@font-face {
  font-family: 'Pinyon Script';
  src: url('/fonts/PinyonScript-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Geist';
  src: url('/fonts/Geist-ext-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-02AF, U+0300-0301, U+0303-0304, U+0308-0309, U+0323,
    U+0329, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F,
    U+A720-A7FF;
}

@font-face {
  font-family: 'Geist';
  src: url('/fonts/Geist-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Geist';
  src: url('/fonts/Geist-ext-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-02AF, U+0300-0301, U+0303-0304, U+0308-0309, U+0323,
    U+0329, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F,
    U+A720-A7FF;
}

@font-face {
  font-family: 'Geist';
  src: url('/fonts/Geist-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

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

:root {
  color-scheme: light only;
  --c-text:     #121517;
  --c-body:     #61686E;
  --c-sub:      #8A9197;
  --c-meta:     #AAB1B6;
  --c-pdf:      #9BA2A8;
  --c-inactive: #A9B0B5;
  --c-divider:  #DFE3E6;
}

html {
  background: #FFFFFF;
  color: var(--c-text);
  font-family: 'Geist', Inter, system-ui, sans-serif;
  font-size: 15px;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

@media (prefers-reduced-motion: no-preference) {
  body {
    animation: fadein 400ms ease both;
  }
  @keyframes fadein {
    from { opacity: 0; }
    to   { opacity: 1; }
  }
}

.column {
  max-width: 620px;
  margin: 0 auto;
  padding: 96px 24px 140px;
}

/* ── Header ─────────────────────────────────────────────── */

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 72px;
}

.symbol {
  display: block;
  flex-shrink: 0;
}

.lang-switcher {
  display: flex;
  align-items: center;
  font-size: 13px;
  letter-spacing: -0.005em;
  line-height: 1;
}

.lang-switcher .slash {
  color: var(--c-divider);
  margin: 0 6px;
}

.lang-switcher a {
  color: var(--c-inactive);
  text-decoration: none;
  font-weight: 400;
}

.lang-switcher a.active {
  color: var(--c-text);
}

@media (prefers-reduced-motion: no-preference) {
  .lang-switcher a:hover {
    color: var(--c-text);
  }
}

/* ── Name block ─────────────────────────────────────────── */

.name {
  font-size: 38px;
  font-weight: 500;
  letter-spacing: -0.032em;
  line-height: 1.05;
  color: var(--c-text);
}

.initial {
  position: relative;
  display: inline-block;
}

.initial .figur {
  position: absolute;
  width: 0.62em;
  height: 0.78em;
  left: 0.16em;
  bottom: 0.05em;
  overflow: visible;
  pointer-events: none;
}

@media (prefers-reduced-motion: no-preference) {
  .bein {
    transform-origin: 20px 24px;
    animation: bein-swing 3.4s ease-in-out infinite alternate;
  }
  @keyframes bein-swing {
    from { transform: rotate(-7deg); }
    to   { transform: rotate(11deg); }
  }
}

@media (max-width: 639px) {
  .initial .figur { display: none; }
}

@media (max-width: 639px) {
  .name {
    font-size: 30px;
  }
}

.subtitle {
  font-size: 15px;
  font-weight: 400;
  letter-spacing: -0.008em;
  line-height: 1.55;
  color: var(--c-sub);
  margin-top: 14px;
}

/* ── Section heading ────────────────────────────────────── */

.rubrik {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: -0.005em;
  color: var(--c-meta);
  margin-top: 80px;
}

/* ── Work title ─────────────────────────────────────────── */

.werk-block {
  margin-top: 20px;
}

.werk-titel-1 {
  font-size: 21px;
  font-weight: 500;
  letter-spacing: -0.032em;
  line-height: 1.22;
  color: var(--c-text);
  display: block;
}

.werk-titel-2 {
  font-size: 21px;
  font-weight: 500;
  letter-spacing: -0.032em;
  line-height: 1.22;
  display: block;
  background: linear-gradient(100deg, #78828A 0%, #C3CACF 50%, #78828A 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

@media (max-width: 639px) {
  .werk-titel-1,
  .werk-titel-2 {
    font-size: 19px;
  }
}

