/* GENESIS — the well, v5: terminal → three-window wiring → world.
   No webfonts, no images. Two registers: serif (poetic) over monospace (receipts).
   Authoring rule: no-motion-first — every base style is the final legible state;
   motion opts in via @media (prefers-reduced-motion: no-preference), scroll-driven
   effects additionally via @supports ((animation-timeline: scroll()) and
   (animation-range: 0% 100%)). */

:root {
  --seam-w: clamp(14px, 3vw, 34px);
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --serif: Georgia, "Times New Roman", Times, serif;
  --sans: "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;
  --ink: #e6e3d8;
  /* brighter, more saturated "arcade coin gold" (owner request 2026-09-17;
     was #d8b24a/rgb(216,178,74) — H44 S65 L57 — flat and hard to read at
     a glance). New value: H46 S95 L70. --gold-rgb backs every rgba(216,
     178, 74, …) glow/border below so they scale with it instead of going
     stale next to a brighter caret. */
  --gold: #fbd96a;
  --gold-rgb: 251, 217, 106;
  --gold-dim: #cb9f0b;
  --gold-dim-rgb: 203, 159, 11;
  --edge: rgba(230, 227, 216, 0.14);
  --chip-concept: var(--gold);
  --chip-recorded: #85b8e6;
  --chip-current: #85cf9b;
  --chip-rejected: #e08d8d;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html {
  -webkit-text-size-adjust: 100%;
  background: #08090c;
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  font-family: var(--serif);
  color: var(--ink);
  background: #08090c;
}

main { margin-right: var(--seam-w); }

/* ---------- utilities ---------- */
.mono { font-family: var(--mono); }
.dim { opacity: 0.62; }
.quiet { color: inherit; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.quiet:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 1.5px solid var(--gold); outline-offset: 3px; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}
.js-only { display: none; }
html.js .js-only { display: block; }
html.js .control-static { display: none; }
html.js button.js-only { display: inline-block; }

/* ---------- strata ---------- */
.stratum { position: relative; padding: 14vh 6vw; }
.col { max-width: 60ch; margin: 0 auto; }
.col.wide { max-width: 86ch; }
.col.narrow { max-width: 44ch; }

.s-shaft      { background: #0a0b0f; }
.s-world      { background: #0c0e12; box-shadow: inset 0 0 160px rgba(0,0,0,0.45); }
.s-boundary   { background: #0a0b0f; }
.s-m1         { background: #0d0e12; }
.s-m2         { background: #0f1015; }
.s-m5         { background: #0d0e11; }
.s-hidden     {
  background: #07080a;
  box-shadow: inset 0 0 200px rgba(0, 0, 0, 0.6);
  text-align: center;
  padding: 22vh 6vw;
}
.s-m6         { background: #0b0c0f; }
.s-instrument { background: #101113; }
.s-water      { background: #090b10; min-height: 92vh; display: grid; place-items: center; }
.s-invite     { background: #06070a; }
.s-about      { background: #050609; }
.s-footer     { background: #040507; padding: 8vh 6vw 12vh; }

/* ---------- two registers ---------- */
.poetic { font-size: clamp(1.08rem, 0.98rem + 0.9vw, 1.35rem); line-height: 1.6; }
.poetic p { margin: 1.1em 0; }
p.poetic { margin: 1.1em 0; }
.strong, .poetic .strong { font-weight: 700; }

.receipt {
  font-family: var(--mono);
  font-size: 0.7rem;
  line-height: 1.7;
  letter-spacing: 0.02em;
  opacity: 0.66;
  margin: 1.4rem 0 0;
  padding-left: 0.9rem;
  border-left: 2px solid rgba(230, 227, 216, 0.35);
}
.receipt .chip { font-size: 0.6rem; }

.movement-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.6rem, 1.2rem + 2.4vw, 2.6rem);
  margin: 0 0 0.5em;
}
.beat-line {
  font-family: var(--serif);
  font-size: clamp(1.55rem, 1.15rem + 2.6vw, 2.7rem);
  line-height: 1.28;
  margin: 0 0 1.2em;
}
.beat-line em { font-style: italic; }
.bolt {
  font-family: var(--sans);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  font-size: clamp(1.7rem, 1.2rem + 3.2vw, 3.2rem);
  line-height: 1.08;
  margin: 1.6em 0 0.6em;
}
.whisper {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.35rem, 1.05rem + 2vw, 2.1rem);
  line-height: 1.4;
  opacity: 0.85;
  margin: 0 0 1.2em;
}
.block-label { letter-spacing: 0.14em; text-transform: uppercase; font-size: 0.68rem; }

/* ---------- chips ---------- */
.chip {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.18em 0.7em 0.14em;
  border: 1.5px solid;
  border-radius: 999px;
  vertical-align: 0.15em;
  white-space: nowrap;
}
.chip-concept  { color: var(--chip-concept);  border-color: var(--chip-concept); }
.chip-recorded { color: var(--chip-recorded); border-color: var(--chip-recorded); }
.chip-current  { color: var(--chip-current);  border-color: var(--chip-current); }
.chip-rejected { color: var(--chip-rejected); border-color: var(--chip-rejected); }
.chip[title] { cursor: help; }

