/* ==========================================================================
   schmerzfrei-gelenke.info - THE MOVEMENT JOURNAL
   Design System: Warm Ivory / Paper, Graphite, Cobalt, Marine, Sand, Coral
   ========================================================================== */

:root {
  --color-paper: #F5F1E8;
  --color-paper-light: #FAF8F4;
  --color-paper-muted: #EDE7DC;
  --color-sand: #DCCDB7;
  --color-sand-light: #EBE2D4;
  --color-graphite: #17171A;
  --color-graphite-muted: #38383F;
  --color-marine: #152A45;
  --color-cobalt: #2855D9;
  --color-cobalt-light: #4A72E8;
  --color-sky: #6E91E8;
  --color-coral: #E97868;
  --color-border: rgba(23, 23, 26, 0.12);
  --color-border-subtle: rgba(23, 23, 26, 0.06);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Newsreader", Georgia, "Times New Roman", serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --container-max: 1320px;
  --container-narrow: 840px;
  --header-height: 80px;
  --header-compact-height: 64px;

  --transition-smooth: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

body {
  background-color: var(--color-paper);
  color: var(--color-graphite);
  font-family: var(--font-sans);
  line-height: 1.65;
  font-weight: 400;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

/* Background editorial paper subtle texture */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(rgba(23, 23, 26, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
  z-index: 999;
}

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

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

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

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 2rem;
  padding-right: 2rem;
}

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

/* ==========================================================================
   Editorial Typography & Labels
   ========================================================================== */

.editorial-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-cobalt);
  font-weight: 600;
  margin-bottom: 1rem;
}

.editorial-label::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background-color: var(--color-cobalt);
  border-radius: 50%;
}

.editorial-label.coral::before {
  background-color: var(--color-coral);
}

.chapter-number {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 6vw, 6rem);
  font-weight: 400;
  line-height: 1;
  color: var(--color-sand);
  margin-bottom: 0.5rem;
  user-select: none;
}

.display-title {
  font-family: var(--font-sans);
  font-size: clamp(2.5rem, 5.5vw, 5.25rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.035em;
  text-transform: uppercase;
  color: var(--color-graphite);
  margin-bottom: 1.5rem;
}

.section-title {
  font-size: clamp(2rem, 3.8vw, 3.5rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.025em;
  text-transform: uppercase;
  color: var(--color-graphite);
  margin-bottom: 1.25rem;
}

.serif-accent {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  text-transform: none;
  color: var(--color-cobalt);
}

.lead-text {
  font-size: clamp(1.15rem, 1.4vw, 1.35rem);
  line-height: 1.6;
  color: var(--color-graphite-muted);
  max-width: 48ch;
  margin-bottom: 2rem;
}

.editorial-quote {
  border-left: 3px solid var(--color-cobalt);
  padding: 1.5rem 0 1.5rem 2rem;
  margin: 2.5rem 0;
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 1.8vw, 1.6rem);
  font-style: italic;
  line-height: 1.5;
  color: var(--color-marine);
  background: rgba(40, 85, 217, 0.03);
}

/* ==========================================================================
   Header Navigation
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(245, 241, 232, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: height var(--transition-smooth), box-shadow var(--transition-smooth);
}

.site-header.scrolled {
  height: var(--header-compact-height);
  box-shadow: 0 4px 20px rgba(23, 23, 26, 0.05);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-logo svg {
  width: 34px;
  height: 34px;
}

.logo-text {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-graphite);
  white-space: nowrap;
}

.logo-text span {
  color: var(--color-cobalt);
  margin: 0 0.15rem;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.925rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-graphite-muted);
  position: relative;
  padding: 0.5rem 0;
  white-space: nowrap;
}

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

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

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

.header-cta-btn {
  background-color: var(--color-graphite);
  color: var(--color-paper);
  font-size: 0.825rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.75rem 1.4rem;
  border-radius: 4px;
  transition: background-color var(--transition-smooth), transform var(--transition-smooth);
  white-space: nowrap;
  flex-shrink: 0;
}

.header-cta-btn:hover {
  background-color: var(--color-cobalt);
  transform: translateY(-1px);
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 8px;
  z-index: 1002;
}

.mobile-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-graphite);
  transition: transform var(--transition-smooth), opacity var(--transition-smooth);
}

.mobile-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--color-paper-light);
  z-index: 1001;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem 2rem 2rem;
  transform: translateY(-100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.mobile-nav-link {
  font-size: 1.5rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--color-graphite);
}

/* ==========================================================================
   Buttons & Links
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 1rem 2rem;
  border-radius: 4px;
  transition: all var(--transition-smooth);
  text-decoration: none;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--color-graphite);
  color: var(--color-paper);
}

