[hidden]{display:none!important}
html{scroll-padding-top:110px}
main h1:focus{outline:none}
.breadcrumb a{text-decoration:underline;text-underline-offset:3px}
.before-you-buy{border-top:1px solid #dedee2;margin-top:28px;padding-top:22px;max-width:650px}
.before-you-buy h2{font-size:18px;line-height:1.4;margin:0 0 14px}
.before-you-buy p{font-size:13px;line-height:1.65;color:#484850;margin:0 0 9px}
.before-you-buy strong{font-weight:550}
.product-page .book-description{max-width:900px;margin-top:48px;padding-top:32px;border-top:1px solid #dedee2}
.product-page .book-description p{font-size:17px;line-height:1.85;color:#414149;margin:0 0 23px}
.product-return{display:flex;flex-wrap:wrap;gap:20px 35px;padding-top:22px}
@media(max-width:720px){.product-page .book-description p{font-size:16px;line-height:1.8}.before-you-buy{margin-top:24px}.product-page .book-description{margin-top:32px;padding-top:25px}.product-top h1{font-size:28px}}
.guide-hub,.subject-guide{padding-bottom:64px}
.guide-heading{padding:48px 0 36px;position:static;background:none;backdrop-filter:none;border:0;z-index:auto}
.guide-heading h1{max-width:960px;font-size:44px;line-height:1.13;margin:14px 0 22px;text-wrap:balance;overflow-wrap:break-word}
.guide-deck{font-size:18px;line-height:1.65;color:#55555d;max-width:780px;margin:0 0 25px}
.hub-tools{display:flex;align-items:center;gap:24px;margin-top:32px}
.hub-tools p,.guide-count{font-size:13px;color:#626268}
.guide-search{display:block;max-width:460px;width:100%}
.guide-search input{font:inherit;font-size:14px;padding:14px 16px;width:100%;border:1px solid #bfc4c7;border-radius:7px;background:#fff;min-height:48px;color:#1d1d1f}
.guide-search input:focus-visible{outline:2px solid #007b83;outline-offset:3px}
.subject-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 32px;border-top:1px solid #dedee2}
.subject-card{border-bottom:1px solid #dedee2;min-width:0}
.subject-card-link{display:grid;grid-template-columns:96px minmax(0,1fr);gap:20px;padding:28px 0;height:100%;color:inherit;text-decoration:none}
.subject-card img{width:96px;height:120px;object-fit:cover;border-radius:4px}
.subject-card h2{font-size:20px;line-height:1.25;margin:6px 0 12px;overflow-wrap:break-word}
.subject-card p:not(.eyebrow){font-size:13px;line-height:1.65;color:#55555d;margin:0 0 14px}
.subject-card .eyebrow{margin:0;font-size:11px}
.subject-card .text-link{font-size:12px}
.subject-card-link:hover h2,.guide-book h3 a:hover{text-decoration:underline;text-underline-offset:4px}
.subject-card-link:focus-visible{outline:2px solid #007b83;outline-offset:4px}
.guide-advice{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:70px;border-block:1px solid #dedee2;padding:32px 0 40px}
.guide-advice h2,.guide-selection h2,.guide-next h2{font-size:25px;line-height:1.25;margin:0 0 20px;font-weight:600}
.guide-advice p{font-size:15px;line-height:1.8;color:#484850;margin:0 0 18px}
.guide-advice p:last-child{margin-bottom:0}
.guide-advice dl{margin:0;padding-left:28px;border-left:2px solid #c6dddc}
.guide-advice dl>div+div{margin-top:25px}
.guide-advice dt{font-size:15px;font-weight:650;margin-bottom:7px}
.guide-advice dd{font-size:14px;line-height:1.7;color:#55555d;margin:0}
.guide-selection{padding-top:45px;scroll-margin-top:110px}
.guide-selection-heading{display:flex;justify-content:space-between;align-items:start;gap:28px}
.guide-selection-heading .guide-search{max-width:320px}
.guide-selection h2{margin-bottom:12px}
