.wg-sound {
  position: fixed;
  right: 5rem;
  bottom: 87px;
  z-index: 1150;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  background: none;
  border: 0;
  border-radius: 0;
  color: rgba(232, 232, 228, 0.85);
  font-family: 'Neuepower', 'neue-haas-grotesk-display', Arial, sans-serif;
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  line-height: 1;
  cursor: none;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition: color 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.wg-sound__ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.wg-sound__ico svg {
  width: 100%;
  height: 100%;
  display: block;
}

.wg-sound:hover { color: #fb0301; }

.wg-sound.is-on { color: #fb0301; }

.wg-sound__txt { display: none; }

.wg-sound.is-on .wg-sound__ico {
  animation: wg-sound-pulse 2.6s ease-in-out infinite;
}

@keyframes wg-sound-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@media (max-width: 900px) {
  .wg-sound {
    right: 1rem;
    bottom: 1rem;
    padding: 0.55rem 0.7rem;
  }
  .wg-sound__txt {
    display: none;
  }
}