@keyframes accordionFadeUp {
  0% {
    opacity: 0.2;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.service-item-acordeon .acordeon-serv-description {
  display: none;
  opacity: 0;
  transform: translateY(8px);
}

.service-item-acordeon.is-open .acordeon-serv-description {
  display: block;
  animation: accordionFadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.service-item-acordeon .acordeon-serv-description {
  display: none;
}
.service-item-acordeon .ico-acordeon.close {
  display: none;
}
.service-item-acordeon.is-open .acordeon-serv-description {
  display: block;
}
.service-item-acordeon.is-open .ico-acordeon.open {
  display: none;
}
.service-item-acordeon.is-open .ico-acordeon.close {
  display: block;
}

/* imagens do acordeon: por padrão todas escondidas, só a .is-visible aparece */
.image-service-acordeon-item {
  display: none;
}
.image-service-acordeon-item.is-visible {
  display: block;
}