:root{
    --ink:#101E2B;
    --slate:#3E4E5E;
    --paper:#F3F1EA;
    --paper-raised:#FFFFFF;
    --brass:#8E6E36;
    --brass-dark:#6E5427;
    --burgundy:#6B2A2A;
    --line:#D7D2C4;
    --line-strong:#B9B2A0;
    --serif:'Fraunces', Georgia, serif;
    --sans:'IBM Plex Sans', -apple-system, sans-serif;
    --mono:'IBM Plex Mono', monospace;
    --max:1180px;
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--paper);
    color:var(--ink);
    font-family:var(--sans);
    line-height:1.6;
    font-size:16px;
    -webkit-font-smoothing:antialiased;
  }
  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto;}
    *{animation-duration:0.001ms !important; transition-duration:0.001ms !important;}
  }
  a{color:inherit;}
  img{max-width:100%; display:block;}
  .wrap{max-width:var(--max); margin:0 auto; padding:0 32px;}
  h1,h2,h3{font-family:var(--serif); font-weight:600; letter-spacing:-0.01em; color:var(--ink);}
  .eyebrow{
    font-family:var(--mono); font-size:12.5px; letter-spacing:0.12em; text-transform:uppercase;
    color:var(--brass-dark); display:flex; align-items:center; gap:10px; margin-bottom:18px;
  }
  .eyebrow::before{content:""; width:22px; height:1px; background:var(--brass-dark); display:inline-block;}
  header{
    position:sticky; top:0; z-index:50;
    background:rgba(243,241,234,0.92); backdrop-filter:blur(6px);
    border-bottom:1px solid var(--line);
  }
  .nav{display:flex; align-items:center; justify-content:space-between; padding:18px 32px; max-width:var(--max); margin:0 auto; gap:20px;}
  .brand{text-decoration:none; display:flex; align-items:center; gap:12px; font-family:var(--serif); font-weight:600; font-size:20px; flex-shrink:0;}
  .brand-mark{
    width:34px; height:34px; border-radius:50%; border:1.5px solid var(--brass);
    display:flex; align-items:center; justify-content:center; font-family:var(--mono);
    font-size:12px; color:var(--brass-dark); flex-shrink:0;
  }
  nav ul{list-style:none; display:flex; gap:28px;}
  nav ul a{font-size:14px; text-decoration:none; color:var(--slate); transition:color .15s; white-space:nowrap;}
  nav ul a:hover{color:var(--ink);}
  .nav-right{display:flex; align-items:center; gap:16px;}
  .nav-cta{
    font-family:var(--sans); font-size:14px; font-weight:600; text-decoration:none;
    background:var(--ink); color:var(--paper); padding:10px 20px; border-radius:2px;
    transition:background .15s; white-space:nowrap;
  }
  .nav-cta:hover{background:var(--brass-dark);}
  .lang-switch{position:relative;}
  .lang-btn{
    font-family:var(--mono); font-size:12.5px; letter-spacing:0.05em; background:var(--paper-raised);
    border:1px solid var(--line-strong); border-radius:2px; padding:9px 12px; cursor:pointer;
    color:var(--ink); display:flex; align-items:center; gap:6px;
  }
  .lang-btn:hover{border-color:var(--brass);}
  .lang-menu{
    position:absolute; top:calc(100% + 6px); right:0; background:var(--paper-raised);
    border:1px solid var(--line-strong); border-radius:2px; min-width:170px; display:none;
    box-shadow:0 8px 24px rgba(16,30,43,0.12); z-index:60;
  }
  .lang-menu.open{display:block;}
  .lang-menu a{
    text-decoration:none; width:100%; text-align:left; background:none; border:none; padding:10px 14px; font-size:14px;
    cursor:pointer; color:var(--ink); display:flex; justify-content:space-between; gap:8px;
  }
  .lang-menu a:hover, .lang-menu a:focus-visible{background:var(--paper);}
