body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background-color: #f4f6f8;
    color: #333;
}

header {
    background-color: #1f2937;
    padding: 20px 0;
}

.container {
    max-width: 1100px;
    margin: auto;
    padding: 0 20px;
}

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

.logo {
    height: 50px;
}

nav a {
    color: white;
    text-decoration: none;
    margin-left: 20px;
    font-weight: bold;
}

nav a:hover {
    text-decoration: underline;
}

main {
    background: white;
    padding: 40px;
    margin: 30px auto;
    border-radius: 8px;
}

h1, h2 {
    color: #1f2937;
}

footer {
    text-align: center;
    padding: 20px;
    color: #777;
    font-size: 14px;
}