/* ==========================================================================
   THE ORRERY — a field notebook that simulates
   Sahukari Praveen · hand-set, no frameworks, no external requests
   Motion doctrine: the base sheet is static (reduced-motion is the default);
   every animation lives inside @media (prefers-reduced-motion: no-preference).
   ========================================================================== */

:root {
  color-scheme: light;
  --paper:    #F7F4EE;
  --plate:    #FFFFFF;
  --ink:      #16181D;
  --ink-muted:#4A5160;
  --accent:   #E0531F;
  --accent-ink: #B8420F; /* accent for small text — meets 4.5:1 on paper and plate */
  --data2:    #1F6F6B;
  --hairline: #D8D2C4;
  --grid-major: rgba(22, 24, 29, 0.045);
  --grid-minor: rgba(22, 24, 29, 0.02);
  --shadow: rgba(22, 24, 29, 0.06);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Consolas, Menlo, monospace;
}

/* ------------------------------------------------------------------ night edition
   Not an inversion — the notebook after dark: charcoal paper, bone ink,
   the signal orange warmed a step so it reads at small sizes on the dark ground.
   Default follows the system; an explicit choice sets data-theme and wins. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --paper:    #15171C;
    --plate:    #1D2027;
    --ink:      #E9E5DB;
    --ink-muted:#A2A7B3;
    --accent:   #F0662F;
    --accent-ink: #F0662F;
    --data2:    #47A8A1;
    --hairline: #2F333C;
    --grid-major: rgba(233, 229, 219, 0.05);
    --grid-minor: rgba(233, 229, 219, 0.02);
    --shadow: rgba(0, 0, 0, 0.45);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --paper:    #15171C;
  --plate:    #1D2027;
  --ink:      #E9E5DB;
  --ink-muted:#A2A7B3;
  --accent:   #F0662F;
  --accent-ink: #F0662F;
  --data2:    #47A8A1;
  --hairline: #2F333C;
  --grid-major: rgba(233, 229, 219, 0.05);
  --grid-minor: rgba(233, 229, 219, 0.02);
  --shadow: rgba(0, 0, 0, 0.45);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: auto; }
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.68;
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    repeating-linear-gradient(0deg,   var(--grid-major) 0, var(--grid-major) 1px, transparent 1px, transparent 40px),
    repeating-linear-gradient(90deg,  var(--grid-major) 0, var(--grid-major) 1px, transparent 1px, transparent 40px),
    repeating-linear-gradient(0deg,   var(--grid-minor) 0, var(--grid-minor) 1px, transparent 1px, transparent 8px),
    repeating-linear-gradient(90deg,  var(--grid-minor) 0, var(--grid-minor) 1px, transparent 1px, transparent 8px);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--accent); color: var(--paper); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.mono {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}
.num { font-variant-numeric: tabular-nums; }

a { color: inherit; }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: var(--paper);
  padding: 0.5rem 1rem; z-index: 100;
  font-family: var(--mono); font-size: 0.8rem; text-decoration: none;
}
.skip-link:focus { left: 0; }

.ic { width: 1.15em; height: 1.15em; vertical-align: -0.2em; }
.ic-s { width: 0.85em; height: 0.85em; vertical-align: -0.05em; }

/* ------------------------------------------------------------------ links */
.hero-links a, .exp-links a, .station-cite a, .xref, .term-mail {
  color: inherit;
  text-decoration: none;
  position: relative;
}
.hero-links a::after, .exp-links a::after, .station-cite a::after, .xref::after, .term-mail::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: -2px;
  height: 1.5px; background: var(--accent);
  transform: scaleX(1); transform-origin: left;
}

