*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body{
    font-family: 'Glacial-Indifference', sans-serif;
    max-width: 100%;
    overflow-x: hidden;
    background-color: #191919;
}

.hero-section{
    position: relative;
    width: 100vw;
    height: 100vh;
    background-color: #d10a14;
}

.hero-text{
    font-family: 'Dela Gothic One', sans-serif;
    color: #fff2eb;
    text-transform: uppercase;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-title{
    position: absolute;
    text-align: center;
    z-index: 10;
    text-shadow: 1px 1px 10px black;
}

.hero-subtitle{
    position: absolute;
    color: transparent;
    -webkit-text-stroke: 1px #fff2eb;
}

#hero-3d{
    position: absolute;
    width: 100%;
    max-width: 100%;
    animation: animateHeroImage 200s linear infinite;
}

#hero-wolke{
    max-width: 150%;
}

.stars-scene{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;   
}

.stars-scene i{
    position: absolute;
    background-color: #fff;
    border-radius: 50%;
    animation: animateStars linear infinite;
    opacity: 0;
}

.referenzen-section{
    position: relative;
}



.referenzen-wrapper{
    padding: 5em 0em 0em 0em;
    position: relative;
    z-index: 10;
}

.referenz{
    font-family: 'Glacial-Indifference', sans-serif;
    transform: scale(0%);
}

.referenz a{
    text-decoration: none;
}

.referenz-box{
    background-color: #191919;
}

.referenz-box-image{
    position: relative;
}

.referenz-box-image img{
    display: block;
    min-width: 100%;
    max-width: 100%;
    min-height: 50vh;
    max-height: 50vh;
    object-fit: cover;
}

.referenz-box-text{
    font-size: 1.25rem;
    padding: 2em;
    padding-top: 1em;
    padding-bottom: 4em;
    color: #fff2eb;
}

.referenz-box-text h3{
    font-family: 'Dela Gothic One', cursive;
}

.referenz-box-text p{
    padding-top: .5em;
}

.referenzen-section-star-scene{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;   
    z-index: 1;
}

.referenzen-section-star-scene i{
    position: absolute;
    background-color: #d10a14;
    border-radius: 50%;
    animation: animateRedStars linear infinite;
    opacity: 0;
    z-index: 1;
}

.cta-section{
    padding: 1em 40px 3em 40px;
}

/* Keyframes */

@keyframes animateHeroImage{

    0%{
        transform: rotate(0deg);
    }

    50%{
        transform: rotate(180deg);
    }

    100%{
        transform: rotate(360deg);
    }

}

@keyframes animateStars{

    0%{
        opacity: 0;
        transform: translateY(0);
    }

    10%,90%{
        opacity: .5;
    }

    100%{
        opacity: 0;
        transform: translateY(-100px);
    }

}

@keyframes slideLeft{

    0%{
        transform: translateX(0%);
    }

    100%{
        transform: translateX(-100%);
    }

}

@keyframes slideRight{

    0%{
        transform: translateX(-100%);
    }

    100%{
        transform: translateX(0%);
    }

}

@keyframes animateRedStars{

    0%{
        opacity: 0;
        transform: translateY(0);
    }

    10%,90%{
        opacity: 1;
    }

    100%{
        opacity: 0;
        transform: translateY(-100px);
    }

}

/* ----- Mediaqueries ----- */

/* Ganz kleine Größen wie z.B. iPhone 4 */
@media (max-width: 320px){



}

/* Größer als Standardgröße */

@media (min-width: 380px){

   

}

@media (min-width: 650px){

    #hero-3d {
        max-width: 90%;
    }

    .referenz-box-image img {
        min-height: 60vh;
        max-height: 60vh;
    }

    .referenz-box-text {
        font-size: 1.75rem;
    }

}

@media (min-width: 768px){

    #hero-3d {
        width: 80% !important;
        max-width: 80% !important;
    }

    .referenz-box{
        position: relative;
    }

    .referenz-box-image{
        transition-duration: .2s;
    }

    .referenz-box-text{
        font-size: 1.5rem;
        position: absolute;
        bottom: 0;
        left: 0;
        text-shadow: 1px 1px 10px black;
        padding: 3em;
        padding-bottom: 2.5em;
    }

    .referenz-box:hover .referenz-box-image{
        transform: scale(1.05);
        filter: brightness(0.8);
        transition-duration: .2s;
    }

    .cta-section{
        padding: 4em 60px 6em 60px;
    }
}

@media (min-width: 992px){

    #hero-3d{
        width: 70% !important;
        max-width: 70% !important;
    }

}

@media (min-width: 1200px){

    #hero-3d{
        width: 60% !important;
        max-width: 60% !important;
    }

    .referenzen-wrapper {
        display: flex;
        flex-wrap: wrap;
    }

    .referenz{
        width: 50%;
    }

    .referenz-box-image img {
        min-height: 80vh;
        max-height: 80vh;
    }

    .cta-section{
        padding: 5em 150px 7em 100px;
    }
    
}

@media (min-width: 1400px){

    #hero-3d {
        width: 55% !important;
        max-width: 55% !important;
    }

    .referenz-box-image img {
        min-height: 90vh;
        max-height: 90vh;
    }

    /* .referenz-box-text{
        transform: translateY(10px);
        opacity: 0;
        transition-duration: .2s;
    }

    .referenz:hover .referenz-box-text{
        transform: translateY(0px);
        opacity: 1;
        transition-duration: .2s;
    } */
    
    .cta-section{
        padding: 5em 200px 7em 150px;
    }

}

@media (min-width: 1700px){

    #hero-3d{
        width: 50% !important;
        max-width: 50% !important;
    }

    .referenz-box-text{
        font-size: 1.65rem;
        padding-bottom: 3em;
    }

    .cta-section{
        padding: 3em 250px 5em 200px;
    }
    
}

@media (min-width: 1800px){

    .referenzen-wrapper {
        padding: 12em 0em 8em 0em;
    }

    .referenz {
        max-width: 25%;
    }

    .referenz-box-text{
        font-size: 2rem;
    }

    #referenzen-vapez-img{
        object-position: 70% 0%;
    }

}