:root {
    --ink: #0d0d0d;
    --ink-soft: #424242;
    --ink-muted: #6a6a6a;
    --paper: #f8f6f2;
    --paper-warm: #f0ede6;
    --accent: #233446;
    --accent-line: #233446;
    --white: #ffffff;
    --serif: 'Avenir Next', 'Avenir', -apple-system, 'Helvetica Neue', sans-serif;
    --sans: 'Avenir Next', 'Avenir', -apple-system, 'Helvetica Neue', sans-serif;
    --max: 1140px;
    --gap: clamp(2rem, 5vw, 5rem);
  }

  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  html { scroll-behavior: smooth; }

  body {
    font-family: var(--sans);
    background: var(--paper);
    color: var(--ink);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }

  /* NAV */
  nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 1.25rem clamp(1.5rem, 5vw, 4rem);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(248, 246, 242, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(200, 184, 154, 0.3);
    transition: background 0.3s;
  }

  .nav-logo {
    font-family: var(--sans);
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink);
    text-decoration: none;
  }

  .nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
  }

  .nav-links a {
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-soft);
    text-decoration: none;
    transition: color 0.2s;
  }

  .nav-links a:hover { color: var(--ink); }

  .nav-cta {
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink);
    text-decoration: none;
    border-bottom: 1px solid var(--ink);
    padding-bottom: 1px;
    transition: opacity 0.2s;
  }

  .nav-cta:hover { opacity: 0.5; }

  /* SECTIONS */
  section {
    padding: clamp(5rem, 10vw, 9rem) clamp(1.5rem, 5vw, 4rem);
    max-width: var(--max);
    margin: 0 auto;
  }

  .full-bleed {
    max-width: none;
    padding-left: 0;
    padding-right: 0;
  }

  .full-bleed > .inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 clamp(1.5rem, 5vw, 4rem);
  }

  /* HERO */
  #hero {
    min-height: 100vh;
    display: flex;
    align-items: flex-end;
    padding-top: 8rem;
    padding-bottom: clamp(4rem, 8vw, 7rem);
    border-bottom: 1px solid var(--accent-line);
    position: relative;
  }

  .hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: end;
    width: 100%;
  }

  .hero-label {
    font-size: 0.72rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--ink-muted);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
  }

  .hero-label::before {
    content: '';
    display: block;
    width: 2rem;
    height: 1px;
    background: var(--accent-line);
  }

  .hero-h1 {
    font-family: var(--serif);
    font-size: clamp(2.8rem, 5.5vw, 5.2rem);
    line-height: 1.08;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin-bottom: 2.5rem;
  }

  .hero-h1 em {
    font-style: normal;
    font-weight: 300;
    color: var(--ink-soft);
  }

  .section-h2 em {
    font-style: normal;
    font-weight: 300;
    color: var(--ink-soft);
  }

  .anfrage-h2 em {
    font-style: normal;
    font-weight: 300;
    color: var(--ink-soft);
  }

  .hero-sub {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--ink-soft);
    font-weight: 300;
    max-width: 36ch;
    margin-bottom: 3rem;
  }

  .hero-actions {
    display: flex;
    align-items: center;
    gap: 2rem;
  }

  .btn-primary {
    display: inline-block;
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--paper);
    background: var(--ink);
    padding: 0.9rem 2rem;
    text-decoration: none;
    transition: opacity 0.2s;
  }

  .btn-primary:hover { opacity: 0.75; }

  .btn-ghost {
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-soft);
    text-decoration: none;
    border-bottom: 1px solid var(--accent-line);
    padding-bottom: 1px;
    transition: color 0.2s;
  }

  .btn-ghost:hover { color: var(--ink); }

  .hero-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2rem;
  }

  .hero-img {
    width: 100%;
    max-width: 440px;
    aspect-ratio: 3/4;
    background: var(--paper-warm);
    border: 1px solid var(--accent-line);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
  }

  .hero-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
    border-radius: 20px;
  }

