@media (max-width: 560px) {
  .site-header {
    position: sticky;
    top: 0;
  }

  .header-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "brand cta"
      "nav nav";
    row-gap: 7px;
    column-gap: 12px;
    padding: 7px 0 9px;
  }

  .brand {
    grid-area: brand;
    width: 145px;
    min-width: 145px;
  }

  .header-cta {
    grid-area: cta;
    justify-self: end;
    min-height: 36px;
    padding: 0 12px;
    border-radius: 11px;
    font-size: .76rem;
  }

  .site-nav {
    grid-area: nav;
    width: 100%;
    display: grid;
    grid-template-columns: repeat(4, auto);
    justify-content: space-between;
    gap: 4px;
    font-size: .68rem;
    white-space: nowrap;
  }

  .nav-group { gap: 0; }
  .nav-toggle {
    width: 14px;
    height: 22px;
    border-radius: 6px;
  }
  .nav-toggle::before {
    width: 5px;
    height: 5px;
    border-right-width: 1.5px;
    border-bottom-width: 1.5px;
  }
  .nav-menu {
    font-size: .82rem;
    white-space: normal;
  }

  .hero {
    padding-top: 38px;
    padding-bottom: 28px;
  }

  #services.section {
    padding-top: 38px;
  }

  /* On a narrow screen, keep major section introductions on one left edge. */
  .section-heading.centered {
    margin-left: 0;
    margin-right: 0;
    text-align: left;
  }
}