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*{box-sizing:border-box}body{margin:0;font-size:16px;line-height:1.8}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,summary{touch-action:manipulation}button{cursor:pointer;color:inherit}button:disabled{cursor:default}a,button,summary,select{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible,select:focus-visible{outline:2px solid #83eee2;outline-offset:5px}h1,h2,h3,h4,p{margin:0}h1,h2,h3,h4{line-height:1.4}h1,h2{letter-spacing:-.045em}h3{font-size:20px;font-weight:600}p+p{margin-top:16px}ul,ol{padding-left:1.4em}li+li{margin-top:9px}img{max-width:100%;height:auto}[hidden]{display:none!important}button svg{pointer-events:none}.wrap{width:min(1200px,calc(100% - 96px));margin-inline:auto}.section{padding-block:112px}.eyebrow{font-size:11px;letter-spacing:.13em;font-weight:600;color:var(--green);display:flex;align-items:center;gap:10px}.eyebrow-divider{opacity:.35;padding-inline:4px}.muted{color:var(--muted);font-size:14px;line-height:1.9}.seed{width:6px;height:6px;border-radius:50%;background:#63ded5;box-shadow:0 0 13px #63ded550;display:inline-block;flex:none}.skip{position:absolute;top:6px;left:12px;transform:translateY(-200%);padding:12px;background:#182a35;z-index:50}.skip:focus{transform:none}
.site-head{position:sticky;top:0;z-index:30;border-bottom:1px solid #ffffff0d;background:#0a0e1aed;backdrop-filter:blur(22px)}.head-inner{height:82px;width:min(1392px,calc(100% - 80px));margin:auto;display:flex;align-items:center;gap:36px}.brand{display:flex;align-items:center;gap:11px;font-size:25px;letter-spacing:-.05em;font-weight:750;white-space:nowrap}.brand-mark{height:34px;width:42px;background:white;border-radius:7px;display:grid;place-items:center}.brand img{width:31px;height:24px;object-fit:contain}.brand small{font-weight:500;font-size:14px;letter-spacing:.02em;margin-left:10px}.chapter-nav{display:flex;align-items:center;gap:27px;margin-left:auto}.chapter-nav a{font-size:12px;color:#aab5c9;min-height:44px;display:flex;align-items:center;position:relative;white-space:nowrap;transition:color .2s}.chapter-nav a:hover,.chapter-nav a[aria-current=location]{color:#83ece1}.chapter-nav a[aria-current=location]:after{content:"";height:3px;width:16px;background:#63ded5;position:absolute;bottom:1px;left:calc(50% - 8px);border-radius:2px}.back{font-size:12px;border:1px solid #364157;border-radius:7px;padding:8px 14px;min-height:38px;display:flex;gap:16px;align-items:center;white-space:nowrap}.back:hover{border-color:#76c8ca;background:#10212b}.menu-toggle{display:none}
.hero{position:relative;overflow:hidden;background:radial-gradient(ellipse at 85% 25%,#38305e3b,transparent 52%),radial-gradient(ellipse at 12% 6%,#153e4b3d,transparent 45%);border-bottom:1px solid #ffffff0b}.hero-grid{display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:35px;padding-top:82px;padding-bottom:62px}.hero h1{font-size:clamp(45px,4.65vw,68px);font-weight:680;line-height:1.23;letter-spacing:-.055em;margin-top:25px;margin-bottom:28px}.accent{background:linear-gradient(108deg,#6ee5dc 8%,#8dbafb 60%,#bba0fd 100%);background-clip:text;-webkit-background-clip:text;color:transparent}.intro{font-size:16px;color:#a5b2c8;line-height:1.95}.actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-top:32px}.button{display:inline-flex;align-items:center;justify-content:center;gap:28px;min-height:50px;padding:12px 22px;border-radius:7px;border:1px solid #34415a;font-size:13px;font-weight:600;background:#111829;transition:transform .2s,background .2s,border-color .2s}.button.primary{background:#6ae3d7;border-color:#6ae3d7;color:#092522;box-shadow:0 6px 30px #4bbaad12}.button.primary:hover{background:#91eee5;transform:translateY(-2px);box-shadow:0 8px 30px #4bbaad29}.button.secondary{background:transparent;color:#d3dded}.button.secondary:hover{border-color:#90a2c8;background:#1d2840}.text-link{display:inline-flex;align-items:center;gap:16px;font-size:13px;min-height:44px;color:#78dfd8}.text-link:hover{color:#b5fff6}.hero-note{color:#7d8ba5;font-size:11px;letter-spacing:.05em;margin-top:26px}.growth-shape{height:530px;position:relative;isolation:isolate;align-self:center}.growth-shape:before{content:"";position:absolute;inset:60px 40px;background:radial-gradient(ellipse,#6979db22,transparent 70%);filter:blur(14px);z-index:-1}.shape-topline{position:absolute;top:0;left:20px;right:20px;display:flex;justify-content:space-between;font-size:9px;letter-spacing:.16em;color:#71809d;padding-bottom:13px;border-bottom:1px solid #ffffff0f}.system-art{width:100%;height:100%;position:absolute;top:5px;left:0;overflow:visible}.art-layer{transition:transform .5s,opacity .4s}.growth-shape:has(.label-practice:hover) .art-practice{transform:translateY(-8px)}.growth-shape:has(.label-thinking:hover) .art-thinking{transform:translateY(-6px)}.growth-shape:has(.label-tools:hover) .art-tools{transform:translateY(-5px)}.growth-shape:has(.label-foundation:hover) .art-root{transform:translateY(-4px)}.system-label{position:absolute;display:flex;gap:10px;align-items:center;min-height:69px;padding:12px 14px;background:linear-gradient(115deg,#172636f5,#141d30ed);border:1px solid #465b737a;box-shadow:0 12px 30px #03091555;backdrop-filter:blur(12px);border-radius:9px;transition:border-color .2s,transform .2s}.system-label:hover{border-color:#7fe9dd;transform:translateY(-4px)}.system-label>span{font:11px ui-monospace,monospace;color:#85dcd6;border:1px solid #5ca5a94d;border-radius:50%;height:27px;width:27px;display:grid;place-items:center}.system-label strong{font-size:14px;font-weight:550;display:block}.system-label small{font-size:9px;letter-spacing:.04em;color:#93a2bf;display:block;margin-top:2px}.system-label b{font-weight:400;color:#8394b3;margin-left:7px;font-size:14px}.label-practice{top:73px;right:0;border-color:#6cb0a780}.label-thinking{top:191px;left:0;border-color:#8573ba80}.label-thinking>span{color:#c4afff;border-color:#8a6dc766}.label-tools{top:306px;right:0;border-color:#5978ad80}.label-tools>span{color:#9bbaff;border-color:#5375ad80}.label-foundation{top:407px;left:2px}.shape-bottomline{position:absolute;bottom:-2px;left:0;right:0;display:flex;justify-content:center;align-items:center;gap:8px;font-size:10px;letter-spacing:.05em;color:#8798b3}.shape-bottomline .seed{width:4px;height:4px}.hero-facts{display:grid;grid-template-columns:1fr 1.1fr 1fr 1.25fr;padding:32px 0 38px;border-top:1px solid #ffffff12;gap:36px}.hero-facts>div{border-right:1px solid #ffffff12}.hero-facts>div:last-child{border:0}.hero-facts strong{font-size:36px;line-height:1.3;letter-spacing:-.04em;font-weight:500;color:#e9edfb}.hero-facts strong>span{font-size:12px;color:#899ab7;letter-spacing:0;margin-left:8px}.hero-facts p{font-size:11px;color:#8594ae;margin-top:6px}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:48px;margin-bottom:42px}.section-head h2{font-size:38px;font-weight:600;margin-top:14px;line-height:1.4}.section-head>p{font-size:13px;color:#8c9bb5;line-height:1.9;max-width:310px;flex-shrink:0}.framework-layout{display:grid;grid-template-columns:285px 1fr;gap:24px}.layer-picker{display:flex;flex-direction:column;gap:9px}.layer-picker button{display:flex;align-items:center;gap:20px;min-height:96px;background:transparent;border:1px solid #28334b;border-radius:9px;padding:17px 22px;text-align:left;transition:background .2s,border-color .2s}.layer-picker button>span:last-child{margin-left:auto;color:#7887a5}.layer-picker button[aria-pressed=true]{background:linear-gradient(110deg,#173338,#182337);border-color:#507a7a;box-shadow:inset 3px 0 #63ded5}.layer-picker button:hover{background:#162137;border-color:#52617b}.layer-letter{font-size:28px;font-weight:300;color:#70d9d2;width:32px;line-height:1;flex:none}.layer-picker button[data-layer=tools] .layer-letter{color:#8eabff}.layer-picker button[data-layer=thinking] .layer-letter{color:#b9a2ff}.layer-picker button[data-layer=practice] .layer-letter{color:#e4c58e}.layer-picker strong,.layer-picker small{display:block}.layer-picker strong{font-size:15px;font-weight:550}.layer-picker small{font-size:11px;color:#8c9db7;margin-top:4px}.layer-panel{background:linear-gradient(135deg,#141f32,#101727);border:1px solid #2b3852;border-radius:12px;padding:32px 38px;min-height:411px;position:relative;overflow:hidden}.layer-panel:before{content:"";width:180px;height:180px;position:absolute;right:-70px;top:-100px;background:#446ebc20;filter:blur(40px);pointer-events:none}.panel-heading{display:flex;align-items:center;gap:22px;margin-bottom:15px}.panel-heading h3{font-size:25px;font-weight:550}.panel-heading .label{font-size:10px;color:#74d9d3;padding-left:20px;border-left:1px solid #3c5363}.panel-description{font-size:13px;line-height:1.95;color:#a5b3cb}.ability-list{display:grid;grid-template-columns:1fr 1fr;gap:22px 32px;margin-top:26px}.ability-item{border-top:1px solid #2b3850;padding-top:17px}.ability-item h4{font-size:14px;font-weight:550;margin-bottom:6px}.ability-item p{font-size:12px;line-height:1.9;color:#8f9fb9}.panel-example{font-size:12px;background:#1b363c55;border-left:2px solid #4c9f9e;padding:13px 16px;color:#b2cecf;margin-top:26px;border-radius:0 6px 6px 0}.throughline{display:flex;align-items:center;gap:30px;flex-wrap:wrap;margin-top:32px;padding:24px 0;border-top:1px solid #202c42}.throughline>span{font-size:11px;color:#74849f}.throughline ol{display:flex;gap:34px;list-style:none;padding:0;margin:0}.throughline li{font-size:12px;margin:0;position:relative;color:#bdc8dc}.throughline li:not(:last-child):after{content:"→";position:absolute;right:-25px;color:#475873}.throughline>p{font-size:12px;color:#7b8ca7;margin:0;width:100%}
