/* Videoseite im Aufbau der Mehr-Geschäft-Workshopseite (20.10.2026).
   Wechsel dunkel/hell je Abschnitt, Glaskarten auf Tiefpetrol, Akzent Gold statt Rot.
   Nur Systemschrift, keine externen Dateien. */
/* Alles in em: Schrift, Spalten und Abstände wachsen mit der Bildschirmbreite (Ariel 20.10.2026: große Monitore). */
.vortrag{--vt-dunkel:#0f2b3a;--vt-dunkel2:#17394a;--vt-hell:#f3f7fb;font-size:clamp(19px,calc(12px + .62vw),30px);background:var(--vt-hell)}
.vortrag .vt-in{max-width:70em;margin:0 auto;padding:0 16px}
@media(min-width:760px){.vortrag .vt-in{padding:0 2em}}
.vortrag .vt-schmal{max-width:48em}
.vt-c{text-align:center}
.vt-dunkel{background:var(--vt-dunkel);color:#fff;position:relative;overflow:hidden;padding:3.5em 0}
.vt-dunkel::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:44px 44px}
.vt-dunkel::after{content:"";position:absolute;inset:auto -20% -40% -20%;height:70%;pointer-events:none;
  background:radial-gradient(ellipse at center,rgba(46,123,154,.35),transparent 65%)}
.vt-dunkel > .vt-in{position:relative;z-index:1}
.vt-hell{background:var(--vt-hell);padding:3.5em 0}
.vt-hell.vt-alt{background:#fff}
@media(min-width:760px){.vt-dunkel,.vt-hell{padding:4.8em 0}}

/* Typo */
.vortrag h1{color:#fff;font-size:clamp(30px,7.4vw,3.15em);font-weight:800;line-height:1.08;text-align:center;max-width:19em;margin:.35em auto .4em;text-wrap:balance;letter-spacing:-.015em}
.vortrag h1 strong,.vt-gold{color:var(--gold)}
.vt-lead{font-size:1.18em;color:rgba(255,255,255,.82);text-align:center;max-width:44em;margin:0 auto 2.2em;line-height:1.55;text-wrap:balance}
.vt-h2{font-size:clamp(25px,6vw,2.15em);font-weight:800;line-height:1.15;margin:0 0 .45em;text-wrap:balance}
.vt-hell .vt-h2{color:var(--vt-dunkel2)}
.vt-dunkel .vt-h2,.vt-dunkel h3,.vt-h3{color:#fff}
.vt-h2 strong{color:var(--petrol-hell)}
.vt-dunkel .vt-h2 strong{color:var(--gold)}
.vt-h3{font-size:1.5em;font-weight:800;margin:0 0 .6em}
.vt-sub{color:#4a5b68;max-width:40em;margin:0 auto 2em;font-size:1.08em;text-wrap:balance}
.vt-dunkel .vt-sub{color:rgba(255,255,255,.7)}
.vt-mute{color:rgba(255,255,255,.7);font-size:1em}
.vt-leise{color:rgba(255,255,255,.65);margin-top:36px;line-height:1.7}
.vt-leise b{color:#fff}
.vt-fett{font-weight:700;margin-top:28px}
.vt-eyebrow{font-size:.85em;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--mute);margin:0 0 .4em}

