:root {
 --sk-surface-page:#f8f7f2;--sk-surface-raised:#fffefa;--sk-surface-card:#fffefa;--sk-surface-subtle:#edf2ee;--sk-surface-inverse:#173e3b;
 --sk-text-primary:#243e3a;--sk-text-secondary:#465c57;--sk-text-muted:#586963;--sk-text-link:#17615a;--sk-text-inverse:#fffefa;
 --sk-action-primary:#195f56;--sk-action-primaryText:#fffefa;--sk-action-primary-text:#fffefa;--sk-action-secondary:#fffefa;--sk-action-secondaryText:#244c46;--sk-action-secondary-text:#244c46;
 --sk-border-default:#c5cfc5;--sk-focus-ring:#a1492a;--sk-font-sans:'Source Sans 3',sans-serif;--sk-font-mono:'Source Sans 3',sans-serif;
 --course-heading:'Source Serif 4',Georgia,serif;--course-accent:#975132;--course-soft:#e6eee6;--course-border:#d8dfd5;
 --course-max:76rem;--course-reading:46rem;--course-gutter:clamp(1.25rem,4vw,4rem);--course-section:clamp(3rem,6vw,6rem);--course-small:0.85rem;--course-body:1.125rem;--course-line:1.75;--course-title:clamp(2.75rem,5.1vw,4.6rem);--course-subtitle:clamp(1.8rem,3vw,2.6rem);--course-radius:0.3rem;
}
body{background:var(--sk-surface-page);color:var(--sk-text-primary);font-family:var(--sk-font-sans);font-size:var(--course-body);line-height:1.6}
a{color:var(--sk-text-link);text-underline-offset:.2em}button,a,input,select,summary{touch-action:manipulation}button,input,select,textarea{font:inherit}button,a,summary{ -webkit-tap-highlight-color:transparent }[hidden]{display:none!important}
h1,h2,h3,p{margin-block-start:0}h1,h2,h3{line-height:1.15}h1,h2{font-family:var(--course-heading);font-weight:400;letter-spacing:-.025em}h1{font-size:var(--course-title)}h2{font-size:var(--course-subtitle)}h3{font-size:1.3rem}p{margin-block-end:1.15em}.shell{max-width:var(--course-max);margin-inline:auto;padding-inline:var(--course-gutter)}
.sk-header{padding:0;border-bottom:1px solid var(--course-border);background:var(--sk-surface-page)}.header-inner{display:flex;width:100%;align-items:center;justify-content:space-between;gap:var(--sk-space-5);padding-block:1.35rem}.brand{display:flex;gap:.8rem;align-items:center;text-decoration:none;color:var(--sk-text-primary);font-size:2rem;font-family:var(--course-heading);line-height:.95;font-weight:600}.brand .sk-glyph{width:2rem;height:2rem}.brand-sub{display:block;font-family:var(--sk-font-sans);font-size:.6rem;letter-spacing:.2em;margin-top:.5rem}.sk-navigation{gap:1.6rem}.sk-navigation a{font-size:1rem;font-weight:500;text-transform:none;display:flex;align-items:center;gap:.4rem;text-decoration:none}.sk-button{font-family:var(--sk-font-sans);font-size:1rem;text-transform:none;letter-spacing:0;min-height:2.8rem;padding:.75rem 1.15rem;border-radius:var(--course-radius);gap:.65rem}.sk-glyph{width:1.25rem;height:1.25rem;display:inline-block;vertical-align:middle;stroke:currentColor;fill:none;stroke-width:1.7}.eyebrow{font-size:var(--course-small);letter-spacing:.14em;text-transform:uppercase;font-weight:600;color:var(--sk-text-link);margin-bottom:1.3rem}.hero{padding-block:var(--course-section);display:grid;grid-template-columns:1.4fr .9fr;align-items:center;gap:4rem}.hero h1{max-width:13ch;margin-bottom:1.4rem}.hero h1 em{font-weight:400;color:var(--sk-text-link)}.lede{font-size:1.3rem;line-height:1.6;color:var(--sk-text-secondary);max-width:40rem}.actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-block:1.8rem}.hero-notes{display:flex;flex-wrap:wrap;gap:1.3rem;font-size:.95rem;color:var(--sk-text-secondary)}.hero-notes span{display:flex;align-items:center;gap:.4rem}.study-panel{background:var(--course-soft);padding:2.1rem;border:1px solid var(--course-border);border-radius:var(--course-radius)}.study-panel h2{font-size:1.85rem;margin-bottom:.8rem}.study-panel p{font-size:1rem}.study-panel ol{list-style:none;padding:0;margin-block:1.5rem}.study-panel li{display:grid;grid-template-columns:2rem 1fr;gap:.75rem;padding-block:1rem;border-top:1px solid var(--sk-border-default)}.study-panel li span:first-child{font-size:.8rem;color:var(--course-accent);padding-top:.3rem}.study-panel li strong{display:block;font-weight:600}.study-panel