/* ==========================================================================
   GELENK EXPERTE — Design System "EXPERT DESK / RESEARCH BOARD"
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-desk: #f9fafb;
  --bg-surface: #ffffff;
  --bg-warm: #f4f3ee;
  --bg-subtle: #f0f3f6;
  --bg-dark-desk: #0a192f;
  
  --ink-primary: #0a192f;        /* tiefes Dunkelblau / Ink Blue */
  --ink-secondary: #1e3a8a;      /* Technisches Blau */
  --ink-accent: #2563eb;         /* Fokus Blau */
  --ink-soft: #3b82f6;
  
  --accent-orange: #d97706;      /* Gedämpftes Orange / Bernstein */
  --accent-brass: #b45309;       /* Warmes Messing */
  --accent-ice: #e0f2fe;         /* Helles Eisblau */
  --accent-green: #15803d;       /* Gedecktes Grün */
  
  --text-main: #1f2937;          /* Dunkles Graphit */
  --text-muted: #4b5563;         /* Neutrales Grau */
  --text-light: #6b7280;         /* Helles Technisches Grau */
  --line-grid: #e5e7eb;          /* Dünne technische Linien */
  --line-active: #94a3b8;
  
  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  
  /* Layout */
  --max-width: 1240px;
  --max-content: 840px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-desk: 0 1px 3px rgba(10, 25, 47, 0.05), 0 8px 24px rgba(10, 25, 47, 0.04);
  --shadow-hover: 0 4px 12px rgba(10, 25, 47, 0.08), 0 12px 32px rgba(10, 25, 47, 0.06);
}

/* Reset & Base Setup */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-desk);
  color: var(--text-main);
  line-height: 1.65;
  font-weight: 400;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Accessible focus ring */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent-orange);
  outline-offset: 2px;
}

/* Technical Blueprint Grid Pattern on subtle surfaces */
.expert-desk-grid {
  background-image: 
    linear-gradient(to right, rgba(10, 25, 47, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(10, 25, 47, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header & Navigation */
.site-header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--line-grid);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: box-shadow 0.2s ease, padding 0.2s ease;
}

.header-top {
  background: var(--bg-dark-desk);
  color: #94a3b8;
  font-size: 0.78rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-family: var(--font-mono);
}

.header-top .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-top a {
  color: #cbd5e1;
  text-decoration: none;
}
.header-top a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.header-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: inherit;
}

.brand-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink-primary);
  line-height: 1.1;
  text-transform: uppercase;
}

.brand-claim {
  font-size: 0.72rem;
  color: var(--text-light);
  letter-spacing: 0.02em;
  font-weight: 500;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-main);
  text-decoration: none;
  padding: 0.4rem 0.2rem;
  position: relative;
  transition: color 0.15s ease;
  white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
  color: var(--ink-secondary);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--accent-orange);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.search-trigger-btn {
  background: var(--bg-subtle);
  border: 1px solid var(--line-grid);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.85rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.15s ease;
}

.search-trigger-btn:hover {
  background: #ffffff;
  border-color: var(--ink-secondary);
  color: var(--ink-primary);
}

.menu-toggle-btn {
  display: none;
  background: none;
  border: 1px solid var(--line-grid);
  border-radius: var(--radius-sm);
  padding: 0.45rem;
  cursor: pointer;
  color: var(--ink-primary);
}

/* Technical Labels & Badges */
.tech-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-secondary);
  background: var(--accent-ice);
  border: 1px solid rgba(37, 99, 235, 0.2);
  padding: 0.2rem 0.55rem;
  border-radius: 2px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 600;
}

.tech-label.orange {
  color: var(--accent-brass);
  background: #fef3c7;
  border-color: rgba(217, 119, 6, 0.25);
}

.tech-label.neutral {
  color: var(--text-muted);
  background: var(--bg-subtle);
  border-color: var(--line-grid);
}

/* Hero Section */
.hero-desk {
  background: linear-gradient(180deg, #ffffff 0%, var(--bg-warm) 100%);
  border-bottom: 1px solid var(--line-grid);
  padding: 3.5rem 0 3rem;
  position: relative;
  overflow: hidden;
}