.guide-features{display:flex;gap:10px 20px;flex-wrap:wrap;font-size:12px;color:#435557;margin:0 0 18px}
.guide-features span:before{content:'\2713';margin-right:6px;color:#007b83}
.guide-book-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 36px}
.guide-book{display:grid;grid-template-columns:112px minmax(0,1fr);gap:20px;border-top:1px solid #dedee2;padding:25px 0;min-width:0}
.guide-cover{display:block;overflow:hidden;border-radius:4px;aspect-ratio:4/5;align-self:start}
.guide-cover img{display:block;width:100%;height:100%;object-fit:cover}
.guide-book-info{min-width:0;display:flex;flex-direction:column}
.guide-edition{font-size:11px;color:#00666e;margin:0 0 7px;font-weight:600}
.guide-book h3{font-size:16px;line-height:1.4;margin:0 0 9px;font-weight:600;overflow-wrap:anywhere}
.guide-book h3 a{color:#1d1d1f;text-decoration:none}
.guide-author{font-size:12px;color:#626268;line-height:1.6;margin:0 0 10px}
.guide-focus{font-size:13px;line-height:1.65;margin:0 0 18px;color:#55555d}
.guide-book-actions{display:flex;align-items:center;gap:12px 18px;flex-wrap:wrap;margin-top:auto;padding-top:8px}
.guide-book-actions strong{font-size:16px;white-space:nowrap}
.guide-book-actions small{font-size:10px;font-weight:400}
.guide-book-actions a{font-size:12px;min-height:32px;display:inline-flex;align-items:center}
.guide-book-actions .buy{margin-left:auto}
.guide-sources{padding:22px 0;border-block:1px solid #dedee2;margin-top:30px;font-size:13px}
.guide-sources li{margin:12px 0;line-height:1.6}
.guide-sources a{color:#00666e}
.guide-next{border-top:1px solid #dedee2;margin-top:45px;padding-top:35px;display:flex;align-items:center;gap:25px;flex-wrap:wrap}
.guide-next h2{margin:0 auto 0 0}
.guide-empty,.subject-empty{padding:35px 0;color:#55555d}
.footer-inner>div{flex-wrap:wrap}
@media(hover:hover) and (prefers-reduced-motion:no-preference){.guide-cover img,.subject-card img{transition:transform .3s}.guide-cover:hover img,.subject-card-link:hover img{transform:scale(1.035)}}
@media(max-width:1100px){.subject-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.guide-advice{gap:36px}.guide-book{grid-template-columns:90px minmax(0,1fr);gap:16px}.guide-book-list{gap:0 24px}}
@media(max-width:720px){html{scroll-padding-top:145px}.guide-heading{padding:30px 0}.guide-heading h1{font-size:32px;line-height:1.18}.guide-deck{font-size:16px}.hub-tools{align-items:stretch;flex-direction:column;gap:8px;margin-top:24px}.hub-tools p{margin:5px 0}.subject-grid{grid-template-columns:1fr}.subject-card-link{grid-template-columns:88px minmax(0,1fr);padding:23px 0;gap:19px}.subject-card img{width:88px;height:110px}.subject-card h2{font-size:21px}.guide-advice{grid-template-columns:1fr;gap:28px;padding:28px 0}.guide-advice dl{padding-left:20px}.guide-advice h2,.guide-selection h2,.guide-next h2{font-size:24px}.guide-selection-heading{display:block}.guide-selection-heading .guide-search{max-width:none;margin:12px 0 18px}.guide-book-list{grid-template-columns:1fr}.guide-book{grid-template-columns:84px minmax(0,1fr);gap:15px}.guide-book-actions{gap:8px 12px}.guide-book-actions .buy{margin-left:0}.guide-book-actions strong{width:100%}.guide-book h3{font-size:15px}.guide-focus{font-size:12px}.guide-features{font-size:11px;gap:8px 12px}.guide-next{display:block}.guide-next>a{margin:18px 20px 0 0;display:inline-flex}.guide-selection{scroll-margin-top:145px}.guide-hub,.subject-guide{padding-bottom:40px}}