/* ==========================================================================
   GELENKSCHMERZEN-BEHANDELN.INFO
   Pain Map & Movement Editorial Design System
   ========================================================================== */

:root {
  /* Material Design 3 (M3) Color System */
  /* Primary & Accent Tones */
  --md-sys-color-primary: #B3261E;               /* Deep Terracotta / Crimson (Warm, serious medical accent) */
  --md-sys-color-on-primary: #FFFFFF;
  --md-sys-color-primary-container: #F9DEDC;     /* Light Coral-Rose container */
  --md-sys-color-on-primary-container: #410E0B;
  
  --md-sys-color-secondary: #705753;             /* Warm Taupe-Brown secondary */
  --md-sys-color-on-secondary: #FFFFFF;
  --md-sys-color-secondary-container: #F5DDD8;
  --md-sys-color-on-secondary-container: #281613;

  --md-sys-color-tertiary: #2A6F97;              /* Electric Clinical Blue for navigation & dynamic badges */
  --md-sys-color-on-tertiary: #FFFFFF;
  --md-sys-color-tertiary-container: #D1E4F2;
  --md-sys-color-on-tertiary-container: #001E2E;

  /* Surfaces & Backgrounds */
  --md-sys-color-background: #FAF8F5;            /* Warm Off-White / Sand */
  --md-sys-color-on-background: #1D1B1A;         /* High-contrast Anthracite / On-Surface */
  --md-sys-color-surface: #FFFFFF;               /* Elevated Card Surface */
  --md-sys-color-surface-dim: #F2EFEA;
  --md-sys-color-surface-bright: #FFFFFF;
  --md-sys-color-surface-container-lowest: #FFFFFF;
  --md-sys-color-surface-container-low: #F6F3EE;
  --md-sys-color-surface-container: #F1ECE5;     /* Standard M3 tonal surface */
  --md-sys-color-surface-container-high: #EBE5DC;
  --md-sys-color-surface-container-highest: #E5DFD4;

  /* Text & Outlines */
  --md-sys-color-on-surface: #1D1B1A;
  --md-sys-color-on-surface-variant: #524441;    /* Medium emphasis text */
  --md-sys-color-outline: #857370;              /* Standard boundary outline */
  --md-sys-color-outline-variant: #D7CCC8;      /* Subtle divider outline */
  
  /* Backward Compatibility Editorial Mapping */
  --color-bg: var(--md-sys-color-background);
  --color-surface: var(--md-sys-color-surface);
  --color-surface-subtle: var(--md-sys-color-surface-container-low);
  --color-border: var(--md-sys-color-outline-variant);
  --color-border-dark: var(--md-sys-color-outline);
  --color-text-main: var(--md-sys-color-on-surface);
  --color-text-muted: var(--md-sys-color-on-surface-variant);
  --color-text-faint: #796F6D;
  --color-accent-coral: var(--md-sys-color-primary);
  --color-accent-hover: #8C1D18;
  --color-bordeaux: #601410;
  --color-bordeaux-light: var(--md-sys-color-primary-container);
  --color-blue-accent: var(--md-sys-color-tertiary);
  --color-blue-light: var(--md-sys-color-tertiary-container);
  --color-sand: var(--md-sys-color-surface-container);
  --color-sand-warm: var(--md-sys-color-surface-container-high);

  /* Material Design 3 Typography (Roboto / Roboto Flex) */
  --font-serif: 'Roboto Flex', 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-sans: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Spacing & Layout */
  --max-w-content: 1240px;
  --max-w-editorial: 840px;
  --max-w-wide: 1380px;
  
  /* Material 3 Corner Radii (Shape Tokens) */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 16px;                            /* Medium Container: 16px */
  --radius-lg: 24px;                            /* Large Container: 24px */
  --radius-xl: 32px;                            /* Extra Large Card / Sheet */
  --radius-full: 9999px;                        /* Pills & Chips: Fully rounded */

