* { margin: 0;    padding: 0;    box-sizing: border-box;}
html, body {    width: 100%;    margin: 0;    padding: 0; max-width: 100vw !important;
    overflow-x: hidden !important;}
body {font-family: 'Helvetica Neue', Arial, sans-serif; font-size: 16px;line-height: 1.5;color: #fff;-webkit-font-smoothing: antialiased;}


.sectionstart {
    width: 100%;
    position: relative;
    min-height: 90svh; /* Fallback */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 5px;
    background: radial-gradient(circle at center, #1a1a1a 0%, #080808 100%);
}


.vtour {
    width: 100%;
    position: relative;
    min-height: 87svh; 
    display: flex;
    flex-direction: column;
    align-items: center;    
    justify-content: flex-start; 
    padding: 100px 5px 10px 10px; 
    background-color: #303030; 
    box-sizing: border-box;
}

.vtour-inner {
    width: 100%;
    max-width: 1000px; 
    display: flex;
    flex-direction: column;
    align-items: flex-start; 
    text-align: left;
    box-sizing: border-box;
}

.vtour p
{
    width: 75%;
    margin: 0 auto;
    }

.iframe-container {
    position: relative;
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    border-radius: 12px;
    border: 3px solid #bfbaba;
    box-sizing: border-box;
}

/* ==================================================
   Standard 
   ================================================== */
.iframe-container iframe {
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 5;
    min-height: 420px;
    max-height: 80vh;
    border: 0;
    border-radius: 8px;
    display: block;
}

/* ==================================================
   2. Smartphones im Querformat / Kleine Tablets (ab 576px)
   Querformat (3:2) für geringe Displayhöhen
   ================================================== */
@media (min-width: 576px) and (orientation: landscape) {
    .iframe-container iframe {
        aspect-ratio: 3 / 2;
        min-height: 280px;
        max-height: 70vh;
    }
}

/* ==================================================
   3. Tablets im Hochformat (ab 768px)
   ================================================== */
@media (min-width: 768px) and (orientation: portrait) {
    .iframe-container iframe {
        aspect-ratio: 4 / 5;
        min-height: 650px;
        max-height: 80vh;
    }
}

/* ==================================================
   4. Tablets im Querformat & Laptops (ab 992px)
   Querformat (3:2) als kompakter Desktop-Standard
   ================================================== */
@media (min-width: 992px) {
    .iframe-container iframe {
        aspect-ratio: 3 / 2;
        min-height: 450px;
        max-height: 75vh;
    }
}





/* Overlay deckt das iFrame exakt ab */
.iframe-overlay {
    position: absolute;
    inset: 0;
    z-index: 10;
    background: rgba(0, 0, 0, 0.4);
    cursor: pointer;
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.iframe-overlay span {
    font-size: 28px;
    border:2px solid #fff;
    text-align: center;
    background: #1c1b1b;
    color: #ffffff;
    border-radius: 20px;
    padding: 20px;
    will-change: transform, opacity;
    animation: pulseNotice 2s infinite ease-in-out;
}

@keyframes pulseNotice {
    0%, 100% {
        transform: scale(1);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.02);
        opacity: 1;
    }
}

.iframe-overlay.active {
    display: none;
}