/* ── Meta ───────────────────────────────────────────────── */

.meta {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: -0.005em;
  color: var(--c-meta);
  margin-top: 16px;
}

/* ── Body text ──────────────────────────────────────────── */

.fliesstext {
  max-width: 540px;
  font-size: 15px;
  font-weight: 400;
  letter-spacing: -0.007em;
  line-height: 1.72;
  color: var(--c-body);
  margin-top: 20px;
}

/* ── Link row ───────────────────────────────────────────── */

.werk-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0 24px;
  margin-top: 24px;
}

.werk-links a {
  font-size: 14px;
  font-weight: 400;
  letter-spacing: -0.008em;
  color: var(--c-text);
  text-decoration: none;
}

.werk-links a.pdf {
  color: var(--c-pdf);
}

@media (prefers-reduced-motion: no-preference) {
  .werk-links a:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
  }
}

/* ── Contact ────────────────────────────────────────────── */

.kontakt {
  margin-top: 18px;
}

.kontakt a {
  font-size: 15px;
  font-weight: 400;
  letter-spacing: -0.008em;
  color: var(--c-text);
  text-decoration: none;
}

@media (prefers-reduced-motion: no-preference) {
  .kontakt a:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
  }
}

/* ── Back link ──────────────────────────────────────────── */

.back-link {
  margin-top: 80px;
}

.back-link a {
  font-size: 14px;
  font-weight: 400;
  letter-spacing: -0.008em;
  color: var(--c-pdf);
  text-decoration: none;
}

@media (prefers-reduced-motion: no-preference) {
  .back-link a:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
  }
}

/* ── Chapter column ─────────────────────────────────────── */

.kapitel-column {
  max-width: 680px;
  margin: 0 auto;
  padding: 96px 24px 140px;
}

/* ── Chapter page ───────────────────────────────────────── */

.kapitel-nr {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: -0.005em;
  color: var(--c-meta);
  margin-bottom: 12px;
}

.kapitel-titel {
  font-size: 26px;
  font-weight: 500;
  letter-spacing: -0.032em;
  line-height: 1.18;
  color: var(--c-text);
  margin-bottom: 48px;
}

@media (max-width: 639px) {
  .kapitel-titel { font-size: 21px; }
}

.kapitel-body {
  font-size: 17px;
  font-weight: 400;
  letter-spacing: -0.007em;
  line-height: 1.72;
  color: var(--c-body);
}

.kapitel-body p {
  margin-bottom: 1.4em;
}

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

.kapitel-body h2 {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.012em;
  color: var(--c-text);
  margin-top: 2.5em;
  margin-bottom: 0.75em;
}

.kapitel-body h3 {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.008em;
  color: var(--c-text);
  margin-top: 2em;
  margin-bottom: 0.5em;
}

/* Footnote anchors in text */
.kapitel-body sup a {
  color: var(--c-meta);
  text-decoration: none;
  font-size: 0.72em;
}

@media (prefers-reduced-motion: no-preference) {
  .kapitel-body sup a:hover {
    text-decoration: underline;
    text-underline-offset: 2px;
  }
}

/* Footnote list */
.fn-list {
  margin-top: 4em;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: -0.005em;
  line-height: 1.65;
  color: var(--c-meta);
}

.fn-list ol {
  padding-left: 1.4em;
}

.fn-list li {
  margin-bottom: 0.6em;
}

.fn-back {
  color: var(--c-meta);
  text-decoration: none;
  margin-left: 0.3em;
}

@media (prefers-reduced-motion: no-preference) {
  .fn-back:hover {
    text-decoration: underline;
    text-underline-offset: 2px;
  }
}

/* ── Next chapter navigation ────────────────────────────── */

.kapitel-nav {
  margin-top: 80px;
}

.kapitel-weiter {
  font-size: 14px;
  font-weight: 400;
  letter-spacing: -0.008em;
  color: var(--c-text);
  text-decoration: none;
}

@media (prefers-reduced-motion: no-preference) {
  .kapitel-weiter:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
  }
}

/* ── Chapter directory ──────────────────────────────────── */

.verzeichnis {
  margin-top: 48px;
}

.verzeichnis-eintrag {
  display: block;
  text-decoration: none;
  margin-bottom: 40px;
}

