:root{color-scheme:dark;--ink:#eaf0ff;--muted:#9baac8;--bg:#080d1d;--surface:#111a31;--line:#2a3751;--aqua:#6ce6d9;--violet:#b19bff;--pink:#ff88ba;--gold:#ffc76d;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(900px 520px at 18% 0%,#1a1b4b 0,transparent 65%),radial-gradient(720px 620px at 100% 30%,#12243d 0,transparent 72%),var(--bg);color:var(--ink);line-height:1.6;min-width:280px}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{cursor:pointer}a:focus-visible,button:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid var(--aqua);outline-offset:3px}::selection{background:#3b6599;color:white}.skip-link{position:absolute;top:-70px;left:15px;z-index:80;background:var(--aqua);color:#061420;padding:9px 14px;border-radius:10px}.skip-link:focus{top:10px}.shell{width:min(1160px,calc(100% - 40px));margin:auto}.nav{position:sticky;top:0;z-index:20;border-bottom:1px solid #ffffff15;background:#0b1022e8;backdrop-filter:blur(18px)}.nav-in{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:18px}.logo{display:flex;align-items:center;gap:10px;font-size:1.14rem;font-weight:850;letter-spacing:-.025em;white-space:nowrap}.logo-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:13px;color:#09272b;background:linear-gradient(130deg,var(--aqua),var(--violet));box-shadow:0 6px 28px #59e8d83e;font-weight:900}.nav-links{display:flex;align-items:center;gap:28px;margin-left:auto}.nav-links a{color:#bbc8e2;font-weight:650;font-size:.92rem}.nav-links a:hover,.nav-links a[aria-current]{color:var(--aqua)}.lang-wrap{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:.85rem}.lang-wrap select{max-width:142px;padding:9px 26px 9px 9px;border:1px 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11px;border-radius:999px;color:#aab7d2;font-size:.78rem;background:#ffffff08}.actions{display:flex;gap:12px;flex-wrap:wrap}.btn{border:1px solid var(--line);padding:13px 22px;border-radius:13px;color:var(--ink);font-weight:750;background:#1c2942;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:transform .16s,border-color .16s,background .16s}.btn:hover{transform:translateY(-2px);border-color:#8ab9de}.btn.primary{color:#061923;border:0;background:linear-gradient(110deg,var(--aqua),#9baafa);box-shadow:0 10px 33px #57d6d51e}.btn.primary:hover{filter:brightness(1.1)}.hero-art{min-height:380px;position:relative;display:flex;align-items:center;justify-content:center}.orb{width:min(365px,100%);aspect-ratio:1;border:1px solid #aaf6ff50;border-radius:36%;background:radial-gradient(circle at 45% 32%,#a9edff32,transparent 40%),radial-gradient(circle at 50% 75%,#8261ff31,transparent 58%),#111b3d;transform:rotate(-12deg);box-shadow:0 0 90px #5a5eab31,inset 0 0 60px #7a8bff21;display:grid;place-items:center;animation:float 6s ease-in-out infinite}.orb-inner{transform:rotate(12deg);font-size:clamp(90px,14vw,167px);font-weight:900;letter-spacing:-.1em;background:linear-gradient(180deg,#e5fdff,#79efd6 55%,#b0a3ff);background-clip:text;color:transparent;text-shadow:0 20px 100px #80b5ec40}.floatchip{position:absolute;background:#131d36ef;box-shadow:0 12px 45px #02081880;border:1px solid #4b5d80;border-radius:15px;padding:13px 16px;backdrop-filter:blur(10px);color:#e4eafa;font-weight:750}.floatchip small{display:block;font-size:.74rem;color:#96aaca;font-weight:500}.chip-1{top:13%;left:0}.chip-2{bottom:13%;right:0}.chip-3{bottom:6%;left:6%;color:var(--gold)}@keyframes float{0%,100%{transform:translateY(0) rotate(-12deg)}50%{transform:translateY(-14px) rotate(-9deg)}}.section{padding:66px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:28px}.section-head h2{font-size:clamp(1.8rem,4vw,2.8rem);letter-spacing:-.046em;line-height:1.14;margin-bottom:9px}.section-head p{color:var(--muted);max-width:630px;margin-bottom:0}.section-note{color:var(--aqua);font-size:.86rem;font-weight:800;letter-spacing:.08em}.text-link{white-space:nowrap;color:var(--aqua);font-weight:750;font-size:.93rem}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card{background:linear-gradient(145deg,#17223c,#11192e);border:1px solid #2b3854;border-radius:21px;padding:26px 25px 23px;min-height:240px;display:flex;flex-direction:column;position:relative;overflow:hidden;transition:transform .19s,border-color .19s,box-shadow .19s}.card:before{content:"";position:absolute;width:135px;height:135px;border-radius:50%;background:radial-gradient(circle,#87b2ff17,transparent 70%);top:-44px;right:-49px}.card:hover{transform:translateY(-4px);border-color:#7c84ba;box-shadow:0 18px 45px #0003}.card .iconbox{width:50px;height:50px;border-radius:15px;background:#253757;color:#9df5df;font-size:1.45rem;font-weight:800;display:grid;place-items:center;margin-bottom:23px}.card h3{font-size:1.22rem;letter-spacing:-.025em;margin-bottom:8px}.card p{color:var(--muted);font-size:.92rem;flex:1}.card .go{margin-top:10px;color:var(--aqua);font-weight:800;font-size:.92rem}.card.article .iconbox{background:#302c4d;color:#d4bdff}.split-cta{border:1px solid #33405b;border-radius:26px;background:linear-gradient(110deg,#1a2948,#231d43);padding:35px 42px;display:flex;align-items:center;justify-content:space-between;gap:25px}.split-cta h2{letter-spacing:-.04em;font-size:1.65rem;line-height:1.2;margin-bottom:8px}.split-cta p{margin:0;color:var(--muted)}.page-hero{padding:60px 0 30px;max-width:850px}.page-hero h1{font-size:clamp(2.4rem,5.3vw,4.2rem)}.page-hero p{max-width:780px;color:var(--muted);font-size:1.06rem}.breadcrumb{display:inline-flex;color:var(--aqua);font-size:.9rem;font-weight:750;margin:0 0 24px}.game-wrap{padding:25px 0 70px;display:grid;grid-template-columns:minmax(0,1.5fr) minmax(255px,.75fr);gap:22px}.game-panel,.info-panel,.article-sheet{border:1px solid var(--line);background:linear-gradient(145deg,#141f37,#0f1628);border-radius:22px;padding:25px}.game-panel{min-height:440px}.game-panel h2{font-size:1.28rem}.info-panel{height:max-content}.info-panel h3{font-size:1.07rem}.info-panel p,.info-panel li{color:var(--muted);font-size:.93rem}.game-status{font-weight:700;color:#b8c9e7;text-align:center;min-height:26px;margin:12px 0 22px}.start-card,.end-card{min-height:340px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:10px}.start-card p,.end-card p{max-width:390px;color:var(--muted)}.end-card h2{font-size:2rem}.game-orb{width:100px;height:100px;display:grid;place-items:center;font-size:3.2rem;color:var(--aqua);background:#244158;border:1px solid #487a8b;border-radius:50%}.game-quiet{font-size:.78rem;line-height:1.5;max-width:460px!important;margin-top:10px}.game-metrics{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:14px;font-size:.9rem;color:var(--muted);gap:10px}.game-metrics b{font-size:1.1rem;color:var(--aqua)}.symbol-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:7px;max-width:530px;margin:18px auto}.cell{aspect-ratio:1;border:1px solid #364965;background:#24314e;border-radius:11px;color:#e9f3ff;font-size:clamp(1rem,3vw,1.7rem);display:grid;place-items:center}.cell:hover,.option:hover,.memory-cell:hover{border-color:var(--aqua);background:#304665}.cell.mistake{background:#714054}.target{font-size:2rem;color:var(--aqua);vertical-align:middle;margin-left:12px}.simon{max-width:370px;aspect-ratio:1;display:grid;grid-template-columns:1fr 1fr;gap:11px;margin:35px auto}.simon button{border:0;border-radius:24px;background:var(--tone);opacity:.28;transition:opacity .1s,transform .1s}.simon button.lit,.simon button:hover{opacity:1;transform:scale(.98)}.reaction-board{width:100%;min-height:255px;border-radius:20px;border:0;font-size:clamp(1.3rem,4vw,2rem);font-weight:850;margin:15px 0;color:#09121e}.reaction-board.waiting{background:#dd7b86}.reaction-board.go{background:#55dfaa}.reaction-board.mistake{background:#f3d28b}.stroop-word,.display-number{font-size:clamp(2.8rem,8vw,5rem);font-weight:850;line-height:1.2;letter-spacing:.08em;text-align:center;margin:30px 0}.pattern-number{font-size:clamp(1.4rem,3.5vw,2.4rem);text-align:center;font-weight:750;margin:33px 0;letter-spacing:.025em}.answer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;max-width:540px;margin:22px auto}.option{border:1px solid #3d5072;border-radius:14px;background:#263652;padding:15px 10px;color:var(--ink);font-weight:760;min-height:59px}.answer-form{display:flex;justify-content:center;gap:10px;margin:25px 0}.answer-form input{min-width:0;width:190px;text-align:center;border:1px solid