body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #ffffff;
    color: #000;
}

.hero {
    background-color: #000;
    color: white;
    text-align: center;
    padding: 2rem 1rem;
}

.logo {
    width: 100px;
    margin-bottom: 1rem;
}

.cta {
    display: inline-block;
    background-color: #25d366;
    color: white;
    padding: 0.75rem 1.5rem;
    margin-top: 1rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
}

.content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 2rem 1rem;
    max-width: 900px;
    margin: 0 auto;
}

.card {
    background-color: #f8f8f8;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.box {
    background-color: #fff9c4;
    padding: 1rem;
    border-radius: 6px;
    margin-top: 1rem;
}

footer {
    background-color: #000;
    color: white;
    text-align: center;
    padding: 1.5rem;
    font-size: 0.9rem;
}

footer a {
    color: #25d366;
    text-decoration: none;
}