/* Content is the visual: real exercises, readable type and purposeful semantic color. */
.catalog-routes{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:0 0 24px}.catalog-routes button{min-height:112px;border:1px solid var(--ps-line);border-radius:20px;background:var(--ps-paper);text-align:left;padding:19px 24px;display:grid;gap:4px;position:relative;color:var(--ps-ink)}.catalog-routes b{font-size:25px;letter-spacing:-.8px}.catalog-routes span{font-size:13px;color:var(--ps-sub)}.catalog-routes small{font-size:10px;color:var(--ps-sub)}.catalog-routes button[aria-pressed=true]{border-color:var(--ps-blue);background:var(--ps-blue-soft);box-shadow:inset 0 0 0 1px var(--ps-blue)}.catalog-routes button[aria-pressed=true]:after{content:'✓';position:absolute;right:20px;top:20px;color:var(--ps-blue-ink)}
.content-workbench{border:1px solid var(--ps-line);border-radius:26px;background:var(--ps-paper);overflow:clip}.content-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-bottom:1px solid var(--ps-line);background:var(--ps-bg);padding:10px;gap:6px}.content-tabs button{display:flex;gap:10px;align-items:center;text-align:left;border:1px solid transparent;border-radius:15px;background:transparent;padding:12px;color:var(--ps-sub);min-height:74px}.content-tabs img{width:36px;height:36px;object-fit:contain;flex-shrink:0}.content-tabs span{font-size:14px;font-weight:700}.content-tabs small{display:block;font-size:10px;font-weight:400;margin-top:4px}.content-tabs [aria-selected=true]{color:var(--ps-ink);background:var(--ps-paper);border-color:var(--ps-line);box-shadow:0 4px 12px #22222206}#content-panel{padding:32px 40px;min-height:480px;position:relative;--sample-tone:var(--ps-brand);--sample-soft:var(--ps-brand-soft);--sample-ink:var(--ps-brand-ink)}#content-panel[data-area=reading]{--sample-tone:var(--ps-amber);--sample-soft:var(--ps-amber-soft);--sample-ink:var(--ps-amber-ink)}#content-panel[data-area=game]{--sample-tone:var(--ps-green);--sample-soft:var(--ps-green-soft);--sample-ink:var(--ps-green-ink)}.sample-caption{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:10px;font-weight:650;letter-spacing:.8px;color:var(--ps-sub);margin-bottom:20px}.sample-caption>span:first-child{color:var(--sample-ink,var(--ps-gold-ink))}#content-panel h3{font-size:32px;letter-spacing:-1.1px;margin-bottom:22px}#content-panel h4{font-size:18px;font-weight:650;line-height:1.5;margin:24px 0 18px}.sample-prompt{padding:24px;border:1px solid color-mix(in srgb,var(--sample-tone) 30%,var(--ps-line));border-radius:16px;background:var(--sample-soft);font-size:28px;font-weight:650;letter-spacing:-.6px}.sample-options{display:grid;gap:8px}.sample-options button{border:1px solid var(--ps-line);border-radius:13px;background:var(--ps-paper);color:var(--ps-ink);display:flex;align-items:center;gap:12px;padding:12px 14px;text-align:left;min-height:48px;line-height:1.55}.sample-options button>span{display:grid;place-items:center;border:1px solid var(--ps-line);border-radius:8px;width:28px;height:28px;flex-shrink:0;font-size:11px;font-weight:700;color:var(--ps-sub)}.sample-options b{font-size:14px;font-weight:500}.sample-options button small{margin-left:auto;flex-shrink:0;font-size:10px;color:var(--ps-green-ink)}.sample-options button:hover{border-color:var(--sample-tone,var(--ps-gold))}.sample-options .answer-correct{background:var(--ps-green-soft);border-color:var(--ps-green)}.sample-options .answer-wrong{background:var(--ps-coral-soft);border-color:var(--ps-coral)}.sample-feedback{margin:18px 0 16px;padding:16px 20px;border-left:3px solid var(--sample-tone,var(--ps-gold));background:var(--ps-bg);font-size:13px;line-height:1.8;min-height:63px}.sample-feedback p{margin:0}.sample-feedback b{display:block;font-size:14px;color:var(--ps-ink)}.sample-feedback p+p{margin-top:8px}.showcase-note{text-align:center;color:var(--ps-sub);font-size:11px;margin:20px 0 0}.reading-excerpt{padding:22px 25px;background:var(--ps-amber-soft);border:1px solid color-mix(in srgb,var(--ps-amber) 25%,var(--ps-line));border-radius:16px;font-size:16px;line-height:1.95}.reading-evidence{background:color-mix(in srgb,var(--ps-gold) 32%,transparent);border-bottom:2px solid var(--ps-amber);border-radius:3px}.sample-glossary{margin-top:12px;border:0}.sample-glossary summary{font-size:12px;min-height:44px;max-width:230px;color:var(--ps-amber-ink)}.sample-glossary>div{padding:12px 18px;background:var(--ps-bg);border-radius:12px}.sample-glossary p{margin:0;font-size:13px;line-height:1.9}.source-caption{font-size:10px;color:var(--ps-sub);line-height:1.8}.source-caption a{text-decoration:underline;text-underline-offset:3px}.match-columns{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin:28px 0}.match-columns>div{display:grid;gap:12px}.match-columns button{padding:18px;min-height:70px;background:var(--ps-bg);border:1px solid var(--ps-line);border-radius:14px;font-size:17px;color:var(--ps-ink);font-weight:650}.match-columns [aria-pressed=true]{border-color:var(--ps-blue);background:var(--ps-blue-soft);box-shadow:inset 0 0 0 1px var(--ps-blue)}.match-columns button:disabled{opacity:1;border-color:var(--ps-green);background:var(--ps-green-soft);color:var(--ps-green-ink)}.match-columns .match-error{border-color:var(--ps-coral);background:var(--ps-coral-soft)}.sample-game>.text-link{margin-left:24px}
.sample-feed{display:grid;grid-template-columns:1fr 260px;gap:45px;align-items:center;max-width:780px;margin:auto}.feed-copy>p{font-size:14px;color:var(--ps-sub);line-height:1.8}.feed-copy .quiet{font-size:12px}.feed-controls{display:flex;gap:10px;margin:24px 0}.feed-controls button:disabled{opacity:.4;cursor:default}.feed-phone{border:7px solid #292a30;border-radius:27px;overflow:hidden;background:var(--ps-paper);box-shadow:0 20px 40px #1c1c2220}.feed-media{aspect-ratio:480/854;position:relative;overflow:hidden;background:var(--ps-blue-soft)}.feed-media img,.feed-media video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.feed-word{padding:16px}.feed-word>b{font-size:25px;display:block;letter-spacing:-.7px}.feed-word>span{display:block;font-size:12px;color:var(--ps-sub);margin:0 0 12px}.feed-word>.outline-button{font-size:11px;width:100%;justify-content:center}.feed-word p{font-size:11px;color:var(--ps-sub);margin:7px 0 0}
.exam-section{padding:80px 0;background:linear-gradient(165deg,var(--ps-gold-soft),var(--ps-bg) 60%);border-block:1px solid var(--ps-line)}.exam-heading{display:grid;grid-template-columns:1.2fr 1fr;gap:80px;align-items:center}.exam-heading em{font-style:normal;color:var(--ps-gold-ink)}.exam-heading .section-copy{max-width:470px}.exam-inventory{position:relative;text-align:center;isolation:isolate;padding:28px 20px 16px}.exam-inventory>img{position:absolute;width:160px;height:130px;object-fit:contain;right:-20px;top:-38px;transform:rotate(9deg);z-index:-1}.exam-inventory>div{border:1px