/* EUTOPIA · SPIEGELGITTER M 1:50 — 3D-Seite · medienwerkstatt006
   Formensprache: Aluminiumspiegelfolie auf Schwarz, 1 × 1 cm Stab als Maß (Linien 1 px), Signalrot der Lichtpunkte aus Krems. */
@font-face{font-family:"Space Grotesk";src:url("../fonts/spacegrotesk-var.woff2") format("woff2");font-weight:300 700;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url("../fonts/jetbrainsmono-var.woff2") format("woff2");font-weight:300 700;font-display:swap}
:root{--schwarz:#030304;--s2:#0a0b0d;--s3:#121418;--linie:#24272d;--alu:#d6dbe2;--alu2:#aeb4bc;--dim:#80868f;--rot:#ff3426;
  --g:"Space Grotesk","Helvetica Neue",Arial,sans-serif;--m:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;--max:1320px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:130px}
body{margin:0;background:var(--schwarz);color:var(--alu);font-family:var(--m);font-size:14px;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--alu);text-decoration:none;border-bottom:1px solid rgba(214,219,226,.35)}
a:hover{color:#fff;border-color:var(--rot)}
button,select,input{font:inherit;color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 18px}
@media(min-width:720px){.wrap{padding:0 32px}}
::selection{background:var(--rot);color:#fff}
:focus-visible{outline:1px solid var(--rot);outline-offset:3px}
main{background:
  linear-gradient(90deg,rgba(214,219,226,.035) 1px,transparent 1px) 0 0/100px 100px,
  linear-gradient(180deg,rgba(214,219,226,.035) 1px,transparent 1px) 0 0/100px 100px,var(--schwarz)}

/* HUD */
.hud{position:sticky;top:var(--mw4-height,70px);z-index:20;background:rgba(3,3,4,.92);backdrop-filter:blur(6px);border-bottom:1px solid var(--linie);font-size:12px}
.hud .wrap{display:flex;gap:18px;align-items:center;min-height:46px}
.hud-k{color:var(--alu);white-space:nowrap;font-family:var(--g);font-weight:600;letter-spacing:.06em}
.hud-k i{display:inline-block;width:8px;height:8px;background:var(--rot);margin-right:8px;vertical-align:1px}
.hud nav{display:flex;gap:18px;min-width:0;flex:1 1 auto;overflow-x:auto;scrollbar-width:none;white-space:nowrap}
.hud nav::-webkit-scrollbar{display:none}
.hud nav a{border:0;color:var(--dim)}
.hud nav a:hover{color:var(--alu)}
.hud .back{margin-left:auto;white-space:nowrap;border:0;color:var(--dim)}
@media(max-width:600px){.hud-k{display:none}}

/* Kopf */
.kopf{padding:64px 0 28px}
.kicker{margin:0 0 10px;color:var(--dim);font-size:12px;letter-spacing:.16em;text-transform:uppercase}
.kicker b{color:var(--rot);font-weight:400}
h1{font-family:var(--g);font-weight:600;font-size:clamp(44px,8.6vw,132px);line-height:.9;letter-spacing:-.025em;margin:0}
h1 span{display:block;font-weight:300;font-size:.42em;letter-spacing:.02em;margin-top:.25em;color:var(--alu2)}
.lead{font-family:var(--g);font-size:clamp(17px,1.7vw,22px);line-height:1.5;max-width:64ch;color:#e9edf2;margin:26px 0 0}
.fakten{display:flex;flex-wrap:wrap;gap:0;margin:30px 0 0;border:1px solid var(--linie)}
.fakten div{padding:12px 18px;border-right:1px solid var(--linie);min-width:140px}
.fakten div:last-child{border-right:0}
.fakten dt{font-size:10px;color:var(--dim);letter-spacing:.12em;text-transform:uppercase}
.fakten dd{margin:2px 0 0;font-family:var(--g);font-size:22px;font-weight:500}

