.slc{
    max-width:700px;
    margin:40px auto;
    padding:30px;
    background:#ffffff;
    border:1px solid #e5e5e5;
    border-radius:10px;
    box-shadow:0 2px 8px rgba(0,0,0,.08);
    font-family:inherit;
}

.slc h2{
    margin:0 0 25px;
    font-size:28px;
    text-align:center;
    color:#222;
}

.slc form{
    margin:0;
}

.slc label{
    display:block;
    margin-bottom:20px;
    font-weight:600;
    color:#333;
}

.slc input[type="number"],
.slc select{
    width:100%;
    margin-top:8px;
    padding:12px 14px;
    border:1px solid #ccc;
    border-radius:6px;
    background:#fff;
    font-size:16px;
    box-sizing:border-box;
    transition:border-color .2s ease;
}

.slc input[type="number"]:focus,
.slc select:focus{
    border-color:#0b5ed7;
    outline:none;
}

.slc button{
    width:100%;
    padding:14px;
    background:#0b5ed7;
    color:#fff;
    border:none;
    border-radius:6px;
    font-size:17px;
    font-weight:600;
    cursor:pointer;
    transition:background .2s ease;
}

.slc button:hover{
    background:#094db1;
}

.slc-resultat{
    margin-top:30px;
    padding:25px;
    border:1px solid #d7eedb;
    background:#f3fcf5;
    border-radius:8px;
    text-align:center;
}

.slc-resultat h3{
    margin:0 0 10px;
    color:#198754;
    font-size:24px;
}

.slc-resultat .prix{
    margin:10px 0;
    font-size:38px;
    font-weight:700;
    color:#198754;
}

.slc-resultat p:last-child{
    margin-bottom:0;
    color:#555;
    font-size:15px;
    line-height:1.6;
}

@media (max-width:768px){

    .slc{
        padding:20px;
        margin:20px 10px;
    }

    .slc h2{
        font-size:24px;
    }

    .slc-resultat .prix{
        font-size:30px;
    }

}