:root{
      --ink:#080A09;
      --jade:#91BBAA;
      --jade-ink:#326452;
      --sapphire:#63B3ED;
      --violet:#A78BFA;
      --claude:#D97757;
      --codex:#5C67F2;
      --paper:#F4F1E8;
      --white:#FCFBF7;
      --muted:#7D8280;
      --line:rgba(244,241,232,.16);
      --line-dark:rgba(8,10,9,.16);
      --sans:Inter,"Helvetica Neue",Arial,sans-serif;
      --mono:"SF Mono",ui-monospace,Menlo,Consolas,monospace;
      --max:1500px;
    }
    *{box-sizing:border-box}
    html{background:var(--ink);scroll-behavior:smooth}
    body{margin:0;background:var(--ink);color:var(--paper);font-family:var(--sans);-webkit-font-smoothing:antialiased;overflow-x:clip}
    .skip-link{position:fixed;left:16px;top:10px;z-index:200;padding:12px 16px;border-radius:999px;background:var(--paper);color:var(--ink);font-weight:750;transform:translateY(-160%);transition:transform .2s}.skip-link:focus{transform:none}
    a{color:inherit;text-decoration:none}
    button{font:inherit}
    button,a{-webkit-tap-highlight-color:transparent}
    button:focus-visible,a:focus-visible{outline:3px solid var(--jade);outline-offset:4px}
    [data-lang="fr"] .en,[data-lang="en"] .fr{display:none!important}
    .progress{position:fixed;left:0;top:0;height:3px;width:0;background:var(--jade);z-index:100;pointer-events:none}

    .nav{height:72px;padding:0 clamp(20px,4vw,64px);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:rgba(8,10,9,.93);position:sticky;top:0;z-index:40}
    .brand{font-size:12px;font-weight:700;letter-spacing:.2em;display:flex;align-items:center;gap:11px}
    .brand img{width:30px;height:30px;display:block;object-fit:contain}
    .nav-right{display:flex;align-items:center;gap:22px}
    .nav-link{font-size:11px;color:rgba(244,241,232,.62)}
    .buy-mini{min-height:40px;padding:10px 18px;background:var(--jade);color:var(--ink);font-size:11px;font-weight:750;display:inline-flex;align-items:center;gap:14px;border:1px solid var(--jade);border-radius:999px;box-shadow:0 8px 24px rgba(145,187,170,.14)}
    .buy-mini:hover{background:var(--paper);border-color:var(--paper)}
    .lang{display:flex;border:1px solid var(--line);border-radius:13px;overflow:hidden;background:rgba(255,255,255,.025)}
    .lang a{width:38px;height:38px;border-right:1px solid var(--line);background:transparent;color:rgba(244,241,232,.7);display:grid;place-items:center;font:600 9px/1 var(--mono)}
    .lang a:last-child{border-right:0}.lang a[aria-current="page"]{background:var(--paper);color:var(--ink)}
    .motion-toggle{width:40px;height:40px;border:1px solid var(--line);border-radius:50%;background:transparent;color:var(--paper);display:grid;place-items:center;cursor:pointer}.motion-toggle svg{width:15px;height:15px;fill:none;stroke:currentColor}.motion-toggle .play{display:none}.motion-toggle[aria-pressed="true"] .pause{display:none}.motion-toggle[aria-pressed="true"] .play{display:block}
    .motion-paused *{animation-play-state:paused!important}

    .hero{min-height:calc(100svh - 72px);display:grid;grid-template-columns:minmax(0,1.03fr) minmax(520px,.97fr);overflow:hidden}
    .hero-copy{padding:clamp(64px,8vw,126px) clamp(28px,6vw,100px) 54px;display:flex;flex-direction:column;justify-content:center;position:relative;border-right:1px solid var(--line);isolation:isolate}
    .hero-copy::before{content:"";position:absolute;z-index:-2;inset:0;background:radial-gradient(circle at 78% 34%,rgba(145,187,170,.11),transparent 32%),linear-gradient(115deg,transparent 0 54%,rgba(145,187,170,.035) 54% 55%,transparent 55%)}
    .hero-copy::after{content:"";position:absolute;z-index:-1;right:3%;top:12%;width:38%;aspect-ratio:1;background-image:linear-gradient(rgba(244,241,232,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(244,241,232,.035) 1px,transparent 1px);background-size:24px 24px;mask-image:linear-gradient(135deg,transparent,black 45%,transparent);transform:rotate(-7deg);opacity:.55;pointer-events:none}
    .eyebrow{margin:0 0 28px;color:var(--jade);font:650 10px/1.2 var(--mono);letter-spacing:.2em;text-transform:uppercase}
    h1{max-width:900px;margin:0;font-size:clamp(64px,7.5vw,122px);line-height:.87;letter-spacing:-.076em;font-weight:510}
    h1 .headline-lang{display:block;color:inherit}h1 .headline-lang em{display:block;color:var(--jade);font-style:normal}
    .lead{max-width:680px;margin:34px 0 0;color:rgba(244,241,232,.68);font-size:clamp(16px,1.3vw,19px);line-height:1.55}
    .hero-actions{display:flex;gap:12px;align-items:center;margin-top:32px;flex-wrap:wrap}
    .btn{min-height:52px;padding:15px 24px;border:1px solid var(--jade);background:var(--jade);color:var(--ink);display:inline-flex;align-items:center;justify-content:center;gap:22px;border-radius:999px;font-size:13px;font-weight:750;cursor:pointer;box-shadow:0 12px 30px rgba(0,0,0,.15);transition:background .2s,color .2s,border-color .2s,transform .2s,box-shadow .2s}
    .btn:hover{background:var(--paper);border-color:var(--paper);transform:translateY(-3px);box-shadow:0 18px 38px rgba(0,0,0,.22)}
    .btn.ghost{background:transparent;color:var(--paper);border-color:rgba(244,241,232,.28)}
    .btn.ghost:hover{background:rgba(145,187,170,.12);border-color:var(--jade)}
    .hero-facts{display:flex;gap:0;margin-top:54px;border-top:1px solid var(--line);max-width:680px}
    .hero-fact{min-width:0;flex:1;padding:18px 18px 0 0;border-right:1px solid var(--line)}
    .hero-fact:not(:first-child){padding-left:18px}
    .hero-fact:last-child{border:0}
    .hero-fact strong{display:block;font-size:21px;font-weight:560}
    .hero-fact span{display:block;margin-top:7px;color:var(--muted);font:600 8px/1.35 var(--mono);letter-spacing:.1em;text-transform:uppercase}

    .demo{background:var(--ink);padding:clamp(32px,4vw,58px);display:grid;grid-template-rows:auto 1fr auto;min-width:0;position:relative}
    .demo-head{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-bottom:24px;border-bottom:1px solid var(--line)}
    .demo-head span{font:600 9px/1 var(--mono);letter-spacing:.14em;color:var(--jade)}
    .demo-status{display:flex;align-items:center;gap:8px}
    .demo-status::before{content:"";width:7px;height:7px;background:var(--jade);border-radius:50%;animation:pulse 2s ease-in-out infinite}
    .map-stage{min-height:600px;aspect-ratio:1/1;position:relative;align-self:center;width:min(100%,700px);margin:auto}
    .map-lines{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
    .map-lines path,.map-lines circle{fill:none;stroke:rgba(244,241,232,.14);stroke-width:1.2;vector-effect:non-scaling-stroke}
    .map-lines path{stroke-dasharray:380;stroke-dashoffset:0;transition:stroke .3s,stroke-width .3s,stroke-dashoffset .65s cubic-bezier(.2,.8,.2,1)}
    .map-lines path.active{stroke:var(--jade);stroke-width:2.4;animation:drawLine .7s cubic-bezier(.2,.8,.2,1)}
    .map-core{position:absolute;left:50%;top:50%;width:44%;aspect-ratio:1;transform:translate(-50%,-50%);border:1px solid rgba(244,241,232,.22);border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:34px;background:var(--ink);box-shadow:0 0 0 26px rgba(145,187,170,.025),0 0 90px rgba(145,187,170,.07)}
    .map-core::before{content:"";position:absolute;inset:16px;border:1px solid rgba(145,187,170,.14);border-radius:50%}
    .map-core-index{font:700 10px/1 var(--mono);letter-spacing:.16em;color:var(--jade);position:relative}
    .map-core-index.rolling{animation:numberRoll .38s cubic-bezier(.2,.8,.2,1)}
    .map-core h2{margin:18px 0 0;font-size:clamp(22px,2.7vw,38px);line-height:1;letter-spacing:-.045em;font-weight:520;position:relative;transition:opacity .16s,transform .25s}
    .map-core-lesson{min-height:34px;margin:14px 0 0;color:rgba(244,241,232,.72);font-size:11px;line-height:1.4;position:relative;transition:opacity .16s,transform .25s}
    .map-core-lesson.rolling{animation:lessonRoll .36s cubic-bezier(.2,.8,.2,1)}
    .map-core small{margin-top:12px;color:rgba(244,241,232,.62);font:600 8px/1.4 var(--mono);letter-spacing:.1em;position:relative}
    .map-core.switching h2,.map-core.switching small,.map-core.switching .map-core-lesson{opacity:0;transform:translateY(8px)}
    .map-node{position:absolute;left:var(--x);top:var(--y);width:48px;height:48px;transform:translate(-50%,-50%);border:1px solid rgba(244,241,232,.26);border-radius:50%;background:var(--ink);color:rgba(244,241,232,.58);cursor:pointer;font:650 9px/1 var(--mono);transition:background .2s,color .2s,border-color .2s,transform .25s}
    .map-node svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.5}
    .map-node:hover,.map-node.active{background:var(--paper);color:var(--ink);border-color:var(--paper);transform:translate(-50%,-50%) scale(1.13)}
    .map-node.active{box-shadow:0 0 0 8px rgba(145,187,170,.12)}
    .map-caption{min-height:64px;padding-top:22px;border-top:1px solid var(--line);display:flex;align-items:flex-start;justify-content:space-between;gap:30px;color:rgba(244,241,232,.54);font-size:12px;line-height:1.5}
    .map-caption strong{color:var(--jade);font:650 9px/1 var(--mono);letter-spacing:.12em;white-space:nowrap}