/* ---------- zoom-in: the only door to detail ---------- */
.zoom {
  margin: 2rem 0 0;
  border: 1px solid var(--edge);
  background: rgba(230, 227, 216, 0.02);
}
.zoom summary {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.85rem 1.1rem;
  cursor: pointer;
  list-style: none;
  opacity: 0.78;
}
.zoom summary::-webkit-details-marker { display: none; }
.zoom summary::before { content: "⊕  "; color: var(--gold); }
.zoom[open] summary::before { content: "⊖  "; }
.zoom summary:hover { opacity: 1; }
.zoom-body { padding: 0.2rem 1.3rem 1.5rem; }
.zoom .zoom-body > :first-child { margin-top: 0.4rem; }

/* ---------- THE SEAM ---------- */
.seam {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: var(--seam-w);
  background: repeating-linear-gradient(
    to bottom,
    #0b0a09 0px, #0b0a09 9px,
    #111009 9px, #111009 10px
  );
  border-left: 1px solid rgba(var(--gold-rgb), 0.28);
  z-index: 50;
  overflow: hidden;
}
.seam-label {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  writing-mode: vertical-rl;
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.5em;
  color: #55504a;
  white-space: nowrap;
}

/* ---------- descent progress line (CSS scroll-driven, zero JS) ---------- */
.descent-progress {
  display: none;
  position: fixed;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--gold-dim), var(--gold));
  transform-origin: 50% 0;
  z-index: 40;
}

@media (prefers-reduced-motion: no-preference) {
  @supports ((animation-timeline: scroll()) and (animation-range: 0% 100%)) {
    .descent-progress {
      display: block;
      transform: scaleY(0);
      animation: descend-fill linear both;
      animation-timeline: scroll(root); /* after the shorthand: it resets animation-timeline */
    }
    .beat-line, .movement-title, .whisper, .bolt, .canon-line {
      animation: arrive linear both;
      animation-timeline: view();
      animation-range: entry 10% entry 80%;
    }
  }
}
@keyframes descend-fill { from { transform: scaleY(0); } to { transform: scaleY(1); } }
@keyframes arrive {
  from { opacity: 0.08; transform: translateY(1.1rem); }
  to   { opacity: 1;    transform: none; }
}

/* ---------- depth gauge (JS instrument) ---------- */
.depth-gauge {
  position: fixed;
  left: 0.9rem; bottom: 0.9rem;
  z-index: 40;
  font-family: var(--mono);
  font-size: 0.64rem;
  line-height: 1.5;
  color: #b8b4a6;
  background: rgba(8, 9, 12, 0.78);
  border: 1px solid rgba(184, 180, 166, 0.25);
  padding: 0.35rem 0.6rem;
}
.gauge-line { display: block; letter-spacing: 0.08em; }

/* ==================================================================
   T0 — THE TERMINAL. The first view carries the quality by craft.
   ================================================================== */
.s-terminal {
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 0 6vw;
  background:
    radial-gradient(120% 90% at 50% 28%, #0e0f14 0%, #08090c 62%, #060708 100%);
}
.s-terminal::after {
  content: "";
  position: absolute; inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    rgba(230, 227, 216, 0.013) 0 1px,
    transparent 1px 3px
  );
  pointer-events: none;
}

.term-mark {
  position: absolute;
  top: 2.2rem; left: 50%;
  transform: translateX(-50%);
  font-size: 0.66rem;
  letter-spacing: 0.85em;
  text-indent: 0.85em; /* optically recenters letterspaced caps */
  color: #6f6b5e;
  margin: 0;
}
.whatis {
  position: absolute;
  top: 2.05rem; right: 1.4rem;
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  opacity: 0.55;
  text-decoration-color: rgba(230, 227, 216, 0.4);
}
.whatis:hover { opacity: 0.9; }

.lang-switch {
  position: absolute;
  top: 3.35rem; right: 1.4rem;
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  opacity: 0.4;
}
.lang-switch a { opacity: 0.85; text-decoration-color: rgba(230, 227, 216, 0.35); }
.lang-switch a:hover { opacity: 1; }
.lang-switch [aria-current="page"] { opacity: 1; }

.term-center { width: min(680px, 88vw); position: relative; z-index: 1; }

.term-line {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  border-bottom: 1px solid #26272d;
  padding-bottom: 0.55rem;
  transition: border-color 0.45s ease;
}
.term-line:focus-within { border-color: rgba(var(--gold-rgb), 0.45); }
.term-line.typing { border-color: rgba(var(--gold-rgb), 0.8); }

.term-prompt {
  color: var(--gold-dim);
  font-size: 1.35rem;
  line-height: 1;
  transition: color 0.45s ease;
  user-select: none;
}
.term-line:focus-within .term-prompt { color: var(--gold); }

.term-input {
  flex: 1;
  background: transparent;
  border: 0;
  outline: 0;
  font-family: var(--mono);
  font-size: clamp(1.02rem, 0.9rem + 0.9vw, 1.35rem);
  letter-spacing: 0.01em;
  color: var(--ink);
  caret-color: var(--gold);
  padding: 0.1em 0;
  min-width: 0;
}

.term-caret {
  display: none;
  position: absolute;
  left: 1.85rem; /* where typing will begin, just after the prompt */
  top: 42%;
  transform: translateY(-50%);
  width: 0.72rem;
  height: 1.35rem;
  background: var(--gold);
  opacity: 0.85;
  /* a little arcade-cabinet pop on the one thing every visitor sees blink
     first (owner request 2026-09-17) - a glow, not an animation, so it
     still respects prefers-reduced-motion (that gate is on the blink
     keyframes below, untouched). */
  box-shadow: 0 0 9px 1px rgba(var(--gold-rgb), 0.55);
}
.term-input:not(:focus):placeholder-shown + .term-caret { display: block; }
@media (prefers-reduced-motion: no-preference) {
  .term-input:not(:focus):placeholder-shown + .term-caret {
    animation: blink 1.12s steps(2, start) infinite;
  }
}
@keyframes blink { to { visibility: hidden; } }

