@font-face{font-family:"CoFo Brilliant";src:url("/landing/fonts/cofo-brilliant-regular.sub.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"CoFo Brilliant";src:url("/landing/fonts/cofo-brilliant-italic.sub.woff2") format("woff2");font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:"CoFo Brilliant";src:url("/landing/fonts/cofo-brilliant-medium.sub.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"CoFo Brilliant";src:url("/landing/fonts/cofo-brilliant-bold.sub.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:"CoFo Robert";src:url("/landing/fonts/cofo-robert-medium.sub.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}
.bl-root{
  --accent:#29cc57;            
  --accent-ink:#fff;
  --ink:#000;
  --muted:rgba(0,0,0,.5);
  --faint:rgba(0,0,0,.32);
  --hairline:rgba(0,0,0,.08);
  --page:#f8f6f1;            
  --warm:#f3f1ed;
  --tint-1:#eaf3f8; --tint-2:#fbeee4; --tint-3:#eef2e6; --tint-4:#f1f1f1;
  --blue:#274ac3; --purple:#b588fe; --pink:#fc68d3;
  
  --correct:#2156d9; --correct-tint:#dde7ff; --correct-ink:#16389c; --retry:#e59a1a; --miss:#d23b3b; --amber:#ffb84d;
  --sans:"CoFo Brilliant",-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  --display:"CoFo Robert","Iowan Old Style",Georgia,serif;
  --wordmark:"Chakra Petch",var(--sans);
  --wm-a:#0b6b34; --wm-b:#0e7c7b;
  --wrap:1200px;
  --r-card:24px;
  color-scheme:light;
}
.bl-root *{box-sizing:border-box}
.bl-root{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth}
.bl-root{margin:0;font-family:var(--sans);font-size:16px;line-height:24px;color:var(--ink);background:var(--page)}
.bl-root img,.bl-root video,.bl-root svg{max-width:100%;display:block}
.bl-root a{color:inherit;text-decoration:none}
.bl-root button{font:inherit}
.bl-root .wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.bl-root .sr{position:absolute;left:-9999px}


.bl-root .promo{background:#000;color:#fff;font-size:14px;line-height:1;height:44px;display:flex;align-items:center;justify-content:center;gap:14px;position:relative;overflow:hidden}
.bl-root .promo .pill{font-weight:700;font-size:18px;letter-spacing:-.3px;background:linear-gradient(90deg,#ffd36e,#ff8ae2,#8ab4ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.bl-root .promo b{color:var(--accent);font-weight:700}


.bl-root .navshell{position:sticky;top:14px;z-index:50;padding:14px 24px 0}
.bl-root .nav{max-width:1296px;margin:0 auto;background:#fff;border-radius:9999px;border:1px solid var(--hairline);
  box-shadow:0 1px 2px rgba(0,0,0,.04),0 6px 20px rgba(0,0,0,.05);
  display:flex;align-items:center;gap:28px;padding:8px 8px 8px 24px;height:56px}
.bl-root .wordmark{font-family:var(--wordmark);font-weight:700;font-size:24px;letter-spacing:.015em;line-height:1;display:inline-flex;align-items:baseline;white-space:nowrap}
.bl-root .wordmark .code{color:var(--ink)}
.bl-root .wordmark .suffix{background-image:linear-gradient(100deg,var(--wm-a),var(--wm-b));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;padding-right:.04em;letter-spacing:.005em}
.bl-root footer .wordmark .code{color:#fff}
.bl-root .navlinks{display:flex;align-items:center;gap:24px;font-size:15px;font-weight:500;color:var(--muted);margin-left:8px}
.bl-root .navlinks a:hover{color:var(--ink)}
.bl-root .navspacer{flex:1}
.bl-root .btn{border:0;font-weight:500;border-radius:9999px;cursor:pointer;white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;
  transition:transform .12s ease,background-color .16s ease,color .16s ease,box-shadow .16s ease}
.bl-root .btn:active{transform:scale(.97)}
.bl-root .btn-outline{background:#fff;color:var(--ink);font-size:14px;padding:9px 16px;border:1px solid rgba(0,0,0,.18)}
.bl-root .btn-outline:hover{border-color:var(--ink)}
.bl-root .btn-dark{background:var(--ink);color:#fff;font-size:15px;padding:11px 20px}
.bl-root .btn-dark:hover{background:#222}
.bl-root .btn-accent{background:var(--accent);color:var(--accent-ink);font-size:17px;padding:14px 28px;min-width:180px}
.bl-root .btn-accent:hover{filter:brightness(.94)}
.bl-root .btn-white{background:#fff;color:var(--muted);font-size:17px;padding:14px 28px;box-shadow:0 1px 2px rgba(0,0,0,.05),0 6px 18px rgba(0,0,0,.05)}
.bl-root .btn-white:hover{color:var(--ink)}
.bl-root .btn-lg{font-size:18px;padding:16px 36px}


