/**
 * =============================================================
 * PRCF GLOBAL DIGITAL INSTITUTION
 * CIDA HEADER NAVIGATION FINAL — PRODUCTION v1.0
 * =============================================================
 */


/* =============================================================
   HEADER STACKING
   ============================================================= */

.site-header {
    position: relative;
    z-index: 3000;
    overflow: visible;
}

.main-header {
    position: relative;
    z-index: 3100;
    overflow: visible;
}

.main-header-inner {
    position: relative;
    overflow: visible;
}

.language-bar {
    position: relative;
    z-index: 100;
}

.primary-navigation {
    overflow: visible;
}


/* =============================================================
   DESKTOP NAVIGATION
   ============================================================= */

.primary-navigation {
    position: relative;

    display: flex;
    align-items: center;
    justify-content: flex-end;

    flex: 1 1 auto;

    min-width: 0;

    gap:
        clamp(
            7px,
            .72vw,
            13px
        );

    white-space: nowrap;
}


.primary-navigation > a,
.primary-navigation .nav-parent-link {
    display: inline-flex;
    align-items: center;

    min-height: 42px;

    padding:
        6px
        0;

    color: inherit;

    font-size:
        clamp(
            .70rem,
            .74vw,
            .82rem
        );

    font-weight: 700;

    line-height: 1.35;

    text-decoration: none;

    white-space: nowrap;
}


.primary-navigation > a:hover,
.primary-navigation > a:focus-visible,
.primary-navigation .nav-parent-link:hover,
.primary-navigation .nav-parent-link:focus-visible {
    opacity: .82;
}


/* =============================================================
   DROPDOWN ROOT
   ============================================================= */

.primary-navigation .nav-dropdown {
    position: relative;

    display: flex;
    align-items: center;

    flex: 0 0 auto;

    min-width: 0;
}


.primary-navigation .nav-parent-row {
    position: relative;

    display: inline-flex;
    align-items: center;

    gap: 2px;

    min-height: 42px;

    white-space: nowrap;
}


/* =============================================================
   TOGGLE
   ============================================================= */

.primary-navigation .nav-dropdown-toggle {
    appearance: none;
    -webkit-appearance: none;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    flex: 0 0 26px;

    width: 26px;
    height: 36px;

    margin: 0;
    padding: 0;

    border: 0;
    border-radius: 5px;

    background: transparent;
    color: inherit;

    font: inherit;
    font-size: .68rem;

    line-height: 1;

    cursor: pointer;

    transition:
        background-color .15s ease,
        transform .15s ease;
}


.primary-navigation .nav-dropdown-toggle:hover,
.primary-navigation .nav-dropdown-toggle:focus-visible {
    background:
        rgba(
            255,
            255,
            255,
            .07
        );
}


.primary-navigation .nav-dropdown-toggle:focus-visible {
    outline:
        2px solid
        currentColor;

    outline-offset:
        2px;
}


.primary-navigation
.nav-dropdown.is-open
.nav-dropdown-toggle {
    transform: rotate(180deg);
}


/* =============================================================
   DESKTOP MEGA DROPDOWN

   IMPORTANT:
   No physical hover gap exists between trigger and submenu.
   ============================================================= */

.primary-navigation .nav-submenu {
    position: absolute;

    /*
     * Critical fix:
     * submenu physically overlaps parent edge by 2px.
     * Pointer never travels through an empty gap.
     */
    top: calc(100% - 2px);

    left: 50%;

    z-index: 5000;

    display: grid;

    grid-template-columns:
        repeat(
            2,
            minmax(
                185px,
                1fr
            )
        );

    gap:
        .3rem;

    width: max-content;

    min-width: 400px;

    max-width:
        min(
            590px,
            calc(100vw - 32px)
        );

    /*
     * Top padding creates visual spacing
     * while remaining part of hoverable submenu.
     */
    padding:
        13px
        9px
        9px;

    border:
        1px solid
        rgba(
            255,
            255,
            255,
            .12
        );

    border-radius:
        11px;

    background:
        #121c2b;

    box-shadow:
        0
        22px
        54px
        rgba(
            0,
            0,
            0,
            .38
        );

    opacity: 0;

    visibility: hidden;

    pointer-events: none;

    transform:
        translate(
            -50%,
            5px
        );

    transition:
        opacity .13s ease,
        transform .13s ease,
        visibility .13s ease;
}