  .hero-img-placeholder {
    font-size: 0.72rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--ink-muted);
    text-align: center;
  }

  .hero-stat {
    display: flex;
    gap: 3rem;
  }

  .stat-item { text-align: right; }

  .stat-num {
    font-family: var(--serif);
    font-size: 2.2rem;
    color: var(--ink);
    line-height: 1;
  }

  .stat-label {
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink-muted);
    margin-top: 0.3rem;
  }

  /* REFERENZEN */
  #referenzen {
    padding-top: 4rem;
    padding-bottom: 4rem;
    border-bottom: 1px solid var(--accent-line);
  }

  .ref-row {
    display: flex;
    align-items: center;
    gap: 0;
  }

  .ref-label {
    font-size: 0.68rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-muted);
    white-space: nowrap;
    margin-right: 3rem;
    flex-shrink: 0;
  }

  .ref-items {
    display: flex;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
  }

  .ref-item {
    font-size: 0.82rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-soft);
    font-weight: 500;
    opacity: 0.6;
    transition: opacity 0.2s;
  }

  .ref-item:hover { opacity: 1; }

  .ref-divider {
    width: 1px;
    height: 1rem;
    background: var(--accent-line);
  }

  /* KERNBOTSCHAFT */
  #kernbotschaft {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: clamp(3rem, 6vw, 7rem);
    align-items: start;
    border-bottom: 1px solid var(--accent-line);
  }

  .section-eyebrow {
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--ink-muted);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
  }

  .section-eyebrow::before {
    content: '';
    display: block;
    width: 1.5rem;
    height: 1px;
    background: var(--accent-line);
  }

  .section-h2 { font-family: var(--serif); font-size: clamp(1.8rem, 3.5vw, 3rem); line-height: 1.12; letter-spacing: -0.01em; color: var(--ink); }

  .kern-right { padding-top: 0.5rem; }

  .kern-lead {
    font-size: 1.15rem;
    line-height: 1.65;
    color: var(--ink-soft);
    font-weight: 300;
    margin-bottom: 3rem;
    border-left: 2px solid var(--accent-line);
    padding-left: 1.5rem;
  }

  .kern-cards {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1px;
    background: var(--accent-line);
    border: 1px solid var(--accent-line);
  }

  .kern-card {
    background: var(--paper);
    padding: 1.5rem;
  }

  .kern-card-num {
    font-family: var(--serif);
    font-size: 1.8rem;
    color: var(--accent-line);
    line-height: 1;
    margin-bottom: 0.75rem;
  }

  .kern-card-title {
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink);
    font-weight: 500;
    margin-bottom: 0.5rem;
  }

  .kern-card-body {
    font-size: 0.85rem;
    color: var(--ink-soft);
    line-height: 1.6;
    font-weight: 300;
  }

  /* THEMEN */
  #themen { border-bottom: 1px solid var(--accent-line); }

  .themen-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 4rem;
  }

  .themen-list { display: flex; flex-direction: column; }

  .thema-item {
    border-top: 1px solid var(--accent-line);
    cursor: pointer;
  }

  .thema-item:last-child { border-bottom: 1px solid var(--accent-line); }

  .thema-header {
    display: grid;
    grid-template-columns: 5rem 1fr auto;
    align-items: center;
    gap: 2.5rem;
    padding: 2.25rem 0;
    transition: background 0.2s, padding 0.2s, margin 0.2s;
  }

  .thema-item:hover .thema-header,
  .thema-item.open .thema-header { background: var(--paper-warm); margin: 0 -2rem; padding-left: 2rem; padding-right: 2rem; }

  .thema-toggle {
    width: 28px; height: 28px;
    border: 1px solid var(--accent-line);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    transition: transform 0.35s cubic-bezier(0.25,0.46,0.45,0.94), background 0.2s;
  }

  .thema-item.open .thema-toggle { background: var(--accent-line); transform: rotate(45deg); }

