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.15s}.btn:hover{background:#3b4236}.btn.secondary{background:#fff;color:var(--ink);border-color:#d7dcd0}.btn.secondary:hover{background:#f0f3e9}.btn.link{color:var(--ink);background:transparent;min-height:44px}.card-button,.exam-card:last-child .card-button{background:var(--ink);color:#fff;justify-content:space-between;font-size:12px;min-height:44px;padding:12px 17px}.home-note{text-align:center;font-size:11px;padding:20px 0 0}.site-footer{max-width:1200px;margin-top:48px;padding:23px 0;border-color:#e9ece4;font-size:10px}.entry,.receipt{max-width:700px;margin-top:43px}.entry h1,.receipt h1{font-size:45px;line-height:1.08;margin:21px 0 16px}.entry>.eyebrow{margin-top:24px}.entry>.link{font-size:12px}.entry>p{font-size:14px;color:var(--muted)}.panel{border-radius:24px;padding:30px;box-shadow:0 12px 35px #20221f04;background:#fff}.field input,.text-answer{border-color:#cdd4c6;border-radius:12px;min-height:49px;background:#fbfcf8;font-size:16px}.field{gap:9px}.consent input,.option input{accent-color:#303b28}.privacy{line-height:1.7}.instructions{font-size:13px;line-height:1.85;margin:20px 0}.banner{border-radius:14px}.entry>.banner,.home>.banner{margin:20px 0}.test-shell{padding-top:34px}.test-top h1{font-size:30px;line-height:1.15;max-width:760px}.test-top .eyebrow{margin-bottom:10px}.test-tools{gap:22px}.timer{font-size:20px;color:#353d2e}.timer small{font-size:9px;margin-bottom:5px}.test-instructions{margin-top:20px;padding:14px 18px;border:1px solid var(--line);border-radius:14px;background:#fff}.test-instructions>summary{font-size:12px;font-weight:700;cursor:pointer}.test-instructions .group-instructions{margin-bottom:0}.progress-line{margin:24px 0}progress{height:6px}progress::-webkit-progress-value{background:#859e65}progress::-moz-progress-bar{background:#859e65}.test-layout{gap:26px;grid-template-columns:190px minmax(0,1fr)}.navigator h2{font-size:10px;letter-spacing:1px}.section-nav{border-radius:10px;line-height:1.45;padding:12px}.section-nav.active{background:#eaf0dd;color:#27331f}.q-jump{border-radius:8px;height:34px;font-size:11px}.q-jump.answered{background:var(--ink);border-color:var(--ink)}.q-jump.flagged:after{background:#ee7e3e;width:7px;height:7px;box-shadow:0 0 0 1px #fff}.section-title{font-size:28px;line-height:1.2}.group h3{font-family:Arial,Helvetica,sans-serif;font-size:21px;font-weight:700;letter-spacing:-.6px}.group-instructions{color:#62695d}.question{border-radius:18px;padding:23px;background:#fff}.question legend{font-size:15px}.q-number{background:#edf1e3;border-radius:6px;padding:3px 8px}.options{gap:9px}.option{border-radius:11px;border-color:#e3e7dd;padding:12px;font-size:14px}.option:hover{background:#f8f9f4}.option:has(input:checked){background:#edf3df;border-color:#879b68}.flag-btn{font-size:11px;min-height:34px;margin-top:8px}.flag-btn[aria-pressed=true]{color:#99450d}.passage-pane{background:#f5f6ef;border-radius:18px;border-color:#e1e6d8}.passage-pane>summary{background:#f5f6ef}.stimulus{color:#30362c;font-size:17px;line-height:1.8}.stimulus p{line-height:1.8}.score{font-family:Arial,Helvetica,sans-serif;font-weight:700;font-size:84px;letter-spacing:-5px}.score small{font-weight:400;font-size:29px}.receipt .panel{background:#edf3de;border:0}.receipt .result-row{border-color:#d8e0cd}.receipt-id{line-height:1.6}.score-label{line-height:1.6}.receipt>.note{padding-top:0;margin-bottom:7px}dialog{background:#fff;border:0;border-radius:24px;padding:30px}dialog::backdrop{background:#1b221c66;backdrop-filter:blur(5px)}dialog h2{font-size:29px}.screen-error h1{font-size:38px}.screen-error .btn{margin-top:24px}.bottom-nav .btn{white-space:normal}.test-shell .note{font-size:12px}
