/* =========================================================================
   BiblioCertus — Marketing-Site
   Setzt tokens.css + fonts.css voraus.
   Komponenten-CSS aus design_handoff/styleguide.html · Marketing-Layout
   nur in dem Umfang, den das Mockup vorgibt.
   ========================================================================= */

*, *::before, *::after { box-sizing: border-box; }
html, body, h1, h2, h3, h4, p, ul, ol, figure, dl, dd, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; height: auto; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}
a { color: var(--bc-atlas); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--bc-atlas); outline-offset: 2px; border-radius: 2px; }
h1, h2, h3, h4, p { overflow-wrap: break-word; }

.skip { position: absolute; top: -100px; left: 24px; background: var(--bc-ink); color: var(--bc-paper); padding: 12px 18px; font-weight: 500; text-decoration: none; z-index: 1000; border-radius: var(--bc-radius); }
.skip:focus { top: 24px; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ── Container ──────────────────────────────────────────────────────────── */
.container { width: 100%; max-width: var(--bc-container); margin-inline: auto; padding-inline: 24px; }
@media (min-width: 720px) { .container { padding-inline: 40px; } }
@media (min-width: 1100px) { .container { padding-inline: 56px; } }

/* ── Eyebrow ────────────────────────────────────────────────────────────── */
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-family: var(--bc-font-sans); font-size: 11px; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; color: var(--bc-accent); margin: 0; }
.eyebrow::before { content: ""; inline-size: 22px; block-size: 1px; background: var(--bc-accent); }
.eyebrow--mute { color: var(--bc-text-mute); }
.eyebrow--mute::before { background: var(--bc-text-mute); }
.eyebrow--soft { color: var(--bc-accent-soft); }
.eyebrow--soft::before { background: var(--bc-accent-soft); }

/* ── Site-Header ────────────────────────────────────────────────────────── */
.site-header { background: color-mix(in srgb, var(--bc-paper) 92%, transparent); border-block-end: 1px solid var(--bc-line-soft); position: sticky; top: 0; z-index: 50; backdrop-filter: blur(12px) saturate(140%); -webkit-backdrop-filter: blur(12px) saturate(140%); }
.site-header-inner { display: flex; align-items: center; gap: 32px; padding-block: 20px; }
.site-brand { display: inline-flex; align-items: center; text-decoration: none; }
.site-brand img { block-size: 26px; inline-size: auto; }
.site-brand--lg img { block-size: 52px; }
@media (max-width: 720px) { .site-brand--lg img { block-size: 40px; } }
.site-nav { display: none; margin-inline-start: 16px; }
.site-nav ul { display: flex; gap: 26px; }
.site-nav a { font-size: 13.5px; color: var(--bc-text-mute); text-decoration: none; padding-block: 4px; transition: color 180ms var(--bc-ease); }
.site-nav a:hover { color: var(--bc-ink); }
.site-cta { margin-inline-start: auto; display: none; gap: 10px; }
.burger { margin-inline-start: auto; inline-size: 44px; block-size: 44px; background: transparent; border: 0; color: var(--bc-text); cursor: pointer; display: inline-flex; align-items: center; justify-content: center; }
.burger svg { inline-size: 24px; block-size: 24px; }
.burger .icon-close { display: none; }
.burger[aria-expanded="true"] .icon-burger { display: none; }
.burger[aria-expanded="true"] .icon-close { display: inline; }
.mobile-nav { display: none; position: fixed; inset: 0; background: var(--bc-paper); padding: 24px; z-index: 60; flex-direction: column; overflow-y: auto; }
.mobile-nav[data-open="true"] { display: flex; }
.mobile-nav-head { display: flex; justify-content: space-between; align-items: center; margin-block-end: 32px; }
.mobile-nav ul { display: flex; flex-direction: column; gap: 4px; margin-block-end: 32px; }
.mobile-nav a { font-family: var(--bc-font-serif); font-size: 22px; color: var(--bc-text); text-decoration: none; padding-block: 10px; }
@media (min-width: 880px) {
  .site-nav { display: block; }
  .site-cta { display: inline-flex; }
  .burger { display: none; }
}

/* ── Komponenten aus styleguide.html (Buttons, Fields, Badges, Cards) ───── */
.bc-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 38px; padding: 0 16px; font-family: var(--bc-font-sans); font-size: 14px; font-weight: 500; letter-spacing: -0.005em; white-space: nowrap; border-radius: var(--bc-radius); border: 1px solid var(--bc-ink); background: var(--bc-ink); color: var(--bc-paper); cursor: pointer; text-decoration: none; transition: background 180ms var(--bc-ease), border-color 180ms var(--bc-ease), color 180ms var(--bc-ease), transform 120ms var(--bc-ease); }
.bc-btn:hover { background: #1a3d63; color: var(--bc-paper); }
.bc-btn:active { transform: translateY(1px); }
.bc-btn:focus-visible { outline: 2px solid var(--bc-atlas); outline-offset: 2px; }
.bc-btn--secondary { background: var(--bc-surface); color: var(--bc-text); border-color: var(--bc-line); }
.bc-btn--secondary:hover { background: var(--bc-paper-alt); color: var(--bc-text); }
.bc-btn--accent { background: var(--bc-accent); color: var(--bc-paper); border-color: var(--bc-accent); }
.bc-btn--accent:hover { filter: brightness(1.08); color: var(--bc-paper); }
.bc-btn--ghost { background: transparent; color: var(--bc-ink); border-color: transparent; }
.bc-btn--ghost:hover { background: var(--bc-paper-alt); color: var(--bc-ink); }
.bc-btn__icon { inline-size: 17px; block-size: 17px; flex: none; }
.bc-btn--sm { height: 30px; padding: 0 12px; font-size: 13px; }
.bc-btn--lg { height: 46px; padding: 0 22px; font-size: 15px; }
.bc-btn[disabled] { opacity: 0.5; cursor: not-allowed; }

