/* Ultra-Subtle Periodic Table Background - No Visual Disruption */

/* Apply to specific sections only */
.about-brief::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(90deg, transparent 0%, transparent 48%, rgba(17, 17, 17, 0.015) 49%, rgba(17, 17, 17, 0.015) 51%, transparent 52%, transparent 100%),
        linear-gradient(0deg, transparent 0%, transparent 48%, rgba(17, 17, 17, 0.015) 49%, rgba(17, 17, 17, 0.015) 51%, transparent 52%, transparent 100%);
    background-size: 80px 60px;
    opacity: 0.15;
    pointer-events: none;
    z-index: 0;
}

/* Ensure section is positioned */
.about-brief {
    position: relative;
}

/* Keep content above background */
.about-brief>.container {
    position: relative;
    z-index: 1;
}

/* Optional: Very faint element symbols in corner */
.products-section::after {
    content: 'Mg·Al·Si·P·S·Fe·Cu·Zn·Ag·Au·Pb·U';
    position: absolute;
    bottom: 20px;
    right: 30px;
    font-family: 'Courier New', monospace;
    font-size: 10px;
    font-weight: 600;
    color: rgba(17, 17, 17, 0.05);
    letter-spacing: 3px;
    pointer-events: none;
    z-index: 0;
}

.products-section {
    position: relative;
}

.products-section>.container {
    position: relative;
    z-index: 1;
}