:root{--blue:#1587e8;--navy:#061426;--white:#f7fbff;--muted:#9fb2c7}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#07111f;color:var(--white);line-height:1.6}a{color:inherit;text-decoration:none}.hero{min-height:370px;background:linear-gradient(90deg,rgba(2,10,22,.3),rgba(2,10,22,.1)),url("assets/header-top.png") center/cover no-repeat;display:flex;align-items:flex-end}.brand{padding:32px 7%;text-shadow:0 3px 18px #000}.brand h1{font-size:clamp(2.2rem,6vw,5rem);margin:0}.brand span{color:#54b8ff}.brand p{letter-spacing:.28em;margin:.2rem 0}.nav{position:sticky;top:0;z-index:5;background:rgba(3,17,34,.96);border-bottom:1px solid #173553;display:flex;flex-wrap:wrap;justify-content:center}.nav a{padding:18px 20px}.nav a:hover,.nav a.active{background:linear-gradient(#147fd3,#0b4f89)}main{max-width:1150px;margin:auto;padding:55px 24px 80px}.lead{font-size:1.2rem;color:#dcecff;max-width:850px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:22px;margin-top:32px}.card{background:linear-gradient(145deg,#0d2036,#091727);border:1px solid #183b5d;border-radius:18px;padding:25px;box-shadow:0 15px 40px #0005}.card h3{color:#6bc4ff}.btn{display:inline-block;background:#1689e8;padding:12px 20px;border-radius:9px;margin-top:12px}.player{background:#050d18;border:1px solid #245079;border-radius:20px;padding:28px}.track{display:flex;justify-content:space-between;gap:15px;padding:15px 0;border-bottom:1px solid #18334d}.wave{height:60px;background:repeating-linear-gradient(90deg,#1aa0ff 0 2px,transparent 2px 7px);mask:linear-gradient(to bottom,transparent 5%,#000 30% 70%,transparent 95%);opacity:.8}footer{background:#030b14;border-top:1px solid #18334d;padding:30px;text-align:center;color:var(--muted)}form{display:grid;gap:14px;max-width:700px}input,textarea{width:100%;padding:14px;border-radius:9px;border:1px solid #31516d;background:#0a1929;color:white}textarea{min-height:160px}button{border:0;color:white;cursor:pointer;font-size:1rem}@media(max-width:700px){.hero{min-height:270px}.nav a{padding:13px 10px;font-size:.85rem}.brand p{letter-spacing:.12em}}

/* Gemeinsame Seitenbreite für Header und Navigation */
.hero,.nav{width:min(100% - 32px,1150px);margin-left:auto;margin-right:auto}
.hero{margin-top:16px;border-radius:20px 20px 0 0;overflow:hidden}
.nav{border-radius:0 0 16px 16px}
.nav a.demo-link{color:#9bd6ff;font-weight:700}
.lockbox{max-width:520px;margin:25px auto;background:linear-gradient(145deg,#0d2036,#091727);border:1px solid #245079;border-radius:20px;padding:30px;box-shadow:0 15px 40px #0007}
.lockbox h3{margin-top:0;color:#6bc4ff}.hint{font-size:.9rem;color:var(--muted)}
.demo-list{display:grid;gap:16px;margin-top:28px}.demo-item{background:#07111f;border:1px solid #183b5d;border-radius:14px;padding:18px}.demo-item audio{width:100%;margin-top:10px}
@media(max-width:700px){.hero,.nav{width:100%;margin-left:0;margin-right:0;border-radius:0}.hero{margin-top:0}}

/* V3 – Navigation passend zum Headerbild */
.hero{min-height:344px;background-position:center center;border-radius:0;margin-top:16px}
.hero .brand{display:none}
.nav{position:sticky;top:0;z-index:20;min-height:66px;display:flex;flex-wrap:nowrap;justify-content:center;align-items:stretch;background:linear-gradient(180deg,#061a2e 0%,#020c17 100%);border-top:1px solid #1d5d8f;border-bottom:1px solid #173553;border-radius:0;box-shadow:0 12px 30px #0006;overflow-x:auto}
.nav a{display:flex;align-items:center;justify-content:center;padding:0 17px;min-height:66px;font-size:.86rem;letter-spacing:.02em;white-space:nowrap;border-left:1px solid transparent;border-right:1px solid transparent}
.nav a:hover,.nav a.active{background:linear-gradient(180deg,#176eb1 0%,#0c4d82 100%);box-shadow:inset 0 0 0 1px #45b8ff,0 0 18px #1689e855;color:#fff}
.nav a.demo-link{color:#9bd6ff}.nav a.demo-link.active{color:#fff}
.demo-page{max-width:1150px;padding-top:38px}.demo-frame{width:100%;height:760px;border:1px solid #245079;border-radius:18px;background:#07111f;box-shadow:0 18px 50px #0006;margin-top:22px}
@media(max-width:700px){.hero{min-height:180px;margin-top:0;background-size:cover}.nav{justify-content:flex-start}.nav a{min-height:54px;padding:0 13px;font-size:.78rem}.demo-frame{height:820px;border-radius:10px}}