.bc-field { display: flex; flex-direction: column; gap: 6px; }
.bc-field-label { font-family: var(--bc-font-sans); font-size: 12px; font-weight: 500; color: var(--bc-text-mute); letter-spacing: 0.01em; }
.bc-input { display: flex; align-items: center; gap: 8px; height: 40px; padding: 0 12px; background: var(--bc-surface); border: 1px solid var(--bc-line); border-radius: var(--bc-radius); box-shadow: inset 0 1px 0 var(--bc-line-soft); transition: border-color 180ms var(--bc-ease), box-shadow 180ms var(--bc-ease); }
.bc-input:focus-within { border-color: var(--bc-ink); box-shadow: inset 0 1px 0 var(--bc-line-soft), 0 0 0 3px rgba(20,48,79,.12); }
.bc-input input, .bc-input select, .bc-input textarea { flex: 1; min-width: 0; border: 0; outline: none; background: transparent; font-family: var(--bc-font-sans); font-size: 14px; color: var(--bc-text); }
.bc-input--block { height: auto; padding: 0; }
.bc-input--block textarea { padding: 10px 12px; min-height: 7rem; line-height: 1.5; resize: vertical; }
.bc-field-hint { font-size: 11.5px; color: var(--bc-text-faint); }

.bc-badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px 4px 9px; border-radius: var(--bc-radius-sm); font-family: var(--bc-font-sans); font-size: 11.5px; font-weight: 500; letter-spacing: 0.01em; line-height: 1.4; background: var(--bc-paper-alt); color: var(--bc-text-mute); white-space: normal; max-width: 18rem; }
.bc-badge::before { content: ''; flex-shrink: 0; width: 6px; height: 6px; border-radius: 50%; background: currentColor; margin-block-start: 2px; align-self: flex-start; }
.bc-badge--verified   { background: var(--bc-verified-bg);   color: var(--bc-verified); }
.bc-badge--caveat     { background: var(--bc-caveat-bg);     color: var(--bc-caveat); }
.bc-badge--unverified { background: var(--bc-unverified-bg); color: var(--bc-unverified); }
.bc-badge--pending    { background: var(--bc-pending-bg);    color: var(--bc-pending); }

.bc-card { background: var(--bc-surface); border: 1px solid var(--bc-line); border-radius: var(--bc-radius); box-shadow: var(--bc-shadow-2); overflow: hidden; }
.bc-card__accent { height: 2px; background: var(--bc-atlas); }
.bc-card__accent--accent { background: var(--bc-accent); }
.bc-card__head { padding: 18px 22px 12px; border-bottom: 1px solid var(--bc-line-soft); }
.bc-card__title { font-family: var(--bc-font-serif); font-size: 16px; font-weight: 500; color: var(--bc-text); margin: 0; line-height: 1.3; }
.bc-card__subtitle { font-size: 11.5px; color: var(--bc-text-faint); margin-top: 2px; font-family: var(--bc-font-mono); letter-spacing: 0.04em; }

.consent { display: grid; grid-template-columns: auto 1fr; gap: 10px; padding: 14px 16px; border: 1px solid var(--bc-line); border-radius: var(--bc-radius); background: var(--bc-surface); }
.consent input { inline-size: 18px; block-size: 18px; margin-block-start: 3px; accent-color: var(--bc-ink); }
.consent label { font-family: var(--bc-font-sans); font-size: 12.5px; line-height: 1.55; color: var(--bc-text-mute); }
.consent a { color: var(--bc-atlas); }

/* ── Section-Defaults ───────────────────────────────────────────────────── */
.section { padding-block: 96px; }
.section--paper-alt { background: var(--bc-paper-alt); }
.section--ink { background: var(--bc-ink); color: var(--bc-paper); }
.section--ink .bc-display, .section--ink h1, .section--ink h2 { color: var(--bc-paper); }
.section--ink .bc-display em { color: var(--bc-accent-soft); }
.section--ink .lead { color: #cfd6e3; }

.section-head { max-width: 720px; margin-block-end: 56px; }
.section-head .bc-display { margin-block-start: 18px; }

/* Display-Sizes */
.display-xl { font-size: clamp(48px, 7vw, 76px); line-height: 1.04; letter-spacing: -0.025em; color: var(--bc-text); text-wrap: balance; }
.display-l  { font-size: clamp(36px, 5vw, 52px); line-height: 1.08; letter-spacing: -0.022em; color: var(--bc-text); text-wrap: balance; }
.display-m  { font-size: clamp(28px, 4vw, 38px); line-height: 1.12; letter-spacing: -0.018em; color: var(--bc-text); text-wrap: balance; }