  .lang-menu a .code{font-family:var(--mono); font-size:11px; color:var(--brass-dark);}
  .lang-menu a.active{font-weight:600;}
  .hero{padding:96px 0 80px; position:relative; overflow:hidden; border-top:none;}
  .hero .wrap{display:grid; grid-template-columns:1.15fr 0.85fr; gap:64px; align-items:start;}
  .hero h1{font-size:clamp(32px,4.4vw,54px); line-height:1.08; margin-bottom:26px;}
  .hero h1 em{font-style:italic; color:var(--brass-dark);}
  .hero p.lead{font-size:18px; color:var(--slate); max-width:52ch; margin-bottom:34px;}
  .hero-ctas{display:flex; gap:16px; flex-wrap:wrap; margin-bottom:40px;}
  .btn-primary, .btn-secondary{
    font-family:var(--sans); font-weight:600; font-size:15px; text-decoration:none;
    padding:14px 26px; border-radius:2px; display:inline-block; transition:all .15s;
  }
  .btn-primary{background:var(--ink); color:var(--paper);}
  .btn-primary:hover{background:var(--brass-dark);}
  .btn-secondary{border:1.5px solid var(--line-strong); color:var(--ink);}
  .btn-secondary:hover{border-color:var(--ink);}
  .hero-note{font-family:var(--mono); font-size:12.5px; color:var(--slate); display:flex; gap:8px; align-items:center;}
  .hero-note::before{content:"§"; color:var(--brass-dark); font-weight:600;}
  .seal{
    border:1.5px dashed var(--brass); border-radius:50%;
    width:220px; height:220px; margin-left:auto;
    display:flex; flex-direction:column; align-items:center; justify-content:center;
    text-align:center; padding:20px; position:relative;
  }
  .seal::before{
    content:""; position:absolute; inset:10px; border:1px solid var(--line-strong); border-radius:50%;
  }
  .seal .seal-label{font-family:var(--mono); font-size:10.5px; letter-spacing:0.1em; text-transform:uppercase; color:var(--brass-dark); margin-bottom:8px;}
  .seal .seal-title{font-family:var(--serif); font-size:17px; font-weight:600; line-height:1.25; margin-bottom:8px;}
  .seal .seal-ref{font-family:var(--mono); font-size:10px; color:var(--slate);}
  section{padding:88px 0; border-top:1px solid var(--line);}
  .section-head{max-width:640px; margin-bottom:56px;}
  .section-head h2{font-size:clamp(26px,3vw,38px); line-height:1.15; margin-bottom:16px;}
  .section-head p{color:var(--slate); font-size:16.5px;}
  .timeline{position:relative;}
  .timeline-line{
    position:absolute; left:29px; top:8px; bottom:8px; width:1px; background:var(--line-strong);
  }
  .tstep{display:grid; grid-template-columns:60px 1fr; gap:24px; padding:26px 0; position:relative;}
  .tstep:not(:last-child){border-bottom:1px solid var(--line);}
  .tnum{
    font-family:var(--mono); font-size:13px; color:var(--brass-dark); background:var(--paper);
    width:60px; height:60px; border:1px solid var(--brass); border-radius:50%;
    display:flex; align-items:center; justify-content:center; font-weight:600; z-index:1;
  }
  .tstep h3{font-size:20px; margin-bottom:8px;}
  .tstep p{color:var(--slate); max-width:60ch;}
  .tstep .tref{font-family:var(--mono); font-size:12px; color:var(--brass-dark); margin-top:8px; display:inline-block;}
  .tstep.tstop{background:linear-gradient(90deg, rgba(142,110,54,0.06), transparent); border-radius:4px; padding-left:16px; margin-left:-16px;}
  .services{display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
  .service{background:var(--paper-raised); padding:40px; }
  .service .snum{font-family:var(--mono); font-size:12px; color:var(--brass-dark); margin-bottom:18px;}
