */
  position: relative;
  /* box-shadow: 0 1px 1px 0 rgba(0,0,0,.02),0 4px 8px -4px rgba(0,0,0,.1),0 16px 24px -8px rgba(0,0,0,.03); */
  background: linear-gradient(
      180deg,
      hsla(0, 0%, 100%, 0.1),
      hsla(0, 0%, 100%, 0) 50%,
      hsla(0, 0%, 100%, 0)
    ), #1f1f1f;
  box-shadow:
    0 1.8px 3.6px rgba(0, 0, 0, 0.05), 0 10.8px 21.6px rgba(0, 0, 0, 0.08), inset 0 -.9px 0 rgba(
      0,
      0,
      0,
      0.1
    ), inset 0 1.8px 1.8px hsla(0, 0%, 100%, 0.1), inset 3.6px 0 3.6px rgba(
      0,
      0,
      0,
      0.1
    );
}

.book-book .book-texture {
  background-image: url(https://assets.vercel.com/image/upload/v1720554484/front/design/book-texture.avif);
  background-size: cover;
  position: absolute;
  inset: 0;
  border-radius: var(--book-border-radius);
  mix-blend-mode: hard-light;
  background-repeat: no-repeat;
  opacity: 0.5;
  pointer-events: none;
  filter: brightness(1.1);
}

.book-book .book-texture {
  opacity: 1;
  filter: brightness(1);
}

.book-book:after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid var(--ds-gray-alpha-400);
  width: 100%;
  height: 100%;
  border-radius: inherit;
  box-shadow: inset 0 1px 2px 0 hsla(0, 0%, 100%, 0.3);
  pointer-events: none;
}

.book-book:after {
  border: none;
}

.book-book .book-bind {
  height: 100%;
  width: 8.2%;
}

.book-book .book-content {
  padding: 6.1%;
  container-type: inline-size;
  width: 100%;
}

.book-book .book-content .book-title {
  text-wrap: balance;
  color: var(--book-text-color);
}

.book-body .book-bind {
  min-width: 8.2%;
  background: var(--bg-shadow);
  opacity: 0.2;
}

@media screen and (max-width: 400px) {
  .book-perspective {
    --book-width: var(--xs-book-width, var(--sm-book-width));
  }
}

@media screen and (min-width: 401px) and (max-width: 600px) {
  .book-perspective {
    --book-width: var(--sm-book-width);
  }
}

@media screen and (min-width: 601px) and (max-width: 768px) {
  .book-perspective {
    --book-width: var(
      --smd-book-width,
      var(--md-book-width, var(--sm-book-width))
    );
  }
}

@media screen and (min-width: 769px) and (max-width: 960px) {
  .book-perspective {
    --book-width: var(
      --md-book-width,
      var(--smd-book-width, var(--sm-book-width))
    );
  }
}

@media screen and (min-width: 961px) {
  .book-perspective {
    --book-width: var(
      --lg-book-width,
      var(--md-book-width, var(--smd-book-width, var(--sm-book-width)))
    );
  }
}

@layer geist {
  .stack-stack {
    display: flex;
    flex-direction: var(--stack-direction, column);
    align-items: var(--stack-align, stretch);
    justify-content: var(--stack-justify, flex-start);
    flex: var(--stack-flex, initial);
    gap: var(--stack-gap, 0);
  }

  /* .stack_padding__ox8JS {
        padding: var(--stack-padding,0)
    } */

  @media screen and (max-width: 600px) {
    .stack-stack {
      --stack-direction: var(--sm-stack-direction);
      --stack-align: var(--sm-stack-align);
      --stack-justify: var(--sm-stack-justify);
      --stack-padding: var(--sm-stack-padding);
      --stack-gap: var(--sm-stack-gap);
    }
  }

  @media screen and (min-width: 601px) and (max-width: 960px) {
    .stack-stack {
      --stack-direction: var(--md-stack-direction, var(--sm-stack-direction));
      --stack-align: var(--md-stack-align, var(--sm-stack-align));
      --stack-justify: var(--md-stack-justify, var(--sm-stack-justify));
      --stack-padding: var(--md-stack-padding, var(--sm-stack-padding));
      --stack-gap: var(--md-stack-gap, var(--sm-stack-gap));
    }
  }

  @media screen and (min-width: 961px) and (max-width: 1200px) {
    .stack-stack {
      --stack-direction: var(
        --lg-stack-direction,
        var(--md-stack-direction, var(--sm-stack-direction))
      );
      --stack-align: var(
        --lg-stack-align,
        var(--md-stack-align, var(--sm-stack-align))
      );
      --stack-justify: var(
        --lg-stack-justify,
        var(--md-stack-justify, var(--sm-stack-justify))
      );
      --stack-padding: var(
        --lg-stack-padding,
        var(--md-stack-padding, var(--sm-stack-padding))
      );
      --stack-gap: var(--lg-stack-gap, var(--md-stack-gap, var(--sm-stack-gap)));
    }
  }

  @media screen and (min-width: 1201px) {
    .stack-stack {
      --stack-direction: var(
        --xl-stack-direction,
        var(
          --lg-stack-direction,
          var(--md-stack-direction, var(--sm-stack-direction))
        )
      );
      --stack-align: var(
        --xl-stack-align,
        var(--lg-stack-align, var(--md-stack-align, var(--sm-stack-align)))
      );
      --stack-justify: var(
        --xl-stack-justify,
        var(
          --lg-stack-justify,
          var(--md-stack-justify, var(--sm-stack-justify))
        )
      );
      --stack-padding: var(
        --xl-stack-padding,
        var(
          --lg-stack-padding,
          var(--md-stack-padding, var(--sm-stack-padding))
        )
      );
      --stack-gap: var(
        --xl-stack-gap,
        var(--lg-stack-gap, var(--md-stack-gap, var(--sm-stack-gap)))
      );
    }
  }
}