  /* Material 3 Elevation (5 Levels with Ambient & Key Shadows) */
  --md-elevation-level0: none;
  --md-elevation-level1: 0px 1px 3px 1px rgba(0, 0, 0, 0.08), 0px 1px 2px 0px rgba(0, 0, 0, 0.12);
  --md-elevation-level2: 0px 2px 6px 2px rgba(0, 0, 0, 0.08), 0px 1px 2px 0px rgba(0, 0, 0, 0.12);
  --md-elevation-level3: 0px 4px 8px 3px rgba(0, 0, 0, 0.08), 0px 1px 3px 0px rgba(0, 0, 0, 0.12);
  --md-elevation-level4: 0px 6px 10px 4px rgba(0, 0, 0, 0.08), 0px 2px 3px 0px rgba(0, 0, 0, 0.12);
  --md-elevation-level5: 0px 8px 12px 6px rgba(0, 0, 0, 0.08), 0px 4px 4px 0px rgba(0, 0, 0, 0.12);

  --shadow-subtle: var(--md-elevation-level1);
  --shadow-card: var(--md-elevation-level1);
  --shadow-float: var(--md-elevation-level3);

  /* Material Motion System (Easing & Duration) */
  --md-motion-easing-emphasized: cubic-bezier(0.2, 0.0, 0.0, 1.0);
  --md-motion-easing-standard: cubic-bezier(0.2, 0.0, 0.0, 1.0);
  --md-motion-duration-short: 150ms;
  --md-motion-duration-medium: 300ms;
  --md-motion-duration-long: 500ms;

  --trans-fast: var(--md-motion-duration-short) var(--md-motion-easing-standard);
  --trans-base: var(--md-motion-duration-medium) var(--md-motion-easing-emphasized);
  --trans-slow: var(--md-motion-duration-long) var(--md-motion-easing-emphasized);
}

/* Reset & Base Rules */
*, *::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(--color-bg);
  color: var(--color-text-main);
  line-height: 1.65;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
  overflow-x: hidden;
  position: relative;
}

/* Subtle Editorial Background Grid */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background-image: 
    linear-gradient(to right, rgba(28, 26, 23, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(28, 26, 23, 0.02) 1px, transparent 1px);
  background-size: 64px 64px;
  z-index: 0;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--trans-fast);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Container */
.container,
.container-editorial,
.container-wide {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
  position: relative;
  z-index: 1;
}

.container {
  max-width: var(--max-w-content);
}

.container-editorial {
  max-width: var(--max-w-editorial);
}

.container-wide {
  max-width: var(--max-w-wide);
}

/* Typography Hierarchy */
/* Material 3 Typography Scale (Display, Headline, Title) */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--md-sys-color-on-surface);
  line-height: 1.2;
  letter-spacing: -0.015em;
}

h1 {
  font-size: 3.25rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2.25rem;
}

h3 {
  font-size: 1.65rem;
}

h4 {
  font-size: 1.25rem;
}

.editorial-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-bordeaux);
  font-weight: 600;
  margin-bottom: 14px;
}

.editorial-eyebrow::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 2px;
  background-color: var(--color-accent-coral);
}

.editorial-title {
  font-size: clamp(2.4rem, 4.5vw, 4rem);
  font-weight: 600;
  line-height: 1.08;
  margin-bottom: 20px;
}

.editorial-title em {
  font-style: italic;
  font-weight: 400;
  color: var(--color-bordeaux);
}

.editorial-lead {
  font-size: clamp(1.1rem, 1.6vw, 1.28rem);
  line-height: 1.6;
  color: var(--color-text-muted);
  font-weight: 400;
  max-width: 720px;
}

/* Editorial Ruled Lines */
.rule-thin {
  height: 1px;
  background-color: var(--color-border);
  border: none;
  margin: 32px 0;
}

.rule-heavy {
  height: 2px;
  background-color: var(--color-text-main);
  border: none;
  margin: 48px 0;
}

/* Header & Sticky Navigation */
/* Material 3 Top App Bar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(250, 248, 245, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
  transition: box-shadow var(--trans-base), background-color var(--trans-base);
}

.site-header.is-scrolled {
  background-color: rgba(246, 243, 238, 0.98);
  box-shadow: var(--md-elevation-level2);
  border-bottom-color: transparent;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

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

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-text-main);
  line-height: 1.1;
  text-transform: uppercase;
}

