/* ========================================
   SITE HEADER
   ======================================== */
.site-header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 106px;
    z-index: 100;
    background-color: transparent;
    padding: 0 66px 0 20px;
    color: #ffffff;
}

.site-header::after {
    content: "";
    position: absolute;
    left: 90px;
    right: 66px;
    bottom: 10px;
    height: 1px;
    background-color: currentColor;
    pointer-events: none;
}

.site-header.is-sticky {
    position: fixed;
    height: 70px;
    padding: 0 66px 0 20px;
    background-color: #000000;
    border-bottom: 1px solid var(--color-primary);
    transform: translateY(0);
    animation: headerStickyIn 0.5s ease;
}

.site-header.is-sticky::after {
    display: none;
}

@keyframes headerStickyIn {
    from { transform: translateY(-100%); }
    to { transform: translateY(0); }
}

.site-header__inner {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    width: 100%;
}

/* Logo */
.site-branding {
    flex-shrink: 0;
}

.site-logo {
    position: relative;
    display: flex;
    align-items: center;
    height: 65px;
    max-height: 100%;
    text-decoration: none;
}

.site-logo__image {
    display: block;
    width: 165px;
    height: auto;
    max-height: 100%;
    object-fit: contain;
}

.site-header.is-sticky .site-logo {
    height: 70px;
    padding: 10px 0;
}

.site-header.is-sticky .site-logo__image {
    width: 135px;
}

/* Desktop switch navigation */
.main-navigation {
    position: absolute;
    top: calc(100% - 11px);
    right: 0;
    width: 300px;
    /* No fixed height — must fit all menu items without clipping */
    padding-top: 14px;
    text-align: right;
    pointer-events: none;
}

.main-navigation ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.main-navigation > ul {
    display: inline-block;
    width: 100%;
    text-align: left;
    pointer-events: auto;
}

.main-navigation li {
    position: relative;
    margin: 8px 0;
    padding: 0;
}

.main-navigation > ul > li:first-child {
    margin-top: 0;
}

.main-navigation > ul > li:last-child {
    margin-bottom: 0;
}

.main-navigation a {
    position: relative;
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    font-family: var(--font-body);
    font-size: var(--fs-12);
    line-height: 18px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #ffffff;
    text-decoration: none;
    transition: color 0.2s ease-out, opacity 0.2s ease-out;
}

.main-navigation > ul > li > a::before,
.mobile-menu-overlay__nav > ul > li > a::before {
    content: "";
    position: absolute;
    left: -16px;
    top: calc(50% - 1px);
    width: 32px;
    height: 1px;
    background-color: currentColor;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.52s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.main-navigation > ul > li > a:hover::before,
.main-navigation > ul > li.current-menu-item > a::before,
.main-navigation > ul > li.current-menu-ancestor > a::before,
.mobile-menu-overlay__nav > ul > li > a:hover::before,
.mobile-menu-overlay__nav > ul > li.current-menu-item > a::before,
.mobile-menu-overlay__nav > ul > li.current-menu-ancestor > a::before {
    transform: scaleX(1);
}

.main-navigation a:hover,
.main-navigation li:hover > a,
.main-navigation .current-menu-item > a,
.main-navigation .current-menu-ancestor > a {
    color: #ffffff;
}

/* Default = home vertical desktop menu: drill-down.
   When user clicks a parent item, JS adds .is-submenu-open to the nav and
   .is-active to the matching sub-menu. The sub-menu replaces the root list
   in the same position; a back button restores the root. */
.main-navigation .sub-menu {
    display: none;
    position: static;
    width: 100%;
    padding: 0;
    margin: 0;
    background: transparent;
    border: 0;
    list-style: none;
    text-align: right;
    pointer-events: none;
}

/* Hide every root <li> except the one whose sub-menu is active.
   We can't hide the <ul> itself because the active sub-menu lives inside it. */
.main-navigation.is-submenu-open > ul > li {
    display: none;
}

.main-navigation.is-submenu-open > ul > li.has-active-submenu {
    display: block;
    margin: 0;
}