.term-hint {
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  color: #6f6b5e;
  margin: 1.3rem 0 0;
}
/* once a question is asked, the scaffolding steps aside for the transcript */
html.js form.asked .term-hint,
html.js form.asked .term-pills { display: none; }

.term-pills {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.4rem;
  padding: 0;
  margin: 2rem 0 0;
  font-size: 0.66rem;
  letter-spacing: 0.04em;
  color: #a19c8c;
}
html:not(.js) .term-pills li::before { content: "e.g. "; opacity: 0.6; }
html.js .term-pills button.suggestion {
  font: inherit;
  font-family: var(--mono);
  letter-spacing: inherit;
  color: #c2bda9;
  background: transparent;
  border: 1px solid #3c3d46;
  border-radius: 999px;
  padding: 0.45em 1em;
  cursor: pointer;
  transition: border-color 0.3s ease, color 0.3s ease;
}
html.js .term-pills button.suggestion:hover {
  border-color: rgba(var(--gold-rgb), 0.5);
  color: var(--ink);
}

.term-out {
  margin-top: 1.7rem;
  min-height: 7.5rem; /* reserved: printing must not shift the composition */
  max-height: 52vh;
  overflow-y: auto;
  font-size: 0.82rem;
  line-height: 1.8;
  letter-spacing: 0.02em;
}
.term-out .to-status { color: #6f6b5e; }
.term-out .to-src { margin: 1.1rem 0 0; }
.term-out .src-x {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.92rem;
  line-height: 1.55;
  color: #cfccc0;
  margin: 0;
}
.term-out .src-m { font-size: 0.6rem; letter-spacing: 0.06em; opacity: 0.55; margin: 0.25rem 0 0; }
.term-out .to-abstain { color: #a7a396; margin: 0.4rem 0 0; }
.term-out .ab-type { color: var(--chip-rejected); letter-spacing: 0.08em; }
.term-out .to-rcpt { font-size: 0.6rem; opacity: 0.45; margin: 0.9rem 0 0; letter-spacing: 0.04em; }
.term-out .to-q  { color: var(--gold); margin: 0; }
.term-out .to-q::before { content: "› "; color: var(--gold-dim); }
.term-out .to-a  { color: #a7a396; margin: 0.15rem 0 0; }
.term-out .to-go { margin: 0.9rem 0 0; }
.term-out .to-go a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-dim);
  padding-bottom: 0.15em;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.72rem;
}
.term-out .to-go a:hover { border-color: var(--gold); }

.term-state {
  position: absolute;
  bottom: 1.1rem; right: 1.4rem;
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: #6f6b5e;
  margin: 0;
}
.term-state .chip { font-size: 0.52rem; opacity: 0.85; }

.term-descend {
  position: absolute;
  bottom: 1rem; left: 50%;
  transform: translateX(-50%);
  color: #6f6b5e;
  font-size: 1rem;
  text-decoration: none;
  padding: 0.4rem 0.9rem;
}
.term-descend:hover { color: var(--gold); }

/* with JS the transcript lives in the three windows, not in the prompt */
html.js .term-out {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  min-height: 0;
  max-height: none;
  margin: 0;
}

html.js .s-terminal.has-result .term-center {
  visibility: hidden;
  pointer-events: none;
}
html.js .s-terminal.has-result .term-descend { visibility: hidden; }
/* Mobile bug (owner-reported 2026-09-17): .term-state sits in normal
   flow right after .rw (which is position: absolute, so it never
   contributes to #terminal's height). On mobile the three result
   panes stack in one column and grow far taller than the hidden
   .term-center block they overlay, so .rw's own bottom content ran
   straight into this line. Desktop mostly gets away with it because
   the three-column layout stays short; hide it here too, same
   visibility treatment as .term-descend right above. */
html.js .s-terminal.has-result .term-state { visibility: hidden; }

/* ==================================================================
   T1 — THE FIRST WIRING. Three masks over the empty terminal.
   I quote (sources) · II instrument (engine) · III well (living picture)
   ================================================================== */
html.js .rw.js-only {
  display: grid;
  position: absolute;
  /* Owner fix 2026-09-17: top-anchored only, no bottom pin. A fixed
     top+bottom inset forced .rw-mask into a hard-clipped scrollbox on
     shorter viewports -- real content (esp. W4-5 CONTESTED, two full
     source cards) got cut off mid-sentence behind a tiny inner scrollbar.
     Letting the box size to its own content means the PAGE scrolls to
     reveal the rest, same as everywhere else on this site -- never an
     inner scroll cage. Verified clean (no .rw-mask scrollHeight >
     clientHeight) at 1440x900, 1366x768, 1280x720, 1280x600, 1024x768. */
  top: 4.4rem;
  left: 3vw;
  right: 3vw;
  z-index: 4;
  grid-template-rows: auto 1fr auto;
  gap: 0.7rem;
  pointer-events: none;
}
html.js .rw.js-only[hidden] { display: none !important; }
.rw > * { pointer-events: auto; }

.rw-q {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--gold);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.rw-q-mark { color: var(--gold-dim); }

.rw-stage {
  display: grid;
  grid-template-columns: 1.15fr 1fr 0.95fr;
  gap: 1rem;
  min-height: 0;
  align-items: stretch;
}