.brand-tagline {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
  padding: 6px 0;
  transition: color var(--trans-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-text-main);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--color-accent-coral);
  transition: width var(--trans-base);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Material Design 3 Buttons (Filled, Outlined, Tonal) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 12px 24px;
  border-radius: var(--radius-full);       /* M3 standard pill button */
  transition: all var(--trans-base);
  text-align: center;
  line-height: 1.2;
  position: relative;
  overflow: hidden;
}

/* M3 State Ripple / Surface overlay */
.btn::before {
  content: ;
  position: absolute;
  inset: 0;
  background-color: currentColor;
  opacity: 0;
  transition: opacity var(--trans-fast);
}

.btn:hover::before {
  opacity: 0.08;
}

.btn:active::before {
  opacity: 0.16;
}

.btn-primary {
  background-color: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
  box-shadow: var(--md-elevation-level1);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  color: var(--md-sys-color-on-primary);
  box-shadow: var(--md-elevation-level2);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--md-sys-color-primary);
  border: 1px solid var(--md-sys-color-outline);
}

.btn-secondary:hover {
  background-color: var(--md-sys-color-primary-container);
  border-color: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary-container);
}

.btn-bordeaux {
  background-color: var(--color-bordeaux);
  color: #FFFFFF;
}

.btn-bordeaux:hover {
  background-color: #5e1925;
  color: #FFFFFF;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.82rem;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  gap: 5px;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-text-main);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.menu-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.menu-toggle.is-open span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Drawer */
.mobile-nav {
  position: fixed;
  top: 76px;
  left: 0;
  width: 100%;
  height: calc(100vh - 76px);
  background-color: var(--color-bg);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transform: translateX(-100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
  z-index: 999;
  border-top: 1px solid var(--color-border);
}

.mobile-nav.is-open {
  transform: translateX(0);
}

.mobile-nav a {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-text-main);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

/* Editorial Hero Layout */
.hero-editorial {
  padding: 60px 0 80px 0;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

.hero-editorial::after {
  content: "01";
  position: absolute;
  right: -20px;
  top: 20px;
  font-family: var(--font-serif);
  font-size: 18vw;
  font-weight: 700;
  color: rgba(28, 26, 23, 0.025);
  line-height: 1;
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.hero-meta-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  width: 100%;
}

.hero-meta-item strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--color-bordeaux);
  margin-bottom: 4px;
}

.hero-meta-item span {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.35;
}

/* Pain Map Silhouette Component */
.pain-map-container {
  background-color: var(--md-sys-color-surface);
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--radius-lg);          /* M3 Large Card: 24px */
  padding: 32px;
  position: relative;
  box-shadow: var(--md-elevation-level2);
}

.pain-map-badge {
  position: absolute;
  top: 18px;
  left: 20px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  display: flex;
  align-items: center;
  gap: 6px;
}

.pain-map-badge::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-accent-coral);
  box-shadow: 0 0 0 3px rgba(224, 90, 71, 0.25);
  animation: pulseBeacon 2.5s infinite;
}

@keyframes pulseBeacon {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.pain-map-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.pain-map-svg-wrap {
  width: 100%;
  max-width: 320px;
  height: 480px;
  position: relative;
}

.pain-map-svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 8px 24px rgba(28,26,23,0.06));
}

/* SVG Interactive Nodes */
.joint-node {
  cursor: pointer;
  transition: all var(--trans-base);
}

.joint-node circle.glow {
  fill: var(--color-accent-coral);
  opacity: 0.25;
  transition: transform 0.3s ease, opacity 0.3s ease;
  transform-box: fill-box;
  transform-origin: center;
}

.joint-node circle.core {
  fill: var(--color-accent-coral);
  stroke: #FFFFFF;
  stroke-width: 2.5px;
  transition: all 0.25s ease;
  transform-box: fill-box;
  transform-origin: center;
}

.joint-node:hover circle.glow,
.joint-node.is-active circle.glow {
  opacity: 0.65;
  transform: scale(1.8);
}

.joint-node:hover circle.core,
.joint-node.is-active circle.core {
  fill: var(--color-bordeaux);
  stroke-width: 3px;
  transform: scale(1.2);
}

