:root{
  --bg:#060a14;--bg2:#0b1222;--card:#0f1930;--line:rgba(255,255,255,.09);
  --txt:#e8edf7;--mut:#9aa7c2;--cy:#3de0ff;--gold:#C6A673;--am:#C6A673;--vi:#1B4E81;
  --grad:linear-gradient(var(--cy),var(--cy));
  --r:20px;--btn:#1B4E81;--btn-h:#326495;--max:1180px;
  --font:"Avenir Next","Segoe UI",Inter,system-ui,-apple-system,Roboto,"Helvetica Neue",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--txt);font:17px/1.65 var(--font);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.wrap{width:min(var(--max),100% - 48px);margin:auto}
h1,h2,h3{line-height:1.08;letter-spacing:-.02em;font-weight:750}
h1{font-size:clamp(2.6rem,6.4vw,5.4rem)}
h2{font-size:clamp(2rem,4vw,3.2rem);margin-bottom:18px}
h3{font-size:1.25rem;letter-spacing:-.01em}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% 100%;animation:shift 8s ease-in-out infinite alternate}
@keyframes shift{to{background-position:100% 0}}
.eyebrow{display:inline-flex;gap:10px;align-items:center;font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--cy);margin-bottom:18px;font-weight:600}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--cy)}
p.lead{font-size:clamp(1.1rem,1.6vw,1.35rem);color:var(--mut);max-width:62ch}
section{padding:110px 0;position:relative}
.sub{color:var(--mut)}

/* nav */
header.nav{position:fixed;inset:0 0 auto;z-index:50;transition:.35s}
header.nav .in{display:flex;align-items:center;justify-content:space-between;height:76px}
header.nav.scrolled{background:rgba(6,10,20,.78);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.logo{font-weight:800;letter-spacing:-.02em;font-size:1.15rem;display:flex;align-items:center;gap:10px}
.logo i{width:12px;height:12px;border-radius:50%;background:var(--cy);box-shadow:0 0 0 0 var(--cy);animation:pulse 2.4s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 14px rgba(61,224,255,0)}100%{box-shadow:0 0 0 0 rgba(61,224,255,0)}}
nav ul{display:flex;gap:30px;list-style:none;align-items:center}
nav a.l{font-size:.95rem;color:var(--mut);transition:.2s;position:relative}
nav a.l:hover,nav a.l[aria-current]{color:#fff}
nav a.l[aria-current]::after{content:"";position:absolute;left:0;right:0;bottom:-8px;height:2px;background:var(--gold)}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 26px;border-radius:8px;font-weight:650;font-size:.98rem;border:1px solid transparent;transition:.25s;cursor:pointer}
.btn.pri{background:var(--btn);color:#fff;border-color:var(--btn)}
.btn.pri:hover{background:var(--btn-h);border-color:var(--btn-h);transform:translateY(-2px);box-shadow:0 10px 28px -10px rgba(50,100,149,.8)}
.btn.ghost{border-color:var(--line);background:rgba(255,255,255,.03)}
.btn.ghost:hover{border-color:var(--cy);color:var(--cy)}
.btn.sm{padding:10px 20px;font-size:.88rem}
.burger{display:none;background:none;border:0;color:#fff;font-size:1.7rem;cursor:pointer}

/* hero */
.hero{min-height:100vh;display:flex;align-items:center;padding:130px 0 80px;overflow:hidden}
.hero canvas#bg{position:absolute;inset:0;width:100%;height:100%;z-index:0}
.hero .glow{position:absolute;width:60vw;height:60vw;right:-15vw;top:-10vw;background:radial-gradient(circle,rgba(27,78,129,.45),transparent 60%);filter:blur(40px);z-index:0}
.hero .grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.hero h1{margin:6px 0 26px}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:36px}
.portrait{position:relative;justify-self:center;width:min(440px,90%)}
.portrait::before{content:"";position:absolute;inset:8% 4% 0;border-radius:50%;background:conic-gradient(from 0deg,var(--cy),var(--vi),var(--am),var(--cy));filter:blur(60px);opacity:.45;animation:spin 14s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.portrait img{position:relative;filter:drop-shadow(0 30px 50px rgba(0,0,0,.6));mask-image:linear-gradient(#000 82%,transparent)}
.chip{position:absolute;z-index:3;background:rgba(15,25,48,.8);backdrop-filter:blur(10px);border:1px solid var(--line);padding:10px 16px;border-radius:14px;font-size:.82rem;animation:float 6s ease-in-out infinite}
.chip b{display:block;color:var(--cy);font-size:1.15rem}
.chip.a{left:-8%;top:22%}.chip.b{right:-6%;bottom:26%;animation-delay:-3s}
@keyframes float{50%{transform:translateY(-12px)}}
.scroll{position:absolute;bottom:28px;left:50%;z-index:2;width:26px;height:42px;border:2px solid var(--mut);border-radius:14px;opacity:.6}
.scroll::after{content:"";position:absolute;left:50%;top:8px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:var(--cy);animation:wheel 1.8s infinite}
@keyframes wheel{to{transform:translateY(14px);opacity:0}}

