@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;600&family=Oswald:wght@400;700&display=swap');

:root {
  --skeleton-bg: #0D1117;
  --skeleton-surface: #161B22;
  --skeleton-tone: #21262D;
  --skeleton-tone-hover: #30363D;
  --skeleton-ink: #E6EDF3;
  --skeleton-accent: #00E5FF;
  --skeleton-accent-dark: #00B3CC;
  --font-display: 'Oswald', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  --space-y: 10dvh;
  --radius: 16px;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background-color: var(--skeleton-bg);
  color: var(--skeleton-ink);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  text-transform: uppercase;
  margin-top: 0;
  color: #fff;
}

a {
  color: var(--skeleton-accent);
  text-decoration: none;
}

.articular-top-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--skeleton-surface);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 5%;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}

.articular-brand a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
}

.articular-paths {
  display: flex;
  gap: 2rem;
}

.articular-paths a {
  color: var(--skeleton-ink);
  font-weight: 600;
  transition: color 0.3s;
}

.articular-paths a:hover {
  color: var(--skeleton-accent);
}

.articular-path-toggle {
  display: none;
}

.articular-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.articular-hamburger span {
  width: 25px;
  height: 3px;
  background: #fff;
  border-radius: 2px;
}

@media (max-width: 768px) {
  .articular-paths {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--skeleton-tone);
    flex-direction: column;
    padding: 1rem 0;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
  }
  .articular-path-toggle:checked ~ .articular-paths {
    display: flex;
  }
  .articular-hamburger {
    display: flex;
  }
}

.flexibility-intro {
  height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 1rem;
}

.flexibility-intro.minimal-intro {
  height: 50vh;
  background-size: cover;
  background-position: center;
}

.flexibility-intro-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.flexibility-intro-bg::after,
.flexibility-intro.minimal-intro::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.55);
}

.flexibility-intro-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.flexibility-heading {
  font-size: clamp(2rem, 5vw, 4.5rem);
  margin-bottom: 1rem;
}

.flexibility-subhd {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  color: #fff;
  font-weight: 600;
}

.flexibility-action {
  display: inline-block;
  background: var(--skeleton-accent);
  color: var(--skeleton-bg);
  padding: 1rem 2.5rem;
  border-radius: 999px;
  font-weight: bold;
  text-transform: uppercase;
  transition: background 0.3s, transform 0.3s;
}

.flexibility-action:hover {
  background: var(--skeleton-accent-dark);
  transform: translateY(-2px);
}

.stiffness-stats-ribbon {
  display: flex;
  justify-content: center;
  gap: 2rem;
  position: relative;
  margin-top: -60px;
  z-index: 10;
  padding: 0 1rem;
  flex-wrap: wrap;
}

.stiffness-stat-box {
  background: var(--skeleton-tone);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
  text-align: center;
  min-width: 200px;
  border-bottom: 3px solid var(--skeleton-accent);
}

.stiffness-stat-box strong {
  display: block;
  font-size: 3rem;
  font-family: var(--font-display);
  color: var(--skeleton-accent);
  line-height: 1;
}

.cartilage-zigzag-wrap {
  padding: var(--space-y) 5%;
}

.cartilage-zig-pane {
  display: flex;
  align-items: center;
  gap: 4rem;
  margin-bottom: 4rem;
}

.cartilage-zig-pane.cartridge-reverse {
  flex-direction: row-reverse;
}

.cartilage-zig-img {
  flex: 1;
  height: 50vh;
  background-size: cover;
  background-position: center;
  border-radius: var(--radius);
}

.cartilage-zig-pane:not(.cartridge-reverse) .cartilage-zig-img {
  clip-path: polygon(0 0, 100% 0, 85% 100%, 0 100%);
}

.cartilage-zig-pane.cartridge-reverse .cartilage-zig-img {
  clip-path: polygon(15% 0, 100% 0, 100% 100%, 0 100%);
}

.cartilage-zig-words {
  flex: 1;
}

@media (max-width: 768px) {
  .cartilage-zig-pane, .cartilage-zig-pane.cartridge-reverse {
    flex-direction: column;
  }
  .cartilage-zig-img {
    width: 100%;
    clip-path: none !important;
  }
}

.synovial-traits-layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  padding: var(--space-y) 5%;
  background: var(--skeleton-surface);
}

.synovial-trait-item {
  background: var(--skeleton-tone);
  padding: 2rem;
  border-left: 4px solid var(--skeleton-accent);
  border-radius: var(--radius);
  transition: transform 0.3s, box-shadow 0.3s;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}

.synovial-trait-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.6);
}

.synovial-trait-item svg {
  margin-bottom: 1rem;
}

.posture-timeline-path {
  position: relative;
  padding: var(--space-y) 5%;
}

.posture-timeline-line {
  position: absolute;
  left: 50%;
  top: var(--space-y);
  bottom: var(--space-y);
  width: 2px;
  background: var(--skeleton-tone);
  transform: translateX(-50%);
}

