.learning-workbench .study-demo-nav{justify-content:space-between;flex-wrap:wrap;gap:12px}.demo-stage-controls{display:flex;flex-wrap:wrap;gap:4px}.learning-workbench .study-demo-nav .demo-reset{padding:8px 12px;color:var(--study-muted);font-size:12px;gap:10px}.demo-boundary{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 20px;padding:13px 28px;background:var(--study-bg);border-bottom:1px solid var(--study-line);font-size:11px;color:var(--study-muted)}.learning-workbench .study-code pre{padding-block:24px}.learning-workbench .study-conversation{padding:28px 32px}.learning-workbench .study-conversation h3{margin-top:20px}.demo-code-actions{border-top:1px solid var(--study-line);padding:22px 28px 28px}.demo-question{font-size:14px;line-height:1.7;margin:0 0 12px}.demo-choices{position:relative;display:flex;flex-wrap:wrap;align-items:stretch;gap:8px}.demo-choices button{min-height:44px;border:1px solid color-mix(in srgb,var(--study-muted) 60%,var(--study-bg));border-radius:12px;padding:10px 14px;font-size:13px;line-height:1.6;display:inline-flex;align-items:center;gap:10px;text-align:left;transition:background .18s,border-color .18s}.demo-choices button:hover{border-color:var(--study-accent)}.demo-choices button[aria-pressed=true]{border-color:var(--study-accent);background:color-mix(in srgb,var(--study-accent) 12%,var(--study-bg))}.learning-workbench button:not(:disabled){cursor:pointer}.learning-workbench :is(button,a,pre):focus-visible{outline:2px solid var(--study-accent);outline-offset:4px}.demo-result{margin-top:20px;border-left:2px solid var(--study-line);padding-left:16px;min-height:57px}.demo-result samp{display:block;margin-top:6px;font-size:14px;line-height:1.7;overflow-wrap:anywhere}.demo-output-label{margin-top:16px}.demo-output-add{color:var(--study-accent)}.demo-response{margin-top:24px;min-height:148px;border-top:1px solid var(--study-line);padding-top:20px}.demo-response p{font-size:16px;line-height:1.85;text-wrap:pretty}.learning-workbench .study-conversation .demo-choices{margin-top:20px}.learning-workbench .study-conversation .demo-question{margin-top:24px}.learning-workbench code{font-family:JetBrains Mono,ui-monospace,monospace}.demo-response code,.demo-question code{color:var(--study-accent);font-size:.9em;overflow-wrap:anywhere}.demo-next,.demo-alternate{display:inline-flex;align-items:center;gap:20px;min-height:48px;border-bottom:1px solid var(--study-line);font-size:14px;padding:10px 0;margin-top:20px}.demo-next{display:flex;width:-moz-fit-content;width:fit-content}.demo-next[hidden]{display:none}.demo-loop-control{display:flex;align-items:center;justify-content:space-between;gap:16px}.demo-loop-control .demo-question{margin:0}.demo-loop-control button{min-height:44px;padding:8px 12px;border:1px solid var(--study-line);border-radius:12px;font-size:13px}.demo-detail{margin-top:20px;border-top:1px solid var(--study-line);padding-top:14px;font-size:14px;line-height:1.8}.demo-detail summary{cursor:pointer;min-height:44px;display:list-item;padding:8px 0;color:var(--study-accent)}.demo-detail summary:focus-visible{outline:2px solid var(--study-accent);outline-offset:4px}.demo-detail p{margin-top:14px}.learning-workbench .study-demo-body{min-height:520px}.demo-next:hover,.demo-alternate:hover{color:var(--study-accent)}.demo-value-flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:8px;align-items:center;margin-top:24px}.demo-value-flow small{display:block;font-size:10px;line-height:1.6;color:var(--study-muted)}.demo-value-flow strong{display:block;font-size:28px;font-weight:400;color:var(--study-accent);font-family:JetBrains Mono,monospace;margin-top:6px}.demo-value-flow+.demo-choices{margin-top:24px}.demo-inline-help{margin-top:18px;color:var(--study-muted);font-size:14px;line-height:1.8;min-height:76px}.demo-operator{display:inline-block;animation:demo-reveal .22s ease-out}.demo-live{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.learning-workbench noscript{display:block;padding:24px;background:var(--study-bg);line-height:1.8}@keyframes demo-reveal{0%{opacity:.45}to{opacity:1}}.demo-invitation-light{position:absolute;top:-7px;left:0;right:0;height:1px;pointer-events:none;opacity:.24;background:linear-gradient(90deg,transparent,var(--study-accent),transparent);box-shadow:0 0 8px 1px color-mix(in srgb,var(--study-accent) 35%,transparent)}.demo-invitation-active .demo-invitation-light{animation:demo-invite 2.8s ease-out both}@keyframes demo-invite{0%{opacity:.24}20%,65%{opacity:.85}to{opacity:.24}}@media (max-width: 900px){.learning-workbench .study-conversation{padding:24px}.demo-code-actions{padding:22px 18px 24px}.demo-boundary{padding-inline:18px}}@media (max-width: 640px){.learning-workbench .study-demo-nav{padding:10px;gap:8px}.demo-stage-controls{flex:1 0 100%;justify-content:space-between}.learning-workbench .study-demo-nav .demo-reset{margin-left:auto;min-height:44px;padding:8px 10px}.learning-workbench .study-demo-body{min-height:0}.demo-boundary{font-size:10px}.demo-response{min-height:0;margin-top:20px}.demo-value-flow{gap:6px}.demo-value-flow small{font-size:10px}.demo-choices button{padding-inline:12px}.learning-workbench .study-conversation{padding:24px 18px 30px}}@media (prefers-reduced-motion: reduce){.demo-invitation-active .demo-invitation-light,.demo-operator{animation:none}.demo-choices button{transition:none}}.brand-display-copy{position:relative;isolation:isolate;text-shadow:var(--brand-display-shadow)}.brand-display-copy:before{content:"";position:absolute;top:-16px;right:-24px;bottom:-16px;left:-24px;z-index:-1;pointer-events:none;background:var(--brand-display-backing)}.brand-display-copy>:is(h1,h2,p){background:transparent;box-shadow:none}.brand-header{box-sizing:border-box;position:relative;z-index:5;display:flex;flex:none;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 20px;width:100%;min-height:var(--brand-header-height);margin:0;padding:16px 40px;border-bottom:1px solid var(--study-line);background:transparent}.brand-header>a:first-child{display:inline-flex;align-items:center;min-height:var(--brand-target-min);flex:none;font:600 20px/1 var(--brand-font-ui);letter-spacing:-.025em;text-decoration:none;color:var(--study-ink);background:var(--study-bg);box-shadow:var(--brand-reading-shadow);border-radius:4px}.brand-header nav{display:flex;flex-wrap:wrap;align-items:center;gap:12px}.brand-header .brand-header-action{box-sizing:border-box;display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:var(--brand-target-min);padding:8px 14px;border:1px solid var(--study-line);border-radius:var(--brand-pill-radius);font:500 13px/20px var(--brand-font-ui);text-decoration:none;color:var(--study-ink);background:var(--study-panel)}.brand-header-short{display:none}.public-flow-still{position:fixed;top:0;right:0;bottom:0;left:0;z-index:-1;pointer-events:none;overflow:hidden;color:var(--study-accent)}.public-flow-still svg{width:100%;height:100%}[data-motion=ready] .public-flow-still{visibility:hidden}@media (max-width: 900px){.brand-header{padding-inline:24px}}@media (max-width: 640px){.brand-header{padding:14px 20px;gap:8px}.brand-header .brand-header-long{display:none}.brand-header-short{display:inline}.brand-header .brand-header-action{padding-inline:12px}.brand-header .nav-links .quiet-link{display:none}.brand-header>a:first-child{--brand-logo-width: 142px}}.motion-study{position:relative;isolation:isolate;background:var(--study-bg);color:var(--study-ink);overflow:clip}.motion-study a,.motion-study button,.motion-study select{-webkit-tap-highlight-color:transparent}.motion-study :is(a,button,select,pre,h1):focus-visible{outline:2px solid var(--study-accent);outline-offset:5px}.motion-study