:root{
  --bg:#071226;
  --panel:rgba(255,255,255,.06);
  --panel2:rgba(255,255,255,.09);
  --border:rgba(255,255,255,.14);
  --text:#eaf1ff;
  --muted:rgba(234,241,255,.78);

  --blue:#3b82f6;
  --blue2:#2563eb;

  --gold:#f59e0b;
  --gold2:#fbbf24;

  --radius:18px;
  --shadow:0 18px 60px rgba(0,0,0,.35);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background:
    radial-gradient(1200px 700px at 30% -10%, rgba(59,130,246,.35), transparent 60%),
    radial-gradient(900px 600px at 95% 20%, rgba(245,158,11,.14), transparent 55%),
    radial-gradient(900px 600px at 5% 30%, rgba(239,68,68,.10), transparent 55%),
    var(--bg);
  color:var(--text);
  line-height:1.45;
}

a{color:inherit;text-decoration:none}
.container{width:min(1100px,92%);margin:0 auto}

/* topbar */
.topbar{
  position:sticky;top:0;z-index:50;
  backdrop-filter: blur(10px);
  background: rgba(7,18,38,.72);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.topbar::after{
  content:"";
  display:block;
  height:2px;
  background: linear-gradient(90deg,
    rgba(59,130,246,.0),
    rgba(59,130,246,.7),
    rgba(245,158,11,.55),
    rgba(59,130,246,.0)
  );
}
.topbar-inner{
  display:flex;align-items:center;gap:18px;
  padding:12px 0;
}

.brand{display:flex;align-items:center;gap:12px;min-width:260px}
.brand img{height:48px;width:auto;display:block}
.brand-text strong{display:block;font-size:16px;letter-spacing:.2px}
.brand-text small{display:block;font-size:12px;color:var(--muted);margin-top:2px}

.nav{
  display:flex;gap:18px;align-items:center;
  flex:1;justify-content:center;
  position:relative;
  padding-bottom:6px;
}
.nav a{
  color:var(--muted);
  font-weight:800;
  font-size:14px;
  opacity:.95;
  position:relative;
  padding:8px 2px;
}
.nav a:hover{color:var(--text)}
.nav a.active{color:var(--text)}
.nav-indicator{
  position:absolute;
  bottom:2px;
  height:3px;
  width:24px;
  border-radius:999px;
  background: linear-gradient(90deg, var(--gold), var(--gold2));
  box-shadow: 0 10px 24px rgba(245,158,11,.22);
  transform: translateX(0);
  transition: transform .25s ease, width .25s ease, opacity .25s ease;
  opacity:0;
}

.cta{
  background: linear-gradient(180deg, var(--blue), var(--blue2));
  padding:10px 14px;border-radius:999px;
  font-weight:900;font-size:14px;
  box-shadow: 0 10px 30px rgba(59,130,246,.25);
  border:1px solid rgba(255,255,255,.12);
}

.nav-toggle{
  display:none;
  background:transparent;
  border:1px solid rgba(255,255,255,.18);
  color:var(--text);
  border-radius:12px;
  padding:10px 12px;
  font-size:18px;
}

.nav-mobile{
  display:none;
  padding:10px 0 14px;
  border-top:1px solid rgba(255,255,255,.08);
}
.nav-mobile a{
  display:block;
  padding:10px 0;
  color:var(--muted);
  font-weight:800;
}
.nav-mobile.show{display:block}

.page{padding-bottom:50px}

/* sections */
.section{padding:56px 0}
.section-head{margin-bottom:18px}
.section-head h2{margin:0 0 6px;font-size:30px}
.section-head p{margin:0;color:var(--muted)}

.hero{padding:40px 0 20px}
.hero-grid{display:grid;grid-template-columns: 1.25fr .75fr;gap:18px;align-items:stretch}

.card{
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.05));
  border:1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding:18px;
}

.hero-card h1{
  margin:10px 0 10px;
  font-size:50px;
  line-height:1.02;
  letter-spacing:-.8px;
}

.badge{
  display:inline-flex;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color:var(--muted);
  font-weight:900;
  font-size:13px;
}

.muted{color:var(--muted)}
.small{font-size:13px}

.hero-actions{display:flex;gap:12px;margin-top:16px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 14px;
  border-radius:14px;
  font-weight:900;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color:var(--text);
  cursor:pointer;
}
.btn.primary{
  background: linear-gradient(180deg, var(--blue), var(--blue2));
  border-color: rgba(255,255,255,.12);
  box-shadow: 0 12px 34px rgba(59,130,246,.25);
}
.btn.ghost{background: rgba(255,255,255,.05)}
.btn.full{width:100%}
.btn:disabled{opacity:.45;cursor:not-allowed}

