:root{
  --bg:#070a12;
  --rail:#060910;
  --panel:#0c1220;
  --panel-2:#121b2c;
  --ink:#f3f7fb;
  --muted:#8492a6;
  --cyan:#63f5dd;
  --violet:#8578ff;
  --amber:#f4b85a;
  --line:#273247;
  --line-soft:rgba(132,146,166,.18);
  --sans:"Space Grotesk","Segoe UI",Arial,sans-serif;
  --mono:"IBM Plex Mono","SFMono-Regular",Consolas,monospace;
  --rail-width:104px;
}

body.aurora-systems{min-width:320px;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.55}
body.drawer-open{overflow:hidden}
::selection{background:var(--cyan);color:var(--bg)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

.control-rail{position:fixed;inset:0 auto 0 0;z-index:100;width:var(--rail-width);display:flex;flex-direction:column;background:var(--rail);border-right:1px solid var(--line)}
.rail-brand{display:grid;place-items:center;height:96px;border-bottom:1px solid var(--line);text-decoration:none}
.rail-mark{display:grid;place-items:center;width:44px;height:44px;border:1px solid var(--cyan);color:var(--cyan);font:600 14px/1 var(--mono);box-shadow:inset 0 0 0 6px rgba(99,245,221,.04)}
.rail-nav{display:grid}
.rail-link{display:grid;place-items:center;gap:6px;min-height:69px;padding:9px 6px;border-bottom:1px solid var(--line-soft);color:var(--muted);text-decoration:none;text-align:center}
.rail-link:hover,.rail-link[aria-current="page"]{background:var(--panel);color:var(--ink);box-shadow:inset 3px 0 0 var(--cyan)}
.rail-code{font:500 9px/1 var(--mono);letter-spacing:.08em;color:var(--cyan)}
.rail-label{font:600 9px/1.15 var(--sans);letter-spacing:.04em}
.rail-foot{margin-top:auto;padding:17px 8px;border-top:1px solid var(--line);color:var(--muted);font:500 8px/1.5 var(--mono);letter-spacing:.1em;text-align:center}
.mobile-bar{display:none}

.page-shell{margin-left:var(--rail-width);min-height:100vh}
.system-bar{position:sticky;top:0;z-index:70;display:flex;justify-content:space-between;align-items:center;gap:20px;height:38px;padding:0 26px;background:rgba(7,10,18,.96);border-bottom:1px solid var(--line);color:var(--muted);font:500 9px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;backdrop-filter:blur(10px)}
.system-state{display:flex;align-items:center;gap:8px;color:var(--cyan)}
.system-state i{width:6px;height:6px;background:var(--cyan);box-shadow:0 0 12px rgba(99,245,221,.75)}

.page-header{padding:76px clamp(26px,5vw,76px) 54px;border-bottom:1px solid var(--line);background:linear-gradient(135deg,rgba(99,245,221,.025),transparent 35%,rgba(133,120,255,.045))}
.page-kicker,.panel-label,.field label{margin:0;color:var(--muted);font:500 9px/1.3 var(--mono);letter-spacing:.14em;text-transform:uppercase}
.page-header h1{max-width:1040px;margin:22px 0 0;font-size:clamp(52px,7.2vw,108px);line-height:.9;letter-spacing:-.065em;font-weight:590}
.page-header h1 em{color:var(--cyan);font-style:normal}
.page-intro{display:grid;grid-template-columns:1fr minmax(320px,520px);gap:48px;align-items:end;margin-top:40px;padding-top:18px;border-top:1px solid var(--line)}
.page-intro p{margin:0;color:var(--muted);font-size:16px;line-height:1.7}
.command-link,.command-button{display:inline-flex;align-items:center;gap:10px;width:max-content;border:0;border-bottom:1px solid var(--cyan);background:transparent;padding:0 0 6px;color:var(--cyan);font:600 10px/1 var(--mono);letter-spacing:.1em;text-decoration:none;text-transform:uppercase}
.command-link:hover,.command-button:hover{color:var(--ink);border-color:var(--ink)}

