/* ==========================================================
   Charting the Star Trek Multiverse
   LCARS-adjacent research dossier · Antonio + Spectral
   ========================================================== */

@font-face { font-family: "Antonio"; src: url("fonts/antonio-var.woff2") format("woff2"); font-weight: 100 700; font-display: swap; }
@font-face { font-family: "Spectral"; src: url("fonts/spectral-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Spectral"; src: url("fonts/spectral-600.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Spectral"; src: url("fonts/spectral-400-italic.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }

:root {
  --ink:        oklch(15% 0.022 285);
  --ink-2:      oklch(18.5% 0.026 285);
  --ink-3:      oklch(23% 0.03 288);
  --line:       oklch(32% 0.03 288);
  --text:       oklch(87% 0.018 85);
  --text-dim:   oklch(66% 0.02 285);
  --amber:      oklch(80% 0.145 75);
  --amber-deep: oklch(68% 0.15 60);
  --salmon:     oklch(72% 0.115 25);
  --lav:        oklch(74% 0.085 295);
  --fluid:      oklch(72% 0.075 230);
  --ok:         oklch(75% 0.13 150);
  --display: "Antonio", "Arial Narrow", sans-serif;
  --body: "Spectral", Georgia, serif;
  --rail-w: 92px;
  --pad: clamp(1.25rem, 4vw, 4rem);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
  background: var(--ink);
  color: var(--text);
  font-family: var(--body);
  font-size: clamp(1rem, 0.95rem + 0.3vw, 1.125rem);
  line-height: 1.65;
  padding-left: var(--rail-w);
  overflow-x: hidden;
}
/* faint starfield */
body::before {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    radial-gradient(1px 1px at 12% 20%, oklch(90% 0.02 85 / .5) 50%, transparent 51%),
    radial-gradient(1px 1px at 78% 12%, oklch(90% 0.02 85 / .35) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 55% 45%, oklch(85% 0.05 230 / .3) 50%, transparent 51%),
    radial-gradient(1px 1px at 30% 70%, oklch(90% 0.02 85 / .4) 50%, transparent 51%),
    radial-gradient(1px 1px at 90% 60%, oklch(85% 0.06 25 / .35) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 42% 92%, oklch(90% 0.02 85 / .3) 50%, transparent 51%),
    radial-gradient(1px 1px at 65% 78%, oklch(90% 0.02 85 / .35) 50%, transparent 51%);
}

a { color: var(--amber); text-decoration-color: oklch(from var(--amber) l c h / .4); text-underline-offset: 3px; }
a:hover { color: oklch(from var(--amber) calc(l + .08) c h); }
b, strong { font-weight: 600; }
.amber { color: var(--amber); }
.dim { color: var(--text-dim); font-size: .85em; }

::selection { background: oklch(from var(--amber) l c h / .3); }

/* ---------- rail nav ---------- */
.rail {
  position: fixed; top: 0; left: 0; bottom: 0; width: var(--rail-w);
  display: flex; flex-direction: column; gap: 6px;
  padding: 10px 10px 14px; z-index: 50;
  background: var(--ink);
  border-right: 1px solid oklch(from var(--line) l c h / .5);
}
.rail-brand {
  font-family: var(--display); font-weight: 700; font-size: 1.05rem; letter-spacing: .08em;
  color: var(--ink); background: var(--amber); text-decoration: none;
  border-radius: 20px 6px 6px 6px; padding: 14px 10px 10px; line-height: 1.05;
  position: relative;
}
.rail-brand:hover { color: var(--ink); background: oklch(from var(--amber) calc(l + .07) c h); }
.rail-links { display: flex; flex-direction: column; gap: 6px; flex: 1; }
.rail-links a {
  font-family: var(--display); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase;
  text-decoration: none; color: var(--text-dim);
  background: var(--ink-2); border-radius: 4px 12px 12px 4px;
  padding: 10px 8px; writing-mode: sideways-lr;
  min-height: 74px; display: flex; align-items: center; justify-content: flex-end;
  border-left: 3px solid transparent;
  transition: color .25s, background .25s, border-color .25s;
}
.rail-links a:hover { color: var(--text); background: var(--ink-3); }
.rail-links a.is-here { color: var(--ink); background: var(--salmon); font-weight: 600; }
.rail-foot {
  font-family: var(--display); font-size: .68rem; letter-spacing: .15em; color: var(--ink);
  background: var(--lav); border-radius: 6px 6px 6px 20px; padding: 10px 8px; text-align: center;
}

