.book-page {
  overflow-x: clip;
  background: var(--color-bg-primary);
}

.book-page main {
  background:
    radial-gradient(circle at 52% 13rem, rgba(94, 155, 189, 0.1), transparent 34rem),
    var(--color-bg-primary);
}

.book-hero {
  overflow: hidden;
  min-height: auto;
  padding-block: clamp(4.75rem, 9vw, 7.5rem) clamp(3.25rem, 7vw, 5.75rem);
  background:
    linear-gradient(180deg, rgba(5, 6, 5, 0.02), rgba(5, 6, 5, 0.36) 74%, var(--color-bg-primary)),
    radial-gradient(circle at 77% 35%, rgba(94, 155, 189, 0.2), transparent 30rem),
    radial-gradient(circle at 21% 52%, rgba(94, 155, 189, 0.14), transparent 24rem),
    var(--color-bg-primary);
}

.book-hero__atmosphere {
  background-image:
    linear-gradient(90deg, rgba(5, 6, 5, 0.82), rgba(5, 6, 5, 0.18) 54%, rgba(5, 6, 5, 0.64)),
    url("../../images/hero/hero-atmosphere-draft.webp");
  background-position: 52% 48%;
  background-repeat: no-repeat;
  background-size: cover;
  opacity: 0.46;
}

.book-hero::after {
  content: "";
  position: absolute;
  inset-block: 0;
  inset-inline: 42% 0;
  z-index: 0;
  background:
    radial-gradient(ellipse at 64% 40%, rgba(139, 184, 207, 0.13), transparent 17rem),
    radial-gradient(ellipse at 72% 48%, rgb(var(--rgb-warm-editorial) / 0.08), transparent 21rem),
    repeating-radial-gradient(ellipse at 73% 48%, rgb(var(--rgb-warm-editorial) / 0.15) 0 1px, transparent 1px 3.2rem),
    linear-gradient(108deg, transparent 0 33%, rgb(var(--rgb-warm-editorial) / 0.11) 33% 33.15%, transparent 33.15%),
    linear-gradient(16deg, transparent 0 62%, rgba(139, 184, 207, 0.1) 62% 62.15%, transparent 62.15%);
  opacity: 0.52;
  pointer-events: none;
}

.book-hero__layout {
  position: relative;
  z-index: 1;
  display: grid;
  min-width: 0;
  gap: clamp(var(--space-6), 6vw, var(--space-9));
  align-items: center;
}

.book-hero__content {
  min-width: 0;
  max-width: 37rem;
}

.book-hero__meta {
  display: grid;
  gap: var(--space-2);
  margin-block-end: var(--space-5);
}

.book-hero__meta .eyebrow,
.book-hero__meta .status-label {
  margin-block-end: 0;
}

.book-hero__title {
  max-width: 9ch;
  margin-block-end: var(--space-5);
  font-size: clamp(3.65rem, 11vw, 6.25rem);
}

.book-hero__title span {
  display: block;
}

.book-hero__copy {
  max-width: 34rem;
  color: var(--color-text-secondary);
  font-size: var(--text-md);
}

.book-hero__actions,
.book-preview__actions,
.next-book__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-4);
  margin-block-start: var(--space-6);
}

.book-hero__media {
  position: relative;
  display: grid;
  min-height: clamp(25rem, 70vw, 43rem);
  margin: 0;
  place-items: center;
}

.book-hero__media::before,
.book-hero__media::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(139, 184, 207, 0.26);
  border-radius: 50%;
  pointer-events: none;
}

.book-hero__media::before {
  width: min(96vw, 38rem);
  aspect-ratio: 1;
  background:
    radial-gradient(circle at 55% 48%, rgba(139, 184, 207, 0.08), transparent 11rem),
    repeating-radial-gradient(ellipse at center, transparent 0 2.25rem, rgb(var(--rgb-warm-editorial) / 0.11) 2.25rem 2.32rem);
  transform: rotate(-16deg) scaleX(0.78);
}

