.scroll-btn .arrow-down {
  display: inline-block;
  margin-left: 6px;
  animation: bounce 1.2s infinite;
}

/* Pohyb šipky dolů */
@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(5px);
  }
  60% {
    transform: translateY(3px);
  }