.matricula-popup {
  position: fixed;
  left: var(--space-3);
  bottom: var(--space-3);
  z-index: 95;
  max-width: 18rem;
  background: #fff;
  border: var(--border-w) solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  box-shadow: var(--shadow-lift);
  font-family: var(--font-heading);
  font-weight: 800;
  opacity: 0;
  transform: translateY(1rem);
  transition: opacity .3s ease, transform .3s ease;
}
.matricula-popup.is-visible { opacity: 1; transform: translateY(0); }
.matricula-popup a { color: var(--color-primary-dark); display: block; }
.matricula-popup .cerrar {
  position: absolute;
  top: -.6rem; right: -.6rem;
  width: 1.8rem; height: 1.8rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: .9rem;
  line-height: 1;
}