:root{
  --rot:#a51f2b; --rot-d:#7c1620; --gold:#e3a21a; --gold-h:#f3c55a;
  --ink:#1c1a18; --ink2:#5d564e; --papier:#f5f1ea; --sand:#ebe3d6; --linie:#dcd2c3; --weiss:#fffdf9; --kohle:#1d1b19;
  --kopf:68px; --fuss:52px; --rand:clamp(18px,4vw,64px);
  --schrift:"Segoe UI Variable Display","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --weich:cubic-bezier(.22,.8,.18,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;overflow:hidden}
body{font-family:var(--schrift);background:var(--papier);color:var(--ink);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit}
button,input,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

/* Kopf */
.kopf{position:fixed;inset:0 0 auto;height:var(--kopf);display:flex;align-items:center;gap:28px;padding:0 var(--rand);z-index:20;background:color-mix(in srgb,var(--papier) 88%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--linie)}
.marke img{height:34px;width:auto}
.menue{display:flex;gap:4px;margin-left:auto}
.menue a{position:relative;text-decoration:none;font-size:14.5px;font-weight:500;padding:8px 12px;border-radius:99px;color:var(--ink2);transition:color .25s,background .25s}
.menue a:hover{color:var(--ink);background:var(--sand)}
.menue a[aria-current]{color:var(--ink)}
.menue a[aria-current]::after{content:"";position:absolute;left:50%;bottom:1px;width:5px;height:5px;margin-left:-2.5px;border-radius:50%;background:var(--rot)}
.nur-mobil{display:none}
.burger{display:none;margin-left:auto;width:42px;height:42px;border:0;background:none;cursor:pointer;position:relative}
.burger span{position:absolute;left:10px;right:10px;height:2px;background:var(--ink);transition:transform .3s var(--weich)}
.burger span:first-child{top:16px}.burger span:last-child{top:24px}
.burger[aria-expanded=true] span:first-child{transform:translateY(4px) rotate(45deg)}
.burger[aria-expanded=true] span:last-child{transform:translateY(-4px) rotate(-45deg)}

/* Knöpfe */
.knopf{display:inline-flex;align-items:center;gap:12px;background:var(--rot);color:#fff;text-decoration:none;font-weight:600;font-size:15px;padding:13px 22px;border-radius:99px;border:0;cursor:pointer;transition:background .25s,transform .25s var(--weich),box-shadow .25s;box-shadow:0 6px 18px -8px rgba(165,31,43,.7);width:max-content}
.knopf:hover{background:var(--rot-d);transform:translateY(-1px)}
.knopf.hell{background:var(--gold);color:var(--kohle);box-shadow:0 6px 22px -8px rgba(227,162,26,.8)}
.knopf.hell:hover{background:var(--gold-h)}
.knopf.klein{padding:9px 16px;font-size:14px}
.pfeil{display:inline-block;width:14px;height:10px;position:relative;flex:none;transition:transform .3s var(--weich)}
.pfeil::before{content:"";position:absolute;left:0;right:1px;top:4px;height:2px;background:currentColor}
.pfeil::after{content:"";position:absolute;right:0;top:0;width:7px;height:7px;border:solid currentColor;border-width:2px 2px 0 0;transform:translateY(.5px) rotate(45deg)}
.pfeil.links{transform:scaleX(-1)}
.knopf:hover .pfeil,a:hover>.pfeil{transform:translateX(3px)}

/* Bühne */
.buehne{position:fixed;left:0;right:0;top:var(--kopf);bottom:var(--fuss);overflow:hidden}
.seite{position:absolute;inset:0;visibility:hidden;overflow:hidden;padding:clamp(18px,4vh,48px) var(--rand)}
.seite.aktiv{visibility:visible;z-index:2}
.seite.geht{visibility:visible;z-index:1;animation:raus .6s var(--weich) forwards}
.seite.aktiv.kommt{animation:rein .8s var(--weich)}
@keyframes rein{from{clip-path:inset(100% 0 0 0)}to{clip-path:inset(0 0 0 0)}}
@keyframes raus{to{opacity:0;transform:translateY(-4%) scale(.98)}}
.seite.zurueck.aktiv.kommt{animation-name:reinZ}
.seite.zurueck.geht{animation-name:rausZ}
@keyframes reinZ{from{clip-path:inset(0 0 100% 0)}to{clip-path:inset(0 0 0 0)}}
@keyframes rausZ{to{opacity:0;transform:translateY(4%) scale(.98)}}
.ein{opacity:0;transform:translateY(18px)}
.seite.aktiv .ein{animation:hoch .8s var(--weich) forwards;animation-delay:calc(.18s + var(--i,0)*.07s)}
@keyframes hoch{to{opacity:1;transform:none}}
.messen .ein{transform:none!important}

