.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 140;
    padding-top: 0;
    background: transparent;
}

.site-navbar {
    padding: 18px 0 0;
}

.header-shell {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 18px;
    min-height: 78px;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
}

.site-brand,
.topnav-menu,
.site-navigation__tools,
.nav-toggle {
    border: 1px solid rgba(255, 255, 255, 0.48);
    background: rgba(255, 255, 255, 0.76);
    backdrop-filter: blur(18px);
    box-shadow: 0 12px 34px rgba(23, 27, 23, 0.07);
}

.site-brand {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 128px;
    min-height: 54px;
    padding: 0 24px;
    border-radius: 14px;
    color: var(--nv-color-text);
    flex-shrink: 0;
    justify-self: start;
}

.site-brand:hover,
.site-brand:focus-visible {
    color: var(--nv-color-text);
}

.site-brand__name {
    margin: 0;
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 2rem;
    font-weight: 500;
    line-height: 1;
    letter-spacing: -0.05em;
    text-transform: none;
}

.site-brand__tagline {
    display: none;
}

.site-navigation {
    display: contents;
}

.site-navigation__panel {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 0;
    width: 100%;
}

.topnav-menu {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin: 0 auto;
    padding: 8px;
    border-radius: 999px;
}

.menu-item {
    position: relative;
    display: flex;
    align-items: center;
}

.nav-link,
.dropdown-item,
.menu-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 16px;
    border-radius: 999px;
    color: var(--nv-color-text-muted);
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    transition: color .24s ease, background-color .24s ease, border-color .24s ease;
}

.nav-link:hover,
.nav-link:focus-visible,
.dropdown-item:hover,
.dropdown-item:focus-visible {
    color: var(--nv-color-text);
    background: rgba(94, 106, 99, 0.08);
}

.menu-item.current-menu-item > .nav-link,
.menu-item.current_page_item > .nav-link,
.menu-item.current-menu-parent > .nav-link,
.menu-item.current-menu-ancestor > .nav-link {
    color: var(--nv-color-text);
    background: rgba(94, 106, 99, 0.08);
}

.nav-link.dropdown-toggle {
    gap: 8px;
}

.nav-link.dropdown-toggle::after {
    margin-left: 0;
    vertical-align: middle;
    border-top-color: currentColor;
}

.sub-menu {
    min-width: 228px;
    margin-top: 14px;
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, 0.52);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 16px 34px rgba(23, 27, 23, 0.08);
    backdrop-filter: blur(18px);
}

.sub-menu .menu-item {
    width: 100%;
}

.sub-menu .dropdown-item {
    width: 100%;
    justify-content: flex-start;
    min-height: 42px;
    padding: 0 14px;
    border-radius: 12px;
    text-transform: none;
    letter-spacing: 0.02em;
}

.submenu-toggle {
    display: none;
}

.site-navigation__tools {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px;
    border-radius: 18px;
    flex-shrink: 0;
    justify-self: end;
}

.header-tool-icon {
    width: 42px;
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--nv-color-text-muted);
    font-size: 1rem;
    line-height: 1;
}

.header-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 110px;
    min-height: 42px;
    padding: 0 18px;
    border: 1px solid var(--nv-color-line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.76);
    color: var(--nv-color-text);
    box-shadow: none;
    transition: background-color .24s ease, border-color .24s ease, color .24s ease;
}

.header-cta:hover,
.header-cta:focus-visible {
    color: var(--nv-color-text);
    transform: none;
    border-color: rgba(94, 106, 99, 0.22);
    background: rgba(94, 106, 99, 0.08);
    box-shadow: none;
}

.header-cta__label {
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.nav-toggle {
    display: none;
    width: 54px;
    height: 54px;
    padding: 0;
    margin-left: auto;
    border-radius: 16px;
}

.nav-toggle:focus {
    box-shadow: 0 0 0 0.2rem rgba(94, 106, 99, 0.12);
}

.nav-toggle__line {
    display: block;
    width: 20px;
    height: 2px;
    margin: 0 auto;
    border-radius: 999px;
    background: var(--nv-color-text);
}

@keyframes headerPanelFade {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1199px) {
    .nav-link,
    .dropdown-item,
    .menu-link {
        padding: 0 14px;
        font-size: 0.72rem;
    }
}

@media (max-width: 991px) {
    .site-navbar {
        padding-top: 12px;
    }

    .header-shell {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 12px;
    }

    .site-brand {
        min-height: 52px;
    }

    .nav-toggle {
        display: inline-flex;
        flex-direction: column;
        justify-content: center;
        gap: 5px;
        width: 52px;
        height: 52px;
        margin-left: auto;
    }

    .nav-toggle:hover,
    .nav-toggle:focus-visible {
        border-color: rgba(94, 106, 99, 0.2);
        background: rgba(94, 106, 99, 0.06);
    }

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

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

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

    .nav-toggle__line {
        transition: transform .24s ease, opacity .24s ease;
        transform-origin: center;
    }

    .site-navigation {
        display: flex;
        width: 100%;
        flex-basis: 100%;
        margin-top: 6px;
        margin-left: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    .site-navigation.collapse:not(.show) {
        display: none;
    }

    .site-navigation.collapsing,
    .site-navigation.show {
        display: flex;
    }

