:root{--forest:#173f35;--deep:#102f28;--gold:#d4b773;--cream:#f7f6ef;--paper:#fff;--ink:#233b34;--muted:#53675e;--line:#d9e1d8;--mint:#eaf1e8}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:20px}body.course-page,body.lesson-page{margin:0;background:var(--cream);color:var(--ink);font:17px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--forest)}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid #a67c24;outline-offset:4px}.course-wrap{max-width:1120px;margin:auto;padding:0 28px}.course-header{max-width:1180px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:27px 28px}.course-header nav{display:flex;gap:24px;font-size:14px}.course-header nav a{text-decoration:none;font-weight:650}.course-brand{font-size:19px;letter-spacing:.14em;font-weight:800;text-decoration:none;line-height:1.3}.course-brand span{display:block;color:var(--muted);font-size:10px;letter-spacing:.3em;margin-top:4px}.course-hero{background:var(--forest);color:white;border-radius:24px;padding:54px;display:grid;grid-template-columns:1.5fr 1fr;gap:38px;align-items:center}.course-hero h1{font:normal clamp(36px,4.7vw,59px)/1.08 Georgia,serif;letter-spacing:-.03em;margin:22px 0}.course-hero p{color:#e1e9df;max-width:530px;margin-bottom:28px}.course-eyebrow{font-size:10px;font-weight:800;letter-spacing:.17em}.course-hero .course-eyebrow{color:#e4cd96}.hero-map{border:1px solid #567266;background:#204a3f;border-radius:16px;padding:26px}.hero-map span{display:flex;align-items:center;gap:15px;color:var(--gold);padding:18px 0;border-bottom:1px solid #496659;font-size:12px}.hero-map b{color:#fff;font-size:15px;font-weight:550}.hero-map small{display:block;padding-top:20px;color:#d1dfd2;font-size:12px}.course-button,button.course-button{display:inline-block;background:var(--forest);border:1px solid var(--forest);border-radius:9px;padding:12px 20px;color:white;text-decoration:none;font-weight:650;font-size:14px;line-height:1.5}.course-button:hover{background:var(--deep)}.course-button.light{background:var(--gold);border-color:var(--gold);color:var(--deep)}.course-button.secondary{background:transparent;color:var(--forest)}.course-button:disabled{opacity:.65;cursor:default}.course-facts{display:flex;justify-content:space-around;gap:20px;padding:29px 0;margin-bottom:14px;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}.course-facts b{font-size:18px;color:var(--forest);margin-right:6px}.course-panel{background:white;border:1px solid var(--line);border-radius:16px;padding:28px;margin:24px 0}.course-panel h2{font:normal 29px/1.2 Georgia,serif;margin:6px 0 14px}.course-panel p{max-width:850px}.course-small{font-size:13px;color:var(--muted)}.course-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.course-consent{display:flex;align-items:flex-start;gap:12px;max-width:800px;margin:20px 0;font-size:14px}.course-consent input{width:20px;height:20px;flex-shrink:0;margin-top:3px;accent-color:var(--forest)}.course-progress{width:100%;height:10px;border:0;border-radius:10px;overflow:hidden;accent-color:var(--forest);background:var(--mint)}.course-progress::-webkit-progress-bar{background:var(--mint)}.course-progress::-webkit-progress-value{background:var(--forest);border-radius:10px}.course-progress::-moz-progress-bar{background:var(--forest)}.course-metrics{display:flex;gap:22px;flex-wrap:wrap;margin:20px 0}.course-metrics span{font-size:13px;color:var(--muted)}.course-metrics b{display:block;font-size:24px;color:var(--forest)}.course-badges{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}.course-badge{border:1px