:root{
  --bg:#06111f;
  --bg2:#091827;
  --card:#0e2134;
  --text:#eef7ff;
  --muted:#a8bed0;
  --cyan:#16cdf4;
  --orange:#ff9700;
  --line:rgba(255,255,255,.12);
  --white:#fff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;
  background:linear-gradient(180deg,#030912 0%,#071827 45%,#08131f 100%);
  color:var(--text);
}
a{color:inherit;text-decoration:none}
.site-header{
  position:sticky;top:0;z-index:20;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px clamp(18px,4vw,64px);
  background:rgba(3,9,18,.82);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.brand{font-size:1.45rem;font-weight:900;letter-spacing:.5px}
.brand-mark{color:var(--cyan)}.brand-domain{color:var(--white)}
.main-nav{display:flex;gap:26px;color:var(--muted);font-weight:650}
.main-nav a:hover{color:var(--cyan)}
.header-cta{border:1px solid rgba(22,205,244,.5);padding:10px 14px;border-radius:999px;color:var(--cyan);font-weight:800}
.hero{
  position:relative;overflow:hidden;
  min-height:720px;
  display:grid;grid-template-columns:1.02fr .98fr;gap:40px;
  align-items:center;padding:70px clamp(18px,5vw,80px) 50px;
}
.hero-bg{
  position:absolute;inset:0;
  background:
    radial-gradient(circle at 16% 22%,rgba(22,205,244,.22),transparent 24%),
    radial-gradient(circle at 78% 28%,rgba(255,151,0,.16),transparent 24%);
  pointer-events:none;
}
.hero-content,.hero-logo-card{position:relative;z-index:1}
.eyebrow{color:var(--cyan);font-weight:900;text-transform:uppercase;letter-spacing:.12em;font-size:.82rem}
h1{font-size:clamp(2.6rem,6vw,5.8rem);line-height:.95;margin:12px 0 24px;letter-spacing:-.05em}
h2{font-size:clamp(2rem,4vw,3.4rem);line-height:1.02;margin:10px 0 18px;letter-spacing:-.04em}
h3{font-size:1.35rem;margin:12px 0 10px}
.lead{font-size:1.25rem;line-height:1.65;color:var(--muted);max-width:760px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:14px;padding:15px 20px;font-weight:900;border:1px solid var(--line)}
.btn.primary{background:linear-gradient(90deg,var(--cyan),#31e4ff);color:#04111d;box-shadow:0 12px 34px rgba(22,205,244,.24)}
.btn.secondary{background:rgba(255,255,255,.06);color:var(--text)}
.contact-strip{display:flex;gap:10px;margin-top:24px;color:var(--muted);font-weight:700}
.contact-strip a:hover,.direct-contact a:hover{color:var(--cyan)}
.hero-logo-card{
  border:1px solid var(--line);border-radius:28px;padding:18px;
  background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.03));
  box-shadow:0 20px 70px rgba(0,0,0,.3);
}
.hero-logo-card img{width:100%;display:block;border-radius:20px}
.trustline{
  display:grid;grid-template-columns:repeat(5,1fr);gap:1px;
  margin:0 clamp(18px,5vw,80px) 40px;border:1px solid var(--line);border-radius:22px;overflow:hidden;
  background:var(--line)
}
.trustline div{background:rgba(255,255,255,.04);padding:22px}
.trustline strong{display:block;color:var(--text);margin-bottom:6px}
.trustline span{color:var(--muted);font-size:.94rem}
.section{padding:80px clamp(18px,5vw,80px)}
.section-head{max-width:880px;margin-bottom:34px}
.section-head p,.section p{color:var(--muted);line-height:1.7}
.cards{display:grid;gap:22px}
.cards.three{grid-template-columns:repeat(3,1fr)}
.card,.calc-box,.process div,.contact-form{
  background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.035));
  border:1px solid var(--line);border-radius:24px;padding:28px;
  box-shadow:0 10px 40px rgba(0,0,0,.22)
}
.icon{width:52px;height:52px;border-radius:16px;background:rgba(22,205,244,.1);border:1px solid rgba(22,205,244,.4);display:grid;place-items:center;color:var(--cyan);font-weight:900}
.split{display:grid;grid-template-columns:1fr .8fr;gap:34px;align-items:center}
.checklist{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:12px}
.checklist li{padding-left:32px;position:relative;color:var(--muted)}
.checklist li:before{content:"✓";position:absolute;left:0;color:var(--orange);font-weight:900}
.calc-box{border-color:rgba(255,151,0,.28)}