.lead { font-family: var(--bc-font-serif); font-style: italic; font-size: 19px; line-height: 1.5; color: var(--bc-text-mute); max-width: 56ch; margin-block-start: 22px; }

/* ── Hero ───────────────────────────────────────────────────────────────── */
.hero { padding-block: 80px 96px; }
.hero-grid { display: grid; gap: 56px; align-items: start; }
@media (min-width: 980px) { .hero-grid { grid-template-columns: 1.25fr 1fr; gap: 64px; } }
.hero-actions { display: flex; gap: 12px; margin-block-start: 32px; flex-wrap: wrap; }

/* Sample-Bericht-Card */
.sample { position: relative; }
.sample-fig { position: absolute; top: -16px; left: -4px; font-family: var(--bc-font-mono); font-size: 11px; color: var(--bc-text-faint); letter-spacing: 0.05em; }
.sample .bc-card { transform: rotate(.6deg); box-shadow: 0 20px 40px -24px rgba(20,48,79,.28); transition: transform 240ms var(--bc-ease); }
.sample:hover .bc-card { transform: rotate(0deg); }
.sample .bc-card__head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; padding: 18px 22px 12px; }
.ribbon { background: var(--bc-accent); color: var(--bc-paper); font-family: var(--bc-font-mono); font-size: 11px; letter-spacing: 0.06em; padding: 4px 10px; border-radius: 2px; white-space: nowrap; align-self: flex-start; flex-shrink: 0; }
.sample-row { display: flex; justify-content: space-between; align-items: flex-start; gap: 14px; padding: 14px 22px; border-block-start: 1px solid var(--bc-line-soft); }
.sample-row .ref-line { font-family: var(--bc-font-serif); font-size: 14px; color: var(--bc-text); line-height: 1.4; }
.sample-row .ref-line em { font-style: italic; }
.sample-row .ref-meta { font-size: 12px; color: var(--bc-text-mute); margin-block-start: 4px; }
.sample-foot { padding: 12px 22px; background: var(--bc-raised); display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--bc-text-mute); }
.sample-quote { font-family: var(--bc-font-serif); font-style: italic; font-size: 14px; color: var(--bc-text-mute); line-height: 1.55; max-width: 28rem; margin-block-start: 28px; padding-inline-start: 14px; border-inline-start: 2px solid var(--bc-accent); transform: rotate(-.3deg); }

/* ── Twocol (Was wir tun / Was wir nicht tun) ───────────────────────────── */
.twocol { display: grid; gap: 32px; margin-block-start: 8px; }
@media (min-width: 880px) { .twocol { grid-template-columns: 1fr 1fr; gap: 48px; } }
.twocol p { font-family: var(--bc-font-serif); font-size: 15px; line-height: 1.65; color: var(--bc-text); margin-block-start: 14px; }
.twocol p + p { margin-block-start: 1em; }
.twocol p strong { font-weight: 600; color: var(--bc-ink); }
.twocol em.accent { font-family: var(--bc-font-serif); font-style: italic; color: var(--bc-accent); }

/* ── Methodik: 4 grafische Schritt-Boxen mit Screenshot-Platzhaltern ──── */
.steps-cards { display: grid; gap: 18px; margin-block-start: 12px; }
@media (min-width: 720px) { .steps-cards { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1100px) { .steps-cards { grid-template-columns: repeat(4, 1fr); gap: 20px; } }
.step-card {
  background: var(--bc-surface);
  border: 1px solid var(--bc-line);
  border-radius: var(--bc-radius-md);
  padding: 0;
  display: flex; flex-direction: column;
  transition: box-shadow 240ms var(--bc-ease), transform 240ms var(--bc-ease), border-color 240ms var(--bc-ease);
  box-shadow: var(--bc-shadow-1);
  overflow: hidden;
}
.step-card:hover { transform: translateY(-2px); box-shadow: var(--bc-shadow-2); border-color: var(--bc-line); }
.step-shot {
  aspect-ratio: 16 / 10;
  background:
    radial-gradient(120% 100% at 50% 0%, var(--bc-raised) 0%, var(--bc-paper-alt) 65%, var(--bc-paper-alt) 100%);
  border: 0; border-block-end: 1px solid var(--bc-line-soft);
  display: flex; align-items: center; justify-content: center;
  position: relative;
  overflow: hidden;
  cursor: zoom-in;
  padding: 16px;
  inline-size: 100%;
}
.step-shot img {
  max-inline-size: 100%;
  max-block-size: 100%;
  inline-size: auto;
  block-size: auto;
  object-fit: contain;
  background: var(--bc-surface);
  border: 1px solid var(--bc-line-soft);
  border-radius: var(--bc-radius-sm);
  box-shadow: 0 8px 20px -12px rgba(20, 48, 79, 0.25);
  transition: transform 240ms var(--bc-ease), box-shadow 240ms var(--bc-ease);
}
.step-shot:hover img,
.step-shot:focus-visible img {
  transform: scale(1.025);
  box-shadow: 0 14px 30px -14px rgba(20, 48, 79, 0.35);
}
.step-shot:focus-visible { outline: 2px solid var(--bc-atlas); outline-offset: -2px; }
.step-shot-cue {
  position: absolute; inset-block-end: 10px; inset-inline-end: 10px;
  font-family: var(--bc-font-mono); font-size: 10.5px;
  letter-spacing: 0.08em; text-transform: uppercase;
  background: rgba(20, 48, 79, 0.85); color: var(--bc-paper);
  padding: 4px 8px; border-radius: 2px;
  opacity: 0; transition: opacity 240ms var(--bc-ease);
}
.step-shot:hover .step-shot-cue,
.step-shot:focus-visible .step-shot-cue { opacity: 1; }
.step-body { padding: 22px 24px 24px; display: flex; flex-direction: column; gap: 10px; flex-grow: 1; }
.step-num { font-family: var(--bc-font-serif); font-style: italic; font-size: 32px; color: var(--bc-accent); line-height: 1; letter-spacing: -0.02em; }
.step-card h3 { font-family: var(--bc-font-serif); font-size: 21px; font-weight: 500; color: var(--bc-text); margin: 0; letter-spacing: -0.012em; }
.step-card p { font-size: 14px; line-height: 1.6; color: var(--bc-text-mute); margin: 0; }
.step-disclaimer { max-inline-size: 760px; margin-block-start: 28px; font-family: var(--bc-font-sans); font-size: 12.5px; line-height: 1.6; color: var(--bc-text-faint); }