.bl-root .bl-hero{position:relative;overflow:hidden;margin-top:-84px;padding:150px 0 0}
.bl-root .bl-hero::before{content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(255,255,255,0) 0%,rgba(255,255,255,0) 55%,var(--page) 100%),
    radial-gradient(1200px 600px at 20% 20%,rgba(0,0,0,.035),transparent 60%),
    repeating-linear-gradient(45deg,rgba(0,0,0,.035) 0 1px,transparent 1px 22px),
    repeating-linear-gradient(-45deg,rgba(0,0,0,.035) 0 1px,transparent 1px 22px);
  pointer-events:none}
.bl-root .hero-grid{position:relative;display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:start;max-width:1296px;margin:0 auto;padding:0 40px}
.bl-root h1{font-family:var(--display);font-weight:500;font-size:68px;line-height:1.05;letter-spacing:-1.6px;margin:50px 0 30px;text-wrap:balance}
.bl-root .hero-sub{font-size:20px;line-height:30px;color:var(--muted);margin:0 0 36px;max-width:24em}
.bl-root .hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.bl-root .hero-ctas .btn{white-space:normal;text-align:center;max-width:100%}
.bl-root .laurels{display:flex;gap:26px;flex-wrap:wrap;padding-bottom:28px}
.bl-root .gterms{font-size:13px;line-height:20px;color:var(--faint);margin:0;padding-bottom:90px;max-width:34em}
.bl-root .gterms a{text-decoration:underline;text-underline-offset:3px;color:var(--muted)}
.bl-root .hero-grid>div:first-child .laurels:last-child{padding-bottom:110px}
.bl-root .laurel{display:flex;align-items:center;gap:8px;color:var(--faint);font-size:11px;line-height:12px;font-weight:700;text-transform:none}
.bl-root .laurel svg{width:22px;height:34px;flex:none;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round}
.bl-root .laurel .ico{font-size:20px;line-height:1}
.bl-root .device{background:#fff;border-radius:26px;box-shadow:0 1px 2px rgba(0,0,0,.04),0 30px 70px rgba(0,0,0,.10);
  aspect-ratio:11/12;position:relative;overflow:hidden;margin-bottom:60px}


.bl-root .stage{position:absolute;inset:0;font-family:var(--sans)}
.bl-root .scene{position:absolute;inset:0;padding:40px 36px;display:flex;flex-direction:column;opacity:0;transition:opacity .45s ease;pointer-events:none}
.bl-root .scene.on{opacity:1}
.bl-root .scene .q{font-size:22px;line-height:30px;font-weight:500;margin:0 0 22px;letter-spacing:-.2px;text-wrap:balance}
.bl-root .scene .q em{font-style:normal;color:var(--blue);font-weight:700}
.bl-root .scene .fig{margin:0 auto 22px;width:100%;max-width:420px}
.bl-root .scene .fig svg{width:100%;height:auto}
.bl-root .scene .body{flex:1;display:flex;flex-direction:column;justify-content:center;min-height:0}
.bl-root .scene .foot{display:flex;justify-content:flex-end;align-items:center;gap:10px;padding-top:18px}
.bl-root .scene .foot .btn{font-size:16px;padding:12px 26px;background:#e9e9e9;color:rgba(0,0,0,.35);transition:background .3s,color .3s}
.bl-root .scene .foot .btn.ready{background:var(--accent);color:var(--accent-ink)}
.bl-root .scene .foot .btn.done{background:var(--correct);color:#fff}
.bl-root .opts{display:grid;gap:12px}
.bl-root .opts.cols-2{grid-template-columns:1fr 1fr}
.bl-root .opts.cols-3{grid-template-columns:repeat(3,1fr)}
.bl-root .opts.cols-4{grid-template-columns:repeat(4,1fr)}
.bl-root .opt{background:#fff;border:2.5px solid rgba(0,0,0,.12);border-radius:16px;padding:14px 18px;font-size:19px;font-weight:500;text-align:center;transition:all .18s ease;position:relative}
.bl-root .opt.hover{border-color:rgba(0,0,0,.4);transform:translateY(-1px)}
.bl-root .opt.picked{border-color:var(--blue);background:#eef2ff;color:var(--blue)}
.bl-root .opt.right{border-color:var(--correct);background:var(--correct-tint);color:var(--correct-ink)}
.bl-root .opt svg{margin:0 auto}
.bl-root .tiles{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;min-height:64px}
.bl-root .tile{width:64px;height:64px;border-radius:14px;background:#fff;border:2.5px solid rgba(0,0,0,.14);display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:700;transition:transform .35s cubic-bezier(.2,.8,.2,1),box-shadow .2s;position:relative}
.bl-root .tile.grab{box-shadow:0 12px 24px rgba(0,0,0,.18);transform:scale(1.08);z-index:2;border-color:var(--blue)}
.bl-root .tile.ok{border-color:var(--correct);background:var(--correct-tint)}
.bl-root .tile.w{width:auto;padding:0 18px}
.bl-root .slots{display:flex;gap:12px;justify-content:center;margin-top:18px}
.bl-root .slot{width:64px;height:64px;border-radius:14px;border:2.5px dashed rgba(0,0,0,.2);background:rgba(0,0,0,.02)}
.bl-root .slot.w{width:auto;min-width:64px;padding:0 18px}
.bl-root .slot.filled{border-style:solid;border-color:var(--blue);background:#eef2ff}
.bl-root .slot.ok{border-color:var(--correct);background:var(--correct-tint)}
.bl-root .keypad{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-top:6px}
.bl-root .key{height:52px;border-radius:12px;background:#fff;border:2px solid rgba(0,0,0,.12);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;transition:all .15s}
.bl-root .key.hover{border-color:rgba(0,0,0,.4)}
.bl-root .key.press{background:#eef2ff;border-color:var(--blue);color:var(--blue);transform:scale(.96)}
.bl-root .answerbox{font-size:34px;font-weight:700;letter-spacing:.5px;min-height:64px;display:flex;align-items:center;justify-content:center;gap:6px;border-bottom:3px solid rgba(0,0,0,.15);margin:0 auto 22px;width:60%;color:var(--blue)}
.bl-root .answerbox .caret{width:2px;height:36px;background:var(--blue);animation:blink 1s steps(1) infinite}
.bl-root .answerbox.ok{color:var(--correct-ink);border-color:var(--correct)}
@keyframes blink{50%{opacity:0}}
.bl-root .grid{display:grid;gap:4px;margin:0 auto;width:min(100%,360px)}
.bl-root .cell{aspect-ratio:1;background:#fff;border:2px solid rgba(0,0,0,.14);border-radius:6px;transition:background .15s,border-color .15s}
.bl-root .cell.hover{border-color:rgba(0,0,0,.4)}
.bl-root .cell.shaded{background:var(--purple);border-color:var(--purple)}
.bl-root .cell.ok{background:var(--correct);border-color:var(--correct)}
.bl-root .passage{font-size:19px;line-height:32px;background:#fff;border:2px solid rgba(0,0,0,.1);border-radius:16px;padding:22px 24px}
.bl-root .passage .hl{background:linear-gradient(180deg,transparent 15%,rgba(252,104,211,.35) 15%,rgba(252,104,211,.35) 88%,transparent 88%);border-radius:3px}
.bl-root .passage .hl.ok{background:linear-gradient(180deg,transparent 15%,var(--correct-tint) 15%,var(--correct-tint) 88%,transparent 88%)}
.bl-root .numline{width:100%;height:auto}
.bl-root .matchwrap{display:grid;grid-template-columns:1fr 1fr;gap:14px 60px;position:relative}
.bl-root .mitem{background:#fff;border:2.5px solid rgba(0,0,0,.12);border-radius:14px;padding:12px 16px;font-size:18px;font-weight:500;text-align:center;position:relative;transition:all .2s}
.bl-root .mitem.src{border-color:var(--blue);background:#eef2ff}
.bl-root .mitem.ok{border-color:var(--correct);background:var(--correct-tint)}
.bl-root .matchlines{position:absolute;inset:0;pointer-events:none;overflow:visible}
.bl-root .matchlines path{fill:none;stroke:var(--blue);stroke-width:3.5;stroke-linecap:round;stroke-dasharray:1000;stroke-dashoffset:1000;transition:stroke-dashoffset .5s ease}
.bl-root .matchlines path.draw{stroke-dashoffset:0}
.bl-root .matchlines path.ok{stroke:var(--correct)}
.bl-root .tick{position:absolute;left:50%;top:50%;width:120px;height:120px;transform:translate(-50%,-50%) scale(.4);opacity:0;pointer-events:none;
  transition:transform .35s cubic-bezier(.2,1.4,.4,1),opacity .2s}
.bl-root .tick.show{transform:translate(-50%,-50%) scale(1);opacity:1}
.bl-root .tick circle{fill:var(--correct)}
.bl-root .tick path{fill:none;stroke:#fff;stroke-width:9;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:80;stroke-dashoffset:80;transition:stroke-dashoffset .35s ease .1s}
.bl-root .tick.show path{stroke-dashoffset:0}
.bl-root .cursor{position:absolute;left:0;top:0;width:34px;height:44px;pointer-events:none;z-index:9;filter:drop-shadow(0 4px 4px rgba(0,0,0,.28));transition:transform .08s}
.bl-root .cursor.down{transform:scale(.9)}
.bl-root .cursor path{fill:#000;stroke:#fff;stroke-width:2.2;stroke-linejoin:round}
.bl-root .blob{position:absolute;pointer-events:none;z-index:8}
.bl-root .blob svg,.bl-root .blob img{width:100%;height:100%;object-fit:contain}
.bl-root .progressbar{position:absolute;left:36px;right:36px;top:22px;height:6px;border-radius:3px;background:rgba(0,0,0,.08);overflow:hidden}
.bl-root .progressbar i{display:block;height:100%;width:0;background:var(--accent);border-radius:3px;transition:width .5s ease}


