/* "the other skyline" (NYC 311 page): line-art boroughs, a spike per zip code, morphing through four complaint types */
main.has-intro { padding-top: 0; }
.sky311 { position: relative; height: 760vh; margin-bottom: 12vh; }
.sky-sticky { position: sticky; top: 0; height: 100vh; overflow: hidden; background: #fff; }
.sky-copy { position: absolute; z-index: 2; left: var(--pad); width: 34%; top: 50%; transform: translateY(-50%); height: 340px; }
.sky-act { position: absolute; left: 0; top: 0; right: 0; opacity: 0; transform: translateY(14px); pointer-events: none;
  transition: opacity .7s var(--ease), transform .7s var(--ease); }
.sky-act.on { opacity: 1; transform: none; pointer-events: auto; }
.sky-act h2 { font-size: clamp(30px, 3.6vw, 56px); font-weight: 500; letter-spacing: -0.035em; line-height: 1; margin-bottom: 14px; }
.sky-act p { font-size: clamp(15px, 1.25vw, 18px); line-height: 1.38; color: var(--muted); }
.sky-act p b { color: var(--text); font-weight: 500; }
.sky-map { position: absolute; left: 38%; right: var(--pad); top: 70px; bottom: 40px; }
.sky-map svg { display: block; overflow: visible; }
.sky-boros path { fill: none; stroke: #9a978f; stroke-width: .9; stroke-linejoin: round; vector-effect: non-scaling-stroke;
  stroke-dasharray: 1; stroke-dashoffset: 1; }
.sky-map { touch-action: pan-y; }                    /* one finger scrolls the page; two fingers belong to the map */
/* solid, round-capped lines (like the dissertation timeline): one per zip code, in the 311 colors */
.sky-tags { pointer-events: none; transition: opacity .3s; }
.sky-tags path { fill: none; stroke: var(--text); stroke-width: .8; }
.sky-tags text { font-size: 11px; font-weight: 600; fill: var(--text); paint-order: stroke; stroke: #fff; stroke-width: 3px; stroke-linejoin: round; font-variant-numeric: tabular-nums; }
.sky-spikes path { fill: none; stroke-linecap: round; stroke-opacity: .88; pointer-events: none; transition: opacity .3s; }
.sky311.is-live .sky-spikes path { pointer-events: stroke; cursor: pointer; }
.sky311.is-live .sky-spikes path:hover { stroke-opacity: 1; filter: brightness(.85); }
/* zoom buttons (explore step) */
.sky-zoom { position: absolute; left: 0; bottom: 0; z-index: 3; display: flex; align-items: center; gap: 6px; opacity: 0; pointer-events: none; transition: opacity .4s; }
.sky311.is-live .sky-zoom { opacity: 1; pointer-events: auto; }
.sky-zoom button { font: inherit; font-size: 16px; line-height: 1; width: 30px; height: 30px; border: 1px solid var(--text); background: #fff; color: var(--text); cursor: pointer; }
.sky-zoom button:hover { background: var(--text); color: #fff; }
.sky-zoom .zr { width: auto; padding: 0 10px; font-size: 12px; display: none; }
.sky-zoom.zoomed .zr { display: block; }
.sky-zoom .zh { font-size: 12px; color: var(--muted); margin-left: 4px; display: none; }
@media (hover: none) { .sky-zoom .zh { display: inline; } .sky-zoom.zoomed .zh { display: none; } }
.sky-tip { position: absolute; z-index: 3; pointer-events: none; background: var(--text); color: var(--bg); font-size: 12px; line-height: 1.4;
  padding: 6px 9px 7px; white-space: nowrap; opacity: 0; transform: translate(-50%, calc(-100% - 8px)); transition: opacity .2s; }
.sky-tip.show { opacity: 1; }
.sky-tip span { opacity: .6; } .sky-tip span.on { opacity: 1; font-weight: 700; }
/* scale key: a bar as tall as the tallest possible spike, and what it stands for */
.sky-key { position: absolute; right: var(--pad); bottom: 40px; display: flex; align-items: flex-end; gap: 10px; font-size: 12px; color: var(--muted);
  opacity: 0; transition: opacity .5s; text-align: right; }
.sky-key.show { opacity: 1; }
.sky-key b { color: var(--text); font-weight: 600; }
.sky-key i { order: 2; display: block; width: 1px; background: var(--text); transition: height .5s var(--ease); }
.sky-picks { display: flex; flex-direction: column; gap: 8px; margin-top: 18px; }
.sky-picks button { font: inherit; font-size: 14px; text-transform: inherit; background: none; border: 0; padding: 0; color: var(--muted);
  cursor: pointer; text-align: left; transition: color .25s; }
.sky-picks button i { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 8px; vertical-align: 0; }
.sky-picks button i.all { width: auto; height: auto; border-radius: 0; display: inline-flex; gap: 2px; vertical-align: -1px; }
.sky-picks button i.all b { display: block; width: 3px; height: 10px; border-radius: 2px; }
.sky-picks button.on, .sky-picks button:hover { color: var(--text); }
.sky-picks button.on { font-weight: 700; }
.sky-hint { position: absolute; right: var(--pad); bottom: 22px; transition: opacity .4s; }
.sky311.started .sky-hint { opacity: 0; }
@media (max-width: 760px) {
  .sky-copy { width: auto; right: var(--pad); top: 92px; transform: none; height: 190px; }
  .sky-act h2 { font-size: 28px; }
  .sky-act p { font-size: 14px; }
  .sky-picks { flex-direction: row; flex-wrap: wrap; gap: 6px 14px; margin-top: 10px; }
  .sky-picks button { font-size: 12px; }
  .sky-map { left: var(--pad); top: 270px; bottom: 60px; }
  .sky-key { bottom: 48px; }
  .sky-zoom { bottom: auto; top: 0; }
}