  .thema-toggle-line { position: relative; width: 10px; height: 10px; }
  .thema-toggle-line::before, .thema-toggle-line::after {
    content: ''; position: absolute; background: var(--accent-line); transition: background 0.2s;
  }
  .thema-toggle-line::before { width: 10px; height: 1px; top: 50%; left: 0; transform: translateY(-50%); }
  .thema-toggle-line::after  { width: 1px; height: 10px; left: 50%; top: 0; transform: translateX(-50%); }
  .thema-item.open .thema-toggle-line::before,
  .thema-item.open .thema-toggle-line::after { background: var(--paper); }

  .thema-body {
    max-height: 0; overflow: hidden;
    transition: max-height 0.45s cubic-bezier(0.25,0.46,0.45,0.94), opacity 0.35s ease;
    opacity: 0; padding-left: 7.5rem;
  }

  .thema-item.open .thema-body { max-height: 500px; opacity: 1; }

  .thema-body-inner {
    padding-bottom: 2rem;
    display: grid; grid-template-columns: 1fr 1fr; gap: 2rem;
  }

  .thema-desc { font-size: 0.95rem; line-height: 1.75; color: var(--ink-soft); font-weight: 300; }

  .thema-details { display: flex; flex-direction: column; gap: 1rem; }
  .thema-detail-row { display: flex; flex-direction: column; gap: 0.2rem; }
  .thema-detail-label { font-size: 0.65rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-muted); }
  .thema-detail-val { font-size: 0.9rem; color: var(--ink); font-weight: 500; }

  .thema-num {
    font-family: var(--serif);
    font-size: 1.1rem;
    color: var(--ink-muted);
    font-style: italic;
  }

  .thema-title {
    font-family: var(--serif);
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: var(--ink);
    line-height: 1.25;
  }

  .thema-meta {
    text-align: right;
    flex-shrink: 0;
  }

  .thema-format {
    font-size: 0.68rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--ink-muted);
  }

  .thema-dauer {
    font-size: 0.78rem;
    color: var(--ink-soft);
    margin-top: 0.25rem;
  }

  /* ÜBER */
  #ueber {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(3rem, 6vw, 7rem);
    align-items: start;
    border-bottom: 1px solid var(--accent-line);
  }

  .ueber-img {
    aspect-ratio: 4/5;
    background: var(--paper-warm);
    border: 1px solid var(--accent-line);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: sticky;
    top: 6rem;
    overflow: hidden;
  }

  .ueber-img-placeholder {
    font-size: 0.68rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--ink-muted);
    text-align: center;
  }

  .ueber-right { padding-top: 0.5rem; }

  .ueber-body {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--ink-soft);
    font-weight: 300;
    margin-bottom: 3rem;
  }

  .ueber-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 3rem;
  }

  .tag {
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-soft);
    border: 1px solid var(--accent-line);
    padding: 0.4rem 0.9rem;
  }

  .ueber-facts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--accent-line);
    border: 1px solid var(--accent-line);
  }

  .fact {
    background: var(--paper);
    padding: 1.25rem;
  }

  .fact-label {
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--ink-muted);
    margin-bottom: 0.4rem;
  }

  .fact-value {
    font-family: var(--serif);
    font-size: 1.3rem;
    color: var(--ink);
  }

  /* TESTIMONIAL */
  #testimonial {
    text-align: center;
    border-bottom: 1px solid var(--accent-line);
    background: var(--paper-warm);
    padding-top: clamp(4rem, 8vw, 7rem);
    padding-bottom: clamp(4rem, 8vw, 7rem);
  }

  .testimonial-quote {
    font-family: var(--serif);
    font-size: clamp(1.4rem, 3vw, 2.4rem);
    line-height: 1.35;
    color: var(--ink);
    font-style: italic;
    max-width: 760px;
    margin: 0 auto 2rem;
  }

  .testimonial-source {
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--ink-muted);
  }

