.page-book-details {
  --max: 1180px;
  background: var(--as-red-page-frame-background);
}

.page-book-details .book-details-main {
  width: min(var(--max), calc(100% - 0.75rem));
  padding: clamp(1.5rem, 3vw, 2.2rem) clamp(0.6rem, 1.15vw, 0.75rem) 3.6rem;
  border: 0;
  background: none;
  box-shadow: none;
}

.page-book-details .as-section {
  margin-top: clamp(1.5rem, 3vw, 2.75rem);
}

.page-book-details .book-details-intro {
  max-width: 52rem;
  margin-top: clamp(3.3rem, 6.4vw, 5.1rem);
  padding-inline: 0;
}

.page-book-details .book-details-intro h1 {
  max-width: 16ch;
  margin-bottom: 0.9rem;
  color: var(--ink);
  font-size: clamp(2.55rem, 5vw, 4.1rem);
  line-height: 0.98;
}

.page-book-details .book-details-intro .section-lede {
  max-width: 48rem;
}

.page-book-details .book-details-intro .button-row {
  margin-top: 1.1rem;
}

.page-book-details .book-details-main > .as-section:not(.book-details-intro) {
  width: 100%;
  max-width: none;
  padding-inline: 0;
}

.book-detail-stack {
  display: grid;
  gap: clamp(1rem, 2vw, 1.5rem);
}

.book-detail-card {
  position: relative;
  display: flex;
  align-items: flex-end;
  width: 100%;
  min-height: clamp(18rem, 42vw, 34rem);
  aspect-ratio: 21 / 9;
  overflow: hidden;
  border: 1px solid rgba(118, 82, 30, 0.72);
  border-radius: 7px;
  background:
    linear-gradient(135deg, rgba(78, 50, 16, 0.14), rgba(255, 248, 215, 0.36)),
    var(--panel-parchment, #ead9a8);
  box-shadow:
    inset 0 0 0 1px rgba(255, 229, 141, 0.56),
    0 0.85rem 1.65rem rgba(39, 19, 5, 0.2);
  scroll-margin-top: 60px;
}

.book-detail-card--art {
  color: #fff5cb;
  background-image:
    linear-gradient(90deg, rgba(5, 9, 16, 0.3) 0%, rgba(5, 9, 16, 0.14) 28%, rgba(5, 9, 16, 0.03) 62%, rgba(5, 9, 16, 0.08) 100%),
    var(--book-detail-bg);
  background-position: center center, var(--book-detail-position, center center);
  background-size: cover, cover;
  background-repeat: no-repeat;
}

.book-detail-card--feature {
  --book-detail-panel-aspect: 1916 / 821;
  --book-detail-copy-inset: clamp(1.25rem, 3.15vw, 40px);
  --book-detail-copy-left: var(--book-detail-copy-inset);
  --book-detail-copy-top: var(--book-detail-copy-inset);
  --book-detail-text-frame-width: calc(100% - (var(--book-detail-copy-inset) * 2));
  --book-detail-copy-width: min(68cqw, 50rem);
  --book-detail-copy-max-height: calc(100% - var(--book-detail-copy-top) - var(--book-detail-copy-inset));
  --book-detail-book-title-size: clamp(2rem, 6.9cqw, 80px);
  --book-detail-book-title-line: 0.88;
  --book-detail-title-gap: clamp(16px, 2.25cqw, 20px);
  --book-detail-title-size: clamp(1.46rem, 3.05cqw, 2.72rem);
  --book-detail-copy-size: clamp(0.8rem, 1.2cqw, 1.02rem);
  --book-detail-copy-line: 1.14;
  align-items: stretch;
  height: auto;
  max-height: 500px;
  min-height: 0;
  aspect-ratio: var(--book-detail-panel-aspect);
  container-type: inline-size;
  background-image:
    radial-gradient(ellipse at 22% 27%, rgba(3, 7, 12, 0.46) 0%, rgba(3, 7, 12, 0.28) 30%, rgba(3, 7, 12, 0.08) 54%, transparent 78%),
    linear-gradient(90deg, rgba(5, 9, 16, 0.22) 0%, rgba(5, 9, 16, 0.08) 42%, rgba(5, 9, 16, 0.02) 66%, rgba(5, 9, 16, 0.06) 100%),
    var(--book-detail-bg);
  background-size: cover, cover, cover;
}

.book-detail-card--dense {
  --book-detail-copy-width: min(74cqw, 52rem);
  --book-detail-title-size: clamp(1.3rem, 2.55cqw, 2.28rem);
  --book-detail-copy-size: clamp(0.68rem, 1.08cqw, 0.9rem);
  --book-detail-copy-line: 1.1;
}

.book-detail-card--regional {
  --book-detail-text-frame-width: calc(100% - (var(--book-detail-copy-inset) * 2));
  --book-detail-copy-width: min(74cqw, 52rem);
  --book-detail-title-size: clamp(1.18rem, 2.26cqw, 2.08rem);
  --book-detail-copy-size: clamp(0.64rem, 0.98cqw, 0.8rem);
  --book-detail-copy-line: 1.08;
}