/* ---------- shared section chrome ---------- */
.sect { position: relative; z-index: 1; padding: clamp(4rem, 9vh, 7rem) var(--pad) clamp(3rem, 7vh, 5.5rem); max-width: 1280px; }
.sect-head { max-width: 62ch; margin-bottom: clamp(2rem, 5vh, 3.5rem); }
.sect-num {
  font-family: var(--display); font-weight: 700; font-size: .8rem; letter-spacing: .35em;
  color: var(--ink); background: var(--amber-deep); padding: 4px 14px 4px 16px;
  border-radius: 999px 4px 4px 999px; display: inline-block; margin-bottom: 1rem;
}
.sect h2 {
  font-family: var(--display); font-weight: 700; text-transform: uppercase; letter-spacing: .03em;
  font-size: clamp(2rem, 1.4rem + 2.6vw, 3.4rem); line-height: 1; color: var(--text);
  margin-bottom: .9rem;
}
.sect-lede { color: var(--text-dim); font-size: 1.05em; }
.sect-lede em, .sect-lede strong { color: var(--text); }

.btn {
  font-family: var(--display); text-transform: uppercase; letter-spacing: .12em; font-size: .85rem; font-weight: 600;
  padding: .7em 1.5em; border-radius: 999px; cursor: pointer; text-decoration: none; display: inline-block;
  border: 1px solid transparent; transition: background .25s, color .25s, border-color .25s, opacity .25s;
}
.btn-solid { background: var(--amber); color: var(--ink); }
.btn-solid:hover { background: oklch(from var(--amber) calc(l + .07) c h); color: var(--ink); }
.btn-ghost { background: transparent; color: var(--amber); border-color: oklch(from var(--amber) l c h / .45); }
.btn-ghost:hover { border-color: var(--amber); color: oklch(from var(--amber) calc(l + .07) c h); }
.btn-bare { background: none; color: var(--text-dim); border: none; letter-spacing: .18em; }
.btn-bare:hover { color: var(--text); }
button.btn:disabled { opacity: .3; cursor: default; }

/* ---------- hero ---------- */
.hero {
  position: relative; z-index: 1; min-height: 92vh;
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 4fr);
  gap: clamp(1.5rem, 4vw, 4rem); align-items: center;
  padding: clamp(3rem, 8vh, 6rem) var(--pad) clamp(2rem, 5vh, 4rem);
  max-width: 1380px;
}
.hero-kicker {
  font-family: var(--display); text-transform: uppercase; letter-spacing: .3em; font-size: .78rem;
  color: var(--salmon); margin-bottom: 1.4rem;
}
.hero-kicker::before { content: ""; display: inline-block; width: 2.6em; height: .6em; background: var(--salmon); border-radius: 999px; margin-right: .9em; vertical-align: baseline; }
.hero-title {
  font-family: var(--display); font-weight: 700; text-transform: uppercase;
  font-size: clamp(3rem, 2rem + 6vw, 6.8rem); line-height: .92; letter-spacing: .01em;
  margin-bottom: 1.6rem;
}
.hero-title em { font-style: normal; color: var(--amber); }
.hero-sub { max-width: 46ch; color: var(--text-dim); margin-bottom: 2.2rem; }
.hero-sub strong { color: var(--text); }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-art { position: relative; }
.hero-art-frame {
  border: 1px solid var(--line); border-radius: 14px 60px 14px 14px; overflow: hidden;
  background: var(--ink-2); transform: rotate(1.2deg);
  box-shadow: 0 30px 80px oklch(5% 0.03 285 / .8);
}
.hero-art-frame img { display: block; width: 100%; height: auto; }
.hero-art-cap {
  font-family: var(--display); text-transform: uppercase; letter-spacing: .18em; font-size: .68rem;
  color: var(--text-dim); margin-top: .8rem; text-align: right;
}

