/* ============================================================
   MATRIXKERN — Gestaltung
   Markenwelt aus Kanalbild und Banner: Schwarz, Gold,
   ein grüner und ein roter Nebenton für Evidenzstufen.
   ============================================================ */

/* Eigene Schriften, lokal ausgeliefert — keine Verbindung zu Google oder
   einem anderen Dienst, deshalb auch kein Einwilligungsbanner nötig.
   Gabarito trägt die Überschriften, Onest den Fließtext,
   JetBrains Mono die kleinen Beschriftungen. */
@font-face{
  font-family:"Gabarito";
  src:url("schrift/Gabarito.woff2") format("woff2");
  font-weight:100 900; font-style:normal; font-display:swap;
}
@font-face{
  font-family:"Onest";
  src:url("schrift/Onest.woff2") format("woff2");
  font-weight:100 900; font-style:normal; font-display:swap;
}
@font-face{
  font-family:"JetBrains Mono";
  src:url("schrift/JetBrainsMono.woff2") format("woff2");
  font-weight:100 900; font-style:normal; font-display:swap;
}

:root{
  color-scheme:dark;
  --nacht:#09080A; --flaeche:#131110; --flaeche-2:#1B1815;
  --hell:#EDE7DB; --matt:#948B7B;
  --gold:#F2A93B; --gold-tief:#B87A18;
  --gruen:#7D9A62; --rot:#C4643C;
  --sans:"Onest",system-ui,-apple-system,"Segoe UI",sans-serif;
  --display:"Gabarito","Onest",system-ui,sans-serif;
  --mono:"JetBrains Mono","Cascadia Mono","SF Mono",Consolas,monospace;
}

/* Überschriften und Auszeichnungen tragen Gabarito */
h1,h2,h3,h4,
.wm span,.marke b,.gross,.starten,.zahlen .n{
  font-family:var(--display);
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body.kern{
  margin:0;background:var(--nacht);color:var(--hell);
  font-family:var(--sans);font-size:16px;line-height:1.55;
}
h1,h2,h3,h4,p,ul,figure{margin:0;}
ul{list-style:none;padding:0;}
a{text-decoration:none;color:inherit;}
img{display:block;max-width:100%;height:auto;}
button{font:inherit;}
[data-vid]{cursor:pointer;}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px;}

.huelle{max-width:1240px;margin:0 auto;padding:0 clamp(16px,4vw,44px);}

/* ---------- Kopf mit Bannerband ---------- */
.banner{position:relative;overflow:hidden;}
.navband{
  position:absolute;top:0;left:0;right:0;z-index:6;
  background:linear-gradient(to bottom,rgba(9,8,10,.86) 0%,rgba(9,8,10,.42) 62%,rgba(9,8,10,0) 100%);
  padding-bottom:26px;
}
.nav{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;padding-top:clamp(14px,2vw,20px);}
.wm{display:flex;align-items:center;gap:11px;}
.wm img{width:28px;height:28px;border-radius:50%;}
.wm span{font-size:14px;font-weight:700;letter-spacing:.2em;}
.wm span i{font-style:normal;color:var(--gold);}
.nav ul{display:flex;gap:24px;font-size:13.5px;color:#CFC7B8;}
.nav a{transition:color .16s ease;}
.nav a:hover,.nav a.on{color:var(--gold);}
.nav-schalter{
  display:none;border:1px solid rgba(237,231,219,.22);background:rgba(9,8,10,.62);
  color:var(--hell);border-radius:100px;padding:7px 14px;cursor:pointer;
  font-family:var(--sans);font-size:13px;font-weight:600;
}
.nav-schalter:hover,.nav-schalter[aria-expanded="true"]{
  border-color:rgba(242,169,59,.7);color:var(--gold);background:rgba(9,8,10,.88);
}
.banner .bild{width:100%;aspect-ratio:4.4/1;background-size:cover;background-position:center 52%;background-color:#0C0B0D;}
.banner .kante{
  position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(to bottom,rgba(9,8,10,.42) 0%,rgba(9,8,10,.06) 34%,rgba(9,8,10,.10) 60%,rgba(9,8,10,.72) 92%,var(--nacht) 100%),
    linear-gradient(to right,var(--nacht) 0%,rgba(9,8,10,0) 11%,rgba(9,8,10,0) 89%,var(--nacht) 100%);
}
@media (max-width:900px){ .banner .bild{aspect-ratio:3.2/1;} }
@media (max-width:600px){ .banner .bild{aspect-ratio:2.3/1;} }

