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@media(max-width:360px){.hero h1{font-size:55px}.hero-points{font-size:14px;gap:12px}.hero-actions{gap:20px}.category-card{padding-inline:13px}.category-card h3{font-size:19px}.category-card p{font-size:14px}.format-strip b{font-size:21px}.category-intro h1{font-size:32px}.category-intro .eyebrow{font-size:14px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}.category-card:hover,.primary:hover{transform:none}}
.search-page{padding-block:60px 85px;min-height:65vh}.search-page>h1{font-size:clamp(34px,5vw,58px);letter-spacing:-2px;margin:14px 0 18px}.question-search{display:grid;grid-template-columns:minmax(0,1fr) 230px auto;align-items:end;gap:16px;margin:32px 0 22px}.question-search label{display:grid;gap:9px;font-size:18px;font-weight:700}.question-search input,.question-search select{width:100%;min-width:0;height:54px;border:1px solid var(--line);border-radius:12px;padding:0 15px;background:white;color:var(--ink)}.question-search .button{min-height:54px}.search-page #search-status{color:var(--muted);margin-bottom:22px}.search-result{display:block;border:1px solid var(--line);border-radius:18px;padding:24px;margin-bottom:14px;background:white;transition:border-color .2s,box-shadow .2s}.search-result:hover{border-color:var(--blue);box-shadow:0 8px 25px #2459e00a}.search-result h2{font-size:23px;line-height:1.5;letter-spacing:-.4px;margin:12px 0 16px;overflow-wrap:anywhere}.search-result .text-link{font-size:16px}.search-pagination{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:28px}.question-detail{max-width:900px;padding-block:45px 85px;min-height:65vh}.question-detail article{border:1px solid var(--line);border-radius:24px;padding:34px;margin-top:24px;background:white}.question-detail h1{font-size:clamp(23px,3vw,34px);letter-spacing:-.7px;line-height:1.45;margin:15px 0 26px;overflow-wrap:anywhere}.variants-title{font-size:20px;letter-spacing:-.2px;margin:26px 0 16px}.reference-answers{list-style:none;padding:0;display:grid;gap:14px}.reference-answer{display:flex;align-items:flex-start;gap:16px;padding:18px;border:1px solid var(--line);border-radius:14px;line-height:1.65}.answer-letter{flex-shrink:0;display:grid;place-items:center;width:32px;height:32px;background:#f0f4fb;border-radius:9px;color:var(--muted);font-weight:800}.reference-answer p{overflow-wrap:anywhere}.reference-answer.is-correct{border-color:var(--blue);background:#f0f5ff}.is-correct .answer-letter{background:var(--blue);color:white}.reference-answer strong{display:block;color:var(--blue);font-size:16px;margin-top:7px}.correct-summary{margin:24px 0;color:var(--blue)}
@media(max-width:800px){.question-search{grid-template-columns:1fr 1fr}.question-search label:first-child{grid-column:1/-1}.question-search .button{justify-content:center}.search-page{padding-top:35px}.question-detail article{padding:24px 18px}.search-result{padding:20px}.search-result h2{font-size:20px}.reference-answer{padding:14px;gap:12px;font-size:18px}.question-detail{padding-top:28px}.search-pagination .button{font-size:16px;padding:14px}.header nav{gap:18px}}
@media(max-width:380px){.question-search{grid-template-columns:1fr}.question-search label:first-child{grid-column:auto}}

.question-explanation{margin:28px 0;padding:24px;border:1px solid #d9e2ff;border-left:4px solid #635bff;border-radius:16px;background:#f5f6ff}.question-explanation h2{margin:8px 0 12px;font-size:1.4rem}.question-explanation p{margin:0;line-height:1.8;white-space:pre-line;overflow-wrap:anywhere}@media(max-width:600px){.question-explanation{padding:18px;margin:22px 0}}

.contact-page{display:grid;grid-template-columns:1fr 1.15fr;gap:70px;padding-top:70px;padding-bottom:80px;align-items:start}.contact-copy h1{font-size:clamp(48px,6vw,82px);line-height:1.06;margin:20px 0}.contact-copy h1 em{color:#2459e0;font-style:normal}.contact-tip{background:#eef2ff;border-radius:22px;padding:25px;margin:30px 0}.contact-tip>span{font-size:30px;color:#2459e0}.contact-tip h2{font-size:23px;margin:12px 0}.contact-tip p{margin:0;line-height:1.7}.contact-email{overflow-wrap:anywhere}#contact-form{background:white;border:1px solid #dce3ef;border-radius:28px;padding:34px;box-shadow:0 16px 60px #2459e009;min-width:0}#contact-form h2{font-size:30px;margin:0 0 8px}#contact-form label{display:grid;gap:8px;font-weight:600;margin-top:22px;min-width:0}#contact-form input:not([type=checkbox]),#contact-form select,#contact-form textarea{width:100%;min-width:0;box-sizing:border-box;border:1px solid #ccd7e8;border-radius:12px;background:#fbfcff;color:#223456;font:inherit;font-weight:400;padding:13px 14px}#contact-form textarea{resize:vertical;min-height:150px}#contact-form :is(input,select,textarea):focus{outline:3px solid #2459e025;border-color:#2459e0}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}#contact-form .checkbox-label{display:flex;align-items:flex-start;font-size:16px;line-height:1.65;font-weight:400;gap:10px}#contact-form input[type=checkbox]{width:18px;height:18px;flex-shrink:0;margin-top:3px;accent-color:#2459e0}.checkbox-label a{text-decoration:underline;color:#2459e0}#contact-form .button{margin-top:25px;width:100%}#contact-form .button:disabled{opacity:.65;cursor:wait}.form-note{font-size:18px;color:#637591;margin:0}#form-status{line-height:1.6;overflow-wrap:anywhere}#form-status:empty{margin:0}#form-status.error{color:#a52c34}#form-status.success{color:#2459e0}.honeypot{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}@media(max-width:850px){.contact-page{grid-template-columns:1fr;gap:30px;padding-top:35px}.contact-copy h1 br{display:none}.contact-copy h1{font-size:55px}.contact-tip{margin:22px 0}}@media(max-width:480px){#contact-form{padding:22px 18px;border-radius:22px}.form-row{grid-template-columns:1fr;gap:0}.contact-copy h1{font-size:47px}.contact-page{padding-bottom:35px}}

