/* Ported from PR #3 website/app/floating-header.css. Physical inline-axis properties were converted to logical ones for RTL. */
/* Keep the original header's space so collapsing never shifts the page. */
.header-shell {
  --header-rest-height: 9rem;
  height: 9rem;
  position: sticky;
  top: 0;
  z-index: 30;
  pointer-events: none;
}
.header-shell .site-header {
  position: relative;
  isolation: isolate;
  width: calc(100% - 12.5%);
  max-width: none;
  margin-inline: auto;
  height: var(--header-rest-height);
  min-height: 0;
  padding: 0.5rem 1.125rem;
  justify-content: space-between;
  pointer-events: auto;
  border-radius: 999rem;
  translate: 0 0;
  transition:
    height 420ms cubic-bezier(0.22, 1, 0.36, 1),
    translate 420ms cubic-bezier(0.22, 1, 0.36, 1);
}
.header-shell .site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  border-radius: inherit;
  background: rgb(255 255 255 / 94%);
  box-shadow:
    0 0.375rem 1.5rem #18202212,
    inset 0 0 0 1px #1820220a;
  opacity: 0;
  transition: opacity 420ms ease;
}
.header-shell[data-compact='true'] .site-header {
  height: 4.5rem;
  translate: 0 0.75rem;
}
.header-shell[data-compact='true'] .site-header::before {
  opacity: 1;
}
.header-shell .site-header > .button,
.header-shell .mobile-menu-trigger {
  border-radius: 999rem;
  flex-shrink: 0;
}
/* Desktop: logo | nav | contact on a three-column grid, so the nav (with the
   language menu) sits in the true centre whatever the outer widths are. */
@media (min-width: 701px) {
  .header-shell .site-header {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
  }
  .header-shell .site-header > .logo {
    justify-self: start;
  }
  .header-shell .site-header > nav {
    justify-self: center;
    align-items: center;
  }
  .header-shell .site-header > .button {
    justify-self: end;
  }
}
@supports (backdrop-filter: blur(1rem)) {
  .header-shell .site-header::before {
    background: rgb(255 255 255 / 88%);
    backdrop-filter: blur(1rem);
    -webkit-backdrop-filter: blur(1rem);
  }
}
html:has(.header-shell) {
  scroll-padding-top: 6.5rem;
}
@media (max-width: 700px) {
  .header-shell {
    --header-rest-height: 4.75rem;
    height: calc(4.75rem + env(safe-area-inset-top, 0px));
    top: env(safe-area-inset-top, 0px);
  }
  .header-shell .site-header {
    width: calc(100% - 2.5rem);
    padding-block: 0.5rem 0.5rem;
    padding-inline: 1.125rem 0.75rem;
    gap: 1.25rem;
  }
  .header-shell[data-compact='true'] .site-header {
    height: 4.25rem;
    translate: 0 0.5rem;
  }
  html:has(.header-shell) {
    scroll-padding-top: calc(5.75rem + env(safe-area-inset-top, 0px));
  }
}
@media (prefers-reduced-motion: reduce) {
  .header-shell .site-header,
  .header-shell .site-header::before {
    transition: none;
  }
}
/* Language switcher (new in the static port; not part of PR #3). */
.lang-switcher {
  display: flex;
  flex-shrink: 0;
  white-space: nowrap;
  gap: 0.75rem;
  font-size: 1.125rem;
  letter-spacing: -0.03em;
}
.lang-switcher a[aria-current='page'] {
  text-decoration: underline;
  text-underline-offset: 0.3125rem;
}
.lang-switcher-footer {
  margin-top: 1rem;
}
.lang-switcher-menu {
  margin-top: 1.25rem;
  font-size: 1.125rem;
}
/* Header drop-downs (Programs, languages): a text button with a chevron,
   opening a small card of links styled like the programs filter popup. */
.nav-menu {
  position: relative;
  flex-shrink: 0;
}
.nav-menu-button {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0;
  border: 0;
  background: none;
  font-size: 1.125rem;
  letter-spacing: -0.03em;
  white-space: nowrap;
  cursor: pointer;
}
.nav-menu-button svg {
  width: 1rem;
  height: 1rem;
  transition: transform 200ms cubic-bezier(0.22, 1, 0.36, 1);
}
.nav-menu-button[aria-expanded='true'] svg {
  transform: rotate(180deg);
}
.nav-menu-list {
  position: absolute;
  z-index: 50;
  top: calc(100% + 0.375rem);
  inset-inline-start: 0;
  min-width: 10rem;
  margin: 0;
  padding: 0.5rem;
  list-style: none;
  border-radius: 0.75rem;
  background: var(--background);
  color: var(--foreground);
  box-shadow:
    0 0 0 1px rgb(33 33 33 / 0.1),
    0 4px 6px -1px rgb(0 0 0 / 0.1),
    0 2px 4px -2px rgb(0 0 0 / 0.1);
}
.nav-menu-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.625rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 1.125rem;
  letter-spacing: -0.03em;
  white-space: nowrap;
  text-decoration: none;
}
.nav-menu-list a:hover,
.nav-menu-list a:focus-visible {
  background: #f4f3f0;
  text-decoration: none;
  outline: none;
}
.nav-menu-list a svg {
  width: 1rem;
  height: 1rem;
  visibility: hidden;
}
.nav-menu-list a[aria-current='page'] svg {
  visibility: visible;
}
/* The language menu sits at the end of the nav, so its card hangs from the end edge. */
.lang-menu .nav-menu-list {
  inset-inline-start: auto;
  inset-inline-end: 0;
}
@media (max-width: 700px) {
  .nav-menu {
    display: none;
  }
}