{
  "id": "pinned-chapters",
  "name": "Pinned chapters",
  "kind": "scroll",
  "fits": [
    "section"
  ],
  "trigger": "scroll",
  "cost": "low",
  "webgl": 0,
  "pages": [
    "tech",
    "gaming",
    "software",
    "product",
    "service"
  ],
  "look": "A feature section holds on screen for two screens of scroll while its three steps open one at a time at the left and one frame at the right changes to each step's picture with a short crossfade.",
  "reduced": "Nothing is pinned: from 640px each step is a static row, its text at the left and its visual at the right (at most 30svh tall); on a phone each step stands with its 16:9 visual under it. Two to four steps fit two screens at 1440x900, 1024x768, 820x1180 and 390x844.",
  "phone": "Nothing is pinned: each step stands with its title, two lines and its visual under it.",
  "maxPerPage": 1,
  "weight": 1,
  "needs": {
    "words": "2 to 4 steps, a title and two lines each",
    "pictures": "one picture or screen per step"
  },
  "avoidWith": [
    "closing-lift",
    "line-carries-colour",
    "photo-chapters"
  ],
  "states": {
    "start": {
      "p": 0.08,
      "wait": 900
    },
    "middle": {
      "p": 0.5,
      "wait": 900
    },
    "end": {
      "p": 0.92,
      "wait": 900
    }
  }
}