.site-header {
  position: sticky;
  z-index: 1000;
  top: 0;
  background: var(--color-navy-dark);
  box-shadow: 0 6px 20px rgba(3, 31, 61, 0.12);
}

.site-header__inner {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.site-branding,
.custom-logo-link {
  display: flex;
  align-items: center;
}

.custom-logo {
  width: auto;
  max-height: 54px;
}

.site-branding__text {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--color-white);
}

.site-branding__text:hover {
  color: var(--color-white);
}

.site-branding__text strong,
.site-branding__text small {
  display: block;
}

.site-branding__text strong {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  line-height: 1.1;
}

.site-branding__text small {
  margin-top: 2px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-branding__mark {
  color: var(--color-red);
  font-size: 1.35rem;
}

.primary-navigation {
  display: flex;
  align-items: center;
  gap: 28px;
}

.primary-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.primary-menu > li {
  position: relative;
}

.primary-menu a {
  display: inline-flex;
  min-height: 76px;
  align-items: center;
  color: rgba(255, 255, 255, 0.9);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
}

.primary-menu > li > a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 3px;
  background: var(--color-red);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition);
}

.primary-menu > li:hover > a::after,
.primary-menu > li.current-menu-item > a::after,
.primary-menu > li.current-menu-ancestor > a::after {
  transform: scaleX(1);
}

.primary-menu a:hover,
.primary-menu a:focus-visible {
  color: var(--color-white);
}

.primary-menu .sub-menu {
  position: absolute;
  top: calc(100% - 8px);
  left: 0;
  min-width: 260px;
  margin: 0;
  padding: 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-white);
  box-shadow: var(--shadow-card);
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
}

.primary-menu li:hover > .sub-menu,
.primary-menu li:focus-within > .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.primary-menu .sub-menu a {
  min-height: auto;
  padding: 11px 12px;
  border-radius: 6px;
  color: var(--color-heading);
}

.primary-menu .sub-menu a:hover,
.primary-menu .sub-menu a:focus-visible {
  background: var(--color-light-blue);
  color: var(--color-navy);
}

.button--header {
  min-height: 44px;
  padding-inline: 19px;
  white-space: nowrap;
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 42px;
  padding: 9px;
  border: 0;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
}

.menu-toggle__line {
  display: block;
  width: 100%;
  height: 2px;
  margin: 5px 0;
  background: var(--color-white);
  transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__line:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}