/*
 * Expanded invisible pointer-safe zone.
 */

.primary-navigation
.nav-submenu::before {
    content: "";

    position: absolute;

    left: 0;
    right: 0;

    top: -10px;

    height: 14px;

    background:
        transparent;
}


/* =============================================================
   OPEN STATES
   ============================================================= */

@media (min-width: 1101px) {

    .primary-navigation
    .nav-dropdown:hover
    > .nav-submenu,

    .primary-navigation
    .nav-dropdown:focus-within
    > .nav-submenu,

    .primary-navigation
    .nav-dropdown.is-open
    > .nav-submenu {

        opacity: 1;

        visibility: visible;

        pointer-events: auto;

        transform:
            translate(
                -50%,
                0
            );
    }

}


/* =============================================================
   SUBMENU LINKS
   ============================================================= */

.primary-navigation
.nav-submenu > a {
    display: flex;
    align-items: center;

    min-width: 0;

    min-height: 44px;

    padding:
        .66rem
        .76rem;

    border-radius:
        7px;

    color:
        #f4f7fb;

    font-size:
        .79rem;

    font-weight:
        650;

    line-height:
        1.55;

    text-decoration:
        none;

    white-space:
        normal;

    overflow-wrap:
        anywhere;
}


.primary-navigation
.nav-submenu > a:hover,

.primary-navigation
.nav-submenu > a:focus-visible {
    background:
        rgba(
            255,
            255,
            255,
            .075
        );
}


.primary-navigation
.nav-submenu > a:focus-visible {
    outline:
        2px solid
        currentColor;

    outline-offset:
        -2px;
}


/* =============================================================
   WHO WE ARE
   Left aligned
   ============================================================= */

.primary-navigation
#who-we-are-navigation
> .nav-submenu {

    left: 0;

    transform:
        translate(
            0,
            5px
        );
}


@media (min-width: 1101px) {

    .primary-navigation
    #who-we-are-navigation:hover
    > .nav-submenu,

    .primary-navigation
    #who-we-are-navigation:focus-within
    > .nav-submenu,

    .primary-navigation
    #who-we-are-navigation.is-open
    > .nav-submenu {

        transform:
            translate(
                0,
                0
            );
    }

}


/* =============================================================
   OUR WORK
   ============================================================= */

.primary-navigation
#our-work-navigation
> .nav-submenu {

    min-width:
        400px;
}


/* =============================================================
   INTERNATIONAL
   Right aligned to avoid viewport overflow
   ============================================================= */

.primary-navigation
#international-navigation
> .nav-submenu {

    left: auto;

    right: 0;

    min-width:
        440px;

    transform:
        translate(
            0,
            5px
        );
}


@media (min-width: 1101px) {

    .primary-navigation
    #international-navigation:hover
    > .nav-submenu,

    .primary-navigation
    #international-navigation:focus-within
    > .nav-submenu,

    .primary-navigation
    #international-navigation.is-open
    > .nav-submenu {

        transform:
            translate(
                0,
                0
            );
    }

}


/* =============================================================
   MYANMAR DESKTOP
   ============================================================= */

html[lang="my"]
.primary-navigation {
    gap:
        clamp(
            4px,
            .48vw,
            9px
        );
}


html[lang="my"]
.primary-navigation > a,

html[lang="my"]
.primary-navigation
.nav-parent-link {

    font-size:
        clamp(
            .65rem,
            .68vw,
            .76rem
        );

    line-height:
        1.5;
}


html[lang="my"]
.primary-navigation
.nav-submenu > a {

    font-size:
        .80rem;

    line-height:
        1.7;
}


/* =============================================================
   MEDIUM DESKTOP
   ============================================================= */

@media (
    min-width: 1101px
)
and (
    max-width: 1450px
) {

    .primary-navigation {
        gap:
            5px;
    }


    .primary-navigation > a,
    .primary-navigation
    .nav-parent-link {

        font-size:
            .68rem;
    }


    html[lang="my"]
    .primary-navigation > a,

    html[lang="my"]
    .primary-navigation
    .nav-parent-link {

        font-size:
            .63rem;
    }


    .primary-navigation
    .nav-submenu {

        min-width:
            380px;
    }


    .primary-navigation
    #international-navigation
    > .nav-submenu {

        min-width:
            420px;
    }

}


/* =============================================================
   MOBILE / TABLET
   Unified breakpoint = 1100px
   ============================================================= */

