/* =====================================================================
   KZ-SITE · Designsystem „Strangschema“ (Okt. 2026)
   Ein Plan-Blatt-System: Navy-Tusche, Leitungsblau, Rotstift für
   „hier handeln“. Aktiv nur innerhalb des Wrappers mit der Klasse kz-site.
   Geladen auf allen Ratgeber-Artikeln (Beiträge), siehe functions.php.
   Bausteine, die nur ein Artikel nutzt, liegen in css/seiten/<artikel>.css.
   ===================================================================== */

/* ---------- Schrift (selbst gehostet) ----------
   Datei liegt im Child-Theme unter fonts/ (identisch mit der Google-Datei).
   Fehlt sie, greift die zweite Quelle (Google) als Ersatz. */
@font-face{
  font-family:"KZ Archivo";font-style:normal;font-weight:100 900;font-stretch:62% 125%;font-display:swap;
  src:url("../fonts/archivo-variable-latin.woff2") format("woff2"),
      url("https://fonts.gstatic.com/s/archivo/v25/k3kQo8UDI-1M0wlSfdnoLmvDIaI.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}

/* ---------- Seitenrahmen von Twenty Twenty-Four neutralisieren ---------- */
.wp-block-post-content:has(> .kz-site){max-width:none!important;padding:0!important;margin:0!important}
main:has(.kz-site){margin-block-start:0!important;padding-block:0!important}
.wp-site-blocks:has(.kz-site){padding-top:0!important}
body:has(.kz-site) header.wp-block-template-part{margin-block-end:0!important}
body:has(.kz-site){overflow-x:clip}

/* ---------- Tokens ---------- */
.kz-site{
  --kz-ink:#10263f;
  --kz-graphite:#3f5062;
  --kz-muted:#4a5a68;
  --kz-pipe:#1b6fb3;
  --kz-flow:#5fb8e8;
  --kz-red:#cf3a24;
  --kz-red-dark:#a92c1a;
  --kz-sheet:#f2f4f3;
  --kz-paper:#ffffff;
  --kz-rule:#d3dbe0;
  --kz-rule-strong:#9fb0bd;
  --kz-grid:rgba(16,38,63,.055);
  --kz-grid-strong:rgba(16,38,63,.10);
  --kz-on-ink:#c9d6e2;
  --kz-font:"KZ Archivo","Helvetica Neue",Arial,sans-serif;
  --kz-ease:cubic-bezier(.16,1,.3,1);
  --kz-gutter:clamp(16px,4vw,40px);

  width:100vw;max-width:none!important;
  margin:0 0 0 calc(50% - 50vw)!important;padding:0!important;
  overflow:clip;box-sizing:border-box;
  background:var(--kz-paper);color:var(--kz-ink);
  font-family:var(--kz-font);font-size:1.0625rem;line-height:1.62;font-weight:400;font-stretch:100%;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  font-kerning:normal;caret-color:var(--kz-red);interpolate-size:allow-keywords;
}
.kz-site *,.kz-site *::before,.kz-site *::after{box-sizing:border-box}
.kz-site ::selection{background:rgba(95,184,232,.35);color:var(--kz-ink)}
.kz-site .kz-sprite{position:absolute;width:0;height:0;overflow:hidden}

/* ---------- Grund-Typografie (Reset gegen Theme-Vorgaben) ---------- */
.kz-site h1,.kz-site h2,.kz-site h3,.kz-site h4,.kz-site p,.kz-site ul,.kz-site ol,.kz-site li,.kz-site figure,.kz-site dl,.kz-site dt,.kz-site dd,.kz-site fieldset,.kz-site legend{
  margin:0;padding:0;border:0;background:none;border-radius:0;max-width:none;
}
.kz-site h1,.kz-site h2,.kz-site h3,.kz-site h4{
  font-family:var(--kz-font);color:var(--kz-ink);text-wrap:balance;font-style:normal;
}
.kz-site h1{
  font-size:clamp(2.4rem,1.45rem + 3.3vw,4.15rem);line-height:.98;font-weight:820;font-stretch:84%;
  letter-spacing:-.028em;
}
.kz-site h1 span{
  display:block;margin-top:.42em;font-size:.48em;line-height:1.18;font-weight:500;font-stretch:100%;
  letter-spacing:-.012em;color:var(--kz-graphite);
}
.kz-site h2{
  font-size:clamp(1.85rem,1.3rem + 1.9vw,2.85rem);line-height:1.04;font-weight:780;font-stretch:86%;
  letter-spacing:-.022em;
}
.kz-site h3{font-size:1.22rem;line-height:1.25;font-weight:700;font-stretch:94%;letter-spacing:-.01em}
.kz-site .kz-head h2,.kz-site .kz-split h2,.kz-site .kz-contact h2,.kz-site .kz-faq h2{margin-bottom:22px}
.kz-site p{font-size:1.0625rem;line-height:1.62;color:var(--kz-muted);max-width:66ch}
.kz-site p + p{margin-top:1em}
.kz-site a{color:inherit;text-decoration:none}
.kz-site p a,.kz-site .kz-fine a{
  color:var(--kz-pipe);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.22em;
  transition:color .2s,text-decoration-thickness .2s;
}
.kz-site p a:hover,.kz-site .kz-fine a:hover{color:var(--kz-ink);text-decoration-thickness:2px}
.kz-site :is(a,summary,button):focus-visible{outline:3px solid var(--kz-pipe);outline-offset:3px;border-radius:1px}
.kz-site .kz-i{width:1.15em;height:1.15em;flex:none;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

.kz-site .kz-fine{font-size:.88rem;line-height:1.55;color:var(--kz-muted)}

/* ---------- Layout ---------- */
.kz-site .kz-wrap{width:min(1240px,100% - 2*var(--kz-gutter));margin-inline:auto}
.kz-site section{padding:clamp(64px,8vw,112px) 0;position:relative}
.kz-site .kz-tint{background:var(--kz-sheet)}
.kz-site .kz-head{max-width:46rem;margin-bottom:clamp(36px,4vw,56px)}
.kz-site .kz-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.86fr);gap:clamp(40px,7vw,104px);align-items:start}

/* ---------- Buttons ---------- */
.kz-site .kz-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:56px;padding:0 24px;
  border-radius:2px;border:2px solid transparent;
  font-family:var(--kz-font);font-size:1.02rem;line-height:1.1;font-weight:700;font-stretch:96%;letter-spacing:.005em;
  font-variant-numeric:tabular-nums;white-space:nowrap;cursor:pointer;
  transition:background-color .2s,color .2s,border-color .2s;
}
.kz-site .kz-btn .kz-i{transition:transform .35s var(--kz-ease)}
.kz-site .kz-btn-primary{background:var(--kz-red);color:#fff}
.kz-site .kz-btn-primary:hover{background:var(--kz-red-dark)}
.kz-site .kz-btn-primary:hover .kz-i{transform:translateX(4px)}
.kz-site .kz-btn-phone{background:transparent;color:var(--kz-ink);border-color:var(--kz-ink)}
.kz-site .kz-btn-phone:hover{background:var(--kz-ink);color:#fff}
.kz-site .kz-btn:active{transform:translateY(1px)}

/* ---------- Hero: Planblatt ---------- */
.kz-site .kz-hero{padding:clamp(40px,5vw,72px) 0 clamp(56px,6vw,88px);border-bottom:1px solid var(--kz-rule)}
.kz-site .kz-hero-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(32px,4.5vw,72px);align-items:center}
.kz-site .kz-lead{margin-top:28px;font-size:clamp(1.1rem,1rem + .35vw,1.25rem);line-height:1.55;color:var(--kz-graphite);max-width:34rem}
.kz-site .kz-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.kz-site .kz-lead strong{font-weight:700;color:var(--kz-ink)}