.bl-root .proof{padding:36px 0 40px}
.bl-root .proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.bl-root .proof-card{background:#fff;border:1px solid var(--hairline);border-radius:var(--r-card);padding:34px 28px;text-align:center}
.bl-root .proof-card .ico{width:34px;height:34px;margin:0 auto 12px;color:rgba(0,0,0,.55)}
.bl-root .proof-card .ico svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.bl-root .proof-card h3{font-family:var(--sans);font-size:28px;line-height:34px;font-weight:500;margin:0 0 6px;letter-spacing:-.4px}
.bl-root .proof-card p{font-size:15px;line-height:22px;color:var(--faint);margin:0}


.bl-root .features{padding:120px 0 40px;display:grid;gap:110px}
.bl-root .frow{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.bl-root .frow:nth-child(even) .fart{order:2}
.bl-root .fart{border-radius:var(--r-card);aspect-ratio:16/11;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}
.bl-root .fart .mini{background:#fff;border-radius:18px;box-shadow:0 10px 30px rgba(0,0,0,.08);width:64%;aspect-ratio:10/11;position:relative;overflow:hidden}
.bl-root .fart .mini .stage{transform:scale(.62);transform-origin:top left;width:161.3%;height:161.3%}
.bl-root .fcopy h3{font-family:var(--sans);font-size:36px;line-height:1.15;font-weight:500;letter-spacing:-.6px;margin:0 0 18px;text-wrap:balance}
.bl-root .fcopy h3 em{font-style:italic;font-family:var(--display);font-weight:400}
.bl-root .fcopy p{font-size:17px;line-height:27px;color:var(--muted);margin:0;max-width:30em}
.bl-root .fcopy .go{display:inline-flex;align-items:center;gap:6px;margin-top:22px;font-weight:500;color:var(--ink);border-bottom:2px solid var(--ink);padding-bottom:2px}
.bl-root .fcopy .go:hover{color:var(--accent);border-color:var(--accent)}
.bl-root .mia{display:flex;align-items:center;justify-content:center}
.bl-root .mia img{width:58%;height:auto}
.bl-root .stats-note{text-align:center;color:var(--faint);font-size:14px;margin:18px 0 0}