    .section{background:var(--ink);padding:140px clamp(20px,5vw,76px);color:var(--paper);overflow:hidden}
    .section-shell{max-width:var(--max);margin:0 auto}
    .section h2{margin:0;font-size:clamp(58px,7vw,108px);line-height:.88;letter-spacing:-.073em;font-weight:500}
    .section h2 span{display:block;color:var(--jade)}
    .section-copy{max-width:700px}
    .section-copy .eyebrow{margin-bottom:30px}
    .section-copy p{max-width:530px;margin:30px 0 0;color:rgba(244,241,232,.62);font-size:16px;line-height:1.55}

    .shift-grid{display:grid;grid-template-columns:minmax(320px,.7fr) minmax(650px,1.3fr);gap:clamp(60px,8vw,130px);align-items:center}
    .assignment-stack{min-height:770px;position:relative;perspective:1600px}
    .stack-shot{margin:0;position:absolute;background:var(--ink);border:1px solid rgba(145,187,170,.38);border-radius:24px;box-shadow:0 34px 90px rgba(0,0,0,.58),0 0 34px rgba(145,187,170,.09);overflow:hidden;transition:transform .6s cubic-bezier(.2,.8,.2,1),opacity .4s,border-color .4s;animation:panelLift 7s ease-in-out infinite}
    .stack-shot figcaption,.real-shot figcaption{height:46px;padding:0 15px;display:flex;align-items:center;gap:9px;border-bottom:1px solid rgba(255,255,255,.12);background:var(--ink);color:rgba(244,241,232,.86);font:700 8px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase}.stack-shot figcaption svg,.real-shot figcaption svg{width:15px;height:15px;stroke:var(--jade)}
    .stack-shot img{display:block;width:100%;height:calc(100% - 46px);object-fit:cover;object-position:left top;filter:brightness(1.07) contrast(1.08) saturate(.92)}
    .stack-shot.back{width:50%;height:310px;right:-26%;top:-6px;z-index:5;transform:rotateY(-6deg) rotateX(1deg) translateZ(50px)}
    .stack-shot.side{width:42%;height:310px;right:-28%;bottom:32px;z-index:5;transform:rotateY(-4deg) rotateZ(1deg) translateZ(55px);animation-delay:-2.6s;border-color:rgba(167,139,250,.48);box-shadow:0 34px 90px rgba(0,0,0,.6),0 0 38px rgba(167,139,250,.1)}
    .assignment-ui{min-height:650px;background:var(--white);color:var(--ink);border:1px solid rgba(252,251,247,.32);border-radius:28px;box-shadow:0 40px 120px rgba(0,0,0,.52);position:absolute;left:0;right:10%;top:76px;z-index:3;overflow:hidden;transform:rotateY(2.5deg) rotateX(.7deg);transform-origin:left center;transition:transform .6s cubic-bezier(.2,.8,.2,1);animation:windowFloat 8s ease-in-out infinite}
    .assignment-stack:hover .assignment-ui{transform:rotateY(.6deg) rotateX(0) translateY(-10px)}.assignment-stack:hover .stack-shot.back{transform:rotateY(-2deg) rotateX(0) translateZ(-10px) translateY(-8px);border-color:var(--jade)}.assignment-stack:hover .stack-shot.side{transform:rotateY(-1deg) rotateZ(.3deg) translateZ(75px) translateY(-10px);border-color:var(--violet)}
    .shot-status{position:absolute;right:13px;top:56px;z-index:4;display:flex;align-items:center;gap:7px;padding:7px 10px;border-radius:999px;background:rgba(8,10,9,.9);color:var(--paper);font:700 7px/1 var(--mono);letter-spacing:.1em;box-shadow:0 8px 22px rgba(0,0,0,.22)}.shot-status i{width:6px;height:6px;border-radius:50%;background:var(--jade);box-shadow:0 0 0 5px rgba(145,187,170,.12);animation:pulse 2s ease-in-out infinite}.stack-shot.side .shot-status i{background:var(--violet);box-shadow:0 0 0 5px rgba(167,139,250,.12)}
    .ui-bar{height:58px;padding:0 20px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line-dark);font:650 8px/1 var(--mono);letter-spacing:.13em;text-transform:uppercase}
    .ui-dots{display:flex;gap:7px}.ui-dots i{width:6px;height:6px;border-radius:50%;background:var(--jade)}.ui-dots i:nth-child(2){background:var(--sapphire)}.ui-dots i:nth-child(3){background:var(--violet)}
    .assignment-body{display:grid;grid-template-columns:190px minmax(0,1fr);min-height:592px}
    .flow-tabs{border-right:1px solid var(--line-dark);display:flex;flex-direction:column;background:#F0EEE7}
    .flow-tab{flex:1;min-height:92px;padding:20px;border:0;border-bottom:1px solid var(--line-dark);background:transparent;color:#555A58;text-align:left;cursor:pointer;transition:background .22s,color .22s,transform .22s}
    .flow-tab:last-child{border-bottom:0}.flow-tab:hover,.flow-tab.active{background:var(--ink);color:var(--paper)}
    .flow-tab span{display:flex;align-items:center;justify-content:flex-end;color:var(--ink);font:650 8px/1 var(--mono);letter-spacing:.12em}.flow-tab:nth-child(2) span,.flow-tab:nth-child(3) span{color:var(--ink)}.flow-tab svg{width:19px;height:19px;stroke:currentColor}.flow-tab strong{display:block;margin-top:9px;font-size:12px;font-weight:700;color:inherit}
    .flow-canvas{padding:clamp(32px,4vw,58px);background:var(--paper);position:relative;display:flex;flex-direction:column;justify-content:space-between}
    .flow-number{display:none}
    .flow-focus{position:relative;z-index:1}.flow-focus small{color:var(--jade);font:650 9px/1 var(--mono);letter-spacing:.14em}.flow-focus h3{max-width:560px;margin:22px 0 0;font-size:clamp(38px,4vw,64px);line-height:.94;letter-spacing:-.055em;font-weight:520}.flow-focus p{max-width:470px;margin:22px 0 0;color:#606462;font-size:14px;line-height:1.5}
    .flow-kicker{display:none}
    .flow-pipeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));position:relative;border:1px solid var(--line-dark);background:var(--white);z-index:1}
    .flow-step{min-height:118px;padding:18px;border:0;border-right:1px solid var(--line-dark);background:transparent;color:#575C5A;text-align:left;cursor:pointer;position:relative;transition:background .22s,color .22s,transform .28s}.flow-step:last-child{border-right:0}
    .flow-step::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:3px;background:var(--jade);transition:right .55s cubic-bezier(.2,.8,.2,1)}.flow-step:nth-child(2)::after{background:var(--sapphire)}.flow-step:nth-child(3)::after{background:var(--violet)}
    .flow-step.active{background:var(--ink);color:var(--paper);transform:translateY(-8px);box-shadow:0 16px 38px rgba(0,0,0,.18)}.flow-step.active::after{right:0}
    .flow-step span{display:block;color:var(--ink)}.flow-step:nth-child(2) span,.flow-step:nth-child(3) span{color:var(--ink)}.flow-step span svg{width:18px;height:18px;fill:none;stroke:currentColor}.flow-step.active span{color:var(--paper)}.flow-step strong{display:block;margin-top:28px;font-size:11px;font-weight:700}