/* Typo */
.kicker{font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;font-weight:600;color:var(--rot);display:flex;gap:10px;align-items:center}
.kicker b{font-weight:700;color:var(--ink);padding-right:10px;border-right:1px solid var(--linie)}
.kicker.gold{color:var(--gold)}
h2{font-size:clamp(28px,min(4vw,6.2vh),54px);line-height:1.06;letter-spacing:-.025em;font-weight:700;margin:14px 0 16px;text-wrap:balance}
h3{font-size:clamp(18px,2.6vh,22px);line-height:1.2;letter-spacing:-.01em}
.lead{font-size:clamp(15px,2.1vh,18px);color:var(--ink2);max-width:60ch;text-wrap:pretty}
.klein-text{font-size:14px;color:inherit;opacity:.78}
.hinweis{font-size:13.5px;color:var(--ink2);max-width:38ch}
.fussnote{font-size:12px;opacity:.6;margin-top:auto}

/* Raster */
.raster{height:100%;display:grid;gap:clamp(20px,4vw,64px);max-width:1440px;margin:0 auto}
.raster.zwei{grid-template-columns:1fr 1fr;align-items:center}
.raster.breit-links{grid-template-columns:1.15fr .85fr}
.raster.breit-rechts{grid-template-columns:.8fr 1.2fr}
.raster.bild-links{grid-template-columns:1.1fr .9fr}
.raster.eins{grid-template-rows:auto 1fr auto;gap:clamp(14px,3vh,32px)}
.spalte{display:flex;flex-direction:column;gap:clamp(10px,2vh,18px);min-height:0}
.spalte > h2{margin:0}
.kopfzeile{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:end}
.kopfzeile h2{margin-bottom:0}
.zeile{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.karte{background:var(--weiss);border:1px solid var(--linie);border-radius:22px;padding:clamp(18px,3vh,30px)}
.karte.dunkel{background:var(--kohle);color:#f4eee4;border-color:#2e2a26}