.workbench{display:grid;grid-template-columns:minmax(0,1.42fr) minmax(330px,.58fr);min-height:calc(100vh - 38px);border-bottom:1px solid var(--line)}
.workbench-main{display:flex;flex-direction:column;min-width:0;border-right:1px solid var(--line)}
.workbench-head,.panel-head{display:flex;justify-content:space-between;gap:20px;align-items:center;min-height:48px;padding:0 18px;border-bottom:1px solid var(--line);font:500 9px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase}
.workbench-head span:last-child,.panel-head span:last-child{color:var(--muted)}
.orchestration-canvas{position:relative;flex:1;min-height:610px;padding:30px;background-color:#080d18;background-image:linear-gradient(rgba(132,146,166,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(132,146,166,.05) 1px,transparent 1px);background-size:32px 32px;overflow:hidden}
.orchestration-canvas svg{width:100%;height:100%}
.diagram-line{fill:none;stroke:var(--line);stroke-width:1.3}
.diagram-line.live{stroke:var(--cyan);stroke-dasharray:6 6}
.diagram-node rect{fill:var(--panel);stroke:var(--line);stroke-width:1}
.diagram-node.primary rect{stroke:var(--cyan)}
.diagram-node.policy rect{stroke:var(--violet)}
.diagram-node text{fill:var(--ink);font:500 11px var(--mono);letter-spacing:.04em}
.diagram-node .node-sub{fill:var(--muted);font-size:8px}
.diagram-dot{fill:var(--cyan)}
.canvas-legend{position:absolute;right:18px;bottom:18px;display:flex;gap:18px;padding:10px 12px;background:rgba(7,10,18,.9);border:1px solid var(--line);color:var(--muted);font:500 8px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase}
.canvas-legend span{display:flex;gap:6px;align-items:center}
.canvas-legend i{width:7px;height:7px;border:1px solid var(--cyan)}
.canvas-legend span:last-child i{border-color:var(--violet)}

.workbench-side{display:grid;grid-template-rows:auto auto 1fr;background:var(--panel)}
.sample-badge{display:inline-flex;align-items:center;gap:7px;color:var(--amber)!important}
.sample-badge:before{content:"";width:6px;height:6px;background:var(--amber)}
.run-summary{padding:22px 18px;border-bottom:1px solid var(--line)}
.run-summary h2{margin:14px 0 6px;font:500 26px/1.1 var(--sans);letter-spacing:-.035em}
.run-summary p{margin:0;color:var(--muted);font-size:12px}
.signal-list{margin:0}
.signal-row{display:grid;grid-template-columns:110px 1fr;gap:18px;padding:14px 18px;border-bottom:1px solid var(--line-soft)}
.signal-row dt{color:var(--muted);font:500 9px/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase}
.signal-row dd{margin:0;font:500 11px/1.4 var(--mono)}
.signal-row dd.ok{color:var(--cyan)}
.signal-row dd.policy{color:#b7aeff}
.event-log{align-self:end;padding:18px;background:#080d18;border-top:1px solid var(--line);color:var(--muted);font:500 10px/1.85 var(--mono)}
.event-log b{color:var(--cyan);font-weight:500}