    .course-head{display:flex;align-items:end;justify-content:space-between;gap:60px;margin-bottom:70px}.course-head h2{max-width:900px}.course-head p{max-width:360px;margin:0 0 4px;color:rgba(244,241,232,.58);line-height:1.5}
    .course-console-wrap{position:relative;perspective:1600px;padding-bottom:92px}
    .course-console{border:1px solid rgba(252,251,247,.28);border-radius:30px;background:var(--white);color:var(--ink);box-shadow:0 40px 120px rgba(0,0,0,.52);overflow:hidden;transform:rotateX(.6deg) rotateY(-.8deg);transform-origin:center top;transition:transform .6s cubic-bezier(.2,.8,.2,1)}.course-console-wrap:hover .course-console{transform:none}
    .course-icon-card{position:absolute;right:5%;top:-34px;z-index:5;min-width:230px;padding:14px 18px;background:var(--ink);color:var(--paper);border:1px solid rgba(255,255,255,.16);border-radius:18px;box-shadow:0 20px 55px rgba(0,0,0,.35);display:flex;align-items:center;gap:13px;transform:rotate(1.8deg)}.course-icon-card svg{width:25px;height:25px;stroke:var(--jade)}.course-icon-card strong{font-size:10px;letter-spacing:.04em}.course-icon-card span{display:block;margin-top:4px;color:rgba(244,241,232,.58);font:650 7px/1 var(--mono);letter-spacing:.1em}
    .course-bar{height:58px;padding:0 20px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line-dark);font:650 8px/1 var(--mono);letter-spacing:.12em}
    .course-live{display:flex;align-items:center;gap:8px;color:rgba(244,241,232,.72)}.course-live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--jade);animation:pulse 2s ease-in-out infinite}
    .course-body{display:grid;grid-template-columns:290px minmax(0,1fr);min-height:720px}
    .track-list{background:var(--ink);color:var(--paper);display:flex;flex-direction:column;border-right:1px solid var(--line-dark)}
    .track{flex:1;min-height:74px;padding:14px 18px;border:0;border-bottom:1px solid var(--line);background:transparent;color:rgba(244,241,232,.48);display:grid;grid-template-columns:36px minmax(0,1fr);gap:10px;align-items:center;text-align:left;cursor:pointer;transition:background .22s,color .22s,padding .22s}
    .track:last-child{border-bottom:0}.track:hover,.track.active{background:rgba(145,187,170,.08);color:var(--paper);padding-left:24px}.track-icon{width:28px;height:28px;border:1px solid rgba(244,241,232,.14);border-radius:9px;display:grid;place-items:center;color:var(--jade)}.track-icon svg{width:14px;height:14px;fill:none;stroke:currentColor}.track:nth-child(3n+2) .track-icon{color:var(--sapphire)}.track:nth-child(3n) .track-icon{color:var(--violet)}.track strong{font-size:11px;font-weight:620;line-height:1.25}
    .lesson-stage{display:grid;grid-template-rows:minmax(0,1fr) 190px;background:var(--paper);position:relative;overflow:hidden}
    .lesson-main{padding:clamp(42px,6vw,90px);display:grid;grid-template-columns:minmax(260px,.9fr) minmax(340px,1.1fr);gap:clamp(45px,7vw,110px);position:relative}
    .lesson-main::after{display:none}
    .lesson-title{position:relative;z-index:1}.lesson-title small{color:var(--jade-ink);font:650 9px/1 var(--mono);letter-spacing:.14em}.lesson-title h3{margin:28px 0 0;font-size:clamp(46px,5vw,80px);font-weight:510;line-height:.92;letter-spacing:-.065em;transition:opacity .18s,transform .28s}
    .lesson-list{align-self:end;border-top:1px solid var(--line-dark);position:relative;z-index:1}
    .lesson{min-height:68px;padding:18px 14px;border-bottom:1px solid var(--line-dark);display:grid;grid-template-columns:38px minmax(0,1fr);gap:12px;align-items:center;color:#686C6A;font-size:13px;position:relative;transition:background .22s,color .22s,padding .22s}
    .lesson::after{content:"";position:absolute;left:0;right:100%;bottom:-1px;height:2px;background:var(--jade);transition:right 1s linear}.lesson.active{background:var(--white);color:var(--ink);padding-left:22px}.lesson.active::after{right:0}.lesson-icon{width:24px;height:24px;border-radius:50%;background:var(--ink);display:grid!important;place-items:center;color:var(--paper)!important}.lesson-icon svg{width:12px;height:12px;fill:none;stroke:currentColor}
    .course-build{background:var(--ink);color:var(--paper);display:grid;grid-template-columns:240px minmax(0,1fr);align-items:center;padding:26px 34px;border-top:1px solid var(--line)}
    .course-build strong{font-size:13px;font-weight:600}.course-build span{display:block;margin-top:7px;color:var(--jade);font:650 8px/1 var(--mono);letter-spacing:.1em}
    .build-line{display:grid;grid-template-columns:repeat(5,1fr);position:relative}.build-line::before{content:"";position:absolute;left:6%;right:6%;top:50%;height:1px;background:rgba(244,241,232,.18)}
    .build-point{width:40px;height:40px;border-radius:50%;border:1px solid rgba(244,241,232,.25);background:var(--ink);display:grid;place-items:center;justify-self:center;position:relative;color:rgba(244,241,232,.5)}.build-point svg{width:16px;height:16px;fill:none;stroke:currentColor}.build-point.active{background:var(--jade);border-color:var(--jade);color:var(--ink);box-shadow:0 0 0 8px rgba(145,187,170,.1)}
    .real-shot{position:absolute;right:-7%;top:48%;bottom:auto;z-index:6;width:min(390px,31vw);margin:0;background:var(--ink);border:1px solid rgba(99,179,237,.5);border-radius:24px;box-shadow:0 32px 86px rgba(0,0,0,.62),0 0 38px rgba(99,179,237,.12);transform:rotate(-1.4deg) translateZ(80px);overflow:hidden;transition:transform .55s cubic-bezier(.2,.8,.2,1),border-color .3s;animation:panelLift 7.6s ease-in-out infinite -1.8s}.real-shot:hover{transform:rotate(0) translate(-14px,-10px) translateZ(95px);border-color:var(--sapphire)}.real-shot img{display:block;width:100%;height:240px;object-fit:cover;object-position:left top;filter:brightness(1.08) contrast(1.09) saturate(.94)}.real-shot .shot-status i{background:var(--sapphire);box-shadow:0 0 0 5px rgba(99,179,237,.12)}

