* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
}

.hero {
    background-color: #0d6efd;
    color: white;
    text-align: center;
    padding: 60px 20px;
}

.btn {
    display: inline-block;
    margin-top: 20px;
    padding: 12px 25px;
    background-color: white;
    color: #0d6efd;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
}

.features {
    padding: 40px 20px;
    text-align: center;
}

.cards {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 20px;
}

.card {
    background-color: #f4f4f4;
    padding: 20px;
    border-radius: 8px;
    width: 200px;
}

footer {
    background-color: #222;
    color: white;
    text-align: center;
    padding: 15px;
}