:root{--ink:#183d35;--muted:#667b72;--green:#21644c;--lime:#d9edab;--line:#dce5dd;--paper:#f4f6f0;--rust:#b56745}*{box-sizing:border-box}body{margin:0;font:15px/1.6 system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--paper)}button,input,select{font:inherit}button,a,select,input{touch-action:manipulation}button{cursor:pointer}a{color:inherit}.sitebar{display:flex;align-items:center;gap:30px;padding:20px 4%;background:white;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-size:23px;font-weight:700}.brand small{display:block;font-size:8px;letter-spacing:1.8px;font-weight:400}.back{margin-left:auto;text-decoration:none;font-size:13px}.contact{font-size:13px;font-weight:600}main{max-width:1450px;padding:0 4%;margin:auto}.intro{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:48px 0 35px}.eyebrow{font-size:10px;font-weight:750;letter-spacing:2px;color:var(--green);margin:0 0 12px}h1{font-size:clamp(38px,4vw,58px);line-height:1.1;letter-spacing:-2px;margin:0 0 18px}h2{font-size:25px;line-height:1.25;letter-spacing:-.6px;margin:0 0 12px}h3{font-size:16px;margin:0 0 14px}p{margin:0 0 15px;color:var(--muted)}.demo-label{font-size:10px;letter-spacing:1px;white-space:nowrap}.demo-label small{display:block;letter-spacing:0;font-size:12px;margin-top:8px;color:var(--muted)}.dot{display:inline-block;width:7px;height:7px;background:#4f9361;border-radius:50%;margin-right:6px}.workspace{display:grid;grid-template-columns:225px 1fr;background:#fcfdf9;border:1px solid #ccd9ca;border-radius:16px;overflow:hidden;box-shadow:0 15px 45px #173f3a0b}aside{background:#edf2e9;padding:25px 16px;border-right:1px solid var(--line)}.workspace-name{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:700;padding-bottom:30px}.workspace-name small{display:block;font-size:9px;font-weight:400;color:var(--muted)}.workspace-icon{display:grid;place-items:center;width:33px;height:33px;background:var(--ink);color:var(--lime);border-radius:8px}.nav-label{font-size:9px;letter-spacing:1.6px;margin:0 12px 15px}nav{display:grid;gap:7px}nav button{border:0;border-radius:7px;background:none;display:flex;align-items:center;text-align:left;gap:12px;padding:12px;color:#526c60;font-size:12px}nav button[aria-current="step"]{background:var(--ink);color:white}.nav-index{font-size:10px;opacity:.65}.side-note{margin:35px 10px 0;border-top:1px solid #cfdbcc;padding-top:20px;font-size:11px}.side-note p{margin:8px 0}.text-button{background:transparent;border:0;color:var(--green);padding:8px 0;font-weight:650;font-size:12px}.app{min-width:0}.appbar{display:flex;justify-content:space-between;gap:10px;padding:18px 28px;background:white;border-bottom:1px solid var(--line);font-size:11px;color:var(--muted)}.badge{display:inline-block;background:#eaf1df;color:#456747;border-radius:20px;padding:3px 9px;font-size:9px;letter-spacing:.5px}.guide{padding:28px;display:flex;justify-content:space-between;gap:24px;background:#f2f5e9;border-bottom:1px solid var(--line)}.guide p{max-width:610px;font-size:13px;margin:0}.guide-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}.primary,.secondary{display:inline-block;padding:10px 15px;border-radius:6px;font-weight:650;font-size:12px;text-decoration:none;border:1px solid var(--green);background:var(--green);color:white}.secondary{background:white;color:var(--green);border-color:#cbd8cb}button:disabled{opacity:.4;cursor:default}#screen{padding:27px;min-height:470px}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:24px}.toolbar label{font-size:12px}select{background:white;border:1px solid #cbd8cb;padding:8px 10px;border-radius:5px;color:var(--ink);margin-left:8px}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin-bottom:20px}.metric{background:white;border:1px solid var(--line);border-radius:8px;padding:17px}.metric small{color:var(--muted);font-size:10px}.metric strong{display:block;font-size:31px;font-weight:650;line-height:1.5;letter-spacing:-1px}.metric span{display:block;font-size:10px;color:var(--muted)}.cols{display:grid;grid-template-columns:1.1fr 1fr;gap:18px}.card{padding:22px;background:white;border:1px solid var(--line);border-radius:9px}.card p{font-size:12px}.kicker{font-size:9px;letter-spacing:1.5px;color:var(--green);margin-bottom:8px}.chart{width:100%;height:auto;display:block}.chart text{font-family:system-ui,sans-serif;fill:#54695f;font-size:12px}.legend{display:flex;gap:15px;flex-wrap:wrap;font-size:11px;color:var(--muted)}.legend