.site-header { position: sticky; top: 0; z-index: 1000; background: var(--color-navy); transition: box-shadow var(--transition); }
.site-header.is-scrolled { box-shadow: 0 5px 18px rgba(3, 31, 61, .24); }
.site-header__inner { display: flex; min-height: 76px; align-items: center; gap: 24px; }
.site-branding { flex: 0 0 auto; }
.site-branding, .custom-logo-link, .site-branding__logo { display: flex; align-items: center; }
.custom-logo, .site-branding__logo img { width: auto; max-width: 250px; max-height: 54px; object-fit: contain; }
.site-branding__text { color: var(--color-white); font-family: var(--font-heading); line-height: 1.1; }
.site-branding__text:hover { color: var(--color-white); }
.site-branding__text strong, .site-branding__text small { display: block; }
.site-branding__text strong { font-size: 1.1rem; }
.site-branding__text small { margin-top: 3px; color: rgba(255,255,255,.72); font-family: var(--font-body); font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; }
.primary-navigation { display: flex; flex: 1; align-items: center; justify-content: flex-end; gap: 24px; }
.primary-navigation__header, .menu-toggle, .menu-close, .navigation-overlay { display: none; }
.primary-menu { display: flex; align-items: stretch; gap: clamp(14px, 1.7vw, 27px); margin: 0; padding: 0; list-style: none; }
.primary-menu > li { position: relative; display: flex; align-items: center; }
.primary-menu > li > a, .autoroute-nav__privacy { position: relative; display: inline-flex; min-height: 76px; align-items: center; color: rgba(255,255,255,.94); font-family: var(--font-heading); font-size: .86rem; font-weight: 700; line-height: normal; text-decoration: none; white-space: nowrap; }
.primary-menu > li > a::after, .autoroute-nav__privacy::after { position: absolute; right: 0; bottom: 0; left: 0; height: 3px; background: var(--color-accent); content: ''; transform: scaleX(0); transition: transform var(--transition); }
.primary-menu > li:hover > a::after, .primary-menu > li:focus-within > a::after, .primary-menu > .current-menu-item > a::after, .primary-menu > .current-menu-ancestor > a::after, .autoroute-nav__privacy:hover::after, .autoroute-nav__privacy:focus-visible::after, .autoroute-nav__privacy.current-menu-item::after { transform: scaleX(1); }
.primary-menu > li > a:hover, .autoroute-nav__privacy:hover { color: var(--color-white); }
.submenu-toggle { display: inline-grid; width: 24px; height: 34px; place-items: center; margin-left: 3px; padding: 0; border: 0; background: transparent; color: var(--color-white); cursor: pointer; }
.submenu-toggle svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; transition: transform var(--transition); }
.primary-menu > li:hover > .submenu-toggle svg, .primary-menu > li:focus-within > .submenu-toggle svg, .submenu-toggle[aria-expanded='true'] svg { transform: rotate(180deg); }
.sub-menu { position: absolute; top: calc(100% - 6px); left: -12px; z-index: 2; min-width: 260px; margin: 0; padding: 8px; border: 1px solid var(--color-border); border-radius: var(--radius-sm); background: var(--color-white); box-shadow: var(--shadow-card); list-style: none; opacity: 0; visibility: hidden; transform: translateY(8px); transition: opacity var(--transition), transform var(--transition), visibility var(--transition); }
.primary-menu > li:hover > .sub-menu, .primary-menu > li:focus-within > .sub-menu, .primary-menu > li.is-submenu-open > .sub-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.sub-menu a { display: block; padding: 10px 12px; border-radius: 5px; color: var(--color-navy); font-family: var(--font-heading); font-size: .87rem; font-weight: 700; }
.sub-menu a:hover, .sub-menu a:focus-visible { background: var(--color-light-blue); color: var(--color-accent); }
.button--header { min-height: 44px; padding-inline: 18px; white-space: nowrap; }
.primary-menu a:focus-visible, .autoroute-nav__privacy:focus-visible, .submenu-toggle:focus-visible, .menu-toggle:focus-visible, .menu-close:focus-visible, .navigation-overlay:focus-visible { outline: 3px solid var(--color-white); outline-offset: 3px; }
@media (min-width: 1025px) and (max-width: 1180px) { .primary-navigation { gap: 14px; }.primary-menu { gap: 10px; }.primary-menu > li > a, .autoroute-nav__privacy, .site-nav__dropdown-toggle { font-size: .8rem; } }
@media (max-width: 1024px) {
  .site-header__inner { justify-content: space-between; }
  .custom-logo, .site-branding__logo img { max-width: 190px; max-height: 44px; }
  .menu-toggle { display: inline-grid; width: 46px; height: 46px; place-items: center; margin-left: auto; padding: 0; border: 1px solid rgba(255,255,255,.25); border-radius: 6px; background: transparent; color: var(--color-white); cursor: pointer; }
  .menu-toggle svg, .menu-close svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-width: 2; }
  .primary-navigation { position: fixed; top: 0; right: 0; bottom: 0; z-index: 1002; display: flex; width: min(420px, 92vw); padding: 20px 24px 28px; flex-direction: column; align-items: stretch; justify-content: flex-start; gap: 20px; overflow-y: auto; background: var(--color-white); box-shadow: -18px 0 44px rgba(3,31,61,.18); transform: translateX(105%); transition: transform 280ms ease; }
  .primary-navigation.is-open { transform: translateX(0); }
  .primary-navigation__header { display: flex; min-height: 46px; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--color-border); color: var(--color-navy); font-family: var(--font-heading); font-weight: 800; }
  .menu-close { display: inline-grid; width: 46px; height: 46px; place-items: center; padding: 0; border: 0; border-radius: 6px; background: var(--color-light-blue); color: var(--color-navy); cursor: pointer; }
  .navigation-overlay { position: fixed; inset: 0; z-index: 1001; border: 0; background: rgba(3,31,61,.55); opacity: 0; pointer-events: none; transition: opacity 280ms ease; }
  .navigation-overlay.is-active { display: block; opacity: 1; pointer-events: auto; }
  .primary-menu { display: block; }
  .primary-menu > li { display: grid; grid-template-columns: minmax(0,1fr) 48px; border-bottom: 1px solid var(--color-border); }
  .primary-menu > li > a, .autoroute-nav__privacy { min-height: 54px; color: var(--color-navy); font-size: .95rem; }
  .primary-menu > li > a::after, .autoroute-nav__privacy::after { display: none; }
  .submenu-toggle { width: 48px; height: 54px; margin: 0; color: var(--color-navy); }
  .sub-menu { position: static; display: none; grid-column: 1 / -1; min-width: 0; padding: 0 0 10px 14px; border: 0; border-radius: 0; box-shadow: none; opacity: 1; visibility: visible; transform: none; }
  .primary-menu > li.is-submenu-open > .sub-menu { display: block; }
  .sub-menu a { padding: 10px 8px; }
  .button--header { width: 100%; min-height: 52px; }
  .autoroute-nav__privacy { display: flex; width: 100%; border-bottom: 1px solid var(--color-border); }
  .autoroute-nav__privacy:focus-visible { outline-color: var(--color-accent); }
}
@media (prefers-reduced-motion: reduce) { .site-header, .primary-navigation, .navigation-overlay, .sub-menu, .submenu-toggle svg { transition: none; } }