.age-section{background:radial-gradient(ellipse at 8% 70%,#33305b36,transparent 55%),#0e1322;border-block:1px solid #ffffff0c}.age-section .eyebrow{color:#b8a4f6}.age-picker{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.age-picker button{position:relative;background:#131a2b;border:1px solid #2a344c;min-height:91px;padding:20px 25px;text-align:left;border-radius:9px;font-size:25px;font-weight:500;display:flex;align-items:center;justify-content:space-between;gap:10px;transition:border-color .2s,background .2s}.age-picker small{font-size:11px;font-weight:400;color:#8c9cba}.age-picker button[aria-pressed=true]{background:linear-gradient(110deg,#2c2748,#1e2740);border-color:#8776ba}.age-picker button[aria-pressed=true]:after{content:"";position:absolute;height:3px;width:38px;background:#b6a0ff;bottom:-1px;left:25px;border-radius:4px}.age-picker button:hover{border-color:#8f83bc}.age-panel{display:grid;grid-template-columns:1fr 1.15fr;gap:90px;padding-block:42px}.age-quote{font-size:28px;line-height:1.6;font-weight:450;letter-spacing:-.035em;max-width:430px}.age-intro{font-size:13px;color:#98a5bf;margin-top:17px;max-width:400px}.age-intro+.age-intro{font-size:11px;color:#7b88a3}.age-facts{display:grid;gap:12px;margin:0}.age-facts>div{display:grid;grid-template-columns:75px 1fr;gap:24px;padding-bottom:14px;border-bottom:1px solid #2b334b;font-size:12px}.age-facts dt{color:#a99ad0}.age-facts dd{margin:0;color:#b1bfd3}
#projects .section-head{margin-bottom:32px}.project-picker{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin-bottom:20px}.project-picker button{display:flex;gap:13px;align-items:center;justify-content:center;background:#111929;border:1px solid #2c3850;padding:18px 12px;border-radius:9px;font-size:13px;min-height:67px;transition:background .2s,border-color .2s}.project-picker svg{height:22px;width:22px;color:#8599bd;flex:none}.project-picker button[aria-pressed=true]{background:linear-gradient(110deg,#183b40,#192a40);color:#91f4e6;border-color:#538a89}.project-picker button[aria-pressed=true] svg{color:#7ce9db}.project-picker button:hover{border-color:#648a99;background:#17253a}.project-stage{display:grid;grid-template-columns:1.1fr 1fr;gap:70px;padding:43px 44px;background:radial-gradient(ellipse at 10% 0%,#2b6c7130,transparent 55%),linear-gradient(115deg,#152432,#141b30);border:1px solid #32475b;border-radius:14px}.project-meta{display:flex;gap:13px;flex-wrap:wrap;font-size:10px;letter-spacing:.02em;color:#81c9c8;margin-bottom:20px}.project-meta span+span,.project-meta a{padding-left:12px;border-left:1px solid #3d5a68}.project-meta a{color:#9daecd}.project-stage h3{font-size:30px;line-height:1.55;letter-spacing:-.035em;font-weight:500}.project-desc{font-size:13px;color:#99b0c3;margin-top:18px;line-height:1.95}.project-outcome{display:flex;gap:16px;align-items:start;margin-top:28px;padding-top:21px;border-top:1px solid #2e4656}.project-outcome>span{font-size:10px;color:#76d5ca;white-space:nowrap;padding-top:3px}.project-outcome p{font-size:13px;color:#c2d5df}.project-skills{display:flex;flex-direction:column;justify-content:center}.project-skill{display:grid;grid-template-columns:30px 1fr;gap:17px;padding:19px 0;border-bottom:1px solid #2b3d56}.project-skill:first-child{padding-top:0}.project-skill:last-child{border:0;padding-bottom:0}.project-skill>b{font:11px ui-monospace,monospace;color:#6c83a4;padding-top:4px}.project-skill h4{font-size:14px;font-weight:500;color:#d4dfef;margin-bottom:7px}.project-skill p{font-size:12px;color:#8e9fb9;line-height:1.9}.project-details{display:grid;grid-template-columns:1fr 1fr;gap:50px;padding-block:38px;border-bottom:1px solid #273249}.project-details h3,.journey-heading h3,.record-heading h3{font-size:18px;font-weight:500}.project-details .muted{margin-top:8px;font-size:12px;color:#8494ae}.level-picker{display:flex;gap:7px;flex-wrap:wrap;margin-top:20px}.level-picker button,.compact-picker button{border:1px solid #324059;background:#101827;border-radius:6px;min-height:41px;padding:8px 13px;font-size:11px;color:#a5b6ce;transition:background .2s,border-color .2s}.level-picker button[aria-pressed=true],.compact-picker button[aria-pressed=true]{background:#213d46;border-color:#42717b;color:#94e9df}.level-picker button:hover,.compact-picker button:hover{border-color:#63828f}.level-result{font-size:12px;color:#8d9fba;margin-top:17px;min-height:70px;line-height:1.95}.level-result strong{color:#c2d9e3;font-weight:500}.journey-heading,.record-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:36px;margin-bottom:23px}.journey-heading p{font-size:12px;margin-top:7px;color:#8494ae}.compact-picker{display:flex;gap:6px;flex-shrink:0}.week-picker{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:7px;position:relative}.week-picker[data-duration="6"]{grid-template-columns:repeat(6,minmax(0,1fr))}.week-picker button{position:relative;text-align:left;padding:17px 12px;min-height:83px;border:1px solid #2c3951;border-radius:7px;background:#111829;font-size:12px;color:#9eadc4}.week-picker small{display:block;font-size:10px;color:#687f9e;margin-bottom:7px}.week-picker button[aria-pressed=true]{background:#1a3b42;color:#a0f0e6;border-color:#4a858b}.week-picker button[aria-pressed=true] small{color:#7fb8bd}.week-picker button:hover{border-color:#526d86}.week-panel{display:grid;grid-template-columns:.65fr 1fr 1fr;gap:32px;padding:30px 0;border-bottom:1px solid #28334a;min-height:168px}.week-panel h4{font-size:13px;font-weight:500;margin-bottom:9px}.week-panel h3{font-size:23px;font-weight:500}.week-panel p{font-size:12px;color:#8f9fba;line-height:1.9}.week-panel .week-number{font-size:10px;color:#70c7c3;margin-bottom:8px;letter-spacing:.04em}.start-strip{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:32px;padding:23px 26px;background:linear-gradient(110deg,#17313988,#192738);border:1px solid #304955;border-radius:10px}.start-strip h3{font-size:19px;font-weight:500}.start-strip p{font-size:11px;color:#8fa7bb;margin-top:5px}.feedback{font-size:12px;color:#84ded4;min-height:20px;margin-top:11px}#plan-fallback{font-size:11px;color:#7c90ad}#plan-fallback 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/* The complete blueprint: four chapters, all content visible. */
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:root{--reading-offset:136px;scroll-padding-top:var(--reading-offset);scrollbar-gutter:stable}
.site-head{border-bottom:0}.head-inner{height:72px;gap:30px}.chapter-nav{gap:24px}.chapter-nav a{font-size:13px}.chapter-nav .nav-blueprint{margin-left:2px;padding-left:23px;border-left:1px solid #2b364b}.chapter-nav .nav-blueprint[aria-current=location]:after{left:calc(50% + 3px)}
.directory-toggle{display:flex;align-items:center;gap:9px;min-height:40px;padding:9px 13px;border:1px solid #35455e;border-radius:7px;background:#162034;color:#d9e5f6;font:500 12px var(--sans);white-space:nowrap;cursor:pointer}.directory-toggle svg{height:17px;width:17px}.directory-toggle:hover,.directory-toggle[aria-expanded=true]{border-color:#6faaa8;background:#203039;color:#a7eee5}.reading-bar{border-top:1px solid #ffffff09;background:#0f1626}.reading-inner{width:min(1392px,calc(100% - 80px));height:44px;margin:auto;display:flex;gap:25px;align-items:center}.reading-location{display:flex;align-items:center;gap:10px;min-width:0;font-size:11px;color:#adbbd2;flex:1}.reading-label{color:#647c9b;white-space:nowrap;font-size:10px;letter-spacing:.05em}#reading-current{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}#reading-chapter{display:none}.reading-next{display:flex;align-items:center;gap:10px;min-height:40px;font-size:11px;color:#becce0;white-space:nowrap}.reading-next:hover{color:#8de5dd}.reading-next-label{color:#6f849e;font-size:10px}.reading-next[hidden]{display:none}#reading-next-title{max-width:200px;overflow:hidden;text-overflow:ellipsis}.reading-next>span:last-child{font-size:17px;color:#83a7b9}.blueprint-shortcuts{display:none;align-items:stretch;gap:4px;height:44px;flex:none}.reading-bar[data-blueprint=true] .blueprint-shortcuts{display:flex}.blueprint-shortcuts a{display:flex;align-items:center;gap:8px;font-size:12px;white-space:nowrap;color:#8799b4;padding:0 13px;position:relative}.blueprint-shortcuts a>span{font:9px ui-monospace,monospace;opacity:.65}.blueprint-shortcuts a:hover{color:var(--chapter-accent);background:#ffffff04}.blueprint-shortcuts a[aria-current=location]{color:var(--chapter-accent);background:var(--chapter-soft)}.blueprint-shortcuts a[aria-current=location]:after{content:"";height:2px;background:var(--chapter-accent);position:absolute;bottom:0;inset-inline:13px}.reading-bar[data-blueprint=true] .reading-location{border-left:1px solid #2b364b;padding-left:22px}.reading-bar[data-blueprint=true] .reading-label{display:none}.reading-bar[data-blueprint=true] #reading-next-title{display:none}.reading-progress{height:2px;background:#202b40}.reading-progress>span{display:block;height:100%;width:var(--reading-progress,0%);background:linear-gradient(90deg,#69d9cf,#a398ed)}
.reading-directory{padding:0;border:1px solid #3b4963;border-radius:15px;background:#101827;color:#e1eafa;width:min(1180px,calc(100% - 64px));max-width:none;max-height:calc(100dvh - 40px);margin:auto;box-shadow:0 35px 100px #0009;overflow:hidden}.reading-directory[open]{display:flex;flex-direction:column}.reading-directory::backdrop{background:#02050dd6;backdrop-filter:blur(7px)}.directory-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 30px 18px;border-bottom:1px solid #28364d;flex:none;background:linear-gradient(110deg,#152536,#171d30)}.directory-heading p{font:9px ui-monospace,monospace;letter-spacing:.19em;color:#7acfc6;margin:0 0 9px}.directory-heading h2{font-size:23px;line-height:1.4;font-weight:550;letter-spacing:-.02em}.directory-close{display:grid;place-items:center;flex:none;width:40px;height:40px;border:1px solid #384b64;background:#142035;color:#bac9de;border-radius:7px;cursor:pointer}.directory-close:hover{background:#273750;color:white}.directory-close svg{width:19px;height:19px}.directory-body{overflow:auto;overscroll-behavior:contain;padding:18px 30px 18px;min-height:0;scrollbar-color:#435574 #101827}.directory-overview{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.directory-overview>a{display:flex;align-items:center;gap:13px;border:1px solid #2c3e56;border-radius:7px;padding:15px 15px;min-width:0;background:#142033}.directory-overview>a>span{font:10px ui-monospace,monospace;color:#6e9baf;align-self:flex-start;margin-top:4px}.directory-overview