.kz-site .kz-sheet{
  position:relative;margin:0;border:1px solid var(--kz-ink);
  background-color:var(--kz-sheet);
  background-image:
    linear-gradient(var(--kz-grid-strong) 1px,transparent 1px),
    linear-gradient(90deg,var(--kz-grid-strong) 1px,transparent 1px),
    linear-gradient(var(--kz-grid) 1px,transparent 1px),
    linear-gradient(90deg,var(--kz-grid) 1px,transparent 1px);
  background-size:40px 40px,40px 40px,8px 8px,8px 8px;
  background-position:-1px -1px;
  outline:1px solid var(--kz-rule-strong);outline-offset:-9px;
}
.kz-site .kz-plan{display:block;width:100%;height:auto;padding:14px 14px 0;overflow:visible}

/* Zeichnung */
.kz-site .kz-d-solid{fill:var(--kz-ink)}
.kz-site .kz-d-void{fill:var(--kz-sheet)}
.kz-site .kz-d-earth{fill:url(#kz-earth)}
.kz-site .kz-d-hatch{stroke:var(--kz-graphite);stroke-width:.9;opacity:.42}
.kz-site .kz-d-ground{fill:none;stroke:var(--kz-ink);stroke-width:2.5}
.kz-site .kz-d-thin{fill:none;stroke:var(--kz-ink);stroke-width:1}
.kz-site .kz-d-line{fill:none;stroke:var(--kz-graphite);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.kz-site .kz-d-fix{fill:var(--kz-paper);stroke:var(--kz-graphite);stroke-width:1.5;stroke-linejoin:round}
.kz-site .kz-d-pipe{fill:none;stroke:var(--kz-pipe);stroke-width:6;stroke-linejoin:round}
.kz-site .kz-d-branch{fill:none;stroke:var(--kz-pipe);stroke-width:4;stroke-linejoin:round;stroke-linecap:round}
.kz-site .kz-d-cap{fill:none;stroke:var(--kz-ink);stroke-width:3}
.kz-site .kz-d-kanal{fill:none;stroke:var(--kz-ink);stroke-width:5}
.kz-site .kz-d-sewage{fill:var(--kz-pipe);opacity:.28}
.kz-site .kz-d-label text{font-family:var(--kz-font);font-size:11px;font-weight:650;font-stretch:78%;letter-spacing:.1em;fill:var(--kz-graphite)}

/* Rufnummern 01–04 mit Wasserlauf */
.kz-site .kz-pl{cursor:pointer}
.kz-site .kz-pl:focus{outline:none}
.kz-site .kz-hit{fill:transparent}
.kz-site .kz-leader{fill:none;stroke:var(--kz-ink);stroke-width:1;stroke-dasharray:3 3}
.kz-site .kz-tag{transform-box:fill-box;transform-origin:center}
.kz-site .kz-tag circle{fill:var(--kz-paper);stroke:var(--kz-ink);stroke-width:1.5}
.kz-site .kz-tag text{font-family:var(--kz-font);font-size:13px;font-weight:760;font-stretch:90%;text-anchor:middle;fill:var(--kz-ink);font-variant-numeric:tabular-nums}
.kz-site .kz-tag-on circle{fill:var(--kz-red);stroke:var(--kz-red)}
.kz-site .kz-tag-on text{fill:#fff}
.kz-site .kz-plan-label{
  font-family:var(--kz-font);font-size:14px;font-weight:680;font-stretch:84%;letter-spacing:.01em;fill:var(--kz-ink);
  paint-order:stroke;stroke:var(--kz-sheet);stroke-width:5px;stroke-linejoin:round;transition:fill .2s;
}
.kz-site .kz-route{fill:none;stroke:var(--kz-flow);stroke-width:3;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:2 10;animation:kz-flow 1s linear infinite}
.kz-site .kz-mark{fill:rgba(207,58,36,.1);stroke:var(--kz-red);stroke-width:2.5}
.kz-site .kz-backflow{fill:var(--kz-flow);fill-opacity:.45;stroke:var(--kz-pipe);stroke-width:1}
.kz-site .kz-on{opacity:0;animation:kz-cycle 16s infinite}
.kz-site .kz-pl-2 .kz-on{animation-delay:4s}
.kz-site .kz-pl-3 .kz-on{animation-delay:8s}
.kz-site .kz-pl-4 .kz-on{animation-delay:12s}
.kz-site .kz-plan:is(:hover,:focus-within) .kz-on{animation:none;opacity:0;transition:opacity .25s}
.kz-site .kz-plan .kz-pl:is(:hover,:focus-visible) .kz-on{opacity:1}
.kz-site .kz-plan .kz-pl:is(:hover,:focus-visible) .kz-plan-label{fill:var(--kz-red)}
.kz-site .kz-plan .kz-pl:focus-visible .kz-tag circle{stroke:var(--kz-pipe);stroke-width:3}
@keyframes kz-flow{to{stroke-dashoffset:-24}}
@keyframes kz-cycle{0%{opacity:0}2.5%{opacity:1}22.5%{opacity:1}25%{opacity:0}100%{opacity:0}}

/* Schriftfeld */
.kz-site .kz-titleblock{margin:0 9px 9px;border-top:1px solid var(--kz-ink);background:var(--kz-paper)}
.kz-site .kz-titleblock ul{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));list-style:none;margin:0;padding:0}
.kz-site .kz-titleblock li{
  margin:0;padding:12px 14px;border-left:1px solid var(--kz-rule-strong);
  font-size:.74rem;line-height:1.3;font-weight:640;font-stretch:80%;letter-spacing:.08em;text-transform:uppercase;color:var(--kz-ink);
}
.kz-site .kz-titleblock li:first-child{border-left:0}

/* ---------- Leistungen als Plan-Legende ---------- */
.kz-site .kz-legend{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:2px solid var(--kz-ink);border-bottom:1px solid var(--kz-rule)}
.kz-site .kz-legend-item{
  display:flex;flex-direction:column;align-items:flex-start;padding:26px 26px 22px;border-left:1px solid var(--kz-rule);
  transition:background-color .25s;
}
.kz-site .kz-legend-item:first-child{border-left:0;padding-left:0}
.kz-site .kz-legend-item:hover{background:var(--kz-sheet)}
.kz-site .kz-legend-item:first-child:hover{background:none}
.kz-site .kz-number{
  display:inline-flex;align-items:center;gap:10px;margin-bottom:28px;
  font-size:.74rem;font-weight:650;font-stretch:80%;letter-spacing:.11em;color:var(--kz-graphite);
}
.kz-site .kz-number b{
  display:inline-grid;place-items:center;width:34px;height:34px;border:1.5px solid var(--kz-ink);border-radius:50%;
  font-size:.8rem;font-weight:780;font-stretch:90%;letter-spacing:0;color:var(--kz-ink);background:var(--kz-paper);
  font-variant-numeric:tabular-nums;transition:background-color .25s,border-color .25s,color .25s;
}
.kz-site .kz-legend-item:hover .kz-number b{background:var(--kz-red);border-color:var(--kz-red);color:#fff}
.kz-site .kz-legend-item h3{margin-bottom:10px}
.kz-site .kz-legend-item p{font-size:.97rem;line-height:1.58;margin-bottom:18px}
.kz-site .kz-legend-item > a{
  display:inline-flex;align-items:center;gap:8px;min-height:44px;margin-top:auto;
  font-weight:700;font-stretch:94%;color:var(--kz-pipe);
  text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.28em;
}
.kz-site .kz-legend-item > a:hover{color:var(--kz-ink)}
.kz-site .kz-legend-item > a:hover .kz-i{transform:translateX(3px)}
.kz-site .kz-legend-item > a .kz-i{transition:transform .35s var(--kz-ease)}