solid #d4c393;background:#fbf6e9;color:#5b4a20;font-size:12px;padding:5px 11px;border-radius:100px}.course-section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin:50px 0 20px}.course-section-heading h2{font:normal 35px/1.2 Georgia,serif;margin:10px 0}.course-section-heading p{font-size:13px;color:var(--muted)}.course-module{border:1px solid var(--line);border-radius:14px;margin:13px 0;background:white;overflow:hidden}.course-module summary{cursor:pointer;display:flex;gap:20px;align-items:center;padding:22px;list-style:none}.course-module summary::-webkit-details-marker{display:none}.course-module summary:after{content:'+';font-size:25px;margin-left:auto;color:var(--muted)}.course-module[open] summary:after{content:'−'}.module-number{display:grid;place-items:center;min-width:48px;height:48px;background:var(--mint);color:var(--forest);border-radius:12px;font-weight:700;font-size:15px}.module-info{flex:1}.module-info h3{font-size:18px;line-height:1.4;margin:0 0 5px;font-weight:600}.module-info small{display:block;font-size:12px;color:var(--muted)}.module-info .course-progress{display:block;max-width:230px;height:5px;margin-top:10px}.course-lesson-list{list-style:none;margin:0;padding:0 22px 20px 90px}.course-lesson-list li{border-top:1px solid var(--line)}.course-lesson-list a{display:flex;gap:12px;padding:14px 0;align-items:start;text-decoration:none;font-size:14px}.course-lesson-list a:hover{text-decoration:underline}.lesson-marker{font-weight:700;font-size:12px;min-width:32px;color:var(--muted);padding-top:2px}.course-lesson-list .companion{background:var(--mint);border-radius:8px;padding:0 12px;font-size:12px;margin:4px 0 10px}.course-module-milestone{font-size:13px;color:var(--forest);padding:0 22px 18px 90px;margin:0}.course-advisor{background:#eaf0e6;border-color:#d5decf;margin:46px 0}.course-advisor p{font-size:15px}.course-footer{margin-top:40px;padding:30px 0;background:#e9ece4;color:var(--muted);font-size:12px}.course-footer p{margin-bottom:0}.skip-link{position:absolute;top:-100px;left:16px;padding:10px;background:#fff;z-index:10}.skip-link:focus{top:8px}#course-status:empty{display:none}.course-notice{background:#fbf5e6;border-left:4px solid #b89442;padding:14px 18px;font-size:14px;border-radius:5px}.course-quiz fieldset{border:1px solid var(--line);padding:22px;border-radius:12px;margin:24px 0}.course-quiz legend{padding:0 8px;font-weight:650;font-size:16px}.quiz-choice{display:flex;gap:12px;align-items:flex-start;background:var(--cream);padding:13px;border-radius:7px;margin:8px 0;font-size:15px;cursor:pointer}.quiz-choice input{margin-top:5px;accent-color:var(--forest);width:17px;height:17px;flex-shrink:0}.quiz-feedback{font-size:14px;padding:14px;border-left:3px solid var(--gold);background:#f8f4e9}.quiz-feedback.correct{border-color:var(--forest);background:var(--mint)}.quiz-feedback:empty{display:none}.lesson-page .wrap{max-width:980px}.lesson-page main.wrap{padding-top:22px}.lesson-page article.read,.lesson-content{max-width:820px!important;margin:0 auto;background:white;border:1px solid var(--line);border-radius:16px;padding:clamp(22px,5vw,55px);font-size:17px;line-height:1.8}.lesson-page h2,.lesson-page h3,.lesson-page h4{color:var(--forest);line-height:1.3}.lesson-page article h2{font-family:Georgia,serif;font-weight:normal;font-size:32px}.lesson-page article h3{margin-top:32px}.lesson-page article p{max-width:72ch}.lesson-page article li{margin:8px 0}.lesson-page .lesson-visual{background:var(--mint);border:1px solid