/* ── Features (Detail-Funktionen) ──────────────────────────────────────── */
.features { display: grid; gap: 20px; margin-block-start: 12px; }
@media (min-width: 760px) { .features { grid-template-columns: 1fr 1fr; gap: 24px; } }
.feature {
  background: var(--bc-surface);
  border: 1px solid var(--bc-line);
  border-radius: var(--bc-radius-md);
  padding: 28px 28px 26px;
  display: grid;
  gap: 12px;
}
.feature .icon { inline-size: 32px; block-size: 32px; color: var(--bc-atlas); stroke-width: 1.5; margin-block-end: 6px; }
.feature h3 { font-family: var(--bc-font-serif); font-size: 21px; font-weight: 500; color: var(--bc-text); margin: 0; letter-spacing: -0.012em; line-height: 1.25; }
.feature p { font-size: 14px; color: var(--bc-text-mute); line-height: 1.6; margin: 0; }
.feature em.accent { font-family: var(--bc-font-serif); font-style: italic; color: var(--bc-accent); }

/* ── Drei Statusurteile ─────────────────────────────────────────────────── */
.statuten { display: grid; gap: 16px; margin-block-start: 8px; }
@media (min-width: 760px) { .statuten { grid-template-columns: repeat(3, 1fr); gap: 20px; } }
.statut { padding: 26px 24px; background: var(--bc-surface); border: 1px solid var(--bc-line); border-radius: var(--bc-radius); display: grid; gap: 14px; align-content: start; }
.statut-dot { display: inline-block; inline-size: 12px; block-size: 12px; border-radius: 50%; }
.statut-dot--verified   { background: var(--bc-verified); }
.statut-dot--caveat     { background: var(--bc-caveat); }
.statut-dot--unverified { background: var(--bc-unverified); }
.statut h3 { font-family: var(--bc-font-serif); font-size: 22px; font-weight: 500; color: var(--bc-text); margin: 0; line-height: 1.25; letter-spacing: -0.012em; }
.statut p { font-family: var(--bc-font-serif); font-style: italic; font-size: 15px; color: var(--bc-text-mute); line-height: 1.55; margin: 0; }

/* ── Datenschutz (Privacy-Facts) ────────────────────────────────────────── */
.privacy { display: grid; gap: 14px; margin-block-start: 8px; }
@media (min-width: 640px) { .privacy { grid-template-columns: 1fr 1fr; } }
@media (min-width: 980px) { .privacy { grid-template-columns: repeat(3, 1fr); } }
.fact { padding: 22px 24px; background: var(--bc-surface); border: 1px solid var(--bc-line); border-radius: var(--bc-radius); display: grid; gap: 10px; }
.fact .icon { inline-size: 28px; block-size: 28px; color: var(--bc-atlas); stroke-width: 1.5; }
.fact h3 { font-family: var(--bc-font-serif); font-size: 17px; font-weight: 500; color: var(--bc-text); margin: 0; line-height: 1.3; }
.fact p { font-size: 13.5px; color: var(--bc-text-mute); line-height: 1.55; margin: 0; }
.fact--hosting { position: relative; overflow: hidden; padding-inline-start: 28px; }
.fact--hosting::before { content: ""; position: absolute; inset-inline-start: 0; inset-block-start: 0; inline-size: 4px; block-size: 100%; background: linear-gradient(to bottom, #000 0 33.33%, #DD0000 33.33% 66.66%, #FFCE00 66.66% 100%); }

