body {
    font-family: sans-serif;
    margin: 0;
}

header {
    background-color: #333;
    color: #fff;
    padding: 1rem;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

settings-management{
    top: 150px;
}

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

nav li {
    margin: 0 1rem;
}

nav a {
    color: #fff;
    text-decoration: none;
}

main {
    padding: 2rem;
    padding-top: 5rem;
}

section {
    margin-bottom: 2rem;
}

#Haupt_Seite {
    margin-left: 30%;
    margin-right: 30%;
}

#Haupt_Seite img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto 1rem auto;
}

h1, h2 {
    text-align: center;
}

.dienste-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.dienst {
    border: 1px solid #ccc;
    border-radius: 5px;
    padding: 1rem;
    margin: 1rem;
    width: 300px;
    text-align: center;
}

.preis {
    font-weight: bold;
}

.referenzen-container {
    display: flex;
    justify-content: center;
}

.referenz {
    margin: 1rem;
    text-align: center;
    cursor: pointer;
}

.referenz img {
    width: 200px;
    height: 200px;
    object-fit: cover;
}

#referenz-details-container {
    margin-top: 2rem;
}

.referenz-details {
    display: none;
    border: 1px solid #ccc;
    border-radius: 5px;
    padding: 1rem;
    margin: 1rem auto;
    width: 50%;
    position: relative;
}

.referenz-details.active {
    display: block;
}

.close-btn {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 1.5rem;
    cursor: pointer;
}

.kontakt-container {
    display: flex;
    justify-content: space-around;
}

.adresse {
    width: 40%;
}

.map {
    width: 50%;
}

footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 1rem;
}

@media (max-width: 768px) {
    #Haupt_Seite {
        margin-left: 10%;
        margin-right: 10%;
    }

    .dienste-container,
    .referenzen-container,
    .kontakt-container {
        flex-direction: column;
        align-items: center;
    }

    .dienst,
    .referenz,
    .adresse,
    .map {
        width: 90%;
        margin: 1rem 0;
    }
}