:root{
  --bg:#05070d; --bg2:#080b14;
  --cyan:#4ca8e8; --cyan-bright:#6ec4ff; --cyan-soft:rgba(76,168,232,.15);
  --line:rgba(120,170,220,.10);
  --txt:#e6edf6; --txt-dim:rgba(200,215,235,.62); --txt-faint:rgba(180,200,225,.38);
  --card:rgba(20,28,44,.55); --card-brd:rgba(110,160,220,.14);
  --max:1180px;
  /* System-Font-Fallbacks — keine externen Fonts. */
  --font-head:'Arial Narrow','Helvetica Neue',Helvetica,Arial,system-ui,sans-serif;
  --font-body:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg); color:var(--txt);
  font-family:var(--font-body); font-weight:300;
  line-height:1.6; overflow-x:hidden; position:relative;
}
#bg{position:fixed; inset:0; width:100vw; height:100vh; z-index:-2; display:block;}
.grid-overlay{
  position:fixed; inset:0; z-index:-1; pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(ellipse 90% 70% at 50% 30%,#000 40%,transparent 100%);
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 30%,#000 40%,transparent 100%);
}
a{color:inherit; text-decoration:none}
section{position:relative; z-index:1}

/* ── Nav ── */
#nav{
  position:sticky; top:0; z-index:50;
  display:flex; align-items:center; justify-content:space-between;
  padding:16px clamp(18px,5vw,54px);
  backdrop-filter:blur(12px);
  background:linear-gradient(180deg,rgba(5,7,13,.86),rgba(5,7,13,.4));
  border-bottom:1px solid rgba(110,160,220,.10);
}
.brand{display:flex; align-items:center; gap:11px}
.brand-orb{
  width:26px; height:26px; border-radius:50%;
  background:radial-gradient(circle at 35% 30%,var(--cyan-bright),var(--cyan) 45%,#12305a 75%,transparent);
  box-shadow:0 0 18px rgba(76,168,232,.7),0 0 40px rgba(76,168,232,.3);
}
/* Logo: PNG mit echtem transparentem Hintergrund (kein Blend-Trick nötig). */
.brand-logo{height:44px; width:auto; display:block}
.hero-logo{display:block; width:min(560px,86vw); max-width:100%; height:auto; margin:8px auto 0; filter:drop-shadow(0 0 30px rgba(76,168,232,.25))}
.hero-title{margin:20px 0 0!important}
.brand-sub{font-family:var(--font-body); font-size:9.5px; font-weight:400; letter-spacing:2.5px; color:var(--txt-faint); text-transform:uppercase; white-space:nowrap}
.app-logo{height:52px!important; margin:0 auto 22px}
.brand-text{font-family:var(--font-head); font-size:19px; font-weight:500; letter-spacing:2px; line-height:1}
.brand-text small{display:block; font-family:var(--font-body); font-size:9.5px; font-weight:400; letter-spacing:2.5px; color:var(--txt-faint); text-transform:uppercase; margin-top:3px}
.nav-links{display:flex; align-items:center; gap:30px}
.nav-links a{font-size:14px; letter-spacing:.4px; color:var(--txt-dim); transition:color .2s}
.nav-links a:hover{color:var(--txt)}
.btn-login{
  padding:8px 20px; border:1px solid rgba(110,160,220,.4); border-radius:8px;
  color:var(--cyan-bright)!important; font-weight:500;
  background:var(--cyan-soft); transition:all .2s;
}
.btn-login:hover{border-color:var(--cyan); box-shadow:0 0 22px rgba(76,168,232,.35); color:#fff!important}
#nav-toggle{display:none; background:none; border:none; color:var(--txt); font-size:22px; cursor:pointer}

/* ── Buttons ── */
.btn{display:inline-block; padding:14px 30px; border-radius:10px; font-size:15px; font-weight:500; letter-spacing:.4px; cursor:pointer; transition:all .22s}
.btn-primary{background:linear-gradient(180deg,var(--cyan),#2f7fc4); color:#06121f; box-shadow:0 6px 30px rgba(76,168,232,.35)}
.btn-primary:hover{transform:translateY(-2px); box-shadow:0 10px 40px rgba(76,168,232,.5)}
.btn-ghost{border:1px solid rgba(110,160,220,.35); color:var(--txt); background:rgba(20,28,44,.4)}
.btn-ghost:hover{border-color:var(--cyan); box-shadow:0 0 22px rgba(76,168,232,.3)}

