.video-sound-btn {
  position: absolute;
  bottom: 25px;
  right: 25px;
  z-index: 5;
  padding: 11px 17px;
  border: 1px solid #e8bd65;
  border-radius: 30px;
  background: rgba(17, 17, 17, 0.87);
  color: #ffe4a0;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: background .2s, transform .2s;
}

.video-sound-btn:hover {
  background: #b88b31;
  color: #111;
  transform: translateY(-2px);
}

@media (max-width: 640px) {
  .video-sound-btn {
    bottom: 18px;
    right: 15px;
    padding: 9px 12px;
    font-size: 11px;
  }
}