:root {
    --c: #3f0074; /* цвет дождя */
}

#bg {
    position: fixed;
    inset: 0;
    background: #000;
    z-index: 0;
}

#neon-rain {
    position: fixed;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 1;
}

.neon-line {
    position: absolute;
    width: var(--w, 2px);
    height: var(--h, 150px);
    left: var(--x, 0);
    top: var(--y, -200px);
    background: var(--c);
    filter: drop-shadow(0 0 12px var(--c)) drop-shadow(0 0 30px var(--c));
    opacity: 0.9;
    animation: fall var(--speed, 2s) linear infinite;
}

/* анимация падения с колебанием */
@keyframes fall {
    0%   { transform: translateX(0) translateY(0); }
    25%  { transform: translateX(var(--sway1, 5px)) translateY(25vh); }
    50%  { transform: translateX(var(--sway2, -3px)) translateY(50vh); }
    75%  { transform: translateX(var(--sway3, 4px)) translateY(75vh); }
    100% { transform: translateX(0) translateY(120vh); }
}

#glass {
    background-color: rgba(0, 0, 0, 0.29);
    position: fixed;
    inset: 0;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 2;
    pointer-events: none;
}

.text {
    position: relative;
    z-index: 3;
    color: #fff;
}