@media screen and (max-width: 850px) {
  section:is(.home, .ours) {
    grid-template-columns: var(--square) 7fr;
    grid-template-rows: var(--square) auto auto var(--square);
    min-height: 100vh;
    grid-template-areas:
      ".   side-content-header"
      "header   main"
      "header   side-content"
      "empty-column  .";
  }

  /* section:is(.home, .ours) :is(.empty-column) {
    display: none;
  } */
  section:is(.home, .ours) header>div {
    writing-mode: vertical-rl;
    transform: rotate(-180deg);
    border-bottom: solid var(--border-width) black;
  }

  section:is(.home, .ours) header {
    border-right: solid var(--border-width) black;
  }

  section:is(.home, .ours) header h2 {
    padding: calc(var(--square) *0.5) 0;
  }

  section:is(.home, .ours) header h2:first-child {
    padding-left: unset;
  }

  section:is(.home, .ours) header h2:last-child {
    margin-top: auto;
    margin-left: unset;
  }

  section:is(.home, .ours) :is(.square:nth-child(5), .square:nth-child(6)) {
    display: none;
  }

  section.home>.square-absolute:nth-of-type(9){
    background-color: var(--violet);
    top: 25.5vh;
    left: calc(100vw - var(--square)*2);
  }

  section.home>.square-absolute:nth-of-type(10){
    background-color: var(--green);
    top: calc(25.5vh + var(--square));
    left: calc(100vw - var(--square));
  }

  section.content {
    grid-template-columns: var(--square) var(--square) 7fr;
    grid-template-rows: var(--square) calc(100vh - calc(var(--square) * 2)) var(--square);
    grid-template-areas:
      "square1  square2  main"
      "tabs     nav  main"
      "square3  square4 main";
  }

  section.content :is(.empty-footer, .empty-column, .empty-side-footer, .square:nth-child(5)) {
    display: none;
  }

  section.home>.square:nth-child(4), section.content>.square:nth-of-type(2) {
    border-left: unset;
  }

  section.content main {
    grid-template-columns: 7fr;
  }

  section.content h1.part-title {
    grid-column: span 1;
  }

  section.content .text-content {
    grid-column: 1;
  }

  section.content nav.tabs {
    width: calc(100vh - calc(var(--square) * 2));
    /* writing-mode: vertical-rl; */
  }

  section.content nav.tabs ul {
    z-index: 101;
    background-color: white;
    flex-direction: row-reverse;
    transform-origin: top right;
    transform: rotate(-90deg);
    position: relative;
    left: calc(calc(100vh - calc(var(--square) * 2 - var(--border-width))) * -1);
    border-bottom: solid var(--border-width) var(--brown);
  }

  section.content nav.tabs li.menu-nav h2 {
    padding: 0 calc(var(--square)*0.25);
  }

  section.content :is(nav.side) {
    border-left: unset;
  }

  section.content main {
    border-top: unset !important;
  }

  section.content nav.side {
    cursor: pointer;
    width: 50vw;
    background-color: white;
    z-index: 100;
    transform: translateX(calc(-50vw + var(--square)));
    transition: all 0.5s ease-out;
    overflow: clip;
    border-right: solid var(--border-width) var(--brown);
  }

  section.content nav.side .square {
    border-right: unset;
  }

  section.content nav.side.active {
    transform: translateX(0);
    overflow: scroll;
  }

  section.content nav.side>ol>li.menu-nav div.wrap {
    flex-direction: row-reverse;
    justify-content: space-between;
  }

  section.content nav.side>ol>li.menu-nav>ol>li>div.wrap {
    margin-right: calc(var(--square) - 2px);
    border-right: solid var(--border-width) var(--brown);
    margin-left: unset;
    border-left: unset;
    justify-content: flex-end;
  }

  section.content nav.side .square.filler {
    display: none;
  }




  section:is(.ours, .home) :is(.side-content, .side-content-header) {
    border-left: unset;
  }

  section.web2print {
    grid-template-areas: "square1 header header header . "
      "empty-column main main main main"
      "square2 empty-footer empty-footer empty-side-footer square4";
  }

  section.web2print :is(.side-content-header, .side-content, .square:nth-child(3)) {
    display: none;
  }
}