@font-face {
    font-family: Quantico-Regular;
    src: url(fonts/Quantico-Regular.ttf);
}

*{
    margin: 0 auto;
    padding: 0;
    font-family: Quantico-Regular, Verdana, Geneva, Tahoma, sans-serif;
    color: silver;
}

body{
    width: 100%;
    height: 100vh;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), rgba(0, 0, 0 ,0.7)), url(images/solid-painted-concrete-wall-textured-backdrop.jpg);
    background-color: rgb(10, 10, 10);
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: cover;
}

header{
    margin-top: 1rem;
    max-width: 1260px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.navbar ul{
    display: flex;
    list-style: none;
}

.navbar ul li a{
    padding: 0 3.25rem;
    display: flex;
    justify-content: space-between;
    text-decoration: none;
    position: relative;
}

.navbar ul li a::before{
    content: "";
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%) scale(0);
    transition: transform 0.3s ease-in-out;
    height: 3px;
    width: 70%;
    background-color: silver;
}

.navbar ul li a:hover::before{
    transform: translateX(-50%) scale(1);
}

.aktuell::after{
    content: ""; 
    position: absolute; 
    bottom: -10px; 
    left: 50%; 
    transform: translateX(-50%); 
    height: 3px; 
    width: 70%; 
    background-color: silver;
}

.navbar ul a img{
    padding-left: 3.25rem;
    padding-right: 3.25rem;
    width: auto;
    height: 1.4rem;
}

.navbar ul a img{
    transition: transform 0.3s;
}

.navbar ul a:hover img{
    transform: scale(1.5);
}

.menu{
    z-index: 3;
    display: none;
    position: fixed;
    right: 1.5rem;
    flex-direction: column;
    justify-content: space-between;
    width: 2.5rem;
    height: 2.5rem;
    cursor: pointer;
    background: none;
    border: none;
}

.menu span{
    width: 100%;
}

.strich1, .strich2, .strich3{
    width: 30px;
    height: 20px;
    background-color: silver;
    margin: 5px 0;
    transition: transform 0.3s ease-in-out;
}

.x .strich1{
    transform: translate(0, 13.35px) rotate(-45deg);
}

.x .strich2{
    opacity: 0;
}

.x .strich3{
    transform: translate(0, -13.35px) rotate(45deg);
}

.sidebar{
    display: none;
}

@media (max-width: 936px){
    header{
        top:0;
        width: 100%;
        height: 5%;
        display: flex;
        align-items: center;
        justify-content: flex-start;
    }

    .navbar ul{
        display: none;
    }

    .menu{
        display: flex;
    }

    .sidebar{
        display: none;
        flex-direction: column;
        position: fixed;
        align-items: flex-start;
        justify-content: flex-start;
        top: 0;
        right: 0;
        height: 100vh;
        width: 15rem;
        overflow-y: auto;
        z-index: 2;
        background-color: rgb(10, 10, 10);
        box-shadow: -10px 0 10px rgba(0, 0, 0, 0.2);
        transition: right 0.3s ease;
    }
    
    .sidebar ul{
        list-style: none;
        padding-top: 3rem;
    }

    .sidebar ul li a{
        display: flex;
        align-items: center;
        justify-content: center;
        text-decoration: none;
        margin: 4rem 0;
        position: relative;
    }

    .sidebar ul li a.aktuell::after{
        content: ""; 
        position: absolute; 
        bottom: -10px;
        height: 3px; 
        width: 100%; 
        background-color: silver;
    }
    
    .sidebar ul li a img{
        width: 2rem;
        height: auto;
        transition: transform 0.3s;
    }
    
    .sidebar ul li a:hover img{
        transform: scale(1.5);
    }
}

main{
    margin-top: 6rem;
    max-width: 1260px;
    line-height: 240%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

#logo img{
    width: 550px;
    height: auto;
    mix-blend-mode: lighten;
}

#logostart img{
    width: 460px;
    height: auto;
}

#bandfoto img{
    width: 300px;
    height: auto;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.2), 0 0 20px rgba(255, 255, 255, 0.1);
}

main h1{
    font-size: 2rem;
}

main h2{
    font-size: 1.75rem;
}

main h3{
    font-size: 1.5rem;
}

main p{
    font-size: 1.2rem; 
}

#hinweis{
    display: block;
    color: red;
}

.demos video{
    width: 720px;
    height: 432px;
}

#uploads{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 2rem;
}

#uploads iframe{
    width: 600px;
    height: 360px;
}

main form{
    font-size: 1.2rem;
}

#email{
    background-color: rgb(26, 26, 26);
    width: 90%;
    font-size: 1rem;
    padding: 0.25rem;
}

#message{
    background-color: rgb(26, 26, 26);
    width: 90%;
    font-size: 1rem;
    padding: 0.25rem;
}

main form button{
    font-size: 1.2rem;
    padding: 0.25rem;
    background-color: rgb(26, 26, 26);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.2), 0 0 20px rgba(255, 255, 255, 0.1);
    transition: transform 0.3s;
    cursor: pointer;
}

main form button:hover{
    transform: scale(1.15);
}

main form button:active{
    color: rgb(26, 26, 26);
    background-color: silver;
}

@media (max-width: 480px){
    main{
        max-width: 320px;
        line-height: 150%;
        margin-top: 2rem;
    }

