.nnbt-wrapper{
    max-width:900px;
    margin:50px auto;
    padding:0 15px;
}

.nnbt-box{
    background:#e6f3fa;
    border:2px solid #2E8BC0;
    border-radius:25px;
    box-shadow:0 10px 25px rgba(0,0,0,.10);
    padding:40px;
    font-family:Poppins,sans-serif;
}

.nnbt-box h2{
    margin:0 0 10px;
    text-align:center;
    color:#2E8BC0;
    font-size:34px;
    font-weight:700;
}

.nnbt-box p{
    text-align:center;
    color:#666;
    margin-bottom:30px;
}

.nnbt-row{
    display:flex;
    gap:20px;
    margin-bottom:20px;
}

.nnbt-col{
    flex:1;
}

.nnbt-box label{
    display:block;
    margin-bottom:8px;
    font-weight:600;
    color:#333;
}

.nnbt-box input,
.nnbt-box select,
.nnbt-box textarea{

    width:100%;
    padding:14px 16px;
    border:1px solid #d9d9d9;
    border-radius:12px;
    background:#fff;
    font-size:15px;
    transition:.3s;
    box-sizing:border-box;

}

.nnbt-box input:focus,
.nnbt-box select:focus,
.nnbt-box textarea:focus{

    outline:none;
    border-color:#2E8BC0;
    box-shadow:0 0 0 3px rgba(46,139,192,.15);

}

.nnbt-box textarea{

    resize:vertical;
    min-height:130px;

}

.nnbt-btn{

    width:100%;
    border:none;
    background:#2E8BC0;
    color:#fff;
    font-size:18px;
    font-weight:700;
    padding:16px;
    border-radius:50px;
    cursor:pointer;
    transition:.3s;

}

.nnbt-btn:hover{

    background:#24729e;

}

.nnbt-btn:disabled{

    cursor:not-allowed;
    opacity:1;

}

#nnbt-response{

    margin-top:20px;
    text-align:center;
    font-size:16px;
    font-weight:600;

}

@media(max-width:768px){

    .nnbt-row{

        flex-direction:column;
        gap:15px;

    }

    .nnbt-box{

        padding:25px;

    }

    .nnbt-box h2{

        font-size:28px;

    }

}