.calc-row{display:flex;justify-content:space-between;gap:20px;padding:16px 0;border-bottom:1px solid var(--line);color:var(--muted)}
.calc-row strong{color:var(--text);text-align:right}
.calc-row.total{border-bottom:0;color:var(--orange);font-size:1.08rem}
.highlight{background:linear-gradient(90deg,rgba(22,205,244,.06),rgba(255,151,0,.06))}
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.process span{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--orange);color:#15100a;font-weight:900;margin-bottom:14px}
.social-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.social-grid a{border:1px solid var(--line);background:rgba(255,255,255,.05);padding:18px;border-radius:16px;text-align:center;font-weight:900;color:var(--muted)}
.social-grid a:hover{color:#071827;background:var(--cyan)}
.contact{display:grid;grid-template-columns:.8fr 1fr;gap:34px;align-items:start}
.direct-contact{display:grid;gap:10px;margin-top:22px;font-size:1.15rem;font-weight:900}
.contact-form{display:grid;gap:14px}
label{display:grid;gap:8px;color:var(--muted);font-weight:700}
input,select,textarea{
  width:100%;border:1px solid var(--line);border-radius:14px;background:rgba(0,0,0,.25);
  color:var(--text);padding:14px;font:inherit;outline:none;
}
input:focus,select:focus,textarea:focus{border-color:var(--cyan)}
.form-note{font-size:.9rem;color:var(--muted);margin:0}
.site-footer{
  display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:24px;
  padding:34px clamp(18px,5vw,80px);border-top:1px solid var(--line);color:var(--muted);background:#02070d
}
.site-footer strong{color:var(--text)}
@media(max-width:980px){
  .hero,.split,.contact{grid-template-columns:1fr}
  .trustline,.cards.three,.process,.social-grid,.site-footer{grid-template-columns:1fr 1fr}
  .main-nav{display:none}
  .hero{min-height:auto}
}
@media(max-width:620px){
  .trustline,.cards.three,.process,.social-grid,.site-footer{grid-template-columns:1fr}
  .site-header{gap:12px}.header-cta{display:none}
  h1{font-size:3rem}
  .contact-strip{flex-direction:column}
}


/* KI-KI.at Ergänzung: denkende Seite / KI-Fenster */
.ai-section{
  padding-top:70px;
  padding-bottom:70px;
  background:linear-gradient(90deg,rgba(22,205,244,.08),rgba(255,151,0,.06));
}
.ai-window{
  max-width:980px;
  margin:0 auto;
  border:1px solid rgba(22,205,244,.34);
  border-radius:28px;
  overflow:hidden;
  background:linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.04));
  box-shadow:0 24px 80px rgba(0,0,0,.32),0 0 40px rgba(22,205,244,.08);
}
.ai-window-top{
  display:flex;
  justify-content:space-between;
  gap:18px;
  align-items:center;
  padding:20px 24px;
  border-bottom:1px solid var(--line);
  background:rgba(3,9,18,.58);
}
.ai-window-top strong{display:block;font-size:1.15rem;color:var(--text)}
.ai-window-top span{display:block;color:var(--muted);font-size:.92rem;margin-top:4px}
.ai-window-top em{font-style:normal;color:var(--orange);font-weight:900;text-transform:uppercase;letter-spacing:.12em;font-size:.78rem}
.ai-chat{display:grid;gap:12px;padding:24px;min-height:210px}
.ai-message{max-width:82%;padding:14px 16px;border-radius:18px;line-height:1.55;color:var(--text)}
.ai-message.bot{background:rgba(22,205,244,.11);border:1px solid rgba(22,205,244,.25)}
.ai-message.user{justify-self:end;background:rgba(255,151,0,.12);border:1px solid rgba(255,151,0,.25)}
.ai-form{display:grid;grid-template-columns:1fr auto;gap:12px;padding:0 24px 20px}
.ai-note{margin:0;padding:0 24px 24px;color:var(--muted);font-size:.9rem;line-height:1.55}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
small{color:var(--muted);font-weight:500}
@media(max-width:620px){.ai-form{grid-template-columns:1fr}.ai-message{max-width:100%}.ai-window-top{align-items:flex-start;flex-direction:column}}

.solution-line{
  display:inline-flex;
  margin:8px 0 10px;
  padding:10px 14px;
  border:1px solid rgba(255,151,0,.45);
  border-radius:999px;
  color:var(--orange);
  background:rgba(255,151,0,.08);
  font-weight:900;
}