.footer {
  background: var(--gradient-hero);
  color: var(--color-white);
}

.footer .footer__container {
  padding-top: 3rem;
  padding-bottom: 0;
}

.footer__information {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer__card {
  flex-basis: 250px;
  flex-grow: 1;
}

.footer__card-title {
  font-weight: 700;
  margin-bottom: 1rem;
  font-size: 1.3em;
  color: var(--color-secondary);
}

.footer__card-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.footer__card-item a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__card-item a:hover {
  color: var(--color-secondary-light);
}

.footer__card-list--follow {
  flex-direction: row;
  gap: 1.2rem;
}

.footer__card-list--follow a {
  font-size: 1.8em;
  display: inline-block;
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.footer__card-list--follow a:hover {
  transform: translateY(-3px);
  color: var(--color-secondary);
}

.footer__signature {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.5rem 0 2rem 0;
  text-align: center;
}

.footer__signature-copyright small {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9em;
}

/* WhatsApp Floating Button */
@keyframes float-whatsapp {
  0% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
  100% { transform: translateY(0); }
}

.whatsapp-fixed {
  background-color: #25D366;
  position: fixed;
  bottom: 30px;
  right: 30px;
  color: var(--color-white);
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-lg);
  z-index: 999;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-normal);
  animation: float-whatsapp 3s ease-in-out infinite;
}

.whatsapp-fixed:hover {
  background-color: #20b858;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.6);
}

.whatsapp-fixed i {
  font-size: 1.8em;
}

/* WhatsApp Mobile */
@media screen and (max-width: 768px) {
  .whatsapp-fixed span {
    display: none;
  }
  
  .whatsapp-fixed {
    padding: 0;
    width: 55px;
    height: 55px;
    justify-content: center;
    border-radius: 50%;
    bottom: 20px;
    right: 20px;
  }
  
  .whatsapp-fixed i {
    font-size: 2em;
    margin: 0;
  }
}