.section{padding:88px clamp(26px,5vw,76px);border-bottom:1px solid var(--line)}
.section-heading{max-width:900px;margin:18px 0 0;font-size:clamp(40px,5vw,74px);line-height:.96;letter-spacing:-.055em;font-weight:560}
.section-deck{max-width:650px;margin:25px 0 0;color:var(--muted);font-size:16px;line-height:1.72}
.capability-ledger{margin-top:48px;border-top:1px solid var(--line)}
.capability-link{display:grid;grid-template-columns:70px minmax(220px,.7fr) 1fr auto;gap:28px;align-items:center;padding:30px 0;border-bottom:1px solid var(--line);text-decoration:none}
.capability-link:hover{background:linear-gradient(90deg,rgba(99,245,221,.04),transparent);color:var(--cyan)}
.capability-link .index{color:var(--cyan);font:500 10px/1 var(--mono)}
.capability-link h3{margin:0;font-size:28px;letter-spacing:-.035em;font-weight:520}
.capability-link p{margin:0;color:var(--muted);line-height:1.6}
.capability-link .arrow{font:500 15px/1 var(--mono)}
.three-column{display:grid;grid-template-columns:repeat(3,1fr);margin-top:46px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.system-step{padding:28px 28px 36px 0}
.system-step+.system-step{padding-left:28px;border-left:1px solid var(--line)}
.system-step span{color:var(--cyan);font:500 9px/1 var(--mono);letter-spacing:.1em}
.system-step h3{margin:44px 0 12px;font-size:27px;font-weight:520}
.system-step p{margin:0;color:var(--muted);line-height:1.65}

.trace-viewer{display:grid;grid-template-columns:280px 1fr;margin-top:42px;border:1px solid var(--line);background:var(--panel)}
.trace-list{border-right:1px solid var(--line)}
.trace-item{display:grid;grid-template-columns:32px 1fr;gap:10px;padding:15px 16px;border-bottom:1px solid var(--line-soft)}
.trace-item.active{box-shadow:inset 3px 0 0 var(--cyan);background:var(--panel-2)}
.trace-item span{color:var(--muted);font:500 9px/1.4 var(--mono)}
.trace-item b{font:500 11px/1.35 var(--mono)}
.trace-detail{min-width:0}
.trace-timeline{padding:24px}
.trace-event{display:grid;grid-template-columns:110px 18px 1fr;gap:16px;min-height:74px}
.trace-event time{color:var(--muted);font:500 9px/1.5 var(--mono)}
.trace-event .axis{position:relative}
.trace-event .axis:before{content:"";position:absolute;left:8px;top:0;bottom:0;width:1px;background:var(--line)}
.trace-event .axis:after{content:"";position:absolute;left:5px;top:2px;width:7px;height:7px;background:var(--cyan)}
.trace-event:last-child .axis:before{bottom:60px}
.trace-event h3{margin:0 0 6px;font:500 12px/1.4 var(--mono)}
.trace-event p{margin:0;color:var(--muted);font-size:12px}
.code-block{position:relative;margin-top:30px;border:1px solid var(--line);background:#050810}
.code-head{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-bottom:1px solid var(--line);color:var(--muted);font:500 9px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase}
.code-block pre{margin:0;padding:22px;overflow:auto;color:#cbd7e5;font:500 12px/1.8 var(--mono)}
.code-block .token-key{color:var(--cyan)}
.code-block .token-string{color:#b7aeff}
.copy-button{border:1px solid var(--line);background:var(--panel);padding:7px 9px;color:var(--muted);font:500 8px/1 var(--mono);text-transform:uppercase}
.copy-button:hover{border-color:var(--cyan);color:var(--cyan)}

.policy-grid{display:grid;grid-template-columns:1fr 1fr;margin-top:42px;border:1px solid var(--line)}
.policy-builder{border-right:1px solid var(--line)}
.rule-row{display:grid;grid-template-columns:96px 1fr auto;gap:16px;align-items:center;padding:16px 18px;border-bottom:1px solid var(--line-soft);font:500 10px/1.4 var(--mono)}
.rule-row span:first-child{color:var(--muted)}
.rule-value{color:var(--cyan)}
.rule-op{color:var(--violet)}
.decision-output{padding:24px}
.decision-output h3{margin:18px 0 6px;font-size:30px;font-weight:520}
.decision-output>p{color:var(--muted)}
.decision-path{margin-top:30px;border-top:1px solid var(--line)}
.decision-path div{display:flex;justify-content:space-between;gap:20px;padding:13px 0;border-bottom:1px solid var(--line-soft);font:500 10px/1.4 var(--mono)}
.decision-path span{color:var(--muted)}