.bl-root .subjects{padding:100px 0 60px}
.bl-root .subjects-box{background:var(--warm);border-radius:32px;padding:64px 48px 56px;max-width:1296px;margin:0 auto}
.bl-root h2{font-family:var(--display);font-weight:500;font-size:54px;line-height:1.1;letter-spacing:-1.2px;margin:0 0 28px;text-align:center;text-wrap:balance}
.bl-root .tabs{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:0 0 44px}
.bl-root .tab{background:#fff;color:var(--muted);font-size:15px;font-weight:500;padding:11px 18px;border-radius:9999px;border:1px solid var(--hairline);cursor:pointer;transition:all .16s ease}
.bl-root .tab:hover{color:var(--ink)}
.bl-root .tab[aria-selected="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.bl-root .panel{display:none;max-width:1100px;margin:0 auto}
.bl-root .panel[data-active]{display:block}
.bl-root .panel-card{background:#e9e7e2;border-radius:22px;display:grid;grid-template-columns:1fr 1.45fr;gap:0;align-items:stretch;padding:16px}
.bl-root .panel-copy{padding:44px 44px 44px 40px}
.bl-root .panel-copy h3{font-size:18px;font-weight:700;margin:0 0 14px}
.bl-root .panel-copy ul{margin:0;padding:0;list-style:none;font-size:16px;line-height:26px}
.bl-root .panel-copy .more{display:inline-block;margin-top:12px;color:var(--faint);font-size:14px;text-decoration:underline;text-underline-offset:3px}
.bl-root .panel-demo{background:#fff;border-radius:16px;aspect-ratio:10/8;position:relative;overflow:hidden}
.bl-root .panel-demo .stage{transform:scale(.7);transform-origin:top left;width:142.9%;height:142.9%}
.bl-root .panel-demo .label{position:absolute;left:0;right:0;bottom:18px;text-align:center;font-size:14px;font-weight:700}


.bl-root .rows{padding:60px 0 40px;display:grid;gap:110px}
.bl-root .prow{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.bl-root .prow:nth-child(even) .photo{order:2}
.bl-root .photo{border-radius:var(--r-card);aspect-ratio:16/11;overflow:hidden;position:relative;background:var(--warm)}
.bl-root .photo img{width:100%;height:100%;object-fit:cover}
.bl-root .photo .ph{position:absolute;inset:0;display:flex;align-items:flex-end;padding:20px;color:rgba(0,0,0,.35);font-size:12px;font-weight:700}
.bl-root .sources{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:26px;color:rgba(0,0,0,.42);font-size:15px;font-weight:500}
.bl-root .sources span{display:flex;align-items:center;gap:8px}
.bl-root .sources span::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent)}


.bl-root .love{padding:100px 0 60px;overflow:hidden}
.bl-root .love h2{margin-bottom:56px}
.bl-root .carousel{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:0 calc((100vw - var(--wrap)) / 2 + 24px);scrollbar-width:none}
.bl-root .carousel::-webkit-scrollbar{display:none}
.bl-root .quote{flex:0 0 300px;scroll-snap-align:center;background:var(--warm);border-radius:20px;padding:34px 30px;display:flex;flex-direction:column;gap:28px;min-height:330px}
.bl-root .quote p{font-size:19px;line-height:28px;margin:0;color:rgba(0,0,0,.75)}
.bl-root .who{display:flex;align-items:center;gap:14px;margin-top:auto}
.bl-root .avatar{width:56px;height:56px;border-radius:50%;flex:none;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:20px;color:#fff}
.bl-root .who b{display:block;font-size:19px;font-weight:500}
.bl-root .who span{font-size:13px;color:var(--faint)}
.bl-root .dots{display:flex;gap:10px;justify-content:center;margin-top:48px}
.bl-root .dots i{width:7px;height:7px;border-radius:50%;background:rgba(0,0,0,.18)}
.bl-root .dots i.on{background:#000}
.bl-root .sample{display:inline-block;font-size:11px;font-weight:700;color:#a04;background:#fde7ec;padding:4px 8px;border-radius:6px;margin-bottom:-14px;align-self:flex-start}


.bl-root .final{position:relative;min-height:560px;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden;color:#fff;
  background:radial-gradient(900px 500px at 70% 20%,rgba(255,255,255,.18),transparent 60%),linear-gradient(135deg,#1b1d23,#3a3f4b 55%,#20232a)}
.bl-root .final img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.75}
.bl-root .final::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.25),rgba(0,0,0,.45))}
.bl-root .final .inner{position:relative;padding:80px 24px;max-width:760px}
.bl-root .final h2{color:#fff;font-size:48px;margin-bottom:34px;text-shadow:0 2px 20px rgba(0,0,0,.3)}
.bl-root .final .btn-white{color:var(--ink);font-weight:500}
.bl-root .final .stores{display:flex;gap:12px;justify-content:center;margin-top:28px;flex-wrap:wrap}
.bl-root .final .store{background:#000;color:#fff;border-radius:8px;padding:8px 14px;font-size:14px;font-weight:500;display:flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.35)}
.bl-root .final .store small{display:block;font-size:10px;font-weight:500;opacity:.8;line-height:1}


.bl-root footer{background:#000;color:#fff;padding:64px 0 40px;font-size:14px}
.bl-root .fgrid{display:grid;grid-template-columns:2fr repeat(4,1fr) auto;gap:32px}
.bl-root footer .wordmark{color:#fff}
.bl-root footer h4{font-size:14px;font-weight:500;margin:0 0 16px;color:rgba(255,255,255,.55)}
.bl-root footer ul{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.bl-root footer li a{color:#fff}
.bl-root footer li a:hover{text-decoration:underline}
.bl-root .socials{display:flex;gap:16px;color:rgba(255,255,255,.7)}
.bl-root .socials svg{width:18px;height:18px;fill:currentColor}
.bl-root .fbot{margin-top:80px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.55);font-size:12px;display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.bl-root .fbot a{margin-right:16px}


