/* Course detail pages extend the existing purple/orange interior-page system. */
.course-detail-page { background: var(--surface); }
.course-detail-page section { scroll-margin-top: 112px; }
.course-detail-hero { padding: 42px 0 40px; }
.course-detail-hero nav { display: flex; align-items: center; gap: 14px; color: var(--muted); font-size: 12px; }
.course-detail-hero nav a:hover { color: var(--brand-purple); }
.course-detail-hero nav strong { font-weight: 600; color: var(--heading); }
.course-detail-hero-grid { display: grid; grid-template-columns: minmax(0,1.15fr) minmax(0,1fr); align-items: center; gap: 58px; margin-top: 38px; }
.course-status { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border: 1px solid rgba(126,22,252,.16); border-radius: 99px; background: var(--surface); color: var(--brand-purple); font-size: 11px; font-weight: 700; }
.course-status::before { width: 6px; height: 6px; border-radius: 50%; background: currentColor; content: ''; }
.course-detail-hero h1 { margin: 18px 0; color: var(--heading); font-size: clamp(36px,4.1vw,58px); line-height: 1.08; letter-spacing: -1.8px; }
.course-detail-hero-grid p { max-width: 58ch; margin: 0; font-size: 16px; line-height: 1.7; }
.course-hero-level { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 23px; font-size: 12px; }
.course-hero-level strong { color: var(--heading); }
.course-hero-level span { color: var(--muted); }
.course-hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px 24px; margin-top: 27px; }
.course-detail-page .course-action { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 16px; padding: 13px 20px; border-radius: 10px; background: linear-gradient(105deg,var(--brand-purple),var(--brand-orange)); color: #fff; font-size: 13px; font-weight: 700; line-height: 1.5; box-shadow: 0 10px 24px rgba(126,22,252,.12); transition: transform .2s,box-shadow .2s; }
.course-detail-page .course-action:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(126,22,252,.22); }
.course-text-link { color: var(--heading); font-size: 13px; font-weight: 600; }
.course-text-link span { margin-left: 8px; }
.course-detail-hero figure { overflow: hidden; margin: 0; border: 1px solid var(--line); border-radius: 20px; background: var(--surface); box-shadow: var(--shadow-lg); }
.course-detail-hero figure img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: contain; background: var(--surface-soft); }
.course-detail-hero figcaption { display: flex; justify-content: space-between; gap: 12px; padding: 17px 22px; color: var(--heading); font-size: 13px; font-weight: 700; }
.course-detail-hero figcaption span { color: var(--muted); font-size: 11px; font-weight: 500; }
.course-status-note { margin: 32px 0 0; padding-top: 21px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; line-height: 1.7; }
.course-detail-section { padding: 72px 0; }
.course-detail-tint { background: var(--surface-soft); }
.course-detail-heading { display: flex; align-items: baseline; gap: 18px; margin-bottom: 30px; }
.course-detail-heading > span { color: var(--brand-purple); font-size: 12px; font-weight: 750; }
.course-detail-heading h2 { margin: 0; color: var(--heading); font-size: clamp(26px,3vw,38px); line-height: 1.2; letter-spacing: -1px; }
.course-section-note { margin: -14px 0 28px; color: var(--muted); font-size: 14px; }
.course-outcome-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; margin: 0; padding: 0; list-style: none; }
.course-outcome-grid li { display: flex; align-items: flex-start; gap: 14px; padding: 24px; border: 1px solid var(--line); border-radius: 14px; color: var(--heading); font-size: 15px; line-height: 1.65; }
.course-outcome-grid li > span { display: grid; flex: 0 0 26px; height: 26px; place-items: center; border-radius: 8px; background: rgba(126,22,252,.08); color: var(--brand-purple); font-size: 13px; }
.course-fit-wrap { padding: 0 0 72px; background: var(--surface); }
