.course-reader{display:grid;grid-template-columns:280px minmax(0,1fr);gap:32px;align-items:start;padding-block:24px 60px}.course-rail{position:sticky;top:24px;max-height:calc(100dvh - 48px);overflow:auto;padding:0 16px 12px 0;border-right:1px solid var(--line)}.course-rail-title{display:block;font-size:20px;font-weight:620;line-height:1.3;letter-spacing:0;margin-bottom:18px}.course-outline>summary{display:none}.course-outline nav{font-size:17px;line-height:1.35}.course-outline a{display:block;min-height:44px;padding:10px;border-radius:6px;transition:background-color .18s ease,color .18s ease}.course-outline a:hover{background:#e9e9ed;color:var(--blue)}.course-outline a[aria-current]{color:var(--ink);background:#e5edf8;font-weight:600}.course-outline ol{list-style:none;margin:0;padding:0}.course-lesson-list{margin-top:12px!important}.course-lesson-list>li{margin-top:12px}.course-lesson-link{display:grid!important;grid-template-columns:18px minmax(0,1fr) auto;gap:6px;align-items:baseline;font-weight:600}.course-outline .course-lesson-link[aria-current]{background:transparent}.course-lesson-index,.course-part-index{font-variant-numeric:tabular-nums}.course-lesson-progress{display:grid;align-items:center;justify-items:end;font-size:16px;color:var(--muted);font-weight:400;white-space:nowrap}.course-lesson-progress>*{grid-area:1/1}.course-lesson-link.is-complete [data-course-count]{visibility:hidden}.course-part-list{padding:4px 0 8px!important}.course-part-list>li{margin-block:3px}.course-part-list a{display:grid;grid-template-columns:18px minmax(0,1fr) 18px;gap:8px;align-items:center}.course-part-index{color:var(--muted);font-size:16px;font-weight:400}.course-read-mark{width:18px;height:18px;fill:none;stroke:#246344;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;opacity:0;visibility:hidden}.is-complete .course-read-mark,.course-read-state .course-read-mark{opacity:1;visibility:visible}.course-read-label{display:none;position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.is-complete .course-read-label{display:block}.course-reading{min-width:0}.course-lesson-heading{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 12px;margin:0 0 16px}.course-lesson-heading>p:first-child,.course-overview-heading>p:first-child{font-size:18px;line-height:1.45;color:var(--muted);margin:0 0 10px}.course-lesson-heading>p:first-child{font-size:17px;margin:0}.course-lesson-heading h1{font-size:18px;font-weight:600;letter-spacing:0;line-height:1.4;margin:0}.course-description{font-size:18px;line-height:1.55;margin:8px 0 0;flex-basis:100%}.course-reader-controls{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0;margin-bottom:20px;font-size:17px}.course-reader-controls[hidden]{display:none}.course-reader-controls button{border:0;border-radius:5px;background:transparent;color:var(--blue);font-size:17px;padding:8px 10px;cursor:pointer}.course-reader-controls button:hover{background:#e9e9ed}.course-reading-options{display:flex;align-items:center;gap:8px}.course-reader-controls .course-read-state{display:inline-flex;align-items:center;gap:5px;color:#246344}.course-reader-controls .course-read-state[hidden]{display:none}.course-reading-body{font-size:18px;line-height:1.55;overflow-wrap:anywhere}.course-reading-body h2,.course-reading-body h3{font-size:28px;font-weight:620;line-height:1.2;letter-spacing:-.015em;margin:28px 0 14px}.course-reading-body h2 strong,.course-reading-body h3 strong{font-weight:inherit}.course-reading-body h2 em,.course-reading-body h3 em{font-style:normal}.course-reader[data-view=part] .course-unit>h2:first-child{font-size:34px;line-height:1.16;letter-spacing:0;text-wrap:balance}.course-unit>:first-child{margin-top:0}.course-unit>:last-child{margin-bottom:0}.course-unit+.course-unit{margin-top:36px}.course-reader[data-ready] .course-unit{margin-top:0}.course-reader[data-ready] .course-unit:not([hidden])~.course-unit:not([hidden]){margin-top:36px;padding-top:28px;border-top:1px solid var(--line)}.course-unit[hidden]{display:none!important}.course-reading-body [id]{scroll-margin-top:24px}.course-reading-body p{font-size:18px;line-height:1.55;margin:0 0 16px}.course-reading-body ul,.course-reading-body ol{padding-left:24px;margin:16px 0}.course-reading-body li{margin:6px 0;font-size:18px;line-height:1.55}.course-reading-body a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}.course-reading-body .course-embed{width:100%;max-width:none;margin:22px 0}.course-reading-body .course-embed iframe{display:block;width:100%;height:auto;min-height:0;aspect-ratio:16/9;border:1px solid var(--line);border-radius:6px;background:var(--surface)}.course-reading-body .course-embed--tall iframe{aspect-ratio:auto;height:560px;min-height:0}.course-reading-body .course-audio{width:100%;margin:8px 0 22px}.course-reader-pager{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;margin-top:24px;padding-top:12px;font-size:17px}.course-reader-pager