:root{color-scheme:dark;--bg:#0b1324;--panel:#121e33;--line:#29364c;--ink:#f6f8fc;--muted:#a1aec4;--orange:#ffb769;--cyan:#7edbd4;--red:#ffaaa6;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 78% 35%,#182544 0,transparent 53%),var(--bg);color:var(--ink);min-height:100vh}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:disabled{cursor:default}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--cyan);outline-offset:5px}button{touch-action:manipulation}h1,h2,h3,p{margin:0}button,a{color:inherit}.shell{max-width:1440px;margin:auto;padding:0 60px;position:relative}.stars{position:fixed;inset:0;pointer-events:none;opacity:.5;background-image:radial-gradient(1px 1px at 12% 28%,#fff 98%,transparent),radial-gradient(1px 1px at 70% 18%,#fff 98%,transparent),radial-gradient(1px 1px at 92% 75%,#fff 98%,transparent),radial-gradient(1px 1px at 40% 65%,#fff 98%,transparent);background-size:360px 330px,520px 440px,640px 520px,720px 700px}.topbar{height:106px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #ffffff16}.brand{display:flex;gap:13px;align-items:center;font-size:15px;font-weight:800;letter-spacing:.13em;text-decoration:none;line-height:1.45}.brand-light{font-weight:400;display:block;color:var(--muted);letter-spacing:.24em}.brand-mark{font-size:42px;color:var(--orange);line-height:1}.topbar-right{display:flex;align-items:center;gap:24px}.demo-badge{font-size:12px;letter-spacing:.04em;color:#c8d3e6;display:flex;align-items:center;gap:8px}.demo-badge span{width:6px;height:6px;border-radius:50%;background:var(--cyan)}.icon-button{border:1px solid var(--line);background:transparent;border-radius:12px;width:44px;height:44px;font-size:24px;color:var(--muted)}main{min-height:calc(100svh - 176px);display:flex;align-items:center;padding:48px 0}.footer{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #ffffff16;padding:24px 0;color:#8696b0;font-size:12px;line-height:1.6}.eyebrow{color:var(--orange);font-size:11px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;display:flex;align-items:center;gap:10px;margin-bottom:25px}.eyebrow:before{content:"";width:28px;height:1px;background:var(--orange)}.intro{display:grid;grid-template-columns:1.04fr 1fr;gap:44px;width:100%;align-items:center}.intro h1{font-size:clamp(44px,5.8vw,80px);font-weight:600;letter-spacing:-.055em;line-height:1.05;max-width:650px}.intro h1 span{color:var(--orange)}.intro-description{max-width:410px;color:var(--muted);font-size:17px;line-height:1.7;margin-top:26px}.facts{display:flex;gap:30px;margin:34px 0}.facts div{font-size:12px;line-height:1.6;color:var(--muted)}.facts strong{display:block;font-size:23px;letter-spacing:-.04em;color:var(--ink);font-weight:500}.primary{border:0;background:var(--orange);color:#182034;border-radius:14px;font-weight:700;min-height:62px;padding:17px 26px;display:inline-flex;gap:32px;align-items:center;justify-content:center;transition:transform .15s,background .15s}.primary:hover{background:#ffc990}.primary:active{transform:translateY(2px)}.primary .arrow{font-size:25px;font-weight:400;line-height:1}.intro-note{font-size:11px;color:#8d9cb6;margin-top:15px}.art{width:100%;position:relative;aspect-ratio:1;display:flex;align-items:center;justify-content:center}.art svg{width:100%;height:auto;filter:drop-shadow(0 30px 60px #0002)}.art-label{position:absolute;bottom:12%;left:5%;font-size:10px;letter-spacing:.16em;color:#b0bdd3;display:flex;align-items:center;gap:8px}.art-label:before{content:"";height:5px;width:5px;background:var(--cyan);border-radius:50%}.art-top{position:absolute;right:4%;top:8%;font:10px ui-monospace,monospace;color:#8a9aba;letter-spacing:.12em}.orbit-spin{transform-origin:300px 300px;animation:orbit 85s linear infinite}@keyframes orbit{to{transform:rotate(360deg)}}
