:root{--void:#100714;--ink:#190c20;--plum:#2b1238;--plum-raised:#381748;--violet:#a66bff;--violet-bright:#c9a4ff;--violet-dim:#76568a;--lilac-paper:#f1e9f5;--chalk:#fffafd;--muted:#b6a7be;--danger:#b94a69;--line:#ebdaf533;--line-strong:#ebdaf56b;--display:Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;--body:Aptos, "Segoe UI", ui-sans-serif, system-ui, sans-serif;--data:"SFMono-Regular", Consolas, "Liberation Mono", monospace}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--void)}body{min-width:320px;min-height:100vh;color:var(--chalk);background:var(--void);font-family:var(--body);margin:0;overflow-x:hidden}body:has(dialog[open]){overflow:hidden}button,input{color:inherit;font:inherit}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--violet-bright);outline-offset:4px}button:disabled{cursor:not-allowed}.surface-grain{z-index:0;pointer-events:none;opacity:.038;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.84' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.52'/%3E%3C/svg%3E");position:fixed;inset:0}.site-shell{z-index:1;width:min(1600px,100%);min-height:100vh;margin:0 auto;padding:18px clamp(18px,4vw,68px) 0;position:relative}.topbar{z-index:4;border-bottom:1px solid var(--line-strong);grid-template-columns:1fr auto 1fr;align-items:center;min-height:72px;display:grid;position:relative}.brand-button,.account-button,.product-nav button{cursor:pointer;background:0 0;border:0}.brand-button{justify-self:start;align-items:center;min-height:50px;padding:0;display:inline-flex}.brand-word{letter-spacing:-.04em;font-size:1.1rem;font-weight:840;transition:color .16s}.brand-button:hover .brand-word,.brand-button:focus-visible .brand-word{color:var(--violet-bright)}.product-nav{justify-content:center;align-items:center;gap:clamp(20px,4vw,58px);min-height:44px;display:flex}.product-nav button,.nav-future{padding:10px 0;font-size:.86rem;font-weight:780}.nav-current{color:var(--chalk)}.nav-current:hover{color:var(--violet-bright)}.nav-future{color:var(--muted)}.nav-future small{color:var(--violet-bright);margin-left:5px;font-size:.68rem;font-weight:760}.account-button{max-width:240px;min-height:44px;color:var(--muted);align-items:center;gap:9px;padding:0 0 0 10px;font-size:.86rem;font-weight:760;display:inline-flex}.topbar-actions{justify-self:end;align-items:center;gap:clamp(12px,2vw,24px);min-width:0;display:flex}.contact-link{color:var(--muted);font-size:.76rem;font-weight:720;text-decoration:none}.contact-link:hover,.contact-link:focus-visible{color:var(--chalk)}#authButtonLabel{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.account-button:hover,.account-button.is-signed-in{color:var(--chalk)}.account-status{background:var(--violet-dim);border-radius:50%;width:8px;height:8px}.account-button.is-signed-in .account-status{background:var(--violet-bright)}.account-premium-mark{color:#d8c9e7;letter-spacing:.035em;flex:none;align-items:center;gap:6px;font-size:.68rem;font-weight:780;display:inline-flex}.account-premium-mark:before{content:"";background:#b995d1;border-radius:1px;width:6px;height:6px;transform:rotate(45deg)}.account-premium-mark[hidden]{display:none}.lobby-intro{isolation:isolate;grid-template-rows:auto 1fr auto;grid-template-columns:minmax(0,1.5fr) minmax(260px,.5fr);align-items:end;min-height:calc(100svh - 90px);padding:clamp(38px,7vh,94px) 0 clamp(42px,7vh,82px);display:grid;position:relative;overflow:hidden}.lobby-intro:before{content:"";z-index:-2;clip-path:polygon(14% 