/* Топ-курсы: сетка карточек */
.l-courses { padding: var(--space-xl) 0; }
.l-courses__title {
  font: 700 1.5rem/1.3 var(--font-serif);
  color: var(--color-text);
  margin-bottom: var(--space-lg);
}
.l-courses__grid { }
.l-courses__row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}
.l-courses__row:last-child { margin-bottom: 0; }
.l-courses__card {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100px;
  padding: var(--space-md);
  font-size: 14px;
  line-height: 1.4;
  text-align: center;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color var(--transition), background var(--transition);
}
.l-courses__card:hover {
  border-color: var(--color-primary);
  background: #fdf8fd;
  color: var(--color-text);
}
.l-courses__card--wide {
  grid-column: 1 / -1;
  min-height: 200px;
  position: relative;
  overflow: hidden;
}
.l-courses__cover {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
}
.l-courses__card--wide:hover .l-courses__cover { opacity: 1; }
.l-courses__caption {
  position: relative;
  z-index: 1;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-bg);
  text-shadow: 0 1px 2px rgba(0,0,0,0.5);
}

@media (min-width: 600px) {
  .l-courses__row { grid-template-columns: repeat(3, 1fr); }
  .l-courses__row:first-child .l-courses__card--wide { grid-column: span 1; }
}