/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Before/after demo cards */
.demo-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.demo-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}