/* Der KI-Nachweis, Webinarstrecke. Design nach joergschroeder.eu */
:root{
  --bg:#060D1A; --bg-2:#0B1A30; --marine-3:#1F4778;
  --paper:#F8FAFC; --paper-2:#E2E8F0; --paper-mute:rgba(248,250,252,.62);
  --accent:#3B82F6; --accent-2:#60A5FA; --accent-3:#93C5FD;
  --accent-glow:rgba(59,130,246,.45);
  --line:rgba(255,255,255,.08);
  --ok:#34D399; --warn:#FBBF24;
  --sans:'Inter','Aptos',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --radius:16px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--paper); font-family:var(--sans);
  font-size:17px; line-height:1.65; -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(900px 520px at 12% -8%, rgba(59,130,246,.18), transparent 60%),
    radial-gradient(760px 460px at 92% 4%, rgba(31,71,120,.30), transparent 62%);
  background-repeat:no-repeat;
}
a{color:var(--accent-2);text-decoration:none}
a:hover{color:var(--accent-3)}
.wrap{max-width:1080px;margin:0 auto;padding:0 22px}
.schmal{max-width:760px}
header.top{padding:26px 0;border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.marke{font-weight:700;letter-spacing:.2px}
.marke span{color:var(--accent-2)}
.hinweis-band{
  background:rgba(59,130,246,.10);border:1px solid rgba(59,130,246,.25);
  border-radius:999px;padding:6px 14px;font-size:13.5px;color:var(--paper-2)
}
h1{font-size:clamp(30px,4.6vw,50px);line-height:1.12;letter-spacing:-.02em;margin:0 0 18px}
h2{font-size:clamp(23px,2.7vw,32px);line-height:1.22;letter-spacing:-.015em;margin:44px 0 14px}
h3{font-size:20px;margin:26px 0 8px}
.akzent{color:var(--accent-2)}
p{color:var(--paper-2)}
.lead{font-size:19.5px;color:var(--paper-2)}
.mute{color:var(--paper-mute);font-size:15px}
section{padding:54px 0}
.karte{
  background:linear-gradient(180deg, rgba(11,26,48,.95), rgba(6,13,26,.92));
  border:1px solid var(--line); border-radius:var(--radius); padding:26px;
}
.gitter{display:grid;gap:18px}
@media(min-width:820px){ .gitter.drei{grid-template-columns:repeat(3,1fr)} .gitter.zwei{grid-template-columns:1fr 1fr} }
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  background:var(--accent); color:#031024; font-weight:700; border:0;
  padding:15px 26px; border-radius:12px; font-size:17px; cursor:pointer;
  box-shadow:0 10px 30px -12px var(--accent-glow); transition:.18s; width:100%;
  font-family:var(--sans);
}
.btn:hover{background:var(--accent-2);transform:translateY(-1px)}
.btn.zweit{background:transparent;color:var(--paper);border:1px solid rgba(255,255,255,.22);box-shadow:none}
.btn.zweit:hover{border-color:var(--accent-2);color:var(--accent-3);background:rgba(59,130,246,.08)}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}
label{display:block;font-size:14px;color:var(--paper-2);margin:14px 0 6px;font-weight:600}
input[type=text],input[type=email],input[type=number],input[type=date],select,textarea{
  width:100%;padding:13px 14px;border-radius:11px;border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.04);color:var(--paper);font-size:16px;font-family:var(--sans)
}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:1px}
input[type=date]::-webkit-calendar-picker-indicator{filter:invert(1);opacity:.65;cursor:pointer}
input[type=date]::-webkit-calendar-picker-indicator:hover{opacity:1}
.check{display:flex;gap:11px;align-items:flex-start;margin:14px 0;font-size:14.5px;color:var(--paper-2)}
.check input{margin-top:3px;width:18px;height:18px;flex:0 0 auto;accent-color:var(--accent)}
.termine{display:grid;gap:10px;margin:6px 0 4px}
.termin{
  display:flex;align-items:center;gap:13px;padding:14px 16px;border-radius:12px;
  border:1px solid rgba(255,255,255,.13);background:rgba(255,255,255,.03);cursor:pointer;transition:.15s
}
.termin:hover{border-color:var(--accent-2);background:rgba(59,130,246,.08)}
.termin.aktiv{border-color:var(--accent);background:rgba(59,130,246,.14)}
.termin .punkt{width:15px;height:15px;border-radius:50%;border:2px solid rgba(255,255,255,.35);flex:0 0 auto}
.termin.aktiv .punkt{border-color:var(--accent-2);background:var(--accent)}
.termin .txt{font-weight:600}
.termin .zusatz{margin-left:auto;font-size:13px;color:var(--paper-mute)}
.freiwahl{
  margin:2px 0 6px;padding:15px 16px;border-radius:12px;
  border:1px solid rgba(59,130,246,.28);background:rgba(59,130,246,.06)
}
.freiwahl label{margin-top:0}
.freiwahl .felder{display:grid;gap:10px}
@media(min-width:430px){ .freiwahl .felder{grid-template-columns:1.25fr 1fr} }
ul.liste{list-style:none;padding:0;margin:14px 0}
ul.liste li{padding-left:30px;position:relative;margin:11px 0;color:var(--paper-2)}
ul.liste li:before{content:"";position:absolute;left:6px;top:10px;width:8px;height:8px;border-radius:50%;background:var(--accent)}
table{width:100%;border-collapse:collapse;margin:18px 0;font-size:15.5px}
th,td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--line)}
th{color:var(--paper-mute);font-weight:600;font-size:13.5px;text-transform:uppercase;letter-spacing:.05em}
.uhr{font-variant-numeric:tabular-nums;font-weight:700;font-size:clamp(34px,7vw,64px);letter-spacing:-.02em}
.video-rahmen{position:relative;padding-top:56.25%;border-radius:var(--radius);overflow:hidden;background:#000;border:1px solid var(--line)}
.video-rahmen iframe,.video-rahmen .platz{position:absolute;inset:0;width:100%;height:100%;border:0}
.platz{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:16px;padding:24px;
  background:linear-gradient(180deg,#0B1A30,#060D1A)}
.leiste{
  position:sticky;bottom:0;z-index:20;margin-top:20px;padding:16px;border-radius:14px;
  background:rgba(11,26,48,.97);border:1px solid rgba(59,130,246,.35);
  box-shadow:0 -12px 40px -20px #000; display:none
}
.leiste.an{display:block}
.leiste .gitter{gap:12px}
footer{border-top:1px solid var(--line);padding:30px 0;margin-top:60px;color:var(--paper-mute);font-size:14px}
footer a{color:var(--paper-mute)}
.fehler{border-color:rgba(248,113,113,.5);background:rgba(248,113,113,.08);color:#FCA5A5}
.erfolg{border-color:rgba(52,211,153,.45);background:rgba(52,211,153,.08)}
.zentriert{text-align:center}