/* Start */
#start{padding:0}
.split{position:absolute;inset:0;display:flex}
.fluss{position:absolute;inset:0;width:100%;height:100%;z-index:1;pointer-events:none}
.teil{position:relative;flex:1 1 0;display:flex;align-items:center;text-decoration:none;padding:0 clamp(24px,5vw,88px);transition:flex-grow .9s var(--weich);min-width:0;overflow:hidden}
.teil:hover{flex-grow:1.3}
.teil-rest{background:radial-gradient(120% 90% at 20% 30%,#f7f1e6 0,#ece2d0 55%,#e2d4bb 100%);color:var(--ink)}
.teil-waerme{color:#f7f0e4;background:#171513}
.teil-waerme::before{content:"";position:absolute;inset:0;background:url(anlage.webp?b=2) center 60%/cover;opacity:.42;filter:saturate(.6) contrast(1.05);transition:opacity .9s,transform 1.4s var(--weich)}
.teil-waerme::after{content:"";position:absolute;inset:0;background:radial-gradient(90% 70% at 70% 40%,rgba(227,162,26,.22),transparent 60%),linear-gradient(90deg,rgba(23,21,19,.85),rgba(23,21,19,.35) 70%)}
.teil-waerme:hover::before{opacity:.55;transform:scale(1.03)}
.teil-in{position:relative;z-index:2;display:flex;flex-direction:column;gap:clamp(10px,2vh,18px);max-width:520px}
.teil-waerme .teil-in{margin-left:clamp(10px,3vw,48px)}
.riesig{font-size:clamp(40px,min(6.4vw,10vh),104px);line-height:.95;letter-spacing:-.04em;font-weight:750;margin:0}
.teil-rest .riesig{color:var(--ink)}
.teil-waerme .riesig{color:#fff;background:linear-gradient(100deg,#fff 30%,var(--gold-h));-webkit-background-clip:text;background-clip:text;color:transparent}
.teil-frage{font-size:clamp(18px,2.6vh,24px);font-weight:600;display:flex;align-items:center;gap:12px}
.teil-frage::before{content:"";width:28px;height:2px;background:currentColor;opacity:.5}
.teil-rest .teil-frage{color:var(--rot)}
.teil-waerme .teil-frage{color:var(--gold)}
.teil-text{font-size:clamp(14px,2vh,17px);opacity:.82;max-width:44ch}
.naht{position:absolute;z-index:3;left:var(--naht,50%);top:var(--nahtY,50%);width:58px;height:58px;margin:-29px 0 0 -29px;border-radius:50%;background:var(--gold);display:grid;place-items:center;box-shadow:0 0 0 8px rgba(227,162,26,.18),0 10px 30px rgba(0,0,0,.25);transition:transform .3s var(--weich),box-shadow .3s}
.naht:hover{transform:scale(1.1);box-shadow:0 0 0 12px rgba(227,162,26,.25),0 12px 34px rgba(0,0,0,.3)}
.naht span{width:18px;height:12px;position:relative;animation:schub 1.8s ease-in-out infinite}
.naht span::before{content:"";position:absolute;left:0;right:2px;top:5px;height:2px;background:var(--kohle)}
.naht span::after{content:"";position:absolute;right:0;top:1px;width:8px;height:8px;border:solid var(--kohle);border-width:2px 2px 0 0;transform:rotate(45deg)}
@keyframes schub{50%{transform:translateX(4px)}}
.teil-rest .kicker{color:var(--rot)}
.teil-waerme .kicker{color:var(--gold)}

/* Reststoffe */
.reiter{display:flex;gap:6px;flex-wrap:wrap}
.reiter button{border:1px solid var(--linie);background:var(--weiss);padding:9px 16px;border-radius:99px;font-size:14px;font-weight:500;cursor:pointer;transition:all .25s}
.reiter button:hover{border-color:var(--ink2)}
.reiter button[aria-selected=true]{background:var(--ink);color:var(--papier);border-color:var(--ink)}
.reiter-feld{border-left:3px solid var(--gold);padding:4px 0 4px 18px;min-height:88px}
.reiter-feld p{font-size:15.5px}
.reiter-feld small{display:block;margin-top:6px;color:var(--ink2);font-size:13.5px}
.reiter-feld.neu{animation:tauchen .5s var(--weich)}
@keyframes tauchen{from{opacity:0;transform:translateX(-8px)}}
.kriterien{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.kriterien li{font-size:12.5px;color:var(--ink2);padding:12px;border-radius:14px;background:var(--sand);line-height:1.35}
.kriterien b{display:block;color:var(--ink);font-size:14px;margin-bottom:3px}
.rechner{display:flex;flex-direction:column;gap:12px;margin-bottom:18px}
.rechner h3{font-size:clamp(22px,3.4vh,30px)}
.regler-kopf{display:flex;justify-content:space-between;font-size:14px;margin-top:4px}
.regler-kopf output{font-weight:700;color:var(--gold);font-variant-numeric:tabular-nums}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:99px;background:linear-gradient(90deg,var(--gold) var(--p,25%),#3a3530 var(--p,25%));cursor:pointer}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:#fff;border:4px solid var(--gold);box-shadow:0 2px 10px rgba(0,0,0,.4)}
input[type=range]::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:#fff;border:4px solid var(--gold)}
.balken{display:flex;height:34px;border-radius:10px;overflow:hidden;background:#2a2622}
.balken i{display:block;height:100%;transition:width .35s var(--weich)}
.b-nutz{background:linear-gradient(90deg,#c9861a,var(--gold-h))}
.b-dampf{background:var(--rot)}
.b-wasser{background:repeating-linear-gradient(135deg,#3f3a34 0 6px,#2f2b27 6px 12px)}
.legende{list-style:none;display:flex;gap:16px;flex-wrap:wrap;font-size:12.5px;opacity:.85}
.legende li{display:flex;align-items:center;gap:7px}
.legende i{width:12px;height:12px;border-radius:3px;display:inline-block}
.werte{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.werte div{background:#26231f;border-radius:14px;padding:12px 16px}
.werte span{display:block;font-size:12.5px;opacity:.7}
.werte strong{font-size:clamp(22px,3.4vh,30px);font-variant-numeric:tabular-nums;letter-spacing:-.02em}

