.zr-scroll-top-btn {
  --zr-scroll-top-size: 56px;
  position: fixed;
  right: 90px;
  bottom: 20px;
  z-index: 89;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--zr-scroll-top-size);
  height: var(--zr-scroll-top-size);
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  color: #111111;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.16);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  pointer-events: none;
  transition:
    opacity 0.28s ease,
    transform 0.28s ease,
    background-color 0.28s ease,
    color 0.28s ease,
    box-shadow 0.28s ease,
    visibility 0.28s ease;
}

.zr-scroll-top-btn.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.zr-scroll-top-btn:hover {
  background-color: #f44700;
  color: #ffffff;
  transform: translateY(0) scale(1.06);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}

.zr-scroll-top-btn:focus-visible {
  outline: 2px solid #f44700;
  outline-offset: 3px;
}

.zr-scroll-top-btn__icon {
  font-size: 20px;
  line-height: 1;
  font-weight: 700;
}

@media (max-width: 767px) {
  .zr-scroll-top-btn {
    --zr-scroll-top-size: 46px;
  }

  .zr-scroll-top-btn__icon {
    font-size: 18px;
  }
}



@media (max-width: 1024px) {
  .zr-scroll-top-btn {
    right: 33px;
    bottom: 12px;
  }
}