.boundary-map{display:grid;grid-template-columns:1fr 1fr;margin-top:42px;border:1px solid var(--line);background:#080d18}
.boundary-diagram{min-height:430px;padding:24px;border-right:1px solid var(--line)}
.boundary-diagram svg{width:100%;height:100%}
.boundary-zone{fill:var(--panel);stroke:var(--line)}
.boundary-zone.secure{stroke:var(--cyan)}
.boundary-zone.policy{stroke:var(--violet)}
.boundary-text{fill:var(--ink);font:500 10px var(--mono)}
.boundary-sub{fill:var(--muted);font-size:8px}
.boundary-copy{padding:28px}
.control-list{margin-top:25px;border-top:1px solid var(--line)}
.control-row{display:grid;grid-template-columns:42px 1fr;gap:14px;padding:16px 0;border-bottom:1px solid var(--line-soft)}
.control-row span{color:var(--cyan);font:500 9px/1.5 var(--mono)}
.control-row h3{margin:0 0 5px;font-size:16px;font-weight:520}
.control-row p{margin:0;color:var(--muted);font-size:12px}

.principles{margin-top:42px;border-top:1px solid var(--line)}
.principle{display:grid;grid-template-columns:70px minmax(220px,.7fr) 1fr;gap:28px;padding:30px 0;border-bottom:1px solid var(--line)}
.principle>span{color:var(--cyan);font:500 10px/1 var(--mono)}
.principle h2{margin:0;font-size:30px;font-weight:520}
.principle p{margin:0;color:var(--muted);line-height:1.65}

.contact-layout{display:grid;grid-template-columns:minmax(0,.72fr) minmax(460px,1.28fr);min-height:calc(100vh - 38px)}
.contact-copy{display:flex;flex-direction:column;justify-content:space-between;padding:76px clamp(26px,5vw,76px);border-right:1px solid var(--line)}
.contact-copy h1{max-width:7ch;margin:20px 0;font-size:clamp(58px,7vw,104px);line-height:.88;letter-spacing:-.065em;font-weight:580}
.contact-copy p{max-width:38ch;color:var(--muted)}
.demo-note{padding:14px;border:1px solid var(--amber);color:var(--amber);font:500 10px/1.55 var(--mono)}
.contact-form{align-self:center;margin:54px clamp(26px,5vw,76px);border-top:1px solid var(--line)}
.form-grid{display:grid;grid-template-columns:1fr 1fr}
.field{display:grid;gap:8px;padding:17px 0;border-bottom:1px solid var(--line)}
.field:nth-child(odd):not(.full){padding-right:18px}
.field:nth-child(even):not(.full){padding-left:18px;border-left:1px solid var(--line)}
.field.full{grid-column:1/-1}
.field input,.field select,.field textarea{width:100%;padding:8px 0;border:0;border-radius:0;background:transparent;color:var(--ink)}
.field select option{background:var(--panel)}
.field textarea{min-height:125px;resize:vertical}
.form-actions{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;padding-top:22px}
.form-status{max-width:34ch;color:var(--cyan);font:500 10px/1.6 var(--mono)}

.privacy-ledger{max-width:980px;margin-top:42px;border-top:1px solid var(--line)}
.privacy-row{display:grid;grid-template-columns:210px 1fr;gap:32px;padding:24px 0;border-bottom:1px solid var(--line)}
.privacy-row h2{margin:0;font-size:20px;font-weight:520}
.privacy-row p{margin:0;color:var(--muted)}

.site-footer{display:grid;grid-template-columns:1fr auto;gap:26px;padding:32px clamp(26px,5vw,76px) 42px;border-top:1px solid var(--line);color:var(--muted);font:500 9px/1.6 var(--mono);letter-spacing:.06em;text-transform:uppercase}
.footer-links{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:14px 22px}
.footer-links a{text-decoration:none}
.footer-links a:hover{color:var(--cyan)}
.footer-note{grid-column:1/-1;padding-top:16px;border-top:1px solid var(--line-soft)}

