/* =======================================================
   COACHPOSE.COM — DESIGN SYSTEM
   ======================================================= */

/* 1. DESIGN TOKENS */
:root {
  --color-bg: #04091e;
  --color-surface: #0d1b3e;
  --color-surface-2: #172554;
  --color-border: #1e3a6e;
  --color-primary: #3b82f6;
  --color-primary-light: #60a5fa;
  --color-primary-glow: rgba(59, 130, 246, 0.25);
  --color-accent: #10b981;
  --color-accent-light: #34d399;
  --color-accent-glow: rgba(16, 185, 129, 0.25);
  --color-warning: #f59e0b;
  --color-text: #f1f5f9;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #64748b;
  --color-white: #ffffff;

  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  --shadow-glow-blue: 0 0 40px rgba(59, 130, 246, 0.15);
  --shadow-glow-green: 0 0 40px rgba(16, 185, 129, 0.15);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);

  --transition: 0.2s ease;
  --transition-slow: 0.4s ease;
}

/* 2. RESET & BASE */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* 3. TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.display-1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.display-2 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.headline {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.025em;
}

.subheadline {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-secondary);
  font-weight: 400;
  line-height: 1.7;
}

.gradient-text {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
}

/* 4. LAYOUT */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container--narrow {
  max-width: 800px;
}

.section {
  padding: var(--space-24) 0;
}

.section--sm {
  padding: var(--space-16) 0;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }
.text-center { text-align: center; }
.text-left { text-align: left; }

/* 5. NAVIGATION */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-4) 0;
  transition: background var(--transition), backdrop-filter var(--transition);
}

.nav.scrolled {
  background: rgba(4, 9, 30, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.nav__logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.nav__logo span { color: var(--color-accent-light); }

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__link {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}

.nav__link:hover, .nav__link.active, .nav__link--active {
  color: var(--color-text);
}

.nav__cta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav__mobile {
  display: none;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-6) 0 var(--space-4);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-4);
}

.nav__mobile.open { display: flex; }

.nav__mobile .nav__link {
  font-size: 1rem;
  padding: var(--space-2) 0;
}

/* 6. BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-primary), #1d4ed8);
  color: var(--color-white);
  box-shadow: 0 0 24px var(--color-primary-glow);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 36px rgba(59, 130, 246, 0.4);
}

.btn--accent {
  background: linear-gradient(135deg, var(--color-accent), #059669);
  color: var(--color-white);
  box-shadow: 0 0 24px var(--color-accent-glow);
}

.btn--accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 36px rgba(16, 185, 129, 0.4);
}

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

.btn--ghost:hover {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

.btn--lg {
  padding: 1rem 2.25rem;
  font-size: 1.05rem;
}

.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
}

.btn--block {
  width: 100%;
}

.btn-icon {
  font-size: 1.1em;
  line-height: 1;
}

/* 7. BADGES */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.badge--blue {
  background: rgba(59, 130, 246, 0.15);
  color: var(--color-primary-light);
  border: 1px solid rgba(59, 130, 246, 0.25);
}

.badge--green {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-accent-light);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.badge--amber {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.25);
}

/* 8. CARDS */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: border-color var(--transition), transform var(--transition-slow);
}

.card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
}

.card--accent:hover {
  border-color: var(--color-accent);
}

.card--glass {
  background: rgba(13, 27, 62, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-4);
}

.card__icon--blue {
  background: rgba(59, 130, 246, 0.15);
}

.card__icon--green {
  background: rgba(16, 185, 129, 0.15);
}

.card__icon--amber {
  background: rgba(245, 158, 11, 0.15);
}

.card__icon--purple {
  background: rgba(139, 92, 246, 0.15);
}

.card__title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}

.card__body {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* 9. HERO */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 15% 50%, rgba(30, 58, 138, 0.5) 0%, transparent 70%),
    radial-gradient(ellipse 50% 50% at 85% 20%, rgba(6, 95, 70, 0.4) 0%, transparent 70%),
    radial-gradient(ellipse 80% 40% at 50% 100%, rgba(30, 58, 138, 0.2) 0%, transparent 100%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.hero__label {
  margin-bottom: var(--space-6);
}

.hero__title {
  margin-bottom: var(--space-6);
}

.hero__subtitle {
  margin-bottom: var(--space-8);
  max-width: 520px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 10. POSE SKELETON VISUALIZATION */
.pose-demo {
  position: relative;
  width: 100%;
  max-width: 440px;
  margin: 0 auto;
}