.posture-timeline-step {
  display: flex;
  align-items: center;
  position: relative;
  margin-bottom: 3rem;
  width: 100%;
}

.step-space {
  flex: 1;
}

.step-content {
  flex: 1;
  padding: 1.5rem 2rem;
  background: var(--skeleton-surface);
  border-radius: var(--radius);
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}

.step-circle {
  width: 50px;
  height: 50px;
  background: var(--skeleton-accent);
  color: var(--skeleton-bg);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: bold;
  margin: 0 2rem;
  z-index: 2;
}

.posture-timeline-step.left {
  flex-direction: row-reverse;
}

.posture-timeline-step.left .step-content {
  text-align: right;
}

@media (max-width: 768px) {
  .posture-timeline-step, .posture-timeline-step.left {
    flex-direction: row;
  }
  .step-space {
    display: none;
  }
  .posture-timeline-line {
    left: calc(5% + 25px);
    transform: none;
  }
  .step-circle {
    margin: 0 1rem 0 0;
    min-width: 50px;
  }
  .posture-timeline-step.left .step-content {
    text-align: left;
  }
}

.motion-invite-banner {
  position: relative;
  padding: var(--space-y) 5%;
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
  text-align: center;
}

.motion-invite-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.65);
}

.motion-invite-inner {
  position: relative;
  z-index: 2;
}

.booking-zone-wrap {
  padding: var(--space-y) 5%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3rem;
}

.booking-cards-zone {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: center;
}

.booking-info-item {
  background: var(--skeleton-surface);
  padding: 2rem;
  border-radius: var(--radius);
  max-width: 320px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}

.booking-bullet-points {
  list-style: none;
  padding: 0;
}

.booking-bullet-points li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.booking-bullet-points li span {
  width: 10px;
  height: 10px;
  background: var(--skeleton-accent);
  border-radius: 50%;
  flex-shrink: 0;
}

.articular-booking-box {
  background: var(--skeleton-tone);
  padding: 3rem;
  border-radius: var(--radius);
  max-width: 600px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}

.articular-booking-box input,
.articular-booking-box textarea {
  width: 100%;
  padding: 1rem;
  background: var(--skeleton-surface);
  border: 1px solid var(--skeleton-tone-hover);
  color: var(--skeleton-ink);
  border-radius: 4px;
  font-family: inherit;
  box-sizing: border-box;
}

.articular-booking-box input:focus,
.articular-booking-box textarea:focus {
  outline: none;
  border-color: var(--skeleton-accent);
}

.articular-consent {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.booking-faq-zone {
  padding: var(--space-y) 5%;
  background: var(--skeleton-surface);
}

.faq-item {
  background: var(--skeleton-tone);
  margin-bottom: 1rem;
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.faq-item h3 {
  color: var(--skeleton-accent);
  margin-bottom: 0.5rem;
}

.faq-item p {
  margin: 0;
}

.skeletal-bottom-info {
  background: var(--skeleton-surface);
  padding: 4rem 5%;
  text-align: center;
  border-top: 1px solid var(--skeleton-tone);
}

.skeletal-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 2rem;
}

.skeletal-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.skeletal-links a {
  color: var(--skeleton-ink);
}

.skeletal-links a:hover {
  color: var(--skeleton-accent);
}

.skeletal-disclaimer {
  font-size: 0.85rem;
  color: var(--skeleton-tone-hover);
  margin-bottom: 1rem;
}

.skeletal-copyright {
  font-size: 0.85rem;
  color: var(--skeleton-tone-hover);
}

.mobility-cookie-notice {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--skeleton-tone);
  padding: 1.5rem 5%;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  z-index: 9999;
  box-shadow: 0 -4px 12px rgba(0,0,0,0.4);
}

.mobility-cookie-notice p {
  margin: 0;
  flex: 1;
}

.cookie-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.flexibility-action.outline {
  background: transparent;
  border: 2px solid var(--skeleton-accent);
  color: var(--skeleton-accent);
}

.flexibility-action.outline:hover {
  background: var(--skeleton-accent);
  color: var(--skeleton-bg);
}

.legal-document-wrap {
  padding: var(--space-y) 5%;
  max-width: 800px;
  margin: 0 auto;
  min-height: 100vh;
}

.legal-document-wrap h1,
.legal-document-wrap h2 {
  color: var(--skeleton-accent);
}

.gratitude-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1rem;
  background-size: cover;
  background-position: center;
  position: relative;
}

.gratitude-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.7);
}

.gratitude-content {
  position: relative;
  z-index: 2;
  background: var(--skeleton-tone);
  padding: 4rem 2rem;
  border-radius: var(--radius);
  max-width: 600px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.6);
}

@media (max-width: 600px) {
  .mobility-cookie-notice {
    flex-direction: column;
    text-align: center;
  }
}