@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--ink:#193a36;--muted:#64746d;--paper:#f8f9f4;--green:#24644e;--line:#dce4d8;--lime:#d7ebad}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:'DM Sans',sans-serif;font-size:16px;line-height:1.65}aside{position:fixed;inset:0 auto 0 0;width:300px;padding:30px;background:#edf1e7;border-right:1px solid var(--line);overflow:auto}.brand{font-family:Manrope,sans-serif;font-size:28px;font-weight:800;letter-spacing:-2px;text-decoration:none;color:var(--ink)}.brand span{color:#a0b66b}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:700;margin-top:27px}h1,h2,h3{font-family:Manrope,sans-serif;line-height:1.2}h1{font-size:35px;letter-spacing:-1.6px;margin:15px 0}h2{font-size:46px;letter-spacing:-2px;margin:14px 0}h3{font-size:22px;margin-top:30px}.muted{color:var(--muted)}.small{font-size:12px}.progress{height:5px;background:#d8e0d1;border-radius:9px;margin-top:25px;overflow:hidden}.progress div{height:100%;background:var(--green);transition:width .3s}nav{margin:24px -10px}nav button{display:flex;width:100%;text-align:left;gap:12px;background:none;border:0;padding:11px 10px;border-radius:9px;color:var(--muted);font:inherit;font-size:13px;cursor:pointer;align-items:center}nav button.active{background:white;color:var(--ink);box-shadow:0 3px 12px #193a3608}nav button b{display:grid;place-items:center;border:1px solid #b9c7ae;width:24px;height:24px;flex-shrink:0;border-radius:50%;font-size:10px}nav button.active b{background:var(--green);color:white;border-color:var(--green)}main{margin-left:300px;max-width:1320px;padding:30px 65px 50px}header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:23px}header .eyebrow{margin:0}.pill{font-size:11px;background:#edf1e7;padding:7px 14px;border-radius:30px}.welcome{display:flex;justify-content:space-between;align-items:center;padding:28px 0}.lead{color:var(--muted);max-width:610px;font-size:17px}.lesson-number{font-family:Manrope;font-size:100px;font-weight:800;color:#e4eadb;line-height:1}#tabs{display:flex;gap:24px;border-bottom:1px solid var(--line);margin-bottom:26px}#tabs button{background:none;border:0;border-bottom:3px solid transparent;padding:13px 0;font:inherit;font-size:13px;color:var(--muted);cursor:pointer}#tabs button.selected{color:var(--green);border-bottom-color:var(--green);font-weight:700}article{min-height:260px}.card{background:white;border:1px solid var(--line);border-radius:16px;padding:25px;margin:18px 0}.callout{background:#eaf0dd;border-left:3px solid #91ae62;border-radius:0 12px 12px 0;padding:18px 22px;margin:22px 0}.fact{font-size:11px;font-weight:700;letter-spacing:1px;color:#487254}.flow{display:flex;flex-wrap:wrap;gap:9px;align-items:center;margin:23px 0}.flow span{background:white;border:1px solid var(--line);border-radius:9px;padding:12px 16px;font-size:13px}blockquote{margin:15px 0;font-size:20px;line-height:1.8;border-left:3px solid #adc986;padding:8px 24px;background:#f0f4e9;border-radius:0 12px 12px 0}code{font-family:Consolas,monospace;font-size:14px}pre{background:#193a36;color:#edf4dc;border-radius:13px;padding:22px;overflow:auto;line-height:1.9}table{border-collapse:collapse;width:100%;font-size:14px}td,th{text-align:left;padding:12px;border-bottom:1px solid var(--line)}details{background:white;border:1px solid var(--line);border-radius:10px;padding:15px 20px;margin:12px 0}summary{cursor:pointer;font-weight:600}button,.import{transition:background .15s}button:focus-visible,summary:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #87ad63;outline-offset:3px}.primary{background:var(--green);color:white;border:0;border-radius:9px;padding:12px 21px;font:inherit;font-size:13px;cursor:pointer}.quiet{display:inline-block;background:none;border:0;padding:8px 0;color:var(--muted);font:inherit;font-size:12px;cursor:pointer;margin-right:13px}.notes{margin-top:35px;padding-top:24px;border-top:1px solid var(--line)}.notes label{display:block;font-weight:600;font-size:14px}textarea{width:100%;min-height:105px;background:white;border:1px solid var(--line);border-radius:11px;padding:16px;font:inherit;font-size:14px;margin:12px 0 0;color:var(--ink);resize:vertical}footer{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:25px}.done{font-size:13px}input[type=checkbox]{accent-color:var(--green)}.disclaimer{margin-top:35px}.sim-controls{display:flex;flex-wrap:wrap;gap:15px}.clock{font-size:36px;font-weight:700;font-variant-numeric:tabular-nums}.timer-track{height:9px;background:#e4eadb;border-radius:5px;overflow:hidden;margin:15px 0}.timer-track div{height:100%;background:var(--green)}#simStatus{font-weight:700}.sim-log{font-size:12px;max-height:120px;overflow:auto;color:var(--muted)}@media(min-width:1500px){main{margin-left:340px}aside{width:340px;padding:35px 40px}}@media(max-width:900px){aside{position:relative;width:100%;padding:22px}aside h1,aside>.muted,aside>.eyebrow{display:none}nav{display:flex;overflow:auto;margin:15px 0;gap:5px}nav button{width:auto;min-width:160px}aside>.small,aside>.quiet,aside>.import{display:none}.progress{margin-top:15px}main{margin:0;padding:25px}h2{font-size:35px}.lesson-number{font-size:65px}.pill{display:none}}@media print{aside,header,#tabs,.notes,footer,.sim-controls{display:none}main{margin:0;padding:0}article{min-height:0}details{break-inside:avoid}details>*{display:block}body{background:white}h2{font-size:30px}}

