.site-header {
  background: var(--color-navy);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  min-height: var(--header-height);
  padding-block: 0.4rem;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

.site-logo svg { width: 32px; height: 32px; flex-shrink: 0; }

.site-logo__text {
  font-family: var(--font-heading);
  color: var(--color-white);
  line-height: 1.1;
  white-space: nowrap;
}

.site-logo__text strong {
  display: block;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.site-logo__text span {
  display: block;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  color: var(--color-sand);
  text-transform: uppercase;
}

/* ---------- Primary nav (desktop) ---------- */
.main-nav {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  justify-content: center;
}

.main-nav__list {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  row-gap: 0.3rem;
  gap: 0.35rem;
}

.main-nav__list li {
  position: relative;
}

.main-nav__list a {
  display: block;
  color: rgba(255, 255, 255, 0.88);
  font-weight: 600;
  font-size: 0.85rem;
  white-space: nowrap;
  padding: 0.5rem 0.6rem;
  border-radius: var(--radius-sm);
  position: relative;
  transition: color var(--transition), background var(--transition);
}

.main-nav__list a:hover,
.main-nav__list a.current-menu-item-link {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.08);
}

.submenu-toggle {
  display: none;
  color: rgba(255, 255, 255, 0.7);
}

/* ---------- Dropdown submenus (desktop) ---------- */
.main-nav__list .sub-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--color-white);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  padding: 0.4rem;
  margin-top: 0.35rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index: 50;
}

.main-nav__list .sub-menu .sub-menu {
  top: 0;
  left: 100%;
  margin-top: 0;
  margin-left: 0.35rem;
}

.main-nav__list .sub-menu a {
  color: var(--color-navy);
  font-size: 0.86rem;
  padding: 0.55rem 0.7rem;
  border-radius: var(--radius-sm);
}

.main-nav__list .sub-menu a:hover {
  background: var(--color-light-gray);
  color: var(--color-ocean);
}

.main-nav__list .menu-item-has-children:hover > .sub-menu,
.main-nav__list .menu-item-has-children:focus-within > .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.main-nav__list .menu-item-has-children > a {
  padding-right: 1.5rem;
}

.main-nav__list .menu-item-has-children > a::after {
  content: "";
  position: absolute;
  right: 0.55rem;
  top: 50%;
  width: 7px;
  height: 7px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-65%) rotate(45deg);
  opacity: 0.7;
}

/* ---------- Header actions ---------- */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

.header-search-toggle,
.menu-toggle {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.1);
  transition: background var(--transition);
  flex-shrink: 0;
}

.header-search-toggle:hover, .menu-toggle:hover { background: rgba(255, 255, 255, 0.2); }
.header-search-toggle svg, .menu-toggle svg { width: 17px; height: 17px; }

.menu-toggle { display: none; }

/* Search overlay */
.header-search {
  position: fixed;
  inset: 0;
  background: rgba(11, 58, 94, 0.96);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 18vh;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition);
  z-index: 200;
}

.header-search.is-open { opacity: 1; visibility: visible; }

.header-search form {
  width: 100%;
  max-width: 600px;
  display: flex;
  gap: 0.5rem;
  padding-inline: var(--space-md);
}

.header-search input {
  flex: 1;
  padding: 0.9rem 1.2rem;
  border-radius: var(--radius);
  border: none;
  font-size: 1.1rem;
}

.header-search button[type="submit"] {
  background: var(--color-ocean);
  color: #fff;
  padding: 0 1.5rem;
  border-radius: var(--radius);
  font-weight: 700;
}

.header-search__close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  color: #fff;
  width: 40px; height: 40px;
}

/*
 * Collapse to the mobile/hamburger nav before the bar has any chance to
 * overflow or wrap. With the menu now trimmed to 5-6 top-level items and
 * no competing CTA button, this can sit lower than it would need to for
 * a heavier menu — raise it back up if more top-level items get added.
 */
@media (max-width: 1024px) {
  .main-nav { display: none; }
  .menu-toggle { display: inline-flex; }

  .main-nav.is-open {
    display: block;
    position: absolute;
    top: var(--header-height);
    left: 0; right: 0;
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
    background: var(--color-navy);
    padding: var(--space-sm) var(--space-md) var(--space-md);
  }

  .main-nav.is-open .main-nav__list {
    flex-direction: column;
    align-items: stretch;
    flex-wrap: nowrap;
    gap: 0.15rem;
    flex-wrap: wrap;
  }

  .main-nav.is-open .main-nav__list li { position: relative; }

  .main-nav.is-open .main-nav__list a {
    display: block;
    padding: 0.75rem 2.75rem 0.75rem 0.75rem;
    width: 100%;
    font-size: 0.95rem;
  }

  .main-nav.is-open .menu-item-has-children > a::after { display: none; }

  /* Mobile accordion toggle for items with children */
  .main-nav.is-open .submenu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    right: 0.25rem;
    top: 0.25rem;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
  }

  .main-nav.is-open .submenu-toggle svg {
    width: 13px;
    height: 13px;
    transition: transform var(--transition);
  }

  .main-nav.is-open li.submenu-open > .submenu-toggle svg {
    transform: rotate(180deg);
  }

  .main-nav.is-open .sub-menu {
    display: none;
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background: transparent;
    margin: 0 0 0 0.75rem;
    padding: 0;
  }

  .main-nav.is-open li.submenu-open > .sub-menu { display: block; }

  .main-nav.is-open .sub-menu a {
    color: rgba(255, 255, 255, 0.8);
    padding: 0.65rem 0.75rem;
  }

  .main-nav.is-open .sub-menu a:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-white);
  }
}