button:disabled{opacity:.6;cursor:default}.study-motion-notice{position:relative;z-index:3;padding:16px 24px;background:var(--study-panel);color:var(--study-ink);font-size:13px;line-height:1.8}.study-motion-notice button{min-height:44px;padding:8px 12px;text-decoration:underline}.study-wrap{width:min(1180px,calc(100% - 96px));margin-inline:auto;position:relative}.study-solid{position:relative;z-index:2}.study-solid:not(.brand-display-copy)>:is(h1,h2,p,.study-text-link),.study-demo-explanation>*,.study-footer>:first-child,.study-footer nav>*,.study-nav>a,.study-art-caption>span{background:var(--study-bg);box-shadow:var(--brand-reading-shadow);border-radius:4px}.motion-study-canvas{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:0}.study-skip{position:absolute;top:10px;left:12px;transform:translateY(-200%);z-index:10;background:var(--study-bg);padding:16px}.study-skip:focus{transform:none}.study-hero{display:flex;flex-direction:column;align-items:center;gap:64px;padding-block:32px 92px}.study-hero-copy{padding-block:20px;max-width:820px;text-align:center}.study-hero-copy h1{max-width:820px}.study-hero-copy .study-lead{margin-inline:auto;max-width:540px}.study-hero-copy .study-text-link{margin-inline:auto}.study-eyebrow{font:11px/1.6 ui-monospace,monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--study-accent);margin-bottom:28px}.motion-study h1{font-size:clamp(46px,5.5vw,76px);line-height:1.06;letter-spacing:-.045em;text-wrap:balance;max-width:640px;font-weight:500}.study-lead{font-size:17px;line-height:1.8;color:var(--study-muted);max-width:455px;margin:28px 0;text-wrap:pretty}.study-cta{display:inline-flex;align-items:center;justify-content:space-between;gap:38px;min-height:52px;border-radius:30px;padding:14px 24px;background:var(--study-ink);color:var(--study-bg);font-weight:600;font-size:14px}.study-cta:hover{background:var(--study-accent)}.study-text-link{display:flex;width:-moz-fit-content;width:fit-content;gap:30px;align-items:center;min-height:44px;font-size:13px;margin-top:22px;color:var(--study-muted)}.study-hero-art{width:min(700px,100%);height:clamp(380px,65svh,620px);position:relative}.study-art-input{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;border-radius:30px;background:transparent;cursor:grab;touch-action:pan-y}.study-art-input:active{cursor:grabbing}.motion-study .study-art-input:focus-visible{outline:none;box-shadow:none}.study-art-hint{display:none}.study-hero-art:has(.study-art-input:focus-visible) .study-art-rest{display:none}.study-hero-art:has(.study-art-input:focus-visible) .study-art-hint{display:inline-block;outline:2px solid var(--study-accent);outline-offset:6px;border-radius:4px}.study-still{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;color:var(--study-accent);opacity:.8;pointer-events:none}.study-ready .study-still{visibility:hidden}.study-art-caption{position:absolute;bottom:-25px;left:0;right:0;text-align:center;font-size:11px;letter-spacing:.02em;color:var(--study-muted)}.study-walkthrough{padding-top:88px;padding-bottom:70px;scroll-margin-top:24px}.study-chapter-top{display:flex;flex-direction:column;align-items:center;gap:48px;padding-bottom:64px;text-align:center}.motion-study h2{font-size:clamp(40px,5vw,64px);line-height:1.08;letter-spacing:-.035em;font-weight:500}.study-chapter-art{order:-1;width:min(440px,100%);height:380px;position:relative}.study-demo-surface{position:relative;z-index:2;border-top:1px solid var(--study-line);border-bottom:1px solid var(--study-line);background:transparent}.study-demo-nav,.study-demo-body{background:var(--study-bg)}.study-demo-nav{display:flex;align-items:center;gap:4px;border-bottom:1px solid var(--study-line);padding:15px 20px}.study-demo-nav button{min-height:44px;padding:8px 22px;border-radius:30px;display:flex;align-items:center;gap:14px;font-size:14px}.study-demo-nav