.verzeichnis-label {
  display: block;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: -0.005em;
  color: var(--c-meta);
  margin-bottom: 4px;
}

.verzeichnis-name {
  display: block;
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.25;
  color: var(--c-text);
  margin-bottom: 8px;
}

.verzeichnis-befund {
  font-size: 14px;
  font-weight: 400;
  letter-spacing: -0.007em;
  line-height: 1.65;
  color: var(--c-body);
  margin: 0;
}

@media (prefers-reduced-motion: no-preference) {
  .verzeichnis-eintrag:hover .verzeichnis-name {
    text-decoration: underline;
    text-underline-offset: 3px;
  }
}

/* ── Overview column (wider than default) ───────────── */

.overview-column {
  max-width: 960px;
  margin: 0 auto;
  padding: 48px 32px 140px;
}

@media (max-width: 639px) {
  .overview-column { padding: 48px 20px 120px; }
}

/* ── Tab bar ─────────────────────────────────────────── */

.tab-bar {
  display: flex;
  border-bottom: 1px solid var(--c-divider);
  margin-top: 40px;
}

.tab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  letter-spacing: -0.005em;
  color: var(--c-meta);
  padding: 10px 16px 10px 0;
  margin-right: 8px;
}

.tab-btn.tab-active {
  color: var(--c-text);
  border-bottom-color: var(--c-text);
}

@media (prefers-reduced-motion: no-preference) {
  .tab-btn:hover { color: var(--c-text); }
}

.tab-panel { display: none; padding-top: 32px; }
.tab-panel.tab-active { display: block; }

/* ── Chapter grid (2 cols on desktop) ───────────────── */

.verzeichnis-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 56px;
}

@media (max-width: 640px) {
  .verzeichnis-grid { grid-template-columns: 1fr; }
}

/* ── PDF download cards ─────────────────────────────── */

.pdf-dl-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, max-content));
  gap: 14px;
}

.pdf-dl-card {
  display: block;
  text-decoration: none;
  border: 1px solid var(--c-divider);
  border-radius: 8px;
  padding: 20px 24px;
  transition: border-color 0.15s;
}

@media (prefers-reduced-motion: no-preference) {
  .pdf-dl-card:hover { border-color: var(--c-sub); }
}

.pdf-dl-lang {
  display: block;
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-meta);
  margin-bottom: 7px;
}

.pdf-dl-name {
  display: block;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--c-text);
}

.pdf-dl-meta {
  display: block;
  font-size: 12px;
  color: var(--c-meta);
  margin-top: 4px;
  letter-spacing: -0.003em;
}

/* ── Reading progress bar ────────────────────────────── */

.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 200;
}

.reading-progress-fill {
  height: 100%;
  background: var(--c-text);
  width: 0%;
  transition: width 0.08s linear;
}

/* ── Kapitel sidebar layout ──────────────────────────── */

.kapitel-layout {
  display: grid;
  grid-template-columns: 210px 1fr;
  max-width: 1100px;
  margin: 0 auto;
  min-height: 100vh;
}

.kapitel-sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 48px 16px 48px 28px;
  border-right: 1px solid var(--c-divider);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.sidebar-back {
  font-size: 12px;
  letter-spacing: -0.003em;
  color: var(--c-meta);
  text-decoration: none;
  flex-shrink: 0;
}

@media (prefers-reduced-motion: no-preference) {
  .sidebar-back:hover { color: var(--c-text); }
}

.sidebar-toc {
  margin-top: 28px;
  overflow-y: auto;
}

.sidebar-toc a {
  display: block;
  font-size: 11.5px;
  letter-spacing: -0.003em;
  line-height: 1.5;
  color: var(--c-meta);
  text-decoration: none;
  padding: 5px 8px 5px 10px;
  border-left: 1.5px solid transparent;
  margin-left: -10px;
  transition: color 0.12s, border-color 0.12s;
}

.sidebar-toc a.toc-active {
  color: var(--c-text);
  border-left-color: var(--c-text);
}

@media (prefers-reduced-motion: no-preference) {
  .sidebar-toc a:hover { color: var(--c-text); }
}