/* Wärme */
.fragen{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.fragen button{text-align:left;border:1px solid var(--linie);background:var(--weiss);border-radius:14px;padding:12px 14px;cursor:pointer;font-weight:600;font-size:14.5px;transition:all .25s var(--weich);display:flex;flex-direction:column;gap:2px}
.fragen b{font-size:11.5px;color:var(--ink2);font-weight:600;letter-spacing:.08em}
.fragen button:hover{transform:translateY(-2px);border-color:var(--ink2)}
.fragen button[aria-selected=true]{background:var(--rot);color:#fff;border-color:var(--rot)}
.fragen button[aria-selected=true] b{color:rgba(255,255,255,.75)}
.bild-karte{position:relative;height:100%;max-height:100%;border-radius:24px;overflow:hidden;background:var(--sand);min-height:0}
.bild-karte img{width:100%;height:100%;object-fit:cover}
.bild-karte figcaption{position:absolute;left:14px;right:14px;bottom:14px;background:rgba(255,253,249,.9);backdrop-filter:blur(10px);border-radius:16px;padding:14px 18px;display:flex;flex-direction:column;gap:4px;font-size:14.5px}
.bild-karte figcaption b{font-size:16px}
.bild-karte figcaption span{color:var(--ink2)}
.antwort.neu{animation:tauchen .5s var(--weich)}
#waerme .raster,#vorhelm .raster{align-items:stretch}
#waerme .spalte,#vorhelm .spalte{justify-content:center}