    .offer{padding-top:170px}.choice-head{display:flex;align-items:end;justify-content:space-between;gap:70px;margin-bottom:72px}.choice-head h2{max-width:900px}.choice-head p:last-child{max-width:390px;margin:0 0 5px;color:rgba(244,241,232,.6);font-size:15px;line-height:1.55}
    .offer-stage{position:relative;perspective:1800px;padding:38px 0 92px}.offer-stage::before{content:"";position:absolute;left:7%;right:7%;bottom:40px;height:90px;background:rgba(0,0,0,.55);filter:blur(45px);border-radius:50%}
    .offer-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;align-items:stretch;position:relative;z-index:2;transform-style:preserve-3d}
    .product-card{--accent:var(--claude);min-height:580px;padding:30px;background:var(--white);color:var(--ink);border:1px solid rgba(252,251,247,.48);border-radius:34px;box-shadow:0 32px 82px rgba(0,0,0,.42);display:flex;flex-direction:column;position:relative;overflow:hidden;transform:rotateY(3.2deg) rotateX(1.2deg) translateZ(0);transform-origin:right center;transition:transform .55s cubic-bezier(.2,.8,.2,1),box-shadow .55s,border-color .3s}
    .product-card:nth-child(2){--accent:var(--jade);transform:translateY(-28px) translateZ(38px);z-index:3}.product-card:nth-child(3){--accent:var(--codex);transform:rotateY(-3.2deg) rotateX(1.2deg);transform-origin:left center}
    .product-card:hover,.product-card:focus-within{transform:translateY(-38px) translateZ(74px);box-shadow:0 54px 120px rgba(0,0,0,.58);border-color:var(--accent);z-index:5}
    .product-card::before{content:"";position:absolute;inset:0 auto auto 0;width:100%;height:4px;background:var(--accent)}.product-card::after{content:"";position:absolute;width:230px;height:230px;right:-110px;top:-110px;border:1px solid color-mix(in srgb,var(--accent) 42%,transparent);border-radius:50%;box-shadow:0 0 0 28px color-mix(in srgb,var(--accent) 7%,transparent),0 0 0 58px color-mix(in srgb,var(--accent) 4%,transparent)}
    .product-top{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;position:relative;z-index:1}.product-icon{width:64px;height:64px;border:1px solid rgba(0,0,0,.9);border-radius:19px;background:var(--ink);display:grid;place-items:center;box-shadow:0 12px 24px rgba(0,0,0,.22);overflow:hidden;transition:transform .4s}.product-card:hover .product-icon{transform:translateY(-4px) rotate(-2deg)}.product-icon img{width:34px;height:34px;object-fit:contain;display:block}.product-icon.codex img{width:64px;height:64px}.product-icon.duo{width:92px;display:flex;padding:9px 10px;gap:8px;justify-content:center}.product-icon.duo img{width:32px;height:32px;border-radius:10px}.product-icon.duo img+img{margin-left:0;box-shadow:none}
    .product-badge{padding:9px 12px;border:1px solid color-mix(in srgb,var(--accent) 48%,transparent);border-radius:999px;color:var(--ink);background:color-mix(in srgb,var(--accent) 12%,var(--white));font:750 7px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase}
    .product-card h3{max-width:390px;margin:38px 0 0;font-size:clamp(38px,3.6vw,60px);font-weight:610;line-height:.92;letter-spacing:-.055em;position:relative;z-index:1;color:var(--ink)}.product-card h3 span{display:block;color:var(--ink)}.product-card h3 small{display:block;margin-top:8px;font-size:.48em;line-height:1.05;letter-spacing:-.035em;color:var(--accent);font-weight:700}
    .product-card>p{max-width:390px;margin:22px 0 0;color:#373B39;font-size:13px;font-weight:520;line-height:1.5;position:relative;z-index:1}.product-meta{display:flex;gap:16px;flex-wrap:wrap;margin-top:26px;position:relative;z-index:1}.product-meta span{display:flex;align-items:center;gap:7px;color:#343836;font:700 8px/1 var(--mono);letter-spacing:.08em}.product-meta svg{width:14px;height:14px;stroke:var(--ink);fill:none}
    .free-intro{margin-top:24px!important;padding:13px 14px;border:1px solid color-mix(in srgb,var(--claude) 48%,transparent);border-radius:16px;background:color-mix(in srgb,var(--claude) 9%,var(--white));color:#262927!important;display:flex;align-items:center;gap:10px}.free-intro svg{width:17px;height:17px;stroke:var(--ink);fill:none;flex:0 0 auto}
    .product-buy{margin-top:auto;padding-top:28px;border-top:1px solid var(--line-dark);display:flex;align-items:end;justify-content:space-between;gap:18px;position:relative;z-index:1}.price strong{display:block;font-size:44px;font-weight:620;letter-spacing:-.055em;line-height:1}.price span{display:block;margin-top:8px;color:#525754;font:700 7px/1.3 var(--mono);letter-spacing:.08em}.product-buy .btn{min-height:46px;padding:12px 17px;gap:12px;background:var(--ink);border-color:var(--ink);color:var(--paper);font-size:11px}.product-buy .btn:hover{background:var(--accent);border-color:var(--accent);color:var(--ink)}
    .bundle-card{background:var(--ink);color:var(--paper);border-color:rgba(145,187,170,.52)}.bundle-card h3,.bundle-card h3 span{color:var(--paper)}.bundle-card h3 small{color:var(--jade)}.bundle-card>p{color:rgba(244,241,232,.74)}.bundle-card .product-badge{color:var(--paper);background:rgba(145,187,170,.1)}.bundle-card .product-meta span,.bundle-card .price span{color:rgba(244,241,232,.72)}.bundle-card .product-meta svg{stroke:var(--paper)}.bundle-card .product-buy{border-color:var(--line)}.bundle-card::after{opacity:.7}.bundle-card .product-icon{background:#050505}.bundle-card .product-buy .btn{background:var(--jade);border-color:var(--jade);color:var(--ink)}
    .advanced-path{position:relative;z-index:3;margin-top:18px;border:1px solid var(--line);border-radius:20px;padding:18px 22px;display:flex;align-items:center;justify-content:space-between;gap:24px;color:rgba(244,241,232,.62);font-size:12px;background:rgba(255,255,255,.025)}.advanced-path strong{color:var(--paper);font-weight:650}.advanced-path a{padding:11px 16px;border-radius:999px;background:var(--paper);color:var(--ink);font:750 9px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;white-space:nowrap}

    .hero-white{color:var(--paper)}
    .code-stack{min-height:720px}.code-workbench{right:0;top:42px;min-height:640px;background:#080b0a;border-color:rgba(145,187,170,.32);color:var(--paper);transform:rotateY(-2deg) rotateX(.8deg);box-shadow:0 52px 150px rgba(0,0,0,.72),0 0 70px rgba(145,187,170,.06)}
    .code-workbench .ui-bar{border-color:rgba(255,255,255,.1);background:#0b0e0d;color:rgba(244,241,232,.66)}
    .code-assignment-body{display:grid;grid-template-columns:160px minmax(0,1fr) 220px;min-height:582px}.code-files{padding:18px 12px;background:#0b0e0d;border-right:1px solid rgba(255,255,255,.09)}.code-files-title{padding:4px 9px 15px;color:rgba(244,241,232,.38);font:700 8px/1 var(--mono);letter-spacing:.14em}.code-file{min-height:40px;padding:0 9px;border-radius:10px;display:flex;align-items:center;gap:9px;color:rgba(244,241,232,.48);font:600 9px/1 var(--mono)}.code-file.active{background:rgba(145,187,170,.1);color:var(--paper)}.code-file svg{width:15px;height:15px;fill:none;stroke:var(--jade)}.code-files-status{margin-top:24px;padding:13px 9px;border-top:1px solid rgba(255,255,255,.08);display:flex;align-items:center;gap:8px;color:rgba(244,241,232,.5);font:600 7px/1.35 var(--mono)}.code-files-status i{width:7px;height:7px;border-radius:50%;background:var(--jade);box-shadow:0 0 0 5px rgba(145,187,170,.09)}
    .code-editor{min-width:0;background:#101412;display:grid;grid-template-rows:42px minmax(0,1fr) 58px}.code-tab{padding:0 18px;display:flex;align-items:center;gap:9px;border-bottom:1px solid rgba(255,255,255,.08);color:rgba(244,241,232,.62);font:600 8px/1 var(--mono)}.code-tab i{width:5px;height:5px;border-radius:50%;background:var(--jade)}.code-braces{color:var(--sapphire)}.code-lines{padding:30px 0;font:500 11px/1.9 var(--mono);overflow:hidden}.code-lines>div{min-height:30px;padding:4px 20px;display:grid;grid-template-columns:28px minmax(0,1fr);border-left:2px solid transparent;transition:background .3s,border-color .3s,transform .3s}.code-lines b{color:rgba(244,241,232,.18);font-weight:500}.code-lines code{white-space:nowrap;color:rgba(244,241,232,.8)}.code-line.active{background:rgba(145,187,170,.07);border-left-color:var(--jade);transform:translateX(3px)}.syntax-jade{color:#91BBAA}.syntax-blue{color:#63B3ED}.syntax-violet{color:#A78BFA}.syntax-orange{color:#E89362}.code-console{padding:0 20px;border-top:1px solid rgba(255,255,255,.08);display:flex;align-items:center;gap:10px;color:rgba(244,241,232,.62);font:600 8px/1.4 var(--mono)}.console-mark{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:rgba(145,187,170,.12);color:var(--jade)}
    .code-inspector{display:grid;grid-template-rows:300px minmax(0,1fr);border-left:1px solid rgba(255,255,255,.09);background:#0b0e0d}.code-inspector .flow-tabs{display:grid;grid-template-columns:1fr 1fr;background:transparent;border:0}.code-inspector .flow-tab{min-height:0;padding:18px 15px;border:0;border-right:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08);color:rgba(244,241,232,.5)}.code-inspector .flow-tab:nth-child(even){border-right:0}.code-inspector .flow-tab:hover,.code-inspector .flow-tab.active{background:rgba(145,187,170,.1);color:var(--paper)}.code-inspector .flow-tab span{color:var(--jade);justify-content:flex-start}.code-inspector .flow-focus{padding:26px 20px}.code-inspector .flow-focus h3{margin-top:14px;font-size:25px;line-height:.95}.code-inspector .flow-focus p{margin-top:14px;color:rgba(244,241,232,.48);font-size:11px}
    .code-float{position:absolute;z-index:8;border:1px solid rgba(255,255,255,.15);border-radius:17px;background:#111513;color:var(--paper);box-shadow:0 24px 60px rgba(0,0,0,.48);display:flex;align-items:center;gap:12px;animation:panelLift 7s ease-in-out infinite}.code-float-run{right:-24px;top:10px;padding:14px 18px}.code-float-output{left:-36px;bottom:2px;padding:15px 18px;animation-delay:-2.4s}.code-float-icon{width:30px;height:30px;border-radius:10px;background:var(--jade);color:var(--ink);display:grid;place-items:center;font-weight:800}.code-float strong{display:block;font-size:10px}.code-float small{display:block;margin-top:4px;color:rgba(244,241,232,.48);font:600 7px/1 var(--mono)}.code-float-dot{width:9px;height:9px;border-radius:50%;background:var(--sapphire);box-shadow:0 0 0 6px rgba(99,179,237,.09)}.code-pulse{width:34px;height:15px;margin-left:12px;background:linear-gradient(90deg,transparent 0 10%,var(--jade) 10% 18%,transparent 18% 27%,var(--sapphire) 27% 43%,transparent 43% 51%,var(--violet) 51% 69%,transparent 69%);opacity:.8}
    .course-console{background:#0b0e0d;color:var(--paper);border-color:rgba(145,187,170,.28)}.course-bar{border-color:rgba(255,255,255,.1);background:#080a09;color:rgba(244,241,232,.66)}.course-body{grid-template-columns:270px minmax(0,1fr)}.lesson-stage{background:#0f1311;color:var(--paper);grid-template-rows:minmax(0,1fr) 150px}.lesson-main{grid-template-columns:minmax(245px,.7fr) minmax(420px,1.3fr);padding:54px;gap:52px}.lesson-title h3{font-size:clamp(40px,4vw,68px)}.lesson-list{align-self:stretch;border:1px solid rgba(255,255,255,.1);border-radius:20px;overflow:hidden;background:#0a0d0c;box-shadow:0 24px 70px rgba(0,0,0,.34)}.lesson{border-color:rgba(255,255,255,.08);color:rgba(244,241,232,.5)}.lesson.active{background:rgba(145,187,170,.09);color:var(--paper)}.lesson-icon{background:rgba(145,187,170,.12);color:var(--jade)!important}.course-build{grid-template-columns:220px minmax(0,1fr);background:#080a09}.course-code-float{position:absolute;right:4%;top:-28px;z-index:6;width:330px;border:1px solid rgba(99,179,237,.34);border-radius:18px;background:#121715;color:var(--paper);box-shadow:0 28px 75px rgba(0,0,0,.55);overflow:hidden;transform:rotate(1.5deg);animation:panelLift 7.5s ease-in-out infinite -2s}.course-code-head{height:38px;padding:0 13px;border-bottom:1px solid rgba(255,255,255,.09);display:flex;align-items:center;justify-content:space-between;color:rgba(244,241,232,.48);font:650 7px/1 var(--mono)}.course-code-body{padding:16px 18px;font:500 9px/1.8 var(--mono)}.course-code-body div{color:rgba(244,241,232,.7)}.course-code-status{margin-top:10px;padding-top:10px;border-top:1px solid rgba(255,255,255,.08);color:var(--jade)!important}.course-icon-card,.real-shot{display:none}
    .offer-picker{position:relative}.offer-picker summary{list-style:none;min-height:46px;padding:0 15px;border-radius:999px;background:var(--ink);color:var(--paper);display:flex;align-items:center;justify-content:center;gap:10px;cursor:pointer;font:750 9px/1 var(--mono);letter-spacing:.06em;text-transform:uppercase}.offer-picker summary::-webkit-details-marker{display:none}.offer-picker>div{position:absolute;right:0;bottom:56px;width:245px;padding:8px;border:1px solid rgba(0,0,0,.16);border-radius:18px;background:var(--white);box-shadow:0 22px 55px rgba(0,0,0,.24)}.offer-picker a{min-height:48px;padding:8px 10px;border-radius:12px;display:grid;grid-template-columns:28px minmax(0,1fr) auto;gap:9px;align-items:center;color:var(--ink);font-size:10px}.offer-picker a:hover{background:rgba(145,187,170,.13)}.offer-picker img{width:25px;height:25px;object-fit:contain}.offer-picker b{font-size:14px}.system-card{--accent:var(--sapphire)}.system-icon svg{width:28px;height:28px;fill:none;stroke:var(--jade)}.system-proof{margin-top:22px;padding:14px 15px;border:1px solid rgba(99,179,237,.28);border-radius:15px;background:rgba(99,179,237,.08);display:flex;justify-content:space-between;gap:12px;color:#3f4643;font:700 8px/1.3 var(--mono)}.system-proof strong{color:var(--ink)}.system-card .offer-picker summary{background:var(--ink)}

