:root{
    color-scheme: light;
    --paper:#EEEEE9;
    --sheet:#F7F7F4;
    --ink:#121A22;
    --navy:#16283A;
    --muted:#5A6673;
    --line:#D6D6CE;
    --hair:#E4E4DC;
    --brass:#7A5F12;            /* Gold als Schriftfarbe auf hell – 5,1:1 */
    --signal:#F0B800;           /* Markierung und Fläche – nie Schrift auf hell */
    --gold-dunkel:#E9C25E;      /* Gold als Schriftfarbe auf dunklem Grund */
    --brass-soft:rgba(240,184,0,.16);
    --oncover:#EDEDE6;
    --oncover-dim:rgba(237,237,230,.62);
    --display:'Archivo',Helvetica,Arial,sans-serif;
    --body:'IBM Plex Sans',Helvetica,Arial,sans-serif;
    --mono:'IBM Plex Mono',ui-monospace,'SFMono-Regular',monospace;
    --gutter:clamp(18px,4vw,40px);
    --wrap:1160px;
  }
  @media (prefers-color-scheme: dark){
    :root:not([data-theme="light"]){
      color-scheme: dark;
      --paper:#10161D; --sheet:#151D26; --ink:#E9E9E2; --navy:#0C131A; --muted:#97A1AC;
      --line:#26313D; --hair:#1D2731; --brass:#E9C25E; --signal:#F0B800; --gold-dunkel:#E9C25E;
      --brass-soft:rgba(240,184,0,.13);
      --oncover:#EDEDE6; --oncover-dim:rgba(237,237,230,.6);
    }
  }
  :root[data-theme="dark"]{
    color-scheme: dark;
    --paper:#10161D; --sheet:#151D26; --ink:#E9E9E2; --navy:#0C131A; --muted:#97A1AC;
    --line:#26313D; --hair:#1D2731; --brass:#E9C25E; --signal:#F0B800; --gold-dunkel:#E9C25E;
      --brass-soft:rgba(240,184,0,.13);
    --oncover:#EDEDE6; --oncover-dim:rgba(237,237,230,.6);
  }

  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{margin:0;background:var(--paper);color:var(--ink);
    font-family:var(--body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
  @media (prefers-reduced-motion:reduce){ html{scroll-behavior:auto} *{animation:none!important;transition:none!important} }
  h1,h2,h3{font-family:var(--display);font-weight:800;line-height:1.03;letter-spacing:-.022em;margin:0;text-wrap:balance}
  p{margin:0 0 13px;max-width:66ch}
  a{color:inherit}
  hr{border:0;border-top:1px solid var(--line);margin:0}

  .wrap{max-width:var(--wrap);margin:0 auto;padding-inline:var(--gutter)}
  .mono{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase}
  .muted{color:var(--muted)}

  /* ---------- Titelblatt ---------- */
  .cover{background:var(--navy);color:var(--oncover);padding-block:clamp(26px,4vw,40px) clamp(40px,6vw,74px);
    border-bottom:1px solid rgba(237,237,230,.14)}
  .coverbar{display:flex;flex-wrap:wrap;gap:10px 22px;align-items:baseline;
    padding-bottom:clamp(30px,5vw,60px);color:var(--oncover-dim)}
  .coverbar .logo{font-family:var(--display);font-weight:800;font-size:17px;letter-spacing:-.01em;
    color:var(--oncover);text-decoration:none}
  .coverbar .logo b{color:var(--gold-dunkel);font-weight:800}
  .coverbar nav{margin-left:auto;display:flex;gap:18px;flex-wrap:wrap}
  .coverbar nav a{text-decoration:none;color:var(--oncover-dim)}
  .coverbar nav a:hover{color:var(--gold-dunkel)}
  .cover h1{font-size:clamp(38px,7.4vw,86px);max-width:15ch;animation:auf .7s ease both}
  .cover h1 em{font-style:normal;color:var(--gold-dunkel)}
  @keyframes auf{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
  .cover .these{margin-top:26px;font-size:clamp(17px,1.6vw,20px);color:var(--oncover-dim);max-width:56ch}
  .aktionen{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
  .btn{display:inline-block;text-decoration:none;font-family:var(--mono);font-size:11.5px;letter-spacing:.13em;
    text-transform:uppercase;padding:14px 22px;background:var(--signal);color:#111A24;border:1px solid var(--signal)}
  .btn:hover{background:transparent;color:var(--signal)}
  .btn.linie{background:transparent;color:var(--oncover);border-color:rgba(237,237,230,.3)}
  .btn.linie:hover{border-color:var(--signal);color:var(--signal)}

  /* Kopfzeile des Dossiers */
  .stempel{margin-top:clamp(36px,5vw,60px);border-top:1px solid rgba(237,237,230,.16);
    display:grid;grid-template-columns:repeat(4,1fr)}
  .stempel div{padding:18px 16px 0 0;border-right:1px solid rgba(237,237,230,.1)}
  .stempel div:last-child{border-right:0}
  .stempel dt{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;
    color:var(--oncover-dim);margin-bottom:7px}
  .stempel dd{margin:0;font-family:var(--display);font-weight:600;font-size:clamp(15px,1.7vw,21px);letter-spacing:-.01em}
  @media (max-width:720px){ .stempel{grid-template-columns:1fr 1fr;gap:0}
    .stempel div:nth-child(2n){border-right:0} }

