/* ============================================
   KineAI — Design System
   ============================================ */
:root {
  --teal: #0A6E6E;
  --teal-light: #0D8A8A;
  --teal-dark: #064F4F;
  --mint: #00E5A0;
  --mint-dim: rgba(0, 229, 160, 0.15);
  --coral: #FF4D6A;
  --coral-dim: rgba(255, 77, 106, 0.12);
  --amber: #F59E0B;
  --navy: #0B1628;
  --navy-mid: #152238;
  --slate: #64748B;
  --slate-light: #94A3B8;
  --bg: #F8FAFB;
  --bg-alt: #EEF2F6;
  --white: #FFFFFF;
  --border: rgba(10, 110, 110, 0.12);
  --shadow: 0 4px 24px rgba(11, 22, 40, 0.08);
  --shadow-lg: 0 20px 60px rgba(11, 22, 40, 0.12);
  --radius: 16px;
  --radius-sm: 10px;
  --font: "IBM Plex Sans Arabic", "Segoe UI", Tahoma, sans-serif;
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--navy);
  line-height: 1.7;
  font-weight: 400;
  overflow-x: hidden;
}

body.is-locked {
  overflow: hidden;
}

.container {
  width: min(1140px, 92vw);
  margin-inline: auto;
}

/* ---- Typography ---- */
h1, h2, h3 {
  line-height: 1.3;
  font-weight: 700;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: 1.15rem; }

.gradient-text {
  background: linear-gradient(135deg, var(--teal) 0%, var(--mint) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--teal);
  color: var(--white);
  border-color: var(--teal);
}

.btn-primary:hover {
  background: var(--teal-light);
  border-color: var(--teal-light);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(10, 110, 110, 0.3);
}

.btn-ghost {
  background: transparent;
  color: var(--navy);
  border-color: var(--border);
}

.btn-ghost:hover {
  border-color: var(--teal);
  color: var(--teal);
}

.btn-sm { padding: 8px 18px; font-size: 0.875rem; }
.btn-lg { padding: 14px 32px; font-size: 1rem; }

/* ---- Header ---- */
.header {
  position: fixed;
  top: 0;
  inset-inline: 0;
  z-index: 100;
  background: rgba(248, 250, 251, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}

.header.is-scrolled {
  box-shadow: var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--navy);
  flex-shrink: 0;
}

.logo-icon {
  width: 36px;
  height: 36px;
  color: var(--teal);
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo-accent {
  color: var(--teal);
}

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

.nav a {
  text-decoration: none;
  color: var(--slate);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}

.nav a:hover {
  color: var(--teal);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-btn {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 12px;
  font-family: var(--font);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--slate);
  cursor: pointer;
  transition: all var(--transition);
}

.lang-btn:hover {
  border-color: var(--teal);
  color: var(--teal);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: all var(--transition);
}

.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); }

/* ---- Hero ---- */
.hero {
  position: relative;
  padding: 140px 0 80px;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
}

.hero-orb--1 {
  width: 500px;
  height: 500px;
  background: var(--mint);
  top: -100px;
  inset-inline-start: -100px;
}

.hero-orb--2 {
  width: 400px;
  height: 400px;
  background: var(--teal);
  bottom: -50px;
  inset-inline-end: -80px;
  opacity: 0.2;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(10, 110, 110, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 110, 110, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
}

.hero-grid-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
}

.hero-content {
  max-width: 560px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--mint-dim);
  border: 1px solid rgba(0, 229, 160, 0.3);
  color: var(--teal-dark);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--mint);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--slate);
  margin: 20px 0 32px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.hero-stat strong {
  display: block;
  font-size: 1.4rem;
  color: var(--teal);
  font-weight: 700;
}

.hero-stat span {
  font-size: 0.82rem;
  color: var(--slate);
}

.hero-stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* ---- Phone Mockup ---- */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.phone-mockup {
  width: 260px;
  background: var(--navy);
  border-radius: 36px;
  padding: 12px;
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 2;
}

.phone-notch {
  width: 80px;
  height: 6px;
  background: rgba(255,255,255,0.15);
  border-radius: 3px;
  margin: 0 auto 10px;
}

.phone-screen {
  background: #0D1B2E;
  border-radius: 26px;
  overflow: hidden;
  aspect-ratio: 9/16;
  display: flex;
  flex-direction: column;
}