    .site-navigation__panel,
    .site-navigation__tools {
        width: 100%;
        animation: headerPanelFade .24s ease;
    }

    .site-navigation__panel {
        padding: 12px;
        border: 1px solid rgba(255, 255, 255, 0.54);
        border-radius: 24px;
        background: rgba(255, 255, 255, 0.88);
        backdrop-filter: blur(18px);
        box-shadow: 0 16px 34px rgba(23, 27, 23, 0.08);
    }

    .topnav-menu {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        gap: 8px;
        padding: 0;
        background: transparent;
        border: 0;
        box-shadow: none;
    }

    .menu-item {
        width: 100%;
    }

    .menu-item-has-children {
        flex-direction: column;
        align-items: stretch;
    }

    .nav-link,
    .dropdown-item,
    .menu-link {
        justify-content: flex-start;
        width: 100%;
        min-height: 48px;
        padding: 0 16px;
        border-radius: 14px;
        border: 1px solid rgba(23, 27, 23, 0.06);
        background: rgba(255, 255, 255, 0.68);
        font-size: 0.74rem;
        letter-spacing: 0.14em;
    }

    .menu-item.current-menu-item > .nav-link,
    .menu-item.current_page_item > .nav-link,
    .menu-item.current-menu-parent > .nav-link,
    .menu-item.current-menu-ancestor > .nav-link {
        border-color: rgba(94, 106, 99, 0.14);
        box-shadow: inset 0 0 0 1px rgba(94, 106, 99, 0.1);
    }

    .menu-item-has-children > .nav-link.dropdown-toggle::after {
        margin-left: auto;
        transition: transform .24s ease;
    }

    .menu-item-has-children.show > .nav-link.dropdown-toggle::after,
    .menu-item-has-children.is-open > .nav-link.dropdown-toggle::after {
        transform: rotate(180deg);
    }

    .sub-menu {
        position: static;
        display: none;
        min-width: 100%;
        margin-top: 8px;
        padding: 8px;
        border: 1px solid rgba(23, 27, 23, 0.05);
        border-radius: 18px;
        background: rgba(248, 248, 244, 0.88);
        box-shadow: none;
        backdrop-filter: blur(12px);
    }

    .menu-item-has-children.show > .sub-menu,
    .menu-item-has-children.is-open > .sub-menu {
        display: grid;
        gap: 8px;
    }

    .sub-menu .menu-item {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: center;
        gap: 8px;
    }

    .sub-menu .dropdown-item {
        min-height: 44px;
        padding: 0 14px;
        border-radius: 12px;
        border: 1px solid rgba(23, 27, 23, 0.05);
        background: rgba(255, 255, 255, 0.72);
        color: var(--nv-color-text);
        font-size: 0.72rem;
        font-weight: 700;
        letter-spacing: 0.08em;
        text-transform: none;
    }

    .submenu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        min-width: 40px;
        height: 40px;
        padding: 0;
        border: 1px solid rgba(23, 27, 23, 0.05);
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.72);
        color: var(--nv-color-text-muted);
        text-decoration: none;
        box-shadow: none;
    }

    .submenu-toggle:hover,
    .submenu-toggle:focus-visible {
        border-color: rgba(94, 106, 99, 0.14);
        background: rgba(94, 106, 99, 0.08);
        color: var(--nv-color-text);
    }

    .menu-item.is-open > .submenu-toggle span[aria-hidden="true"] {
        transform: rotate(45deg);
    }

    .submenu-toggle span[aria-hidden="true"] {
        display: inline-block;
        transition: transform .24s ease;
    }

    .sub-menu .sub-menu {
        margin-top: 8px;
        margin-left: 8px;
        padding: 8px;
        border-radius: 14px;
        background: rgba(255, 255, 255, 0.58);
    }

    .site-navigation__tools {
        display: grid;
        grid-template-columns: 46px minmax(0, 1fr);
        align-items: center;
        gap: 8px;
        padding: 8px;
        border-radius: 18px;
    }

    .header-tool-icon {
        width: 46px;
        min-height: 46px;
        border-radius: 14px;
        border: 1px solid rgba(23, 27, 23, 0.06);
        background: rgba(255, 255, 255, 0.68);
    }

    .header-cta {
        min-width: 0;
        width: 100%;
        min-height: 46px;
        justify-content: center;
    }
}

@media (max-width: 640px) {
    .site-navbar {
        padding-top: 10px;
    }

    .header-shell {
        gap: 10px;
    }

    .site-brand {
        min-width: 102px;
        min-height: 48px;
        padding: 0 16px;
    }

    .site-brand__name {
        font-size: 1.6rem;
    }

    .nav-toggle {
        width: 48px;
        height: 48px;
    }

    .site-navigation__panel {
        padding: 10px;
        border-radius: 20px;
    }

    .nav-link,
    .dropdown-item,
    .menu-link {
        min-height: 46px;
        font-size: 0.72rem;
    }

    .submenu-toggle {
        width: 38px;
        min-width: 38px;
        height: 38px;
    }

    .site-navigation__tools {
        grid-template-columns: 44px minmax(0, 1fr);
        gap: 8px;
    }

    .header-tool-icon {
        width: 44px;
        min-height: 44px;
    }

    .header-cta {
        min-height: 44px;
        padding: 0 14px;
    }
}