/* marquee */
.marquee{border-block:1px solid var(--line);padding:26px 0;overflow:hidden;background:var(--bg2)}
.marquee .tr{display:flex;gap:64px;width:max-content;animation:mq 38s linear infinite;color:var(--mut);font-weight:700;font-size:1.25rem;letter-spacing:.04em;white-space:nowrap}
.marquee:hover .tr{animation-play-state:paused}
@keyframes mq{to{transform:translateX(-50%)}}
.marquee small{display:block;text-align:center;font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--cy);margin-bottom:16px}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{padding:34px 26px;border:1px solid var(--line);border-radius:var(--r);background:linear-gradient(160deg,rgba(255,255,255,.04),transparent)}
.stat b{font-size:clamp(2.4rem,4vw,3.6rem);letter-spacing:-.03em;display:block;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{color:var(--mut);font-size:.95rem}

/* cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:48px}
.card{position:relative;padding:34px;border-radius:var(--r);background:var(--card);border:1px solid var(--line);overflow:hidden;transition:.35s;display:flex;flex-direction:column;gap:12px}
.card::before{content:"";position:absolute;inset:0;background:radial-gradient(500px circle at var(--mx,50%) var(--my,0%),rgba(61,224,255,.14),transparent 45%);opacity:0;transition:.3s}
.card:hover{transform:translateY(-6px);border-color:rgba(61,224,255,.4)}
.card:hover::before{opacity:1}
.card>*{position:relative}
.card .no{font-size:.8rem;color:var(--cy);letter-spacing:.15em;font-weight:700}
.card p{color:var(--mut);font-size:.98rem}
.card .more{margin-top:auto;color:var(--cy);font-weight:650;font-size:.92rem;padding-top:8px}
.ico{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:rgba(61,224,255,.1);color:var(--cy);font-size:1.4rem}

/* embodied band */
.band{background:linear-gradient(180deg,var(--bg),#0a1330 50%,var(--bg));overflow:hidden}
.split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
#bot{width:100%;aspect-ratio:1/1.05;max-height:620px;border-radius:30px;border:1px solid var(--line);background:radial-gradient(circle at 50% 40%,rgba(61,224,255,.1),transparent 65%),var(--bg2)}
.ticks{list-style:none;margin-top:26px;display:grid;gap:14px}
.ticks li{display:flex;gap:14px;color:var(--mut)}
.ticks li::before{content:"";flex:none;margin-top:.55em;width:8px;height:8px;border-radius:50%;background:var(--cy);box-shadow:0 0 12px var(--cy)}
.ticks b{color:var(--txt)}

/* book */
.bookhero{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:center}
.cover{perspective:1200px;justify-self:center}
.cover .b{position:relative;width:min(330px,76vw);aspect-ratio:3/4.4;border-radius:6px 14px 14px 6px;background:linear-gradient(150deg,#0e2142,#14123a 55%,#2a1646);border:1px solid rgba(255,255,255,.14);padding:34px 28px;display:flex;flex-direction:column;justify-content:space-between;transform:rotateY(-22deg) rotateX(4deg);transition:transform .6s;box-shadow:-24px 30px 60px rgba(0,0,0,.6),0 0 90px rgba(61,224,255,.15);overflow:hidden}
.cover .b:hover{transform:rotateY(-6deg) rotateX(1deg)}
.cover .b::before{content:"";position:absolute;left:0;top:0;bottom:0;width:16px;background:linear-gradient(90deg,rgba(0,0,0,.5),transparent)}
.cover .b canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.8}
.cover .t{position:relative;font-size:2rem;line-height:1.02;font-weight:800;letter-spacing:-.03em}
.cover .a{position:relative;font-size:.8rem;letter-spacing:.2em;text-transform:uppercase;color:var(--mut)}
.cover .h{position:relative;font-size:.7rem;letter-spacing:.2em;color:var(--am);text-transform:uppercase}
.tl{position:relative;margin-top:50px;display:grid;gap:0}
.tl::before{content:"";position:absolute;left:23px;top:10px;bottom:10px;width:2px;background:linear-gradient(var(--cy),var(--vi),var(--am));opacity:.5}
.tl .it{position:relative;display:grid;grid-template-columns:48px 1fr;gap:22px;padding:18px 0}
.tl .n{width:48px;height:48px;border-radius:50%;background:var(--bg);border:2px solid var(--cy);display:grid;place-items:center;font-weight:800;color:var(--cy);z-index:1}
.tl h3{margin-bottom:4px}
.tl p{color:var(--mut);font-size:.97rem}
.quote{font-size:clamp(1.4rem,2.6vw,2.2rem);line-height:1.3;font-weight:600;letter-spacing:-.02em;max-width:26ch}
blockquote.t{padding:30px;border-radius:var(--r);background:var(--card);border:1px solid var(--line)}
blockquote.t p{font-size:1.02rem;color:var(--txt)}
blockquote.t cite{display:block;margin-top:16px;font-style:normal;color:var(--mut);font-size:.88rem}
blockquote.t cite b{color:var(--cy);display:block}

