/* ==========================================================================
     Alle Styles sind bewusst unter .zw-flanschnorm gescopt, damit dieses
     Snippet konfliktfrei in ein Shopware-6-CMS-Element eingebettet werden
     kann, ohne Storefront-Klassen zu überschreiben. Tokens liegen als
     CSS-Variablen vor, damit das Shopware-Theme sie überschreiben kann.
  ========================================================================== */
  .zw-flanschnorm {
    --zw-bg: #F5F6F4;
    --zw-surface: #FFFFFF;
    --zw-ink: #14212B;
    --zw-ink-soft: #45545E;
    --zw-primary: #1C4E66;
    --zw-primary-dark: #0E2F40;
    --zw-line: #D7DBD7;
    --zw-line-strong: #B7C0BE;
    --zw-warn-bg: #FBF1E6;
    --zw-warn-border: #C2600C;
    --zw-radius: 4px;
    --zw-font-display: "IBM Plex Sans Condensed", "Arial Narrow", sans-serif;
    --zw-font-headline: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
    --zw-font-body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
    --zw-font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

    background: var(--zw-bg);
    color: var(--zw-ink);
    font-family: var(--zw-font-body);
    font-size: 1rem;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }

  .zw-flanschnorm * { box-sizing: border-box; }

  .zw-flanschnorm a { color: var(--zw-primary-dark); text-decoration-thickness: 1px; text-underline-offset: 3px; }
  .zw-flanschnorm a:hover { color: var(--zw-primary); }

  /* Sichtbarer Fokusring statt outline:none — Pflicht für Barrierefreiheit */
  .zw-flanschnorm a:focus-visible,
  .zw-flanschnorm summary:focus-visible,
  .zw-flanschnorm .zw-skiplink:focus {
    outline: 3px solid var(--zw-primary);
    outline-offset: 2px;
    border-radius: 2px;
  }

  .zw-skiplink {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--zw-primary-dark);
    color: #fff;
    padding: 0.75rem 1.25rem;
    z-index: 100;
    font-family: var(--zw-font-body);
  }
  .zw-skiplink:focus { left: 1rem; top: 1rem; }

  .zw-breadcrumb {
    font-family: var(--zw-font-mono);
    font-size: 0.8rem;
    color: var(--zw-ink-soft);
    padding: 1rem 0 0.5rem;
  }
  .zw-breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 0.4rem; padding-left: 0; margin: 0; }
  .zw-breadcrumb li:not(:last-child)::after { content: "/"; margin-left: 0.4rem; color: var(--zw-line-strong); }
  .zw-breadcrumb a { color: var(--zw-ink-soft); }
  .zw-breadcrumb [aria-current="page"] { color: var(--zw-primary-dark); font-weight: 500; }

  .zw-eyebrow {
    font-family: var(--zw-font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--zw-primary);
    margin: 0 0 0.6rem;
  }

  .zw-h1 {
    font-family: var(--zw-font-headline);
    font-weight: 700;
    font-size: clamp(1.9rem, 1.4rem + 2vw, 3rem);
    line-height: 1.1;
    color: var(--zw-primary-dark);
    margin: 0 0 1rem;
    max-width: 22ch;
  }

  .zw-lead {
    font-size: 1.15rem;
    color: var(--zw-ink-soft);
    max-width: 62ch;
    margin: 0 0 2rem;
  }

  /* --- Signaturelement 1: Schriftfeld, angelehnt an das Title-Block-Feld
     technischer Zeichnungen. Enthält die Kerndaten der Norm auf einen Blick. --- */
  .zw-titleblock {
    background: var(--zw-surface);
    border: 1.5px solid var(--zw-primary);
    border-radius: var(--zw-radius);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    margin: 0 0 3rem;
    overflow: hidden;
  }
  @media (min-width: 768px) {
    .zw-titleblock { grid-template-columns: repeat(4, 1fr); }
  }
  .zw-titleblock dl {
    margin: 0;
    padding: 0.9rem 1.1rem;
    border-right: 1px solid var(--zw-line);
    border-top: 1px solid var(--zw-line);
  }
  .zw-titleblock dl:nth-child(-n+2) { border-top: none; }
  @media (min-width: 768px) {
    .zw-titleblock dl:nth-child(-n+4) { border-top: none; }
  }
  .zw-titleblock dl:last-child,
  .zw-titleblock dl:nth-child(2n) { border-right: none; }
  @media (min-width: 768px) {
    .zw-titleblock dl:nth-child(2n) { border-right: 1px solid var(--zw-line); }
    .zw-titleblock dl:nth-child(4n) { border-right: none; }
  }
  .zw-titleblock dt {
    font-family: var(--zw-font-mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--zw-ink-soft);
    margin-bottom: 0.2rem;
  }
  .zw-titleblock dd {
    margin: 0;
    font-family: var(--zw-font-mono);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--zw-primary-dark);
  }

