/* ============================================================
   SITE HEADER
   ============================================================ */

.site-header {
    position: sticky;
    top: 0;
    z-index: 200;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
}

.site-header--scrolled {
    box-shadow: 0 1px 6px rgba(13,27,53,0.08);
}

.site-header--menu-open {
    border-bottom-color: transparent;
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    height: 64px;
}

/* ============================================================
   LOGO
   ============================================================ */

.site-header__logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    flex-shrink: 0;
    text-decoration: none;
}

.site-header__logo img {
    height: 32px;
    width: auto;
    display: block;
}

.site-header__logo-text {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--color-navy);
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.site-header__logo-text strong {
    font-weight: 700;
}

/* ============================================================
   PRIMARY NAV
   ============================================================ */

.site-nav {
    display: none;
    align-items: center;
    flex: 1;
    gap: 0;
    margin-left: 3rem;
}

@media (min-width: 1024px) {
    .site-nav {
        display: flex;
    }
}

.site-nav__list {
    display: flex;
    align-items: center;
    flex: 1;
}

.site-nav__item {
    position: relative;
}

.site-nav__trigger {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;       /* 14px per spec */
    font-weight: 500;
    color: var(--color-navy);
    border: none;
    background: none;
    cursor: pointer;
    transition: color var(--transition);
    white-space: nowrap;
    border-bottom: 2px solid transparent;
}

.site-nav__trigger:hover,
.site-nav__item--open .site-nav__trigger {
    color: var(--color-interactive);
}

/* Active item: gold underline per spec */
.site-nav__item--active .site-nav__trigger {
    border-bottom-color: var(--color-gold);
    color: var(--color-navy);
}

.site-nav__chevron {
    transition: transform var(--transition);
    flex-shrink: 0;
    color: var(--color-text-muted);
}

.site-nav__item--open .site-nav__chevron {
    transform: rotate(180deg);
}

/* ============================================================
   HEADER RIGHT SIDE (language + actions)
   ============================================================ */

.site-header__right {
    display: none;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

@media (min-width: 1024px) {
    .site-header__right {
        display: flex;
    }
}

/* Language selector */
.lang-selector {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.4rem 0.625rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-sec);
    border: none;
    background: none;
    cursor: pointer;
    border-radius: var(--radius);
    transition: color var(--transition), background-color var(--transition);
}

.lang-selector:hover {
    color: var(--color-navy);
    background-color: var(--color-light-bg);
}

.lang-selector svg {
    color: var(--color-text-muted);
}

/* ============================================================
   MEGA MENU — unified full-width panel
   ============================================================ */

.mega-menu {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 8px 24px rgba(13,27,53,0.08);
    z-index: 300;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    transition: opacity 0.18s ease, transform 0.18s ease;
}

.mega-menu.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

/* Inner container — stretches closer to viewport edges */
.mega-menu__wrap {
    max-width: 1440px;
    margin: 0 auto;
    padding: 1.75rem 2.5rem;
    display: flex;
    gap: 0;
}

/* Each column — flex column so promo card can push to bottom */
.mega-menu__col {
    flex: 1;
    padding: 0 1.5rem 0 0;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.mega-menu__col + .mega-menu__col {
    padding-left: 1.5rem;
    border-left: 1px solid var(--color-border);
}

/* Column header: icon + label */
.mega-menu__col-head {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-border);
    transition: border-color 0.15s ease;
}

.mega-menu__col-icon {
    color: var(--color-text-muted);
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    transition: color 0.15s ease;
}

.mega-menu__col-label {
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    transition: color 0.15s ease;
}

/* Sub-list: small indented links below a main mega menu link */
.mega-menu__sub-list {
    list-style: none;
    padding: 0 0 0.375rem 0;
    margin: 0;
    display: flex;
    flex-direction: column;
}

.mega-menu__sub-list li a {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    text-decoration: none;
    padding: 0.2rem 0.5rem 0.2rem 1rem;
    border-radius: var(--radius);
    transition: color var(--transition);
    position: relative;
}

.mega-menu__sub-list li a::before {
    content: '·';
    position: absolute;
    left: 0.375rem;
    color: var(--color-border);
}

