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h1{font-size:clamp(2.6rem,5.4vw,5rem)}.product-heading .lead{max-width:900px}.product-story p{font-size:1.1rem}.detail-faq{border-top:1px solid var(--line);padding:20px 0}.detail-faq summary{font-weight:700;cursor:pointer;min-height:44px}.detail-faq p{margin-top:12px}.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.related-grid a{text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center}.related-grid img{max-height:220px;width:auto;margin:0 auto 16px;border-radius:6px}.related-grid h3{font-size:1.4rem}.printable-hero{display:grid;grid-template-columns:1.4fr 1fr;align-items:center;gap:30px}.printable-hero .hero-art{max-width:320px}.filter-form{margin-top:24px}.filter-form fieldset{border:0;padding:0;margin:20px 0}.filter-form legend{font-size:.85rem;font-weight:700;margin-bottom:8px}.filter-options{display:flex;flex-wrap:wrap;gap:10px}.filter-option{position:relative;display:inline-flex;align-items:center;gap:8px;padding:9px 17px;background:var(--sage);border:2px solid transparent;border-radius:24px;min-height:46px;cursor:pointer;font-weight:600;font-size:.95rem}.filter-option:has(input:checked){border-color:var(--teal);background:var(--teal);color:var(--cream)}.filter-option:has(:focus-visible){outline:3px solid var(--teal);outline-offset:4px}.filter-option input{accent-color:var(--teal);width:17px;height:17px}.search-label{display:block;font-size:.9rem;font-weight:600;margin-bottom:8px}.search-controls{display:flex;gap:12px;max-width:780px;align-items:center}.search-controls input{min-width:0;width:100%;min-height:54px;border:1.5px solid var(--teal);border-radius:12px;background:transparent;color:var(--teal);padding:12px 18px;font:inherit}.filter-footer{display:flex;gap:20px;align-items:center;flex-wrap:wrap}.filter-footer a{min-height:44px;display:flex;align-items:center}.result-count{color:var(--muted);margin-top:24px}.catalog-empty{background:var(--sage);padding:36px;border-radius:var(--radius);margin-block:28px}.download-steps{border:1px solid var(--line);border-radius:var(--radius);padding:28px;text-align:center}.download-steps h2{margin-top:0}.download-steps ol{display:flex;justify-content:center;gap:40px;list-style:none;padding:0}.download-steps li{display:flex;align-items:center;gap:12px}.download-steps strong{display:inline-flex;align-items:center;justify-content:center;border-radius:50%;width:38px;height:38px;background:var(--coral);color:#103a38}.age-band{text-align:center;background:var(--sage);padding:16px;border-radius:12px;font-weight:700}.related-links{display:flex;gap:12px;flex-wrap:wrap}.related-links a{min-height:44px;display:flex;align-items:center}.bundle-callout{display:flex;align-items:center;justify-content:space-between;gap:24px;background:var(--sage);border-radius:var(--radius);padding:24px;margin-block:16px;text-decoration:none}.bundle-callout h2{margin:0 0 8px;font-size:1.8rem}.bundle-callout p{margin:0}.bundle-callout:hover h2{text-decoration:underline}@media (max-width:1000px){.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.book-introduction{gap:28px}.book-specs{padding:18px}.catalog-product-link .book-cover{height:270px}}@media (max-width:700px){.book-introduction{grid-template-columns:1fr;gap:24px}.cover-stage{padding:24px}.cover-stage .book-cover{max-height:450px}.related-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,9rem),1fr))}.printable-hero{grid-template-columns:1fr}.printable-hero .hero-art{max-width:160px}.printable-hero h1{font-size:2.8rem}.download-steps ol{flex-direction:column;gap:12px;align-items:flex-start}.download-steps{text-align:left}.book-specs{grid-template-columns:1fr 1fr;gap:0 16px}.book-specs dd{font-size:1rem}.catalog-card{padding:18px}.catalog-card h2,.catalog-card h3{font-size:1.45rem}.search-controls{flex-wrap:wrap}.filter-option{padding:8px 12px;font-size:.9rem}.product-story p{font-size:1rem}}@media (max-width:500px){.catalog-grid{grid-template-columns:1fr}.catalog-product-link .book-cover{height:300px}.catalog-card h2,.catalog-card h3{font-size:1.7rem}.book-specs{grid-template-columns:1fr}.related-grid img{max-height:180px}.related-grid h3{font-size:1.25rem}.filter-options{gap:8px}.catalog-note{padding:22px}}