.kapitel-main {
  padding: 48px 80px 140px 64px;
  min-width: 0;
}

.kapitel-mobile-back {
  font-size: 12px;
  letter-spacing: -0.003em;
  color: var(--c-meta);
  text-decoration: none;
  display: none;
}

@media (prefers-reduced-motion: no-preference) {
  .kapitel-mobile-back:hover { color: var(--c-text); }
}

@media (max-width: 860px) {
  .kapitel-layout { display: block; }
  .kapitel-sidebar { display: none; }
  .kapitel-main { padding: 48px 24px 140px; }
  .kapitel-mobile-back { display: block; }
  .kapitel-main .header { justify-content: space-between; }
}

/* header without left element: right-align */
.header { justify-content: flex-end; }

/* ── Sidebar home + context + ⌘K hint ──────────────────── */

.sidebar-home {
  font-size: 11px;
  letter-spacing: 0.005em;
  color: var(--c-meta);
  text-decoration: none;
  flex-shrink: 0;
  margin-bottom: 6px;
}

@media (prefers-reduced-motion: no-preference) {
  .sidebar-home:hover { color: var(--c-text); }
}

.sidebar-ctx {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--c-divider);
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex-shrink: 0;
}

.sidebar-ctx-nr {
  font-size: 10px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--c-meta);
}

.sidebar-ctx-ttl {
  font-size: 11.5px;
  letter-spacing: -0.006em;
  line-height: 1.42;
  color: var(--c-text);
  font-weight: 500;
}

.sidebar-cmd-hint {
  margin-top: auto;
  padding-top: 24px;
  display: none;
}

.cmd-key {
  font-size: 10.5px;
  letter-spacing: 0.02em;
  color: var(--c-meta);
  border: 1px solid var(--c-divider);
  border-radius: 4px;
  padding: 2px 7px;
}

/* ── Command palette ────────────────────────────────────── */

.cmd-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 500;
  align-items: flex-start;
  justify-content: center;
  padding-top: 96px;
}

.cmd-overlay.cmd-open {
  display: flex;
}

.cmd-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(18,21,23,0.30);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.cmd-box {
  position: relative;
  z-index: 1;
  background: #ffffff;
  border: 1px solid var(--c-divider);
  border-radius: 10px;
  width: min(580px, 92vw);
  box-shadow: 0 20px 60px rgba(18,21,23,0.11), 0 2px 10px rgba(18,21,23,0.05);
  overflow: hidden;
}

.cmd-input {
  width: 100%;
  border: none;
  border-bottom: 1px solid var(--c-divider);
  outline: none;
  font-family: inherit;
  font-size: 14px;
  letter-spacing: -0.005em;
  color: var(--c-text);
  padding: 16px 20px;
  background: transparent;
}

.cmd-input::placeholder { color: var(--c-meta); }

.cmd-list {
  max-height: 360px;
  overflow-y: auto;
  padding: 6px 0;
}

.cmd-item {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 10px 20px;
  text-decoration: none;
  cursor: pointer;
  outline: none;
}

.cmd-item:hover,
.cmd-item:focus { background: #f5f6f7; }

.cmd-item-nr {
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--c-meta);
  flex-shrink: 0;
  min-width: 60px;
}

.cmd-item-ttl {
  font-size: 13.5px;
  letter-spacing: -0.007em;
  color: var(--c-text);
  line-height: 1.45;
}

/* ── Breadcrumb ─────────────────────────────────────────── */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  letter-spacing: -0.003em;
  color: var(--c-meta);
  margin-bottom: 22px;
}

.breadcrumb a {
  color: var(--c-meta);
  text-decoration: none;
}

@media (prefers-reduced-motion: no-preference) {
  .breadcrumb a:hover { color: var(--c-text); }
}

.breadcrumb-sep { color: var(--c-divider); }

/* ── Chapter body max-width ─────────────────────────────── */

.kapitel-main .kapitel-body { max-width: 680px; }

/* ── Chapter figures ─────────────────────────────────────── */

.kapitel-figure {
  margin: 2.5em 0;
}

.kapitel-figure img {
  width: 100%;
  height: auto;
  display: block;
}

.kapitel-figure figcaption {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: -0.005em;
  line-height: 1.6;
  color: var(--c-meta);
  margin-top: 0.75em;
}