.fireflies {
    position: fixed;
    display: flex;
    flex-wrap: wrap;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
    pointer-events: none; /* Prevent blocking clicks */
    overflow: hidden;
}

.fireflies span {
    width: clamp(10px, 3vw, 30px);
    height: clamp(10px, 3vw, 30px);
    background: #a12dff;
    margin: 4px;
    border-radius: 50%;
    box-shadow: 0 0 0 10px #AB2DFF44, 0 0 50px #a12dff, 0 0 100px #a12dff;
    animation: rise 15s linear infinite;
    animation-duration: calc(260s / var(--i));
}

@keyframes rise {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    50% {
        opacity: 1;
        transform: translateY(50vh) scale(1.1);
    }
    100% {
        transform: translateY(-10vh) scale(0.3);
        opacity: 0;
    }
}