    #logo img{
        width: 300px;
    }

    #logostart img{
        width: 275px;
        height: auto;
    }

    #bandfoto img{
        width: 180px;
        height: auto;
    }

    main h1{
        font-size: 1.5rem;
    }

    main h2{
        font-size: 1.35rem;
    }
    
    main h3{
        font-size: 1.2rem;
    }

    main p{
        font-size: 1rem;
    }

    #youtube-video-container iframe{
        width: 300px;
        height: 180px;
    }

    .demos video{
        width: 300px;
        height: 180px;
    }

    #uploads{
        gap: 1rem;
    }

    #uploads iframe{
        width: 300px;
        height: 180px;
    }

    main form{
        font-size: 1rem;
    }
    
    #email{
        font-size: 0.8rem;
    }
    
    #message{
        font-size: 0.8rem;
    }
    
    main form button{
        font-size: 1rem;
    }
}

@media (min-width: 481px) and (max-width: 768px){
    main{
        max-width: 460px;
        line-height: 175%;
        margin-top: 2rem;
    }

    #logo img{
        width: 350px;
    }

    #logostart img{
        width: 320px;
        height: auto;
    }

    #bandfoto img{
        width: 210px;
        height: auto;
    }

    main h1{
        font-size: 1.7rem;
    }

    main h2{
        font-size: 1.5rem;
    }
    
    main h3{
        font-size: 1.3rem;
    }

    main p{
        font-size: 1.15rem;
    }

    #youtube-video-container iframe{
        width: 450px;
        height: 300px;
    }

    .demos video{
        width: 450px;
        height: 300px;
    }

    #uploads{
        gap: 1rem;
    }

    #uploads iframe{
        width: 450px;
        height: 300px;
    }

    main form{
        font-size: 1.15rem;
    }
    
    #email{
        font-size: 1rem;
    }
    
    #message{
        font-size: 1rem;
    }
    
    main form button{
        font-size: 1.15rem;
    }
}

@media (min-width: 769px) and (max-width: 936px){
    main{
        max-width: 748px;
        line-height: 185%;
        margin-top: 2rem;
    }

    #logo img{
        width: 402px;
    }

    #logostart img{
        width: 368px;
        height: auto;
    }

    #bandfoto img{
        width: 240px;
        height: auto;
    }

    #youtube-video-container iframe{
        width: 576px;
        height: 350px;
    }

    .demos video{
        width: 576px;
        height: 350px;
    }
}

@media (min-width: 937px) and (max-width: 1280px){
    main{
        max-width: 916px;
        line-height: 200%;
    }

    #logo img{
        width: 491px;
    }

    #logostart img{
        width: 410px;
    }

    #bandfoto img{
        width: 270px;
    }
}

footer{
    max-width: 1260px;
    margin-top: 5rem;
    padding-bottom: 1rem;
    background-color: initial;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-size: 1rem;
    line-height: 200%;
}

footer hr{
    width: 1260px;
    border: 0.5px solid silver;
}

footer p{
    padding-top: 2%;
}

.aktuellFooter::after{
    content: ""; 
    position: absolute; 
    bottom: -5px; 
    left: 50%; 
    transform: translateX(-50%); 
    height: 2px; 
    width: 100%; 
    background-color: silver;
}

.rechtliches ul{
    padding-top: 2%;
    list-style: none;
    display: flex;
    flex-direction: row;
    justify-content: center;
}

.rechtliches a{
    text-decoration: none;
    display: flex;
    justify-content: space-between;
    margin: 0 1rem;
    text-decoration: none;
    position: relative;
}

.rechtliches a::before{
    content: "";
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%) scale(0);
    transition: transform 0.3s ease-in-out;
    height: 2px;
    width: 100%;
    background-color: silver;
}

.rechtliches a:hover::before{
    transform: translateX(-50%) scale(1);
}

@media (max-width: 480px){
    footer{
        background-color: initial;
        line-height: 150%;
        margin-top: 2.5rem;
        margin-bottom: 1.25%;
        font-size: 0.5rem;
    }

    footer hr{
        width: 300px; 
    }
    
    footer p{
        padding-top: 1%;
    }

    .rechtliches ul{
        padding-top: 1%;
    }
    
    .rechtliches a{
        margin: 0 0.5rem;
    }
}

@media (min-width: 481px) and (max-width: 768px){
    footer{
        background-color: initial;
        line-height: 150%;
        margin-top: 2.5rem;
        margin-bottom: 1.25%;
        font-size: 0.5rem;
    }

    footer hr{
        width: 460px; 
    }
    
    footer p{
        padding-top: 1%;
    }

    .rechtliches ul{
        padding-top: 1%;
    }
    
    .rechtliches a{
        margin: 0 0.5rem;
    }
}

@media (min-width: 769px) and (max-width: 936px){
    footer{
        background-color: initial;
        line-height: 150%;
        margin-top: 2.5rem;
        margin-bottom: 1.25%;
        font-size: 0.5rem;
    }

    footer hr{
        width: 748px; 
    }
    
    footer p{
        padding-top: 1%;
    }

    .rechtliches ul{
        padding-top: 1%;
    }
    
    .rechtliches a{
        margin: 0 0.5rem;
    }
}

@media (min-width: 937px) and (max-width: 1280px){
    footer{
        background-color: initial;
        line-height: 150%;
        margin-bottom: 1.8%;
        font-size: 0.75rem;
    }

    footer hr{
        width: 916px;
    }
    
    footer p{
        padding-top: 1.5%;
    }

    .rechtliches ul{
        padding-top: 1.5%;
    }
    
    .rechtliches a{
        margin: 0 0.75rem;
    }
}