/* Pain Map Quick Detail Card */
.pain-map-detail {
  margin-top: 24px;
  width: 100%;
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent-coral);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  box-shadow: var(--shadow-subtle);
  transition: opacity var(--trans-base), transform var(--trans-base);
}

.pain-map-detail-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.pain-map-detail-title h4 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-text-main);
}

.pain-map-detail-desc {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 12px;
}

.pain-map-detail-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-bordeaux);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pain-map-detail-link:hover {
  color: var(--color-accent-coral);
  text-decoration: underline;
}

/* Section Common Structure */
.section-editorial {
  padding: 96px 0;
  position: relative;
}

.section-alt {
  background-color: var(--color-surface-subtle);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-header {
  margin-bottom: 48px;
}

.section-header.text-center {
  text-align: center;
}

.section-header.text-center .editorial-eyebrow {
  justify-content: center;
}

.section-header.text-center .editorial-lead {
  margin-left: auto;
  margin-right: auto;
}

/* Interactive Joint Hub: Wo tut es weh? */
.joints-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.joint-region-card {
  background-color: var(--md-sys-color-surface);
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  position: relative;
  box-shadow: var(--md-elevation-level1);
  transition: transform var(--trans-base), box-shadow var(--trans-base), border-color var(--trans-base);
}

.joint-region-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--md-elevation-level3);
  border-color: var(--md-sys-color-primary);
}

.joint-region-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-bordeaux);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}

.joint-region-title {
  font-size: 1.6rem;
  margin-bottom: 16px;
}

.joint-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px dashed var(--color-border);
}

.joint-link-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background-color: var(--color-bg);
  transition: background-color var(--trans-fast), color var(--trans-fast);
}

.joint-link-item:hover {
  background-color: var(--color-sand);
  color: var(--color-accent-coral);
}

.joint-link-item span {
  font-size: 0.95rem;
  font-weight: 500;
}

.joint-link-item svg {
  width: 16px;
  height: 16px;
  transition: transform var(--trans-fast);
}

.joint-link-item:hover svg {
  transform: translateX(4px);
}

/* Causes Navigator (Ursachen-Landkarte) */
.causes-matrix {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

/* Material 3 Outlined / Elevated Card */
.cause-card {
  background-color: var(--md-sys-color-surface);
  border: 1px solid var(--md-sys-color-outline-variant);
  padding: 28px;
  border-radius: var(--radius-md);          /* M3 Container: 16px */
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--trans-base), transform var(--trans-base), border-color var(--trans-base);
  position: relative;
  box-shadow: var(--md-elevation-level1);
}

.cause-card:hover {
  border-color: var(--md-sys-color-outline);
  box-shadow: var(--md-elevation-level2);
  transform: translateY(-2px);
}

.cause-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-accent-coral);
  font-weight: 700;
  margin-bottom: 12px;
}

.cause-card h3 {
  font-size: 1.28rem;
  margin-bottom: 10px;
}

.cause-card p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* Pain Meaning & Interpretation Tabs */
.meaning-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 36px;
  align-items: start;
}

.meaning-tabs {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.meaning-tab-btn {
  text-align: left;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: all var(--trans-fast);
}

.meaning-tab-btn:hover {
  border-color: var(--color-text-main);
  color: var(--color-text-main);
}

.meaning-tab-btn.is-active {
  background-color: var(--color-text-main);
  color: #FFFFFF;
  border-color: var(--color-text-main);
}

.meaning-panel {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 36px;
  box-shadow: var(--shadow-card);
}

.meaning-panel-header {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 20px;
  margin-bottom: 24px;
}

.meaning-panel-header h3 {
  font-size: 1.7rem;
  margin-bottom: 8px;
}

.meaning-details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.meaning-box {
  background-color: var(--color-bg);
  padding: 20px;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-bordeaux);
}

.meaning-box.alert-box {
  border-left-color: var(--color-accent-coral);
  background-color: #FFF5F4;
}

.meaning-box h4 {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
  color: var(--color-text-main);
}

.meaning-box p, .meaning-box ul {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

