:root {
    --tatami-header-height: 92px;
    --tatami-header-mobile-height: 78px;
}

.site-header {
    position: fixed;
    z-index: 1000;
    top: 0;
    right: 0;
    left: 0;
    width: 100%;
    min-height: var(--tatami-header-height);
    padding: 0;
    background: var(--tatami-header-bg, var(--kozaru-black));
    color: var(--tatami-header-text, var(--kozaru-white));
    border-bottom: 1px solid var(--tatami-header-border, rgba(255, 255, 255, 0.1));
}

body.admin-bar .site-header {
    top: 0;
}

body {
    padding-top: var(--tatami-header-height);
}

body.admin-bar {
    padding-top: var(--tatami-header-height);
}

.site-header__inner.kozaru-container {
    position: relative;
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    gap: 1rem;
    width: 100%;
    max-width: none;
    min-height: var(--tatami-header-height);
    margin: 0;
    padding: 0 1rem 0 0;
}

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

.site-branding__link,
.custom-logo-link {
    display: inline-flex;
    align-items: flex-start;
    justify-content: flex-start;
    height: 100%;
    color: inherit;
    text-decoration: none;
}

.site-branding__image,
.custom-logo,
.site-footer__logo-image {
    display: block;
    width: auto;
    height: auto;
}

.site-branding__image--full {
    width: 86px;
    max-height: var(--tatami-header-height);
    object-fit: contain;
}

.site-branding__image--wordmark {
    width: 320px;
    max-height: var(--tatami-header-height);
    object-fit: contain;
}

.custom-logo {
    max-width: 320px;
    max-height: var(--tatami-header-height);
}

.site-branding__fallback {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    min-height: var(--tatami-header-height);
    padding-inline: 1.25rem;
    color: var(--tatami-header-text, var(--kozaru-white));
    line-height: 1;
}

.site-branding__name {
    font-family: var(--kozaru-display);
    font-size: 1.2rem;
    letter-spacing: 0;
    text-transform: uppercase;
}

.site-branding__tagline {
    margin-top: 0.15rem;
    color: var(--tatami-header-muted, rgba(255, 255, 255, 0.7));
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

.site-header__actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.7rem;
    min-width: 0;
    padding-block: 0.85rem;
}

.site-navigation {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    min-width: 0;
}

.site-navigation ul {
    display: flex;
    align-items: center;
    gap: 0.1rem;
    padding: 0;
    margin: 0;
    list-style: none;
}

.site-navigation li {
    position: relative;
}

.site-navigation a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0.58rem 0.82rem;
    color: var(--tatami-header-link, rgba(255, 255, 255, 0.86));
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: 0;
    text-decoration: none;
    text-transform: uppercase;
    border-radius: var(--kozaru-radius-sm);
    transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.site-navigation a:hover,
.site-navigation a:focus {
    background: var(--tatami-header-hover, rgba(255, 255, 255, 0.08));
    color: var(--tatami-header-text, var(--kozaru-white));
}

.site-navigation .current-menu-item > a,
.site-navigation .current_page_item > a,
.site-navigation .current-menu-ancestor > a {
    background: transparent;
    box-shadow: none;
    color: var(--tatami-header-link, rgba(255, 255, 255, 0.86));
}

.site-navigation li.menu-item--button > a,
.site-navigation li.menu-item-cta > a,
.site-navigation li.logout > a {
    background: var(--kozaru-crimson);
    color: var(--kozaru-white);
}

.site-navigation li.menu-item--button > a:hover,
.site-navigation li.menu-item--button > a:focus,
.site-navigation li.menu-item-cta > a:hover,
.site-navigation li.menu-item-cta > a:focus,
.site-navigation li.logout > a:hover,
.site-navigation li.logout > a:focus {
    background: var(--kozaru-crimson-dark);
    color: var(--kozaru-white);
}

.site-navigation .sub-menu {
    position: absolute;
    top: calc(100% + 0.4rem);
    left: 0;
    display: none;
    min-width: 230px;
    padding: 0.45rem;
    background: var(--tatami-header-bg, var(--kozaru-black));
    border: 1px solid var(--tatami-header-border, var(--kozaru-border-light));
    border-radius: var(--kozaru-radius);
    box-shadow: var(--kozaru-shadow);
}

.site-navigation li:hover > .sub-menu,
.site-navigation li:focus-within > .sub-menu {
    display: grid;
}

.site-navigation .sub-menu a {
    justify-content: flex-start;
    width: 100%;
}

.site-header .kozaru-button,
.site-header .site-header__portal,
.site-header .site-header__cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0.78rem 1.08rem;
    font-weight: 900;
    letter-spacing: 0;
    line-height: 1;
    text-align: center;
    text-decoration: none;
    text-transform: uppercase;
    border-radius: var(--kozaru-radius);
    white-space: nowrap;
    transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.site-header .site-header__portal {
    color: var(--tatami-header-text, var(--kozaru-white));
    background: transparent;
    border: 1px solid var(--tatami-header-button-border, rgba(255, 255, 255, 0.44));
}