.hero-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.pill{
  padding:9px 12px;
  border-radius:999px;
  background: rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  color:var(--muted);
  font-weight:800;
  font-size:13px;
}

.hero-side{display:flex;flex-direction:column;gap:12px}
.card.info{padding:16px}
.card.info h3{margin:0 0 6px}
.card.info p{margin:0}

/* 3-DNA */
.dna{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:10px;
  margin:14px 0 0;
}
.dna-card{
  border:1px solid rgba(255,255,255,.12);
  border-radius:16px;
  padding:12px;
  background: rgba(255,255,255,.05);
}
.dna-title{font-weight:950}
.dna-text{margin-top:4px}

/* grids */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.grid-2{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:14px;
  align-items:start;
}


.list{margin:10px 0 0;padding-left:18px;color:var(--muted)}
.list li{margin:7px 0}
.list.small li{margin:6px 0}

.price{font-weight:950;color:var(--text)}
.sub{margin-top:10px;padding-top:10px;border-top:1px solid rgba(255,255,255,.10)}
.note{margin-top:14px}

.form-row{display:flex;flex-direction:column;gap:6px;margin:12px 0}
label{color:rgba(234,241,255,.92);font-weight:900;font-size:14px}

input,select,textarea{
  background: rgba(0,0,0,.35);
  border:1px solid rgba(255,255,255,.16);
  color:var(--text);
  padding:12px 12px;
  border-radius:14px;
  outline:none;
}

/* wichtig: OPTIONEN KONTRAST */
select option{
  background:#071226;
  color:var(--text);
}

input::placeholder,textarea::placeholder{color:rgba(234,241,255,.45)}
hr.sep{
  border:0;
  height:1px;
  background: rgba(255,255,255,.12);
  margin:16px 0;
}

.result-box{
  border:1px dashed rgba(255,255,255,.20);
  border-radius:16px;
  padding:14px;
  background: rgba(255,255,255,.05);
}
.result-box .line{display:flex;justify-content:space-between;gap:12px;margin:8px 0;color:rgba(234,241,255,.88)}
.result-box .total{margin-top:10px;padding-top:10px;border-top:1px solid rgba(255,255,255,.10);font-weight:950;color:var(--text)}

.accordion details{
  border-top:1px solid rgba(255,255,255,.10);
  padding:10px 0;
}
.accordion details:first-child{border-top:0}
.accordion summary{
  cursor:pointer;
  list-style:none;
  font-weight:950;
  color:rgba(234,241,255,.92);
  padding:6px 0;
}
.acc-body{padding:6px 0 2px}

.card.soft{
  margin-top:14px;
  background: rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.10);
  box-shadow:none;
}

.footer{
  margin-top:22px;
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,.10);
  color:rgba(234,241,255,.60);
  text-align:center;
}

.offer-actions{margin-top:12px}

/* Offerte Preview */
.offer-preview{margin-top:10px}
.offer-head{
  display:flex;
  justify-content:space-between;
  gap:12px;
  align-items:flex-start;
}
.offer-brand{display:flex;gap:12px;align-items:center}
.offer-logo{
  width:54px;height:54px;
  border-radius:14px;
  background: rgba(245,158,11,.14);
  border:1px solid rgba(245,158,11,.28);
  display:flex;align-items:center;justify-content:center;
  font-weight:950;color:rgba(245,158,11,.95);
  letter-spacing:.6px;
}
.offer-title{font-weight:950}
.offer-items .offer-item{
  display:flex;
  justify-content:space-between;
  gap:10px;
  padding:8px 0;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.offer-items .offer-item:last-child{border-bottom:0}
.offer-items .desc{color:rgba(234,241,255,.92);font-weight:900}
.offer-items .meta{color:rgba(234,241,255,.70);font-size:13px;margin-top:2px}
.offer-items .sum{font-weight:950}

/* Checkbox */
.checkbox{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-weight:900;
  color:rgba(234,241,255,.92);
}
.checkbox input{margin-top:3px}

.link{
  color: rgba(245, 158, 11, .95);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.link:hover{opacity:.9}

/* Mobile */
@media (max-width: 920px){
  .hero-grid{grid-template-columns:1fr}
  .nav{display:none}
  .nav-toggle{display:block}
  .hero-card h1{font-size:40px}
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .dna{grid-template-columns:1fr}
  .brand img{height:40px}
}