solid color-mix(in srgb,var(--ps-gold) 35%,var(--ps-line));background:color-mix(in srgb,var(--ps-paper) 88%,transparent);border-radius:26px;padding:28px 20px;box-shadow:0 20px 55px #49371d09}.inventory-kicker{display:block;font-size:10px;letter-spacing:2px;color:var(--ps-gold-ink);font-weight:750}.exam-inventory strong{font-size:clamp(72px,8vw,112px);font-weight:750;letter-spacing:-7px;line-height:1.3;display:block;color:var(--ps-ink);font-variant-numeric:tabular-nums}.exam-inventory>div>span:last-child{font-size:12px;color:var(--ps-sub)}.exam-inventory>a{font-size:11px;color:var(--ps-gold-ink);display:inline-flex;align-items:center;min-height:44px;margin-top:8px}.exam-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;padding:28px 0;margin:32px 0 45px;border-block:1px solid var(--ps-line)}.exam-stats>div{border-right:1px solid var(--ps-line);padding:0 20px 0 0}.exam-stats>div:last-child{border:0}.exam-stats b{display:block;font-size:34px;letter-spacing:-1px;line-height:1.3;font-variant-numeric:tabular-nums}.exam-stats small{font-size:20px;color:var(--ps-gold-ink)}.exam-stats span{font-size:12px;color:var(--ps-sub)}.exam-demo{display:grid;grid-template-columns:260px 1fr;gap:45px;align-items:start;background:var(--ps-paper);border:1px solid var(--ps-line);border-radius:26px;padding:35px}.exam-demo-intro h3{font-size:29px;letter-spacing:-1px;line-height:1.15}.exam-demo-intro>p:not(.eyebrow){font-size:13px;color:var(--ps-sub);line-height:1.8}.exam-demo-intro>.quiet{font-size:10px!important}.exam-picker{display:grid;gap:8px;margin:25px 0}.exam-picker button{display:flex;align-items:center;gap:10px;min-height:44px;padding:9px 12px;border:1px solid var(--ps-line);border-radius:11px;background:var(--ps-bg);text-align:left;font-size:12px;color:var(--ps-sub)}.exam-picker button:before{content:'○';color:var(--ps-gold-ink)}.exam-picker [aria-pressed=true]{background:var(--ps-gold-soft);border-color:var(--ps-gold);color:var(--ps-ink)}.exam-picker [aria-pressed=true]:before{content:'●'}.sample-exam{--sample-tone:var(--ps-gold);--sample-soft:var(--ps-gold-soft);--sample-ink:var(--ps-gold-ink);min-width:0;position:relative}.exam-instruction{font-size:11px;color:var(--ps-sub);margin-bottom:16px}.exam-stem{font-size:18px;line-height:1.75;font-weight:550;margin:0 0 22px}.sample-exam .sample-options b{font-size:12px}.all-explanations summary{font-size:12px;min-height:52px}.all-explanations ol{padding:0 0 0 22px;font-size:12px;color:var(--ps-sub)}.all-explanations li{padding:8px 0}.all-explanations li>b{color:var(--ps-ink)}.all-explanations p{margin:5px 0 0;line-height:1.8}.sample-exam>.outline-button{margin-top:14px}.exam-scope{margin:18px 0 55px;padding:0 20px;border:1px solid var(--ps-line);border-radius:16px}.exam-scope summary{justify-content:flex-start;gap:12px;font-size:13px;min-height:62px}.exam-scope summary>span{font-weight:400;font-size:11px;color:var(--ps-sub);margin-left:auto}.exam-scope>div{padding-bottom:20px}.exam-scope p{font-size:12px;color:var(--ps-sub);line-height:1.9}.exam-bank-list{list-style:none;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 26px}.exam-bank-list li{display:flex;justify-content:space-between;border-bottom:1px solid var(--ps-line);padding:10px 0;font-size:12px}.exam-bank-list b{color:var(--ps-gold-ink)}
