/* Nvshu rain reusable background */

/* Base page background to match landing page */
body {
    overflow-x: hidden;
    /* background: radial-gradient(ellipse at center, rgba(255, 253, 233, 0.03) 0%, rgba(0, 0, 0, 1) 70%); */
}

/* Animated soft light layers */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 30%, rgba(255, 253, 233, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 253, 233, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(255, 253, 233, 0.02) 0%, transparent 70%);
    pointer-events: none;
    z-index: -2;
    animation: background-pulse 10s ease-in-out infinite;
}

@keyframes background-pulse {
    0%, 100% {
        opacity: 0.5;
    }
    50% {
        opacity: 1;
    }
}

/* Nvshu matrix-rain container */
.nvshu-rain-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.nvshu-column {
    position: absolute;
    top: -300px;
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: matrix-rain linear infinite;
    z-index: 2;
}

.nvshu-column .char-img {
    display: block;
    width: 30px;
    height: auto;
    margin-bottom: 10px;
    opacity: 0.8;
    filter: brightness(1.5) contrast(1.2) drop-shadow(0 0 8px rgba(255, 253, 233, 0.4));
    animation: char-fade 1.5s ease-in-out infinite alternate;
}

.nvshu-column .char-img:first-child {
    opacity: 1;
    filter: brightness(2) contrast(1.5) drop-shadow(0 0 15px rgba(255, 253, 233, 0.8));
    width: 35px;
}

.nvshu-column .char-img:nth-child(2) { opacity: 0.9; width: 32px; }
.nvshu-column .char-img:nth-child(3) { opacity: 0.7; }
.nvshu-column .char-img:nth-child(4) { opacity: 0.5; }
.nvshu-column .char-img:nth-child(n+5) { opacity: 0.3; }

@keyframes matrix-rain {
    0% {
        transform: translateY(-200px);
        opacity: 0;
    }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% {
        transform: translateY(calc(100vh + 200px));
        opacity: 0;
    }
}

@keyframes char-fade {
    0% { opacity: 0.1; }
    100% { opacity: 1; }
}

/* Speed variation like landing page */
.nvshu-column:nth-child(2n) { animation-duration: 12s; }
.nvshu-column:nth-child(3n) { animation-duration: 8s; }
.nvshu-column:nth-child(4n) { animation-duration: 15s; }
.nvshu-column:nth-child(5n) { animation-duration: 10s; }