/* ── Hero ── */
.hero{
  max-width:var(--max); margin:0 auto; text-align:center;
  padding:clamp(60px,11vh,120px) 22px 90px; position:relative;
}
.hero-orb{position:absolute; inset:0; z-index:-1; display:flex; align-items:center; justify-content:center; pointer-events:none}
.hero-orb canvas{width:min(560px,90vw); height:min(560px,90vw); opacity:.5}
.badge{
  display:inline-flex; align-items:center; gap:9px;
  padding:8px 18px; border:1px solid rgba(110,160,220,.28); border-radius:30px;
  background:rgba(20,28,44,.5); font-size:12.5px; letter-spacing:1.5px; color:var(--txt-dim); text-transform:uppercase;
}
.dot{width:8px; height:8px; border-radius:50%; background:#4ade80; box-shadow:0 0 10px #4ade80; animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero h1{
  font-family:var(--font-head); font-weight:600; text-transform:uppercase;
  font-size:clamp(46px,9vw,104px); line-height:.98; letter-spacing:2px; margin:26px 0 0;
  background:linear-gradient(180deg,#fff 30%,#9fc4ea 75%,#4ca8e8); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent;
}
.hero h1 .sub{
  display:block; font-size:clamp(16px,2.6vw,26px); font-weight:300; letter-spacing:4px;
  margin-top:16px; -webkit-text-fill-color:var(--txt-dim); color:var(--txt-dim); text-transform:none;
}
.lead{max-width:640px; margin:26px auto 0; font-size:clamp(15px,2vw,18px); color:var(--txt-dim)}
.cta-row{display:flex; gap:16px; justify-content:center; margin-top:38px; flex-wrap:wrap}

/* ── Sections ── */
.section{max-width:var(--max); margin:0 auto; padding:clamp(70px,11vh,110px) 22px}
.section-head{text-align:center; max-width:640px; margin:0 auto 54px}
.eyebrow{font-size:12.5px; letter-spacing:3px; text-transform:uppercase; color:var(--cyan); font-weight:500}
.section-head h2{font-family:var(--font-head); font-weight:500; font-size:clamp(28px,5vw,46px); letter-spacing:1px; margin:14px 0 12px; text-transform:uppercase}
.section-head p{color:var(--txt-dim)}

/* ── Cards ── */
.cards{display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:20px}
.card{
  padding:30px 26px; border:1px solid var(--card-brd); border-radius:16px;
  background:linear-gradient(180deg,var(--card),rgba(12,16,26,.5)); backdrop-filter:blur(6px);
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.card:hover{transform:translateY(-4px); border-color:rgba(76,168,232,.5); box-shadow:0 12px 44px rgba(76,168,232,.15)}
.card-ico{font-size:26px; width:52px; height:52px; display:flex; align-items:center; justify-content:center; border-radius:12px; background:var(--cyan-soft); border:1px solid rgba(76,168,232,.25); margin-bottom:18px}
.card h3{font-family:var(--font-head); font-weight:500; font-size:20px; letter-spacing:.6px; margin-bottom:9px}
.card p{color:var(--txt-dim); font-size:14.5px}

/* ── Steps ── */
.steps{display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:22px}
.step{padding:32px 26px; border:1px solid var(--card-brd); border-radius:16px; background:var(--card); position:relative; overflow:hidden}
.step-n{font-family:var(--font-head); font-size:44px; font-weight:600; color:transparent; -webkit-text-stroke:1px rgba(76,168,232,.5); display:block; margin-bottom:12px}
.step h3{font-family:var(--font-head); font-weight:500; font-size:20px; letter-spacing:.6px; margin-bottom:8px}
.step p{color:var(--txt-dim); font-size:14.5px}

