/* DBG v21 – isolated Scrollen.Bauen WebGL module */
html,body{overflow-x:hidden!important;max-width:100%}
.build21{height:190vh;background:#0c1117;color:#fff;overflow:visible;position:relative;isolation:isolate}
.build21-sticky{position:sticky;top:0;height:100svh;min-height:650px;display:grid;grid-template-columns:minmax(310px,.72fr) minmax(0,1.28fr);overflow:hidden;background:#0d1319;z-index:2}
.build21-copy{position:relative;z-index:3;height:100%;padding:clamp(90px,11vh,145px) clamp(28px,4vw,72px);display:flex;flex-direction:column;justify-content:center;background:linear-gradient(90deg,#111820 0%,#10171e 78%,rgba(16,23,30,.78) 100%)}
.build21-copy h2{font-size:clamp(58px,5.2vw,94px);line-height:.88;margin:16px 0 18px;color:#fff}
.build21-copy h2 em{font-family:Georgia,'Times New Roman',serif;font-weight:400}
.build21-copy>p{min-height:58px;max-width:400px;font-size:13px;line-height:1.55;color:rgba(255,255,255,.78);margin:0}
.build21-phase{display:flex;gap:11px;align-items:center;margin-top:13px;font-size:8px;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.55)}
.build21-phase b{color:#fff;font-size:8px}
.build21-progress{height:2px;margin-top:22px;background:rgba(255,255,255,.13);overflow:hidden}
.build21-progress span{display:block;width:0;height:100%;background:linear-gradient(90deg,var(--red,#c81d32),var(--gold,#c7a56a));transition:width .06s linear}
.build21-legend{display:flex;justify-content:space-between;gap:16px;margin-top:10px;font-size:7px;letter-spacing:.14em;color:rgba(255,255,255,.47);text-transform:uppercase}
.build21-stage{position:relative;height:100%;overflow:hidden;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 56% 44%,rgba(199,165,106,.11),transparent 28%),linear-gradient(145deg,#0e151c,#090e13)}
.build21-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.031) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.031) 1px,transparent 1px);background-size:54px 54px;mask-image:radial-gradient(circle at 54% 46%,#000 38%,transparent 90%);opacity:.55}
.build21-fallback{position:absolute;inset:8% 7% 12%;display:flex;align-items:center;justify-content:center;opacity:1;transition:opacity .25s ease;pointer-events:none}
.build21-fallback svg{width:min(100%,900px);height:100%;max-height:86%;filter:drop-shadow(0 30px 42px rgba(0,0,0,.28))}
.build21-stage.is-webgl .build21-fallback{opacity:0}
.build21-canvas{position:absolute;inset:7% 4% 11%;width:92%;height:82%;display:block;opacity:0;transition:opacity .25s ease;cursor:grab;touch-action:pan-y;outline:none;filter:drop-shadow(0 30px 46px rgba(0,0,0,.30))}
.build21-stage.is-webgl .build21-canvas{opacity:1}
.build21-canvas.is-dragging{cursor:grabbing}
.build21-caption{position:absolute;right:4%;bottom:5%;z-index:4;text-align:right;pointer-events:none}
.build21-caption span{display:block;font-size:clamp(30px,3.2vw,48px);font-weight:700;line-height:1;color:#fff}
.build21-caption small{display:block;margin-top:5px;font-size:8px;letter-spacing:.17em;color:rgba(255,255,255,.53)}
.build21-note{position:absolute;left:4%;bottom:5%;z-index:4;font-size:7px;letter-spacing:.15em;color:rgba(255,255,255,.45);pointer-events:none}

@media(max-width:1100px){
  .build21{height:180vh}
  .build21-sticky{grid-template-columns:minmax(280px,.68fr) minmax(0,1.32fr)}
  .build21-canvas{inset:8% 2% 12%;width:96%;height:80%}
}

@media(max-width:800px){
  .build21{height:172vh;overflow:visible}
  .build21-sticky{height:100svh;min-height:0;grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr);overflow:hidden}
  .build21-copy{height:auto;padding:calc(var(--header-h) + 16px) var(--pad) 12px;justify-content:flex-start;background:#111820}
  .build21-copy h2{font-size:clamp(42px,13vw,58px);margin:8px 0 10px}
  .build21-copy>p{min-height:38px;font-size:11px;line-height:1.45;max-width:92%}
  .build21-progress{margin-top:10px}
  .build21-legend{margin-top:7px}
  .build21-legend span:last-child{display:none}
  .build21-stage{min-height:0}
  .build21-canvas{inset:1% 0 12%;width:100%;height:87%;touch-action:pan-y}
  .build21-fallback{inset:1% 0 12%}
  .build21-fallback svg{width:100%;max-height:90%}
  .build21-caption{right:5%;bottom:4%}
  .build21-caption span{font-size:28px}
  .build21-note{left:5%;bottom:4%;font-size:6px;max-width:62%;line-height:1.4}
}

