.books-page{--forest:#1b3a12;--green:#3d6128;--green-mid:#4e7a33;--cream:#faf8f4;--cream-warm:#f3efe8;--sand:#e8e2d8;--charcoal:#1a1a18;--text:#2a2a26;--text-soft:#5a5a52;--text-muted:#8a8a7e;--white:#ffffff;--paper:#faf8f4;--paper-2:#f3efe8;--ink:#1a1a18;--ink-2:#5a5a52;--ink-3:#8a8a7e;--line:#e8e2d8;--accent:#3d6128;--accent-2:#4e7a33;--accent-soft:#e8f2e0;--warn:#8a7a3a;--warn-soft:#f5f2e4;background:var(--cream);color:var(--text);font-family:var(--font-inter),Inter,sans-serif}.books-page h1,.books-page h2,.books-page h3{font-family:var(--font-heading),"Playfair Display",Georgia,serif;font-weight:400;color:var(--charcoal);letter-spacing:-.01em}.books-page a{color:var(--green);text-decoration:underline;text-underline-offset:3px}.books-page .books-btn{text-decoration:none}.books-page a:hover{color:var(--forest)}.books-wrap{width:min(1080px,calc(100% - 40px));margin:0 auto}.books-hero{padding:72px 0 36px}.books-kicker{margin:0 0 12px;font-size:.78rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--green)}.books-page h1{margin:0;max-width:14ch;font-size:clamp(2.8rem,6vw,4.8rem);line-height:1.02}.books-page h1 em{font-style:italic;font-weight:400}.books-page h1 a{color:var(--forest);text-decoration-thickness:1px;text-underline-offset:.12em}.books-lead{max-width:42rem;margin:18px 0 0;font-size:1.12rem;line-height:1.6;color:var(--text-soft)}.books-facts{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:36px}.books-fact{padding:18px 16px;background:var(--white);border:1px solid var(--sand);border-radius:8px}.books-fact b{display:block;font-family:var(--font-heading),Georgia,serif;font-size:1.8rem;font-weight:500;color:var(--forest)}.books-fact span{display:block;margin-top:4px;font-size:.92rem;line-height:1.4;color:var(--text-soft)}.books-section{padding:28px 0 48px}.books-page h2{margin:0;font-size:clamp(1.8rem,3vw,2.6rem);line-height:1.15}.books-page h3{margin:0;font-size:1.55rem;line-height:1.25}.books-prose p{margin:16px 0 0;font-size:1.05rem;line-height:1.7;max-width:44rem}.books-prose p:first-of-type{margin-top:16px}.books-diagram{margin-top:24px;overflow-x:auto;background:var(--white);border:1px solid var(--sand);border-radius:12px;padding:12px}.books-diagram svg{display:block;width:100%;min-width:640px;height:auto}.books-diagram::-webkit-scrollbar{height:10px}.books-diagram::-webkit-scrollbar-track{background:var(--cream-warm);border-radius:8px}.books-diagram::-webkit-scrollbar-thumb{background:#c4bbae;border-radius:8px}.books-caption{margin:12px 0 0;max-width:44rem;font-size:.95rem;line-height:1.55;color:var(--text-soft)}.books-note{margin-top:24px;padding:22px 24px;background:var(--cream-warm);border-left:3px solid var(--green);border-radius:0 8px 8px 0}.books-note p{margin:0;font-size:1.05rem;line-height:1.65}.books-note .who{margin-top:12px;font-size:.92rem;color:var(--text-soft)}.books-fine{margin:10px 0 0;font-size:.92rem;line-height:1.5;color:#3f3a32}.books-key{display:grid;gap:14px;margin-top:20px}.books-key article{padding:16px 18px;background:var(--white);border:1px solid var(--sand);border-radius:8px}.books-key b{display:block;margin-bottom:6px;color:var(--forest)}.books-key span{display:block;font-size:.98rem;line-height:1.6;color:var(--text-soft)}.books-list{display:grid;gap:28px;margin-top:28px}.books-item{display:grid;grid-template-columns:180px 1fr;gap:28px;align-items:start;padding-top:28px;border-top:1px solid var(--sand)}.books-item img{width:180px;height:auto;border-radius:4px;box-shadow:0 10px 28px rgba(26,26,24,.12)}.books-item h3{margin-bottom:8px}.books-meta{font-size:.95rem;line-height:1.5;color:var(--text-soft)}.books-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.books-btn{display:inline-block;padding:12px 22px;border-radius:999px;font-size:.92rem;font-weight:500;text-decoration:none;border:1.5px solid var(--green)}.books-page a.books-btn--solid{background:var(--green);color:var(--white)}.books-page a.books-btn--solid:hover{background:var(--forest);color:var(--white)}.books-page a.books-btn--outline{background:transparent;color:var(--green)}.books-page a.books-btn--outline:hover{background:var(--accent-soft);color:var(--forest)}.books-edition{margin-top:14px;font-size:.95rem;line-height:1.5;color:var(--text-soft)}.books-research ul{margin:18px 0 0;padding:0;list-style:none;display:grid;gap:16px;max-width:44rem}.books-research li{font-size:1.02rem;line-height:1.65}.books-cta{display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:center;padding:36px 32px;background:var(--forest);border-radius:12px}.books-cta,.books-cta h2{color:var(--white)}.books-cta p{margin:10px 0 0;line-height:1.6;color:rgba(255,255,255,.88)}.books-cta .books-links{justify-content:flex-end}.books-page .books-cta a.books-btn--solid{background:var(--white);color:var(--forest);border-color:var(--white)}.books-page .books-cta a.books-btn--outline{color:var(--white);border-color:rgba(255,255,255,.7)}.books-page .books-cta a.books-btn--outline:hover,.books-page .books-cta a.books-btn--solid:hover{background:var(--cream);color:var(--forest)}.books-quiz-line{margin:14px 0 0;font-size:1rem}.books-quiz-line a{color:var(--text);text-decoration:underline}.books-clinician{margin:10px 0 0;font-size:.95rem;color:var(--text-soft)}.books-faq{display:grid;gap:10px;margin-top:18px;max-width:44rem}.books-faq details{background:var(--white);border:1px solid var(--sand);border-radius:8px;padding:14px 16px}.books-faq summary{cursor:pointer;font-weight:600;color:var(--charcoal)}.books-faq p{margin:10px 0 0;line-height:1.6;color:var(--text-soft)}@media (max-width:800px){.books-cta,.books-facts,.books-item{grid-template-columns:1fr}.books-cta .books-links{justify-content:flex-start}.books-hero{padding-top:40px}}