.play-layout{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(200px,.7fr);gap:60px;width:100%;align-items:start}.question-top{display:flex;align-items:center;justify-content:space-between;gap:16px;color:var(--muted);font-size:12px;margin-bottom:18px}.counter{font-variant-numeric:tabular-nums;letter-spacing:.08em}.counter strong{color:var(--orange);font-size:20px;font-weight:500}.category{color:var(--cyan);font-size:11px;text-transform:uppercase;letter-spacing:.1em}.progress{height:3px;border-radius:4px;background:#253047;overflow:hidden;margin-bottom:34px}.progress span{display:block;height:100%;background:var(--orange);transition:width .25s}.question-title{font-size:clamp(25px,3vw,42px);font-weight:500;line-height:1.23;letter-spacing:-.03em;margin-bottom:30px;min-height:2.5em;outline:none}.options{display:grid;grid-template-columns:1fr 1fr;gap:14px}.option{background:#152139;border:1px solid #30405a;border-radius:14px;min-height:80px;padding:20px;text-align:left;display:flex;align-items:center;gap:16px;font-size:16px;line-height:1.4;transition:border-color .15s,background .15s}.option:not(:disabled):hover{background:#1e2e49;border-color:#8594ad}.option-key{height:30px;min-width:30px;border:1px solid #40506b;border-radius:8px;display:grid;place-items:center;color:#9eafca;font:12px ui-monospace,monospace}.option.correct{border-color:var(--cyan);background:#153b42}.option.correct .option-key{background:var(--cyan);border-color:var(--cyan);color:#13383d}.option.wrong{border-color:#a65a67;background:#382638}.option.wrong .option-key{background:var(--red);border-color:var(--red);color:#42212c}.option:disabled:not(.correct):not(.wrong){opacity:.5}.feedback{min-height:104px;padding-top:22px;line-height:1.6;color:var(--muted);font-size:14px}.feedback strong{color:var(--cyan);font-weight:600;display:block;margin-bottom:3px}.feedback.wrong strong{color:var(--red)}.feedback.placeholder{color:#7f91ad;font-size:12px}.question-actions{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-top:12px}.next-button{min-width:220px}.primary:disabled{background:#28354a;color:#8190a8;transform:none}.text-button{border:0;padding:12px 0;min-height:44px;background:transparent;color:#96a7c0;font-size:12px;text-decoration:underline;text-underline-offset:4px}.side-panel{border-left:1px solid #ffffff16;padding-left:35px;margin-top:14px}.side-panel .art{margin-bottom:22px}.side-label{color:#8598b5;font-size:10px;letter-spacing:.16em;text-transform:uppercase;margin-bottom:16px}.route{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}.route-dot{width:21px;height:5px;border-radius:5px;background:#2b3851}.route-dot.answered{background:var(--cyan)}.route-dot.active{background:var(--orange)}.side-copy{font-size:13px;color:#9aaac4;line-height:1.7}.side-copy strong{display:block;color:#e5ebf6;font-size:16px;margin-bottom:8px;font-weight:500}.restart-prompt{display:flex;align-items:center;gap:16px;color:var(--muted);font-size:12px;margin-top:16px}.small-button{background:#24334c;color:var(--ink);border:1px solid #42536f;padding:12px 16px;border-radius:10px;min-height:44px}
