/* Low-contrast data-landscape layers: artwork stays below all section content. */
.map-section,.vulnerability,.pathways-section,.cases-section,.source-section{position:relative;isolation:isolate}.map-section>*,.vulnerability>*,.pathways-section>*,.cases-section>*,.source-section>*{position:relative;z-index:1}.map-section::before,.vulnerability::before,.pathways-section::before,.cases-section::before,.source-section::before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none}

/* Geographic grid and coordinate nodes. */
.map-section::before{background-image:linear-gradient(#2f7c6910 1px,transparent 1px),linear-gradient(90deg,#2f7c6910 1px,transparent 1px),radial-gradient(circle at 86% 22%,#2f7c6924 0 2px,transparent 2.5px);background-size:34px 34px,34px 34px,68px 68px;background-position:center,center,0 0}

/* Concentric risk rings. */
.vulnerability::before{background:repeating-radial-gradient(ellipse at 88% 18%,#d69e2518 0 2px,transparent 3px 56px),radial-gradient(circle at 8% 92%,#487e6010 0 12%,transparent 38%)}

/* Subtle directional data paths on dark green. */
.pathways-section::before{opacity:.8;background-image:linear-gradient(120deg,transparent 0 42%,#dfff6717 42.2% 42.55%,transparent 42.8% 100%),linear-gradient(60deg,transparent 0 65%,#dfff6711 65.2% 65.5%,transparent 65.8% 100%),radial-gradient(circle at 80% 20%,#dfff6720 0 2px,transparent 2.8px);background-size:190px 110px,230px 150px,62px 62px}

/* Light paper lines for documented principal knowledge. */
.cases-section::before{background-image:linear-gradient(90deg,#b68c4d10 1px,transparent 1px),repeating-linear-gradient(0deg,transparent 0 31px,#b68c4d12 32px 33px);background-size:148px 100%,100% 33px;background-position:calc(100% - 6vw) 0,0 0}

/* Linked data nodes for source, progress and gap governance. */
.source-section::before{background-image:radial-gradient(circle,#39776c22 0 2px,transparent 2.8px),linear-gradient(32deg,transparent 48%,#39776c12 48.5% 49%,transparent 49.5%),linear-gradient(-32deg,transparent 48%,#39776c0e 48.5% 49%,transparent 49.5%);background-size:52px 52px,104px 104px,104px 104px;background-position:0 0,0 0,0 0}

@media(max-width:800px){.map-section::before{background-size:28px 28px,28px 28px,56px 56px}.pathways-section::before{opacity:.55}.cases-section::before{background-size:116px 100%,100% 28px}.source-section::before{opacity:.7}}