.pose-demo__frame {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  overflow: hidden;
}

.pose-demo__frame::before {
  content: 'LIVE ANALYSIS';
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
}

.pose-demo__frame::after {
  content: '● REC';
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #ef4444;
  animation: blink 1.5s ease-in-out infinite;
}

.skeleton-svg {
  width: 100%;
  height: auto;
}

.skel-line {
  stroke: rgba(59, 130, 246, 0.5);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: drawLine 1.5s ease forwards;
}

.skel-line:nth-child(2) { animation-delay: 0.05s; }
.skel-line:nth-child(3) { animation-delay: 0.1s; }
.skel-line:nth-child(4) { animation-delay: 0.15s; }
.skel-line:nth-child(5) { animation-delay: 0.2s; }
.skel-line:nth-child(6) { animation-delay: 0.25s; }
.skel-line:nth-child(7) { animation-delay: 0.3s; }
.skel-line:nth-child(8) { animation-delay: 0.35s; }
.skel-line:nth-child(9) { animation-delay: 0.4s; }
.skel-line:nth-child(10) { animation-delay: 0.45s; }
.skel-line:nth-child(11) { animation-delay: 0.5s; }
.skel-line:nth-child(12) { animation-delay: 0.55s; }

.joint-dot {
  fill: var(--color-primary-light);
  filter: drop-shadow(0 0 4px var(--color-primary));
  opacity: 0;
  animation: fadeIn 0.3s ease 0.8s forwards;
}

.joint-dot.highlight {
  fill: var(--color-accent-light);
  filter: drop-shadow(0 0 6px var(--color-accent));
  animation: fadeIn 0.3s ease 0.8s forwards, pulseJoint 2s ease-in-out 1.5s infinite;
}

.joint-head {
  fill: none;
  stroke: rgba(59, 130, 246, 0.5);
  stroke-width: 2.5;
  opacity: 0;
  animation: fadeIn 0.5s ease 0.6s forwards;
}

.angle-arc {
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 1.5;
  opacity: 0;
  animation: fadeIn 0.5s ease 1.2s forwards;
}

.angle-text {
  fill: var(--color-accent-light);
  font-size: 10px;
  font-weight: 700;
  font-family: var(--font-sans);
  opacity: 0;
  animation: fadeIn 0.5s ease 1.4s forwards;
}

.scan-line {
  fill: none;
  stroke: linear-gradient(90deg, transparent, var(--color-primary-light), transparent);
  animation: scanDown 3s ease-in-out 0.5s infinite;
}

.scan-rect {
  fill: url(#scanGradient);
  opacity: 0;
  animation: scanDown 3s ease-in-out 0.5s infinite;
}

.analysis-chip {
  fill: rgba(16, 185, 129, 0.15);
  stroke: rgba(16, 185, 129, 0.4);
  stroke-width: 1;
  rx: 4;
  opacity: 0;
  animation: fadeIn 0.5s ease 1.6s forwards;
}

.analysis-chip-text {
  fill: var(--color-accent-light);
  font-size: 9px;
  font-weight: 600;
  font-family: var(--font-sans);
  opacity: 0;
  animation: fadeIn 0.5s ease 1.6s forwards;
}

.pose-demo__cue {
  margin-top: var(--space-4);
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  opacity: 0;
  animation: slideUp 0.5s ease 2s forwards;
}

.pose-demo__cue-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.pose-demo__cue-label::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: blink 1s ease-in-out infinite;
}

.pose-demo__cue p {
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.5;
  font-style: italic;
}

.pose-demo__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-4);
  opacity: 0;
  animation: fadeIn 0.5s ease 2.2s forwards;
}

.stat-chip {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  text-align: center;
}

.stat-chip__value {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-primary-light);
  letter-spacing: -0.03em;
}

.stat-chip__label {
  font-size: 0.65rem;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-top: 2px;
}

/* 11. SECTION HEADERS */
.section-header {
  margin-bottom: var(--space-16);
}

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

.section-header .headline {
  margin-top: var(--space-3);
  margin-bottom: var(--space-4);
}

.section-header .subheadline {
  max-width: 600px;
  margin: 0 auto;
}

/* 12. SPORT CARDS */
.sport-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  overflow: hidden;
  transition: all var(--transition-slow);
}