/* Ablauf */
.flussbild{display:grid;grid-template-columns:1fr 44px 1.35fr 44px 1fr;align-items:center;min-height:0}
.eingaenge{display:flex;flex-direction:column;gap:clamp(12px,3vh,28px)}
.eingang{display:flex;flex-direction:column;gap:3px;text-decoration:none;background:var(--weiss);border:1px solid var(--linie);border-left:4px solid var(--gold);border-radius:18px;padding:clamp(12px,2.2vh,20px) 20px;transition:transform .3s var(--weich),border-color .3s}
.eingang.waerme{border-left-color:var(--rot)}
.eingang:hover{transform:translateX(4px)}
.eingang small,.ergebnis small{font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;font-weight:600;color:var(--ink2)}
.eingang b{font-size:clamp(18px,2.6vh,22px)}
.eingang span{font-size:13.5px;color:var(--ink2)}
.zusammen{width:100%;height:clamp(140px,30vh,220px);overflow:visible}
.zusammen.kurz{height:60px}
.zusammen path{fill:none;stroke:var(--gold);stroke-width:3;vector-effect:non-scaling-stroke}
.zusammen .spitze{fill:var(--gold);stroke:none}
.schritte{list-style:none;display:flex;flex-direction:column;gap:6px;background:var(--weiss);border:1px solid var(--linie);border-radius:22px;padding:clamp(10px,1.6vh,16px)}
.schritte li{border-radius:14px;transition:background .5s,color .5s,transform .5s var(--weich)}
.schritte li a{display:flex;gap:14px;align-items:center;padding:clamp(7px,1.3vh,12px) 14px;text-decoration:none;color:inherit;border-radius:14px}
.schritte li a .pfeil{margin-left:auto;opacity:.35;transition:opacity .3s,transform .3s var(--weich)}
.schritte li:hover{background:var(--sand)}
.schritte li:hover .pfeil,.schritte li.an .pfeil{opacity:1}
.schritte li.an:hover{background:var(--kohle)}
.schritte h3{font-size:clamp(15px,2.2vh,18px)}
.schritte li p{font-size:13.5px;color:var(--ink2);transition:color .5s}
.schritte .nr{width:34px;height:34px;flex:none;border-radius:50%;display:grid;place-items:center;font-weight:700;background:var(--sand);transition:background .5s,color .5s}
.schritte li.an{background:var(--kohle);color:#fff;transform:scale(1.02)}
.ergebnis{background:var(--kohle);color:#f4eee4;border-radius:22px;padding:clamp(18px,3vh,28px);display:flex;flex-direction:column;gap:8px;box-shadow:0 20px 40px -24px rgba(0,0,0,.6)}
.ergebnis small{color:var(--gold)}
.ergebnis b{font-size:clamp(20px,3vh,26px);padding-bottom:10px;border-bottom:1px solid #3a3530}
.ergebnis ul{list-style:none;display:flex;flex-direction:column;gap:6px;font-size:14.5px}
.ergebnis li::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--gold);margin-right:10px;vertical-align:middle}
.schritte li.an p{color:rgba(255,255,255,.75)}
.schritte li.an .nr{background:var(--gold);color:var(--kohle)}
/* Aufbereitung */
.bausteine{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;min-height:0}
.baustein{position:relative;display:flex;flex-direction:column;justify-content:flex-end;gap:4px;padding:clamp(14px,2.4vh,22px);border-radius:22px;overflow:hidden;text-decoration:none;color:#fff;min-height:0;isolation:isolate}
.baustein img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform 1.2s var(--weich)}
.baustein::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(20,18,16,.05) 30%,rgba(20,18,16,.85))}
.baustein:hover img{transform:scale(1.06)}
.baustein .nr{position:absolute;top:14px;left:14px;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--gold);color:var(--kohle);font-weight:700}
.baustein b{font-size:clamp(20px,3vh,28px);letter-spacing:-.02em}
.baustein > span:not(.nr){font-size:14px;opacity:.85}
.baustein em{font-style:normal;font-size:13.5px;font-weight:600;color:var(--gold-h);display:inline-flex;gap:10px;align-items:center;margin-top:6px}
.raster.aufb{grid-template-columns:1.1fr .9fr;align-items:stretch}
.raster.aufb .spalte{justify-content:center}
.galerie{position:relative;margin:0;border-radius:24px;overflow:hidden;background:var(--kohle);min-height:0}
.galerie img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.04);transition:opacity .9s ease,transform 6s linear}
.galerie img.an{opacity:1;transform:scale(1)}
.galerie figcaption{position:absolute;left:14px;bottom:14px;display:flex;align-items:center;gap:12px;background:rgba(29,27,25,.82);backdrop-filter:blur(8px);color:#fff;border-radius:99px;padding:8px 18px 8px 8px;font-size:14.5px;font-weight:600}
.galerie figcaption b{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--gold);color:var(--kohle)}
.stufenleiste{display:flex;gap:4px;flex-wrap:wrap}
.stufenleiste a{text-decoration:none;font-size:13px;font-weight:600;padding:6px 12px;border-radius:99px;color:var(--ink2);background:var(--sand)}
.stufenleiste a:first-child{background:none;padding-left:0}
.stufenleiste a:first-child::before{content:"← "}
.stufenleiste a[aria-current]{background:var(--rot);color:#fff}
.stufenleiste a:hover:not([aria-current]){color:var(--ink)}
.stufen{list-style:none;display:flex;flex-direction:column;border-top:1px solid var(--linie)}
.stufen li{border-bottom:1px solid var(--linie)}
.stufen button{width:100%;display:flex;align-items:center;gap:12px;background:none;border:0;padding:clamp(7px,1.3vh,11px) 0;font-size:clamp(15px,2.1vh,17px);font-weight:600;color:var(--ink2);cursor:pointer;text-align:left}
.stufen button b{width:28px;height:28px;flex:none;border-radius:50%;display:grid;place-items:center;background:var(--sand);font-size:13px;transition:background .3s,color .3s}
.stufen p{display:none;font-size:14.5px;color:var(--ink2);padding:0 0 12px 40px}
.stufen li.an button{color:var(--ink)}
.stufen li.an button b{background:var(--rot);color:#fff}
.stufen li.an p{display:block;animation:tauchen .5s var(--weich)}
.fakten{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.fakten div{background:var(--sand);border-radius:14px;padding:12px 14px}
.fakten dt{font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:var(--rot);margin-bottom:3px}
.fakten dd{font-size:13.5px;color:var(--ink)}
.punkte button.unter{width:14px;display:none}
.punkte button.unter.sichtbar{display:block}
.punkte button.unter::before{left:3px;right:3px;height:4px;top:8px;border-radius:50%}

