:root{--navy:#031b89;--blue:#6196fe;--pink:#fb7a8e;--ink:#34425b;--muted:#66758c;--line:#e7ebf3;--bg:#f8f9fc;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}a{color:inherit;text-decoration:none}button,input,select{font:inherit}a,button,input,select{ -webkit-tap-highlight-color:transparent}button,a,input,select{outline-offset:5px}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--blue)}button{cursor:pointer}h1,h2,h3,h4{color:var(--navy);line-height:1.2;letter-spacing:-.035em}h1{font-size:clamp(40px,5.3vw,70px);margin:18px 0 24px;font-weight:800}h2{font-size:clamp(28px,3vw,40px);margin:0 0 15px}h3{font-size:21px;margin:0 0 12px}p{margin:0 0 18px}.wrap{max-width:1192px;margin:auto;padding:0 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solid var(--line);box-shadow:0 12px 20px #1029770a}.links.open{display:flex}.links>a{padding:13px 0}.logo{width:185px}.hero{padding:43px 0}.hero-grid{grid-template-columns:1fr;gap:40px}.hero h1{font-size:48px}.hero .lead{font-size:16px}.illustration{max-width:480px;width:100%;margin:0 auto 14px}.float-note{right:0}.section{padding:45px 0}.three{grid-template-columns:1fr}.path-card{padding:26px}.path-card .path-art{height:55px;margin-bottom:17px}.path-art svg{height:55px}.section-top{align-items:start;flex-direction:column;gap:13px}.listing-layout{grid-template-columns:1fr}.sidebar{position:static}.side-box{margin-top:10px}.page-hero{padding:36px 0}.page-hero h1{font-size:40px}.serif{font-size:18px}.page-tabs{gap:6px}.page-tabs a{font-size:11px;padding:7px 12px}.reading-layout{display:flex;flex-direction:column;gap:30px}.toc{position:static;max-height:220px;width:100%;padding:18px;background:#f8f9fc;border-radius:10px}.prose{font-size:15px}.reader-top 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@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}@media print{.header,.footer,.toc,.banner,.disclosure,.article-end,.nextprev{display:none}.reading-layout{display:block}.section,.page-hero{padding:10px 0}.prose{font-size:12px}}

/* Local learning progress and voluntary community support. */
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@media(max-width:760px){.progress-panel,.support-box{padding:22px}.progress-heading{align-items:flex-start;flex-direction:column;gap:0}.progress-total{margin:4px 0 18px}.progress-heading h2{font-size:25px}.progress-table th,.progress-table td{padding:14px 5px;font-size:12px}.progress-value{gap:6px}.progress-value progress{width:60px}.wallet-grid{grid-template-columns:1fr;gap:16px}.wallet-card{padding:20px}.support-intro h2{font-size:32px}.completion-panel{padding:22px}.learning-progress{padding-bottom:40px}}

/* Cohesive illustrated lesson library. */
.lesson-visual{margin:0;min-width:0}.lesson-image-wrap{position:relative;background:#f5f7fc;overflow:hidden;border-radius:14px;isolation:isolate}.lesson-artwork{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:contain}.deriv-image-badge{position:absolute;top:14px;right:14px;width:102px;padding:7px 9px;background:#fffffff2;border-radius:8px;box-shadow:0 2px 12px #18294b08}.deriv-image-badge img{display:block;width:100%;height:auto}.lesson-feature{margin:0 0 30px}.lesson-feature figcaption{font-size:11px;color:var(--muted);margin:9px 0;line-height:1.5}.lesson-thumbnail{margin-bottom:24px}.lesson-thumbnail .lesson-image-wrap{max-height:280px}.lesson-thumbnail .lesson-artwork{max-height:280px;object-fit:contain;background:#fafafa}.lesson-card .lesson-thumbnail{transition:filter .2s}.lesson-card:hover .lesson-thumbnail{filter:saturate(1.08)}
@media(max-width:760px){.deriv-image-badge{width:82px;top:10px;right:10px;padding:5px 7px}.lesson-thumbnail{margin-bottom:18px}.lesson-thumbnail .lesson-image-wrap,.lesson-thumbnail .lesson-artwork{max-height:none}.lesson-feature{margin-bottom:24px}}

.key-takeaways{background:#f0f5ff;border-left:4px solid #6196fe;border-radius:0 18px 18px 0;padding:24px 28px;margin:24px 0 38px}.prose .key-takeaways h2{margin:0 0 14px}.prose li{margin:10px 0;line-height:1.8}.prose ul{padding-left:24px}.editorial-byline{font-size:13px;color:#62708c}.insight-grid .lesson-thumbnail{margin-bottom:20px}.sources li{font-size:14px}