strong{display:block;font-size:13px;font-weight:500;color:#d4e3f4}.directory-overview small{display:block;font-size:10px;color:#819bb8;margin-top:3px}.directory-overview b{font-size:14px;font-weight:400;color:#687e99;margin-left:auto}.directory-overview>a:hover,.directory-overview>a[aria-current=location]{border-color:#66aba6;background:#193138}.directory-section-title{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:26px 0 17px}.directory-section-title h2{font-size:14px;font-weight:500}.directory-section-title h2 small{font-weight:400;font-size:10px;color:#8096b5;margin-left:10px}.directory-section-title>a{font-size:11px;color:#8da5c0;white-space:nowrap}.directory-section-title>a:hover{color:#9aebe2}.directory-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}.directory-group{min-width:0;padding:16px 10px 8px;border:1px solid var(--chapter-line);border-radius:8px;background:linear-gradient(145deg,var(--chapter-soft),#131c2d 75%)}.directory-group h3{padding-inline:5px}.directory-group h3>a{display:flex;align-items:center;gap:8px;min-height:30px;font-size:15px;font-weight:500;color:var(--chapter-accent)}.directory-group h3 span{font:10px ui-monospace,monospace;opacity:.7}.directory-group h3 small{margin-left:auto;font-size:9px;font-weight:400;color:#899bb5}.directory-group>p{font-size:10px;line-height:1.8;color:#7f97b2;margin:4px 5px 13px}.directory-group ol{list-style:none;padding:0;margin:0;display:grid;gap:3px}.directory-group li+li{margin-top:0}.directory-group li>a{min-height:40px;padding:8px 6px;border:1px solid transparent;border-radius:5px;display:flex;gap:8px;align-items:baseline;color:#aebdd4;font-size:12px;line-height:1.7}.directory-group li>a>span{font:9px ui-monospace,monospace;opacity:.5;flex:none}.directory-group li b{font-weight:400}.directory-group li>a:hover{background:#ffffff07;color:#e5effc}.directory-group li>a[aria-current=location]{color:var(--chapter-accent);border-color:var(--chapter-line);background:#ffffff08}.directory-group li>a[aria-current=location]>span{opacity:1}.directory-group h3>a[aria-current=location]{text-decoration:underline;text-underline-offset:5px;text-decoration-thickness:1px}.directory-foot{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid #2a384e;padding:14px 30px;font-size:10px;color:#728bab;flex:none}.directory-foot a{color:#b7c8e0;white-space:nowrap}body.directory-open{overflow:hidden}.directory-toggle:focus-visible,.directory-close:focus-visible,.reading-directory a:focus-visible,.reading-inner a:focus-visible{outline:2px solid #8ce4d9;outline-offset:3px}
@media(max-width:1150px){.head-inner{gap:21px}.chapter-nav{gap:18px}.chapter-nav .nav-blueprint{padding-left:18px}.reading-inner{width:calc(100% - 48px);gap:17px}.reading-bar[data-blueprint=true] .reading-location{padding-left:17px}.blueprint-shortcuts a{padding-inline:10px;gap:6px}.directory-heading{padding:22px 24px}.directory-body{padding:20px 24px 24px}.directory-grid{gap:10px}.directory-group{padding-inline:8px}.directory-overview{gap:10px}.directory-overview>a{padding:13px 12px;gap:10px}.directory-foot{padding-inline:24px}}
@media(max-width:1000px){.chapter-nav{display:none}.directory-toggle{margin-left:auto}.reading-directory{width:calc(100% - 40px);max-height:calc(100dvh - 40px)}.directory-grid{grid-template-columns:1fr 1fr;gap:15px}.directory-group li>a{font-size:13px;min-height:44px}.directory-group li>a>span{font-size:10px}.directory-overview{grid-template-columns:1fr 1fr}.reading-bar[data-blueprint=true] .reading-location{padding-left:0;border:0}.reading-bar[data-blueprint=true] #reading-current{display:block}.blueprint-shortcuts{flex:none;gap:1px}.blueprint-shortcuts a{padding-inline:9px;font-size:11px}.reading-bar[data-blueprint=true] .reading-location{display:flex}}
@media(max-width:700px){:root{--reading-offset:126px}.head-inner{height:64px;width:calc(100% - 36px)}.directory-toggle{font-size:11px;gap:6px;padding:8px 10px;min-height:38px}.directory-toggle svg{height:16px;width:16px}.brand small{font-size:11px;margin-left:7px}.reading-inner{width:calc(100% - 36px);height:40px;gap:12px}.reading-label{display:none}.reading-location{font-size:10px;gap:6px}#reading-chapter:not(:empty){display:block;white-space:nowrap;color:#8ab8c7}#reading-chapter:not(:empty):after{content:"/";color:#4f6584;margin-left:6px}.reading-bar[data-blueprint=true] .blueprint-shortcuts{display:none}.reading-bar[data-blueprint=true] .reading-location{display:flex}.reading-bar[data-blueprint=true] #reading-current{display:block}.reading-next{gap:6px;min-height:40px}.reading-next-label{font-size:10px}#reading-next-title{display:none}.reading-directory{width:calc(100% - 20px);max-height:calc(100dvh - 24px);border-radius:10px}.directory-heading{padding:18px 18px 17px;gap:12px}.directory-heading p{font-size:8px;margin-bottom:6px}.directory-heading h2{font-size:18px;line-height:1.6;max-width:220px}.directory-close{height:36px;width:36px}.directory-body{padding:16px 16px 21px}.directory-overview{gap:9px}.directory-overview>a{padding:12px 10px;gap:8px}.directory-overview>a>span{font-size:9px}.directory-overview strong{font-size:12px}.directory-overview small{font-size:9px}.directory-overview b{display:none}.directory-section-title{align-items:center;margin:24px 0 14px;gap:8px}.directory-section-title h2{font-size:14px}.directory-section-title h2 small{display:block;font-size:9px;margin:4px 0 0}.directory-section-title>a{font-size:10px}.directory-grid{grid-template-columns:1fr;gap:13px}.directory-group{padding:17px 13px 12px}.directory-group h3>a{font-size:17px}.directory-group>p{font-size:11px;margin-bottom:11px}.directory-group li>a{padding:11px 8px;font-size:13px;gap:11px}.directory-foot{padding:13px 18px;font-size:10px}.directory-foot>span{max-width:170px;line-height:1.7}}
@media(max-width:370px){.head-inner,.reading-inner{width:calc(100% - 28px)}.brand{gap:7px;font-size:20px}.brand small{font-size:10px;margin-left:5px}.directory-toggle{padding-inline:8px;font-size:10px}.directory-toggle svg{width:14px}.directory-heading h2{font-size:16px}.directory-overview>a{gap:5px;padding-inline:8px}.directory-overview small{font-size:8px}}
@media print{.reading-directory,.site-head{display:none!important}body.directory-open{overflow:visible}}

/* UP workbench: persistent left navigation, reading canvas, contextual right column. */
:root{--paper:#14212e;--surface:#203344;--ink:#e4eef4;--muted:#a8bdcc;--line:#354d5e;--green:#90d7cf;--reading-offset:90px;background:var(--paper);scroll-padding-top:var(--reading-offset)}
body{background:radial-gradient(ellipse at 85% 0,#34445a2b,transparent 48%),var(--paper)}
.workspace-sidebar{position:fixed;inset:0 auto 0 0;width:208px;height:100dvh;z-index:40;background:linear-gradient(155deg,#1a303b,#172a35 65%,#182b36);border-right:1px solid #344a57;display:flex;flex-direction:column;color:#ccdde6;box-shadow:4px 0 22px #05111a12}
.sidebar-brand{padding:29px 19px 25px}.workspace-sidebar .brand{font-size:16px;gap:10px;letter-spacing:0;align-items:center}.workspace-sidebar .brand>span:last-child{line-height:1.4}.workspace-sidebar .brand small{display:block;margin:5px 0 0;font-size:10px;font-weight:400;color:#95aebd;letter-spacing:.04em}.workspace-sidebar .brand-mark{height:34px;width:39px;border-radius:8px}.workspace-sidebar .brand img{height:23px;width:30px}.sidebar-scroll{min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:0 13px 17px;scrollbar-width:thin;scrollbar-color:#405967 transparent}.sidebar-label{font-size:10px;letter-spacing:.1em;color:#7693a4;padding:0 12px;margin:0 0 10px}.blueprint-label{margin-top:27px}.side-nav,.side-chapters{display:flex;flex-direction:column;gap:5px}.side-nav a,.side-chapters a{display:flex;align-items:center;gap:12px;min-height:42px;padding:10px 12px;border-radius:11px;color:#afc3d0;font-size:12px;line-height:1.5;transition:background .15s,color .15s}.side-nav a svg{width:17px;height:17px;color:#7c9ba8;flex:none}.side-nav a:hover,.side-chapters a:hover{background:#29424d;color:#e3eff6}.side-nav a[aria-current=location]{color:#b7ede4;background:#2b4b52;box-shadow:inset 3px 0 #8bcac4}.side-nav a[aria-current=location] svg{color:#9bd4cb}.side-chapter-no{font:10px ui-monospace,monospace;min-width:17px;color:#7796a4}.side-chapters small{margin-left:auto;font-size:9px;font-weight:400;min-width:20px;text-align:center;border-radius:5px;background:#27404b;color:#8eacbb;line-height:20px}.side-chapters a[aria-current=location]{color:var(--chapter-accent);background:var(--chapter-soft);box-shadow:inset 3px 0 var(--chapter-accent)}.side-chapters a[aria-current=location] .side-chapter-no{color:var(--chapter-accent)}.sidebar-foot{margin-top:auto;padding:16px 19px 21px;border-top:1px solid #344b582f;flex:none}.sidebar-note{border:1px solid #3b535f;background:#223b46;border-radius:12px;padding:15px 13px;display:flex;align-items:start;gap:10px;margin-bottom:17px}.sidebar-note .seed{width:5px;height:5px;flex:none;margin-top:7px;background:#99cbb8;box-shadow:none}.sidebar-note p{font-size:11px;line-height:1.9;color:#94afbb}.sidebar-note strong{font-size:12px;font-weight:500;color:#cfdfdf}.sidebar-foot>a{display:flex;align-items:center;gap:9px;color:#9fb7c6;font-size:11px;padding:3px}.sidebar-foot>a:hover{color:#d2eceb}.sidebar-foot>a svg{width:15px;height:15px}
.workspace-shell{margin-left:208px;min-height:100dvh}.workspace-topbar.site-head{height:64px;position:sticky;top:0;z-index:30;padding:0 28px;background:#14212ef2;border-bottom:1px solid #32485770;display:flex;align-items:center;gap:18px;backdrop-filter:blur(18px)}.workspace-breadcrumb{display:flex;align-items:center;gap:11px;flex:1;min-width:0;color:#b2c4d3;font-size:11px}.workspace-breadcrumb>a{white-space:nowrap;color:#7e9aaf}.workspace-breadcrumb>a:hover{color:#c0e6e4}.workspace-breadcrumb>span[aria-hidden]{color:#496678}.workspace-breadcrumb #reading-chapter:not(:empty){display:inline;white-space:nowrap;color:#91bfca}.workspace-breadcrumb #reading-current{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.workspace-breadcrumb #reading-chapter:not(:empty):after{content:"/";color:#496678;margin-left:11px}.workspace-actions{display:flex;align-items:center;gap:14px;margin-left:auto;flex:none}.workspace-actions .directory-toggle{background:#203443;border:1px solid #3a5362;min-height:36px;font-size:11px;padding:7px 12px;color:#bdd2df;border-radius:9px}.workspace-actions .directory-toggle:hover{background:#2a4652;color:#ccf0e9}.workspace-topbar .reading-progress{position:absolute;bottom:-1px;inset-inline:0;height:1px;background:transparent}.workspace-topbar .reading-progress>span{opacity:.7}.workspace-topbar .reading-next{display:none}.mobile-brand{display:none}
