#whatsappBtn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9998;
    background: #25d366;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    transition: transform 0.2s, box-shadow 0.2s;
    text-decoration: none;
}

#whatsappBtn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

/* Verschieben wenn Cookie-Banner sichtbar */
#cookieBanner ~ #whatsappBtn,
body:has(#cookieBanner) #whatsappBtn {
    bottom: 90px;
}

@media (max-width: 768px) {
    #whatsappBtn { width: 52px; height: 52px; bottom: 16px; right: 16px; }
    #whatsappBtn svg { width: 26px; height: 26px; }
}