/* time zone · night ride
   near-black ground, warm amber, cool cyan, editorial serif, fine hairlines. */

:root {
  --bg: #0b0d12;
  --bg-2: #10131a;
  --panel: #12151d;
  --ink: #eef0f4;
  --ink-2: #c3c8d3;
  --muted: #8b93a3;
  --line: rgba(255, 255, 255, .08);
  --line-2: rgba(255, 255, 255, .16);
  --amber: #ff8a1f;
  --amber-2: #ffb35c;
  --cyan: #7ad3ff;
  --cyan-2: #b7e6ff;
  --serif: "Instrument Serif", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --maxw: 1320px;
  --gutter: clamp(16px, 4vw, 56px);
  --ease: cubic-bezier(.2, .7, .2, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  background-image:
    radial-gradient(1200px 700px at 78% -10%, rgba(255, 138, 31, .16), transparent 60%),
    radial-gradient(900px 600px at 10% 110%, rgba(122, 211, 255, .09), transparent 60%);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::after {
  content: "";
  position: fixed; inset: 0; pointer-events: none; z-index: 1;
  background: radial-gradient(120% 90% at 50% 50%, transparent 55%, rgba(0, 0, 0, .55) 100%);
}
.grain {
  position: fixed; inset: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 2; opacity: .8; mix-blend-mode: screen;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--amber-2); outline-offset: 3px; border-radius: 4px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.display {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -.01em;
  line-height: 1.02;
  margin: 0;
}
.display em { font-style: italic; color: var(--amber-2); }
h1.display { font-size: clamp(56px, 8.4vw, 132px); }
h2.display { font-size: clamp(38px, 4.6vw, 64px); }

.eyebrow, .kicker {
  font-size: 12px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--muted); margin: 0 0 18px;
}
.kicker { color: var(--amber); }
.lede { font-size: clamp(19px, 1.6vw, 24px); color: var(--ink-2); margin: 22px 0 30px; max-width: 30ch; }
.chapter-lede { font-size: 18px; color: var(--ink-2); margin: 18px 0 26px; max-width: 46ch; }

/* ---------- hero ---------- */
.hero {
  position: relative; z-index: 3;
  min-height: 100svh;
  max-width: var(--maxw); margin: 0 auto; padding: 96px var(--gutter) 60px;
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center;
}
.hero-copy { animation: rise 1.1s var(--ease) both; }
.hero-dial { display: grid; place-items: center; animation: rise 1.1s .15s var(--ease) both; }

.badges { display: flex; flex-wrap: wrap; gap: 8px 10px; margin: 0; }
.badge {
  font-size: 12px; letter-spacing: .06em; text-transform: uppercase;
  color: var(--ink-2); border: 1px solid var(--line-2); border-radius: 999px; padding: 6px 12px;
  transition: border-color .2s, color .2s;
}
.badge:hover { border-color: var(--ink-2); color: var(--ink); text-decoration: none; }
.badge.hot { color: var(--bg); background: var(--amber); border-color: var(--amber); font-weight: 600; }
.badge.hot:hover { background: var(--amber-2); border-color: var(--amber-2); }
.badge.dim { color: var(--muted); }

.scroll-cue {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%);
  width: 26px; height: 42px; border: 1px solid var(--line-2); border-radius: 14px;
}
.scroll-cue span {
  position: absolute; left: 50%; top: 8px; width: 3px; height: 8px; margin-left: -1.5px;
  background: var(--amber); border-radius: 2px; animation: cue 1.8s infinite;
}
@keyframes cue { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(14px); opacity: 0; } 100% { opacity: 0; } }
@keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