0,100% 7%,84% 100%,0 88%);background:linear-gradient(118deg,#3f19511f,#6a308b85 74%,#a66bff94);position:absolute;inset:5% -8% 5% 35%}.lobby-intro:after{content:"";z-index:-1;clip-path:polygon(12% 0,100% 16%,86% 100%,0 78%);background:#c9a4ff13;width:44%;height:24%;position:absolute;bottom:12%;left:38%}.hero-index{color:var(--muted);grid-column:1;align-self:start;margin:0;font-size:.82rem;font-weight:740}.lobby-intro h1{max-width:1180px;font-family:var(--display);letter-spacing:-.026em;text-transform:uppercase;grid-column:1/-1;align-self:center;margin:0;font-size:clamp(5.4rem,12.6vw,13.2rem);font-weight:900;font-stretch:75%;line-height:.78}.lobby-intro h1 span{white-space:nowrap;display:block}.lobby-intro h1 span:last-child{color:var(--violet-bright);margin-left:clamp(24px,7vw,100px);font-size:.72em}.hero-note{grid-area:3/2;justify-self:end;width:min(100%,420px)}.hero-note p{color:#ded0e5;margin:0 0 20px;font-size:clamp(1rem,1.4vw,1.2rem);line-height:1.52}.hero-note a{color:var(--chalk);align-items:center;gap:18px;font-weight:780;text-decoration:none;display:inline-flex}.hero-note a:hover{color:var(--violet-bright)}.hero-note a span{transition:transform .18s}.hero-note a:hover span{transform:translate(3px,3px)}.hero-spec{color:var(--muted);grid-area:3/1;align-self:end;align-items:center;gap:clamp(18px,4vw,58px);font-size:.78rem;display:flex}.hero-spec span{align-items:baseline;gap:8px;display:inline-flex}.hero-spec b{color:var(--chalk);font-family:var(--data);font-size:1rem}.trial-section-head{grid-template-columns:minmax(0,1fr) minmax(260px,.55fr);align-items:end;gap:clamp(28px,7vw,120px);padding:clamp(80px,13vh,150px) 0 clamp(48px,8vh,80px);display:grid}.trial-section-head h2{font-family:var(--display);letter-spacing:-.018em;text-transform:uppercase;margin:0;font-size:clamp(3.4rem,8vw,8rem);font-weight:900;line-height:.86}.trial-section-head p{color:var(--muted);margin:0 0 6px;line-height:1.58}.trial-ledger{border-top:1px solid var(--line-strong)}.trial-row{border-bottom:1px solid var(--line-strong);grid-template-columns:72px minmax(260px,1fr) minmax(140px,.36fr) minmax(190px,250px);align-items:center;gap:clamp(16px,3vw,52px);min-height:188px;padding:28px 0;display:grid}.trial-number{color:var(--violet-bright);font-family:var(--data);border-right:1px solid var(--line);align-self:stretch;place-items:center;font-size:.86rem;display:grid}.trial-copy h3{font-family:var(--display);letter-spacing:-.015em;text-transform:uppercase;margin:0 0 11px;font-size:clamp(2.5rem,5vw,5.1rem);font-weight:900;line-height:.84}.trial-copy p{max-width:620px;color:var(--muted);margin:0;font-size:.98rem;line-height:1.5}.trial-data{min-width:0}.trial-data strong{color:var(--violet-bright);font-family:var(--data);letter-spacing:-.04em;font-size:clamp(1.45rem,3vw,2.4rem);font-weight:650;display:block}.trial-data span{color:var(--muted);margin-top:5px;font-size:.77rem;display:block}.launch-button,.primary-action,.secondary-action,.danger-action,.back-button,.purchase-button,.google-button,.sign-out-button{cursor:pointer;border:0;border-radius:0;font-weight:790}.launch-button{width:100%;min-height:60px;color:var(--ink);background:var(--violet-bright);clip-path:polygon(0 0,calc(100% - 14px) 0,100% 14px,100% 100%,14px 100%,0 calc(100% - 14px));justify-content:space-between;align-items:center;padding:0 20px;display:flex}.launch-button:hover,.launch-button:focus-visible{color:var(--chalk);background:var(--plum-raised)}.diagonal-arrow{font-size:1.25rem;transition:transform .18s}.launch-button:hover .diagonal-arrow,.purchase-button:hover span:last-child{transform:translate(3px,-3px)}.access-section{color:var(--ink);background:var(--violet-bright);clip-path:polygon(0 0,calc(100% - 44px) 0,100% 44px,100% 100%,0 100%);grid-template-columns:minmax(280px,1.1fr) minmax(240px,.7fr) minmax(250px,.65fr);align-items:end;gap:clamp(32px,6vw,90px);margin:clamp(90px,16vh,180px) calc(-1*clamp(18px,4vw,68px)) 0;padding:clamp(58px,9vw,118px) clamp(18px,4vw,68px);display:grid;position:relative}.access-copy h2{font-family:var(--display);letter-spacing:-.015em;text-transform:uppercase;margin:0 0 22px;font-size:clamp(3.2rem,6vw,6.2rem);line-height:.86}.access-copy p{max-width:580px;margin:0;font-weight:610;line-height:1.5}.access-manifest{margin:0}.access-manifest div{border-bottom:1px solid #190c2040;grid-template-columns:72px 1fr;gap:12px;padding:12px 0;display:grid}.access-manifest dt{color:var(--ink);font-size:.78rem;font-weight:760}.access-manifest dd{margin:0;font-weight:750}.access-action p{min-height:40px;margin:0 0 14px;font-size:.8rem;font-weight:650;line-height:1.4}.purchase-button{width:100%;min-height:64px;color:var(--chalk);background:var(--ink);clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,0 100%);justify-content:space-between;align-items:center;padding:0 20px;display:flex}.purchase-button:hover{color:var(--ink);background:var(--chalk)}.purchase-button:disabled{color:#190c20a6;background:#fffafd6b}.purchase-button span:last-child{font-size:1.25rem;transition:transform .18s}.site-footer{color:var(--muted);grid-template-columns:1fr minmax(260px,.8fr) minmax(200px,.5fr);align-items:end;gap:30px;padding:34px 0 28px;font-size:.78rem;display:grid}.site-footer p{margin:0;line-height:1.45}.site-footer a,.home-footer a{color:var(--chalk);text-decoration:underline;-webkit-text-decoration-color:var(--violet-dim);text-decoration-color:var(--violet-dim);text-underline-offset:3px}.site-footer a:hover,.site-footer a:focus-visible,.home-footer a:hover,.home-footer a:focus-visible{color:var(--violet-bright)}.footer-brand{color:var(--chalk);font-size:1.1rem;font-weight:760}.footer-brand strong{color:var(--violet-bright)}.game-view{min-height:calc(100vh - 92px);padding:clamp(34px,6vh,66px) 0 68px}.game-header{border-bottom:1px solid var(--line-strong);grid-template-columns:minmax(130px,.5fr) minmax(300px,1.3fr) minmax(280px,.7fr);align-items:end;gap:26px;padding-bottom:24px;display:grid}.back-button{min-height:48px;color:var(--muted);background:0 0;justify-self:start;padding:8px 0}.back-button:hover{color:var(--violet-bright)}.game-heading span{color:var(--violet-bright);font-family:var(--data);margin-bottom:7px;font-size:.78rem;display:block}.game-heading h1{font-family:var(--display);letter-spacing:-.015em;text-transform:uppercase;margin:0;font-size:clamp(3.2rem,6.5vw,7rem);line-height:.82}.difficulty-control{border:1px solid var(--line-strong);background:var(--plum);grid-template-columns:repeat(3,1fr);display:grid}.difficulty-control button{border:0;border-right:1px solid var(--line);min-height:50px;color:var(--muted);cursor:pointer;background:0 0;font-size:.8rem;font-weight:760}.difficulty-control button:last-child{border-right:0}.difficulty-control button:hover{color:var(--chalk);background:var(--plum-raised)}.difficulty-control