.rw-pane {
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 0;
  min-width: 0;
}
.rw-h {
  margin: 0 0 0.45rem;
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #8d897b;
}

.rw-mask {
  position: relative;
  min-height: 0;
  /* Owner fix 2026-09-17: was `overflow: auto`, a nested scrollbox that
     clipped real content (see .rw.js-only above). All three masks (I
     sources / II engine / III picture) now grow with their content; the
     page's own scroll is the only scroll. */
  overflow: visible;
  padding: 1.05rem 1.1rem 1.15rem;
}

/* I — quote mask: the sources as a page */
.quote-mask {
  background:
    linear-gradient(180deg, rgba(230, 227, 216, 0.055), rgba(230, 227, 216, 0.015));
  border: 1px solid rgba(230, 227, 216, 0.16);
}
.quote-mask::before {
  content: "\201C";
  position: absolute;
  top: -0.12em; left: 0.12em;
  font-family: var(--serif);
  font-size: 5.6rem;
  line-height: 1;
  color: var(--gold);
  opacity: 0.14;
  pointer-events: none;
}
.quote-mask .rw-body { position: relative; z-index: 1; }

.quote-mask .to-src { margin: 0 0 1rem; }
.quote-mask .src-x {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.92rem;
  line-height: 1.55;
  color: #cfccc0;
  margin: 0;
}
.quote-mask .src-m {
  font-size: 0.58rem;
  letter-spacing: 0.05em;
  opacity: 0.55;
  margin: 0.3rem 0 0;
}
/* Kimi visual thesis 2026-09-18: the passage is the event, the receipt is
   the floor -- the top-scored passage (already ranked by search(), not a
   new judgment) reads as the answer; the rest stay a quieter chorus. */
.quote-mask .to-src--lead { margin-bottom: 1.3rem; }
.quote-mask .to-src--lead .src-x {
  font-size: clamp(1.05rem, 0.92rem + 0.6vw, 1.32rem);
  line-height: 1.5;
  color: #e6e3d8;
  max-width: 62ch;
}
.quote-mask .to-src--lead .src-m { opacity: 0.65; }
.quote-mask .to-a { color: #a7a396; margin: 0.6rem 0 0; font-size: 0.72rem; }
.quote-mask .to-status { color: #6f6b5e; margin: 0; }
.quote-mask .to-abstain { color: #a7a396; margin: 0; font-size: 0.82rem; line-height: 1.55; }
.quote-mask .ab-type { color: var(--chip-rejected); letter-spacing: 0.08em; }

/* I -> II trace + "why this came up" (W4-1 / W4-3): additive only.
   Deleting this block leaves .to-src fully readable, just non-interactive. */
.quote-mask .to-src-select {
  cursor: pointer;
  border: 1px solid transparent;
  border-radius: 2px;
  padding: 0.3rem 0.35rem;
  margin: -0.3rem -0.35rem;
  transition: border-color 0.25s ease, background 0.25s ease;
}
.quote-mask .to-src-select:hover { border-color: rgba(var(--gold-rgb), 0.35); }
.quote-mask .to-src-select[aria-pressed="true"] {
  border-color: var(--gold);
  background: rgba(var(--gold-rgb), 0.07);
}
.quote-mask .to-src.to-src-selected .src-m::after {
  content: " \00B7 selected \2192 see II";
  color: var(--gold);
  opacity: 0.9;
}
.quote-mask .src-why { margin: 0.4rem 0 0; }
.quote-mask .src-why summary { font-size: 0.56rem; padding: 0.35rem 0.1rem; }

/* W4-5 CONTESTED: two real cards, neither ranked over the other. */
.quote-mask .to-contested-note { margin: 0 0 0.7rem; }
.quote-mask .to-contested-label {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.8rem;
  line-height: 1.4;
  color: #cfccc0;
  margin: 0.9rem 0 0.4rem;
}
.quote-mask .to-contested-label:first-of-type { margin-top: 0; }
.quote-mask .src-why .zoom-body { padding: 0.1rem 0.1rem 0.3rem; }
.quote-mask .src-why .receipt { margin: 0.45rem 0 0; padding-left: 0.6rem; font-size: 0.56rem; }

/* II — instrument mask: the engine as a HUD */
.instrument-mask {
  background:
    repeating-linear-gradient(
      to bottom,
      rgba(var(--gold-rgb), 0.025) 0 1px,
      transparent 1px 4px
    ),
    rgba(8, 9, 12, 0.55);
  border: 1px solid rgba(var(--gold-rgb), 0.32);
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}
.instrument-mask::before,
.instrument-mask::after {
  content: "";
  position: absolute;
  width: 11px; height: 11px;
  border: 1px solid var(--gold);
  opacity: 0.7;
  pointer-events: none;
}
.instrument-mask::before { top: 0; left: 0; border-right: 0; border-bottom: 0; }
.instrument-mask::after { right: 0; bottom: 0; border-left: 0; border-top: 0; }

.rw-kicker {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.95rem;
  line-height: 1.35;
  margin: 0 0 0.9rem;
  color: #cfccc0;
}
/* Kimi visual thesis 2026-09-18: one human sentence before the status wall. */
.rw-eng-lead {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.82rem;
  line-height: 1.5;
  color: #a7a396;
  margin: 0 0 1.1rem;
  max-width: 46ch;
}
/* Same chip, unmistakably different state: filled means it happened. */
.chip-filled {
  background: var(--chip-recorded);
  color: #0b0c0f;
}
.rw-dl { margin: 0; }
.rw-dl dt {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0.85rem 0 0.25rem;
}
.rw-dl dt:first-child { margin-top: 0; }
.rw-dl dd {
  margin: 0 0 0.2rem;
  font-size: 0.78rem;
  line-height: 1.45;
  color: #c4c0b4;
}
.instrument-mask .to-rcpt {
  font-size: 0.56rem;
  letter-spacing: 0.03em;
  opacity: 0.5;
  margin: 1rem 0 0;
  line-height: 1.55;
}