/* ---------- the dial ---------- */
.dial { position: relative; width: min(440px, 86vw); aspect-ratio: 1; user-select: none; touch-action: none; }
.dial svg { width: 100%; height: 100%; display: block; overflow: visible; }
.ring-bg { fill: rgba(255, 255, 255, .02); stroke: var(--line); stroke-width: 1; }
.ticks line { stroke: var(--line-2); stroke-width: 1.5; }
.ticks line.major { stroke: var(--ink-2); stroke-width: 2; }
.ring-track { fill: none; stroke: rgba(255, 255, 255, .10); stroke-width: 10; stroke-linecap: round; }
.ring-sweep { fill: none; stroke: url(#sweep); stroke-width: 10; stroke-linecap: round; transition: d .18s var(--ease); }
#presets circle { fill: var(--bg); stroke: var(--ink-2); stroke-width: 2; cursor: pointer; transition: transform .2s var(--ease), stroke .2s, fill .2s; }
#presets circle:hover { stroke: var(--amber-2); }
#presets circle.on { fill: var(--amber); stroke: var(--amber); }
#presets text { fill: var(--muted); font: 600 12px var(--sans); letter-spacing: .06em; pointer-events: none; }
#presets text.on { fill: var(--ink); }
.knob { fill: var(--ink); stroke: var(--amber); stroke-width: 3; cursor: grab; filter: drop-shadow(0 0 10px rgba(255, 138, 31, .8)); }
.dial.dragging .knob { cursor: grabbing; }
.dial-face {
  position: absolute; inset: 0; display: grid; place-content: center; text-align: center; pointer-events: none;
}
.dial-num {
  font-family: var(--serif); font-size: clamp(112px, 24vw, 150px); line-height: .9; letter-spacing: -.03em;
  color: var(--ink); font-variant-numeric: tabular-nums;
}
.dial-unit { font-size: 13px; letter-spacing: .22em; text-transform: uppercase; color: var(--muted); margin-top: 10px; }
.dial-input { pointer-events: auto; margin-top: 10px; display: inline-block; }
.dial-input input {
  width: 84px; background: transparent; color: var(--ink-2); border: 1px solid var(--line-2); border-radius: 8px;
  padding: 6px 8px; font: 500 15px var(--sans); text-align: center;
}
.dial-hint { position: absolute; left: 0; right: 0; bottom: -30px; text-align: center; font-size: 12px; color: var(--muted); margin: 0; letter-spacing: .04em; }

/* ---------- story: narrative + sticky stage ---------- */
.story {
  position: relative; z-index: 3;
  max-width: var(--maxw); margin: 0 auto; padding: 40px var(--gutter) 0;
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr); gap: clamp(28px, 4vw, 64px);
  align-items: start;
}
.narrative { min-width: 0; }
.chapter {
  min-height: 92vh; padding: 12vh 0 10vh; border-top: 1px solid var(--line);
  opacity: .35; transform: translateY(14px); transition: opacity .6s var(--ease), transform .6s var(--ease);
}
.chapter.in { opacity: 1; transform: none; }
.chapter:first-child { border-top: 0; }

.mark { width: 60px; height: 60px; margin-bottom: 22px; }
.glyph { width: 100%; height: 100%; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.glyph circle { fill: var(--bg); }
.glyph-pin { stroke: var(--amber); }
.glyph-pin .pulse { fill: none; stroke: var(--amber); opacity: .35; stroke-width: 1; transform-origin: 32px 26px; animation: pulse 2.6s infinite; }
.glyph-lines { stroke: var(--cyan); }
.glyph-lines .crawl { stroke-dasharray: 6 5; animation: crawl 6s linear infinite; }
.glyph-loop .a { stroke: var(--amber); }
.glyph-loop .b { stroke: var(--cyan); stroke-dasharray: 6 5; animation: crawl 6s linear infinite; }
.glyph-loop .junction { stroke: var(--cyan); }
.glyph-loop .dot { fill: var(--amber); stroke: none; }
.glyph-pin .crawl { stroke-dasharray: 3 4; animation: crawl 8s linear infinite reverse; }
@keyframes crawl { to { stroke-dashoffset: -110; } }
@keyframes pulse { 0% { transform: scale(.6); opacity: .5; } 100% { transform: scale(1.4); opacity: 0; } }