/* ---------- 01 map explorer ---------- */
.mapx {
  position: relative; height: min(74vh, 720px); border-radius: 14px 14px 60px 14px;
  overflow: hidden; border: 1px solid var(--line); background: oklch(12% 0.02 285);
  touch-action: none; cursor: grab;
}
.mapx.is-dragging { cursor: grabbing; }
.mapx-stage { position: absolute; inset: 0; transform-origin: 0 0; will-change: transform; }
.mapx-stage img { display: block; width: 100%; height: auto; user-select: none; -webkit-user-drag: none; }
.mapx-hud {
  position: absolute; right: 14px; bottom: 14px; display: flex; gap: 6px; z-index: 3;
}
.mapx-hud button {
  width: 44px; height: 44px; border-radius: 999px; border: 1px solid var(--line);
  background: oklch(from var(--ink) l c h / .85); color: var(--text); font-size: 1.2rem; cursor: pointer;
  font-family: var(--body);
}
.mapx-hud button:hover { background: var(--ink-3); border-color: var(--amber-deep); }
.mapx-hint {
  position: absolute; left: 16px; bottom: 16px; z-index: 3;
  font-family: var(--display); text-transform: uppercase; letter-spacing: .2em; font-size: .68rem;
  color: var(--text-dim); background: oklch(from var(--ink) l c h / .75);
  padding: 6px 14px; border-radius: 999px; transition: opacity .6s;
}
.mapx-hint.is-gone { opacity: 0; }

/* ---------- 01b vector map ---------- */
.map-views { display: flex; gap: 6px; margin-bottom: .9rem; }
#mapTraced { display: block; width: 100%; height: auto; aspect-ratio: 2708 / 1932; }
.mapsvg .f { cursor: pointer; transition: opacity .35s ease, filter .35s ease; }
.mapsvg .f path, .mapsvg .f circle, .mapsvg .f ellipse, .mapsvg .f rect { pointer-events: visiblePainted; }
.mapsvg.has-focus .f:not(.is-focus) { opacity: .16; }
.mapsvg.has-focus .f.no-dim:not(.is-focus) { opacity: .45; }
.mapsvg .backdrop { transition: opacity .35s ease; }
.mapsvg.has-focus .backdrop { opacity: .28; }
.mapsvg.has-focus .f.is-focus { opacity: 1; filter: drop-shadow(0 0 10px oklch(85% 0.12 80 / .55)); }
.mapsvg .mlab {
  font-family: var(--display); letter-spacing: .14em; font-size: 13px; fill: #3a3325;
  pointer-events: none; text-transform: uppercase;
}
.mapsvg .mlab-c { letter-spacing: .1em; }

.map-views-labels { margin-left: auto; }
.mlabels { opacity: 0; pointer-events: none; transition: opacity .3s; }
.mapsvg.labels-on .mlabels { opacity: 1; pointer-events: auto; }
/* labels hold roughly constant on-screen size, growing gently with zoom (zoom^0.4) */
.ml { cursor: pointer; transition: opacity .35s ease; transform: translate(var(--lx), var(--ly)) scale(calc(1 / pow(var(--zoom, 1), 0.6))); }
.ml rect { fill: oklch(14% 0.02 285 / .84); stroke: oklch(80% 0.145 75 / .5); stroke-width: 1.5; }
.ml text { font-family: var(--display); font-weight: 600; font-size: 34px; letter-spacing: .1em; fill: #f4ead5; }
.mapsvg.has-focus .ml:not(.is-focus) { opacity: .12; }
.mapsvg.has-focus .ml.is-focus rect { stroke: var(--amber); stroke-width: 2.5; fill: oklch(14% 0.02 285 / .96); }

