body {
    font-family: Arial, sans-serif;
    background: #f4f4f4;
    color: #333;
    margin: 0;
    padding: 0;
}
header {
    background: #fff;
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid #ddd;
}
.logo {
    max-width: 150px;
}
nav a {
    margin: 0 15px;
    text-decoration: none;
    color: #333;
}
.hero {
    text-align: center;
    padding: 60px 20px;
    background: #e8e8e8;
}
.hero .btn {
    display: inline-block;
    margin: 10px;
    padding: 15px 25px;
    background: #ff9900;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
}
section {
    padding: 40px 20px;
    text-align: center;
}
section img {
    max-width: 100%;
    height: auto;
    margin-top: 20px;
}
footer {
    text-align: center;
    padding: 20px;
    background: #ddd;
}