.controls { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 12px; margin: 0 0 12px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.grow { flex: 1 1 260px; }
.field label { font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.search { position: relative; }
input[type="text"], select, input[type="number"] {
  width: 100%; background: var(--panel); color: var(--ink); border: 1px solid var(--line-2); border-radius: 10px;
  padding: 11px 14px; font: 500 15px var(--sans); appearance: none;
}
select { padding-right: 34px; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 18px) 55%, calc(100% - 13px) 55%; background-size: 5px 5px; background-repeat: no-repeat; }
input:focus, select:focus { border-color: var(--amber); outline: none; }
.menu {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0; z-index: 20;
  background: var(--bg-2); border: 1px solid var(--line-2); border-radius: 10px; overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, .5);
}
.menu .hit { display: block; width: 100%; text-align: left; background: none; border: 0; border-bottom: 1px solid var(--line); color: var(--ink); padding: 10px 14px; font: 500 15px var(--sans); cursor: pointer; }
.menu .hit:hover { background: rgba(255, 255, 255, .05); }
.menu .hit .sub { display: block; font-size: 12px; color: var(--muted); font-weight: 400; }

.btn {
  font: 600 14px var(--sans); letter-spacing: .02em; color: var(--bg); background: var(--amber);
  border: 1px solid var(--amber); border-radius: 999px; padding: 11px 18px; cursor: pointer;
  transition: transform .15s var(--ease), background .2s, border-color .2s, color .2s;
}
.btn:hover { background: var(--amber-2); border-color: var(--amber-2); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn.ghost { background: transparent; color: var(--ink-2); border-color: var(--line-2); }
.btn.ghost:hover { color: var(--ink); border-color: var(--ink-2); background: rgba(255, 255, 255, .03); }
.btn.on { background: var(--cyan); border-color: var(--cyan); color: var(--bg); }
.count { font-size: 13px; color: var(--muted); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 6px 0 10px; }
.chip {
  font: 500 13px var(--sans); color: var(--ink-2); background: transparent; border: 1px solid var(--line-2);
  border-radius: 999px; padding: 6px 12px; cursor: pointer; transition: all .2s;
}
.chip:hover { color: var(--ink); border-color: var(--ink-2); }
.chip[aria-pressed="true"] { color: var(--bg); background: var(--ink); border-color: var(--ink); }

.note { font-size: 14px; color: var(--muted); margin: 6px 0 0; }
.note.busy { color: var(--amber-2); }
.note.warn { color: #ff9b8a; }

.kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 30px 0 26px; }
.kpi { border-top: 1px solid var(--line-2); padding-top: 12px; }
.kpi .n { font-family: var(--serif); font-size: clamp(40px, 4.2vw, 60px); line-height: 1; color: var(--ink); font-variant-numeric: tabular-nums; }
.kpi .n small { font-size: .45em; color: var(--muted); margin-left: 2px; }
.kpi .l { font-size: 13px; color: var(--muted); margin-top: 8px; letter-spacing: .02em; }

/* cards */
.list { display: grid; gap: 8px; }
.card {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 16px; align-items: center;
  border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; background: rgba(255, 255, 255, .02);
  cursor: pointer; transition: border-color .2s, background .2s, opacity .3s, transform .2s var(--ease);
}
.card:hover { border-color: var(--line-2); background: rgba(255, 255, 255, .04); }
.card.lead { border-color: rgba(255, 138, 31, .6); box-shadow: inset 0 0 0 1px rgba(255, 138, 31, .25); }
.card.hot { border-color: var(--cyan); }
.card.dimmed { opacity: .35; }
.card[hidden] { display: none; }
.card .name { font-weight: 600; color: var(--ink); grid-column: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card .meta { grid-column: 1; font-size: 13px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: center; }
.card .est { grid-column: 2; grid-row: 1 / span 2; font-family: var(--serif); font-size: 30px; color: var(--ink); white-space: nowrap; text-align: right; }
.card .est small { font-size: 13px; font-family: var(--sans); color: var(--muted); margin-left: 4px; }
.card .go { grid-column: 2; grid-row: 3; justify-self: end; font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--amber-2); }
.card .go:hover { text-decoration: underline; }
.badge-sm { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; border: 1px solid var(--line-2); border-radius: 999px; padding: 2px 8px; color: var(--ink-2); }
.badge-sm.in { border-color: rgba(122, 211, 255, .5); color: var(--cyan-2); }
.badge-sm.fit { border-color: rgba(255, 138, 31, .5); color: var(--amber-2); }
.card.empty { display: block; text-align: center; color: var(--muted); cursor: default; padding: 28px 18px; font-style: italic; }
.loops .card .name { white-space: normal; line-height: 1.35; }
.loops .card .name b { color: var(--muted); font-weight: 500; margin-right: 6px; }
.loops .card .name .b { color: var(--cyan-2); }
.more { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; margin: 14px 0 0; }
.linklike { background: none; border: 0; color: var(--cyan); font: inherit; cursor: pointer; padding: 0; text-decoration: underline; text-underline-offset: 3px; }

