.courses-subnav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 2rem 0.65rem 0.75rem;
  background: var(--navy);
  color: var(--white);
}

.courses-subnav-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.courses-back {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  color: var(--white);
  text-decoration: none;
  border-radius: 4px;
}

.courses-back:hover {
  background: rgba(255, 255, 255, 0.12);
}

.courses-back svg {
  width: 1.25rem;
  height: 1.25rem;
}

.courses-subnav-title {
  font-size: 1.15rem;
  font-weight: 600;
}

.courses-subnav-icons {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.courses-subnav-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border: none;
  background: transparent;
  color: var(--white);
  cursor: pointer;
  border-radius: 4px;
}

.courses-subnav-icon:hover {
  background: rgba(255, 255, 255, 0.12);
}

.courses-subnav-icon svg {
  width: 1.15rem;
  height: 1.15rem;
}

.courses-main {
  max-width: 56rem;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 3rem;
}

.courses-accordion {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.courses-section-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.85rem 1rem;
  border: none;
  background: var(--navy);
  color: var(--white);
  font: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.courses-chevron {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  transition: transform 0.2s;
}

.courses-section.is-open .courses-chevron {
  transform: rotate(180deg);
}

.courses-section-panel {
  background: var(--white);
}

.courses-subgroup {
  padding: 0.75rem 0.75rem 1.25rem;
}

.courses-subgroup-title {
  margin: 0 0 0.85rem;
  padding: 0.55rem 0.75rem;
  background: var(--baby-blue);
  color: var(--navy);
  font-size: 0.9rem;
  font-weight: 600;
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.courses-card {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: 0;
  border: 2px solid transparent;
  background: var(--white);
  cursor: pointer;
  text-align: center;
}

.courses-card.is-selected {
  border-color: var(--navy);
}

.courses-card-thumb {
  display: block;
  aspect-ratio: 4 / 3;
  background-size: cover;
  background-position: center;
}

.courses-card-thumb--image {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  background: none;
}

@media (max-width: 640px) {
  .courses-subnav {
    padding: 0.65rem 1rem;
  }

  .courses-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}