  /* ---------- Abschnitte im Bogen-Raster ---------- */
  .bogen{border-bottom:1px solid var(--line)}
  .bogen > .wrap{display:grid;grid-template-columns:132px 1fr;gap:clamp(16px,3vw,44px);
    padding-block:clamp(44px,6vw,86px)}
  .bogen .marke{position:sticky;top:calc(env(safe-area-inset-top, 0px) + 18px);align-self:start;
    font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
  .bogen .marke b{display:block;width:fit-content;background:var(--signal);color:#111A24;font-weight:500;
    padding:2px 7px;margin-bottom:9px}
  .bogen > .wrap > div{min-width:0}
  @media (max-width:820px){
    .bogen > .wrap{grid-template-columns:1fr;gap:14px}
    .bogen .marke{position:static}
  }
  h2{font-size:clamp(26px,3.6vw,44px)}
  .lede{font-size:clamp(16.5px,1.4vw,19px);color:var(--muted);max-width:60ch;margin-top:16px}

  /* Säulen als Einträge, keine Kacheln */
  .eintraege{margin-top:clamp(24px,3vw,40px);border-top:1px solid var(--line)}
  .eintrag{display:grid;grid-template-columns:minmax(0,7.5rem) 1fr;gap:clamp(12px,2.5vw,36px);
    padding-block:24px;border-bottom:1px solid var(--hair)}
  .eintrag .kopf{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--brass);padding-top:6px}
  .eintrag h3{font-size:clamp(20px,2.2vw,27px);margin-bottom:9px}
  .eintrag p{color:var(--muted);margin:0}
  @media (max-width:560px){ .eintrag{grid-template-columns:1fr;gap:6px} .eintrag .kopf{padding-top:0} }

  /* Leistungsspalten */
  .phasen{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2.4vw,34px);margin-top:clamp(24px,3vw,38px)}
  @media (max-width:820px){ .phasen{grid-template-columns:1fr} }
  .phase h3{font-size:16px;font-weight:600;font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;
    color:var(--brass);padding-bottom:10px;border-bottom:1px solid var(--line)}
  .phase ul{list-style:none;margin:0;padding:0}
  .phase li{padding:12px 0;border-bottom:1px solid var(--hair)}
  .phase b{display:block;font-weight:600}
  .phase span{color:var(--muted);font-size:15.5px}

  /* Regieplan */
  .plan{margin-top:clamp(24px,3vw,38px);border-top:1px solid var(--line)}
  .zeile{display:grid;grid-template-columns:minmax(0,9rem) 1fr;gap:clamp(12px,2.5vw,34px);
    padding-block:17px;border-bottom:1px solid var(--hair);position:relative}
  .zeile:hover{background:var(--brass-soft)}
  .zeile .t{font-family:var(--mono);font-size:12.5px;color:var(--brass);letter-spacing:.06em;padding-top:3px;
    font-variant-numeric:tabular-nums}
  .zeile b{font-weight:600;display:block;margin-bottom:3px}
  .zeile span{color:var(--muted);font-size:15.5px}
  .zeile.tag0{background:var(--sheet);box-shadow:inset 3px 0 0 var(--signal);padding-left:14px}
  .zeile.tag0 .t{color:var(--ink);font-weight:500}
  @media (max-width:560px){ .zeile{grid-template-columns:1fr;gap:4px} .zeile .t{padding-top:0} }

  /* Hausmesse-Vergleich */
  .vergleich{display:grid;grid-template-columns:1fr 1fr;margin-top:clamp(24px,3vw,38px);
    border:1px solid var(--line);background:var(--sheet)}
  @media (max-width:640px){ .vergleich{grid-template-columns:1fr} }
  .vergleich > div{padding:clamp(20px,2.6vw,30px)}
  .vergleich > div:first-child{border-right:1px solid var(--line)}
  @media (max-width:640px){ .vergleich > div:first-child{border-right:0;border-bottom:1px solid var(--line)} }
  .vergleich h3{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;
    font-weight:500;color:var(--muted);margin-bottom:14px}
  .vergleich .betont h3{color:var(--brass)}
  .vergleich ul{list-style:none;margin:0;padding:0;font-size:15.5px}
  .vergleich li{padding:9px 0;border-bottom:1px solid var(--hair);color:var(--muted)}
  .vergleich li:last-child{border-bottom:0}
  .vergleich .betont li{color:var(--ink)}
  .grosszahl{display:inline-block;background:var(--navy);color:var(--signal);
    font-family:var(--display);font-weight:800;font-size:clamp(58px,10vw,124px);line-height:.9;
    letter-spacing:-.04em;padding:14px 26px 20px;}
  .grosszahl + p{margin-top:14px}

