/* Grundlegende Einstellungen */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f4f9;
    color: #333;
    line-height: 1.6;
}

/* Container für zentrierten Inhalt */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Bereich */
header {
    background-color: #2c3e50;
    color: #fff;
    padding: 40px 0;
    text-align: center;
}

header h1 {
    margin-bottom: 10px;
}

/* Hauptbereich und Karten-Design */
main {
    padding: 40px 0;
}

.card {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.card h2 {
    margin-bottom: 15px;
    color: #2c3e50;
}

.card p {
    margin-bottom: 25px;
}

/* Button Design */
.btn {
    display: inline-block;
    background-color: #3498db;
    color: #fff;
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.btn:hover {
    background-color: #2980b9;
}

/* Footer Bereich */
footer {
    text-align: center;
    padding: 20px 0;
    background-color: #2c3e50;
    color: #fff;
    position: fixed;
    bottom: 0;
    width: 100%;
}