/* ---------- Kopfbereich ---------- */
.hero{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:clamp(22px,3.6vw,52px);align-items:center;padding:clamp(22px,3.4vw,44px) 0 clamp(28px,4vw,50px);}
.hero h1{font-size:clamp(26px,4.2vw,46px);line-height:1.05;font-weight:700;letter-spacing:-.022em;text-wrap:balance;}
.hero h1 em{font-style:normal;color:var(--gold);}
.hero .unter{margin-top:18px;font-size:clamp(14.5px,1.6vw,17.5px);line-height:1.6;color:#BDB4A4;max-width:46ch;}
.hero .fuss{display:flex;gap:9px;flex-wrap:wrap;margin-top:22px;font-size:13px;}
.hero .fuss span{background:rgba(237,231,219,.07);border:1px solid rgba(237,231,219,.10);color:#C0B7A6;padding:6px 14px;border-radius:100px;}
.hero .fuss span.hot{background:var(--gold);border-color:var(--gold);color:#1A1002;font-weight:600;}

.signet{position:relative;width:100%;max-width:250px;aspect-ratio:1;justify-self:center;}
.signet canvas{position:absolute;inset:0;width:100%;height:100%;}
.signet .kanal{position:absolute;inset:20%;border-radius:50%;box-shadow:0 0 0 1px rgba(242,169,59,.26),0 0 54px -6px rgba(242,169,59,.34);}
.signet .kanal img{width:100%;height:100%;border-radius:50%;}

/* ---------- Analysiertes Quellmaterial ---------- */
.analysiert{
  display:flex;align-items:baseline;gap:10px 22px;flex-wrap:wrap;
  padding:16px 0 2px;border-top:1px solid rgba(237,231,219,.09);
  font-size:14px;color:var(--matt);
}
.analysiert b{
  font-family:var(--mono);font-size:10px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--gold-tief);font-weight:500;
  margin-right:4px;
}
.analysiert span{white-space:nowrap;font-variant-numeric:tabular-nums;color:var(--hell);}
.analysiert span i{font-style:normal;color:var(--matt);}
.analysiert small{flex-basis:100%;font-size:11.5px;color:var(--matt);line-height:1.5;}
@media (max-width:600px){
  .analysiert{gap:8px 16px;font-size:13.5px;}
  .analysiert b{flex-basis:100%;margin-bottom:2px;}
}

/* ---------- Rubrikleiste ---------- */
.rubrikleiste{display:flex;gap:8px;flex-wrap:wrap;padding:clamp(20px,2.8vw,32px) 0 clamp(20px,2.6vw,30px);}
.rubrikleiste a{display:flex;align-items:baseline;gap:9px;background:var(--flaeche);border:1px solid transparent;padding:9px 16px;border-radius:100px;font-size:13.5px;transition:border-color .18s ease,background .18s ease;}
.rubrikleiste a:hover{border-color:rgba(242,169,59,.45);background:var(--flaeche-2);}
.rubrikleiste a.alle{background:var(--gold);color:#1A1002;font-weight:600;}
.rubrikleiste a b{font-weight:500;}
.rubrikleiste a em{font-style:normal;font-family:var(--mono);font-size:10px;letter-spacing:.08em;color:var(--matt);}
.rubrikleiste a.alle em{color:rgba(26,16,2,.62);}

/* ---------- Abschnittsmarke ---------- */
.marke{display:flex;align-items:baseline;gap:14px;margin-bottom:clamp(14px,1.8vw,20px);}
.marke b{font-size:15.5px;letter-spacing:0;color:var(--gold);font-weight:700;}
.marke i{flex:1;height:1px;background:rgba(237,231,219,.11);align-self:center;}
.marke .mehr{font-size:13px;color:var(--matt);white-space:nowrap;transition:color .16s ease;}
.marke .mehr:hover{color:var(--gold);}