  .testimonial-divider {
    width: 2rem;
    height: 1px;
    background: var(--accent-line);
    margin: 1rem auto;
  }

  /* VIDEO KARUSSELL */
  #video-section {
    border-bottom: 1px solid var(--accent-line);
    overflow: hidden;
  }

  .video-karussell-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 2.5rem;
  }

  .video-nav-btns {
    display: flex;
    gap: 0.75rem;
    align-items: center;
  }

  .vid-nav-btn {
    width: 40px; height: 40px;
    border: 1px solid var(--accent-line);
    border-radius: 50%;
    background: transparent;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: background 0.2s;
    font-family: var(--sans);
    color: var(--ink);
    font-size: 1rem;
  }
  .vid-nav-btn:hover { background: var(--paper-warm); }
  .vid-nav-btn:disabled { opacity: 0.25; cursor: default; }

  .video-track-outer {
    overflow: hidden;
    border-radius: 20px;
  }

  .video-track {
    display: flex;
    gap: 1.5rem;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  }

  .video-slide {
    flex: 0 0 calc(50% - 0.75rem);
    min-width: 0;
  }

  .video-wrap {
    aspect-ratio: 16/9;
    background: var(--ink);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    cursor: pointer;
    overflow: hidden;
  }

  .video-wrap iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 20px;
  }

  .video-overlay {
    position: absolute;
    inset: 0;
    background: rgba(13,13,13,0.45);
    transition: opacity 0.3s;
    border-radius: 20px;
    z-index: 1;
  }

  .video-wrap.playing .video-overlay { opacity: 0; pointer-events: none; }
  .video-wrap.playing .play-btn { opacity: 0; pointer-events: none; }
  .video-wrap.playing .video-thumb { opacity: 0; }

  .video-thumb {
    position: absolute;
    inset: 0;
    object-fit: cover;
    width: 100%;
    height: 100%;
    border-radius: 20px;
    transition: opacity 0.3s;
  }
  video.video-thumb {
    background: var(--ink);
  }

  .play-btn {
    position: relative;
    z-index: 2;
    width: 4rem; height: 4rem;
    border: 1px solid rgba(248,246,242,0.6);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    transition: border-color 0.2s, background 0.2s, transform 0.2s;
  }
  .video-wrap:hover .play-btn {
    background: rgba(248,246,242,0.15);
    border-color: rgba(248,246,242,1);
    transform: scale(1.08);
  }

  .play-triangle {
    width: 0; height: 0;
    border-top: 9px solid transparent;
    border-bottom: 9px solid transparent;
    border-left: 16px solid var(--paper);
    margin-left: 4px;
  }

  .video-caption {
    margin-top: 0.85rem;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-muted);
    padding: 0 0.25rem;
  }

  .video-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
  }

  .video-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--accent-line);
    opacity: 0.25;
    transition: opacity 0.2s;
    cursor: pointer;
    border: none;
    padding: 0;
  }
  .video-dot.active { opacity: 1; }

  @media (max-width: 700px) {
    .video-slide { flex: 0 0 100%; }
  }

  /* ANFRAGE */
  #anfrage {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(3rem, 6vw, 7rem);
    align-items: start;
  }

  .anfrage-left { padding-top: 0.5rem; }

  .anfrage-h2 {
    font-family: var(--serif);
    font-size: clamp(2rem, 4vw, 3.5rem);
    line-height: 1.1;
    letter-spacing: -0.01em;
    color: var(--ink);
    margin-bottom: 1.5rem;
  }

  .anfrage-sub {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--ink-soft);
    font-weight: 300;
    margin-bottom: 3rem;
  }

  .anfrage-contact { display: flex; flex-direction: column; gap: 0.75rem; }

  .contact-line {
    font-size: 0.9rem;
    color: var(--ink-soft);
    font-weight: 300;
  }

  .contact-line a {
    color: var(--ink-soft);
    text-decoration: none;
    border-bottom: 1px solid var(--accent-line);
    transition: opacity 0.2s;
  }

