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@media(max-width:1100px){.site-header nav>a{padding:20px 14px;font-size:9px}.site-header nav>.shop-link{padding-inline:20px}.index-row{grid-template-columns:85px 1.2fr 1fr 110px;gap:20px}.index-row h2{font-size:48px}.index-row p{font-size:11px}.index-count{font-size:8px}.resource-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.catalog-filters{grid-template-columns:1.4fr .8fr 1fr 1fr auto;gap:9px}.catalog-filters input,.catalog-filters select{font-size:10px}.shelf-stamp{width:78px;height:78px;right:10px;top:53px}.hero-overline span:last-child{display:none}.book-feature-grid{gap:18px}.book-feature>div{padding:12px}.book-feature>span{font-size:13px}.free-row{gap:16px}.free-row h3{font-size:26px}.free-row img{width:85px}}
@media(max-width:760px){body{font-size:13px}.site-header{min-height:80px;position:relative}.brand{padding:14px 5vw;gap:10px}.brand-word{font-size:8px}.brand-symbol{font-size:34px}.menu-toggle{display:flex;gap:15px;align-items:center;padding:0 6vw;font-size:10px;font-weight:600;background:var(--soft);border-left:2px solid var(--rule)}.menu-toggle span{font-size:24px}.site-header nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--paper);z-index:20;border-bottom:2px solid var(--rule)}.site-header nav.open{display:flex;flex-direction:column}.site-header nav>a{padding:19px 5vw;border-top:1px solid var(--line);border-left:0;font-size:11px}.home-hero{grid-template-columns:1fr}.hero-title{padding:23px 5vw 32px;border-right:0;border-bottom:2px solid var(--rule)}.hero-title h1{font-size:clamp(92px,17vw,135px);margin:40px 0 26px}.hero-overline{font-size:8px}.hero-bottom p{font-size:12px}.round-link{width:53px;height:53px;font-size:26px}.hero-shelf{padding:22px 5vw 18px;min-height:360px}.hero-cover{width:220px;margin:25px auto 16px}.shelf-stamp{right:calc(50% - 156px);top:42px}.shelf-bottom{font-size:8px}.shelf-bottom strong{font-size:12px}.catalog-start{padding:32px 5vw 24px;grid-template-columns:1fr;gap:23px}.find-title h2{font-size:39px}.find-foot{grid-column:auto;padding:0;font-size:8px}.home-search input{font-size:12px}.index-row{padding:25px 5vw;grid-template-columns:1fr auto;gap:16px;min-height:0}.index-no{grid-column:1/-1;font-size:8px;padding:0}.index-row h2{font-size:47px}.index-row p{grid-column:1;grid-row:3;font-size:11px}.index-count{grid-column:2;grid-row:2;font-size:8px;max-width:80px}.index-extras{grid-template-columns:1fr}.index-extras>a{font-size:10px;padding:22px 5vw}.index-extras>a+ a{border-left:0;border-top:1px solid var(--ink)}.section{padding:44px 5vw}.section-head{display:block;margin-bottom:24px}.section-head h2{font-size:43px}.underlink{display:inline-block;margin-top:18px;font-size:9px}.book-feature-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 16px}.book-feature>small{font-size:9px}.book-feature>span{font-size:12px;line-height:1.4;margin-top:10px}.free-band{grid-template-columns:1fr}.free-big{padding:32px 5vw;border-right:0;border-bottom:2px solid var(--rule)}.free-big h2{font-size:110px;margin:26px 0}.free-picks{padding:6px 5vw}.free-row{padding:20px 0}.free-row img{width:80px}.free-row h3{font-size:28px}.free-row span{font-size:8px}.guide-row{grid-template-columns:40px 1fr 20px;gap:16px;padding:23px 0}.guide-number{font-size:40px;align-self:start}.guide-row h3,.guide-row h2{font-size:27px}.guide-row p{font-size:11px}.guide-row>b{font-size:25px}.kicker{font-size:9px}.site-footer{padding:35px 5vw 20px}.footer-top{grid-template-columns:1fr 1fr;gap:35px 20px}.footer-top>div:first-child{grid-column:1/-1;display:flex;justify-content:space-between;gap:20px}.footer-top>div>p{margin:0;font-size:30px}.footer-links{font-size:10px;gap:12px}.footer-bottom{display:block;font-size:8px}.footer-bottom span{display:block;margin-top:8px}.catalog-heading{grid-template-columns:1fr;padding:28px 