.site-topbar {
    background: #0f172a;
    color: rgba(255, 255, 255, 0.82);
    font-size: 13px;
}

.site-topbar__inner {
    min-height: 42px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.site-topbar__right {
    display: flex;
    align-items: center;
    gap: 18px;
}

.site-topbar a:hover {
    color: #ffffff;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 999;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.9);
}

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

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 88px;
    gap: 20px;
}

.site-branding {
    flex: 0 0 auto;
    max-width: 220px;
}

.site-branding img {
    max-height: 54px;
    width: auto;
}

.site-branding__text {
    font-size: 28px;
    font-weight: 800;
    color: var(--zk-color-primary);
}

.primary-navigation {
    flex: 1 1 auto;
    display: flex;
    justify-content: center;
}

.primary-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

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

.primary-menu > li > a {
    display: inline-flex;
    align-items: center;
    min-height: 88px;
    font-size: 15px;
    font-weight: 700;
    color: var(--zk-color-primary);
}

.primary-menu > li:hover > a {
    color: var(--zk-color-secondary);
}

.primary-menu .sub-menu {
    position: absolute;
    top: calc(100% - 10px);
    left: 0;
    min-width: 240px;
    padding: 14px 0;
    background: #fff;
    border: 1px solid var(--zk-color-border);
    border-radius: 18px;
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.12);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--zk-transition);
    z-index: 20;
}

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

.primary-menu .sub-menu li a {
    display: block;
    padding: 12px 18px;
    font-size: 14px;
    font-weight: 600;
    color: var(--zk-color-text);
}

.primary-menu .sub-menu li a:hover {
    background: var(--zk-color-soft);
    color: var(--zk-color-secondary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 0 0 auto;
}

.mobile-menu-toggle {
    display: none;
    width: 48px;
    height: 48px;
    padding: 0;
    border: 1px solid var(--zk-color-border);
    border-radius: 14px;
    background: var(--zk-color-white);
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    margin: 4px auto;
    background: var(--zk-color-primary);
    transition: var(--zk-transition);
}