/* Estado normal de la tarjeta */
.tarjeta {
  background: #ffffff;
  border: 1px solid rgba(0,0,0,0.05);  
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

/* Efecto al pasar el ratón */
.tarjeta:hover {
  transform: translateY(-6px);
  box-shadow: 0 10px 24px rgba(0,0,0,0.15);
  background: #f8fafc; /* tono ligeramente distinto */
}