:root{
  --ink:#16202c; --ink2:#3b4756; --muted:#6a7480; --line:#dfe3e8; --soft:#f4f6f8; --bg:#ffffff;
  --navy:#14233a; --acc:#2f5d8a; --acc-soft:#e8eff6; --warn:#9a5b13; --warn-soft:#fbf3e6;
  --max:1160px; --r:6px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);font-size:16.5px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--acc)}
h1,h2,h3,h4{font-weight:600;letter-spacing:-.01em;line-height:1.2;margin:0 0 .55em;color:var(--navy)}
h1{font-size:clamp(30px,4.2vw,46px)}
h2{font-size:clamp(23px,2.6vw,30px);margin-top:0}
h3{font-size:19px;margin-top:1.6em}
p{margin:0 0 1em}
.mono{font-family:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;font-size:.88em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.kicker{display:block;font-family:"IBM Plex Mono",monospace;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--acc);margin-bottom:10px}

/* Kopf */
.topbar{background:var(--navy);color:#c7d1dc;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;gap:12px;height:34px;align-items:center}
.topbar span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
header.site{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:66px;gap:16px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--navy)}
.brand .sq{width:34px;height:34px;border:2px solid var(--navy);display:grid;place-items:center;font-weight:700;font-size:13px;letter-spacing:.02em}
.brand b{display:block;font-size:15px;line-height:1.1}
.brand small{display:block;color:var(--muted);font-size:12.5px}
nav ul{list-style:none;margin:0;padding:0;display:flex;gap:2px}
nav a{display:block;white-space:nowrap;padding:8px 10px;text-decoration:none;color:var(--ink2);font-size:14.5px;font-weight:500;border-bottom:2px solid transparent}
nav a:hover{color:var(--navy)}
nav a[aria-current=page]{color:var(--navy);border-bottom-color:var(--acc)}
nav a .n{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--muted);margin-right:5px}
.menu{display:none;border:1px solid var(--line);background:#fff;padding:8px 12px;font:inherit;font-size:14px;cursor:pointer;border-radius:var(--r)}
@media (max-width:1120px){
  .menu{display:block}
  nav{position:absolute;top:66px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);display:none;box-shadow:0 8px 20px rgba(20,35,58,.08)}
  nav.open{display:block}
  nav ul{flex-direction:column;padding:8px 16px 16px}
  nav a{border-bottom:1px solid var(--line);padding:12px 4px}
  .topbar .wrap span:last-child{display:none}
}

/* Hero */
.hero{border-bottom:1px solid var(--line);background:linear-gradient(180deg,var(--soft),#fff 70%)}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;padding-top:56px;padding-bottom:56px;align-items:center}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr;gap:28px;padding-top:36px}}
.hero .lead{font-size:clamp(17px,1.5vw,19px);color:var(--ink2);max-width:60ch}
.hero figure{margin:0;border:1px solid var(--line);background:#fff;padding:8px}
.hero figure img{aspect-ratio:4/3;object-fit:cover;width:100%}
.hero figcaption{font-size:13px;color:var(--muted);padding:8px 4px 2px}
.meta{display:grid;grid-template-columns:repeat(2,1fr);border:1px solid var(--line);margin:26px 0 0;background:#fff}
.meta div{padding:11px 14px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.meta div:nth-child(2n){border-right:0}
.meta div:nth-last-child(-n+2){border-bottom:0}
.meta i{display:block;font-style:normal;font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.btns{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 18px;text-decoration:none;font-weight:600;font-size:14.5px;border:1px solid var(--navy);border-radius:var(--r)}
.btn.p{background:var(--navy);color:#fff}
.btn.s{color:var(--navy);background:#fff}
.btn:hover{filter:brightness(1.1)}

/* Seitenkopf */
.phead{border-bottom:1px solid var(--line);background:var(--soft)}
.phead .wrap{padding-top:40px;padding-bottom:34px}
.crumbs{font-size:13.5px;color:var(--muted);margin-bottom:16px}
.crumbs a{color:var(--muted)}
.phead p{color:var(--ink2);max-width:70ch;margin:0}
.chap{font-family:"IBM Plex Mono",monospace;color:var(--acc);font-weight:500;margin-right:10px}

section{padding:54px 0}
section+section{border-top:1px solid var(--line)}
section.soft{background:var(--soft)}

