.site-nav {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 32px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

.site-brand {
  font-size: 1.15rem;
  font-weight: 600;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-links a {
  display: inline-block;
  padding: 10px 0;
  font-weight: 600;
  text-underline-offset: 6px;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

.site-nav + .hero {
  padding-top: 20px;
}

.book-feature {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  align-items: center;
  gap: clamp(28px, 5vw, 64px);
  padding: clamp(24px, 4vw, 48px);
  border: 1px solid rgba(87, 147, 128, 0.25);
  border-radius: 28px;
  background: linear-gradient(135deg, #f0f5e9, #fff5dd);
  box-shadow: var(--shadow-soft);
}

.book-cover-link {
  display: block;
  width: 100%;
  max-width: 340px;
  margin: 0 auto;
}

.book-cover {
  width: 100%;
  max-width: 340px;
  height: auto;
  margin: 0 auto;
  border-radius: 3px;
  box-shadow: 0 18px 32px rgba(28, 55, 39, 0.24);
}

.book-copy {
  min-width: 0;
}

.book-copy .section-title {
  display: block;
  font-size: clamp(1.9rem, 3vw, 2.8rem);
}

.book-copy .section-title::after {
  content: none;
}

.book-tagline {
  margin: 8px 0 16px;
  color: #375c3e;
  font-size: 1.3rem;
}

.book-copy .hero-text {
  margin: 0 0 16px;
}

.book-byline {
  margin: 20px 0;
  line-height: 1.6;
}

.author-link {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.book-release {
  margin: 0 0 24px;
  color: #375c3e;
  font-size: 1.1rem;
}

.book-copy .btn {
  gap: 10px;
}

.book-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.book-page {
  padding-top: 0;
}

.book-introduction {
  padding-top: 32px;
}

.book-page .book-feature {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
}

.book-page .book-cover {
  max-width: 400px;
}

.book-eyebrow {
  margin: 0 0 12px;
  color: #375c3e;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.book-information {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  align-items: center;
  gap: clamp(28px, 5vw, 64px);
}

.book-details dl {
  margin: 8px 0 0;
}

.book-details dl > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(87, 147, 128, 0.2);
  line-height: 1.5;
}

.book-details dl > div:last-child {
  border-bottom: 0;
}

.book-details dt {
  font-weight: 600;
}

.book-details dd {
  margin: 0;
}

.book-preorder {
  min-width: 0;
  scroll-margin-top: 24px;
}

.retailer-links {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.book-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: start;
  gap: 28px;
  margin-top: 24px;
}

.book-gallery figure {
  min-width: 0;
  margin: 0;
}

.book-gallery img {
  width: 100%;
  height: auto;
  border-radius: 3px;
  box-shadow: 0 12px 24px rgba(28, 55, 39, 0.18);
}

.book-gallery figcaption {
  margin-top: 18px;
  color: #375c3e;
  font-size: 0.95rem;
  line-height: 1.6;
}

@media (max-width: 760px) {
  .site-nav {
    padding: 20px;
    gap: 8px;
  }

  .nav-links {
    gap: 4px 20px;
  }

  .book-feature,
  .book-page .book-feature {
    grid-template-columns: minmax(0, 1fr);
    padding: 24px;
  }

  .book-cover-link,
  .book-page .book-cover {
    max-width: 280px;
  }

  .book-information,
  .book-gallery {
    grid-template-columns: minmax(0, 1fr);
  }

  .book-gallery {
    gap: 36px;
  }

  .book-gallery figure {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
  }
}