.book-detail-card--regional .book-detail-card__points {
  gap: clamp(0.12rem, 0.26cqw, 0.3rem);
  margin-top: clamp(0.22rem, 0.54cqw, 0.52rem);
}

.book-detail-card::before {
  content: "";
  position: absolute;
  inset: 0.45rem;
  border: 1px solid rgba(246, 199, 92, 0.5);
  box-shadow:
    inset 0 0 0 1px rgba(55, 25, 8, 0.48),
    inset 0 0 1.6rem rgba(0, 0, 0, 0.34);
  pointer-events: none;
}

.book-detail-card__copy {
  position: relative;
  z-index: 1;
  width: min(100%, 42rem);
  margin: clamp(1rem, 3vw, 2rem);
  padding: clamp(0.8rem, 1.8vw, 1.25rem) clamp(0.95rem, 2vw, 1.5rem);
  border: 1px solid rgba(225, 169, 74, 0.52);
  background: rgba(10, 18, 23, 0.72);
  box-shadow: 0 0.65rem 1.3rem rgba(0, 0, 0, 0.28);
}

.book-detail-card__text-frame {
  position: absolute;
  left: var(--book-detail-copy-left);
  top: var(--book-detail-copy-top);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--book-detail-title-gap);
  width: var(--book-detail-text-frame-width);
  height: var(--book-detail-copy-max-height);
  max-height: var(--book-detail-copy-max-height);
  min-height: 0;
}

.book-detail-card__copy--anchored {
  position: absolute;
  left: var(--book-detail-copy-left);
  top: var(--book-detail-copy-top);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  width: var(--book-detail-copy-width);
  max-height: var(--book-detail-copy-max-height);
  max-width: none;
  margin: 0;
  padding: clamp(0.46rem, 1.05cqw, 0.78rem);
  overflow: hidden;
  transform: none;
  border-color: rgba(255, 220, 126, 0.42);
  background: linear-gradient(135deg, rgba(12, 17, 24, 0.5), rgba(5, 9, 14, 0.44));
  box-shadow:
    inset 0 0 0 1px rgba(255, 236, 170, 0.12),
    0 0.55rem 1.15rem rgba(0, 0, 0, 0.26);
}

.book-detail-card__text-frame .book-detail-card__copy--anchored {
  position: relative;
  left: auto;
  top: auto;
  width: var(--book-detail-copy-width);
  max-height: 100%;
  min-height: 0;
  flex: 1 1 auto;
}

.book-detail-card--placeholder .book-detail-card__copy {
  background: rgba(255, 245, 210, 0.78);
}

.book-detail-card h4 {
  margin: 0;
  color: #ffe184;
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 3.5vw, 3.25rem);
  line-height: 0.95;
  text-shadow: 0 2px 0 #351507, 0 0 0.9rem rgba(0, 0, 0, 0.5);
}

.book-detail-card__book-title {
  margin: 0;
  max-width: 100%;
  color: #ffe184;
  font-family: var(--font-display);
  font-size: var(--book-detail-book-title-size);
  line-height: var(--book-detail-book-title-line);
  text-shadow:
    0 2px 0 #2e1005,
    0 0 0.95rem rgba(0, 0, 0, 0.72),
    0 0 0.2rem rgba(255, 239, 165, 0.42);
}

.book-detail-card--feature .book-detail-card__copy h4 {
  font-size: var(--book-detail-title-size);
}

.book-detail-card__release {
  margin: 0 0 clamp(0.18rem, 0.5cqw, 0.42rem);
  color: #ffe184;
  font-family: var(--font-display);
  font-size: clamp(0.82rem, 1.2cqw, 1rem);
  font-weight: 700;
  line-height: 1;
  text-shadow: 0 1px 0 #2e1005, 0 0 0.55rem rgba(0, 0, 0, 0.58);
}

.book-detail-card__panel-actions {
  position: absolute;
  bottom: var(--book-detail-copy-inset, clamp(1rem, 3vw, 2rem));
  right: var(--book-detail-copy-inset, clamp(1rem, 3vw, 2rem));
  z-index: 2;
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: flex-end;
  gap: 0.55rem;
  max-width: calc(100% - (var(--book-detail-copy-inset, clamp(1rem, 3vw, 2rem)) * 2));
}

.book-detail-card--placeholder h4 {
  color: #6f1f16;
  text-shadow: 0 1px 0 rgba(255, 246, 203, 0.9);
}

.book-detail-card p {
  max-width: 34rem;
  margin: 0.55rem 0 0;
  color: #fff8d8;
  font-size: clamp(1rem, 1.25vw, 1.16rem);
  line-height: 1.35;
}

.book-detail-card--feature p {
  max-width: none;
  margin-top: 0.42rem;
  font-size: var(--book-detail-copy-size);
  line-height: var(--book-detail-copy-line);
}

