body { font-family: Arial, sans-serif; }
.hero {
    background: linear-gradient(135deg, #0f172a, #1d4ed8);
    min-height: 420px;
    display: flex;
    align-items: center;
}
input, select, textarea {
    width: 100%;
    display: block;
    padding: .55rem .75rem;
    border: 1px solid #ced4da;
    border-radius: .375rem;
}
input[type="checkbox"] {
    width: auto;
    display: inline-block;
}
.card {
    border: 0;
    box-shadow: 0 4px 18px rgba(15,23,42,.08);
    border-radius: 16px;
}