body {
    font-family: Arial, sans-serif;
    margin: 0; padding: 0;
    background: #f4f6f9;
    color: #333; text-align: center;
}
header { background: #071e3d; color: white; padding: 40px 20px; }
.logo { width: 100px; }
.cta-button {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 25px;
    background: #00c897;
    color: white;
    border-radius: 5px;
    text-decoration: none;
}
.features { display: flex; justify-content: center; gap: 30px; padding: 40px 10px; flex-wrap: wrap; }
.features div { background: white; border-radius: 10px; padding: 20px; width: 250px; box-shadow: 0 0 10px rgba(0,0,0,0.1); }
footer { padding: 20px; background: #eee; font-size: 0.9em; }