/* ── „Geprüft und belegt" — 6 grafisch aufwendige Boxen ────────────────── */
.belegt { display: grid; gap: 20px; margin-block-start: 12px; }
@media (min-width: 720px) { .belegt { grid-template-columns: 1fr 1fr; gap: 24px; } }
@media (min-width: 1100px) { .belegt { grid-template-columns: repeat(3, 1fr); } }
.belegt-card {
  background: var(--bc-surface);
  border: 1px solid var(--bc-line);
  border-radius: var(--bc-radius-md);
  padding: 0;
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: box-shadow 240ms var(--bc-ease), transform 240ms var(--bc-ease);
  box-shadow: var(--bc-shadow-1);
}
.belegt-card:hover { transform: translateY(-2px); box-shadow: var(--bc-shadow-2); }
.belegt-badge {
  background: var(--bc-paper-alt);
  border-block-end: 1px solid var(--bc-line-soft);
  display: flex; align-items: center; justify-content: center;
  padding: 28px 24px;
  min-block-size: 180px;
}
.belegt-badge img { max-block-size: 130px; max-inline-size: 80%; inline-size: auto; object-fit: contain; }
.badge-wcag-link { display: inline-block; }
.badge-wcag-link img { inline-size: auto; block-size: auto; min-inline-size: 220px; max-inline-size: 80%; }
.belegt-badge svg { max-block-size: 130px; max-inline-size: 80%; inline-size: auto; }
.belegt-badge--ink { background: var(--bc-ink); }
.belegt-body { padding: 22px 24px 26px; display: flex; flex-direction: column; gap: 8px; flex-grow: 1; }
.belegt-eyebrow { font-family: var(--bc-font-mono); font-size: 11px; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--bc-accent); }
.belegt-card h3 { font-family: var(--bc-font-serif); font-size: 20px; font-weight: 500; color: var(--bc-text); margin: 0; letter-spacing: -0.012em; line-height: 1.25; }
.belegt-card p { font-size: 13.5px; color: var(--bc-text-mute); line-height: 1.55; margin: 0; }
.belegt-card a { font-family: var(--bc-font-mono); font-size: 12px; letter-spacing: 0.04em; margin-block-start: 6px; }

/* Stilisierte Inline-Badges */
.badge-iso, .badge-bsi, .badge-dfn {
  inline-size: 130px; block-size: 130px;
  border-radius: 50%;
  background: var(--bc-paper);
  border: 2px solid var(--bc-ink);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  color: var(--bc-ink);
  padding: 8px;
}
.badge-iso .lbl, .badge-bsi .lbl, .badge-dfn .lbl {
  font-family: var(--bc-font-serif); font-size: 16px; font-weight: 500;
  letter-spacing: 0.04em;
  margin-block-end: 4px;
}
.badge-iso .num, .badge-bsi .num, .badge-dfn .num {
  font-family: var(--bc-font-serif); font-size: 24px; font-weight: 600;
  letter-spacing: -0.012em; line-height: 1;
}
.badge-iso .year, .badge-bsi .year, .badge-dfn .year {
  font-family: var(--bc-font-mono); font-size: 11px;
  letter-spacing: 0.08em; color: var(--bc-text-mute);
  margin-block-start: 6px;
}
.badge-bsi { border-radius: var(--bc-radius); }
.badge-dfn { border-style: dashed; }

/* DSGVO-Badge: sauberes Inline-SVG, kein Layer-Overlap */
.badge-gdpr-svg { inline-size: 130px; block-size: 130px; display: block; }

/* ── These-Statement (nicht zentriert, Editorial-Aussage) ──────────────── */
.thesis-block {
  background: var(--bc-paper-alt);
  padding: 56px 0;
}
.thesis-block .container {
  display: grid; gap: 18px;
  max-width: 920px;
}
.thesis-block .eyebrow { margin-block-end: 0; }
.thesis-block h2 { font-family: var(--bc-font-serif); font-size: clamp(28px, 4vw, 40px); font-weight: 500; color: var(--bc-text); line-height: 1.2; letter-spacing: -0.018em; max-width: 30ch; }
.thesis-block h2 em { font-style: italic; color: var(--bc-accent); }
.thesis-block p { font-family: var(--bc-font-serif); font-style: italic; font-size: 18px; color: var(--bc-text-mute); line-height: 1.55; max-width: 60ch; }

/* ── Pilotphase ─────────────────────────────────────────────────────────── */
.form-card { max-width: 720px; margin-inline: 0; background: var(--bc-surface); border: 1px solid var(--bc-line); border-radius: var(--bc-radius); padding: clamp(24px, 3vw, 40px); box-shadow: var(--bc-shadow-2); }
.form { display: grid; gap: 16px; }
.row-2 { display: grid; gap: 14px; }
@media (min-width: 600px) { .row-2 { grid-template-columns: 1fr 1fr; gap: 16px; } }
.hp { position: absolute; left: -10000px; top: -10000px; inline-size: 1px; block-size: 1px; overflow: hidden; }
.submit { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin-block-start: 8px; }
.status { font-size: 13px; color: var(--bc-text-mute); }
.status.is-err { color: var(--bc-unverified); }
.success { text-align: center; padding: 32px 16px; }
.success h3 { font-family: var(--bc-font-serif); font-size: 28px; font-weight: 500; color: var(--bc-verified); margin-block-end: 12px; }
.success p { color: var(--bc-text-mute); max-width: 38ch; margin-inline: auto; }