.workspace-columns{display:grid;grid-template-columns:minmax(0,1fr) 228px;align-items:start;gap:24px;width:100%;max-width:1580px;margin:auto;padding:28px}.workspace-columns>main{min-width:0;container-type:inline-size}.workspace-columns .wrap{width:100%;max-width:none;margin-inline:0}.workspace-columns main>.section,.workspace-columns main>.age-section,.workspace-columns main>.evidence-section{padding:28px;background:#1b2d3d;border:1px solid #344b5d;border-radius:19px;margin-bottom:24px;overflow:clip}.workspace-columns main>.age-section .section,.workspace-columns main>.evidence-section .section{padding:0}.workspace-columns .section-head{display:block;margin-bottom:25px}.workspace-columns .section-head .eyebrow{font-size:9px;letter-spacing:.12em}.workspace-columns .section-head h2{font-size:28px;line-height:1.5;letter-spacing:-.035em;margin-top:11px}.workspace-columns .section-head>p{max-width:none;font-size:12px;line-height:1.9;margin-top:12px;color:#9bb2c5}.workspace-columns .section-head>p br{display:none}.workspace-columns h3{color:#d8e6f0}.workspace-columns .button{font-size:12px;min-height:42px;padding:10px 15px;border-radius:10px}.workspace-columns .text-link{font-size:12px}.workspace-columns .muted{color:#96adbf}.workspace-columns .actions{gap:10px}
.workspace-columns .hero{border:1px solid #3d526a;border-radius:20px;background:radial-gradient(ellipse at 95% 0%,#4e44765c,transparent 58%),linear-gradient(135deg,#213a49,#1b2b3e 70%);padding:28px;margin-bottom:24px;overflow:hidden}.workspace-columns .hero-grid{grid-template-columns:minmax(0,1.1fr) minmax(210px,.9fr);gap:24px;padding:0;align-items:center}.workspace-columns .hero .eyebrow{font-size:8px;letter-spacing:.1em;line-height:1.9}.workspace-columns .hero h1{font-size:40px;line-height:1.3;margin:20px 0 20px;letter-spacing:-.045em}.workspace-columns .intro{font-size:13px;line-height:1.9}.workspace-columns .hero-note{font-size:10px;line-height:1.9;margin-top:19px;letter-spacing:0;color:#829db3}.workspace-columns .hero .actions{flex-wrap:wrap}.workspace-columns .hero-facts{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;padding:23px 0 0;margin-top:26px}.workspace-columns .hero-facts strong{font-size:25px}.workspace-columns .hero-facts strong>span{font-size:10px;margin-left:5px}.workspace-columns .hero-facts p{font-size:10px;line-height:1.9;color:#9ab2c6}.workspace-columns .growth-shape{height:auto;max-width:none;width:100%;margin:0;display:grid;gap:9px;padding:0;isolation:isolate;position:relative}.workspace-columns .growth-shape:before{display:none}.workspace-columns .shape-topline{position:static;padding:0 0 12px;font-size:8px;letter-spacing:.08em;color:#829ab8}.workspace-columns .system-art{inset:10px -30px auto auto;width:100%;height:290px;opacity:.19;z-index:-1;transform:rotate(-9deg)}.workspace-columns .system-label{position:static;inset:auto;min-height:61px;width:100%;padding:12px;gap:10px;background:#20364aeb;border:1px solid #46607b80;box-shadow:0 6px 16px #09121d18;border-radius:11px;transform:none;backdrop-filter:none}.workspace-columns .system-label:hover{transform:translateX(-3px);border-color:#83b9b3}.workspace-columns .system-label>span{display:grid;width:25px;height:25px;flex:none;font-size:9px;border:0;border-radius:7px;background:#2d4c5e;color:#9fdcd3}.workspace-columns .system-label strong{font-size:12px}.workspace-columns .system-label small{font-size:9px;margin-top:3px;color:#8da8c0}.workspace-columns .system-label b{display:block;margin-left:auto;font-size:12px}.workspace-columns .label-thinking{background:#30374be8;border-color:#675c8170}.workspace-columns .label-thinking>span{background:#454260;color:#c2b5e7}.workspace-columns .label-tools{background:#243751f0}.workspace-columns .label-tools>span{background:#354a68;color:#b4c4ec}.workspace-columns .label-foundation{background:#203d46e8}.workspace-columns .label-foundation>span{background:#2e5258;color:#b1e5dc}.workspace-columns .shape-bottomline{position:static;display:flex;justify-content:flex-start;padding-top:7px;font-size:8px;letter-spacing:0;line-height:1.9}
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.topic-connections{margin-top:25px;border-top:1px solid var(--chapter-line);padding-top:16px}.topic-connections>p{font-size:10px;letter-spacing:.06em;color:#7799ae;margin:0 0 11px}.topic-connections>p>span{color:var(--chapter-accent);font-size:15px;margin-right:5px}.topic-connections nav{display:grid;grid-template-columns:1fr 1fr;gap:10px}.topic-connections a{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:14px 16px;border:1px solid #3d556655;border-radius:10px;background:#20374866;transition:background .2s,border-color .2s}.topic-connections small{font-size:10px;line-height:1.7;color:#8eacbc;display:block}.topic-connections strong{font-size:12px;line-height:1.7;color:#c5dbe6;font-weight:500;display:block;margin-top:5px}.topic-connections a>span{font-size:13px;color:var(--chapter-accent);opacity:.7;flex:none}.topic-connections a:hover{border-color:var(--chapter-accent);background:var(--chapter-soft)}.context-topics>a[aria-current=location]{box-shadow:inset 2px 0 #a3d9d4}.workspace-sidebar .side-chapters a[aria-current=location] .side-chapter-no{color:#d3e8f4}
@container(max-width:680px){.intent-route>header{align-items:flex-start;flex-wrap:wrap}.intent-route{padding:22px}.intent-route h3{font-size:19px}.intent-picker{width:100%}.intent-picker button{flex:1}.intent-path[data-count="4"]{grid-template-columns:1fr 1fr}.intent-path[data-count="4"]>a:nth-child(2):after{display:none}.workspace-columns .blueprint-link{padding:18px 15px;min-height:190px}.workspace-columns .blueprint-link strong{font-size:18px}.workspace-columns .blueprint-nav-icon{height:32px;width:32px}.workspace-columns .blueprint-route{gap:6px}.blueprint-route a{gap:6px;padding:10px 8px;font-size:10px}.blueprint-route a>span{width:20px;height:20px;font-size:8px}.blueprint-relation-label{display:block}.blueprint-relation-label p{margin-top:5px}}
@container(max-width:490px){.intent-route{padding:20px 18px;border-radius:14px;margin-bottom:22px}.intent-route h3{font-size:19px}.intent-path,.intent-path[data-count="4"]{grid-template-columns:1fr;gap:10px}.intent-path>a{align-items:center;padding:13px 15px;gap:14px}.intent-path small{margin-top:3px}.intent-path>a:not(:last-child):after,.intent-path[data-count="4"]>a:nth-child(2):after{display:block;content:"↓";top:auto;bottom:-11px;right:auto;left:21px;height:11px;line-height:11px}.intent-path>a>b{top:17px;right:15px}.workspace-columns .blueprint-overview{grid-template-columns:1fr;gap:13px}.workspace-columns .blueprint-link{display:flex;align-items:center;min-height:120px;padding:20px;gap:17px}.workspace-columns .blueprint-link>div{min-width:0;flex:1}.workspace-columns .blueprint-link>b{position:static;align-self:flex-start}.workspace-columns .blueprint-link.is-curriculum:after,.workspace-columns .blueprint-link.is-delivery:after{content:"↓";top:auto;right:auto;left:33px;bottom:-13px;height:13px;line-height:13px}.workspace-columns .blueprint-link strong{font-size:20px}.workspace-columns .blueprint-link.is-protection{min-height:120px;padding:20px;gap:17px}.workspace-columns .blueprint-link.is-protection>div{display:block}.workspace-columns .blueprint-link.is-protection strong{margin:6px 0}.workspace-columns .blueprint-link.is-protection>b{align-self:flex-start}.workspace-columns .blueprint-route{flex-direction:column;align-items:stretch;gap:5px;padding-top:10px}.blueprint-route a{font-size:11px;padding:11px 12px;gap:12px}.blueprint-route>b{font-size:0;line-height:10px;padding-left:21px}.blueprint-route>b:after{content:"↓";font-size:10px}.topic-connections nav{grid-template-columns:1fr}.topic-connections a{padding:13px 14px}.topic-connections strong{font-size:11px}.workspace-columns main>[data-section-index]:after{font-size:64px;top:16px;right:17px}}
@media(prefers-reduced-motion:reduce){.intent-picker button,.intent-path>a,.workspace-columns .blueprint-link,.blueprint-route a,.topic-connections a,.workspace-columns .blueprint-topic-head{transition:none}.intent-path>a:hover,.workspace-columns .blueprint-link:hover{transform:none}}
@media print{.intent-route,.topic-connections,.blueprint-relation-label{display:none!important}.workspace-columns main>[data-section-index]:after{display:none}.workspace-columns .blueprint-topic-head{background:transparent!important;box-shadow:none!important;padding:0;margin-left:0;margin-right:0}.workspace-columns .blueprint-route a{border-color:#aaa;background:white}.workspace-columns .blueprint-chapter{background:white!important}.workspace-columns .blueprint-link{background:white!important;box-shadow:none}}

/* Content-led colour and diagrams. Solid text surfaces retain reading contrast. */
:root {
  --growth-mint: #93e4cc;
  --growth-blue: #a3c9ff;
  --growth-violet: #d0b9ff;
  --growth-amber: #f3c494;
}
.tone-mint { --tone: var(--growth-mint); --tone-wash: #24473f; }
.tone-blue { --tone: var(--growth-blue); --tone-wash: #293f61; }
.tone-violet { --tone: var(--growth-violet); --tone-wash: #443657; }
.tone-amber { --tone: var(--growth-amber); --tone-wash: #554238; }
.is-curriculum { --chapter-accent: #93e4cc; --chapter-soft: #203d37; --chapter-line: #3e655e; --chapter-wash: #24463f; }
.is-delivery { --chapter-accent: #a3c9ff; --chapter-soft: #253b56; --chapter-line: #46678c; --chapter-wash: #2b425e; }
.is-operations { --chapter-accent: #d0b9ff; --chapter-soft: #372e4d; --chapter-line: #635478; --chapter-wash: #40354f; }
.is-protection { --chapter-accent: #f3c494; --chapter-soft: #463b31; --chapter-line: #79624c; --chapter-wash: #504236; }