/* ---------- Vorschaubild und Abspielknopf ---------- */
.abb,.mini{position:relative;overflow:hidden;background:#0F0D0C;}
.abb img,.mini img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.3,1);}
.play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(9,8,10,0);transition:background .22s ease;}
.play::after{
  content:"";display:block;width:clamp(44px,4.4vw,62px);aspect-ratio:1;border-radius:50%;
  background:rgba(9,8,10,.62) center/34% no-repeat
    url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23F2A93B' d='M8 5.6v12.8L19 12z'/%3E%3C/svg%3E");
  border:1px solid rgba(242,169,59,.42);transform:scale(.94);
  transition:transform .22s ease,background-color .22s ease;
}
a:hover .play{background:rgba(9,8,10,.24);}
a:hover .play::after{transform:scale(1.04);background-color:rgba(9,8,10,.82);}
a:hover .abb img,a:hover .mini img{transform:scale(1.04);}
.mini .play::after{width:22px;background-size:38%;}
.laufzeit{position:absolute;right:11px;bottom:11px;background:rgba(9,8,10,.84);color:var(--hell);font-family:var(--mono);font-size:10px;letter-spacing:.06em;padding:4px 8px;border-radius:4px;}

/* ---------- Aufmacher ---------- */
.aufmacher{display:grid;grid-template-columns:minmax(0,1.42fr) minmax(0,1fr);gap:clamp(16px,2.4vw,32px);align-items:stretch;}
.aufmacher .abb{border-radius:6px;aspect-ratio:16/9;}
.aufmacher .txt{background:var(--flaeche);border-radius:6px;padding:clamp(18px,2.4vw,30px);display:flex;flex-direction:column;gap:12px;justify-content:center;}
.aufmacher .rub{font-size:12.5px;letter-spacing:.02em;color:var(--gold);}
.aufmacher h2{font-size:clamp(20px,2.6vw,29px);line-height:1.16;font-weight:700;letter-spacing:-.018em;text-wrap:balance;}
.aufmacher .txt p{font-size:14.5px;line-height:1.58;color:var(--matt);}
.aufmacher .leiste{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:4px;padding-top:15px;border-top:1px solid rgba(237,231,219,.09);}
.starten{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--gold);color:#1A1002;font-weight:600;font-size:13.5px;
  padding:9px 17px;border-radius:100px;transition:background .18s ease;
}
.aufmacher:hover .starten{background:#FFBE5C;}
.dauer{font-size:12.5px;color:var(--matt);font-variant-numeric:tabular-nums;}

/* ---------- Rubrikblock ---------- */
.rubrik{padding-top:clamp(30px,4vw,50px);}
.rblock{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:clamp(16px,2.4vw,30px);align-items:start;}
/* Rubrik mit nur einer Untersuchung: keine leere zweite Spalte */
.rblock.allein{grid-template-columns:minmax(0,1fr);max-width:640px;}
.neuest{background:var(--flaeche);border-radius:6px;overflow:hidden;transition:background .2s ease;}
.neuest:hover{background:var(--flaeche-2);}
.neuest .abb{aspect-ratio:16/9;}
.neuest .body{padding:clamp(15px,1.9vw,21px);display:flex;flex-direction:column;gap:9px;}
.neuest .datum{font-family:var(--mono);font-size:9.5px;letter-spacing:.12em;color:var(--gold-tief);}
.neuest h3{font-size:19px;line-height:1.24;font-weight:700;letter-spacing:-.015em;text-wrap:balance;}
.neuest p{font-size:13.5px;line-height:1.5;color:var(--matt);}
.neuest .kfuss{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;padding-top:12px;margin-top:2px;border-top:1px solid rgba(237,231,219,.08);font-family:var(--mono);font-size:9.5px;letter-spacing:.07em;color:var(--matt);font-variant-numeric:tabular-nums;}