.phone-status {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px 8px;
  font-size: 0.72rem;
}

.status-safe {
  color: var(--mint);
  font-weight: 600;
}

.status-exercise {
  color: var(--slate-light);
}

.pose-canvas {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 16px;
}

.pose-svg {
  width: 100%;
  max-width: 160px;
}

.joint-points circle {
  animation: jointPulse 2s ease-in-out infinite;
}

@keyframes jointPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.angle-label {
  position: absolute;
  bottom: 20px;
  inset-inline-end: 16px;
  background: rgba(0, 229, 160, 0.15);
  border: 1px solid rgba(0, 229, 160, 0.4);
  border-radius: 8px;
  padding: 6px 10px;
  text-align: center;
}

.angle-label span {
  display: block;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--mint);
}

.angle-label small {
  font-size: 0.65rem;
  color: var(--slate-light);
}

.phone-alert {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  font-size: 0.72rem;
  font-weight: 500;
}

.phone-alert--safe {
  background: rgba(0, 229, 160, 0.12);
  color: var(--mint);
  border-top: 1px solid rgba(0, 229, 160, 0.2);
}

.float-card {
  position: absolute;
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-lg);
  font-size: 0.82rem;
  z-index: 3;
  animation: floatCard 4s ease-in-out infinite;
}

.float-card--alert {
  top: 20%;
  inset-inline-start: -60px;
  animation-delay: 0s;
}

.float-card--safe {
  bottom: 15%;
  inset-inline-end: -70px;
  animation-delay: 2s;
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.float-card-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.float-card-icon--red {
  background: var(--coral-dim);
  color: var(--coral);
}

.float-card-icon--green {
  background: var(--mint-dim);
  color: var(--teal);
}

.float-card strong {
  display: block;
  font-size: 0.82rem;
  color: var(--navy);
}

.float-card p {
  font-size: 0.75rem;
  color: var(--slate);
  margin: 0;
}

/* ---- Sections ---- */
.section {
  padding: 96px 0;
}

.section--alt {
  background: var(--bg-alt);
}

.section--dark {
  background: var(--navy);
  color: var(--white);
}

.section-header {
  margin-bottom: 56px;
}

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

.section-header--center .section-desc {
  margin-inline: auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 12px;
}

.section-tag--light {
  color: var(--mint);
}

.section-desc {
  color: var(--slate);
  font-size: 1.05rem;
  max-width: 560px;
  margin-top: 12px;
}

.section--dark .section-desc {
  color: var(--slate-light);
}

/* ---- Cards ---- */
.cards-grid {
  display: grid;
  gap: 24px;
}

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

.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  margin-bottom: 20px;
}

.card-icon--red { background: var(--coral-dim); color: var(--coral); }
.card-icon--orange { background: rgba(245, 158, 11, 0.12); color: var(--amber); }
.card-icon--blue { background: rgba(10, 110, 110, 0.1); color: var(--teal); }

.card h3 {
  margin-bottom: 10px;
  color: var(--navy);
}

.card p {
  color: var(--slate);
  font-size: 0.95rem;
}

/* ---- Split Layout ---- */
.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.check-list {
  list-style: none;
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: rgba(255,255,255,0.85);
}

.check-list li::before {
  content: "✓";
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  background: var(--mint-dim);
  color: var(--mint);
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ---- Alert Demo ---- */
.alert-demo {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.alert-demo-item {
  display: flex;
  gap: 16px;
  background: var(--navy-mid);
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.06);
}

.alert-demo-bar {
  width: 4px;
  flex-shrink: 0;
}

.alert-demo-item--green .alert-demo-bar { background: var(--mint); }
.alert-demo-item--red .alert-demo-bar { background: var(--coral); }
.alert-demo-item--audio .alert-demo-bar { background: var(--amber); }

.alert-demo-content {
  padding: 16px 16px 16px 0;
}

.alert-demo-label {
  display: block;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.alert-demo-item--green .alert-demo-label { color: var(--mint); }
.alert-demo-item--red .alert-demo-label { color: var(--coral); }
.alert-demo-item--audio .alert-demo-label { color: var(--amber); }

.alert-demo-content p {
  font-size: 0.85rem;
  color: var(--slate-light);
}

/* ---- Steps ---- */
.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 720px;
  margin-inline: auto;
}

.step {
  display: flex;
  gap: 28px;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
  position: relative;
}

