/* Asset-driven scroll-world background */
.echo-world-backdrop{position:fixed;inset:0;z-index:8;overflow:hidden;pointer-events:none;opacity:.32;background:radial-gradient(ellipse at 68% 48%,rgba(19,234,242,.08),transparent 38%),linear-gradient(180deg,rgba(5,9,18,.2),rgba(5,9,18,.9))}.echo-world-backdrop img{position:absolute;display:block;object-fit:contain;mix-blend-mode:screen;filter:drop-shadow(0 0 24px rgba(19,234,242,.25));will-change:transform}.echo-world-backdrop__radar{width:min(72vw,820px);height:min(72vw,820px);right:-7vw;top:8vh;opacity:.62;animation:echoRadarDrift 28s linear infinite}.echo-world-backdrop__mesh{width:min(58vw,680px);height:min(58vw,680px);left:38vw;top:23vh;opacity:.32;transform:translateY(calc(var(--echo-scroll-y,0px)*-.035));animation:echoMeshFloat 14s ease-in-out infinite}.echo-world-backdrop__signal{width:min(42vw,520px);height:min(42vw,520px);left:-8vw;top:42vh;opacity:.25;transform:translateY(calc(var(--echo-scroll-y,0px)*.06));animation:echoSignalFloat 18s ease-in-out infinite}.echo-world-backdrop__verify{width:min(32vw,400px);height:min(32vw,400px);right:18vw;top:72vh;opacity:.2;transform:translateY(calc(var(--echo-scroll-y,0px)*-.08));animation:echoVerifyPulse 9s ease-in-out infinite}@keyframes echoRadarDrift{to{transform:rotate(360deg)}}@keyframes echoMeshFloat{50%{transform:translateY(14px) rotate(2deg)}}@keyframes echoSignalFloat{50%{transform:translateY(-20px) rotate(-4deg)}}@keyframes echoVerifyPulse{50%{opacity:.42;transform:scale(1.06)}}
#echonet-cosmos{z-index:11!important}.capability-map,.manual,.hero,.section,.top{z-index:30!important}.echo-world-backdrop+*{position:relative}@media(max-width:800px){.echo-world-backdrop{opacity:.2}.echo-world-backdrop__radar{width:110vw;height:110vw;right:-35vw;top:18vh}.echo-world-backdrop__mesh{width:90vw;height:90vw;left:20vw;top:38vh}.echo-world-backdrop__signal{width:70vw;height:70vw;left:-32vw}.echo-world-backdrop__verify{width:55vw;height:55vw;right:-8vw}}@media(prefers-reduced-motion:reduce){.echo-world-backdrop img{animation:none!important;transform:none!important}}


.echo-asset-deck{position:fixed;right:24px;bottom:26px;width:170px;height:170px;z-index:25;pointer-events:none;opacity:.34;filter:drop-shadow(0 0 16px rgba(19,234,242,.25));mix-blend-mode:screen}.echo-asset-deck__item{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}.echo-asset-deck__item--1{animation:echoDeckPulse 7s ease-in-out infinite}.echo-asset-deck__item--2{transform:scale(.72) rotate(7deg);opacity:.62;animation:echoDeckSpin 18s linear infinite}@keyframes echoDeckPulse{0%,100%{opacity:.25;transform:scale(.94)}50%{opacity:.7;transform:scale(1.04)}}@keyframes echoDeckSpin{to{transform:scale(.72) rotate(367deg)}}
@media(max-width:800px){.echo-asset-deck{right:14px;bottom:16px;width:110px;height:110px;opacity:.22}}@media(prefers-reduced-motion:reduce){.echo-asset-deck__item{animation:none!important}}

:root{--e-void:#050912;--e-panel:#091722;--e-panel-raised:#0d1d2a;--e-cyan:#13eaf2;--e-ice:#39f7ff;--e-violet:#a86cff;--e-magenta:#ff2d91;--e-amber:#ffc400;--e-green:#58f58a;--e-red:#ff4858;--e-text:#e8eff4;--e-muted:#81909a;--e-line:rgba(19,234,242,.25)}
html{background:var(--e-void)!important;color-scheme:dark;scroll-behavior:smooth}body{background:radial-gradient(circle at 80% 0,rgba(168,108,255,.12),transparent 34%),linear-gradient(130deg,#050912,#07111b 60%,#0a0b18)!important;color:var(--e-text)!important;font-family:Arial,system-ui,sans-serif!important;line-height:1.65!important}
body:before{content:"";position:fixed;inset:12px;z-index:9999;pointer-events:none;border:1px solid rgba(19,234,242,.28);box-shadow:inset 0 0 0 1px rgba(168,108,255,.08)}body:after{content:"ECHONET // ECHO OS // PUBLIC REFERENCE ARCHITECTURE";position:fixed;z-index:10000;top:20px;right:26px;pointer-events:none;color:rgba(57,247,255,.72);font:9px/1 ui-monospace,monospace;letter-spacing:.16em}
