:root{--bg:#07152f;--ink:#f1f7ff;--muted:#b1c9e5;--stroke:#28547e;--cyan:#6ef3fa}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 75% 3%,#183e8a,#06142c 40%,#060e21);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI",sans-serif}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}.skip{position:absolute;left:-100vw}.skip:focus{left:10px;top:10px;background:#fff;color:#000;z-index:99}.shell{width:min(1210px,calc(100% - 32px));margin:auto}header{display:flex;align-items:center;gap:20px;padding:13px max(16px,calc((100vw - 1210px)/2));border-bottom:1px solid #31516d;background:#07152fd9}header .logo img{width:135px;display:block}header nav{display:flex;align-items:center;gap:17px;margin-left:auto}header nav a{font-size:12px;font-weight:800;color:#c5dafa}header nav a:hover{color:#7ef4ff}.contact{border-radius:99px;padding:12px 15px;background:#1268bf;font-size:12px;font-weight:900}.hero{padding:75px 0 58px;text-align:center}.eyebrow{letter-spacing:.14em;color:#75e5fa;font-weight:900;font-size:11px}.hero h1{font-size:clamp(2.65rem,6.4vw,5.3rem);letter-spacing:-.055em;line-height:1.1;margin:15px 0}.hero h1 em{font-style:normal;background:linear-gradient(100deg,#64edfc,#bba8ff);background-clip:text;color:transparent}.hero p{font-size:17px;line-height:1.65;color:var(--muted);max-width:820px;margin:auto}.hero-badges{display:flex;gap:9px;justify-content:center;flex-wrap:wrap;margin:25px auto}.hero-badges span{border:1px solid #375c80;background:#133361;padding:9px 13px;font-size:12px;font-weight:750;border-radius:99px}.hero-cta{margin:24px auto;display:flex;justify-content:center;gap:10px}.primary,.secondary{display:inline-block;padding:13px 19px;border-radius:11px;font-weight:850;font-size:13px;background:linear-gradient(110deg,#61e7ee,#a0e7ff);color:#082445;border:1px solid #48d4ee}.secondary{color:white;background:#122e55;border:1px solid #4277a9}.journey{padding:26px 0 60px}.section-title{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:24px}.section-title h2{font-size:32px;margin:8px 0}.section-title p{color:var(--muted);margin:0}.filters{display:flex;flex-wrap:wrap;gap:6px;justify-content:flex-end}.filters button{border:1px solid #3f6998;border-radius:50px;background:#132e58;color:#d4eaff;padding:9px 12px;font-weight:750;font-size:12px}.filters button.active{background:var(--cyan);color:#08223b;border-color:var(--cyan)}.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:13px}.card{border:1px solid #2c5685;border-radius:17px;padding:18px;background:linear-gradient(145deg,#123161,#0b193a);text-align:left;min-height:193px;color:#fff;transition:transform .16s,border-color .16s}.card:hover,.card:focus-visible{transform:translateY(-3px);border-color:#58ecff}.card .icon{font-size:32px;display:block;margin:11px 0}.card .tag{font-size:10px;letter-spacing:.04em;font-weight:900;color:#96eaff}.card strong{font-size:18px;display:block}.card .lead{color:var(--muted);font-size:12px;margin-top:9px}.card .start{margin-top:14px;font-size:12px;font-weight:850;color:var(--cyan);display:block}.hidden{display:none!important}.backrow{display:flex;justify-content:space-between;padding:23px 0;color:#acd3f3;font-size:13px;font-weight:800}.backrow a{color:var(--cyan)}.lesson{display:grid;grid-template-columns:1.5fr .7fr;gap:18px;padding-bottom:55px}.board,.aside{border-radius:21px;padding:28px;border:1px solid #315e8b;background:#0b2248}.board h2{font-size:36px;margin:10px 0 5px}.board .sub{color:#bad5f1}.step{color:#7defff;font-size:12px;font-weight:900;letter-spacing:.08em;margin-top:20px}.question{font-weight:850;font-size:clamp(21px,3vw,29px);padding:21px 0;line-height:1.45}.listen{display:flex;gap:8px;margin-bottom:13px}.listen