/* ============================================
   PAWNOMICS | Book Detail Page Styles
   ============================================ */

/* --- Book Hero --- */
.book-hero { padding-top: calc(72px + var(--space-3xl)); }

.book-hero__inner {
  display: grid;
  grid-template-columns: 4fr 6fr;
  gap: var(--space-4xl);
  align-items: center;
}

.book-hero__cover {
  position: relative;
}

.book-hero__cover-art {
  width: 100%;
  max-width: 340px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow:
    12px 12px 32px rgba(107, 78, 61, 0.1),
    -4px -4px 12px rgba(255,255,255,0.8);
  transform: rotateY(-2deg);
  transition: transform var(--transition-gentle);
}

.book-hero__cover-art:hover {
  transform: rotateY(0deg);
}

.book-hero__series {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: var(--space-md);
}

.book-hero__content h1 {
  margin-bottom: var(--space-lg);
}

.book-hero__details {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin: var(--space-2xl) 0;
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--beige);
  border-bottom: 1px solid var(--beige);
}

.book-detail {
  text-align: center;
}

.book-detail__label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.book-detail__value {
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  color: var(--soft-black);
}

/* --- Story Section --- */
.book-story__inner {
  text-align: center;
}

.book-story__text {
  text-align: left;
  max-width: var(--max-width-text);
  margin: 0 auto;
}

.book-story__text p {
  font-size: 1.125rem;
  line-height: 1.85;
}

/* --- Objectives Grid --- */
.objectives-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
  max-width: 900px;
  margin: 0 auto;
}

.objective-card {
  padding: var(--space-2xl);
  background: var(--warm-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--beige);
  transition: border-color var(--transition-base);
}

.objective-card:hover {
  border-color: var(--sage-green);
}

.objective-card__number {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 300;
  color: var(--sage-green);
  opacity: 0.5;
  margin-bottom: var(--space-sm);
}

.objective-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.objective-card p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  margin: 0;
}

/* --- Preview Grid --- */
.preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  max-width: 900px;
  margin: 0 auto;
}

.preview-page {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(107, 78, 61, 0.06);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.preview-page:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(107, 78, 61, 0.1);
}

.preview-page svg {
  width: 100%;
  height: auto;
  display: block;
}

/* --- Related Books --- */
.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2xl);
  max-width: 700px;
  margin: 0 auto;
}

.related-book {
  text-align: center;
  text-decoration: none;
  color: inherit;
  transition: transform var(--transition-base);
}

.related-book:hover {
  transform: translateY(-4px);
  color: inherit;
}

.related-book__cover {
  width: 100%;
  max-width: 240px;
  margin: 0 auto var(--space-lg);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(107, 78, 61, 0.08);
}

.related-book__cover svg {
  width: 100%;
  height: auto;
  display: block;
}

.related-book__title {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 500;
  margin-bottom: var(--space-xs);
  color: var(--soft-black);
}

.related-book__status {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-style: italic;
  margin: 0;
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .book-hero__inner {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    text-align: center;
  }
  .book-hero__cover-art { max-width: 260px; }
  .book-hero__details { grid-template-columns: repeat(2, 1fr); }
  .book-hero__content .hero__cta-group { justify-content: center; }
}

@media (max-width: 768px) {
  .objectives-grid { grid-template-columns: 1fr; }
  .preview-grid { grid-template-columns: 1fr 1fr; }
  .related-grid { grid-template-columns: 1fr; max-width: 300px; }
}

@media (max-width: 480px) {
  .preview-grid { grid-template-columns: 1fr; max-width: 280px; margin: 0 auto; }
  .book-hero__details { grid-template-columns: 1fr 1fr; }
}