.book{background:var(--deep);color:#fff;padding:4.5rem 0}
.book-inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.5fr);gap:3rem;align-items:start}
.book-copy p{opacity:.85;max-width:38ch}
.book-panel{background:#fff;color:var(--ink);border-radius:14px;padding:1.5rem}
@media (max-width:900px){.book-inner{grid-template-columns:minmax(0,1fr);gap:1.5rem}}