{
  "motion": {
    "_comment": "Le poids de l'eau (charte §3) — 5 niveaux de masse, max 2 animations simultanées",
    "duration": {
      "goutte": { "$value": "100ms", "$type": "duration", "$description": "滴 — drop : tooltips, badges" },
      "trait":  { "$value": "150ms", "$type": "duration", "$description": "筆 — stroke : boutons, icônes" },
      "lavis":  { "$value": "250ms", "$type": "duration", "$description": "墨 — wash : cards, dropdowns" },
      "vague":  { "$value": "350ms", "$type": "duration", "$description": "波 — wave : modales, sidebars" },
      "maree":  { "$value": "450ms", "$type": "duration", "$description": "潮 — tide : navigation, player" }
    },
    "ease": {
      "goutte": { "$value": "cubic-bezier(0.25, 0.1, 0.25, 1)",  "$type": "cubicBezier" },
      "trait":  { "$value": "cubic-bezier(0.33, 1, 0.68, 1)",    "$type": "cubicBezier", "$description": "Rebond léger" },
      "lavis":  { "$value": "cubic-bezier(0.25, 0.8, 0.25, 1)",  "$type": "cubicBezier" },
      "vague":  { "$value": "cubic-bezier(0.16, 1, 0.3, 1)",     "$type": "cubicBezier" },
      "maree":  { "$value": "cubic-bezier(0.33, 1, 0.68, 1)",    "$type": "cubicBezier" },
      "rebond": { "$value": "cubic-bezier(0.34, 1.56, 0.64, 1)", "$type": "cubicBezier", "$description": "Rebond marqué — accents" }
    }
  }
}