@media(max-width:520px){
  .build21{height:164vh}
  .build21-copy{padding-left:18px;padding-right:18px}
  .build21-copy h2{font-size:43px}
  .build21-canvas{inset:0 -2% 13%;width:104%;height:87%}
  .build21-fallback{inset:0 -2% 13%}
}

@media(prefers-reduced-motion:reduce){
  .build21{height:auto;min-height:100svh}
  .build21-sticky{position:relative}
  .build21-canvas{cursor:default}
}


/* DBG v22 – pinned build sequence + final inspection hold */
.build21.is-complete .build21-progress span{width:100%!important}
.build21.is-complete .build21-stage{box-shadow:inset 0 0 0 1px rgba(199,165,106,.07)}
.build21.is-complete .build21-caption small:after{content:" · MODELL FREI DREHBAR";color:rgba(199,165,106,.88)}
.build21-inspect{position:absolute;right:4%;top:6%;z-index:6;display:none;align-items:center;gap:9px;padding:10px 12px;border:1px solid rgba(255,255,255,.18);background:rgba(11,16,21,.76);backdrop-filter:blur(8px);color:#fff;font:inherit;font-size:8px;letter-spacing:.14em;text-transform:uppercase;cursor:pointer}
.build21.is-complete .build21-inspect{display:flex}
.build21-inspect:before{content:"↔";font-size:13px;color:var(--gold,#c7a56a)}
.build21.is-interacting .build21-inspect{border-color:rgba(199,165,106,.6);background:rgba(199,165,106,.12)}
.build21.is-interacting .build21-inspect:after{content:" · AKTIV";color:var(--gold,#c7a56a)}
@media(max-width:800px){
  .build21-inspect{top:auto;right:5%;bottom:14%;padding:9px 10px}
  .build21.is-interacting .build21-canvas{touch-action:none!important}
  .build21:not(.is-interacting) .build21-canvas{touch-action:pan-y!important}
}


/* DBG v23 – guided build interaction, no black scroll tail */
.build21{
  height:auto!important;
  min-height:100svh!important;
  background:#0c1117!important;
  overflow:clip!important;
  position:relative!important;
  isolation:isolate;
  scroll-margin-top:0;
}
.build21-sticky{
  position:relative!important;
  top:auto!important;
  height:100svh!important;
  min-height:650px!important;
  width:100%!important;
  display:grid!important;
  grid-template-columns:minmax(310px,.72fr) minmax(0,1.28fr)!important;
  overflow:hidden!important;
  background:#0d1319!important;
}
.build21-start{
  appearance:none;
  width:fit-content;
  min-width:190px;
  margin-top:22px;
  padding:12px 14px;
  border:1px solid rgba(255,255,255,.20);
  background:rgba(255,255,255,.045);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  font:inherit;
  font-size:9px;
  letter-spacing:.14em;
  text-transform:uppercase;
  cursor:pointer;
  transition:.25s ease;
}
.build21-start i{font-style:normal;color:var(--gold,#c7a56a);font-size:15px}
.build21-start:hover,.build21-start.is-active{background:#fff;color:#111820;border-color:#fff}
.build21-start.is-active i{color:var(--red,#c81d32)}
.build21.is-building .build21-stage{box-shadow:inset 0 0 0 1px rgba(199,165,106,.22)}
.build21.is-building .build21-progress span{box-shadow:0 0 18px rgba(199,165,106,.26)}
.build21.is-complete .build21-start{display:none!important}
.build21 + .references-v6{margin-top:0!important}

@media(max-width:1100px){
  .build21{height:auto!important;min-height:100svh!important}
  .build21-sticky{height:100svh!important;min-height:620px!important}
}
@media(max-width:800px){
  .build21{height:auto!important;min-height:100svh!important;overflow:hidden!important}
  .build21-sticky{
    position:relative!important;
    height:100svh!important;
    min-height:0!important;
    grid-template-columns:1fr!important;
    grid-template-rows:auto minmax(0,1fr)!important;
  }
  .build21-copy{padding:calc(var(--header-h) + 14px) var(--pad) 10px!important}
  .build21-start{margin-top:10px;min-width:176px;padding:10px 12px;font-size:8px}
  .build21-progress{margin-top:10px!important}
  .build21-stage{min-height:0!important}
}
@media(max-width:520px){
  .build21{height:auto!important;min-height:100svh!important}
  .build21-sticky{height:100svh!important}
}


