/*
 * HARNESS global primary-navigation contract.
 * Loaded after every page stylesheet so route changes never recalculate the
 * four top-level tabs from page-specific responsive rules.
 */

body:is(.page-home, .page-business, .page-system, .page-framework, .page-template) > .site-header {
  height: var(--header-h);
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: 1fr;
  column-gap: clamp(36px, 5vw, 86px);
  padding-inline: var(--gutter);
}

body:is(.page-home, .page-business, .page-system, .page-framework, .page-template) > .site-header > .brand {
  grid-column: 1;
  grid-row: 1;
  align-self: center;
}

.site-header > .site-nav {
  grid-column: 2;
  grid-row: 1;
  display: flex;
  justify-self: end;
  align-self: stretch;
  width: auto;
  min-width: 0;
  gap: var(--site-nav-gap);
  overflow: visible;
}

.site-header > .site-nav > a {
  display: flex;
  flex: 0 0 auto;
  font-size: var(--site-nav-font-size);
}

.site-header > .system-tree-toggle,
.site-header > .framework-tree-toggle {
  display: none;
}

@media (max-width: 1120px) {
  :root,
  .page-home,
  .page-business,
  .page-system,
  .page-framework,
  .page-template {
    --header-h: 112px;
  }

  body:is(.page-home, .page-business, .page-system, .page-framework, .page-template) > .site-header {
    grid-template-columns: minmax(0, 1fr) max-content;
    grid-template-rows: 54px 58px;
    column-gap: 16px;
    padding: 0 24px;
  }

  body:is(.page-home, .page-business, .page-system, .page-framework, .page-template) > .site-header > .brand {
    grid-column: 1;
    grid-row: 1;
    align-self: center;
  }

  .site-header > .site-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-self: end;
    align-self: stretch;
    width: auto;
    max-width: 100%;
    gap: var(--site-nav-gap);
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
  }

  .site-header > .site-nav::-webkit-scrollbar { display: none; }

  .site-header > .site-nav > a,
  .site-header > .site-nav > a.is-active {
    display: flex;
    flex: 0 0 auto;
    font-size: var(--site-nav-font-size);
  }

  .site-header > .system-tree-toggle,
  .site-header > .framework-tree-toggle {
    position: static;
    grid-column: 2;
    grid-row: 1;
    align-self: center;
    justify-self: end;
    display: inline-flex;
    margin: 0;
    visibility: visible;
    opacity: 1;
  }
}

@media (max-width: 720px) {
  body:is(.page-home, .page-business, .page-system, .page-framework, .page-template) > .site-header { padding-inline: 18px; }

  body:is(.page-home, .page-business, .page-system, .page-framework, .page-template) > .site-header > .brand {
    gap: 9px;
    font-size: 17px;
  }

  body:is(.page-home, .page-business, .page-system, .page-framework, .page-template) > .site-header > .brand img {
    width: 28px;
    height: 28px;
    flex-basis: 28px;
  }

  .site-header > .site-nav { gap: 18px; }
  .site-header > .site-nav > a,
  .site-header > .site-nav > a.is-active { font-size: 13px; }
}

@media (max-width: 420px) {
  .site-header > .brand span { font-size: 12px; }
  .site-header > .site-nav { gap: 10px; }
  .site-header > .site-nav > a,
  .site-header > .site-nav > a.is-active { font-size: 11.5px; }
  .site-header > .system-tree-toggle span,
  .site-header > .framework-tree-toggle span { display: none; }
}