.mega-menu__sub-list li a:hover {
    color: var(--color-interactive);
}

/* Promo card at bottom of column — uses margin-top: auto to stick to bottom */
.mega-menu__promo {
    margin-top: auto;
    padding-top: 1.25rem;
    padding: 0.875rem 1rem;
    background-color: #EBF3FF;
    border: 1px solid rgba(0,87,184,0.15);
    border-radius: var(--radius);
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    margin-top: 1.25rem;
}

.mega-menu__promo-icon {
    color: var(--color-interactive);
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    margin-top: 0.1rem;
}

.mega-menu__promo p {
    font-size: 0.8125rem;
    color: var(--color-interactive);
    line-height: 1.5;
    margin: 0;
    font-weight: 500;
}

/* Active column — gold underline on the column header */
.mega-menu__col.is-active .mega-menu__col-head {
    border-bottom: 2px solid var(--color-gold);
}

.mega-menu__col.is-active .mega-menu__col-icon {
    color: var(--color-interactive);
}

.mega-menu__col.is-active .mega-menu__col-label {
    color: var(--color-navy);
}

/* Sub-group heading within a column (e.g. "By Role") */
.mega-menu__group-head {
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin: 1rem 0 0.375rem;
}

.mega-menu__group-head:first-child {
    margin-top: 0;
}

.mega-menu__list {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

/* ============================================================
   MEGA MENU LINKS
   ============================================================ */

.mega-menu__link {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
    padding: 0.4rem 0.5rem;
    border-radius: var(--radius);
    text-decoration: none;
    transition: background-color var(--transition);
}

.mega-menu__link:hover {
    background-color: var(--color-light-bg);
}

.mega-menu__link-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: #4A5568;
    line-height: 1.3;
    transition: color var(--transition);
}

.mega-menu__link:hover .mega-menu__link-title {
    color: var(--color-interactive);
}

.mega-menu__link-desc {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}

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

.menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 9px;
    border-radius: var(--radius);
    transition: background-color var(--transition);
}

@media (min-width: 1024px) {
    .menu-toggle { display: none; }
}

.menu-toggle:hover {
    background-color: var(--color-light-bg);
}

.menu-toggle__bar {
    display: block;
    width: 100%;
    height: 1.5px;
    background-color: var(--color-navy);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
}

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

.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
}

/* ============================================================
   MOBILE NAV DRAWER
   ============================================================ */

@media (max-width: 1023px) {
    .site-nav {
        display: none;
        position: fixed;
        inset: 64px 0 0 0;
        background-color: var(--color-white);
        flex-direction: column;
        align-items: stretch;
        padding: 1rem 1.5rem 2rem;
        overflow-y: auto;
        z-index: 199;
        border-top: 1px solid var(--color-border);
    }

    .site-nav.is-open {
        display: flex;
    }

    .site-nav__list {
        flex-direction: column;
        align-items: stretch;
    }

    .site-nav__trigger {
        width: 100%;
        justify-content: space-between;
        padding: 0.875rem 0;
        border-bottom: 1px solid var(--color-border);
        border-radius: 0;
        font-size: 0.9375rem;
    }

    .mega-menu {
        position: static;
        opacity: 1;
        transform: none;
        pointer-events: auto;
        box-shadow: none;
        border: none;
        border-top: 1px solid var(--color-border);
        transition: none;
        display: none;
    }

    .mega-menu.is-open {
        display: block;
    }

    .mega-menu__wrap {
        flex-direction: column;
        padding: 0.5rem 0 0.5rem 1rem;
        gap: 0;
    }

    .mega-menu__col {
        padding: 0;
    }

    .mega-menu__col + .mega-menu__col {
        padding-left: 0;
        border-left: none;
        border-top: 1px solid var(--color-border);
        padding-top: 0.5rem;
        margin-top: 0.5rem;
    }

    .mega-menu__col-head {
        display: none;
    }

    .mega-menu__promo {
        display: none;
    }

    .mega-menu__sub-list {
        display: none;
    }

    .site-header__right {
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
        margin-top: 1.5rem;
    }

    .site-header__right .btn {
        justify-content: center;
    }

    .lang-selector {
        display: none;
    }
}