/* Modern WhatsApp Button */
.whatsapp-floating {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 9999;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    text-decoration: none;
    border: none;
    outline: none;
}

.whatsapp-floating:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.4);
    background: linear-gradient(135deg, #128C7E 0%, #25D366 100%);
}

.whatsapp-floating:active {
    transform: scale(0.95);
}

.whatsapp-floating svg {
    width: 32px;
    height: 32px;
    fill: white;
    transition: transform 0.2s ease;
}

.whatsapp-floating:hover svg {
    transform: rotate(5deg);
}

/* Tooltip */
.whatsapp-floating:after {
    content: "Scrivici su WhatsApp";
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 14px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
    transform: translateY(-50%) translateX(10px);
    z-index: 1;
}

.whatsapp-floating:hover:after {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

/* Pulse animation */
.whatsapp-floating:before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: rgba(37, 211, 102, 0.3);
    z-index: -1;
    animation: pulse 2s infinite;
    pointer-events: none;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(1.4);
        opacity: 0;
    }
}

/* Mobile responsive */
@media (max-width: 768px) {
    .whatsapp-floating {
        bottom: 20px;
        right: 20px;
        width: 55px;
        height: 55px;
    }
    
    .whatsapp-floating svg {
        width: 28px;
        height: 28px;
    }
    
    .whatsapp-floating:after {
        display: none;
    }
}

@media (max-width: 480px) {
    .whatsapp-floating {
        bottom: 15px;
        right: 15px;
        width: 50px;
        height: 50px;
    }
    
    .whatsapp-floating svg {
        width: 26px;
        height: 26px;
    }
}