/* =================================================================== HEADER global css =================================================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);

    & .site-header__topbar {
        background: var(--navy-950);
        color: rgba(255, 255, 255, .78);
        font-size: var(--f13);
        transition: var(--transition);
    }

    & .site-header__topbar-inner {
        display: flex; align-items: center; justify-content: space-between;
        gap: var(--sp20);
        min-height: 42px;
    }

    & .site-header__note {
        display: flex; align-items: center;
        gap: var(--sp8);
        font-size: var(--f13);
        color: inherit;
        & svg { color: var(--orange-400); }
    }

    & .site-header__live {
        display: flex; align-items: center;
        gap: var(--sp10);
        font-weight: 500;
        color: var(--white);
        &:hover .site-header__live-cta { color: var(--white); }
    }

    & .site-header__live-dot {
        width: 8px; height: 8px;
        background: var(--coral-500);
        border-radius: var(--r-full);
        box-shadow: 0 0 0 4px rgba(241, 80, 57, .25);
    }

    & .site-header__live-cta {
        font-weight: 600;
        color: var(--blue-400);
        text-decoration: underline;
        text-underline-offset: 3px;
        transition: var(--transition);
    }

    & .site-header__bar {
        background: var(--white);
        border-bottom: 1px solid var(--line);
        transition: var(--transition);
    }

    & .site-header__inner {
        display: flex; align-items: center; justify-content: space-between;
        gap: var(--sp30);
        min-height: 84px;
    }

    & .site-header__logo img { width: 190px; height: auto; }

    & .site-header__actions {
        display: flex; align-items: center;
        gap: var(--sp15);
    }

    & .site-header__burger {
        display: none;
        flex-direction: column; justify-content: center;
        gap: 5px;
        width: 46px; height: 46px;
        padding: 0 var(--sp12);
        background: var(--surface-1);
        border-radius: var(--r-full);

        & span {
            display: block;
            height: 2px;
            background: var(--ink);
            border-radius: 2px;
        }
        & span:nth-child(2) { width: 70%; }
        &:hover { background: var(--blue-50); }
    }

    &.is-scrolled .site-header__bar { box-shadow: var(--shadow-sm); border-color: transparent; }

    /* ---------- primary nav ---------- */
    & .site-nav { display: flex; align-items: center; }

    & .site-nav__head, & .site-nav__mobile-cta { display: none; }

    & .site-nav__list {
        display: flex; align-items: center;
        gap: var(--sp8);
    }

    & .site-nav__item { position: relative; }

    & .site-nav__link {
        display: flex; align-items: center;
        gap: var(--sp8);
        padding: var(--sp10) var(--sp15);
        border-radius: var(--r-sm);
        font-size: var(--f15);
        font-weight: 600;
        color: var(--ink);
        transition: var(--transition);

        &:hover, &[aria-expanded="true"] { background: var(--blue-50); color: var(--primary); }
        &[aria-current="page"] { color: var(--primary); }
    }

    & .site-nav__caret { transition: var(--transition); }
    & .site-nav__link[aria-expanded="true"] .site-nav__caret { transform: rotate(180deg); }

    & .site-nav__item.is-active > .site-nav__link { color: var(--primary); }

    & .site-nav__drop {
        position: absolute; top: calc(100% + 12px); left: 50%;
        z-index: var(--z-drop);
        display: grid;
        gap: var(--sp4);
        width: 320px;
        padding: var(--sp12);
        background: var(--white);
        border: 1px solid var(--line);
        border-radius: var(--r-md);
        box-shadow: var(--shadow-sm);
        opacity: 0;
        visibility: hidden;
        transform: translate(-50%, 8px);
        transition: var(--transition);

        &::before {
            position: absolute; inset: -14px 0 auto;
            height: 14px;
            content: "";
        }
    }

    & .site-nav__drop--cols {
        grid-template-columns: 1fr 1fr;
        width: 460px;
    }

    & .site-nav__drop-all { grid-column: 1 / -1; border-bottom: 1px solid var(--line); padding-bottom: var(--sp4); margin-bottom: var(--sp4); }

