:root {
  --bg: #f7f7f4;
  --surface: #ffffff;
  --surface-muted: #ece8df;
  --ink: #1f2933;
  --ink-soft: #4b5563;
  --dark: #111827;
  --dark-2: #243447;
  --line: rgba(17, 24, 39, 0.12);
  --accent: #d97706;
  --accent-dark: #b45309;
  --shadow: 0 14px 34px rgba(0, 0, 0, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 84px; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}
a { color: inherit; }
.site-header {
  background: var(--dark);
  color: #ffffff;
  padding: 0 8%;
  height: 84px;
  box-sizing: border-box;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 20;
  box-shadow: 0 2px 18px rgba(0, 0, 0, 0.22);
}
.logo {
  margin: 0;
  font-size: 23px;
  letter-spacing: 0.4px;
  font-weight: 700;
}
.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 14px;
}
.site-nav a {
  color: #ffffff;
  text-decoration: none;
  opacity: 0.88;
}
.site-nav a:hover {
  opacity: 1;
  text-decoration: underline;
  text-underline-offset: 5px;
}
.hero {
  background: linear-gradient(135deg, var(--dark), var(--dark-2));
  color: #ffffff;
  padding: 92px 8% 86px;
}
.hero-kicker {
  margin: 0 0 14px;
  color: #f3c17f;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 14px;
}
.hero h1 {
  font-size: clamp(38px, 5vw, 62px);
  max-width: 940px;
  margin: 0 0 20px;
  line-height: 1.08;
}
.hero-subline {
  font-size: clamp(20px, 2.3vw, 28px);
  margin: 0 0 24px;
  color: #f8fafc;
  font-weight: 600;
  max-width: 820px;
}
.hero-text {
  max-width: 790px;
  font-size: 19px;
  margin: 0 0 34px;
  color: #e5e7eb;
}
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.button {
  display: inline-block;
  background: var(--accent);
  color: #ffffff;
  padding: 13px 24px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid var(--accent);
  transition: background 0.15s ease, transform 0.15s ease;
}
.button:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
}
.button.secondary {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.65);
}
.button.secondary:hover { background: rgba(255, 255, 255, 0.1); }
section { padding: 72px 8%; }
section h2 {
  font-size: clamp(30px, 3vw, 40px);
  margin: 0 0 18px;
  color: var(--dark);
  line-height: 1.2;
}
section h3 { color: var(--dark); }
.intro {
  max-width: 820px;
  font-size: 18px;
  margin: 0 0 38px;
  color: var(--ink-soft);
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 26px;
}
.card {
  background: var(--surface);
  padding: 28px;
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
  border: 1px solid rgba(17, 24, 39, 0.06);
}
.card h3 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 22px;
  overflow-wrap: break-word;
  hyphens: auto;
}
.card ul {
  padding-left: 20px;
  margin-bottom: 0;
}
.card .card-cta { margin: 16px 0 0; }
.card .card-cta .button { padding: 10px 20px; font-size: 15px; }
.card li { margin: 5px 0; }
.dark {
  background: var(--dark);
  color: #ffffff;
}

/* Referent: Foto als Hintergrund links, füllt die Sektion von oben bis
   unten, rechts geht es in die normale Hintergrundfarbe über. Reines
   CSS – Inhalt/Struktur des Blocks bleibt unverändert. */
#referent { position: relative; overflow: hidden; }
#referent::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 52%;
  background-image: url('../img/referent.png');
  background-position: right center;
  background-size: auto 100%;
  background-repeat: no-repeat;
  pointer-events: none;
}
#referent > * { position: relative; z-index: 1; }