/* ── Anbieter (Kontakt) ─────────────────────────────────────────────────── */
.contact { display: grid; gap: 48px; margin-block-start: 8px; }
@media (min-width: 880px) { .contact { grid-template-columns: 1.2fr 1fr; gap: 64px; align-items: start; } }
.contact-sheet dt { font-family: var(--bc-font-sans); font-size: 11px; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--bc-text-mute); margin-block-start: 16px; }
.contact-sheet dt:first-child { margin-block-start: 0; }
.contact-sheet dd { font-family: var(--bc-font-serif); font-size: 17px; color: var(--bc-text); line-height: 1.5; margin: 0; }

/* ── Footer ─────────────────────────────────────────────────────────────── */
.site-footer { background: var(--bc-ink); color: rgba(246,242,234,.85); padding-block: 64px 32px; margin-block-start: 0; }
.footer-top { display: grid; gap: 40px; margin-block-end: 40px; }
@media (min-width: 880px) { .footer-top { grid-template-columns: 2fr 1fr 1fr 1fr; } }
.footer-brand img { block-size: 30px; margin-block-end: 14px; }
.footer-tag { font-family: var(--bc-font-serif); font-style: italic; font-size: 15px; line-height: 1.5; color: rgba(246,242,234,.78); max-width: 36ch; }
.footer-compliance { font-family: var(--bc-font-mono); font-size: 11px; letter-spacing: 0.06em; color: rgba(246,242,234,.55); margin-block-start: 16px; }
.footer-col h4 { font-family: var(--bc-font-sans); font-size: 11px; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; color: rgba(246,242,234,.55); margin-block-end: 14px; }
.footer-col ul { display: grid; gap: 8px; }
.footer-col a { color: rgba(246,242,234,.85); text-decoration: none; font-size: 13.5px; }
.footer-col a:hover { color: var(--bc-paper); text-decoration: underline; }
.footer-meta { padding-block-start: 24px; border-block-start: 1px solid rgba(246,242,234,.12); font-family: var(--bc-font-mono); font-size: 11px; letter-spacing: 0.04em; line-height: 1.7; color: rgba(246,242,234,.55); }
.footer-meta a { color: inherit; }

/* ── Rechtliche Seiten (Impressum / Datenschutz / AGB) ──────────────────── */
/* Legal-Seiten teilen sich EXAKT denselben .container (1200px) wie die
   Startseite. Die Breite wird – wie auf index durch die Karten-Grids –
   durch ein editoriales Zwei-Spalten-Layout gefuellt: stickyes
   Inhaltsverzeichnis + Lesespalte. */
.legal-head { max-inline-size: var(--bc-container-text); margin-block-end: 56px; }
.legal-head .bc-display { margin-block-start: 18px; }

.legal-layout { display: grid; grid-template-columns: 1fr; gap: 40px; align-items: start; }
@media (min-width: 1000px) {
  .legal-layout { grid-template-columns: 232px minmax(0, 1fr); gap: 64px; }
}

/* Inhaltsverzeichnis */
.legal-toc { font-family: var(--bc-font-serif); }
@media (min-width: 1000px) {
  .legal-toc { position: sticky; top: 112px; max-block-size: calc(100vh - 140px); overflow-y: auto; }
}
.legal-toc__title { font-family: var(--bc-font-sans); font-size: 11px; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; color: var(--bc-text-mute); margin: 0 0 14px; }
.legal-toc ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; counter-reset: toc; }
.legal-toc li { margin: 0; }
.legal-toc a {
  display: block; padding: 6px 0;
  font-size: 15px; line-height: 1.45; color: var(--bc-text-mute);
  text-decoration: none;
  transition: color .15s ease;
}
.legal-toc a:hover { color: var(--bc-ink); }
.legal-toc a:focus-visible { outline: 2px solid var(--bc-ink); outline-offset: 2px; border-radius: 2px; }
.legal-toc a[aria-current="true"] { color: var(--bc-ink); font-weight: 600; }

/* Mobile: TOC als kompakter Block oben */
@media (max-width: 999px) {
  .legal-toc { border: 1px solid var(--bc-line); border-radius: 6px; padding: 16px 18px; background: var(--bc-paper-alt); max-block-size: 56vh; overflow-y: auto; }
  .legal-toc__title { margin: 0 0 10px; }
  .legal-toc ol { gap: 0; }
  .legal-toc a { padding: 8px 0; }
}

