/**
 * Noise/Grain Effect
 */

body.azulpavo-noise-active::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 999998;
    background-image: url('../img/noise.png');
    background-repeat: repeat;
    background-size: 512px 512px;
    opacity: var(--azulpavo-noise-opacity, 0.03);
    mix-blend-mode: var(--azulpavo-noise-blend, overlay);
    animation: grain 8s steps(10) infinite;
}

@keyframes grain {
    0%, 100% { transform: translate(0, 0); }
    10% { transform: translate(-5%, -10%); }
    20% { transform: translate(-15%, 5%); }
    30% { transform: translate(7%, -25%); }
    40% { transform: translate(-5%, 25%); }
    50% { transform: translate(-15%, 10%); }
    60% { transform: translate(15%, 0%); }
    70% { transform: translate(0%, 15%); }
    80% { transform: translate(3%, 35%); }
    90% { transform: translate(-10%, 10%); }
}

/* Fallback si la imagen no carga */
body.azulpavo-noise-active::before {
    background-image: 
        url('../img/noise.png'),
        repeating-linear-gradient(
            0deg,
            rgba(255, 255, 255, 0.05) 0px,
            transparent 1px,
            transparent 2px,
            rgba(255, 255, 255, 0.05) 3px
        );
}