    .capture{padding:130px clamp(20px,5vw,76px);background:var(--paper);color:var(--ink)}.capture-shell{max-width:980px;margin:auto;padding:clamp(30px,5vw,62px);border:1px solid rgba(8,10,9,.18);border-radius:34px;background:var(--white);box-shadow:0 30px 90px rgba(0,0,0,.16);display:grid;grid-template-columns:1fr minmax(320px,.8fr);gap:50px;align-items:center}.capture h2{margin:0;font-size:clamp(44px,6vw,76px);line-height:.92;letter-spacing:-.06em;font-weight:520}.capture p{margin:24px 0 0;color:#555A58;line-height:1.55}.capture-form{display:grid;gap:12px}.capture-form label{font:700 9px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase}.capture-form input{width:100%;min-height:54px;padding:0 18px;border:1px solid rgba(8,10,9,.28);border-radius:15px;background:var(--paper);color:var(--ink);font:500 16px/1 var(--sans)}.capture-form input:focus{outline:3px solid var(--jade);outline-offset:2px}.capture-form .hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}.capture-state{display:none;margin:12px 0 0!important;font-size:13px}.capture-state.ok{color:var(--jade-ink)}.capture-state.err{color:#8B3328}.capture-form[aria-busy="true"] button{opacity:.65;pointer-events:none}
    footer{min-height:190px;padding:42px clamp(20px,5vw,76px);background:var(--ink);display:grid;grid-template-columns:1fr auto auto;align-items:end;gap:28px;border-top:1px solid var(--line)}
    footer strong{font-size:12px;letter-spacing:.2em}footer p{margin:10px 0 0;color:rgba(244,241,232,.62);font-size:12px}
    .footer-links{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:18px}.footer-links a{min-height:44px;display:flex;align-items:center;color:rgba(244,241,232,.72);font-size:12px}.footer-meta{grid-column:1/-1;padding-top:20px;border-top:1px solid var(--line);color:rgba(244,241,232,.62);font:500 9px/1.4 var(--mono);letter-spacing:.1em;text-transform:uppercase}
    .footer-socials{display:flex;gap:8px}.footer-socials a{width:44px;height:44px;border:1px solid rgba(244,241,232,.18);border-radius:50%;display:grid;place-items:center;color:var(--paper);transition:background .2s,color .2s,border-color .2s,transform .2s}.footer-socials a:hover{background:var(--jade);color:var(--ink);border-color:var(--jade);transform:translateY(-3px)}.footer-socials svg{width:17px;height:17px;fill:currentColor}
    .mobile-buy{display:none}

