.wa-icon {
    width: 30px;
    height: 30px;
    fill: white;
}            
            
/* Variant 9: Glassmorphism */
.btn-9 {
    width: 60px;
    height: 60px;
    background: rgba(37, 211, 102, 0.2);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(37, 211, 102, 0.5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
}
.btn-9:hover {
    background: rgba(37, 211, 102, 0.4);
    border-color: #25d366;
}
.btn-9 svg {
    fill: #25d366;
}