/* Course pages put learning first; secondary context is grouped at the end. */
/* Text links stay identifiable before hover, across reading and account pages. */
.card a:not(.button):not(.study-tool):not(.history-row):not(.search-row),
.lesson-content a:not(.button), .source-link, .text-link, .quiet-link, .breadcrumb a {
  color: var(--forest);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}
.card a:not(.button):hover, .source-link:hover, .text-link:hover, .quiet-link:hover {
  color: #344b29;
  text-decoration-thickness: 2px;
}
body[data-page="course"] main { scroll-behavior: smooth; }
body[data-page="course"] section[id] { scroll-margin-top: 100px; }
body[data-page="course"] .back-link { text-decoration: underline; text-underline-offset: 4px; margin-top: 18px; }
body[data-page="course"] .course-intro { grid-template-columns: minmax(0, 1fr) 205px; gap: 40px; padding: 25px 0 30px; }
body[data-page="course"] .course-intro h1 { font-size: clamp(34px, 3.4vw, 48px); margin: 15px 0; }
body[data-page="course"] .course-intro p { max-width: 780px; margin-bottom: 18px; }
body[data-page="course"] .course-intro .hero-actions { margin-top: 24px; gap: 12px; }
body[data-page="course"] .course-identity { min-height: 195px; padding: 24px; border-radius: 22px; transform: rotate(2deg); }
body[data-page="course"] .course-identity strong { font-size: 38px; }
.course-jump-nav { display: flex; flex-wrap: wrap; gap: 8px; padding: 13px 0 25px; margin-bottom: 12px; border-bottom: 1px solid var(--line); }
.course-jump-nav a { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 10px 16px; font-size: 13px; font-weight: 550; border: 1px solid #dce3d2; border-radius: 10px; background: #f2f5ea; color: #4c643a; text-decoration: underline; text-underline-offset: 4px; }
.course-jump-nav a:hover { background: #e5edd8; border-color: #aabd93; }
.course-jump-nav .icon { width: 17px; height: 17px; }
.course-learning-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 30px; align-items: start; margin: 30px 0 42px; }
.course-learning-layout > * { min-width: 0; }
.course-lessons .section-heading { align-items: flex-start; margin-bottom: 22px; }
.course-lessons .section-heading h2 { font-size: 30px; }
.course-lessons .section-heading p { font-size: 14px; max-width: 620px; margin: 10px 0 0; }
.course-lessons .section-heading > .tag { flex-shrink: 0; margin-top: 28px; }
.course-study-sidebar { position: sticky; top: 24px; }
.course-study-sidebar .card { padding: 26px; }
.course-study-card { background: linear-gradient(145deg, #f4f7ed, #edf3e1); border-color: #d8e2c9; }
.course-study-card h2 { font-size: 27px; line-height: 1.2; margin: 15px 0; }
.course-study-card .next-lesson-title { font-size: 15px; line-height: 1.65; color: var(--ink); margin-bottom: 12px; }
.study-meta { display: flex; gap: 8px; align-items: center; font-size: 13px; color: var(--muted); margin-bottom: 20px; }
.study-meta .icon { width: 16px; height: 16px; }
.course-study-card .button { justify-content: space-between; gap: 10px; font-size: 13px; padding: 12px 16px; }
.course-study-card .fine-print { margin-top: 18px; margin-bottom: 0; }
.study-progress { margin-top: 24px; }
.study-progress > div { display: flex; gap: 10px; align-items: center; justify-content: space-between; font-size: 12px; }
.study-progress b { white-space: nowrap; }
.study-progress progress { margin: 10px 0 0; }
.course-practice-card h2 { font-size: 24px; margin: 14px 0; }
.course-practice-card p { font-size: 14px; }
.study-tool { display: flex; align-items: center; gap: 10px; padding: 14px 0; border-top: 1px solid var(--line); font-size: 14px; color: var(--forest); font-weight: 600; }
.study-tool > span { flex: 1; text-decoration: underline; text-underline-offset: 4px; }
.study-tool > .icon { width: 19px; height: 19px; }
.study-tool:hover { color: #344b29; }
.lesson-list .lesson-row { display: flex; align-items: flex-start; gap: 18px; padding: 24px; }
.lesson-row > div { min-width: 0; }
.lesson-row h3 { color: #435f32; text-decoration: underline; text-underline-offset: 4px; font-size: 17px; line-height: 1.5; margin: 0 0 8px; }
.lesson-row p { font-size: 13px; margin: 0 0 10px; line-height: 1.7; }
.lesson-row .lesson-row-meta { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: 12px; }
.lesson-row-meta .icon { width: 14px; height: 14px; }
.lesson-list .lesson-open { display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 9px 12px; margin-left: 4px; min-height: 38px; border: 1px solid #dce4cf; border-radius: 9px; background: #f1f5e8; color: #496437; font-size: 12px; font-weight: 600; flex-shrink: 0; white-space: nowrap; }
.lesson-open .icon { width: 16px; height: 16px; }
.lesson-next { background: #f3f7eb; box-shadow: inset 3px 0 0 #8ba763; }