.hero-desk::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 40%;
  background-image: radial-gradient(circle at 70% 30%, rgba(30, 58, 138, 0.04) 0%, transparent 60%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

.hero-headline {
  font-size: clamp(2rem, 3.8vw, 3rem);
  font-weight: 800;
  color: var(--ink-primary);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.hero-subline {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 2rem;
  max-width: 600px;
}

.hero-search-box {
  background: #ffffff;
  border: 2px solid var(--ink-primary);
  border-radius: var(--radius-md);
  padding: 0.35rem 0.5rem 0.35rem 1rem;
  display: flex;
  align-items: center;
  box-shadow: 0 4px 16px rgba(10, 25, 47, 0.08);
  margin-bottom: 1rem;
}

.hero-search-box input {
  border: none;
  flex: 1;
  font-size: 1rem;
  color: var(--text-main);
  outline: none;
  font-family: inherit;
  padding: 0.5rem 0;
}

.hero-search-box button {
  background: var(--ink-primary);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.65rem 1.25rem;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: background 0.15s ease;
}

.hero-search-box button:hover {
  background: var(--ink-secondary);
}

.search-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  color: var(--text-light);
}

.tag-btn {
  background: var(--bg-surface);
  border: 1px solid var(--line-grid);
  border-radius: var(--radius-sm);
  padding: 0.15rem 0.55rem;
  font-size: 0.8rem;
  color: var(--text-main);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
}

.tag-btn:hover {
  border-color: var(--ink-secondary);
  color: var(--ink-secondary);
}

/* Desk Research Board Component */
.research-board-card {
  background: #ffffff;
  border: 1px solid var(--line-grid);
  border-top: 3px solid var(--ink-primary);
  box-shadow: var(--shadow-desk);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  position: relative;
}

.research-board-card .board-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--line-grid);
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
}

.research-board-card .board-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-light);
  letter-spacing: 0.05em;
}

.research-board-card .board-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink-primary);
  margin-bottom: 0.5rem;
}

.research-board-card .board-items {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.research-board-card .board-items li {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-main);
}

.research-board-card .board-items li::before {
  content: "→";
  color: var(--accent-orange);
  font-weight: bold;
}

/* Expertenblick 5 Horizon Sections */
.expertenblick-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--line-grid);
  border: 1px solid var(--line-grid);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: 2.5rem 0;
  box-shadow: var(--shadow-desk);
}

.blick-tile {
  background: #ffffff;
  padding: 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  transition: all 0.2s ease;
  text-decoration: none;
  color: inherit;
  position: relative;
}

.blick-tile:hover {
  background: #f8fafc;
  transform: translateY(-2px);
  z-index: 2;
  box-shadow: 0 4px 12px rgba(10, 25, 47, 0.06);
}

.blick-tile .num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-orange);
  margin-bottom: 0.4rem;
}

.blick-tile .title {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--ink-primary);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 0.25rem;
}

.blick-tile .desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.35;
}

/* Sections */
.desk-section {
  padding: 4rem 0;
  border-bottom: 1px solid var(--line-grid);
  position: relative;
}

.section-head {
  margin-bottom: 2.5rem;
}

.section-head.centered {
  text-align: center;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.section-pretitle {
  display: inline-block;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: clamp(1.6rem, 2.8vw, 2.25rem);
  font-weight: 800;
  color: var(--ink-primary);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
  line-height: 1.6;
}

/* Interactive SVG Joint Navigator */
.joint-nav-container {
  background: #ffffff;
  border: 1px solid var(--line-grid);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 2.5rem;
  align-items: center;
  box-shadow: var(--shadow-desk);
}

.joint-svg-wrap {
  position: relative;
  text-align: center;
  padding: 1rem;
  background: var(--bg-desk);
  border: 1px dashed var(--line-active);
  border-radius: var(--radius-md);
}

.joint-svg-wrap svg {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

.joint-interactive-node {
  cursor: pointer;
  transition: transform 0.2s ease;
}

.joint-interactive-node:hover circle.pulse-node,
.joint-interactive-node.active circle.pulse-node {
  fill: var(--accent-orange);
  stroke: #ffffff;
  stroke-width: 2.5px;
  filter: drop-shadow(0 0 6px rgba(217, 119, 6, 0.6));
}

