/* Keep the mobile menu in the visible viewport, with every destination available. */
@media screen and (max-width: 767px) {
  .l-navi {
    height: 100vh;
    height: 100dvh;
    max-height: 100vh;
    max-height: 100dvh;
    align-items: stretch;
    overflow: hidden;
  }

  .l-navi-scroll {
    width: 100%;
    height: 100%;
    max-height: none;
    min-height: 0;
    box-sizing: border-box;
    padding: calc(76px + env(safe-area-inset-top, 0px))
      max(20px, env(safe-area-inset-right, 0px))
      calc(20px + env(safe-area-inset-bottom, 0px))
      max(20px, env(safe-area-inset-left, 0px));
    /* Normal phone sizes fit without scrolling. Keep zoomed text reachable. */
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: thin;
  }

  .l-navi-list {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    grid-template-rows: repeat(5, min-content);
    column-gap: clamp(18px, 5vw, 30px);
    row-gap: clamp(12px, 2.2vh, 20px);
    align-content: start;
    width: 100%;
    margin: 0;
  }

  .l-navi-list > .l-navi-item {
    min-width: 0;
    margin: 0;
    padding: 0;
    border: 0;
  }

  .l-navi-list > .l-navi-item + .l-navi-item:not(.l-navi-sub-item) {
    margin: 0;
    padding: 0;
    border: 0;
  }

  .l-navi-list > [data-nav-section="philosophy"] { grid-area: 1 / 1; }
  .l-navi-list > [data-nav-section="about"] { grid-area: 1 / 2; }
  .l-navi-list > [data-nav-section="experiences"] { grid-area: 2 / 1; }
  .l-navi-list > [data-nav-section="work"] { grid-area: 2 / 2 / 6 / 3; }
  .l-navi-list > [data-nav-section="approach"] { grid-area: 3 / 1; }
  .l-navi-list > [data-nav-section="contact"] { grid-area: 4 / 1; }
  .l-navi-list > .aether-language-item { grid-area: 5 / 1; }

  .l-navi-link {
    display: flex;
    align-items: center;
    min-height: 30px;
    line-height: 1.2;
  }

  .l-navi-link-txt {
    font-size: clamp(18px, 4.8vw, 23px);
    line-height: 1.2;
    letter-spacing: -.025em;
    white-space: normal;
    overflow-wrap: break-word;
  }

  .l-navi-sub { margin-top: 8px; }
  .l-navi-sub-list { display: grid; gap: 5px; }
  .l-navi-sub-item { min-width: 0; }
  .l-navi-sub-link {
    min-height: 26px;
    padding: 3px 0;
    box-sizing: border-box;
  }

  .l-navi-sub-link-txt {
    font-size: clamp(12px, 3.2vw, 14px);
    font-weight: 400;
    line-height: 1.25;
    letter-spacing: 0;
    opacity: .82;
  }

  html[lang="zh-Hans"] .l-navi-sub-link-txt {
    font-size: clamp(13px, 3.5vw, 15px);
    line-height: 1.3;
  }

  .l-navi-link:focus-visible {
    outline: 2px solid currentColor;
    outline-offset: 3px;
    border-radius: 3px;
  }

  .l-navi .language-switch { gap: 12px; }
  .l-navi .language-switch .l-navi-link {
    justify-content: center;
    min-width: 32px;
    min-height: 32px;
  }

  .l-navi-logo {
    top: calc(22px + env(safe-area-inset-top, 0px));
    left: max(20px, env(safe-area-inset-left, 0px));
    width: 116px;
  }

  .l-menu {
    top: calc(16px + env(safe-area-inset-top, 0px));
    right: max(16px, env(safe-area-inset-right, 0px));
  }
}

/* Small phones retain readable links without the original large section gaps. */
@media screen and (max-width: 767px) and (max-height: 650px) {
  .l-navi-scroll {
    padding-top: calc(68px + env(safe-area-inset-top, 0px));
    padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
  }
  .l-navi-list { column-gap: 16px; row-gap: 10px; }
  .l-navi-link { min-height: 26px; }
  .l-navi-link-txt { font-size: 18px; }
  .l-navi-sub { margin-top: 5px; }
  .l-navi-sub-list { gap: 3px; }
  .l-navi-sub-link { min-height: 24px; padding: 2px 0; }
  .l-navi-sub-link-txt { font-size: 12px; line-height: 1.2; }
  html[lang="zh-Hans"] .l-navi-sub-link-txt { font-size: 13px; line-height: 1.25; }
}

/* In landscape the wider project column can use two columns of its own. */
@media screen and (max-width: 767px) and (max-height: 480px) and (orientation: landscape) {
  .l-navi-scroll {
    padding-top: calc(62px + env(safe-area-inset-top, 0px));
    padding-bottom: calc(10px + env(safe-area-inset-bottom, 0px));
  }
  .l-navi-list {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 2.15fr);
    grid-template-rows: repeat(4, min-content);
    column-gap: 20px;
    row-gap: 8px;
  }
  .l-navi-list > [data-nav-section="philosophy"] { grid-area: 1 / 1; }
  .l-navi-list > [data-nav-section="about"] { grid-area: 2 / 1; }
  .l-navi-list > [data-nav-section="approach"] { grid-area: 3 / 1; }
  .l-navi-list > [data-nav-section="contact"] { grid-area: 4 / 1; }
  .l-navi-list > [data-nav-section="experiences"] { grid-area: 1 / 2 / 4 / 3; }
  .l-navi-list > .aether-language-item { grid-area: 4 / 2; }
  .l-navi-list > [data-nav-section="work"] { grid-area: 1 / 3 / 5 / 4; }
  .l-navi-list > [data-nav-section="work"] .l-navi-sub-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 12px;
  }
  .l-navi-link-txt { font-size: 17px; }
  .l-navi-sub-link-txt { font-size: 11px; }
  html[lang="zh-Hans"] .l-navi-sub-link-txt { font-size: 12px; }
}