.bl-root [data-tone="playful"]{--r-card:28px}
.bl-root [data-tone="playful"] .opt,.bl-root [data-tone="playful"] .tile{border-width:3px}
.bl-root [data-tone="playful"] .scene .q{font-size:24px;line-height:32px}
.bl-root [data-tone="playful"] .fart .mini,.bl-root [data-tone="playful"] .device{border-radius:30px}
.bl-root [data-tone="focused"] .scene .q{font-size:20px;line-height:28px;font-weight:500}
.bl-root [data-tone="focused"] .opt{font-size:17px;padding:13px 16px;text-align:left}
.bl-root [data-tone="focused"] .opts.cols-2{grid-template-columns:1fr}
.bl-root [data-tone="professional"]{--r-card:20px}
.bl-root [data-tone="professional"] .scene .q{font-size:19px;line-height:27px}
.bl-root [data-tone="professional"] .opt{font-size:16px;text-align:left;padding:12px 16px}
.bl-root [data-tone="professional"] .opts.cols-2{grid-template-columns:1fr}

@media (prefers-reduced-motion:reduce){.bl-root .scene{transition:none}}
@media (max-width:1000px){
  .bl-root .hero-grid,.bl-root .frow,.bl-root .prow,.bl-root .panel-card,.bl-root .fgrid,.bl-root .proof-grid{grid-template-columns:1fr}
  .bl-root .frow:nth-child(even) .fart,.bl-root .prow:nth-child(even) .photo{order:0}
  .bl-root h1{font-size:46px;line-height:1.08;letter-spacing:-1px;margin-top:20px}
  .bl-root h2{font-size:36px}
  .bl-root .fcopy h3{font-size:28px}
  .bl-root .navlinks{display:none}
  .bl-root .bl-hero{padding-top:120px}
  .bl-root .laurels{padding-bottom:40px}
  .bl-root .device{margin-bottom:40px}
  .bl-root .subjects-box{padding:40px 20px}
  .bl-root .panel-copy{padding:28px 20px}
  .bl-root .features,.bl-root .rows{gap:64px}
  .bl-root .carousel{padding:0 24px}
  .bl-root .final h2{font-size:34px}
}
@media (max-width:520px){
  .bl-root .nav{gap:10px;padding-left:16px}
  .bl-root .wordmark{font-size:clamp(15px,4.6vw,22px);min-width:0;overflow:hidden;text-overflow:ellipsis}
  .bl-root .btn-outline{padding:8px 12px;font-size:13px}
  .bl-root .scene{padding:26px 20px}
  .bl-root .scene .q{font-size:18px;line-height:25px}
  .bl-root .opt{font-size:16px;padding:11px 12px}
  .bl-root .tile,.bl-root .slot,.bl-root .key{width:48px;height:48px;font-size:18px}
  .bl-root .fart .mini{width:80%}
}

@media (pointer:coarse){
  
  .bl-root .btn-outline{min-height:44px}
  .bl-root .nav .wordmark{min-height:44px;align-items:center}
  .bl-root .go,.bl-root .bl-quiet,.bl-root .gterms a,.bl-root .fbot a{position:relative}
  .bl-root .go::after,.bl-root .bl-quiet::after,.bl-root .gterms a::after,.bl-root .fbot a::after{content:"";position:absolute;left:-6px;right:-6px;top:50%;height:44px;transform:translateY(-50%)}
  .bl-root footer ul{gap:0}
  .bl-root footer li a{display:inline-flex;align-items:center;min-height:44px}
}



.bl-root .bl-kicker{display:inline-flex;align-items:center;gap:8px;margin:50px 0 0;padding:7px 14px;border-radius:9999px;background:#fff;border:1px solid var(--hairline);font-size:14px;line-height:18px;font-weight:500;color:var(--ink)}
.bl-root .bl-kicker::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent)}
.bl-root .bl-kicker + h1{margin-top:22px}
.bl-root .hero-sub{max-width:22em}
.bl-root .gterms{padding-bottom:110px}


.bl-root .bl-pains,.bl-root .bl-teach{padding:120px 0 0}
.bl-root .bl-pains h2,.bl-root .bl-teach h2{max-width:15em;margin:0 auto}
.bl-root .bl-pains .features,.bl-root .bl-teach .features{padding:90px 24px 40px}
.bl-root .bl-pain{display:inline-block;margin:0 0 16px;font-family:var(--display);font-style:italic;font-size:22px;line-height:1.3;color:var(--ink);opacity:.62}
.bl-root .bl-pain::before{content:"\201C"}
.bl-root .bl-pain::after{content:"\201D"}
.bl-root .fart.mia img{width:52%;height:auto;object-fit:contain}


