body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #ffffff;
    color: #222;
}
header {
    background: #1e1e1e;
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
header .logo img {
    height: 50px;
}
nav ul {
    list-style: none;
    display: flex;
    gap: 15px;
}
nav a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}
.hero {
    padding: 100px 20px;
    background: #f3f3f3;
    text-align: center;
}
footer {
    background: #1e1e1e;
    color: white;
    text-align: center;
    padding: 20px;
}