/* ==========================================================================
   Back to top
   ========================================================================== */

.back-to-top {
  position: fixed;
  right: 1rem;
  bottom: calc(1rem + env(safe-area-inset-bottom));
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  color: #fff;
  background: rgb(var(--color-brand));
  border: 0;
  cursor: pointer;
  box-shadow: 0 4px 16px rgb(0 0 0 / 25%);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.back-to-top:hover {
  transform: translateY(-2px);
}

.back-to-top[hidden] {
  display: none;
}

@media (min-width: 768px) {
  .back-to-top {
    right: 1.5rem;
    bottom: 1.5rem;
    width: 3rem;
    height: 3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .back-to-top {
    transition: none;
  }

  .back-to-top:hover {
    transform: none;
  }
}