/* Services is a disclosure button, not a destination page link. */
.site-nav__dropdown-toggle {
  position: relative;
  display: inline-flex;
  min-height: 76px;
  align-items: center;
  gap: 4px;
  padding: 0;
  border: 0;
  background: transparent;
  color: rgba(255,255,255,.94);
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: .86rem;
  font-weight: 700;
  white-space: nowrap;
}
.site-nav__dropdown-toggle::after { position: absolute; right: 0; bottom: 0; left: 0; height: 3px; background: var(--color-accent); content: ''; transform: scaleX(0); transition: transform var(--transition); }
.site-nav__dropdown-icon { display: inline-grid; width: 20px; height: 20px; place-items: center; }
.site-nav__dropdown-icon svg { display: block; width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; transition: transform var(--transition); }
.services-dropdown-group:hover > .site-nav__dropdown-toggle, .services-dropdown-group:focus-within > .site-nav__dropdown-toggle, .services-dropdown-group.is-submenu-open > .site-nav__dropdown-toggle { color: var(--color-accent); }
.services-dropdown-group:hover > .site-nav__dropdown-toggle::after, .services-dropdown-group:focus-within > .site-nav__dropdown-toggle::after, .services-dropdown-group.is-submenu-open > .site-nav__dropdown-toggle::after { transform: scaleX(1); }
.services-dropdown-group.is-submenu-open .site-nav__dropdown-icon svg, .services-dropdown-group:hover .site-nav__dropdown-icon svg, .services-dropdown-group:focus-within .site-nav__dropdown-icon svg { transform: rotate(180deg); }
.site-nav__dropdown-toggle:focus-visible { outline: 3px solid var(--color-white); outline-offset: 3px; }

@media (max-width: 1024px) {
  .primary-menu > li.services-dropdown-group { display: grid; grid-template-columns: minmax(0,1fr); }
  .site-nav__dropdown-toggle { grid-column: 1; min-height: 54px; justify-content: space-between; width: 100%; color: var(--color-navy); font-size: .95rem; text-align: left; }
  .site-nav__dropdown-toggle::after { display: none; }
  .site-nav__dropdown-icon { width: 48px; height: 54px; justify-self: end; color: var(--color-navy); }
  .services-dropdown-group:hover > .site-nav__dropdown-toggle, .services-dropdown-group:focus-within > .site-nav__dropdown-toggle, .services-dropdown-group.is-submenu-open > .site-nav__dropdown-toggle { color: var(--color-navy); }
  .services-dropdown-group > .site-nav__dropdown { grid-column: 1 / -1; padding: 0 0 10px 14px; background: rgba(237,245,252,.55); }
  .services-dropdown-group > .site-nav__dropdown a { min-height: 44px; display: flex; align-items: center; padding: 10px 12px; border-bottom: 1px solid var(--color-border); }
  .services-dropdown-group > .site-nav__dropdown li:last-child a { border-bottom: 0; }
  .primary-menu > li.services-dropdown-group:hover > .site-nav__dropdown,
  .primary-menu > li.services-dropdown-group:focus-within > .site-nav__dropdown { display: none; }
  .primary-menu > li.services-dropdown-group.is-submenu-open > .site-nav__dropdown { display: block; }
  .site-nav__dropdown-toggle:focus-visible { outline-color: var(--color-accent); }
}

@media (prefers-reduced-motion: reduce) { .site-nav__dropdown-toggle::after, .site-nav__dropdown-icon svg { transition: none; } }