:root{color-scheme:dark;--color-midnight-ink: #05060f;--color-graphite-plate: #2f343e;--color-steel-border: #3f4959;--color-fog: #81899b;--color-pebble: #9da7ba;--color-moonlight: #c7d3ea;--color-ice: #d1e4fa;--color-glacier: #d8ecf8;--color-frost-link: #b6d9fc;--color-electric-iris: #663af3;--color-ember: #e46d4c;--color-azure: #027dea;--color-cipher-mint: #269684;--font-untitled-sans: "Untitled Sans", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-aeonikpro: "aeonikPro", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-dotdigital: "dotDigital", "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--page-max-width: 1200px;--radius-sm: 2px;--radius-md: 6px;--radius-lg: 10px;--radius-xl: 16px;--radius-full: 999px;--shadow-card: inset 0 1px 1px rgba(199, 211, 234, .12), inset 0 24px 48px rgba(199, 211, 234, .05), 0 24px 32px rgba(6, 6, 14, .7);--shadow-line: inset 0 0 0 1px rgba(186, 215, 247, .12);font-family:var(--font-untitled-sans)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--color-moonlight);background:linear-gradient(rgba(186,215,247,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(186,215,247,.035) 1px,transparent 1px),linear-gradient(180deg,rgba(184,209,247,.1),transparent 28rem),var(--color-midnight-ink);background-size:40px 40px,40px 40px,100% 100%,auto;font-size:16px;line-height:1.5}body:before{position:fixed;inset:0;z-index:-1;pointer-events:none;content:"";background:linear-gradient(90deg,transparent,rgba(216,236,248,.08),transparent),linear-gradient(180deg,rgba(5,6,15,0),var(--color-midnight-ink) 76%);opacity:.75}a{color:inherit}.site-header,.site-footer,main{width:min(var(--page-max-width),calc(100% - 32px));margin:0 auto}.site-header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:24px 0 18px}.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-family:var(--font-aeonikpro);font-size:1.05rem;font-weight:500;text-decoration:none}.brand img{width:42px;height:42px;border-radius:var(--radius-md);box-shadow:var(--shadow-line),0 0 18px #bacff72e}nav{display:flex;align-items:center;gap:8px;color:var(--color-moonlight);font-size:.9rem}nav a{padding:8px 12px;border-radius:var(--radius-full);color:var(--color-moonlight);text-decoration:none}nav a:hover,nav a:focus-visible{color:var(--color-glacier);background:#c7d3ea14;outline:none}.hero{position:relative;display:grid;justify-items:center;gap:48px;min-height:calc(100vh - 92px);padding:74px 0 112px;text-align:center}.hero:before{position:absolute;inset:0;z-index:-1;border-radius:var(--radius-xl);content:"";background:linear-gradient(var(--color-midnight-ink),var(--color-midnight-ink)) padding-box,conic-gradient(from 180deg at 50% -10%,transparent,rgba(124,145,182,.45),transparent 34%) border-box;border:1px solid transparent;opacity:.9}.hero-copy{width:min(820px,100%)}.eyebrow,.section-kicker{margin:0 0 14px;color:var(--color-fog);font-family:var(--font-dotdigital);font-size:.88rem;font-weight:400;letter-spacing:0;line-height:1.2;text-transform:uppercase}.eyebrow{display:inline-flex;align-items:center;gap:12px}.eyebrow:before,.eyebrow:after{width:34px;height:1px;content:"";background:#c7d3ea3d}h1,h2,h3,p{overflow-wrap:anywhere}h1,h2{margin:0;color:var(--color-glacier);font-family:var(--font-aeonikpro);font-weight:500;letter-spacing:0}h1{color:#fff;font-size:clamp(4.2rem,14vw,8.8rem);line-height:.92}h2{font-size:clamp(2rem,5vw,3rem);line-height:1.14}h3{margin:0 0 10px;color:var(--color-ice);font-size:1.25rem;font-weight:600;line-height:1.2}.lead{max-width:720px;margin:24px auto 0;color:var(--color-pebble);font-size:clamp(1.08rem,2vw,1.2rem);line-height:1.5}.hero-actions,.download{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}.hero-actions{margin-top:30px}.play-button{display:inline-flex;align-items:center;min-height:52px;gap:12px;padding:10px 16px;border:1px solid var(--color-electric-iris);border-radius:var(--radius-sm);background:var(--color-electric-iris);color:#fff;font-weight:600;line-height:1.05;text-decoration:none}.play-button:hover,.play-button:focus-visible{background:#7650ff;outline:2px solid rgba(182,217,252,.36);outline-offset:3px}.play-button small{display:block;margin-bottom:3px;color:#ffffffb8;font-size:.72rem;font-weight:500}.play-mark{display:grid;place-items:center;width:28px;height:28px;border-radius:var(--radius-sm);background:#ffffff1f;color:#fff;font-size:.85rem}.secondary-link{display:inline-flex;align-items:center;min-height:52px;padding:10px 16px;border-radius:var(--radius-sm);color:var(--color-moonlight);font-weight:500;text-decoration:none;box-shadow:inset 0 0 0 