b{color:var(--ink)}.note{border-left:3px solid #a6c078;background:#eff4e5;padding:14px 16px;font-size:12px;margin-top:18px}.note p:last-child{margin-bottom:0}.slider{width:100%;accent-color:var(--green);margin:20px 0}.scenario-number{font-size:28px;font-weight:650;display:block;color:var(--ink)}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:12px}th,td{padding:13px 9px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}th{font-size:10px;color:var(--muted);font-weight:500}td small{display:block;color:var(--muted);font-size:10px}.route-buttons{display:flex;gap:8px;margin-bottom:16px}.route-buttons button[aria-pressed="true"]{background:var(--green);color:white}.route-schematic{width:100%;height:210px;background:#f5f7ee;border-radius:9px}.route-schematic .road{fill:none;stroke:#dce5d3;stroke-width:18}.route-schematic .a{fill:none;stroke:#b56745;stroke-width:5}.route-schematic .b{fill:none;stroke:#21644c;stroke-width:5;stroke-dasharray:9 7}.route-schematic text{font-size:12px;fill:var(--ink);font-family:system-ui}.route-schematic circle{fill:var(--ink)}.route-schematic .incident{fill:#b56745}.list{padding:0;list-style:none}.list li{padding:12px 0;border-bottom:1px solid var(--line);font-size:12px}.list b{display:block}.list span{color:var(--muted)}.module-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:18px}.module-grid button{border:1px solid var(--line);background:white;padding:15px;text-align:left;border-radius:7px;font-size:12px;color:var(--ink)}.module-grid button[aria-pressed="true"]{border-color:var(--green);background:#eff5e5}.module-grid small{display:block;color:var(--muted);font-size:10px;margin-top:7px}.answer{display:block;text-align:left;width:100%;padding:12px;margin:9px 0;border:1px solid var(--line);border-radius:6px;background:white;color:var(--ink);font-size:12px}.answer[aria-pressed="true"]{border-color:var(--green);background:#edf4e4}.feedback{font-size:12px;min-height:40px;margin-top:15px}.feedback.correct{color:#21644c}.feedback.incorrect{color:#9b5237}.method-note{padding:0 28px 20px;font-size:10px;color:var(--muted)}.closing{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:55px 0}.closing p{font-size:13px}.closing .primary{white-space:nowrap}footer{max-width:1450px;padding:20px 4%;margin:auto;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}dialog{border:1px solid var(--line);border-radius:13px;max-width:520px;width:90%;padding:28px;color:var(--ink)}dialog::backdrop{background:#122b2466}.close{float:right}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.detail-grid dt{font-size:11px;color:var(--muted)}.detail-grid dd{margin:3px 0 0;font-size:14px}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #bb9548;outline-offset:4px}.report-items li{margin-bottom:12px;font-size:13px}.print-only{display:none}@media(max-width:1000px){.workspace{grid-template-columns:190px 1fr}.guide{display:block}.guide-actions{margin-top:18px}.cols{grid-template-columns:1fr}.metrics{gap:8px}.metric{padding:12px}.metric strong{font-size:25px}}@media(max-width:700px){.sitebar{flex-wrap:wrap;gap:10px}.brand{font-size:20px}.back{font-size:11px}.contact{display:none}main{padding:0 16px}.intro{display:block;padding-top:30px}.intro p{font-size:13px}.demo-label{margin-top:20px}.workspace{grid-template-columns:1fr}aside{border-right:0;padding:14px;border-bottom:1px solid var(--line)}.workspace-name,.nav-label,.side-note{display:none}nav{display:flex;gap:5px;overflow:auto}nav button{flex-shrink:0;padding:9px 10px}.appbar{padding:14px}.guide{padding:20px}#screen{padding:18px}.toolbar{align-items:flex-start;flex-wrap:wrap}.metrics{grid-template-columns:1fr}.metric{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.metric strong{font-size:26px}.metric span{width:100%}.module-grid{grid-template-columns:1fr}.closing{display:block}.closing .primary{margin-top:15px}.method-note{padding:0 18px 18px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}@media print{.sitebar,aside,.appbar,.guide,.toolbar,.closing,footer,.method-note,.report-actions,.intro{display:none!important}.workspace,.card{border:0;box-shadow:none;display:block}main{padding:0}.app,#screen{padding:0}.print-only{display:block}body{background:white}.cols{display:block}.card{break-inside:avoid}}
/* Keep the horizontal stage navigation inside the mobile grid track. */
@media(max-width:700px){.workspace{grid-template-columns:minmax(0,1fr)}aside{min-width:0}nav{max-width:100%}.appbar{flex-wrap:wrap}}