/* ---------- Orientierung + Warnhinweis ---------- */
.kz-site .kz-checklist{list-style:none;margin:30px 0 0;padding:0;border-top:1px solid var(--kz-rule-strong)}
.kz-site .kz-checklist li{
  position:relative;margin:0;padding:18px 0 18px 46px;border-bottom:1px solid var(--kz-rule-strong);
  font-size:1.05rem;line-height:1.5;color:var(--kz-ink);
}
.kz-site .kz-checklist li::before{
  content:"";position:absolute;left:0;top:17px;width:24px;height:24px;border:1.5px solid var(--kz-ink);background:var(--kz-paper);
}
.kz-site .kz-checklist li::after{
  content:"";position:absolute;left:7px;top:22px;width:10px;height:6px;border-left:2px solid var(--kz-pipe);border-bottom:2px solid var(--kz-pipe);transform:rotate(-45deg);
}
.kz-site .kz-alert{position:relative;background:var(--kz-paper);border:2px solid var(--kz-red);padding:30px 32px 32px}
.kz-site .kz-alert-icon{width:40px;height:40px;fill:none;stroke:var(--kz-red);stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;margin-bottom:16px;display:block}
.kz-site .kz-alert h3{font-size:clamp(1.5rem,1.2rem + 1vw,1.95rem);line-height:1.08;font-weight:800;font-stretch:86%;letter-spacing:-.018em;margin-bottom:16px}
.kz-site .kz-alert p{color:var(--kz-ink)}
.kz-site .kz-alert .kz-alert-phone{color:var(--kz-red);font-weight:750;white-space:nowrap;font-variant-numeric:tabular-nums}

/* ---------- Ablauf als Leitung mit Stationen ---------- */
.kz-site .kz-flow{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(24px,4vw,56px);position:relative}
.kz-site .kz-flow::before{content:"";position:absolute;left:0;right:0;top:17px;height:6px;background:var(--kz-pipe)}
.kz-site .kz-step{position:relative;margin:0}
.kz-site .kz-step-no{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 16px;margin-bottom:28px;
  background:var(--kz-paper);border:2px solid var(--kz-ink);border-radius:0;
  font-size:.78rem;font-weight:720;font-stretch:80%;letter-spacing:.12em;color:var(--kz-ink);font-variant-numeric:tabular-nums;
}
.kz-site .kz-step h3{margin-bottom:10px}
.kz-site .kz-step p{font-size:.99rem}

/* ---------- Kosten: Planvermerk ---------- */
.kz-site .kz-stamp{background:var(--kz-paper);border:1px solid var(--kz-ink);outline:1px solid var(--kz-ink);outline-offset:-7px;padding:34px 34px 36px}
.kz-site .kz-stamp h3{font-size:1.35rem;margin-bottom:12px}
.kz-site .kz-stamp .kz-btn{margin-top:26px}

/* ---------- Anfrage: Tusche-Feld ---------- */
.kz-site .kz-contact{background:var(--kz-ink);color:#fff}
.kz-site .kz-contact h2{color:#fff}
.kz-site .kz-contact p{color:var(--kz-on-ink)}
.kz-site .kz-contact :is(a,summary):focus-visible{outline-color:var(--kz-flow)}
.kz-site .kz-contact-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(40px,7vw,104px);align-items:start}
.kz-site .kz-phone-xl{
  display:inline-flex;align-items:center;gap:14px;margin:34px 0 26px;
  font-size:clamp(1.75rem,1.2rem + 1.9vw,2.6rem);line-height:1;font-weight:800;font-stretch:88%;letter-spacing:-.01em;
  color:#fff;font-variant-numeric:tabular-nums;white-space:nowrap;
  text-decoration:underline;text-decoration-color:rgba(255,255,255,.28);text-decoration-thickness:2px;text-underline-offset:.2em;
  transition:text-decoration-color .2s;
}
.kz-site .kz-phone-xl .kz-i{width:.9em;height:.9em;stroke-width:1.8;color:var(--kz-flow)}
.kz-site .kz-phone-xl:hover{text-decoration-color:var(--kz-red)}
.kz-site .kz-contact .kz-fine{color:#a9bccd;max-width:34rem}
.kz-site .kz-form{background:var(--kz-paper);color:var(--kz-ink);padding:clamp(22px,3vw,36px);border-top:6px solid var(--kz-red);min-height:180px}
.kz-site .kz-form-live{display:none}
.wp-block-post-content .kz-site .kz-form-live{display:block}
.kz-site .kz-form-preview{padding:24px;border:1px dashed var(--kz-rule-strong);background:var(--kz-sheet);color:var(--kz-muted);line-height:1.6}
.wp-block-post-content .kz-site .kz-form-preview{display:none}
/* WPForms im Plan-Stil */
.kz-site .kz-form .wpforms-container{margin:0!important}
.kz-site .kz-form .wpforms-field{padding:0 0 18px!important}
.kz-site .kz-form :is(.wpforms-field-row,.wpforms-field-medium,.wpforms-field-large){max-width:100%!important}
.kz-site .kz-form .wpforms-field-sublabel{font-size:.82rem!important;color:var(--kz-muted)!important;margin-top:6px!important}
.kz-site .kz-form .wpforms-field-label{font-family:var(--kz-font)!important;font-size:.82rem!important;font-weight:680!important;font-stretch:84%;letter-spacing:.06em;text-transform:uppercase;color:var(--kz-ink)!important;margin-bottom:8px!important}
.kz-site .kz-form .wpforms-required-label{color:var(--kz-red)!important}
.kz-site .kz-form :is(input[type=text],input[type=email],input[type=tel],input[type=number],select,textarea){
  width:100%;max-width:100%!important;min-height:50px;padding:12px 14px!important;
  font-family:var(--kz-font)!important;font-size:1rem!important;color:var(--kz-ink)!important;
  background:var(--kz-paper)!important;border:1.5px solid #6b7a87!important;border-radius:2px!important;box-shadow:none!important;
  transition:border-color .2s,box-shadow .2s;
}
.kz-site .kz-form textarea{min-height:130px;resize:vertical}
.kz-site .kz-form :is(input,select,textarea):focus{border-color:var(--kz-pipe)!important;box-shadow:0 0 0 3px rgba(27,111,179,.18)!important;outline:none}
.kz-site .kz-form ::placeholder{color:#5f6e7b;opacity:1}
.kz-site .kz-form .wpforms-error,.kz-site .kz-form label.wpforms-error{color:var(--kz-red-dark)!important;font-size:.88rem!important}
.kz-site .kz-form :is(input,select,textarea).wpforms-error{border-color:var(--kz-red)!important}
.kz-site .kz-form button[type=submit]{
  display:inline-flex!important;align-items:center;justify-content:center;width:100%;min-height:56px!important;padding:0 24px!important;
  background:var(--kz-red)!important;color:#fff!important;border:0!important;border-radius:2px!important;
  font-family:var(--kz-font)!important;font-size:1.05rem!important;font-weight:720!important;cursor:pointer;transition:background-color .2s;
}
.kz-site .kz-form button[type=submit]:hover{background:var(--kz-red-dark)!important}
.kz-site .kz-form button[type=submit]:disabled{opacity:.6;cursor:progress}