.mapd {
  position: absolute; top: 14px; right: 14px; z-index: 4; width: min(320px, calc(100% - 28px));
  background: oklch(from var(--ink) l c h / .92); border: 1px solid var(--line);
  border-radius: 12px 12px 12px 36px; padding: 1rem 1.1rem 1.1rem;
  backdrop-filter: blur(6px);
  animation: rise .35s cubic-bezier(.22,1,.36,1);
}
.mapd[hidden] { display: none; }
.mapd-x {
  position: absolute; top: 8px; right: 8px; width: 28px; height: 28px;
  background: none; border: 1px solid var(--line); border-radius: 999px; color: var(--text-dim);
  cursor: pointer; font-size: .8rem;
}
.mapd-x:hover { color: var(--text); border-color: var(--text-dim); }
.mapd-type { font-family: var(--display); text-transform: uppercase; letter-spacing: .22em; font-size: .62rem; }
.mapd h3 { font-family: var(--display); text-transform: uppercase; letter-spacing: .04em; font-size: 1.15rem; margin: .25rem 0 .45rem; padding-right: 1.6rem; }
.mapd p { font-size: .88em; color: var(--text-dim); line-height: 1.55; }
.mapd-eps { margin-top: .6rem; display: flex; flex-wrap: wrap; gap: 4px; }

.map-legend { display: flex; flex-wrap: wrap; gap: 5px; margin-top: .9rem; transition: opacity .3s; }
.map-legend.is-off { opacity: .3; pointer-events: none; }
.mleg {
  font-family: var(--display); text-transform: uppercase; letter-spacing: .08em; font-size: .66rem;
  display: inline-flex; align-items: center; gap: .5em;
  background: var(--ink-2); color: var(--text-dim); border: 1px solid oklch(from var(--line) l c h / .6);
  border-radius: 999px; padding: 4px 11px 4px 6px; cursor: pointer; transition: color .2s, border-color .2s;
}
.mleg i { width: 11px; height: 11px; border-radius: 999px; display: inline-block; }
.mleg:hover, .mleg.is-on { color: var(--text); border-color: var(--amber-deep); }

/* ---------- 02 theory ---------- */
.tci {
  display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(1.5rem, 4vw, 4rem); align-items: center;
  margin-bottom: clamp(3rem, 7vh, 5rem);
}
.tci h3 { font-family: var(--display); text-transform: uppercase; letter-spacing: .05em; font-size: 1.5rem; margin-bottom: .8rem; }
.tci-text p + p { margin-top: .9rem; }
.tci-chip {
  font-family: var(--display); background: var(--ink-3); border: 1px solid var(--line);
  border-radius: 6px; padding: 0 .5em; color: var(--amber);
}
.tci-scale { display: flex; flex-direction: column; gap: 8px; }
.tci-bar {
  --w: 50%;
  width: var(--w); min-width: 180px;
  background: var(--ink-3); border-radius: 4px 999px 999px 4px;
  padding: 8px 16px; display: flex; justify-content: space-between; align-items: baseline; gap: 1rem;
  border-left: 4px solid var(--lav);
}
.tci-bar span { font-size: .82rem; color: var(--text-dim); font-style: italic; }
.tci-bar b { font-family: var(--display); letter-spacing: .1em; font-size: .8rem; color: var(--lav); }
.tci-bar-hot { border-left-color: var(--amber); background: oklch(from var(--amber) 25% .05 h); }
.tci-bar-hot b { color: var(--amber); }