.joint-interactive-node text {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 11px;
  fill: var(--ink-primary);
  pointer-events: none;
}

.joint-details-pane {
  display: flex;
  flex-direction: column;
}

.joint-details-pane .pane-header {
  border-bottom: 2px solid var(--ink-primary);
  padding-bottom: 0.75rem;
  margin-bottom: 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.joint-details-pane .joint-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--ink-primary);
}

.joint-details-pane .joint-latin {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-light);
  font-style: italic;
}

.joint-details-pane .joint-desc {
  font-size: 0.98rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.joint-fast-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  background: var(--bg-subtle);
  border: 1px solid var(--line-grid);
  border-radius: var(--radius-sm);
  padding: 1rem;
  margin-bottom: 1.5rem;
}

.fact-item .label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-light);
  display: block;
}

.fact-item .val {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-primary);
}

.btn-desk-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--ink-primary);
  color: #ffffff;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background 0.15s ease;
  align-self: flex-start;
}

.btn-desk-action:hover {
  background: var(--ink-secondary);
}

/* Mobile Joint Selector List */
.joint-mobile-list {
  display: none;
  grid-template-columns: 1fr;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.joint-select-chip {
  padding: 0.65rem 1rem;
  border: 1px solid var(--line-grid);
  border-radius: var(--radius-sm);
  background: #ffffff;
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.92rem;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.joint-select-chip.active {
  border-color: var(--ink-primary);
  background: var(--accent-ice);
  color: var(--ink-primary);
}

/* Interactive Anatomy Layers Tool */
.anatomy-workspace {
  background: #ffffff;
  border: 1px solid var(--line-grid);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-desk);
}

.anatomy-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--line-grid);
  padding-bottom: 1rem;
}

.anatomy-btn {
  background: var(--bg-desk);
  border: 1px solid var(--line-grid);
  padding: 0.5rem 1.15rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
}

.anatomy-btn:hover {
  border-color: var(--ink-secondary);
  color: var(--ink-primary);
}

.anatomy-btn.active {
  background: var(--ink-primary);
  color: #ffffff;
  border-color: var(--ink-primary);
}

.anatomy-display-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.anatomy-svg-canvas {
  background: #fbfcfd;
  border: 1px solid var(--line-grid);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
}

.anatomy-explanation h3 {
  font-size: 1.4rem;
  color: var(--ink-primary);
  margin-bottom: 0.75rem;
  font-weight: 700;
}

.anatomy-explanation p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 1rem;
}

.anatomy-note-box {
  background: var(--bg-warm);
  border-left: 3px solid var(--accent-brass);
  padding: 0.85rem 1.1rem;
  font-size: 0.88rem;
  color: var(--text-main);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* Motion Step Sequence ("Was passiert bei Bewegung?") */
.motion-stepper-wrap {
  background: #ffffff;
  border: 1px solid var(--line-grid);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-desk);
}

.motion-tabs {
  display: flex;
  gap: 0.5rem;
  border-bottom: 1px solid var(--line-grid);
  padding-bottom: 1rem;
  margin-bottom: 2rem;
  overflow-x: auto;
}

.motion-tab-btn {
  background: none;
  border: 1px solid transparent;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
}

.motion-tab-btn.active {
  background: var(--accent-ice);
  color: var(--ink-secondary);
  border-color: rgba(37, 99, 235, 0.2);
}

.stepper-timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.25rem;
  position: relative;
}

.stepper-timeline::before {
  content: "";
  position: absolute;
  top: 24px;
  left: 20px;
  right: 20px;
  height: 2px;
  background: var(--line-grid);
  z-index: 1;
}

.step-card {
  position: relative;
  z-index: 2;
  background: #ffffff;
  border: 1px solid var(--line-grid);
  border-radius: var(--radius-md);
  padding: 1.25rem 1rem;
  box-shadow: 0 2px 6px rgba(0,0,0,0.02);
}