/* Kopf */
.vt-hero{padding-top:2.2em}
.vt-logo{display:block;width:max-content;margin:0 auto 1.4em}
.vt-logo img{height:2.6em;width:auto}
.vt-pille{display:block;width:max-content;max-width:100%;margin:0 auto;background:var(--gold);color:var(--vt-dunkel);font-weight:800;font-size:.88em;letter-spacing:.12em;text-transform:uppercase;padding:.6em 1.2em;border-radius:999px;box-shadow:0 0 28px rgba(250,207,57,.35);text-align:center}
.vt-zwei{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:900px){.vt-zwei{grid-template-columns:1fr 1fr;gap:2.4em}}
.vt-karte{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);border-radius:18px;padding:1.5em}
@media(min-width:760px){.vt-karte{padding:2em}}
.vt-karte h2{color:#fff;font-size:1.45em;font-weight:800;line-height:1.25;margin:0 0 .5em}
.vt-karte h2 strong{color:var(--gold)}
.vt-info{list-style:none;padding:0;margin:20px 0 0}
.vt-info li{display:flex;gap:14px;align-items:center;margin:0 0 14px;color:#fff}
.vt-ico{flex:0 0 38px;height:38px;border-radius:10px;background:rgba(250,207,57,.14);color:var(--gold);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800}
.vt-trenn{border-top:1px solid rgba(255,255,255,.13);padding-top:16px;margin-top:20px}
.vt-karte-form{box-shadow:0 20px 60px rgba(250,207,57,.08)}
.vt-karte-form .formular{background:#fff;color:var(--text);border-top:0;border-radius:6px;padding:22px}
.vt-karte-form .formular .einwilligung{font-size:.88em}
.vortrag .formular .knopf{background:var(--gold);color:var(--vt-dunkel);font-size:1.05em;padding:1em 1.2em;border-radius:999px;box-shadow:0 8px 24px rgba(250,207,57,.35)}
.vt-mini{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 18px;font-size:.92em;color:rgba(255,255,255,.7);margin:16px 0 0}
.vt-mini span::before{content:"✓ ";color:var(--gold);font-weight:800}

/* Video-Vorschau im Stil eines Online-Players */
.vt-player{position:relative;display:block;max-width:54em;margin:0 auto;border-radius:16px;overflow:hidden;background:#000;
  box-shadow:0 24px 60px rgba(15,43,58,.28);cursor:pointer;aspect-ratio:16/9}
.vt-player > img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease,filter .3s}
.vt-player:hover > img{transform:scale(1.015);filter:brightness(.9)}
.vt-play{position:absolute;left:50%;top:50%;width:5em;transform:translate(-50%,-50%);transition:transform .2s}
.vt-play svg{width:100%;height:auto;display:block;filter:drop-shadow(0 6px 18px rgba(0,0,0,.45))}
.vt-play-grund{fill:var(--gold);fill-opacity:.95}
.vt-player:hover .vt-play{transform:translate(-50%,-50%) scale(1.08)}
.vt-titelzeile{position:absolute;left:0;right:0;top:0;display:flex;align-items:center;gap:.7em;padding:.9em 1em 2.2em;
  background:linear-gradient(rgba(0,0,0,.65),transparent);color:#fff;font-weight:600;font-size:clamp(13px,1.8vw,1.05em);text-align:left}
.vt-titelzeile img{width:2.1em;height:2.1em;border-radius:50%;background:var(--vt-dunkel);padding:5px;flex:0 0 auto}
.vt-leiste{position:absolute;left:0;right:0;bottom:0;padding:34px 14px 8px;background:linear-gradient(transparent,rgba(0,0,0,.75))}
.vt-fortschritt{position:relative;display:block;height:4px;background:rgba(255,255,255,.3);border-radius:2px;margin:0 2px 8px}
.vt-gesehen{position:absolute;left:0;top:0;bottom:0;width:0.6%;background:var(--gold);border-radius:2px}
.vt-punkt{position:absolute;left:0.6%;top:50%;width:13px;height:13px;background:var(--gold);border-radius:50%;transform:translate(-50%,-50%)}
.vt-marke{position:absolute;top:0;bottom:0;width:3px;background:rgba(0,0,0,.6)}
.vt-steuer{display:flex;align-items:center;gap:.8em;color:#fff;font-size:clamp(11px,1.5vw,.8em)}
.vt-steuer svg{width:1.75em;height:1.75em;fill:#fff;flex:0 0 auto}
.vt-zeit{font-variant-numeric:tabular-nums;white-space:nowrap}
.vt-kap{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;opacity:.9;min-width:0}
.vt-rechts{margin-left:auto;display:flex;gap:14px}
@media(max-width:600px){.vt-play{width:66px}.vt-steuer{gap:9px}.vt-steuer svg{width:19px;height:19px}.vt-kap,.vt-rechts svg:first-child{display:none}.vt-titelzeile img{width:28px;height:28px}}