.legal section + section { margin-block-start: 44px; }
.legal-body > section:first-child { margin-block-start: 0; }
.legal-h2 {
  font-family: var(--bc-font-serif);
  font-size: 24px; font-weight: 500;
  letter-spacing: -0.012em;
  color: var(--bc-text);
  margin: 0 0 14px;
  scroll-margin-block-start: 108px;
}
.legal-mute { font-size: 12px; color: var(--bc-text-mute); letter-spacing: 0.04em; margin: 0 0 16px; }
.legal-mono { font-family: var(--bc-font-mono); font-size: 17px; letter-spacing: 0.04em; color: var(--bc-text); }
.legal-address { font-family: var(--bc-font-serif); font-style: normal; font-size: 17px; line-height: 1.7; color: var(--bc-text); }
.legal-address strong { font-weight: 600; }
.legal-contact { font-family: var(--bc-font-serif); font-size: 17px; line-height: 1.7; color: var(--bc-text); margin: 16px 0; padding: 14px 18px; background: var(--bc-paper-alt); border-inline-start: 3px solid var(--bc-ink); border-radius: 0 4px 4px 0; }
.legal-contact strong { font-weight: 600; }
.legal-dl { display: grid; grid-template-columns: minmax(8rem, 12rem) 1fr; gap: 12px 28px; margin: 0; }
.legal-dl dt { font-family: var(--bc-font-sans); font-size: 12px; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--bc-text-mute); align-self: baseline; padding-block-start: 4px; }
.legal-dl dd { font-family: var(--bc-font-serif); font-size: 17px; line-height: 1.6; color: var(--bc-text); margin: 0; }
.legal-h3 { font-family: var(--bc-font-serif); font-size: 19px; font-weight: 500; color: var(--bc-text); margin: 28px 0 10px; letter-spacing: -0.01em; }
.legal p { font-family: var(--bc-font-serif); font-size: 17px; line-height: 1.7; color: var(--bc-text); margin: 0 0 14px; }
.legal p strong { font-weight: 600; }
.legal p code, .legal-list li code { font-family: var(--bc-font-mono); font-size: 0.85em; background: var(--bc-paper-alt); padding: 1px 6px; border-radius: 3px; word-break: break-word; }
.legal-list { display: grid; gap: 8px; padding-inline-start: 24px; list-style: disc; margin: 0; }
.legal-list li { font-family: var(--bc-font-serif); font-size: 17px; line-height: 1.65; color: var(--bc-text); }
.legal-list li strong { font-weight: 600; color: var(--bc-ink); }
.legal a { color: var(--bc-ink); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; word-break: break-word; }
.legal a:hover, .legal a:focus-visible { text-decoration-thickness: 2px; }
.legal a:focus-visible { outline: 2px solid var(--bc-ink); outline-offset: 3px; border-radius: 2px; }
.legal-stand { font-family: var(--bc-font-mono); font-size: 12px; color: var(--bc-text-mute); letter-spacing: 0.06em; margin-block-start: 56px; padding-block-start: 24px; border-block-start: 1px solid var(--bc-line-soft); }

.legal-table-wrap { overflow-x: auto; margin: 16px 0 4px; -webkit-overflow-scrolling: touch; }
.legal-table { width: 100%; border-collapse: collapse; font-family: var(--bc-font-serif); font-size: 16px; color: var(--bc-text); }
.legal-table thead th { text-align: start; font-family: var(--bc-font-sans); font-size: 11px; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--bc-text-mute); padding: 10px 18px 10px 0; border-block-end: 1px solid var(--bc-line); }
.legal-table tbody td { padding: 12px 18px 12px 0; border-block-end: 1px solid var(--bc-line-soft); vertical-align: top; line-height: 1.6; }
.legal-table tbody tr:last-child td { border-block-end: 0; }
.legal-table tbody td:first-child { font-family: var(--bc-font-mono); font-size: 14px; color: var(--bc-ink); word-break: break-word; }

@media (max-width: 720px) {
  .legal-dl { grid-template-columns: 1fr; gap: 4px; }
  .legal-dl dt { padding-block-start: 0; }
  .legal-dl dd { margin-block-end: 14px; }
  .legal-dl dd:last-child { margin-block-end: 0; }
}
@media (max-width: 640px) {
  .legal-h2 { font-size: 22px; }
  .legal-h3 { font-size: 18px; }
  .legal p, .legal-list li, .legal-dl dd, .legal-address, .legal-contact { font-size: 16px; }
  .legal section + section { margin-block-start: 36px; }
  .legal-head { margin-block-end: 36px; }
  .legal-table-wrap { overflow-x: visible; }
  .legal-table, .legal-table thead, .legal-table tbody, .legal-table tr, .legal-table td, .legal-table th { display: block; width: 100%; }
  .legal-table thead { position: absolute; clip: rect(0 0 0 0); clip-path: inset(50%); width: 1px; height: 1px; overflow: hidden; white-space: nowrap; }
  .legal-table tbody tr { background: var(--bc-paper-alt); border-radius: 4px; padding: 14px 16px; margin-block-end: 12px; }
  .legal-table tbody tr:last-child { margin-block-end: 0; }
  .legal-table tbody td { padding: 6px 0; border: 0; display: grid; grid-template-columns: minmax(7rem, 9rem) 1fr; gap: 4px 14px; align-items: baseline; }
  .legal-table tbody td::before { content: attr(data-label); font-family: var(--bc-font-sans); font-size: 11px; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--bc-text-mute); }
  .legal-table tbody td:first-child { font-size: 13px; }
}