li small{font-size:.9rem;color:var(--sk-text-secondary)}.panel-bottom{border-top:1px solid var(--sk-border-default);padding-top:1rem;display:flex;align-items:center;gap:.7rem;font-size:.9rem}.stats{display:grid;grid-template-columns:repeat(4,1fr);border-block:1px solid var(--course-border);padding-block:1.8rem;gap:2rem}.stats strong{display:block;font-family:var(--course-heading);font-size:2.2rem;font-weight:400}.stats span{font-size:.95rem;color:var(--sk-text-secondary)}.section{padding-block:var(--course-section)}.section-heading{display:flex;gap:2rem;justify-content:space-between;align-items:end;margin-bottom:2rem}.section-heading h2{margin-bottom:.6rem}.section-heading p{margin:0;color:var(--sk-text-secondary)}.section-heading>a{white-space:nowrap}.stage-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}.sk-card{border-color:var(--course-border);padding:1.5rem;box-shadow:none;border-radius:var(--course-radius);background:var(--sk-surface-card);min-width:0}.sk-card h3{font-family:var(--course-heading);font-weight:500;font-size:1.4rem;margin-block:1rem .75rem}.sk-card p{font-size:1rem;color:var(--sk-text-secondary)}.sk-card .eyebrow{font-size:.75rem}.stage-meta{font-size:.85rem;color:var(--sk-text-muted);margin-top:1rem;display:flex;justify-content:space-between}.book-note{display:grid;grid-template-columns:1fr 1.5fr;gap:3rem;padding:2.5rem;background:var(--course-soft);border:1px solid var(--course-border)}.book-note p:last-child{margin-bottom:0}.page-main{padding-block:2.5rem var(--course-section)}.sk-breadcrumbs{font-size:.9rem;margin-bottom:2.6rem}.reading{max-width:var(--course-reading);margin-inline:auto}.reading h1{font-size:clamp(2.4rem,4vw,3.6rem)}.prose{line-height:var(--course-line)}.prose h2{margin-top:2.4rem;margin-bottom:1rem;font-size:2rem}.prose h3{margin-top:1.8rem}.prose blockquote{border-left:3px solid var(--sk-text-link);margin:1.5rem 0;padding:1.2rem 1.5rem;background:var(--course-soft)}.prose blockquote p:last-child{margin-bottom:0}.prose li{margin-bottom:.6rem}.prose details{border:1px solid var(--course-border);padding:1rem 1.25rem;margin-block:1.5rem}.prose summary{font-weight:600;cursor:pointer}.prose details[open] summary{margin-bottom:1rem}.source-ref{font-size:.85em}.sources-list{font-size:.95rem}.lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) 16rem;gap:3rem;align-items:start}.lesson-sidebar{position:sticky;top:2rem;font-size:.95rem;background:var(--course-soft);padding:1.5rem}.lesson-sidebar h2{font-family:var(--sk-font-sans);font-size:1rem}.lesson-sidebar nav a{display:block;padding:.4rem 0}.lesson-meta{color:var(--sk-text-muted);font-size:.9rem;margin-bottom:2rem}.lesson-footer{border-top:1px solid var(--course-border);margin-top:2.5rem;padding-top:1.5rem}.course-list{padding-left:0;list-style:none}.course-list li{border-bottom:1px solid var(--course-border);padding:.9rem 0;display:flex;gap:1rem}.course-list .number{font-size:.85rem;color:var(--sk-text-muted);padding-top:.2rem}.course-list a{font-weight:500}.sk-footer{border-top:1px solid var(--course-border);padding-block:2.5rem;background:var(--sk-surface-page)}.footer-top{display:flex;justify-content:space-between;gap:2rem;margin-bottom:2rem}.footer-name{font-family:var(--course-heading);font-size:1.5rem;max-width:15rem}.footer-top nav{display:flex;flex-wrap:wrap;gap:1rem 1.5rem;font-size:.95rem}.fine{font-size:.85rem;color:var(--sk-text-muted);max-width:65rem;line-height:1.7}.footer-bottom{display:flex;justify-content:space-between;gap:1rem;font-size:.8rem;color:var(--sk-text-muted);padding-top:1rem}.sk-skip-link:focus{position:fixed;top:1rem;left:1rem;z-index:10}.sk-table{overflow:auto}.sk-table table{min-width:30rem}.sk-table caption{text-align:left;font-weight:600}.sk-table th,.sk-table td{padding:.75rem;border-bottom:1px solid var(--course-border)}:focus-visible{outline:3px solid var(--sk-focus-ring);outline-offset:4px}.sk-radio-button{padding:1.25rem;border:1px solid var(--course-border)}.sk-radio-button