.c-catalog {
  padding-block: 56px;
}

.c-catalog-state {
  position: relative;
}

.c-catalog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.c-catalog-grid > .c-course-card {
  height: 100%;
}

@media (hover: none) {
  .c-course-card:hover {
    box-shadow: none;
    transform: none;
  }
}

@media (min-width: 768px) {
  .c-catalog-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (min-width: 1024px) {
  .c-catalog-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}

.c-catalog__header {
  display: grid;
  gap: 16px;
  margin-bottom: 24px;
}

.c-course-card {
  transition: opacity 200ms ease;
}

.c-course-card.is-hidden {
  display: none;
}

.c-course-card[hidden] {
  display: none;
}

.c-catalog-empty {
  padding: 48px 16px;
}

.c-catalog-empty__inner {
  max-width: 360px;
  margin: 0 auto;
  text-align: center;

  display: grid;
  gap: 12px;
}

.c-catalog-empty__title {
  font-size: 1.1rem;
  margin: 0;
}

.c-catalog-empty__text {
  font-size: 0.9rem;
  color: var(--color-muted);
}

.c-catalog-empty__action {
  margin-top: 8px;

  height: 44px;
  padding: 0 20px;
  border-radius: var(--radius-pill);

  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);

  font-size: 0.9rem;
}

@media (min-width: 768px) {
  .c-catalog-empty {
    padding: 64px 0;
  }
}