/* III — well mask: looking down at the living picture */
.well-mask {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: radial-gradient(circle at 50% 38%, #0c0e14 0%, #08090c 62%, #050608 100%);
  border: 1px solid rgba(var(--gold-rgb), 0.22);
  overflow: hidden;
}
.rw-peek {
  --R: 70px;
  position: relative;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  margin: 0.2rem 0 0.8rem;
  overflow: hidden;
  border: 1.5px solid rgba(var(--gold-rgb), 0.45);
  box-shadow:
    0 0 28px rgba(var(--gold-rgb), 0.08),
    inset 0 0 40px rgba(0, 0, 0, 0.85);
  background: #050608;
  flex: 0 0 auto;
}
.rw-peek-ring { position: absolute; inset: 0; }
.rw-peek-center {
  position: absolute;
  left: 50%; top: 50%;
  width: 22%;
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: #000;
  box-shadow: 0 0 18px 8px rgba(0, 0, 0, 0.85);
}
/* .rw-mark shares .rw-dot's --a/--r positioning mechanism only -- kept as a
   SEPARATE class (not a modifier on .rw-dot) because capture.py's dots()
   counts ".rw-dot" as "permanent records added" across many checks, and a
   ghost marker (below) is deliberately not one of those. */
.rw-dot, .rw-mark {
  position: absolute;
  left: 50%; top: 50%;
  width: 5px; height: 5px;
  margin: -2.5px;
  border-radius: 50%;
  background: currentColor;
  transform: rotate(calc(var(--a) * 1deg)) translateX(calc(var(--R) * var(--r))) rotate(calc(var(--a) * -1deg));
}
.rw-dot.k-open   { color: var(--gold); }
.rw-dot.k-commit { color: #a7a396; }
.rw-dot.k-merge  { color: var(--chip-current); }
.rw-dot.k-close  { color: var(--chip-rejected); }
.rw-dot.k-ci     { color: var(--chip-recorded); }
/* W4-6 (GX-005): the one additive glyph kind -- a real QUESTION_* spine
   event, visually distinct in both shape (diamond, not a dot) and hue
   (violet, unused by any commit/PR/CI kind above) from every baked-event
   glyph, while reusing the exact same --a/--r positioning mechanism. */
.rw-dot.k-question {
  width: 7px;
  height: 7px;
  margin: -3.5px;
  border-radius: 1px;
  background: #c98bd9;
  box-shadow: 0 0 7px rgba(201, 139, 217, 0.7);
  transform:
    rotate(calc(var(--a) * 1deg))
    translateX(calc(var(--R) * var(--r)))
    rotate(calc(var(--a) * -1deg))
    rotate(45deg);
}
/* Kimi visual thesis 2026-09-18, part 2: the CONCEPT counterpart to
   k-question -- hollow and dashed where k-question is solid and glowing,
   because this one is NOT a permanent event: no fill (nothing was kept),
   a ring outline only (present, not added-to-the-record), gone on the
   next question or "ask again" (see clearConceptGhost() in well.js). The
   pulse is honest motion for the same reason spine glyphs get none: this
   marker's whole point is that it does NOT settle into something solid. */
.rw-mark.k-ghost {
  width: 9px;
  height: 9px;
  margin: -4.5px;
  border-radius: 50%;
  background: transparent;
  border: 1px dashed rgba(230, 227, 216, 0.55);
  box-shadow: none;
}
@media (prefers-reduced-motion: no-preference) {
  .rw-mark.k-ghost { animation: ghost-pulse 2.6s ease-in-out infinite; }
}
@keyframes ghost-pulse {
  0%, 100% { opacity: 0.45; }
  50% { opacity: 0.9; }
}

.rw-pic-lead {
  font-family: var(--serif);
  font-size: 0.95rem;
  margin: 0 0 0.4rem;
}
.rw-pic-note {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.03em;
  line-height: 1.55;
  opacity: 0.7;
  margin: 0 0 1rem;
}

.rw-enter {
  display: inline-block;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-dim);
  padding-bottom: 0.15em;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.7rem;
  margin-top: auto;
}
.rw-enter:hover { border-color: var(--gold); }

.rw-actions {
  justify-self: center;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.rw-again {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #8d897b;
  background: transparent;
  border: 0;
  cursor: pointer;
  padding: 0.4rem 0.8rem;
}
.rw-again:hover { color: var(--gold); }

/* W4-4: the one curated follow-up -- a suggestion, not a thread. */
.rw-followup {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  color: var(--gold-dim);
  background: transparent;
  border: 1px solid rgba(var(--gold-rgb), 0.35);
  cursor: pointer;
  padding: 0.35rem 0.75rem;
  max-width: 22rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.rw-followup:hover { color: var(--gold); border-color: var(--gold); }

@media (prefers-reduced-motion: no-preference) {
  .rw.rw-pop .rw-pane {
    animation: rw-pop 0.62s cubic-bezier(0.22, 1, 0.36, 1) backwards;
  }
  .rw.rw-pop .rw-pane:nth-child(1) { animation-delay: 0s; }
  .rw.rw-pop .rw-pane:nth-child(2) { animation-delay: 0.12s; }
  .rw.rw-pop .rw-pane:nth-child(3) { animation-delay: 0.24s; }
}
@keyframes rw-pop {
  from { opacity: 0; transform: translateY(0.7rem) scale(0.985); }
  to   { opacity: 1; transform: none; }
}

