@media (min-width: 1920px) {
    .visualmenu{
        height: 480px;
        width: 480px;
        background-blend-mode: color-dodge;
        text-align: center;
        font-size: 45px; font-weight: bold;
        background-repeat: no-repeat; background-size: auto 380px;
        background-position: center;
        background-size: auto 480px;
        animation-name: menunhover2; animation-duration: 0.6s;
    }
    .visualmenu:hover{
        font-size: 45px; font-weight: bold;
        background-size: auto 480px;
        animation-name: menonhover2; animation-duration: 0.6s;
        background-size: auto 525px;
    }
    
}
@keyframes menunhover2{
    0% {
        background-size: auto 525px;
        font-size: 50px;
    }
    100% {
        background-size: auto 480px;
        font-size: 45px;
    }
}
@keyframes menonhover2{
    0% {
        background-color: #333;
        color: #fff;
        font-size: 60px;
        background-size: auto 480px;
    }
    70% {
        background-color: #aaa;
        color: #900;
        font-size: 45px;
    }
    100% {background-size: auto 525px; font-size: 45px;}
}

/* * Sección mòbil * */

@media (orientation: portrait){
    .visualmenu{
        height: 250px;
    }
    #visu3{
        display: none;
    }
    #visu4{
        display: none;
    }
}
@media (orientation: landscape){
    #visu3b{
        display: none;
    }
    #visu4b{
        display: none;
    }
    #visu5{
        display: none;
    }
}
/* hight resolution */
.solobil{
        display: none;
    }
@media (min-width: 600px) and (orientation: portrait){
    
    .visualmenu{
    height: 380px;
    width: 270px;
    background-color: #aaa; color: #fff;
    font-size: 36px; background-size: auto 460px;
    background-position: center;
    animation-name: menunhover2; animation-duration: 0.6s; background-size: auto 380px;
    background-color: #333;
    }
    .visualmenu:hover{
        font-size: 45px; font-weight: bold;
        background-color: #333; color: #900;
        background-size: auto 380px;
        animation-name: menonhover2; animation-duration: 0.6s;
        background-size: auto 460px;
        background-color: #999;

    }
    .loprincipal{
        min-height: 350px;
        height: calc(100% - 320px);
        background-image:  url(portada.png), url(welcome.jpg);
        background-size: 75% , cover;
        background-position: bottom left, center left;
        background-repeat: no-repeat;
    }
    .arquitecbox{
        width: 80%;
        margin-left: 60px;
    }
    .arquitecspace{
        padding-top: 100px; padding-bottom: 225px;
    }
    .arquitectitulo{
        color: #ff4400;
        font-size: 100px;
        padding-bottom: 35px;
    }
    .arquitecsubtitulos{
        color: #ff8822;
        font-size: 60px;
        height: 90px;
        padding-top: 30px;
    }
    .arquiteccuerpo{
        color: #fff;
        font-size: 32px;
        vertical-align: top;
    }
    .nobil{
        display: none;
    }
    .solobil{
        display: block;
    }
}

@keyframes menunhover2{
    0% {
        background-size: auto 460px;
        font-size: 45px;
    }
    100% {
        background-size: auto 380px;
        font-size: 36px;
    }
}
@keyframes menonhover2{
    0% {
        background-color: #333;
        color: #fff;
        font-size: 36px;
        background-size: auto 380px;
    }
    70% {
        background-color: #aaa;
        color: #900;
        font-size: 48px;
    }
    100% {background-size: auto 460px; font-size: 45px;}
}