.contact-copy h2,#contact-form h2{letter-spacing:-.03em}

.history-actions,.result-actions,.review-filters{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.history-actions{justify-content:flex-end}.review-filters{margin:24px 0}.review-filters [aria-pressed=true]{background:#2459e0;color:white}.review-card[hidden]{display:none}.review-explanation{margin-top:20px;border:1px solid #dfddff;border-radius:14px;background:#f5f5ff;padding:18px}.review-explanation summary{cursor:pointer;font-weight:700;color:#2459e0}.review-explanation p{line-height:1.8;white-space:pre-line;overflow-wrap:anywhere}.result-actions{margin-top:22px}@media(max-width:600px){.history-row{align-items:flex-start;flex-direction:column;gap:16px}.history-actions{justify-content:flex-start}.history-actions .button{font-size:16px}.review-filters .button{padding:12px;font-size:16px}}

.storage-note{font-size:16px;color:#637591;line-height:1.7;margin:22px 0}.storage-note a{text-decoration:underline;color:#2459e0}

/* Comfortable reading across ages and screen sizes. */
:root{font-size:18px}body{line-height:1.65}p,li{line-height:1.8}h1,h2,h3{overflow-wrap:break-word}.header nav a{line-height:1.5}.category-meta,.hero-points,.hero-actions,.format-strip{flex-wrap:wrap}.category-card,.mode-card,.sign-card,.hero>div{min-width:0}.category-card p{min-height:0}.category-meta{line-height:1.65}.question-box h2{font-size:27px}.answer{font-size:19px;line-height:1.7}.feedback,.feedback p,.review-card p,.review-card ol,.reference-answer,.question-explanation p,.review-explanation p,.legal p,.legal li{font-size:18px;line-height:1.8}.review-card h2{font-size:22px}.reference-answer strong{font-size:16px}.button{line-height:1.5;min-height:52px}.quiz-actions .button{font-size:16px}.review-explanation summary{font-size:18px;line-height:1.65}.footer>div>a:not(.brand),.footer>div>span,.footer .footer-bottom>a,.footer .footer-bottom>span{font-size:15px}.footer p{font-size:16px}.legal h1{line-height:1.2}.road-sticker{width:115px;height:115px;font-size:12px}.road-top span{font-size:12px}.road-note{font-size:13px}.eyebrow{letter-spacing:1px;flex-wrap:wrap}.history-actions .button,.review-filters .button{font-size:16px}.storage-note{font-size:16px;color:var(--muted)}.lead,.contact-tip p,#form-status{font-size:18px}#contact-form label{font-size:17px}#contact-form .checkbox-label{font-size:16px}.form-note{font-size:16px}.tag{font-size:12px}.answer-help{font-size:16px}.hero h1{font-size:clamp(46px,5vw,74px);letter-spacing:-2.5px}.hero>div>p{max-width:550px}.section-heading{gap:25px}.signs-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.format-strip>div{min-width:0}.format-strip span{max-width:150px}
@media(max-width:950px){.menu{display:block;background:white;border:1px solid var(--line);border-radius:10px;color:var(--blue);width:48px;height:48px;font-size:25px}.header{height:85px}.header nav{display:none;position:absolute;top:84px;left:0;right:0;padding:18px 21px;background:white;border-bottom:1px solid var(--line);box-shadow:0 18px 24px #283e6214;z-index:8}.header nav.open{display:flex;flex-direction:column;align-items:stretch;gap:4px}.header nav a{padding:15px;font-size:18px;min-height:48px}.hero{grid-template-columns:1fr;gap:35px}.hero h1{max-width:700px}.road-scene{max-width:500px;width:100%;margin:auto}.category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.section-heading{align-items:flex-start}.question-box h2{font-size:25px}}
@media(max-width:600px){.category-grid{grid-template-columns:1fr}.category-card{padding:24px}.category-card h3{font-size:24px}.category-card p{font-size:17px}.category-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:15px}.availability{font-size:15px}.tag{display:inline-block}.hero h1{font-size:clamp(42px,10vw,58px)}.hero>div>p{font-size:18px;max-width:none}.hero .eyebrow,.category-intro .eyebrow,.study-banner .eyebrow{font-size:13px}.hero-points{font-size:14px}.section-heading>p,.mode-card p{font-size:18px}.question-box h2{font-size:23px}.answer{font-size:18px}.quiz-top{flex-wrap:wrap}.quiz-stats{font-size:15px}.signs-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.sign-card h2{font-size:16px}.format-strip{gap:20px}.format-strip>div{flex:1 1 90px}.format-strip span{font-size:14px}.category-intro{align-items:flex-start}.category-intro p{font-size:16px}.history-row h2{font-size:20px}.contact-copy h1{font-size:48px}.review-card{padding:22px 18px}.review-card ol{padding-left:25px}.road-sticker{width:100px;height:100px;font-size:11px}.road-note{font-size:12px}.road-top span{font-size:11px}}