html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background: url('../images/logo.png') no-repeat center center fixed;
    background-size: 80%;
    color: #fff;
}



}

/* Sticky Footer */
.sticky-footer {
    background-color: rgba(50,50,50,0.9);
    color: #fff;
    text-align: center;
    padding: 10px;
}


.wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    background-color: rgba(50,50,50,0.9);
    color: #fff;
    padding: 20px;
    text-align: center;
}

header .header-inner {
    max-width: 1200px;
    margin: 0 auto;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 10px 0 0 0;
}

nav ul li {
    display: inline-block;
    margin: 0 10px;
}

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

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

main {
    flex: 1;
    padding: 20px;
    background-color: rgba(50,50,50,0.9);
    color: #fff;
    max-width: 95%;
    margin: 20px;
    border-radius: 8px;
}

.card {
    background-color: rgba(255,255,255,0.9);
    color: #333;
    padding: 15px;
    margin-bottom: 15px;
    border-radius: 8px;
}

footer {
    background-color: rgba(50,50,50,0.9);
    color: #fff;
    text-align: center;
    padding: 10px;
}

/* Form Layout */
.form-row {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.form-group {
    flex: 1;
    display: flex;
    flex-direction: column;
}

textarea {
    width: 100%;
    resize: vertical;
}

.error {
    color: red;
}

@media (max-width: 600px) {
    body { background-size: 80%; }
    header { padding: 15px; text-align: center; }
    nav ul li { display: block; margin: 5px 0; text-align: center; }
    main { padding: 15px; margin: 10px; }
    .form-row {
        flex-direction: column; /* Nebeneinander-Felder werden untereinander */
        gap: 10px;
    }
}