.header-bg {
    background-color: var(--cor-c13);
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 40px 20px;
}

.header-menu {
    display: flex;
    gap: 32px;
}

.header-menu a {
    display: inline;
    padding: 16px 0;
}

.header-menu a:hover {
    color: var(--cor-c7);
}

.btn-mobile {
    display: none;
}

@media(max-width:850px) {
    .header-menu {
        display: block;
        position: absolute;
        text-align: center;
        width: 100%;
        top: 109px;
        right: 0;
        background-color: var(--cor-c13);
        height: 0px;
        transition: .6s;
        z-index: 1000;
        visibility: hidden;
        overflow-y: hidden;
    }

    nav.mobile .header-menu {
        height: 750px;
        visibility: visible;
    }

    .header-menu a {
        padding: 32px 0;
        margin: 0 20px;
        display: block;
    }

    .header-menu a:hover {
        background-color: var(--cor-c10);
        color: var(--cor-w);
    }

    .header-menu a:hover::after {
        display: none;
    }

    .hamburguer {
        display: block;
        color: var(--cor-w);
        border-top: 2px solid;
        width: 28px;
        cursor: pointer;
    }

    .hamburguer::after, .hamburguer::before {
        content: '';
        display: block;
        width: 28px;
        height: 2px;
        background: currentColor;
        margin-top: 5px;
        transition: .3s;
        position: relative;
    }

    nav.mobile .hamburguer {
        border-top-color: transparent;
    }

    nav.mobile .hamburguer::before {
        transform: rotate(135deg);
    }

    nav.mobile .hamburguer::after {
        transform: rotate(-135deg);
        top: -7px; 
    }
}

@media(max-width:750px) {
    nav.mobile .header-menu {
        height: 630px;
        visibility: visible;
    }
}

@media(max-width:480px) {
    nav.mobile .header-menu {
        height: 530px;
        visibility: visible;
    }
}

@media(max-width:340px) {
    nav.mobile .header-menu {
        height: 600px;
        visibility: visible;
    }
}

@media(max-width:295px) {
    nav.mobile .header-menu {
        height: 650px;
        visibility: visible;
    }
}