.lesson-list .lesson-row.lesson-next > .lesson-open { color: white; background: #526c40; border-color: #526c40; }
.lesson-done .lesson-number { color: #496437; background: #e2ecd3; }
.lesson-group { padding: 20px 24px; border-bottom: 1px solid var(--line); background: #eff3e7; }
.lesson-group h3 { margin: 6px 0 0; font-size: 16px; }
.course-overview { padding: 34px; }
.course-overview h2 { margin: 15px 0 20px; font-size: 30px; }
.course-overview > p { max-width: 1000px; font-size: 15px; line-height: 1.85; }
.course-audience { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px; padding: 25px 0 8px; border-top: 1px solid var(--line); margin-top: 25px; }
.course-audience h3 { font-size: 16px; margin-bottom: 10px; }
.course-audience p { font-size: 14px; }
.course-overview > h3 { margin: 18px 0; }
.course-objectives { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 28px; margin-bottom: 0; }
.course-objectives li { display: flex; gap: 12px; align-items: flex-start; font-size: 14px; line-height: 1.8; }
.course-objectives .icon { width: 18px; height: 18px; margin-top: 4px; color: var(--forest); }
.course-domains { margin-bottom: 0; }
.course-domains > summary, .previous-versions > summary { display: flex; align-items: center; gap: 20px; list-style: none; cursor: pointer; font-size: 17px; font-weight: 600; }
.course-domains > summary::-webkit-details-marker, .previous-versions > summary::-webkit-details-marker { display: none; }
.course-domains > summary span { font-size: 13px; font-weight: 400; color: var(--muted); margin-left: auto; }
.course-domains > summary::after, .previous-versions > summary::after { content: '+'; color: var(--forest); font-size: 22px; margin-left: auto; }
.course-domains[open] > summary::after, .previous-versions[open] > summary::after { content: '−'; }
.course-domains[open] > summary { margin-bottom: 18px; }
.course-end-section { padding-top: 48px; }
.course-end-section .section-heading p { font-size: 15px; margin: 12px 0 0; }
.course-end-section .text-link { display: inline-flex; align-items: center; gap: 10px; margin: 0; padding: 8px 0; }
.related-paths { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.related-path { display: flex; align-items: flex-start; gap: 15px; padding: 25px; border: 1px solid var(--line); border-radius: 18px; background: var(--paper); box-shadow: var(--shadow); }
.related-path > div { min-width: 0; flex: 1; }
.related-path:hover { border-color: #aabd94; box-shadow: 0 12px 28px #3440290c; }
.related-path-icon { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 11px; background: #edf2e4; color: var(--forest); flex-shrink: 0; }
.related-path small { color: var(--muted); font-size: 11px; }
.related-path h3 { font-size: 17px; line-height: 1.6; margin: 9px 0 16px; }
.related-path-action { display: flex; gap: 10px; align-items: center; font-size: 13px; font-weight: 600; color: var(--forest); text-decoration: underline; text-underline-offset: 4px; }
.related-path-action .icon { width: 16px; height: 16px; }
.course-reference-layout { display: grid; grid-template-columns: minmax(0, 1fr) 310px; gap: 28px; }
.course-reference-layout > * { min-width: 0; }
.course-source-card > h3 { font-size: 19px; margin: 0 0 14px; }
.course-source-card > p + h3 { margin-top: 30px; }
.course-source-card > p { font-size: 14px; line-height: 1.8; }
.course-source-list { list-style: none; padding: 0; margin: 0; }
.course-source-list li { padding: 15px 0; border-bottom: 1px solid var(--line); }
.course-source-list a { display: inline-flex; align-items: flex-start; gap: 10px; font-size: 14px; line-height: 1.7; }
.course-source-list a .icon { width: 16px; height: 16px; margin-top: 4px; }
.course-source-list small { display: block; margin: 7px 0 0 26px; color: var(--muted); font-size: 12px; }
.external-link-mark { text-decoration: none; font-size: 17px; }
.more-sources { margin: 22px 0; }
.more-sources > summary { display: inline-flex; cursor: pointer; min-height: 44px; align-items: center; gap: 15px; border: 1px solid #d5dfc6; border-radius: 10px; background: #f1f5e9; padding: 10px 15px; color: var(--forest); font-size: 13px; font-weight: 600; list-style: none; }
.more-sources > summary::-webkit-details-marker { display: none; }
.more-sources > summary::after { content: '+'; font-size: 18px; }
.more-sources[open] > summary::after { content: '−'; }
.more-sources > .course-source-list { margin-top: 10px; }
.course-disclosure { padding-top: 22px; border-top: 1px solid var(--line); margin-top: 30px; }

/* Browser chrome reduces the usable height of a laptop screen considerably. */
@media (min-width: 851px) and (max-height: 850px) {
  body:not(.workspace) .site-header { height: 86px; }
  .landing-hero { min-height: 0; padding: 22px 0 35px; align-items: center; }