/* press */
.pr{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.dl{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:20px 24px;border-radius:16px;border:1px solid var(--line);background:var(--card);transition:.25s}
.dl:hover{border-color:var(--cy);transform:translateX(4px)}
.dl small{color:var(--mut)}
.faq details{border-bottom:1px solid var(--line);padding:22px 0}
.faq summary{cursor:pointer;font-weight:650;font-size:1.1rem;list-style:none;display:flex;justify-content:space-between;gap:20px}
.faq summary::after{content:"+";color:var(--cy);font-size:1.5rem;line-height:1;transition:.3s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin-top:12px;color:var(--mut);max-width:70ch}
.pagehead{padding:170px 0 70px;position:relative;overflow:hidden}
.pagehead canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.7}
.pagehead .wrap{position:relative}
.pagehead h1{font-size:clamp(2.4rem,5.4vw,4.4rem);max-width:18ch;margin-bottom:22px}
.factbox{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 40px;padding:30px;border-radius:var(--r);background:var(--card);border:1px solid var(--line)}
.factbox dt{font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--cy)}
.factbox dd{margin-bottom:8px}
.pill{display:inline-block;padding:7px 16px;border:1px solid var(--line);border-radius:999px;font-size:.88rem;color:var(--mut);margin:0 8px 10px 0;transition:.2s}
.pill:hover{border-color:var(--cy);color:#fff}

/* cta + footer */
.ctaband{padding:100px 0}
.ctabox{padding:clamp(40px,6vw,84px);border-radius:32px;background:radial-gradient(800px circle at 100% 0,rgba(27,78,129,.5),transparent 55%),radial-gradient(700px circle at 0 100%,rgba(61,224,255,.25),transparent 55%),var(--card);border:1px solid var(--line);text-align:center}
.ctabox h2{max-width:20ch;margin-inline:auto}
.ctabox p{margin:0 auto 34px;color:var(--mut);max-width:56ch}
footer{border-top:1px solid var(--line);padding:56px 0 40px;color:var(--mut);font-size:.92rem}
footer .g{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
footer h4{color:#fff;font-size:.82rem;letter-spacing:.15em;text-transform:uppercase;margin-bottom:14px}
footer li{list-style:none;margin-bottom:8px}
footer a:hover{color:var(--cy)}
footer .cp{margin-top:40px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.84rem}

/* reveal */
.rv{opacity:0;transform:translateY(34px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.1s}.rv.d2{transition-delay:.2s}.rv.d3{transition-delay:.3s}
.prog{position:fixed;top:0;left:0;height:3px;width:0;background:var(--grad);z-index:100}

@media(max-width:980px){
  .hero .grid,.split,.bookhero{grid-template-columns:1fr;gap:50px}
  .cards,.pr{grid-template-columns:1fr 1fr}.stats{grid-template-columns:1fr 1fr}
  footer .g{grid-template-columns:1fr 1fr}
  .portrait{order:-1;width:min(300px,70%)}
  nav ul{position:fixed;inset:76px 0 auto;flex-direction:column;gap:0;background:rgba(6,10,20,.97);padding:10px 24px 30px;transform:translateY(-130%);transition:.4s;border-bottom:1px solid var(--line)}
  nav ul.open{transform:none}nav ul li{padding:14px 0;border-bottom:1px solid var(--line);width:100%}
  .burger{display:block}
}
@media(max-width:640px){
  section{padding:76px 0}.cards,.pr,.factbox{grid-template-columns:1fr}
  .chip{display:none}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.rv{opacity:1;transform:none}}

/* bilder: nie verzerren */
.ph{width:100%;overflow:hidden;border-radius:12px}
.ph img{width:100%;height:100%;object-fit:cover}
.portrait img{width:100%;height:auto}
.cover .b.img{padding:0;background:none;aspect-ratio:auto;border:0;overflow:hidden}
.cover .b.img::before{display:none}
.cover .b.img img{width:100%;height:auto;border-radius:6px 14px 14px 6px}
.plogo{display:inline-flex;align-items:center;padding:8px 18px;background:#fff;border-radius:8px}
.plogo img{height:36px;width:auto}
.card figcaption{margin-top:4px}

