:root{--bg:#070b10;--panel:#0d141c;--panel2:#111c26;--ink:#eef7fb;--muted:#8497a5;--cyan:#62f2d2;--blue:#41a6ff;--line:#20313e}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--bg);font:15px/1.6 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}img{display:block;max-width:100%}
.demo-note{padding:8px 20px;color:#9ba9b2;background:#020406;text-align:center;font-size:10px;letter-spacing:.06em}.demo-note a{color:var(--cyan);font-weight:800}
.system-bar{position:sticky;z-index:20;top:0;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;min-height:72px;padding:0 28px;border-bottom:1px solid var(--line);background:rgba(7,11,16,.94);backdrop-filter:blur(15px)}.system-logo{display:flex;align-items:center;gap:12px}.system-logo span{display:grid;place-items:center;width:38px;height:38px;border:1px solid var(--cyan);color:var(--cyan);font:900 20px Arial}.system-logo strong{font-size:15px;letter-spacing:.08em}.system-state{display:flex;align-items:center;gap:9px;color:#a3b4bf;font-size:10px;text-transform:uppercase;letter-spacing:.12em}.system-state i,.result-top i{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 16px var(--cyan)}.system-bar>a:last-child{justify-self:end;color:var(--cyan);font-size:11px;font-weight:800}
.console{display:grid;grid-template-columns:80px 1fr}.rail{position:sticky;top:72px;display:flex;flex-direction:column;align-items:center;height:calc(100vh - 72px);padding:24px 0;border-right:1px solid var(--line);background:#06090d}.rail>span{color:#506370;font-size:9px;writing-mode:vertical-rl}.rail nav{display:grid;gap:22px;margin:auto}.rail nav a{display:grid;place-items:center;width:38px;height:38px;border:1px solid var(--line);color:#78909f;font-size:10px}.rail nav a:hover{color:var(--cyan);border-color:var(--cyan)}.rail-back{color:#60727d;font-size:9px;writing-mode:vertical-rl}
.console-main{min-width:0}.overview{display:grid;grid-template-columns:1.1fr .9fr;min-height:760px}.overview-copy{display:flex;flex-direction:column;justify-content:center;padding:90px clamp(35px,6vw,100px);background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:48px 48px}.eyebrow{margin:0 0 28px;color:var(--cyan);font-size:10px;font-weight:900;letter-spacing:.16em;text-transform:uppercase}.overview h1{margin:0;font:900 clamp(58px,7vw,112px)/.86 Arial,Helvetica,sans-serif;letter-spacing:-.075em}.overview h1 span{color:transparent;-webkit-text-stroke:1px #7d909d}.overview-copy>p:not(.eyebrow){max-width:680px;margin:38px 0;color:#a5b4be;font-size:17px}.live-row{display:flex;gap:10px;margin-top:40px}.live-row span{min-width:150px;padding:14px;border:1px solid var(--line);color:#718692;font-size:10px;text-transform:uppercase}.live-row b{display:block;color:var(--ink);font-size:22px}
.monitor{position:relative;margin:0;overflow:hidden;border-left:1px solid var(--line);background:#111}.monitor:before{content:"CAM 01";position:absolute;z-index:2;top:20px;left:20px;padding:6px 9px;color:var(--cyan);background:#071018;border:1px solid var(--cyan);font-size:9px}.monitor img{width:100%;height:100%;object-fit:cover;filter:saturate(.55) contrast(1.08)}.monitor:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(65,166,255,.08),rgba(7,11,16,.5));pointer-events:none}.monitor figcaption{position:absolute;z-index:2;right:24px;bottom:24px;left:24px;padding:18px;border:1px solid #426070;background:rgba(7,14,20,.86)}.monitor figcaption span,.monitor figcaption b{display:block}.monitor figcaption span{color:var(--cyan);font-size:9px;letter-spacing:.15em}.monitor figcaption b{margin-top:7px}
.building-check{padding:110px clamp(28px,6vw,100px);border-top:1px solid var(--line)}.building-check>header{display:grid;grid-template-columns:.3fr 1fr .7fr;gap:45px;align-items:end;margin-bottom:60px}.building-check h2,.flow-head h2,.contact-console h2{margin:0;font:900 clamp(54px,6vw,90px)/.9 Arial,Helvetica,sans-serif;letter-spacing:-.065em}.building-check>header>span{color:var(--muted)}.check-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:20px}.check-options{display:grid;gap:10px}.check-options button{display:grid;grid-template-columns:45px 1fr;gap:10px;padding:22px;color:#91a4b0;background:transparent;border:1px solid var(--line);text-align:left;cursor:pointer}.check-options button:hover,.check-options button[aria-pressed="true"]{color:var(--ink);border-color:var(--cyan);background:#0b1c1b}.check-options button span{grid-row:1/3;color:var(--cyan);font-size:10px}.check-options strong{font-size:19px}.check-options small{color:var(--muted)}