/* Experience */
#sg{position:relative;margin:26px 0 0;display:grid;grid-template-columns:minmax(0,1fr);gap:0;border:1px solid var(--linie);background:#000}
@media(min-width:1100px){#sg{grid-template-columns:minmax(0,1fr) 360px}}
.sg-stage{position:relative;aspect-ratio:16/9;min-width:0;background:#000;overflow:hidden}
@media(max-width:700px){.sg-stage{aspect-ratio:auto;height:min(68vh,110vw)}}
.sg-stage canvas{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none;cursor:grab}
#sg.walking canvas{cursor:crosshair}
#sg-load{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:14px;color:var(--dim);font-size:12px;--p:0%}
#sg-load::before{content:"";width:220px;height:1px;background:linear-gradient(90deg,var(--alu) var(--p),var(--linie) var(--p))}
.sg-ov{position:absolute;left:16px;top:12px;right:16px;display:flex;justify-content:space-between;gap:10px;pointer-events:none;font-size:11px;color:var(--alu2);text-shadow:0 0 6px #000}
.sg-ov b{color:var(--alu);font-weight:500}
#sg-scale{position:absolute;left:16px;bottom:12px;font-size:11px;color:var(--alu2);pointer-events:none;text-shadow:0 0 6px #000}
.sg-walkpad{position:absolute;right:14px;bottom:14px;display:none;grid-template-columns:repeat(3,40px);gap:4px}
#sg.walking .sg-walkpad{display:grid}
.sg-walkpad button{height:40px;background:rgba(3,3,4,.7);border:1px solid var(--linie);cursor:pointer;font-size:14px}
.sg-walkpad button:active{background:var(--rot)}
#sg-card{position:absolute;left:16px;top:44px;width:min(380px,calc(100% - 32px));background:rgba(5,6,8,.94);border:1px solid var(--linie);padding:14px 16px;display:none;font-size:12px;line-height:1.55;z-index:3}
#sg-card.on{display:block}
#sg-card img{width:100%;margin-bottom:10px;border:1px solid var(--linie)}
#sg-card h3{font-family:var(--g);font-weight:500;font-size:17px;margin:0 0 6px}
#sg-card .k{color:var(--rot);font-size:10px;letter-spacing:.14em;margin:0 0 4px}
#sg-card p{margin:0 0 8px}
#sg-card .x{position:absolute;right:6px;top:4px;background:none;border:0;font-size:20px;cursor:pointer;color:var(--dim)}
#sg-toast{position:absolute;left:50%;bottom:70px;transform:translateX(-50%) translateY(10px);max-width:min(640px,92%);background:rgba(5,6,8,.94);border:1px solid var(--linie);border-left:3px solid var(--rot);padding:9px 14px;font-size:12px;opacity:0;transition:.3s;pointer-events:none;z-index:4}
#sg-toast.on{opacity:1;transform:translateX(-50%)}
#sg.drop .sg-stage::after{content:"TEXTUR · BILD · VIDEO · GLB · SOUND HIER ABLEGEN";position:absolute;inset:12px;border:1px dashed var(--alu);display:flex;align-items:center;justify-content:center;font-size:13px;letter-spacing:.14em;background:rgba(3,3,4,.6)}
#sg.rec .sg-stage::before{content:"● REC";position:absolute;right:16px;top:10px;color:var(--rot);font-size:12px;z-index:3;animation:blink 1s steps(2) infinite}
@keyframes blink{50%{opacity:0}}
.sg-bar{display:flex;align-items:center;gap:10px;padding:10px 12px;border-top:1px solid var(--linie);background:var(--s2);grid-column:1/-1}
@media(min-width:1100px){.sg-bar{grid-column:1}}
.sg-bar button{background:none;border:1px solid var(--linie);height:30px;min-width:38px;padding:0 10px;cursor:pointer;font-size:12px}
.sg-bar button.on,.sg-bar button:hover{border-color:var(--alu)}
#sg-tl{position:relative;flex:1;height:30px;cursor:pointer;background:repeating-linear-gradient(90deg,var(--linie) 0 1px,transparent 1px calc(100%/19.1)),var(--s3);touch-action:none}
#sg-tl i{position:absolute;left:0;top:0;bottom:0;background:linear-gradient(90deg,rgba(214,219,226,.08),rgba(214,219,226,.22));border-right:1px solid var(--rot);pointer-events:none}
.sg-mk{position:absolute;top:0;bottom:0;width:0;border:0;border-left:1px solid rgba(214,219,226,.5);background:none;padding:0;cursor:pointer}
.sg-mk span{position:absolute;left:3px;top:2px;font-size:9px;color:var(--alu2)}
#sg-tc{font-size:11px;color:var(--alu2);min-width:86px;text-align:right}