/* Layout mit Inhaltsverzeichnis */
.doc{display:grid;grid-template-columns:230px 1fr;gap:56px;align-items:start}
@media (max-width:980px){.doc{grid-template-columns:1fr;gap:0}.toc{display:none}}
.toc{position:sticky;top:96px;font-size:14px;border-left:2px solid var(--line);padding-left:16px}
.toc b{display:block;font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:10px;font-weight:500}
.toc a{display:block;color:var(--ink2);text-decoration:none;padding:4px 0}
.toc a:hover{color:var(--acc)}
.body{max-width:780px}
.body h2{padding-top:8px;scroll-margin-top:90px}
.body h3{scroll-margin-top:90px}
.body h2 .chap{font-size:.85em}
.block{margin-bottom:44px}

/* Elemente */
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{border:1px solid var(--line);background:#fff;padding:20px 22px;border-radius:var(--r);text-decoration:none;color:inherit;display:block}
a.card:hover{border-color:var(--acc);box-shadow:0 6px 18px rgba(20,35,58,.07)}
.card .no{font-family:"IBM Plex Mono",monospace;color:var(--acc);font-size:13px}
.card h3{margin:6px 0 6px;font-size:18px}
.card p{margin:0;color:var(--ink2);font-size:15px}
.stat{border-left:3px solid var(--acc);padding:4px 0 4px 16px}
.stat b{display:block;font-size:26px;color:var(--navy);line-height:1.2}
.stat span{font-size:14px;color:var(--muted)}
.note{border:1px solid var(--line);border-left:4px solid var(--acc);background:var(--acc-soft);padding:14px 18px;border-radius:0 var(--r) var(--r) 0;font-size:15px;margin:18px 0}
.note.w{border-left-color:var(--warn);background:var(--warn-soft)}
.quote{border-left:3px solid var(--navy);padding:6px 0 6px 18px;margin:12px 0 16px;color:var(--ink2);font-style:italic}
.ref{font-family:"IBM Plex Mono",monospace;font-size:12.5px;color:var(--acc);text-decoration:none;white-space:nowrap}
ol.steps{counter-reset:s;list-style:none;padding:0;margin:0}
ol.steps li{counter-increment:s;position:relative;padding:14px 16px 14px 62px;border:1px solid var(--line);border-radius:var(--r);margin-bottom:10px;background:#fff}
ol.steps li::before{content:counter(s,decimal-leading-zero);position:absolute;left:16px;top:13px;font-family:"IBM Plex Mono",monospace;font-weight:600;color:var(--acc)}
ol.q{padding-left:22px}ol.q li{margin-bottom:8px}

/* Tabellen */
.tw{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);margin:8px 0 20px}
table{width:100%;border-collapse:collapse;font-size:15px;background:#fff}
th,td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--soft);font-size:12.5px;font-family:"IBM Plex Mono",monospace;letter-spacing:.05em;text-transform:uppercase;color:var(--ink2);font-weight:500}
tr:last-child td{border-bottom:0}
td:first-child{font-weight:600;color:var(--navy)}
.tag{display:inline-block;white-space:nowrap;font-family:"IBM Plex Mono",monospace;font-size:11.5px;padding:2px 8px;border-radius:3px;background:var(--acc-soft);color:var(--acc);margin-right:6px}
.tag.o{background:var(--warn-soft);color:var(--warn)}

/* Fotodokumentation */
.figs{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media (max-width:900px){.figs{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.figs{grid-template-columns:1fr}}
.fig{margin:0;border:1px solid var(--line);background:#fff;border-radius:var(--r);overflow:hidden;cursor:zoom-in;text-decoration:none;color:inherit;display:block}
.fig img{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--soft)}
.fig .cap{padding:12px 14px;font-size:14px;color:var(--ink2)}
.fig .cap b{font-family:"IBM Plex Mono",monospace;color:var(--navy);font-weight:600;margin-right:6px}
.fig:hover{border-color:var(--acc)}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
@media (max-width:700px){.pair{grid-template-columns:1fr}}
.pair figure{margin:0;position:relative}
.pair img{width:100%;aspect-ratio:4/3;object-fit:cover}
.pair .lbl{position:absolute;left:12px;top:12px;background:var(--navy);color:#fff;font-size:12.5px;padding:4px 10px;font-family:"IBM Plex Mono",monospace}
.pair .lbl.g{background:#556b2f}
.pair figcaption{padding:12px 14px;font-size:14px;background:#fff;border-top:1px solid var(--line)}

