/* Big tablet to 1200px *(width smaller tablet the 1140px row  */
@media only screen and (max-width: 1200px) {
    .hero-text-box {
        width: 100%;
        padding: 0 2%;
    
    }

    .row{padding: 0 2%;}
}


/* small phones to small tablet: 768 to 1023px */
@media only screen and (max-width: 1023px) {
    body { font-size: 18px;}

    header {
        background-image:linear-gradient(rgba(0, 0, 0, 0.705), rgba(5, 5, 5, 0)), url(img/hr_tablet.png);
        background-attachment: scroll;
    }

    .main-nav{
        margin-top: 60px;
    }

    .main-nav li{
        margin-left: 30px;
    }

    .section-collab{    
      
        background-attachment: scroll;   
         
     }

    section {padding: 60px 0;}

    .logo{
    
        height: 110px;        
        position: absolute; 
        left:0;   
    }

    .long-copy{
        width: 80%;
        margin-left: 12%;
        text-align: center;
    }
    
    .box img {
        width: 95%;
        height: 120px;
        margin-bottom: 15px;
    }

    .works-step div{
        
        height: 55px;
        width: 55px;
        padding: 12px 10px 0 10px;        
        font-size: 110%;
        margin-right: 25px;
        
    }
    
    .works-step p{
    
        padding-top: 14px;
    }

    .section-collab img {
        width: 95%;
        height: 100px;
        margin-bottom: 10px;
    }    


    .contact-form {width: 80%;}
    .footer-nav{
        list-style: none;
        float: left;
        margin-top: 18px;
        font-size: 80%;
        
    }

    .video-links img{       
        width: 35%;
    }

    .big-icon{
        font-size: 150%;
    }
    
    }

/* small phones to small tablet: 481 to 767px */
@media only screen and (max-width: 767px) {

    header {
        background-image:linear-gradient(rgba(0, 0, 0, 0.705), rgba(5, 5, 5, 0)), url(img/hr_mobile.png);
        background-attachment: scroll;
    }

    .section-collab{    

        background-image: linear-gradient(rgba(0, 0, 0, 0.8), rgba(51, 51, 51, 0.8)), url(img/HrCAR.png);
        background-attachment: scroll;   
         
     }
    


    
    .box img {
        width: 45%;
        height: 130px;
        margin-bottom: 0px;
        margin-left: 29%;
    }




    .section-collab img {
        width: 40%;
        height: 40%;
        margin-bottom: 0px;        
        margin-left: 30%;        
    } 

    .section-collab h3{ 
        font-size: 100%;
        text-align: center;  
        margin-top: 0;        
    
    }
    .section-collab col {
        padding: 0;
        margin: 0;
    }
    

    

    body {font-size: 16px;}
    section { padding: 30px 0;}

    .row, 
    .hero-text-box {padding: 0 4%;}

    .col{
        width: 100%;
        margin: 0 0 4% 0%;
    } /* UNICA COLONNA, importante */

    
    
    .main-nav {display: none;}
    .mobile-nav-icon {
        display: inline-block;
        
    }
    
    
    .main-nav{ 
        float: left;
        margin-top: 25px;
        margin-left: 0px;

    }
    .main-nav li{
        display: block;
    }
    .main-nav li a:link,
    .main-nav li a:visited{
        display: block;
        border: 0;
        padding: 7px 0;
        font-size: 100%;

    }
        
    .sticky .main-nav{
        margin-top: 18px;
        margin-bottom: 12px;
    }
    
    .sticky .main-nav li a:link,
    .sticky .main-nav li a:visited {
        padding: 10px 0;
        
    }

   
    

    h1{font-size: 180%;}
    h2{font-size: 150%;}

    .long-copy{
        width: 100%;
        margin-left: 0%;
    }

    .footer-nav{
        list-style: none;
        float: left;
        margin-top: 18px;
        font-size: 80%;
        
    }

    .video-links img{       
        width: 50%;
    }

    .btn {
        margin-bottom: 10px;
    }

    
.logo{
    
    height: 90px;        
    position:absolute;    
}

.social-nav img{
   
    width: 60%;
    transform: scale(1.0);
    transition: transform 0.5s;
    
    
}

.big-icon{
    font-size: 150%;
}



 

}


/* small phones for 0 to 480px */
@media only screen and (max-width: 480px) {

    .logo{
    
        height: 130px;        
        position:absolute; 
        left:0;
        top:0;
        margin-top: 0;   
    }

header {
    background-image:linear-gradient(rgba(0, 0, 0, 0.705), rgba(5, 5, 5, 0)), url(img/hr_mobile.png);
    background-attachment: scroll;
    }

.section-collab{    

   background-image: linear-gradient(rgba(0, 0, 0, 0.8), rgba(51, 51, 51, 0.8)), url(img/HrCAR.png);
   background-attachment: scroll;   
    
}


section {padding: 25px 0;}
.contact-form {width: 100%;}



footer p {
    text-align: center;
    font-size: 70%;
    margin-top: 30px;
    margin-bottom: 40px;
}

.footer-nav{
    list-style: none;
    float: left;
    margin-top: 18px;
    font-size: 75%;    
}



.video-links img{       
    width: 100%;    
}


.social-nav img{
   
    width: 60%;
    transform: scale(1.0);
    transition: transform 0.5s;
    
    
}

}