/* Standort */
.bild-karte.gross{height:100%}
.bild-karte .einsatz{position:absolute;top:14px;right:14px;width:30%;height:auto;aspect-ratio:3/4;object-fit:cover;border-radius:16px;border:4px solid var(--weiss);box-shadow:0 12px 30px -10px rgba(0,0,0,.5)}
.status{list-style:none;display:flex;flex-direction:column;border-top:1px solid var(--linie)}
.status li{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:12px 0;border-bottom:1px solid var(--linie);font-weight:600}
.status em{font-style:normal;font-size:12.5px;font-weight:600;padding:5px 12px;border-radius:99px;background:var(--sand);color:var(--ink2);white-space:nowrap}
.legende-status{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink2);flex-wrap:wrap}
.legende-status i{width:10px;height:10px;border-radius:50%;display:inline-block;margin-left:8px}
.legende-status i:first-child{margin-left:0}
.s-bestand{background:#3c8d4f}.s-plan{background:var(--gold)}.s-pilot{background:#3f6fb5}

/* Anwendungen */
.kacheln{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;min-height:0}
.kachel{position:relative;border:0;background:none;padding:0;text-align:left;cursor:pointer;perspective:1200px;min-height:0;border-radius:22px}
.kachel .vorn,.kachel .hinten{position:absolute;inset:0;border-radius:22px;padding:clamp(16px,2.6vh,26px);display:flex;flex-direction:column;gap:10px;backface-visibility:hidden;transition:transform .8s var(--weich)}
.kachel .vorn{background:var(--weiss);border:1px solid var(--linie)}
.kachel .vorn svg{width:48px;height:48px;fill:none;stroke:var(--rot);stroke-width:2;stroke-linejoin:round;stroke-linecap:round;margin-bottom:auto}
.kachel .vorn b{font-size:clamp(18px,2.6vh,22px)}
.kachel .vorn > span{font-size:14.5px;color:var(--ink2)}
.kachel .hinten{background:var(--kohle);color:#f4eee4;transform:rotateY(180deg)}
.kachel .hinten b{color:var(--gold)}
.kachel dl{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:13.5px;margin-top:auto}
.kachel dt{opacity:.6}
.kachel[aria-pressed=true] .vorn{transform:rotateY(-180deg)}
.kachel[aria-pressed=true] .hinten{transform:rotateY(0)}
.kachel:hover .vorn{border-color:var(--ink2)}
.kachel.bild{overflow:hidden;cursor:default;margin:0}
.kachel.bild img{width:100%;height:100%;object-fit:cover;object-position:30% 70%}
.kachel.bild figcaption{position:absolute;left:12px;bottom:12px;background:rgba(29,27,25,.8);color:#fff;font-size:13px;padding:6px 12px;border-radius:99px}
.partner{font-size:14.5px;color:var(--ink2);max-width:110ch}
.partner b{color:var(--ink);margin-right:8px}

/* Wissen */
.faq-liste{display:flex;flex-direction:column;border-top:1px solid var(--linie)}
.faq-liste button{display:flex;justify-content:space-between;align-items:center;gap:12px;text-align:left;background:none;border:0;border-bottom:1px solid var(--linie);padding:clamp(8px,1.4vh,13px) 4px;font-size:clamp(14px,2vh,16px);font-weight:500;cursor:pointer;color:var(--ink2);transition:color .25s,padding .35s var(--weich)}
.faq-liste button::after{content:"";width:8px;height:8px;border:solid currentColor;border-width:2px 2px 0 0;transform:rotate(45deg);opacity:.4;flex:none}
.faq-liste button:hover{color:var(--ink)}
.faq-liste button[aria-selected=true]{color:var(--rot);font-weight:600;padding-left:14px}
.faq-liste button[aria-selected=true]::after{opacity:1}
.faq-antwort{align-self:center;display:flex;flex-direction:column;gap:14px;padding:clamp(24px,5vh,56px);position:relative;overflow:hidden}
.faq-antwort::before{content:attr(data-nr);position:absolute;right:24px;top:-10px;font-size:clamp(90px,18vh,180px);font-weight:800;letter-spacing:-.06em;color:var(--sand);line-height:1;z-index:0}
.faq-antwort > *{position:relative}
.faq-antwort h3{font-size:clamp(24px,4vh,36px);letter-spacing:-.02em}
.faq-antwort .lead{max-width:62ch}
.faq-antwort.neu > *{animation:tauchen .5s var(--weich)}