a{color:var(--e-ice)!important}a:hover,a:focus-visible{color:var(--e-magenta)!important;text-shadow:0 0 14px rgba(255,45,145,.35)}
.top{background:rgba(5,9,18,.9)!important;border-color:var(--e-line)!important;box-shadow:0 0 22px rgba(19,234,242,.08)}.brand{font-family:Arial,sans-serif!important;letter-spacing:-.04em}.brand i{color:var(--e-magenta)!important}.top nav a{color:var(--e-muted)!important}.top nav a:hover{color:var(--e-cyan)!important}
.hero{background:radial-gradient(circle at 78% 25%,rgba(19,234,242,.13),transparent 30%),linear-gradient(180deg,rgba(5,9,18,.12),rgba(5,9,18,.9))!important}.hero,.section,.hero__inner{position:relative}.hero:after{content:"SYS ONLINE  //  SIGNAL LOCKED  //  LOCAL-FIRST";position:absolute;left:clamp(22px,8vw,110px);bottom:28px;color:rgba(88,245,138,.7);font:9px ui-monospace,monospace;letter-spacing:.16em}
h1,h2,h3{font-family:Arial,sans-serif!important;color:var(--e-text)!important}h1{ text-shadow:0 0 30px rgba(19,234,242,.2)}h2{color:var(--e-ice)!important}h3{color:var(--e-violet)!important}.phase,.kicker,.section>span{color:var(--e-cyan)!important;font-family:ui-monospace,monospace!important;letter-spacing:.18em}
p,li{color:var(--e-muted)!important}strong,b{color:var(--e-text)}
.section,.card,.panel,.node,.callout,.diagram,.table-wrap,pre,blockquote,details{border-color:var(--e-line)!important;background:linear-gradient(145deg,rgba(9,23,34,.92),rgba(7,17,27,.78))!important;box-shadow:0 12px 38px rgba(0,0,0,.18)}.section{border-top:1px solid rgba(19,234,242,.18)}.node,.card,.panel{position:relative}.node:before,.card:before,.panel:before{content:"";position:absolute;left:0;top:0;width:58px;height:2px;background:var(--e-cyan);box-shadow:0 0 12px var(--e-cyan)}
pre,code{font-family:"Cascadia Code","Courier New",monospace!important;color:var(--e-green)!important;background:#03070d!important;border:1px solid rgba(88,245,138,.28)!important}pre{padding:18px!important;overflow:auto}blockquote{border-left-color:var(--e-magenta)!important;color:var(--e-text)!important}.diagram{background:linear-gradient(90deg,rgba(19,234,242,.04) 1px,transparent 1px),linear-gradient(rgba(19,234,242,.04) 1px,transparent 1px),var(--e-panel)!important;background-size:24px 24px!important}
table{border-color:var(--e-line)!important;background:rgba(9,23,34,.7)!important}th{color:var(--e-cyan)!important;background:rgba(19,234,242,.08)!important}td{border-color:rgba(19,234,242,.14)!important;color:var(--e-muted)!important}button,.button,[role=button]{border:1px solid var(--e-cyan)!important;background:rgba(19,234,242,.08)!important;color:var(--e-ice)!important}button:hover,.button:hover,[role=button]:hover{background:rgba(255,45,145,.14)!important;border-color:var(--e-magenta)!important}
.capability-map{background:linear-gradient(180deg,transparent,var(--e-void) 10%,var(--e-void))!important}.capability-card{background:linear-gradient(145deg,rgba(9,23,34,.94),rgba(7,17,27,.82))!important;border-color:var(--e-line)!important}.capability-card b{color:var(--e-cyan)!important}.capability-card:nth-child(2),.capability-card:nth-child(5){border-color:rgba(168,108,255,.45)!important}.capability-card:nth-child(3),.capability-card:nth-child(6){border-color:rgba(255,45,145,.4)!important}
img[src*="library/"]{max-width:100%;height:auto;filter:drop-shadow(0 0 14px rgba(19,234,242,.15))}
:focus-visible{outline:2px solid var(--e-magenta)!important;outline-offset:4px}::selection{background:var(--e-magenta)!important;color:var(--e-void)!important}
@media(max-width:800px){body:before{inset:7px}body:after{top:14px;right:15px;font-size:7px}.top{align-items:flex-start!important}.top nav{overflow-x:auto;padding-bottom:4px;max-width:62vw}.hero{padding-top:92px!important}.diagram{grid-template-columns:1fr!important}.hero:after{left:22px;font-size:7px}.section{padding-left:18px!important;padding-right:18px!important}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}