.header2 {
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header2 {
    z-index: 1000;
    transition: all 0.3s ease-in-out;
    background-color: #fff;
    border-bottom: 1px solid #eaeaea;
}

.header2.sticky {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}
#header{
    position: fixed;
    top: 0;
    z-index: 1000;
    padding: 0px;
    box-shadow: rgba(50, 50, 93, 0.25) 0px 50px 100px -20px, rgba(0, 0, 0, 0.3) 0px 30px 60px -30px;
}
.aboutSec , .plateformSec{
    margin-top: 100px;
}