/* Kontakt */
.raster.kontakt{grid-template-columns:.8fr 1fr 1fr;align-items:center}
.adresse{font-style:normal;display:flex;flex-direction:column;gap:2px;font-size:14.5px;color:var(--ink2);padding-top:14px;border-top:1px solid var(--linie)}
.adresse b{color:var(--ink);font-size:16px}
.formular{display:flex;flex-direction:column;gap:12px}
.formular h3{margin-top:-6px}
.felder{display:grid;grid-template-columns:1fr 1fr;gap:10px 12px}
.felder label{display:flex;flex-direction:column;gap:4px;font-size:12.5px;font-weight:600;color:var(--ink2)}
.felder input,.felder select{height:38px;border:1px solid var(--linie);border-radius:10px;padding:0 12px;background:var(--papier);font-size:14px;font-weight:400;color:var(--ink);transition:border-color .2s,background .2s;min-width:0}
.felder input:focus,.felder select:focus{outline:none;border-color:var(--gold);background:#fff}
.felder .fehlt{border-color:var(--rot);background:#fbeeee}
.haken{display:flex;gap:10px;align-items:center;font-size:13px;color:var(--ink2)}
.haken input{width:16px;height:16px;accent-color:var(--rot)}
.haken.fehlt{color:var(--rot)}
.meldung{font-size:13.5px;min-height:1.2em;font-weight:600}
.meldung.gut{color:#2f7a44}.meldung.schlecht{color:var(--rot)}
.meldung a{color:inherit;text-decoration:underline}
.formular button[disabled]{opacity:.6;cursor:progress}
.hp{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.formular{transition:box-shadow .4s,opacity .6s}
.formular.hervor{box-shadow:0 0 0 3px var(--gold)}
.formular.leise{opacity:.45}

/* Fuß */
.fuss{position:fixed;inset:auto 0 0;height:var(--fuss);display:flex;align-items:center;gap:20px;padding:0 var(--rand);border-top:1px solid var(--linie);background:var(--papier);z-index:20;font-size:13px;color:var(--ink2)}
.punkte{display:flex;gap:6px;margin:0 auto}
.punkte button{width:28px;height:20px;border:0;background:none;cursor:pointer;position:relative}
.punkte button::before{content:"";position:absolute;left:4px;right:4px;top:9px;height:2px;border-radius:2px;background:var(--linie);transition:background .3s}
.punkte button[aria-current]::before{background:var(--rot);left:0;right:0}
.punkte button:hover::before{background:var(--ink2)}
.fuss-r{display:flex;align-items:center;gap:16px}
.fuss-r a{text-decoration:none}
.fuss-r a:hover{color:var(--ink)}
.zaehler{font-variant-numeric:tabular-nums;font-weight:600;color:var(--ink);padding-left:16px;border-left:1px solid var(--linie)}
.pfeil-knopf{width:34px;height:34px;border-radius:50%;border:1px solid var(--linie);background:var(--weiss);display:grid;place-items:center;cursor:pointer;transition:background .2s,border-color .2s}
.pfeil-knopf:hover{border-color:var(--ink);background:var(--ink);color:#fff}
.pfeil-knopf:disabled{opacity:.35;pointer-events:none}

/* Rückweg-Knopf des Starters über die Fußleiste heben */
a[href="/portal"][style*="position:fixed"]{bottom:calc(var(--fuss) + 12px)!important}