@media(min-width:1600px){.hero{min-height:470px;padding-top:80px;padding-bottom:80px}}
@media(max-width:1260px){.site-header{margin-left:20px;margin-right:20px}.site-footer{margin-left:24px;margin-right:24px}}
@media(max-width:1000px){.hero{padding-left:100px;padding-right:100px}.deco-book{width:76px;height:100px;left:1%;font-size:32px}.deco-note{right:0;padding:14px;font-size:9px}.deco-note strong{font-size:14px}.deco-spark{font-size:67px;right:4%}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.exam-card{min-height:242px}.card-top{margin-bottom:18px}.test-layout{grid-template-columns:155px minmax(0,1fr);gap:18px}}
@media(max-width:780px){.hero{min-height:390px;padding:55px 45px}.hero h1{font-size:56px}.deco-book{left:1%;top:55px;width:48px;height:64px;font-size:22px;border-width:1px}.deco-book:before{left:6px;width:1px}.deco-book i{width:8px;height:13px;right:9px}.deco-spark{right:0;top:45px;font-size:45px}.deco-note{display:none}.hero-copy{font-size:14px}.test-layout{display:block}.navigator{display:block;position:static;max-height:none;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:25px}.navigator .btn{display:inline-flex}.navigator .full-width{width:auto;min-height:40px;font-size:11px;padding:9px 14px}.navigator>.link{float:right;font-size:11px}.navigator .save-status{display:inline-block;max-width:50%;margin-left:12px;vertical-align:middle}.palette{max-width:none;grid-template-columns:repeat(10,minmax(0,1fr))}.section-links{max-width:100%;overscroll-behavior-x:contain}.test-shell{padding:28px 20px}.test-top h1{font-size:25px}.reading-layout{grid-template-columns:1fr}.passage-pane{position:static;max-height:55vh;margin-bottom:10px}.test-tools{gap:12px}.section-title{font-size:26px}}
@media(max-width:580px){.site-header{margin:14px 14px 0;padding:12px 16px;min-height:59px}.brand{font-size:21px;letter-spacing:-1px;gap:8px}.brand-mark{width:31px;height:31px;font-size:26px}.header-note{display:none}.home{padding:0 18px}.hero{display:flex;min-height:345px;padding:48px 0 40px}.hero h1{font-size:clamp(36px,8.7vw,49px);margin:20px 0 18px;letter-spacing:-.065em}.hero .eyebrow{font-size:8px;letter-spacing:1.4px}.hero-copy{font-size:12px}.hero-cta{margin-top:23px;font-size:12px}.hero-cta>span:first-child{padding:15px 20px;min-height:46px}.cta-arrow{width:46px;height:46px;font-size:24px}.deco-book{top:17px;left:8px;width:29px;height:38px;font-size:14px;border-radius:4px 6px 6px 4px;box-shadow:3px 4px 0 #fff9,4px 5px 0 #273b3320}.deco-book:before{left:4px}.deco-book i{display:none}.deco-spark{font-size:29px;right:12px;top:24px}.section-heading{display:flex;align-items:center;margin-bottom:17px}.section-heading h2{font-size:23px;max-width:250px;line-height:1.15}.section-caption{display:none}.cards{gap:13px}.exam-card,.exam-card:last-child{padding:20px;min-height:243px;border-radius:20px}.card-icon{width:37px;height:37px;font-size:24px}.exam-card h3{font-size:26px}.exam-card p{font-size:12px}.exam-number{font-size:9px}.card-top{margin-bottom:19px}.exam-meta{font-size:11px;padding:20px 0 17px;gap:0;flex-direction:row}.card-button{font-size:12px;padding:12px 