/* ------------------------------------------------------------------ hero */
.hero {
  position: relative;
  height: 100vh;
  height: 100svh;
  min-height: 560px;
  overflow: hidden;
  border-bottom: 1px solid var(--hairline);
}
#hero-canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  display: block;
}
.hero-figtag {
  position: absolute; top: 1.35rem; right: 4.6rem;
  font-size: 0.72rem; letter-spacing: 0.14em;
  color: var(--ink-muted);
}
.hero-overlay {
  position: absolute;
  top: 50%; transform: translateY(-52%);
  left: clamp(1.25rem, 6vw, 6rem);
  max-width: 46rem;
  pointer-events: none;
}
.hero-overlay a, .hero-overlay button { pointer-events: auto; }
.hero-kicker {
  font-size: 0.72rem; letter-spacing: 0.14em;
  color: var(--ink-muted);
  margin-bottom: 1.3rem;
}
.hero-name {
  font-size: clamp(2.75rem, 7.5vw, 6.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 0.98;
  margin-bottom: 1.4rem;
}
.hero-sub {
  max-width: 34rem;
  color: var(--ink-muted);
  margin-bottom: 1.8rem;
}
.hero-sub .mono, .hero-legend .num { font-size: 0.92em; }
.hero-links {
  display: flex; gap: 1.8rem;
  font-size: 0.78rem; letter-spacing: 0.14em;
  margin-bottom: 2.4rem;
}
.hero-jump {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.78rem; letter-spacing: 0.14em;
  text-decoration: none;
  border: 1px solid var(--ink);
  padding: 0.6rem 1rem;
  background: var(--paper);
}
.hero-legend {
  position: absolute; bottom: 1.1rem; left: 1.4rem;
  max-width: 30rem;
  font-size: 0.7rem; line-height: 1.6; letter-spacing: 0.04em;
  color: var(--ink-muted);
}

/* ------------------------------------------------------------------ masks
   padding-bottom keeps descenders (g, p, y) inside the clip box;
   the negative margin gives the space back so layout is unchanged. */
.mask { display: block; overflow: hidden; padding-bottom: 0.16em; margin-bottom: -0.16em; }
.mask-inner { display: inline-block; }

/* ------------------------------------------------------------------ sections */
.sec {
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(4rem, 9vw, 7.5rem) clamp(1.25rem, 4vw, 3rem) 0;
}
.sec-head { margin-bottom: clamp(2rem, 4vw, 3.2rem); }
.sec-no {
  font-size: 0.75rem; letter-spacing: 0.14em; font-weight: 500;
  color: var(--ink-muted);
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 1.6rem;
}
.sec-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.15;
}
.sec-note {
  max-width: 62ch;
  color: var(--ink-muted);
  margin: -1.4rem 0 2.4rem;
}

/* ------------------------------------------------------------------ operator */
.operator-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}
.marginalia {
  position: sticky; top: 2rem;
  font-size: 0.75rem; letter-spacing: 0.1em;
  color: var(--ink-muted);
}
.marg-row {
  display: flex; justify-content: space-between; gap: 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--hairline);
}
.marg-k { font-weight: 500; }
.marg-v { text-align: right; color: var(--ink); }
.sp-glyph { width: 120px; margin-top: 2rem; display: block; }
.glyph-label {
  font-family: var(--mono);
  font-size: 10px; letter-spacing: 0.2em;
  fill: var(--ink-muted);
}
.operator-prose p { max-width: 62ch; }
.operator-prose p + p { margin-top: 1.2rem; }
.operator-prose .num { font-size: 0.92em; }
.xref { font-size: 0.9em; }

/* ------------------------------------------------------------------ plates */
.plate {
  background: var(--plate);
  border: 1px solid var(--hairline);
  box-shadow: 0 1px 2px var(--shadow);
}
.exp { margin-bottom: clamp(1.6rem, 3vw, 2.5rem); }