.book-detail-card__lede {
  color: #fff3c5;
  font-weight: 700;
}

.book-detail-card__points {
  display: grid;
  gap: clamp(0.16rem, 0.35cqw, 0.4rem);
  margin-top: clamp(0.28rem, 0.85cqw, 0.72rem);
}

.book-detail-card__points p {
  margin: 0;
}

.book-detail-card__points strong {
  color: #ffe184;
  font-family: var(--font-display);
  font-size: 1.08em;
  text-shadow: 0 1px 0 rgba(38, 10, 2, 0.88);
}

.book-detail-card--placeholder p {
  color: #322314;
}

@media (max-width: 720px) {
  .book-detail-card {
    min-height: 19rem;
    aspect-ratio: auto;
    border-radius: 5px;
  }

  .book-detail-card--feature {
    --book-detail-copy-inset: clamp(1rem, 5vw, 1.55rem);
    --book-detail-copy-left: var(--book-detail-copy-inset);
    --book-detail-copy-top: var(--book-detail-copy-inset);
    --book-detail-text-frame-width: calc(100% - (var(--book-detail-copy-inset) * 2));
    --book-detail-copy-width: 90%;
    --book-detail-action-clearance: 5.3rem;
    --book-detail-copy-max-height: calc(100% - var(--book-detail-copy-top) - var(--book-detail-copy-inset) - var(--book-detail-action-clearance));
    --book-detail-book-title-size: clamp(1.65rem, 8.4cqw, 2.45rem);
    --book-detail-book-title-line: 0.86;
    --book-detail-title-gap: clamp(0.55rem, 3vw, 0.85rem);
    --book-detail-title-size: clamp(1.06rem, 6.3cqw, 1.7rem);
    --book-detail-copy-size: clamp(0.58rem, 2.75cqw, 0.78rem);
    --book-detail-copy-line: 1.08;
    height: clamp(448px, 128vw, 500px);
    min-height: 0;
  }

  .book-detail-card--dense {
    --book-detail-title-size: clamp(1.04rem, 5.75cqw, 1.55rem);
    --book-detail-copy-size: clamp(0.54rem, 2.5cqw, 0.68rem);
    --book-detail-copy-line: 1.05;
  }

  .book-detail-card--regional {
    --book-detail-text-frame-width: calc(100% - (var(--book-detail-copy-inset) * 2));
    --book-detail-copy-width: 90%;
    --book-detail-title-size: clamp(0.96rem, 5.15cqw, 1.42rem);
    --book-detail-copy-size: clamp(0.48rem, 2.25cqw, 0.62rem);
    --book-detail-copy-line: 1.04;
  }

  .book-detail-card--regional .book-detail-card__copy--anchored {
    padding: clamp(0.4rem, 2.1cqw, 0.68rem);
  }

  .book-detail-card--regional .book-detail-card__points {
    gap: clamp(0.08rem, 0.48cqw, 0.18rem);
    margin-top: clamp(0.14rem, 0.9cqw, 0.3rem);
  }

  .book-detail-card--art {
    background-image:
      linear-gradient(180deg, rgba(5, 9, 16, 0.1) 0%, rgba(5, 9, 16, 0.18) 46%, rgba(5, 9, 16, 0.34) 100%),
      var(--book-detail-bg);
  }

  .book-detail-card--feature.book-detail-card--art {
    background-image:
      radial-gradient(ellipse at 50% 25%, rgba(2, 6, 12, 0.46) 0%, rgba(4, 8, 15, 0.3) 46%, rgba(4, 8, 15, 0.12) 72%, transparent 100%),
      linear-gradient(180deg, rgba(5, 9, 16, 0.1) 0%, rgba(5, 9, 16, 0.18) 46%, rgba(5, 9, 16, 0.34) 100%),
      var(--book-detail-bg);
    background-size: cover, cover, cover;
  }

  .book-detail-card__copy {
    width: calc(100% - 1.5rem);
    margin: 0.75rem;
  }

  .book-detail-card__copy--anchored {
    width: var(--book-detail-copy-width);
    margin: 0;
    padding: clamp(0.42rem, 2.45cqw, 0.74rem);
  }

  .book-detail-card__panel-actions {
    top: auto;
    right: auto;
    bottom: var(--book-detail-copy-inset);
    left: var(--book-detail-copy-inset);
    align-items: flex-start;
    justify-content: flex-start;
    gap: 0.35rem;
  }

  .book-detail-card h3,
  .book-detail-card h4 {
    font-size: clamp(1.45rem, 8vw, 2.35rem);
  }

  .book-detail-card__book-title {
    font-size: var(--book-detail-book-title-size);
  }

  .book-detail-card--feature h4 {
    font-size: var(--book-detail-title-size);
  }

  .book-detail-card__points {
    gap: clamp(0.1rem, 0.65cqw, 0.22rem);
    margin-top: clamp(0.18rem, 1.1cqw, 0.38rem);
  }
}