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

.step-num {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--mint-dim);
  color: rgba(10, 110, 110, 0.15);
  line-height: 1;
  flex-shrink: 0;
  width: 60px;
}

.step-body h3 {
  margin-bottom: 8px;
  color: var(--navy);
}

.step-body p {
  color: var(--slate);
  font-size: 0.95rem;
}

/* ---- Conditions ---- */
.condition-badge {
  display: inline-block;
  background: var(--mint-dim);
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.condition-badge--back {
  background: rgba(10, 110, 110, 0.1);
  color: var(--teal-dark);
}

.condition-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.condition-tags li {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 4px 12px;
  font-size: 0.78rem;
  color: var(--slate);
  font-weight: 500;
}

/* ---- Advantage ---- */
.advantage-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: center;
}

.advantage-circle {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--mint-dim) 0%, rgba(10,110,110,0.08) 100%);
  border: 2px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-inline: auto;
}

.advantage-half {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.1rem;
}

.advantage-half--tech { color: var(--teal); }
.advantage-half--medical { color: var(--coral); }

.advantage-divider {
  font-size: 2rem;
  font-weight: 300;
  color: var(--slate-light);
  line-height: 1;
}

.advantage-quote {
  margin-top: 28px;
  padding: 20px 24px;
  background: var(--bg-alt);
  border-inline-start: 4px solid var(--teal);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.advantage-quote p {
  font-size: 1rem;
  font-style: italic;
  color: var(--navy);
  font-weight: 500;
}

/* ---- Roadmap ---- */
.roadmap {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 720px;
  margin-inline: auto;
  position: relative;
}

.roadmap::before {
  content: "";
  position: absolute;
  inset-inline-start: 23px;
  top: 24px;
  bottom: 24px;
  width: 2px;
  background: var(--border);
}

.roadmap-item {
  display: flex;
  gap: 28px;
  padding: 28px 0;
  position: relative;
}

.roadmap-marker {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--border);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 1rem;
  color: var(--slate);
  flex-shrink: 0;
  z-index: 1;
}

.roadmap-item--active .roadmap-marker {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--white);
  box-shadow: 0 0 0 6px rgba(10, 110, 110, 0.15);
}

.roadmap-phase {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.roadmap-body h3 {
  margin: 6px 0 8px;
  color: var(--navy);
}

.roadmap-body p {
  color: var(--slate);
  font-size: 0.92rem;
}

.roadmap-status {
  display: inline-block;
  margin-top: 10px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--mint);
  background: var(--mint-dim);
  padding: 4px 12px;
  border-radius: 100px;
}

/* ---- Pricing ---- */
.pricing-grid {
  max-width: 800px;
  margin-inline: auto;
}

.card--pricing {
  display: flex;
  flex-direction: column;
}

.card--pricing-featured {
  border-color: var(--teal);
  box-shadow: 0 0 0 1px var(--teal), var(--shadow-lg);
}

.pricing-badge {
  display: inline-block;
  background: var(--bg-alt);
  color: var(--slate);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
  align-self: flex-start;
}

.pricing-badge--featured {
  background: var(--mint-dim);
  color: var(--teal);
}

.pricing-desc {
  color: var(--slate);
  font-size: 0.92rem;
  margin: 12px 0 24px;
  flex: 1;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--navy);
}

.pricing-features li::before {
  content: "✓";
  color: var(--teal);
  font-weight: 700;
}

.card--pricing .btn {
  align-self: flex-start;
}

/* ---- CTA ---- */
.cta-section {
  padding-bottom: 96px;
}

.cta-box {
  background: linear-gradient(135deg, var(--teal-dark) 0%, var(--teal) 60%, var(--teal-light) 100%);
  border-radius: 24px;
  padding: 56px;
  color: var(--white);
}

.cta-content {
  text-align: center;
  margin-bottom: 36px;
}

.cta-content h2 {
  margin-bottom: 12px;
}

.cta-content p {
  color: rgba(255,255,255,0.8);
  max-width: 480px;
  margin-inline: auto;
}

.cta-form {
  max-width: 640px;
  margin-inline: auto;
}

.form-row {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
}

.cta-form input,
.cta-form select {
  flex: 1;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  border: 2px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.1);
  color: var(--white);
  font-family: var(--font);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition);
}