@media (max-width: 900px) {
  /* Owner fix 2026-09-17 (see html.js .rw.js-only above) removed the
     bottom pin because a fixed top+bottom inset forces .rw-mask into a
     hard-clipped scrollbox -- content gets cut off behind a tiny inner
     scrollbar instead of the page just scrolling further. This mobile
     override had kept the old bottom-pinned inset, so the exact same
     clipped-scrollbox regression -- plus the boxed-in .rw-actions
     footer visibly colliding with .term-state underneath it -- came
     right back on narrow viewports. Match the desktop fix: top-anchored
     only, size to content. */
  html.js .rw.js-only { top: 4.2rem; left: 4vw; right: 4vw; }
  .rw-stage {
    grid-template-columns: 1fr;
  }
  .quote-mask, .instrument-mask, .well-mask { max-height: none; }
  .rw-peek { --R: 70px; }
}

/* first seconds of atmosphere: staged arrival (opt-in; base = all visible) */
@media (prefers-reduced-motion: no-preference) {
  .term-mark    { animation: rise 1.4s 0.25s cubic-bezier(0.22, 1, 0.36, 1) backwards; }
  .term-line    { animation: rise 1.3s 0.55s cubic-bezier(0.22, 1, 0.36, 1) backwards; }
  .whatis, .term-state { animation: fadein 1.6s 1.5s ease backwards; }
  .term-hint    { animation: fadein 1.8s 2.3s ease backwards; }
  .term-pills   { animation: fadein 1.8s 3.1s ease backwards; }
  .term-descend { animation: fadein 1.8s 3.9s ease backwards; }
  /* Kimi visual thesis 2026-09-18: the lead passage arriving is honest
     motion (it's the real retrieved text, not decoration) -- one arrival,
     not a loop, same reduced-motion gate as the rest of the page. */
  .to-src--lead { animation: rise 0.9s 0.05s cubic-bezier(0.22, 1, 0.36, 1) backwards; }
}
@keyframes rise   { from { opacity: 0; transform: translateY(0.55rem); } }
@keyframes fadein { from { opacity: 0; } }
.term-mark { animation-fill-mode: backwards; }

/* the question, sinking (created by JS on user-initiated descent) */
.sinking-q {
  position: fixed;
  left: 50%; top: 36%;
  transform: translateX(-50%);
  z-index: 60;
  font-family: var(--mono);
  font-size: 1rem;
  color: var(--gold);
  text-shadow: 0 0 18px rgba(var(--gold-rgb), 0.3);
  pointer-events: none;
  white-space: nowrap;
  max-width: 88vw;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---------- X — the shaft ---------- */
.s-shaft {
  min-height: 130vh;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 30vh;
}
.shaft-hint {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #6f6b5e;
  margin: 0;
  text-align: center;
}
.shaft-cue { color: #4a473f; font-size: 1.1rem; margin: 0; }

/* ==================================================================
   W — THE WORLD
   ================================================================== */
.world-head { margin-bottom: 1.6rem; }
.world-name {
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.55em;
  margin: 0 0 0.7rem;
}
/* world-sub carries both the RECORDED fact and the "why public" argument
   in one sentence (owner request 2026-09-17: the earlier version stacked
   this as two separate lines - "four fragments" before the ring - and
   read as a list of assertions rather than one thought). The bridging
   argument from the persona-read finding (PR #8) is folded in here now;
   the standalone .world-thesis line it used to live in is gone. */
.world-sub { font-size: 0.7rem; letter-spacing: 0.03em; margin: 0; line-height: 1.9; }

