:root{--paper:#f3f0e9;--ink:#172e32;--muted:#526465;--line:#c7ccc3;--accent:#d6e567;--panel:#fcfbf7;--serif:Georgia,'Times New Roman',serif}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.55 -apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}button,input,select,textarea{font:inherit}a{color:inherit;text-underline-offset:4px}button,a,input,select,textarea,summary{touch-action:manipulation}button{cursor:pointer;border:1px solid var(--ink);border-radius:3px;background:transparent;color:var(--ink);padding:10px 15px;line-height:1.3}button:hover{background:#e6e9df}button:disabled{opacity:.55;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #0759a0;outline-offset:4px}.skip{position:absolute;top:-100px;left:20px;background:white;padding:12px;z-index:20}.skip:focus{top:10px}.masthead{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:25px 4vw;border-bottom:1px solid var(--line)}.wordmark{text-decoration:none;font-size:20px;letter-spacing:.13em;font-weight:800}.wordmark span{display:block;font-size:11px;font-weight:500;letter-spacing:.05em;margin-top:3px}.back{font-size:14px}main{max-width:1560px;padding:0 4vw;margin:auto}.intro{display:grid;grid-template-columns:1.4fr 1fr;align-items:end;gap:32px;padding:40px 0 32px}.eyebrow{text-transform:uppercase;letter-spacing:.13em;font-size:11px;font-weight:750;margin:0 0 14px}h1{font-size:clamp(48px,6.1vw,86px);letter-spacing:-.055em;line-height:.97;font-weight:550;margin:0}h1 em{font-family:var(--serif);font-weight:400;letter-spacing:-.045em}h2{font-size:28px;line-height:1.13;letter-spacing:-.03em;margin:0 0 18px}h3{font-size:18px;margin:0 0 10px}.intro-copy{max-width:410px;font-size:19px;line-height:1.55;margin:0 0 6px}.studios{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.studios button{text-align:left;border-color:var(--line);padding:18px 20px;background:var(--panel);min-width:0}.studios button[aria-pressed=true]{background:var(--ink);color:#f8faef;border-color:var(--ink)}.studios span{font-size:11px;letter-spacing:.07em;text-transform:uppercase}.studios strong{font-size:23px;letter-spacing:-.04em;font-weight:600;display:block;line-height:1.2;margin:12px 0 6px}.studios small{font-size:13px;display:block}.route{display:flex;justify-content:space-between;align-items:center;gap:18px;border-bottom:1px solid var(--line);padding:20px 0}.route nav{display:flex;gap:8px;flex-wrap:wrap}.route button{font-size:13px;padding:8px 11px;border:1px solid transparent}.route button[aria-current=step]{background:var(--accent);border-color:var(--ink)}#save-status{font-size:11px;max-width:240px;color:var(--muted)}.workbench{display:grid;grid-template-columns:310px minmax(0,1fr);gap:38px;padding:30px 0 44px;border-bottom:1px solid var(--line)}.brief{min-width:0}.brief>p{font-size:14px}.brief details{font-size:13px;margin:18px 0}.brief summary{font-weight:650;cursor:pointer;padding:7px 0}.brief figure{margin:12px 0}.brief img{display:block;width:100%;max-height:300px;object-fit:contain;background:#e6e9df}.brief figcaption{font-size:11px;margin-top:9px;line-height:1.5}.prediction{border-top:1px solid var(--line);padding-top:22px;margin-top:20px}.prediction label,.explanation label{font-size:15px;font-weight:700}.prediction p,.explanation p{font-size:13px;line-height:1.6;margin:8px 0 12px}.prediction textarea,.explanation textarea{resize:vertical;width:100%;border:1px solid #748280;background:var(--panel);color:var(--ink);padding:10px;border-radius:3px;line-height:1.6}textarea::placeholder{color:#59696b;opacity:1}.prediction .primary{width:100%;margin-top:10px}.primary{background:var(--ink);color:white}.primary:hover{background:#284a50}#prediction-message{min-height:0;margin:8px 0;color:#7b3019;font-size:12px}fieldset{margin:20px 0 0;padding:18px 0 4px;border:0;border-top:1px solid var(--line)}legend{padding:0 8px 0 0;font-size:12px;font-weight:700}.control{margin:6px 0 20px}.control label{display:flex;justify-content:space-between;gap:10px;font-size:13px;font-weight:600;margin-bottom:8px}.control output{font-variant-numeric:tabular-nums;font-size:12px;font-weight:500}.control input[type=range]{width:100%;accent-color:#254f52;cursor:pointer}.control select,.control input[type=text]{width:100%;padding:10px;border:1px solid #72837f;border-radius:3px;background:var(--panel);color:var(--ink)}.control small{display:block;color:var(--muted);font-size:11px;margin-top:6px}.readout{background:#e7eadf;border-left:3px solid #75874b;padding:12px;font-size:12px;min-height:64px}.readout strong{display:block;font-size:15px;margin-bottom:3px;font-variant-numeric:tabular-nums}.concept p{margin:8px 0}.canvas-area{min-width:0}.canvas-toolbar{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;font-size:11px;color:var(--muted);margin-bottom:16px}.canvas-toolbar p{margin:0}.dot{display:inline-block;width:6px;height:6px;background:var(--ink);border-radius:50%;margin-right:6px}.canvas-toolbar label{cursor:pointer}.canvas-toolbar input{accent-color:#254f52}.visuals{display:grid;grid-template-columns:1fr 1fr;gap:20px;background:#e4e7df;padding:24px 24px 28px;border:1px solid #d1d7cb;align-items:start}.visuals figure{min-width:0;margin:0}.visuals figcaption{display:flex;justify-content:space-between;gap:10px;font-size:10px;letter-spacing:.07em;font-weight:700;margin:0 0 10px}.visuals figcaption span{font-size:10px;letter-spacing:0;font-weight:400;text-align:right}.visuals svg{display:block;width:100%;height:auto;background:#f8f5ee;box-shadow:0 8px 20px #172e320c}.visual-description{font-size:12px;color:var(--muted);margin:13px 0 20px;max-width:800px}.wheel-area{border:1px solid var(--line);background:var(--panel);padding:16px;margin-top:18px}.wheel-area>div{display:grid;grid-template-columns:160px 1fr;gap:18px;align-items:center}.wheel-area svg{width:160px;height:auto}.wheel-area h3{margin:0 0 7px;font-size:15px}.wheel-area p{font-size:12px;margin:6px 0}.palette{display:grid;grid-template-columns:repeat(5,1fr);margin-top:18px;gap:8px}.swatch{min-width:0}.swatch .chip{height:45px;border:1px solid #52646550}.swatch strong,.swatch code{display:block;font-size:10px;margin-top:4px;overflow-wrap:anywhere}.swatch code{font-size:11px}.explanation{margin-top:23px;max-width:850px}#reflection-note{font-size:11px;color:var(--muted)}.next-row{display:flex;justify-content:space-between;gap:12px;margin-top:18px}.quiet{border-color:#81928b}.handoff{display:grid;grid-template-columns:1.4fr 1fr;gap:60px;padding:38px 0}.handoff p{font-size:14px;max-width:630px}.handoff h2{font-size:30px}.export-panel{border-left:1px solid var(--line);padding-left:32px}.export-panel button{display:block;width:100%;max-width:360px;margin:8px 0;font-size:13px}.export-panel p{font-size:12px}footer{display:flex;justify-content:space-between;gap:24px;border-top:1px solid var(--line);padding:24px 0 35px;font-size:11px;color:var(--muted)}footer