  .hero-copy h1 { font-size: clamp(48px, 4.5vw, 64px); margin: 20px 0; }
  .hero-copy > p { font-size: 16px; line-height: 1.7; max-width: 535px; }
  .hero-copy .hero-actions { margin-top: 24px; gap: 24px; }
  .hero-copy .hero-actions .button { min-height: 54px; padding: 14px 24px; font-size: 15px; min-width: 250px; }
  .hero-points { margin-top: 20px; font-size: 12px; }
  .learning-art { height: clamp(330px, calc(100svh - 180px), 500px); max-width: 500px; }
  .learning-step { padding: 24px; gap: 20px; }
  .learning-step > span { width: 46px; height: 46px; font-size: 17px; }
  .learning-step b { font-size: 28px; }
  .learning-step small { font-size: 9px; }
  .learning-step > .icon { width: 26px; height: 26px; }
  .floating-chip { padding: 12px 18px; font-size: 9px; }
  .art-spark { font-size: 75px; }
  .art-caption { font-size: 12px; bottom: -7%; }
}
@media (max-width: 1200px) {
  .course-learning-layout { grid-template-columns: minmax(0, 1fr) 270px; gap: 24px; }
  .course-study-sidebar .card { padding: 23px; }
  .lesson-list .lesson-row { padding: 22px; gap: 14px; flex-wrap: wrap; }
  .lesson-row > div { flex-basis: calc(100% - 60px); }
  .lesson-list .lesson-open { margin-left: 56px; }
  .related-paths { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 1000px) {
  .workspace .course-learning-layout, .course-reference-layout { grid-template-columns: minmax(0, 1fr); }
  .workspace .course-study-sidebar { position: static; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
  body[data-page="course"] .course-intro { grid-template-columns: minmax(0, 1fr) 175px; gap: 25px; }
  body[data-page="course"] .course-identity { min-height: 175px; padding: 22px; }
  body[data-page="course"] .course-identity strong { font-size: 32px; }
}
@media (max-width: 850px) {
  .course-learning-layout { grid-template-columns: minmax(0, 1fr); }
  .course-study-sidebar { position: static; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
  .lesson-list .lesson-row { flex-wrap: nowrap; }
  .lesson-row > div { flex-basis: auto; }
  .lesson-list .lesson-open { margin-left: 0; }
}
@media (max-width: 620px) {
  body[data-page="course"] .course-intro { grid-template-columns: minmax(0, 1fr); gap: 22px; padding: 20px 0 22px; }
  body[data-page="course"] .course-intro h1 { font-size: 35px; }
  body[data-page="course"] .course-identity { display: none; }
  .course-jump-nav { flex-wrap: nowrap; overflow-x: auto; padding: 10px 0 18px; gap: 8px; }
  .course-jump-nav a { flex-shrink: 0; font-size: 12px; padding: 10px 12px; }
  .course-learning-layout { margin-top: 24px; gap: 26px; }
  .course-lessons .section-heading { flex-wrap: nowrap; gap: 14px; }
  .course-lessons .section-heading h2 { font-size: 27px; }
  .course-lessons .section-heading p { font-size: 13px; }
  .course-lessons .section-heading > .tag { margin-top: 27px; }
  .lesson-list .lesson-row {
    display: grid;
    grid-template-columns: 32px minmax(0, 1fr) auto;
    grid-template-areas: "number title title" "summary summary summary" "meta meta action";
    padding: 22px 18px;
    gap: 14px 12px;
  }
  .lesson-list .lesson-row > div { display: contents; }
  .lesson-row > .lesson-number { grid-area: number; }
  .lesson-row h3 { grid-area: title; font-size: 17px; line-height: 1.5; margin: 2px 0 0; }
  .lesson-row p { grid-area: summary; font-size: 14px; line-height: 1.75; margin: 0; }
  .lesson-row .lesson-row-meta { grid-area: meta; align-self: center; flex-wrap: wrap; line-height: 1.5; }
  .lesson-list .lesson-open { grid-area: action; justify-self: end; margin: 0; min-height: 40px; padding: 8px 12px; font-size: 12px; }
  .lesson-group { padding: 20px; }
  .course-study-sidebar, .workspace .course-study-sidebar { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0; }
  .course-study-sidebar .card { padding: 26px; }
  .course-overview { padding: 26px; }
  .course-overview h2 { font-size: 28px; }
  .course-overview > p { font-size: 14px; }
  .course-audience { grid-template-columns: minmax(0, 1fr); gap: 8px; padding-top: 22px; }
  .course-objectives { grid-template-columns: minmax(0, 1fr); gap: 15px; }
  .course-domains > summary { font-size: 16px; gap: 12px; }
  .course-domains > summary span { display: none; }
  .course-end-section { padding-top: 36px; }
  .course-end-section .section-heading h2 { font-size: 29px; }
  .related-paths { grid-template-columns: minmax(0, 1fr); gap: 15px; }
  .related-path { padding: 22px; }
  .course-reference-layout { gap: 0; }
  .course-source-list a { font-size: 14px; }
  .course-jump-nav { scrollbar-width: thin; }
  .more-sources > summary { max-width: 100%; font-size: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  body[data-page="course"] main { scroll-behavior: auto; }
}