  .contact-line a:hover { opacity: 0.6; }

  .form-field { margin-bottom: 1.25rem; }

  .form-label {
    display: block;
    font-size: 0.68rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-muted);
    margin-bottom: 0.5rem;
  }

  .form-input,
  .form-select,
  .form-textarea {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--accent-line);
    padding: 0.6rem 0;
    font-family: var(--sans);
    font-size: 0.95rem;
    font-weight: 300;
    color: var(--ink);
    outline: none;
    transition: border-color 0.2s;
    appearance: none;
  }

  .form-input:focus,
  .form-select:focus,
  .form-textarea:focus { border-color: var(--ink); }

  .form-input::placeholder,
  .form-textarea::placeholder { color: var(--ink-muted); }

  .form-select { cursor: pointer; background: transparent; }

  .form-textarea { resize: none; height: 80px; }

  .form-submit {
    margin-top: 2rem;
    display: inline-block;
    font-family: var(--sans);
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--paper);
    background: var(--ink);
    border: none;
    padding: 0.9rem 2.5rem;
    cursor: pointer;
    transition: opacity 0.2s;
    width: 100%;
  }

  .form-submit:hover { opacity: 0.75; }

  /* FOOTER */
  footer {
    padding: 2.5rem clamp(1.5rem, 5vw, 4rem);
    border-top: 1px solid var(--accent-line);
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--max);
    margin: 0 auto;
  }

  .footer-logo {
    font-family: var(--sans);
    font-weight: 500;
    font-size: 0.85rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--ink-soft);
  }

  .footer-copy {
    font-size: 0.72rem;
    color: var(--ink-muted);
    letter-spacing: 0.05em;
  }

  .footer-links {
    display: flex;
    gap: 2rem;
    list-style: none;
  }

  .footer-links a {
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-muted);
    text-decoration: none;
    transition: color 0.2s;
  }

  .footer-links a:hover { color: var(--ink); }

  /* ANIMATIONS */
  .lang-btn {
    font-family: var(--sans);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    background: none;
    border: none;
    color: var(--ink-muted);
    cursor: pointer;
    padding: 2px 4px;
    transition: color 0.2s;
  }
  .lang-btn.active { color: var(--ink); border-bottom: 1px solid var(--ink); }
  .lang-btn:hover { color: var(--ink); }

  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .fade-up {
    opacity: 0;
    animation: fadeUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
  }

  .delay-1 { animation-delay: 0.15s; }
  .delay-2 { animation-delay: 0.3s; }
  .delay-3 { animation-delay: 0.45s; }
  .delay-4 { animation-delay: 0.6s; }

  /* RESPONSIVE */
  @media (max-width: 900px) {
    .hero-inner { grid-template-columns: 1fr; }
    .hero-right { align-items: flex-start; }
    .hero-img { max-width: 100%; }
    #kernbotschaft { grid-template-columns: 1fr; }
    #ueber { grid-template-columns: 1fr; }
    .ueber-img { position: static; aspect-ratio: 3/2; }
    #anfrage { grid-template-columns: 1fr; }
    .kern-cards { grid-template-columns: 1fr; }
    .thema-header { grid-template-columns: 3rem 1fr; } .thema-body { padding-left: 3.5rem; } .thema-body-inner { grid-template-columns: 1fr; }
    .thema-meta { display: none; }
    .nav-links { display: none; }
    .ueber-facts { grid-template-columns: 1fr 1fr; }
  }

  @media (max-width: 600px) {
    .hero-stat { gap: 2rem; }
    .ref-items { gap: 1.5rem; }
    .ref-divider { display: none; }
    .themen-header { flex-direction: column; align-items: flex-start; gap: 1rem; }
  }

