.course-outline {
  --co-ink: #16222b;
  --co-muted: #415762;
  --co-line: #cbd9de;
  --co-paper: #fff;
  --co-tint: #f1f5f6;
  --co-accent: #08677b;
  color: var(--co-ink);
  font: inherit;
  line-height: 1.6;
  max-width: 1080px;
  margin-inline: auto;
}
.course-outline *, .course-outline *::before, .course-outline *::after { box-sizing: border-box; }
.course-outline__header { margin-bottom: 24px; }
.course-outline__eyebrow, .course-outline__number { color: var(--co-accent); font-weight: 700; margin: 0 0 6px; }
.course-outline h2 { font-size: clamp(1.5rem, 4vw, 2.1rem); margin: 0 0 8px; line-height: 1.25; }
.course-outline h3 { font-size: 1.3rem; margin: 0 0 10px; line-height: 1.3; }
.course-outline h4 { font-size: 1.05rem; margin: 0 0 10px; }
.course-outline__meta, .course-outline__intro { margin: 6px 0; color: var(--co-muted); }
.course-outline__modules, .course-outline__steps { list-style: none; margin: 0; padding: 0; }
.course-outline__modules { display: grid; gap: 20px; }
.course-outline__card { min-width: 0; border: 1px solid var(--co-line); border-radius: 10px; padding: 24px; background: var(--co-paper); }
.course-outline__objective { max-width: 80ch; margin: 0 0 20px; }
.course-outline__steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.course-outline__step { min-width: 0; padding: 16px; background: var(--co-tint); border-radius: 6px; }
.course-outline__step p { margin: 0 0 10px; overflow-wrap: anywhere; }
.course-outline__pages { font-weight: 700; }
.course-outline__edition, .course-outline__limit, .course-outline__optional, .course-outline__status, .course-outline__credits { font-size: .9rem; color: var(--co-muted); }
.course-outline__example + .course-outline__example { border-top: 1px solid var(--co-line); margin-top: 18px; padding-top: 18px; }
.course-outline__example-title { font-weight: 700; }
.course-outline__credits { margin-bottom: 12px; }
.course-outline__credits summary { cursor: pointer; padding-block: 8px; min-height: 44px; }
.course-outline__source { display: block; color: var(--co-accent); min-height: 44px; padding-block: 8px; overflow-wrap: anywhere; }
.course-outline__action { min-height: 44px; padding: 10px 16px; border: 1px solid var(--co-accent); border-radius: 5px; background: var(--co-accent); color: #fff; font: inherit; font-weight: 600; cursor: pointer; }
.course-outline__action:disabled { background: #e3eaed; border-color: #c5d1d7; color: #4a5d66; cursor: default; }
.course-outline__action:focus-visible, .course-outline__source:focus-visible, .course-outline__credits summary:focus-visible { outline: 3px solid #f5a800; outline-offset: 3px; }
.course-outline__action + .course-outline__status { margin-top: 8px; margin-bottom: 0; }
@media (max-width: 820px) {
  .course-outline__steps { grid-template-columns: 1fr; }
  .course-outline__card { padding: 18px; }
}
@media (forced-colors: active) {
  .course-outline__card, .course-outline__step { border: 1px solid CanvasText; }
  .course-outline__action { border: 1px solid ButtonText; }
}