/* STARS */
#star-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
    opacity: 0.8;
}

.star {
    position: absolute;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.92) 0%, rgba(255, 255, 255, 0.42) 48%, rgba(255, 255, 255, 0) 100%);
    border-radius: 50%;
    opacity: 0;
    animation: twinkle var(--duration) ease-in-out infinite;
    animation-delay: var(--delay);
    filter: blur(0.2px);
    will-change: transform, opacity;
}

@keyframes twinkle {
    0% {
        opacity: 0;
        transform: scale(0.6);
    }

    45% {
        opacity: var(--opacity);
        transform: scale(1);
    }

    72% {
        opacity: calc(var(--opacity) * 0.65);
        transform: scale(0.82);
    }

    100% {
        opacity: 0;
        transform: scale(0.6);
    }
}