.aelter{display:flex;flex-direction:column;gap:3px;}
.zeile{background:var(--flaeche);border-radius:6px;padding:13px 15px;display:grid;grid-template-columns:74px 1fr;gap:14px;align-items:center;transition:background .18s ease;}
.zeile:hover{background:var(--flaeche-2);}
.zeile .mini{width:74px;height:44px;border-radius:4px;}
.zeile .zt{display:flex;flex-direction:column;gap:5px;min-width:0;}
.zeile h4{font-size:14.5px;line-height:1.32;font-weight:600;letter-spacing:-.008em;}
.zeile .zm{display:flex;gap:12px;align-items:center;flex-wrap:wrap;font-family:var(--mono);font-size:9px;letter-spacing:.09em;color:var(--matt);font-variant-numeric:tabular-nums;}
.leerhinweis{border:1px dashed rgba(237,231,219,.14);border-radius:6px;padding:16px 15px;font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:var(--matt);line-height:1.7;}
.alleslink{margin-top:3px;border:1px dashed rgba(237,231,219,.16);border-radius:6px;padding:14px 15px;font-family:var(--mono);font-size:10px;letter-spacing:.11em;color:var(--matt);text-align:center;transition:border-color .18s ease,color .18s ease;}
.alleslink:hover{border-color:rgba(242,169,59,.5);color:var(--gold);}

/* ---------- Rubrikseite ---------- */
.filterkopf{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;padding:clamp(20px,3vw,34px) 0 clamp(16px,2vw,24px);}
.filterkopf h1{font-size:clamp(23px,3.2vw,34px);font-weight:700;letter-spacing:-.02em;}
.filterkopf span{font-size:13.5px;color:var(--matt);}
.filterkopf .zurueck{font-size:13.5px;color:var(--gold);margin-left:auto;}
.rubrikliste{display:grid;grid-template-columns:repeat(auto-fill,minmax(268px,1fr));gap:clamp(14px,2vw,22px);padding-bottom:clamp(20px,3vw,36px);}
.listenkarte{background:var(--flaeche);border-radius:6px;overflow:hidden;display:flex;flex-direction:column;transition:background .2s ease,transform .2s ease;}
.listenkarte:hover{background:var(--flaeche-2);transform:translateY(-3px);}
.listenkarte .abb{aspect-ratio:16/9;}
.listenkarte .body{padding:clamp(15px,1.8vw,20px);display:flex;flex-direction:column;gap:8px;}
.listenkarte .datum{font-family:var(--mono);font-size:9.5px;letter-spacing:.12em;color:var(--gold-tief);}
.listenkarte h3{font-size:17.5px;line-height:1.26;font-weight:700;letter-spacing:-.014em;text-wrap:balance;}
.listenkarte p{font-size:13.5px;line-height:1.5;color:var(--matt);}