.vt-kapitel{display:grid;grid-template-columns:repeat(2,1fr);gap:.8em;max-width:54em;margin:1.4em auto 0}
@media(min-width:760px){.vt-kapitel{grid-template-columns:repeat(4,1fr)}}
.vt-kapitelkarte{text-decoration:none;color:var(--vt-dunkel2);background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 4px 14px rgba(15,43,58,.08);display:block}
.vt-kb{position:relative;display:block;aspect-ratio:16/9;background:#000}
.vt-kb img{width:100%;height:100%;object-fit:cover;filter:brightness(.85)}
.vt-kzeit{position:absolute;right:6px;bottom:6px;background:rgba(0,0,0,.8);color:#fff;font-size:.85em;font-weight:700;padding:1px 6px;border-radius:4px}
.vt-kb::after{content:"▶";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:38px;height:38px;border-radius:50%;background:rgba(250,207,57,.92);color:#0f2b3a;font-size:.8em;display:flex;align-items:center;justify-content:center;padding-left:3px;box-sizing:border-box}
.vt-kt{display:block;padding:10px 12px;font-size:.95em;font-weight:700;line-height:1.35}

/* Glas- und Rasterkarten */
.vt-drei{display:grid;grid-template-columns:1fr;gap:1em;margin-top:1.8em}
@media(min-width:760px){.vt-drei{grid-template-columns:repeat(3,1fr)}}
.vt-glas{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);border-radius:14px;padding:1.25em;color:rgba(255,255,255,.88);font-size:1em;line-height:1.5}
.vt-zahl{display:block;color:var(--gold);font-size:2em;font-weight:800;line-height:1.1;margin-bottom:6px}
.vt-raster{display:grid;grid-template-columns:1fr;gap:.8em;margin-top:1.6em;text-align:left}
@media(min-width:700px){.vt-raster{grid-template-columns:1fr 1fr}}
.vt-x{display:flex;gap:14px;align-items:center;padding:16px 20px}
.vt-kreuz{color:var(--gold);font-size:1.5em;font-weight:800;line-height:1}

/* Aufklapper */
.vt-auf,.vt-faq{background:#fff;border:1px solid #dfe6ee;border-radius:12px;margin:0 0 12px;box-shadow:0 2px 10px rgba(15,43,58,.05)}
.vt-auf summary,.vt-faq summary{list-style:none;cursor:pointer;padding:16px 20px;display:flex;gap:14px;align-items:center;color:var(--vt-dunkel2);font-weight:600}
.vt-auf summary::-webkit-details-marker,.vt-faq summary::-webkit-details-marker{display:none}
.vt-plus{flex:0 0 30px;height:30px;border-radius:8px;background:rgba(250,207,57,.22);color:#9a7a00;display:flex;align-items:center;justify-content:center;font-weight:800;transition:transform .2s}
.vt-auf[open] .vt-plus{transform:rotate(45deg)}
.vt-auf p,.vt-faq p{padding:0 20px 18px 64px;margin:0;color:#3b4a55}
.vt-faq summary{justify-content:space-between;font-weight:700}
.vt-faq summary::after{content:"⌄";font-size:1.2em;color:var(--petrol);transition:transform .2s}
.vt-faq[open] summary::after{transform:rotate(180deg)}
.vt-faq p{padding-left:20px}