    & .site-nav__drop-link {
        display: flex; flex-direction: column;
        gap: 2px;
        padding: var(--sp10) var(--sp15);
        border-radius: var(--r-md);
        transition: var(--transition);

        & strong { font-size: var(--f15); font-weight: 600; color: var(--ink); }
        & span { font-size: var(--f13); line-height: 1.4; color: var(--muted); }
        &:hover { background: var(--blue-50); }
        &:hover strong { color: var(--primary); }
    }

    & .site-nav__item--has-drop.is-open .site-nav__drop,
    & .site-nav__item--has-drop:focus-within .site-nav__drop {
        opacity: 1;
        visibility: visible;
        transform: translate(-50%, 0);
    }

    & .site-nav__backdrop { display: none; }
}

/* =================================================================== RESPONSIVE =================================================================== */
@media (min-width: 1200px) {
    .site-header .site-nav__item--has-drop:hover .site-nav__drop {
        opacity: 1;
        visibility: visible;
        transform: translate(-50%, 0);
    }
}

@media (max-width: 1365.98px) {
    .site-header {
        & .site-nav__link { padding-inline: var(--sp12); font-size: var(--f14); }
        & .site-header__logo img { width: 165px; }
    }
}

@media (max-width: 1199.98px) {
    .site-header {
        & .site-header__burger { display: flex; }

        & .site-nav {
            position: fixed; inset: 0 0 0 auto;
            z-index: var(--z-modal);
            flex-direction: column; align-items: stretch;
            gap: var(--sp20);
            width: min(380px, 88vw);
            padding: var(--sp20);
            background: var(--white);
            overflow-y: auto;
            transform: translateX(100%);
            transition: var(--ease-out);
        }

        & .site-nav__head {
            display: flex; align-items: center; justify-content: space-between;
            padding-bottom: var(--sp15);
            border-bottom: 1px solid var(--line);
        }

        & .site-nav__close {
            display: grid; place-items: center;
            width: 42px; height: 42px;
            background: var(--surface-1);
            border-radius: var(--r-full);
        }

        & .site-nav__list { flex-direction: column; align-items: stretch; gap: 0; }

        & .site-nav__item { border-bottom: 1px solid var(--line); }

        & .site-nav__link {
            justify-content: space-between;
            width: 100%;
            padding: var(--sp15) var(--sp4);
            border-radius: 0;
            font-size: var(--f16);
            &:hover, &[aria-expanded="true"] { background: transparent; }
        }

        & .site-nav__drop,
        & .site-nav__drop--cols {
            position: static;
            display: none;
            grid-template-columns: 1fr;
            width: 100%;
            padding: 0 0 var(--sp10);
            border: 0;
            box-shadow: none;
            opacity: 1;
            visibility: visible;
            transform: none;
        }

        & .site-nav__item--has-drop.is-open .site-nav__drop { display: grid; transform: none; }
        & .site-nav__item--has-drop:focus-within .site-nav__drop { transform: none; }

        & .site-nav__mobile-cta { display: inline-flex; width: 100%; margin-top: auto; }

        & .site-nav__backdrop {
            position: fixed; inset: 0;
            z-index: calc(var(--z-modal) - 1);
            display: block;
            background: var(--overlay);
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }

        &.nav-open .site-nav { transform: none; box-shadow: var(--shadow-sm); }
        &.nav-open .site-nav__backdrop { opacity: 1; visibility: visible; }
    }
}

@media (max-width: 991.98px) {
    .site-header {
        & .site-header__note { display: none; }
        & .site-header__topbar-inner { justify-content: center; }
    }
}

@media (max-width: 767.98px) {
    .site-header {
        & .site-header__cta { display: none; }
        & .site-header__inner { min-height: 70px; }
        & .site-header__live { font-size: var(--f13); }
    }
}

@media (max-width: 575.98px) {
    .site-header {
        & .site-header__live-cta { display: none; }
        & .site-header__logo img { width: 145px; }
    }
}