var(--line);border-radius:13px;padding:24px;margin:30px 0}.lesson-page .lesson-visual h3{margin-top:0}.lesson-page .lesson-diagram{padding-left:22px;gap:14px}.lesson-page .lesson-diagram li{padding:14px;background:white;border-radius:8px}.lesson-page table{border-collapse:collapse;width:100%;font-size:14px;display:block;overflow-x:auto}.lesson-page th,.lesson-page td{padding:12px;border:1px solid var(--line);text-align:left;vertical-align:top}.lesson-page th{background:var(--mint)}.lesson-page caption{font-weight:bold;text-align:left;padding:10px 0}.lesson-takeaway{border-left:4px solid #b79a51;background:#fbf6e9;padding:20px;border-radius:6px}.lesson-review-notes{font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding-top:18px}.lesson-companion,.lesson-next-step{padding:20px;background:var(--mint);border-radius:9px}.lesson-page #course-lesson-widget{max-width:820px;margin:30px auto}.lesson-widget-heading{display:flex;gap:15px;align-items:center;justify-content:space-between}.lesson-widget-heading h2{margin-top:0}.lesson-page .course-panel{line-height:1.6}.lesson-page .comparison{display:grid;grid-template-columns:1fr 1fr;gap:18px}.lesson-page .mini{padding:18px;border:1px solid var(--line);border-radius:10px}.lesson-page .mini strong{display:block}.lesson-page .bar{height:9px;background:#d9e4d8;border-radius:10px;overflow:hidden}.lesson-page .bar span{display:block;background:var(--forest);height:100%}@media(max-width:700px){.course-wrap{padding:0 18px}.course-header{padding:22px 18px;gap:15px}.course-header nav{gap:13px;font-size:12px}.course-brand{font-size:15px}.course-hero{padding:30px 24px;grid-template-columns:1fr;gap:22px;border-radius:16px}.course-hero h1{font-size:41px}.hero-map{padding:10px 20px}.hero-map span{padding:12px 0}.hero-map small{padding:12px 0}.course-facts{gap:10px;text-align:center;font-size:11px}.course-facts b{display:block;font-size:19px}.course-panel{padding:22px}.course-section-heading{display:block;margin-top:38px}.course-section-heading h2{font-size:30px}.course-module summary{padding:18px 14px;gap:12px}.module-number{min-width:39px;height:42px}.module-info h3{font-size:16px}.course-lesson-list{padding:0 18px 18px}.course-module-milestone{padding:0 18px 18px}.course-actions{align-items:stretch}.course-actions .course-button{width:100%;text-align:center}.course-quiz fieldset{padding:16px 12px}.lesson-page .comparison{grid-template-columns:1fr}.lesson-page .lesson-diagram{grid-template-columns:1fr!important}.lesson-page .lesson-visual{padding:18px}.lesson-widget-heading{display:block}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.lesson-page .lesson-concept-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:18px 0}.lesson-page .lesson-concept-card{padding:18px;border:1px solid #cbd9c9;border-radius:9px;background:white}.lesson-page .lesson-concept-card strong{display:block;color:var(--forest)}.lesson-page .lesson-concept-card p{font-size:14px;line-height:1.6;margin-bottom:0}.lesson-page .lesson-visual figcaption{font-size:18px;line-height:1.4;margin-bottom:16px}.lesson-page .lesson-visual-caption,.lesson-page .visual-caption{font-size:13px;color:var(--muted)}.lesson-page ol.lesson-diagram{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));list-style:none;padding:0}.lesson-page ol.lesson-diagram li{border:1px solid #cbd9c9}.lesson-page .lesson-diagram strong,.lesson-page .lesson-diagram span{display:block}.lesson-page .lesson-diagram span{font-size:14px;line-height:1.6;margin-top:8px}.lesson-tradeoffs{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:8px 