.meaning-box ul {
  padding-left: 18px;
}

/* Symptom Check / Informationsassistent */
/* Material 3 Elevated Card / Surface Sheet */
.symptom-check-card {
  background-color: var(--md-sys-color-surface);
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--radius-lg);          /* 24px */
  padding: 40px;
  box-shadow: var(--md-elevation-level2);
}

.symptom-step {
  display: none;
}

.symptom-step.is-active {
  display: block;
}

.symptom-progress {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
}

.progress-bar-wrap {
  flex-grow: 1;
  height: 4px;
  background-color: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  width: 10%;
  background-color: var(--color-accent-coral);
  transition: width 0.3s ease;
}

.step-indicator {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-text-faint);
}

.symptom-question {
  font-size: 1.6rem;
  margin-bottom: 24px;
}

.symptom-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 32px;
}

.symptom-option-btn {
  text-align: left;
  padding: 16px 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-bg);
  font-size: 0.95rem;
  color: var(--color-text-main);
  transition: all var(--trans-fast);
}

.symptom-option-btn:hover {
  background-color: #FFFFFF;
  border-color: var(--color-text-main);
}

.symptom-option-btn.selected {
  background-color: var(--color-text-main);
  color: #FFFFFF;
  border-color: var(--color-text-main);
}

.symptom-nav-btns {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.symptom-summary-box {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 24px;
  margin: 24px 0;
}

.symptom-summary-item {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.92rem;
}

.symptom-summary-item:last-child {
  border-bottom: none;
}

.symptom-summary-item span:first-child {
  color: var(--color-text-muted);
}

.symptom-summary-item span:last-child {
  font-weight: 600;
  color: var(--color-text-main);
}

.editorial-disclaimer-callout {
  background-color: #FBF4E8;
  border-left: 4px solid #D97706;
  padding: 20px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: #78350F;
  margin-top: 24px;
}

/* Treatment Editorial Section */
.treatment-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.treatment-card {
  background-color: var(--md-sys-color-surface);
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--md-elevation-level1);
  transition: box-shadow var(--trans-base), transform var(--trans-base);
}

.treatment-card:hover {
  box-shadow: var(--md-elevation-level2);
  transform: translateY(-2px);
}

.treatment-card-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-blue-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.treatment-card h3 {
  font-size: 1.45rem;
  margin-bottom: 14px;
}

.treatment-card p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

/* Movement / Bewegungsplan */
.plan-week-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 14px;
}

/* Material 3 Tonal Card / Calendar Day */
.plan-day-card {
  background-color: var(--md-sys-color-surface);
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--radius-md);          /* 16px */
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--md-elevation-level1);
  transition: transform var(--trans-base), box-shadow var(--trans-base), border-color var(--trans-base);
}

.plan-day-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--md-elevation-level2);
  border-color: var(--md-sys-color-primary);
}

.plan-day-card.rest-day {
  background-color: var(--color-sand);
}

.plan-day-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-bordeaux);
  margin-bottom: 8px;
}

.plan-day-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.plan-day-desc {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.45;
}

/* Exercises Filter & Grid */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}

/* Material 3 Filter Chips */
.filter-btn {
  padding: 8px 16px;
  background-color: var(--md-sys-color-surface-container-low);
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--radius-sm);          /* M3 Filter Chip Shape: 8px */
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--md-sys-color-on-surface-variant);
  transition: all var(--trans-fast);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.filter-btn:hover {
  background-color: var(--md-sys-color-surface-container-high);
  color: var(--md-sys-color-on-surface);
  border-color: var(--md-sys-color-outline);
}

.filter-btn.is-active {
  background-color: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
  border-color: transparent;
  font-weight: 600;
  box-shadow: var(--md-elevation-level1);
}

.exercise-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.exercise-card {
  background-color: var(--md-sys-color-surface);
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--radius-md);          /* M3 Medium Radius: 16px */
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: transform var(--trans-base), box-shadow var(--trans-base), border-color var(--trans-base);
  box-shadow: var(--md-elevation-level1);
}

.exercise-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--md-elevation-level3);
  border-color: var(--md-sys-color-outline);
}

.exercise-meta-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

/* Material 3 Assist Chip */
.exercise-joint-pill {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  background-color: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
  border: 1px solid var(--md-sys-color-outline-variant);
}