.exp-bar {
  display: flex; flex-wrap: wrap; align-items: baseline;
  gap: 0.4rem 1.4rem;
  padding: 0.8rem 1.4rem;
  border-bottom: 1px solid var(--hairline);
  font-size: 0.72rem; letter-spacing: 0.12em; font-weight: 500;
  color: var(--ink-muted);
}
.exp-id { color: var(--ink); font-weight: 700; }
.exp-name { font: inherit; letter-spacing: inherit; color: var(--ink); margin: 0; }
.exp-result { display: inline-flex; align-items: center; gap: 0.45rem; }
.accent-dot {
  width: 7px; height: 7px; background: var(--accent);
  display: inline-block; flex: none;
}
.exp-links { margin-left: auto; display: flex; gap: 1.2rem; }
.exp-links .go { color: var(--accent); font-weight: 700; }

/* annex + legend link */
.legend-link { color: var(--accent); }
.annex-body { padding: 0.4rem clamp(1.4rem, 3vw, 2.4rem); }
.annex-row {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem 2rem;
  padding: 1.2rem 0;
}
.annex-row + .annex-row { border-top: 1px solid var(--hairline); }
.annex-row > div { flex: 1 1 24rem; min-width: 0; }
.annex-title { font-weight: 600; }
.annex-sub { font-size: 0.9rem; color: var(--ink-muted); max-width: 58ch; }
.annex-link {
  font-size: 0.72rem; letter-spacing: 0.13em; font-weight: 700;
  color: var(--ink); text-decoration: none;
  border: 1px solid var(--ink);
  padding: 0.6rem 0.95rem;
  white-space: nowrap;
}

.exp-body {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(1.5rem, 3vw, 3rem);
  padding: clamp(1.4rem, 3vw, 2.4rem);
  align-items: start;
}
.exp-flip .exp-body { grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); }
.exp-flip .exp-fig { order: 2; }
.exp-flip .exp-prose { order: 1; }

.exp-fig { min-width: 0; }
#exp1-canvas {
  width: 100%; height: 300px; display: block;
  border: 1px solid var(--hairline);
  background: var(--paper);
}
.figcap {
  margin-top: 0.7rem;
  font-size: 0.7rem; letter-spacing: 0.08em; line-height: 1.6;
  color: var(--ink-muted);
}
.fig-label {
  font-family: var(--mono);
  font-size: 9.5px; letter-spacing: 0.12em;
  fill: var(--ink-muted);
}

.exp-lede { font-weight: 500; max-width: 58ch; }
.exp-points {
  list-style: none;
  margin-top: 1.1rem;
}
.exp-points li {
  position: relative;
  padding-left: 1.3rem;
  max-width: 58ch;
  font-size: 0.97rem;
  color: var(--ink-muted);
}
.exp-points li + li { margin-top: 0.7rem; }
.exp-points li::before {
  content: "";
  position: absolute; left: 0; top: 0.62em;
  width: 0.55rem; height: 1.5px;
  background: var(--ink);
}
.exp-prose .num, .exp-points .num { font-size: 0.92em; color: var(--ink); }

.fn-ref {
  font-size: 0.68em;
  vertical-align: super;
  background: none; border: none;
  color: var(--accent-ink);
  cursor: pointer;
  padding: 0 0.15em;
}
.margin-note {
  display: none;
  margin-top: 1.2rem;
  padding: 0.8rem 1rem;
  border-left: 2px solid var(--hairline);
  font-size: 0.72rem; letter-spacing: 0.05em; line-height: 1.7;
  color: var(--ink-muted);
  max-width: 48ch;
}
.margin-note.open { display: block; }
.fn-no {
  color: var(--accent-ink);
  font-weight: 700;
  margin-right: 0.5em;
}
@media (min-width: 1100px) {
  .margin-note { display: block; }
}

