body {
    font-family: sans-serif;
    margin: 0;
    padding: 0;
    background-color: #fff;
    color: #222;
}
header {
    background-color: #ffffff;
    border-bottom: 1px solid #ddd;
    padding: 1em;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-size: 1.5em;
    font-weight: bold;
    color: #007bff;
}
nav a {
    margin-left: 1em;
    text-decoration: none;
    color: #007bff;
}
.hero {
    text-align: center;
    padding: 2em;
}
.hero img {
    width: 80%;
    max-width: 500px;
    height: auto;
    margin-bottom: 1em;
}
.hero h1 {
    font-size: 2em;
    color: #333;
}
.hero p {
    font-size: 1.2em;
    color: #666;
}
footer {
    text-align: center;
    padding: 1em;
    font-size: 0.9em;
    background-color: #f9f9f9;
    color: #aaa;
}