/* WhatsApp floating button */
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.7); }
    70% { box-shadow: 0 0 0 10px rgba(37,211,102,0); }
    100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: white;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.2);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    animation: pulse 2s infinite;
}

.whatsapp-tooltip {
    position: absolute;
    bottom: 70px;
    right: 0;
    background: #25d366;
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.whatsapp-tooltip:after {
    content: '';
    position: absolute;
    top: 100%;
    right: 20px;
    border: 8px solid transparent;
    border-top-color: #25d366;
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    transform: translateY(0);
}


/* Footer basics */
footer {
    background-color: var(--dark);
    color: white;
    padding: 60px 0 30px;
}

footer a { color: rgba(255,255,255,0.7); text-decoration: none; transition: all 0.3s; }
footer a:hover { color: white; }