  /* --- Signaturelement 2: Maßlinien-Divider, angelehnt an Bemaßungslinien
     technischer Zeichnungen — markiert den Übergang zu einem neuen Datenblock. --- */
  .zw-dimdivider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 3.5rem 0 1.5rem;
  }
  .zw-dimdivider::before,
  .zw-dimdivider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--zw-line-strong);
    background-image:
      linear-gradient(to right, var(--zw-line-strong) 1px, transparent 1px),
      linear-gradient(to right, var(--zw-line-strong) 1px, transparent 1px);
    background-size: 100% 8px, 100% 8px;
    background-position: left top, right top;
    background-repeat: no-repeat;
  }
  .zw-dimdivider__label {
    font-family: var(--zw-font-mono);
    font-size: 0.8rem;
    color: var(--zw-ink-soft);
    white-space: nowrap;
  }

  .zw-h2 {
    font-family: var(--zw-font-headline);
    font-weight: 600;
    font-size: 1.6rem;
    color: var(--zw-primary-dark);
    margin: 0 0 1rem;
  }

  .zw-h3 {
    font-family: var(--zw-font-headline);
    font-weight: 600;
    font-size: 1.15rem;
    color: var(--zw-ink);
    margin: 0 0 0.5rem;
  }

  .zw-card {
    background: var(--zw-surface);
    border: 1px solid var(--zw-line);
    border-radius: var(--zw-radius);
    padding: 1.5rem;
    height: 100%;
  }
  .zw-card .zw-code {
    display: inline-block;
    font-family: var(--zw-font-mono);
    font-weight: 500;
    background: var(--zw-bg);
    border: 1px solid var(--zw-line);
    border-radius: 3px;
    padding: 0.1rem 0.45rem;
    font-size: 0.95rem;
  }

  .zw-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--zw-line);
    border-radius: var(--zw-radius);
    background: var(--zw-surface);
    margin-bottom: 1rem;
  }
  .zw-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
    min-width: 480px;
  }
  .zw-table caption {
    text-align: left;
    font-family: var(--zw-font-mono);
    font-size: 0.8rem;
    color: var(--zw-ink-soft);
    padding: 0.75rem 1rem 0;
  }
  .zw-table th,
  .zw-table td {
    padding: 0.65rem 1rem;
    border-bottom: 1px solid var(--zw-line);
    text-align: left;
    vertical-align: top;
  }
  .zw-table thead th {
    font-family: var(--zw-font-display);
    font-weight: 600;
    background: var(--zw-bg);
    color: var(--zw-primary-dark);
    border-bottom: 2px solid var(--zw-primary);
  }
  .zw-table tbody tr:last-child td { border-bottom: none; }
  .zw-table td.zw-num, .zw-table th.zw-num { font-family: var(--zw-font-mono); }

  .zw-callout {
    display: flex;
    gap: 0.9rem;
    background: var(--zw-warn-bg);
    border: 1px solid var(--zw-warn-border);
    border-left-width: 4px;
    border-radius: var(--zw-radius);
    padding: 1rem 1.2rem;
    margin: 1.25rem 0 2rem;
  }
  .zw-callout__icon {
    flex-shrink: 0;
    width: 1.4rem;
    height: 1.4rem;
    color: var(--zw-warn-border);
  }
  .zw-callout p { margin: 0; }
  .zw-callout strong { font-family: var(--zw-font-display); }