    @keyframes pulse{0%,100%{opacity:.45;transform:scale(.8)}50%{opacity:1;transform:scale(1.15)}}
    @keyframes drawLine{from{stroke-dashoffset:380}to{stroke-dashoffset:0}}
    @keyframes drawPath{to{stroke-dashoffset:0}}
    @keyframes blockIn{to{opacity:1;transform:none}}
    @keyframes numberRoll{0%{opacity:0;transform:translateY(12px)}100%{opacity:1;transform:none}}
    @keyframes lessonRoll{0%{opacity:0;transform:translateY(8px)}100%{opacity:1;transform:none}}
    @keyframes windowFloat{0%,100%{translate:0 0}50%{translate:0 -7px}}
    @keyframes panelLift{0%,100%{translate:0 0}50%{translate:0 -8px}}
    @media(max-width:1050px){
      .hero{grid-template-columns:1fr}
      .hero-copy{border-right:0;min-height:720px}
      .demo{min-height:760px}
      .shift-grid{grid-template-columns:1fr;gap:70px}
      .course-head{display:block}.course-head p{margin-top:28px}
      .course-body{grid-template-columns:220px minmax(0,1fr)}
      .real-shot{display:none}.course-console-wrap{padding-bottom:0}
      .lesson-main{grid-template-columns:1fr;gap:48px}
      .offer-grid{grid-template-columns:1fr 1fr}.product-card:nth-child(3){grid-column:1/-1;min-height:500px;transform:none}.product-card:nth-child(2){transform:translateY(-18px)}
    }
    @media(max-width:720px){
      .nav{height:64px;padding:0 18px}
      .nav-link,.buy-mini{display:none}
      .hero{min-height:auto}
      .hero-copy{min-height:auto;padding:70px 20px 44px}
      h1{font-size:clamp(48px,13vw,62px);letter-spacing:-.06em}
      .lead{font-size:15px}
      .hero-actions{flex-direction:column;align-items:stretch}
      .btn{width:100%}
      .hero-facts{display:grid;grid-template-columns:repeat(2,1fr)}
      .hero-fact{border-bottom:1px solid var(--line);padding:16px!important}
      .hero-fact:nth-child(2){border-right:0}
      .demo{min-height:620px;padding:26px 18px}
      .map-stage{min-height:0;width:100%;margin:22px auto}
      .map-core{width:48%;padding:20px}
      .map-core h2{font-size:20px}
      .map-node{width:44px;height:44px}
      .lang a,.motion-toggle{width:44px;height:44px}
      .section{padding:94px 20px}.section h2{font-size:clamp(54px,15vw,78px)}
      .assignment-stack{min-height:780px}.stack-shot,.code-float{display:none}.assignment-ui{position:relative;inset:auto;min-height:680px;transform:none;animation:none}.assignment-body{display:block}.flow-tabs{display:grid;grid-template-columns:repeat(4,1fr);border-right:0;border-bottom:1px solid var(--line-dark)}
      .code-workbench{min-height:760px}.code-assignment-body{display:block;min-height:0}.code-files{display:none}.code-editor{min-height:440px}.code-lines{padding:20px 0;font-size:8px}.code-lines>div{padding:3px 12px;grid-template-columns:24px minmax(0,1fr)}.code-inspector{display:block;border-left:0;border-top:1px solid rgba(255,255,255,.09)}.code-inspector .flow-tabs{grid-template-columns:repeat(4,1fr)}.code-inspector .flow-tab{min-height:76px;padding:12px 6px;border-right:1px solid rgba(255,255,255,.08);border-bottom:0}.code-inspector .flow-focus{padding:24px 18px}.code-inspector .flow-focus h3{font-size:28px}
      .flow-tab{min-height:72px;padding:14px 8px;text-align:center;border-right:1px solid var(--line-dark);border-bottom:0}.flow-tab:last-child{border-right:0}.flow-tab span{justify-content:center}.flow-tab strong,.track strong{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
      .flow-canvas{min-height:550px;padding:34px 20px}.flow-focus h3{font-size:42px}.flow-pipeline{grid-template-columns:1fr 1fr}.flow-step{min-height:104px;border-bottom:1px solid var(--line-dark)}.flow-step:nth-child(2){border-right:0}.flow-step:nth-child(n+3){border-bottom:0}
      .course-head{margin-bottom:44px}.course-console-wrap{padding-bottom:0}.course-console{margin-left:-8px;margin-right:-8px;transform:none}.course-icon-card,.real-shot,.course-code-float{display:none}
      .course-body{display:block;min-height:0}.track-list{display:grid;grid-template-columns:repeat(4,1fr);border-right:0;border-bottom:1px solid var(--line)}
      .track{min-height:64px;padding:12px;display:block;text-align:center;border-right:1px solid var(--line)}.track:nth-child(4n){border-right:0}.track:nth-child(-n+4){border-bottom:1px solid var(--line)}.track-icon{margin:auto}
      .lesson-stage{grid-template-rows:auto auto}.lesson-main{padding:42px 22px;display:block}.lesson-title h3{font-size:48px}.lesson-list{margin-top:50px}.lesson-main::after{font-size:180px}
      .course-build{grid-template-columns:1fr;gap:30px;padding:28px 22px}.build-point{width:32px;height:32px}
      .choice-head{display:block;margin-bottom:48px}.choice-head p:last-child{margin-top:24px}.offer-stage{padding-top:20px}.offer-grid{display:block}.product-card,.product-card:nth-child(2),.product-card:nth-child(3){min-height:520px;margin-bottom:18px;transform:none}.product-card:hover,.product-card:focus-within{transform:translateY(-6px)}.product-card h3{font-size:46px}.product-buy{align-items:flex-start;flex-direction:column}.product-buy .btn,.offer-picker,.offer-picker summary{width:100%}.offer-picker>div{left:0;right:auto;width:100%;bottom:56px}.advanced-path{align-items:flex-start;flex-direction:column}
      .capture{padding:94px 20px}.capture-shell{grid-template-columns:1fr;padding:30px 22px;gap:34px}.capture h2{font-size:48px}
      footer{padding-bottom:calc(94px + env(safe-area-inset-bottom));grid-template-columns:1fr;align-items:start}.footer-links{justify-content:flex-start}.footer-meta{grid-column:auto}
      .mobile-buy{display:flex;position:fixed;left:12px;right:12px;bottom:max(12px,env(safe-area-inset-bottom));z-index:60;box-shadow:0 14px 36px rgba(0,0,0,.34)}
    }
    .code-lines b{color:rgba(244,241,232,.66)}
    .course-console .lesson-title small{color:var(--jade)}
    @media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

/* The published palette, typography, light, map and composition remain the base. */
.hero-note{max-width:460px;margin:18px 0 0;color:rgba(244,241,232,.74);font-size:12px;line-height:1.6}
.hero-note a{display:block;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}
.hero-fact span{line-height:1.4}
.offer-choices{display:grid;width:100%;gap:8px}
.offer-choices a{display:grid;grid-template-columns:28px minmax(0,1fr) 16px;align-items:center;gap:10px;min-height:62px;padding:12px;border:1px solid var(--line-dark);border-radius:14px;background:var(--white);color:var(--ink);transition:background .2s,border-color .2s}
.offer-choices a:hover{background:#E4ECE5;border-color:var(--jade-ink)}
.offer-choices img{display:block;width:27px;height:27px;object-fit:contain}
.offer-choices strong{display:block;font-size:13px;line-height:1.3;letter-spacing:-.02em}
.offer-choices small{display:block;margin-top:4px;color:#525754;font-size:10px;line-height:1.5}
.offer-choices b{font-size:17px;font-weight:500}
.single-card .product-buy{flex-direction:column;align-items:stretch;gap:20px}
.product-buy{flex-direction:column;align-items:stretch;justify-content:flex-start;gap:18px;min-height:276px}
.product-buy>.btn,.product-buy>.offer-picker,.product-buy>.offer-choices{margin-top:auto}
.product-buy>.btn{justify-content:center}
.product-card .product-meta{line-height:1.5}
.product-card .product-meta span{line-height:1.5}
.product-card h3 small{color:#326452}
.bundle-card h3 small{color:var(--jade)}
.system-card h3 small{color:#354F65}
.product-card:focus-within{outline:2px solid var(--jade);outline-offset:5px}
.purchase-guide{max-width:820px;margin:46px auto 0;text-align:center;color:rgba(244,241,232,.79);font-size:14px;line-height:1.7}
.purchase-guide p{margin:0}
.purchase-guide p+p{margin-top:5px}
.purchase-guide nav{display:flex;gap:24px;flex-wrap:wrap;justify-content:center;margin-top:12px}
.purchase-guide nav a{min-height:44px;display:inline-flex;align-items:center;text-decoration:underline;text-underline-offset:4px}
.flow-focus p{line-height:1.5}
.code-files-title{color:rgba(244,241,232,.7)}
.flow-tab,.track,.map-node{scroll-margin-top:100px}
.offer-picker summary:focus-visible{outline:3px solid var(--jade-ink);outline-offset:4px}
.lang a{min-width:44px;min-height:44px}
.motion-toggle{min-width:44px;min-height:44px}
.nav-link{min-height:44px;align-content:center}
.brand{white-space:nowrap;flex-shrink:0}
.mobile-buy{visibility:hidden;opacity:0;pointer-events:none;min-width:0;width:auto}
.mobile-buy.is-visible{visibility:visible;opacity:1;pointer-events:auto}
.map-core small{font-size:9px;line-height:1.5}
@media(min-width:1200px){.hero h1{width:calc(100% + min(5vw,80px));max-width:none}}
@media(max-width:360px){.nav{padding-inline:16px}.nav-right{gap:8px}.nav .brand{font-size:10px;letter-spacing:.14em;gap:8px}.nav .brand img{width:26px;height:26px}.hero{grid-template-columns:minmax(0,1fr)}.hero-copy,.demo{min-width:0}.hero-actions .btn{min-width:0;padding-inline:16px;gap:12px;font-size:11px}}
.capture-form[aria-busy="true"] input{opacity:.65}
[data-cookie-consent-228]{gap:14px!important}
@media(max-width:600px){
  .hero-note{font-size:12px;margin-top:18px}
  .hero-copy{padding-bottom:32px}
  .hero-facts{margin-top:30px}
  .demo-head{font-size:9px;line-height:1.5}
  .map-caption{font-size:11px;line-height:1.6}
  .purchase-guide{margin-top:28px;text-align:left}
  .purchase-guide nav{justify-content:flex-start}
  .offer-choices a{min-height:70px}
  .offer-choices small{font-size:11px}
  [data-cookie-consent-228]{flex-wrap:wrap;padding:12px 14px!important;gap:10px!important}
  [data-cookie-consent-228]>span:first-child{flex:1 1 100%}
  [data-cookie-consent-228]>span:last-child{margin-left:auto}
}
@media(prefers-reduced-motion:reduce){.offer-choices a{transition:none}}
@media(max-width:360px){.hero h1{font-size:46px}}

/* Design-only finish. The existing LIVE tokens, content and controls are retained. */

