/* Book catalogue and product pages. Keep the original cover artwork intact. */
.books-page h1,.book-product-page h1{font-size:clamp(2.35rem,4.8vw,4.2rem);max-width:20ch;text-transform:none}
.books-intro{padding:3.5rem 0 2rem}.books-catalogue{padding-top:1rem}
.book-listing{display:grid;grid-template-columns:minmax(180px,280px) minmax(0,1fr);gap:clamp(1.5rem,5vw,4rem);padding:2.5rem;margin-bottom:2rem;border:1px solid var(--line);border-radius:var(--radius);background:rgba(255,255,255,.025);align-items:center;scroll-margin-top:8rem}
.book-listing h2{font-size:clamp(1.9rem,3vw,2.75rem)}.book-listing ul,.book-topics{color:var(--muted);padding-left:1.3rem;margin:1rem 0 1.5rem}.book-listing li,.book-topics li{margin-bottom:.6rem}.book-topics li{padding-left:.4rem;margin-bottom:1.1rem}
.cover-link{display:block;max-width:280px;width:100%;margin:auto}.handbook-art{position:relative;width:100%;aspect-ratio:848/1000;overflow:hidden;background:#101112;box-shadow:0 14px 35px #0007}
.handbook-art img{position:absolute;top:0;left:-50.24%;width:176.89%;max-width:none;height:100%;max-height:none;filter:none;object-fit:fill}
.shim-art{width:100%;height:auto;box-shadow:0 14px 35px #0007}.book-hero{display:grid;grid-template-columns:1.35fr .65fr;gap:3rem;align-items:center}.hero-book-art{width:100%;max-width:290px;justify-self:center}.book-details{margin-top:1.3rem;font-size:.95rem}.further-book{margin-top:2.5rem}.further-book h2{font-size:1.7rem}.book-product-page .book-covers{width:100%;max-width:350px;justify-self:center}.book-product-page .hero-grid{grid-template-columns:1.35fr .8fr}.books-page .button{text-align:center}
@media(max-width:700px){.book-listing{grid-template-columns:1fr;padding:1.4rem;gap:1.8rem}.cover-link{max-width:210px}.book-hero,.book-product-page .hero-grid{grid-template-columns:1fr}.hero-book-art{max-width:230px}.books-intro{padding-top:2rem}.books-page .nav-wrap{display:block}.books-page .nav{justify-content:flex-start}.book-product-page .book-covers{max-width:250px}.book-listing .cta-row .button{flex:1 1 150px}}

/* Frame the front of the supplied tuning-guide wrap without changing the artwork. */
.tuning-art{position:relative;width:100%;aspect-ratio:701/1055;overflow:hidden;background:#f5f5f5;box-shadow:0 14px 35px #0007}
.tuning-art img{position:absolute;top:0;left:-112.696%;width:212.696%;max-width:none;height:100%;object-fit:fill;filter:none}

.book-contents,.book-reading-preview,.book-related-reading{scroll-margin-top:7rem}.book-chapter-list{padding-left:1.6rem}.book-chapter-list li{padding-left:.3rem;margin-bottom:.75rem;line-height:1.55}.book-excerpt{margin:1.5rem 0;padding:0 0 0 1.3rem;border-left:3px solid var(--accent,#f9c54b);font-size:1.05rem;line-height:1.8}.book-excerpt p{margin:0 0 1rem}.book-equation{padding:1rem 1.2rem;margin:1.2rem 0;border:1px solid var(--line);border-radius:12px;overflow-wrap:anywhere}.book-equation p{margin:.6rem 0 0}.book-preview-nav{margin-top:1.5rem;line-height:2}.book-related-reading li{margin:.7rem 0}