5vw 35px;gap:25px}.catalog-heading h1{font-size:clamp(61px,12.5vw,92px);margin-top:14px;overflow-wrap:anywhere}.catalog-heading>p{font-size:12px;max-width:100%}.breadcrumb{margin-bottom:26px}.subjectbar{padding:0 5vw;gap:0}.subjectbar a{padding:13px 10px 11px;font-size:9px;border-bottom-width:3px}.subjectbar a:first-child{padding-left:0}.subjectbar span{font-size:7px}.book-chooser{margin:20px 5vw 0}.book-chooser summary{font-size:10px;padding:15px}.book-chooser summary span{font-size:8px}.book-links{grid-template-columns:1fr;padding:8px 15px}.book-links a{font-size:11px;margin:0;padding:12px 0}.catalog-section{padding:25px 5vw 40px}.catalog-filters{grid-template-columns:1fr 1fr;gap:15px 12px;padding-bottom:20px}.catalog-search{grid-column:1/-1}.catalog-filters input,.catalog-filters select{font-size:11px}.catalog-filters .reset{padding:0;text-align:left;width:fit-content;height:30px}.catalog-status{font-size:10px;padding:18px 0;display:block}.catalog-status>span{display:block;font-size:7px;margin-top:6px}.resource-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 14px}.cover-wrap>a{padding:10px}.resource-label{font-size:6px;padding:4px 6px}.quick-look{font-size:6px;padding:4px 7px;gap:12px}.quick-look span{font-size:13px}.card-meta{display:block;font-size:7px;margin:10px 0 7px}.card-meta>span{display:block}.card-meta>span:last-child{text-align:left;margin-top:3px}.resource-card h3{font-size:11px;line-height:1.45;margin-bottom:12px}.card-cta{font-size:7px;padding-top:8px}.planning-note{margin:0 5vw 40px;display:block;padding:20px}.planning-note p{font-size:11px;margin-top:12px}.pagination{gap:6px;margin-top:32px}.pagination a{min-width:33px;height:33px;font-size:10px}.article-header{padding:30px 5vw}.article-header h1{font-size:55px}.article-header>p{font-size:14px}.article-byline{font-size:7px;align-items:start}.article-layout{grid-template-columns:1fr;padding:0 5vw 50px;gap:30px}.article-toc{position:static;display:none}.article-body h2{font-size:33px}.article-body p{font-size:13px}.article-body p.lead{font-size:16px}.article-body li{font-size:13px}.about-section{padding:40px 5vw;grid-template-columns:1fr;gap:40px}.about-section h2{font-size:43px}.dialog-layout{grid-template-columns:1fr;gap:20px}.dialog-layout>img{max-width:250px;margin:auto}.dialog-layout h2{font-size:30px}dialog{padding:40px 20px 24px}.dialog-layout p{font-size:11px}.dialog-layout .kicker{font-size:8px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media print{.site-header,.site-footer,.article-toc,.article-resource,.article-byline button{display:none}.article-layout,.article-header{max-width:none;display:block;padding:0}.article-body{font-size:11pt}.article-body h2{break-after:avoid}.article-header h1{font-size:35pt}.teacher-callout{border:1px solid}.article-body a{color:inherit}}

img{height:auto}.cover-wrap img{height:100%}.ext-arrow{display:inline-block;width:1em;height:1em;vertical-align:-.12em;flex:none}.shelf-bottom>a .ext-arrow{width:42px;height:42px}.home-search button .ext-arrow{width:28px;height:28px}.guide-row>b .ext-arrow{width:28px;height:28px}.index-count .ext-arrow{margin-left:5px}.hero-title{min-height:520px}
@media(max-width:760px){.hero-title{min-height:0}.hero-cover img{height:auto}}
@media(max-width:760px){.hero-title h1{font-size:clamp(72px,20vw,125px)}.catalog-heading.free h1{font-size:clamp(52px,14vw,80px)}}
/* Calm editorial palette: navy, muted teal, ivory, sage, and clay. */
.index-row.blue{background:var(--mist);color:var(--ink)}.site-header{background:var(--paper)}.resource-label.is-free{background:var(--clay)}.hero-title h1>span{color:var(--accent)}.round-link{border-color:var(--accent)}.site-footer{background:var(--navy)}.hero-shelf :focus-visible,.blue :focus-visible,.site-footer :focus-visible,.catalog-heading.literature :focus-visible{outline-color:var(--clay)}