/* ---------- the planet: the well seen from above — altitude = abstraction ---------- */
.s-world .world-head { text-align: center; }
.planet { text-align: center; }
.pl-field {
  --R: min(225px, 34vw);
  position: relative;
  width: calc(var(--R) * 2 + 60px);
  aspect-ratio: 1;
  margin: 1.5rem auto 0;
  overflow: hidden;
}
.pl-gate-label {
  position: absolute;
  left: 50%; top: 6px;
  transform: translateX(-50%);
  font-size: 0.56rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(var(--gold-rgb), 0.6);
  white-space: nowrap;
  z-index: 3;
}
.planet:not([data-altitude="orbit"]) .pl-gate-label { opacity: 0; }
.pl-ring { position: absolute; inset: 0; }
.pl-gatering {
  position: absolute;
  inset: 30px;
  border-radius: 50%;
  border: 1px solid rgba(var(--gold-rgb), 0.4);
  box-shadow: 0 0 60px rgba(var(--gold-rgb), 0.05), inset 0 0 90px rgba(0, 0, 0, 0.55);
  overflow: hidden;
}
/* a slow single point of light chasing itself around the gate — the ring is a
   real timeline, so the ring itself gets to look like one, not just its ticks */
.pl-gatering::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 50%;
  background: conic-gradient(from 0deg,
    transparent 0deg, rgba(var(--gold-rgb), 0.55) 3deg, transparent 26deg, transparent 360deg);
  opacity: 0.9;
}
@media (prefers-reduced-motion: no-preference) {
  html.js .pl-gatering::before { animation: gate-shimmer 22s linear infinite; }
}
@keyframes gate-shimmer { to { transform: rotate(360deg); } }
.pl-orbiters {
  position: absolute; inset: 0;
  pointer-events: none;
  z-index: 1;
}
.pl-center {
  position: absolute;
  left: 50%; top: 50%;
  width: 22%;
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: #000;
  box-shadow: 0 0 50px 14px rgba(0, 0, 0, 0.8);
}
.pl-ev {
  position: absolute;
  left: 50%; top: 50%;
  width: 1em; height: 1em;
  margin: -0.5em;
  font-family: var(--mono);
  font-style: normal;
  font-size: 0.68rem;
  line-height: 1;
  opacity: 0.8;
  transform: rotate(calc(var(--a) * 1deg)) translateX(calc(var(--R) * var(--r))) rotate(calc(var(--a) * -1deg));
}
.pl-ev.k-open   { color: var(--gold); }
.pl-ev.k-commit { color: #a7a396; }
.pl-ev.k-merge  { color: var(--chip-current); }
.pl-ev.k-close  { color: var(--chip-rejected); }
.pl-ev.k-ci     { color: var(--chip-recorded); }
.pl-ev.now { opacity: 1; text-shadow: 0 0 16px currentColor, 0 0 30px currentColor; }
.pl-ev.now::after {
  content: "";
  position: absolute;
  inset: -0.5em;
  border: 1px solid currentColor;
  border-radius: 50%;
  opacity: 0.5;
}
@media (prefers-reduced-motion: no-preference) {
  /* the ring's actual pulse of attention: two rings ping outward from whichever
     event just became "now" — echoing the real replay tick, not decorating it */
  .pl-ev.now::after, .pl-ev.now::before {
    content: "";
    position: absolute;
    inset: -0.5em;
    border: 1px solid currentColor;
    border-radius: 50%;
    opacity: 0;
    animation: pl-ping 900ms cubic-bezier(0.2, 0.6, 0.3, 1);
  }
  .pl-ev.now::before { animation-delay: 200ms; }
}
@keyframes pl-ping {
  0%   { transform: scale(0.5); opacity: 0.9; }
  100% { transform: scale(2.8); opacity: 0; }
}
.pl-lab {
  display: none;
  position: absolute;
  top: 1.25em; left: 50%;
  transform: translateX(-50%) scale(0.4);
  transform-origin: top center;
  font-size: 0.52rem;
  font-style: normal;
  letter-spacing: 0.06em;
  white-space: nowrap;
  color: var(--ink);
  opacity: 0.85;
}
.planet[data-altitude="surface"] .pl-lab { display: block; }
.planet[data-altitude="surface"] .pl-ev { cursor: pointer; }
.planet[data-altitude="surface"] .pl-ring,
.planet[data-altitude="detail"] .pl-ring {
  transform: scale(2.6);
  transform-origin: var(--ox, 50%) var(--oy, 50%);
}
.planet[data-altitude="detail"] .pl-ring { opacity: 0.14; }
@media (prefers-reduced-motion: no-preference) {
  .pl-ring { transition: transform 1s cubic-bezier(0.33, 0, 0.2, 1), opacity 0.5s ease; }
  .pl-ev { transition: text-shadow 0.3s ease, opacity 0.3s ease; }
  .pl-gate-label { transition: opacity 0.4s ease; }
}

/* ground level: one event, in full — over the dimmed ring */
.pl-detail {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 0.4rem;
  padding: 2rem;
  z-index: 4;
}
.pd-glyph { font-size: 1.5rem; margin: 0 0 0.6rem; color: var(--chip-current); text-shadow: 0 0 20px currentColor; }
.pd-title { font-family: var(--serif); font-size: clamp(1.5rem, 1.2rem + 1.6vw, 2.2rem); margin: 0; color: var(--ink); }
.pd-sub { font-family: var(--serif); font-style: italic; font-size: 1rem; opacity: 0.8; margin: 0.4rem 0 0.9rem; }
.pd-meta { font-size: 0.62rem; letter-spacing: 0.12em; opacity: 0.7; margin: 0; }
.pd-receipt { font-size: 0.54rem; letter-spacing: 0.04em; opacity: 0.45; margin: 0.8rem 0 0; }

/* caption + controls + gauges line */
.pl-now {
  /* bumped from 0.66rem/opacity .75 (owner request 2026-09-17): this line
     is the one place a real event story (well.js highlight()'s "now: <PR
     title>...") appears without hovering anything - it was reading as a
     footnote under the ring instead of the payoff of the whole diagram.
     Gold ties it visually to the replay sweep that points at it. */
  font-size: 0.82rem;
  color: var(--gold);
  letter-spacing: 0.02em;
  opacity: 0.92;
  margin: 1.3rem auto 0;
  max-width: 56ch;
  min-height: 2.4em;
}
.pl-ctls { margin: 1.2rem 0 0; justify-content: center; gap: 0.6rem; flex-wrap: wrap; }
html.js .pl-ctls { display: flex; }
.pl-ctls button {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #8d897b;
  background: transparent;
  border: 1px solid rgba(230, 227, 216, 0.22);
  padding: 0.45em 1em;
  cursor: pointer;
}
.pl-ctls button:hover { color: var(--ink); border-color: rgba(var(--gold-rgb), 0.5); }
.gauges-line {
  text-align: center;
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  opacity: 0.5;
  margin: 2.6rem 0 0;
}

