/* The same section links move between the desktop sidebar and this disclosure.
   Without JavaScript, the original in-page table of contents remains usable. */
.case-menu { display: none; }
.case-menu[hidden], .case-menu-view[hidden], .case-menu-title-row[hidden], .case-menu-scroll[hidden], .case-menu-title-row [hidden] { display: none !important; }
.case-menu-toggle[hidden] { display: none; }
.case-menu-current[hidden], .case-menu-more[hidden] { display: none !important; }
.case-menu-label { display: flex; flex: 1; min-width: 0; flex-direction: column; justify-content: center; }
.case-menu-page { display: block; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; font: 500 10px/12px var(--sans); color: var(--muted); }
.case-menu-label .case-menu-current { font: 550 12px/16px var(--sans); }
.case-menu-label.is-single .case-menu-page { font: 550 12px/18px var(--sans); color: var(--ink); }
.case-menu-index { display: grid; gap: var(--grid-unit); }
.case-menu-item { display: flex; align-items: center; min-height: var(--control-height); padding: var(--space-2) var(--control-padding); gap: var(--space-2); border: 1px solid transparent; border-radius: var(--radius-nested-control); corner-shape: squircle; color: var(--muted); font: 13px/18px var(--sans); text-decoration: none; }
.case-menu-item .ui-icon { width: 18px; height: 18px; }
.case-menu-item [data-icon] { flex: 0 0 18px; }
.case-menu-item[aria-current='location'] { color: var(--accent); border-color: var(--line); background: color-mix(in srgb, var(--accent) 10%, var(--bg)); }
.case-menu-item:hover { color: var(--ink); background: var(--raised); }
.case-menu-more { display: block; width: 100%; min-height: 28px; padding: 4px 8px; border: 0; border-top: 1px solid var(--line); background: transparent; color: var(--muted); font: 11px/16px var(--sans); cursor: pointer; }
.case-header-slot { display: contents; }
.case-menu:not([hidden]) {
  display: block;
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  width: min(420px, calc(100vw - 48px));
  padding: var(--frame-inset);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius-nested-control) + var(--frame-inset));
  corner-shape: squircle;
  background: var(--bg);
  box-shadow: 0 12px 35px rgb(0 0 0 / .15);
  z-index: 2;
}
[data-design='contact'] .case-menu:not([hidden]) {
  background: color-mix(in srgb, var(--bg) 96%, transparent);
  border-color: var(--glass-edge);
  box-shadow: inset 0 1px 0 var(--glass-highlight), 0 12px 35px var(--glass-shadow);
  backdrop-filter: blur(28px) saturate(1.35);
  -webkit-backdrop-filter: blur(28px) saturate(1.35);
}
.work-nav-item { display: inline-flex; align-items: center; }
[data-design] .site-header .work-nav-item > a { padding-right: 4px; }
.work-menu-trigger { display: inline-flex; align-items: center; justify-content: center; padding: 0; width: 32px; min-height: 44px; flex-shrink: 0; border: 0; background: transparent; color: var(--ink); cursor: pointer; border-radius: var(--radius-nested-control); corner-shape: squircle; }
.work-menu-trigger .work-menu-chevron {
  display: block;
  width: 14px;
  height: 14px;
  flex: 0 0 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform .28s cubic-bezier(.2,.8,.2,1);
}
.work-menu-trigger[aria-expanded='true'] .work-menu-chevron { transform: rotate(180deg); }
.work-menu-trigger[aria-expanded='true'] { color: var(--accent) !important; }
.case-menu-title-row { display: flex; align-items: center; gap: var(--space-2); padding: 4px var(--control-padding) 0; min-height: 36px; }
[data-design] .site-header .case-menu-title {
  margin: 0;
  padding: 0;
  min-width: 0;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  line-height: 20px;
  letter-spacing: 0;
}
.case-menu-back, .case-menu-overview {
  padding: 0;
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: 12px/18px var(--sans);
  text-decoration: none;
  cursor: pointer;
}
.case-menu-back { margin-right: 4px; }
.case-menu-overview { margin-left: auto; }
.case-menu-scroll { max-height: min(360px, calc(100dvh - 180px)); overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; padding-top: var(--space-2); }
.case-menu-projects { display: grid; gap: var(--grid-unit); }