/* ------------------------------------------------------------------ MLP figure */
.mlp-demo {
  border: 1px solid var(--hairline);
  background: var(--paper);
  padding: 1rem;
}
.mlp-grids {
  display: flex; align-items: center; justify-content: space-between;
  gap: 0.8rem;
}
.mlp-grid-wrap { flex: none; }
.mlp-grid-label {
  font-size: 0.6rem; letter-spacing: 0.1em;
  color: var(--ink-muted);
  margin-bottom: 0.45rem;
  max-width: 96px;
  min-height: 2.4em;
}
.mlp-grid {
  display: grid;
  grid-template-columns: repeat(3, 30px);
  grid-auto-rows: 30px;
  gap: 3px;
}
.mlp-cell {
  border: 1px solid var(--ink);
  background: var(--plate);
  cursor: pointer;
  padding: 0;
}
.mlp-cell[aria-pressed="true"] { background: var(--ink); }
.mlp-grid-out .mlp-cell { cursor: default; }
.mlp-grid-out .mlp-cell.on { background: var(--accent); border-color: var(--accent); }
.mlp-net { flex: 1 1 auto; min-width: 165px; height: auto; }
.mlp-readout {
  margin-top: 0.9rem;
  font-size: 0.68rem; letter-spacing: 0.1em;
  color: var(--ink-muted);
  border-top: 1px solid var(--hairline);
  padding-top: 0.7rem;
}

/* ------------------------------------------------------------------ cubemap */
.cubemap {
  width: 100%; height: auto; display: block;
  border: 1px solid var(--hairline);
  background: var(--paper);
}
.cm-face { transform: translate(var(--fx), var(--fy)); }

/* ------------------------------------------------------------------ escrow */
.escrow-fig {
  border: 1px solid var(--hairline);
  background: var(--paper);
  padding: 1rem 1rem 0.8rem;
}
.escrow-fig > svg { width: 100%; height: auto; display: block; }
.esc-node circle { fill: var(--ink); }
.esc-node.esc-final circle { fill: var(--accent); stroke: var(--accent); }
.sbt-row {
  display: flex; align-items: center; gap: 1rem;
  margin-top: 0.6rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--hairline);
}
.sbt-seal {
  display: inline-flex; align-items: center; gap: 0.5rem;
  white-space: nowrap; flex: none;
  border: 1.5px solid var(--ink);
  background: var(--plate);
  padding: 0.35rem 0.7rem;
  font-size: 0.7rem; letter-spacing: 0.1em;
  cursor: not-allowed;
  user-select: none;
  touch-action: none;
}
.sbt-note {
  font-size: 0.62rem; letter-spacing: 0.1em;
  color: var(--ink-muted);
}

/* ------------------------------------------------------------------ parser */
.parser-fig {
  border: 1px solid var(--hairline);
  background: var(--paper);
  padding: 1.2rem 1.3rem;
}
.parser-head {
  font-size: 0.62rem; letter-spacing: 0.12em;
  color: var(--ink-muted);
  margin-bottom: 0.8rem;
}
.parser-text {
  font-size: 0.94rem;
  max-width: 52ch;
}
.tok {
  background-image: linear-gradient(var(--accent), var(--accent));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 100% 2px;
  font-weight: 600;
}
.parser-readout {
  margin-top: 1rem;
  padding-top: 0.7rem;
  border-top: 1px solid var(--hairline);
  font-size: 0.68rem; letter-spacing: 0.1em;
  color: var(--ink-muted);
}

/* ------------------------------------------------------------------ pipeline */
.pipeline {
  margin-bottom: 2.6rem;
  overflow-x: auto;
}
.pipeline svg {
  width: 100%; min-width: 640px; height: auto; display: block;
}