button,.action{border:1px solid #477eb0;background:#123d68;border-radius:11px;color:white;padding:11px 15px;font-weight:800}.answers{display:grid;gap:10px}.answers button{border:1px solid #416d9e;background:#173966;border-radius:12px;padding:16px 17px;color:white;text-align:left;font-size:16px;font-weight:750}.answers button:disabled{cursor:default;opacity:.95}.answers button.correct{border-color:#54e0ac;background:#12614b}.answers button.wrong{border-color:#ff869e;background:#70334e}.answers button:hover:not(:disabled){background:#245d87}.feedback{padding:16px;border-radius:12px;background:#13475a;border:1px solid #439aab;color:#dbfaff;margin:16px 0;line-height:1.65}.feedback strong{color:#8df0f1}.nextrow{display:flex;gap:9px;flex-wrap:wrap;margin-top:21px}.action.primary{color:#041b2c;background:var(--cyan)}.aside{align-self:start}.aside h3{margin:0 0 12px}.aside p{line-height:1.65;color:#b9d5ed;font-size:14px}.aside .speak{padding:16px;background:#18406c;border-radius:14px;font-weight:800;color:white}.note{display:flex;justify-content:space-between;align-items:center;gap:25px;background:linear-gradient(100deg,#192d72,#123c65);border:1px solid #425c99;border-radius:22px;padding:26px}.note h2{margin:4px 0 7px}.note p{margin:0;color:#b5d1ef;max-width:700px;line-height:1.6}.note .primary{white-space:nowrap}footer{padding:35px 0;background:#040b1d;color:#95b5d5;margin-top:45px;font-size:13px}footer a{color:#8feeff}footer p{font-size:12px;color:#6e8aa8}@media(max-width:1120px){.cards{grid-template-columns:repeat(3,1fr)}}@media(max-width:800px){header{flex-wrap:wrap}header nav{margin-left:0;width:100%;justify-content:space-between;gap:5px}.contact{position:absolute;right:16px;top:20px}.section-title{display:block}.filters{justify-content:start;margin-top:19px}.lesson{grid-template-columns:1fr}.cards{grid-template-columns:repeat(2,1fr)}.note{display:block}.note a{margin-top:16px}}@media(max-width:480px){.cards{grid-template-columns:1fr}.card{min-height:0}.hero{padding:45px 0}.hero p{font-size:15px}.hero-cta{flex-wrap:wrap}.board,.aside{padding:19px}.board h2{font-size:25px}.section-title h2{font-size:25px}.hero-badges span{font-size:11px}.header nav a{font-size:11px}}/* Mini-world uses existing original E-LAB Robo asset. One action = one learning consequence. */
.mini-world{border-radius:17px;border:1px solid #396da0;overflow:hidden;background:radial-gradient(circle at 30% 0,#164f8c,#10254b);margin:21px 0 15px;padding:13px 17px 11px}
.world-top{display:flex;justify-content:space-between;gap:10px;align-items:center;color:#d6fbff;font-size:12px}.world-top span{color:#a1deef;font-weight:750}
.world-track{height:88px;position:relative;margin-top:9px}
.world-trail{position:absolute;left:8%;right:8%;height:9px;top:56px;border-radius:80px;background:#324b7c}
.world-progress{position:absolute;left:8%;height:9px;top:56px;border-radius:80px;background:linear-gradient(90deg,#32bdff,#84f3c9);transition:width .25s}
.robot{width:69px;height:69px;object-fit:contain;position:absolute;top:3px;transform:translateX(-50%);filter:drop-shadow(0 7px 6px #02152f8a);transition:left .25s}
.world-end{position:absolute;right:1%;top:24px;font-size:26px}
.world-foot{display:flex;justify-content:space-between;color:#a9cde4;font-size:10px;font-weight:850;letter-spacing:.06em}
.mini-world.needs-fix{border-color:#f38d8d;background:radial-gradient(circle at 30% 0,#67345c,#142144)}
.mini-world.needs-fix .robot{filter:grayscale(.4) drop-shadow(0 2px 9px #f58b98)}
.mini-world.moved{border-color:#5bdeb1}
@media(max-width:520px){.world-top{flex-direction:column;align-items:start}.robot{width:58px;height:58px}.world-track{height:77px}.world-progress,.world-trail{top:50px}}