.iframe-section {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 20px;
    padding: 30px 20px;
}

/* Box-Grundlayout */
.iframe-box {
    flex: 1 1 30%;
    max-width: 32%;
    height: 520px;
    background-color: #222;
    border: 1px dashed #555;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    padding: 15px;
    box-sizing: border-box;
    color: #aaa;
}

/* Titel oben in der Box */
.iframe-title {
    color: #fff;
    font-size: 1.2rem;
    text-align: center;
    margin-bottom: 10px;
}

/* iframe-Container nimmt restlichen Platz ein */
.iframe-container {
    flex: 1;
    width: 100%;
    overflow: hidden;
}

.iframe-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* Platzhalter-Text */
.iframe-box.placeholder p {
    color: #888;
    font-style: italic;
    padding: 20px;
    text-align: center;
}

/* LED-Trennlinie unten */
.led-divider-inside {
    width: 100%;
    height: 4px;
    background: red;
    margin-top: 10px;
    border-radius: 2px;
    box-shadow:
        0 0 6px rgba(255, 0, 0, 0.7),
        0 0 12px rgba(255, 0, 0, 0.5),
        0 0 20px rgba(255, 0, 0, 0.3);
}

/* Mobile-Optimierung */
@media screen and (max-width: 960px) {
    .iframe-section {
        flex-direction: column;
        align-items: center;
    }

    .iframe-box {
        width: 100%;
        max-width: 500px;
    }
}
.radio-button {
    display: inline-block;
    background: #550000;
    color: white;
    padding: 12px 20px;
    border: 2px solid #ff0000;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    width: 80%;
    text-align: center;
}

.radio-button:hover {
    background: #770000;
    border-color: #ff4444;
    transform: scale(1.05);
    box-shadow: 0 0 8px rgba(255, 0, 0, 0.5);
}