16px}.home-note{font-size:10px;line-height:1.7;max-width:280px;margin:auto;padding-top:18px}.site-footer{margin:35px 18px 0;padding:22px 0;gap:8px}.entry,.receipt{padding:0 18px;margin-top:27px}.entry h1,.receipt h1{font-size:36px;line-height:1.13}.panel{padding:22px;border-radius:20px}.privacy{font-size:11px}.test-shell{padding:26px 15px}.test-top{gap:12px}.test-top h1{font-size:23px}.test-top .eyebrow{font-size:8px;letter-spacing:1.1px}.test-tools{flex-direction:column;align-items:flex-end;gap:9px}.timer{font-size:17px}.test-tools .btn{font-size:10px;padding:9px 10px;min-height:36px}.test-instructions{padding:13px 15px}.navigator .save-status{display:block;max-width:100%;margin:8px 0 0}.navigator>.link{float:none;margin-top:4px;padding-left:0;display:flex}.q-jump{height:32px;font-size:10px}.question{padding:17px;border-radius:15px}.question legend{font-size:14px}.option{font-size:13px}.section-title{font-size:25px}.group h3{font-size:20px}.bottom-nav .btn{font-size:11px;padding:12px 15px}.stimulus{font-size:16px}.dialog-actions{flex-direction:column-reverse}dialog{padding:24px}dialog h2{font-size:27px}.score{font-size:72px}.result-row{font-size:13px;gap:14px}.result-row strong{flex-shrink:0}.receipt .note{font-size:11px}}
@media(max-width:440px){.cards{grid-template-columns:1fr}.exam-card,.exam-card:last-child{min-height:0;padding:22px}.card-top{margin-bottom:12px}.exam-meta{padding-top:17px}.card-button{max-width:none}.hero{min-height:325px}.section-heading h2{font-size:22px;max-width:none}.brand{font-size:20px}.test-top h1{font-size:21px}.timer small{font-size:8px}.test-tools .btn{font-size:9px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}.exam-card:hover,.hero-cta:hover .cta-arrow{transform:none}}
/* Draw the hero arrow with CSS so it is independent of symbol-font coverage. */
.cta-arrow{position:relative;font-size:0}.cta-arrow:before{content:'';width:13px;height:13px;border-top:2px solid currentColor;border-right:2px solid currentColor;transform:translate(1px,-1px)}.cta-arrow:after{content:'';position:absolute;width:19px;height:2px;background:currentColor;transform:rotate(-45deg)}
/* Small diagonal arrows stay crisp without relying on a symbol font. */
.drawn-arrow{display:inline-block;position:relative;width:14px;height:14px;flex-shrink:0}.drawn-arrow:before{content:'';position:absolute;right:1px;top:1px;width:9px;height:9px;border-top:2px solid currentColor;border-right:2px solid currentColor}.drawn-arrow:after{content:'';position:absolute;top:6px;right:0;width:15px;height:2px;background:currentColor;transform:rotate(-45deg)}.brand-mark .drawn-arrow{right:2px;top:2px;width:11px;height:11px}.brand-mark .drawn-arrow:before{width:7px;height:7px}.brand-mark .drawn-arrow:after{top:5px;width:12px}.card-icon .drawn-arrow{transform:scale(1.25)}
/* Selected video shelf: local thumbnails, external YouTube links only. */
.youtube-shelf{margin-top:52px}.youtube-shelf .shelf-heading{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:24px}.youtube-shelf h2{font-size:clamp(30px,3.4vw,43px);line-height:1.05;font-weight:750;letter-spacing:-1.9px}.shelf-link{font-size:12px;font-weight:700;display:inline-flex;align-items:center;gap:13px;white-space:nowrap;padding:10px 0;min-height:44px;text-decoration:none}.video-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.video-card{min-width:0;border-radius:20px;background:#f0f4e5;transition:transform .2s}.video-card:nth-child(2){background:#fbecdf}.video-card:nth-child(3){background:#eae6f3}.video-card:hover{transform:translateY(-5px)}.video-link{display:flex;flex-direction:column;height:100%;border-radius:20px;text-decoration:none}.video-image{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:20px 20px 0 0;background:#e1e4db}.video-image>img{width:100%;height:100%;display:block;object-fit:cover}.video-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:47px;height:47px;display:grid;place-items:center;background:#fffefbf0;border:1px solid #fff;border-radius:50%;box-shadow:0 3px 16px #0002}.video-play:after{content:'';border-left:13px solid var(--ink);border-top:8px solid transparent;border-bottom:8px solid transparent;margin-left:3px}.video-info{position:relative;padding:20px 40px 23px 20px;flex:1}.video-topic{font-size:8px;letter-spacing:1.5px;font-weight:700;color:#68705e}.video-info h3{font-size:15px;line-height:1.55;margin-top:8px;font-weight:700;letter-spacing:-.2px;overflow-wrap:anywhere}.video-info .video-arrow{position:absolute;right:18px;bottom:20px}
@media(max-width:980px){.video-info{padding:16px 28px 18px 16px}.video-info h3{font-size:13px}.video-info .video-arrow{right:13px}}
@media(max-width:620px){.youtube-shelf{margin-top:38px}.youtube-shelf .shelf-heading{align-items:start;gap:15px;margin-bottom:21px}.youtube-shelf h2{font-size:30px;letter-spacing:-1.7px}.shelf-link{font-size:10px;gap:7px;align-self:end}.video-grid{grid-template-columns:1fr;gap:17px}.video-info{padding:19px 42px 21px 20px}.video-info h3{font-size:15px}.video-topic{font-size:9px}.video-info .video-arrow{right:20px}}
@media(max-width:440px){.youtube-shelf .shelf-heading{flex-direction:column;gap:10px}.shelf-link{align-self:start;padding:3px 0}}
@media(prefers-reduced-motion:reduce){.video-card{transition:none}.video-card:hover{transform:none}}

/* Approved scrollable YouTube snapshot shelf. */
.carousel-shell{position:relative;min-width:0}.video-carousel{display:flex;align-items:stretch;gap:18px;overflow-x:auto;overscroll-behavior-x:contain;scroll-snap-type:x mandatory;scroll-padding-left:0;padding:7px 0 17px;scrollbar-width:thin;scrollbar-color:#a8b59a #eaf0e0;cursor:grab;touch-action:pan-x pan-y;outline-offset:6px;border-radius:20px 20px 0 0}.video-carousel::-webkit-scrollbar{height:5px}.video-carousel::-webkit-scrollbar-track{background:#eaf0e0;border-radius:100px}.video-carousel::-webkit-scrollbar-thumb{background:#a8b59a;border-radius:100px}.video-carousel.dragging{scroll-snap-type:none;scroll-behavior:auto;cursor:grabbing;user-select:none}.video-carousel .video-card{flex:0 0 calc((100% - 54px)/3.18);scroll-snap-align:start;border-radius:20px;min-width:0;overflow:hidden;display:flex;flex-direction:column;background:#f0f4e5;transition:transform .2s;text-decoration:none}.video-carousel .video-card:nth-child(3n+2){background:#fbecdf}.video-carousel .video-card:nth-child(3n){background:#eae6f3}.video-carousel .video-card:hover{transform:translateY(-4px)}.video-carousel.dragging .video-card:hover{transform:none}.video-carousel .video-image{aspect-ratio:16/9;width:100%;position:relative;background:#e7eadd;flex:none}.video-carousel .video-image img{display:block;width:100%;height:100%;object-fit:cover;user-select:none;-webkit-user-drag:none;pointer-events:none}.video-carousel .video-card.short .video-image{background:#dfe8e8}.video-carousel .video-card.short .video-image img{object-fit:contain}.video-carousel .video-info{padding:19px 36px 22px 19px;min-height:116px;flex:1}.video-carousel .video-info