.exercise-card h3 {
  font-size: 1.35rem;
  margin-bottom: 10px;
}

.exercise-target {
  font-size: 0.85rem;
  color: var(--color-bordeaux);
  font-weight: 600;
  margin-bottom: 16px;
}

.exercise-details {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
  flex-grow: 1;
}

.exercise-detail-row strong {
  color: var(--color-text-main);
}

.exercise-warning {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background-color: #FFF5F2;
  border-left: 3px solid var(--color-accent-coral);
  font-size: 0.82rem;
  color: #9C3325;
}

/* Myths vs Facts Section */
.myths-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

/* Material 3 Outlined Card with Tinted Header */
.myth-card {
  background-color: var(--md-sys-color-surface);
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--radius-lg);          /* 24px */
  overflow: hidden;
  box-shadow: var(--md-elevation-level1);
  transition: box-shadow var(--trans-base), transform var(--trans-base);
}

.myth-card:hover {
  box-shadow: var(--md-elevation-level2);
  transform: translateY(-2px);
}

.myth-header {
  background-color: #FFF1F0;
  border-bottom: 1px solid #FCD3CE;
  padding: 20px 24px;
}

.myth-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-accent-coral);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.myth-header h4 {
  font-size: 1.25rem;
  color: #8C2315;
}

.myth-body {
  padding: 24px;
}

.fact-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-bordeaux);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.myth-body p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Articles Editorial Feed */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.article-card {
  background-color: var(--md-sys-color-surface);
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--radius-md);          /* M3 Radius: 16px */
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform var(--trans-base), box-shadow var(--trans-base), border-color var(--trans-base);
  box-shadow: var(--md-elevation-level1);
}

.article-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--md-elevation-level3);
  border-color: var(--md-sys-color-outline);
}

.article-thumb-wrap {
  width: 100%;
  height: 200px;
  overflow: hidden;
  background-color: var(--color-sand);
  position: relative;
}

.article-thumb-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.article-card:hover .article-thumb-wrap img {
  transform: scale(1.04);
}

.article-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.article-cat {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-bordeaux);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.article-card h3 {
  font-size: 1.35rem;
  margin-bottom: 12px;
  line-height: 1.25;
}

.article-card p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: 20px;
  flex-grow: 1;
}

.article-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent-coral);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-link:hover {
  text-decoration: underline;
}

/* FAQ Accordion */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* Material 3 Expansion Panel */
.faq-item {
  background-color: var(--md-sys-color-surface);
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--radius-md);          /* 16px */
  overflow: hidden;
  box-shadow: var(--md-elevation-level1);
  transition: box-shadow var(--trans-base), border-color var(--trans-base);
}

.faq-item:hover {
  border-color: var(--md-sys-color-outline);
  box-shadow: var(--md-elevation-level2);
}

.faq-item.is-open {
  border-color: var(--md-sys-color-primary);
  background-color: var(--md-sys-color-surface-bright);
  box-shadow: var(--md-elevation-level2);
}

.faq-question-btn {
  width: 100%;
  text-align: left;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-text-main);
  background: none;
  border: none;
  cursor: pointer;
}

.faq-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--trans-base);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), padding 0.35s ease;
  padding: 0 24px;
}

.faq-item.is-open .faq-answer {
  max-height: 600px;
  padding: 0 24px 24px 24px;
}

.faq-answer-inner {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
}

/* Editorial Article Page Layout */
.editorial-post-header {
  padding: 72px 0 48px 0;
  border-bottom: 1px solid var(--color-border);
  background-color: #FFFFFF;
}

.post-breadcrumbs {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-text-faint);
  margin-bottom: 24px;
}

.post-breadcrumbs a:hover {
  color: var(--color-text-main);
  text-decoration: underline;
}

.post-meta-strip {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 24px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.post-hero-image {
  margin: 48px 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.article-content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #2F2B26;
}

.article-content h2 {
  font-size: 2rem;
  margin: 48px 0 20px 0;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.article-content h3 {
  font-size: 1.45rem;
  margin: 32px 0 16px 0;
}

.article-content p {
  margin-bottom: 24px;
}

.article-content ul, .article-content ol {
  margin-bottom: 24px;
  padding-left: 28px;
}