  .zw-links-grid { margin-top: 1rem; }
  .zw-link-card {
    display: block;
    background: var(--zw-surface);
    border: 1px solid var(--zw-line);
    border-radius: var(--zw-radius);
    padding: 1.25rem;
    height: 100%;
    text-decoration: none;
    transition: border-color 0.15s ease, transform 0.15s ease;
  }
  .zw-link-card:hover,
  .zw-link-card:focus-visible {
    border-color: var(--zw-primary);
    transform: translateY(-2px);
  }
  @media (prefers-reduced-motion: reduce) {
    .zw-link-card { transition: none; }
    .zw-link-card:hover { transform: none; }
  }
  .zw-link-card__eyebrow {
    font-family: var(--zw-font-mono);
    font-size: 0.72rem;
    color: var(--zw-primary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
  }
  .zw-link-card__title {
    font-family: var(--zw-font-headline);
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--zw-ink);
    margin: 0.3rem 0 0.4rem;
  }
  .zw-link-card__desc { font-size: 0.9rem; color: var(--zw-ink-soft); margin: 0; }

  .zw-faq details {
    border-bottom: 1px solid var(--zw-line);
    padding: 1rem 0;
  }
  .zw-faq summary {
    cursor: pointer;
    font-family: var(--zw-font-headline);
    font-weight: 600;
    font-size: 1.02rem;
    color: var(--zw-ink);
    list-style: none;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: center;
  }
  .zw-faq summary::-webkit-details-marker { display: none; }
  .zw-faq summary::after {
    content: "+";
    font-family: var(--zw-font-mono);
    font-size: 1.3rem;
    color: var(--zw-primary);
    flex-shrink: 0;
  }
  .zw-faq details[open] summary::after { content: "–"; }
  .zw-faq p { margin: 0.7rem 0 0; color: var(--zw-ink-soft); max-width: 68ch; }

  .zw-cta {
    background: var(--zw-primary-dark);
    color: #fff;
    border-radius: var(--zw-radius);
    padding: 2rem;
    margin-top: 3rem;
  }
  .zw-cta .zw-h2 { color: #fff; }
  .zw-cta p { color: #C9D6DB; max-width: 60ch; }
  .zw-cta a.zw-btn {
    display: inline-block;
    background: #fff;
    color: var(--zw-primary-dark);
    font-weight: 600;
    padding: 0.7rem 1.4rem;
    border-radius: 3px;
    text-decoration: none;
    margin-top: 0.75rem;
  }
  .zw-cta a.zw-btn:hover { background: #E9EEF0; color: var(--zw-primary-dark); }

  .zw-source-note {
    font-size: 0.82rem;
    color: var(--zw-ink-soft);
    border-top: 1px solid var(--zw-line);
    margin-top: 3rem;
    padding-top: 1rem;
  }

  section { padding-top: 0.5rem; }

/* --- Ergänzungen für die weiteren Wissensseiten (Übersicht, Maßtabellen) --- */
.zw-hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin: 2rem 0 3rem;
}
.zw-hub-card {
  display: block;
  background: var(--zw-surface);
  border: 1px solid var(--zw-line);
  border-radius: var(--zw-radius);
  padding: 1.5rem;
  text-decoration: none;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.zw-hub-card:hover, .zw-hub-card:focus-visible {
  border-color: var(--zw-primary);
  transform: translateY(-2px);
}
@media (prefers-reduced-motion: reduce) {
  .zw-hub-card { transition: none; }
  .zw-hub-card:hover { transform: none; }
}
.zw-hub-card__title {
  font-family: var(--zw-font-headline);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--zw-primary-dark);
  margin: 0 0 0.4rem;
}
.zw-hub-card__desc { font-size: 0.92rem; color: var(--zw-ink-soft); margin: 0; }

.zw-table-scroll-hint {
  font-size: 0.82rem;
  color: var(--zw-ink-soft);
  margin: 0 0 0.5rem;
}

.zw-back-link {
  display: inline-block;
  margin-top: 2rem;
  font-family: var(--zw-font-mono);
  font-size: 0.9rem;
}

/* --- Pagefind-Suchbox: an das Zickwolff-Farbschema angeglichen --- */
.zw-search {
  margin: 1.5rem 0 0;
  max-width: 480px;
}
.zw-search .pagefind-ui {
  --pagefind-ui-scale: 0.92;
  --pagefind-ui-primary: var(--zw-primary-dark);
  --pagefind-ui-text: var(--zw-ink);
  --pagefind-ui-background: var(--zw-surface);
  --pagefind-ui-border: var(--zw-line);
  --pagefind-ui-border-width: 1px;
  --pagefind-ui-border-radius: 4px;
  --pagefind-ui-font: var(--zw-font-body);
}