/* V4 – vollständig responsives Layout */
html{max-width:100%;overflow-x:hidden}body{max-width:100%;overflow-x:hidden}
img,svg,video,canvas{display:block;max-width:100%;height:auto}
picture{display:block;max-width:100%}
iframe{max-width:100%}
.hero{width:min(calc(100% - 32px),1150px);height:auto;min-height:0;aspect-ratio:1150/344;background-size:cover;background-position:center}
main{width:100%;max-width:1150px}.card{min-width:0}.player{max-width:100%;overflow:hidden}.track{align-items:center}.track audio{max-width:55%;min-width:220px}
.nav-toggle{display:none;background:#061a2e;border:1px solid #245079;color:#fff;padding:12px 16px;width:100%;font-weight:700;letter-spacing:.08em;text-align:left}
.mobile-nav-wrap{width:min(calc(100% - 32px),1150px);margin:0 auto}
.demo-frame{display:block;max-width:100%}

@media(max-width:900px){
  main{padding:38px 20px 60px}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .nav a{padding:0 11px;font-size:.76rem}
}
@media(max-width:700px){
  .hero{width:100%;aspect-ratio:1150/344;min-height:0;margin:0;background-size:cover;background-position:center}
  .mobile-nav-wrap{width:100%}.nav-toggle{display:flex;align-items:center;justify-content:space-between;min-height:52px}
  .nav-toggle::after{content:'☰';font-size:1.35rem}
  .nav-toggle[aria-expanded="true"]::after{content:'✕'}
  .nav{position:relative;top:auto;width:100%;min-height:0;display:none;flex-direction:column;align-items:stretch;overflow:visible;border:0;box-shadow:0 10px 25px #0008}
  .nav.open{display:flex}.nav a{width:100%;min-height:48px;justify-content:flex-start;padding:0 20px;border-bottom:1px solid #173553;font-size:.82rem}
  main{padding:30px 16px 50px}.grid{grid-template-columns:1fr;gap:16px;margin-top:24px}.card{padding:20px;border-radius:14px}
  .player{padding:18px;border-radius:14px}.track{flex-direction:column;align-items:stretch;gap:8px}.track audio{width:100%;max-width:none;min-width:0}
  .demo-frame{height:75vh;min-height:560px;border-radius:8px}
  h1{font-size:2rem}h2{font-size:1.65rem}.lead{font-size:1.05rem}
}
@media(max-width:420px){
  main{padding-left:13px;padding-right:13px}.btn{width:100%;text-align:center}.player{padding:14px}.card{padding:17px}
  input,textarea{font-size:16px}footer{padding:24px 14px;font-size:.86rem}
}

/* Über mich – responsives Studiofoto */
.about-intro{display:grid;grid-template-columns:minmax(0,.8fr) minmax(420px,1.2fr);gap:34px;align-items:center;margin:18px 0 38px}.about-photo{margin:0;overflow:hidden;border:1px solid #245079;border-radius:18px;background:#050d18;box-shadow:0 18px 50px #0008}.about-photo img{width:100%;height:auto;aspect-ratio:3/2;object-fit:cover;object-position:center;display:block}.about-photo figcaption{padding:10px 14px;color:#9fb2c7;font-size:.9rem;text-align:center;background:#050d18}@media(max-width:850px){.about-intro{grid-template-columns:1fr;gap:22px}.about-photo{max-width:760px;width:100%;margin-inline:auto}}@media(max-width:700px){.about-photo{border-radius:12px}.about-photo img{aspect-ratio:auto;object-fit:contain}.about-photo figcaption{font-size:.82rem}}

/* Kontaktseite – Formular links, Impressum rechts */
.contact-layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(280px,.75fr);gap:34px;align-items:start;margin-top:28px}.contact-form form{max-width:none}.contact-imprint{background:linear-gradient(145deg,#0d2036,#091727);border:1px solid #245079;border-radius:18px;padding:26px;box-shadow:0 15px 40px #0006}.contact-imprint h3{margin:0 0 18px;color:#6bc4ff;font-size:1.5rem}.contact-imprint p{margin:0 0 18px}.contact-imprint a{color:#6bc4ff;overflow-wrap:anywhere}.contact-imprint .imprint-note{color:var(--muted);border-top:1px solid #183b5d;padding-top:16px;margin-bottom:0}@media(max-width:800px){.contact-layout{grid-template-columns:1fr;gap:24px}.contact-imprint{order:2}}