.article-content li {
  margin-bottom: 8px;
}

.article-content blockquote {
  border-left: 4px solid var(--color-bordeaux);
  padding: 16px 24px;
  background-color: var(--color-surface-subtle);
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-style: italic;
  margin: 36px 0;
}

/* Site Footer */
.site-footer {
  background-color: #171513;
  color: #D4CBBC;
  padding: 80px 0 40px 0;
  border-top: 2px solid var(--color-bordeaux);
  position: relative;
  z-index: 10;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand h3 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: #FFFFFF;
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: #A39B8F;
  line-height: 1.6;
  max-width: 360px;
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #FFFFFF;
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a {
  color: #A39B8F;
  font-size: 0.88rem;
  transition: color var(--trans-fast);
}

.footer-col a:hover {
  color: var(--color-accent-coral);
}

.footer-legal-notice {
  background-color: #211E1A;
  border: 1px solid #332E27;
  padding: 24px;
  border-radius: var(--radius-sm);
  margin-bottom: 40px;
}

.footer-legal-notice strong {
  color: #FFFFFF;
  display: block;
  margin-bottom: 6px;
  font-size: 0.88rem;
}

.footer-legal-notice p {
  font-size: 0.82rem;
  color: #9C9487;
  line-height: 1.55;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid #2B2620;
  padding-top: 28px;
  font-size: 0.8rem;
  color: #7D7569;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a:hover {
  color: #FFFFFF;
}

/* Responsive Breakpoints */
@media (max-width: 1080px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .meaning-grid {
    grid-template-columns: 1fr;
  }
  .causes-matrix {
    grid-template-columns: repeat(2, 1fr);
  }
  .plan-week-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 860px) {
  .main-nav, .header-actions {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .joints-grid, .treatment-cards-grid, .exercise-cards-grid, .articles-grid, .myths-grid {
    grid-template-columns: 1fr;
  }
  .meaning-details-grid {
    grid-template-columns: 1fr;
  }
  .hero-meta-points {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

@media (max-width: 580px) {
  .causes-matrix {
    grid-template-columns: 1fr;
  }
  .plan-week-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .symptom-options {
    grid-template-columns: 1fr;
  }
  .editorial-title {
    font-size: 2.1rem;
  }
}

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

/* ==========================================================================
   ENHANCEMENTS & COMPONENT ADDITIONS
   ========================================================================== */

/* Symptom Check Options and Summary */
.symptom-question-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-text-main);
  margin-bottom: 20px;
}

.symptom-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 28px;
}

/* Material 3 Outlined Selection Buttons */
.symptom-option-btn {
  background-color: var(--md-sys-color-surface-container-low);
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--radius-md);          /* 16px */
  padding: 16px 20px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: all var(--trans-base);
  color: var(--md-sys-color-on-surface);
  box-shadow: var(--md-elevation-level1);
}

.symptom-option-btn:hover {
  border-color: var(--md-sys-color-outline);
  background-color: var(--md-sys-color-surface-bright);
  box-shadow: var(--md-elevation-level2);
  transform: translateY(-1px);
}

.symptom-option-btn.is-selected {
  border-color: var(--md-sys-color-primary);
  background-color: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
  font-weight: 600;
  box-shadow: var(--md-elevation-level2);
}

.symptom-step-actions {
  display: flex;
  justify-content: flex-start;
  margin-top: 16px;
}

.btn-step-prev {
  background: none;
  border: none;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 6px 12px;
  text-decoration: underline;
}

.symptom-summary-results {
  margin-top: 24px;
}

.symptom-summary-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  background-color: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 24px;
  margin-bottom: 24px;
}

.summary-entry {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.summary-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-faint);
  text-transform: uppercase;
}

.summary-value {
  font-size: 0.95rem;
  color: var(--color-text-main);
}

.symptom-disclaimer-box {
  background-color: #FFF8E6;
  border-left: 4px solid #D4A318;
  padding: 18px 22px;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  font-size: 0.9rem;
  color: #634C0A;
  line-height: 1.6;
}