/* ── Lightbox-Modal (WCAG 2.2 AA) ───────────────────────────────────────── */
.lightbox {
  inline-size: min(96vw, 1100px);
  max-block-size: 92vh;
  padding: 0;
  border: 0;
  border-radius: var(--bc-radius-md);
  background: var(--bc-surface);
  color: var(--bc-text);
  box-shadow: 0 30px 60px -20px rgba(20, 48, 79, 0.45);
}
.lightbox::backdrop {
  background: rgba(28, 33, 37, 0.78);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.lightbox-inner {
  display: grid;
  grid-template-rows: auto 1fr auto;
  max-block-size: 92vh;
}
.lightbox-head {
  position: relative;
  padding: 22px 64px 18px 28px;
  border-block-end: 1px solid var(--bc-line-soft);
}
.lightbox-counter { color: var(--bc-accent); margin-block-end: 12px; }
.lightbox-counter::before { background: var(--bc-accent); }
.lightbox-title { font-family: var(--bc-font-serif); font-size: 22px; font-weight: 500; line-height: 1.2; margin: 0 0 6px; letter-spacing: -0.012em; }
.lightbox-desc { font-family: var(--bc-font-serif); font-style: italic; font-size: 15px; line-height: 1.5; color: var(--bc-text-mute); margin: 0; max-inline-size: 70ch; }
.lightbox-close {
  position: absolute; inset-block-start: 18px; inset-inline-end: 18px;
  inline-size: 40px; block-size: 40px;
  background: transparent; border: 1px solid var(--bc-line);
  border-radius: var(--bc-radius);
  cursor: pointer; color: var(--bc-text);
  display: inline-flex; align-items: center; justify-content: center;
  transition: background 180ms var(--bc-ease), border-color 180ms var(--bc-ease);
}
.lightbox-close:hover { background: var(--bc-paper-alt); border-color: var(--bc-text); }
.lightbox-close:focus-visible { outline: 2px solid var(--bc-atlas); outline-offset: 2px; }
.lightbox-close svg { inline-size: 20px; block-size: 20px; }

.lightbox-figure {
  margin: 0;
  padding: 24px 28px;
  background: var(--bc-paper-alt);
  display: flex; align-items: center; justify-content: center;
  overflow: auto;
  min-block-size: 0;
}
.lightbox-figure img {
  max-block-size: calc(92vh - 220px);
  max-inline-size: 100%;
  inline-size: auto;
  block-size: auto;
  border-radius: var(--bc-radius);
  box-shadow: 0 10px 30px -20px rgba(0,0,0,0.4);
  background: var(--bc-surface);
}

.lightbox-nav {
  display: flex; justify-content: space-between;
  padding: 14px 22px;
  border-block-start: 1px solid var(--bc-line-soft);
  background: var(--bc-surface);
}
.lightbox-prev, .lightbox-next {
  display: inline-flex; align-items: center; gap: 8px;
  height: 38px; padding: 0 14px;
  font-family: var(--bc-font-sans); font-size: 13.5px; font-weight: 500;
  background: var(--bc-surface); color: var(--bc-text);
  border: 1px solid var(--bc-line); border-radius: var(--bc-radius);
  cursor: pointer;
  transition: background 180ms var(--bc-ease), border-color 180ms var(--bc-ease);
}
.lightbox-prev svg, .lightbox-next svg { inline-size: 16px; block-size: 16px; }
.lightbox-prev:hover:not(:disabled), .lightbox-next:hover:not(:disabled) { background: var(--bc-paper-alt); }
.lightbox-prev:focus-visible, .lightbox-next:focus-visible { outline: 2px solid var(--bc-atlas); outline-offset: 2px; }
.lightbox-prev:disabled, .lightbox-next:disabled { opacity: 0.35; cursor: not-allowed; }

@media (max-width: 720px) {
  .lightbox-head { padding: 20px 56px 16px 20px; }
  .lightbox-title { font-size: 18px; }
  .lightbox-desc { font-size: 14px; }
  .lightbox-figure { padding: 14px 16px; }
  .lightbox-figure img { max-block-size: calc(92vh - 240px); }
}

/* ── Fehlerseite (404) ──────────────────────────────────────────────────── */
.error-section { text-align: center; padding-block: 112px; }
.error-wrap { max-inline-size: 720px; margin-inline: auto; }
.error-code {
  font-family: var(--bc-font-serif); font-weight: 600;
  font-size: clamp(120px, 26vw, 240px); line-height: 0.82;
  letter-spacing: -0.05em; color: var(--bc-ink); opacity: 0.1;
  margin: 0 0 -6px; user-select: none;
}
.error-section .bc-display { margin: 0; }
.error-section .lead { margin-inline: auto; margin-block-start: 20px; }
.error-badge { margin-block-start: 22px; }
.error-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-block-start: 32px; }
.error-links { display: flex; gap: 8px 24px; justify-content: center; flex-wrap: wrap; margin-block-start: 44px; padding-block-start: 24px; border-block-start: 1px solid var(--bc-line-soft); }
.error-links a { font-family: var(--bc-font-sans); font-size: 14px; color: var(--bc-text-mute); text-decoration: none; }
.error-links a:hover, .error-links a:focus-visible { color: var(--bc-ink); }
@media (max-width: 640px) { .error-section { padding-block: 72px; } }

@media print {
  .site-header, .site-footer, .burger, .mobile-nav, .form-card { display: none; }
  body { background: white; color: black; }
}