.site-header .site-header__portal:hover,
.site-header .site-header__portal:focus {
    color: var(--tatami-header-text, var(--kozaru-white));
    background: var(--tatami-header-hover, rgba(255, 255, 255, 0.1));
    border-color: var(--tatami-header-text, var(--kozaru-white));
}

.site-header .site-header__cta {
    color: var(--kozaru-white);
    background: var(--kozaru-crimson);
    border: 1px solid var(--kozaru-crimson);
}

.site-header .site-header__cta:hover,
.site-header .site-header__cta:focus {
    color: var(--kozaru-white);
    background: var(--kozaru-crimson-dark);
    border-color: var(--kozaru-crimson-dark);
}

.site-nav-toggle {
    display: none;
    width: 46px;
    height: 46px;
    padding: 0;
    align-self: center;
    background: var(--tatami-header-hover, rgba(255, 255, 255, 0.08));
    border: 1px solid var(--tatami-header-border, var(--kozaru-border-light));
    border-radius: var(--kozaru-radius);
    cursor: pointer;
}

.site-nav-toggle__line {
    display: block;
    width: 20px;
    height: 2px;
    margin: 5px auto;
    background: var(--tatami-header-text, var(--kozaru-white));
    border-radius: 999px;
}

@media (max-width: 1180px) {
    .site-branding__image--wordmark,
    .custom-logo {
        max-width: 260px;
    }

    .site-navigation a {
        padding-inline: 0.62rem;
        font-size: 0.78rem;
    }
}

@media (max-width: 980px) {
    .site-header__inner.kozaru-container {
        min-height: 74px;
    }

    .site-branding__image--wordmark,
    .custom-logo {
        max-width: 235px;
        max-height: 74px;
    }

    .site-branding__image--full {
        max-height: 74px;
    }

    .site-branding__fallback {
        min-height: 74px;
    }

    .site-nav-toggle {
        display: inline-block;
        flex: 0 0 auto;
        order: 4;
    }

    .site-header__actions {
        display: contents;
    }

    .site-navigation {
        position: absolute;
        top: calc(100% + 0.55rem);
        right: 0.75rem;
        left: 0.75rem;
        display: none;
        padding: 0.75rem;
        background: var(--tatami-header-bg, var(--kozaru-black));
        border: 1px solid var(--tatami-header-border, var(--kozaru-border-light));
        border-radius: var(--kozaru-radius);
        box-shadow: var(--kozaru-shadow);
    }

    .site-navigation.is-open {
        display: block;
    }

    .site-navigation ul,
    .site-navigation .sub-menu {
        position: static;
        display: grid;
        gap: 0.25rem;
        min-width: 0;
        padding: 0;
        background: transparent;
        border: 0;
        box-shadow: none;
    }

    .site-navigation .sub-menu {
        padding-left: 0.8rem;
    }

    .site-navigation a {
        justify-content: flex-start;
        width: 100%;
    }

    .site-header__portal {
        order: 2;
        margin-left: auto;
        align-self: center;
    }

    .site-header__cta {
        order: 3;
        align-self: center;
    }
}

@media (max-width: 782px) {
    body.admin-bar .site-header {
        top: 0;
    }
}

@media (max-width: 720px) {
    .site-header__inner.kozaru-container {
        gap: 0.55rem;
        padding-right: 0.65rem;
    }

    .site-branding__image--wordmark,
    .custom-logo {
        max-width: 190px;
    }

    .site-header__portal {
        display: none !important;
    }

    .site-header__cta {
        padding-inline: 0.85rem;
        font-size: 0.78rem;
    }
}

@media (max-width: 520px) {
    .site-header__cta {
        display: none !important;
    }

    .site-branding__image--wordmark,
    .custom-logo {
        max-width: 170px;
    }
}

/* Mobile navigation correction: fixed compact masthead with an accessible slide-down menu. */
.site-navigation__mobile-actions {
    display: none;
}

@media (max-width: 980px) {
    .site-header {
        position: fixed;
        top: 0;
        right: 0;
        left: 0;
        z-index: 1000;
        min-height: var(--tatami-header-mobile-height);
    }

    body {
        padding-top: var(--tatami-header-mobile-height);
    }

    body.admin-bar .site-header {
        top: 0;
    }

    .site-header__inner.kozaru-container {
        align-items: center;
        min-height: var(--tatami-header-mobile-height);
        padding: 0 0.85rem 0 0;
    }

    .site-branding,
    .site-branding__link,
    .custom-logo-link {
        min-height: var(--tatami-header-mobile-height);
    }

    .site-branding__image--wordmark,
    .custom-logo {
        display: block;
        max-width: min(255px, calc(100vw - 122px));
        max-height: var(--tatami-header-mobile-height);
        object-fit: contain;
        object-position: left top;
    }

    .site-branding__image--full {
        max-height: var(--tatami-header-mobile-height);
        object-fit: contain;
        object-position: left top;
    }

    .site-branding__fallback {
        min-height: var(--tatami-header-mobile-height);
    }