/* Bedienfeld */
.sg-ui{border-left:1px solid var(--linie);background:var(--s2);display:flex;flex-direction:column;min-height:0}
@media(max-width:1099px){.sg-ui{border-left:0;border-top:1px solid var(--linie)}}
@media(min-width:1100px){.sg-ui{grid-row:1/3;grid-column:2}}
@media(min-width:1100px){.sg-stage{aspect-ratio:auto;min-height:min(58vw,640px);height:100%}.sg-pane{max-height:none}#sg{grid-template-rows:minmax(0,1fr) auto}}
.sg-tabs{display:flex;border-bottom:1px solid var(--linie);overflow-x:auto;scrollbar-width:none}
.sg-tabs button{flex:1;background:none;border:0;border-right:1px solid var(--linie);padding:11px 8px;cursor:pointer;font-size:11px;letter-spacing:.06em;color:var(--dim);white-space:nowrap}
.sg-tabs button:last-child{border-right:0}
.sg-tabs button.on{color:var(--alu);box-shadow:inset 0 -2px 0 var(--rot)}
.sg-pane{display:none;padding:16px;overflow:auto;max-height:640px;font-size:12px}
.sg-pane.on{display:block}
.sg-pane h4{font-family:var(--g);font-weight:500;font-size:14px;margin:16px 0 8px;letter-spacing:.02em}
.sg-pane h4:first-child{margin-top:0}
.sg-pane p.note{color:var(--dim);margin:6px 0 10px;line-height:1.55}
.btns{display:flex;flex-wrap:wrap;gap:6px}
.btn{background:none;border:1px solid var(--linie);padding:6px 10px;cursor:pointer;font-size:12px;line-height:1.3;text-align:left}
.btn:hover{border-color:var(--alu)}
.btn.on{background:var(--alu);color:var(--schwarz);border-color:var(--alu)}
.btn.rot{border-color:var(--rot)}
.btn.wide{width:100%;text-align:center;padding:9px}
.row{display:flex;gap:8px;align-items:center;margin:8px 0}
.row .k{color:var(--dim);font-size:10px;letter-spacing:.12em;min-width:64px}
select,input[type=range]{background:var(--s3);border:1px solid var(--linie);padding:5px 6px;flex:1;min-width:0}
input[type=range]{padding:0;accent-color:var(--alu)}
.file{display:block;border:1px dashed var(--alu2);padding:10px;text-align:center;cursor:pointer;margin:6px 0}
.file:hover{border-color:#fff}
.file input{position:absolute;opacity:0;width:1px;height:1px}
.fname{color:var(--alu2);font-size:11px;display:block;margin:2px 0 8px}
.imp{display:none}
#sg.has-imp .imp{display:block}
.checks label{display:block;margin:4px 0}
#sg-prog{display:none;margin:10px 0 0;border:1px solid var(--linie);height:22px;position:relative}
#sg-prog.on{display:block}
#sg-prog i{position:absolute;left:0;top:0;bottom:0;background:linear-gradient(90deg,rgba(255,52,38,.4),rgba(255,52,38,.8))}
#sg-prog span{position:relative;font-size:10px;padding:0 8px;line-height:22px}
#sg.busy .sg-tabs,#sg.busy .sg-bar{pointer-events:none;opacity:.5}
.dl a{display:block;margin:5px 0;border:1px solid var(--linie);padding:7px 10px}
.dl a:hover{border-color:var(--alu)}
.dl a span{color:var(--dim);float:right}
table.dt{width:100%;border-collapse:collapse;font-size:11px}
.dt td{border-bottom:1px solid var(--linie);padding:5px 4px;vertical-align:top}
.dt td:nth-child(3),.dt td:nth-child(4),.dt td:nth-child(5){white-space:nowrap;text-align:right}
.lnk{background:none;border:0;border-bottom:1px solid var(--rot);padding:0;cursor:pointer;font-size:11px}
#sg-data-t{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;margin-top:8px}
.tf{position:relative;border:1px solid var(--linie);padding:0;background:#000;cursor:pointer}
.tf img{width:100%;aspect-ratio:16/9;object-fit:cover}
.tf span{position:absolute;left:2px;bottom:1px;font-size:9px;background:rgba(0,0,0,.7);padding:0 3px}
.tf:hover{border-color:var(--rot)}
.saetze-b{display:grid;grid-template-columns:1fr 1fr;gap:5px}

