body {
    margin: 0;
    font-family: sans-serif;
    color: #222222;
    background-color: #f5f7fb;
}

header {
    padding: 24px;
    background-color: #1f2937;
    color: white;
}

nav a {
    margin-right: 16px;
    color: white;
    text-decoration: none;
}

main {
    max-width: 880px;
    margin: 0 auto;
    padding: 40px 24px;
}

.hero {
    padding: 40px;
    background-color: white;
    border-radius: 16px;
}

.button {
    display: inline-block;
    margin-top: 16px;
    padding: 12px 20px;
    color: white;
    background-color: #2563eb;
    border-radius: 8px;
    text-decoration: none;
}

.card {
    margin-bottom: 20px;
    padding: 24px;
    background-color: white;
    border-radius: 12px;
}

footer {
    padding: 24px;
    text-align: center;
}