/* Schritte */
.vt-schritt{display:flex;gap:16px;align-items:center;background:#fff;border:1px solid #dfe6ee;border-radius:12px;padding:16px;box-shadow:0 2px 10px rgba(15,43,58,.05)}
.vt-nr{flex:0 0 2.5em;height:2.5em;border-radius:10px;background:var(--vt-dunkel2);color:var(--gold);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.1em}
.vt-hell .vt-mini{color:#4a5b68}
/* Ablauf als Kette (Ariel 21.10.2026): breit nebeneinander mit Pfeil nach rechts, schmal untereinander mit Pfeil nach unten */
.vt-kette{list-style:none;padding:0;margin:1.8em 0 0;display:flex;flex-direction:column;align-items:stretch;gap:2.2em;max-width:30em;margin-left:auto;margin-right:auto}
.vt-kette .vt-schritt{position:relative}
.vt-kette .vt-nr{flex:none;width:2.5em}
.vt-dunkel .vt-eyebrow.vt-gold{color:var(--gold)}
.vt-kette .vt-schritt:not(:last-child)::after{content:"↓";position:absolute;left:50%;bottom:-1.75em;transform:translateX(-50%);color:var(--petrol);font-weight:800;font-size:1.3em;line-height:1}
@media(min-width:1000px){
  .vt-kette{flex-direction:row;max-width:none;gap:2.4em}
  .vt-kette .vt-schritt{flex:1 1 0;flex-direction:column;text-align:center;align-items:center;padding:1.2em .9em;hyphens:none}
  .vt-kette .vt-schritt:not(:last-child)::after{content:"→";left:auto;right:-1.55em;bottom:auto;top:50%;transform:translateY(-50%)}
}
/* Zwischenknopf */
.vt-cta-mitte{text-align:center;margin-top:2.6em}
.vt-cta-text{font-weight:700;font-size:1.12em;color:var(--vt-dunkel2);margin:0 0 1em;text-wrap:balance}
.vt-dunkel .vt-cta-text{color:#fff}
/* Schreibmaschine → Computer → KI */
.vt-sprung{display:flex;flex-direction:column;align-items:center;gap:.6em;margin-top:2em}
.vt-stufe{width:100%;max-width:22em;text-align:center}
.vt-stufe h3{margin:.2em 0 .3em;font-size:1.25em}
.vt-stufe p{margin:0}
.vt-stufe-ico{font-size:2.2em;line-height:1.2}
.vt-stufe-jetzt{border-color:var(--gold);background:rgba(250,207,57,.1);box-shadow:0 0 40px rgba(250,207,57,.18)}
.vt-sprung-pfeil{display:flex;flex-direction:column;align-items:center;color:var(--gold)}
.vt-sprung-pfeil::after{content:"↓";font-size:1.6em;font-weight:800;line-height:1}
.vt-sprung-pfeil b{font-size:1em;color:rgba(255,255,255,.75)}
.vt-sprung-gross b{font-size:1.6em;color:var(--gold)}
@media(min-width:1000px){
  .vt-sprung{flex-direction:row;align-items:stretch;justify-content:center;gap:1em}
  .vt-stufe{flex:1 1 0}
  .vt-sprung-pfeil{justify-content:center;min-width:5em}
  .vt-sprung-pfeil::after{content:"→";font-size:2em}
  .vt-sprung-gross{min-width:6.5em}
}
/* Arbeitsmaterial-Vorschau */
.vt-mv{display:grid;grid-template-columns:1fr;gap:2em;align-items:center;margin-top:1.6em}
@media(min-width:900px){.vt-mv{grid-template-columns:1.1fr 1fr}}
.vt-mv-bilder{display:grid;grid-template-columns:1fr 1fr;gap:1em}
.vt-mv-blatt{display:block;text-decoration:none;color:var(--vt-dunkel2);font-weight:700;font-size:.92em;text-align:center}
.vt-mv-blatt img{width:100%;border-radius:8px;border:1px solid #dfe6ee;box-shadow:0 14px 34px rgba(15,43,58,.16);margin-bottom:.5em;transition:transform .2s}
.vt-mv-blatt:nth-child(2) img{transform:rotate(1.5deg)}
.vt-mv-blatt:first-child img{transform:rotate(-1.5deg)}
.vt-mv-blatt:hover img{transform:scale(1.02)}
.vt-mv-text h3{color:var(--vt-dunkel2);font-size:1.35em;margin:0 0 .5em;line-height:1.25}
.vt-mv-text h3 strong{color:var(--petrol)}
.vt-mv-text p{color:#3b4a55;margin:0 0 .9em}
.vt-haken{list-style:none;padding:0;margin:1em 0 0}
.vt-haken li{padding-left:1.6em;position:relative;margin:.45em 0;color:#1a1a1a}
.vt-haken li::before{content:"✓";position:absolute;left:0;color:#b8920a;font-weight:800}

/* Teile */
.vt-teil{display:flex;gap:1.1em;align-items:flex-start;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);border-radius:16px;padding:1.35em;margin:0 0 1em}
.vt-teil-ico{flex:0 0 2.9em;height:2.9em;border-radius:12px;background:rgba(250,207,57,.14);color:var(--gold);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.3em}
.vt-teil h3{margin:0 0 .35em;font-size:1.2em;line-height:1.3}
.vt-teil h3 strong{color:var(--gold)}
.vt-teil p{margin:0;color:rgba(255,255,255,.78);font-size:1em}
.vt-bonus ul{margin:.3em 0 0;padding-left:1.1em;color:rgba(255,255,255,.8)}
.vt-bonus li{margin:.3em 0}