  .buch-card {
    background: var(--paper);
    display: flex;
    flex-direction: column;
    transition: background 0.2s;
  }
  .buch-card:hover { background: var(--paper-warm); }
  .buch-cover {
    aspect-ratio: 3/4;
    background: var(--accent-line);
    opacity: 0.12;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--ink-muted);
    border-bottom: 1px solid var(--accent-line);
    max-height: 240px;
    overflow: hidden;
  }
  .buch-cover img {
    width: 100%; height: 100%;
    object-fit: cover;
    opacity: 1;
    display: block;
  }
  .buch-card:has(img) .buch-cover { opacity: 1; background: var(--paper-warm); }
  .buch-cover:not(:has(img)) { display: flex; align-items: center; justify-content: center; }
  .buch-info { padding: 1.5rem; display: flex; flex-direction: column; gap: 0.4rem; flex: 1; }
  .buch-label { font-size: 0.65rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-muted); }
  .buch-titel { font-size: 1.05rem; font-weight: 500; color: var(--ink); line-height: 1.3; margin-top: 0.2rem; }
  .buch-sub { font-size: 0.85rem; color: var(--ink-soft); line-height: 1.6; font-weight: 300; margin-top: 0.3rem; }
  .buch-meta { font-size: 0.75rem; color: var(--ink-muted); margin-top: auto; padding-top: 1rem; }
  .buch-link {
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent-line);
    text-decoration: none;
    border-bottom: 1px solid var(--accent-line);
    padding-bottom: 1px;
    width: fit-content;
    margin-top: 0.5rem;
    transition: opacity 0.2s;
  }
  .buch-link:hover { opacity: 0.6; }

  .praesenz-card {
    background: var(--paper);
    padding: 2rem 1.75rem;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: background 0.2s;
    position: relative;
  }
  .praesenz-card:hover { background: var(--paper-warm); }
  .praesenz-logo-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 0.75rem;
  }
  .praesenz-favicon {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    object-fit: contain;
    background: var(--paper-warm);
    padding: 2px;
  }
  .praesenz-domain {
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    color: var(--ink-muted);
  }
  .praesenz-icon { color: var(--accent-line); margin-bottom: 0.5rem; }
  .praesenz-label { font-size: 1rem; font-weight: 500; color: var(--ink); letter-spacing: 0.02em; }
  .praesenz-sub { font-size: 0.8rem; color: var(--ink-muted); font-weight: 300; }
  .praesenz-arrow {
    position: absolute; top: 2rem; right: 1.75rem;
    font-size: 1rem; color: var(--ink-muted);
    transition: transform 0.2s, color 0.2s;
  }
  .praesenz-card:hover .praesenz-arrow { transform: translate(3px, -3px); color: var(--ink); }

/* ==================================================================
   RELAUNCH 2026 — neue Abschnitte und Korrekturen
   Steht bewusst am Dateiende und ueberschreibt aeltere Regeln.
   ================================================================== */

  /* --- Navigation ------------------------------------------------- */
  .nav-right { display: flex; align-items: center; gap: 1rem; }
  .lang-sep  { color: var(--accent-line); font-size: 0.7rem; }

  /* --- Hero ------------------------------------------------------- */
  .hero-label-2 { margin-top: -1.5rem; margin-bottom: 1.5rem; }

  /* --- 2 Auf der Buehne ------------------------------------------- */
  #buehne {
    border-bottom: 1px solid var(--accent-line);
    overflow: hidden;
  }

  .video-iframe {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    border: none; border-radius: 20px; z-index: 3;
  }

  .buehne-more { margin-top: 2.5rem; }

  .buehne-more a {
    font-size: 0.82rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-muted);
    text-decoration: none;
    border-bottom: 1px solid var(--accent-line);
    padding-bottom: 0.2rem;
    transition: color 0.2s;
  }

  .buehne-more a:hover { color: var(--ink); }

  /* --- 3 Warum jetzt / 4 Grundprinzip ----------------------------- */
  #jetzt, #prinzip {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: clamp(3rem, 6vw, 7rem);
    align-items: start;
    border-bottom: 1px solid var(--accent-line);
  }

