/* Фильтр «Проблемы и проблемные зоны» — в стиле altero-med.ru */
.problems-filter { margin: 0 0 40px; }
.problems-filter__list {
  display: flex; flex-wrap: wrap; gap: 12px;
}
.problems-filter__btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 24px;
  font-family: var(--font-main), sans-serif;
  font-size: 16px; font-weight: 700; line-height: 1.2;
  color: var(--main);
  background: var(--background);
  border: 1px solid var(--background);
  border-radius: 10px;
  text-decoration: none; white-space: nowrap; cursor: pointer;
  transition: background .25s, color .25s, border-color .25s;
}
.problems-filter__btn:hover {
  border-color: var(--main);
  color: var(--main-hover);
  text-decoration: none;
}
.problems-filter__btn.active,
.problems-filter__btn.active:hover {
  background: var(--main);
  border-color: var(--main);
  color: var(--white);
}
#problems-filter-area #pdopage { transition: opacity .25s; }
#problems-filter-area.is-loading #pdopage { opacity: .35; pointer-events: none; }
.problems-filter__empty { grid-column: 1 / -1; color: var(--gray); font-size: 17px; }

@media (max-width: 992px) {
  .problems-filter { margin-bottom: 28px; }
  .problems-filter__list {
    flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch;
    padding-bottom: 8px; margin: 0 -15px; padding-left: 15px; padding-right: 15px;
    scrollbar-width: none;
  }
  .problems-filter__list::-webkit-scrollbar { display: none; }
  .problems-filter__btn { padding: 10px 18px; font-size: 15px; }
}