hic-et-nunc/assets/css/src/_mobile.scss

@media screen and (max-width: 1000px) {
  :root {
    --slider-height: 66vh;
    --font-size-XL: 12.5vw;
    --font-size-L: 1.5rem;
    --font-size-S: 0.75rem;
  }

  header:has(+ main > .projects-index > .selected) {
    display: none;
  }

  .project-slideshow-container {
    position: fixed;
    top: 0;
    width: 100vw;
    left: 0;
    margin: 0;
    height: var(--slider-height);
    button.all-projects-closer {
      display: none;
    }
  }

  .project-slideshow {
    inset: 0;
    width: auto;
    height: auto;
    picture {
      inset: 0;
      position: absolute;
      img {
        width: 100%;
        height: 100%;
        object-fit: cover;
      }
    }
  }

  .main-title {
    font-size: var(--font-size-XL);
    line-break: strict;
    left: -0.65vw;
    position: relative;
    top: var(--main-title-top);
    margin-top: var(--body-margin);
    line-height: 0.75;
  }

  .project-toggler.grid {
    grid-template-columns: 2fr 2fr 1fr;
    width: 100%;
  }

  .fix {
    display: block;
  }

  main {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: var(--font-size-XL) var(--body-margin) var(--body-margin)
      var(--body-margin);
    box-sizing: border-box;
  }

  main:has(nav li.selected) {
    top: var(--slider-height);
    padding-top: 0;
  }

  .main-menu {
    display: none;
  }

  #mobile-menu {
    justify-content: center;
    align-items: center;
    inset: 0;
    ul,
    h1 {
      z-index: 4;
    }
    .backdrop {
      inset: 0;
      background-color: white;
      opacity: calc(1 - var(--low-opacity));
      position: absolute;
      z-index: 3;
      cursor: pointer;
    }
    .title-nav {
      position: absolute;
      line-break: strict;
      left: -0.65vw;
      top: var(--main-title-top);
      margin-top: var(--body-margin);
      line-height: 0.75;
    }
    ul {
      display: flex;
      font-size: var(--font-size-L);
    }
  }

  #mobile-menu-wrapper {
    position: fixed;
    bottom: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    z-index: 4;
  }

  #mobile-menu.visible {
    display: flex;
  }

  button#mobile-menu-toggle {
    font-size: var(--font-size-XL);
    position: fixed;
    bottom: 0;
    height: var(--font-size-XL);
    line-height: var(--font-size-XL);
    display: block;
    margin: 0 auto;
  }

  header:hover ~ main {
    opacity: 1;
    transition-duration: 0;
  }

  .main-title:hover {
    opacity: 1;
    transition-duration: 0;
  }

  .main-title:has(+ nav:hover) {
    opacity: 1;
    transition-duration: 0;
  }

  #home-slideshow img:not(.slide.active img) {
    display: none;
  }

  .close-button.closer {
    position: fixed;
    top: var(--slider-height);
    margin-top: calc(-2.3 * (var(--line-height-S)));
    right: var(--body-margin);
    font-size: var(--font-size-L);
    cursor: pointer;
    mix-blend-mode: difference;
    color: var(--mix-blend-color);
  }

  .close-button.closer::before {
    content: "Fermer";
  }

  .selected .toggle {
    display: block;
  }

  .mix-blend-bg {
    inset: 0;
    background-color: white;
    width: auto;
    z-index: -1;
    height: var(--slider-height);
  }

  nav ul li a {
    text-decoration: none;
  }

  [data-template="home"] nav ul li .nav-item-home {
    text-decoration: underline;
  }

  [data-template="index"] nav ul li .nav-item-projects {
    text-decoration: underline;
  }

  [data-template="infos"] nav ul li .nav-item-about {
    text-decoration: underline;
  }

  body[data-template="home"] {
    #mobile-menu-wrapper {
      color: var(--mix-blend-color);
      mix-blend-mode: difference;
    }

    header:has(+ main > #mobile-menu.visible) {
      display: none;
    }
  }

  body[data-template="index"] {
    main {
      z-index: 2;
    }
    .filter-menu {
      padding-top: 0;
    }

    ul.projects-index {
      position: absolute;
      top: 0;

      box-sizing: border-box;
      width: calc(100vw - var(--body-margin));
      height: 100vh;
      overflow: auto;

      padding-right: 1.5rem;
      padding-top: calc(var(--font-size-XL) + (var(--line-height-S) * 1));
      padding-bottom: calc(var(--font-size-XL));
    }

    ul.projects-index:has(.selected) {
      top: var(--slider-height);

      height: calc(100vh - var(--slider-height));

      padding-top: var(--line-height-S);
      padding-bottom: calc(var(--font-size-XL));
    }

    .selected .fix:hover + .toggle {
      display: block;
    }

    .fix:hover + .toggle {
      display: none;
    }

    .selected .fix:hover .slide-number {
      display: block;
    }

    .slide-number {
      position: fixed;
      top: var(--slider-height);
      margin-top: calc(-2 * (var(--line-height-S)));
      left: var(--body-margin);
      padding-right: 0;
    }
  }

  body[data-template="infos"] {
    main {
      padding-top: var(--font-size-XL);
    }
  }
}

@media (max-width: 687px) {
  [data-template="infos"] div {
    padding-right: var(--body-margin);
    width: calc(100% - var(--body-margin));
  }
}