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

.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
    padding: 20px;
}

header {
    background: #050;
    color: white;
    padding: 15px 0;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav a {
    color: white;
    margin-left: 15px;
    text-decoration: none;
}

.hero {
    padding: 80px 20px;
    text-align: center;
    background: #fdd835;
}

.button {
    display: inline-block;
    padding: 12px 20px;
    background: #050;
    color: white;
    text-decoration: none;
    border-radius: 4px;
}

.cards {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.card {
    flex: 1;
    min-width: 200px;
    border: 1px solid #ddd;
    padding: 20px;
}

footer {
    text-align: center;
    padding: 20px;
    background: #050;
    color: white;
}