/* Meaning Tab Panels */
.meaning-panel-content {
  display: none;
}

.meaning-panel-content.is-active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.meaning-panel-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--color-accent-coral);
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}

.meaning-details-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 24px;
}

.meaning-block {
  background-color: var(--color-surface-subtle);
  padding: 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.meaning-block h5 {
  font-size: 0.92rem;
  color: var(--color-bordeaux);
  margin-bottom: 8px;
  font-family: var(--font-mono);
  text-transform: uppercase;
}

.meaning-block p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* Background Parallax Floating Elements */
.bg-parallax-shape {
  position: absolute;
  pointer-events: none;
  z-index: 0;
  border-radius: 50%;
  opacity: 0.04;
  background-color: var(--color-text-main);
  transition: transform 0.1s linear;
}

.shape-1 {
  width: 480px;
  height: 480px;
  top: 10%;
  right: -100px;
  border: 2px dashed var(--color-text-main);
  background: none;
}

.shape-2 {
  width: 320px;
  height: 320px;
  bottom: 20%;
  left: -80px;
}

/* Numbered Editorial Watermark */
.editorial-num-watermark {
  position: absolute;
  font-family: var(--font-serif);
  font-size: 16rem;
  font-weight: 700;
  color: rgba(28, 26, 23, 0.025);
  top: -60px;
  right: 20px;
  line-height: 1;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

/* FAQ Answer Accordion Body */
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), padding 0.35s ease;
  padding: 0 24px;
}

.faq-item.is-open .faq-answer {
  max-height: 500px;
  padding: 0 24px 24px 24px;
}

.faq-answer p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.faq-item.is-open .faq-question-btn {
  color: var(--color-bordeaux);
}

.faq-item.is-open .faq-icon {
  transform: rotate(180deg);
}

/* Editorial Content Block Enhancements */
.editorial-lead-section {
  padding: 48px 0;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.editorial-keypoints-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 36px;
}

.editorial-keypoint {
  background-color: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  padding: 24px;
  border-radius: var(--radius-sm);
  border-top: 3px solid var(--color-accent-coral);
}

.editorial-keypoint h4 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  color: var(--color-text-main);
}

.editorial-keypoint p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* Supplement Detail Cards */
.supplement-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.supplement-card {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
}

.supplement-card-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-bordeaux);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.supplement-section {
  margin-top: 14px;
  font-size: 0.88rem;
  line-height: 1.55;
}

.supplement-section strong {
  display: block;
  font-size: 0.82rem;
  color: var(--color-text-main);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.supplement-section p {
  color: var(--color-text-muted);
  margin-bottom: 0;
}

@media (max-width: 1080px) {
  .supplement-cards-grid, .editorial-keypoints-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .supplement-cards-grid, .editorial-keypoints-grid {
    grid-template-columns: 1fr;
  }
  .symptom-summary-grid {
    grid-template-columns: 1fr;
  }
}

/* Interactive Anatomical Pain Map Overlay */
.hero-body-map-wrapper {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--md-elevation-level1);
  background-color: var(--md-sys-color-surface-container-low);
}

.pain-map-overlay-svg {
  pointer-events: auto;
}

.pain-map-overlay-svg .joint-node {
  cursor: pointer;
  transition: transform var(--trans-base);
}

.pain-map-overlay-svg .joint-node circle.glow {
  transform-box: fill-box;
  transform-origin: center;
  transition: transform 0.3s ease, opacity 0.3s ease;
  animation: pulseGlow 3s infinite ease-in-out;
}

.pain-map-overlay-svg .joint-node:hover circle.glow,
.pain-map-overlay-svg .joint-node.is-active circle.glow {
  opacity: 0.7;
  transform: scale(1.6);
}

.pain-map-overlay-svg .joint-node:hover circle.core,
.pain-map-overlay-svg .joint-node.is-active circle.core {
  transform-box: fill-box;
  transform-origin: center;
  transform: scale(1.25);
  fill: #8C1D18;
  stroke: #FFFFFF;
  stroke-width: 4px;
}

@keyframes pulseGlow {
  0%, 100% {
    transform: scale(1);
    opacity: 0.25;
  }
  50% {
    transform: scale(1.25);
    opacity: 0.45;
  }
}