.catalog-nav {
  font-family: sans-serif;
}

.catalog-nav__title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}

.catalog-nav__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.catalog-nav__item {
  border-bottom: 1px solid #ccc;
}

.catalog-nav__link {
  display: block;
  padding: 20px 0;
  color: #000;
  font-size: 20px;
  transition: color 0.3s;
}

.catalog-nav__link--active {
  color: #215b74;
  text-decoration: underline;
}