/* Z-index — dedicated visual system */
:root{--gv-accent:#44f479;--gv-accent2:#5792e5;}
.gv{background:radial-gradient(ellipse at 70% 30%,#5792e520,transparent 34%),linear-gradient(160deg,#0e1520,#151d2b);}
.gv-hero{border-radius:14px;}
.gv-stage{grid-template-areas:"core n1" "n2 n3" "core n4";grid-auto-columns:minmax(0,1fr);}
.gv-n1{grid-area:n1}.gv-n2{grid-area:n2}.gv-n3{grid-area:n3}.gv-n4{grid-area:n4}.gv-core{grid-area:core}
.gv-node{border-radius:14px 2px 14px 2px;}
.gv-core{border-radius:6px;clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);min-height:130px;}
.gv-node:nth-child(odd){background:color-mix(in srgb,var(--gv-accent) 11%,rgba(255,255,255,.045));}
.gv-node:nth-child(even){background:color-mix(in srgb,var(--gv-accent2) 10%,rgba(255,255,255,.045));}
.gv-signal{left:20%;right:12%;top:43%;height:1px;background:linear-gradient(90deg,transparent,var(--gv-accent),var(--gv-accent2),transparent);transform:rotate(-12deg);animation:gvSignal_z_index 5.9s ease-in-out infinite alternate;}
.gv-stage:after{content:"";position:absolute;width:30px;height:29px;right:23%;bottom:15%;border:1px solid color-mix(in srgb,var(--gv-accent) 65%,transparent);border-radius:50%;animation:gvShape_z_index 7.2s linear infinite;opacity:.55;}
.gv-secondary-stage{grid-template-areas:"a measure" "b measure";grid-template-columns:repeat(2,minmax(0,1fr));background:radial-gradient(ellipse at 70% 30%,#5792e520,transparent 34%),linear-gradient(160deg,#0e1520,#151d2b);}
.gv-example-a{grid-area:a;border-radius:14px;}.gv-example-b{grid-area:b;border-radius:7px;}.gv-measure{grid-area:measure;}
.gv-measure i:nth-child(1){animation:gvBar_z_index 3.8s ease-in-out infinite alternate;}
.gv-measure i:nth-child(2){animation:gvBar_z_index 4.8s ease-in-out -.3s infinite alternate;}
.gv-measure i:nth-child(3){animation:gvBar_z_index 4.2s ease-in-out -.6s infinite alternate;}
.gv-measure i:nth-child(4){animation:gvBar_z_index 4.6s ease-in-out -.9s infinite alternate;}
.gv-measure i:nth-child(5){animation:gvBar_z_index 5.6s ease-in-out -1.2s infinite alternate;}
.gv-motion{inset:22% 11%;border:1px solid color-mix(in srgb,var(--gv-accent2) 42%,transparent);border-radius:14px;animation:gvMotion_z_index 8.2s ease-in-out infinite alternate;}
@keyframes gvSignal_z_index{from{opacity:.12;transform:translateX(-6%) rotate(-12deg)}to{opacity:.9;transform:translateX(6%) rotate(-12deg)}}
@keyframes gvShape_z_index{to{transform:rotate(360deg)}}
@keyframes gvBar_z_index{from{transform:scaleY(.58);opacity:.45}to{transform:scaleY(1.05);opacity:.95}}
@keyframes gvMotion_z_index{from{transform:scale(.94);opacity:.2}to{transform:scale(1.03);opacity:.7}}
@media(max-width:760px){.gv-stage{grid-template-areas:"core core" "n1 n2" "n3 n4"!important;grid-template-columns:repeat(2,minmax(0,1fr))!important}.gv-core{aspect-ratio:auto!important;min-width:0!important;clip-path:none!important;border-radius:16px!important}.gv-secondary-stage{grid-template-areas:"measure measure" "a b"!important;grid-template-columns:repeat(2,minmax(0,1fr))!important}}