/* Rechtliches */
.blatt{position:fixed;inset:0;z-index:40;background:rgba(29,27,25,.5);backdrop-filter:blur(6px);display:grid;place-items:center;padding:clamp(10px,3vh,40px) var(--rand);animation:blende .35s ease}
.blatt[hidden]{display:none}
@keyframes blende{from{opacity:0}}
.blatt-in{position:relative;width:min(1200px,100%);max-height:100%;overflow:auto;background:var(--papier);border-radius:26px;padding:clamp(24px,5vh,56px) clamp(22px,4vw,56px);animation:rein .7s var(--weich)}
.schliessen{position:absolute;top:16px;right:16px;width:44px;height:44px;border-radius:50%;border:1px solid var(--linie);background:var(--weiss);font-size:24px;line-height:1;cursor:pointer}
.schliessen:hover{background:var(--ink);color:#fff}
.recht h2{margin-bottom:24px}
.recht-spalten{columns:3 280px;column-gap:40px}
.recht-spalten section{break-inside:avoid;margin-bottom:20px}
.recht-spalten h3{font-size:14.5px;margin-bottom:6px}
.recht-spalten p{font-size:13.5px;color:var(--ink2)}

/* Mobil */
@media (max-width:1100px){
  .menue a{padding:8px 9px;font-size:14px}
  .kacheln{grid-template-columns:repeat(2,1fr)}
  .raster.kontakt{grid-template-columns:1fr 1fr}
  .raster.kontakt .info{grid-column:1/-1}
  .raster.kontakt .info .lead{display:none}
  .raster.kontakt .adresse{display:none}
}
@media (max-width:860px),(max-height:560px){
  :root{--kopf:60px;--fuss:48px}
  .menue{position:fixed;inset:var(--kopf) 0 var(--fuss);flex-direction:column;justify-content:center;align-items:center;gap:6px;background:var(--papier);opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
  .menue.offen{opacity:1;visibility:visible}
  .menue a{font-size:24px;font-weight:600;color:var(--ink)}
  .burger{display:block}
  .nur-mobil{display:flex;gap:18px;margin-top:18px}
  .nur-mobil a{font-size:15px;font-weight:500;color:var(--ink2)}
  .marke img{height:28px}
  .seite{overflow-y:auto;overscroll-behavior:contain}
  .raster,.raster.zwei,.raster.breit-links,.raster.breit-rechts,.raster.bild-links,.raster.kontakt{display:flex;flex-direction:column;height:auto;min-height:100%;justify-content:center}
  .kopfzeile{grid-template-columns:1fr;gap:10px}
  .bild-karte{height:auto;aspect-ratio:4/3;flex:none}
  #waerme .bild-karte{aspect-ratio:auto}
  #waerme .bild-karte img{position:absolute;inset:0;opacity:.25}
  #waerme .bild-karte figcaption{position:relative;inset:auto;margin:14px}
  .fragen{grid-template-columns:repeat(2,1fr)}
  .kriterien{grid-template-columns:1fr 1fr}
  .flussbild{grid-template-columns:1fr;gap:10px}
  .zusammen{height:30px;transform:rotate(90deg);width:30px;margin:0 auto}
  .zusammen:not(.kurz){display:none}
  .kacheln{grid-template-columns:1fr}
  .bausteine{grid-template-columns:1fr}
  .baustein{min-height:210px;padding-top:64px}
  .baustein em{flex-direction:row}
  .raster.aufb{display:flex}
  .galerie{flex:none;aspect-ratio:4/3}
  .fakten{grid-template-columns:1fr}
  .kachel{min-height:190px}
  .kachel.bild{min-height:220px}
  .split{flex-direction:column}
  .naht{transform:rotate(90deg);left:50%!important}
  .teil{padding:24px var(--rand)}
  .teil:hover{flex-grow:1}
  .teil-waerme .teil-in{margin-left:0}
  .teil-text{display:none}
  .fuss .copy,.fuss-r a,.zaehler{display:none}
  .fuss{gap:10px}
  .fuss-r{gap:8px}
  .punkte button{width:18px}
  .punkte button.unter{width:12px}
  .punkte{margin:0;gap:0}
  .fuss-r{margin-left:auto}
  .felder{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-delay:0s!important;transition-duration:.01ms!important}
}