/* Connected roadmap: two-column phases on desktop, a single path on phones. */
.map-back{border:1px solid var(--line);background:white;color:var(--green);border-radius:9px;padding:10px 14px;font:inherit;font-size:13px;cursor:pointer;min-height:44px}.show-map .map-back{display:none}#overview{display:none}.show-map #overview{display:block}.show-map main>:not(header):not(#overview){display:none}.show-map nav button.active{background:transparent;box-shadow:none}.map-intro{padding:28px 0 36px}.map-intro h2{font-size:52px}.map-progress{font-size:12px;margin-left:18px;color:var(--muted)}.journey{position:relative;padding-left:32px}.journey:before{content:"";position:absolute;left:10px;top:20px;bottom:35px;width:2px;background:#c5d3b7}.phase{position:relative;margin-bottom:45px}.phase:before{content:"";position:absolute;left:-29px;top:10px;width:14px;height:14px;background:var(--green);border:4px solid var(--paper);border-radius:50%}.phase-heading h3{margin:0;font-size:20px}.phase-heading p{font-size:13px;color:var(--muted);margin:6px 0 20px}.phase-nodes{display:grid;grid-template-columns:1fr 1fr;gap:28px 24px}.map-node{position:relative;display:flex;gap:14px;align-items:flex-start;padding:22px 18px;border:1px solid #cfdac6;border-radius:14px;background:white;text-align:left;color:var(--ink);font:inherit;cursor:pointer;min-width:0;box-shadow:0 4px 0 #e8eddf}.map-node:hover{background:#f0f5e5;border-color:#87a467}.map-node.complete{background:#edf5e5}.node-index{display:grid;place-items:center;border-radius:50%;width:32px;height:32px;flex-shrink:0;background:#edf1e7;color:var(--green);font-size:12px;font-weight:700}.complete .node-index{background:var(--green);color:white}.node-copy b{display:block;font-family:Manrope;font-size:16px;line-height:1.4}.node-copy small{display:block;color:var(--muted);font-size:12px;line-height:1.6;margin-top:8px}.node-open{margin-left:auto;color:#71945c}.map-node:nth-child(odd):after{content:"→";position:absolute;right:-21px;top:35%;color:#7a9565}.map-node:nth-child(even):not(:last-child):after{content:"↓";position:absolute;left:45%;bottom:-29px;color:#7a9565}.project-map{border-top:1px solid var(--line);padding-top:10px;margin:20px 0 35px}.system-path{display:flex;flex-direction:column;align-items:center;gap:25px;margin-top:25px}.system-node{position:relative;width:min(100%,470px);border:1px solid #c8d6ba;background:#eef4e5;border-radius:12px;padding:15px 20px;color:var(--ink);font:inherit;text-align:center;cursor:pointer;min-height:65px}.system-node b,.system-node small{display:block}.system-node small{font-size:12px;color:var(--muted);margin-top:4px}.system-path .system-node:not(:last-child):after{content:"↓";position:absolute;bottom:-27px;left:49%;color:#7a9565}.timer-branch{margin:25px auto 0;max-width:470px;border-left:2px dashed #a9bc8c;padding:12px 0 0 20px}.timer-branch>span{font-size:11px;color:var(--muted);display:block;margin-bottom:10px}.timer-branch .system-node{background:#f7f1df;border-color:#e2d6b4}button:disabled{opacity:.45;cursor:default}#tabs button{min-height:48px}
@media(max-width:900px){.show-map aside nav{display:none}.show-map aside{padding-bottom:12px}aside h1{display:none}body:not(.show-map) aside nav{display:none}aside>.quiet,aside>.import{display:inline-block;margin-top:5px}.map-intro h2{font-size:39px}.map-intro{padding-top:12px}.phase-nodes{grid-template-columns:1fr;gap:25px}.map-node:nth-child(n):not(:last-child):after{content:"↓";left:49%;right:auto;top:auto;bottom:-27px}.map-node:nth-child(n):last-child:after{content:none}.journey{padding-left:25px}.journey:before{left:5px}.phase:before{left:-27px}.phase-heading h3{font-size:19px}.map-node{padding:20px 16px}.map-node .node-copy b{font-size:17px}.map-node .node-copy small{font-size:14px}.map-progress{display:block;margin:15px 0 0}header{gap:12px}header .eyebrow{font-size:9px}.welcome{gap:8px}.lesson-number{font-size:44px}h2{overflow-wrap:anywhere}#tabs{gap:15px}#tabs button{font-size:12px}footer{flex-wrap:wrap}.card{padding:18px}blockquote{font-size:18px;padding:10px 16px}.flow{flex-direction:column;align-items:stretch;text-align:center}.sim-controls button{min-height:46px}.sim-controls{gap:10px}.system-node small{font-size:13px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media print{.map-back{display:none}.show-map #overview{display:block}.phase{break-inside:avoid}.map-node{box-shadow:none}}

:root{--ink:#23365a;--muted:#66738a;--green:#3d5db6;--paper:#f7f8fc;--line:#dce1ee;--lime:#d8def9} aside{background:#edf0f8}.callout{background:#edf0fc;border-color:#8a9bda}.node-index{color:#3d5db6;background:#edf0fc}.map-node.complete{background:#edf0fc}.map-node:hover{background:#f0f3ff;border-color:#8a9bda}.system-node{background:#edf0fc;border-color:#c8d0eb}.lesson-number{color:#e1e6f4}pre{background:#23365a;color:#f3f6ff}.map-node .node-copy small{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}