/* ------------------------------------------------------------------ stations */
.stations {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}
@media (min-width: 1100px) {
  .stations { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 640px) {
  .stations { grid-template-columns: 1fr; }
}
.station {
  background: var(--plate);
  padding: 1.4rem 1.4rem 1.2rem;
}
.station-h {
  font-size: 0.72rem; letter-spacing: 0.14em; font-weight: 500;
  color: var(--ink-muted);
  margin-bottom: 1rem;
}
.skill-list { list-style: none; }
.skill-list li + li { margin-top: 0.35rem; }
.skill {
  font-family: var(--sans);
  font-size: 0.97rem;
  background: none; border: none;
  color: var(--ink);
  cursor: help;
  padding: 0.1rem 0;
  text-align: left;
  border-bottom: 1px dashed var(--hairline);
}
.station-cite {
  margin-top: 1.1rem;
  font-size: 0.66rem; letter-spacing: 0.12em;
  color: var(--ink-muted);
}
.station-cite a { margin-right: 0.2em; }
.station-note {
  margin-top: 0.7rem;
  min-height: 2.6em;
  font-size: 0.66rem; letter-spacing: 0.06em; line-height: 1.7;
  color: var(--data2);
}
.station-general { grid-column: 1 / -1; }
.station-general { grid-column: 1 / -1; }
.station-general .skill-list-plain {
  display: flex; flex-wrap: wrap; gap: 0.5rem 2.2rem;
}
.station-general .skill-list-plain li + li { margin-top: 0; }
.station-general .station-sub {
  font-size: 0.85rem;
  color: var(--ink-muted);
  margin-bottom: 0.9rem;
  max-width: 52ch;
}
.skill-list-plain {
  font-size: 0.78rem; letter-spacing: 0.05em; color: var(--ink-muted);
  display: flex; flex-wrap: wrap; gap: 0.5rem 2.4rem;
}
.skill-list-plain li + li { margin-top: 0; }

/* ------------------------------------------------------------------ rank fields */
.rank-plate {
  padding: 1.3rem 1.4rem 1.6rem;
  margin-bottom: 1.6rem;
}
.rank-head {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.4rem 1.5rem;
  font-size: 0.72rem; letter-spacing: 0.12em;
  color: var(--ink-muted);
  margin-bottom: 2.4rem;
}
.rank-head .num { color: var(--ink); }
.rank-stat { font-weight: 500; }
.rank-fig { position: relative; }
.rank-fig canvas { display: block; width: 100%; }
.rank-callout {
  position: absolute;
  top: -1.9rem;
  transform: translateX(-50%);
  font-size: 0.64rem; letter-spacing: 0.12em; font-weight: 600;
  color: var(--accent-ink);
  white-space: nowrap;
}
.rank-foot {
  font-size: 0.66rem; letter-spacing: 0.14em;
  color: var(--ink-muted);
  margin-top: 0.5rem;
}

/* ------------------------------------------------------------------ ledger */
.ledger { padding: 0.4rem 1.6rem; }
.ledger-row {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 1.6rem;
  align-items: center;
  padding: 1.4rem 0;
}
.ledger-row + .ledger-row { border-top: 1px solid var(--hairline); }
.seal { width: 64px; height: 64px; flex: none; }
.seal-txt {
  font-family: var(--mono);
  font-size: 9px; letter-spacing: 0.14em;
  fill: var(--ink);
}
.ledger-title { font-weight: 600; }
.ledger-sub { font-size: 0.9rem; color: var(--ink-muted); max-width: 56ch; }
.ledger-meta {
  display: flex; flex-direction: column; gap: 0.3rem; align-items: flex-end;
  font-size: 0.68rem; letter-spacing: 0.12em;
  color: var(--ink-muted);
  text-align: right;
}

