:root{
    --ink:#111a2e;          /* Tiefes Tintenblau – Text & Flächen */
    --paper:#f7f9fc;        /* Kühles Papierweiß */
    --grid:#dbe4f0;         /* Millimeterpapier-Linien */
    --grid-strong:#c3d1e4;
    --plato:#0e9594;        /* Petrol – Lernende (Bestand aus PLATO) */
    --aristo:#4f5dd3;       /* Indigo – Oberstufe & Hochschule */
    --solon:#b4690e;        /* Bernstein – Steuerungsebene */
    --muted:#5a6a85;
    --line:#e3e9f2;
    --radius:16px;
    --maxw:1120px;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  @media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto}
    *,*::before,*::after{animation-duration:.001s!important;transition-duration:.001s!important}
  }
  body{
    font-family:'IBM Plex Sans',system-ui,sans-serif;
    background:var(--paper);
    color:var(--ink);
    line-height:1.65;
    font-size:16.5px;
  }
  ::selection{background:var(--ink);color:#fff}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 1.4rem}
  h1,h2,h3{font-family:'Space Grotesk',sans-serif;line-height:1.15;letter-spacing:-.01em}
  .mono{font-family:'IBM Plex Mono',monospace}
  .eyebrow{
    font-family:'IBM Plex Mono',monospace;
    font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;
    color:var(--muted);display:block;margin-bottom:.9rem;
  }
  a{color:inherit}
  :focus-visible{outline:2.5px solid var(--aristo);outline-offset:3px;border-radius:4px}

  /* ---------- Millimeterpapier-Hintergrund ---------- */
  .gridbg{
    background-image:
      linear-gradient(var(--grid-strong) 1px, transparent 1px),
      linear-gradient(90deg, var(--grid-strong) 1px, transparent 1px),
      linear-gradient(var(--grid) 1px, transparent 1px),
      linear-gradient(90deg, var(--grid) 1px, transparent 1px);
    background-size:120px 120px,120px 120px,24px 24px,24px 24px;
  }

  /* ---------- Header ---------- */
  header{
    position:sticky;top:0;z-index:50;
    background:rgba(247,249,252,.88);backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  .nav{display:flex;align-items:center;justify-content:space-between;height:64px}
  .brand{display:flex;align-items:center;gap:.65rem;text-decoration:none;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:1.25rem;letter-spacing:-.02em}
  .brand svg{display:block}
  .nav-links{display:flex;gap:1.6rem;list-style:none;align-items:center}
  .nav-links a{text-decoration:none;font-size:.92rem;font-weight:500;color:var(--muted);transition:color .15s}
  .nav-links a:hover{color:var(--ink)}
  .nav-cta{
    background:var(--ink);color:#fff!important;padding:.52rem 1.1rem;border-radius:999px;
    font-weight:600;transition:transform .15s, box-shadow .15s;
  }
  .nav-cta:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(17,26,46,.22)}
  .menu-btn{display:none;background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--ink)}
  @media(max-width:780px){
    .nav-links{
      display:none;position:absolute;top:64px;left:0;right:0;
      background:var(--paper);border-bottom:1px solid var(--line);
      flex-direction:column;padding:1.2rem;gap:1rem;
    }
    .nav-links.open{display:flex}
    .menu-btn{display:block}
  }

  /* ---------- Hero ---------- */
  .hero{position:relative;overflow:hidden;padding:5.5rem 0 4.5rem}
  .hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:3rem;align-items:center}
  .hero h1{font-size:clamp(2.1rem,4.6vw,3.4rem);font-weight:700;margin-bottom:1.1rem}
  .hero h1 .en{display:block}
  .hero h1 .accentline{
    background:linear-gradient(90deg,var(--plato),var(--aristo) 55%,var(--solon));
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .hero p.lead{font-size:1.13rem;color:#37455f;max-width:34rem;margin-bottom:1.8rem}
  .btnrow{display:flex;gap:.8rem;flex-wrap:wrap}
  .btn{
    display:inline-block;text-decoration:none;font-weight:600;font-size:.97rem;
    padding:.78rem 1.5rem;border-radius:999px;transition:transform .15s, box-shadow .15s;
  }
  .btn.primary{background:var(--ink);color:#fff}
  .btn.primary:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(17,26,46,.25)}
  .btn.ghost{border:1.5px solid var(--ink);color:var(--ink)}
  .btn.ghost:hover{background:var(--ink);color:#fff}
  .hero-viz{position:relative}
  .hero-viz svg{width:100%;height:auto;display:block}
  .viz-caption{
    font-family:'IBM Plex Mono',monospace;font-size:.72rem;color:var(--muted);
    margin-top:.6rem;text-align:right;
  }
  @keyframes drawline{to{stroke-dashoffset:0}}
  .curve{stroke-dasharray:1400;stroke-dashoffset:1400;animation:drawline 2.6s cubic-bezier(.4,0,.2,1) .3s forwards}
  .band{opacity:0;animation:fadein 1.2s ease 1.6s forwards}
  .dot{opacity:0;animation:fadein .5s ease forwards}
  @keyframes fadein{to{opacity:1}}
  @media(max-width:880px){
    .hero .wrap{grid-template-columns:1fr}
    .hero{padding:3.5rem 0 3rem}
  }