/* Lightbox */
.lightbox{position:fixed;inset:0;background:#0e141c;z-index:1000;display:none;flex-direction:column}
.lightbox.open{display:flex}
.lb-bar{display:flex;align-items:center;justify-content:space-between;color:#fff;padding:10px 16px;gap:12px;background:#0a0f15;border-bottom:1px solid #223042;flex:none;flex-wrap:wrap}
.lb-bar .ttl{font-size:14.5px;max-width:52ch}
.lb-bar button,.lb-bar a{background:#1d2a3a;color:#fff;border:0;border-radius:4px;padding:8px 12px;font:inherit;font-size:13.5px;cursor:pointer;text-decoration:none}
.lb-zoom{display:flex;gap:6px;align-items:center}
.lb-zoom span{min-width:52px;text-align:center;font-size:13.5px;color:#b9c5d2}
.lb-stage{flex:1;min-height:0;position:relative;overflow:hidden;cursor:grab;touch-action:none}
.lb-stage.drag{cursor:grabbing}
.lb-stage img{position:absolute;left:0;top:0;transform-origin:0 0;max-width:none;user-select:none;-webkit-user-drag:none}
.lb-hint{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);background:rgba(0,0,0,.6);color:#ddd;font-size:12.5px;padding:6px 12px;border-radius:4px;pointer-events:none;white-space:nowrap}

.pager{display:flex;justify-content:space-between;gap:16px;border-top:1px solid var(--line);margin-top:44px;padding-top:24px;flex-wrap:wrap}
.pager a{text-decoration:none;font-weight:600;color:var(--navy)}
.pager small{display:block;font-weight:400;color:var(--muted);font-size:12.5px;font-family:"IBM Plex Mono",monospace;text-transform:uppercase;letter-spacing:.06em}

footer.site{background:var(--navy);color:#b9c5d2;font-size:14.5px;padding:44px 0 26px;margin-top:0}
footer.site .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}
@media (max-width:760px){footer.site .cols{grid-template-columns:1fr}}
footer.site h4{color:#fff;font-size:14.5px;margin:0 0 10px}
footer.site a{color:#dbe5ef;text-decoration:none}
footer.site ul{list-style:none;padding:0;margin:0}footer.site li{margin-bottom:5px}
footer.site .fine{border-top:1px solid #2a3b52;margin-top:28px;padding-top:14px;font-size:12.5px;color:#8a9aac}

/* Eigentum / Anreize */
.roles{display:grid;grid-template-columns:1fr 1.2fr 1fr;gap:18px;align-items:stretch;margin:10px 0 8px}
@media (max-width:820px){.roles{grid-template-columns:1fr}}
.role{border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;background:#fff;position:relative}
.role.main{border-color:var(--navy);box-shadow:inset 0 3px 0 var(--navy)}
.role h4{margin:4px 0 6px;font-size:16.5px}
.role ul{margin:0;padding-left:18px;font-size:14.5px;color:var(--ink2)}
.role li{margin-bottom:4px}
.role .k{font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--acc)}
.flow{display:flex;align-items:center;justify-content:center;gap:10px;font-family:"IBM Plex Mono",monospace;font-size:12.5px;color:var(--muted);margin:6px 0 18px;flex-wrap:wrap;text-align:center}
.flow b{color:var(--navy);font-weight:600}
.bars{border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;background:#fff;margin:10px 0 18px}
.bar{display:grid;grid-template-columns:64px 1fr 92px;gap:12px;align-items:center;font-size:14px;margin:7px 0}
.bar .t{height:16px;background:var(--soft);border-radius:3px;overflow:hidden}
.bar .t span{display:block;height:100%;background:var(--acc)}
.bar.late .t span{background:var(--warn)}
.bar .y{font-family:"IBM Plex Mono",monospace;color:var(--navy)}
.bar .v{text-align:right;font-family:"IBM Plex Mono",monospace;color:var(--ink2)}
.vs{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:10px 0 18px}
@media (max-width:720px){.vs{grid-template-columns:1fr}}
.vs .card h3{margin-top:4px}
.big{font-size:30px;font-weight:700;color:var(--navy);line-height:1.1;display:block;margin:4px 0}