/* ---------- Eigene Untersuchungsseite ---------- */
.videoseite{padding-top:clamp(20px,3vw,34px);}
.brotpfad{
  display:flex;gap:9px;align-items:center;flex-wrap:wrap;
  font-family:var(--mono);font-size:10px;letter-spacing:.08em;color:var(--matt);
  margin-bottom:clamp(22px,3vw,36px);
}
.brotpfad a{transition:color .16s ease;}
.brotpfad a:hover{color:var(--gold);}
.brotpfad span{color:rgba(237,231,219,.28);}
.videokopf{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,.92fr);
  gap:clamp(24px,4vw,58px);align-items:center;padding-bottom:clamp(30px,4vw,50px);
}
.videoeinordnung{display:flex;flex-direction:column;gap:16px;}
.videometadaten{display:flex;gap:9px 17px;flex-wrap:wrap;font-family:var(--mono);font-size:10px;letter-spacing:.08em;color:var(--matt);}
.videometadaten span:first-child{color:var(--gold);}
.videoeinordnung h1{font-size:clamp(28px,4.2vw,48px);line-height:1.06;font-weight:700;letter-spacing:-.025em;text-wrap:balance;}
.videoeinordnung > p{max-width:62ch;font-size:clamp(14.5px,1.5vw,17px);line-height:1.65;color:#BDB4A4;}
.videoaufzeichnung{
  display:flex;flex-direction:column;background:var(--flaeche);border-radius:6px;
  overflow:hidden;transition:background .2s ease,transform .2s ease;
}
.videoaufzeichnung:hover{background:var(--flaeche-2);transform:translateY(-2px);}
.videoaufzeichnung .abb{aspect-ratio:16/9;}
.video-cta{
  align-self:flex-start;margin:14px 16px 16px;background:var(--gold);color:#1A1002;
  font-family:var(--display);font-weight:650;font-size:13.5px;padding:9px 17px;border-radius:100px;
}
.videoinhalt{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(250px,330px);
  gap:clamp(32px,5vw,70px);align-items:start;
  border-top:1px solid rgba(237,231,219,.10);padding-top:clamp(28px,4vw,48px);
}
.videohaupt{min-width:0;}
.videohaupt section{padding-bottom:clamp(28px,4vw,44px);}
.videohaupt section + section{border-top:1px solid rgba(237,231,219,.08);padding-top:clamp(26px,3.5vw,38px);}
.videohaupt h2,.verwandt h2{font-size:clamp(20px,2.2vw,26px);line-height:1.2;font-weight:700;letter-spacing:-.016em;margin-bottom:18px;}
.kernaussagen{display:flex;flex-direction:column;gap:13px;}
.kernaussagen li{display:grid;grid-template-columns:18px 1fr;gap:11px;color:#C9C0B2;line-height:1.62;}
.kernaussagen li::before{content:"";width:12px;height:1px;background:var(--gold);margin-top:.78em;}
.kapitel{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;}
.kapitel li{display:grid;grid-template-columns:76px 1fr;gap:14px;padding:10px 0;border-bottom:1px solid rgba(237,231,219,.07);}
.kapitel time{font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--gold-tief);}
.kapitel span{font-size:14px;color:#C9C0B2;}
.quellenliste{display:flex;flex-direction:column;gap:3px;}
.quellenliste a{display:flex;justify-content:space-between;align-items:baseline;gap:18px;padding:12px 14px;background:var(--flaeche);border-radius:5px;transition:background .16s ease;}
.quellenliste a:hover{background:var(--flaeche-2);}
.quellenliste span{font-size:13.5px;line-height:1.45;color:#D2C9BA;overflow-wrap:anywhere;}
.quellenliste small{flex:none;font-family:var(--mono);font-size:9px;letter-spacing:.05em;color:var(--matt);}
.quellenhinweis{font-size:14.5px;line-height:1.65;color:var(--matt);}
.quellenhinweis a{color:var(--gold);text-decoration:underline;text-underline-offset:3px;}
.verwandt{position:sticky;top:24px;}
.verwandt > a{
  display:grid;grid-template-columns:92px 1fr;gap:13px;align-items:center;
  padding:12px 0;border-bottom:1px solid rgba(237,231,219,.08);
}
.verwandt .mini{width:92px;height:54px;border-radius:4px;}
.verwandt > a > span{display:flex;flex-direction:column;gap:7px;min-width:0;}
.verwandt b{font-family:var(--display);font-size:13.5px;line-height:1.35;font-weight:650;}
.verwandt small{font-family:var(--mono);font-size:9px;letter-spacing:.07em;color:var(--matt);}

/* ---------- Textseiten: Impressum, Datenschutz, 404 ---------- */
.rechtstext{
  max-width:68ch;
  padding:clamp(24px,4vw,44px) 0 clamp(30px,4vw,50px);
  font-size:16px;line-height:1.68;
}
.rechtstext h1{
  font-size:clamp(27px,4vw,40px);font-weight:700;letter-spacing:-.022em;
  margin-bottom:clamp(18px,2.4vw,28px);
}
.rechtstext h2{
  font-size:19px;font-weight:700;letter-spacing:-.012em;color:var(--gold);
  margin:clamp(26px,3vw,36px) 0 10px;
}
.rechtstext p{margin-bottom:15px;color:#C6BEB0;}
.rechtstext strong{color:var(--hell);font-weight:600;}
.rechtstext a{color:var(--gold);text-decoration:underline;text-underline-offset:3px;}
.rechtstext a:hover{color:#FFBE5C;}
.rechtstext .zurueck-knopf{
  display:inline-block;margin-top:8px;background:var(--gold);color:#1A1002;
  font-weight:600;padding:11px 20px;border-radius:100px;text-decoration:none;
}
.rechtstext .zurueck-knopf:hover{background:#FFBE5C;color:#1A1002;}

