/* Core-site header only. App/product headers and workbook quick actions are excluded. */
body > nav.site-header,
body > nav.site-header * { box-sizing: border-box; }
body > nav.site-header {
  --site-header-inner-height: 63px;
  position: sticky;
  inset: 0 auto auto;
  z-index: 100;
  width: 100%;
  min-height: 64px;
  margin: 0;
  padding: 0;
  background: #0a0e17;
  border: 0;
  border-bottom: 1px solid #273449;
  color: #e2e8f0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
  backdrop-filter: none;
}
body > nav.site-header > .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: nowrap;
  gap: .75rem;
  width: min(1120px, 100%);
  max-width: 1120px;
  min-height: 63px;
  height: auto;
  margin: 0 auto;
  padding: .5rem 1rem;
}
body > nav.site-header a { text-decoration: none; }
body > nav.site-header .logo {
  flex: none;
  color: #e2e8f0;
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.5;
  letter-spacing: .12em;
  white-space: nowrap;
}
body > nav.site-header .nav-links {
  display: flex;
  position: static;
  align-items: center;
  flex-wrap: nowrap;
  gap: 1.1rem;
  width: auto;
  margin: 0;
  padding: 0;
  background: none;
  border: 0;
  font-size: .85rem;
}
body > nav.site-header .nav-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0;
  color: #b9c5d8;
  font-weight: 500;
  white-space: nowrap;
}
body > nav.site-header .nav-links a:hover {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: .2em;
}
body > nav.site-header .menu-toggle {
  display: none;
  flex: none;
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  margin: 0;
  padding: 0;
  border: 1px solid #475569;
  border-radius: .5rem;
  background: #111827;
  color: #e2e8f0;
  font: inherit;
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
}
body > nav.site-header :is(a, button):focus-visible {
  outline: 3px solid #fbbf24;
  outline-offset: 3px;
}
/* navigation.css owns the <=860px disclosure/no-JS visibility. */