0;margin:28px 0}.lesson-tradeoffs dt{font-weight:700;color:var(--forest)}.lesson-tradeoffs dd{margin:4px 0 18px}.lesson-next-review,.lesson-review-invitation,.lesson-extension{background:var(--mint);padding:22px;border-radius:10px;margin:28px 0}.lesson-eyebrow,.lesson-series{font-size:12px;color:var(--muted);letter-spacing:.04em}.lesson-review-notes summary{cursor:pointer;font-weight:700;padding:10px 0}.course-panel .course-actions{margin-top:18px}@media(max-width:700px){.lesson-page .lesson-concept-grid{grid-template-columns:1fr}}

/* Course dashboard: completion is separate from knowledge-check scoring. */
.course-metrics{gap:18px}.course-metrics>span{flex:1;min-width:130px;background:var(--mint);padding:18px;border-radius:12px}.course-metrics b{font-size:32px;line-height:1.2;margin-bottom:8px}.course-motivation{font-weight:650}.course-next-lesson{background:var(--cream);border-left:3px solid var(--gold);padding:14px 18px;font-size:15px}.course-learning-details{border-top:1px solid var(--line);padding:12px 0}.course-learning-details summary{font-size:14px;cursor:pointer}.course-map-toolbar{padding-bottom:12px}.course-map-toolbar p{max-width:750px}.course-map-toolbar .course-actions{margin:12px 0}.course-lesson-row{display:grid;grid-template-columns:44px minmax(0,1fr) auto;align-items:center;gap:10px}.course-completion-control{display:grid;place-items:center;width:44px;min-height:44px;cursor:pointer}.course-completion-control input{width:23px;height:23px;margin:0;accent-color:var(--forest);cursor:pointer}.course-completion-control input:disabled{cursor:not-allowed}.course-lesson-row.is-complete{background:#f3f7f1}.course-lesson-state{font-size:11px;color:var(--muted);padding-right:8px}.is-complete .course-lesson-state{color:var(--forest);font-weight:700}.course-visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:700px){.course-metrics{gap:10px}.course-metrics>span{min-width:110px;padding:13px}.course-metrics b{font-size:27px}.course-lesson-row{grid-template-columns:38px minmax(0,1fr);gap:5px}.course-lesson-state{grid-column:2;margin-top:-10px;padding-bottom:10px}.course-completion-control{width:38px}.course-map-toolbar .course-button{width:auto;flex:1;padding:10px;font-size:12px}.course-lesson-list a{overflow-wrap:anywhere}}

.module-completion{min-width:30px;width:30px;height:30px;border:2px solid #879b8d;background:white;border-radius:6px;flex-shrink:0;font-size:21px}.module-completion.is-complete{background:var(--forest);color:white;border-color:var(--forest)}

/* Foundations premium presentation layer. No course logic or learning content changes. */
:root{--forest:#173f35;--deep:#102f28;--gold:#d4b773;--cream:#f7f6f0;--ink:#203b34;--muted:#50645c;--line:#d5ded7;--mint:#edf3ed;--teal:#24615d;--blue:#355a77;--shadow:0 8px 28px rgba(16,47,40,.045)}
body.course-page,body.lesson-page{font-size:17px;line-height:1.7}
.course-wrap{max-width:1184px;padding-inline:32px}
.course-header{max-width:1248px;padding:24px 32px;min-height:100px}
.course-header nav{gap:12px;flex-wrap:wrap}.course-header nav a{padding:12px 14px;min-height:48px;display:inline-flex;align-items:center;border-radius:8px;font-size:14px}.course-header nav a[aria-current=page]{background:#e9efea}.course-header nav a:hover{background:#e2eae3}
.course-brand{font-size:20px;letter-spacing:.13em}.course-brand span{font-size:11px;letter-spacing:.24em}
.course-hero{border-radius:20px;padding:60px;gap:48px;background:linear-gradient(115deg,#102f28,#204d40);border:1px solid #31574a;box-shadow:var(--shadow);position:relative;border-top:5px solid var(--gold)}