/* Person */
.vt-person{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
@media(min-width:760px){.vt-person{grid-template-columns:13em 1fr}}
.vt-person img{border-radius:16px;max-width:13em;margin:0 auto;box-shadow:0 12px 30px rgba(15,43,58,.18)}

/* Abschluss */
.vt-knopf{display:inline-flex;align-items:center;gap:.6em;background:var(--gold);color:var(--vt-dunkel);font-weight:800;font-size:clamp(17px,4.4vw,1.2em);text-decoration:none;
  padding:1em 2em;border-radius:999px;box-shadow:0 10px 34px rgba(250,207,57,.4);max-width:100%;text-align:center;justify-content:center;transition:transform .15s}
.vt-knopf:hover{transform:translateY(-2px)}
.vt-schluss hr{border:0;border-top:1px solid rgba(255,255,255,.14);margin:2.2em auto;max-width:38em}
.vt-wenn{list-style:none;padding:0;margin:0}
.vt-wenn li{margin:.5em 0;color:rgba(255,255,255,.88)}
.vt-wenn li::before{content:"✓  ";color:var(--gold);font-weight:800}

/* Popup */
.vt-popup .formular{border-top:0;background:#fff;padding-top:8px}
.vt-popup-kopf{padding:28px 24px 4px;text-align:center}
.vt-popup-ico{display:inline-flex;width:56px;height:56px;border-radius:50%;background:var(--vt-dunkel2);align-items:center;justify-content:center;margin-bottom:10px}
.vt-popup-ico svg{width:28px;height:28px;fill:var(--gold)}
.vt-popup-titel{font-size:1.3em;font-weight:800;color:var(--vt-dunkel2);margin:0 0 .3em;line-height:1.25}
.vt-popup-kopf p{color:#3b4a55;font-size:1em}
.vt-popup .einwilligung{font-size:.88em}

/* Ansehen-Seite */
.vt-player-echt{max-width:58em;margin:0 auto}
.vt-player-echt .video{border-radius:14px;overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.35);background:#000}
.vt-player-echt video{width:100%;display:block;aspect-ratio:16/9}
.vt-folgt{background:rgba(255,255,255,.06);border-radius:14px;padding:40px;text-align:center}
.vt-kapitel-titel{margin:22px 0 8px;font-weight:700;color:rgba(255,255,255,.75);font-size:.95em;letter-spacing:.1em;text-transform:uppercase}
.vt-kapitel-sprung{display:flex;flex-wrap:wrap;gap:8px}
.vt-kapitel-sprung button{font:inherit;font-size:.95em;background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.16);border-radius:999px;padding:.45em .9em;cursor:pointer}
.vt-kapitel-sprung button b{color:var(--gold);margin-right:4px}
.vt-kapitel-sprung button:hover{background:rgba(250,207,57,.18)}
.vt-materialkarte{display:grid;grid-template-columns:1fr;background:#fff;border-radius:16px;overflow:hidden;text-decoration:none;color:var(--text);
  box-shadow:0 14px 40px rgba(15,43,58,.12);border-left:6px solid var(--gold)}
@media(min-width:700px){.vt-materialkarte{grid-template-columns:17em 1fr}}
.vt-materialkarte img{width:100%;height:100%;object-fit:cover;min-height:180px}
.vt-mk-text{display:flex;flex-direction:column;gap:8px;padding:24px}
.vt-mk-text b{font-size:1.3em;color:var(--vt-dunkel2);line-height:1.25}
.vt-mk-eyebrow{font-size:.88em;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--mute)}
.vt-mk-pfeil{margin-top:6px;font-weight:800;color:var(--petrol)}

.vt-fuss{background:#0b2130;color:rgba(255,255,255,.55);text-align:center;font-size:.92em;padding:28px 16px}
.vt-fuss a{color:rgba(255,255,255,.7);margin:0 8px}
.vt-player-echt .video{border:0;max-width:none;margin:0}

/* Formulare und Popup wachsen mit */
.vortrag .formular .feld span{font-size:1em}
.vortrag .formular .feld input{font-size:1em}
.vortrag dialog.popup{width:min(34em,calc(100vw - 24px));font-size:1em}
.vortrag .popup-zu{font-size:1.8em}