h3{font-size:15px;line-height:1.55;margin-top:8px;font-weight:700;letter-spacing:-.2px;overflow-wrap:anywhere}.video-carousel .video-topic{font-size:8px;letter-spacing:1.4px;font-weight:700;color:#697161}.video-duration{position:absolute;bottom:9px;right:10px;border-radius:5px;padding:3px 5px;font-size:10px;font-weight:700;line-height:1.2;color:white;background:#20221fda;font-variant-numeric:tabular-nums}.video-carousel .video-arrow{position:absolute;right:18px;bottom:20px}.carousel-controls{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:18px 1px 0}.carousel-controls p{display:flex;gap:9px;align-items:center;color:#7a8271;font-size:10px;line-height:1.5}.scroll-gesture{position:relative;width:20px;height:10px;border-bottom:1px solid #8a967d;display:inline-block}.scroll-gesture:before,.scroll-gesture:after{content:'';position:absolute;bottom:-3px;width:5px;height:5px;border-top:1px solid #8a967d;border-right:1px solid #8a967d}.scroll-gesture:before{left:0;transform:rotate(-135deg)}.scroll-gesture:after{right:0;transform:rotate(45deg)}.mobile-hint{display:none}.hint-dot{color:#a3aa9d}#video-range{font-variant-numeric:tabular-nums;color:#5e6953}.carousel-arrows{display:flex;gap:8px}.carousel-arrows button{width:44px;height:44px;border:0;border-radius:50%;background:#20221f;color:white;display:grid;place-items:center;transition:background .2s,transform .2s}.carousel-arrows button:last-child{background:#ff8a50;color:#20221f}.carousel-arrows button:disabled{background:#edf0e7;color:#b2baaa;cursor:default;opacity:1}.carousel-arrows button:hover:not(:disabled){transform:translateY(-2px)}.horizontal-arrow{position:relative;width:18px;height:12px;display:block}.horizontal-arrow:before{content:'';position:absolute;left:0;right:0;height:1.5px;top:5px;background:currentColor}.horizontal-arrow:after{content:'';position:absolute;right:0;top:1px;width:8px;height:8px;border-top:1.5px solid currentColor;border-right:1.5px solid currentColor;transform:rotate(45deg)}.horizontal-arrow.left{transform:rotate(180deg)}
.youtube-shelf{min-width:0;container-type:inline-size}
.youtube-shelf .shelf-heading{align-items:center}
.video-carousel:focus-visible{outline:3px solid #9b490f;outline-offset:6px}
.video-carousel .video-card:focus-visible{outline-offset:-3px;outline:3px solid #9b490f}
@container(max-width:900px){.video-carousel .video-card{flex-basis:calc((100% - 36px)/2.15)}}
@container(max-width:620px){
.youtube-shelf .shelf-heading{flex-direction:column;align-items:flex-start;gap:9px;margin-bottom:17px}
.youtube-shelf .shelf-heading h2{font-size:29px;letter-spacing:-1.6px}
.youtube-shelf .shelf-link{align-self:flex-start;font-size:11px;gap:9px;padding:3px 0}
.video-carousel{gap:14px;padding-top:5px;padding-bottom:16px;border-radius:17px 17px 0 0}
.video-carousel .video-card{flex-basis:85%;border-radius:17px}
.video-carousel .video-info{padding:18px 33px 20px 18px;min-height:116px}
.video-carousel .video-info h3{font-size:14px}
.video-carousel .video-arrow{right:16px;bottom:20px}
.carousel-controls{padding-top:15px;gap:10px}
.carousel-controls p{gap:6px;font-size:9px}
.scroll-gesture,.desktop-hint{display:none}.mobile-hint{display:inline}
.carousel-arrows{gap:7px}
}
@media(prefers-reduced-motion:reduce){.video-carousel{scroll-behavior:auto}.video-carousel .video-card,.carousel-arrows button{transition:none}.video-carousel .video-card:hover,.carousel-arrows button:hover:not(:disabled){transform:none}}