* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

@font-face {
    font-family: normal;
    src: url(/font/Roboto-Medium.ttf);
}

@font-face {
    font-family: bold;
    src: url(/font/Roboto-Bold.ttf);
} 

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

header.main-header {
    background-color: rgba(255, 255, 255, 100);
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 1.5rem;
    position: fixed;
}

header.main-header a {
    text-decoration: none;
    color: black;
}

header.main-header a h3.no-underline {
    margin: 0;
    opacity: 60%;
    transition: opacity 0.3s ease;
}

header.main-header h3.no-underline:hover {
    opacity: 100%;
}

header.main-header nav ul {
    display: flex;
    margin: 0;
    padding: 0;
    list-style: none;
    gap: 1rem;
}

header.main-header nav ul li {
    opacity: 60%;
    transition: opacity 0.3s ease;
}

header.main-header nav ul li:hover {
    opacity: 100%;
}

header.main-header a h1 {
    margin: 0;
}

main {
    
    margin: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

main section {
    margin-bottom: 2rem;
}

main section#start {
    display: flex;
    flex-direction: column;

    height: 100vh;
}

main section p.zentriert {
    font-size: x-large;
    font-family: bold;
    text-align: center;
    max-width: 100%;
    display: flex;
    justify-content: center;
    margin-bottom: auto;
    margin-top: auto;
}

main section p br {
    margin-bottom: 2rem;
}

main section p {
    max-width: 50%;
    display: contents;
    justify-content: center;
}

#start a {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: black;
    opacity: 60%;
    transition: opacity 0.3s ease;
    margin-bottom: 2rem;
}

#start a:hover {
    opacity: 100%;
    text-decoration: none;
}





main section ul {
    max-width: 75vw;
    padding: 0;
    display: flex;
    flex-direction: column;
    list-style: none;
}

main section ul li {
    list-style: none;
}

main section ul li a{
    margin-bottom: 1rem;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 2rem;
    list-style: none;
    text-decoration: none;
    color: black;
}


main section ul li:nth-of-type(even) a{
    flex-direction: row-reverse;
}


main section li img {
    padding: 1rem;
    width: 50%;
    margin-right: 0rem;
}

main section li div {
    padding: 1rem;  
    width: 50%;
    flex: 1;
}

main section li div h3{
    padding-top: 0.4rem;
    border-top: 2px solid black;
}


footer {
    margin: auto;
    width: 75%;
    max-width: 100%;
}


footer div {
    text-align: center;
    border-top: 2px solid black;
    border-bottom: 2px solid black;
    margin-bottom: 4%;
}

#impressum{
    font-size: x-small;
    border-top: 0;
    border-bottom: 0;
}

a {
    text-decoration: none;
    color: black;
}