.cta-form input::placeholder {
  color: rgba(255,255,255,0.5);
}

.cta-form input:focus,
.cta-form select:focus {
  border-color: var(--mint);
}

.cta-form select {
  cursor: pointer;
}

.cta-form select option {
  background: var(--navy);
  color: var(--white);
}

.cta-form .btn-primary {
  background: var(--mint);
  border-color: var(--mint);
  color: var(--navy);
  flex-shrink: 0;
}

.cta-form .btn-primary:hover {
  background: var(--white);
  border-color: var(--white);
}

.form-success {
  text-align: center;
  color: var(--mint);
  font-weight: 600;
  margin-top: 12px;
  font-size: 0.95rem;
}

/* ---- Camera Demo ---- */
.camera-section .section-desc {
  color: var(--slate-light);
}

.camera-wrapper {
  max-width: 680px;
  margin-inline: auto;
}

/* ---- Therapy flow ---- */
.therapy-panel {
  max-width: 720px;
  margin: 0 auto 32px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(0, 229, 160, 0.15);
  border-radius: 20px;
  scroll-margin-top: 100px;
}

.therapy-steps-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
  justify-content: center;
}

.therapy-step {
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.06);
  color: var(--slate-light);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.therapy-step.is-active {
  background: rgba(0, 229, 160, 0.15);
  color: var(--mint);
  border-color: rgba(0, 229, 160, 0.4);
}

.therapy-label {
  display: block;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 12px;
}

.therapy-search-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.therapy-input {
  flex: 1;
  min-width: 200px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(0, 0, 0, 0.3);
  color: var(--white);
  font-family: inherit;
  font-size: 1rem;
}

.therapy-input:focus {
  outline: none;
  border-color: var(--mint);
  box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.15);
}

.therapy-suggestions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  font-size: 0.85rem;
  color: var(--slate-light);
}

.therapy-suggest-chip {
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid rgba(0, 229, 160, 0.3);
  background: rgba(0, 229, 160, 0.08);
  color: var(--mint);
  font-family: inherit;
  font-size: 0.82rem;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.therapy-suggest-chip:hover {
  background: rgba(0, 229, 160, 0.18);
  border-color: var(--mint);
}

.condition-result {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 600;
}

.condition-result--found {
  background: rgba(0, 229, 160, 0.12);
  border: 1px solid rgba(0, 229, 160, 0.35);
  color: var(--mint);
}

.condition-result--none {
  background: rgba(255, 176, 32, 0.1);
  border: 1px solid rgba(255, 176, 32, 0.3);
  color: #FFB020;
}

.exercises-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.exercise-card {
  position: relative;
  display: flex;
  flex-direction: column;
  text-align: start;
  padding: 0;
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.25);
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  font-family: inherit;
  color: inherit;
}

.exercise-card:hover {
  border-color: rgba(0, 229, 160, 0.4);
  transform: translateY(-2px);
}

.exercise-card.is-selected {
  border-color: var(--mint);
  box-shadow: 0 0 0 1px var(--mint), 0 12px 32px rgba(0, 229, 160, 0.15);
}

.exercise-card-badge {
  position: absolute;
  top: 10px;
  inset-inline-start: 10px;
  z-index: 2;
  padding: 4px 10px;
  border-radius: 100px;
  background: rgba(0, 0, 0, 0.65);
  color: var(--mint);
  font-size: 0.72rem;
  font-weight: 700;
}

.exercise-card-img {
  width: 100%;
  height: 180px;
  object-fit: contain;
  object-position: center;
  display: block;
  background: #111F35;
}

.exercise-steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.exercise-step-card {
  margin: 0;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(0, 229, 160, 0.15);
  border-radius: 14px;
  overflow: hidden;
}

.exercise-step-img {
  width: 100%;
  height: 200px;
  object-fit: contain;
  background: #111F35;
  display: block;
}

.exercise-step-card figcaption {
  padding: 12px 14px;
  font-size: 0.88rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.9);
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.exercise-step-num {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--mint);
  color: var(--navy);
  font-weight: 800;
  font-size: 0.82rem;
  display: grid;
  place-items: center;
}

.exercise-preview-img {
  width: 100%;
  max-height: 280px;
  object-fit: cover;
  object-position: center;
  border-radius: 12px;
  margin-bottom: 16px;
  border: 1px solid rgba(0, 229, 160, 0.2);
}

.exercise-card-body {
  padding: 14px 16px;
}

.exercise-card-body h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 6px;
}