a{display:inline-flex;align-items:center;min-height:44px;padding:10px 0;color:var(--blue)}.course-reader-pager .course-continue{border-radius:6px;background:var(--ink);color:var(--page);padding-inline:16px;margin-left:auto}.course-progress-message{font-size:16px;line-height:1.4;color:var(--muted);margin:12px 0 0}.course-progress-message:empty{display:none}.course-media-link{display:flex;justify-content:flex-end;font-size:17px;margin-top:8px}.course-overview-heading h1{font-size:clamp(42px,5.7vw,72px);line-height:1.05;letter-spacing:-.02em;font-weight:640;margin:0 0 24px}.course-overview-copy p{margin:0 0 16px;font-size:18px;line-height:1.55}.course-start{display:inline-flex;margin-top:8px;padding:11px 20px;border-radius:6px;background:var(--ink);color:var(--page);font-size:18px}.course-overview-lessons{margin-top:36px}.course-overview-lessons>h2{font-size:28px;line-height:1.2;letter-spacing:-.015em;margin:0 0 16px}.course-overview-lessons article{border-top:1px solid var(--line);padding:22px 0}.course-overview-lessons article:last-of-type{border-bottom:1px solid var(--line)}.course-overview-lessons article>a{display:flex;align-items:baseline;gap:14px;margin-bottom:10px}.course-overview-lessons article>a>span{font-size:18px;color:var(--muted)}.course-overview-lessons h3{font-size:28px;line-height:1.2;letter-spacing:-.015em;font-weight:620;margin:0}.course-overview-lessons a:hover h3{color:var(--blue)}.course-overview-lessons p{font-size:18px;line-height:1.55;margin:0}.course-authorship{border-top:1px solid var(--line);padding-top:20px;margin-top:28px;font-size:17px;line-height:1.55}@media(max-width:979px){.course-reader{display:block;padding-top:16px}.course-rail{position:static;max-height:none;padding:0;border:0;margin-bottom:24px}.course-rail-title{margin:0 0 12px;font-size:20px}.course-outline{border-block:1px solid var(--line)}.course-outline>summary{display:flex;align-items:center;justify-content:space-between;padding:12px 0;font-size:18px;font-weight:550;list-style:none;cursor:pointer}.course-outline>summary::-webkit-details-marker{display:none}.course-outline>summary:after{content:"+";font-size:22px}.course-outline[open]>summary:after{content:"−"}.course-outline nav{padding:0 0 16px}.course-mobile-progress{font-size:16px;font-weight:400;color:var(--muted);margin-left:auto;margin-right:14px}.course-overview-heading h1{font-size:clamp(38px,7vw,56px)}.course-reading-body h2,.course-reading-body h3{font-size:26px}}@media(max-width:480px){.course-reader-controls{gap:8px}.course-reading-options{gap:2px}.course-reader-controls button{padding-inline:6px;font-size:16px}.course-reader[data-view=part] .course-unit>h2:first-child{font-size:30px}.course-reading-body .course-embed--tall iframe{height:480px}.course-reader-pager{font-size:16px}.course-reader-pager .course-continue{padding-inline:12px}}@media(prefers-reduced-motion:reduce){.course-outline a{transition:none}}@media print{.course-reader{display:block;width:100%;padding:0}.course-rail,.course-reader-controls,.course-reader-pager,.course-page .site-identity,.course-page .site-footer{display:none}.course-unit[hidden]{display:block!important}.course-unit{margin-top:28px!important}.course-reading-body p,.course-reading-body li{font-size:12pt}.course-reading-body h2,.course-reading-body h3{break-after:avoid}}.course-reader[data-view=part]:not([data-part="0"]) .course-description{display:none}.course-page .site-footer{background:var(--page);color:var(--ink);border-top:1px solid var(--line);padding-top:24px}.course-page .footer-email{font-size:20px;min-height:40px;letter-spacing:0}.course-reading-body li>p{margin:0}.course-reading-body li+li{margin-top:8px}.course-reading-body .course-resource-list{margin:12px 0 24px;padding-left:22px;list-style:disc}.course-resource-list li{padding-left:4px;margin:0}.course-resource-list li+li{margin-top:10px}.course-overview-lessons{margin-top:30px}.course-overview-lessons article,.course-overview-lessons article:last-of-type{border:0;padding:4px 0 28px 48px;position:relative}.course-overview-lessons article:not(:last-of-type):before{content:"";position:absolute;left:15px;top:36px;bottom:3px;width:1px;background:var(--line)}.course-overview-lessons article>a{margin-bottom:8px}.course-overview-lessons .course-lesson-index{position:absolute;left:0;top:1px;width:32px;height:32px;display:grid;place-items:center;color:var(--ink);font-size:18px}.course-overview-lessons article>a{align-items:center}.course-overview-lessons h3{font-size:26px}.course-overview-lessons p{margin:0}.course-authorship{border:0;margin-top:12px;padding-top:0}@media(max-width:480px){.course-overview-lessons h3{font-size:24px}}.course-reading-body p,.course-reading-body li,.course-overview-copy p,.course-overview-lessons p{text-wrap:pretty}.course-reader-controls{flex-wrap:wrap;row-gap:4px}.course-reading-options{margin-left:auto}.course-overview-lessons h3{text-wrap:pretty}
