:root{--ink:#20243c;--muted:#697085;--paper:#f5f4ef;--purple:#6550d8;--lime:#d8fa78;--line:#dbdde4;--dark:#111527;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,select,textarea{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.45}button:focus-visible,a:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #8270ef;outline-offset:4px}button{transition:background .16s,transform .16s}button:hover:not(:disabled){transform:translateY(-1px)}[hidden]{display:none!important}a{color:inherit}.skip{position:absolute;top:-80px;left:20px;background:white;padding:12px;z-index:9}.skip:focus{top:10px}.topbar{max-width:1320px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:26px 42px;border-bottom:1px solid var(--line)}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;font-size:13px;letter-spacing:.02em}.brand b{display:block;font-size:20px;letter-spacing:-.03em}.brandmark{font-size:40px;color:var(--purple);line-height:1}.prototype{font-size:10px;letter-spacing:.15em;display:flex;align-items:center;gap:12px}.prototype i,.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#88a74e}.intro{max-width:1000px;margin:0 auto;text-align:center;padding:65px 24px 40px}.eyebrow{font-size:11px;letter-spacing:.16em;font-weight:750;color:var(--purple)}h1{font-size:clamp(40px,5.2vw,68px);line-height:1.06;letter-spacing:-.055em;margin:22px 0}h1 em{font-style:normal;color:var(--purple)}.lead{font-size:18px;line-height:1.65;max-width:650px;margin:0 auto;color:var(--muted)}.meta{display:flex;justify-content:center;flex-wrap:wrap;gap:24px;font-size:12px;margin:24px 0}.disclosure{margin:25px auto 0;background:#ebe9f6;color:#524c70;font-size:12px;line-height:1.6;padding:12px 20px;border-radius:12px;max-width:800px}.disclosure span{font-size:10px;font-weight:800;letter-spacing:.08em;margin-right:10px}.workbench{max-width:1220px;margin:0 auto 70px;background:#fff;border:1px solid #dedfe6;border-radius:24px;box-shadow:0 16px 60px #16163409;overflow:hidden;scroll-margin-top:24px}.missionhead{padding:28px 34px 22px;display:flex;align-items:center;justify-content:space-between}.missionhead h2{font-size:27px;letter-spacing:-.04em;margin:8px 0 0}.progress-label{font-size:12px;color:var(--muted)}.steps{display:grid;grid-template-columns:repeat(4,1fr);padding:0 34px;border-bottom:1px solid var(--line);gap:16px}.steps button{border:0;background:none;text-align:left;padding:18px 2px;color:var(--muted);font-size:13px;font-weight:650;border-bottom:3px solid transparent}.steps button span{font-size:10px;color:#8b8ca1;margin-right:9px}.steps button.active{color:var(--purple);border-color:var(--purple)}.workspace{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr)}.lesson{padding:34px;min-width:0}.smalltag{font-size:10px;letter-spacing:.13em;color:var(--muted);font-weight:750}.panel h3{font-size:29px;letter-spacing:-.045em;line-height:1.2;margin:14px 0}.panel p{font-size:14px;line-height:1.7;color:var(--muted)}.task{display:flex;gap:15px;align-items:flex-start;margin:20px 0;font-size:14px;line-height:1.6}.task>span{background:#f0eefc;color:var(--purple);padding:6px 9px;font-size:11px;border-radius:7px;font-weight:700}.question{margin:27px 0 10px}h4{font-size:14px;margin:20px 0 12px}.answer{display:block;width:100%;text-align:left;background:#fff;border:1px solid var(--line);border-radius:9px;padding:13px 15px;margin:8px 0;font-size:13px;line-height:1.4}.answer:hover{background:#f5f3ff}.answer.correct{border-color:#708d35;background:#f0f8e0;color:#40591e}.answer.wrong{border-color:#b86d55;background:#fff4ed}.feedback{min-height:20px}.primary,.secondary{display:flex;justify-content:space-between;align-items:center;gap:15px;border-radius:10px;font-size:13px;line-height:1.5;font-weight:650;padding:14px 18px;min-height:46px;border:1px solid transparent}.primary{background:var(--purple);color:#fff;width:100%;margin-top:17px}.primary:hover{background:#5540c3}.secondary{background:#fff;border-color:var(--line);color:var(--ink);margin-top:12px}.primary span{font-size:18px}.text-button{background:none;border:0;color:var(--purple);font-size:12px;padding:6px 0;text-decoration:underline;text-underline-offset:3px}label{display:block;font-size:13px;font-weight:650;margin:17px 0 7px}select,textarea{width:100%;border:1px solid #cfd2dd;border-radius:9px;padding:11px 12px;background:#fff;color:var(--ink);font-size:13px;line-height:1.5}textarea{resize:vertical}small{display:block;font-size:11px;color:var(--muted);line-height:1.65;margin:9px 0}.labelrow{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px}.labelrow label{margin:0}details{font-size:12px;color:var(--muted);line-height:1.6;margin-top:22px}summary{cursor:pointer;font-weight:600;color:var(--purple)}.buildnote{display:flex;gap:12px;background:#f5f3fc;border:1px solid #e2ddf7;border-radius:10px;padding:15px;font-size:13px;line-height:1.6}.buildnote>span{color:var(--purple);font-size:22px}.test-results{margin-top:20px}.test{border-bottom:1px solid #e8e9ee;padding:13px 0;display:grid;grid-template-columns:25px 1fr;gap:5px;font-size:12px;line-height:1.5}.test strong{font-weight:650}.test