.echo-item{color:var(--cyber-accent);font-family:Space Mono,monospace;font-size:clamp(.85rem,2.5vw,1.6rem);padding:.35em .75em;text-decoration:none;text-transform:lowercase;transition:opacity .12s ease,text-shadow .3s ease,letter-spacing .4s ease;white-space:nowrap;z-index:20}.echo-item,.edge{position:absolute}.edge{background:var(--cyber-accent);opacity:0;pointer-events:none}.edge-top{height:2px;left:0;right:0;top:0}.edge-right{bottom:0;right:0;top:0;width:2px}.edge-bottom{bottom:0;height:2px;left:0;right:0}.edge-left{bottom:0;left:0;top:0;width:2px}.echo-top{left:50%;top:16%;transform:translate(-50%)}.echo-right{right:8%;top:50%;transform:translateY(-50%)}.echo-bottom{bottom:16%;left:50%;transform:translate(-50%)}.echo-left{left:8%;top:50%;transform:translateY(-50%)}@media (max-width:768px){.echo-item{font-size:.8rem}.echo-top{left:50%;top:12%;transform:translate(-50%)}.echo-right{bottom:22%;right:6%;top:auto;transform:none}.echo-bottom{bottom:12%;left:50%;transform:translate(-50%)}.echo-left{bottom:22%;left:6%;top:auto;transform:none}}.pulse-ring{background:radial-gradient(circle,transparent 30%,rgba(var(--cyber-accent-rgb),.25) 50%,rgba(var(--cyber-accent-rgb),.12) 65%,transparent 85%);border-radius:50%;height:300px;left:50%;margin-left:-150px;margin-top:-150px;opacity:0;pointer-events:none;position:absolute;top:50%;width:300px;will-change:transform,opacity;z-index:5}