.contact-bubble {
  position: fixed;
  top: 50%;
  right: 20px;
  transform: translateY(-50%);
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bubble {
  width: 55px;
  height: 55px;
  color: white;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  text-decoration: none;
  box-shadow: 0 6px 12px rgba(0,0,0,0.25);
  transition: transform 0.3s ease, box-shadow 0.3s ease, opacity 0.3s ease;
  font-size: 24px;
}

.bubble:hover {
  transform: scale(1.15);
  box-shadow: 0 8px 16px rgba(0,0,0,0.35);
  opacity: 0.95;
}

.telefono {
  background-color: #007bff; /* azul estándar para teléfono */
}

.whatsapp {
  background-color: #25D366;
}

.email {
  background-color: #D44638; /* Gmail rojo */
}

.facebook {
  background-color: #1877F2;
}

.instagram {
  background: radial-gradient(circle at 30% 107%, 
    #fdf497 0%, 
    #fdf497 5%, 
    #fd5949 45%, 
    #d6249f 60%, 
    #285AEB 90%);
}

.bubble i {
  display: block;
  width: 24px;
  height: 24px;
  line-height: 24px;
  text-align: center;
}

.facebook {
  background-color: #1877F2; /* azul oficial de Facebook */
}

.tiktok {
  background: #000000; /* Fondo negro */
  color: white;
  border: 3px solid transparent;
  background-image: linear-gradient(#000000, #000000), 
                    linear-gradient(45deg, #25F4EE, #FE2C55);
  background-origin: border-box;
  background-clip: content-box, border-box;
}