  .service h3{font-size:21px; margin-bottom:12px;}
  .service p{color:var(--slate); font-size:15.5px;}
  .glossary{display:grid; grid-template-columns:1fr 1fr; gap:0 48px;}
  .gterm{border-bottom:1px solid var(--line); padding:20px 0;}
  .gterm .gname{font-family:var(--serif); font-weight:600; font-size:17px; display:flex; gap:8px; align-items:baseline;}
  .gterm .gname .gmark{font-family:var(--mono); color:var(--brass-dark); font-size:14px;}
  .gterm dd{color:var(--slate); font-size:14.5px; margin-top:6px;}
  .ledger{border:1px solid var(--line-strong); background:var(--paper-raised);}
  .ledger-row{display:grid; grid-template-columns:1fr 2fr; gap:24px; padding:24px 32px; border-bottom:1px solid var(--line);}
  .ledger-row:last-child{border-bottom:none;}
  .ledger-row .lkey{font-family:var(--mono); font-size:13px; color:var(--brass-dark);}
  .ledger-row .lval{color:var(--ink); font-size:15.5px;}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-q{
    width:100%; text-align:left; background:none; border:none; cursor:pointer;
    padding:24px 0; font-family:var(--serif); font-size:18px; font-weight:600; color:var(--ink);
    display:flex; justify-content:space-between; align-items:center; gap:20px;
  }
  .faq-q .plus{font-family:var(--mono); color:var(--brass-dark); font-size:20px; transition:transform .2s; flex-shrink:0;}
  .faq-item.open .plus{transform:rotate(45deg);}
  .faq-item h3{font-size:inherit; margin:0;}
  html.js .faq-a{max-height:0; overflow:hidden; transition:max-height .25s ease;}
  .faq-a p{color:var(--slate); padding-bottom:24px; max-width:65ch;}
  .contact-grid{display:grid; grid-template-columns:1fr 1fr; gap:64px;}
  .contact-grid h2{font-size:30px; margin-bottom:18px;}
  .contact-grid p{color:var(--slate); margin-bottom:28px; max-width:48ch;}
  form{display:flex; flex-direction:column; gap:18px;}
  label{font-family:var(--mono); font-size:12px; text-transform:uppercase; letter-spacing:0.08em; color:var(--slate); margin-bottom:6px; display:block;}
  input, textarea, select{
    width:100%; background:var(--paper-raised); border:1px solid var(--line-strong); border-radius:2px;
    padding:12px 14px; font-family:var(--sans); font-size:15px; color:var(--ink);
  }
  input:focus, textarea:focus, select:focus{outline:2px solid var(--brass); outline-offset:1px; border-color:var(--brass);}
  textarea{resize:vertical; min-height:110px;}
  .form-submit{
    background:var(--ink); color:var(--paper); border:none; padding:14px 26px; font-weight:600;
    font-family:var(--sans); font-size:15px; cursor:pointer; border-radius:2px; align-self:flex-start; transition:background .15s;
  }
  .form-submit:hover{background:var(--brass-dark);}
  .form-note{font-family:var(--mono); font-size:12px; color:var(--slate); margin-top:4px;}
  .contact-info{border-top:1px solid var(--line); margin-top:28px; padding-top:28px;}
  .contact-info div{margin-bottom:14px; font-size:15px;}
  .contact-info .clabel{font-family:var(--mono); color:var(--brass-dark); font-size:12px; display:block; margin-bottom:4px; text-transform:uppercase; letter-spacing:0.06em;}
  .contact-info .cval{display:block; color:var(--ink);}
  .disclaimer{background:var(--ink); color:var(--paper); padding:28px 0;}
  .disclaimer .wrap{display:flex; gap:16px; align-items:flex-start;}
  .disclaimer p{font-size:13.5px; color:#C9CFD6; max-width:80ch;}