.course-fit-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; }
.course-fit-card { padding: 30px; border: 1px solid var(--line); border-top: 3px solid var(--brand-purple); border-radius: 16px; background: var(--surface); }
.course-fit-consider { border-top-color: var(--brand-orange); background: var(--surface-soft); }
.course-fit-card .course-detail-heading { gap: 12px; margin-bottom: 20px; }
.course-fit-card h2 { font-size: 24px; letter-spacing: -.5px; }
.course-detail-list { display: grid; gap: 13px; margin: 0; padding: 0; list-style: none; }
.course-detail-list li { position: relative; padding-left: 20px; font-size: 15px; line-height: 1.75; }
.course-detail-list li::before { position: absolute; left: 0; top: .75em; width: 5px; height: 5px; border-radius: 50%; background: var(--brand-purple); content: ''; }
.course-fit-consider li::before { background: var(--brand-orange); }
.course-curriculum { overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); }
.course-module + .course-module { border-top: 1px solid var(--line); }
.course-module summary,.course-faq-list summary { display: flex; min-height: 76px; align-items: center; gap: 18px; padding: 20px 26px; cursor: pointer; list-style: none; }
.course-module summary::-webkit-details-marker,.course-faq-list summary::-webkit-details-marker { display: none; }
.course-module summary > span { color: var(--brand-purple); font-size: 12px; font-weight: 700; }
.course-module h3,.course-faq-list h3 { flex: 1; margin: 0; color: var(--heading); font-size: 17px; font-weight: 650; line-height: 1.5; }
.course-module summary > b,.course-faq-list summary > b { display: grid; flex: 0 0 24px; height: 24px; place-items: center; color: var(--brand-purple); font-size: 23px; font-weight: 400; line-height: 1; transition: transform .2s; }
.course-module[open] summary > b,.course-faq-list details[open] summary > b { transform: rotate(45deg); }
.course-module summary:hover,.course-faq-list summary:hover { background: color-mix(in srgb,var(--brand-purple) 4%,var(--surface)); }
.course-module[open] summary { background: color-mix(in srgb,var(--brand-purple) 4%,var(--surface)); }
.course-module .course-detail-list { padding: 8px 30px 28px 58px; }
.course-tool-scope { margin-top: 28px; padding: 28px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.course-tool-scope h3 { margin: 0 0 18px; color: var(--heading); font-size: 18px; }
.course-tool-scope ul { display: flex; flex-wrap: wrap; gap: 9px; margin: 0; padding: 0; list-style: none; }
.course-tool-scope li { padding: 7px 12px; border: 1px solid var(--line); border-radius: 8px; font-size: 12px; }
.course-tool-scope p { margin: 18px 0 0; color: var(--muted); font-size: 12px; }
.course-project-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 45px; }
.course-project-grid h3 { margin: 0 0 18px; color: var(--heading); font-size: 24px; line-height: 1.4; letter-spacing: -.5px; }
.course-project-grid p { max-width: 55ch; margin: 0; font-size: 15px; }
.course-project-output { padding: 30px; border: 1px solid rgba(126,22,252,.15); border-radius: 18px; background: color-mix(in srgb,var(--brand-purple) 4%,var(--surface)); }
.course-project-output h3 { font-size: 17px; letter-spacing: 0; }
.course-template-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 16px; }
.course-template-grid article { padding: 26px 22px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.course-template-grid article > span { display: inline-block; padding: 3px 9px; border: 1px solid var(--line); border-radius: 6px; color: var(--brand-purple); font-size: 12px; font-weight: 700; }
.course-template-grid h3 { margin: 20px 0 0; color: var(--heading); font-size: 16px; line-height: 1.6; }
.course-instructor { display: grid; grid-template-columns: 200px minmax(0,1fr); gap: 38px; align-items: center; }