  /* ---------- Sektionen allgemein ---------- */
  section{padding:4.5rem 0}
  section h2{font-size:clamp(1.6rem,3vw,2.2rem);margin-bottom:.9rem}
  .section-intro{max-width:44rem;color:#37455f;margin-bottom:2.4rem}

  /* ---------- Produkte ---------- */
  .products{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
  .prod{
    position:relative;border:1px solid var(--line);border-radius:var(--radius);
    padding:1.7rem 1.5rem 1.5rem;background:var(--paper);
    display:flex;flex-direction:column;gap:.85rem;
    transition:transform .18s, box-shadow .18s;
  }
  .prod:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(17,26,46,.1)}
  .prod::before{
    content:"";position:absolute;inset:0 auto 0 0;width:5px;
    border-radius:var(--radius) 0 0 var(--radius);background:var(--pc,var(--ink));
  }
  .prod .tag{
    align-self:flex-start;font-family:'IBM Plex Mono',monospace;font-size:.68rem;
    letter-spacing:.12em;text-transform:uppercase;color:var(--pc);
    border:1px solid currentColor;border-radius:999px;padding:.18rem .65rem;
  }
  .prod h3{font-size:1.45rem;letter-spacing:.01em}
  .prod .who{font-weight:600;font-size:.95rem;color:var(--ink)}
  .prod p{font-size:.94rem;color:#3d4a63}
  .prod ul{list-style:none;display:flex;flex-direction:column;gap:.45rem;margin-top:.2rem}
  .prod li{font-size:.9rem;color:#3d4a63;padding-left:1.25rem;position:relative}
  .prod li::before{content:"→";position:absolute;left:0;color:var(--pc);font-weight:600}
  .prod.plato{--pc:var(--plato)}
  .prod.aristo{--pc:var(--aristo)}
  .prod.solon{--pc:var(--solon)}
  .flowline{
    margin:2.6rem auto 0;max-width:760px;text-align:center;
    font-family:'IBM Plex Mono',monospace;font-size:.8rem;color:var(--muted);
    border:1px dashed var(--grid-strong);border-radius:999px;padding:.7rem 1.4rem;
  }
  @media(max-width:880px){.prod-grid{grid-template-columns:1fr}}

  /* ---------- Diskurs / SWK ---------- */
  .diskurs{background:var(--ink);color:#e8edf6}
  .diskurs .eyebrow{color:#9fb0cd}
  .diskurs h2{color:#fff}
  .diskurs .section-intro{color:#c3cee2}
  .quotecard{
    background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
    border-radius:var(--radius);padding:1.8rem 2rem;max-width:52rem;
  }
  .quotecard p{font-size:1.05rem;font-style:italic;color:#dfe6f2;margin-bottom:1rem}
  .quotecard .src{font-family:'IBM Plex Mono',monospace;font-size:.78rem;color:#9fb0cd;font-style:normal}
  .diskurs-points{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem;margin-top:2rem}
  .dp{border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:1.2rem 1.3rem}
  .dp h3{font-size:1rem;color:#fff;margin-bottom:.4rem}
  .dp p{font-size:.88rem;color:#c3cee2}
  @media(max-width:880px){.diskurs-points{grid-template-columns:1fr}}

  /* ---------- Technologie / Prinzipien ---------- */
  .tech-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.2rem}
  .tcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem 1.6rem}
  .tcard .tnum{
    font-family:'IBM Plex Mono',monospace;font-size:.72rem;color:var(--muted);
    display:block;margin-bottom:.6rem;letter-spacing:.1em;
  }
  .tcard h3{font-size:1.12rem;margin-bottom:.45rem}
  .tcard p{font-size:.93rem;color:#3d4a63}
  @media(max-width:720px){.tech-grid{grid-template-columns:1fr}}

  /* ---------- Team ---------- */
  .team{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .team-grid{display:grid;grid-template-columns:repeat(2,minmax(0,420px));gap:1.4rem}
  .person{
    border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;
    display:flex;gap:1.2rem;align-items:flex-start;background:var(--paper);
  }
  .avatar{
    flex:0 0 64px;height:64px;border-radius:50%;
    display:grid;place-items:center;color:#fff;font-family:'Space Grotesk',sans-serif;
    font-weight:700;font-size:1.2rem;
  }
  .person h3{font-size:1.1rem}
  .person .role{font-family:'IBM Plex Mono',monospace;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:.15rem 0 .5rem}
  .person p{font-size:.9rem;color:#3d4a63}
  @media(max-width:720px){.team-grid{grid-template-columns:1fr}}