/* DBG v24 – manual Baufortschritt instead of scroll capture */
.build21{
  height:auto!important;
  min-height:0!important;
  overflow:hidden!important;
  background:#0d141b!important;
}
.build21-sticky{
  position:relative!important;
  top:auto!important;
  height:auto!important;
  min-height:clamp(680px,78vh,900px)!important;
  display:grid!important;
  grid-template-columns:minmax(330px,.76fr) minmax(0,1.24fr)!important;
  overflow:hidden!important;
}
.build21-copy{
  min-height:clamp(680px,78vh,900px)!important;
  padding:clamp(70px,8vw,120px) clamp(34px,5vw,78px)!important;
  justify-content:center!important;
}
.build21-stage{
  min-height:clamp(680px,78vh,900px)!important;
}
.build21-start{display:none!important}
.build21-control{margin-top:26px;max-width:470px}
.build21-slider-head{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:11px;font-size:8px;letter-spacing:.15em;color:rgba(255,255,255,.56);text-transform:uppercase}
.build21-slider-head strong{font-size:11px;color:#fff;font-weight:650;letter-spacing:.08em}
.build21-slider-wrap{position:relative;height:30px;display:flex;align-items:center}
.build21-slider-wrap .build21-progress{position:absolute;left:0;right:0;top:50%;height:2px;margin:0!important;transform:translateY(-50%);background:rgba(255,255,255,.17);overflow:visible;pointer-events:none}
.build21-slider-wrap .build21-progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--red,#c81d32),var(--gold,#c7a56a));box-shadow:0 0 16px rgba(199,165,106,.22);transition:width .06s linear}
.build21-range{-webkit-appearance:none;appearance:none;position:absolute;inset:0;width:100%;height:30px;margin:0;background:transparent;cursor:ew-resize;z-index:3;touch-action:pan-y}
.build21-range::-webkit-slider-runnable-track{height:2px;background:transparent}
.build21-range::-moz-range-track{height:2px;background:transparent}
.build21-range::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:22px;height:22px;margin-top:-10px;border-radius:50%;border:1px solid rgba(255,255,255,.88);background:#111820;box-shadow:0 0 0 5px rgba(199,165,106,.10),0 4px 14px rgba(0,0,0,.35);transition:transform .15s ease,background .15s ease}
.build21-range::-moz-range-thumb{width:22px;height:22px;border-radius:50%;border:1px solid rgba(255,255,255,.88);background:#111820;box-shadow:0 0 0 5px rgba(199,165,106,.10),0 4px 14px rgba(0,0,0,.35);transition:transform .15s ease,background .15s ease}
.build21-range:hover::-webkit-slider-thumb,.build21-range:focus-visible::-webkit-slider-thumb{transform:scale(1.12);background:#202a33}
.build21-range:hover::-moz-range-thumb,.build21-range:focus-visible::-moz-range-thumb{transform:scale(1.12);background:#202a33}
.build21-ticks{display:grid;grid-template-columns:repeat(5,1fr);margin-top:-1px;font-size:7px;letter-spacing:.08em;color:rgba(255,255,255,.33)}
.build21-ticks span:nth-child(1){text-align:left}.build21-ticks span:nth-child(n+2):nth-child(-n+4){text-align:center}.build21-ticks span:last-child{text-align:right}
.build21-legend{margin-top:13px!important}
.build21-inspect{display:flex!important}
.build21.is-complete .build21-caption small:after{content:" · MODELL DREHBAR"!important}
.build21 + .references-v6{margin-top:0!important}

@media(max-width:1024px){
  .build21-sticky{grid-template-columns:minmax(285px,.72fr) minmax(0,1.28fr)!important;min-height:650px!important}
  .build21-copy,.build21-stage{min-height:650px!important}
  .build21-copy{padding:60px 30px!important}
}
@media(max-width:800px){
  .build21{height:auto!important;min-height:0!important;overflow:hidden!important}
  .build21-sticky{height:auto!important;min-height:0!important;grid-template-columns:1fr!important;grid-template-rows:auto minmax(430px,56vh)!important}
  .build21-copy{min-height:0!important;height:auto!important;padding:calc(var(--header-h) + 22px) var(--pad) 28px!important}
  .build21-copy h2{font-size:clamp(44px,13vw,58px)!important;margin:10px 0 12px!important}
  .build21-copy>p{min-height:0!important;max-width:94%!important}
  .build21-control{margin-top:22px;max-width:none}
  .build21-slider-head{font-size:7px}
  .build21-slider-wrap{height:40px}
  .build21-range{height:40px;touch-action:none}
  .build21-range::-webkit-slider-thumb{width:26px;height:26px;margin-top:-12px}
  .build21-range::-moz-range-thumb{width:26px;height:26px}
  .build21-stage{min-height:430px!important;height:56vh!important}
  .build21-canvas{touch-action:pan-y!important}
  .build21.is-interacting .build21-canvas{touch-action:none!important}
  .build21-inspect{display:flex!important;top:auto!important;right:5%!important;bottom:14%!important}
  .build21-note{max-width:58%}
  .build21-legend span:last-child{display:none}
}