/* Grundlayout */
body {
    margin: 0;
    font-family: sans-serif;
    background-color: #fff;
    color: #000;
}

/* Kopfbereich mit Skyline */
header {
    position: relative;
    overflow: hidden;
    height: 300px;
}

header img {
    width: 100%;
    height: auto;
    object-fit: cover;
    object-position: center center;
    min-height: 100%;
}

header h1 {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 3em;
    color: white;
    text-shadow: 2px 2px 8px #000;
}

/* Flex-Layout: Grafik links, Menü rechts */
.content-container {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 40px;
    margin: 40px auto;
    flex-wrap: nowrap;
    max-width: 1000px;
    padding: 0 20px;
}

.left {
    flex: 0 0 auto;
}

.right {
    flex: 0 0 300px;
}

.mainimage {
    max-width: 400px;
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 0 12px rgba(0,0,0,0.1);
}

/* Menü-Stil */
nav {
    background-color: #f0f0f0;
    padding: 20px;
    border-radius: 10px;
}

.nav-section {
    margin-bottom: 20px;
}

.nav-section h2 {
    font-size: 1.1em;
    margin-bottom: 8px;
    border-bottom: 1px solid #aaa;
    padding-bottom: 4px;
    color: #000;
}

.nav-section ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.nav-section li {
    margin: 6px 0;
}

.nav-section a {
    color: #000;
    text-decoration: none;
    font-size: 1em;
}

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

/* Fußzeile */
footer {
    text-align: center;
    margin: 60px 0 20px;
    font-size: 0.9em;
}

footer a {
    color: #000;
    text-decoration: none;
}