.sport-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-primary);
}

.sport-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  opacity: 0;
  transition: opacity var(--transition);
}

.sport-card:hover::before { opacity: 1; }

.sport-card__emoji {
  font-size: 2.5rem;
  margin-bottom: var(--space-4);
}

.sport-card__title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: var(--space-3);
  letter-spacing: -0.025em;
}

.sport-card__desc {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.sport-card__bullets {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.sport-card__bullet {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.sport-card__bullet::before {
  content: '✓';
  color: var(--color-accent);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

/* 13. HOW IT WORKS STEPS */
.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-8);
  padding: var(--space-8) 0;
  position: relative;
}

.step:not(:last-child) .step__connector {
  position: absolute;
  left: 39px;
  top: 104px;
  width: 2px;
  height: calc(100% - 64px);
  background: linear-gradient(to bottom, var(--color-primary), transparent);
}

.step__number {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 2px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary-light);
  flex-shrink: 0;
  box-shadow: 0 0 20px var(--color-primary-glow);
}

.step__content {
  padding-top: var(--space-4);
}

.step__title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: var(--space-3);
  letter-spacing: -0.025em;
}

.step__desc {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.step__detail {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.step__detail strong {
  color: var(--color-accent-light);
}

/* 14. COMPARISON TABLE */
.comparison {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.comparison__header {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border);
}

.comparison__header-cell {
  padding: var(--space-4) var(--space-6);
  font-weight: 700;
  font-size: 0.9rem;
}

.comparison__header-cell:first-child {
  color: var(--color-text-muted);
}

.comparison__header-cell:nth-child(2) {
  color: var(--color-text-muted);
  border-left: 1px solid var(--color-border);
}

.comparison__header-cell:nth-child(3) {
  color: var(--color-accent-light);
  border-left: 1px solid var(--color-border);
  background: rgba(16, 185, 129, 0.05);
}

.comparison__row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition);
}

.comparison__row:last-child { border-bottom: none; }

.comparison__row:hover { background: rgba(255,255,255,0.02); }

.comparison__cell {
  padding: var(--space-4) var(--space-6);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.comparison__cell:not(:first-child) {
  border-left: 1px solid var(--color-border);
}

.comparison__cell:first-child {
  color: var(--color-text-secondary);
  font-weight: 500;
}

.comparison__cell:nth-child(2) {
  color: var(--color-text-muted);
}

.comparison__cell:nth-child(3) {
  background: rgba(16, 185, 129, 0.04);
  color: var(--color-text);
  font-weight: 500;
}

.comparison__cell .yes { color: var(--color-accent); font-size: 1rem; }
.comparison__cell .no { color: #ef4444; font-size: 1rem; }

/* 15. AI CUE CARD */
.cue-card {
  background: var(--color-surface);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  position: relative;
  overflow: hidden;
}

.cue-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
}

.cue-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.cue-card__title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.cue-card__title::before {
  content: '';
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}

.cue-card__tone {
  /* badge */
}

.cue-card__text {
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.6;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.cue-card__target {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.cue-card__target::before {
  content: '⟶';
  color: var(--color-primary-light);
  flex-shrink: 0;
}

/* 16. STATS BAR */
.stats-bar {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-10) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  text-align: center;
}

.stat-item__value {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-item__label {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}

/* 17. TESTIMONIALS */
.testimonial {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

.testimonial__quote {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  font-style: italic;
}

.testimonial__quote::before { content: '"'; }
.testimonial__quote::after { content: '"'; }

.testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.testimonial__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.testimonial__name {
  font-weight: 700;
  font-size: 0.9rem;
}

.testimonial__role {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

/* 18. DOWNLOAD SECTION */
.download-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  max-width: 480px;
}

.download-btn {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-6);
  transition: all var(--transition);
}

.download-btn:hover {
  border-color: var(--color-primary);
  background: var(--color-surface-2);
  transform: translateY(-2px);
}

.download-btn__icon {
  font-size: 2rem;
  line-height: 1;
}

.download-btn__text small {
  display: block;
  font-size: 0.65rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.download-btn__text strong {
  display: block;
  font-size: 1rem;
  font-weight: 700;
}