[data-design] .case-menu-project {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 64px;
  padding: var(--space-2) var(--control-padding);
  border: 1px solid transparent;
  border-radius: var(--radius-nested-control);
  corner-shape: squircle;
  text-decoration: none;
  color: var(--ink);
}
.case-menu-project > [data-icon] { flex: 0 0 18px; }
.case-menu-project .ui-icon { width: 18px; height: 18px; color: var(--muted); }
.case-menu-project > span:nth-child(2) { min-width: 0; }
.case-menu-project strong { display: block; font: 550 13px/19px var(--sans); }
.case-menu-project small { display: block; margin-top: 2px; font: 11px/16px var(--sans); color: var(--muted); }
.case-menu-project-arrow { margin-left: auto; color: var(--muted); }
.case-menu-project[aria-current='page'] { background: color-mix(in srgb, var(--accent) 10%, var(--bg)); border-color: var(--line); }
.case-menu-view:not([hidden]) { animation: menu-level-forward .24s cubic-bezier(.2,.8,.2,1); }
[data-view='sections'] .case-menu-view:not([hidden]) { animation-name: menu-level-back; }
@keyframes menu-level-forward { from { opacity: 0; transform: translateX(-12px); } to { opacity: 1; transform: none; } }
@keyframes menu-level-back { from { opacity: 0; transform: translateX(12px); } to { opacity: 1; transform: none; } }
.case-menu-back:hover, .case-menu-overview:hover, .case-menu-project:hover { color: var(--accent); }
.case-menu-project:hover { background: var(--raised); }
.case-menu a:focus-visible, .case-menu button:focus-visible { outline-offset: -3px; }
@media (max-width: 720px), (max-width: 1050px) and (max-height: 540px) {
  :root:has(.site-header.has-case-menu) { scroll-padding-top: calc(110px + var(--safe-top)); }
  .case-header-slot ~ main .case-layout { display: block; padding-top: 30px; }
  .case-header-slot { display: block; position: sticky; z-index: 30; top: var(--safe-top); overflow-anchor: none; }
  [data-design='contact'] .case-header-slot {
    top: calc(var(--floating-offset) + var(--safe-top));
    height: calc(var(--control-height) + 2 * var(--frame-inset) + 2px);
    width: calc(100% - 48px);
    max-width: 960px;
    margin: 18px auto 0;
  }
  [data-design='precision'] .case-header-slot { height: 96px; }
  [data-design] .case-header-slot > .site-header.has-case-menu {
    position: relative;
    top: 0;
    width: 100%;
    max-width: none;
    margin: 0;
  }
  @media (max-width: 720px) {
    [data-design='contact'] .case-header-slot { width: calc(100% - 24px); margin-top: 12px; }
    [data-design='precision'] .case-header-slot { height: 82px; }
  }
  [data-design] .case-menu:not([hidden]) { position: relative; top: auto; right: auto; width: auto; padding: 0; border: 0; border-radius: 0; background: transparent; box-shadow: none; backdrop-filter: none; -webkit-backdrop-filter: none; }
  [data-design] .case-menu-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    width: clamp(112px, 28vw, 220px);
    flex: 0 1 auto;
    min-width: 0;
    min-height: var(--control-height);
    margin: 0;
    padding: var(--control-padding);
    padding-block: 6px;
    border: 1px solid transparent;
    border-radius: var(--radius-nested-control);
    background: color-mix(in srgb, var(--raised) 48%, transparent);
    color: var(--ink);
    text-align: left;
    font-size: 12px;
    line-height: var(--control-content-height);
    cursor: pointer;
  }
  .case-menu-current {
    display: block;
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 550;
  }
  .case-menu-chevron {
    width: 16px;
    height: 16px;
    flex: 0 0 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: transform .28s cubic-bezier(.2,.8,.2,1);
  }
  .case-menu-toggle[aria-expanded='true'] .case-menu-chevron { transform: rotate(180deg); }
  .case-menu-toggle[aria-expanded='true'] { border-color: var(--line); }
  .case-menu-panel {
    display: grid;
    grid-template-rows: 0fr;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-6px);
    transform-origin: top center;
    transition: grid-template-rows .3s cubic-bezier(.2,.8,.2,1), opacity .2s, transform .3s cubic-bezier(.2,.8,.2,1), visibility 0s .3s;
  }
  .case-menu.is-open .case-menu-panel {
    grid-template-rows: 1fr;
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0s;
  }
