*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:'Vazirmatn',sans-serif;
}

body{
    background:#fffdf6;
    padding:15px;
}

.container{
    width:100%;
    max-width:700px;
    margin:auto;
    background:white;
    border-radius:25px;
    padding:35px;
    box-shadow:0 10px 35px rgba(0,0,0,.08);
}

.header{
    text-align:center;
    margin-bottom:30px;
}

.header h1{
    color:#d8a200;
    font-size:30px;
    line-height:1.8;
}

.description{
    background:#fff8d8;
    padding:20px;
    border-radius:18px;
    line-height:2;
    margin-bottom:25px;
}

label{
    display:block;
    margin-bottom:10px;
    font-weight:600;
}

input,
select{
    width:100%;
    padding:15px;
    border:1px solid #e4e4e4;
    border-radius:14px;
    margin-bottom:20px;
    font-size:15px;
    transition:0.3s;
}

input:focus,
select:focus{
    outline:none;
    border-color:#d8a200;
    box-shadow:0 0 0 4px rgba(216,162,0,.12);
}

.card-box{
    background:#fff8d8;
    border-radius:20px;
    padding:25px;
    text-align:center;
    margin-top:20px;
    margin-bottom:20px;
    overflow:hidden;
}

.card-box h3{
    margin-bottom:15px;
}

.card-number{
    font-size:24px;
    font-weight:bold;
    letter-spacing:2px;
    margin:20px 0;

    /* جلوگیری از بیرون زدن شماره کارت */
    overflow-wrap: break-word;
    word-break: break-all;
    direction:ltr;

    max-width:100%;
}

.copy-btn{
    width:100%;
    background:#d8a200;
    color:white;
    border:none;
    padding:12px 25px;
    border-radius:12px;
    cursor:pointer;
    transition:.3s;
}

.copy-btn:hover{
    transform:translateY(-2px);
}

.submit-btn{
    width:100%;
    background:#d8a200;
    color:white;
    border:none;
    padding:18px;
    border-radius:15px;
    font-size:18px;
    cursor:pointer;
    transition:.3s;
}

.submit-btn:hover{
    transform:translateY(-2px);
}

footer{
    margin-top:30px;
    text-align:center;
    color:#777;
    line-height:2;
}

footer a{
    text-decoration:none;
    color:#d8a200;
}

.success-box{
    max-width:500px;
    margin:100px auto;
    background:white;
    padding:40px;
    border-radius:25px;
    text-align:center;
    box-shadow:0 10px 35px rgba(0,0,0,.08);
}

.success-icon{
    font-size:60px;
    margin-bottom:20px;
}

.back-btn{
    display:inline-block;
    margin-top:20px;
    background:#d8a200;
    color:white;
    text-decoration:none;
    padding:14px 25px;
    border-radius:12px;
}

/* ----------------------------- */
/* موبایل و تبلت */
/* ----------------------------- */

@media (max-width:768px){

    body{
        padding:10px;
    }

    .container{
        padding:20px;
        border-radius:20px;
    }

    .header h1{
        font-size:24px;
    }

    .description{
        font-size:14px;
    }

    .card-number{
        font-size:20px;
        letter-spacing:1px;
    }

    input,
    select{
        padding:14px;
        font-size:14px;
    }

    .submit-btn{
        font-size:16px;
        padding:16px;
    }

    .copy-btn{
        padding:14px;
    }

    .success-box{
        margin:40px auto;
        padding:25px;
    }

}