.mailimg{height:26px;width:auto;display:block;user-select:none;-webkit-user-drag:none}
.mailbox{display:inline-flex;align-items:center;padding:11px 22px;border:1px solid var(--line);border-radius:8px;background:rgba(255,255,255,.03)}
.btn.ghost .mailimg{height:22px}

/* fachbeitraege */
.prose{max-width:720px;margin:auto}
.prose h2{font-size:clamp(1.5rem,2.6vw,2rem);margin:56px 0 16px;color:#fff}
.prose p{color:#c3cde2;font-size:1.1rem;line-height:1.8;margin-bottom:18px}
.pull{margin:56px 0;padding:6px 0 6px 28px;border-left:3px solid var(--gold);font-size:clamp(1.4rem,2.6vw,1.9rem);line-height:1.35;font-weight:650;letter-spacing:-.01em;color:#fff}
.pull cite{display:block;margin-top:14px;font-size:.88rem;font-weight:400;color:var(--mut);font-style:normal;letter-spacing:0}
@media(max-width:640px){.factbox[style*="1fr 1fr"]{grid-template-columns:1fr!important}.factbox div[style*="flex-end"]{justify-content:flex-start!important}}

/* 3D-Hand */
.headgrid{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center}
.handbox{position:relative}
.handbox::before{content:"";position:absolute;inset:12% 8%;border-radius:50%;background:radial-gradient(circle,rgba(61,224,255,.22),rgba(27,78,129,.18) 45%,transparent 70%);filter:blur(30px)}
.handbox canvas{position:relative;width:100%;height:460px;display:block;cursor:grab;touch-action:pan-y}
.handhint{position:relative;text-align:center;font-size:.8rem;color:var(--mut);margin-top:4px}
@media(max-width:980px){.headgrid{grid-template-columns:1fr}.handbox canvas{height:340px}}

/* 3D-Buch mit Tiefe */
.cover{perspective:1600px;padding:30px 40px 50px;position:relative}
.cover::after{content:"";position:absolute;left:12%;right:6%;bottom:18px;height:34px;background:radial-gradient(ellipse at 50% 50%,rgba(0,0,0,.65),transparent 70%);filter:blur(8px);z-index:0}
.book{--w:min(320px,70vw);--h:calc(var(--w)*1.4118);--d:calc(var(--w)*.16);position:relative;width:var(--w);height:var(--h);transform-style:preserve-3d;transform:rotateX(5deg) rotateY(30deg);will-change:transform;z-index:1}
.book .face{position:absolute;backface-visibility:hidden}
.book .front{inset:0;transform:translateZ(calc(var(--d)/2));border-radius:2px 6px 6px 2px;overflow:hidden;box-shadow:0 0 0 1px rgba(255,255,255,.06)}
.book .front img{width:100%;height:100%;display:block;object-fit:cover}
.book .front::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(255,255,255,0) 0 3%,rgba(0,0,0,.28) 3.6%,rgba(255,255,255,.14) 5%,rgba(255,255,255,0) 8%),linear-gradient(120deg,rgba(255,255,255,.22),rgba(255,255,255,0) 42%,rgba(0,0,0,.18));pointer-events:none}
.book .back{inset:0;transform:translateZ(calc(var(--d)/-2)) rotateY(180deg);background:#122340;border-radius:6px 2px 2px 6px}
.book .spine{top:0;left:0;width:var(--d);height:100%;transform:translateX(calc(var(--d)/-2)) rotateY(-90deg);background:linear-gradient(90deg,#9f1d1d,#c92b2b 45%,#a11f1f);display:flex;flex-direction:column;align-items:center;justify-content:space-between;padding:7% 0;overflow:hidden}
.book .spine span{writing-mode:vertical-rl;color:#fff;font-weight:700;font-size:calc(var(--d)*.34);letter-spacing:.02em;white-space:nowrap}
.book .spine em{font-style:normal;writing-mode:vertical-rl;color:#ffd9d9;font-size:calc(var(--d)*.26);letter-spacing:.14em;text-transform:uppercase}
.book .pages{top:1.2%;left:100%;width:var(--d);height:97.6%;transform:translateX(calc(var(--d)/-2)) rotateY(90deg);background:repeating-linear-gradient(90deg,#f3eee3 0 2px,#d9d1c0 2px 3px)}
.book .top,.book .bottom{left:1.2%;width:98%;height:var(--d);background:repeating-linear-gradient(0deg,#f3eee3 0 2px,#d9d1c0 2px 3px)}
.book .top{top:0;transform:translateY(calc(var(--d)/-2)) rotateX(90deg)}
.book .bottom{top:100%;transform:translateY(calc(var(--d)/-2)) rotateX(-90deg);background:repeating-linear-gradient(0deg,#e9e2d2 0 2px,#c9c0ad 2px 3px)}
@media(max-width:640px){.cover{padding:20px 20px 40px}}