.book-hero__media::after {
  width: min(82vw, 30rem);
  aspect-ratio: 1;
  background:
    linear-gradient(90deg, transparent 49.7%, rgb(var(--rgb-warm-editorial) / 0.15) 49.7% 50.3%, transparent 50.3%),
    linear-gradient(0deg, transparent 49.7%, rgba(139, 184, 207, 0.14) 49.7% 50.3%, transparent 50.3%);
  opacity: 0.7;
  transform: rotate(22deg) scaleY(0.58);
}

.book-hero__reader {
  position: relative;
  z-index: 1;
  width: min(74vw, 24rem);
  height: auto;
  filter: drop-shadow(0 1.7rem 2.8rem rgba(0, 0, 0, 0.5));
}

.book-story {
  overflow: hidden;
  padding-block: clamp(3.75rem, 7vw, 5.75rem);
  background:
    linear-gradient(90deg, rgba(5, 6, 5, 0.98), rgba(5, 6, 5, 0.74) 46%, rgba(5, 6, 5, 0.46)),
    radial-gradient(circle at 70% 54%, rgba(94, 155, 189, 0.24), transparent 23rem),
    var(--color-bg-primary);
}

.book-story--about {
  background:
    linear-gradient(90deg, rgba(5, 6, 5, 0.98), rgba(5, 6, 5, 0.82) 46%, rgba(5, 6, 5, 0.58)),
    radial-gradient(circle at 70% 54%, rgba(94, 155, 189, 0.24), transparent 23rem),
    var(--color-bg-primary);
}

.book-story--revolution {
  background:
    linear-gradient(90deg, rgba(5, 6, 5, 0.98) 0%, rgba(5, 6, 5, 0.9) 34%, rgba(5, 6, 5, 0.58) 58%, rgba(5, 6, 5, 0.42) 78%, rgba(5, 6, 5, 0.62) 100%),
    radial-gradient(circle at 72% 52%, rgba(94, 155, 189, 0.16), transparent 30rem),
    url("../../images/home/book-revolution-radar-bg.webp") left center / cover no-repeat,
    var(--color-bg-primary);
}

.book-story--guhavidya {
  background:
    linear-gradient(90deg, rgba(5, 6, 5, 0.98) 0%, rgba(5, 6, 5, 0.9) 38%, rgba(5, 6, 5, 0.56) 64%, rgba(5, 6, 5, 0.72) 100%),
    url("../../images/books/book-guhavidya-aircraft-story-bg.webp") center center / cover no-repeat,
    var(--color-bg-primary);
}

.book-story--as-above-so-below {
  background:
    linear-gradient(90deg, rgba(5, 6, 5, 0.98) 0%, rgba(5, 6, 5, 0.88) 40%, rgba(5, 6, 5, 0.58) 66%, rgba(5, 6, 5, 0.76) 100%),
    radial-gradient(circle at 72% 48%, rgb(var(--rgb-warm-editorial) / 0.12), transparent 27rem),
    url("../../images/home/book-as-above-so-below-fractal-bg.webp") center center / cover no-repeat,
    var(--color-bg-primary);
}

.book-story__layout {
  display: grid;
  min-width: 0;
  gap: clamp(var(--space-6), 7vw, var(--space-10));
  align-items: center;
}

.book-story__content {
  min-width: 0;
  max-width: 31rem;
}

.book-story--about .book-story__content {
  max-width: min(100%, 47rem);
}

.book-story__title,
.book-preview__title,
.next-book__title {
  margin-block-end: var(--space-5);
}

.book-story__art {
  min-height: clamp(17rem, 42vw, 29rem);
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background:
    radial-gradient(circle at 48% 48%, rgba(139, 184, 207, 0.18), transparent 12rem),
    transparent;
  box-shadow: none;
}

.book-story__glyph {
  width: 100%;
  height: 100%;
  min-height: inherit;
  color: rgba(139, 184, 207, 0.72);
}

.book-story__glyph path,
.book-story__glyph circle,
.book-story__glyph line {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.2;
  vector-effect: non-scaling-stroke;
}

.book-story__glyph .gold {
  color: rgb(var(--rgb-warm-editorial) / 0.64);
  stroke: currentColor;
}

