/* Ajusta tamanho geral */
.wifi-anim{
  width: 82px;   /* TAMANHO IGUAL BRISNET */
  height: 82px;
  margin: 0 auto 16px;
}

.wifi-svg{
  width: 100%;
  height: 100%;
}

/* Todas barras começam invisíveis */
.wifi-bar{
  opacity: 0;
  transform-origin: center;
  animation: wifiBlink 2.2s infinite ease-in-out;
}

/* Atrasos para fazer aparecer 1 → 2 → 3 → 4 */
.bar-1{ animation-delay: 0s; }
.bar-2{ animation-delay: .3s; }
.bar-3{ animation-delay: .6s; }
.bar-4{ animation-delay: .9s; }

@keyframes wifiBlink {
  0%{ opacity: 0; transform: scale(.8); }
  30%{ opacity: 1; transform: scale(1); }
  60%{ opacity: 1; }
  100%{ opacity: 0; transform: scale(1.1); }
}