@media(max-width:1040px){
  :root{--rail-width:92px}
  .workbench{grid-template-columns:1fr}
  .workbench-main{border-right:0;border-bottom:1px solid var(--line)}
  .workbench-side{grid-template-columns:1fr 1fr;grid-template-rows:auto auto}
  .workbench-side .panel-head{grid-column:1/-1}
  .run-summary{border-right:1px solid var(--line)}
  .event-log{grid-column:1/-1}
  .contact-layout{grid-template-columns:1fr}
  .contact-copy{min-height:70svh;border-right:0;border-bottom:1px solid var(--line)}
}

@media(max-width:760px){
  :root{--rail-width:0px}
  .control-rail{top:58px;width:100%;transform:translateX(-100%);transition:transform .22s ease}
  .control-rail.open{transform:none}
  .rail-brand,.rail-foot{display:none}
  .rail-nav{overflow:auto}
  .rail-link{grid-template-columns:42px 1fr;place-items:center start;min-height:58px;padding:10px 22px;text-align:left}
  .rail-link:hover,.rail-link[aria-current="page"]{box-shadow:inset 3px 0 0 var(--cyan)}
  .mobile-bar{position:fixed;inset:0 0 auto 0;z-index:120;display:flex;justify-content:space-between;align-items:center;height:58px;padding:0 18px;background:rgba(6,9,16,.98);border-bottom:1px solid var(--line)}
  .mobile-brand{font:600 11px/1 var(--mono);letter-spacing:.09em;text-decoration:none}
  .drawer-button{border:1px solid var(--line);background:transparent;padding:8px 10px;font:500 9px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase}
  .page-shell{margin-left:0;padding-top:58px}
  .system-bar{top:58px;height:34px;padding:0 18px}
  .system-bar>span:last-child{display:none}
  .page-header{padding:66px 20px 44px}
  .page-header h1{font-size:clamp(48px,15vw,78px)}
  .page-intro{grid-template-columns:1fr;gap:26px}
  .workbench{min-height:0}
  .orchestration-canvas{min-height:480px;padding:12px}
  .workbench-side{grid-template-columns:1fr}
  .workbench-side .panel-head,.event-log{grid-column:auto}
  .run-summary{border-right:0}
  .section{padding:68px 20px}
  .section-heading{font-size:clamp(38px,11vw,56px)}
  .capability-link{grid-template-columns:38px 1fr auto;gap:14px}
  .capability-link p{grid-column:2/-1}
  .capability-link h3{font-size:23px}
  .three-column{grid-template-columns:1fr}
  .system-step,.system-step+.system-step{padding:24px 0;border-left:0;border-bottom:1px solid var(--line)}
  .system-step h3{margin-top:24px}
  .trace-viewer{grid-template-columns:1fr}
  .trace-list{border-right:0;border-bottom:1px solid var(--line)}
  .trace-timeline{padding:18px 14px}
  .trace-event{grid-template-columns:82px 16px 1fr;gap:10px}
  .policy-grid,.boundary-map{grid-template-columns:1fr}
  .policy-builder,.boundary-diagram{border-right:0;border-bottom:1px solid var(--line)}
  .principle{grid-template-columns:38px 1fr;gap:15px}
  .principle p{grid-column:2}
  .contact-copy{padding:66px 20px}
  .contact-copy h1{font-size:clamp(52px,16vw,80px)}
  .contact-form{margin:52px 20px 76px}
  .form-grid{grid-template-columns:1fr}
  .field.full{grid-column:auto}
  .field:nth-child(odd):not(.full),.field:nth-child(even):not(.full){padding-right:0;padding-left:0;border-left:0}
  .form-actions{display:grid}
  .privacy-row{grid-template-columns:1fr;gap:10px}
  .site-footer{grid-template-columns:1fr;padding:28px 20px 38px}
  .footer-links{justify-content:flex-start}
}

@media(prefers-reduced-motion:reduce){.control-rail{transition:none}}