@media (max-width: 820px) {
  .site-header {
    background: var(--paper);
    backdrop-filter: none;
  }

  .header-call {
    gap: 9px;
  }

  .header-call span {
    display: block;
    font-size: 0;
  }

  .header-call span::after {
    content: "Volať";
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 1px;
  }
}