// Ripple effect for Button 9
document.querySelectorAll('.btn-ripple').forEach(button => {
    button.addEventListener('click', function(e) {
        e.preventDefault();
        
        const x = e.clientX - e.target.getBoundingClientRect().left;
        const y = e.clientY - e.target.getBoundingClientRect().top;
        
        const ripple = document.createElement('span');
        ripple.className = 'ripple-effect';
        ripple.style.left = `${x}px`;
        ripple.style.top = `${y}px`;
        
        this.appendChild(ripple);
        
        setTimeout(() => {
            ripple.remove();
        }, 1000);
    });
});

// Style for ripple effect
const style = document.createElement('style');
style.textContent = `
    .ripple-effect {
        position: absolute;
        border-radius: 50%;
        background-color: rgba(255, 255, 255, 0.7);
        transform: scale(0);
        animation: ripple 0.6s linear;
        pointer-events: none;
        width: 20px;
        height: 20px;
    }
    
    @keyframes ripple {
        to {
            transform: scale(4);
            opacity: 0;
        }
    }
`;
document.head.appendChild(style);