* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    line-height: 1.6;
    color: #333;
}

header {
    background: #16A085;
    color: black;
    padding: 15px 0;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
}

nav {
    margin-top: 10px;
}

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

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

.titel {
    background: #f4f4f4;
    padding: 60px 20px;
    text-align: center;
}

.titel h2 {
    margin-bottom: 10px;
}

.references {
    background: #ffffff;
}

.reference-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.reference {
    border: 1px solid #ddd;
    padding: 20px;
    text-align: center;
    border-radius: 8px;
    background: #fafafa;
}

.reference img {
    max-width: 120px;
    margin-bottom: 15px;
}

section {
    padding: 40px 0;
}

.services {
    background: #f9f9f9;
}

.service-box {
    display: flex;
    gap: 20px;
    margin-top: 20px;
}

.service-box div {
    background: white;
    padding: 20px;
    flex: 1;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.contact {
    background: #16A085;
    color: black;
/*    width: 90%;
      max-width: 1100px; */
    margin: 10;
}

footer {
    background: #555;
    color: white;
    text-align: center;
    padding: 15px 0;
    margin-top: 40px;
}

@media (max-width: 768px) {
    .service-box {
        flex-direction: column;
    }
}