.rules { display: grid; grid-template-columns: minmax(200px, 3fr) minmax(0, 7fr); gap: clamp(1rem, 3vw, 3rem); align-items: start; }
.rules-index { display: flex; flex-direction: column; gap: 4px; position: sticky; top: 1rem; }
.rules-index button {
  font-family: var(--display); text-transform: uppercase; letter-spacing: .08em; font-size: .82rem;
  text-align: left; padding: 10px 14px; cursor: pointer;
  background: transparent; color: var(--text-dim); border: none; border-left: 3px solid var(--line);
  transition: color .2s, border-color .2s, background .2s;
}
.rules-index button:hover { color: var(--text); }
.rules-index button.is-on {
  color: var(--ink); background: var(--amber); border-left-color: var(--amber);
  border-radius: 0 999px 999px 0; font-weight: 600;
}
.rules-index button i { font-style: normal; opacity: .6; margin-right: .5em; }
.rules-panel { min-height: 300px; }
.rules-panel .r-num {
  font-family: var(--display); font-weight: 700; font-size: clamp(4rem, 8vw, 7rem); line-height: .8;
  color: transparent; -webkit-text-stroke: 1.5px oklch(from var(--amber) l c h / .55);
  display: block; margin-bottom: .4rem;
}
.rules-panel h3 {
  font-family: var(--display); text-transform: uppercase; letter-spacing: .04em;
  font-size: clamp(1.4rem, 2.4vw, 2rem); margin-bottom: .6rem;
}
.rules-panel .r-short { color: var(--salmon); font-style: italic; margin-bottom: 1rem; font-size: 1.05em; }
.rules-panel .r-full { color: var(--text-dim); max-width: 62ch; }
.rules-panel.is-fresh > * { animation: rise .5s cubic-bezier(.22,1,.36,1) both; }
.rules-panel.is-fresh > *:nth-child(2) { animation-delay: .06s; }
.rules-panel.is-fresh > *:nth-child(3) { animation-delay: .12s; }
.rules-panel.is-fresh > *:nth-child(4) { animation-delay: .18s; }
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

.pointers {
  margin-top: clamp(2.5rem, 6vh, 4rem); max-width: 56ch;
  border-top: 1px solid var(--line); padding-top: 1.4rem;
}
.pointers h4 { font-family: var(--display); text-transform: uppercase; letter-spacing: .2em; font-size: .8rem; color: var(--salmon); margin-bottom: .7rem; }
.pointers p { color: var(--text-dim); font-size: .95em; }
.pointers p + p { margin-top: .5rem; }
.pointers b { color: var(--text); }

/* ---------- 03 simulator ---------- */
.sim { border: 1px solid var(--line); border-radius: 60px 14px 14px 14px; overflow: hidden; background: var(--ink-2); }
.sim-controls {
  display: flex; gap: .8rem; flex-wrap: wrap; align-items: center;
  padding: 1.1rem 1.4rem; border-bottom: 1px solid var(--line);
}
.sim-controls .btn-bare { margin-left: auto; }
.sim-stage { background: oklch(13% 0.022 285); }
.sim-stage svg { display: block; width: 100%; height: auto; }
.sim-foot { display: flex; gap: 1.5rem; align-items: baseline; padding: 1rem 1.4rem; border-top: 1px solid var(--line); flex-wrap: wrap; }
.sim-tci {
  font-family: var(--display); letter-spacing: .18em; font-size: .78rem; color: var(--text-dim); white-space: nowrap;
}
.sim-tci output {
  font-size: 1.3rem; color: var(--amber); letter-spacing: 0; font-weight: 700;
  background: var(--ink-3); border-radius: 8px; padding: 2px 12px; margin-left: 4px;
}
.sim-log { font-style: italic; color: var(--text-dim); flex: 1; min-width: 260px; margin: 0; }
.sim-log b { color: var(--salmon); font-style: normal; }

/* svg internals (classes used from JS) */
.sim-trunk { stroke: var(--amber); stroke-width: 5; fill: none; stroke-linecap: round; }
.sim-branch { stroke: var(--salmon); stroke-width: 2.5; fill: none; stroke-linecap: round; }
.sim-branch.is-entangled { stroke: var(--lav); }
.sim-branch.is-universe { stroke: var(--fluid); stroke-width: 4; }
.sim-label { font-family: var(--display); font-size: 13px; letter-spacing: .1em; fill: var(--text-dim); text-transform: uppercase; }
.sim-label.hot { fill: var(--salmon); }
.sim-node { fill: var(--ink); stroke: var(--amber); stroke-width: 2; }
.sim-draw { stroke-dasharray: var(--len); stroke-dashoffset: var(--len); animation: simdraw 1s cubic-bezier(.22,1,.36,1) forwards; }
@keyframes simdraw { to { stroke-dashoffset: 0; } }

