body {
font-family: Arial, Helvetica, sans-serif;
margin: 0;
line-height: 1.6;
background: #f7f7f7;
color: #333;
}

header {
background: #2c3e50;
color: white;
padding: 20px;
}

nav a {
color: white;
margin-right: 15px;
text-decoration: none;
font-weight: bold;
}

main {
max-width: 900px;
margin: auto;
background: white;
padding: 30px;
}

h1, h2 {
color: #2c3e50;
}

footer {
text-align: center;
padding: 20px;
background: #eee;
margin-top: 40px;
}

/* Referenzen */

.references {
display: grid;
grid-template-columns: 1fr;
gap: 25px;
margin-top: 20px;
}

.reference {
border: 1px solid #ddd;
padding: 20px;
border-radius: 6px;
background: #fafafa;
}

.reference img {
max-width: 180px;
margin-bottom: 10px;
}

.reference a {
color: #2c3e50;
font-weight: bold;
}