.cta {
  background: var(--navy-900);
  color: var(--on-dark);
  border-radius: var(--radius-lg);
  padding: clamp(2.25rem, 1.5rem + 3vw, 3.5rem);
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.cta h2 { color: var(--on-dark); }
.cta p { color: var(--on-dark-soft); max-width: 46ch; margin-inline: auto; }
.cta .btn-group { justify-content: center; margin-top: 1.75rem; }