:root{
  --primary:#0f8b9d;
  --primary-dark:#065666;
  --accent:#ff8a25;

  --bg:#f6f8fb;
  --surface:#fff;
  --text:#08323a;
  --muted:#6d8b93;

  --border:rgba(8,50,58,.10);
  --shadow:0 12px 28px rgba(3,27,31,.10);
  --radius:18px;
  --radius-btn:14px;

  --focus: 0 0 0 4px rgba(15,139,157,.18);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.5;
}
h1,h2,h3,.btn,.brand-wordmark{font-family:Montserrat,system-ui,-apple-system,"Segoe UI",sans-serif}
a{color:inherit;text-decoration:none}

.offer-header{
  position:sticky; top:0; z-index:50;
  background:#021d25;
  color:#fff;
  border-bottom:1px solid rgba(15,139,157,.5);
  box-shadow:0 10px 26px rgba(0,0,0,.35);
}
.offer-header-inner{
  max-width:1100px;
  margin:0 auto;
  padding:.8rem 1.2rem;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
}
.brand{display:flex; flex-direction:column; gap:.15rem}
.brand-wordmark{
  font-weight:800;
  letter-spacing:.14em;
  text-transform:uppercase;
  font-size:1.05rem;
  white-space:nowrap;
}
.brand-highlight{color:var(--accent)}
.brand-sub{font-size:.78rem; color:rgba(255,255,255,.75)}

.offer-header-actions{display:flex; align-items:center; gap:.7rem}
.hlink{opacity:.9}
.hlink:hover{opacity:1; text-decoration:underline}
.hbtn{
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.18);
  padding:.55rem .8rem;
  border-radius:12px;
}
.hbtn:hover{background:rgba(255,255,255,.18)}

.offer-main{padding:1.2rem 0 2.2rem}
.offer-shell{
  max-width:1100px;
  margin:0 auto;
  padding:0 1.2rem;
}
.offer-head{
  padding:1.2rem 0 1rem;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  background:rgba(255,138,37,.12);
  border:1px solid rgba(255,138,37,.18);
  color:#8a3c00;
  padding:.35rem .7rem;
  border-radius:999px;
  font-weight:600;
  font-size:.85rem;
}
.offer-head h1{margin:.7rem 0 .35rem; font-size:2rem}
.offer-sub{margin:0; color:var(--muted); max-width:70ch}

.stepper{margin-top:1rem}
.stepper-track{
  height:8px;
  background:rgba(8,50,58,.08);
  border-radius:999px;
  overflow:hidden;
}
.stepper-fill{
  display:block;
  height:100%;
  width:33.33%;
  background:linear-gradient(90deg,var(--primary),var(--primary-dark));
}
.stepper-steps{
  list-style:none;
  display:flex;
  gap:1rem;
  padding:0;
  margin:.8rem 0 0;
}
.stepper-step{
  display:flex; align-items:center; gap:.55rem;
  color:rgba(8,50,58,.65);
  font-weight:600;
}
.stepper-step .dot{
  width:28px; height:28px;
  border-radius:999px;
  display:grid; place-items:center;
  background:rgba(8,50,58,.08);
}
.stepper-step.is-active{color:var(--text)}
.stepper-step.is-active .dot{
  background:rgba(15,139,157,.14);
  box-shadow:var(--focus);
}

.offer-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:1rem;
  align-items:start;
}
@media (max-width: 920px){
  .offer-grid{grid-template-columns:1fr}
}

.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:1.1rem;
}
.aside .aside-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:1rem;
  margin-bottom:1rem;
}
.aside .aside-card.subtle{
  background:rgba(255,255,255,.75);
}

.aside h3{margin:.1rem 0 .6rem}
.aside ul{margin:.2rem 0 0; padding-left:1.1rem; color:var(--muted)}
.aside li{margin:.35rem 0}

.aside-actions{display:flex; gap:.6rem; flex-wrap:wrap}

.step{display:none}
.step.is-active{display:block}
.step-title{margin:.25rem 0 1rem}

.row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:.9rem;
}
@media (max-width: 680px){
  .row{grid-template-columns:1fr}
  .offer-head h1{font-size:1.6rem}
}

.field label{
  display:block;
  font-weight:600;
  font-size:.92rem;
  margin:0 0 .35rem;
}
.field input,.field select,.field textarea{
  width:100%;
  border:1px solid rgba(8,50,58,.14);
  border-radius:14px;
  padding:.85rem .9rem;
  font-size:1rem;
  background:#fff;
  outline:none;
  transition: box-shadow .15s ease, border-color .15s ease;
}
.field textarea{min-height:120px; resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color: rgba(15,139,157,.55);
  box-shadow: var(--focus);
}
.field.invalid input,.field.invalid select,.field.invalid textarea{
  border-color: rgba(200, 35, 35, .55);
  box-shadow: 0 0 0 4px rgba(200,35,35,.12);
}
.err{
  min-height:18px;
  margin:.35rem 0 0;
  color:rgba(200, 35, 35, .95);
  font-size:.85rem;
}

.nav{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:.8rem;
  margin-top:1rem;
}
.backlink{color:var(--muted)}
.backlink:hover{text-decoration:underline}

.btn{
  border-radius:var(--radius-btn);
  padding:.85rem 1.05rem;
  border:1px solid transparent;
  font-weight:800;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
}
.btn.primary{
  background:var(--accent);
  color:#1b0c00;
  box-shadow:0 10px 18px rgba(255,138,37,.22);
}
.btn.primary:hover{filter:brightness(.98)}
.btn.ghost{
  background:transparent;
  border-color:rgba(8,50,58,.16);
  color:var(--text);
}
.btn.ghost:hover{background:rgba(8,50,58,.04)}
.btn.small{padding:.7rem .9rem}

.foot{
  margin:.85rem 0 0;
  color:var(--muted);
  font-size:.9rem;
}

/* Honeypot unsichtbar */
.kontakt-hp{
  position:absolute;
  left:-9999px;
  top:auto;
  width:1px;
  height:1px;
  overflow:hidden;
}