:root{--night:#0c1b2b;--panel:#172b3c;--line:#304657;--mint:#a9e5ce;--coral:#f37b61;--text:#f3f7f4;--muted:#a5b5c3;--paper:#f2f1e9;color-scheme:dark;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:var(--night);font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0}a{color:inherit}button{font:inherit;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--coral);outline-offset:5px}img{display:block;width:100%;height:auto;object-fit:cover}h1,h2,h3,p,figure{margin:0}h1,h2,h3{letter-spacing:-.055em;line-height:1.02}h1{font-size:clamp(58px,7.6vw,112px)}h2{font-size:clamp(38px,5vw,72px)}h3{font-size:26px}p{line-height:1.65}.skip{position:fixed;z-index:10;top:10px;left:10px;transform:translateY(-170%);padding:14px;background:var(--mint);color:var(--night)}.skip:focus{transform:none}.site-head{max-width:1480px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:25px;padding:28px 5vw}.brand{font-size:30px;font-weight:800;letter-spacing:-.06em;text-decoration:none;display:inline-flex;align-items:center;gap:12px}.brand-mark{width:27px;height:27px;display:grid;grid-template-columns:repeat(2,1fr);gap:4px;transform:rotate(-5deg)}.brand-mark i{background:var(--mint);border-radius:4px}.brand-mark i:first-child{background:var(--coral);border-radius:50%}.site-head nav{display:flex;gap:30px;align-items:center;font-size:13px}.site-head nav a{display:inline-flex;min-height:44px;align-items:center;text-decoration:none;color:var(--muted)}.site-head nav a:hover{color:var(--mint)}.site-head nav a:last-child{border:1px solid var(--line);padding:0 20px;border-radius:24px}.mini-label{display:block;font-size:10px;font-weight:700;letter-spacing:.16em;color:var(--mint)}.hero{max-width:1480px;padding:36px 5vw 90px;margin:auto}.hero-topline{display:flex;justify-content:space-between;padding-bottom:23px;color:var(--muted);font-size:10px;letter-spacing:.1em;border-bottom:1px solid var(--line)}.hero-board{display:grid;grid-template-columns:1fr 1.08fr;gap:5vw;align-items:center;padding-top:36px}.hero-copy h1{margin:18px 0 25px}.hero-copy h1 em{font-style:normal;color:var(--mint)}.hero-copy>p{max-width:420px;font-size:17px;color:var(--muted)}.hero-side{position:relative}.hero-side img{aspect-ratio:.96;border-radius:34px 34px 120px 34px}.hero-side:after{content:"BALL → GATE → RIBBON";position:absolute;left:24px;right:24px;bottom:24px;background:var(--night);color:var(--mint);padding:20px;border-radius:18px;font-size:11px;letter-spacing:.15em;text-align:center}.pill{display:inline-flex;align-items:center;justify-content:center;gap:45px;padding:17px 25px;background:var(--mint);border-radius:30px;text-decoration:none;color:var(--night);font-size:14px;font-weight:700;margin-top:28px;min-height:50px}.hero-caption{max-width:720px;display:flex;gap:25px;align-items:center;padding-top:30px;font-size:13px;color:var(--muted)}.hero-caption:before{content:"↳";font-size:40px;color:var(--coral)}.play-section{background:var(--panel);padding:65px 5vw}.play-wrap{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:9vw;max-width:1180px;margin:auto}.sample-title h2{margin:20px 0 24px}.sample-title>p{max-width:400px;color:var(--muted)}.sample-panel{padding:25px;border:1px solid #476174;border-radius:28px;background:var(--night)}.sample-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.sample-cell{aspect-ratio:1;border:1px solid #426273;border-radius:17px;background:#244254;color:var(--text);font-size:34px;min-width:0;transition:background .18s,transform .18s}.sample-cell:active{transform:scale(.95)}.sample-cell.blocked{background:#152735;border-color:#1b3243}.sample-cell.blocked:after{content:"/";font-size:26px;color:#536e80}.sample-cell.start{color:var(--coral)}.sample-cell.gate{color:var(--mint)}.sample-cell.hint{box-shadow:inset 0 0 0 2px var(--mint)}.sample-cell.path{background:var(--mint);color:var(--night)}.sample-state{margin-top:20px}.sample-state p{font-size:13px;color:var(--muted);min-height:44px}.sample-state button{border:0;border-top:1px solid var(--line);background:transparent;color:var(--mint);padding:15px 0 0;margin-top:14px;min-height:48px;width:100%;text-align:left;font-size:13px}.noscript{padding:15px;font-size:13px}.how,.chapters{max-width:1480px;padding:88px 5vw;margin:auto}.section-heading{display:grid;grid-template-columns:1fr 