/* ---------- FAQ ---------- */
.kz-site .kz-faq-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:clamp(32px,6vw,96px);align-items:start}
.kz-site .kz-faq-head{position:sticky;top:32px}
.kz-site .kz-faq-list{border-top:2px solid var(--kz-ink)}
.kz-site .kz-faq details{border-bottom:1px solid var(--kz-rule)}
.kz-site .kz-faq summary{
  position:relative;display:block;list-style:none;cursor:pointer;padding:22px 56px 22px 0;
  font-size:1.12rem;line-height:1.4;font-weight:660;font-stretch:96%;color:var(--kz-ink);transition:color .2s;
}
.kz-site .kz-faq summary::-webkit-details-marker{display:none}
.kz-site .kz-faq summary::after{
  content:"";position:absolute;right:0;top:50%;width:32px;height:32px;margin-top:-16px;border:1.5px solid var(--kz-ink);border-radius:50%;
  background:
    linear-gradient(var(--kz-ink),var(--kz-ink)) center/12px 2px no-repeat,
    linear-gradient(var(--kz-ink),var(--kz-ink)) center/2px 12px no-repeat;
  transition:transform .35s var(--kz-ease),background-color .2s;
}
.kz-site .kz-faq summary:hover{color:var(--kz-pipe)}
.kz-site .kz-faq details[open] summary::after{
  transform:rotate(180deg);
  background:linear-gradient(var(--kz-ink),var(--kz-ink)) center/12px 2px no-repeat;
}
.kz-site .kz-faq details p{padding:0 56px 24px 0}
.kz-site .kz-faq details::details-content{block-size:0;overflow:clip;transition:block-size .4s var(--kz-ease),content-visibility .4s allow-discrete}
.kz-site .kz-faq details[open]::details-content{block-size:auto}
.kz-site .kz-scale-title{margin:0 0 6px;font-size:.78rem;line-height:1.2;font-weight:680;font-stretch:78%;letter-spacing:.11em;text-transform:uppercase;color:var(--kz-ink)}
.kz-site .kz-scale-axis,.kz-site .kz-scale-rows li{display:grid;grid-template-columns:minmax(0,12.5rem) minmax(0,1fr) 4.5rem;gap:0 16px;align-items:end}
.kz-site .kz-scale-ticks{position:relative;height:22px}
.kz-site .kz-scale-ticks i{position:absolute;bottom:2px;font-style:normal;font-size:.72rem;font-weight:650;font-stretch:80%;letter-spacing:.04em;color:var(--kz-graphite);font-variant-numeric:tabular-nums;transform:translateX(-50%)}
.kz-site .kz-scale-ticks i:nth-child(1){left:0;transform:none}
.kz-site .kz-scale-ticks i:nth-child(2){left:25%}
.kz-site .kz-scale-ticks i:nth-child(3){left:50%}
.kz-site .kz-scale-ticks i:nth-child(4){left:75%}
.kz-site .kz-scale-ticks i:nth-child(5){left:100%;transform:translateX(-100%)}
.kz-site .kz-scale-rows{list-style:none;margin:0;padding:0}
.kz-site .kz-scale-rows li{margin:0;padding:0;border-top:1px solid var(--kz-rule)}
.kz-site .kz-scale-label{padding:0 0 9px;font-size:.95rem;line-height:1.3;font-weight:620;font-stretch:94%;color:var(--kz-ink)}
.kz-site .kz-scale-src{padding:0 0 9px;font-size:.8rem;line-height:1.3;color:var(--kz-muted)}
.kz-site .kz-scale-track{
  position:relative;display:block;height:48px;
  background-image:linear-gradient(90deg,var(--kz-rule) 1px,transparent 1px);background-size:25% 100%;
}
.kz-site .kz-scale-bar{position:absolute;left:var(--a);width:calc(var(--b) - var(--a));bottom:9px;height:12px;border-inline:2px solid var(--kz-pipe)}
.kz-site .kz-scale-bar::after{content:"";position:absolute;left:0;right:0;top:5px;border-top:2px solid var(--kz-pipe)}
.kz-site .kz-scale-bar span{position:absolute;left:50%;bottom:15px;transform:translateX(-50%);white-space:nowrap;font-size:.86rem;font-weight:720;font-stretch:90%;color:var(--kz-ink);font-variant-numeric:tabular-nums}
.kz-site .kz-scale-r1{--a:25%;--b:40%}
.kz-site .kz-scale-r2{--a:35%;--b:80%}
.kz-site .kz-scale-r3{--a:5%;--b:15%}
.kz-site .kz-scale-note{margin:12px 0 0;font-size:.84rem;line-height:1.5;color:var(--kz-muted);max-width:none}

/* ---------- Zuständigkeit nach Kanalisationsverordnung ---------- */
.kz-site .kz-duty-map{margin:0 0 clamp(40px,5vw,64px)}
.kz-site .kz-duty-span{display:grid;grid-template-columns:3fr 1fr;gap:0 20px;margin-bottom:6px}
.kz-site .kz-duty-span span{
  position:relative;padding-top:16px;text-align:center;
  font-size:.78rem;line-height:1.2;font-weight:700;font-stretch:80%;letter-spacing:.11em;text-transform:uppercase;color:var(--kz-ink);
}
.kz-site .kz-duty-span span::before{content:"";position:absolute;left:0;right:0;top:0;height:9px;border:1.5px solid currentColor;border-bottom:0}
.kz-site .kz-duty-span .kz-duty-pub{color:var(--kz-pipe)}
.kz-site .kz-duty-line{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0 20px}
.kz-site .kz-duty-line li{position:relative;margin:0;padding-top:46px}
.kz-site .kz-duty-line li::before{content:"";position:absolute;left:0;right:-20px;top:14px;height:6px;background:var(--kz-pipe)}
.kz-site .kz-duty-line li:last-child::before{right:0;top:11px;height:12px;background:var(--kz-ink)}
.kz-site .kz-duty-line li::after{content:"";position:absolute;left:0;top:6px;width:2px;height:22px;background:var(--kz-ink)}
.kz-site .kz-duty-line .kz-duty-public::after{left:-11px;top:-44px;height:74px;width:0;border-left:1.5px dashed var(--kz-ink);background:none}
.kz-site .kz-duty-line em{display:none}
.kz-site .kz-duty-line b{display:block;margin-bottom:6px;font-size:1.06rem;line-height:1.3;font-weight:720;font-stretch:94%;color:var(--kz-ink)}
.kz-site .kz-duty-line span{display:block;font-size:.95rem;line-height:1.5;color:var(--kz-muted)}
.kz-site .kz-duty-map figcaption{margin-top:16px;font-size:.84rem;color:var(--kz-muted)}