/* And hide the parent label ("Projects") — its sub-menu replaces it. */
.main-navigation.is-submenu-open > ul > li.has-active-submenu > a {
    display: none;
}

.main-navigation.is-submenu-open .sub-menu.is-active {
    display: block;
    pointer-events: auto;
}

/* Drill-down back button (←). Hidden until .is-submenu-open. */
.main-navigation__back {
    display: none;
    position: relative;
    width: 64px;
    height: 14px;
    margin: 0 0 22px auto;
    padding: 0;
    background: transparent;
    border: 0;
    cursor: pointer;
    color: var(--color-text);
    pointer-events: auto;
}

.main-navigation__back::before {
    /* horizontal line */
    content: "";
    position: absolute;
    right: 0;
    top: 50%;
    width: 60px;
    height: 1px;
    background: currentColor;
    transform: translateY(-50%);
}

.main-navigation__back::after {
    /* arrow head pointing left */
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 8px;
    height: 8px;
    border-left: 1px solid currentColor;
    border-bottom: 1px solid currentColor;
    transform: translateY(-50%) rotate(45deg);
}

.main-navigation.is-submenu-open .main-navigation__back {
    display: block;
}

/* Slide+fade-in transition when switching between root and a sub-menu. */
@keyframes drillSlideIn {
    from { opacity: 0; transform: translateX(24px); }
    to   { opacity: 1; transform: translateX(0); }
}

.main-navigation.is-submenu-open .sub-menu.is-active,
.main-navigation.is-submenu-open .main-navigation__back {
    animation: drillSlideIn 0.4s ease-out both;
}

/* Animate the root list back in when the user goes back. JS adds
   .is-restoring for a single frame after .is-submenu-open is removed. */
.main-navigation.is-restoring > ul > li {
    animation: drillSlideIn 0.4s ease-out both;
}

/* Horizontal nav contexts (sticky scroll, or any non-home page):
   menu is a top bar, so sub-menus drop DOWN on hover (original behavior). */
.site-header.is-sticky .main-navigation .sub-menu,
body:not(.home) .main-navigation .sub-menu {
    display: block;
    position: absolute;
    top: 100%;
    right: auto;
    left: -37px;
    width: 250px;
    padding: 28px 0 27px;
    background-color: #000000;
    border: 1px solid var(--color-border);
    text-align: left;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.25s ease-out, visibility 0.25s ease-out;
    z-index: 20;
}

.site-header.is-sticky .main-navigation li:hover > .sub-menu,
.site-header.is-sticky .main-navigation li:focus-within > .sub-menu,
body:not(.home) .main-navigation li:hover > .sub-menu,
body:not(.home) .main-navigation li:focus-within > .sub-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* Hide the back button in horizontal mode (drill-down doesn't apply there). */
.site-header.is-sticky .main-navigation__back,
body:not(.home) .main-navigation__back {
    display: none !important;
}

.main-navigation .sub-menu li {
    margin: 0;
    padding: 0;
}

/* In horizontal mode the dropdown box gets interior padding around items. */
.site-header.is-sticky .main-navigation .sub-menu li,
body:not(.home) .main-navigation .sub-menu li {
    padding: 0 53px 0 37px;
}

.main-navigation .sub-menu a {
    display: flex;
    width: 100%;
    margin: 4px 0;
    font-size: var(--fs-15);
    line-height: 1.55;
    font-weight: 300;
    letter-spacing: 0;
    text-transform: none;
    color: var(--color-text);
    white-space: normal;
}

/* Drill-down: right-align sub-menu items so they line up with the
   right-edge layout of the root menu, and bump font-size to match the
   Tadao reference (sentence-case, slightly larger than root labels). */
.main-navigation.is-submenu-open .sub-menu.is-active a {
    justify-content: flex-end;
    font-size: var(--fs-18);
    line-height: 1.45;
    margin: 6px 0;
}

