/* =========================================================
   header.css
   Style cho Header — CHỈ còn topbar (logo + nút hành động +
   thông tin liên hệ). Đã bỏ toàn bộ navbar / mega menu / menu
   mobile vì website này không dùng thanh điều hướng.
   ========================================================= */

:root {
    --blue: #0756af;
    --lightblue: #a5caff;
    --cyan: #08bdef;
    --light: #eaf5ff;
    --ink: #073b78;
    --muted: #5d728c;
    --line: #dfeaf5;
    --radius: 10px
}

.container {
    width: min(1180px,calc(100% - 40px));
    margin: auto
}

/* ============ SITE HEADER (fixed) ============ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 9999;
    box-shadow: 0 2px 8px #173b6730;
}

.topbar {
    background: var(--lightblue);
    min-height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 90px;
}

/* ============ LOGO ============ */
.brand {
    display: flex;
    align-items: center;
    gap: 9px;
    text-decoration: none;
    color: white
}

.logos {
    gap: 10px
}

.logo {
    background-color: white;
    width: 135px;
    height: 55px;
    padding: 3px;
    overflow: hidden;
    border-radius: 7px;
    display: grid;
    place-items: center;
    text-align: center;
    text-decoration: none;
    color: #d7edff;
    font-size: 10px;
    line-height: 1.2;
    font-weight: 700
}

    .logo:hover {
        background: #ffffff12
    }

    .logo img {
        max-width: 100%;
        max-height: 100%;
        width: auto;
        height: auto;
        object-fit: contain;
    }

/* ============ THÔNG TIN LIÊN HỆ ============ */
.header-contact {
    display: flex;
    gap: 16px;
}

    .header-contact a {
        font-family: "Nunito";
        color: white;
        text-decoration: none;
        font-weight: 600;
    }

/* =========================================================
   RESPONSIVE HEADER
   ========================================================= */

@media (max-width: 991px) {
    .topbar {
        padding: 0 40px;
    }

    .header-contact {
        display: none;
    }
}

@media (max-width: 768px) {
    .topbar {
        padding: 0 15px;
    }
}

@media (max-width: 600px) {

    .topbar {
        flex-wrap: wrap;
        justify-content: center;
        align-items: center;
        min-height: auto;
        padding: 18px 15px;
        row-gap: 12px;
        column-gap: 8px;
    }

    /* Hàng 1: logo — full width, căn giữa */
    .brand.logos {
        order: 1;
        flex: 1 0 100%;
        justify-content: center;
    }

    .logo {
        width: 90px;
        height: 38px;
        font-size: 9px;
    }

    /* Hàng 2: hotline + email */
    .header-contact {
        order: 2;
        display: flex !important;
        flex: 1 0 100%;
        flex-direction: column;
        align-items: center;
        gap: 6px;
    }

        .header-contact a {
            color: var(--ink);
            font-size: 13px;
            text-align: center;
        }
}