/* Offene Lücken sichtbar machen — damit nichts unfertig online geht */
.luecken-warnung{
  background:rgba(196,100,60,.14);border:1px solid rgba(196,100,60,.45);
  border-radius:6px;padding:14px 17px;margin-bottom:26px;
  font-size:14.5px;line-height:1.55;color:#E6A184;
}
.luecken-warnung b{color:#FFB995;display:block;margin-bottom:3px;}
.luecken-warnung code{font-family:var(--mono);font-size:12.5px;color:var(--hell);}
.rechtstext mark.luecke{
  background:rgba(196,100,60,.22);color:#F0A883;
  padding:1px 6px;border-radius:3px;font-family:var(--mono);font-size:13px;
}

/* ---------- Rechtszeile im Fuß ---------- */
.rechtszeile{
  flex-basis:100%;display:flex;gap:20px;flex-wrap:wrap;align-items:center;
  margin-top:clamp(20px,2.6vw,30px);padding-top:18px;
  border-top:1px solid rgba(237,231,219,.07);
  font-size:13.5px;color:var(--matt);
}
.rechtszeile a{transition:color .16s ease;}
.rechtszeile a:hover{color:var(--gold);}
.rechtszeile span{margin-left:auto;font-family:var(--mono);font-size:11px;letter-spacing:.08em;}
@media (max-width:600px){ .rechtszeile span{margin-left:0;flex-basis:100%;} }

/* ---------- Fuß ---------- */
.schluss{margin-top:clamp(40px,6vw,74px);padding-top:clamp(26px,3.4vw,44px);padding-bottom:clamp(30px,4vw,54px);border-top:1px solid rgba(237,231,219,.09);display:flex;justify-content:space-between;gap:26px;flex-wrap:wrap;align-items:flex-start;}
.schluss .sp{max-width:46ch;display:flex;flex-direction:column;gap:11px;}
.schluss h3{font-size:19.5px;font-weight:700;letter-spacing:-.012em;}
.schluss p{font-size:14px;color:var(--matt);line-height:1.6;}
.schluss .regeln{display:flex;flex-direction:column;gap:10px;font-size:14px;line-height:1.5;color:var(--matt);max-width:44ch;}
.schluss .regeln li{display:flex;gap:11px;align-items:baseline;}
.schluss .regeln li::before{content:"";flex:none;width:14px;height:1px;background:var(--gold-tief);transform:translateY(-4px);}