.dark h2,
.dark h3 { color: #ffffff; }
.dark .intro,
.dark p,
.dark li { color: #e5e7eb; }
.dark .card {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: none;
}
.highlight { background: var(--surface-muted); }
.about-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 42px;
  align-items: start;
}
.about-photo-wrap {
  display: flex;
  justify-content: flex-start;
  padding-top: 8px;
}
.about-photo {
  width: 220px;
  max-width: 100%;
  height: auto;
  border-radius: 14px;
  box-shadow: var(--shadow);
  display: block;
}
.keyword-boxes {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.keyword-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 10px;
  background: #ffffff;
  border: 1px solid rgba(17, 24, 39, 0.14);
  color: #111827;
  font-size: 15px;
  font-weight: 700;
  box-shadow: 0 5px 16px rgba(0, 0, 0, 0.06);
}
.keyword-box::before {
  content: "";
  width: 7px;
  height: 7px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--accent);
}
.about-cards { margin-top: 36px; }
.timeline {
  display: grid;
  gap: 20px;
  max-width: 980px;
}
.timeline-item {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 22px;
  padding: 24px;
  background: #ffffff;
  border-radius: 12px;
  border: 1px solid var(--line);
}
.timeline-year {
  font-weight: 700;
  color: var(--accent-dark);
}
.timeline-item h3 { margin: 0 0 8px; }
.timeline-item p { margin: 0; }
.article-card {
  display: flex;
  flex-direction: column;
}
.article-card p { flex-grow: 1; }
.download-button {
  display: inline-block;
  align-self: flex-start;
  margin-top: 18px;
  padding: 11px 18px;
  border-radius: 8px;
  background: var(--accent);
  color: #ffffff;
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  transition: background 0.18s ease, transform 0.18s ease;
}
.download-button:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
}
.contact {
  background: var(--dark-2);
  color: #ffffff;
  text-align: center;
}
.contact h2 { color: #ffffff; }
.contact p {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  color: #e5e7eb;
}
.contact-data {
  font-size: 18px;
  margin: 32px 0 26px;
}
footer {
  background: #0b1120;
  color: #cbd5e1;
  text-align: center;
  padding: 24px 8%;
  font-size: 14px;
}
footer a {
  color: #ffffff;
  text-decoration: none;
}
footer a:hover { text-decoration: underline; }
@media (max-width: 850px) {
  #referent::before { display: none; }
  .site-header { position: static; }
  .site-nav { gap: 12px; }
  .hero {
    padding-top: 70px;
    padding-bottom: 70px;
  }
  section { padding: 58px 7%; }
  .about-layout { grid-template-columns: 1fr; }
  .about-photo-wrap { justify-content: flex-start; }
  .about-photo { width: 190px; }
  .timeline-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}
@media (max-width: 700px) {
  .keyword-box {
    width: 100%;
    justify-content: flex-start;
  }
}
@media (max-width: 520px) {
  .site-nav a { font-size: 13px; }
  .card { padding: 23px; }
  .button {
    width: 100%;
    text-align: center;
  }
}

/* ── Hamburger Menu ─────────────────────────────────────────── */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  flex-shrink: 0;
}
.hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background: #ffffff;
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 850px) {
  .hamburger { display: flex; }
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--dark);
    flex-direction: column;
    gap: 0;
    padding: 12px 0 18px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.28);
    z-index: 19;
  }
  .site-nav.open { display: flex; }
  .site-nav a {
    padding: 12px 8%;
    font-size: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.07);
  }
  .site-nav a:last-child { border-bottom: none; }
  .site-header {
    position: sticky;
    top: 0;
    flex-wrap: nowrap;
  }
}

/* ── Scroll-to-Top Button ───────────────────────────────────── */
#scroll-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 46px;
  height: 46px;
  background: var(--accent);
  color: #ffffff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 18px rgba(0,0,0,0.22);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.25s ease, transform 0.25s ease, background 0.15s ease;
  z-index: 100;
  pointer-events: none;
}
#scroll-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
#scroll-top:hover { background: var(--accent-dark); }
#scroll-top svg { width: 20px; height: 20px; }

/* ── In Planung ─────────────────────────────────────────────── */
.card.in-planung { opacity: 0.8; }
.planung-hinweis {
  margin-top: auto;
  font-size: 14px;
  color: var(--ink-soft);
  font-style: italic;
}

/* ── Fachartikel: Beschreibung & Exzerpt ────────────────────── */
.beschreibung {
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink-soft);
  margin-bottom: 14px;
}
.beschreibung p { margin: 0 0 8px; }

.exzerpt-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: 1.5px solid var(--accent);
  color: var(--accent);
  border-radius: 6px;
  padding: 7px 14px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  margin-bottom: 12px;
  transition: background 0.15s, color 0.15s;
}
.exzerpt-toggle:hover,
.exzerpt-toggle[aria-expanded="true"] {
  background: var(--accent);
  color: #fff;
}

.exzerpt-body {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink);
  border-left: 3px solid var(--accent);
  padding: 14px 18px;
  background: rgba(0,0,0,0.02);
  border-radius: 0 8px 8px 0;
  margin-bottom: 14px;
  animation: fadeIn 0.2s ease;
}
.exzerpt-body p  { margin: 0 0 10px; }
.exzerpt-body p:last-child { margin: 0; }
.exzerpt-body ul, .exzerpt-body ol {
  margin: 0 0 10px 20px;
  padding: 0;
}
.exzerpt-body li { margin-bottom: 4px; }
.exzerpt-body h4 { margin: 12px 0 6px; font-size: 15px; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; } }

