/* Grundlayout */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background-color: #f1f5f9;
    color: #0f172a;
    line-height: 1.6;
}

/* Kopfbereich */
header {
    background: linear-gradient(135deg, #0f766e, #2563eb);
    color: #ecfeff;
    padding: 20px;
    text-align: center;
}

header h1 {
    margin: 0;
}

header p {
    margin: 5px 0 0;
    font-size: 1rem;
}

/* Navigation */
nav {
    background-color: #0f172a;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 10px;
    justify-content: center;
}

nav li {
    margin: 0;
}

nav a {
    display: block;
    padding: 10px 15px;
    text-decoration: none;
    color: #e5e7eb;
    font-weight: bold;
}

nav a:hover {
    background-color: #1e293b;
}

/* Hauptbereich */
main {
    max-width: 1000px;
    margin: 20px auto;
    padding: 0 15px;
}

/* Zwei-Spalten-Layout auf der Startseite */
.layout {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.layout section {
    flex: 2 1 60%;
    background-color: #ffffff;
    padding: 15px;
    border-radius: 8px;
}

.layout aside {
    flex: 1 1 30%;
    background-color: #ffffff;
    padding: 15px;
    border-radius: 8px;
}

/* Überschriften-Gestaltung */
h1, h2, h3 {
    color: #0f766e;
}

h2 {
    margin-top: 0;
}

/* Bilder */
img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 10px 0;
    border-radius: 6px;
}

/* Galerie */
.gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.gallery figure {
    width: calc(33.333% - 10px);
    background-color: #ffffff;
    padding: 10px;
    border-radius: 8px;
    margin: 0;
    text-align: center;
}

.gallery figcaption {
    margin-top: 5px;
    font-size: 0.9rem;
}

/* Footer */
footer {
    background-color: #0f172a;
    color: #e5e7eb;
    text-align: center;
    padding: 10px;
    margin-top: 30px;
}

/* Abstände */
p {
    margin-bottom: 10px;
}

/* Responsive */
@media (max-width: 600px) {
    .layout {
        flex-direction: column;
    }

    .gallery figure {
        width: 100%;
    }

    nav ul {
        flex-direction: column;
        align-items: center;
    }

    nav a {
        width: 100%;
        text-align: center;
    }
}