/* --- Eigenständiges, leichtes Grid-Ersatzsystem ohne Bootstrap-Abhaengigkeit ---
   Ersetzt die urspruenglich fuer eine Shopware-Einbettung vorgesehenen
   Bootstrap-Klassen (row/col-*), da diese Seiten als eigenstaendiger
   /wissen/-Ordner ausgeliefert werden und kein Bootstrap mitbringen. */
.zw-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 0 0 1.5rem;
}
.zw-row > * { flex: 1 1 280px; }
.zw-row.zw-row-2col > * { flex-basis: calc(50% - 0.5rem); }
.zw-row.zw-row-4col > * { flex-basis: calc(25% - 0.75rem); }
@media (max-width: 640px) {
  .zw-row.zw-row-2col > *, .zw-row.zw-row-4col > * { flex-basis: 100%; }
}

/* --- Eigenständige .container-Definition (ersetzt Bootstraps .container) --- */
.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* --- Technische Flansch-Prinzipskizze --- */
.zw-figure {
  background: var(--zw-surface);
  border: 1px solid var(--zw-line);
  border-radius: var(--zw-radius);
  padding: 1.25rem 1rem 0.5rem;
  margin: 0 0 2rem;
  max-width: 800px;
}
.zw-flansch-figure { width: 100%; height: auto; display: block; }
.zw-flansch-label {
  font-family: var(--zw-font-mono);
  font-size: 13px;
  fill: var(--zw-primary-dark);
}
.zw-flansch-label--badge {
  fill: #FFFFFF;
  font-weight: 600;
}
.zw-figure figcaption {
  font-size: 0.82rem;
  color: var(--zw-ink-soft);
  padding: 0.6rem 0.25rem 0.9rem;
  border-top: 1px solid var(--zw-line);
  margin-top: 0.5rem;
}

/* --- Bidirektionaler Einheiten-Umrechner --- */
.zw-converter {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  background: var(--zw-surface);
  border: 1px solid var(--zw-line);
  border-radius: var(--zw-radius);
  padding: 1rem 1.25rem;
  margin: 0 0 2rem;
  max-width: 620px;
}
.zw-converter__row { display: flex; gap: 0.5rem; align-items: center; }
.zw-converter__input {
  font-family: var(--zw-font-mono);
  font-size: 1rem;
  width: 8rem;
  padding: 0.45rem 0.6rem;
  border: 1px solid var(--zw-line);
  border-radius: 3px;
  background: var(--zw-bg);
  color: var(--zw-ink);
}
.zw-converter__unit {
  font-family: var(--zw-font-body);
  font-size: 0.9rem;
  padding: 0.45rem 0.5rem;
  border: 1px solid var(--zw-line);
  border-radius: 3px;
  background: var(--zw-bg);
  color: var(--zw-ink);
}
.zw-converter__input:focus-visible, .zw-converter__unit:focus-visible {
  outline: 3px solid var(--zw-primary);
  outline-offset: 1px;
}
.zw-converter__equals {
  font-family: var(--zw-font-mono);
  color: var(--zw-ink-soft);
  font-size: 1.1rem;
}
.zw-sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}
.zw-flansch-viewtitle {
  font-family: "IBM Plex Sans Condensed", "Arial Narrow", sans-serif;
  font-size: 15px;
  font-weight: 600;
  fill: var(--zw-ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --- Footer: Rechtliches (Links auf zickwolff.de-Hauptseite) --- */
.zw-footer {
  margin-top: 64px;
  padding: 18px 0 10px;
  border-top: 1px solid var(--zw-line-strong);
  color: var(--zw-ink-soft);
}
.zw-footer__links {
  list-style: none;
  margin: 0 0 10px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 24px;
  font-size: 0.85rem;
}
.zw-footer__links a {
  color: var(--zw-primary);
  text-decoration: none;
}
.zw-footer__links a:hover,
.zw-footer__links a:focus {
  text-decoration: underline;
}
.zw-footer__note {
  margin: 0;
  font-size: 0.8rem;
}
.zw-footer__note a {
  color: inherit;
}