/* Legende in der Zeichnung (nur Mobile) */
.kz-site .kz-key{display:none}

/* ---------- Mobile Anruf-Leiste ---------- */
.kz-site .kz-dock{display:none}
@media (max-width:1100px){
  .kz-site .kz-hero-grid{grid-template-columns:minmax(0,1fr)}
  .kz-site .kz-hero-copy{max-width:44rem}
  .kz-site .kz-sheet{max-width:760px}
  .kz-site .kz-legend{grid-template-columns:repeat(2,minmax(0,1fr))}
  .kz-site .kz-legend-item:nth-child(odd){border-left:0;padding-left:0}
  .kz-site .kz-legend-item:nth-child(n+3){border-top:1px solid var(--kz-rule)}
  .kz-site .kz-legend-item:nth-child(odd):hover{background:none}
}
@media (max-width:860px){
  .kz-site .kz-split,.kz-site .kz-contact-grid,.kz-site .kz-faq-grid{grid-template-columns:minmax(0,1fr)}
  .kz-site .kz-duty-span{display:none}
  .kz-site .kz-duty-line{grid-template-columns:minmax(0,1fr);gap:0}
  .kz-site .kz-duty-line li{padding:0 0 22px 44px}
  .kz-site .kz-duty-line li::before{left:13px;right:auto;top:0;bottom:0;width:6px;height:auto}
  .kz-site .kz-duty-line li:last-child::before{left:10px;width:12px;height:auto;top:0;bottom:0}
  .kz-site .kz-duty-line li::after{left:5px;top:0;width:22px;height:2px}
  .kz-site .kz-duty-line .kz-duty-public::after{left:-4px;top:-11px;width:calc(100% + 4px);height:0;border-left:0;border-top:1.5px dashed var(--kz-ink)}
  .kz-site .kz-duty-line em{
    display:inline-block;margin:0 0 6px;padding:3px 7px;border:1.5px solid var(--kz-ink);
    font-style:normal;font-size:.7rem;line-height:1.2;font-weight:700;font-stretch:80%;letter-spacing:.11em;text-transform:uppercase;color:var(--kz-ink);
  }
  .kz-site .kz-duty-public em{border-color:var(--kz-pipe);color:var(--kz-pipe)}
  .kz-site .kz-faq-head{position:static}
}
@media (max-width:680px){
  .kz-site{font-size:1rem}
  .kz-site p{font-size:1rem}
  .kz-site .kz-actions{flex-direction:column}
  .kz-site .kz-actions .kz-btn{width:100%}
  .kz-site .kz-sheet{margin-inline:calc(-1*var(--kz-gutter) + 6px);outline-offset:-6px}
  .kz-site .kz-plan{padding:8px 4px 0}
  .kz-site .kz-plan-label{display:none}
  .kz-site .kz-tag{transform:scale(1.6)}
  .kz-site .kz-d-label text{font-size:19px}
  .kz-site .kz-key{
    display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);list-style:none;
    margin:8px 6px 0;padding:0;border-top:1px solid var(--kz-ink);background:var(--kz-paper);
  }
  .kz-site .kz-key li{margin:0;border-bottom:1px solid var(--kz-rule-strong)}
  .kz-site .kz-key li:nth-child(odd){border-right:1px solid var(--kz-rule-strong)}
  .kz-site .kz-key a{
    display:flex;align-items:center;gap:10px;min-height:52px;padding:8px 10px;
    font-size:.95rem;line-height:1.2;font-weight:680;font-stretch:88%;color:var(--kz-ink);
  }
  .kz-site .kz-key b{
    display:inline-grid;place-items:center;flex:none;width:30px;height:30px;border:1.5px solid var(--kz-ink);border-radius:50%;
    font-size:.78rem;font-weight:780;font-variant-numeric:tabular-nums;
  }
  .kz-site .kz-key a:active b{background:var(--kz-red);border-color:var(--kz-red);color:#fff}
  .kz-site .kz-key + .kz-titleblock{border-top:0}
  .kz-site .kz-titleblock{margin:0 6px 6px}
  .kz-site .kz-titleblock ul{grid-template-columns:minmax(0,1fr)}
  .kz-site .kz-titleblock li{border-left:0;border-top:1px solid var(--kz-rule-strong);padding:10px 12px}
  .kz-site .kz-titleblock li:first-child{border-top:0}
  .kz-site .kz-legend{grid-template-columns:minmax(0,1fr)}
  .kz-site .kz-scale-axis,.kz-site .kz-scale-rows li{grid-template-columns:minmax(0,1fr) auto;gap:0 12px}
  .kz-site .kz-scale-axis > span:first-child,.kz-site .kz-scale-axis > span:last-child{display:none}
  .kz-site .kz-scale-ticks{grid-column:1 / -1}
  .kz-site .kz-scale-label{grid-column:1;padding:10px 0 0}
  .kz-site .kz-scale-src{grid-column:2;padding:10px 0 0;text-align:right}
  .kz-site .kz-scale-track{grid-column:1 / -1;grid-row:2}
  .kz-site .kz-legend-item{border-left:0!important;padding:24px 0!important;border-top:1px solid var(--kz-rule)}
  .kz-site .kz-legend-item:first-child{border-top:0}
  .kz-site .kz-legend-item:hover{background:none}
  .kz-site .kz-number{margin-bottom:18px}
  .kz-site .kz-alert{padding:24px 22px 26px}
  .kz-site .kz-flow{grid-template-columns:minmax(0,1fr);gap:36px;padding-left:0}
  .kz-site .kz-flow::before{left:17px;right:auto;top:0;bottom:0;width:6px;height:auto}
  .kz-site .kz-step{padding-left:0}
  .kz-site .kz-step-no{margin-bottom:16px}
  .kz-site .kz-step h3,.kz-site .kz-step p{padding-left:52px}
  .kz-site .kz-stamp{padding:28px 24px 30px}
  .kz-site .kz-stamp .kz-btn{width:100%}
  .kz-site .kz-phone-xl{font-size:1.75rem}
  .kz-site .kz-faq summary{font-size:1.04rem;padding-right:48px}
  .kz-site .kz-faq details p{padding-right:0}
  .kz-site .kz-dock{
    position:sticky;bottom:0;z-index:20;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px;
    padding:10px 12px calc(10px + env(safe-area-inset-bottom));
    background:var(--kz-paper);border-top:1px solid var(--kz-ink);box-shadow:0 -8px 24px rgba(16,38,63,.10);
  }
  .kz-site .kz-dock .kz-btn{min-height:50px;padding:0 10px;font-size:.95rem;gap:8px}
  .kz-site .kz-dock{transition:transform .4s var(--kz-ease),visibility 0s}
  .kz-site.kz-dock-off .kz-dock{transform:translateY(110%);visibility:hidden;box-shadow:none;transition:transform .3s ease-in,visibility 0s .3s}
}
@media (max-width:380px){
  .kz-site .kz-dock .kz-btn-phone .kz-i{display:none}
  .kz-site .kz-dock .kz-btn{font-size:.9rem}
}
/* ---------- Fallstrang am Seitenrand (nur breite Bildschirme) ----------
   Läuft links neben dem Satzspiegel durch alle Abschnitte mit .kz-railed und mündet ins Anfrage-Feld.
   Das Wasser füllt sich beim Scrollen (scroll-driven animation); ohne Unterstützung steht es voll. */
@media (min-width:1420px){
  .kz-site .kz-railed::before,.kz-site .kz-railed::after{content:"";position:absolute;top:0;bottom:0;pointer-events:none}
  .kz-site .kz-railed::before{left:calc(50% - 679px);width:14px;border-inline:1.5px solid var(--kz-ink);background:var(--kz-paper)}
  .kz-site .kz-railed::after{left:calc(50% - 675.5px);width:7px;background:var(--kz-pipe);transform-origin:50% 0}
  .kz-site .kz-railed > .kz-wrap{position:relative}
  /* Muffe auf Höhe der Überschrift … */
  .kz-site .kz-railed > .kz-wrap::before{
    content:"";position:absolute;left:-63px;top:14px;width:22px;height:16px;pointer-events:none;z-index:1;
    border:2px solid var(--kz-ink);background:rgba(255,255,255,0);
  }
  /* … und eine gestrichelte Hinweislinie zur Überschrift, wie bei den Rufnummern im Hero */
  .kz-site .kz-railed > .kz-wrap::after{
    content:"";position:absolute;left:-39px;top:21px;width:27px;height:0;pointer-events:none;
    border-top:1px dashed var(--kz-ink);
  }
  .kz-site .kz-contact::before{
    content:"";position:absolute;top:0;left:calc(50% - 675.5px);width:7px;height:72px;pointer-events:none;
    background:linear-gradient(var(--kz-flow),rgba(95,184,232,0));
  }
  @supports (animation-timeline: view()){
    .kz-site .kz-railed{view-timeline-name:--kz-rail;view-timeline-axis:block}
    .kz-site .kz-railed::after{
      transform:scaleY(0);
      animation:kz-fill linear both;animation-timeline:--kz-rail;
      animation-range:cover 50vh cover calc(100% - 50vh);
    }
  
