@media screen and (max-width: 900px){
    header .menu-desktop, header .btn-contact{
        display: none;
    }

    header .btn-menu-mobile{
        display: block;
    }
}

@media screen and (max-width: 880px){
    /* hero responsive*/
    .hero-site .txt-hero h1{
        font-size: 2.5em;
        line-height: 45px;
        font-weight: ;
    }
    
    .hero-site .txt-hero h1 span{
        display: block;
        font-weight: 800;
    }
    
    .hero-site .txt-hero p{
        font-size: 14px;
        font-weight: 300;
        margin: 20px 0;
    }
    
    .hero-site .txt-hero p span{
        display: block;
    }
    
    .hero-site button{
        width: 220px;
        height: 60px;
        font-size: 20px;
    }

    /* about responsive*/
    
    .about-site .itens-container{
        flex-direction: column;
    }
    
    .about-site .itens-container .img-itens img{
        max-width: 100%;
    }

    .about-site .itens-container .txt-itens p{
        margin-bottom: 10px;
    }

    .about-site .itens-container .item-1{
        order: 1;
    }

    .about-site .itens-container .item-2{
        order: 0;
    }

    /* faq responsive*/
    
    .faq .itens-container{
        flex-direction: column;
    }
    
    .faq .itens-container .img-itens img{
        max-width: 100%;
    }

    .faq .itens-container .txt-itens p{
        margin-bottom: 10px;
    }

    .faq .itens-container .item-1{
        order: 1;
    }

    .faq .itens-container .item-2{
        order: 0;
    }

    /* Style of buttons plane*/

    .txt-plane, .icons-plane{
        display: block;
        width: 100%;
    }

    .plane .txt-plane h3{
        font-size: 2em;
        line-height: 40px; 
    }

    .plane .txt-plane p{
        margin-bottom: 20px;
    }

    .plane .icons-plane button{
        width: 100%;
    }

    /* Style of invite*/

    .invite h3{
        font-size: 2.3em;
        line-height: 40px;
    }

    .invite p{
        margin: 20px 0;
        font-size: 16px;
    }

    /* Style of howto*/

    .txt-howto, .instructions{
        display: block;
        width: 100%;
    }

    .howto .txt-howto{
        position: static;
    }

    .howto .txt-howto h3{
        font-size: 3em;
        line-height: 50px;
    }

    .instructions .instructions-box{
        flex-direction: column;
        text-align: center;
    }

    /* Style of footer*/
    footer .middle-footer a{
        margin: 15px 0;
        display: block;
    }

    footer .bottom-footer p{
        font-size: 14px;
    }
}