.bl-root .bl-offer{padding:140px 0 40px;scroll-margin-top:90px}
.bl-root .bl-offer h2{margin-bottom:48px}
.bl-root .bl-offer-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:24px;max-width:1080px;margin:0 auto;align-items:stretch}
.bl-root .bl-offer-grid[data-single]{grid-template-columns:1fr;max-width:620px}
.bl-root .bl-offer-card,.bl-root .bl-guarantee{border-radius:28px;padding:44px 44px 40px}
.bl-root .bl-offer-card{background:#fff;border:1px solid var(--hairline);box-shadow:0 1px 2px rgba(0,0,0,.04),0 24px 60px rgba(0,0,0,.06)}
.bl-root .bl-price{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin:0 0 6px}
.bl-root .bl-price strong{font-family:var(--display);font-weight:500;font-size:72px;line-height:1;letter-spacing:-2px}
.bl-root .bl-price span{font-size:17px;color:var(--muted)}
.bl-root .bl-offer-price{margin:0 0 6px}
.bl-root .bl-offer-price strong{font-family:var(--display);font-weight:500;font-size:72px;letter-spacing:-2px}
.bl-root .bl-offer-price .offer-unit{font-size:17px;color:var(--muted)}
.bl-root .bl-offer-fine{margin-top:16px}
.bl-root .bl-planned{margin:10px 0 0;font-size:15px;font-weight:500;color:var(--ink)}
.bl-root .bl-includes{list-style:none;margin:30px 0 34px;padding:0;display:grid;gap:14px}
.bl-root .bl-includes li{display:flex;gap:12px;align-items:flex-start;font-size:17px;line-height:25px}
.bl-root .bl-tick{flex:none;width:22px;height:22px;margin-top:2px}
.bl-root .bl-tick circle{fill:var(--correct)}
.bl-root .bl-tick path{fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.bl-root .bl-offer-ctas{display:flex;gap:12px;flex-wrap:wrap}
.bl-root .bl-guarantee{background:var(--ink);color:#fff;display:flex;flex-direction:column}
.bl-root .bl-shield{width:52px;height:52px;border-radius:16px;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;margin-bottom:26px}
.bl-root .bl-shield svg{width:28px;height:28px;fill:none;stroke:#fff;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.bl-root .bl-guarantee h3{font-family:var(--display);font-weight:500;font-size:40px;line-height:1.08;letter-spacing:-.8px;margin:0 0 26px;text-wrap:balance}
.bl-root .bl-guarantee-lead{margin:0 0 10px;font-size:15px;color:rgba(255,255,255,.7)}
.bl-root .bl-guarantee ol{margin:0 0 28px;padding:0 0 0 20px;display:grid;gap:8px;font-size:16px;line-height:23px}
.bl-root .bl-guarantee .go{margin-top:auto;align-self:flex-start;display:inline-flex;gap:6px;font-weight:500;border-bottom:2px solid #fff;padding-bottom:2px}


.bl-root .bl-faq{padding:120px 0 120px}
.bl-root .bl-faq-list{max-width:820px;margin:0 auto;border-top:1px solid rgba(0,0,0,.12)}
.bl-root .bl-faq details{border-bottom:1px solid rgba(0,0,0,.12)}
.bl-root .bl-faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:24px;padding:24px 4px;font-size:20px;line-height:28px;font-weight:500}
.bl-root .bl-faq summary::-webkit-details-marker{display:none}
.bl-root .bl-faq summary::after{content:"";flex:none;width:12px;height:12px;border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);transform:rotate(45deg) translateY(-3px);transition:transform .2s ease}
.bl-root .bl-faq details[open] summary::after{transform:rotate(225deg) translateY(-3px)}
.bl-root .bl-faq details p{margin:0;padding:0 4px 26px;font-size:17px;line-height:27px;color:var(--muted);max-width:40em}
.bl-root .bl-faq details p a{color:var(--ink);text-decoration:underline;text-underline-offset:3px}


.bl-root .final{min-height:0;color:var(--ink);background:var(--warm);margin:0 24px 24px;border-radius:32px}
.bl-root .final::after{display:none}
.bl-root .final .inner{padding:110px 24px}
.bl-root .final h2{color:var(--ink);text-shadow:none;font-size:54px}
.bl-root .final .btn-white{background:var(--accent);color:var(--accent-ink)}


.bl-root .bl-dates{margin:28px 0 0;padding:22px 0 0;border-top:1px solid var(--hairline);display:grid;gap:12px}
.bl-root .bl-dates div{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.bl-root .bl-dates dt{font-size:15px;color:var(--ink)}
.bl-root .bl-dates dd{margin:0;font-size:15px;font-weight:600;color:var(--ink)}
.bl-root .bl-dates-source{margin:12px 0 0;font-size:13px;color:rgba(0,0,0,.64)}
.bl-root .bl-dates-source a{color:inherit;text-decoration:underline;text-underline-offset:2px}


.bl-root .bl-buy{display:grid;gap:16px}
.bl-root .bl-buy .pr-buy{display:grid;gap:14px}
.bl-root .bl-buy .pr-buy-consent{display:flex;gap:12px;align-items:flex-start;font-size:15px;line-height:22px;color:var(--ink);cursor:pointer}
.bl-root .bl-buy .pr-buy-consent input{flex:none;width:20px;height:20px;margin:1px 0 0;accent-color:var(--accent)}
.bl-root .bl-buy .pr-buy-consent a{text-decoration:underline;text-underline-offset:3px}
.bl-root .bl-buy .st-cta{appearance:none;border:0;cursor:pointer;display:flex;align-items:center;justify-content:center;width:100%;min-height:58px;padding:16px 28px;border-radius:9999px;background:var(--accent);color:var(--accent-ink);font:inherit;font-size:18px;font-weight:600;transition:filter .15s ease,opacity .15s ease}
.bl-root .bl-buy .st-cta:hover:not(:disabled){filter:brightness(.94)}
.bl-root .bl-buy .st-cta:disabled{opacity:.45;cursor:not-allowed}
.bl-root .bl-buy .st-cta:focus-visible,.bl-root .bl-buy .pr-buy-consent input:focus-visible{outline:3px solid var(--correct);outline-offset:3px}
.bl-root .bl-buy .pr-buy-error{font-size:15px;color:var(--miss)}
.bl-root .bl-quiet{justify-self:center;font-size:16px;font-weight:500;text-decoration:underline;text-underline-offset:4px}