.prose strong {
  color: var(--color-text-primary);
  font-weight: 800;
}

.book-statement {
  padding-block: clamp(2.25rem, 4.5vw, 3.4rem);
  background:
    radial-gradient(circle at 50% 50%, rgb(var(--rgb-warm-editorial) / 0.07), transparent 22rem),
    #030403;
  text-align: center;
}

.book-statement__mark {
  display: flex;
  width: min(100%, 8rem);
  margin-inline: auto;
  margin-block-end: var(--space-4);
  gap: var(--space-2);
  align-items: center;
  justify-content: center;
  color: var(--color-warm-editorial);
}

.book-statement__mark::before {
  content: "";
  flex: 1;
  height: 1px;
  background: currentColor;
  opacity: 0.48;
}

.book-statement__mark::after {
  content: "";
  flex: 1;
  height: 1px;
  background: currentColor;
  opacity: 0.22;
}

.book-statement__symbol {
  width: 1px;
  height: 0.5rem;
  background: currentColor;
  opacity: 0.62;
}

.book-statement__text {
  max-width: 78rem;
  margin-inline: auto;
  margin-block-end: 0;
  color: var(--color-text-primary);
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.2vw, 1.9rem);
  line-height: 1.22;
}

.book-preview {
  overflow: hidden;
  padding-block: clamp(3.75rem, 6vw, 5.25rem);
  background:
    linear-gradient(90deg, rgba(5, 6, 5, 0.7), rgba(5, 6, 5, 0.34) 48%, rgba(5, 6, 5, 0.86)),
    radial-gradient(circle at 15% 52%, rgba(139, 184, 207, 0.15), transparent 28rem),
    var(--color-bg-primary);
}

.book-preview::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(108deg, transparent 0 43%, rgb(var(--rgb-warm-editorial) / 0.08) 43% 43.2%, transparent 43.2%),
    repeating-linear-gradient(170deg, transparent 0 2.35rem, rgb(var(--rgb-warm-editorial) / 0.035) 2.35rem 2.42rem);
  opacity: 0.28;
  pointer-events: none;
}

.book-preview__layout,
.next-book__layout {
  display: grid;
  min-width: 0;
  gap: clamp(var(--space-6), 7vw, var(--space-10));
  align-items: center;
}

.book-preview__content,
.next-book__content {
  min-width: 0;
  max-width: 35rem;
}

.book-preview__media {
  position: relative;
  display: grid;
  min-height: clamp(17rem, 58vw, 26rem);
  align-items: end;
  justify-items: start;
  margin: 0;
}

.book-preview__reader {
  width: auto;
  max-width: min(100%, 34rem);
  height: min(58vw, 26rem);
  object-fit: contain;
  filter: drop-shadow(0 1.5rem 2.8rem rgba(0, 0, 0, 0.5));
}

.book-knowledge {
  background:
    linear-gradient(90deg, rgba(5, 6, 5, 0.98) 0%, rgba(5, 6, 5, 0.9) 38%, rgba(5, 6, 5, 0.56) 64%, rgba(5, 6, 5, 0.72) 100%),
    url("../../images/books/book-guhavidya-cave-bg.webp") center center / cover no-repeat,
    var(--color-bg-primary);
}

.next-book {
  overflow: hidden;
  padding-block: clamp(3rem, 5vw, 4rem);
  background:
    linear-gradient(90deg, rgba(5, 6, 5, 0.78), rgba(5, 6, 5, 0.2) 50%, rgba(5, 6, 5, 0.86)),
    linear-gradient(180deg, rgba(5, 6, 5, 0.08), rgba(5, 6, 5, 0.82)),
    radial-gradient(circle at 52% 82%, rgba(139, 184, 207, 0.18), transparent 24rem),
    radial-gradient(circle at 16% 72%, rgba(32, 92, 72, 0.32), transparent 27rem),
    var(--color-bg-secondary);
}

.next-book::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: url("../../images/hero/hero-atmosphere-draft.webp");
  background-position: center bottom;
  background-repeat: no-repeat;
  background-size: cover;
  opacity: 0.42;
  pointer-events: none;
}