/* ── Access ── */
.access-card{
  max-width:560px; margin:0 auto; text-align:center; padding:44px 34px;
  border:1px solid rgba(76,168,232,.3); border-radius:20px;
  background:radial-gradient(ellipse at 50% 0%,rgba(76,168,232,.12),transparent 70%),var(--card);
  box-shadow:0 0 60px rgba(76,168,232,.1);
}
.access-badge{display:inline-flex; align-items:center; gap:8px; padding:6px 16px; border:1px solid rgba(110,160,220,.3); border-radius:20px; font-size:12px; letter-spacing:1.5px; text-transform:uppercase; color:var(--txt-dim); margin-bottom:20px}
.access-card h3{font-family:var(--font-head); font-weight:500; font-size:26px; letter-spacing:1px; margin-bottom:12px}
.access-card p{color:var(--txt-dim); margin-bottom:24px}
.access-note{display:block; margin-top:16px; font-size:12.5px; color:var(--txt-faint)}

/* ── FAQ ── */
.faq{max-width:760px; margin:0 auto; display:flex; flex-direction:column; gap:12px}
.faq details{border:1px solid var(--card-brd); border-radius:12px; background:var(--card); overflow:hidden}
.faq summary{padding:20px 24px; cursor:pointer; font-family:var(--font-head); font-weight:400; font-size:17px; letter-spacing:.5px; list-style:none; display:flex; justify-content:space-between; align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+'; color:var(--cyan); font-size:22px; font-weight:300}
.faq details[open] summary::after{content:'−'}
.faq details p{padding:0 24px 22px; color:var(--txt-dim); font-size:14.5px}

/* ── Footer ── */
#footer{max-width:var(--max); margin:0 auto; padding:60px 22px 50px; text-align:center; border-top:1px solid rgba(110,160,220,.1)}
.foot-brand{display:inline-flex; align-items:center; gap:11px; margin-bottom:14px}
.foot-claim{color:var(--txt-dim); margin-bottom:22px}
.foot-links{display:flex; gap:26px; justify-content:center; flex-wrap:wrap; margin-bottom:26px}
.foot-links a{font-size:14px; color:var(--txt-dim); transition:color .2s}
.foot-links a:hover{color:var(--cyan)}
.foot-legal{font-size:12.5px; color:var(--txt-faint)}

/* ── Responsive ── */
@media(max-width:760px){
  .brand-logo{height:34px}
  .hero-logo{width:74vw; margin-left:auto; margin-right:auto}
  .brand-sub{font-size:8.5px; letter-spacing:2px}
  .nav-links{position:fixed; top:63px; right:0; flex-direction:column; align-items:flex-start; gap:4px; padding:18px 24px; background:rgba(8,11,20,.97); border-left:1px solid rgba(110,160,220,.14); border-bottom:1px solid rgba(110,160,220,.14); border-radius:0 0 0 14px; transform:translateX(110%); transition:transform .28s}
  .nav-links.open{transform:translateX(0)}
  .nav-links a{padding:10px 0; width:100%}
  #nav-toggle{display:block}
}

/* ── Login-Modal / Login-Karte ── */
.modal{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(3,5,10,.72);backdrop-filter:blur(6px)}
.modal.hidden{display:none}
.modal-card{width:min(400px,94vw);padding:34px 30px;border:1px solid rgba(76,168,232,.32);border-radius:18px;background:radial-gradient(ellipse at 50% 0%,rgba(76,168,232,.14),transparent 70%),rgba(14,20,32,.98);box-shadow:0 24px 90px rgba(0,0,0,.65);text-align:center;position:relative}
.modal-card h2{font-family:var(--font-head);font-weight:600;text-transform:uppercase;letter-spacing:1px;font-size:24px;margin-bottom:6px}
.modal-sub{color:var(--txt-dim);font-size:13.5px;margin-bottom:8px}
.modal-close{position:absolute;top:10px;right:16px;background:none;border:none;color:var(--txt-dim);font-size:26px;line-height:1;cursor:pointer}
.modal-close:hover{color:#fff}
.login-input{width:100%;padding:13px 16px;margin:16px 0 6px;border:1px solid rgba(110,160,220,.35);border-radius:10px;background:rgba(8,12,20,.7);color:var(--txt);font-size:15px}
.login-input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(76,168,232,.18)}
.modal-card .btn{width:100%;margin-top:10px}
.modal-err{color:#f87171;min-height:18px;margin-top:12px;font-size:14px}
.modal-note{color:var(--txt-faint);font-size:11.5px;margin-top:16px;letter-spacing:.3px}