.banner {overflow: hidden;position: relative;background: url(../images/bgDiapo.jpg) no-repeat;background-size: cover;width: 100%;height: 100vh ;background-attachment: fixed; z-index: 99;}
.banner:before {content: '';background: rgba(0,0,0,0.10);position: absolute;left:0;top: 0;width: 100%;height: 100%;}
.flex-banner {
    display: -ms-flexbox;
    display: -moz-box;
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
    -ms-flex-flow: row wrap;
    -moz-flex-flow: row wrap;
    -webkit-flex-flow: row wrap;
    flex-flow: row wrap;
    -webkit-align-items: center;
    align-items: center;
    height: 100vh;
}
.boxbanner h2 {
    color: #464746;
    font-size: 55px;
    font-family: Segoe UI;
    font-weight: 100;
    margin: 0;
    margin-bottom: 133px;
    line-height: 70px;
}

.boxbanner {
    padding: 0;
}

.boxbanner p {
    font-size: 24px;
    color: #464746;
    font-family: Segoe UI;
    width: 75%;
    line-height: 30px;
}
.boxbanner .btn-premiasoft {
    background: #18a0db;
    color: #fff;
    padding: 15px;
    position: relative;
    cursor: pointer;
    z-index: 2;
    display: table;
    text-transform: uppercase;
    width: 75%;
    text-align: center;
    text-decoration: none;
    font-size: 18px;
    font-family: Segoe UI;
    font-weight: bold;
    margin-top: 95px;
}
.boxbanner .btn-premiasoft:hover {
color: #fff;
text-decoration: none;
}
.boxbanner .btn-premiasoft:after {
    content: '';
    position: absolute;
    top: 0px;
    left: 0px;
    width: 0px;
    background: #023988;
    -webkit-transition: 0.3s all ease;
    transition: 0.3s ease all;
   height: 55px;
    z-index: -1;
}
.boxbanner .btn-premiasoft:hover:after {
    width: 100%;
}


@media screen and (max-width: 1366px){
.boxbanner h2 {
margin-bottom: 70px;
font-size: 48px;
line-height: 60px;
}
.boxbanner .btn-premiasoft {
margin-top: 70px;
}
.flex-banner {
    height: 100vh;
}
}

@media screen and (max-width: 1200px) and (min-width: 992px) {
.logo { max-width: 19%;}
}

@media screen and (max-width: 1200px){
.boxbanner .btn-premiasoft { width: 85%;}
.boxbanner p { width: 85%;}
}
@media screen and (max-width: 1024px){
.boxbanner h2 {
    margin-bottom: 50px;
    font-size: 40px;
    line-height: 50px;
}
.boxbanner p {
    width: 90%;
}
}

@media screen and (max-width: 767px){
.boxbanner .btn-premiasoft {
    width: 100%;
}
.boxbanner {
    padding: 25px;
}
.banner, .flex-banner {
    height: 450px;
}
.banner {
    background: url(../images/bgDiapo-Mobile.jpg) no-repeat;
    background-size: 100% 100%;
}
}

@media screen and (max-width: 460px){
.boxbanner h2 {
    margin-bottom: 0;
    font-size: 28px;
    line-height: 36px;
}
.boxbanner .btn-premiasoft:after {
    min-height: 80px;
}
}