  .case-menu-clip { min-height: 0; overflow: hidden; }
  .case-menu-shortcuts { padding-top: var(--space-2); }
  [data-design] .site-header .case-menu-shortcuts .nav { display: flex; width: 100%; gap: var(--space-2); }
  [data-design] .case-menu-shortcuts .work-nav-item { flex: 1; min-width: 0; height: var(--control-height); border: 1px solid var(--line); border-radius: var(--radius-nested-control); corner-shape: squircle; }
  [data-design] .site-header .case-menu-shortcuts .nav .work-nav-item > a { border: 0; padding-inline: 8px 0; min-height: calc(var(--control-height) - 2px); height: calc(var(--control-height) - 2px); }
  .case-menu-shortcuts .work-menu-trigger { width: 44px; min-height: calc(var(--control-height) - 2px); }
  [data-design] .site-header .case-menu-shortcuts .nav a {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    min-height: var(--control-height);
    height: var(--control-height);
    padding: var(--control-padding);
    border: 1px solid var(--line);
    border-radius: var(--radius-nested-control);
    color: var(--ink);
    font-size: 12px;
    text-decoration: none;
  }
  .case-menu-scroll {
    max-height: min(152px, calc(40dvh - 96px), calc(100dvh - var(--safe-top) - var(--safe-bottom) - 196px));
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: thin;
    padding-top: var(--space-2);
  }
  .case-menu-panel .case-aside {
    position: static;
    top: auto;
    padding: 0;
    margin: 0;
    border: 0;
  }
  .case-menu-panel .case-toc { display: grid; gap: var(--grid-unit); margin: 0; }
  [data-design] .case-menu-panel .case-toc a {
    display: flex;
    align-items: center;
    min-height: var(--control-height);
    gap: var(--space-2);
    padding: var(--space-2) var(--control-padding);
    border: 1px solid transparent;
    border-radius: var(--radius-nested-control);
    font-size: 13px;
    line-height: 18px;
    color: var(--muted);
  }
  .case-menu-panel .case-toc .ui-icon { width: 18px; height: 18px; }
  [data-design] .case-menu-panel .case-toc a[aria-current='location'] {
    color: var(--accent);
    border-color: var(--line);
    background: color-mix(in srgb, var(--accent) 10%, var(--bg));
  }
  [data-design] .case-menu-panel .case-toc .toc-detail a { padding-left: calc(var(--control-padding) + 30px); }
  @media (min-width: 520px) {
    .case-menu-panel .case-toc { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .case-menu-projects { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .case-menu-index { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  }
  .case-menu-toggle:focus-visible, .case-menu-panel a:focus-visible { outline-offset: -3px; }
  @media (hover: hover) {
    .case-menu-toggle:hover, .case-menu-panel .case-toc a:hover { background: var(--raised); color: var(--ink); }
  }
  /* The Contact Sheet header supplies the single glass material. Precision
     Grid keeps its original flat header, with the same section interaction. */
  [data-design='contact'] .site-header.has-case-menu .case-menu { position: relative; z-index: 1; }
  [data-design='precision'] .site-header.has-case-menu { padding-bottom: var(--space-2); }
  [data-design] .site-header.has-case-menu .case-menu-toggle { border-color: var(--line); }
}
@media (max-width: 480px) {
  .case-menu-shortcuts .site-nav-trigger { width: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  .case-menu-panel, .case-menu-chevron { transition: none; transform: none; }
  .case-menu-view:not([hidden]) { animation: none; }
}
@media (prefers-reduced-transparency: reduce), (prefers-contrast: more) {
  .case-menu-toggle { background: var(--raised); }
  [data-design='contact'] .case-menu:not([hidden]) { background: var(--bg); backdrop-filter: none; -webkit-backdrop-filter: none; }
}
@media (forced-colors: active) {
  [data-design] .case-menu-toggle, [data-design] .case-menu-panel .case-toc a { background: Canvas; color: ButtonText; border-color: ButtonText; }
  [data-design] .case-menu-panel .case-toc a[aria-current='location'] { color: HighlightText; background: Highlight; }
  [data-design] .case-menu:not([hidden]) { background: Canvas; color: CanvasText; border-color: CanvasText; box-shadow: none; backdrop-filter: none; -webkit-backdrop-filter: none; }
}