.ns-site-header,
header.wp-block-template-part {
  background: rgba(255, 255, 255, .98);
  border-block-end: 1px solid var(--ns-color-border-subtle);
  box-shadow: var(--wp--preset--shadow--sticky);
}

header.wp-block-template-part {
  position: sticky;
  top: 0;
  z-index: 1000;
}

.ns-site-header > .ns-header-inner {
  align-items: center;
  min-height: 88px;
}

.ns-site-header .ns-header-inner > .wp-block-group {
  align-items: center;
  min-height: 0;
}

.ns-site-header .ns-main-navigation,
.ns-site-header .ns-header-search {
  align-self: center;
  margin-block: 0;
}

.ns-site-header .wp-block-navigation__container,
.ns-site-header .wp-block-search__inside-wrapper {
  align-items: center;
}

.ns-site-header .wp-block-navigation__responsive-container-open {
  align-items: center;
  align-self: center;
  justify-content: center;
  margin-block: 0;
  min-height: 44px;
}

.wp-block-navigation {
  font-family: var(--wp--preset--font-family--heading);
  font-size: var(--wp--preset--font-size--ui);
  font-weight: 700;
}

.wp-block-navigation a {
  align-items: center;
  display: inline-flex;
  min-height: 44px;
}

.wp-block-breadcrumbs a {
  min-height: 44px;
}

.wp-block-navigation-item.current-menu-item > a,
.wp-block-navigation-item .wp-block-navigation-item__content[aria-current=page] {
  box-shadow: inset 0 -3px 0 var(--wp--preset--color--deep-medical-blue);
}

.ns-site-header .wp-block-navigation__responsive-container.is-menu-open {
  z-index: 1001;
}

@media (max-width: 559px) {
  .ns-site-header > .ns-header-inner {
    min-height: 72px;
  }

  .ns-site-header .ns-header-inner > .wp-block-group {
    min-height: 0;
  }
}

/* Vera follow-up - vertically center desktop navigation labels.
 * Scope the flex override to the primary site navigation only.
 */
.ns-site-header .ns-main-navigation .wp-block-navigation-item__content {
  display: flex;
  align-items: center;
  min-height: 44px;
}


/* Responsive navigation V3.
 * Three stable modes:
 * - <= 959px: hamburger / overlay menu
 * - 960-1199px: compact one-line desktop menu (iPad landscape / small laptops)
 * - >= 1200px: regular one-line desktop menu
 */

/* Mobile and portrait-tablet overlay. Keep the hamburger until there is enough
 * room for the complete primary navigation. Also reduce excessive vertical
 * spacing in the opened overlay while retaining 44px touch targets.
 */
@media (max-width: 959px) {
  .ns-site-header .ns-main-navigation .wp-block-navigation__responsive-container-open:not(.always-shown) {
    display: flex;
  }

  .ns-site-header .ns-main-navigation .wp-block-navigation__responsive-container:not(.hidden-by-default):not(.is-menu-open) {
    display: none;
  }

  .ns-site-header .ns-main-navigation .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation__container {
    gap: 4px;
  }

  .ns-site-header .ns-main-navigation .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation-item {
    margin-block: 0;
    width: 100%;
  }

  .ns-site-header .ns-main-navigation .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation-item__content {
    box-sizing: border-box;
    line-height: 1.25;
    min-height: 44px;
    padding-block: 5px;
    width: 100%;
  }
}

/* Compact desktop navigation for iPad landscape and smaller laptop widths.
 * The menu is complete, remains on one line and uses a smaller fixed type size
 * and tighter gaps instead of switching back to the hamburger.
 */
@media (min-width: 960px) and (max-width: 1199px) {
  .ns-site-header .ns-main-navigation {
    font-size: 15px;
    min-width: 0;
  }

  .ns-site-header .ns-main-navigation .wp-block-navigation__responsive-container-open:not(.always-shown) {
    display: none;
  }

  .ns-site-header .ns-main-navigation .wp-block-navigation__responsive-container:not(.hidden-by-default):not(.is-menu-open) {
    display: block;
    position: relative;
    width: 100%;
  }

  .ns-site-header .ns-main-navigation .wp-block-navigation__container {
    column-gap: 14px;
    flex-wrap: nowrap;
    row-gap: 0;
  }

  .ns-site-header .ns-main-navigation .wp-block-navigation-item,
  .ns-site-header .ns-main-navigation .wp-block-navigation-item__content {
    white-space: nowrap;
  }
}

/* Regular desktop navigation. Use a stable fixed size and prevent the
 * wrap/unwrap jump caused by fluid responsive typography.
 */
@media (min-width: 1200px) {
  .ns-site-header .ns-main-navigation {
    font-size: 16px;
    min-width: 0;
  }

  .ns-site-header .ns-main-navigation .wp-block-navigation__responsive-container-open:not(.always-shown) {
    display: none;
  }

  .ns-site-header .ns-main-navigation .wp-block-navigation__responsive-container:not(.hidden-by-default):not(.is-menu-open) {
    display: block;
    position: relative;
    width: 100%;
  }

  .ns-site-header .ns-main-navigation .wp-block-navigation__container {
    column-gap: clamp(18px, 1.6vw, 30px);
    flex-wrap: nowrap;
    row-gap: 0;
  }

  .ns-site-header .ns-main-navigation .wp-block-navigation-item,
  .ns-site-header .ns-main-navigation .wp-block-navigation-item__content {
    white-space: nowrap;
  }
}

/* Responsive navigation V4 - mobile overlay usability.
 * Keep secondary CTAs (Ask an expert / Newsletter) reachable on real mobile
 * browsers with dynamic browser chrome, and remove the excessive row spacing
 * that made the overlay unnecessarily tall.
 */
@media (max-width: 959px) {
  .ns-site-header .ns-main-navigation .wp-block-navigation__responsive-container.is-menu-open {
    box-sizing: border-box;
    height: 100dvh;
    max-height: 100dvh;
    overflow: hidden;
  }

  .ns-site-header .ns-main-navigation .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation__responsive-dialog {
    box-sizing: border-box;
    height: 100%;
    max-height: 100dvh;
    min-height: 0;
  }

  .ns-site-header .ns-main-navigation .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation__responsive-container-content {
    box-sizing: border-box;
    height: 100%;
    max-height: 100dvh;
    min-height: 0;
    overflow-y: auto;
    overscroll-behavior-y: contain;
    -webkit-overflow-scrolling: touch;
    padding-bottom: calc(32px + env(safe-area-inset-bottom));
  }

  .ns-site-header .ns-main-navigation .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation__container {
    gap: 0 !important;
    row-gap: 0 !important;
  }

  .ns-site-header .ns-main-navigation .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation-item {
    margin-block: 0 !important;
  }

  .ns-site-header .ns-main-navigation .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation-item__content {
    min-height: 44px;
    padding-block: 6px !important;
  }
}