body {
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
    text-align: justify;
}

.container {
    text-align: center;
    padding: 50px 20px;
}

h1 {
    font-size: 3rem;
    color: #1a1a1a;
    margin-bottom: 50px;
}

.grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}


.card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    width: 350px;
    cursor: pointer;
    text-align: center;
    padding: 25px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
    color: inherit;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.15);
}

.card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 15px;
    margin-bottom: 20px;
}

.card h2 {
    font-size: 1.8rem;
    margin: 15px 0;
    color: #1a1a1a;
}

.card p {
    font-size: 1.1rem;
    color: #555;
    line-height: 1.6;
}

.stock-container {
    margin-top: 50px;
    padding: 20px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.row {
    display: flex;
    flex-wrap: wrap;
    flex-direction: column;
    gap: 20px;
    justify-content: center;
}

.row-p {
    width: 1200px;
    display: flex;
    align-items: center;
}

.row-p a {
    color: blue;
    text-decoration: none;
}

.row-p a:hover {
    text-decoration: underline;
}

img{
    margin-top: 10px;
}

.title {
    font-family: Arial;
    text-align: center;
    font-size: 1.8rem;
    color: #555;
    margin: 1.5rem auto;
}

.quell-title {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.container::after {
    content: '';
    display: block;
    width: 400px;
    height: 3px;
    background-color: #007BFF;
    margin: 0.5rem auto;
}

.div-container::after {
    content: '';
    display: block;
    width: 100px;
    height: 3px;
    background-color: #007BFF;
    margin: 0.5rem auto;
}


header {
    font-family: Arial, sans-serif;
    background-color: #333;
    padding: 20px 0;
    width: 100%;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.navbar {
    display: flex;
    justify-content: center;
    align-items: center;

}

.navbar ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 30px;
}

.navbar li {
    margin: 0;
}

.navbar a {
    color: white;
    text-decoration: none;
    font-size: 1.4rem;
    padding: 10px 20px;
    transition: background-color 0.3s, color 0.3s;
    border-radius: 5px;
}

.navbar a:hover {
    background-color: darkgrey;
    opacity: 90%;
    color: #333;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
}

body {
    padding-top: 80px;
}

.div-container {
    font-family: "sans-serif";
    width: 1200px;
    margin: 0 auto;
    margin-bottom: 20px ;
}

.quell-container-container {
    font-family: "sans-serif";
    width: 1200px;
    margin: 0 auto;
    margin-bottom: 20px ;
}

.div-container p{
    text-align: justify;
    font-family: Century;
    color: black;
    line-height: 1.2;
}

.bild-container{
    width: 900px;
    height: 450px;
    margin-bottom: 20px;
}

img{
    width: 700px;
    height: 450px;
    margin-bottom: 10px;
}

iframe {
    padding-top: 20px;
    padding-bottom: 20px;
    width: 700px;
    height: 400px;
}

.footer{
    text-align: right;
}

.button {
    background-color: #3b82f6;
    border: #3b82f6 ;
    color: white;
    font-weight: bold;
    padding: 1rem 2rem;
    border-radius: 0.375rem;
    transition: background-color 0.3s ease;
    margin: 5px 20px 20px 20px
}

.button:hover {
    background-color: #1e40af;
}

@media (max-width: 1200px) {

    body{
        margin-left: 20px;
    }

    h1 {
        font-size: 2.5rem;
        text-align: center;
    }

    .container {
        display: flex;
        flex-direction: column;
        text-align: center;
    }

    .div-container{
        justify-content: center;
        width: 100%;
    }

    .div-container{
        justify-content: center;
        width: 100%;
    }

    .bild-container{
        max-width: 100%;
        width: 800px;
        height: 450px;
    }

    iframe {
        width: 100%;
        max-width: 700px;
        height: 400px;
        margin: 30px auto;
        display: block;
    }

    img{
        width: 100%;
        max-width: 700px;
        height: 400px;
        margin: 30px auto;
        display: block;
    }

    .grid {
        gap: 20px;
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
    }

    .card {
        width: 90%;
        max-width: 300px;
        text-align: center;
    }

    img {
        max-width: 600px;
        width: 100%;
        height: 400px;
    }

    p {
        width: 100%;
        max-width: 700px;
        margin: 0 auto;
        text-align: center;
    }

    .row-p {
        width: 100%;
        max-width: 700px;
        margin: 0 auto;
        text-align: center;
        font-size: 1rem;
    }

    .navbar ul {
        gap: 20px;
        justify-content: center;
    }

    .navbar a {
        font-size: 1.2rem;
        padding: 8px 15px;
    }

}

@media (max-width: 768px) {

    body{
        margin-left: 20px;
    }

    .grid {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }

    .container {
        padding-top: 20px;
        display: flex;
        flex-direction: column;
        text-align: center;
    }

    .card {
        width: 90%;
    }

    .row-p{
        font-size: 0.7rem;
    }

    .navbar{
        display: flex;
    }

    .title{
        width: 80%;
        font-size: 1.0rem;
    }

    .container{
        margin-top: 20px;
        position: relative;
    }

    .div-container::after {
        content: '';
        display: block;
        width: 100px;
        height: 3px;
        background-color: #007BFF;
        margin: 0.5rem auto;
    }


    h1 {
        font-size: 2rem;
        text-align: center;
    }

    .navbar{
        display: flex;
        justify-content: space-around;
        align-items: center;
        width: 100%;
    }


    .container{
        margin-top: 150px;
        padding: 20px;
        position: relative;
    }

    .navbar ul {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .navbar a {
        font-size: 1rem;
        padding: 8px 10px;
    }

    .stock-container {
        padding: 15px;
        text-align: center;
    }

    iframe {
        width: 100%;
        max-width: 600px;
        height: 200px;
        margin: 30px auto;
        display: block;
    }

    .bild-container {
        max-width: 600px;
        width: 100%;
        height: 300px;
    }

    img {
        margin-top: 40px;
        max-width: 600px;
        width: 100%;
        height: 250px;
    }

    .button {
        padding: 10px 20px;
        font-size: 14px;
    }

    p {
        width: 100%;
        max-width: 600px;
        margin: 0 auto;
        text-align: center;
    }

    .container::after {
        content: '';
        display: block;
        width: 200px;
        height: 3px;
        background-color: #007BFF;
        margin: 0.5rem auto;
    }

    .card-container{
        margin-right: 20px;
    }
}

@media (max-width: 768px) and (orientation: landscape) {

    body{
        margin-left: 20px;
    }

    .grid {
        flex-direction: row;
        gap: 20px;
    }

    .card {
        width: 45%;
    }

    h1 {
        font-size: 1.5rem;
    }

    iframe {
        height: 250px;
    }

    img {
        height: 300px;
    }

    .navbar ul {
        flex-direction: row;
        justify-content: center;
        gap: 10px;
    }

    .navbar a {
        font-size: 0.9rem;
        padding: 5px 8px;
    }

    .stock-container {
        padding: 10px;
    }
}

.div-container ul li{
    text-align: left;
    padding-top: 5px;
    padding-bottom: 5px;
}

blockquote {
    text-align: justify;
}