.rail-actions .books-nav-link { display: inline-flex; align-items: center; min-height: 44px; color: var(--text); }
.hero-book-shelf { grid-column: 8 / -1; align-self: center; }
.hero-book-shelf h2 { margin: 0 0 1.25rem; font-size: clamp(1.5rem, 2vw, 2rem); line-height: 1.1; }
.hero-book-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem 1.75rem; }
.hero-book-link { display: grid; grid-template-columns: 1fr; text-decoration: none; gap: 0.5rem; align-content: start; }
.hero-book-link img { display: block; width: auto; max-width: 100%; height: clamp(9rem, 19vh, 14rem); object-fit: contain; object-position: left bottom; }
.hero-book-title { font: 1rem/1.3 var(--sans); color: var(--silk); }
.hero-book-shelf p { margin: 1.25rem 0 0; color: var(--silk); font-size: 0.875rem; }
.hero-book-shelf .shelf-all { display: inline-flex; align-items: center; min-height: 44px; margin-top: 0.5rem; text-underline-offset: 0.3em; }
.hero-book-link:focus-visible, .shelf-all:focus-visible, .book-format a:focus-visible, .book-jump-links a:focus-visible { outline: 2px solid var(--focus); outline-offset: 6px; }
.hero-book-link:hover .hero-book-title { text-decoration: underline; text-underline-offset: 0.25em; }
.books-intro { padding-block: clamp(3rem, 7vw, 6rem) 3rem; }
.books-intro h1 { max-width: 15ch; margin-block: 1.5rem; font-size: clamp(3rem, 6vw, 6rem); line-height: 1; }
.books-intro .books-deck { max-width: 62ch; margin: 0; color: var(--muted); font-size: 1.125rem; }
.books-release-note { margin-top: 1.75rem; max-width: 68ch; font-size: 0.9375rem; }
.book-jump-links { display: flex; flex-wrap: wrap; column-gap: 1.75rem; row-gap: 0.25rem; margin-top: 1.5rem; }
.book-jump-links a { display: inline-flex; align-items: center; min-height: 44px; text-underline-offset: 0.3em; }
.book-catalog { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 4rem; padding-bottom: 5rem; }
.book-record { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr); align-items: start; gap: 2rem; border-top: 1px solid var(--rule); padding-block: 3rem; scroll-margin-top: 2rem; }
.book-cover { margin: 0; }
.book-cover img { display: block; width: 100%; height: auto; object-fit: contain; }
.book-record .book-kind { color: var(--muted); font: 0.75rem/1.5 var(--mono); letter-spacing: 0.04em; }
.book-record h2 { font-size: clamp(2rem, 3vw, 3rem); line-height: 1.04; margin: 0.75rem 0; overflow-wrap: break-word; }
.book-subtitle { margin: 0; font-size: 1.0625rem; line-height: 1.4; color: var(--text); }
.book-author { color: var(--muted); margin-block: 0.75rem 1.5rem; font-size: 0.9375rem; }
.book-summary, .book-detail { margin-block: 0 1rem; font-size: 1rem; line-height: 1.65; }
.book-detail { color: var(--muted); }
.book-formats { display: grid; gap: 0.75rem; border-top: 1px solid var(--rule); padding-top: 1.25rem; margin-top: 1.5rem; }
.book-format p { margin: 0; font-size: 0.9375rem; }
.book-format .format-status { color: var(--text); }
.book-format .format-pending { margin-top: 0.3rem; color: var(--muted); font-size: 0.875rem; }
.book-format .book-price { margin-top: 0.5rem; color: var(--muted); font-size: 0.875rem; }
.book-format a { display: inline-flex; align-items: center; min-height: 44px; margin-top: 0.5rem; text-underline-offset: 0.3em; }
.book-check-date { margin-top: 1rem; color: var(--muted); font-size: 0.75rem; }
.books-closing { border-top: 1px solid var(--rule); padding-block: 2rem 4rem; max-width: 68ch; margin-left: 0; }
@media (max-width: 80rem) {
  .utility-rail { grid-template-columns: 1fr auto; }
  .utility-label { display: none; }
  .rail-actions { flex-wrap: wrap; gap: 0.75rem; }
  .book-catalog { column-gap: 2rem; }
  .book-record { grid-template-columns: 1fr; gap: 1.5rem; }
  .book-cover img { max-width: 18rem; }
}
@media (max-width: 48rem) {
  .utility-rail { padding-block: 1rem; row-gap: 0.75rem; }
  .rail-actions { grid-column: 1 / -1; justify-self: start; justify-content: flex-start; gap: 0.5rem 1rem; }
  .rail-actions a { min-height: 44px; }
  .hero-grid { padding-top: 2.5rem; }
  .hero-book-shelf { order: 2; margin-top: 2.5rem; width: 100%; }
  .hero-book-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
  .hero-book-link img { width: 100%; height: auto; }
  .hero-book-title { font-size: 0.875rem; }
  .hero-folio { order: 3; }
  .book-catalog { grid-template-columns: 1fr; }
  .book-record { grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr); gap: 1.5rem; }
  .book-jump-links { gap: 0 1.25rem; }
}
@media (max-width: 30rem) {
  .hero-book-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-book-link img { max-height: 15rem; width: auto; }
  .book-record { grid-template-columns: 1fr; }
  .book-cover img { max-width: 16rem; }
}
@media (forced-colors: active) {
  .book-record, .book-formats, .books-closing { border-color: CanvasText; }
}
/* Keep the covers readable against the existing atelier scene. */
.hero-book-shelf { padding: 1.5rem; background: rgb(9 9 11 / 88%); color: var(--silk); border-top: 1px solid var(--iron); }
@media (max-width: 100rem) {
  .utility-rail { grid-template-columns: 1fr auto; }
  .utility-label { display: none; }
}
@media (max-width: 48rem) {
  .hero-book-shelf { padding: 1.5rem 0 0; background: transparent; color: var(--text); }
  .hero-book-title, .hero-book-shelf p { color: var(--text); }
}