  .jetzt-body {
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--ink-soft);
    font-weight: 300;
    margin-bottom: 1.75rem;
  }

  .jetzt-body:last-child { margin-bottom: 0; }

  .jetzt-pointe {
    font-size: 1.3rem;
    line-height: 1.55;
    color: var(--ink);
    font-weight: 400;
    border-left: 2px solid var(--accent);
    padding-left: 1.5rem;
    margin: 2.5rem 0;
  }

  /* --- 5 Vortragsthemen: Hauptrede -------------------------------- */
  .thema-title-wrap { display: flex; flex-direction: column; gap: 0.6rem; }

  .thema-badge {
    display: inline-block;
    align-self: flex-start;
    font-size: 0.62rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--white);
    background: var(--accent);
    padding: 0.28rem 0.7rem;
    border-radius: 2px;
  }

  .thema-haupt .thema-title { font-weight: 500; }

  /* --- 6 Evidenzblock --------------------------------------------- */
  #evidenz { border-bottom: 1px solid var(--accent-line); }

  .evidenz-h2 { margin-bottom: 2rem; }

  .evidenz-lead {
    font-size: 1.15rem;
    line-height: 1.65;
    color: var(--ink-soft);
    font-weight: 300;
    max-width: 46rem;
    border-left: 2px solid var(--accent-line);
    padding-left: 1.5rem;
    margin-bottom: 4.5rem;
  }

  .ev-stack {
    display: flex;
    flex-direction: column;
    border-top: 1px solid var(--accent-line);
  }

  .ev-stufe {
    display: grid;
    grid-template-columns: 12rem 1fr;
    gap: 2.5rem;
    padding: 2.75rem 0;
    border-bottom: 1px solid var(--accent-line);
  }

  .ev-stufe-label {
    font-size: 0.68rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-muted);
    padding-top: 0.45rem;
  }

  .ev-stufe-title {
    font-family: var(--serif);
    font-size: 1.5rem;
    font-weight: 500;
    line-height: 1.25;
    margin-bottom: 1rem;
    color: var(--ink);
  }

  .ev-stufe-body {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--ink-soft);
    font-weight: 300;
    max-width: 44rem;
  }

  .ev-stufe-beleg { background: var(--paper-warm); padding-left: 2rem; padding-right: 2rem; }

  .ev-claim {
    font-size: 1.2rem;
    line-height: 1.5;
    color: var(--ink);
    font-weight: 400;
    margin-bottom: 1.25rem;
    max-width: 40rem;
  }

  .ev-link {
    display: inline-block;
    margin-top: 1.5rem;
    font-size: 0.82rem;
    letter-spacing: 0.06em;
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid var(--accent);
    padding-bottom: 0.15rem;
    transition: opacity 0.2s;
  }

  .ev-link:hover { opacity: 0.6; }

  .ev-anwendungen { margin-top: 4.5rem; }

  .ev-anw-title {
    font-family: var(--serif);
    font-size: clamp(1.4rem, 2.2vw, 1.9rem);
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: 2.5rem;
    color: var(--ink);
  }

  .ev-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
    gap: 1px;
    background: var(--accent-line);
    border: 1px solid var(--accent-line);
    border-radius: 4px;
    overflow: hidden;
  }

  .ev-card {
    background: var(--paper);
    padding: 2rem 1.75rem;
    transition: background 0.2s;
  }

  .ev-card:hover { background: var(--paper-warm); }

  .ev-card-title {
    font-family: var(--serif);
    font-size: 1.12rem;
    font-weight: 500;
    margin-bottom: 0.85rem;
    color: var(--ink);
  }

  .ev-card-body {
    font-size: 0.92rem;
    line-height: 1.65;
    color: var(--ink-soft);
    font-weight: 300;
  }

  .ev-schluss {
    margin-top: 4rem;
    font-family: var(--serif);
    font-size: clamp(1.15rem, 2vw, 1.5rem);
    line-height: 1.5;
    color: var(--ink);
    font-weight: 300;
    max-width: 52rem;
    border-left: 2px solid var(--accent);
    padding-left: 1.75rem;
  }