/* 19. CTA SECTION */
.cta-section {
  position: relative;
  padding: var(--space-24) 0;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 50% 50%, rgba(30, 58, 138, 0.4) 0%, transparent 70%);
  pointer-events: none;
}

.cta-box {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-16) var(--space-12);
  text-align: center;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary-light), var(--color-accent-light), transparent);
}

.cta-box .headline {
  margin-bottom: var(--space-4);
}

.cta-box .subheadline {
  margin-bottom: var(--space-8);
}

.cta-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* 20. FAQ */
.faq-item {
  border-bottom: 1px solid var(--color-border);
}

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

.faq-question {
  width: 100%;
  text-align: left;
  padding: var(--space-6) 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  cursor: pointer;
  transition: color var(--transition);
}

.faq-question:hover { color: var(--color-primary-light); }

.faq-chevron {
  font-size: 1.25rem;
  transition: transform var(--transition);
  flex-shrink: 0;
  color: var(--color-text-secondary);
}

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

.faq-answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding-bottom: var(--space-6);
}

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

/* 21. FOOTER */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-16) 0 var(--space-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer__brand p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: var(--space-4);
  max-width: 280px;
}

.footer__col-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__col li a {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer__col li a:hover { color: var(--color-text); }

.footer__bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-8);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer__copyright {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* 22. PAGE HERO VARIANTS */
.page-hero {
  padding: 160px 0 80px;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(30, 58, 138, 0.35) 0%, transparent 70%);
  pointer-events: none;
}

.page-hero__content {
  position: relative;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.page-hero .section-label {
  margin-bottom: var(--space-4);
}

.page-hero .display-2 {
  margin-bottom: var(--space-6);
}

.page-hero .subheadline {
  margin-bottom: var(--space-8);
}

/* 23. FEATURE HIGHLIGHTS */
.feature-highlight {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.feature-highlight.reverse { direction: rtl; }
.feature-highlight.reverse > * { direction: ltr; }

.feature-highlight__visual {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
}

.feature-highlight__label {
  margin-bottom: var(--space-4);
}

.feature-highlight__title {
  margin-bottom: var(--space-4);
}

.feature-highlight__desc {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

.feature-highlight__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.feature-highlight__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.feature-highlight__item-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
  margin-top: 1px;
}

/* 24. ANIMATIONS */
@keyframes drawLine {
  from { stroke-dashoffset: 1000; }
  to { stroke-dashoffset: 0; }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulseJoint {
  0%, 100% { r: 7; filter: drop-shadow(0 0 6px var(--color-accent)); }
  50% { r: 10; filter: drop-shadow(0 0 12px var(--color-accent)); }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

@keyframes scanDown {
  0% { transform: translateY(0); opacity: 0.6; }
  90% { transform: translateY(480px); opacity: 0.6; }
  91% { transform: translateY(0); opacity: 0; }
  100% { opacity: 0; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

.float-anim { animation: float 4s ease-in-out infinite; }

/* 25. RESPONSIVE */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .hero__content { gap: var(--space-10); }
}

@media (max-width: 768px) {
  .container { padding: 0 var(--space-4); }

  .nav__links { display: none; }
  .nav__cta .btn--ghost { display: none; }
  .nav__hamburger { display: flex; }

  .hero__content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__subtitle { margin: 0 auto var(--space-8); }
  .hero__actions { justify-content: center; }

  .hero__visual { order: -1; }
  .pose-demo { max-width: 340px; }

  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }

  .feature-highlight { grid-template-columns: 1fr; }
  .feature-highlight.reverse { direction: ltr; }

  .step { grid-template-columns: 60px 1fr; gap: var(--space-4); }
  .step__number { width: 60px; height: 60px; font-size: 1.2rem; }

  .comparison__header,
  .comparison__row { grid-template-columns: 1fr 1fr 1fr; }
  .comparison__cell { padding: var(--space-3) var(--space-3); font-size: 0.8rem; }

  .footer__grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer__bottom { flex-direction: column; text-align: center; }

  .download-grid { grid-template-columns: 1fr; max-width: 280px; }

  .cta-box { padding: var(--space-10) var(--space-6); }

  .section { padding: var(--space-16) 0; }

  .page-hero { padding: 130px 0 60px; }
}

@media (max-width: 480px) {
  .display-1 { font-size: 2.2rem; }
  .display-2 { font-size: 1.9rem; }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn { text-align: center; }
}