/* Grundlegendes Layout */
body {
    margin: 0;
    font-family: 'Roboto', Arial, sans-serif;
    color: #222;
    background-color: #f9f9f9;
}

/* Header mit fixierter Position */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: #ffffff;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

header .logo {
    text-align: center;
    padding: 10px 0;
}

header .logo img {
    width: 336px;
    max-width: 90%;
    height: auto;
}

/* Navigation */
nav {
    background-color: #ffffff;
    border-top: 1px solid #eaeaea;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
}

nav ul li {
    margin: 0 20px;
}

nav ul li a {
    display: block;
    padding: 12px 5px;
    text-decoration: none;
    color: #222;
    font-weight: 500;
    transition: color 0.3s, border-bottom 0.3s;
    border-bottom: 3px solid transparent;
}

nav ul li a:hover {
    color: #0102fd; /* Blau für Hover */
    border-bottom: 3px solid #fbff08; /* Gelb als Akzentlinie */
}

nav ul li a.active {
    border-bottom: 3px solid #0102fd;
}

/* Hauptinhalt */
main {
    max-width: 1000px;
    margin: 220px auto 100px auto; /* Platz für fixierten Header */
    padding: 20px;
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

h1 {
    color: #0102fd;
}

/* Footer */
footer {
    text-align: center;
    padding: 20px;
    color: #666;
    font-size: 0.9em;
    background-color: #f4f4f4;
    border-top: 1px solid #eaeaea;
}