/* ---------- the stage (sticky map) ---------- */
.stage { position: sticky; top: 24px; min-width: 0; }
.map-frame {
  position: relative; border-radius: 22px; overflow: hidden; border: 1px solid var(--line-2);
  box-shadow: 0 30px 80px rgba(0, 0, 0, .55), inset 0 0 0 1px rgba(255, 255, 255, .04);
  background: #0e1117;
}
.map { height: min(74vh, 780px); min-height: 560px; background: #0e1117; }
.map::after { content: ""; position: absolute; inset: 0; pointer-events: none; box-shadow: inset 0 0 120px rgba(0, 0, 0, .55); z-index: 450; }
.map svg { width: auto; height: auto; overflow: visible; }
.leaflet-tile-pane { filter: invert(1) hue-rotate(180deg) brightness(.78) contrast(.92) saturate(.55); }
.leaflet-container { font-family: var(--sans); }
.leaflet-control-attribution { background: rgba(11, 13, 18, .7) !important; color: var(--muted) !important; font-size: 10px !important; }
.leaflet-control-attribution a { color: var(--ink-2) !important; }
.leaflet-bar { border: 1px solid var(--line-2) !important; box-shadow: none !important; }
.leaflet-bar a { background: var(--bg-2) !important; color: var(--ink) !important; border-bottom-color: var(--line) !important; }
.map.drawing { cursor: crosshair; }
.map.drawing .leaflet-interactive { cursor: crosshair; }
.progress { position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: rgba(255, 255, 255, .06); z-index: 460; overflow: hidden; }
.progress i { position: absolute; top: 0; bottom: 0; width: 34%; background: linear-gradient(90deg, transparent, var(--amber), transparent); animation: slide 1.1s linear infinite; }
@keyframes slide { from { left: -34%; } to { left: 100%; } }
.mode-pill {
  position: absolute; top: 14px; right: 14px; z-index: 460;
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px; border-radius: 999px;
  background: rgba(11, 13, 18, .78); border: 1px solid var(--line-2); backdrop-filter: blur(8px);
  font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2);
}
.mode-pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 10px var(--amber); }
.mode-pill.lines .dot, .mode-pill.loop .dot { background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
.map-note {
  position: absolute; left: 14px; right: 14px; bottom: 16px; z-index: 460; pointer-events: none;
  font-size: 13px; color: var(--ink-2); text-shadow: 0 1px 8px rgba(0, 0, 0, .9);
}
.map-note:empty { display: none; }
.legend { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 12px 4px 0; font-size: 12px; color: var(--muted); letter-spacing: .04em; }
.legend .sw { display: inline-block; width: 18px; height: 3px; border-radius: 2px; vertical-align: middle; margin-right: 6px; }
.legend .sw.amber { background: var(--amber); box-shadow: 0 0 8px var(--amber); }
.legend .sw.cyan { background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
.legend .sw.cyan.dashed { background: repeating-linear-gradient(90deg, var(--cyan) 0 4px, transparent 4px 7px); box-shadow: none; }
.legend .sw.ring { width: 10px; height: 10px; border-radius: 50%; background: transparent; border: 2px solid var(--ink-2); }
.stage-link { display: inline-block; margin: 14px 4px 0; font-size: 13px; letter-spacing: .04em; color: var(--amber-2); }

/* route draw-on */
.map path.draw { stroke-dasharray: var(--len); stroke-dashoffset: var(--len); animation: drawon 1.4s var(--ease) forwards; }
@keyframes drawon { to { stroke-dashoffset: 0; } }