/* ---------- 04 atlas ---------- */
.atlas-bar { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; margin-bottom: .6rem; }
.tabs { display: flex; gap: 4px; flex-wrap: wrap; }
.tab {
  font-family: var(--display); text-transform: uppercase; letter-spacing: .1em; font-size: .82rem;
  background: var(--ink-2); color: var(--text-dim); border: 1px solid var(--line); cursor: pointer;
  padding: .6em 1.2em; border-radius: 999px; transition: background .2s, color .2s;
}
.tab:hover { color: var(--text); }
.tab.is-on { background: var(--amber); border-color: var(--amber); color: var(--ink); font-weight: 600; }
.tab-n { opacity: .55; margin-left: .3em; }
.atlas-search {
  margin-left: auto; flex: 1 1 220px; max-width: 340px;
  font-family: var(--body); font-size: .95rem; font-style: italic;
  background: var(--ink-2); color: var(--text); border: 1px solid var(--line);
  border-radius: 999px; padding: .6em 1.2em; outline: none;
}
.atlas-search:focus { border-color: var(--amber-deep); }
.atlas-search::placeholder { color: var(--text-dim); }
.atlas-note { color: var(--text-dim); font-style: italic; font-size: .9em; margin-bottom: 1.6rem; min-height: 1.4em; }

.atlas-list { display: flex; flex-direction: column; }
.entry { border-top: 1px solid var(--line); padding: 1.3rem 0 1.4rem; display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 6fr); gap: .4rem clamp(1rem, 3vw, 3rem); }
.entry:last-child { border-bottom: 1px solid var(--line); }
.entry-head h3 { font-family: var(--display); text-transform: uppercase; letter-spacing: .04em; font-size: 1.25rem; line-height: 1.15; }
.entry-head .aka { color: var(--text-dim); font-style: italic; font-size: .9em; display: block; margin-top: .15rem; }
.entry-badges { margin-top: .5rem; display: flex; gap: 6px; flex-wrap: wrap; }
.badge {
  font-family: var(--display); text-transform: uppercase; letter-spacing: .12em; font-size: .62rem;
  padding: 3px 10px; border-radius: 999px; border: 1px solid var(--line); color: var(--text-dim);
}
.badge.b-depicted { border-color: oklch(from var(--ok) l c h / .5); color: var(--ok); }
.badge.b-partial  { border-color: oklch(from var(--amber) l c h / .5); color: var(--amber); }
.badge.b-not      { border-color: oklch(from var(--salmon) l c h / .5); color: var(--salmon); }
.badge.b-substrate{ border-color: oklch(from var(--lav) l c h / .5); color: var(--lav); }
.entry-body p { color: var(--text-dim); font-size: .97em; }
.entry-body .leads { color: var(--fluid); font-style: italic; margin-bottom: .35rem; }
.entry-eps { margin-top: .7rem; display: flex; flex-wrap: wrap; gap: 5px; }
.ep {
  font-size: .72rem; font-family: var(--display); letter-spacing: .05em;
  background: var(--ink-2); border: 1px solid oklch(from var(--line) l c h / .7);
  padding: 3px 9px; border-radius: 6px; color: var(--text-dim); white-space: nowrap;
}
.ep i { font-style: normal; color: var(--amber-deep); margin-left: .45em; }

/* ---------- 05 ledger ---------- */
.chips { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 1.8rem; }
.chip {
  font-family: var(--display); text-transform: uppercase; letter-spacing: .1em; font-size: .74rem;
  background: transparent; color: var(--text-dim); border: 1px solid var(--line); cursor: pointer;
  padding: .5em 1.1em; border-radius: 999px; transition: all .2s;
}
.chip:hover { color: var(--text); border-color: var(--text-dim); }
.chip.is-on { background: var(--salmon); border-color: var(--salmon); color: var(--ink); font-weight: 600; }

