/* ==========================================================================
   Course Pages — Browse Courses + Course Details layouts
   ========================================================================== */

/* ---- Browse Courses: Search Bar (enhanced variant) ---- */

.course-search {
  padding-top: clamp(2rem, 1.472rem + 2.254vw, 3.5rem);
  padding-bottom: clamp(2rem, 1.472rem + 2.254vw, 3rem);
}

.course-search .search-input input {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

/* ---- Course Card Grid ---- */

.course-grid {
  padding-bottom: var(--space-section-y);
}

.course-grid__list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-card-gap);
}

.course-grid .meta-row {
  margin-top: auto;
  padding-top: 0.75rem;
}

@media (max-width: 60rem) {
  .course-grid__list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 30rem) {
  .course-grid__list {
    grid-template-columns: 1fr;
  }
}

/* ---- Empty State ---- */

.course-empty {
  padding-bottom: var(--space-section-y);
}

/* ---- Course Details: Header ---- */

.course-header {
  padding-block: var(--space-section-y);
}

.course-header__inner {
  display: grid;
  grid-template-columns: 1fr clamp(16rem, 12.84rem + 13.52vw, 23.75rem);
  gap: var(--space-content-gap);
  align-items: start;
}

.course-header__main {
  display: flex;
  flex-direction: column;
  gap: clamp(0.75rem, 0.574rem + 0.751vw, 1rem);
}

.course-header__main .badge {
  align-self: flex-start;
}

.course-header__main h1 {
  font-size: var(--text-h2-alt);
}

.course-header__main > p {
  font-size: clamp(0.938rem, 0.894rem + 0.188vw, 1.063rem);
  color: var(--color-text-body);
  line-height: var(--leading-body);
}

@media (max-width: 60rem) {
  .course-header__inner {
    grid-template-columns: 1fr;
  }
}

/* ---- Purchase Sidebar ---- */

.purchase-sidebar {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 1.148rem + 1.502vw, 2rem);
  box-shadow: var(--shadow-floating);
  position: sticky;
  top: calc(var(--size-nav-h) + 1.5rem);
}

.purchase-sidebar__price {
  font-family: var(--font-heading);
  font-size: var(--text-price);
  font-weight: var(--weight-bold);
  color: var(--color-primary-dark);
  margin-bottom: 0.25rem;
}

.purchase-sidebar__access {
  font-size: var(--text-small);
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.purchase-sidebar__terms {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.purchase-sidebar .btn {
  width: 100%;
}

.purchase-sidebar__link {
  display: block;
  text-align: center;
  margin-top: 1rem;
  font-size: var(--text-small);
}

.purchase-sidebar__link a {
  color: var(--color-primary-dark);
  font-weight: var(--weight-semibold);
}

.purchase-sidebar__link a::after {
  content: ' \2192';
}

/* ---- What You'll Learn Section ---- */

.learn-section {
  background-color: var(--color-bg-alt);
  padding-block: var(--space-section-y);
}

.learn-section h2 {
  font-size: var(--text-h3-lg);
  margin-bottom: var(--space-content-gap);
}

/* ---- Course Content (Accordion Section) ---- */

.course-content {
  padding-block: var(--space-section-y);
}

.course-content__summary {
  font-size: var(--text-body);
  color: var(--color-text-muted);
  margin-bottom: var(--space-content-gap);
}

.course-content__summary span {
  margin: 0 0.25rem;
  color: var(--color-separator);
}

/* ---- Reviews & Related Placeholder Sections ---- */

.reviews-section {
  background-color: var(--color-bg-alt);
  padding-block: var(--space-section-y-sm);
}

.related-section {
  padding-block: var(--space-section-y-sm);
}