/* ------------------------------------------------------------------ channel */
.channel-plate { padding: clamp(1.6rem, 3vw, 2.6rem); }
.term {
  display: flex; flex-wrap: wrap; align-items: center; gap: 1rem;
  border: 1px solid var(--ink);
  background: var(--paper);
  padding: 0.9rem 1.2rem;
  font-size: 0.85rem;
}
.term-line { word-break: break-all; }
.term-mail { font-weight: 600; }
.copy-btn {
  display: inline-flex; align-items: center; gap: 0.45rem;
  margin-left: auto;
  background: none;
  border: 1px solid var(--ink);
  padding: 0.4rem 0.8rem;
  font-size: 0.68rem; letter-spacing: 0.12em;
  color: var(--ink);
  cursor: pointer;
}
.channel-links {
  list-style: none;
  display: flex; flex-wrap: wrap;
  gap: 0.8rem 2.2rem;
  margin: 1.8rem 0 2.2rem;
}
.channel-links a {
  display: inline-flex; align-items: center; gap: 0.6rem;
  text-decoration: none;
  font-size: 0.78rem; letter-spacing: 0.14em;
  padding: 0.3rem 0;
}
.resume-row { display: flex; flex-wrap: wrap; align-items: center; gap: 1.4rem; }
.resume-btn {
  position: relative;
  display: inline-block;
  overflow: hidden;
  border: 2px solid var(--ink);
  text-decoration: none;
}
.resume-fill {
  position: absolute; inset: 0;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
}
.resume-txt {
  position: relative;
  display: inline-flex; align-items: center; gap: 0.7rem;
  padding: 0.85rem 1.4rem;
  font-size: 0.78rem; letter-spacing: 0.14em; font-weight: 600;
}
.resume-alt {
  font-size: 0.68rem; letter-spacing: 0.1em;
  color: var(--ink-muted);
}

/* ------------------------------------------------------------------ footer */
.foot {
  max-width: 1180px;
  margin: clamp(4rem, 8vw, 6rem) auto 0;
  padding: 2.4rem clamp(1.25rem, 4vw, 3rem) 3rem;
  border-top: 1px solid var(--hairline);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.6rem 3rem;
  align-items: start;
}
.foot-tick {
  font-size: 0.72rem; letter-spacing: 0.1em;
  color: var(--ink-muted);
  max-width: 44ch;
}
.titleblock {
  border-collapse: collapse;
  font-size: 0.62rem; letter-spacing: 0.12em;
  color: var(--ink-muted);
  grid-row: span 2;
}
.titleblock td {
  border: 1px solid var(--hairline);
  padding: 0.35rem 0.8rem;
}
.titleblock td:last-child { color: var(--ink); }
.colophon {
  font-size: 0.85rem;
  color: var(--ink-muted);
  max-width: 48ch;
}

/* ------------------------------------------------------------------ theme toggle */
.theme-toggle {
  position: fixed; top: 0.9rem; right: 0.9rem; z-index: 70;
  width: 38px; height: 38px; padding: 0;
  display: grid; place-items: center;
  background: var(--plate);
  border: 1px solid var(--hairline);
  color: var(--ink-muted);
  cursor: pointer;
}
.theme-toggle:hover { color: var(--ink); border-color: var(--ink); }
.theme-toggle svg { width: 16px; height: 16px; display: block; }
.tt-sun { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .tt-sun { display: block; }
  :root:not([data-theme="light"]) .tt-moon { display: none; }
}
:root[data-theme="dark"] .tt-sun { display: block; }
:root[data-theme="dark"] .tt-moon { display: none; }

/* ------------------------------------------------------------------ orbit widget */
.orbit-widget {
  position: fixed;
  right: 1.4rem; bottom: 1.4rem;
  z-index: 50;
  display: flex; flex-direction: column; align-items: center; gap: 0.4rem;
  background: none; border: none;
  cursor: pointer;
  color: var(--ink);
}
.orbit-ring {
  position: relative;
  display: block;
  width: 44px; height: 44px;
  border: 1px solid var(--hairline);
  border-radius: 50%;
  background: var(--paper);
  background: color-mix(in srgb, var(--paper) 82%, transparent);
}
.orbit-ring::after {
  content: "";
  position: absolute; left: 50%; top: 50%;
  width: 5px; height: 5px; margin: -2.5px;
  background: var(--ink);
  border-radius: 50%;
}
.orbit-dot {
  position: absolute; left: 50%; top: 50%;
  width: 7px; height: 7px; margin: -3.5px;
  background: var(--accent);
  border-radius: 50%;
  transform: rotate(var(--a, 0deg)) translateX(17px);
}
.orbit-label {
  font-size: 0.55rem; letter-spacing: 0.12em;
  color: var(--ink-muted);
}
@media (max-width: 640px) {
  .orbit-widget { display: none; }
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 900px) {
  .operator-grid { grid-template-columns: 1fr; }
  .marginalia { position: static; max-width: 26rem; }
  .exp-body, .exp-flip .exp-body { grid-template-columns: 1fr; }
  .exp-flip .exp-fig { order: 1; }
  .exp-flip .exp-prose { order: 2; }
  .ledger-row { grid-template-columns: 48px 1fr; }
  .seal { width: 48px; height: 48px; }
  .ledger-meta { grid-column: 2; flex-direction: row; gap: 1.2rem; }
  .foot { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .mlp-grids { flex-wrap: wrap; justify-content: center; }
  .mlp-net { flex-basis: 100%; order: 3; }
  .exp-links { margin-left: 0; flex-basis: 100%; }
}