.workspace-columns .blueprint-chapter {
  background: linear-gradient(150deg, var(--chapter-soft), transparent 570px), #192b3a;
  border-color: var(--chapter-line);
  box-shadow: 0 18px 45px #08151e16, inset 0 1px #ffffff08;
}
.workspace-columns .blueprint-chapter-head h3 { color: #f1f4f7; }
.workspace-columns .blueprint-chapter-head .eyebrow,
.workspace-columns .blueprint-question { color: var(--chapter-accent); }
.workspace-columns .blueprint-chapter-no {
  background: linear-gradient(145deg, var(--chapter-wash), #162834);
  border-color: var(--chapter-line);
  color: var(--chapter-accent);
}
.workspace-columns .blueprint-intro { color: #bccdd9; }

/* Each chapter has a visual explanation, an editorial caption and a clear boundary. */
.chapter-visual {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  align-items: center;
  gap: 0 24px;
  margin: 26px 0 0;
  padding: 18px 22px 0;
  border: 1px solid var(--chapter-line);
  border-radius: 18px;
  background: linear-gradient(120deg, var(--chapter-wash), #172838 72%);
  overflow: hidden;
}
.concept-canvas { min-width: 0; padding: 5px 0; }
.concept-svg { display: block; width: 100%; height: auto; max-height: 290px; overflow: visible; }
.concept-svg text { font-family: inherit; }
.art-label { fill: #eff5f8; font-size: 16px; font-weight: 550; }
.art-small { fill: #b8ccd8; font-size: 13px; font-weight: 400; }
.art-node rect { fill: var(--tone-wash); stroke: var(--tone); stroke-opacity: .6; stroke-width: 1; }
.art-node .art-label { fill: var(--tone); }
.art-extrude { fill: var(--tone); opacity: .14; }
.art-badge { fill: var(--tone); fill-opacity: .09; stroke: var(--tone); stroke-opacity: .35; }
.art-spark { stroke: var(--tone); stroke-width: 1.5; opacity: .65; }
.art-rail { fill: none; stroke: var(--chapter-accent); stroke-width: 1.2; stroke-opacity: .4; }
.art-loop { fill: none; stroke: #83afe0; stroke-width: 1.5; stroke-opacity: .6; }
.art-arrow { fill: none; stroke: #b5d7ff; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.art-core { fill: #1a2d3e; stroke: var(--chapter-accent); stroke-width: 1.5; }
.art-orbit { fill: none; stroke: var(--chapter-accent); stroke-opacity: .23; stroke-dasharray: 3 7; }
.art-dot { fill: var(--chapter-accent); }
.art-shield { fill: #5b4836; fill-opacity: .7; stroke: var(--growth-amber); stroke-width: 1.5; }
.art-person { fill: none; stroke: #f3d2ad; stroke-width: 1.7; stroke-linecap: round; }
.visual-kicker { color: var(--chapter-accent); font-size: 9px; letter-spacing: .12em; margin: 0 0 12px; }
.visual-title { display: block; color: #eff5f8; font-size: 23px; font-weight: 570; line-height: 1.6; letter-spacing: -.03em; }
.visual-description { color: #c0d0dc; font-size: 12px; line-height: 1.9; margin: 12px 0 15px; }
.visual-legend { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; }
.visual-legend li { display: flex; gap: 9px; align-items: baseline; margin: 0; font-size: 12px; line-height: 1.6; }
.visual-legend i { width: 7px; height: 7px; border-radius: 2px; background: var(--tone); flex: none; }
.visual-legend strong { color: var(--tone); font-size: 11px; font-weight: 500; margin-right: 9px; }
.visual-legend small { color: #b9cbd8; font-size: 10px; line-height: 1.8; }
.visual-note { grid-column: 1 / -1; border-top: 1px solid #c9dce01a; color: #b5c7d3; font-size: 10px; line-height: 1.8; margin: 17px 0 0; padding: 11px 0; }
.visual-note::before { content: "↳"; color: var(--chapter-accent); margin-right: 8px; }

/* Overview illustrations use the same shapes as the four detailed diagrams. */
.workspace-columns .blueprint-link { background: linear-gradient(140deg, var(--chapter-wash), #1c2f40); border-color: var(--chapter-line); gap: 8px; }
.overview-art { width: 140px; max-width: 100%; height: 92px; stroke: var(--chapter-accent); stroke-width: 1.2; stroke-linecap: round; stroke-linejoin: round; }
.overview-art rect,.overview-art circle { fill: var(--chapter-wash); }
.overview-art .mini-highlight { stroke-width: 2; }
.workspace-columns .blueprint-link strong { color: #eaf2f6; }
.workspace-columns .blueprint-link p { color: #bdcdd9; }
.workspace-columns .blueprint-link.is-protection { background: linear-gradient(110deg, #493c31, #25313c); border-color: #856d51; }
.workspace-columns .blueprint-link.is-protection p { color: #d2c7ba; }

/* Topics inherit a chapter colour; curriculum topics also carry their capability meaning. */
#guide-foundation { --chapter-accent: var(--growth-mint); --chapter-soft: #203d37; --chapter-line: #3e655e; --chapter-wash: #24463f; }
#guide-tools { --chapter-accent: var(--growth-blue); --chapter-soft: #253b56; --chapter-line: #46678c; --chapter-wash: #2b425e; }
#guide-thinking { --chapter-accent: var(--growth-violet); --chapter-soft: #372e4d; --chapter-line: #635478; --chapter-wash: #40354f; }
#guide-practice { --chapter-accent: var(--growth-amber); --chapter-soft: #463b31; --chapter-line: #79624c; --chapter-wash: #504236; }
.workspace-columns .blueprint-topic-head { position: relative; padding-right: 58px; }
.topic-glyph { position: absolute; right: 14px; top: 14px; width: 29px; height: 29px; color: var(--chapter-accent); opacity: .85; }
.workspace-columns .blueprint-topic-head h4 { color: var(--chapter-accent); }
.workspace-columns .blueprint-topic-head p { color: #b0c4d3; }
.workspace-columns .blueprint-topic[data-current]>.blueprint-topic-head { background: var(--chapter-soft); }
.workspace-columns .bp-card,
.workspace-columns .bp-note,
.workspace-columns .bp-coach-stages>li,
.workspace-columns .bp-cards>li,
.workspace-columns .bp-metrics>li {
  background: linear-gradient(140deg, var(--chapter-wash), #203343 90%);
  border-color: var(--chapter-line);
}
.workspace-columns .bp-card-index,.workspace-columns .bp-step-index,
.workspace-columns .bp-note h5,.workspace-columns .bp-card h5,
.workspace-columns .bp-cards h5,.workspace-columns .bp-metrics h5 { color: var(--chapter-accent); }
.workspace-columns .bp-card p,.workspace-columns .bp-note p { color: #c3d1dc; }
.workspace-columns .bp-card dt { color: var(--chapter-accent); }
.workspace-columns .bp-curriculum-matrix thead { background: #2b425e; }
.workspace-columns .bp-curriculum-matrix th { color: var(--growth-blue); }
.workspace-columns .bp-curriculum-matrix tbody tr:nth-child(even) { background: #2b425e44; }
.workspace-columns .bp-curriculum-matrix tbody td:first-child { color: #c5ddff; }
.workspace-columns .bp-discussion>li { background: linear-gradient(135deg, #40354f, #233246); border-color: #635478; }
.workspace-columns .bp-weeks>li { border-top: 2px solid #a3c9ff; }
.workspace-columns .bp-weeks>li:nth-child(n+5) { border-top-color: #f3c494; background: linear-gradient(140deg, #3b3d43, #203343); }

/* Interactive ability panel changes its colour with the selected content. */
[data-layer="foundation"],[data-layer-link="foundation"],[data-tone="foundation"] { --tone: #93e4cc; --tone-wash: #24473f; }
[data-layer="tools"],[data-layer-link="tools"],[data-tone="tools"] { --tone: #a3c9ff; --tone-wash: #293f61; }
[data-layer="thinking"],[data-layer-link="thinking"],[data-tone="thinking"] { --tone: #d0b9ff; --tone-wash: #443657; }
[data-layer="practice"],[data-layer-link="practice"],[data-tone="practice"] { --tone: #f3c494; --tone-wash: #554238; }
.workspace-columns .layer-picker button .layer-letter { color: var(--tone); background: var(--tone-wash); }
.workspace-columns .layer-picker button[aria-pressed=true] { border-color: var(--tone); background: var(--tone-wash); box-shadow: inset 0 3px var(--tone); }
.workspace-columns .layer-picker button[aria-pressed=true] strong { color: var(--tone); }
.workspace-columns .layer-picker small { color: #b2c5d4; }
.workspace-columns .layer-panel { background: linear-gradient(135deg, var(--tone-wash), #1b3042 70%); border-color: var(--tone); }
.workspace-columns .panel-heading { justify-content: flex-start; flex-wrap: wrap; gap: 10px; }
.workspace-columns .panel-heading h3 { color: var(--tone); }
.workspace-columns .panel-heading .label { margin-left: auto; color: #bdcedc; }
.layer-art { width: 32px; height: 32px; color: var(--tone); flex: none; }
.workspace-columns .ability-item h4 { color: var(--tone); }
.workspace-columns .panel-example { border-left: 2px solid var(--tone); background: #15263355; color: #d2e1e9; }
.workspace-columns .system-label { border-color: var(--tone-wash); background: linear-gradient(110deg,var(--tone-wash),#20364aeb); }
.workspace-columns .system-label>span { color: var(--tone); background: #13263666; }
.workspace-columns .system-label strong,.workspace-columns .system-label b { color: var(--tone); }
.workspace-columns .system-label small { color: #b2c6d8; }
.workspace-columns .system-label:hover { border-color: var(--tone); }

/* Evidence is shown as drafts and reasons, never as invented scores. */
.workspace-columns .evidence-track>div:nth-child(1) { --tone: #a3c9ff; --tone-wash: #293f61; }
.workspace-columns .evidence-track>div:nth-child(2) { --tone: #d0b9ff; --tone-wash: #443657; }
.workspace-columns .evidence-track>div:nth-child(3) { --tone: #f3c494; --tone-wash: #554238; }
.workspace-columns .evidence-track>div { background: linear-gradient(160deg,var(--tone-wash),#203343); border-color: var(--tone-wash); }
.evidence-art { display: block; width: 155px; max-width: 100%; height: 106px; margin: 0 auto 15px; stroke: var(--tone); stroke-width: 1.25; stroke-linecap: round; stroke-linejoin: round; }
.evidence-art rect,.evidence-art circle { fill: var(--tone-wash); }
.evidence-mark { stroke-width: 2; }
.workspace-columns .evidence-track h3,.workspace-columns .evidence-track>div>span { color: var(--tone); }
.workspace-columns .evidence-track p { color: #c5d3df; }
.workspace-columns .evidence-section { background: linear-gradient(150deg,#2c314a,#1c2e3f 55%); }
.workspace-columns .age-section { background: linear-gradient(140deg,#203c3b,#1c2e3f 65%); }
.workspace-columns #projects { background: linear-gradient(140deg,#393b3e,#1c2e3f 65%); }
.workspace-columns #projects .section-head .eyebrow { color: #f3c494; }