.course-hero h1{font-size:clamp(40px,4.5vw,60px);line-height:1.1;margin:20px 0 24px}.course-hero p{font-size:18px;line-height:1.75}.course-eyebrow{font-size:11px;line-height:1.7;letter-spacing:.14em;color:var(--teal)}
.hero-map{padding:20px 28px;background:#224c40;border-color:#6a8577;border-radius:14px}.hero-map span{padding:22px 0;font-size:14px;gap:20px}.hero-map b{font-size:16px;line-height:1.5}.hero-map small{font-size:13px;padding-top:22px;padding-bottom:4px;color:#e1e9df}
.course-button,button.course-button,.lesson-page .button{min-height:52px;padding:14px 24px;display:inline-flex;justify-content:center;align-items:center;gap:8px;border-radius:10px;font-size:15px;font-weight:700;line-height:1.5;text-align:center;box-shadow:0 2px 0 rgba(16,47,40,.06);white-space:normal}
.course-button.secondary{background:#fff;border-color:#9aafa2;color:var(--forest);box-shadow:none}.course-button.secondary:hover{background:#edf3ed;border-color:var(--forest)}.course-button.light:hover{background:#e5ca8c;border-color:#e5ca8c}.course-button:disabled{opacity:1;background:#e4e9e3;color:#506058;border-color:#a5b3a8;box-shadow:none;cursor:not-allowed}
.course-facts{margin:0 0 36px;padding:28px 0;gap:0;align-items:center}.course-facts>span{flex:1;text-align:center;padding:8px 16px;font-size:14px}.course-facts>span+span{border-left:1px solid var(--line)}.course-facts b{font-size:22px}
.course-panel{padding:36px;border-radius:16px;margin:28px 0;box-shadow:var(--shadow)}.course-panel h2{font-size:32px;line-height:1.25;margin:10px 0 16px}.course-panel p{margin-block:16px}.course-small{font-size:14px;line-height:1.7}
#course-enrollment{border-top:4px solid var(--teal);background:#f1f6f2}.course-consent{max-width:850px;background:white;border:1px solid #bccdc0;padding:20px;border-radius:10px;font-size:15px;gap:16px;cursor:pointer;line-height:1.7}.course-consent input{width:24px;height:24px;margin-top:2px}
#course-dashboard{border-top:4px solid var(--gold);padding:40px}.course-progress{height:12px}.course-metrics{gap:16px;margin:24px 0}.course-metrics>span{padding:24px;border:1px solid #d4e1d5;background:#edf3ed;border-radius:12px;min-width:160px}.course-metrics>span:nth-child(2){background:#edf4f3;border-color:#cbdcda}.course-metrics>span:nth-child(3){background:#eef2f6;border-color:#d0dbe5}.course-metrics b{font-size:36px;letter-spacing:-.035em;margin-bottom:10px}.course-metrics>span:nth-child(2) b{color:var(--teal)}.course-metrics>span:nth-child(3) b{color:var(--blue)}.course-metrics span{font-size:14px}.course-next-lesson{border:1px solid #dfd3b2;border-left:5px solid #9e7f36;background:#faf6eb;border-radius:8px;padding:20px 24px;font-size:17px;font-weight:600}.course-actions{gap:14px}.course-learning-details{border-block:1px solid var(--line);margin-top:24px;padding:4px 0}.course-learning-details summary{min-height:52px;padding:12px 4px;font-size:14px;color:var(--muted)}.course-badge{font-size:13px;padding:7px 12px}
.course-section-heading{margin:64px 0 20px;padding-top:36px;border-top:1px solid #c5d2c8;align-items:center}.course-section-heading h2{font-size:36px}.course-section-heading p{font-size:14px;line-height:1.7}.course-map-toolbar{background:#edf2ed;border:1px solid var(--line);border-radius:12px;padding:20px 24px;margin-bottom:24px}.course-map-toolbar p{margin:0 0 14px}.course-map-toolbar .course-actions{margin:14px 0}.course-map-toolbar .course-actions:last-child{margin-bottom:0}