small{margin:2px 0 0}.test .icon{font-size:17px;font-weight:800;color:#48651f}.test.fail .icon{color:#b25d42}.testtotal{font-size:17px;letter-spacing:-.02em;font-weight:750}.actions{display:flex;gap:12px;flex-wrap:wrap}.actions .primary{width:auto;flex:1}.actions .secondary{margin-top:17px}.muted{font-size:11px!important}.completion{display:flex;align-items:center;gap:17px;padding:20px;border:1px solid #bed680;background:#f0f7df;border-radius:14px;margin:20px 0}.completion>span{font-size:37px;color:#597a2d}.completion strong{font-size:11px;letter-spacing:.1em;color:#435e20}.completion p{margin:5px 0 0;color:#435e20}.previewarea{background:#f4f5f8;border-left:1px solid var(--line);padding:26px 28px}.previewheader{font-size:9px;font-weight:700;letter-spacing:.08em;display:flex;justify-content:space-between;gap:8px;margin-bottom:16px;color:#6d7287}.previewheader .dot{margin-right:6px;background:#8c80df}.game{position:relative;overflow:hidden;background:#15182b;border-radius:19px;box-shadow:0 10px 30px #11152722;color:white;max-width:430px;margin:auto;min-height:550px}.gamebody{position:relative;z-index:1;padding:35px 29px 24px}.game-kicker{font-size:9px;letter-spacing:.2em;color:#c2bedc}.game h3{font-size:43px;font-weight:650;line-height:1.05;letter-spacing:-.05em;margin:25px 0 22px}.clue{font-size:13px;line-height:1.7;color:#d0ccea;margin-bottom:28px}.orb{position:absolute;border-radius:50%;pointer-events:none}.orb-one{right:-30px;top:66px;width:170px;height:170px;background:radial-gradient(circle at 30% 25%,#ba94ed,#6e4d9d 48%,#261e40 75%);box-shadow:0 0 80px #7860b836;opacity:.85}.orb-two{right:102px;top:53px;width:22px;height:22px;background:#ded5b7;box-shadow:0 0 25px #dbd0a444}.stars{position:absolute;inset:0;background-image:radial-gradient(#ffffff55 1px,transparent 1px);background-size:44px 57px;opacity:.3}.places{display:grid;grid-template-columns:1fr 1fr;gap:10px}.places button{display:flex;gap:10px;align-items:center;text-align:left;padding:13px 15px;background:#ffffff0b;border:1px solid #ffffff22;color:#d6d4e7;border-radius:10px;font-size:20px}.places button span{font-size:13px}.places button:hover{background:#ffffff18}.places button.selected{border-color:var(--lime);color:var(--lime);background:#d8fa7810}.places button:disabled{opacity:.6}.lock{display:flex;align-items:center;justify-content:space-between;margin:14px 0;width:100%;background:var(--lime);color:#273218;border:none;border-radius:10px;padding:15px;font-size:13px;font-weight:750}.reveal{border:1px solid #b39bd654;border-radius:10px;padding:13px 15px;background:#ffffff08;font-size:12px;line-height:1.55;min-height:62px}.reveal strong{display:block;color:#d5c0f8}.game-message{font-size:11px;line-height:1.5;color:#c5bfdc;min-height:33px;margin:9px 0}.gamefooter{display:flex;justify-content:space-between;gap:10px;color:#a4a0ba;font-size:10px;align-items:center}.gamefooter button{border:0;background:none;color:#d9d4ee;font-size:10px;padding:8px 0}.preview-caption{font-size:10px;line-height:1.7;color:var(--muted);max-width:410px;margin:15px auto 0}.bottomline{padding:17px 34px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:15px;align-items:center;font-size:10px;color:var(--muted)}.beyond{max-width:900px;margin:0 auto;padding:0 30px 65px;text-align:center}.beyond h2{font-size:38px;line-height:1.15;letter-spacing:-.045em;margin:18px 0}.beyond p{font-size:14px;line-height:1.7;color:var(--muted);max-width:620px;margin:0 auto}.future{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:26px}.future>span{padding:16px;border:1px solid var(--line);border-radius:11px;font-size:11px;color:var(--muted)}.future b{font-size:12px;margin:0 5px;color:var(--ink)}.future i{font-size:8px;font-style:normal;font-weight:700;display:block;margin-top:6px;color:var(--purple)}footer{border-top:1px solid var(--line);padding:25px 40px;max-width:1320px;margin:auto;font-size:11px;display:flex;gap:18px;align-items:center;flex-wrap:wrap;color:var(--muted)}footer span:last-child{margin-left:auto;max-width:450px;font-size:10px;line-height:1.6}@media(max-width:780px){.topbar{padding:20px}.prototype{font-size:8px;letter-spacing:.05em}.brand b{font-size:17px}.intro{padding:42px 22px 25px}.lead{font-size:16px}.meta{gap:11px 16px;font-size:10px}.disclosure{font-size:11px;text-align:left}.workbench{margin:0 14px 44px;border-radius:17px}.missionhead{padding:23px 20px 15px}.steps{padding:0 18px;gap:9px}.steps button{font-size:11px}.steps button span{display:block;margin:0 0 4px}.workspace{grid-template-columns:1fr}.lesson{padding:25px 21px}.previewarea{border-left:0;border-top:1px solid var(--line);padding:23px 21px}.game{min-height:530px}.gamebody{padding:28px 25px}.game h3{font-size:40px}.bottomline{padding:14px 20px;font-size:9px}.beyond h2{font-size:30px}.future{gap:7px}.future>span{padding:12px 7px}.future b{display:block;margin:4px 0}footer{padding:22px}footer span:last-child{margin:0}.labelrow{align-items:flex-start}.labelrow .text-button{font-size:10px}.progress-label{font-size:10px}}@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}