1fr;gap:20px 8vw;align-items:end;margin-bottom:38px}.section-heading>.mini-label{grid-column:1/-1}.section-heading p{color:var(--muted);max-width:470px;font-size:15px}.study-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.study-grid img{aspect-ratio:1;border-radius:20px}.study-grid figcaption{padding:23px 0;display:grid;grid-template-columns:25px 1fr;gap:10px}.study-grid figcaption>span{font-size:10px;color:var(--coral);padding-top:6px}.study-grid h3{font-size:23px;margin-bottom:12px}.study-grid p{font-size:13px;color:var(--muted)}.progress-story{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:6vw;background:var(--mint);color:var(--night);padding:80px max(5vw,calc((100vw - 1332px)/2))}.progress-copy .mini-label{color:#315c56}.progress-copy h2{margin:20px 0 26px}.progress-copy p{max-width:460px;font-size:16px}.progress-images{display:grid;grid-template-columns:1.1fr 1fr;gap:15px;align-items:center}.progress-images img{aspect-ratio:1;border-radius:22px}.progress-images img:first-child{grid-row:1/3;aspect-ratio:.65}.progress-images img:last-child{width:80%}.chapter-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.chapter-lane{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);border-radius:23px;overflow:hidden}.chapter-lane img{order:-1;aspect-ratio:1.3}.chapter-copy{padding:25px}.chapter-copy h3{margin:12px 0 15px}.chapter-copy p{font-size:13px;color:var(--muted)}.last-word{max-width:1336px;margin:0 auto 85px;display:grid;grid-template-columns:1fr 1fr;background:var(--panel);border-radius:30px;overflow:hidden}.last-word>div{padding:50px;align-self:center}.last-word h2{font-size:clamp(40px,4.8vw,65px);margin:20px 0}.last-word p{font-size:14px;color:var(--muted);max-width:350px}.last-word a{display:inline-flex;min-height:48px;align-items:center;margin-top:20px;color:var(--mint);font-size:13px}.last-word img{height:100%;min-height:420px}footer{padding:35px 5vw;display:flex;align-items:center;justify-content:space-between;gap:30px;border-top:1px solid var(--line);font-size:12px}footer>span{color:var(--muted)}footer>a:last-child{display:inline-flex;min-height:44px;align-items:center}
.privacy-page{background:var(--paper);color:var(--night);color-scheme:light}.privacy-page .site-head{max-width:none;background:var(--night);color:var(--text)}.privacy-head-label{font-size:10px;letter-spacing:.14em;color:var(--muted);margin-left:auto}.privacy-page .site-head>a:last-child{font-size:12px;min-height:44px;display:inline-flex;align-items:center}.privacy-main{max-width:1360px;padding:0 5vw;margin:auto}.policy-intro{padding:65px 0 45px;display:grid;grid-template-columns:1.3fr 1fr;align-items:end;gap:20px 50px;border-bottom:1px solid #b5c0bf}.policy-intro .mini-label{grid-column:1/-1;color:#3d6d65}.policy-intro h1{font-size:clamp(58px,7vw,96px)}.policy-intro p{font-size:17px;max-width:410px}.policy-contents{padding:35px 0 45px;border-bottom:1px solid #b5c0bf}.policy-contents>div{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:25px}.policy-contents .mini-label{color:#3d6d65}.policy-contents p{font-size:12px;color:#526473}.policy-contents ol{display:grid;grid-template-columns:repeat(3,1fr);list-style:none;gap:5px 30px;padding:0;margin:0}.policy-contents a{display:flex;align-items:center;gap:12px;min-height:44px;font-size:13px;border-bottom:1px solid #d2d9d3;text-decoration:none}.policy-contents a:hover{text-decoration:underline}.policy-contents a span{color:#456f66;font-size:10px}.ledger-entry{display:grid;grid-template-columns:55px 1fr 150px;gap:30px;border-bottom:1px solid #c9d1c9;padding:42px 0;scroll-margin-top:22px}.ledger-number{font-size:27px;color:#78988c;letter-spacing:-.06em}.ledger-prose h2{font-size:30px;margin-bottom:18px}.ledger-prose p{font-size:15px;line-height:1.85;max-width:720px;overflow-wrap:anywhere}.ledger-prose a{font-size:11px;color:#386a5a;display:inline-flex;min-height:44px;align-items:center;margin-top:12px}.ledger-entry img{aspect-ratio:1;border-radius:50% 50% 14px 14px}.policy-end{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:35px 0 55px;font-size:12px}.policy-end span{font-size:10px;letter-spacing:.14em}.policy-end a{min-height:44px;display:inline-flex;align-items:center}.privacy-page footer{background:var(--night);color:var(--text)}