label{display:flex;align-items:start;gap:.8rem;padding:1rem;margin-block:.5rem;border:1px solid var(--course-border);cursor:pointer;font-family:var(--sk-font-sans);font-size:1rem;line-height:1.5}.sk-radio-button input{margin-top:.25rem}.sk-radio-button legend{font-size:1.25rem;font-weight:600}.sk-form-field{margin-bottom:1rem}.sk-form-field label{display:block;font-weight:600;margin-bottom:.5rem}input,select,textarea{max-width:100%}.status{font-size:.95rem}.question-nav{display:flex;flex-wrap:wrap;gap:.5rem}.question-nav button{min-width:2.75rem;min-height:2.75rem}.quiz-toolbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}.feedback{padding:1.5rem;background:var(--course-soft);margin-block:1.5rem}.feedback h2{font-size:1.5rem}.sk-progress-bar{width:100%;accent-color:var(--sk-action-primary)}
@media(max-width:960px){.hero{gap:2rem}.header-inner{flex-wrap:wrap}.header-inner .sk-navigation{order:3;flex-basis:100%;justify-content:center}.stage-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.lesson-layout{grid-template-columns:minmax(0,1fr)}.lesson-sidebar{position:static;order:-1}.lesson-sidebar nav{display:flex;flex-wrap:wrap;gap:.4rem 1rem}}
@media(max-width:640px){.hero{grid-template-columns:1fr;padding-block:3rem}.hero h1{max-width:16ch}.study-panel{padding:1.5rem}.stats{grid-template-columns:repeat(2,1fr);gap:1.25rem}.stage-grid,.book-note{grid-template-columns:1fr}.section-heading,.footer-top{display:block}.section-heading>a{display:inline-block;margin-top:1rem}.book-note{padding:1.5rem;gap:1rem}.sk-navigation{gap:.8rem}.sk-navigation a{font-size:.95rem}.header-inner{gap:1.2rem}.header-inner>.sk-button{padding:.65rem .85rem}.footer-bottom{display:block}.actions .sk-button{flex-grow:1}.prose h2{font-size:1.75rem}.lesson-sidebar{padding:1rem}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media(forced-colors:active){.sk-button,.sk-card,.study-panel,.sk-radio-button label{border:1px solid CanvasText}a{color:LinkText}progress{forced-color-adjust:auto}}
@media print{header,footer,.lesson-sidebar,.actions,button{display:none!important}.shell{padding:0}.reading{max-width:none}.lesson-layout{display:block}body{background:white;color:black;font-size:11pt}h1{font-size:25pt}.prose h2{font-size:18pt}a{color:inherit}.prose details{display:block}.prose details>*{display:block}body .certificate{display:block}}
.sk-button{color:var(--sk-action-primary-text)}.sk-button[data-variant="secondary"],.sk-button[data-variant="ghost"]{color:var(--sk-action-secondary-text)}.sk-navigation{border:0;background:transparent;padding:0}.sk-card::before,.sk-card::after{display:none}.sk-footer nav a{text-transform:none;letter-spacing:0;font-family:var(--sk-font-sans)}
.sk-button:hover{color:var(--sk-action-secondary-text)}
.sk-button[data-variant="secondary"]:hover,.sk-button[data-variant="ghost"]:hover,.sk-button:active{color:var(--sk-action-primary-text)}

[data-capstone-record]{padding-block:2rem;border-top:1px solid var(--course-border)}[data-capstone-record] fieldset{min-width:0;padding:1.25rem;border:1px solid var(--course-border)}[data-capstone-record] textarea{display:block;width:100%;box-sizing:border-box}.certificate{padding:clamp(1.5rem,4vw,3rem);border:2px solid var(--sk-text-link);text-align:center;margin-block:2rem;background:var(--sk-surface-raised)}.certificate-name{font-family:var(--course-heading);font-size:2rem;overflow-wrap:anywhere}.certificate-controls input{display:block;margin-block:.75rem 1.25rem}
@media print{.certificate-controls{display:none!important}.certificate{border:2px solid #173e3b;break-inside:avoid;padding:2rem}.certificate h2{font-size:26pt}.certificate-name{font-size:24pt}body:has(#certificate-app) .page-main>.sk-breadcrumbs,body:has(#certificate-app) .reading>h1,body:has(#certificate-app) .reading>.eyebrow,body:has(#certificate-app) .reading>.lede{display:none}}

.exam-checklist{display:grid;gap:.8rem;margin-block:1.5rem}.exam-checklist label{display:flex;gap:.75rem;align-items:baseline;padding:.4rem}.exam-checklist input{flex:none}