.footer {
  background-color: var(--navbar-bg); /* más similar al navbar */
  color: var(--fg-color);
  border-top: 3px solid var(--border-color);
  font-size: 1rem;
  box-shadow: 0 -2px 8px var(--shadow-color);
  
  position: relative;
  z-index: 1;
}

.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 12px;
  background-color: var(--primary-color);
  opacity: 0.25;
  pointer-events: none;
}

.footer-title,
.footer h6#devd {
  font-family: "Product Sans";
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.footer-columns {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-bottom: 2rem;
  background-color: var(--bg-hover-color); /* sutil contraste */
  padding: 1.5rem;
  border-radius: 1rem;
  box-shadow: 0 4px 10px rgba(0,0,0,0.04);
}

@media (min-width: 768px) {
  .footer-columns {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

.footer-column {
  flex: 1;
  min-width: 200px;
}

.footer-column h5 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
  color: var(--fg-color);
}

.footer-column ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-column ul li {
  margin-bottom: 0.5rem;
}

.footer-column ul li a {
  color: var(--fg-color);
  text-decoration: none;
  
}

.footer-column ul li a:hover {
  color: var(--primary-color);
  text-shadow: 0 0 4px currentColor;
}

.footer-bottom {
  font-size: 0.9rem;
  opacity: 0.85;
  text-align: center;
  border-top: 1px solid var(--divider-color);
}

.footer-bottom a {
  font-weight: 600;
  text-decoration: none;
  color: var(--fg-color);
  
}

.footer-bottom a:hover {
  text-shadow: 0 0 5px currentColor;
  color: var(--primary-color);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1rem;
  border-radius: 1rem;
  font-size: 0.95rem;
  background-color: var(--contact-info-bg);
  color: var(--primary-color);
  box-shadow: 0 4px 10px var(--shadow-color);
  
}

.contact-info a {
  font-weight: 600;
  text-decoration: none;
  color: var(--primary-color);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  
}

.contact-info a:hover {
  /*transform: translateX(8px);*/
  color: var(--secondary-color);
}

.contact-info .fa-icon {
  font-size: 1.2rem;
  color: var(--primary-color);
}

.heart-anim {
  display: inline-block;
  animation: heartbeat 1.5s infinite ease-in-out;
}

@keyframes heartbeat {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.15);
  }
}