/* Sektionen */
section{padding:84px 0;border-top:1px solid var(--linie)}
h2{font-family:var(--g);font-weight:500;font-size:clamp(28px,3.6vw,46px);line-height:1.05;margin:0 0 34px;letter-spacing:-.015em}
h2 .nr{display:inline-block;font-family:var(--m);font-weight:400;font-size:12px;color:var(--rot);vertical-align:top;margin-right:12px}
h2 small{display:block;font-family:var(--m);font-size:12px;color:var(--dim);margin-top:10px;letter-spacing:0;font-weight:400}
.zwei{display:grid;gap:10px 60px;grid-template-columns:minmax(0,1fr)}
@media(min-width:980px){.zwei{grid-template-columns:minmax(0,4fr) minmax(0,8fr)}.zwei h2{position:sticky;top:180px;align-self:start}}
.text p{margin:0 0 1.1em;max-width:74ch}
.film video{width:100%;aspect-ratio:16/9;background:#000;border:1px solid var(--linie);display:block}
.cap{font-size:11px;color:var(--dim);margin-top:10px}
.map{display:grid;gap:1px;background:var(--linie);border:1px solid var(--linie)}
@media(min-width:800px){.map{grid-template-columns:1fr 1fr}}
.map div{background:var(--schwarz);padding:16px 18px}
.map b{display:block;font-family:var(--g);font-weight:500;font-size:16px;margin-bottom:4px}
.map span{color:var(--alu2);font-size:12px}
.map em{font-style:normal;color:var(--rot)}
.stills{display:grid;gap:6px;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));margin-top:30px}
.stills img{width:100%;aspect-ratio:16/9;object-fit:cover;border:1px solid var(--linie)}
.refs{list-style:none;margin:0;padding:0;display:grid;gap:9px;font-size:13px;overflow-wrap:anywhere}
.refs span{color:var(--dim)}
.tech p{margin:0 0 12px;font-size:13px;max-width:80ch}
.tech b{display:inline-block;min-width:96px;color:var(--alu);font-weight:500}
@media(prefers-reduced-motion:reduce){#sg-toast{transition:none}}

/* Navigation direkt in der Szene (6.10.2026) */
.sg-nav{position:absolute;right:10px;top:10px;display:flex;flex-wrap:wrap;justify-content:flex-end;gap:4px;z-index:4;max-width:calc(100% - 150px)}
.sg-nav button{font:500 11px/1 var(--m);letter-spacing:.04em;color:var(--alu);background:rgba(5,6,8,.78);border:1px solid var(--linie);padding:8px 10px;cursor:pointer;backdrop-filter:blur(4px)}
.sg-nav button:hover{border-color:var(--alu2)}
.sg-nav button.on{background:var(--alu);color:#050608;border-color:var(--alu)}
.sg-nav #sg-dreh.on{background:var(--rot);border-color:var(--rot);color:#fff}
#sg-hint{position:absolute;left:16px;bottom:32px;right:16px;font-size:11px;line-height:1.5;color:var(--alu2);pointer-events:none;text-shadow:0 0 6px #000,0 0 2px #000}
#sg-hint b{color:#fff;font-weight:500}
#sg-start{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);pointer-events:none;display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;z-index:3;width:min(92%,520px);transition:opacity .4s}
#sg-start button{pointer-events:auto;font:600 15px/1 var(--g);letter-spacing:.02em;padding:15px 20px;border:1px solid var(--alu);background:rgba(3,3,4,.72);color:var(--alu);cursor:pointer;backdrop-filter:blur(4px)}
#sg-start button.go{background:var(--rot);border-color:var(--rot);color:#fff}
#sg-start button:hover{filter:brightness(1.15)}
#sg-start span{flex-basis:100%;text-align:center;font-size:11px;color:var(--alu2);text-shadow:0 0 6px #000}
#sg.started #sg-start{opacity:0;pointer-events:none}
#sg:not(.ready) #sg-start,#sg:not(.ready) .sg-nav{visibility:hidden}
.sg-stage canvas{cursor:grab}.sg-stage canvas:active{cursor:grabbing}
#sg:fullscreen{width:100vw;height:100vh;margin:0;border:0;grid-template-rows:minmax(0,1fr) auto;overflow:auto}
#sg:fullscreen .sg-stage{aspect-ratio:auto;height:100%;min-height:0}
@media(max-width:700px){.sg-nav{max-width:calc(100% - 20px);top:auto;bottom:8px;right:8px;left:8px;justify-content:flex-start}.sg-nav button{padding:8px 8px}#sg-hint{bottom:auto;top:34px}#sg-scale{display:none}#sg.walking .sg-walkpad{bottom:52px}#sg-toast{bottom:60px}}

/* YouTube + Sketchfab (8.10.2026) */
.emb{position:relative;aspect-ratio:16/9;background:#000;border:1px solid var(--linie)}
.emb iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
#modell .emb.sf{margin-top:34px}