/* A calmer masthead and a single, deliberate typographic scale. */
.nav-link{font-size:12px;color:rgba(244,241,232,.75)}
.buy-mini{min-height:44px;box-shadow:none}
.btn{box-shadow:none;transition:background .2s,color .2s,border-color .2s}
.btn:hover{transform:none;box-shadow:none}
.btn>span[aria-hidden],.offer-choices b{transition:translate .2s}
.btn:hover>span[aria-hidden],.offer-choices a:hover b{translate:3px 0}
.hero-copy{padding:clamp(64px,6vw,96px) clamp(28px,5vw,96px) 42px}
.hero h1{width:100%;max-width:none;font-size:clamp(72px,6.85vw,112px);line-height:.92;letter-spacing:-.065em}
.hero .eyebrow{margin-bottom:26px}
.lead{max-width:58ch;margin-top:30px;line-height:1.6}
.hero-actions{margin-top:28px}
.hero-facts{margin-top:38px}
.hero-fact{padding-top:20px}
.hero-fact strong{font-size:23px;font-weight:550;letter-spacing:-.035em}
.hero-fact span{font-size:10px;letter-spacing:.045em;color:rgba(244,241,232,.72)}
.demo{padding:clamp(28px,3vw,52px);row-gap:26px}
.demo-head{padding-bottom:20px}
.demo-status::before{animation:none}
.map-stage{min-height:0;width:min(100%,640px)}
.map-core{border-color:rgba(145,187,170,.3)}
.map-core::before{border-color:rgba(145,187,170,.16)}
.map-core h2{line-height:1.05}
.map-caption{padding-top:20px;min-height:56px;color:rgba(244,241,232,.68)}

/* Less empty space, with more room for complete phrases. */
.section{padding:96px clamp(20px,5vw,76px)}
.section[id],.capture[id]{scroll-margin-top:96px}
.section h2{font-size:clamp(48px,5.35vw,80px);line-height:1.01;letter-spacing:-.06em;text-wrap:balance}
.section-copy .eyebrow{margin-bottom:26px}
.section-copy p{margin-top:26px;line-height:1.65;color:rgba(244,241,232,.73)}
.shift-grid{grid-template-columns:minmax(0,.76fr) minmax(0,1.24fr);gap:clamp(40px,5vw,80px)}
.shift .section-copy{max-width:500px}
.code-stack{min-height:0;perspective:none}
.code-workbench{position:relative;inset:auto;min-height:0;transform:none;animation:none;border-radius:18px;box-shadow:0 24px 70px rgba(0,0,0,.24)}
.code-stack:hover .code-workbench{transform:none}
.code-assignment-body{grid-template-columns:116px minmax(0,1fr) 182px;min-height:480px}
.code-files{padding:18px 8px}
.code-file{padding-inline:5px;gap:7px;font-size:8px}
.code-lines{font-size:10px;overflow-x:auto;scrollbar-width:thin;scrollbar-color:var(--jade) transparent}
.code-lines>div{padding-inline:12px;grid-template-columns:24px minmax(0,1fr)}
.code-inspector{grid-template-rows:192px minmax(0,1fr)}
.code-inspector .flow-tab{padding:18px 12px}
.code-inspector .flow-focus{padding:24px 18px}
.code-inspector .flow-focus h3{font-size:26px;line-height:1.08}
.code-inspector .flow-focus p{font-size:12px;line-height:1.6;color:rgba(244,241,232,.7)}
.code-float,.course-code-float{display:none}

/* Keep the interactive program, remove its decorative perspective. */
.course{padding-top:44px}
.course-head,.choice-head{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(260px,.65fr);align-items:end;gap:64px;margin-bottom:42px}
.course-head p,.choice-head p:last-child{max-width:360px;font-size:15px;line-height:1.65;color:rgba(244,241,232,.73)}
.course-console-wrap{padding-bottom:0;perspective:none}
.course-console{transform:none;border-radius:20px;box-shadow:0 24px 70px rgba(0,0,0,.22)}
.course-body{grid-template-columns:248px minmax(0,1fr);min-height:592px}
.track{padding:14px 18px;color:rgba(244,241,232,.72);transition:background .2s,color .2s}
.track:hover,.track.active{padding-left:18px}
.track.active{box-shadow:inset 2px 0 0 var(--jade)}
.track strong{font-size:12px;line-height:1.4}
.lesson-stage{grid-template-rows:minmax(0,1fr) 112px}
.lesson-main{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);padding:clamp(28px,3vw,46px);gap:32px;align-items:center}
.lesson-title h3{margin-top:22px;font-size:clamp(36px,3.5vw,56px);line-height:1.02;letter-spacing:-.05em;text-wrap:balance}
.lesson-list{align-self:center;border-radius:12px;box-shadow:none}
.lesson{color:rgba(244,241,232,.7);line-height:1.5;padding-inline:12px;grid-template-columns:28px minmax(0,1fr)}
.lesson.active{padding-left:12px}
.course-build{padding:24px 28px;grid-template-columns:190px minmax(0,1fr)}
.course-bar,.ui-bar{font-size:10px;letter-spacing:.08em}

/* Product cards share edges and baselines; the Duo keeps its jade signature. */
.offer{padding-top:88px;border-top:1px solid var(--line)}
.choice-head{margin-bottom:44px}
.offer-stage{padding:0;perspective:none}
.offer-stage::before{display:none}
.offer-grid{gap:22px;transform-style:flat}
.product-card,.product-card:nth-child(2),.product-card:nth-child(3){min-height:0;padding:28px;border-radius:22px;transform:none;box-shadow:0 16px 46px rgba(0,0,0,.2);transition:border-color .2s,box-shadow .2s}
.product-card:hover,.product-card:focus-within{transform:none;box-shadow:0 20px 56px rgba(0,0,0,.28)}
.product-card::before{height:2px}
.product-card::after{display:none}
.product-top{min-height:48px;align-items:center;gap:12px}
.product-icon{width:48px;height:48px;border-radius:12px;box-shadow:none}
.product-icon.duo{width:76px;padding:7px 8px;gap:6px}
.product-icon.duo img{width:26px;height:26px;border-radius:8px}
.product-card:hover .product-icon{transform:none}
.product-badge{padding:9px 10px;font-size:10px;line-height:1.4;letter-spacing:.025em;white-space:normal;text-align:center}
.product-card h3{margin-top:28px;font-size:clamp(36px,3.2vw,48px);line-height:1.02;letter-spacing:-.05em}
.product-card h3 small{margin-top:10px;font-size:18px;line-height:1.35;letter-spacing:-.025em;font-weight:600}
.product-card>p{margin-top:20px;font-size:14px;line-height:1.6}
.product-meta{gap:10px 14px;margin-top:22px}
.product-meta span{font-size:12px;line-height:1.6;letter-spacing:0}
.free-intro{margin-top:20px!important;padding:12px;border-radius:10px;font-size:12px!important;background:color-mix(in srgb,var(--claude) 4%,var(--white));border-color:color-mix(in srgb,var(--claude) 25%,transparent)}
.system-proof{margin-top:20px;padding:12px;border-radius:10px;gap:8px;flex-wrap:wrap;font-size:12px;line-height:1.6;background:color-mix(in srgb,var(--sapphire) 4%,var(--white))}
.product-buy,.single-card .product-buy{margin-top:auto;padding-top:26px;min-height:306px;gap:22px}
.price strong{font-size:46px;line-height:1.05;font-weight:560;letter-spacing:-.05em;font-variant-numeric:lining-nums tabular-nums}
.price span{font-size:12px;line-height:1.6;letter-spacing:0}
.price>span>span{display:inline;margin-top:0}
.offer-choices{gap:8px}
.offer-choices a{padding:12px;border-radius:10px;min-height:66px;gap:10px}
.offer-choices small{font-size:12px}
.product-buy>.btn,.offer-picker summary{min-height:52px;font-family:var(--sans);font-size:12px;letter-spacing:0;text-transform:none}
.offer-picker>div{width:100%;border-radius:12px;bottom:62px}
.offer-picker a{min-height:56px;font-size:12px;border-radius:8px}
.purchase-guide{margin-top:32px;max-width:800px;font-size:13px;line-height:1.65}
.purchase-guide nav{margin-top:8px}
.capture{padding-block:88px}
.capture-shell{max-width:1150px;padding:56px;border-radius:22px;grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr);gap:72px;box-shadow:0 14px 46px rgba(0,0,0,.07)}
.capture h2{max-width:560px;font-size:clamp(42px,4.8vw,64px);line-height:1.02;letter-spacing:-.055em;text-wrap:balance}
.capture .eyebrow{margin:0 0 22px;color:var(--jade-ink);font-size:9px}
.capture p:not(.eyebrow){max-width:48ch;margin-top:24px;font-size:15px;line-height:1.65}
.capture-form{gap:14px}
.capture-form input{min-height:56px;border-radius:10px}
.capture-form label{font-size:12px}
#capHint{font-size:12px;line-height:1.6;color:#555A58}
.capture-form .btn{margin-top:4px;min-height:54px}
footer{padding-block:40px;gap:26px}
.footer-links{gap:14px 20px}
.footer-links a:hover{color:var(--jade)}
.footer-socials a:hover{transform:none}