@media (max-width: 1100px) {

    .main-header {
        overflow:
            visible;
    }


    .main-header-inner {
        flex-wrap:
            wrap;
    }


    .primary-navigation {
        display:
            none;

        position:
            absolute;

        top:
            100%;

        left:
            0;

        right:
            0;

        z-index:
            6000;

        width:
            100%;

        flex-direction:
            column;

        align-items:
            stretch;

        gap:
            0;

        padding:
            14px
            20px
            18px;

        border-bottom:
            1px solid
            rgba(
                255,
                255,
                255,
                .12
            );

        background:
            #121c2b;

        box-shadow:
            0
            18px
            40px
            rgba(
                0,
                0,
                0,
                .28
            );

        white-space:
            normal;
    }


    .primary-navigation.open,
    .primary-navigation.is-open {
        display:
            flex;
    }


    .primary-navigation > a {

        display:
            flex;

        width:
            100%;

        min-height:
            44px;

        align-items:
            center;

        padding:
            10px
            5px;

        border-bottom:
            1px solid
            rgba(
                255,
                255,
                255,
                .09
            );

        font-size:
            .86rem;

        white-space:
            normal;
    }


    html[lang="my"]
    .primary-navigation > a {

        font-size:
            .82rem;
    }


    .primary-navigation
    .nav-dropdown {

        display:
            block;

        width:
            100%;
    }


    .primary-navigation
    .nav-parent-row {

        display:
            flex;

        width:
            100%;

        align-items:
            center;

        justify-content:
            space-between;

        min-height:
            44px;

        border-bottom:
            1px solid
            rgba(
                255,
                255,
                255,
                .09
            );
    }


    .primary-navigation
    .nav-parent-link {

        flex:
            1
            1
            auto;

        min-width:
            0;

        min-height:
            44px;

        padding:
            10px
            5px;

        font-size:
            .86rem;

        white-space:
            normal;
    }


    html[lang="my"]
    .primary-navigation
    .nav-parent-link {

        font-size:
            .82rem;
    }


    .primary-navigation
    .nav-dropdown-toggle {

        width:
            44px;

        height:
            44px;

        flex:
            0
            0
            44px;
    }


    .primary-navigation
    .nav-submenu,

    .primary-navigation
    #who-we-are-navigation
    > .nav-submenu,

    .primary-navigation
    #our-work-navigation
    > .nav-submenu,

    .primary-navigation
    #international-navigation
    > .nav-submenu {

        position:
            static;

        display:
            none;

        grid-template-columns:
            1fr;

        width:
            100%;

        min-width:
            0;

        max-width:
            none;

        margin:
            0
            0
            8px;

        padding:
            5px
            0
            7px
            15px;

        border:
            0;

        border-left:
            1px solid
            rgba(
                255,
                255,
                255,
                .14
            );

        border-radius:
            0;

        background:
            transparent;

        box-shadow:
            none;

        opacity:
            1;

        visibility:
            visible;

        pointer-events:
            auto;

        transform:
            none;
    }


    .primary-navigation
    .nav-submenu::before {
        display:
            none;
    }


    .primary-navigation
    .nav-dropdown.is-open
    > .nav-submenu {

        display:
            grid;

        transform:
            none;
    }


    .primary-navigation
    .nav-submenu > a {

        min-height:
            40px;

        padding:
            9px
            8px;

        border-bottom:
            0;

        font-size:
            .82rem;

        line-height:
            1.55;

        white-space:
            normal;
    }


    html[lang="my"]
    .primary-navigation
    .nav-submenu > a {

        font-size:
            .79rem;

        line-height:
            1.7;
    }

}


/* =============================================================
   ACCESSIBILITY
   ============================================================= */

@media (prefers-reduced-motion: reduce) {

    .primary-navigation
    .nav-submenu,

    .primary-navigation
    .nav-dropdown-toggle {

        transition:
            none;
    }

}