.course-instructor img { width: 200px; height: 200px; object-fit: cover; border: 6px solid var(--surface); border-radius: 50%; }
.course-instructor h3 { margin: 0; color: var(--heading); font-size: 27px; }
.course-instructor strong { color: var(--brand-purple); font-size: 12px; font-weight: 600; }
.course-instructor p { max-width: 72ch; margin: 13px 0; font-size: 15px; }
.course-instructor nav { display: flex; flex-wrap: wrap; gap: 12px 24px; margin-top: 20px; }
.course-instructor nav a { min-height: 40px; padding: 6px 0; color: var(--brand-purple); font-size: 13px; font-weight: 650; }
.course-faq-list { overflow: hidden; border: 1px solid var(--line); border-radius: 16px; }
.course-faq-list details + details { border-top: 1px solid var(--line); }
.course-faq-list p { margin: 0; padding: 0 26px 25px; font-size: 15px; line-height: 1.8; }
.course-detail-page .course-final-cta { padding: 60px 0; }
.course-detail-page .course-final-cta .course-action { margin-top: 26px; background: #fff; color: #42107e; }
.course-detail-page .course-final-cta p { color: rgba(255,255,255,.9); font-size: 15px; }
.course-related-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.course-related-card { overflow: hidden; border: 1px solid var(--line); border-radius: 16px; transition: border-color .2s,box-shadow .2s; }
.course-related-card:hover { border-color: var(--brand-purple); box-shadow: var(--shadow-lg); }
.course-related-card img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: contain; background: var(--surface-soft); }
.course-related-card > div { padding: 25px; }
.course-related-card small { color: var(--brand-purple); font-size: 11px; }
.course-related-card h3 { margin: 6px 0 10px; color: var(--heading); font-size: 25px; }
.course-related-card p { margin: 0; font-size: 14px; line-height: 1.7; }
.course-related-card div > span { display: inline-block; margin-top: 22px; color: var(--brand-purple); font-size: 13px; font-weight: 700; }
.course-detail-page :is(a,summary):focus-visible { outline: 3px solid var(--brand-purple); outline-offset: 4px; border-radius: 6px; }
.course-detail-page :is(p,h1,h2,h3,li,a) { overflow-wrap: anywhere; }
@media (max-width: 960px) {
  .course-detail-hero-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .course-detail-hero h1 { font-size: 40px; }
  .course-outcome-grid { grid-template-columns: 1fr 1fr; }
  .course-template-grid { grid-template-columns: 1fr 1fr; }
  .course-project-grid { gap: 24px; }
}
@media (max-width: 700px) {
  .course-detail-hero { padding: 28px 0; }
  .course-detail-hero-grid { grid-template-columns: 1fr; gap: 28px; margin-top: 25px; }
  .course-detail-hero h1 { font-size: 37px; letter-spacing: -1.2px; }
  .course-detail-hero-grid p { font-size: 15px; }
  .course-detail-section { padding: 46px 0; }
  .course-detail-heading { gap: 12px; margin-bottom: 24px; }
  .course-detail-heading h2 { font-size: 27px; letter-spacing: -.6px; }
  .course-fit-wrap { padding-bottom: 46px; }
  .course-fit-grid,.course-project-grid,.course-related-grid { grid-template-columns: 1fr; }
  .course-outcome-grid { grid-template-columns: 1fr; gap: 10px; }
  .course-outcome-grid li,.course-fit-card,.course-project-output { padding: 22px; }
  .course-module summary,.course-faq-list summary { gap: 12px; padding: 18px; }
  .course-module .course-detail-list { padding: 7px 20px 22px 30px; }
  .course-faq-list p { padding: 0 18px 22px; }
  .course-instructor { grid-template-columns: 1fr; gap: 22px; }
  .course-instructor img { width: 120px; height: 120px; }
  .course-template-grid { gap: 12px; }
  .course-template-grid article { padding: 18px; }
  .course-template-grid h3 { font-size: 14px; }
  .course-hero-actions { gap: 16px; }
  .course-hero-actions .course-action { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  .course-detail-page * { transition: none !important; }
  .course-detail-page .course-action:hover { transform: none; }
}