.step-badge {
  width: 32px;
  height: 32px;
  background: var(--ink-primary);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
  border: 3px solid #ffffff;
  box-shadow: 0 0 0 1px var(--line-grid);
}

.step-card h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink-primary);
  margin-bottom: 0.4rem;
}

.step-card p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* Symptom Orientierungsbereich (Beschwerde-Navigator) */
.symptom-desk-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  background: #ffffff;
  border: 1px solid var(--line-grid);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-desk);
}

.symptom-select-col {
  border-right: 1px solid var(--line-grid);
  padding-right: 2rem;
}

.symptom-options-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: 1rem;
}

.symptom-check-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--line-grid);
  border-radius: var(--radius-sm);
  background: var(--bg-desk);
  cursor: pointer;
  transition: all 0.15s ease;
  font-size: 0.92rem;
  font-weight: 500;
}

.symptom-check-item:hover {
  background: #ffffff;
  border-color: var(--ink-secondary);
}

.symptom-check-item.active {
  background: var(--accent-ice);
  border-color: var(--ink-secondary);
  color: var(--ink-primary);
  font-weight: 600;
}

.symptom-result-col {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.medical-disclaimer-box {
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-left: 4px solid var(--accent-orange);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: #92400e;
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

/* Beobachtungsprotokoll Interactive Tool */
.protocol-builder-wrap {
  background: #ffffff;
  border: 1px solid var(--line-grid);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-desk);
}

.protocol-step-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.protocol-field-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.protocol-field-group label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink-primary);
}

.protocol-field-group select,
.protocol-field-group input {
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--line-grid);
  border-radius: var(--radius-sm);
  background: var(--bg-desk);
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--text-main);
}

.protocol-field-group select:focus,
.protocol-field-group input:focus {
  border-color: var(--ink-secondary);
  background: #ffffff;
}

.protocol-output-sheet {
  background: var(--bg-warm);
  border: 1px dashed var(--line-active);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--ink-primary);
  line-height: 1.7;
}

/* 60 Sekunden & Frage-Antwort Cards */
.quick-insight-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.sixty-sec-card {
  background: #ffffff;
  border: 1px solid var(--line-grid);
  border-left: 4px solid var(--ink-secondary);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  box-shadow: var(--shadow-desk);
  display: flex;
  flex-direction: column;
}

.sixty-sec-card .timer-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-orange);
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.sixty-sec-card h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink-primary);
  margin-bottom: 0.75rem;
}

.sixty-sec-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
  flex: 1;
}

/* Mythos / Fakt Interactive Component */
.myth-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.myth-card {
  background: #ffffff;
  border: 1px solid var(--line-grid);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-desk);
}

.myth-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: #dc2626;
  margin-bottom: 0.5rem;
}

.myth-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink-primary);
  margin-bottom: 1rem;
  font-style: italic;
}

.fact-verdict {
  background: #f0fdf4;
  border-left: 3px solid var(--accent-green);
  padding: 0.75rem 1rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 0.75rem;
}

.fact-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--accent-green);
  display: block;
  margin-bottom: 0.2rem;
}

.fact-verdict p {
  font-size: 0.88rem;
  color: var(--text-main);
  line-height: 1.5;
}

/* Übungslabor Cards */
.exercise-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.exercise-filter-btn {
  background: #ffffff;
  border: 1px solid var(--line-grid);
  padding: 0.45rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
}

.exercise-filter-btn.active, .exercise-filter-btn:hover {
  background: var(--ink-primary);
  color: #ffffff;
  border-color: var(--ink-primary);
}

.exercise-desk-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.exercise-card {
  background: #ffffff;
  border: 1px solid var(--line-grid);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-desk);
  display: flex;
  flex-direction: column;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  text-decoration: none;
  color: inherit;
}

.exercise-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: var(--line-active);
}

.exercise-card-category {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--ink-secondary);
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.exercise-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink-primary);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.exercise-card-meta {
  display: flex;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--line-grid);
  padding-bottom: 0.75rem;
}

.exercise-card-target {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 1.25rem;
  flex: 1;
}

.exercise-card-link {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink-secondary);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

/* FAQ Accordion */
.faq-desk-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--line-grid);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.03);
}