.ledger-series { margin-bottom: 2.2rem; }
.ledger-series > h3 {
  font-family: var(--display); text-transform: uppercase; letter-spacing: .16em; font-size: .95rem;
  color: var(--ink); background: var(--lav); display: inline-block;
  padding: 5px 20px 5px 14px; border-radius: 4px 999px 999px 4px; margin-bottom: .8rem;
}
.inc { border-left: 2px solid var(--line); margin-left: 6px; }
.inc summary {
  cursor: pointer; list-style: none; padding: .55rem 0 .55rem 1.1rem; position: relative;
  display: flex; gap: .8rem; align-items: baseline; flex-wrap: wrap;
}
.inc summary::-webkit-details-marker { display: none; }
.inc summary::before {
  content: ""; position: absolute; left: -5px; top: 1.05rem; width: 8px; height: 8px;
  border-radius: 999px; background: var(--ink); border: 2px solid var(--salmon);
  transition: background .2s;
}
.inc[open] summary::before { background: var(--salmon); }
.inc summary:hover .inc-ep { color: var(--amber); }
.inc-ep { font-weight: 600; transition: color .2s; }
.inc-code {
  font-family: var(--display); font-size: .7rem; letter-spacing: .12em; color: var(--amber-deep);
  border: 1px solid oklch(from var(--amber-deep) l c h / .4); padding: 1px 8px; border-radius: 6px;
}
.inc-codename { color: var(--text-dim); font-style: italic; font-size: .88em; }
.inc-events { padding: .3rem 0 .9rem 1.1rem; }
.inc-events li {
  list-style: none; display: grid; grid-template-columns: 3.2rem minmax(9rem, 16rem) 1fr;
  gap: .8rem; padding: .28rem 0; font-size: .93em; align-items: baseline;
}
.inc-events .l { font-family: var(--display); letter-spacing: .08em; font-size: .75rem; color: var(--salmon); }
.inc-events .r { font-family: var(--display); letter-spacing: .04em; font-size: .8rem; color: var(--fluid); }
.inc-events .d { color: var(--text-dim); }
.inc-note { margin: .3rem 0 0 1.1rem; padding: .6rem .9rem; border-left: 2px solid var(--amber-deep); color: var(--text-dim); font-style: italic; font-size: .9em; max-width: 62ch; }

/* ---------- 06 gallery ---------- */
.gal { columns: 3 300px; column-gap: 14px; }
.gal figure {
  break-inside: avoid; margin: 0 0 14px; cursor: zoom-in; position: relative;
  border-radius: 10px; overflow: hidden; border: 1px solid var(--line); background: var(--ink-2);
}
.gal img { display: block; width: 100%; height: auto; transition: transform .5s cubic-bezier(.22,1,.36,1), opacity .5s; }
.gal figure:hover img { transform: scale(1.03); }
.gal figcaption {
  position: absolute; inset: auto 0 0 0; padding: 2rem .9rem .7rem;
  background: linear-gradient(transparent, oklch(10% 0.02 285 / .92));
  font-size: .78rem; color: var(--text); font-style: italic;
  opacity: 0; transition: opacity .3s;
}
.gal figure:hover figcaption { opacity: 1; }
.gal figure.t-abandoned::after {
  content: "SUPERSEDED"; position: absolute; top: 10px; right: 10px;
  font-family: var(--display); font-size: .58rem; letter-spacing: .2em; color: var(--salmon);
  border: 1px solid oklch(from var(--salmon) l c h / .5); border-radius: 999px; padding: 2px 8px;
  background: oklch(from var(--ink) l c h / .7);
}

