body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    color: #333;
}

header {
    background: #0f172a;
    color: #fff;
    padding: 40px 20px;
    text-align: center;
}

section {
    padding: 40px 20px;
    max-width: 1100px;
    margin: auto;
}

h1, h2, h3 {
    color: #0f172a;
}

.cta {
    display: inline-block;
    margin-top: 15px;
    padding: 12px 25px;
    background: #16a34a;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
}

ul {
    padding-left: 20px;
}

footer {
    background: #f4f4f4;
    text-align: center;
    padding: 20px;
    margin-top: 40px;
}