.bg_header {
    background: #002F5D;
    box-shadow: 0 3px 6px 2px rgba(0, 0, 0, 0.08);
}

.logo {
    height: 70px;
    padding: 0 20px;
    border-radius: 0 50% 50% 0;
    display: flex;
    align-items: center;

}

.logo img {
    height: 70px;
    width: 193px;
    min-width: 193px;
}


.grid_header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding-right: 80px;
    padding-left: 80px;
}



.header_right {
    display: flex;
    justify-content: end;
    align-items: center;
    width: 100%;
}


.paginas {
    display: flex;
    align-items: center;
    gap: 20px;
}

.paginas li {
    text-transform: uppercase;
    font-size: 0.875rem;
    font-weight: 700;
    color: #fff;
    cursor: pointer;
    transition: 0.3s;
    font-family: 'IBM Plex Sans', sans-serif;
    display: flex;
    align-items: center;
}

.paginas li:not(:first-child)::before {
    content: '';
    display: inline-block;
    width: 3px;
    height: 20px;
    background: #fff;
    margin-right: 20px;
}

.item_menu a:hover {
    color: #A6D3FF;
}


header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 9999;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

/* botão hambúrguer (oculto no desktop) */
.hamburger {
    display: none;
    width: 44px;
    height: 44px;
    margin-right: 8px;
    border: 0;
    border-radius: 10px;
    background: rgba(255, 255, 255, .12);
    cursor: pointer;
    place-items: center;
}

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: transform .2s, opacity .2s
}

.hamburger span+span {
    margin-top: 5px
}

.hamburger.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg)
}

.hamburger.is-open span:nth-child(2) {
    opacity: 0
}

.hamburger.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg)
}

/* ===== Mobile ===== */
@media (max-width:800px) {
    .grid_header {
        padding-left: 16px;
        padding-right: 16px
    }

    .hamburger {
        display: grid
    }

    /* mostra o botão */

    /* drawer à direita */
    #site-nav {
        position: fixed;
        top: 0;
        right: 0;
        height: 100dvh;
        width: min(82vw, 340px);
        background: linear-gradient(180deg, #002F5D, #052e56);
        box-shadow: -10px 0 24px rgba(0, 0, 0, .35);
        transform: translateX(100%);
        transition: transform .25s ease;
        padding-top: 80px;
        z-index: 12000;
        /* acima do backdrop */
    }

    #site-nav.is-open {
        transform: translateX(0)
    }

    /* lista vertical e sem separadores */
    .paginas {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
        padding: 0 20px
    }

    .paginas li::before {
        display: none !important
    }

    .paginas li a {
        display: block;
        padding: 12px 0;
        color: #fff
    }

    /* backdrop e trava scroll */
    .nav-backdrop {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, .35);
        backdrop-filter: blur(1px);
    }

    body.no-scroll {
        overflow: hidden
    }

    .nav-backdrop[hidden] {
        display: none !important;
    }
}