body{
    font-family: Arial, sans-serif;
    background:#f4f4f4;
    margin:0;
    padding:40px;
    color:#111;
}
.container{
    max-width:760px;
    margin:auto;
    background:#fff;
    padding:40px;
    border-radius:12px;
    box-shadow:0 2px 12px rgba(0,0,0,0.08);
}
.brand{
    color:#0d2b52;
    font-size:13px;
    letter-spacing:2px;
    font-weight:bold;
    margin-bottom:10px;
}
h1{
    font-size:48px;
    margin:0 0 30px 0;
    color:#0d2b52;
}
.intro{
    margin-bottom:30px;
    line-height:1.6;
}
label{
    display:block;
    margin-top:20px;
    margin-bottom:8px;
    font-weight:bold;
}
input[type=text],
input[type=email],
textarea{
    width:100%;
    padding:14px;
    border:1px solid #ccc;
    border-radius:8px;
    box-sizing:border-box;
    font-size:16px;
}
textarea{
    min-height:160px;
    resize:vertical;
}
button{
    margin-top:30px;
    background:#0d2b52;
    color:#fff;
    border:none;
    padding:16px 24px;
    border-radius:8px;
    font-size:16px;
    cursor:pointer;
}
button:hover{
    opacity:0.9;
}
.success{
    background:#e9f8ec;
    border:1px solid #7ac58a;
    padding:20px;
    border-radius:10px;
}
.error{
    background:#fdeaea;
    border:1px solid #ef9a9a;
    color:#a10000;
    padding:20px;
    border-radius:10px;
    margin-bottom:20px;
}
.checkbox{
    margin-top:20px;
    display:flex;
    gap:10px;
    align-items:flex-start;
    line-height:1.4;
}
.hidden{
    display:none;
}
@media(max-width:700px){
    body{ padding:15px; }
    .container{ padding:25px; }
    h1{ font-size:36px; }
}