/* ── Kontaktformular ────────────────────────────────────────── */
.kontakt-form {
  max-width: 640px;
  margin: 28px auto 0;
  text-align: left;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-feld {
  margin-bottom: 18px;
}
.form-feld label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.75);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.form-feld input,
.form-feld textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid rgba(255,255,255,0.2);
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
  color: #fff;
  font-size: 15px;
  font-family: inherit;
  box-sizing: border-box;
  transition: border-color 0.15s, background 0.15s;
}
.form-feld input:focus,
.form-feld textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255,255,255,0.12);
}
.form-feld input::placeholder,
.form-feld textarea::placeholder { color: rgba(255,255,255,0.35); }
.form-feld textarea { resize: vertical; min-height: 120px; }
.form-captcha input { width: 100px !important; }

.kontakt-erfolg {
  background: rgba(40,167,69,0.2);
  border: 1.5px solid rgba(40,167,69,0.5);
  color: #d4edda;
  padding: 16px 22px;
  border-radius: 10px;
  font-weight: 600;
  max-width: 640px;
  margin: 0 auto 24px;
}
.kontakt-fehler {
  background: rgba(220,53,69,0.2);
  border: 1.5px solid rgba(220,53,69,0.4);
  color: #f8d7da;
  padding: 14px 20px;
  border-radius: 10px;
  max-width: 640px;
  margin: 0 auto 20px;
}

@media (max-width: 600px) {
  .form-grid { grid-template-columns: 1fr; gap: 0; }
}

/* ── Badge: Inaktiv ─────────────────────────────────────────── */
.badge.inaktiv { background: #e2e3e5; color: #6c757d; }
.artikel-item.is-inaktiv { opacity: 0.65; }

/* ── Fachartikel: Grid 3 Spalten ────────────────────────────── */
.fa-kategorie .grid {
  grid-template-columns: repeat(3, minmax(0, 300px));
  justify-content: start;
}
.fa-kategorie .article-card {
  max-width: 300px;
  min-height: 260px;
}
@media (max-width: 900px) {
  .fa-kategorie .grid { grid-template-columns: repeat(2, minmax(0, 300px)); }
}
@media (max-width: 560px) {
  .fa-kategorie .grid { grid-template-columns: 1fr; }
  .fa-kategorie .article-card { max-width: 100%; }
}

/* ── Download-Zähler ────────────────────────────────────────── */
.download-count {
  font-size: 13px;
  color: var(--ink-soft);
  margin: 6px 0 0;
}

/* ── Fachbibliothek: Skript-Karten (mehrkapitelige Dokumente) ─── */
/* Fügen sich in das bestehende .fa-kategorie .grid ein */
.skript-card {
  border-color: var(--accent, #e8820c);
}
.skript-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent, #e8820c);
  background: rgba(232, 130, 12, 0.1);
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 10px;
}
.skript-card h3 {
  margin-top: 0;
}
.skript-beschr {
  font-size: 13.5px;
  color: var(--ink-soft, #777);
  margin: 0 0 14px;
  line-height: 1.5;
}
.skript-kapitel {
  margin: 0;
  padding-left: 20px;
  flex-grow: 1;
}
.skript-kapitel li {
  margin-bottom: 7px;
  font-size: 14px;
}
.skript-kapitel a {
  color: var(--accent, #e8820c);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
}
.skript-kapitel a:hover {
  border-bottom-color: var(--accent, #e8820c);
}

/* ── Skript: Download-Zähler pro Kapitel ─────────────────────── */
.skript-kapitel-count {
  font-size: 11px;
  color: var(--ink-soft, #999);
  margin-left: 6px;
}

/* ── Fachbibliothek: Kategorie-Layout (fachartikel.php) ────────── */
.fa-kategorie { padding: 52px 8% 0; }
.fa-kategorie:last-of-type { padding-bottom: 0; }
#bibliothek-ende { margin-top: 72px; }
.fa-kategorie h2 {
  font-size: clamp(22px, 2.4vw, 30px);
  margin: 0 0 8px;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 14px;
}
.fa-kategorie h2::after {
  content: '';
  flex: 1;
  height: 2px;
  background: var(--line);
  border-radius: 2px;
}
.fa-kategorie .grid { margin-top: 22px; }
.fa-leer {
  padding: 72px 8%;
  text-align: center;
  color: var(--ink-soft);
  font-size: 18px;
}
.fa-meta {
  color: var(--ink-soft);
  font-size: 15px;
  margin: 0 0 4px;
}