.course-module{--module-color:var(--forest);--module-tint:#edf3ed;margin:18px 0;border-radius:14px;border-color:#cbd8cf;box-shadow:var(--shadow);border-left:4px solid var(--module-color)}.course-module[data-module="2"],.course-module[data-module="5"],.course-module[data-module="8"]{--module-color:var(--teal);--module-tint:#edf4f3}.course-module[data-module="3"],.course-module[data-module="6"],.course-module[data-module="9"]{--module-color:var(--blue);--module-tint:#eef2f6}
.course-module summary{padding:26px;gap:20px;background:var(--module-tint);min-height:112px}.course-module summary:hover{box-shadow:inset 0 0 0 2px #a8bdb0}.course-module[open]>summary{border-bottom:1px solid var(--line)}.course-module summary:after{color:var(--module-color);font-size:26px;min-width:32px;text-align:center}.module-info h3{font-size:20px;line-height:1.4;font-weight:700;color:var(--module-color)}.module-info small{font-size:13px;color:var(--muted)}.module-info .course-progress{height:7px;max-width:280px;margin-top:13px}.module-number.module-completion{width:36px;min-width:36px;height:36px;border-radius:9px;border-color:#839b8a}.module-completion.is-complete{border-color:var(--forest)}
.course-lesson-list{padding:8px 26px 16px 26px}.course-lesson-list li{border-color:#e0e7e1}.course-lesson-list li:first-child{border-top:0}.course-lesson-row{grid-template-columns:52px minmax(0,1fr) auto;gap:12px;padding:4px 0;min-height:76px}.course-completion-control{width:52px;min-height:52px;border-radius:10px}.course-completion-control:hover{background:#e5eee5}.course-completion-control input{width:26px;height:26px}.course-lesson-list a{padding:18px 4px;font-size:16px;line-height:1.6;min-height:52px;align-items:baseline;border-radius:6px;gap:16px}.course-lesson-list a:hover{color:var(--module-color);background:#f5f7f3}.lesson-marker{font-size:13px;min-width:32px;color:var(--module-color)}.course-lesson-state{font-size:12px;padding-right:10px}.course-lesson-row.is-complete{border-radius:8px}.course-module-milestone{padding:18px 26px;background:var(--module-tint);border-top:1px solid var(--line);font-size:14px;color:var(--module-color)}.course-lesson-list .companion{padding:0 16px;margin:12px 0;background:#f4f0e4;border:1px solid #ded5bc}.course-lesson-list .companion a{font-size:14px}
.course-advisor{margin:56px 0;background:#edf2e9;padding:40px;border-top:4px solid #71896a}.course-advisor p{font-size:16px}.course-advisor .course-small{font-size:14px}.course-footer{margin-top:56px;padding:36px 0;font-size:13px;line-height:1.8;border-top:1px solid #d4ddcf}
/* Reading room: comfortable measure, clear section divisions and distinct visual panels. */
.lesson-page>header{padding-block:20px;min-height:88px}.lesson-page>header nav a{min-height:48px;padding:12px 6px;display:inline-flex;align-items:center}.lesson-page .wrap{max-width:1080px}.lesson-page main.wrap{padding-top:16px}.lesson-page main>.actions{max-width:880px;margin:16px auto 28px}.lesson-page main>.actions a{min-height:48px;padding:12px 16px;display:inline-flex;align-items:center;border-radius:8px;font-weight:600;font-size:15px}.lesson-page main>.actions a:not(.button){background:#e9efea}
