.book-hero{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(34px,6vw,88px);align-items:start;padding-top:clamp(122px,16vh,180px)}
.bd-cover{position:sticky;top:100px;border-radius:2px;overflow:hidden;max-width:400px;justify-self:center;box-shadow:0 50px 90px -34px rgba(0,0,0,.82),0 0 0 1px var(--line)}
.bd-cover img{width:100%;display:block}
.bd-head .crumb{margin-bottom:22px}
.bd-head h1{font-family:"Newsreader",serif;font-weight:400;font-size:clamp(38px,5.4vw,74px);line-height:1.0;letter-spacing:-.02em;margin-bottom:.18em}
.bd-head .subt{font-family:"Newsreader",serif;font-style:italic;font-size:clamp(18px,1.9vw,26px);color:var(--sand);margin-bottom:.7em}
.bd-head .by{color:var(--sand);font-size:16px;margin-bottom:1.6em}
.bd-head .by a{color:var(--ember)}
.tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:1.8em}
.tag{font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--sand);border:1px solid var(--line);border-radius:999px;padding:6px 14px}
.buy{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:2.4em}
.price{font-family:"IBM Plex Mono",monospace;font-size:13px;color:var(--stone)}
.bd-desc p{font-size:clamp(16px,1.25vw,18.5px);color:var(--bone);max-width:60ch;margin-bottom:1em}
.bd-desc p.first{font-family:"Newsreader",serif;font-size:clamp(20px,2vw,27px);line-height:1.3;color:var(--bone);font-style:italic;margin-bottom:1.2em}
.bd-desc .muted{color:var(--sand)}
.details{margin-top:clamp(40px,6vh,64px);border-top:1px solid var(--line);padding-top:30px;display:grid;grid-template-columns:repeat(2,1fr);gap:20px 44px;max-width:560px}
.drow{display:flex;justify-content:space-between;gap:16px;padding-bottom:12px;border-bottom:1px solid var(--line-2)}
.drow .k{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--stone)}
.drow .v{font-size:14.5px;color:var(--bone);text-align:right}
.companion{display:flex;gap:22px;align-items:center;background:var(--ink-2);border:1px solid var(--line);border-radius:var(--r);padding:22px 26px;max-width:560px;margin-top:clamp(36px,5vh,54px)}
.companion .cl{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ember);margin-bottom:6px}
.companion h3{font-family:"Newsreader",serif;font-size:22px;margin-bottom:2px}
.companion p{color:var(--stone);font-size:13.5px}
.companion .go{margin-left:auto;white-space:nowrap}
@media(max-width:1000px){
  .book-hero{grid-template-columns:1fr;gap:40px}
  .bd-cover{position:static;order:-1;max-width:300px}
}
@media(max-width:820px){
  .details{grid-template-columns:1fr}
  .companion{flex-direction:column;align-items:flex-start;gap:12px}.companion .go{margin-left:0}
}