  /* Randnotiz / offene Punkte */
  .notiz{border-left:3px solid var(--signal);padding:4px 0 4px 18px;margin-top:22px}
  .notiz .kopf{display:inline-block;font-family:var(--mono);font-size:10px;letter-spacing:.14em;
    text-transform:uppercase;background:var(--brass-soft);color:var(--brass);padding:2px 7px;margin-bottom:8px}
  .notiz p{margin:0 0 6px;font-size:15.5px;color:var(--muted)}
  .notiz strong{color:var(--ink);font-weight:600}

  /* Fragen */
  details{border-bottom:1px solid var(--hair)}
  summary{cursor:pointer;list-style:none;padding:16px 0;font-weight:600;display:flex;gap:16px;justify-content:space-between}
  summary::-webkit-details-marker{display:none}
  summary::after{content:'+';font-family:var(--mono);color:var(--brass)}
  details[open] summary::after{content:'–'}
  details p{color:var(--muted);font-size:15.5px;padding-bottom:16px;margin:0}
  a:focus-visible, summary:focus-visible, .btn:focus-visible{outline:2px solid var(--brass);outline-offset:3px}

  /* Abschluss */
  .schluss{background:var(--navy);color:var(--oncover)}
  .schluss .wrap{padding-block:clamp(44px,6vw,80px)}
  .schluss h2{color:var(--oncover);max-width:16ch}
  .schluss .notiz{border-color:var(--signal)}
  .schluss .notiz .kopf{background:var(--signal);color:#111A24}
  .schluss .lede{color:var(--oncover-dim)}
  .kontaktzeile{display:flex;flex-wrap:wrap;gap:8px 30px;margin-top:28px;font-family:var(--mono);font-size:13px;
    letter-spacing:.04em}
  .kontaktzeile span{color:var(--oncover-dim)}
  footer{background:var(--navy);color:var(--oncover-dim);padding-bottom:clamp(30px,4vw,48px);font-size:14.5px}
  footer .wrap{border-top:1px solid rgba(237,237,230,.14);padding-top:26px;
    display:flex;flex-wrap:wrap;gap:14px 40px;align-items:baseline}
  footer a{color:var(--oncover-dim)}
  footer a:hover{color:var(--gold-dunkel)}
  footer .rechts{margin-left:auto;font-family:var(--mono);font-size:10.5px;letter-spacing:.13em;text-transform:uppercase}

  /* ---------- Anfrageformular ---------- */
  .formular{margin-top:30px;max-width:820px}
  .falle{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
  .felder{display:grid;grid-template-columns:1fr 1fr;gap:14px}
  @media (max-width:640px){ .felder{grid-template-columns:1fr} }
  .feld.breit{grid-column:1 / -1}
  .feld label{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;
    color:var(--oncover-dim);margin-bottom:6px}
  .feld input, .feld select, .feld textarea{width:100%;background:rgba(237,237,230,.06);color:var(--oncover);
    border:1px solid rgba(237,237,230,.22);border-radius:0;padding:12px 13px;font:inherit;font-size:16px}
  .feld input::placeholder, .feld textarea::placeholder{color:rgba(237,237,230,.38)}
  .feld input:focus, .feld select:focus, .feld textarea:focus{outline:2px solid var(--signal);outline-offset:1px;
    border-color:var(--signal)}
  .feld select option{color:#111A24}
  .zustimmung{display:flex;gap:11px;align-items:flex-start;margin-top:18px;font-size:14.5px;color:var(--oncover-dim);
    max-width:70ch}
  .zustimmung input{margin-top:4px;accent-color:var(--signal);width:17px;height:17px;flex:none}
  .zustimmung a{color:var(--gold-dunkel)}
  .schluss .btn{cursor:pointer;font-family:var(--mono)}
  .schluss .btn[disabled]{opacity:.55;cursor:default}

/* ---------- Eigene Zeichnungen ---------- */
figure.zeichnung{margin:clamp(24px,3vw,38px) 0 0;padding:0}
figure.zeichnung svg{width:100%;max-width:100%;height:auto;display:block;color:var(--ink)}
figure.zeichnung figcaption{margin-top:12px;font-size:14.5px;color:var(--muted);max-width:66ch}
.zflaeche{fill:var(--sheet);stroke:currentColor;stroke-width:1.2}
.zrahmen{fill:none;stroke:currentColor;stroke-width:1.6}
.zbeschriftung{font-family:var(--body);font-size:13px;fill:currentColor}
.zklein{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;fill:var(--muted)}
.zsignal{stroke:var(--signal);stroke-width:2.4;fill:none}
.zsignalflaeche{fill:var(--signal)}
.zpfeil{stroke:currentColor;stroke-width:1.6;fill:none}

/* Hinweiszeile unter einer Eintragsliste */
.hinweis{margin-top:clamp(10px,1.4vw,18px);color:var(--muted);font-size:15px;line-height:1.6;max-width:62ch}
.hinweis a{color:var(--brass);text-decoration:underline;text-underline-offset:2px}
.hinweis a:hover{color:var(--ink)}