.site-header {
    position: sticky;
    top: 0;
    z-index: 999;
    background: #fcfcfc;
    border-bottom: 1px solid var(--rr-color-border);
    box-shadow: 0 6px 22px rgba(17, 24, 39, 0.08);
}

.admin-bar .site-header {
    top: 32px;
}

.header-topbar {
    background: var(--rr-color-dark);
    color: #ffffff;
}

.header-topbar__inner {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 34px;
    gap: 0;
    font-size: 0.78rem;
    font-weight: 650;
    letter-spacing: 0.01em;
}

.header-topbar__item {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: inherit;
    line-height: 1.2;
    text-decoration: none;
    white-space: nowrap;
}

.header-topbar__item + .header-topbar__item::before {
    width: 1px;
    height: 14px;
    margin: 0 18px;
    background: rgba(255, 255, 255, 0.3);
    content: '';
}

.header-topbar__item svg {
    flex: 0 0 auto;
    color: var(--rr-color-accent);
}

.header-topbar__phone:hover,
.header-topbar__phone:focus {
    color: #ffffff;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.header-main {
    background: rgba(252, 252, 252, 0.98);
    backdrop-filter: blur(12px);
}

/* The header uses a wider container than page content so the navigation stays on one line. */
.site-header__inner {
    display: grid;
    grid-template-columns: minmax(190px, 0.8fr) minmax(540px, 1.8fr) auto;
    align-items: center;
    width: min(100% - 40px, 1440px);
    min-height: 92px;
    gap: clamp(20px, 2vw, 34px);
}

.site-branding {
    display: flex;
    align-items: center;
    min-width: 0;
}

.custom-logo-link {
    display: inline-flex;
    align-items: center;
}

.custom-logo {
    width: auto;
    max-width: min(270px, 19vw);
    max-height: 68px;
}

.site-title {
    display: inline-grid;
    grid-template-columns: repeat(3, max-content);
    align-items: center;
    justify-content: start;
    width: max-content;
    max-width: 100%;
    column-gap: 0;
    margin: 0;
    color: var(--rr-color-dark);
    font-size: clamp(1.55rem, 2.2vw, 2rem);
    font-weight: 900;
    font-style: italic;
    line-height: 0.9;
    letter-spacing: -0.06em;
    text-decoration: none;
    white-space: nowrap;
}

.site-title:hover,
.site-title:focus {
    color: var(--rr-color-dark);
}

.site-title__rex,
.site-title__x {
    color: var(--rr-color-accent);
}

.site-title__tagline {
    grid-column: 1 / -1;
    margin-top: 7px;
    color: #4b5563;
    font-size: 0.61rem;
    font-style: normal;
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.header-navigation-panel {
    display: contents;
}

.primary-navigation {
    min-width: 0;
}

/* Only the top menu row is flex. Nested lists become true dropdowns. */
.primary-navigation > ul,
.primary-navigation > .menu,
.primary-navigation .menu > ul {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: nowrap;
    gap: clamp(14px, 1.45vw, 24px);
    margin: 0;
    padding: 0;
    list-style: none;
}

.primary-navigation li {
    position: relative;
    margin: 0;
}

.primary-navigation a {
    position: relative;
    display: block;
    padding: 13px 0;
    color: var(--rr-color-dark);
    font-size: 0.92rem;
    font-weight: 750;
    line-height: 1.2;
    text-decoration: none;
    white-space: nowrap;
}

.primary-navigation a::after {
    position: absolute;
    right: 0;
    bottom: 6px;
    left: 0;
    height: 2px;
    background: var(--rr-color-accent);
    content: '';
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.2s ease;
}

.primary-navigation a:hover,
.primary-navigation a:focus,
.primary-navigation .current-menu-item > a,
.primary-navigation .current-menu-ancestor > a,
.primary-navigation .current_page_item > a {
    color: var(--rr-color-accent-dark);
}

.primary-navigation a:hover::after,
.primary-navigation a:focus::after,
.primary-navigation .current-menu-item > a::after,
.primary-navigation .current-menu-ancestor > a::after,
.primary-navigation .current_page_item > a::after {
    transform: scaleX(1);
    transform-origin: left;
}

.primary-navigation .menu-item-has-children > a {
    padding-right: 15px;
}

.primary-navigation .menu-item-has-children > a::before {
    position: absolute;
    top: 50%;
    right: 0;
    width: 6px;
    height: 6px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    content: '';
    transform: translateY(-70%) rotate(45deg);
}

.primary-navigation .sub-menu,
.primary-navigation .children {
    position: absolute;
    top: calc(100% - 2px);
    left: 50%;
    z-index: 1000;
    display: grid;
    min-width: 245px;
    margin: 0;
    padding: 10px;
    list-style: none;
    background: #ffffff;
    border: 1px solid rgba(17, 24, 39, 0.09);
    border-radius: 12px;
    box-shadow: 0 18px 45px rgba(17, 24, 39, 0.16);
    opacity: 0;
    visibility: hidden;
    transform: translate(-50%, 10px);
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
}

.primary-navigation .sub-menu a,
.primary-navigation .children a {
    padding: 11px 13px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 700;
    white-space: normal;
}

.primary-navigation .sub-menu a::after,
.primary-navigation .children a::after,
.primary-navigation .sub-menu .menu-item-has-children > a::before,
.primary-navigation .children .page_item_has_children > a::before {
    display: none;
}

.primary-navigation .sub-menu a:hover,
.primary-navigation .sub-menu a:focus,
.primary-navigation .children a:hover,
.primary-navigation .children a:focus {
    background: #f7f8fa;
}

.primary-navigation li:hover > .sub-menu,
.primary-navigation li:focus-within > .sub-menu,
.primary-navigation li:hover > .children,
.primary-navigation li:focus-within > .children {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
}

.header-actions {
    display: flex;
    align-items: center;
    flex: 0 0 auto;
    gap: 14px;
}

.header-phone {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: var(--rr-color-dark);
    line-height: 1.15;
    text-decoration: none;
    white-space: nowrap;
}

.header-phone:hover,
.header-phone:focus {
    color: var(--rr-color-accent-dark);
}

.header-phone__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    color: var(--rr-color-accent);
    background: #ffffff;
    border: 1px solid var(--rr-color-border);
    border-radius: 50%;
    box-shadow: 0 3px 10px rgba(17, 24, 39, 0.07);
}

.header-phone__number {
    font-size: 1rem;
    font-weight: 850;
}

.header-schedule-button {
    min-height: 52px;
    padding: 14px 22px;
    font-size: 0.98rem;
    white-space: nowrap;
}

.menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin-left: auto;
    padding: 0;
    background: var(--rr-color-dark);
    color: #ffffff;
    border: 0;
    border-radius: 8px;
    cursor: pointer;
}

.menu-toggle__icon {
    display: grid;
    gap: 5px;
    width: 22px;
}

.menu-toggle__icon span {
    display: block;
    width: 100%;
    height: 2px;
    background: currentColor;
    border-radius: 2px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

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

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

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