    .site-header__actions {
        display: flex;
        align-items: center;
        justify-content: flex-end;
        flex: 1 1 auto;
        gap: 0.65rem;
        min-width: 0;
        padding: 0;
    }

    .site-header__actions > .site-header__portal,
    .site-header__actions > .site-header__cta {
        display: none !important;
    }

    .site-nav-toggle {
        position: relative;
        z-index: 1002;
        display: inline-flex;
        flex: 0 0 auto;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        width: 52px;
        height: 52px;
        margin-left: auto;
        color: var(--tatami-header-text, var(--kozaru-white));
        background: var(--tatami-header-hover, rgba(255, 255, 255, 0.08));
        border-color: var(--tatami-header-button-border, rgba(255, 255, 255, 0.34));
        box-shadow: none;
    }

    .site-nav-toggle__line {
        width: 24px;
        height: 3px;
        margin: 3px auto;
        transition: opacity 160ms ease, transform 160ms ease;
    }

    .site-nav-toggle.is-active .site-nav-toggle__line:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

    .site-nav-toggle.is-active .site-nav-toggle__line:nth-child(2) {
        opacity: 0;
    }

    .site-nav-toggle.is-active .site-nav-toggle__line:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    .site-navigation {
        position: fixed;
        top: var(--tatami-header-mobile-height);
        right: 0;
        bottom: 0;
        left: 0;
        z-index: 1001;
        display: none;
        overflow-y: auto;
        padding: 1rem;
        background: var(--tatami-header-bg, var(--kozaru-black));
        border: 0;
        border-top: 1px solid var(--tatami-header-border, rgba(255, 255, 255, 0.14));
        border-radius: 0;
        box-shadow: 0 24px 60px rgba(0, 0, 0, 0.36);
        -webkit-overflow-scrolling: touch;
    }

    body.admin-bar .site-navigation {
        top: var(--tatami-header-mobile-height);
    }

    .site-navigation.is-open {
        display: block;
    }

    body.tatami-menu-open {
        overflow: hidden;
    }

    .site-navigation ul,
    .site-navigation .sub-menu {
        position: static;
        display: grid;
        gap: 0.45rem;
        min-width: 0;
        padding: 0;
        margin: 0;
        background: transparent;
        border: 0;
        border-radius: 0;
        box-shadow: none;
    }

    .site-navigation .sub-menu {
        display: grid !important;
        margin: 0.15rem 0 0.45rem 0.55rem;
        padding-left: 0.7rem;
        border-left: 2px solid var(--tatami-header-border, rgba(255, 255, 255, 0.16));
    }

    .site-navigation li {
        width: 100%;
    }

    .site-navigation a {
        justify-content: flex-start;
        width: 100%;
        min-height: 50px;
        padding: 0.9rem 1rem;
        font-size: 1rem;
        line-height: 1.15;
        border: 1px solid transparent;
        border-radius: var(--kozaru-radius);
    }

    .site-navigation .sub-menu a {
        min-height: 44px;
        padding: 0.72rem 0.85rem;
        font-size: 0.92rem;
        color: var(--tatami-header-muted, rgba(255, 255, 255, 0.72));
    }

    .site-navigation a:hover,
    .site-navigation a:focus,
    .site-navigation .current-menu-item > a,
    .site-navigation .current_page_item > a,
    .site-navigation .current-menu-ancestor > a {
        background: var(--tatami-header-hover, rgba(255, 255, 255, 0.09));
        border-color: var(--tatami-header-border, rgba(255, 255, 255, 0.14));
        color: var(--tatami-header-text, var(--kozaru-white));
    }

    .site-navigation__mobile-actions {
        display: grid;
        gap: 0.7rem;
        margin-top: 1rem;
        padding-top: 1rem;
        border-top: 1px solid var(--tatami-header-border, rgba(255, 255, 255, 0.14));
    }

    .site-navigation__mobile-actions .site-header__portal,
    .site-navigation__mobile-actions .site-header__cta {
        display: inline-flex !important;
        width: 100%;
        min-height: 52px;
    }
}

@media (min-width: 783px) and (max-width: 980px) {
    body.admin-bar .site-header {
        top: 0;
    }

    body.admin-bar .site-navigation {
        top: var(--tatami-header-mobile-height);
    }
}

@media (max-width: 520px) {
    :root {
        --tatami-header-mobile-height: 72px;
    }

    .site-header__inner.kozaru-container {
        padding-right: 0.65rem;
    }

    .site-branding__image--wordmark,
    .custom-logo {
        max-width: min(210px, calc(100vw - 108px));
    }

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

/* Final fixed-header guard: Tatami owns the public masthead position. */
.site-header,
body.admin-bar .site-header {
    position: fixed !important;
    top: 0 !important;
    right: 0;
    left: 0;
}

body,
body.admin-bar {
    padding-top: var(--tatami-header-height) !important;
}

@media (max-width: 980px) {
    body,
    body.admin-bar {
        padding-top: var(--tatami-header-mobile-height) !important;
    }

    .site-navigation,
    body.admin-bar .site-navigation {
        top: var(--tatami-header-mobile-height) !important;
    }
}