.workspace-columns #evidence .section-head .eyebrow { color: #d0b9ff; }
.reading-aside[data-chapter="curriculum"] { --reader-tone: #93e4cc; --reader-wash: #24473f; }
.reading-aside[data-chapter="delivery"] { --reader-tone: #a3c9ff; --reader-wash: #293f61; }
.reading-aside[data-chapter="operations"] { --reader-tone: #d0b9ff; --reader-wash: #443657; }
.reading-aside[data-chapter="protection"] { --reader-tone: #f3c494; --reader-wash: #554238; }
.reading-aside[data-chapter]:not([data-chapter=""]) .chapter-guide { background: linear-gradient(145deg,var(--reader-wash),#233747); border-top: 2px solid var(--reader-tone); }
.reading-aside[data-chapter]:not([data-chapter=""]) .reader-eyebrow { color: var(--reader-tone); }
.reading-aside[data-chapter]:not([data-chapter=""]) .context-topics>a[aria-current="location"] { color: var(--reader-tone); background: var(--reader-wash); box-shadow: inset 2px 0 var(--reader-tone); }

/* The shape and wording carry meaning even when colour cannot be perceived. */
@container (max-width:680px) {
  .chapter-visual { grid-template-columns: 1fr; padding: 18px 20px 0; gap: 10px; }
  .concept-canvas { max-width: 360px; width: 100%; margin: 0 auto; }
  .concept-svg { max-height: 260px; }
  .chapter-visual figcaption { padding: 4px 0 2px; }
  .visual-title { font-size: 23px; }
  .visual-title br { display: none; }
  .visual-legend { grid-template-columns: 1fr 1fr; gap: 12px; }
  .visual-legend small { display: block; margin-top: 3px; }
  .visual-description { max-width: 500px; }
  .workspace-columns .blueprint-link { min-height: 230px; }
  .overview-art { height: 85px; }
}
@container (max-width:490px) {
  .chapter-visual { margin-top: 21px; padding: 15px 15px 0; border-radius: 13px; }
  .concept-canvas { width: calc(100% + 16px); max-width: none; margin-inline: -8px; }
  .concept-svg .art-label { font-size: 20px; }
  .concept-svg .art-small { font-size: 16px; }
  .visual-title { font-size: 21px; }
  .visual-description { font-size: 12px; }
  .visual-kicker { font-size: 8px; letter-spacing: .08em; }
  .visual-legend { grid-template-columns: 1fr; gap: 9px; }
  .visual-legend small { display: inline; margin-top: 0; }
  .visual-note { font-size: 10px; }
  .workspace-columns .blueprint-topic-head { padding-right: 40px; }
  .topic-glyph { width: 22px; height: 22px; right: 8px; }
  .workspace-columns .blueprint-link { min-height: 130px; }
  .overview-art { width: 76px; height: 64px; flex: none; }
  .workspace-columns .blueprint-link.is-protection { min-height: 120px; }
  .workspace-columns .panel-heading .label { width: 100%; margin-left: 0; }
  .workspace-columns .evidence-track>div { position: relative; padding-right: 100px; min-height: 143px; }
  .evidence-art { position: absolute; right: 9px; top: 20px; width: 85px; height: 85px; margin: 0; }
}
@media print {
  .chapter-visual { background: #fff; border-color: #aaa; break-inside: avoid; box-shadow: none; }
  .visual-title,.visual-description,.visual-note,.visual-legend strong,.visual-legend small,.visual-kicker { color: #222; }
  .concept-svg { max-height: 220px; }
  .art-label,.art-node .art-label,.art-small { fill: #222; }
  .art-node rect,.art-core,.art-shield,.evidence-art rect,.evidence-art circle { fill: #f2f4f6; stroke: #666; }
  .art-person,.art-rail,.art-loop,.art-arrow,.art-spark,.art-orbit { stroke: #666; }
  .workspace-columns .blueprint-topic-head h4,.workspace-columns .bp-card h5,.workspace-columns .bp-note h5,.workspace-columns .bp-card p,.workspace-columns .bp-note p { color: #222; }
  .topic-glyph { color: #555; }
  .workspace-columns .bp-card,.workspace-columns .bp-note,.workspace-columns .bp-coach-stages>li,.workspace-columns .bp-cards>li,.workspace-columns .bp-metrics>li { background: white!important; border-color: #aaa; }
}

/* A second, independently tuned colour system. Dark remains available. */
.theme-toggle { display:flex;align-items:center;gap:7px;min-height:38px;padding:7px 11px;border:1px solid #3a5264;border-radius:10px;background:#203544;color:#c7dce7;font-size:11px;white-space:nowrap; }
.theme-toggle svg { width:17px;height:17px;flex:none; }
.theme-toggle:hover { border-color:#516876;background:#294956; }
[data-theme="dark"] .theme-sun,[data-theme="light"] .theme-moon { display:none; }
.workspace-columns .age-picker button { flex-direction:column;align-items:flex-start;justify-content:flex-start;gap:5px;overflow:hidden; }
.age-art { display:block;width:140px;height:65px;max-width:100%;margin:0 0 10px; }
.age-art-soft { opacity:.5; }
[data-age="10"] { --age-colour:#93e4cc;--age-fill:#24473f; }
[data-age="13"] { --age-colour:#a3c9ff;--age-fill:#293f61; }
[data-age="16"] { --age-colour:#d0b9ff;--age-fill:#443657; }
.workspace-columns .age-picker button { color:var(--age-colour); }
.workspace-columns .age-picker button[aria-pressed="true"] { border-color:var(--age-colour);background:linear-gradient(140deg,var(--age-fill),#203343); }
.workspace-columns .age-picker button[aria-pressed="true"]::after { background:var(--age-colour);left:14px; }
.week-symbol { display:block;width:24px;height:24px;margin:0 0 10px; }
.workspace-columns .week-picker button { padding-top:15px; }

html[data-theme="light"] {
  color-scheme:light;--paper:#f3f6f7;--surface:#fff;--ink:#213344;--muted:#536879;--line:#d9e2e7;--green:#236e62;--blue:#70529c;--soft:#edf3f4;
  --growth-mint:#236f59;--growth-blue:#355f9c;--growth-violet:#71529a;--growth-amber:#965e28;
  color:var(--ink);background:var(--paper);
}
html[data-theme="light"] body { background:#f3f6f7;color:#213344; }
html[data-theme="light"] :is(a,button,summary,select):focus-visible { outline-color:#346e8a; }
html[data-theme="light"] ::selection { background:#cce7de;color:#173e34; }
html[data-theme="light"] .workspace-sidebar { background:linear-gradient(160deg,#fff,#f5f9f8);border-color:#dbe4e5;box-shadow:4px 0 24px #36596405;color:#243f48; }
html[data-theme="light"] .workspace-sidebar .brand small { color:#516876; }
html[data-theme="light"] .sidebar-label { color:#516876; }
html[data-theme="light"] :is(.sidebar-scroll,.reading-aside-inner) { scrollbar-color:#516876 transparent; }
html[data-theme="light"] :is(.side-nav a,.side-chapters a,.sidebar-foot>a) { color:#4a6370; }
html[data-theme="light"] .side-nav a svg { color:#516876; }
html[data-theme="light"] :is(.side-nav a,.side-chapters a):hover { background:#eaf1f1;color:#203f45; }
html[data-theme="light"] .side-nav a[aria-current="location"] { background:#e0f0e9;color:#225e50;box-shadow:inset 3px 0 #438776; }
html[data-theme="light"] .side-nav a[aria-current="location"] svg { color:#2e7665; }
html[data-theme="light"] .side-chapters a[aria-current="location"] { color:var(--chapter-accent);background:var(--chapter-soft); }
html[data-theme="light"] .side-chapters a[aria-current="location"] .side-chapter-no { color:var(--chapter-accent); }
html[data-theme="light"] .side-chapter-no { color:#516876; }
html[data-theme="light"] .side-chapters small { background:#e9eff1;color:#526e7a; }
html[data-theme="light"] .sidebar-foot { border-color:#e0e9eb; }
html[data-theme="light"] .workspace-topbar.site-head { background:#f8fafbed;border-color:#dce5e8; }
html[data-theme="light"] .workspace-breadcrumb { color:#3f5b6b; }
html[data-theme="light"] .workspace-breadcrumb>a { color:#516876; }
html[data-theme="light"] .workspace-breadcrumb #reading-chapter:not(:empty) { color:#246b62; }
html[data-theme="light"] :is(.theme-toggle,.fullscreen-toggle,.workspace-actions .directory-toggle) { background:#fff;border-color:#cddadd;color:#425f6c;box-shadow:0 2px 5px #2a475306; }
html[data-theme="light"] :is(.theme-toggle,.fullscreen-toggle,.workspace-actions .directory-toggle):hover { background:#edf5f4;border-color:#516876; }
html[data-theme="light"] .fullscreen-toggle[aria-pressed="true"] { background:#e1f0ec;color:#246f5e;border-color:#516876; }
html[data-theme="light"] .reading-next { color:#405e6a; }
html[data-theme="light"] .workspace-columns main>:is(.section,.age-section,.evidence-section) { background:#fff;border-color:#d8e3e6;box-shadow:0 6px 24px #29445b04; }
html[data-theme="light"] .workspace-columns main>.handbook-section { background:none;border:0;box-shadow:none; }
html[data-theme="light"] .workspace-columns :is(h2,h3) { color:#233b4d; }
html[data-theme="light"] .workspace-columns .section-head>p { color:#586e7f; }
html[data-theme="light"] .workspace-columns .eyebrow { color:#37776d; }
html[data-theme="light"] .workspace-columns .muted { color:#516876; }
html[data-theme="light"] .workspace-columns main>[data-section-index]::after { color:#244d7210; }
html[data-theme="light"] .button.primary { background:#286f63;border-color:#286f63;color:#fff;box-shadow:0 6px 18px #2c806619; }
html[data-theme="light"] .button.primary:hover { background:#205c52; }
html[data-theme="light"] :is(.text-link,.text-button,.feedback) { color:#2d6d66; }
html[data-theme="light"] .workspace-columns .hero { background:radial-gradient(ellipse at 95% 0,#e9e6f6,transparent 62%),linear-gradient(130deg,#edf7f2,#fff 70%);border-color:#d3e2e0; }
html[data-theme="light"] .workspace-columns .hero h1 { color:#263d4d; }
html[data-theme="light"] .hero h1 em { background:none;color:#287260;-webkit-text-fill-color:currentColor; }
html[data-theme="light"] .workspace-columns :is(.intro,.hero-note,.hero-facts p,.shape-topline,.shape-bottomline) { color:#566f7d; }
html[data-theme="light"] .workspace-columns .hero-facts { border-color:#d8e4e4; }
html[data-theme="light"] .hero-facts strong { color:#305f5c; }
html[data-theme="light"] .system-guide { stroke:#57857f; }
html[data-theme="light"] .workspace-columns .system-art { opacity:.35; }
html[data-theme="light"] [data-layer="foundation"],html[data-theme="light"] [data-layer-link="foundation"],html[data-theme="light"] [data-tone="foundation"],html[data-theme="light"] .tone-mint { --tone:#236f59;--tone-wash:#e4f2eb; }
html[data-theme="light"] [data-layer="tools"],html[data-theme="light"] [data-layer-link="tools"],html[data-theme="light"] [data-tone="tools"],html[data-theme="light"] .tone-blue { --tone:#355f9c;--tone-wash:#e8effa; }