/* ── Kontaktformular: Honeypot & Erfolgs-Toggle ──────────────── */
.honeypot { display: none !important; }
.kontakt-form.ist-versteckt { display: none; }

/* ── Header: Logo-Link & aktiver Nav-Punkt ───────────────────── */
.site-header .logo a { color: #fff; text-decoration: none; }
.site-nav a.aktiv { text-decoration: underline; text-underline-offset: 5px; }

/* ── Fachbibliothek Hero: Beitragszähler ─────────────────────── */
.hero-count { color: #f3c17f; font-weight: 600; margin: 0; }

/* ── Login-Button (includes/auth.php) volle Breite ───────────── */
.btn-full { width: 100%; margin-top: 8px; }

/* ── Rechtstexte: Impressum & Datenschutz ────────────────────── */
.hero-legal { padding-top: 60px; padding-bottom: 60px; }
.legal-content { max-width: 720px; }
.legal-hr { border: none; border-top: 1px solid #e0e0e0; margin: 36px 0; }
.legal-footnote { color: #999; font-size: 14px; }

/* ── Leistungs-Subpages: Themenbereiche mit Details ──────────── */
.saeule-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 26px;
}
.saeule-grid > .card {
  flex: 0 1 calc((100% - 52px) / 3);
  min-width: 280px;
}
@media (max-width: 900px) {
  .saeule-grid > .card { flex-basis: calc((100% - 26px) / 2); }
}
@media (max-width: 620px) {
  .saeule-grid > .card { flex-basis: 100%; }
}
.saeule-thema {
  border-top: 4px solid var(--accent);
  display: flex;
  flex-direction: column;
}
.saeule-thema h3 {
  font-size: 19px;
  hyphens: none;
}
.saeule-thema p {
  color: var(--ink-soft);
  flex-grow: 1;
}
.saeule-thema .card-cta { margin-top: auto; padding-top: 8px; }
.saeule-details { margin-top: 12px; border-top: 1px solid var(--line); padding-top: 10px; }
.saeule-details summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--accent);
  font-size: 16px;
  list-style: none;
  padding: 4px 0;
}
.saeule-details summary::-webkit-details-marker { display: none; }
.saeule-details summary::before { content: '+ '; }
.saeule-details[open] summary::before { content: '– '; }
.saeule-details-inhalt {
  padding: 8px 0 2px;
  color: var(--ink-soft);
  font-size: 15px;
}
.saeule-details-inhalt ul { margin: 6px 0; padding-left: 20px; }
.fa-cta-zeile {
  margin-top: 36px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.fa-cta-text {
  margin: 0;
  color: var(--ink-soft);
  font-size: 17px;
}
.saeule-grid + .fa-cta-zeile { margin-top: 44px; }

/* ── Einzel-Leistungsseite: 7-Block-Aufbau ───────────────────── */
.leistung-detail { max-width: 760px; }
.leistung-block {
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}
.leistung-block:first-child { padding-top: 0; }
.leistung-block h2 {
  font-size: 20px;
  margin: 0 0 12px;
  color: var(--dark);
}
.leistung-block ul { margin: 0; padding-left: 20px; }
.leistung-block ol { margin: 0; padding-left: 22px; }
.leistung-block p { margin: 0 0 10px; }
.leistung-block p:last-child { margin-bottom: 0; }
.leistung-cta-block {
  border-bottom: none;
  background: var(--surface-muted);
  padding: 24px 28px;
  border-radius: 12px;
  margin-top: 8px;
}
.leistung-cta-block .button { margin-top: 6px; }
.leistung-zurueck { margin-top: 32px; font-size: 15px; }
.btn-zurueck {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1.5px solid var(--line);
  border-radius: 8px;
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.btn-zurueck:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
  background: rgba(217, 119, 6, 0.06);
}

/* ── Programm-Aufbau: horizontales Flussdiagramm ─────────────── */
.programm-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 0;
}
.programm-schritt {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: var(--surface-muted);
  border-radius: 10px;
  padding: 16px 14px;
  flex: 1 1 140px;
  min-width: 130px;
}
.programm-nr {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: #ffffff;
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 8px;
  flex-shrink: 0;
}
.programm-text { font-size: 14px; color: var(--ink); line-height: 1.4; }
.programm-pfeil {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 8px;
  color: var(--accent);
  font-size: 20px;
  font-weight: 700;
  flex: 0 0 auto;
}
@media (max-width: 700px) {
  .programm-flow { flex-direction: column; gap: 10px; }
  .programm-schritt { width: 100%; }
  .programm-pfeil { transform: rotate(90deg); padding: 6px 0; }
}