.lesson-page article.read,.lesson-content{max-width:880px!important;padding:clamp(24px,5vw,64px);border-radius:16px;box-shadow:var(--shadow);border-top:5px solid var(--gold);font-size:18px;line-height:1.85}.lesson-page article h1{font:normal clamp(30px,4vw,44px)/1.18 Georgia,serif;letter-spacing:-.025em;margin:24px 0 32px;color:var(--deep);overflow-wrap:break-word}.lesson-page article h2{font-size:30px;border-top:1px solid #d8e2d8;padding-top:30px;margin-top:40px;margin-bottom:20px}.lesson-page article h3{font-size:23px;line-height:1.4}.lesson-page article .badge{background:#f0e5c8;color:#58451e;padding:7px 14px;font-size:11px}.lesson-page article>.eyebrow{color:#56654d;font-size:11px;letter-spacing:.1em;margin-top:18px}.lesson-page .lesson-audience{padding:18px 22px;border-left:4px solid var(--teal);background:#edf4f3;border-radius:6px}
.lesson-page .lesson-visual{padding:28px;margin:36px 0;background:#edf4f3;border:1px solid #bfcfcb;border-top:4px solid var(--teal);border-radius:12px}.lesson-page .lesson-visual h2,.lesson-page .lesson-visual h3{padding-top:0;border:0;margin-top:0}.lesson-page .lesson-concept-card,.lesson-page .lesson-diagram li,.lesson-page .mini{border-color:#c9d8d3;padding:22px;background:white;border-radius:10px}.lesson-page .lesson-concept-card strong,.lesson-page .mini strong{color:var(--teal)}.lesson-page .lesson-concept-card p,.lesson-page .lesson-diagram span{font-size:15px;line-height:1.7}.lesson-page .mini strong{font-size:25px}.lesson-page figure.lesson-book-visual{padding:24px!important;background:#f5f3ec!important;border-color:#dbd4c3!important;border-radius:12px!important}.lesson-page figure.lesson-book-visual figcaption{color:#40534b;font-size:14px!important;line-height:1.7!important}.lesson-page .lesson-takeaway{padding:24px;border-left:5px solid #997a32;background:#faf5e8;line-height:1.8}.lesson-page .lesson-next-step{padding:28px;background:#edf2ed;border:1px solid #cad9cb}.lesson-page .lesson-next-step h2{border:0;margin-top:0;padding-top:0}.lesson-page .lesson-review-notes{padding:8px 16px;margin-top:28px;font-size:13px;border:1px solid var(--line);background:#f7f8f4}.lesson-page .lesson-review-notes summary{min-height:52px;line-height:1.5;padding:12px 0}.lesson-page #course-lesson-widget{max-width:880px;margin:40px auto;border-top:5px solid var(--teal);padding:36px}.lesson-page #course-lesson-widget>div+div{border-top:1px solid var(--line);padding-top:28px;margin-top:28px}
.course-quiz fieldset{padding:24px;margin:28px 0;background:#fff;border-color:#c4d3c8}.course-quiz legend{font-size:17px;line-height:1.6;padding:0 10px}.quiz-choice{min-height:56px;padding:16px;margin:12px 0;border:1px solid #d4ded6;border-radius:9px;font-size:16px;gap:14px;line-height:1.6}.quiz-choice:hover{background:#eaf1e9;border-color:#8ca995}.quiz-choice:has(input:checked){border-color:var(--forest);background:#e8f0e6;box-shadow:inset 3px 0 var(--forest)}.quiz-choice input{width:22px;height:22px;margin-top:2px}.quiz-feedback,.course-notice{font-size:15px;line-height:1.7;padding:18px 22px}.lesson-page th,.lesson-page td{padding:16px;font-size:15px}.lesson-page .course-panel .course-panel{box-shadow:none;background:#f2f5ef}.lesson-page footer{font-size:13px;line-height:1.8}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid #204f74;outline-offset:4px}.course-hero a:focus-visible,.lesson-page>header a:focus-visible{outline-color:#f1d68f}.course-module summary:focus-visible{outline-offset:-5px}.course-completion-control:focus-within,.quiz-choice:focus-within{box-shadow:inset 0 0 0 2px #204f74}