.faq-question-btn {
  width: 100%;
  text-align: left;
  background: #ffffff;
  border: none;
  padding: 1.2rem 1.5rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: background 0.15s ease;
}

.faq-question-btn:hover {
  background: #fbfcfd;
}

.faq-question-btn .toggle-icon {
  font-size: 1.2rem;
  color: var(--accent-orange);
  transition: transform 0.2s ease;
  font-weight: 300;
}

.faq-item.open .faq-question-btn .toggle-icon {
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 1.5rem 1.25rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  border-top: 1px solid var(--line-grid);
  padding-top: 1rem;
}

.faq-item.open .faq-answer {
  display: block;
}

/* Article / Editorial Layout with Margin Notes */
.article-desk-layout {
  display: grid;
  grid-template-columns: 240px 1fr 220px;
  gap: 2.5rem;
  padding: 3rem 0;
  align-items: start;
}

.article-desk-layout.no-sidebar {
  grid-template-columns: 1fr;
  max-width: var(--max-content);
  margin: 0 auto;
}

.article-toc {
  position: sticky;
  top: 90px;
  background: #ffffff;
  border: 1px solid var(--line-grid);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  font-size: 0.85rem;
}

.article-toc h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 0.75rem;
  border-bottom: 1px solid var(--line-grid);
  padding-bottom: 0.5rem;
}

.article-toc ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.article-toc a {
  color: var(--text-muted);
  text-decoration: none;
  line-height: 1.35;
  transition: color 0.15s ease;
}

.article-toc a:hover {
  color: var(--ink-secondary);
}

.article-main-content {
  background: #ffffff;
  border: 1px solid var(--line-grid);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  box-shadow: var(--shadow-desk);
}

.article-header {
  border-bottom: 1px solid var(--line-grid);
  padding-bottom: 1.5rem;
  margin-bottom: 2rem;
}

.article-header h1 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--ink-primary);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0.75rem 0 1rem;
}

.article-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-light);
}

.article-main-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink-primary);
  margin: 2rem 0 0.85rem;
  border-bottom: 1px solid var(--line-grid);
  padding-bottom: 0.4rem;
}

.article-main-content h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ink-secondary);
  margin: 1.5rem 0 0.65rem;
}

.article-main-content p {
  font-size: 1rem;
  color: var(--text-main);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.article-main-content ul, .article-main-content ol {
  margin: 1rem 0 1.5rem 1.5rem;
  color: var(--text-main);
  line-height: 1.65;
}

.article-main-content li {
  margin-bottom: 0.4rem;
}

.lead-text {
  font-size: 1.15rem !important;
  line-height: 1.7 !important;
  color: var(--ink-primary) !important;
  font-weight: 500;
}

/* Margin Notes Component */
.article-margin-col {
  position: sticky;
  top: 90px;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.margin-note-card {
  background: var(--bg-warm);
  border: 1px solid var(--line-grid);
  border-left: 3px solid var(--accent-orange);
  padding: 1rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.82rem;
  color: var(--text-main);
  line-height: 1.45;
}

.margin-note-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--accent-brass);
  text-transform: uppercase;
  margin-bottom: 0.3rem;
  display: block;
}

/* Inline Margin Note for Mobile/Narrow View */
.inline-margin-note {
  display: none;
  background: var(--bg-warm);
  border-left: 3px solid var(--accent-orange);
  padding: 0.85rem 1.1rem;
  font-size: 0.88rem;
  margin: 1.5rem 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* Footer */
.site-footer {
  background: var(--bg-dark-desk);
  color: #94a3b8;
  padding: 4rem 0 2rem;
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-brand h3 {
  color: #ffffff;
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 0.6rem;
  text-transform: uppercase;
}

.footer-brand p {
  font-size: 0.85rem;
  line-height: 1.6;
  max-width: 320px;
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #cbd5e1;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-col a {
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.15s ease;
}

.footer-col a:hover {
  color: #ffffff;
}

.footer-disclaimer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.5rem 0;
  margin-bottom: 1.5rem;
  font-size: 0.82rem;
  line-height: 1.6;
  color: #64748b;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: #64748b;
}

