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

body{
    background:#f4f7fb;
    padding:40px 15px;
}

.container{
    max-width:1000px;
    margin:auto;
}

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

.logo{
    font-size:55px;
    margin-bottom:10px;
}

.header h1{
    font-size:38px;
    color:#1a1a1a;
}

.header p{
    color:#666;
    margin-top:10px;
}

.card{
    background:#fff;
    border-radius:20px;
    padding:35px;
    box-shadow:0 8px 25px rgba(0,0,0,.08);
}

.section{
    margin-bottom:35px;
}

.section h2{
    color:#1e40af;
    margin-bottom:15px;
}

.section ul{
    padding-left:25px;
}

.section li{
    margin-bottom:12px;
    color:#444;
}

.grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:15px;
}

.item{
    background:#f8fafc;
    border:1px solid #e5e7eb;
    border-radius:12px;
    padding:18px;
    font-weight:600;
}

.item span{
    margin-right:8px;
}

.steps{
    display:flex;
    flex-direction:column;
    gap:15px;
}

.step{
    display:flex;
    align-items:center;
    gap:15px;
    background:#f8fafc;
    padding:12px;
    border-radius:10px;
}

.number{
    width:40px;
    height:40px;
    background:linear-gradient(135deg,#2563eb,#7c3aed);
    color:white;
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    font-weight:bold;
}

.warning{
    background:#fff7ed;
    border-left:5px solid #f97316;
    padding:18px;
    border-radius:10px;
    color:#9a3412;
}

.checkbox{
    margin-top:25px;
    display:flex;
    align-items:flex-start;
    gap:10px;
}

.checkbox input{
    width:20px;
    height:20px;
    margin-top:2px;
}

.checkbox label{
    color:#444;
    line-height:1.6;
}

button{
    margin-top:25px;
    width:100%;
    border:none;
    color:white;
    font-size:18px;
    font-weight:600;
    padding:16px;
    border-radius:12px;
    cursor:pointer;
    background:linear-gradient(135deg,#2563eb,#7c3aed);
    transition:.3s;
}

button:disabled{
    opacity:.5;
    cursor:not-allowed;
}

button:hover:not(:disabled){
    transform:translateY(-2px);
}

@media(max-width:768px){

    .card{
        padding:20px;
    }

    .header h1{
        font-size:28px;
    }
}