@media(min-width:1051px){
  .hero{grid-template-columns:minmax(0,1.03fr) minmax(0,.97fr);min-height:min(calc(100svh - 72px),900px)}
}
@media(min-width:721px) and (max-width:1050px){
  .hero-copy{min-height:0;padding:70px 48px 48px}
  .hero h1{max-width:850px;font-size:clamp(76px,9vw,94px)}
  .lead{max-width:680px}
  .hero-facts{max-width:680px}
  .demo{min-height:0;padding:36px 48px;border-top:1px solid var(--line)}
  .map-stage{width:min(100%,580px)}
  .shift-grid{grid-template-columns:1fr;gap:40px}
  .shift .section-copy{max-width:740px}
  .section h2{font-size:clamp(52px,7.1vw,70px)}
  .course-head,.choice-head{display:block}
  .course-head p,.choice-head p:last-child{max-width:600px;margin-top:24px}
  .course-body{grid-template-columns:220px minmax(0,1fr)}
  .lesson-main{grid-template-columns:1fr;gap:28px;padding:30px}
  .lesson-title h3{max-width:440px;font-size:40px}
  .course-build{grid-template-columns:1fr;gap:24px}
  .lesson-stage{grid-template-rows:minmax(0,1fr) auto}
  .offer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .system-card{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);column-gap:32px}
  .system-card .product-top{grid-column:1/-1}
  .system-card h3,.system-card>p,.system-card .product-meta,.system-card .system-proof{grid-column:1}
  .system-card .product-buy{grid-column:2;grid-row:2/span 4;margin-top:28px;padding-top:0;padding-left:28px;border-top:0;border-left:1px solid var(--line-dark);min-height:0}
  .capture-shell{padding:40px;gap:38px;grid-template-columns:1fr}
  .capture-form{max-width:560px}
}
@media(max-width:720px){
  .hero-copy{padding:54px 20px 34px}
  .hero h1{font-size:clamp(46px,12.8vw,64px);letter-spacing:-.06em;line-height:.94}
  [data-lang="en"] .hero h1{font-size:clamp(36px,11.3vw,64px)}
  .hero .eyebrow{margin-bottom:26px}
  .lead{margin-top:28px;font-size:15px;line-height:1.6}
  .hero-actions{margin-top:26px;gap:10px}
  .hero-note{margin-top:16px}
  .hero-facts{margin-top:28px}
  .hero-fact strong{font-size:22px}
  .hero-fact span{font-size:10px}
  .demo{min-height:0;padding:28px 20px;border-top:1px solid var(--line);row-gap:0}
  .demo-head{flex-direction:column;align-items:flex-start;gap:12px;padding-bottom:18px}
  .map-stage{margin:28px auto}
  .map-caption{min-height:0;padding-top:18px;gap:20px;font-size:11px}
  .section{padding:70px 20px}
  .section[id],.capture[id]{scroll-margin-top:84px}
  .section h2{font-size:clamp(40px,11.7vw,62px);line-height:1.04;letter-spacing:-.055em;text-wrap:initial}
  .section-copy .eyebrow{margin-bottom:22px}
  .section-copy p{margin-top:24px;font-size:15px}
  .shift-grid{grid-template-columns:1fr;gap:32px}
  .code-stack{min-height:0}
  .code-workbench{min-height:0;border-radius:16px}
  .code-assignment-body{display:block;min-height:0}
  .code-editor{min-height:0;grid-template-rows:42px minmax(0,1fr) 56px}
  .code-lines{padding:18px 0;font-size:9px}
  .code-lines>div{padding-inline:10px;grid-template-columns:20px minmax(0,1fr)}
  .code-inspector{display:block;min-height:248px}
  .code-inspector .flow-tab{min-height:68px;padding:12px 5px}
  .flow-tab strong,.track strong{position:static!important;width:auto!important;height:auto!important;padding:0!important;margin:0!important;overflow:visible!important;clip:auto!important;white-space:normal!important;border:0!important}
  .code-inspector .flow-tab strong{margin-top:9px!important;font-size:10px}
  .code-inspector .flow-tab span{justify-content:center}
  .code-inspector .flow-focus{padding:24px 18px}
  .code-inspector .flow-focus h3{font-size:26px}
  .code-inspector .flow-focus p{font-size:13px}
  .course-head,.choice-head{display:block;margin-bottom:30px}
  .course-head p,.choice-head p:last-child{max-width:none;margin-top:22px;font-size:15px}
  .course-console{margin:0;border-radius:16px}
  .course-body{display:block;min-height:0}
  .track-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .track{display:grid;grid-template-columns:24px minmax(0,1fr);gap:8px;min-height:72px;padding:12px;text-align:left;border-bottom:1px solid var(--line)}
  .track:hover,.track.active{padding-left:12px}
  .track:nth-child(2n){border-right:0}
  .track-icon{width:24px;height:24px;border-radius:7px}
  .track strong{font-size:11px;line-height:1.4}
  .lesson-stage{grid-template-rows:auto auto}
  .lesson-main{display:block;padding:30px 20px}
  .lesson-title h3{font-size:38px;line-height:1.05;text-wrap:initial}
  .lesson-list{margin-top:28px}
  .lesson{min-height:64px;font-size:13px;padding:14px 12px}
  .course-build{padding:24px 20px;grid-template-columns:1fr;gap:28px}
  .offer-stage{padding:0}
  .offer-grid{display:grid;grid-template-columns:1fr;gap:18px}
  .product-card,.product-card:nth-child(2),.product-card:nth-child(3){min-height:0;margin:0;padding:24px;border-radius:20px;grid-column:auto}
  .product-card:hover,.product-card:focus-within{transform:none}
  .product-card h3{font-size:40px;margin-top:28px}
  .product-card>p{font-size:14px}
  .product-buy,.single-card .product-buy{min-height:0;margin-top:28px;padding-top:24px;gap:24px}
  .price strong{font-size:42px}
  .offer-choices a{min-height:68px}
  .purchase-guide{margin-top:28px;text-align:left}
  .capture{padding:64px 20px}
  .capture-shell{padding:28px 22px;gap:30px;border-radius:18px;grid-template-columns:1fr}
  .capture h2{font-size:clamp(32px,10.2vw,44px);line-height:1.04;text-wrap:initial}
  .capture .eyebrow{font-size:8px;letter-spacing:.13em}
  .capture p:not(.eyebrow){font-size:14px;margin-top:20px}
  .capture-state{overflow-wrap:anywhere}
  footer{padding:36px 20px calc(94px + env(safe-area-inset-bottom));gap:24px}
}
@media(prefers-reduced-motion:reduce){
  .btn>span[aria-hidden],.offer-choices b{transition:none;translate:none}
}

/* Full-width screenshots of the actual course UI, never a recreated workbench. */
.shift .shift-grid{grid-template-columns:1fr;gap:38px;scroll-margin-top:112px}
.shift .section-copy{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);column-gap:clamp(32px,6vw,96px);align-items:end;max-width:none}
.shift .section-copy>.eyebrow{grid-column:1/-1;margin:0 0 26px}
.shift .section-copy h2{max-width:800px}
.shift .capture-introduction{max-width:430px}
.shift .capture-introduction>p{margin:0;font-size:15px}
.preview-program-link{display:inline-flex;align-items:center;gap:20px;min-height:44px;margin-top:18px;font-size:13px;line-height:1.5;color:var(--jade);text-decoration:underline;text-underline-offset:5px}
.preview-program-link span{font-size:20px}
.preview-program-link:focus-visible,.capture-enlarge:focus-visible,.course-capture-more summary:focus-visible{outline:2px solid var(--jade);outline-offset:5px}
.course-preview{min-width:0}
.capture-label{margin-bottom:16px;font-family:var(--mono);font-size:11px;line-height:1.6;letter-spacing:.045em;color:var(--jade)}
.course-capture{margin:0;min-width:0}
.course-capture picture{display:block;overflow:hidden;border:1px solid rgba(244,241,232,.2);border-radius:14px;background:var(--ink)}
.course-capture img{display:block;width:100%;height:auto}
.course-capture figcaption{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;color:rgba(244,241,232,.75);font-size:12px;line-height:1.6}
.capture-enlarge{display:inline-flex;align-items:center;gap:12px;min-height:44px;color:var(--jade);text-decoration:underline;text-underline-offset:4px}
.capture-enlarge span{font-size:18px}
.capture-mobile{display:none}
.course-capture-more{margin-top:12px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.course-capture-more>summary{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:60px;padding:16px 8px 16px 0;list-style:none;cursor:pointer;font-size:14px;line-height:1.5;color:var(--paper)}
.course-capture-more>summary::-webkit-details-marker{display:none}
.course-capture-more>summary>span{display:grid;place-items:center;flex:0 0 24px;height:24px;font-size:24px;line-height:1;font-weight:400;color:var(--jade)}
.course-capture-more[open]>summary>span{rotate:45deg}
.course-capture-more[open]>.course-capture{padding-top:8px}
@media(max-width:1050px){
  .shift .section-copy{grid-template-columns:1fr;gap:0}
  .shift .capture-introduction{max-width:600px;margin-top:24px}
}
@media(max-width:720px){
  .shift .shift-grid{gap:28px}
  .course-capture picture{border-radius:12px}
  .course-capture figcaption{flex-wrap:wrap;gap:0;padding-top:14px}
  .course-capture figcaption>span:first-child{flex-basis:100%}
  .capture-desktop{display:none}
  .capture-mobile{display:inline-flex}
}