/* Efectos simples para cards y botones */
.card, .btn {
  transition: all 0.3s ease; /* Suave */
}

.card:hover {
  transform: translateY(-10px); /* Sube un poco */
  box-shadow: 0 10px 20px rgba(0,0,0,0.1); /* Sombra más fuerte */
}

.btn:hover {
  transform: scale(1.05); /* Crece un poco */
}

/* Para móvil (toque) */
@media (max-width: 768px) {
  .card:active, .btn:active {
    transform: scale(0.98);
  }
}
/* Efecto al tocar/clic */
.card:active, .btn:active {
  transform: scale(0.95);
  transition: transform 0.1s ease;
}
/* Botón volver arriba */
#back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: #007bff; /* Azul, cambia si quieres */
  color: white;
  border-radius: 50%;
  border: none;
  font-size: 24px;
  display: none; /* Oculto al inicio */
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
  cursor: pointer;
  z-index: 1000;
  transition: all 0.3s ease;
}

#back-to-top:hover {
  background: #0056b3;
  transform: scale(1.1);
}

#back-to-top.show {
  display: flex;
}
/* Links del footer más interactivos */
footer a, .footer a, .nav-link, .list-unstyled a {
  transition: all 0.3s ease;
  position: relative;
}

footer a:hover, .footer a:hover, .nav-link:hover, .list-unstyled a:hover {
  color: #007bff !important; /* Azul brillante, cambia si quieres */
  text-decoration: underline;
}

/* Icons sociales crecen un poco */
footer .social-icons a, footer i {
  transition: transform 0.3s ease;
}

footer .social-icons a:hover, footer i:hover {
  transform: scale(1.2);
}