.book-comparison{display:grid;grid-template-columns:.85fr 1.2fr;gap:65px;align-items:center;padding-top:15px}.book-comparison h3{font-size:34px;letter-spacing:-1.2px;line-height:1.12;margin-bottom:20px}.book-comparison>div>p:not(.eyebrow){font-size:14px;color:var(--ps-sub);line-height:1.9}.book-visual{background:var(--ps-paper);border:1px solid var(--ps-line);border-radius:24px;padding:30px 25px 25px;text-align:center;overflow:hidden}.sample-label{font-size:9px;letter-spacing:2px;color:var(--ps-sub);font-weight:700}.book-spines{height:190px;display:flex;align-items:flex-end;justify-content:center;gap:6px;margin:25px 0 20px;border-bottom:7px solid var(--ps-line);padding:0 8px}.book-spines i{writing-mode:vertical-rl;font-style:normal;font-size:10px;font-weight:650;letter-spacing:1px;height:158px;width:38px;display:flex;align-items:center;justify-content:center;border-radius:5px 5px 0 0;background:var(--ps-brand-soft);color:var(--ps-brand-ink);border:1px solid color-mix(in srgb,currentColor 20%,transparent);box-shadow:inset 4px 0 0 #ffffff17}.book-spines i:nth-child(2){height:174px}.book-spines i:nth-child(3){height:163px;background:var(--ps-gold-soft);color:var(--ps-gold-ink)}.book-spines i:nth-child(4){height:140px;background:var(--ps-blue-soft);color:var(--ps-blue-ink)}.book-spines i:nth-child(5){height:155px;background:var(--ps-amber-soft);color:var(--ps-amber-ink)}.book-spines i:nth-child(6){height:125px;background:var(--ps-green-soft);color:var(--ps-green-ink);transform:rotate(5deg);transform-origin:bottom}.book-visual>b{font-size:54px;letter-spacing:-2px;display:block;line-height:1.3}.book-visual b small{font-size:20px;color:var(--ps-sub)}.book-visual>span:last-child{font-size:11px;color:var(--ps-sub)}.book-comparison .comparison-clarity{font-size:11px!important;border-left:2px solid var(--ps-teal);padding-left:13px}.basket-detail{margin-bottom:20px}.basket-detail summary{font-size:12px;min-height:48px}.basket-detail p{font-size:11px;line-height:1.8;color:var(--ps-sub)}.basket-detail ul{list-style:none;padding:0}.basket-detail li{display:flex;gap:20px;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--ps-line);font-size:11px}.basket-detail a{text-decoration:underline;text-underline-offset:3px}.basket-detail li b{flex-shrink:0}.book-comparison .button{font-size:13px}
@media(max-width:960px){.content-tabs button{gap:6px;padding:10px}.content-tabs img{width:29px;height:29px}.content-tabs small{display:none}.exam-heading{gap:35px}.exam-demo{grid-template-columns:210px 1fr;gap:25px;padding:26px}.book-comparison{gap:35px}.exam-stats{gap:15px}.exam-stats b{font-size:28px}.sample-options button small{font-size:9px}}
@media(max-width:760px){.catalog-routes{gap:10px;margin-bottom:18px}.catalog-routes button{padding:17px 14px;min-height:142px}.catalog-routes b{font-size:24px}.catalog-routes span{font-size:11px;line-height:1.7;max-width:140px}.catalog-routes small{font-size:9px}.catalog-routes button[aria-pressed=true]:after{right:13px;top:17px}.content-workbench{border-radius:20px}.content-tabs{grid-template-columns:1fr 1fr;padding:7px;gap:4px}.content-tabs button{min-height:58px;padding:8px 9px;font-size:12px}.content-tabs span{font-size:12px}.content-tabs small{display:block;font-size:8px}.content-tabs img{width:28px;height:28px}#content-panel{padding:23px 18px;min-height:480px}#content-panel h3{font-size:25px;margin-bottom:19px}.sample-caption{font-size:8px;letter-spacing:.4px;gap:7px;margin-bottom:17px}.sample-prompt{font-size:24px;padding:19px 16px}.sample-options