html[data-theme="light"] [data-layer="thinking"],html[data-theme="light"] [data-layer-link="thinking"],html[data-theme="light"] [data-tone="thinking"],html[data-theme="light"] .tone-violet { --tone:#71529a;--tone-wash:#f0eaf8; }
html[data-theme="light"] [data-layer="practice"],html[data-theme="light"] [data-layer-link="practice"],html[data-theme="light"] [data-tone="practice"],html[data-theme="light"] .tone-amber { --tone:#965e28;--tone-wash:#faf0e2; }
html[data-theme="light"] .workspace-columns .system-label { background:linear-gradient(110deg,var(--tone-wash),#fff);box-shadow:0 3px 12px #2d4b5c06; }
html[data-theme="light"] .workspace-columns .system-label>span { background:#ffffffb3; }
html[data-theme="light"] .workspace-columns .system-label small { color:#5c7081; }
html[data-theme="light"] #framework .layer-picker button { background:#f7fafb;border-color:#dce5e9; }
html[data-theme="light"] #framework .layer-picker button[aria-pressed="true"] { background:var(--tone-wash);border-color:var(--tone); }
html[data-theme="light"] #framework .layer-picker :is(strong,small) { color:#425d6c; }
html[data-theme="light"] #framework .layer-picker button[aria-pressed="true"] strong { color:var(--tone); }
html[data-theme="light"] #framework .layer-panel { background:linear-gradient(130deg,var(--tone-wash),#fff 80%);border-color:#516876; }
html[data-theme="light"] #framework :is(.panel-description,.ability-item p,.label,.throughline>p) { color:#506a7b; }
html[data-theme="light"] #framework :is(.ability-item,.throughline) { border-color:#d9e5e8; }
html[data-theme="light"] #framework .panel-example { background:#fff9;color:#3c5d68; }
html[data-theme="light"] #framework .throughline :is(span,li) { color:#456b68; }
html[data-theme="light"] #paths { background:linear-gradient(150deg,#f0f8f4,#fff 70%); }
html[data-theme="light"] [data-age="10"] { --age-colour:#236f59;--age-fill:#e4f2eb; }
html[data-theme="light"] [data-age="13"] { --age-colour:#355f9c;--age-fill:#e8effa; }
html[data-theme="light"] [data-age="16"] { --age-colour:#71529a;--age-fill:#f0eaf8; }
html[data-theme="light"] #paths .age-picker button { background:#fff;border-color:#d1dfe3; }
html[data-theme="light"] #paths .age-picker button[aria-pressed="true"] { background:linear-gradient(135deg,var(--age-fill),#fff);border-color:var(--age-colour);box-shadow:0 5px 16px #31557809; }
html[data-theme="light"] #paths :is(.age-picker small,.age-intro,.age-facts dd) { color:#536c7b; }
html[data-theme="light"] #paths .age-facts dt { color:#3e716b; }
html[data-theme="light"] #paths .age-facts>div { border-color:#d9e6e4; }
html[data-theme="light"] #projects { background:linear-gradient(140deg,#fffaf2,#fff 70%); }
html[data-theme="light"] #projects .section-head .eyebrow { color:#92602f; }
html[data-theme="light"] #projects :is(.project-picker button,.level-picker button,.compact-picker button,.week-picker button) { background:#fff;border-color:#d7e1e5;color:#526b7b; }
html[data-theme="light"] #projects :is(.project-picker button,.level-picker button,.compact-picker button,.week-picker button):hover { border-color:#516876;background:#f3f8f6; }
html[data-theme="light"] #projects :is(.project-picker button,.level-picker button,.compact-picker button,.week-picker button)[aria-pressed="true"] { background:#e5f1ec;border-color:#516876;color:#226450; }
html[data-theme="light"] #projects .project-stage { background:linear-gradient(125deg,#eef6f4,#fff 75%);border-color:#c4d9d6; }
html[data-theme="light"] #projects :is(.project-desc,.project-skill p,.level-result,.week-panel p,.start-strip p) { color:#4d6879; }
html[data-theme="light"] #projects :is(.project-meta,.project-meta a,.week-number,.week-picker small) { color:#516876; }
html[data-theme="light"] #projects :is(.project-outcome,.project-skills>div,.project-details,.week-panel,.start-strip) { border-color:#d7e5e5; }
html[data-theme="light"] #projects .project-outcome { background:#fff8; }
html[data-theme="light"] #projects :is(.project-outcome>span,.project-outcome p,.project-skill h4,.project-skill>b,.week-panel h4) { color:#2b6e61; }
html[data-theme="light"] #projects .project-skill>b { border-color:#bcd9cf;background:#e2f0e9; }
html[data-theme="light"] #projects .week-picker button:nth-child(n+5) .week-symbol { color:#91612b; }
html[data-theme="light"] #projects .week-picker button[aria-pressed="true"] { box-shadow:inset 0 3px #4c8a77; }
html[data-theme="light"] #projects :is(.level-result strong,#plan-fallback summary) { color:#385e68; }
html[data-theme="light"] #plan-fallback { background:#f6faf9;border-color:#d2e1df; }
html[data-theme="light"] #plan-text { background:#edf5f2;color:#355969;border-color:#d3e3dc; }
html[data-theme="light"] #evidence { background:linear-gradient(140deg,#f5f2fa,#fff 70%); }
html[data-theme="light"] #evidence .section-head .eyebrow { color:#71529a; }
html[data-theme="light"] #evidence .evidence-track>div:nth-child(1) { --tone:#355f9c;--tone-wash:#e6eefb; }
html[data-theme="light"] #evidence .evidence-track>div:nth-child(2) { --tone:#71529a;--tone-wash:#eee8f7; }
html[data-theme="light"] #evidence .evidence-track>div:nth-child(3) { --tone:#965e28;--tone-wash:#faeedc; }
html[data-theme="light"] #evidence .evidence-track>div { background:linear-gradient(150deg,var(--tone-wash),#fff);border-color:#dbe1e8; }
html[data-theme="light"] #evidence :is(.evidence-track p,.rubric-row p,.record-panel p,.record-panel li,.evidence-note) { color:#4e6679; }
html[data-theme="light"] #evidence .evidence-track>div::after { color:#52709e0b; }
html[data-theme="light"] #evidence :is(.rubric-layout,.rubric-row) { border-color:#e0e5ec; }
html[data-theme="light"] #evidence :is(select,.compact-picker button) { background:#fff;color:#4f6177;border-color:#cdd8e3; }
html[data-theme="light"] #evidence .compact-picker button[aria-pressed="true"] { background:#eee8f7;color:#6b4d92;border-color:#516876; }
html[data-theme="light"] #evidence .rubric-row>span { color:#705297;background:#f3edf9;border-color:#516876; }
html[data-theme="light"] #evidence .record-panel { background:linear-gradient(130deg,#eee9f7,#fff);border-color:#d6cce4; }
html[data-theme="light"] #evidence .record-panel h4 { color:#66518a; }

/* Diagram tones and chapter backgrounds share the same semantic palette. */
html[data-theme="light"] .is-curriculum,html[data-theme="light"] #guide-foundation { --chapter-accent:#236f59;--chapter-soft:#e6f3ed;--chapter-line:#c7dfd5;--chapter-wash:#edf7f2; }
html[data-theme="light"] .is-delivery,html[data-theme="light"] #guide-tools { --chapter-accent:#355f9c;--chapter-soft:#e8f0fc;--chapter-line:#cad9ed;--chapter-wash:#eff4fc; }
html[data-theme="light"] .is-operations,html[data-theme="light"] #guide-thinking { --chapter-accent:#71529a;--chapter-soft:#f0eaf8;--chapter-line:#dcd0e9;--chapter-wash:#f5f0fa; }
html[data-theme="light"] .is-protection,html[data-theme="light"] #guide-practice { --chapter-accent:#965e28;--chapter-soft:#fbf0df;--chapter-line:#e7d6bd;--chapter-wash:#fff6e9; }
html[data-theme="light"] #handbook .blueprint-chapter { background:linear-gradient(145deg,var(--chapter-soft),#fff 580px);border-color:var(--chapter-line);box-shadow:0 6px 24px #29445b04; }
html[data-theme="light"] #handbook .blueprint-chapter-head h3 { color:#273e4d; }
html[data-theme="light"] #handbook .blueprint-chapter-no { background:linear-gradient(150deg,#fff,var(--chapter-soft));box-shadow:0 3px 12px #29445b05; }
html[data-theme="light"] #handbook :is(.blueprint-intro,.blueprint-topic-head p) { color:#5b6f7f; }
html[data-theme="light"] #handbook .chapter-visual { background:linear-gradient(125deg,var(--chapter-soft),#fff 80%);box-shadow:inset 0 1px #fff; }
html[data-theme="light"] #handbook .concept-canvas { background:radial-gradient(ellipse,#fff9,transparent 72%); }
html[data-theme="light"] #handbook .art-label { fill:#344d60; }
html[data-theme="light"] #handbook .art-node .art-label { fill:var(--tone); }
html[data-theme="light"] #handbook .art-small { fill:#4f6a7e; }
html[data-theme="light"] #handbook .art-core { fill:#fff; }
html[data-theme="light"] #handbook .art-loop { stroke:#5f84b0; }
html[data-theme="light"] #handbook .art-arrow { stroke:#3f699f; }
html[data-theme="light"] #handbook .art-shield { fill:#f5e5cc;fill-opacity:.8;stroke:#ad7b43; }
html[data-theme="light"] #handbook .art-person { stroke:#946334; }
html[data-theme="light"] #handbook .visual-title { color:#2b4355; }
html[data-theme="light"] #handbook :is(.visual-description,.visual-legend small,.visual-note) { color:#546d7d; }
html[data-theme="light"] #handbook .visual-note { border-color:#b9c9d344; }
html[data-theme="light"] #handbook .blueprint-route a { background:#ffffffa6;color:#4b6575; }
html[data-theme="light"] #handbook .blueprint-route a:hover { background:var(--chapter-soft); }
html[data-theme="light"] #handbook .blueprint-topic+.blueprint-topic { border-color:#dbe5e9; }
html[data-theme="light"] #handbook .blueprint-topic-body { color:#415d6e; }
html[data-theme="light"] #handbook .blueprint-topic-body>p:last-child:not(:first-child) { color:#516876; }
html[data-theme="light"] #handbook :is(.bp-card,.bp-note,.bp-discussion>li,.bp-coach-stages>li,.bp-weeks>li,.bp-cards>li,.bp-metrics>li,.bp-flow>li) { background:linear-gradient(145deg,var(--chapter-wash),#fff 85%);border-color:var(--chapter-line);box-shadow:0 2px 6px #35506403; }
html[data-theme="light"] #handbook :is(.bp-card p,.bp-card dd,.bp-note p,.bp-discussion p,.bp-coach-stages p,.bp-weeks p,.bp-cards p,.bp-metrics p,.bp-delivery p,.bp-flow strong) { color:#4e687b; }
html[data-theme="light"] #handbook :is(.bp-card h5,.bp-note h5,.bp-discussion h5,.bp-coach-stages h5,.bp-weeks h5,.bp-cards h5,.bp-metrics h5,.bp-delivery h5) { color:var(--chapter-accent); }
html[data-theme="light"] #handbook .bp-card dl>div+div { border-color:var(--chapter-line); }
html[data-theme="light"] #handbook .bp-card dt { color:var(--chapter-accent); }
html[data-theme="light"] #handbook .bp-curriculum-matrix { border-color:#c7d9eb; }
html[data-theme="light"] #handbook .bp-curriculum-matrix :is(th,td) { background:#fff;color:#4d6578;border-color:#dce6f0; }
