/* Book overview pages share the launch palette, typefaces and controls. */
.book-overview{max-width:1168px;margin:auto;padding:32px 24px 0}
.book-hero{display:grid;gap:32px;padding-bottom:38px}
.book-hero-cover{width:min(100%,260px);margin:0 auto}
.book-hero-cover img{display:block;width:100%;height:auto;aspect-ratio:2/3;object-fit:contain;box-shadow:6px 8px 0 var(--shadow),0 18px 34px var(--shadow)}
.book-hero-copy{min-width:0}
.book-hero-copy>.eyebrow{margin:0 0 18px;padding-bottom:12px;border-bottom:1px solid var(--line);font-size:10px}
.book-volume{font-size:12px;font-weight:650;line-height:1.8;color:var(--accent);margin:0 0 12px}
.book-hero h1{font-size:clamp(58px,9vw,92px);line-height:.98;letter-spacing:.5px;margin:0 0 22px;overflow-wrap:break-word}
.book-hook{font-family:BookSerif,Georgia,serif;font-size:18px;line-height:1.8;margin:0 0 22px;max-width:40ch}
.book-preview-note{font-size:13px;line-height:1.85;color:var(--muted);max-width:52ch;margin:0 0 22px}
.book-hero-actions{display:grid;justify-items:start;gap:12px}
.book-read{min-height:52px;justify-content:space-between;gap:28px}
.book-buy-actions{display:flex;flex-wrap:wrap;gap:12px}
.book-editions-link{display:inline-flex;align-items:center;gap:16px;min-height:44px;font-size:12px;line-height:1.8;text-decoration:underline;text-underline-offset:4px}
.book-details{margin-top:18px;padding-top:18px;border-top:1px solid var(--line)}
.book-details .eyebrow{font-size:9px;margin:0 0 6px;text-transform:uppercase}
.book-details .edition-note{font-size:12px;line-height:1.9;margin:0;color:var(--muted);overflow-wrap:anywhere}
.book-reading-layout{display:grid;gap:30px;padding-bottom:32px}
.book-about{min-width:0;padding:24px 0 0;border-top:3px solid var(--accent)}
.book-about .eyebrow,.book-preview-card>.eyebrow{font-size:10px;margin:0 0 12px}
.book-about h2,.book-preview-card h2,.book-sample h2,.book-series h2{font-size:36px;line-height:1.1;margin:0 0 20px}
.book-about>p:not(.eyebrow){font-family:BookSerif,Georgia,serif;font-size:15px;line-height:1.95;margin:0 0 18px;max-width:65ch}
.book-preview-card{min-width:0;align-self:start;background:var(--surface);border:1px solid var(--line);border-top:3px solid var(--ink);padding:24px}
.book-preview-card h2{margin-bottom:16px}
.book-preview-progress{font-size:12px;line-height:1.8;color:var(--muted);margin:0}
.book-preview-card .chapter-list{margin:20px 0 0}
.book-preview-card .chapter-list a{display:grid;grid-template-columns:32px minmax(0,1fr);gap:10px;padding:18px 0;min-height:60px}
.book-preview-card .chapter-num{font-size:28px;width:auto}
.book-chapter-title{font-size:15px;line-height:1.7}
.book-preview-card .read-label{grid-column:2;font-size:11px;margin-left:0;white-space:normal}
.book-preview-card .read-label:empty{display:none}
.book-resume{margin-top:16px;font-size:13px}
.book-sample{display:grid;gap:20px;background:linear-gradient(110deg,var(--glow),transparent),var(--surface);border:1px solid var(--line);padding:24px;margin-bottom:32px}
.book-sample .eyebrow{font-size:10px;margin:0 0 12px}
.book-sample h2{margin-bottom:12px}
.book-sample p:last-child{font-size:13px;line-height:1.85;margin:0}
.book-sample-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.book-series{display:grid;gap:24px;background:var(--night);color:#fff7e9;border-top:4px solid var(--sun);padding:28px 22px}
.book-series>div>.eyebrow{font-size:9px;color:#c2cdd0;margin:0 0 10px}
.book-series h2{margin:0}
.book-series ol{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;list-style:none;padding:0;margin:0}
.book-series li{min-width:0}
.book-series a{display:flex;flex-direction:column;align-items:flex-start;gap:8px;min-height:44px;height:100%;border-bottom:3px solid transparent;padding:0 0 10px;text-decoration:none}
.book-series a[aria-current="page"]{border-bottom-color:var(--sun)}
.book-series a:hover .book-series-number{text-decoration:underline;text-underline-offset:4px}
.book-series a:focus-visible{outline-color:var(--sun)}
.book-series img{display:block;width:72px;max-width:100%;height:auto;aspect-ratio:2/3;object-fit:contain;box-shadow:3px 4px 0 #0008;transition:transform .2s ease}
.book-series-number{font-size:10px;line-height:1.8;color:var(--sun);font-weight:650}
.book-series-title{font-family:BookDisplay,Impact,sans-serif;font-size:24px;line-height:1.1}
.book-series-current{font-size:10px;line-height:1.7;color:#fff7e9}
.book-neighbors{display:grid;gap:16px;padding-block:28px}
.book-neighbors a{display:flex;flex-direction:column;justify-content:center;gap:8px;min-height:84px;background:var(--surface);border:1px solid var(--line);padding:20px}
.book-neighbors .eyebrow{font-size:10px}
.book-neighbors a>span:last-child{font-family:BookDisplay,Impact,sans-serif;font-size:28px;line-height:1.2}
.book-series-cta{display:grid;gap:24px;padding:28px 24px;margin-bottom:40px;border:1px solid var(--line);border-top:3px solid var(--accent)}
.book-series-cta .eyebrow{font-size:9px;margin:0 0 12px}
.book-series-cta h2{font-size:38px;line-height:1.1;margin:0}
.book-series-cta .button{text-align:left;justify-content:space-between;gap:18px}
@media(min-width:600px){.book-overview{padding-top:42px}.book-hero{grid-template-columns:minmax(0,230px) minmax(0,1fr);align-items:start;gap:32px}.book-hero-cover{width:100%}.book-hero h1{font-size:clamp(56px,8vw,90px)}.book-hook{font-size:16px}.book-series{grid-template-columns:140px minmax(0,1fr);align-items:center;gap:28px;padding:30px}.book-series ol{gap:20px}.book-neighbors{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}.book-next{grid-column:-2}.book-sample,.book-series-cta{padding:30px}}
@media(min-width:900px){.book-hero{grid-template-columns:320px minmax(0,1fr);align-items:center;gap:64px;padding-block:8px 48px}.book-hook{font-size:19px}.book-reading-layout{grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:48px;padding-bottom:40px}.book-about{padding-top:28px}.book-preview-card{padding:28px}.book-sample{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:30px;margin-bottom:40px}.book-series{grid-template-columns:190px minmax(0,1fr);gap:40px}.book-series img{width:82px}.book-series-cta{grid-template-columns:minmax(0,1fr) auto;align-items:center}}
@media(max-width:599px){.book-hero-actions,.book-read,.book-buy-actions{width:100%}.book-buy-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.book-series-title{display:none}.book-series-current{font-size:9px}.book-sample-actions{display:grid;grid-template-columns:minmax(0,1fr)}.book-series-cta .button{font-size:13px}}
@media(hover:hover) and (pointer:fine){.book-series a:hover img{transform:translateY(-4px)}}
@media(prefers-reduced-motion:reduce){.book-series img{transition:none}.book-series a:hover img{transform:none}}