/*-------four step section-------*/
    
    .lead {
        font-size: 1.5rem;
        font-weight: 300;
    }
    /* Demo styles */
    
    #nav-serialscrolling {
        position: sticky !important;
        top: 0 !important;
        /* height: 400px !important; */
        text-align: center;
        position: sticky;
        top: 50%;
        height: 100vh;
        text-align: center;
        padding-left: 0;
    }
    
    #nav-serialscrolling li {
        list-style-type: none;
    }
    
    #nav-serialscrolling .sub-link {
        position: relative;
        display: block;
        padding: 10px;
        font-size: 13px;
        cursor: pointer;
        transition: 300ms;
        display: none;
    }
    
    #nav-serialscrolling .sub-link:hover,
    #nav-serialscrolling .sub-link.is-current {
        opacity: 1;
        display: block;
    }
    
    #nav-serialscrolling .sub-link:before,
    #nav-serialscrolling .sub-link:after {
        /*content: '';*/
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        border-radius: 100%;
        transition: 300ms;
    }
    
    #nav-serialscrolling .sub-link:before {
        left: -30px;
        width: 16px;
        height: 16px;
        border: 1px solid rgba(255, 255, 255, .2);
    }
    
    #nav-serialscrolling .sub-link:after {
        left: -23px;
        width: 5px;
        height: 5px;
        background-color: #b41c28;
        opacity: 0;
    }
    
    #nav-serialscrolling .sub-link.is-current:before {
        border-color: rgba(255, 255, 255, .4);
    }
    
    #nav-serialscrolling .sub-link.is-current:after {
        opacity: 1;
    }
    
    .data-scrol .lead {
        margin-bottom: 3rem;
        font-size: 16px;
    }
    
    .data-scrol p {
        font-size: 16px;
        color: #444;
        margin-top: 0 !important;
    }
    
    .data-scrol h4 {
        font-weight: 600;
        color: #b49453;
    }
    
    [data-serialscrolling-target] h1 {
        background: radial-gradient(#f1f1f1, #e4e4e4);
        padding: 15px 30px;
        border-radius: 0 30px;
        box-shadow: 0 2px 15px -10px;
        color: #b5985e;
        font-size: 25px;
        font-weight: 600;
        width: fit-content;
    }
    
    [data-serialscrolling-target] {
        display: flex;
        /* justify-content: center; */
        /*align-items: center;*/
        min-height: 100vh;
        padding: 0 100px;
        background-color: rgba(255, 255, 255, .05);
        color: #000;
        font-size: 24px;
        flex-direction: column;
    }
    
    .step1 {
        /*position: absolute;
    top: 539%;
    width: 23vw;
    height: 82vh;
    left: 24%;*/
    }
    
    @media(min-width:1200px) {
        .step {
            height: 100vh;
            text-align: center;
            background-position: 50% 50%;
            background-size: 40vh;
            background-repeat: no-repeat;
        }
        .step4 {
            /* background-size: 40vw 82vh !important; */
        }
        #nav-serialscrolling {
            background-position: bottom;
            background-size: 23vw 85vh;
            background-repeat: no-repeat;
        }
    }
    
    @media(min-width:1100px) and (max-width:1200px) {
        .step {
            height: 100vh;
            text-align: center;
            background-position: 50% 50%;
            background-size: 40vh;
            background-repeat: no-repeat;
        }
        .step4 {
            /* background-size: 40vw 82vh !important; */
        }
        #nav-serialscrolling {
            background-position: bottom;
            background-size: 25vw 85vh;
            background-repeat: no-repeat;
        }
    }
    
    @media(min-width:1050px) and (max-width:1100px) {
        .step {
            height: 100vh;
            text-align: center;
            background-position: 50% 50%;
            background-size: 40vh;
            background-repeat: no-repeat;
        }
        .step4 {
            /* background-size: 40vw 82vh !important; */
        }
        #nav-serialscrolling {
            background-position: bottom;
            background-size: 25vw 85vh;
            background-repeat: no-repeat;
        }
    }
    
    @media(min-width:992px) and (max-width:1050px) {
        .step {
            height: 100vh;
            text-align: center;
            background-position: 50% 50%;
            background-size: 40vh;
            background-repeat: no-repeat;
        }
        .step4 {
            /* background-size: 40vw 82vh !important; */
        }
        #nav-serialscrolling {
            background-position: bottom;
            background-size: 25vw 85vh;
            background-repeat: no-repeat;
        }
    }
    
    @media(max-width:992px) {
        .step {
            height: 100vh;
            text-align: center;
            background-position: 50% 50%;
            background-size: 40vh;
            background-repeat: no-repeat;
        }
        .step4 {
            /* background-size: 28vw 82vh !important; */
        }
        #nav-serialscrolling {
            background-position: bottom;
            background-size: 25vw 85vh;
            background-repeat: no-repeat;
        }
    }
    
    .sd1 {
        padding: 50px 70px;
    }
    
    .sd2 {
        background: antiquewhite;
        text-align: center;
        padding: 50px 70px;
    }
    
    .sd2 img {
        width: 25%;
    }
    
    @media(max-width:767px) {
        .sd2 img {
            /* width: 50%; */
            padding: 1.5rem 0;
        }
        .sd1,
        .sd2 {
            padding: 12px;
        }
    }
    /*-------End four step section---------*/