/* Course summaries share the existing transparent reading layout. */
body[data-page="course"] .course-intro { padding-bottom: 32px; }
.course-intro .course-hero-subtitle { margin: 14px 0 0; color: #c2d0ee; font-size: clamp(20px, 2.3vw, 28px); line-height: 1.4; letter-spacing: -.02em; }
body[data-page="course"] .course-intro .intro-copy { max-width: 62ch; }
.course-overview { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(260px, .8fr); gap: clamp(40px, 6vw, 88px); align-items: start; }
.course-summary, .course-sidebar { min-width: 0; }
.course-summary h2 { margin: 0 0 24px; color: #edf2fa; font-size: clamp(28px, 2.7vw, 36px); font-weight: 450; line-height: 1.2; letter-spacing: -.035em; }
.course-topic-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px 32px; list-style: none; padding: 0; margin: 0; }
.course-topic-list li { padding-top: 22px; border-top: 1px solid #7388b23d; }
.course-topic-list h3 { margin: 0 0 14px; color: #dce5f7; font-size: 23px; line-height: 1.25; font-weight: 450; letter-spacing: -.02em; }
.course-topic-list p { margin: 0; color: #b6becd; font-size: 16px; line-height: 1.75; }
.course-outcomes { margin-top: 42px; }
.course-outcomes ul { list-style: disc; margin: 0; padding-left: 20px; }
.course-outcomes li { padding-left: 6px; margin-bottom: 14px; color: #c2cada; font-size: 17px; line-height: 1.75; }
.course-outcomes li::marker { color: #99b3ef; }
.course-sidebar { padding: 24px 0 0 26px; border-top: 1px solid #7388b23d; border-left: 1px solid #7388b23d; }
.course-sidebar h2 { margin: 0 0 24px; font-size: 26px; line-height: 1.2; font-weight: 450; letter-spacing: -.025em; }
.course-sidebar h3 { margin: 26px 0 10px; font-size: 17px; line-height: 1.4; font-weight: 500; color: #dce5f7; }
.course-sidebar p { margin: 0; font-size: 15px; color: #b6becd; line-height: 1.75; }
.course-sidebar .course-facts { display: grid; gap: 18px; margin: 0; padding: 0; border: 0; }
.course-sidebar .course-facts dt { margin-bottom: 5px; font: 12px/1.6 var(--mono); color: #a7b6ce; }
.course-sidebar .course-facts dd { margin: 0; color: #dce5f7; font-size: 15px; line-height: 1.6; }
.course-sidebar .source-note { margin-top: 28px; padding-top: 20px; border-top: 1px solid #7388b23d; font-size: 13px; }
.course-sidebar .text-link { margin-top: 14px; }
.course-sibling { display: flex; justify-content: space-between; gap: 28px; align-items: center; border-top: 1px solid #7388b23d; }
.course-sibling h2 { margin: 10px 0 14px; font-size: clamp(28px, 2.8vw, 38px); line-height: 1.2; font-weight: 450; letter-spacing: -.035em; }
.course-sibling p { max-width: 60ch; font-size: 16px; line-height: 1.7; color: #b6becd; }
.course-sibling .button { flex: 0 0 auto; }
@media (max-width: 950px) {
  .course-overview { grid-template-columns: 1fr; gap: 38px; }
  .course-sidebar { padding: 26px 0 0; border-left: 0; max-width: 680px; }
}
@media (max-width: 700px) {
  .course-topic-list { grid-template-columns: 1fr; gap: 24px; }
  .course-summary h2 { font-size: 28px; }
  .course-outcomes li { font-size: 16px; }
  .course-sibling { flex-direction: column; align-items: flex-start; gap: 20px; }
  .course-sibling h2 { font-size: 30px; }
}