.main-navigation .sub-menu a::before {
    display: none;
}

.main-navigation .sub-menu a:hover,
.main-navigation .sub-menu li:hover > a,
.main-navigation .sub-menu .current-menu-item > a {
    color: #ffffff;
}

.main-navigation .sub-menu .sub-menu {
    top: -38px;
    left: 100%;
}

/* Sticky desktop navigation */
.site-header.is-sticky .main-navigation {
    position: static;
    width: auto;
    height: 100%;
    padding-top: 0;
    text-align: left;
    pointer-events: auto;
}

.site-header.is-sticky .main-navigation > ul {
    display: flex;
    align-items: center;
    height: 100%;
    width: auto;
    white-space: nowrap;
}

.site-header.is-sticky .main-navigation > ul > li {
    height: 100%;
    margin: 0 25px;
    display: flex;
    align-items: center;
}

.site-header.is-sticky .main-navigation > ul > li:first-child {
    margin-left: 0;
}

.site-header.is-sticky .main-navigation > ul > li:last-child {
    margin-right: 0;
}

.site-header.is-sticky .main-navigation > ul > li::after {
    content: "";
    position: absolute;
    right: -25px;
    top: 50%;
    width: 1px;
    height: 24px;
    background-color: var(--color-primary);
    transform: translateY(-50%);
}

.site-header.is-sticky .main-navigation > ul > li:last-child::after {
    display: none;
}

.site-header.is-sticky .main-navigation > ul > li > a {
    height: 100%;
    color: var(--color-primary-text);
}

.site-header.is-sticky .main-navigation .sub-menu {
    top: 100%;
}

.language-switcher {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: 22px;
    color: var(--color-primary-text);
}

.language-switcher ul {
    display: flex;
    gap: 10px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.language-switcher a,
.language-switcher .is-current {
    font-family: var(--font-body);
    font-size: var(--fs-12);
    line-height: 1;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: currentColor;
    text-decoration: none;
}

.language-switcher .is-current {
    opacity: 0.55;
}

/* Hamburger button */
.menu-toggle {
    position: relative;
    display: none;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 32px;
    margin-left: 20px;
    padding: 0;
    border: 0;
    background: transparent;
    color: #ffffff;
    cursor: pointer;
}

.menu-toggle svg {
    display: block;
    fill: none;
    stroke: currentColor;
    shape-rendering: crispEdges;
}

.menu-toggle__icon--close {
    display: none;
}

body.menu-open .menu-toggle__icon--open {
    display: none;
}

body.menu-open .menu-toggle__icon--close {
    display: block;
}

/* ========================================
   STANDARD SUBPAGE HEADER
   ======================================== */
body:not(.home) .site-header {
    position: relative;
    height: 110px;
    padding: 0 40px;
    background-color: #000000;
    color: var(--color-primary-text);
}

body:not(.home) .site-header::after {
    display: none;
}

body:not(.home) .main-navigation {
    position: static;
    width: auto;
    height: 100%;
    padding-top: 0;
    text-align: left;
    pointer-events: auto;
}

body:not(.home) .main-navigation > ul {
    display: flex;
    align-items: center;
    height: 100%;
    width: auto;
    white-space: nowrap;
}

body:not(.home) .main-navigation > ul > li {
    display: flex;
    align-items: center;
    height: 100%;
    margin: 0 25px;
}

body:not(.home) .main-navigation > ul > li:first-child {
    margin-left: 0;
}

body:not(.home) .main-navigation > ul > li:last-child {
    margin-right: 0;
}

body:not(.home) .main-navigation > ul > li::after {
    content: "";
    position: absolute;
    right: -25px;
    top: 50%;
    width: 1px;
    height: 24px;
    background-color: var(--color-primary);
    transform: translateY(-50%);
}

body:not(.home) .main-navigation > ul > li:last-child::after {
    display: none;
}

body:not(.home) .main-navigation > ul > li > a {
    height: 100%;
    color: var(--color-primary-text);
}

body:not(.home) .main-navigation .sub-menu {
    top: 100%;
}

body:not(.home) .site-header.is-sticky {
    position: fixed;
    height: 70px;
    padding: 0 66px 0 20px;
}