button[aria-pressed=true]{background:var(--study-ink);color:var(--study-bg)}.study-step{font-size:10px;opacity:.65;font-family:monospace}.study-demo-caption{font-size:10px;color:var(--study-muted);margin-left:auto}.study-demo-body{display:grid;grid-template-columns:1.08fr 1fr;min-height:385px}.study-code{min-width:0;border-right:1px solid var(--study-line)}.study-panel-label{display:flex;justify-content:space-between;gap:12px;font:11px/1.6 ui-monospace,monospace;color:var(--study-muted)}.study-code>.study-panel-label{padding:20px 28px 0}.study-code pre{margin:0;padding:28px;font-size:13px;line-height:1.9;overflow-x:auto}.study-comment{color:var(--study-muted)}.study-number,.study-function{color:var(--study-accent)}.study-keyword{color:#c4a7e7}.study-light .study-keyword{color:#7c3f9e}.study-code-highlight{background:color-mix(in srgb,var(--study-accent) 10%,transparent)}.study-output{border-top:1px solid var(--study-line);padding:18px 28px}.study-output samp{display:block;font-size:13px;margin-top:8px;overflow-wrap:anywhere}.study-output-success samp{color:#64dbae}.study-light .study-output-success samp{color:#047050}.study-conversation{padding:24px 32px}.study-conversation h3{margin-top:24px;font-size:23px;letter-spacing:-.025em;line-height:1.3}.study-tutor-message{font-size:16px;line-height:1.85;margin-top:20px}.study-learner{border-left:2px solid var(--study-line);padding-left:15px;margin-top:22px;font-size:14px;line-height:1.8;color:var(--study-muted)}.study-demo-note{font-size:12px;line-height:1.8;color:var(--study-muted);margin-top:25px}.study-demo-explanation{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:32px;border-top:1px solid var(--study-line)}.study-demo-explanation h3{font-size:18px;font-weight:500;max-width:300px;line-height:1.5}.study-demo-explanation p{font-size:13px;line-height:1.9;color:var(--study-muted)}.study-closing{display:flex;flex-direction:column;gap:64px;align-items:center;padding-block:80px 150px;text-align:center}.study-closing .study-lead{margin-inline:auto}.study-closing-art{height:420px;width:min(500px,100%);position:relative}.study-footer{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px;padding-block:28px;border-top:1px solid var(--study-line)}.study-footer nav{display:flex;flex-wrap:wrap;gap:24px;font-size:12px;color:var(--study-muted)}.study-footer :is(a,button){display:inline-flex;align-items:center;min-height:44px}@media (max-width: 900px){.study-wrap{width:calc(100% - 48px)}.study-hero-art{height:480px}.study-demo-nav{flex-wrap:wrap}.study-demo-caption{flex-basis:100%;margin:8px 0 0 14px}.study-code pre{font-size:11px;padding:24px 18px}.study-conversation{padding:24px}.study-closing{gap:35px}}@media (max-width: 640px){.motion-study{--study-phone-art-space: clamp(320px, 64svh, 600px)}.study-wrap{width:calc(100% - 40px)}.study-hero{display:flex;flex-direction:column;padding:44px 0 20px;min-height:auto;align-items:stretch}.motion-study h1{font-size:48px}.study-lead{font-size:16px}.study-hero-art{height:clamp(380px,78svh,740px)}.study-art-caption{bottom:-5px}.study-walkthrough{padding-top:80px}.study-chapter-top{gap:32px;padding-bottom:32px}.motion-study h2{font-size:40px}.study-chapter-art{width:min(440px,100%);height:var(--study-phone-art-space);flex-shrink:0;margin:0}.study-demo-nav{padding:10px;justify-content:space-between}.study-demo-nav button{padding:8px 13px;gap:8px}.study-demo-body,.study-demo-explanation{display:block}.study-code{border-right:0;border-bottom:1px solid var(--study-line)}.study-code pre{font-size:12px}.study-demo-explanation{padding:24px}.study-demo-explanation p{margin-top:14px}.study-closing{display:flex;flex-direction:column;gap:28px;padding-block:20px 80px;align-items:stretch}.study-closing-art{height:var(--study-phone-art-space)}.study-footer nav{gap:18px}}