@media (max-width: 1040px) {
  .hero-grid,
  .two-column,
  .contact-grid,
  .card-grid,
  .promise-grid,
  .three-up,
  .footer-grid,
  .cta-banner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 940px) {
  .menu-toggle {
    display: flex;
  }

  .nav-shell {
    position: relative;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.75rem);
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.8rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(16, 40, 68, 0.08);
    border-radius: 24px;
    box-shadow: 0 22px 50px rgba(11, 29, 46, 0.16);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a.active::after {
    display: none;
  }
}

@media (max-width: 720px) {
  .hero,
  .page-hero,
  .section {
    padding: 3.5rem 0 2.5rem;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .button,
  .button-secondary {
    width: 100%;
  }

  .cta-row,
  .card-actions {
    flex-direction: column;
  }

  .hero h1,
  .page-hero h1 {
    font-size: clamp(2.2rem, 10vw, 3.2rem);
  }
}