.nav a.admin-link{color:#a5e4ff;font-weight:700}



.nav .register-link{color:#f6d26d;font-weight:700}

.registration-section{margin:48px auto 20px;max-width:1020px;padding:24px;border:1px solid #345477;border-radius:16px;background:#101f32}.registration-frame{display:block;width:100%;min-height:950px;border:0;border-radius:10px;background:#f4f7fa;margin-top:18px}.registration-section p{line-height:1.6}@media(max-width:700px){.registration-section{padding:12px;margin-top:30px}.registration-frame{min-height:1250px}}

/* Version 15: Schrift im Header-Menü um 2 pt verkleinert. */
.nav a { font-size: calc(0.86rem - 2pt); }
@media (max-width:900px) { .nav a { font-size: calc(0.76rem - 2pt); } }
@media (max-width:700px) { .nav a { font-size: calc(0.82rem - 2pt); } }

/* Version 16: Registrierung öffnet erst nach Klick im selben Demo-iFrame. */
.demo-switch-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.demo-switch-button{cursor:pointer;border:1px solid #e6bc3c;border-radius:10px;background:#f2c94c;color:#17253a;padding:13px 23px;font:700 1rem inherit;font-family:inherit;font-size:1rem;font-weight:700}.demo-back-button{background:#152b43;color:#fff;border-color:#6789aa}.demo-switch-button[hidden]{display:none!important}.demo-frame.showing-registration{height:1100px;background:#07111f}

/* ADMIN wie DEMOS: identische Darstellung */
.nav a.admin-link{color:#9bd6ff;font-weight:700;background:transparent;border:0;border-radius:0;box-shadow:none;padding:0 17px}
.nav a.admin-link:hover,.nav a.admin-link.active{background:linear-gradient(180deg,#176eb1 0%,#0c4d82 100%);box-shadow:inset 0 0 0 1px #45b8ff,0 0 18px #1689e855;color:#fff}
@media(max-width:900px){.nav a.admin-link{padding:0 11px}}
@media(max-width:700px){.nav a.admin-link{padding:0 20px}}

/* Version 20: Header-Menü gegenüber Version 19 um 1 Punkt vergrößert. */
.nav a { font-size: calc(0.86rem - 1pt); }
@media (max-width:900px) { .nav a { font-size: calc(0.76rem - 1pt); } }
@media (max-width:700px) { .nav a { font-size: calc(0.82rem - 1pt); } }

/* Version 21: Registrierung als eigenständige Seite, nur von der Demo-Lounge verlinkt */
.demo-registration-cta{max-width:750px;margin:32px auto 0;padding:26px;text-align:center;background:linear-gradient(145deg,#0d2036,#091727);border:1px solid #245079;border-radius:15px}.demo-registration-cta h3{color:#8ed1ff;margin:0 0 10px}.demo-registration-cta p{margin:0 0 22px}.demo-register-button{display:inline-block;background:#1689e8;color:#fff!important;border-radius:9px;padding:13px 25px;font-weight:700;text-decoration:none}.demo-register-button:hover{background:#0b65af}

/* News columns */
.news-columns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;align-items:start}.news-column{background:#10283f;border:1px solid #34658b;border-radius:12px;padding:16px;min-width:0}.news-column h2{margin-top:0}.news-card{display:grid;grid-template-columns:minmax(80px,36%) minmax(0,1fr);gap:13px;padding:15px 0;border-top:1px solid #426a87;overflow-wrap:anywhere}.news-card img{width:100%;height:auto;aspect-ratio:3/4;object-fit:cover;border-radius:8px}.news-card h3{margin:0 0 8px}.news-card p{line-height:1.5;white-space:normal}@media(max-width:900px){.news-columns{grid-template-columns:1fr}}
/* V25: News im breiten Cover/Text-Layout */
.news-columns{display:flex;flex-direction:column;gap:26px}
.news-column{width:100%;min-width:0;background:transparent;border:0;padding:0}
.news-column>h2{margin:0 0 16px}
.news-card{display:grid;grid-template-columns:180px minmax(0,1fr);align-items:start;gap:22px;background:#0c2442;border:2px solid #367fba;border-radius:14px;padding:22px;margin:0 0 18px;overflow-wrap:break-word}
.news-card img{display:block;width:100%;height:auto;aspect-ratio:1/1;object-fit:contain;border-radius:4px}
.news-card h3{margin:0 0 12px;font-size:clamp(1.25rem,2vw,1.7rem)}
.news-card p{margin:14px 0 0;line-height:1.55}
@media(max-width:600px){.news-card{grid-template-columns:1fr;padding:16px;gap:15px}.news-card img{max-width:220px;aspect-ratio:auto;justify-self:start}}