html,body {
    height:100%;
    margin:0;
    padding:0;
    font-family:Roboto,sans-serif;
    overflow:hidden;
}

body {
    display:flex;
    flex-direction:column;
    height:100%;
}

/* BLOCCO LOGO */
#intro {
    flex:1 1 auto;
    position:relative;
    background-image:url('../img/logo-evs-web.jpg');
    background-size:contain;
    background-repeat:no-repeat;
    background-position:center;
}

.intro-text {
    position:absolute;
    bottom:40px; /* ALZATA verso il logo */
    left:0;
    width:100%;
    text-align:center;
    font-size:18px;
    font-weight:500;
}

/* FASCIA GRIGIA */
#overlay {
    flex:0 0 auto;
    width:100%;
    background:rgba(0,0,0,0.10);
    padding:12px 20px;
    font-size:13px;
    text-align:left;
}
#overlay h1 {
    margin-bottom:10px;
}

/* FOOTER */
footer {
    flex:0 0 auto;
    width:100%;
    text-align:center;
    background:rgba(0,0,0,0.2);
    padding:6px 0;
    font-size:14px;
}

/* Tipografia */
h1 {
    font-size:16px;
    font-weight:700;
    margin:0;
    padding:0;
}

h2 {
    font-size:14px;
    font-weight:600;
    margin:0;
    padding:0;
}

h3 {
    font-size:12px;
    font-weight:600;
    margin:0;
    padding:0;
}

h4 {
    font-size:10px;
    font-weight:600;
    margin:0;
    padding:0;
}

p {
    font-size:12px;
    margin:0;
    padding:0;
    line-height:1.4;
}

a {
    color:#000;
    text-decoration:none;
}

a:hover {
    text-decoration:underline;
}

@media (max-width:768px) {
    #intro {
        background-size:80%;
    }

    .intro-text {
        position:absolute;
        bottom:22px; /* distanza mobile calibrata */
        left:0;
        width:100%;
        text-align:center;
        font-size:14px;
        font-weight:500;
    }
}