.btn-primary:hover {
  background-color: var(--color-cobalt);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(40, 85, 217, 0.25);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-graphite);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-cobalt);
  color: var(--color-cobalt);
  transform: translateY(-2px);
}

.btn-cobalt {
  background-color: var(--color-cobalt);
  color: #fff;
}

.btn-cobalt:hover {
  background-color: var(--color-marine);
  transform: translateY(-2px);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero-section {
  padding-top: calc(var(--header-height) + 3rem);
  padding-bottom: 5rem;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-headline {
  margin-bottom: 1.5rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.hero-visual {
  position: relative;
}

.hero-image-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  background-color: var(--color-sand);
  overflow: hidden;
  border-radius: 4px;
  box-shadow: 0 16px 40px rgba(23, 23, 26, 0.08);
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-visual:hover .hero-image {
  transform: scale(1.03);
}

/* Vector Movement Path overlaying hero */
.movement-path-overlay {
  position: absolute;
  top: -10%;
  left: -10%;
  width: 120%;
  height: 120%;
  pointer-events: none;
  z-index: 3;
}

.hero-badge {
  position: absolute;
  bottom: 2rem;
  left: -2rem;
  background-color: var(--color-paper-light);
  border: 1px solid var(--color-border);
  padding: 1.25rem 1.75rem;
  border-radius: 4px;
  box-shadow: 0 10px 30px rgba(23, 23, 26, 0.08);
  z-index: 4;
}

.hero-badge-title {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-cobalt);
  margin-bottom: 0.25rem;
}

.hero-badge-desc {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-graphite);
}

/* ==========================================================================
   Movement Path Indicator (Motiv-Leiste)
   ========================================================================== */

.movement-ribbon {
  padding: 2rem 0;
  background-color: var(--color-paper-light);
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.ribbon-steps {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.ribbon-steps::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 2%;
  right: 2%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-cobalt) 0%, var(--color-sand) 50%, var(--color-cobalt) 100%);
  transform: translateY(-50%);
  z-index: 1;
}

.ribbon-step {
  position: relative;
  z-index: 2;
  background-color: var(--color-paper-light);
  padding: 0.5rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 40px;
}

.ribbon-step-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-cobalt);
}

.ribbon-step-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-graphite);
}

/* ==========================================================================
   Interactive Joint Selector ("Wo beginnen wir?")
   ========================================================================== */

.joint-selector-section {
  padding: 6rem 0;
  border-bottom: 1px solid var(--color-border);
}

.joint-editorial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 3.5rem;
}

.joint-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2.25rem;
  background-color: var(--color-paper-light);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  min-height: 240px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-smooth);
}

.joint-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0%;
  background-color: var(--color-cobalt);
  transition: height var(--transition-smooth);
}

.joint-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-cobalt);
  box-shadow: 0 12px 30px rgba(23, 23, 26, 0.06);
}

.joint-card:hover::before {
  height: 100%;
}

.joint-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.joint-code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-sand);
}

.joint-card-title {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--color-graphite);
  margin-bottom: 0.5rem;
}

.joint-card-sub {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-cobalt);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.joint-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-graphite);
  margin-top: 1.5rem;
}

.joint-card:hover .joint-card-link {
  color: var(--color-cobalt);
}

/* ==========================================================================
   Editorial Feature Spotlight (Knie, Hüfte, Schulter)
   ========================================================================== */

.spotlight-section {
  padding: 6rem 0;
  border-bottom: 1px solid var(--color-border);
}

.spotlight-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.spotlight-grid.reverse {
  direction: rtl;
}

.spotlight-grid.reverse > * {
  direction: ltr;
}

.spotlight-image-holder {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 4px;
  background-color: var(--color-sand);
  position: relative;
  box-shadow: 0 16px 36px rgba(23, 23, 26, 0.07);
}

.spotlight-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.spotlight-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 1.75rem 0 2.25rem;
}

.spotlight-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1rem;
  color: var(--color-graphite-muted);
}

.spotlight-list li::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-cobalt);
  flex-shrink: 0;
}

/* ==========================================================================
   Manifesto Section ("Schmerzfrei ist kein Versprechen")
   ========================================================================== */

.manifesto-section {
  padding: 8rem 0;
  background-color: var(--color-marine);
  color: var(--color-paper);
  position: relative;
  overflow: hidden;
}

.manifesto-title {
  color: var(--color-paper);
  font-size: clamp(2.5rem, 5vw, 4.75rem);
  line-height: 1.1;
  margin-bottom: 2rem;
}

