.scroll-controls {
  position: fixed;
  right: var(--available-right);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 15px;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.3s ease,
    right 0.45s cubic-bezier(0.34, 1.1, 0.64, 1);
}

body[data-page="home"] .scroll-controls {
  opacity: 1;
  pointer-events: all;
}

.scroll-btn {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: none;
  background: #fff;
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.13);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.15s ease;
}

.scroll-btn svg {
  display: none;
}

.scroll-btn::before {
  content: "";
  width: 13px;
  height: 13px;
  border: solid #000;
  border-width: 0 3px 3px 0;
  border-radius: 2px;
  transform: rotate(-135deg);
}

.scroll-btn--down::before {
  transform: rotate(45deg);
}

.scroll-btn:hover {
  background: rgba(0, 0, 0, 0.04);
  transform: scale(1.06);
}