.exercise-card-body p {
  font-size: 0.8rem;
  color: var(--slate-light);
  line-height: 1.5;
}

.exercise-steps {
  margin-top: 20px;
  padding: 20px;
  background: rgba(0, 229, 160, 0.06);
  border: 1px solid rgba(0, 229, 160, 0.2);
  border-radius: var(--radius-sm);
}

.exercise-steps h4 {
  color: var(--mint);
  margin-bottom: 12px;
  font-size: 1rem;
}

.exercise-steps ol {
  padding-inline-start: 20px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.8;
  font-size: 0.9rem;
}

.exercise-steps-cta {
  margin-top: 14px;
  font-weight: 600;
  color: var(--mint);
  font-size: 0.9rem;
}

.camera-select-hint {
  margin-top: 16px;
  text-align: center;
  font-weight: 600;
  color: var(--mint);
  font-size: 0.95rem;
}

.camera-launch-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  box-shadow: none;
}

.camera-viewport {
  position: relative;
  background: #0D1B2E;
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 4/3;
  min-height: 320px;
  border: 2px solid rgba(0, 229, 160, 0.2);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
}

.camera-viewport.is-live {
  border-color: rgba(0, 229, 160, 0.6);
}

#camera-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scaleX(-1);
  z-index: 1;
  background: #000;
}

.camera-viewport.is-live #camera-video {
  z-index: 3;
  opacity: 1;
  visibility: visible;
}

#camera-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  z-index: 4;
  transform: scaleX(-1);
}

.camera-viewport.is-live .camera-idle,
.camera-viewport.is-live .camera-loading {
  display: none !important;
}

/* hidden يشتغل — CSS ما يلغيه */
.camera-loading[hidden],
.camera-permission-help[hidden],
.camera-controls[hidden],
.camera-live-ui[hidden],
.camera-idle[hidden],
#camera-launch[hidden],
#camera-start-analyzer[hidden],
#camera-error[hidden] {
  display: none !important;
}

.camera-wrapper.is-live .camera-launch-btn {
  display: none !important;
}

.camera-idle {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  background: rgba(13, 27, 46, 0.92);
  cursor: pointer;
}

.camera-start-btn {
  position: relative;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  border: none;
  background: var(--teal);
  color: var(--white);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: transform 0.2s ease, background 0.2s ease;
  z-index: 1;
}

.camera-start-btn:hover {
  transform: scale(1.06);
  background: var(--teal-light);
}

.camera-start-ring {
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  border: 2px solid rgba(0, 229, 160, 0.4);
  animation: cameraRing 2s ease-out infinite;
}

.camera-start-ring--2 {
  animation-delay: 1s;
}

@keyframes cameraRing {
  0% { transform: scale(0.9); opacity: 0.8; }
  100% { transform: scale(1.4); opacity: 0; }
}

.camera-idle-text {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--white);
}

.camera-idle-hint {
  font-size: 0.82rem;
  color: var(--slate-light);
  max-width: 280px;
  text-align: center;
}

.camera-model-idle {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--amber);
  margin-top: 4px;
}

.camera-model-idle.is-ready { color: var(--mint); }
.camera-model-idle.is-failed { color: var(--coral); }

.camera-points {
  background: rgba(0, 229, 160, 0.2);
  border: 1px solid rgba(0, 229, 160, 0.5);
  backdrop-filter: blur(8px);
  padding: 6px 12px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--mint);
}

.camera-live-ui {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 16px;
}

.camera-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.camera-status {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--mint);
}

.camera-status-dot {
  width: 8px;
  height: 8px;
  background: var(--mint);
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

.camera-exercise {
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.85);
}

.camera-model-status {
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  padding: 6px 12px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
}

.camera-model-status--ready { color: var(--mint); }
.camera-model-status--loading { color: var(--amber); }
.camera-model-status--failed { color: var(--coral); }

.camera-top-bar {
  flex-wrap: wrap;
}

.camera-alert {
  align-self: center;
  width: calc(100% - 32px);
  max-width: 420px;
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  text-align: center;
  backdrop-filter: blur(12px);
  background: rgba(0, 0, 0, 0.75);
  border: 1px solid rgba(0, 229, 160, 0.5);
  color: #fff;
}

.camera-alert--safe {
  background: rgba(0, 229, 160, 0.2);
  border: 1px solid rgba(0, 229, 160, 0.5);
  color: var(--mint);
}

