@font-face{font-family:Manrope;src:url('../assets/fonts/Manrope-Variable.woff2') format('woff2');font-weight:200 800;font-display:swap}
:root{color-scheme:light;--navy:#101c35;--blue:#245df2;--paper:#f8fbff;--muted:#53657d}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--navy);font-family:Manrope,system-ui,sans-serif;line-height:1.65}
[hidden]{display:none!important}a{color:var(--blue);text-underline-offset:4px}button,select,input{font:inherit}button,a,select,label{-webkit-tap-highlight-color:transparent}
button,select{min-height:44px}button{cursor:pointer}button:disabled{cursor:default;opacity:.55}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid var(--blue);outline-offset:4px}
.skip{position:absolute;top:-100px;left:12px;padding:10px;background:white;z-index:9}.skip:focus{top:12px}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.topbar{background:var(--navy);color:white}.topbar nav{max-width:1120px;margin:auto;min-height:90px;display:flex;align-items:center;justify-content:space-between;padding:16px 24px;gap:16px}
.brand{display:flex;align-items:center;gap:12px}.brand>img{width:44px;height:44px;object-fit:contain}.wordmark{position:relative;display:block;width:132px;aspect-ratio:1750/545;overflow:hidden;flex-shrink:0}.brand .wordmark img{position:absolute;width:101.37%;height:auto;left:-1.09%;top:-36.7%;filter:brightness(0) invert(1)}.wordmark:after{content:'';position:absolute;inset:0;background:#ffdf00;clip-path:polygon(48.98% 47.6%,47.12% 65.1%,50.78% 64.6%,41.01% 95.4%,44.66% 74.7%,42.09% 75.1%)}.topbar a{color:white}.topbar .entry{border:1px solid #53657d;padding:10px 22px;border-radius:999px;text-decoration:none}
main{max-width:1120px;margin:auto;padding:32px 24px 72px}.breadcrumb{font-size:13px;color:var(--muted)}.breadcrumb ol{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0}.breadcrumb li+li:before{content:'/';margin-right:10px}
.hero{display:grid;grid-template-columns:1.5fr 1fr;gap:48px;padding:42px 0 48px;border-bottom:1px solid #d9e2f0}.eyebrow{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);font-weight:800}
h1{font-size:clamp(36px,5vw,60px);line-height:1.09;letter-spacing:-.045em;margin:18px 0 24px;max-width:720px}h1 span{color:var(--blue)}.lead{font-size:19px;color:var(--muted);max-width:610px}.hero aside{align-self:end;font-size:15px;color:var(--muted)}.hero aside strong{color:var(--navy)}.chips{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0}.chips span{font-size:12px;border:1px solid #d9e2f0;padding:6px 12px;border-radius:999px}
.quiz{padding:36px 0}.filters{display:grid;grid-template-columns:1fr 2fr;gap:16px;margin:0 0 24px}.filters label{font-size:13px;font-weight:800;display:grid;gap:7px}.filters select{width:100%;min-width:0;padding:10px 14px;border:1px solid #c7d4e6;border-radius:12px;background:white;color:var(--navy)}
.quiz-top{display:flex;justify-content:space-between;gap:12px;font-size:13px;font-weight:800}.quiz-top span:last-child{font-weight:500;color:var(--muted)}progress{display:block;width:100%;height:6px;margin:12px 0 24px;accent-color:var(--blue);border:0;border-radius:4px;overflow:hidden}progress::-webkit-progress-bar{background:#e3eaf4}progress::-webkit-progress-value{background:var(--blue)}
.question{background:white;border:1px solid #d9e2f0;border-radius:24px;padding:clamp(20px,3vw,40px);margin-bottom:24px;scroll-margin-top:16px}.origin{font-size:12px;text-transform:uppercase;letter-spacing:.07em;color:var(--blue);font-weight:800;margin:0 0 12px}.chapter{font-size:13px;color:var(--muted);margin:0 0 20px;overflow-wrap:anywhere}
h2{font-size:clamp(21px,2.4vw,29px);line-height:1.4;letter-spacing:-.015em;margin:0 0 28px;overflow-wrap:anywhere}.question h2:focus,#result-title:focus{outline:none}fieldset{border:0;padding:0;margin:0;display:grid;gap:12px}.option{display:flex;align-items:center;gap:14px;border:1px solid #cdd9ea;border-radius:14px;min-height:62px;padding:14px 18px;cursor:pointer;transition:border-color .12s,background .12s}.option:hover{border-color:var(--blue)}.option:has(input:checked){background:#eef4ff;border-color:var(--blue)}.option input{accent-color:var(--blue);width:19px;height:19px;flex-shrink:0}.option b{font-size:13px;color:var(--muted);margin-right:7px}.option.correct,.option.correct:has(input:checked){background:#ecfdf5;border-color:#087c53}.option.wrong,.option.wrong:has(input:checked){background:#fff1f2;border-color:#be123c}.option:has(input:disabled){cursor:default}
.correction{background:#f2f6fc;border-radius:14px;padding:18px;margin-top:24px;font-size:15px}.correction p{margin:0 0 8px}.correction p:last-child{margin:0}.source-note{font-size:12px;color:var(--muted)}.status{min-height:1.7em;color:var(--navy);font-size:14px}.quiz-nav{display:flex;align-items:center;justify-content:space-between;gap:12px}.nav-actions{display:flex;gap:12px}.button{display:inline-flex;align-items:center;justify-content:center;padding:12px 22px;border:1px solid #c7d4e6;background:white;color:var(--navy);border-radius:999px;font-weight:800;font-size:14px;text-decoration:none;min-height:48px}.button.primary{color:white;background:var(--blue);border-color:var(--blue)}
.result{background:var(--navy);color:white;border-radius:24px;padding:32px;margin:32px 0;scroll-margin-top:16px}.result .eyebrow{color:#a9c5ff}.result h2{margin-bottom:14px}.result .button{margin:8px 8px 0 0}.result p{max-width:690px}.note{font-size:13px;color:var(--muted)}.guide{display:grid;grid-template-columns:1fr 1fr;gap:32px;border-top:1px solid #d9e2f0;padding-top:36px}.guide h2{font-size:24px;margin-bottom:14px}.guide p{color:var(--muted)}footer{padding:28px 24px;border-top:1px solid #d9e2f0;max-width:1120px;margin:auto;display:flex;justify-content:space-between;gap:24px;font-size:13px;color:var(--muted)}
@media(max-width:720px){main{padding:20px 16px 48px}.topbar nav{padding:14px 16px;min-height:74px}.topbar .entry{padding:8px 16px}.brand{gap:8px}.brand img:first-child{width:32px;height:32px}.brand img:last-child{width:108px}.hero{grid-template-columns:1fr;gap:12px;padding:28px 0}.lead{font-size:17px}.hero aside{font-size:14px}.filters{grid-template-columns:1fr}.guide{grid-template-columns:1fr;gap:20px}.quiz-nav{align-items:stretch;flex-wrap:wrap}.quiz-nav>button{flex:1}.nav-actions{display:grid;grid-template-columns:1fr 1fr;width:100%}.button{padding:12px 16px}.option{padding:12px}.question{border-radius:18px}footer{flex-direction:column;gap:8px}}
.article-filter{grid-template-columns:minmax(0,1fr);max-width:640px}
@media(prefers-reduced-motion:reduce){.option{transition:none}}