}
}
@keyframes kz-fill{from{transform:scaleY(0)}to{transform:scaleY(1)}}

@media (prefers-reduced-motion:reduce){
  .kz-site .kz-railed::after{animation:none!important;transform:none!important}
  .kz-site *{transition:none!important}
  .kz-site .kz-on{animation:none;opacity:0}
  .kz-site .kz-route{animation:none}
  .kz-site .kz-pl-1 .kz-on{opacity:1}
  .kz-site .kz-plan:is(:hover,:focus-within) .kz-pl-1:not(:hover,:focus-visible) .kz-on{opacity:0}
}

/* =====================================================================
   KZ-SITE · Ratgeber-Artikel (Okt. 2026)
   Bausteine für Ratgeberseiten wie /abfluss-stinkt/: Brotkrumen, Sofort-Check,
   Siphon-Schnitt im Planblatt, Masswerte aus Studien, Tabellen und Quellen.
   Gilt nur innerhalb von .kz-site; Farben und Schrift nur aus den Tokens.
   ===================================================================== */

/* ---------- Kopf: Brotkrumen, Normschrift-Label, Metazeile ---------- */
.kz-site .kz-crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:4px 10px;margin:0 0 26px;font-size:.88rem;line-height:1.4;color:var(--kz-muted)}
.kz-site .kz-crumbs a{color:var(--kz-pipe);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.22em}
.kz-site .kz-crumbs a:hover{color:var(--kz-ink)}
.kz-site .kz-crumbs [aria-hidden]{color:var(--kz-rule-strong)}
.kz-site .kz-label{
  display:block;margin:34px 0 0;font-size:.8rem;line-height:1.2;font-weight:680;font-stretch:78%;letter-spacing:.11em;text-transform:uppercase;color:var(--kz-ink);
}
.kz-site .kz-meta{display:flex;flex-wrap:wrap;list-style:none;margin:28px 0 0;padding:0;border-top:1px solid var(--kz-rule)}
.kz-site .kz-meta li{
  margin:0;padding:12px 14px 0;border-left:1px solid var(--kz-rule);
  font-size:.74rem;line-height:1.3;font-weight:640;font-stretch:80%;letter-spacing:.08em;text-transform:uppercase;color:var(--kz-graphite);
}
.kz-site .kz-meta li:first-child{padding-left:0;border-left:0}
.kz-site .kz-hero .kz-fine{margin-top:18px;max-width:34rem}


/* ---------- Nummerierte Liste (Sofort-Check, Anleitung) ---------- */
.kz-site .kz-numlist{list-style:none;margin:14px 0 0;padding:0;counter-reset:kz-n;border-top:1px solid var(--kz-rule-strong)}
.kz-site .kz-numlist > li{
  position:relative;margin:0;padding:16px 0 16px 48px;border-bottom:1px solid var(--kz-rule-strong);counter-increment:kz-n;
  font-size:1.02rem;line-height:1.55;color:var(--kz-ink);
}
.kz-site .kz-numlist > li::before{
  content:counter(kz-n,decimal-leading-zero);position:absolute;left:0;top:13px;display:grid;place-items:center;width:30px;height:30px;
  border:1.5px solid var(--kz-ink);border-radius:50%;background:var(--kz-paper);
  font-size:.74rem;font-weight:780;font-stretch:90%;font-variant-numeric:tabular-nums;color:var(--kz-ink);
}
.kz-site .kz-numlist strong{font-weight:720;font-stretch:96%}
.kz-site .kz-numlist span{display:block;margin-top:4px;color:var(--kz-muted);font-size:.97rem}
.kz-site .kz-numlist a{color:var(--kz-pipe);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.22em}
.kz-site .kz-numlist a:hover{color:var(--kz-ink);text-decoration-thickness:2px}

/* Legende im Artikel: zwei kurze Absätze je Spalte */
.kz-site .kz-legend-item p strong{color:var(--kz-ink);font-weight:700}
.kz-site .kz-legend-item p + p{margin-top:-10px}
.kz-site .kz-legend-item{scroll-margin-top:24px}

/* ---------- Vier Wege, wie ein Siphon seine Sperre verliert ---------- */
.kz-site .kz-traps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(20px,2.4vw,32px)}

/* ---------- Masswerte aus Studien ---------- */
.kz-site .kz-findings{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:2px solid var(--kz-ink)}
.kz-site .kz-finding{display:flex;flex-direction:column;margin:0;padding:26px 28px 28px;border-left:1px solid var(--kz-rule);border-bottom:1px solid var(--kz-rule)}
.kz-site .kz-finding:nth-child(3n+1){border-left:0;padding-left:0}
.kz-site .kz-finding-value{
  display:block;margin-bottom:14px;font-size:clamp(2.2rem,1.7rem + 1.6vw,3.1rem);line-height:1;font-weight:800;font-stretch:84%;
  letter-spacing:-.02em;color:var(--kz-ink);font-variant-numeric:tabular-nums;white-space:nowrap;
}
.kz-site .kz-finding-value small{margin-left:.18em;font-size:.42em;font-weight:680;font-stretch:90%;letter-spacing:0;color:var(--kz-graphite)}
.kz-site .kz-finding h3{margin-bottom:10px;font-size:1.12rem}
.kz-site .kz-finding p{font-size:.97rem;line-height:1.58}
.kz-site .kz-finding .kz-fine{margin-top:auto;padding-top:16px}

/* ---------- Tabellen im Planstil ---------- */
.kz-site .kz-table-wrap{margin:0;max-width:100%}
.kz-site .kz-table{width:100%;margin:0;border-collapse:collapse;border:0;border-top:2px solid var(--kz-ink);font-family:var(--kz-font);background:none}
.kz-site .kz-table caption{caption-side:top;margin:0 0 14px;padding:0;text-align:left;font-size:.8rem;line-height:1.2;font-weight:680;font-stretch:78%;letter-spacing:.11em;text-transform:uppercase;color:var(--kz-ink)}
.kz-site .kz-table th,.kz-site .kz-table td{border:0;border-bottom:1px solid var(--kz-rule);background:none;text-align:left;vertical-align:top}
.kz-site .kz-table thead th{
  padding:12px 20px 12px 0;font-size:.74rem;line-height:1.3;font-weight:650;font-stretch:80%;letter-spacing:.11em;text-transform:uppercase;color:var(--kz-graphite);
  border-bottom:1px solid var(--kz-rule-strong);
}
.kz-site .kz-table td,.kz-site .kz-table tbody th{padding:16px 20px 16px 0;font-size:.98rem;line-height:1.55;color:var(--kz-muted)}
.kz-site .kz-table tbody th{width:22%;font-size:1.02rem;font-weight:700;font-stretch:94%;color:var(--kz-ink)}
.kz-site .kz-table td a{color:var(--kz-pipe);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.22em}
.kz-site .kz-table td a:hover{color:var(--kz-ink)}
.kz-site .kz-table td:last-child,.kz-site .kz-table thead th:last-child{padding-right:0}
.kz-site .kz-table-after{margin-top:18px}

