/* Grundlegendes Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-family: 'Roboto', sans-serif;
}

body {
    background-color: #f5f8fa;
    color: #333;
    font-size: 16px;
    line-height: 1.6;
    padding: 20px;
}

/* Kopfzeile */
header {
    background-color: #0d47a1;
    color: white;
    padding: 20px;
    text-align: center;
}

header h1 {
    font-size: 2em;
}

/* Navigation */
nav {
    display: flex;
    justify-content: center;
    background-color: #1565c0;
    padding: 10px;
}

nav a {
    color: white;
    text-decoration: none;
    margin: 0 15px;
    font-weight: 500;
    transition: color 0.3s;
}

nav a:hover {
    color: #ffca28;
}

/* Hauptbereich */
main {
    max-width: 1000px;
    margin: 40px auto;
    padding: 20px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

/* Buttons */
.button {
    background-color: #42a5f5;
    color: white;
    border: none;
    padding: 12px 24px;
    margin-top: 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
    font-size: 1em;
}

.button:hover {
    background-color: #1e88e5;
}

/* Fußbereich */
footer {
    text-align: center;
    padding: 20px;
    background-color: #eeeeee;
    font-size: 0.9em;
    color: #666;
    margin-top: 40px;
}

/* Responsive */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
    }

    nav a {
        margin: 10px 0;
    }

    main {
        margin: 20px;
    }
}