button{padding:11px 10px;gap:9px;flex-wrap:wrap}.sample-options button b{font-size:12px;flex:1;min-width:0}.sample-options button>span{width:25px;height:25px;font-size:10px}.sample-options button small{width:100%;padding-left:34px;margin-top:-5px}.sample-feedback{font-size:12px;padding:13px 14px}.sample-feedback b{font-size:13px}.showcase-note{font-size:10px;line-height:1.8}.reading-excerpt{font-size:14px;padding:17px 16px;line-height:1.9}#content-panel h4{font-size:16px}.match-columns{gap:10px;margin:23px 0}.match-columns>div{gap:9px}.match-columns button{font-size:13px;padding:13px 9px;min-height:74px}.sample-game>p{font-size:13px}.sample-game>.text-link{margin-left:10px;font-size:11px}.sample-game>.outline-button{font-size:11px}.sample-feed{grid-template-columns:1fr;gap:25px}.feed-copy h3{margin-bottom:15px!important}.feed-copy>p{font-size:13px}.feed-controls{margin:18px 0}.feed-phone{width:240px;max-width:100%;margin:auto}.feed-copy .source-caption{font-size:10px}.exam-section{padding:60px 0}.exam-heading{grid-template-columns:1fr;gap:24px}.exam-heading h2{font-size:38px}.exam-inventory{max-width:370px;width:100%;margin:0 auto;padding:20px 10px 0}.exam-inventory>img{width:120px;height:100px;right:0;top:-22px}.exam-inventory>div{padding:20px 12px;border-radius:22px}.exam-inventory strong{font-size:87px;letter-spacing:-5px}.exam-stats{grid-template-columns:1fr 1fr;gap:0;margin:22px 0 28px;padding:0;border-bottom:0}.exam-stats>div{padding:20px 10px;border-bottom:1px solid var(--ps-line)}.exam-stats>div:nth-child(even){border-right:0}.exam-stats>div:last-child{border-bottom:1px solid var(--ps-line)}.exam-stats b{font-size:28px}.exam-stats span{font-size:10px}.exam-stats small{font-size:18px}.exam-demo{grid-template-columns:1fr;padding:24px 18px;gap:20px;border-radius:21px}.exam-demo-intro h3{font-size:28px;margin-bottom:12px}.exam-demo-intro h3 br{display:none}.exam-demo-intro .eyebrow{margin-bottom:14px}.exam-demo-intro>p{font-size:12px!important;margin-bottom:15px}.exam-picker{display:flex;flex-wrap:wrap;gap:7px;margin:16px 0}.exam-picker button{font-size:10px;padding:9px}.exam-demo-intro>.quiet{margin-bottom:0}.exam-stem{font-size:16px;line-height:1.8}.exam-instruction{font-size:10px}.sample-exam .sample-options b{font-size:11px}.exam-scope{padding:0 15px;margin:15px 0 40px}.exam-scope summary{font-size:11px;gap:9px;min-height:64px}.exam-scope summary>span{display:none}.exam-bank-list{grid-template-columns:1fr 1fr;gap:0 18px}.exam-bank-list li{font-size:10px;gap:6px}.exam-scope p{font-size:11px}.book-comparison{grid-template-columns:1fr;gap:28px;padding:0}.book-comparison h3{font-size:31px}.book-visual{max-width:360px;width:100%;margin:auto;padding:24px 16px}.book-spines{height:165px;margin-top:15px}.book-spines i{height:135px;width:33px;font-size:8px}.book-spines i:nth-child(2){height:148px}.book-spines i:nth-child(3){height:139px}.book-spines i:nth-child(4){height:119px}.book-spines i:nth-child(5){height:132px}.book-spines i:nth-child(6){height:106px}.book-comparison>div>p:not(.eyebrow){font-size:13px}.basket-detail li{gap:10px;font-size:10px}.basket-detail summary{font-size:11px}}
@media(forced-colors:active){.catalog-routes [aria-pressed=true],.content-tabs [aria-selected=true],.sample-options .answer-correct,.match-columns [aria-pressed=true],.match-columns button:disabled{outline:2px solid Highlight}.reading-evidence{border-bottom:2px solid Highlight}}