.result{width:100%;max-width:1040px;margin:0 auto}.result-top{display:grid;grid-template-columns:280px 1fr;gap:60px;align-items:center}.result-ring{width:260px;height:260px;border-radius:50%;padding:9px;background:conic-gradient(var(--orange) var(--score-angle),#26344e 0);position:relative;box-shadow:0 0 80px #ffb7690a}.result-ring-inner{border-radius:50%;width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#0f192b;border:10px solid #0f192b;outline:1px solid #334059;outline-offset:-17px}.result-number{font-size:83px;font-weight:400;letter-spacing:-.08em;line-height:1.1}.result-number span{font-size:24px;letter-spacing:-.04em;color:#91a3bf}.result-label{text-transform:uppercase;font-size:9px;letter-spacing:.18em;color:var(--muted);margin-top:7px}.result h1{font-size:clamp(33px,4vw,52px);letter-spacing:-.04em;font-weight:500;line-height:1.13;margin-bottom:18px;outline:none}.result-copy{color:var(--muted);font-size:15px;line-height:1.7;max-width:520px;margin-bottom:28px}.review{margin-top:42px;border-top:1px solid var(--line)}.review summary{cursor:pointer;min-height:64px;padding:23px 0;color:#c8d4e8;font-size:14px}.review-list{padding:0;margin:0;list-style:none;display:grid;gap:10px}.review-item{padding:20px 22px;border-radius:12px;border:1px solid #293850;background:#121f34;display:grid;grid-template-columns:30px 1fr;gap:13px}.review-number{width:28px;height:28px;display:grid;place-items:center;border-radius:50%;background:#20454a;color:var(--cyan);font-size:11px}.review-item.incorrect .review-number{background:#49303d;color:var(--red)}.review-item h3{font-size:14px;font-weight:500;line-height:1.5;margin-bottom:8px}.review-item p{font-size:12px;line-height:1.65;color:#9eb0ca}.review-item .chosen-answer{color:var(--red)}.review-item .right-answer{color:var(--cyan)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.noscript{padding:40px;position:fixed;inset:100px 10%;background:var(--panel);height:min-content;border:1px solid var(--line)}
@media(min-width:1600px){.shell{max-width:1540px}.intro h1{font-size:88px}.question-title{font-size:46px}.option{min-height:90px;font-size:18px}.intro-description{font-size:19px}.topbar{height:120px}main{min-height:calc(100svh - 190px)}}
@media(max-width:1000px){.shell{padding:0 32px}.intro{gap:12px}.intro h1{font-size:56px}.play-layout{gap:30px;grid-template-columns:minmax(0,1fr) 190px}.side-panel{padding-left:22px}.option{padding:16px;font-size:15px;gap:12px}.question-title{font-size:32px}.route{gap:5px}.route-dot{width:22px}.result-top{gap:36px}}
@media(max-width:740px){.shell{padding:0 22px}.topbar{height:85px}.brand{font-size:12px}.brand-mark{font-size:35px}.topbar-right{gap:12px}.demo-badge{font-size:10px}.icon-button{width:40px;height:40px}.intro{grid-template-columns:1fr;gap:0}.intro h1{font-size:clamp(46px,9.5vw,70px);max-width:550px}.intro .art{grid-row:1;max-width:300px;margin:-20px auto -20px;aspect-ratio:1.3}.intro .art svg{max-height:260px}.intro .art-label,.intro .art-top{display:none}.intro-description{font-size:15px;max-width:100%;margin-top:19px}.eyebrow{margin-bottom:20px}.facts{margin:26px 0;gap:28px}.facts strong{font-size:21px}.intro .primary{width:100%;justify-content:space-between}.intro-note{text-align:center}.footer{flex-direction:column;gap:3px;text-align:center;font-size:10px;padding:20px 0}main{min-height:calc(100svh - 164px);padding:28px 0}.play-layout{display:block}.side-panel{display:none}.question-title{font-size:30px;min-height:0;margin-bottom:24px}.progress{margin-bottom:26px}.options{grid-template-columns:1fr;gap:10px}.option{min-height:66px;font-size:16px;padding:15px 18px}.feedback{min-height:112px;font-size:13px}.question-actions{gap:12px}.next-button{min-width:190px;padding:16px 20px;gap:20px;font-size:14px}.text-button{font-size:11px}.result-top{display:flex;flex-direction:column;gap:32px;align-items:center;text-align:center}.result-ring{width:210px;height:210px}.result-number{font-size:68px}.result .eyebrow{justify-content:center}.result-copy{font-size:14px}.result .primary{width:100%;justify-content:space-between}.review{margin-top:28px}.review-item{padding:16px 14px;gap:10px}.review-item h3{font-size:13px}.restart-prompt{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}