.bl-root .bl-pr-hero{text-align:center;padding:24px 0 0}
.bl-root .bl-pr-hero .bl-kicker{margin-top:56px}
.bl-root .bl-pr-hero h1{max-width:13em;margin-left:auto;margin-right:auto}
.bl-root .bl-pr-sub{font-size:20px;line-height:30px;color:var(--ink);opacity:.72;max-width:30em;margin:0 auto}
.bl-root .bl-pr-offer .bl-offer{padding-top:56px}
.bl-root .bl-pr-offer .bl-offer-h{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.bl-root .bl-stack{padding:110px 0 0}
.bl-root .bl-stack-list{list-style:none;counter-reset:stack;max-width:880px;margin:0 auto;padding:0;border-top:1px solid rgba(0,0,0,.12)}
.bl-root .bl-stack-list li{counter-increment:stack;display:grid;grid-template-columns:56px 1fr;column-gap:8px;padding:28px 4px;border-bottom:1px solid rgba(0,0,0,.12)}
.bl-root .bl-stack-list li::before{content:counter(stack,decimal-leading-zero);grid-row:span 2;font-family:var(--display);font-size:22px;line-height:30px;color:var(--accent)}
.bl-root .bl-stack-list h3{margin:0 0 6px;font-size:22px;line-height:30px;font-weight:500}
.bl-root .bl-stack-list p{margin:0;font-size:17px;line-height:26px;color:var(--ink);opacity:.72;max-width:38em}
.bl-root .bl-stack-list p a{text-decoration:underline;text-underline-offset:3px}
.bl-root .bl-free{padding:110px 0 0}
.bl-root .bl-free-links{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;max-width:880px;margin:0 auto}
.bl-root .bl-chip{display:inline-flex;align-items:center;padding:12px 20px;border-radius:9999px;background:#fff;border:1px solid var(--hairline);font-size:16px;font-weight:500;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.bl-root .bl-chip:hover{border-color:var(--ink)}

@media (max-width:1000px){
  .bl-root .bl-pr-hero .bl-kicker{margin-top:24px}
  .bl-root .bl-pr-sub{font-size:18px;line-height:27px}
  .bl-root .bl-pr-offer .bl-offer{padding-top:36px}
  .bl-root .bl-stack,.bl-root .bl-free{padding-top:72px}
  .bl-root .bl-stack-list li{grid-template-columns:40px 1fr;padding:22px 2px}
  .bl-root .bl-stack-list li::before{font-size:18px}
  .bl-root .bl-stack-list h3{font-size:19px;line-height:26px}
  .bl-root .bl-stack-list p{font-size:16px;line-height:24px}
  .bl-root .bl-dates div{flex-direction:column;gap:2px}
}

@media (max-width:1000px){
  .bl-root .bl-kicker{margin-top:20px}
  .bl-root .bl-pains,.bl-root .bl-teach{padding-top:72px}
  .bl-root .bl-pains .features,.bl-root .bl-teach .features{padding:48px 20px 20px;gap:72px}
  .bl-root .bl-pains .frow,.bl-root .bl-teach .frow{gap:28px}
  .bl-root .fart{aspect-ratio:auto;padding:28px 0}
  .bl-root .fart .mini{width:min(82%,360px)}
  .bl-root .fart.mia{padding:40px 0}
  .bl-root .gterms{padding-bottom:40px}
  .bl-root .device{margin-bottom:24px}
  .bl-root .proof{padding:12px 0 0}
  .bl-root .proof-grid{gap:12px}
  .bl-root .proof-card{display:grid;grid-template-columns:40px 1fr;column-gap:14px;text-align:left;padding:20px 22px;align-items:center}
  .bl-root .proof-card .ico{grid-row:span 2;margin:0;width:30px;height:30px}
  .bl-root .proof-card h3{font-size:21px;line-height:26px;margin:0}
  .bl-root .proof-card p{font-size:14px;line-height:20px}
  .bl-root .bl-pain{font-size:19px}
  .bl-root .bl-offer{padding-top:90px}
  .bl-root .bl-offer-grid{grid-template-columns:1fr}
  .bl-root .bl-offer-card,.bl-root .bl-guarantee{padding:32px 24px}
  .bl-root .bl-price strong,.bl-root .bl-offer-price strong{font-size:56px}
  .bl-root .bl-guarantee h3{font-size:32px}
  .bl-root .bl-faq{padding:80px 0}
  .bl-root .bl-faq summary{font-size:18px;padding:20px 2px}
  .bl-root .final{margin:0 12px 12px}
  .bl-root .final .inner{padding:72px 20px}
  .bl-root .final h2{font-size:34px}
}
@media (max-width:520px){
  .bl-root .hero-ctas .btn{flex:1 1 100%}
  .bl-root .bl-offer-ctas .btn{flex:1 1 100%}
}

