body {
    font-family: 'Helvetica Neue', sans-serif;
    margin: 0;
    padding: 0;
    background: #f9f9f9;
    color: #333;
}
header {
    background: #1F3A8A;
    color: #fff;
    text-align: center;
    padding: 60px 20px;
}
.cta {
    display: inline-block;
    margin: 15px;
    padding: 12px 20px;
    background: #10B981;
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
}
.cta.secondary {
    background: #3B82F6;
}
.features {
    max-width: 700px;
    margin: 40px auto;
    padding: 0 20px;
}
.features ul {
    list-style: none;
    padding-left: 0;
}
.features li {
    margin-bottom: 12px;
    font-size: 18px;
}
footer {
    background: #eee;
    text-align: center;
    padding: 20px;
    font-size: 14px;
    color: #666;
}