.check-result{min-height:430px;padding:38px;background:var(--panel2);border:1px solid #2b4352}.result-top{display:flex;justify-content:space-between;color:var(--cyan);font-size:9px;letter-spacing:.15em}.check-result>p:not([data-result-copy]){margin:90px 0 10px;color:var(--muted);font-size:10px;text-transform:uppercase}.check-result h3{max-width:850px;margin:0;font:900 clamp(40px,5vw,72px)/.94 Arial;letter-spacing:-.055em}.check-result>[data-result-copy]{max-width:720px;color:#9eb0ba}.check-result dl{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:45px 0 0}.check-result dl div{padding-top:14px;border-top:1px solid #314855}.check-result dt{color:#667d8a;font-size:9px;text-transform:uppercase}.check-result dd{margin:5px 0 0;color:var(--cyan)}
.system-flow{padding:110px clamp(28px,6vw,100px);background:#091018;border-top:1px solid var(--line)}.flow-head{display:grid;grid-template-columns:.3fr 1fr;gap:45px;margin-bottom:70px}.flow-line{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;align-items:center}.flow-line article{min-height:220px;padding:25px;border:1px solid var(--line);background:var(--panel)}.flow-line article span{color:var(--blue);font-size:9px;letter-spacing:.15em}.flow-line article b{display:block;margin:52px 0 12px;font:800 27px Arial}.flow-line article p{margin:0;color:var(--muted)}.flow-line>i{padding:0 10px;color:var(--cyan);font-style:normal}
.contact-console{display:grid;grid-template-columns:1fr 1fr;gap:80px;padding:120px clamp(28px,6vw,100px);align-items:center}.terminal-card{padding:28px;border:1px solid var(--cyan);box-shadow:0 0 60px rgba(98,242,210,.08)}.terminal-card>span{color:var(--cyan);font-size:9px;letter-spacing:.15em}.terminal-card p{margin:45px 0;color:#8fa4af}.terminal-card a{display:block;padding:18px;color:#06100d;background:var(--cyan);font-weight:900;text-align:center}.terminal-card small{display:block;margin-top:18px;color:#677b87;text-align:center}
footer{display:flex;justify-content:space-between;gap:20px;padding:28px 4vw;border-top:1px solid var(--line);color:#607681;background:#030609;font-size:9px;letter-spacing:.1em;text-transform:uppercase}
@media(max-width:900px){.system-bar{grid-template-columns:1fr auto}.system-state{display:none}.console{grid-template-columns:1fr}.rail{display:none}.overview{grid-template-columns:1fr}.overview-copy{min-height:680px}.monitor{min-height:560px;border-top:1px solid var(--line);border-left:0}.building-check>header,.check-grid,.flow-head,.contact-console{grid-template-columns:1fr}.flow-line{grid-template-columns:1fr}.flow-line>i{padding:8px;text-align:center;transform:rotate(90deg)}.contact-console{gap:45px}}
@media(max-width:520px){.demo-note{padding-inline:12px}.system-bar{min-height:62px;padding:0 14px}.system-logo strong{font-size:12px}.system-bar>a:last-child{font-size:9px}.overview-copy{min-height:620px;padding:70px 18px}.overview h1{font-size:58px}.overview-copy>p:not(.eyebrow){font-size:15px}.live-row{display:grid;grid-template-columns:1fr 1fr}.live-row span{min-width:0}.monitor{min-height:450px}.building-check,.system-flow,.contact-console{padding:75px 18px}.building-check>header{gap:20px}.building-check h2,.flow-head h2,.contact-console h2{font-size:49px}.check-result{padding:25px}.check-result>p:not([data-result-copy]){margin-top:60px}.check-result h3{font-size:39px}.check-result dl{grid-template-columns:1fr}.flow-line article{min-height:190px}.contact-console{gap:36px}footer{flex-direction:column;text-align:center}}

/* Navigation und Auswahl bewusst ohne fortlaufende Ziffern. */
.rail nav a{display:block;width:10px;height:10px;border:1px solid #526875;border-radius:50%;background:#182630;font-size:0}.rail nav a:first-child,.rail nav a:hover{border-color:var(--cyan);background:var(--cyan)}
.monitor:before{content:"SYSTEM LIVE"}
.check-options button{grid-template-columns:1fr}