/* ---------- 04 ride it ---------- */
.ride { position: relative; z-index: 3; max-width: var(--maxw); margin: 0 auto; padding: 14vh var(--gutter) 8vh; border-top: 1px solid var(--line); }
.ride-head { max-width: 60ch; }
.shots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 48px; align-items: start; }
.shot { margin: 0; opacity: 0; transform: translateY(20px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.shot.in { opacity: 1; transform: none; }
.screen {
  border-radius: 14px; overflow: hidden; border: 1px solid var(--line-2); background: #fff;
  box-shadow: 0 40px 90px rgba(0, 0, 0, .6), 0 0 0 1px rgba(255, 255, 255, .04);
  transform: perspective(1400px) rotateY(var(--ry, 0deg)) rotateX(2deg);
  transition: transform .5s var(--ease);
}
.shot:hover .screen { transform: perspective(1400px) rotateY(0) rotateX(0) translateY(-4px); }
.s1 .screen { --ry: 6deg; }
.s3 .screen { --ry: -6deg; }
.s2 { margin-top: 36px; }
.screen img { display: block; width: 100%; height: auto; }
.shot figcaption { margin-top: 14px; font-size: 15px; color: var(--ink-2); }
.shot figcaption b { color: var(--ink); font-weight: 600; }

/* ---------- 05 how ---------- */
.how { position: relative; z-index: 3; max-width: var(--maxw); margin: 0 auto; padding: 8vh var(--gutter) 6vh; border-top: 1px solid var(--line); }
.how-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.how-card { border: 1px solid var(--line); border-radius: 16px; padding: 22px 22px 18px; background: rgba(255, 255, 255, .02); }
.how-card h3 { font-family: var(--serif); font-weight: 400; font-size: 28px; margin: 0 0 12px; color: var(--amber-2); }
.how-card ol { margin: 0; padding-left: 18px; color: var(--ink-2); font-size: 15px; }
.how-card li { margin: 6px 0; }
.real { margin: 26px 0 0; max-width: 78ch; color: var(--ink-2); font-size: 16px; }
.real b { color: var(--ink); }
.engineers { margin-top: 30px; border: 1px solid var(--line); border-radius: 14px; }
.engineers summary { cursor: pointer; padding: 14px 18px; font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.engineers[open] summary { border-bottom: 1px solid var(--line); color: var(--ink-2); }
.eng { padding: 6px 18px 18px; }
.eng h4 { font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--amber); margin: 18px 0 8px; }
.eng pre { margin: 0; background: var(--bg-2); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; overflow: auto; font-size: 12.5px; line-height: 1.5; color: var(--ink-2); }

.foot {
  position: relative; z-index: 3; max-width: var(--maxw); margin: 0 auto; padding: 30px var(--gutter) 60px;
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 20px;
  font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); border-top: 1px solid var(--line);
}
.foot a { color: var(--ink-2); }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .hero { grid-template-columns: 1fr; padding-top: 72px; gap: 20px; }
  .hero-dial { order: 2; }
  .story { grid-template-columns: 1fr; padding-top: 0; }
  .narrative { order: 2; }
  .stage {
    order: 1; position: sticky; top: 0; z-index: 40;
    margin: 0 calc(-1 * var(--gutter)); padding: 0;
    background: linear-gradient(var(--bg) 80%, transparent);
  }
  .map-frame { border-radius: 0; border-left: 0; border-right: 0; }
  .map { height: 46vh; min-height: 320px; }
  .legend, .stage-link { display: none; }
  .chapter { min-height: 0; padding: 48px 0 40px; }
  .shots { grid-template-columns: 1fr; }
  .s1 .screen, .s3 .screen { --ry: 0deg; }
  .s2 { margin-top: 0; }
  .how-grid { grid-template-columns: 1fr; }
  .kpis { gap: 10px; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .kpis { grid-template-columns: 1fr 1fr 1fr; }
  .kpi .n { font-size: 34px; }
  .card { grid-template-columns: 1fr; }
  .card .est { grid-column: 1; grid-row: auto; text-align: left; }
  .card .go { grid-column: 1; justify-self: start; }
  .dial-hint { bottom: -26px; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-copy, .hero-dial, .chapter, .shot { animation: none; transition: none; opacity: 1; transform: none; }
  .scroll-cue span, .glyph .crawl, .glyph .b, .glyph .pulse, .progress i { animation: none; }
  .map path.draw { animation: none; stroke-dashoffset: 0; }
  .ring-sweep { transition: none; }
}