  .disclaimer strong{color:var(--paper);}
  footer{padding:48px 0 40px; border-top:1px solid var(--line);}
  .footer-grid{display:flex; justify-content:space-between; align-items:flex-start; flex-wrap:wrap; gap:24px;}
  .footer-links{display:flex; gap:24px; flex-wrap:wrap;}
  .footer-links a{font-size:13.5px; color:var(--slate); text-decoration:none;}
  .footer-links a:hover{color:var(--ink);}
  .footer-brand{font-family:var(--serif); font-weight:600; font-size:16px;}
  .footer-copy{font-family:var(--mono); font-size:12px; color:var(--slate); margin-top:6px;}
  html.js .reveal{opacity:0; transform:translateY(14px); transition:opacity .5s ease, transform .5s ease;}
  html.js .reveal.in{opacity:1; transform:none;}
  @media (max-width: 860px){
    .nav nav{display:none;}
    .hero .wrap{grid-template-columns:1fr; gap:40px;}
    .seal{margin:0 auto;}
    .services{grid-template-columns:1fr;}
    .glossary{grid-template-columns:1fr;}
    .ledger-row{grid-template-columns:1fr;}
    .contact-grid{grid-template-columns:1fr;}
    section{padding:64px 0;}
    .wrap{padding:0 20px;}
  }
  /* Ergänzungen: Unterseiten, Fokus, Breadcrumb */
  a:focus-visible, button:focus-visible{outline:2px solid var(--brass); outline-offset:2px;}
  .skip{position:absolute; left:-9999px; top:0; background:var(--ink); color:var(--paper); padding:10px 16px; z-index:100;}
  .skip:focus{left:16px; top:12px;}
  .crumbs{font-family:var(--mono); font-size:12.5px; color:var(--slate); padding-top:32px;}
  .crumbs ol{list-style:none; display:flex; flex-wrap:wrap; gap:8px;}
  .crumbs li+li::before{content:"/"; margin-right:8px; color:var(--line-strong);}
  .crumbs a{text-decoration:none;} .crumbs a:hover{text-decoration:underline;}
  .article-hero{padding:40px 0 64px; border-top:none;}
  .article-hero h1{font-size:clamp(30px,4vw,50px); line-height:1.1; margin-bottom:22px; max-width:22ch;}
  .article-hero .lead{font-size:18px; color:var(--slate); max-width:62ch;}
  .stand{font-size:14px; color:var(--slate); border-left:2px solid var(--brass); padding-left:14px; margin-top:24px; max-width:70ch;}
  .twolists{display:grid; grid-template-columns:1fr 1fr; gap:24px;}
  .listbox{background:var(--paper-raised); border:1px solid var(--line); border-top:3px solid var(--brass); padding:32px;}
  .listbox.warn{border-top-color:var(--burgundy);}
  .listbox h3{font-size:20px; margin-bottom:16px;}
  .listbox ul{list-style:none;}
  .listbox li{padding:8px 0 8px 26px; position:relative; color:var(--slate); border-bottom:1px solid var(--line);}
  .listbox li:last-child{border-bottom:none;}
  .listbox li::before{content:"✓"; position:absolute; left:0; color:var(--brass-dark); font-weight:600;}
  .listbox.warn li::before{content:"!"; color:var(--burgundy); font-family:var(--mono);}
  .listbox .src{font-family:var(--mono); font-size:12px; color:var(--brass-dark); margin-top:14px;}
  .sources{columns:2; column-gap:48px; list-style:none;}
  .sources li{break-inside:avoid; padding:8px 0; border-bottom:1px solid var(--line); font-size:15px;}
  .inline-link{color:var(--brass-dark); font-weight:600;}
  .err{padding:120px 0;} .err h1{font-size:clamp(30px,4vw,48px); margin-bottom:18px;}
  @media (max-width: 860px){
    .twolists{grid-template-columns:1fr;}
    .sources{columns:1;}
    .listbox{padding:24px;}
  }
  .section-head .eyebrow{color:var(--brass-dark); font-size:12.5px;}
  .brand-name{white-space:nowrap;}
  [id]{scroll-margin-top:96px;}