/* =========================================
   VR HINTERGRUND
   ========================================= */

.background {
    position: fixed;

    top: 0;
    left: 0;

    width: 100%;
    height: 100%;

    z-index: -1;

    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;

    transition: opacity 1s ease;
}

#background1 {
    opacity: 1;
}

#background2 {
    opacity: 0;
}

/* =========================================
   HEADER-BILDER
   ========================================= */

.header-images {
    display: flex;

    width: 100%;
    height: 100%;
}

.image-strip {
    flex: 1;

    height: 100%;

    background-size: cover;
    background-position: center;

    overflow: hidden;

    border: 1px solid black;

    transition: flex 0.5s ease;
}

.image-strip:hover {
    flex: 5;
}

.image-strip.header1 {
    background-position: 25% center;
}

.image-strip.header2 {
    background-position: 20% center;
}

.image-strip.header3 {
    background-position: 47% center;
}

.image-strip.header4 {
    background-position: 37% center;
}

.image-strip.header5 {
    background-position: 56% center;
}

/* =========================================
   VR ERLEBNISSE
   ========================================= */

.vr-grid {
    display: grid;

    grid-template-columns: repeat(2, 1fr);

    gap: 20px;

    margin-top: 40px;
}

.vr-card {
    padding: 25px;

    text-align: left;

    background: rgba(255, 255, 255, 0.04);

    border: 1px solid rgba(255, 255, 255, 0.12);

    transition:
        background-color 0.3s ease,
        transform 0.3s ease;
}

.vr-card:hover {
    background-color: rgba(255, 255, 255, 0.09);

    transform: translateY(-5px);
}


/* =========================================
   ZIELGRUPPEN
   ========================================= */

.target-grid {
    display: grid;

    grid-template-columns: repeat(2, 1fr);

    gap: 20px;

    margin-top: 40px;
}

.target-card {
    padding: 25px;

    background: rgba(255, 255, 255, 0.04);

    border-left: 2px solid #555555;
}


/* =========================================
   ABLAUF
   ========================================= */

.steps {
    margin-top: 40px;

    text-align: left;
}

.step {
    position: relative;

    margin-bottom: 30px;

    padding: 20px 20px 20px 80px;

    border-left: 1px solid #555555;
}

.step span {
    position: absolute;

    left: -25px;
    top: 20px;

    display: flex;

    width: 48px;
    height: 48px;

    align-items: center;
    justify-content: center;

    color: #dddddd;

    background-color: black;

    border: 1px solid #555555;

    font-size: 0.9rem;
}


/* =========================================
   VR BILD
   ========================================= */

.content-box img {
    display: block;

    width: 100%;
    height: auto;

    margin: 30px auto;
}


/* =========================================
   KONTAKT
   ========================================= */

.contact {
    padding-top: 100px;
    padding-bottom: 100px;
}

.contact-button {
    display: inline-block;

    margin-top: 25px;

    padding: 15px 35px;

    color: white !important;

    background-color: #222222;

    border: 1px solid #555555;

    text-decoration: none;

    transition:
        background-color 0.3s ease,
        border-color 0.3s ease;
}

.contact-button:hover {
    background-color: #444444;

    border-color: #999999;
}


/* =========================================
   MOBILE VR
   ========================================= */

@media (max-width: 800px) {

    .vr-grid,
    .target-grid {
        grid-template-columns: 1fr;
    }

    .step {
        padding-left: 60px;
    }
}