/* ==========================================================================
   Surf Coast Academy — course.css
   Course detail page (course.html), rendered by js/course.js.
   ========================================================================== */
.breadcrumb {
  font-size: var(--text-sm);
  color: var(--muted);
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: 0.35rem;
  color: var(--line-strong);
}

.breadcrumb a:hover {
  color: var(--ink);
}

.breadcrumb [aria-current] {
  color: var(--ink);
}

.course-hero {
  background: var(--paper-2);
  padding-top: clamp(1.5rem, 4vw, 3rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

.course-hero__grid {
  display: grid;
  gap: var(--space-7);
  align-items: start;
}

.course-hero__body {
  display: grid;
  gap: var(--space-5);
}

.course-hero__title {
  font-size: clamp(2.25rem, 1.4rem + 3.4vw, 4rem);
  max-width: 16ch;
}

.course-hero__meta {
  font-size: var(--text-sm);
}

/* Enrol panel */
.enrol {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.enrol__media {
  border-radius: 0;
}

.enrol__body {
  display: grid;
  gap: 0.75rem;
  padding: clamp(1.25rem, 3vw, 1.75rem);
}

.enrol__price {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.enrol__price .price {
  font-size: 2rem;
  letter-spacing: -0.02em;
}

.enrol__price span:last-child {
  font-size: var(--text-sm);
  color: var(--muted);
}

.enrol__includes {
  display: grid;
  gap: 0.6rem;
  margin-top: 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: var(--text-sm);
  color: var(--ink-2);
}

.enrol__includes li {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
}

.enrol__includes svg {
  width: 1rem;
  height: 1rem;
  flex: none;
  margin-top: 0.2rem;
  color: var(--accent);
}

@media (min-width: 900px) {
  .course-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: clamp(3rem, 6vw, 6rem);
  }

  .enrol {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
  }
}

/* Two-column content sections */
.course-section {
  display: grid;
  gap: var(--space-6);
}

.course-section__aside {
  display: grid;
  gap: 0.75rem;
  align-content: start;
}

.course-section__aside .h2 {
  max-width: 14ch;
}

.course-section__aside .body-muted {
  max-width: 30ch;
  font-size: var(--text-sm);
}

@media (min-width: 900px) {
  .course-section {
    grid-template-columns: 5fr 7fr;
    gap: var(--space-8);
  }
}

/* Outcomes */
.outcomes {
  display: grid;
  gap: 1rem;
}

.outcomes li {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  padding: 1.125rem 0;
  border-top: 1px solid var(--line);
  font-size: 1.0625rem;
  font-weight: 500;
}

.outcomes li:last-child {
  border-bottom: 1px solid var(--line);
}

.outcomes svg {
  width: 1.125rem;
  height: 1.125rem;
  flex: none;
  margin-top: 0.3rem;
  color: var(--accent);
}

/* Outline */
.outline {
  border-top: 1px solid var(--line-strong);
}

.outline__item {
  display: grid;
  grid-template-columns: 2.5rem 1fr auto;
  align-items: baseline;
  gap: 1rem;
  padding: 1.125rem 0;
  border-bottom: 1px solid var(--line-strong);
}

.outline__num {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.outline__title {
  font-weight: 600;
  letter-spacing: -0.01em;
}

.outline__lessons {
  font-size: var(--text-sm);
  color: var(--muted);
  white-space: nowrap;
}

.outline__lectures {
  grid-column: 2 / -1;
  margin: 0.25rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}

.outline__lecture {
  font-size: var(--text-sm);
  color: var(--muted);
  list-style: none;
}

/* Instructor */
.teacher {
  display: grid;
  gap: var(--space-6);
  align-items: center;
}

.teacher__media {
  max-width: 420px;
  border-radius: var(--radius-md);
}

.teacher__body {
  display: grid;
  gap: 0.75rem;
}

.teacher__role {
  color: var(--muted);
  margin-top: -0.25rem;
}

.teacher__bio {
  max-width: 52ch;
  color: var(--ink-2);
}

@media (min-width: 900px) {
  .teacher {
    grid-template-columns: 4fr 8fr;
    gap: clamp(3rem, 6vw, 6rem);
  }
}


.outline__lectures {
  grid-column: 1 / -1;
  margin: 0.5rem 0 0;
  padding-left: 3.25rem;
  display: grid;
  gap: 0.35rem;
}

.outline__lecture {
  font-size: var(--text-sm);
  color: var(--muted);
  list-style: none;
}

/* Outline as an accordion: click a section to reveal its lessons */
.outline__item {
  display: block;
  padding: 0;
}

.outline__summary {
  display: grid;
  grid-template-columns: 2.5rem 1fr auto 1.25rem;
  align-items: baseline;
  gap: 1rem;
  padding: 1.125rem 0;
  cursor: pointer;
  list-style: none;
}

.outline__summary::-webkit-details-marker {
  display: none;
}

.outline__summary:hover .outline__title {
  color: var(--accent);
}

.outline__summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 4px;
}

.outline__chevron {
  width: 1.25rem;
  height: 1.25rem;
  align-self: center;
  color: var(--muted);
  transition: transform var(--dur-fast) var(--ease-out);
}

.outline__details[open] .outline__chevron {
  transform: rotate(180deg);
}

.outline__details .outline__lectures {
  margin: 0 0 1.125rem;
  padding-left: 4.5rem;
  gap: 0.5rem;
}

.outline__details .outline__lecture {
  list-style: disc;
  color: var(--ink-2);
}