@media(max-width:900px){.site-head nav{gap:16px}.hero-board{gap:30px}.hero-copy h1{font-size:64px}.study-grid{grid-template-columns:repeat(2,1fr);gap:25px}.chapter-list{grid-template-columns:repeat(2,1fr)}.last-word{margin:0 5vw 60px}.last-word>div{padding:30px}.policy-contents ol{grid-template-columns:repeat(2,1fr)}.ledger-entry{grid-template-columns:38px 1fr 100px;gap:20px}}
@media(max-width:600px){.site-head{padding:18px 22px;flex-wrap:wrap;gap:8px 20px}.brand{font-size:27px}.site-head nav{width:100%;justify-content:space-between;gap:10px;font-size:10px}.site-head nav a:last-child{padding:0 13px}.hero{padding:24px 22px 48px}.hero-topline{font-size:8px}.hero-topline>span:last-child{display:none}.hero-board{grid-template-columns:1fr;gap:30px;padding-top:26px}.hero-copy h1{font-size:clamp(57px,14.5vw,78px);margin-top:14px}.hero-copy>p{font-size:15px}.hero-side img{aspect-ratio:1.25;border-radius:24px 24px 70px 24px}.hero-side:after{bottom:18px;left:18px;right:18px;padding:16px;font-size:9px}.hero-caption{font-size:12px;padding-top:20px}.play-section{padding:42px 22px}.play-wrap{display:block}.sample-title{margin-bottom:27px}.sample-title h2{font-size:43px;margin:15px 0}.sample-title>p{font-size:14px}.sample-panel{padding:17px;border-radius:24px}.sample-cell{font-size:28px;border-radius:13px}.how,.chapters{padding:50px 22px}.section-heading{display:block;margin-bottom:28px}.section-heading h2{font-size:43px;margin:15px 0 20px}.section-heading p{font-size:14px}.study-grid{gap:23px 14px}.study-grid img{border-radius:15px}.study-grid figcaption{display:block;padding:14px 0}.study-grid h3{font-size:21px;margin:8px 0}.study-grid p{font-size:12px}.progress-story{padding:45px 22px;display:block}.progress-copy h2{font-size:45px}.progress-copy p{font-size:14px}.progress-images{margin-top:28px;gap:12px}.chapter-list{gap:15px}.chapter-copy{padding:17px 13px}.chapter-copy h3{font-size:25px}.chapter-copy .mini-label{font-size:8px;letter-spacing:.07em}.chapter-copy p{font-size:12px}.chapter-lane{border-radius:17px}.last-word{display:block;margin:0 22px 48px}.last-word>div{padding:30px 24px}.last-word img{height:230px;min-height:0}.last-word h2{font-size:43px}footer{padding:25px 22px;flex-wrap:wrap;gap:14px 22px}footer>span{order:3;width:100%;font-size:11px}.privacy-head-label{display:none}.privacy-page .site-head>a:last-child{margin-left:auto;font-size:10px}.privacy-main{padding:0 22px}.policy-intro{display:block;padding:40px 0 32px}.policy-intro h1{font-size:58px;margin:15px 0 24px}.policy-intro p{font-size:15px}.policy-contents>div{display:block}.policy-contents>div p{margin-top:9px}.policy-contents ol{grid-template-columns:1fr}.ledger-entry{grid-template-columns:30px 1fr;gap:15px;padding:30px 0}.ledger-number{font-size:24px}.ledger-prose h2{font-size:26px}.ledger-prose p{font-size:14px}.ledger-entry img{grid-column:2;width:80px;margin-top:0}.policy-end{flex-wrap:wrap;font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* App-specific contact surface, version 1.1.1. */
.site-head nav{flex-wrap:wrap}.contact-card{max-width:1296px;margin:0 auto 70px;padding:44px;display:grid;grid-template-columns:1fr 1fr;gap:30px 65px;background:var(--panel);border:1px solid var(--line);border-radius:20px}.contact-card h2{font-size:44px;margin:18px 0 26px}.contact-card h3{font-size:25px;letter-spacing:-.025em;line-height:1.2;margin-bottom:14px}.contact-card .registry-address{max-width:360px;color:var(--muted);font-size:14px}.contact-card dl{margin:0;min-width:0}.contact-card dt{color:var(--mint);font-size:10px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:7px}.contact-card dd{margin:0 0 20px;font-size:15px;line-height:1.6;overflow-wrap:anywhere}.contact-card a{display:inline-block;min-height:44px;overflow-wrap:anywhere;max-width:100%;text-underline-offset:4px}.ledger-prose p a{display:inline;min-height:0;margin:0;font-size:inherit;overflow-wrap:anywhere}@media(max-width:900px){.contact-card{margin:0 5vw 60px;gap:30px;padding:32px}}@media(max-width:600px){.contact-card{margin:0 22px 48px;padding:27px 22px;display:block}.contact-card h2{font-size:38px}.contact-card dl{margin-top:27px}.contact-card dd{font-size:14px}.site-head nav{justify-content:flex-start;column-gap:18px}}