.lightbox {
  position: fixed; inset: 0; z-index: 100; background: oklch(8% 0.02 285 / .96);
  display: flex; align-items: center; justify-content: center; padding: 3.5rem 4.5rem;
}
.lightbox[hidden] { display: none; }
.lb-fig { max-width: 100%; max-height: 100%; display: flex; flex-direction: column; align-items: center; gap: .8rem; }
.lb-fig img { max-width: 100%; max-height: 82vh; object-fit: contain; border-radius: 8px; }
.lb-fig figcaption { color: var(--text-dim); font-style: italic; font-size: .92em; text-align: center; max-width: 70ch; }
.lb-close, .lb-prev, .lb-next {
  position: absolute; background: none; border: 1px solid var(--line); color: var(--text);
  border-radius: 999px; cursor: pointer; font-size: 1.4rem; width: 48px; height: 48px;
  display: grid; place-items: center; transition: border-color .2s, color .2s;
  font-family: var(--body);
}
.lb-close:hover, .lb-prev:hover, .lb-next:hover { border-color: var(--amber); color: var(--amber); }
.lb-close { top: 1.2rem; right: 1.2rem; }
.lb-prev { left: 1rem; top: 50%; translate: 0 -50%; }
.lb-next { right: 1rem; top: 50%; translate: 0 -50%; }

/* ---------- footer ---------- */
.foot { position: relative; z-index: 1; padding: 3rem var(--pad) 3.5rem; max-width: 1280px; color: var(--text-dim); font-size: .92em; }
.foot-bar { height: 14px; border-radius: 999px 4px 4px 999px; margin-bottom: 1.6rem; max-width: 520px;
  background: linear-gradient(90deg, var(--amber) 0 38%, var(--ink) 38% 40%, var(--salmon) 40% 62%, var(--ink) 62% 64%, var(--lav) 64% 82%, var(--ink) 82% 84%, var(--fluid) 84% 100%); }
.foot p + p { margin-top: .7rem; }
.foot-fine { font-size: .82em; opacity: .7; }

/* ---------- scroll reveal ---------- */
.rv { opacity: 0; transform: translateY(26px); transition: opacity .8s cubic-bezier(.22,1,.36,1), transform .8s cubic-bezier(.22,1,.36,1); }
.rv.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; } }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  :root { --rail-w: 0px; }
  body { padding-left: 0; padding-bottom: 64px; }
  .rail {
    top: auto; bottom: 0; right: 0; width: auto; height: 56px;
    flex-direction: row; align-items: stretch; gap: 4px; padding: 6px 8px;
    border-right: none; border-top: 1px solid var(--line);
  }
  .rail-brand { border-radius: 999px; padding: 0 12px; display: flex; align-items: center; font-size: .8rem; line-height: 1; }
  .rail-brand br { display: none; }
  .rail-links { flex-direction: row; overflow-x: auto; scrollbar-width: none; }
  .rail-links::-webkit-scrollbar { display: none; }
  .rail-links a { writing-mode: horizontal-tb; min-height: 0; min-width: max-content; border-left: none; border-radius: 999px; padding: 0 12px; }
  .rail-foot { display: none; }
  .hero { grid-template-columns: 1fr; min-height: 0; }
  .hero-art-frame { transform: none; border-radius: 14px; }
  .tci { grid-template-columns: 1fr; }
  .rules { grid-template-columns: 1fr; }
  .rules-index { position: static; flex-direction: row; flex-wrap: wrap; }
  .rules-index button { border-left: none; border-bottom: 3px solid var(--line); padding: 8px 10px; }
  .rules-index button.is-on { border-radius: 999px; border-bottom-color: transparent; }
  .rules-index button span { display: none; }
  .entry { grid-template-columns: 1fr; }
  .inc-events li { grid-template-columns: 2.6rem 1fr; }
  .inc-events .d { grid-column: 2; }
  .lightbox { padding: 3.5rem .8rem; }
  .lb-prev { left: .4rem; } .lb-next { right: .4rem; }
  .mapx { height: 62vh; border-radius: 14px; }
  .sim { border-radius: 14px; }
}

#mapxUp { display: block; width: 100%; height: auto; user-select: none; -webkit-user-drag: none; }
.map-views .chip:disabled { opacity: .35; cursor: default; }