/* Motifs de fond */
.pattern-grid-lg {
    background-image: linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 32px 32px;
    animation: patternMove 20s linear infinite;
}

@keyframes patternMove {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 32px 32px;
    }
}

/* Effet de brillance */
.shine {
    position: relative;
    overflow: hidden;
}

.shine::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 45%,
        rgba(255, 255, 255, 0.1) 48%,
        rgba(255, 255, 255, 0.2) 50%,
        rgba(255, 255, 255, 0.1) 52%,
        transparent 55%
    );
    animation: shine 5s infinite;
    transform: rotate(45deg);
}

@keyframes shine {
    0% {
        top: -50%;
        left: -50%;
    }
    100% {
        top: 150%;
        left: 150%;
    }
}