.manifesto-title span {
  color: var(--color-sky);
}

.manifesto-body {
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 2vw, 1.85rem);
  font-style: italic;
  line-height: 1.5;
  color: var(--color-sand-light);
  max-width: 50ch;
  margin-bottom: 3rem;
}

/* ==========================================================================
   Ursachen-Landkarte (Causes Matrix)
   ========================================================================== */

.causes-section {
  padding: 6rem 0;
  border-bottom: 1px solid var(--color-border);
}

.causes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3.5rem;
}

.cause-item {
  background-color: var(--color-paper-light);
  border: 1px solid var(--color-border);
  padding: 2.25rem;
  border-radius: 4px;
  transition: all var(--transition-smooth);
}

.cause-item:hover {
  border-color: var(--color-graphite);
  box-shadow: 0 10px 25px rgba(23, 23, 26, 0.05);
}

.cause-title {
  font-size: 1.35rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: var(--color-graphite);
  margin-bottom: 0.75rem;
}

.cause-desc {
  font-size: 0.95rem;
  color: var(--color-graphite-muted);
  line-height: 1.55;
}

/* ==========================================================================
   10-Minuten-Routine Interactive Tool
   ========================================================================== */

.routine-section {
  padding: 6rem 0;
  background-color: var(--color-paper-light);
  border-bottom: 1px solid var(--color-border);
}

.routine-wrapper {
  background-color: var(--color-paper);
  border: 1px solid var(--color-border);
  padding: 3rem;
  border-radius: 8px;
  margin-top: 3rem;
  box-shadow: 0 12px 30px rgba(23, 23, 26, 0.05);
}

.routine-progress-bar {
  width: 100%;
  height: 6px;
  background-color: var(--color-sand);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 2rem;
}

.routine-progress-fill {
  height: 100%;
  width: 16.66%;
  background-color: var(--color-cobalt);
  transition: width 0.4s ease;
}

.routine-steps-nav {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.routine-step-btn {
  padding: 0.75rem 0.5rem;
  text-align: center;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background-color: var(--color-paper-light);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-graphite-muted);
  transition: all var(--transition-smooth);
}

.routine-step-btn.active {
  background-color: var(--color-graphite);
  color: var(--color-paper);
  border-color: var(--color-graphite);
}

.routine-display-box {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
}

.routine-timer-wrap {
  text-align: center;
  padding: 2.5rem;
  background-color: var(--color-paper-light);
  border: 1px solid var(--color-border);
  border-radius: 6px;
}

.routine-timer-number {
  font-family: var(--font-mono);
  font-size: 4rem;
  font-weight: 700;
  color: var(--color-graphite);
  line-height: 1;
  margin-bottom: 1.5rem;
}

.routine-controls {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

/* ==========================================================================
   Exercise Library & Filters
   ========================================================================== */

.exercise-section {
  padding: 6rem 0;
  border-bottom: 1px solid var(--color-border);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
  margin-bottom: 3rem;
}

.filter-btn {
  padding: 0.6rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.775rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--color-border);
  border-radius: 30px;
  background-color: var(--color-paper-light);
  color: var(--color-graphite-muted);
  transition: all var(--transition-smooth);
}

.filter-btn:hover {
  border-color: var(--color-graphite);
  color: var(--color-graphite);
}

.filter-btn.active {
  background-color: var(--color-graphite);
  color: var(--color-paper);
  border-color: var(--color-graphite);
}

.exercise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
}

.exercise-card {
  background-color: var(--color-paper-light);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-smooth);
}

.exercise-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-cobalt);
  box-shadow: 0 10px 25px rgba(23, 23, 26, 0.05);
}

.exercise-card-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-cobalt);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.exercise-card-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-graphite);
  margin-bottom: 0.75rem;
  line-height: 1.25;
}

.exercise-card-target {
  font-size: 0.925rem;
  color: var(--color-graphite-muted);
  margin-bottom: 1.5rem;
}

.exercise-meta-row {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--color-border-subtle);
  padding-top: 1rem;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--color-graphite-muted);
}

/* ==========================================================================
   Myths & Facts Editorial Matrix
   ========================================================================== */

.myths-section {
  padding: 6rem 0;
  border-bottom: 1px solid var(--color-border);
}

.myths-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 2rem;
  margin-top: 3.5rem;
}

.myth-card {
  background-color: var(--color-paper-light);
  border: 1px solid var(--color-border);
  padding: 2.5rem;
  border-radius: 4px;
  position: relative;
}

.myth-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-coral);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.myth-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-style: italic;
  line-height: 1.35;
  color: var(--color-graphite);
  margin-bottom: 1.5rem;
}