/* ==========================================================================
   MOTION — everything below runs only when the visitor allows it.
   One easing, six moves: ENTRANCE, LINE-MASK, COUNT (JS), PLOT, UNDERLINE, LIFT.
   ========================================================================== */
@media (prefers-reduced-motion: no-preference) {

  /* ENTRANCE */
  html.js [data-rise] {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.52s var(--ease), transform 0.52s var(--ease);
  }
  html.js [data-rise].in { opacity: 1; transform: none; }
  html.js [data-stagger] > * {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
    transition-delay: calc(var(--i, 0) * 60ms);
  }
  html.js [data-stagger].in > * { opacity: 1; transform: none; }
  html.js [data-stagger]:not([data-rise]) { opacity: 1; transform: none; }

  /* LINE-MASK — 135% so the taller clip box still hides the line fully */
  html.js .mask-inner {
    transform: translateY(135%);
    transition: transform 0.62s var(--ease);
    transition-delay: calc(var(--mi, 0) * 80ms);
  }
  html.js .in .mask-inner { transform: none; }

  /* PLOT — dash values are set inline by JS */
  html.js .plot { transition: stroke-dashoffset 0.9s var(--ease) 0.15s; }

  /* UNDERLINE */
  .hero-links a::after, .exp-links a::after, .station-cite a::after, .xref::after, .term-mail::after {
    transform: scaleX(0);
    transition: transform 0.22s var(--ease);
  }
  .hero-links a:hover::after, .hero-links a:focus-visible::after,
  .exp-links a:hover::after, .exp-links a:focus-visible::after,
  .station-cite a:hover::after, .station-cite a:focus-visible::after,
  .xref:hover::after, .xref:focus-visible::after,
  .term-mail:hover::after, .term-mail:focus-visible::after { transform: scaleX(1); }

  /* LIFT */
  .plate { transition: transform 0.38s var(--ease), box-shadow 0.38s var(--ease); }
  .exp:hover, .rank-plate:hover { transform: translateY(-2px); }

  .hero-jump { transition: background 0.3s var(--ease), color 0.3s var(--ease); }
  .hero-jump:hover { background: var(--ink); color: var(--paper); }

  .copy-btn { transition: background 0.25s var(--ease), color 0.25s var(--ease); }
  .copy-btn:hover { background: var(--ink); color: var(--paper); }

  .annex-link { transition: background 0.25s var(--ease), color 0.25s var(--ease); }
  .annex-link:hover { background: var(--ink); color: var(--paper); }

  .channel-links a .ic { transition: transform 0.3s var(--ease); }
  .channel-links a:hover .ic { transform: translateY(-2px); }

  /* resume sweep */
  .resume-fill { transition: transform 0.42s var(--ease); }
  .resume-txt { transition: color 0.42s var(--ease); }
  .resume-txt .ic { transition: transform 0.42s var(--ease); }
  .resume-btn:hover .resume-fill, .resume-btn:focus-visible .resume-fill { transform: scaleX(1); }
  .resume-btn:hover .resume-txt, .resume-btn:focus-visible .resume-txt { color: var(--paper); }
  .resume-btn:hover .resume-txt .ic { transform: translateY(3px); }