@media(max-width:760px){.course-wrap{padding-inline:20px}.course-header{padding:18px 20px;gap:14px;flex-wrap:wrap;min-height:88px}.course-header nav{gap:4px}.course-header nav a{padding:10px;font-size:13px}.course-brand{font-size:17px}.course-hero{padding:32px 26px;grid-template-columns:1fr;gap:28px}.course-hero h1{font-size:43px}.course-hero p{font-size:17px}.hero-map{padding:12px 22px}.hero-map span{padding:16px 0}.hero-map small{padding:16px 0 4px}.course-facts{margin-bottom:24px;padding:20px 0}.course-facts>span{font-size:12px;padding:4px 8px}.course-facts b{display:block;font-size:21px;margin:0 0 4px}.course-panel,#course-dashboard,.course-advisor{padding:26px}.course-panel h2{font-size:29px}.course-metrics{gap:10px}.course-metrics>span{min-width:130px;padding:18px}.course-metrics b{font-size:30px}.course-metrics span{font-size:13px}.course-consent{padding:16px;font-size:14px}.course-section-heading{display:block;margin-top:44px;padding-top:28px}.course-section-heading h2{font-size:32px}.course-map-toolbar{padding:20px}.course-module summary{padding:22px 18px;gap:14px}.module-info h3{font-size:18px}.module-info small{font-size:12px}.course-lesson-list{padding:6px 14px 14px}.course-lesson-row{grid-template-columns:48px minmax(0,1fr);gap:0 8px;padding-block:8px}.course-completion-control{width:48px;min-height:48px;grid-row:1 / span 2}.course-lesson-list a{font-size:15px;padding:12px 4px;gap:10px;overflow-wrap:anywhere}.course-lesson-state{grid-column:2;margin:0;padding:0 4px 6px 46px;font-size:12px}.course-module-milestone{padding:18px;font-size:13px}.course-map-toolbar .course-button{min-height:48px;font-size:14px;padding:12px 16px;width:auto;flex:1}.course-actions .course-button{width:100%;min-height:52px}.course-button.light{width:100%}.lesson-page article.read{padding:28px;font-size:17px}.lesson-page article h2{font-size:28px}.lesson-page #course-lesson-widget{padding:26px}.lesson-page .comparison,.lesson-page .lesson-concept-grid{grid-template-columns:1fr}.lesson-page .lesson-visual{padding:20px}.lesson-page .lesson-diagram{grid-template-columns:1fr!important}.lesson-page .lesson-visual figcaption{font-size:17px}.course-quiz fieldset{padding:18px 14px}.course-quiz legend{font-size:16px}.quiz-choice{font-size:15px;padding:15px 12px}.lesson-page .lesson-next-step{padding:22px}.course-footer{margin-top:40px}}
@media(max-width:420px){.course-wrap{padding-inline:14px}.course-header{padding-inline:16px}.course-hero{padding:28px 22px}.course-hero h1{font-size:38px}.course-panel,#course-dashboard{padding:22px}.course-metrics{display:grid;grid-template-columns:1fr}.course-metrics>span{display:flex;gap:16px;align-items:center;min-width:0;padding:16px}.course-metrics b{min-width:88px;font-size:29px;margin:0}.course-metrics>span>span{max-width:160px}.module-number.module-completion{width:30px;min-width:30px;height:30px}.course-module summary{gap:10px;padding:20px 14px}.course-module summary:after{min-width:20px}.module-info h3{font-size:17px}.lesson-page .wrap{padding-inline:14px}.lesson-page article.read,.lesson-page #course-lesson-widget{padding:22px}.lesson-page .lesson-visual{margin-inline:0;padding:16px}.lesson-page .mini{padding:18px}.course-map-toolbar .course-actions{flex-direction:column}.course-map-toolbar .course-button{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
@media print{.course-hero{background:white;color:#173f35;box-shadow:none}.course-hero p,.course-hero .course-eyebrow{color:#173f35}.course-panel,.course-module,.lesson-page article.read{box-shadow:none}.lesson-page article.read{padding:0;border:0}.course-actions,.course-header,.course-footer{display:none}}

/* Keep legacy lesson navigation readable on its forest header. */
.lesson-page>header a,.lesson-page>header a:visited{color:#fff}
.lesson-page>header .brand span{color:#e4cd96}
.lesson-page>header a:hover{color:#f0dcae}
.lesson-page>header a:focus-visible{outline-color:#f0dcae}