@media (max-width: 1023px) {
  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .nav-cta {
    display: none;
  }
}

@media (max-width: 767px) {
  .grid-3,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .nav-toggle {
    display: inline-block;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--colour-border);
    padding: 0.75rem 1rem;
    flex-direction: column;
  }

  .nav-menu.open {
    display: flex;
  }
}