  /* seals */
  .seal { transition: transform 0.4s var(--ease); }
  .ledger-row:hover .seal { transform: rotate(20deg); }

  /* skills */
  .skill { transition: border-color 0.25s var(--ease), color 0.25s var(--ease); }
  .skill:hover, .skill:focus-visible { border-bottom-color: var(--accent); }

  /* cubemap unfold: faces start collapsed on the strip, unfold to the cross */
  html.js .cm-face {
    transform: translate(var(--sx, var(--fx)), var(--sy, var(--fy)));
    opacity: 0.55;
    transition: transform 0.8s var(--ease), opacity 0.8s var(--ease);
    transition-delay: calc(var(--i, 0) * 70ms);
  }
  html.js .in .cm-face { transform: translate(var(--fx), var(--fy)); opacity: 1; }

  /* escrow nodes fill left-to-right */
  html.js .esc-node circle {
    fill: var(--plate);
    transition: fill 0.4s var(--ease) var(--d, 0ms);
  }
  html.js .in .esc-node circle { fill: var(--ink); }
  html.js .in .esc-node.esc-final circle { fill: var(--accent); }

  /* parser tokens light sequentially (JS adds .hit) */
  html.js .tok {
    background-size: 0% 2px;
    transition: background-size 0.45s var(--ease);
  }
  html.js .tok.hit { background-size: 100% 2px; }

  /* sbt rubber-band snap-back */
  .sbt-seal { transition: transform 0.5s var(--ease); }

  /* orbit widget dot — transform written by JS on scroll */
  .orbit-label { transition: opacity 0.3s var(--ease); }
}

/* ==========================================================================
   PRINT — ctrl+P is a deliverable: a clean ink-on-white document.
   ========================================================================== */
@media print {
  :root, :root[data-theme="dark"] {           /* print is always the day edition */
    --paper: #fff; --plate: #fff;
    --ink: #16181D; --ink-muted: #4A5160;
    --accent: #E0531F; --accent-ink: #B8420F;
    --data2: #1F6F6B; --hairline: #D8D2C4;
    --grid-major: transparent; --grid-minor: transparent;
    --shadow: transparent;
  }
  .theme-toggle { display: none !important; }
  body { background: #fff; font-size: 10.5pt; }
  /* entrances must never hide content on paper — override any pre-reveal state */
  [data-rise], [data-stagger] > *, .mask-inner, .cm-face, .tok {
    opacity: 1 !important;
    transform: translate(var(--fx, 0), var(--fy, 0)) !important;
  }
  [data-rise], [data-stagger] > *, .mask-inner, .tok { transform: none !important; }
  .plot { stroke-dashoffset: 0 !important; stroke-dasharray: none !important; }
  canvas, .orbit-widget, .hero-jump, .copy-btn, .skip-link, .hero-legend { display: none !important; }
  .hero {
    height: auto; min-height: 0;
    border-bottom: 1px solid var(--hairline);
    padding: 2rem 0;
  }
  .hero-overlay { position: static; transform: none; max-width: none; }
  .hero-figtag { position: static; text-align: right; }
  .hero-name { font-size: 28pt; }
  .sec { padding-top: 1.6rem; }
  .plate, .exp { box-shadow: none; break-inside: avoid; }
  .exp-body, .exp-flip .exp-body { grid-template-columns: 1fr; gap: 1rem; }
  .exp-fig { display: none; }
  .margin-note { display: block; }
  .marginalia { position: static; }
  .rank-fig { display: none; }
  .station-note { display: none; }
  .hero-links a::after, .exp-links a::after, .term-mail::after { display: none; }
  .exp-links a::before { content: ""; }
  .foot { break-inside: avoid; }
  a { text-decoration: none; }
}