.camera-alert--danger {
  background: rgba(255, 77, 106, 0.2);
  border: 1px solid rgba(255, 77, 106, 0.5);
  color: #FF8FA3;
}

.camera-alert--waiting {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.8);
}

.camera-loading {
  position: absolute;
  inset: 0;
  z-index: 6;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  background: rgba(13, 27, 46, 0.95);
  color: var(--white);
  font-size: 0.9rem;
}

.camera-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(0, 229, 160, 0.2);
  border-top-color: var(--mint);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.camera-error {
  position: absolute;
  bottom: 16px;
  inset-inline: 16px;
  z-index: 7;
  background: rgba(255, 77, 106, 0.9);
  color: var(--white);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  text-align: center;
}

.camera-launch-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  max-width: 420px;
  margin: 20px auto 0;
  padding: 16px 28px;
  font-size: 1.1rem;
  font-weight: 700;
  box-shadow: 0 8px 32px rgba(0, 229, 160, 0.25);
}

.camera-launch-btn svg {
  flex-shrink: 0;
}

.camera-permission-help {
  margin-top: 16px;
  background: rgba(255, 77, 106, 0.08);
  border: 1px solid rgba(255, 77, 106, 0.25);
  border-radius: var(--radius-sm);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.camera-permission-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  text-align: center;
}

.camera-permission-steps {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
  text-align: center;
}

.camera-permission-help .btn {
  align-self: center;
  margin-top: 4px;
}

#camera-loading-msg {
  text-align: center;
  max-width: 280px;
  line-height: 1.6;
}

.camera-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  flex-wrap: wrap;
}

#camera-start-analyzer {
  background: var(--mint);
  border-color: var(--mint);
  color: var(--navy);
  font-weight: 700;
  padding: 12px 24px;
  font-size: 0.95rem;
}

.camera-ctrl {
  color: rgba(255, 255, 255, 0.85) !important;
  border-color: rgba(255, 255, 255, 0.2) !important;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.camera-ctrl:hover {
  border-color: var(--mint) !important;
  color: var(--mint) !important;
}

.camera-ctrl--stop:hover {
  border-color: var(--coral) !important;
  color: var(--coral) !important;
}

@media (max-width: 768px) {
  .camera-viewport {
    aspect-ratio: 3/4;
  }
}

/* ---- Footer ---- */
.footer {
  background: var(--navy);
  color: rgba(255,255,255,0.6);
  padding: 48px 0 32px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 32px;
  align-items: center;
}

.footer-brand .logo {
  color: var(--white);
  margin-bottom: 8px;
}

.footer-brand .logo-icon {
  color: var(--mint);
}

.footer-tagline,
.footer-brand p {
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--mint);
}

.footer-copy {
  text-align: end;
  font-size: 0.82rem;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* ---- Animations ---- */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeUp 0.7s ease forwards;
}

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

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- RTL/LTR ---- */
html[dir="ltr"] .advantage-quote {
  border-inline-start: none;
  border-inline-end: 4px solid var(--teal);
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

html[dir="ltr"] .float-card--alert {
  inset-inline-start: auto;
  inset-inline-end: -60px;
}

html[dir="ltr"] .float-card--safe {
  inset-inline-end: auto;
  inset-inline-start: -70px;
}

html[dir="ltr"] .footer-copy {
  text-align: start;
}

/* ---- Responsive ---- */
@media (max-width: 960px) {
  .hero-grid-layout,
  .split-layout,
  .advantage-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-visual {
    order: -1;
  }

  .float-card--alert { inset-inline-start: -20px; }
  .float-card--safe { inset-inline-end: -20px; }

  .cards-grid--3,
  .cards-grid--2 {
    grid-template-columns: 1fr;
  }

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

  .footer-copy {
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    inset-inline: 0;
    top: 68px;
    background: var(--white);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-110%);
    opacity: 0;
    transition: transform var(--transition), opacity var(--transition);
    pointer-events: none;
  }

  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .menu-toggle {
    display: flex;
  }

  .header-actions .btn-sm {
    display: none;
  }

  .hero {
    padding-top: 110px;
    min-height: auto;
  }

  .form-row {
    flex-direction: column;
  }

  .cta-box {
    padding: 36px 24px;
  }

  .section {
    padding: 64px 0;
  }
}