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@media(min-width:1450px){.hero-copy h1{font-size:67px}.hero-stage{height:405px}.hero-cover{width:220px}.book-art{height:350px}}
@media(max-width:1000px){.container{padding:0 28px}.header-inner{gap:20px}.nav{gap:20px}.contact-link{display:none}.hero-grid{gap:35px}.hero-copy h1{font-size:48px}.hero-copy>p{font-size:15px}.hero-stage{height:340px}.hero-cover{width:180px}.book-grid{gap:20px}.book-art{height:270px}.category-tile{padding-left:15px;padding-right:15px}.category-tile h3{font-size:16px}.detail-hero{gap:35px}.detail-cover-stage{padding:35px 30px;min-height:470px}.detail-info h1{font-size:26px}.detail-body{gap:40px}.purchase{grid-template-columns:1fr}.detail-info .purchase small{font-size:10px}.book-facts{grid-template-columns:1fr}.detail-hero{margin-bottom:35px}.detail-body{grid-template-columns:minmax(0,2.5fr) minmax(0,1fr)}.detail-aside h3{font-size:17px}.about-intro h1{font-size:42px}.about-intro{gap:35px}}
@media(max-width:760px){html{scroll-padding-top:90px}.header-inner{height:72px}.brand{font-size:20px}.nav{display:none}.menu-button{display:flex}.header-actions{gap:4px}.mobile-menu.open{display:flex;flex-direction:column;padding:12px 28px 22px;gap:17px;border-top:1px solid var(--line);font-size:14px}.hero-topline{font-size:8px;padding:17px 0}.hero-topline>span+span{display:none}.hero-grid{grid-template-columns:1fr;gap:35px;padding-top:34px}.hero-copy h1{font-size:clamp(42px,8vw,58px);margin-top:19px}.hero-copy>p{font-size:15px}.hero-note{margin-top:25px}.hero-stage{height:365px}.hero-cover{width:198px}.hero-book-info h2{font-size:19px}.hero-bottom{font-size:10px;gap:20px}.hero-bottom>span{display:none}.hero-bottom a{width:100%;justify-content:space-between}.section{padding-top:50px;padding-bottom:50px}.section-heading{gap:15px;align-items:flex-end}.section-heading h2{font-size:26px}.section-heading>.muted{display:none}.section-heading .text-link{font-size:11px;gap:5px;white-space:nowrap}.section-intro{font-size:12px;line-height:1.8}.book-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:25px 19px}.book-art{height:280px}.book-card h3{font-size:15px}.book-meta{font-size:9px;margin-top:13px}.book-author{font-size:11px}.book-price{font-size:12px}.category-section{padding:43px 0}.category-grid{grid-template-columns:repeat(2,1fr)}.category-tile{padding:20px 15px;min-height:136px}.category-tile:nth-child(2n){border-right:0}.category-tile:nth-child(2n/**/+1){padding-left:0}.category-tile h3{font-size:17px}.category-count{right:16px;top:19px}.category-tile>svg{right:16px;bottom:23px}.brand-section{padding:45px 0}.brand-section-inner{grid-template-columns:1fr;gap:25px}.brand-section h2{font-size:31px}.brand-section p{font-size:14px}.footer-top{grid-template-columns:1fr 1fr;gap:25px}.footer-nav{grid-column:1/-1;grid-template-columns:repeat(2,1fr)}.footer-top>p{font-size:17px}.footer-bottom{flex-wrap:wrap;gap:8px;font-size:9px}.footer-bottom span:nth-child(2){order:3;width:100%}.footer-bottom span:last-child{margin-left:auto}.page-heading{padding-top:42px;margin-bottom:28px}.page-heading h1{font-size:34px}.page-heading p{font-size:14px}.catalogue-search{padding:11px 13px;gap:10px}.catalogue-search input{font-size:13px}.catalogue-search input::placeholder{font-size:11px}.filter-bar{gap:7px;margin:20px 0}.filter{font-size:11px;padding:8px 11px}.catalogue-toolbar{font-size:12px}.catalogue-page{padding-bottom:55px}.breadcrumb{font-size:10px;gap:8px;padding:19px 