/* ========================================
   MOBILE MENU
   ======================================== */
.mobile-menu-overlay {
    display: none;
}

@media (max-width: 1024px) {
    .site-header,
    .site-header.is-sticky {
        position: absolute;
        height: 70px;
        padding: 0;
        background-color: rgba(255, 255, 255, 0.01);
        border-bottom: 1px solid #ffffff;
        animation: none;
    }

    .site-header::after {
        display: none;
    }

    .site-header__inner {
        padding: 0;
    }

    .site-logo,
    .site-header.is-sticky .site-logo {
        height: 70px;
        padding: 0;
    }

    .site-logo__image,
    .site-header.is-sticky .site-logo__image {
        width: 128px;
    }

    .main-navigation {
        display: none;
    }

    .language-switcher {
        margin-left: auto;
        margin-right: 18px;
    }

    .menu-toggle {
        display: flex;
    }

    .mobile-menu-overlay {
        position: absolute;
        top: 100%;
        left: 0;
        display: none;
        width: 100%;
        max-height: calc(100dvh - 70px);
        background-color: #000000;
        border-bottom: 1px solid var(--color-primary);
        overflow-x: hidden;
        overflow-y: auto;
        overscroll-behavior: contain;
        z-index: 10;
    }

    body.menu-open .mobile-menu-overlay {
        display: block;
    }

    body.menu-open {
        overflow: hidden;
    }

    .mobile-menu-overlay__nav > ul {
        max-width: 1300px;
        margin: 0 auto;
        padding: 34px 64px;
        list-style: none;
    }

    .mobile-menu-overlay__nav ul {
        margin: 0;
        list-style: none;
    }

    .mobile-menu-overlay__nav li {
        position: relative;
        margin: 0;
        padding: 4.5px 0;
    }

    .mobile-menu-overlay__nav a {
        position: relative;
        display: inline-flex;
        font-family: var(--font-body);
        font-size: var(--fs-12);
        line-height: 18px;
        font-weight: 700;
        letter-spacing: 0.15em;
        text-transform: uppercase;
        color: var(--color-primary-text);
        text-decoration: none;
    }

    .mobile-menu-overlay__nav a:hover,
    .mobile-menu-overlay__nav .current-menu-item > a,
    .mobile-menu-overlay__nav .current-menu-ancestor > a {
        color: var(--color-primary-text);
    }

    .mobile-menu-overlay__nav .sub-menu {
        display: none;
        padding-left: 14px;
    }

    .mobile-menu-overlay__nav li.is-open > .sub-menu {
        display: block;
    }

    .mobile-menu-overlay__nav .sub-menu a {
        font-size: var(--fs-15);
        line-height: 1.667;
        font-weight: 300;
        letter-spacing: 0;
        text-transform: none;
        color: var(--color-text);
    }

    .mobile-menu-overlay__nav .sub-menu a::before {
        display: none;
    }

    .mobile-menu-overlay__nav .sub-menu a:hover,
    .mobile-menu-overlay__nav .sub-menu .current-menu-item > a {
        color: #ffffff;
    }

    .submenu-toggle {
        position: absolute;
        top: 3px;
        right: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        width: 28px;
        height: 28px;
        padding: 0;
        border: 0;
        background: transparent;
        color: var(--color-primary-text);
        cursor: pointer;
        transition: transform 0.25s ease-out;
    }

    .submenu-toggle::before {
        content: "";
        display: block;
        width: 8px;
        height: 8px;
        border-top: 1px solid currentColor;
        border-right: 1px solid currentColor;
        transform: rotate(45deg);
    }

    .mobile-menu-overlay__nav li.is-open > .submenu-toggle {
        transform: rotate(90deg);
    }
}

@media (max-width: 680px) {
    .site-header__inner {
        padding: 0;
    }

    .mobile-menu-overlay__nav > ul {
        padding-right: 27px;
        padding-left: 27px;
    }
}