  /* ---------- Kontakt ---------- */
  .kontakt .card{
    background:linear-gradient(135deg,#12203c,#111a2e);color:#e8edf6;
    border-radius:20px;padding:2.6rem 2.4rem;display:grid;grid-template-columns:1.2fr .8fr;gap:2rem;align-items:center;
  }
  .kontakt h2{color:#fff}
  .kontakt p{color:#c3cee2;font-size:1rem}
  .kontakt .btn.light{background:#fff;color:var(--ink)}
  .kontakt .mono-info{font-family:'IBM Plex Mono',monospace;font-size:.85rem;color:#9fb0cd;display:flex;flex-direction:column;gap:.5rem}
  @media(max-width:780px){.kontakt .card{grid-template-columns:1fr}}

  /* ---------- Datenschutz ---------- */
  .legal{font-size:.92rem;color:#3d4a63}
  .legal h2{font-size:1.7rem}
  .legal h3{font-size:1.05rem;margin:1.8rem 0 .5rem;color:var(--ink)}
  .legal p{margin-bottom:.7rem;max-width:52rem}
  .legal ul{margin:.4rem 0 .8rem 1.3rem}
  .legal li{margin-bottom:.3rem}
  .placeholder{background:#fff3d6;border-radius:4px;padding:0 .3rem;font-family:'IBM Plex Mono',monospace;font-size:.85em}
  .legal-note{
    border:1px dashed var(--solon);border-radius:var(--radius);
    padding:1rem 1.2rem;background:#fdf6ec;margin-bottom:1.6rem;font-size:.88rem;
  }

  /* ---------- Footer ---------- */
  footer{border-top:1px solid var(--line);padding:2.2rem 0 2.8rem;color:var(--muted);font-size:.86rem}
  footer .wrap{display:flex;justify-content:space-between;gap:1.5rem;flex-wrap:wrap;align-items:center}
  footer nav{display:flex;gap:1.4rem}
  footer a{text-decoration:none;color:var(--muted)}
  footer a:hover{color:var(--ink)}

/* ---------- Unterseiten (Produkte & Datenschutz) ---------- */
.page-hero{position:relative;overflow:hidden;color:#fff;padding:4.2rem 0 3.4rem;background:linear-gradient(150deg,var(--ph1,#12203c),var(--ph2,#111a2e))}
.page-hero .eyebrow{color:rgba(255,255,255,.75)}
.page-hero h1{font-size:clamp(2rem,4vw,3rem);margin:.2rem 0 .9rem}
.page-hero p.lead{font-size:1.1rem;max-width:38rem;color:rgba(255,255,255,.92);margin-bottom:1.6rem}
.page-hero .tagpill{display:inline-block;font-family:'IBM Plex Mono',monospace;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;border:1px solid rgba(255,255,255,.55);border-radius:999px;padding:.25rem .8rem;margin-bottom:1rem}
.breadcrumb{font-family:'IBM Plex Mono',monospace;font-size:.76rem;color:var(--muted);padding:1rem 0 0}
.breadcrumb a{color:var(--muted);text-decoration:none}
.breadcrumb a:hover{color:var(--ink)}
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.1rem}
.fcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.35rem 1.4rem}
.fcard h3{font-size:1.05rem;margin-bottom:.4rem}
.fcard p{font-size:.92rem;color:#3d4a63}
@media(max-width:720px){.feature-grid{grid-template-columns:1fr}}
.demo-box{border:2px solid var(--pc,var(--ink));border-radius:20px;background:#fff;padding:2.2rem 2rem;text-align:center;max-width:760px;margin:0 auto}
.demo-box h2{margin-bottom:.5rem}
.demo-box p{color:#3d4a63;max-width:34rem;margin:0 auto 1.4rem;font-size:.97rem}
.demo-box .btn.primary{background:var(--pc,var(--ink))}
.demo-hint{font-family:'IBM Plex Mono',monospace;font-size:.72rem;color:var(--muted);margin-top:.9rem}
.prod .morelink{margin-top:auto;padding-top:.6rem;font-weight:600;font-size:.92rem;color:var(--pc);text-decoration:none}
.prod .morelink:hover{text-decoration:underline}
.audience-row{display:flex;gap:.6rem;flex-wrap:wrap;margin-bottom:1.6rem}
.audience-row span{font-family:'IBM Plex Mono',monospace;font-size:.72rem;border:1px solid var(--line);background:#fff;border-radius:999px;padding:.28rem .8rem;color:#3d4a63}