/* ---------- Kleinere Bausteine ---------- */
.kz-site .kz-subhead{margin:clamp(48px,6vw,72px) 0 10px;font-size:clamp(1.4rem,1.15rem + .8vw,1.8rem);line-height:1.12;font-weight:760;font-stretch:88%;letter-spacing:-.016em}
.kz-site .kz-subhead + p{margin-bottom:24px}
.kz-site .kz-stamp .kz-checklist{margin-top:18px}
.kz-site .kz-stamp .kz-checklist li{padding:13px 0 13px 40px;font-size:.98rem}
.kz-site .kz-stamp .kz-checklist li::before{top:12px;width:22px;height:22px}
.kz-site .kz-stamp .kz-checklist li::after{left:6px;top:17px}
.kz-site .kz-stamp p + .kz-fine{margin-top:16px}
.kz-site .kz-ref{
  margin-left:2px;font-size:.74em;line-height:0;vertical-align:super;font-weight:700;font-variant-numeric:tabular-nums;
  color:var(--kz-pipe)!important;text-decoration:none!important;
}
.kz-site .kz-ref:hover{color:var(--kz-ink)!important}
.kz-site .kz-split-wide{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr)}

/* ---------- Quellen ---------- */
.kz-site .kz-sources{padding-top:clamp(48px,6vw,72px)}
.kz-site .kz-sources ol{margin:0;padding:0 0 0 1.9em;list-style:decimal;border-top:2px solid var(--kz-ink);max-width:60rem}
.kz-site .kz-sources li{
  margin:0;padding:12px 0 12px 6px;border-bottom:1px solid var(--kz-rule);
  font-size:.92rem;line-height:1.55;color:var(--kz-muted);font-variant-numeric:tabular-nums;scroll-margin-top:24px;
}
.kz-site .kz-sources li::marker{font-weight:700;color:var(--kz-ink)}
.kz-site .kz-sources li:target{background:var(--kz-sheet)}
.kz-site .kz-sources a{color:var(--kz-pipe);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.22em;overflow-wrap:anywhere}
.kz-site .kz-sources a:hover{color:var(--kz-ink)}
.kz-site .kz-sources .kz-fine{margin-top:22px}

/* ---------- Responsive (Artikel) ---------- */
@media (max-width:1100px){
  .kz-site .kz-traps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .kz-site .kz-findings{grid-template-columns:repeat(2,minmax(0,1fr))}
  .kz-site .kz-finding:nth-child(n){border-left:1px solid var(--kz-rule);padding-left:28px}
  .kz-site .kz-finding:nth-child(2n+1){border-left:0;padding-left:0}
}
@media (max-width:860px){
  .kz-site .kz-split-wide{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:760px){
  .kz-site .kz-table,.kz-site .kz-table tbody,.kz-site .kz-table tr,.kz-site .kz-table th,.kz-site .kz-table td{display:block;width:auto}
  .kz-site .kz-table thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
  .kz-site .kz-table tr{padding:16px 0;border-bottom:1px solid var(--kz-rule)}
  .kz-site .kz-table th,.kz-site .kz-table td{padding:0;border:0}
  .kz-site .kz-table tbody th{width:auto;margin-bottom:8px;font-size:1.06rem}
  .kz-site .kz-table td{padding-top:8px}
  .kz-site .kz-table td::before{
    content:attr(data-label);display:block;margin-bottom:2px;
    font-size:.72rem;line-height:1.3;font-weight:650;font-stretch:80%;letter-spacing:.11em;text-transform:uppercase;color:var(--kz-graphite);
  }
}
@media (max-width:680px){
  .kz-site .kz-traps,.kz-site .kz-findings{grid-template-columns:minmax(0,1fr)}
  .kz-site .kz-finding:nth-child(n){border-left:0;padding:22px 0 24px}
  .kz-site .kz-meta li{padding:10px 10px 0}
  .kz-site .kz-sources ol{padding-left:1.6em}
}

/* =====================================================================
   KZ-SITE · Siphon-Anatomie (Abb. 1, helle Fassung)
   Isometrischer Siphon-Schnitt aus siphon-anatomy/, eingesetzt per wp-export.py.
   Zeichnungsfarben auf die Planpalette gelegt: Wasser = Leitungsblau,
   Kanalgas = Graphit, Ablagerungen = Braun (nur in dieser Abbildung).
   ===================================================================== */
.kz-site .kz-anat{
  --anatomy-paper:#ffffff;--anatomy-face:#ffffff;--anatomy-top:#ffffff;--anatomy-lit-top:#ffffff;--anatomy-lit-shade:#eef2f4;
  --anatomy-shade-0:#d8dfe3;--anatomy-shade-1:#e2e8eb;--anatomy-shade-2:#eaeff1;--anatomy-shade-3:#f3f6f7;
  --anatomy-hi:var(--kz-ink);--anatomy-mid:#8796a3;--anatomy-lo:#b3bfc8;--anatomy-faint:#d3dbe0;--anatomy-lit:#000000;
  --anatomy-dot:var(--kz-graphite);--anatomy-weight:.6px;
  --sp-water:var(--kz-pipe);--sp-water-top:#8ec7ec;--sp-accent:var(--kz-pipe);
  --sp-gas:var(--kz-graphite);--sp-dirt:#76502f;--sp-film:#9b6d43;
  --sp-in:#e6ecef;--sp-out:#d0d9df;--sp-cut:#b6c1c9;
  margin:0;
}
/* Rahmen wie das Planblatt: 1px Tusche aussen, Haarlinie innen */
.kz-site .kz-anat-plate{
  position:relative;padding:52px 22px 26px;background:var(--kz-paper);
  border:1px solid var(--kz-ink);outline:1px solid var(--kz-rule-strong);outline-offset:-9px;
}
.kz-site .kz-anat-corners span{
  position:absolute;line-height:1;white-space:nowrap;
  font-size:.72rem;font-weight:650;font-stretch:80%;letter-spacing:.1em;text-transform:uppercase;color:var(--kz-graphite);
}
.kz-site .kz-anat-corners [data-corner="fig"]{top:24px;left:24px;color:var(--kz-ink)}
.kz-site .kz-anat-corners [data-corner="title"]{top:24px;right:24px}
.kz-site .kz-anat-corners [data-corner="hint"]{display:none}
.kz-site .kz-anat-corners [data-corner="readout"]{top:42px;right:24px;color:var(--kz-ink);font-variant-numeric:tabular-nums;letter-spacing:.06em}
.kz-site .kz-anat-stage svg{display:block;width:100%;max-width:640px;height:auto;margin:0 auto;overflow:visible}