.next-book__content {
  border: 1px solid rgba(241, 238, 230, 0.2);
  border-radius: var(--radius-sm);
  background:
    linear-gradient(90deg, rgba(5, 6, 5, 0.82), rgba(5, 6, 5, 0.66)),
    rgba(5, 6, 5, 0.68);
  box-shadow: var(--shadow-soft);
  padding: clamp(var(--space-5), 3.4vw, var(--space-7));
  backdrop-filter: blur(2px);
}

.next-book__title {
  margin-block-end: var(--space-2);
}

.next-book__book-title {
  margin-block-end: var(--space-4);
  color: var(--color-text-primary);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  line-height: 1.1;
}

.next-book__media {
  position: relative;
  display: grid;
  min-height: clamp(18rem, 48vw, 25rem);
  margin: 0;
  place-items: center;
}

.next-book__media::before {
  content: "";
  position: absolute;
  width: min(72vw, 26rem);
  aspect-ratio: 1;
  border: 1px solid rgb(var(--rgb-warm-editorial) / 0.2);
  border-radius: 50%;
  background:
    radial-gradient(circle at 48% 42%, rgb(var(--rgb-warm-editorial) / 0.12), transparent 9rem),
    radial-gradient(circle at 38% 62%, rgba(94, 155, 189, 0.14), transparent 14rem);
  transform: scaleX(0.72) rotate(18deg);
}

.next-book__reader {
  position: relative;
  z-index: 1;
  width: min(58vw, 17rem);
  height: auto;
  filter: drop-shadow(0 1.6rem 2.7rem rgba(0, 0, 0, 0.48));
}

@media (max-width: 47.99rem) {
  .book-hero__actions .button,
  .book-preview__actions .button,
  .next-book__actions .button {
    width: 100%;
  }
}

@media (min-width: 48rem) {
  .book-hero__reader {
    width: min(43vw, 23rem);
  }

  .next-book__reader {
    width: min(32vw, 18rem);
  }
}

@media (min-width: 64rem) {
  .book-hero {
    min-height: min(48rem, calc(100svh - var(--header-height)));
    display: grid;
    align-items: center;
  }

  .book-hero__layout {
    grid-template-columns: minmax(0, 0.9fr) minmax(26rem, 1.1fr);
  }

  .book-story__layout {
    grid-template-columns: minmax(0, 0.68fr) minmax(28rem, 1.32fr);
  }

  .book-story--about .book-story__layout {
    grid-template-columns: minmax(0, 0.52fr) minmax(0, 0.48fr);
  }

  .book-preview--revolution .book-preview__layout {
    grid-template-columns: minmax(30rem, 1.12fr) minmax(0, 0.88fr);
    align-items: stretch;
  }

  .book-preview--revolution {
    padding-block-start: clamp(2.75rem, 4.5vw, 4rem);
    padding-block-end: 0;
  }

  .book-preview--revolution .book-preview__content {
    grid-column: 2;
    align-self: center;
    padding-block: clamp(2.75rem, 4.5vw, 4rem) clamp(3.75rem, 6vw, 5.25rem);
  }

  .book-preview--revolution .book-preview__media {
    grid-column: 1;
    grid-row: 1;
    display: flex;
    min-height: clamp(22rem, 37vw, 31rem);
    align-self: stretch;
    align-items: flex-end;
    justify-content: flex-start;
  }

  .book-preview--revolution .book-preview__reader {
    width: auto;
    height: min(39vw, 32rem);
    max-width: none;
  }

  .next-book__layout {
    grid-template-columns: minmax(28rem, 1.12fr) minmax(18rem, 0.88fr);
    gap: clamp(var(--space-5), 4vw, var(--space-7));
  }

  .next-book__content {
    grid-column: 1;
    justify-self: start;
    width: min(100%, 42rem);
  }

  .next-book__media {
    grid-column: 2;
    grid-row: 1;
  }
}

@media (min-width: 80rem) {
  .book-hero__reader {
    width: min(35vw, 30rem);
    transform: translateX(-0.5rem);
  }

  .next-book__reader {
    width: min(22vw, 19.5rem);
  }

  .next-book__layout {
    width: min(100% - (var(--container-gutter) * 2), 76rem);
  }
}