/* Modal Search Overlay */
.search-modal-backdrop {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 25, 47, 0.6);
  backdrop-filter: blur(4px);
  z-index: 2000;
  align-items: flex-start;
  justify-content: center;
  padding-top: 10vh;
}

.search-modal-backdrop.open {
  display: flex;
}

.search-modal-box {
  background: #ffffff;
  width: 90%;
  max-width: 640px;
  border-radius: var(--radius-md);
  box-shadow: 0 16px 40px rgba(0,0,0,0.25);
  overflow: hidden;
  border: 1px solid var(--line-grid);
}

.search-modal-header {
  display: flex;
  align-items: center;
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--line-grid);
}

.search-modal-header input {
  flex: 1;
  border: none;
  font-size: 1.1rem;
  font-family: inherit;
  outline: none;
  color: var(--ink-primary);
}

.modal-close-btn {
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--text-light);
  cursor: pointer;
  padding: 0.2rem 0.5rem;
}

.search-modal-results {
  max-height: 380px;
  overflow-y: auto;
  padding: 0.75rem 0;
}

.search-result-item {
  display: block;
  padding: 0.75rem 1.25rem;
  text-decoration: none;
  border-bottom: 1px solid var(--bg-desk);
  transition: background 0.15s ease;
}

.search-result-item:hover {
  background: var(--bg-subtle);
}

.search-result-category {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent-orange);
  text-transform: uppercase;
}

.search-result-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink-primary);
}

.search-result-snippet {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* Responsive Media Queries */
@media (max-width: 1080px) {
  .article-desk-layout {
    grid-template-columns: 200px 1fr;
  }
  .article-margin-col {
    display: none;
  }
  .inline-margin-note {
    display: block;
  }
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .expertenblick-strip {
    grid-template-columns: 1fr 1fr;
  }
  .joint-nav-container {
    grid-template-columns: 1fr;
  }
  .anatomy-display-grid {
    grid-template-columns: 1fr;
  }
  .stepper-timeline {
    grid-template-columns: 1fr;
  }
  .stepper-timeline::before {
    display: none;
  }
  .symptom-desk-grid {
    grid-template-columns: 1fr;
  }
  .symptom-select-col {
    border-right: none;
    border-bottom: 1px solid var(--line-grid);
    padding-right: 0;
    padding-bottom: 2rem;
  }
  .protocol-step-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .article-desk-layout {
    grid-template-columns: 1fr;
  }
  .article-toc {
    position: static;
    margin-bottom: 1.5rem;
  }
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #ffffff;
    flex-direction: column;
    padding: 1.25rem;
    border-bottom: 1px solid var(--line-grid);
    box-shadow: 0 8px 16px rgba(0,0,0,0.06);
    gap: 0.75rem;
    align-items: stretch;
  }
  .main-nav.open {
    display: flex;
  }
  .menu-toggle-btn {
    display: block;
  }
  .expertenblick-strip {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }
  .joint-mobile-list {
    display: grid;
  }
  .article-main-content {
    padding: 1.5rem;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ==========================================================================
   Editorial Real Photography Components ("Echte Menschen im Alltag")
   ========================================================================== */

.editorial-card-media {
  width: 100%;
  height: 180px;
  overflow: hidden;
  position: relative;
  background: #eaeff5;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  margin: -1.5rem -1.5rem 1rem -1.5rem;
}

.editorial-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease;
}

.exercise-card:hover .editorial-card-media img {
  transform: scale(1.04);
}

.article-header-figure {
  width: 100%;
  margin: 1.5rem 0 2rem 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #eaeff5;
  border: 1px solid var(--line-grid);
}

.article-header-figure img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  display: block;
}

.article-header-figure figcaption {
  padding: 0.65rem 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  background: var(--bg-subtle);
  border-top: 1px solid var(--line-grid);
}

.joint-hero-figure {
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--line-grid);
  box-shadow: var(--shadow-desk);
  margin-top: 1.5rem;
}

.joint-hero-figure img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

.joint-hero-figure figcaption {
  font-size: 0.78rem;
  padding: 0.5rem 0.85rem;
  color: var(--text-light);
  background: var(--bg-subtle);
}