/* Zeichnung (aus dem Anatomy-Kit, nur benötigte Regeln) */
.kz-site .kz-anat .iso-svg path,.kz-site .kz-anat .iso-svg circle{vector-effect:non-scaling-stroke}
.kz-site .kz-anat .iso-fill{fill:var(--anatomy-paper);stroke:none}
.kz-site .kz-anat .iso-shade,.kz-site .kz-anat .iso-top{stroke:none}
.kz-site .kz-anat .iso-shade[data-shade="0"]{fill:var(--anatomy-shade-0)}
.kz-site .kz-anat .iso-shade[data-shade="1"]{fill:var(--anatomy-shade-1)}
.kz-site .kz-anat .iso-shade[data-shade="2"]{fill:var(--anatomy-shade-2)}
.kz-site .kz-anat .iso-shade[data-shade="3"]{fill:var(--anatomy-shade-3)}
.kz-site .kz-anat .iso-top{fill:var(--anatomy-top)}
.kz-site .kz-anat .iso-line{fill:none;stroke:var(--anatomy-lo);stroke-width:var(--anatomy-weight);stroke-linecap:round;stroke-linejoin:round}
.kz-site .kz-anat .iso-line[data-tone="hi"]{stroke:var(--anatomy-hi)}
.kz-site .kz-anat .iso-line[data-tone="mid"]{stroke:var(--anatomy-mid)}
.kz-site .kz-anat .iso-line[data-tone="lo"]{stroke:var(--anatomy-lo)}
.kz-site .kz-anat .iso-line[data-tone="faint"]{stroke:var(--anatomy-faint)}
.kz-site .kz-anat .iso-dots circle{fill:var(--anatomy-dot);stroke:none;opacity:.32}
.kz-site .kz-anat .iso-dots[data-tone="hi"] circle{opacity:.85}
.kz-site .kz-anat .iso-dots[data-tone="mid"] circle{opacity:.45}
.kz-site .kz-anat .iso-dots[data-tone="lo"] circle{opacity:.22}
.kz-site .kz-anat .iso-dots[data-tone="faint"] circle{opacity:.12}
.kz-site .kz-anat .sp-pipe-out{fill:var(--sp-out)}
.kz-site .kz-anat .sp-pipe-in{fill:var(--sp-in)}
.kz-site .kz-anat .sp-nut-back{fill:var(--anatomy-shade-1)}
.kz-site .kz-anat .sp-cut{fill:var(--sp-cut);stroke:var(--anatomy-hi);stroke-width:.5;stroke-linejoin:round}
.kz-site .kz-anat .sp-ghost{fill:var(--sp-in);fill-opacity:.16;stroke:none}
.kz-site .kz-anat .sp-water{fill:var(--sp-water);fill-opacity:.55}
.kz-site .kz-anat .sp-surface{fill:var(--sp-water-top);fill-opacity:.9;stroke:var(--sp-water);stroke-width:.5}
.kz-site .kz-anat .sp-sludge{fill:var(--sp-dirt);fill-opacity:.9}
.kz-site .kz-anat .sp-film{fill:var(--sp-film);fill-opacity:.9}
.kz-site .kz-anat .sp-film-back path{fill:var(--sp-film);fill-opacity:.45}
.kz-site .kz-anat .sp-gas circle{fill:var(--sp-gas)}
.kz-site .kz-anat .sp-drop circle{fill:var(--sp-water)}
.kz-site .kz-anat .sp-bowl{fill:var(--anatomy-shade-2)}
.kz-site .kz-anat .sp-slot{fill:var(--anatomy-shade-0);stroke:var(--anatomy-mid);stroke-width:.5}
.kz-site .kz-anat .sp-seal{fill:var(--sp-accent)}

/* Zustandswahl wie im Prüfblatt: 20px-Kreis als Schalter, gewählt Tusche und Planblatt-Grau */
.kz-site .kz-anat .sp-controls{display:grid;gap:18px;margin-top:22px}
.kz-site .kz-anat .sp-switch{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:2px solid var(--kz-ink)}
.kz-site .kz-anat .sp-switch button{
  appearance:none;-webkit-appearance:none;display:flex;align-items:center;gap:10px;min-height:48px;margin:0;padding:0 12px;
  border:0;border-left:1px solid var(--kz-rule);border-bottom:1.5px solid var(--kz-rule-strong);border-radius:0;box-shadow:none;
  background:var(--kz-paper);color:var(--kz-ink);cursor:pointer;touch-action:manipulation;text-align:left;
  font-family:var(--kz-font);font-size:.98rem;line-height:1.2;font-weight:660;font-stretch:92%;letter-spacing:0;text-transform:none;
  transition:background-color .2s,border-color .2s;
}
.kz-site .kz-anat .sp-switch button:first-child{border-left:0}
.kz-site .kz-anat .sp-switch button:hover{background:var(--kz-sheet)}
.kz-site .kz-anat .sp-switch button[aria-checked="true"]{background:var(--kz-sheet);border-bottom-color:var(--kz-ink)}
.kz-site .kz-anat .sp-dot{position:relative;flex:none;width:20px;height:20px;border:1.5px solid var(--kz-ink);border-radius:50%;background:var(--kz-paper)}
.kz-site .kz-anat .sp-dot::after{content:"";position:absolute;inset:3.5px;border-radius:50%;background:var(--sp-water);transform:scale(0);transition:transform .25s var(--kz-ease)}
.kz-site .kz-anat [data-state="dry"] .sp-dot::after{background:var(--sp-gas)}
.kz-site .kz-anat [data-state="dirty"] .sp-dot::after{background:var(--sp-dirt)}
.kz-site .kz-anat [aria-checked="true"] .sp-dot::after{transform:scale(1)}
.kz-site .kz-anat .sp-state-title{margin:0 0 4px;font-size:1.06rem;line-height:1.3;font-weight:720;font-stretch:94%;color:var(--kz-ink)}
.kz-site .kz-anat .sp-state-text{margin:0;font-size:.97rem;line-height:1.58}

/* Legende */
.kz-site .kz-anat-legend{display:grid;gap:10px;margin-top:14px}
.kz-site .kz-anat-legend p{font-size:.88rem;line-height:1.55}
.kz-site .kz-anat-keys{display:flex;flex-wrap:wrap;gap:6px 22px;list-style:none;margin:0;padding:0}
.kz-site .kz-anat-keys li{display:inline-flex;align-items:center;gap:8px;margin:0;font-size:.88rem;line-height:1.4;color:var(--kz-ink)}
.kz-site .kz-anat-swatch{display:inline-block;flex:none;width:14px;height:10px;background:var(--sp-water)}
.kz-site .kz-anat-swatch[data-key="gas"]{width:10px;border-radius:50%;background:var(--sp-gas)}
.kz-site .kz-anat-swatch[data-key="dirt"]{background:var(--sp-dirt)}

/* Einbettung im Abschnitt #siphon */
.kz-site .kz-anat-split{align-items:start}
.kz-site .kz-anat-split .kz-stamp{margin-top:30px}

@media (max-width:680px){
  .kz-site .kz-anat-plate{padding:66px 10px 20px;margin-inline:calc(-1*var(--kz-gutter) + 6px);outline-offset:-6px}
  .kz-site .kz-anat-corners [data-corner="fig"],.kz-site .kz-anat-corners [data-corner="title"]{top:18px}
  .kz-site .kz-anat-corners [data-corner="fig"]{left:16px}
  .kz-site .kz-anat-corners [data-corner="title"],.kz-site .kz-anat-corners [data-corner="readout"]{right:16px}
  .kz-site .kz-anat-corners [data-corner="readout"]{top:38px}
  .kz-site .kz-anat .sp-switch{grid-template-columns:minmax(0,1fr)}
  .kz-site .kz-anat .sp-switch button{border-left:0;min-height:50px}
  .kz-site .kz-anat .sp-controls{padding:0 6px}
}
@media (prefers-reduced-motion:reduce){
  .kz-site .kz-anat .sp-dot::after{transition:none}
}