/* ---------- Wiedergabefenster ---------- */
.kern-buehne{position:fixed;inset:0;z-index:9999;background:rgba(6,5,7,.9);display:none;align-items:center;justify-content:center;padding:clamp(14px,3vw,40px);}
.kern-buehne.an{display:flex;}
.kern-buehne .fenster{width:min(1060px,100%);display:flex;flex-direction:column;gap:14px;}
/* Die Breite wird aus der verfügbaren Höhe abgeleitet, damit das Bild auf
   flachen Bildschirmen schmaler statt gequetscht wird.
   flex:0 0 auto ist nötig, sonst staucht der Flex-Container die Höhe
   und das Seitenverhältnis geht verloren. */
.kern-buehne .rahmen{
  position:relative;aspect-ratio:16/9;
  width:100%;max-width:calc((100vh - 210px) * 16 / 9);
  flex:0 0 auto;margin-inline:auto;
  background:#0B0A0C;border:1px solid rgba(242,169,59,.2);border-radius:6px;overflow:hidden;
}
.kern-buehne .rahmen.wartet-auf-freigabe{aspect-ratio:auto;min-height:min(430px,calc(100vh - 270px));}
/* Der Einhänge-Punkt muss die volle Fläche haben — sonst hat das iframe
   keinen Bezug für height:100% und fällt auf 150px zurück. */
.kern-buehne .rahmen > div{position:absolute;inset:0;}
.kern-buehne .rahmen iframe{width:100%;height:100%;border:0;display:block;}
.kern-buehne .youtube-freigabe{display:grid;place-items:center;padding:clamp(18px,4vw,54px);overflow:auto;background:radial-gradient(circle at 50% 25%,rgba(242,169,59,.08),transparent 52%),#0B0A0C;}
.youtube-freigabe-inhalt{width:min(680px,100%);display:flex;flex-direction:column;align-items:flex-start;gap:clamp(10px,1.8vw,18px);}
.youtube-freigabe-inhalt strong{font-size:clamp(18px,2.6vw,28px);line-height:1.2;letter-spacing:-.015em;}
.youtube-freigabe-inhalt strong:focus-visible{outline:2px solid var(--gold);outline-offset:6px;}
.youtube-freigabe-inhalt p{font-size:clamp(13px,1.6vw,16px);line-height:1.65;color:var(--matt);}
.youtube-freigabe-aktionen{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.youtube-freigabe-aktionen a{font-size:13px;color:var(--gold);text-decoration:underline;text-underline-offset:3px;}
.youtube-freigabe-aktionen a:hover{color:#FFBE5C;}
.kern-buehne .kopfzeile{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;flex-wrap:wrap;}
.kern-buehne h4{font-size:clamp(16px,2vw,21px);font-weight:700;letter-spacing:-.014em;max-width:60ch;line-height:1.25;}
.kern-buehne .knoepfe{display:flex;gap:9px;flex-wrap:wrap;}
.kern-buehne .knopf{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;padding:9px 17px;border-radius:100px;cursor:pointer;border:1px solid rgba(237,231,219,.2);background:transparent;color:var(--hell);transition:border-color .18s ease,background .18s ease;}
.kern-buehne .knopf:hover{border-color:rgba(242,169,59,.6);background:rgba(242,169,59,.1);}
.kern-buehne .knopf.jt{background:var(--gold);border-color:var(--gold);color:#1A1002;font-weight:600;}
.kern-buehne .knopf.jt:hover{background:#FFBE5C;}
.kern-buehne .datenschutz{font-size:12.5px;color:#8B8375;line-height:1.6;}

@media (max-width:900px){
  .hero{grid-template-columns:1fr;}
  .signet{order:-1;max-width:170px;justify-self:start;}
  .aufmacher,.rblock{grid-template-columns:1fr;}
  .videokopf{grid-template-columns:1fr;}
  .videoaufzeichnung{max-width:720px;}
}
@media (max-width:700px){
  .videoinhalt{grid-template-columns:1fr;}
  .verwandt{position:static;}
}
@media (max-width:600px){
  .banner{overflow:visible;}
  .navband{padding-bottom:10px;background:linear-gradient(to bottom,rgba(9,8,10,.96),rgba(9,8,10,.72));}
  .nav{position:relative;flex-wrap:nowrap;padding-top:12px;}
  .nav-schalter{display:inline-flex;align-items:center;justify-content:center;}
  .nav ul{
    display:none;position:absolute;z-index:20;top:calc(100% + 9px);right:0;
    width:min(280px,calc(100vw - 32px));padding:7px;gap:0;flex-direction:column;
    background:rgba(19,17,16,.98);border:1px solid rgba(242,169,59,.26);
    border-radius:7px;box-shadow:0 18px 50px rgba(0,0,0,.45);font-size:13.5px;
  }
  .nav ul.offen{display:flex;}
  .nav li a{display:block;padding:10px 11px;border-radius:4px;}
  .nav li a:hover,.nav li a.on{background:rgba(242,169,59,.09);}
  .banner .bild{aspect-ratio:2.3/1;}
  .videoeinordnung h1{font-size:clamp(27px,9vw,38px);}
  .videokopf{gap:24px;}
  .kapitel li{grid-template-columns:64px 1fr;}
  .quellenliste a{flex-direction:column;gap:5px;align-items:flex-start;}
  .kern-buehne .rahmen{max-width:100%;}
  .kern-buehne .youtube-freigabe{place-items:start;padding:18px;}
  .youtube-freigabe-aktionen{align-items:flex-start;flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){ *{animation:none !important;transition:none !important;} }