  .ev-schluss em { font-style: normal; font-weight: 500; }

  /* --- 7 Ueber Markus --------------------------------------------- */
  .ueber-h2 { margin-bottom: 2rem; }

  /* --- 8 Referenzen ------------------------------------------------ */
  #referenzen {
    padding-top: clamp(4rem, 8vw, 6rem);
    padding-bottom: clamp(4rem, 8vw, 6rem);
    border-bottom: 1px solid var(--accent-line);
    background: var(--paper-warm);
  }

  #referenzen > .inner { padding: 0 clamp(1.5rem, 5vw, 4rem); }

  .ref-h2 { margin-bottom: 3rem; }

  #referenzen .ref-items { gap: 2.25rem; }

  .ref-lehre {
    display: flex;
    align-items: center;
    gap: 2.25rem;
    flex-wrap: wrap;
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--accent-line);
  }

  .ref-lehre .ref-label { margin-right: 0; }

  /* --- Buecher ------------------------------------------------------ */
  #buecher { border-bottom: 1px solid var(--accent-line); }

  .buecher-h2 { margin-bottom: 3rem; }

  .buecher-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1px;
    background: var(--accent-line);
    border: 1px solid var(--accent-line);
    border-radius: 4px;
    overflow: hidden;
  }

  /* --- 9 Anfrage ---------------------------------------------------- */
  #anfrage {
    display: block;
    text-align: center;
  }

  .anfrage-inner { max-width: 44rem; margin: 0 auto; }

  #anfrage .section-eyebrow { justify-content: center; }

  .anfrage-h2 { margin-bottom: 1.5rem; }

  .anfrage-lead {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--ink-soft);
    font-weight: 300;
    margin-bottom: 3.5rem;
  }

  .anfrage-kontakt {
    display: flex;
    justify-content: center;
    gap: clamp(2.5rem, 8vw, 6rem);
    flex-wrap: wrap;
  }

  .kontakt-block { text-align: center; }

  .kontakt-label {
    font-size: 0.68rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-muted);
    margin-bottom: 0.65rem;
  }

  .kontakt-value {
    font-family: var(--serif);
    font-size: clamp(1.05rem, 2vw, 1.35rem);
    color: var(--ink);
    text-decoration: none;
    border-bottom: 1px solid var(--accent-line);
    padding-bottom: 0.2rem;
    transition: border-color 0.2s;
  }

  .kontakt-value:hover { border-color: var(--ink); }

  /* --- Footer -------------------------------------------------------- */
  footer { display: block; }

  .footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
  }

  .footer-brand {
    font-family: var(--serif);
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    color: var(--ink);
  }

  .footer-social { display: flex; gap: 1.75rem; }

  .footer-social a {
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    color: var(--ink-soft);
    text-decoration: none;
    transition: color 0.2s;
  }

  .footer-social a:hover { color: var(--ink); }

  .footer-legal {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    font-size: 0.75rem;
    color: var(--ink-muted);
  }

  .footer-legal a { color: var(--ink-muted); text-decoration: none; transition: color 0.2s; }
  .footer-legal a:hover { color: var(--ink); }

  /* --- Mobil --------------------------------------------------------- */
  @media (max-width: 860px) {
    #jetzt, #prinzip { grid-template-columns: 1fr; }
    .ev-stufe { grid-template-columns: 1fr; gap: 0.85rem; padding: 2.25rem 0; }
    .ev-stufe-label { padding-top: 0; }
    .ev-stufe-beleg { padding-left: 1.25rem; padding-right: 1.25rem; }
    .footer-inner { flex-direction: column; align-items: flex-start; gap: 1.25rem; }
  }

  .buch-status {
    margin-top: 1.25rem;
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--ink-muted);
  }

  .ueber-img img { width: 100%; height: 100%; object-fit: cover; object-position: center top; display: block; }