html[data-theme="light"] #handbook .bp-curriculum-matrix th { background:#eaf1fa;color:#345d91; }
html[data-theme="light"] #handbook .bp-curriculum-matrix td:first-child { color:#345d91;font-weight:550; }
html[data-theme="light"] #handbook .bp-curriculum-matrix tr:nth-child(even) td { background:#f4f7fc; }
html[data-theme="light"] #handbook .bp-discussion>li { background:linear-gradient(135deg,#f1ebf8,#fff);border-color:#d9cde8; }
html[data-theme="light"] #handbook .bp-delivery>li { border-color:#d8e4ef; }
html[data-theme="light"] #handbook .bp-delivery .bp-step-index { background:#e7effb;color:#355f9c;border-color:#bbcee6; }
html[data-theme="light"] #handbook .bp-weeks>li { border-top:2px solid #7b9cc7; }
html[data-theme="light"] #handbook .bp-weeks>li:nth-child(n+5) { border-top-color:#516876;background:linear-gradient(145deg,#fbf4e8,#fff); }
html[data-theme="light"] #handbook :is(.bp-realities>div,.bp-levels) { background:#eef5f4;border-color:#c7ddda; }
html[data-theme="light"] #handbook :is(.bp-realities b,.bp-realities span,.bp-levels>span) { color:#316c66; }
html[data-theme="light"] #handbook :is(.bp-levels small,.bp-workspace small) { color:#516876; }
html[data-theme="light"] #handbook .bp-workspace { background:linear-gradient(140deg,#ede9f7,#f9f8fc);border-color:#d3c9e4; }
html[data-theme="light"] #handbook .bp-workspace>span { color:#66528c; }
html[data-theme="light"] #handbook .bp-workspace b { background:#fff;color:#5c5682;border-color:#d5cde3; }
html[data-theme="light"] #handbook .topic-connections>p { color:#516876; }
html[data-theme="light"] #handbook .topic-connections a { background:#fff9;border-color:#d4e1e6; }
html[data-theme="light"] #handbook .topic-connections a:hover { background:var(--chapter-soft);border-color:var(--chapter-accent); }
html[data-theme="light"] #handbook .topic-connections small { color:#516876; }
html[data-theme="light"] #handbook .topic-connections strong { color:#38596b; }
html[data-theme="light"] #handbook .intent-route { background:linear-gradient(135deg,#e9f3ee,#fdfefd);border-color:#c4dcd2; }
html[data-theme="light"] #handbook .intent-route h3 { color:#264c43; }
html[data-theme="light"] #handbook :is(.intent-route>p,.blueprint-relation-label p) { color:#576e7b; }
html[data-theme="light"] #handbook .intent-route .eyebrow { color:#35705e; }
html[data-theme="light"] #handbook .intent-picker { background:#f8fcfa;border-color:#d0dfd9; }
html[data-theme="light"] #handbook .intent-picker button { color:#516876; }
html[data-theme="light"] #handbook .intent-picker button[aria-pressed="true"] { background:#dceee5;border-color:#516876;color:#285f4e;box-shadow:none; }
html[data-theme="light"] #handbook .intent-path>a { background:#fff;border-color:#cadfd8; }
html[data-theme="light"] #handbook .intent-path strong { color:#325b51; }
html[data-theme="light"] #handbook .intent-path small { color:#516876; }
html[data-theme="light"] #handbook .intent-path>a>span { color:#35755f; }
html[data-theme="light"] #handbook .intent-path>a::after { background:#edf6f0;color:#516876; }
html[data-theme="light"] #handbook .intent-path>a:hover { border-color:#516876;background:#f5fbf7; }
html[data-theme="light"] #handbook .blueprint-relation-label>span { color:#3d6070; }
html[data-theme="light"] #handbook .blueprint-link { background:linear-gradient(145deg,var(--chapter-soft),#fff);border-color:var(--chapter-line);box-shadow:0 5px 15px #35506404; }
html[data-theme="light"] #handbook .blueprint-link strong { color:var(--chapter-accent); }
html[data-theme="light"] #handbook .blueprint-link p { color:#516876; }
html[data-theme="light"] #handbook .blueprint-link.is-protection { background:linear-gradient(110deg,#fbf0df,#fffaf4);border-color:#516876; }
html[data-theme="light"] #handbook .handbook-actions>span { color:#516876; }

/* Context, directory, fullscreen and footer are part of the theme too. */
html[data-theme="light"] .reader-card { background:#fff;border-color:#d6e1e6;box-shadow:0 6px 16px #37566a04; }
html[data-theme="light"] .reader-card h2 { color:#324f60; }
html[data-theme="light"] .reader-card>p:not(.reader-eyebrow) { color:#516876; }
html[data-theme="light"] .reader-eyebrow { color:#516876; }
html[data-theme="light"] .reader-scope>span { background:#edf3f5;color:#516876; }
html[data-theme="light"] .context-topics>a { color:#526b7c; }
html[data-theme="light"] .context-topics>a>span { color:#516876; }
html[data-theme="light"] .context-topics>a:hover { color:#2a645d;background:#edf5f3; }
html[data-theme="light"] .context-topics>a[aria-current="location"] { background:#e6f1ed;color:#2c6959;border-color:#b9d5cc; }
html[data-theme="light"] .reading-aside[data-chapter="curriculum"] { --reader-tone:#236f59;--reader-wash:#e4f2eb; }
html[data-theme="light"] .reading-aside[data-chapter="delivery"] { --reader-tone:#355f9c;--reader-wash:#e8effa; }
html[data-theme="light"] .reading-aside[data-chapter="operations"] { --reader-tone:#71529a;--reader-wash:#f0eaf8; }
html[data-theme="light"] .reading-aside[data-chapter="protection"] { --reader-tone:#965e28;--reader-wash:#faf0e2; }
html[data-theme="light"] .reading-aside[data-chapter]:not([data-chapter=""]) .chapter-guide { background:linear-gradient(150deg,var(--reader-wash),#fff); }
html[data-theme="light"] .reading-aside[data-chapter]:not([data-chapter=""]) .context-topics>a[aria-current="location"] { border-color:transparent; }
html[data-theme="light"] .reading-focus { background:#f3f0f8;border-color:#ddd6e8; }
html[data-theme="light"] .reading-focus h2 { color:#74618e; }
html[data-theme="light"] .reading-focus>p { color:#625f79!important; }
html[data-theme="light"] .context-next { background:#eaf3f0;border-color:#cbded9; }
html[data-theme="light"] .context-next>span { color:#516876; }
html[data-theme="light"] .context-next strong { color:#386c60; }
html[data-theme="light"] .workspace-columns .closing { background:linear-gradient(125deg,#eaf4ef,#f7f9fc);border-color:#d0dfdc; }
html[data-theme="light"] .site-foot,html[data-theme="light"] .site-foot p { color:#516876; }
html[data-theme="light"] .site-foot strong { color:#385f68; }
html[data-theme="light"] .reading-directory { background:#f8fafb;color:#294454;border-color:#cbdbe0;box-shadow:0 25px 100px #25465b30; }
html[data-theme="light"] .reading-directory::backdrop { background:#203c5266; }
html[data-theme="light"] .directory-heading { background:linear-gradient(110deg,#e7f1ed,#f5f7fa);border-color:#d4e2e2; }
html[data-theme="light"] .directory-heading p { color:#39715f; }
html[data-theme="light"] .directory-close { background:#fff;border-color:#ccdce0;color:#456573; }
html[data-theme="light"] .directory-intro { color:#516876; }
html[data-theme="light"] .directory-overview a { background:#fff;border-color:#d8e4e7; }
html[data-theme="light"] .directory-overview :is(strong,span) { color:#395c6c; }
html[data-theme="light"] .directory-overview small { color:#516876; }
html[data-theme="light"] .directory-group { background:#fff;border-color:#d8e1e8; }
html[data-theme="light"] .directory-group a { color:#526a7c; }
html[data-theme="light"] .directory-group a:hover,html[data-theme="light"] .directory-group a[aria-current="location"] { background:var(--chapter-soft);color:var(--chapter-accent); }
html[data-theme="light"] .directory-group a>span { color:#516876; }
html[data-theme="light"] .directory-note { color:#516876;border-color:#dce5e9; }
html[data-theme="light"] .fullscreen-invite { background:#f8fcfbf7;border-color:#516876;box-shadow:0 12px 48px #29485820; }
html[data-theme="light"] .fullscreen-invite strong { color:#2b554b; }
html[data-theme="light"] .fullscreen-invite p { color:#516876; }
html[data-theme="light"] #fullscreen-start { background:#2d7464;color:#fff; }
html[data-theme="light"] #fullscreen-dismiss { color:#516876; }
html[data-theme="light"] #fullscreen-dismiss:hover { background:#e9f2ed;color:#355b4c; }
@media(max-width:850px) {
  .theme-toggle { min-height:34px;width:34px;padding:7px; }
  .theme-toggle>span { display:none; }
}
@container(max-width:490px) {
  .age-art { height:42px;margin-bottom:7px; }
  .workspace-columns .age-picker button { gap:3px; }
  .week-symbol { width:21px;height:21px;margin-bottom:8px; }
}
@media print { .theme-toggle { display:none!important; } }

/* Small secondary labels keep the same reading contrast as body copy. */
html[data-theme="light"] .skip { background:#fff;color:#285b50;border:1px solid #b6d0c7; }
html[data-theme="light"] .button.secondary { color:#3e6571;background:#fff8;border-color:#b9cfd3; }
html[data-theme="light"] .button.secondary:hover { background:#fff;color:#295f54; }
html[data-theme="light"] .hero-facts strong>span { color:#516876; }
html[data-theme="light"] .mobile-brand>span { color:#516876; }
html[data-theme="light"] #handbook .bp-caption { color:#516876!important; }
html[data-theme="light"] .site-foot>a { color:#3e6b73; }
html[data-theme="light"] .context-topics>a[aria-current="location"]>span { color:#3e6b64; }
html[data-theme="light"] #reading-directory :is(p,small) { color:#516876; }
html[data-theme="light"] #reading-directory .directory-group { background:linear-gradient(180deg,var(--chapter-soft),#fff 150px);border-color:var(--chapter-line); }
html[data-theme="light"] #reading-directory .directory-group h3 { color:var(--chapter-accent); }
html[data-theme="light"] #reading-directory .directory-group li a>span { color:#516876; }
html[data-theme="light"] #reading-directory :is(.directory-section-title,.directory-foot) :is(span,a,p) { color:#516876; }
html[data-theme="light"] #reading-directory .directory-group h3 a { color:var(--chapter-accent); }
html[data-theme="light"] #projects .project-picker svg { color:inherit;opacity:1; }
html[data-theme="light"] #projects .start-strip { background:linear-gradient(110deg,#e7f2ec,#f6faf8);border-color:#c6dcd3; }
html[data-theme="light"] .workspace-columns .closing>div { background:transparent;border-color:#d0dfdc; }
html[data-theme="light"] #handbook .bp-curriculum-matrix { background:#fff; }
html[data-theme="light"] #handbook .bp-curriculum-matrix thead { background:#eaf1fa; }