@media (max-width: 1024px) {
  html.treas-mobile-nav-open,
  body.treas-mobile-nav-open {
    overflow: hidden;
  }

  nav.mm.block-system-menublock.primary {
    display: none;
  }

  nav.mm.block-system-menublock.primary.open {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #ffffff;
    z-index: 10000;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 88px 16px 28px 16px;
  }

  nav.mm.block-system-menublock.primary.open > ul.nav-menu {
    display: block;
    padding: 0;
    margin: 0;
  }

  nav.mm.block-system-menublock.primary.open .search--mobile {
    border-bottom: 1px solid #e6e6e6;
    padding: 0 0 16px 0;
    margin: 0 0 12px 0;
  }

  nav.mm.block-system-menublock.primary.open .search--mobile input[type="text"],
  nav.mm.block-system-menublock.primary.open
    .search--mobile
    input[type="search"] {
    width: 100%;
    max-width: none;
    box-sizing: border-box;
  }

  nav.mm.block-system-menublock.primary.open > ul.nav-menu > li.nav-item {
    border-bottom: 1px solid #e6e6e6;
  }

  nav.mm.block-system-menublock.primary.open a.mm-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 18px;
    line-height: 1.25;
    padding: 14px 0;
    text-decoration: none;
  }

  nav.mm.block-system-menublock.primary.open a.mm-top::after {
    content: "›";
    font-size: 22px;
    opacity: 0.7;
  }

  nav.mm.block-system-menublock.primary.open .sub-nav {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #ffffff;
    z-index: 10001;
    transform: translateX(100%);
    transition: transform 180ms ease;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  nav.mm.block-system-menublock.primary.open .sub-nav.open {
    transform: translateX(0);
  }

  nav.mm.block-system-menublock.primary.open .mobile-sub-nav {
    position: sticky;
    top: 0;
    z-index: 1;
    background: #0b3d91;
    color: #ffffff;
    padding: 14px 16px;
    font-weight: 700;
    cursor: pointer;
  }

  nav.mm.block-system-menublock.primary.open
    .mobile-sub-nav
    .field--name-title {
    color: #ffffff;
    display: inline-block;
  }

  nav.mm.block-system-menublock.primary.open .mobile-sub-nav::before {
    content: "‹ Back";
    display: inline-block;
    margin-right: 12px;
    font-weight: 700;
  }

  nav.mm.block-system-menublock.primary.open .mobile-scroll-wrap {
    padding: 16px 0 28px 0;
  }

  nav.mm.block-system-menublock.primary.open .mobile-scroll-wrap h2,
  nav.mm.block-system-menublock.primary.open .mobile-scroll-wrap h3 {
    margin-top: 0;
  }

  button.burger.is-expanded {
    position: fixed;
    top: 18px;
    left: 16px;
    z-index: 10002;
    background: #ffffff;
    border-radius: 10px;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.25);
    padding: 10px;
  }

  #header {
    position: sticky;
    top: 0;
    z-index: 10003;
  }
}