var(--line);border-radius:13px;background:#1e2a45;padding:13px;color:white;font-size:1.3rem;letter-spacing:.08em}.memory-grid{display:grid;grid-template-columns:repeat(4,1fr);max-width:360px;margin:20px auto;gap:9px}.memory-cell{aspect-ratio:1;border-radius:12px;background:#243452;border:1px solid #3c4b69}.memory-cell.shown,.memory-cell.picked{background:#66d9ca;border-color:#a7fff1;box-shadow:0 0 25px #5cf3d340}.pairs-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;max-width:440px;margin:25px auto}.pair-card{aspect-ratio:1;background:#263654;border:1px solid #465573;border-radius:14px;font-size:2rem;color:var(--aqua);font-weight:800}.pair-card.flipped{background:#395273}.go-stage{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:270px}.go-circle{width:180px;height:180px;border-radius:50%;border:8px solid #ffffff2b;box-shadow:0 0 45px #ffffff12}.go-circle.yes{background:#43d9ad}.go-circle.no{background:#fa7186}.go-stage small{margin-top:20px;color:var(--muted)}.blank-circle{width:170px;height:170px;border-radius:50%;border:3px dashed #2e435e}.arrow-shape{width:max-content;margin:20px auto;font-size:7.5rem;line-height:1;color:var(--aqua)}.dots-view{height:240px;position:relative;max-width:450px;margin:20px auto;border:1px solid #2d3e59;border-radius:18px;background:#131f33}.dots-view span{position:absolute;background:#6ce6d9;width:12px;height:12px;border-radius:50%}.question{text-align:center;font-size:1.13rem;margin:18px auto;max-width:550px}.answer-feedback{padding:25px;text-align:center;background:#233856;border-radius:15px;max-width:530px;margin:20px auto}.answer-feedback p{color:#c7f7e8;font-weight:800}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:24px;padding-bottom:75px}.article-sheet{padding:40px 44px}.article-sheet h2{font-size:1.45rem;letter-spacing:-.02em;margin-top:30px}.article-sheet p{font-size:1.02rem;color:#bcc9e2;line-height:1.9}.article-sheet .callout{background:#203347;border-left:3px solid var(--aqua);border-radius:12px;padding:20px;color:#d8eaff}.article-side{align-self:start;border:1px solid var(--line);border-radius:18px;background:var(--surface);padding:20px;color:var(--muted);font-size:.9rem}.plain-content{max-width:800px;margin:0 auto 70px}.plain-content p{color:#bac8e0;font-size:1.06rem;line-height:1.9}.footer{border-top:1px solid #ffffff18;padding:45px 0;color:#92a4c5;margin-top:65px}.footer-top{display:flex;justify-content:space-between;gap:25px;align-items:start}.footer .small{max-width:440px;font-size:.88rem}.footer-links{display:flex;gap:20px;flex-wrap:wrap}.footer a:hover{color:var(--aqua)}.copyright{margin-top:32px;font-size:.8rem;border-top:1px solid #ffffff12;padding-top:20px}@media(max-width:850px){.hero-inner{grid-template-columns:1fr}.hero{padding-top:60px}.hero-art{min-height:300px}.orb{width:265px}.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.game-wrap{grid-template-columns:1fr}.article-layout{grid-template-columns:1fr}.article-side{order:-1}.nav-links{gap:14px}}@media(max-width:610px){.shell{width:min(100% - 28px,1160px)}.nav-in{flex-wrap:wrap;min-height:75px;padding:10px 0}.logo{font-size:1.03rem}.logo-mark{width:33px;height:33px}.nav-links{order:3;width:100%;justify-content:center;padding:3px 0 1px}.nav-links a{font-size:.86rem}.lang-wrap{margin-left:auto}.lang-wrap select{max-width:112px}.hero{padding:48px 0 38px}.hero-art{min-height:230px}.orb{width:200px}.orb-inner{font-size:95px}.floatchip{font-size:.72rem;padding:9px}.section{padding:44px 0}.section-head{align-items:start;flex-direction:column;gap:10px}.card-grid{grid-template-columns:1fr;gap:12px}.card{min-height:200px;padding:22px}.card .iconbox{margin-bottom:13px}.split-cta{padding:27px;align-items:start;flex-direction:column}.page-hero{padding:45px 0 12px}.page-hero h1{font-size:clamp(2.15rem,9vw,3rem)}.game-panel,.info-panel{padding:16px}.game-panel{min-height:350px}.article-sheet{padding:25px 19px}.answer-grid{gap:8px}.option{padding:12px 8px}.symbol-grid{gap:4px}.cell{border-radius:7px}.footer-top{flex-direction:column;gap:14px}.footer-links{gap:14px}.pill-list{gap:6px}.pill{font-size:.73rem}.answer-form{flex-direction:column;align-items:stretch}.answer-form input{width:100%}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}