1px #bad7f71f}.secondary-link:hover,.secondary-link:focus-visible{color:var(--color-glacier);background:#c7d3ea0f;outline:none}.app-preview{width:min(760px,100%);padding:1px;border-radius:var(--radius-xl);background:conic-gradient(from 180deg at 50% -5%,transparent,rgba(124,145,182,.5),transparent 38%)}.preview-shell{padding:24px;border-radius:var(--radius-xl);background:#2f343ee0;box-shadow:var(--shadow-card);text-align:left}.preview-topbar{display:flex;gap:6px;padding-bottom:18px;border-bottom:1px solid rgba(63,73,89,.78)}.preview-dot{width:8px;height:8px;border-radius:var(--radius-full);background:#c7d3ea47}.preview-brand{display:flex;align-items:center;gap:16px;padding:22px 0}.preview-brand img{width:72px;height:72px;border-radius:var(--radius-lg);box-shadow:var(--shadow-line),0 0 24px #bacff738}.preview-brand span{display:block;color:var(--color-fog);font-size:.85rem}.preview-brand strong{display:block;color:var(--color-glacier);font-family:var(--font-aeonikpro);font-size:clamp(1.6rem,5vw,2.15rem);font-weight:500;line-height:1.12}.quiz-panel{padding:24px;border:1px solid rgba(63,73,89,.9);border-radius:var(--radius-lg);background:#05060f94;box-shadow:inset 0 0 0 1px #bad7f70f,inset 0 36px 80px #bad7f70a}.quiz-meta{margin:0 0 10px;color:var(--color-frost-link);font-size:.82rem;font-weight:600}.quiz-panel h2{max-width:560px;color:#fff;font-size:clamp(1.45rem,5vw,2.35rem)}.answer-list{display:grid;gap:10px;margin-top:22px}.answer-list span{padding:12px 14px;border-radius:var(--radius-sm);color:var(--color-moonlight);background:#2f343eb3;box-shadow:inset 0 0 0 1px #bad7f71a}.answer-list .is-correct{color:#fff;background:var(--color-electric-iris);box-shadow:0 0 18px #663af347}.preview-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:14px}.preview-stats span{min-height:42px;padding:11px 12px;border-radius:var(--radius-md);color:var(--color-ice);font-size:.82rem;text-align:center;box-shadow:inset 0 0 0 1px #bad7f71f}.intro,.topics,.answer-block,.faq,.download,.legal-hero,.legal-content{padding:72px 0}.intro{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1fr);gap:52px;align-items:start;border-top:1px solid rgba(63,73,89,.75)}.intro>p,.answer-block p,.legal-hero p{margin:0;color:var(--color-pebble);font-size:1.08rem}.benefits{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.benefits article,.legal-content article{min-height:210px;padding:24px;border:1px solid rgba(63,73,89,.9);border-radius:var(--radius-lg);background:#2f343eb8;box-shadow:var(--shadow-line)}.benefits p,.faq p,.legal-content p{margin:0;color:var(--color-pebble)}.section-heading{max-width:820px;margin:0 auto;text-align:center}.topics{text-align:center;display:flex;flex-direction:column;align-items:center}.topics ul{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;padding:0;margin:34px auto 0;max-width:1100px;width:100%;list-style:none}.topics li{display:flex;align-items:center;justify-content:center;min-height:118px;padding:18px;border-radius:var(--radius-md);background:#2f343ea8;color:var(--color-ice);font-weight:600;box-shadow:var(--shadow-line);text-align:center}.answer-block{max-width:860px}.answer-block p{margin-top:24px}.faq details{margin-top:14px;border-radius:var(--radius-lg);background:#2f343ea8;box-shadow:var(--shadow-line)}.faq summary{cursor:pointer;padding:20px 22px;color:var(--color-glacier);font-weight:600}.faq details p{padding:0 22px 22px}.faq a,.site-footer a,.legal-content a{color:var(--color-frost-link)}.download{justify-content:space-between;margin-bottom:48px;padding:28px;border:1px solid rgba(63,73,89,.9);border-radius:var(--radius-lg);background:linear-gradient(90deg,#663af32e,#2f343eb8),#2f343ed6;box-shadow:var(--shadow-card);text-align:left}.download h2{font-size:clamp(1.9rem,3vw,2.7rem)}.play-button-dark{background:var(--color-electric-iris)}.site-footer{display:flex;justify-content:space-between;gap:18px;padding:26px 0 40px;border-top:1px solid rgba(63,73,89,.75);color:var(--color-fog);font-size:.94rem}.legal-page{max-width:900px}.legal-hero{border-top:1px solid rgba(63,73,89,.75)}.legal-hero h1{margin-bottom:24px;font-size:clamp(3rem,8vw,5.8rem);line-height:.95}.legal-content{display:grid;gap:18px}.legal-content article{min-height:0}.legal-content h2{margin-bottom:10px;font-size:1.45rem}@media(max-width:860px){.site-header{align-items:flex-start;flex-direction:column}nav{width:100%;overflow-x:auto;padding-bottom:4px}.hero{min-height:auto;padding-top:50px}.intro,.benefits,.topics ul{grid-template-columns:1fr}.topics 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