button.active{color:var(--ink);background:var(--violet-bright)}.game-mount{padding-top:clamp(28px,5vh,48px)}.game-stage{grid-template-columns:minmax(250px,350px) minmax(0,1fr);align-items:start;gap:clamp(32px,6vw,86px);display:grid}.brief-panel{position:sticky;top:24px}.brief-panel h2{font-family:var(--display);letter-spacing:-.012em;text-transform:uppercase;margin:0 0 18px;font-size:clamp(2.5rem,4vw,4.2rem);line-height:.87}.brief-panel p{color:var(--muted);margin:0 0 20px;line-height:1.52}.rule-list{border-top:1px solid var(--line-strong);margin:0 0 26px;padding:0;list-style:none}.rule-list li{border-bottom:1px solid var(--line);color:var(--muted);grid-template-columns:38px 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strong{color:var(--chalk);font-family:var(--data);text-overflow:ellipsis;white-space:nowrap;font-size:clamp(.84rem,2vw,1.12rem);display:block;overflow:hidden}.panel-message{color:#4d3658;text-align:center;min-height:27px;margin:0 0 16px;font-weight:720}.maze-board,.path-board{--board-size:min(67vw, 590px);width:var(--board-size);aspect-ratio:1;border:4px solid var(--ink);background:var(--chalk);touch-action:manipulation;max-width:100%;margin:0 auto;display:grid}.maze-board{grid-template-columns:repeat(var(--maze-grid-size,12), 1fr)}.maze-cell,.path-cell{background:var(--chalk);cursor:pointer;border:1px solid #190c201a;border-top:0;border-left:0;min-width:0;position:relative}.maze-cell:hover,.path-cell:hover{background:#e1d2e9}.maze-cell.player:before{content:"";z-index:3;aspect-ratio:1;background:var(--ink);clip-path:polygon(50% 0,100% 100%,50% 76%,0 100%);width:46%;transition:transform 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button{min-width:48px;min-height:48px;color:var(--chalk);background:var(--ink);cursor:pointer;font-family:var(--data);border:0;place-items:center;font-size:1.2rem;font-weight:780;display:grid}.maze-pad button:hover,.maze-pad button:focus-visible{color:var(--ink);background:var(--violet-bright)}.maze-pad button[data-maze-direction=u]{grid-column:2}.maze-pad button[data-maze-direction=l]{grid-area:2/1}.maze-pad button[data-maze-direction=d]{grid-area:2/2}.maze-pad button[data-maze-direction=r]{grid-area:2/3}.game-actions{grid-template-columns:1fr 1fr;gap:10px;margin-top:18px;display:grid}.math-board{min-height:470px}.expression-row{flex-wrap:wrap;justify-content:center;align-items:center;gap:clamp(12px,2.2vw,24px);min-height:290px;padding:24px 0;display:flex}.expression-disc{aspect-ratio:1;border:3px solid var(--ink);width:clamp(94px,11vw,134px);color:var(--ink);background:var(--chalk);cursor:pointer;font-family:var(--data);border-radius:50%;place-items:center;font-size:clamp(.82rem,1.2vw,1rem);font-weight:800;transition:background-color .15s,color .15s;display:grid;position:relative}.expression-disc>span:first-child{letter-spacing:-.035em;white-space:nowrap}.expression-disc:hover{background:#dfccec}.expression-disc.selected{color:var(--chalk);background:var(--ink)}.expression-disc .order-mark{aspect-ratio:1;width:30%;color:var(--ink);background:var(--violet-bright);border-radius:50%;place-items:center;font-size:.78rem;display:grid;position:absolute;top:5%;right:4%}.math-feedback{min-height:44px;color:var(--ink);font-family:var(--display);text-align:center;text-transform:uppercase;margin:0;font-size:clamp(1.6rem,3vw,2.8rem);line-height:1}.mf-wrapper{color:#1a1a1a;text-align:center;flex-direction:column;justify-content:center;align-items:center;max-width:580px;margin:0 auto;padding:24px 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