0}.breadcrumb>[aria-current]{display:none}.detail-hero{grid-template-columns:1fr;gap:30px;margin-top:5px}.detail-cover-stage{min-height:0;padding:33px 25px 22px}.detail-cover-stage .cover-image{width:48%;max-width:245px}.detail-info h1{font-size:27px}.detail-subtitle{font-size:14px}.detail-author{margin:17px 0}.detail-info .purchase{grid-template-columns:repeat(2,minmax(0,1fr))}.store-button{font-size:11px;padding:13px 11px;gap:6px}.book-facts{grid-template-columns:1fr 1fr;font-size:10px;gap:8px}.book-facts div{gap:7px}.detail-nav{justify-content:flex-start;font-size:12px;gap:25px}.detail-body{grid-template-columns:1fr;padding-top:0}.detail-aside{display:none}.detail-section{padding:35px 0}.detail-section h2{font-size:24px}.prose{font-size:14px}.detail-section h3{font-size:17px}.learning-list li,.audience-list li{font-size:13px}.toc summary{font-size:13px;gap:10px}.toc ol{font-size:12px;padding-left:23px}.toc-tools{font-size:10px}.empty-preview{padding:24px}.empty-preview h3{font-size:20px}.empty-preview p{font-size:12px}.mobile-purchase{display:flex;position:fixed;bottom:0;left:0;right:0;background:var(--paper);border-top:1px solid var(--line);padding:11px 20px;z-index:25;align-items:center;justify-content:space-between;box-shadow:0 -3px 20px #00000008}.mobile-purchase>span{font-size:17px;font-weight:700}.mobile-purchase small{display:block;font-size:10px;color:var(--muted);font-weight:400}.mobile-purchase .button{padding:11px 20px;font-size:13px;min-height:45px}body:has(.mobile-purchase) .footer{padding-bottom:105px}.about-intro{grid-template-columns:1fr;gap:25px;padding:45px 0}.about-intro h1{font-size:39px}.about-banner{padding:30px;flex-direction:column;align-items:start;gap:20px}.about-banner h2{font-size:30px}.philosophy-grid{grid-template-columns:1fr;gap:28px}.contact-section{grid-template-columns:1fr;padding:28px;gap:25px;margin-bottom:45px}.contact-section h2{font-size:26px}.contact-section ol{font-size:13px}.article-heading{padding-top:20px}.article-heading h1{font-size:31px}.article-heading>p{font-size:14px}.article-section h2{font-size:22px}.article-section p{font-size:14px}.consent{flex-wrap:wrap;bottom:85px}.consent p{flex-basis:100%}}
@media(max-width:420px){.container{padding:0 20px}.book-art{height:225px}.book-card h3{font-size:14px}.hero-copy h1{font-size:43px}.hero-stage{height:330px}.hero-cover{width:180px}.stage-caption{font-size:8px;left:20px}.hero-book-info h2{font-size:18px}.category-tile h3{font-size:15px}.book-facts{grid-template-columns:1fr}.detail-info .purchase{grid-template-columns:1fr}.toc summary{font-size:12px}.section-heading h2{font-size:24px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

.cover-image img { height: auto; }
.cover-image:has(.cover-unavailable) { aspect-ratio: 600 / 850; }
.cover-unavailable { min-height: 100%; }
[hidden] { display: none !important; }

.edition-options{margin-top:28px;padding-top:22px;border-top:1px solid var(--line)}
.edition-options h3{margin-bottom:16px}.edition-options p{margin-bottom:12px}.edition-options small{display:block;color:var(--muted);font-size:12px;padding-top:5px}.source-info{margin-top:24px;color:var(--muted);font-size:12px}.source-info summary{cursor:pointer}.source-info a{overflow-wrap:anywhere;text-decoration:underline}.source-info li{margin:8px 0}.static-book-list{padding-left:20px}.static-book-list li{margin:12px 0}.static-book-list a{text-decoration:underline}