p{max-width:650px}.text-button{padding:0;border:0;text-decoration:underline;text-underline-offset:3px;color:inherit;font-size:11px}.text-button:hover{background:transparent;color:var(--ink)}[hidden]{display:none!important}@media(min-width:1500px){.workbench{grid-template-columns:330px minmax(0,1fr)}}@media(max-width:1100px){.workbench{gap:23px;grid-template-columns:270px minmax(0,1fr)}.visuals{gap:12px;padding:17px 12px}.studios strong{font-size:20px}.visuals figcaption span{display:none}}@media(max-width:800px){.intro{gap:20px}.intro-copy{font-size:15px}.workbench{grid-template-columns:1fr;gap:20px}.brief{display:grid;grid-template-columns:1fr 1fr;column-gap:24px}.brief>h2,.brief>.eyebrow,.brief>p,.brief>#reference{grid-column:1}.prediction{grid-column:2;grid-row:1/5;margin:0}.brief fieldset,.readout,.concept{grid-column:1/-1}.brief fieldset #control-fields{display:grid;grid-template-columns:1fr 1fr;gap:22px}.handoff{gap:24px}.visuals figcaption span{display:inline}.visuals{padding:20px}.route{align-items:flex-start}.route nav{gap:2px}#save-status{max-width:130px}}@media(max-width:520px){.masthead{padding:18px 5vw}.wordmark{font-size:16px}.wordmark span{font-size:10px}.back{font-size:11px;max-width:90px}.intro{display:block;padding:28px 0}.intro h1{font-size:54px}.intro-copy{margin-top:19px;max-width:320px}.studios{gap:6px}.studios button{padding:12px 8px}.studios span{font-size:9px;letter-spacing:0}.studios strong{font-size:16px;margin-top:10px}.studios small{font-size:10px;line-height:1.35}.route{display:block;padding:15px 0}.route button{font-size:11px;padding:8px}.route #save-status{display:block;max-width:none;margin-top:10px}.workbench{padding-top:24px}.brief{display:block}.brief>h2{font-size:26px}.prediction{margin-top:18px}.brief fieldset #control-fields{display:block}.visuals{padding:12px 9px;gap:10px}.visuals figcaption{font-size:9px}.visuals figcaption span{display:none}.wheel-area>div{grid-template-columns:125px 1fr;gap:12px}.wheel-area svg{width:125px}.wheel-area p{font-size:11px}.palette{gap:5px}.swatch strong{font-size:9px}.swatch code{font-size:9px}.next-row button{font-size:12px}.handoff{display:block;padding-top:26px}.export-panel{padding:22px 0 0;border-left:0;border-top:1px solid var(--line);margin-top:24px}.export-panel button{max-width:none}footer{display:block}h2{overflow-wrap:anywhere}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}@media print{body{background:white;color:black}body>header,main,noscript,.skip{display:none!important}#print-log{display:block!important;padding:20px;font:12pt/1.5 sans-serif;white-space:pre-wrap;overflow-wrap:anywhere}#print-log h1{font-size:22pt;letter-spacing:0}#print-log h2{font-size:16pt;letter-spacing:0;break-after:avoid}}

#compare-original{display:none;font-size:11px;padding:7px 9px} @media(max-width:520px){.workbench{display:flex;flex-direction:column;gap:0}.brief,.canvas-area{display:contents}#lesson-label{order:1}#lesson-title{order:2}#lesson-description{order:3}#transfer-context{order:4}#reference{order:5}.prediction{order:6;margin-bottom:20px}.canvas-toolbar{order:7}.visuals{order:8;display:grid;grid-template-columns:1fr;padding:15px;width:100%;max-width:420px}.visuals figure:first-child{display:none}.visuals.show-original figure:first-child{display:block}.visuals.show-original figure:last-child{display:none}.visuals figcaption span{display:inline}.wheel-area{order:9}.palette{order:10}.visual-description{order:11}#controls{order:12}.readout{order:13}.concept{order:14}.explanation{order:15}.next-row{order:16}#compare-original{display:inline-block}}