body {
    margin: 0;
    font-family: system-ui, sans-serif;
    background: #fff;
    color: #222;
    padding-top: 120px; /* Platz für das feste Logo */
}

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #fff;
    text-align: center;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    z-index: 1000;
}

header img {
    max-width: 100%;
    height: auto;
    margin: 0; /* KEIN seitlicher Margin */
}

main {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    text-align: center;
}

a {
    color: #5b2dab;
    text-decoration: none;
}

footer {
    margin-top: 2rem;
}