.fact-box {
  border-top: 1px solid var(--color-border);
  padding-top: 1.25rem;
}

.fact-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-cobalt);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.fact-text {
  font-size: 0.95rem;
  color: var(--color-graphite-muted);
  line-height: 1.55;
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */

.faq-section {
  padding: 6rem 0;
  border-bottom: 1px solid var(--color-border);
}

.faq-search-input {
  width: 100%;
  max-width: 500px;
  padding: 1rem 1.5rem;
  background-color: var(--color-paper-light);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-graphite);
  margin-top: 1.5rem;
  margin-bottom: 3rem;
}

.faq-search-input:focus {
  outline: none;
  border-color: var(--color-cobalt);
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background-color: var(--color-paper-light);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  overflow: hidden;
}

.faq-question-btn {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  text-align: left;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-graphite);
}

.faq-question-btn:hover {
  color: var(--color-cobalt);
}

.faq-icon {
  font-size: 1.5rem;
  font-weight: 300;
  transition: transform var(--transition-smooth);
}

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

.faq-answer {
  display: none;
  padding: 0 2rem 2rem;
  font-size: 1rem;
  color: var(--color-graphite-muted);
  line-height: 1.65;
}

.faq-item.is-active .faq-answer {
  display: block;
}

/* ==========================================================================
   Warning & Medical Disclaimer ("Wann zum Arzt?")
   ========================================================================== */

.doctor-warning-section {
  padding: 6rem 0;
  background-color: #FAF6F0;
  border-bottom: 1px solid var(--color-border);
}

.warning-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.warning-card {
  padding: 2rem;
  background-color: #fff;
  border-left: 4px solid var(--color-coral);
  border-radius: 4px;
  box-shadow: 0 4px 15px rgba(23, 23, 26, 0.04);
}

.warning-card h4 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-graphite);
  margin-bottom: 0.5rem;
}

.warning-card p {
  font-size: 0.925rem;
  color: var(--color-graphite-muted);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background-color: var(--color-graphite);
  color: var(--color-paper);
  padding: 5rem 0 3rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 3rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid rgba(245, 241, 232, 0.1);
}

.footer-brand p {
  color: rgba(245, 241, 232, 0.7);
  font-size: 0.95rem;
  margin-top: 1rem;
  max-width: 32ch;
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.775rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-sand);
  margin-bottom: 1.5rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: rgba(245, 241, 232, 0.75);
}

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

.footer-disclaimer {
  padding: 2.5rem 0;
  border-bottom: 1px solid rgba(245, 241, 232, 0.1);
  font-size: 0.85rem;
  color: rgba(245, 241, 232, 0.55);
  line-height: 1.6;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  font-size: 0.825rem;
  color: rgba(245, 241, 232, 0.5);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-legal-links {
  display: flex;
  gap: 1.5rem;
}

/* ==========================================================================
   Article Detail & Subpage Layouts
   ========================================================================== */

.page-header {
  padding-top: calc(var(--header-height) + 3.5rem);
  padding-bottom: 4rem;
  background-color: var(--color-paper-light);
  border-bottom: 1px solid var(--color-border);
}

.article-content {
  padding: 5rem 0;
}

.article-body {
  font-size: 1.15rem;
  line-height: 1.75;
  color: var(--color-graphite);
}

.article-body h2 {
  font-size: 1.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  margin: 3rem 0 1.25rem;
  color: var(--color-graphite);
}

.article-body h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 2rem 0 1rem;
}

.article-body p {
  margin-bottom: 1.5rem;
}

.article-body ul {
  margin-bottom: 1.75rem;
  padding-left: 1.5rem;
}

.article-body li {
  margin-bottom: 0.5rem;
}

/* ==========================================================================
   Modal Dialog for Exercise Detail
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(23, 23, 26, 0.7);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

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

.modal-dialog {
  background-color: var(--color-paper-light);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 3rem;
  position: relative;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.modal-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 1.75rem;
  line-height: 1;
  color: var(--color-graphite-muted);
}

.modal-close-btn:hover {
  color: var(--color-graphite);
}

/* ==========================================================================
   Responsive Breakpoints (Mobile First to Desktop)
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .spotlight-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .causes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .routine-display-box {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .main-nav, .header-cta-btn {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
  .causes-grid {
    grid-template-columns: 1fr;
  }
  .routine-steps-nav {
    grid-template-columns: repeat(3, 1fr);
  }
  .ribbon-steps {
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
  }
  .ribbon-steps::before {
    display: none;
  }
  .hero-badge {
    position: static;
    margin-top: 1.5rem;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .container {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }
}

/* Reduced motion preference */
@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;
  }
}