body {
    margin: 0;
    padding: 0;
    background-color: #000;
    font-family: Arial, Helvetica, sans-serif;
    color: white;
    text-align: center;
}

/* Logo-Bereich */
.logo-container {
    margin-top: 1vh;
}

.logo {
    width: 600px; /* anpassen wenn nötig */
}

.subtitle {
    margin-top: 10px;
    font-size: 24px;
    letter-spacing: 2px;
}

/* Button-Bereich */
.button-container {
    position: absolute;
    bottom: 15vh;
    width: 100%;
    display: flex;
    justify-content: center;
    gap: 60px;
}

.btn {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 28px;
    font-weight: bold;
    color: white;
    text-decoration: none;
    box-shadow: 0 10px 25px rgba(0,0,0,0.6);
    transition: transform 0.15s, box-shadow 0.15s;
}

/* Plastische Farben */
.green {
    background: linear-gradient(#00aa00, #006600);
}

.red {
    background: linear-gradient(#aa0000, #660000);
}

/* Klick-Effekt */
.btn:hover {
    transform: scale(1.1);
    box-shadow: 0 15px 35px rgba(255,255,255,0.2);
}