/* Floating WhatsApp button - global, visible on all pages and viewports */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #25d366;
    color: #fff;
    border-radius: 50%;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
    z-index: 10000;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
}
.whatsapp-float i {
    font-size: 2rem;
}
.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}
@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 56px;
        height: 56px;
    }
    .whatsapp-float i {
        font-size: 1.75rem;
    }
}