@media (max-width:520px){
  .bl-root .device{aspect-ratio:9/10}
}


.bl-root .sq{padding:24px 0 72px;scroll-margin-top:90px}
.bl-root .sq h2{margin-bottom:10px}
.bl-root .sq-lead{max-width:34em;margin:0 auto 36px;text-align:center;font-size:18px;line-height:27px;color:var(--muted)}
.bl-root .sq-card{max-width:1080px;margin:0 auto;background:#fff;border:1px solid var(--hairline);border-radius:28px;padding:36px 40px 40px;box-shadow:0 1px 2px rgba(0,0,0,.04),0 24px 60px rgba(0,0,0,.06);transition:box-shadow .3s ease}
.bl-root .sq-card[data-state="correct"]{box-shadow:0 0 0 2px var(--correct),0 24px 60px rgba(33,86,217,.10)}
.bl-root .sq-meta{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 22px}
.bl-root .sq-meta span{display:inline-flex;padding:6px 12px;border-radius:9999px;background:var(--warm);font-size:14px;line-height:18px;font-weight:500;color:var(--ink)}
.bl-root .sq-body{max-width:760px;margin:0 auto}
.bl-root .sq-body-split{max-width:none;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.bl-root .sq-passage{padding:24px 26px;border-radius:18px;background:var(--page);border:1px solid var(--hairline);font-size:16px;line-height:1.65;max-height:560px;overflow:auto}
.bl-root .sq-passage-title{margin:0 0 12px;font-family:var(--sans);font-size:18px;line-height:1.35;font-weight:600}
.bl-root .sq-passage p{margin:0 0 12px}
.bl-root .sq-passage p:last-child{margin-bottom:0}
.bl-root .sq-stem{font-size:19px;line-height:1.55;color:var(--ink);overflow-wrap:break-word}
.bl-root .sq-stem p{margin:0 0 12px}
.bl-root .sq-question .katex-display{margin:14px 0;overflow-x:auto;overflow-y:hidden}
.bl-root .sq-figure{margin:18px auto 4px;max-width:520px}
.bl-root .sq-options{display:grid;gap:10px;margin:24px 0 0}
.bl-root .sq-option{appearance:none;display:grid;grid-template-columns:34px 1fr;gap:14px;align-items:center;width:100%;min-height:58px;padding:12px 18px;text-align:left;font:inherit;font-size:17px;line-height:1.45;color:var(--ink);background:#fff;border:2px solid rgba(0,0,0,.1);border-radius:16px;cursor:pointer;transition:border-color .15s ease,background .15s ease,transform .1s ease}
.bl-root .sq-option:hover:not(:disabled){border-color:rgba(0,0,0,.28)}
.bl-root .sq-option:active:not(:disabled){transform:scale(.99)}
.bl-root .sq-option:focus-visible{outline:3px solid var(--correct);outline-offset:2px}
.bl-root .sq-option:disabled{cursor:default}
.bl-root .sq-letter{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:var(--warm);font-weight:600;font-size:15px}
.bl-root .sq-text{min-width:0;overflow-wrap:break-word}
.bl-root .sq-option[data-state="selected"]{border-color:var(--ink);background:var(--page)}
.bl-root .sq-option[data-state="selected"] .sq-letter{background:var(--ink);color:#fff}
.bl-root .sq-option[data-state="key"]{border-color:var(--correct);background:var(--correct-tint);animation:sq-pop .35s ease}
.bl-root .sq-option[data-state="key"] .sq-letter{background:var(--correct);color:#fff}
.bl-root .sq-option[data-state="missed"]{border-color:var(--miss);background:#fdeaea}
.bl-root .sq-option[data-state="missed"] .sq-letter{background:var(--miss);color:#fff}
.bl-root .sq-card[data-state]:not([data-state="open"]) .sq-option:not([data-state]){opacity:.55}
@keyframes sq-pop{0%{transform:scale(1)}40%{transform:scale(1.015)}100%{transform:scale(1)}}
.bl-root .sq-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin:22px 0 0}
.bl-root .sq-check{appearance:none;border:0;cursor:pointer;min-width:180px;min-height:54px;padding:14px 32px;border-radius:9999px;background:var(--ink);color:#fff;font:inherit;font-size:17px;font-weight:600;transition:opacity .15s ease,transform .1s ease}
.bl-root .sq-check:active:not(:disabled){transform:scale(.97)}
.bl-root .sq-check:disabled{opacity:.3;cursor:not-allowed}
.bl-root .sq-check:focus-visible{outline:3px solid var(--correct);outline-offset:3px}
.bl-root .sq-error{margin:0;font-size:15px;color:var(--miss)}
.bl-root .sq-result{max-width:760px;margin:30px auto 0;padding:28px 0 0;border-top:1px solid var(--hairline);animation:sq-in .35s ease both}
@keyframes sq-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.bl-root .sq-verdict{margin:0 0 10px;font-size:22px;line-height:1.3;font-weight:600}
.bl-root .sq-card[data-state="correct"] .sq-verdict{color:var(--correct-ink)}
.bl-root .sq-card[data-state="missed"] .sq-verdict{color:var(--miss)}
.bl-root .sq-why{margin:0 0 16px;font-size:17px;line-height:1.55}
.bl-root .sq-working-h{margin:18px 0 8px;font-family:var(--sans);font-size:17px;line-height:1.4;font-weight:600}
.bl-root .sq-working{margin:0;padding:0 0 0 22px;display:grid;gap:10px;font-size:17px;line-height:1.6}
.bl-root .sq-working .katex-display{overflow-x:auto;overflow-y:hidden}
.bl-root .sq-next{margin:28px 0 0;padding:24px 26px;border-radius:20px;background:var(--warm)}
.bl-root .sq-next-copy{margin:0 0 16px;font-size:17px;line-height:1.5;font-weight:500}
.bl-root .sq-next-ctas{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.bl-root .sq-quiet{font-size:16px;font-weight:500;color:var(--ink);text-decoration:underline;text-underline-offset:4px}
@media (prefers-reduced-motion:reduce){.bl-root .sq-option[data-state="key"],.bl-root .sq-result{animation:none}}
@media (max-width:860px){
  .bl-root .sq-body-split{grid-template-columns:1fr;gap:24px}
  .bl-root .sq-passage{max-height:none}
}
@media (max-width:640px){
  .bl-root .sq{padding:8px 0 48px}
  .bl-root .sq-lead{font-size:16px;line-height:24px;margin-bottom:24px}
  .bl-root .sq-card{padding:22px 18px 24px;border-radius:22px;margin:0 -8px}
  .bl-root .sq-stem{font-size:17px}
  .bl-root .sq-option{grid-template-columns:30px 1fr;gap:12px;padding:10px 14px;font-size:16px}
  .bl-root .sq-letter{width:30px;height:30px}
  .bl-root .sq-check{width:100%}
  .bl-root .sq-next{padding:20px 18px}
  .bl-root .sq-next-ctas .btn{width:100%}
}
.bl-root .sq-stem-part + .sq-stem-part{margin-top:14px}


.bl-root .bl-lesson-hero .lesson-card{position:relative;z-index:1;display:flex;align-items:center;width:100%}