/* the surface list (no-JS altitude): a borderless river */
.sv-list { list-style: none; padding: 0; margin: 0.5rem 0 0; text-align: left; }
.sv-ev {
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.03em;
  line-height: 1.95;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sv-ev .g { display: inline-block; width: 1.6em; }
.sv-ev .t { opacity: 0.55; margin-right: 0.9em; }
.sv-ev.k-open .g   { color: var(--gold); }
.sv-ev.k-commit .g { color: #a7a396; }
.sv-ev.k-merge .g  { color: var(--chip-current); }
.sv-ev.k-close .g  { color: var(--chip-rejected); }
.sv-ev.k-ci .g     { color: var(--chip-recorded); }
.g-strong { color: var(--ink); }

/* ---------- B — the boundary ---------- */
.boundary-gauge {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.7;
  margin: 0;
}

/* ---------- whys / formula / control ---------- */
.whys { margin: 2.2rem 0 0; }
.why-line {
  font-family: var(--serif);
  font-size: clamp(1.08rem, 0.95rem + 1vw, 1.4rem);
  line-height: 1.5;
  margin: 1.1em 0;
}
.whys .why-line:nth-of-type(2) { margin-left: 6%; }
.whys .why-line:nth-of-type(3) { margin-left: 12%; }
.whys .why-line:nth-of-type(4) { margin-left: 18%; }
.why-q { font-style: italic; opacity: 0.6; white-space: nowrap; }
.why-beat { text-align: center; font-size: 1.5rem; opacity: 0.35; margin: 1.6rem 0; }
.formula { margin-bottom: 1.6rem; }

.control-block { border-top: 1px solid var(--edge); padding-top: 1.4rem; }
.control-static p { font-size: 1rem; margin: 0.6em 0; }
.control-static .mono { display: inline-block; min-width: 9ch; letter-spacing: 0.1em; }
.control-slider input[type="range"] { width: 100%; accent-color: var(--gold); }
.control-scale { display: flex; justify-content: space-between; font-size: 0.66rem; letter-spacing: 0.12em; opacity: 0.65; }
.control-readout { font-size: 1.2rem; margin: 0.9rem 0 0; min-height: 2em; }

/* ---------- futures / flywheel ---------- */
.futures {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.4rem 0;
}
@media (max-width: 760px) { .futures { grid-template-columns: 1fr; } }
.future { padding: 1.4rem 1.5rem; border: 1px solid var(--edge); }
.future h3 { font-size: 0.66rem; letter-spacing: 0.16em; margin: 0 0 0.9rem; opacity: 0.75; }
.future .poetic { font-size: 1rem; margin: 0; }
.future-locked { background: #08090b; }
.future-open   { background: rgba(230, 227, 216, 0.05); }
.flywheel { margin-top: 2rem; border-top: 1px solid var(--edge); padding-top: 0.6rem; }

/* ---------- crossing fixture (inside the boundary zoom) ---------- */
.seam-quote {
  margin: 1rem 0 2rem;
  padding: 1.3rem 1.5rem;
  border: 1px solid rgba(var(--gold-rgb), 0.35);
  background: rgba(11, 10, 9, 0.5);
}
.seam-quote p { margin: 0; font-size: 1.02rem; line-height: 1.6; }
.seam-quote .receipt { margin-top: 1rem; }

.crossing { margin: 1rem 0 0; }
.crossing-stage {
  position: relative;
  height: 130px;
  margin: 1rem 0 1.4rem;
  border: 1px solid rgba(230, 227, 216, 0.2);
  background: linear-gradient(to right, rgba(230, 227, 216, 0.05), rgba(0, 0, 0, 0.35) 82%);
  overflow: hidden;
}
.stage-public {
  position: absolute; left: 1rem; top: 0.7rem;
  font-size: 0.6rem; letter-spacing: 0.18em; text-transform: uppercase; opacity: 0.6;
}
.stage-seam {
  position: absolute; right: 0; top: 0; bottom: 0;
  width: 3rem;
  background: repeating-linear-gradient(to bottom, #0b0a09 0px, #0b0a09 9px, #111009 9px, #111009 10px);
  border-left: 1px solid rgba(var(--gold-rgb), 0.35);
  font-size: 0.55rem; letter-spacing: 0.15em; text-transform: uppercase;
  color: #55504a;
  writing-mode: vertical-rl;
  display: flex; align-items: center; justify-content: center;
}
.gate {
  position: absolute; right: 30%; top: 0; bottom: 0;
  width: 2px;
  background: rgba(var(--gold-rgb), 0.55);
}
.gate-stamp {
  position: absolute;
  top: 0.6rem; left: 0.6rem;
  transform: rotate(-7deg);
  font-size: 0.58rem;
  line-height: 1.4;
  letter-spacing: 0.1em;
  color: var(--gold);
  border: 1.5px solid var(--gold);
  border-radius: 4px;
  padding: 0.25em 0.5em;
  white-space: nowrap;
  opacity: 1; /* static default: stamp shown */
}
.envelope {
  position: absolute;
  top: 50%;
  left: 12%; /* static default: docked in the public world */
  width: 44px; height: 30px;
  transform: translateY(-50%);
  border: 1.5px solid var(--ink);
  background: #16171a;
  border-radius: 3px;
}
.envelope::before {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(135deg, transparent 46%, rgba(230, 227, 216, 0.55) 46%, rgba(230, 227, 216, 0.55) 54%, transparent 54%) left top / 50% 100% no-repeat,
    linear-gradient(225deg, transparent 46%, rgba(230, 227, 216, 0.55) 46%, rgba(230, 227, 216, 0.55) 54%, transparent 54%) right top / 50% 100% no-repeat;
}
.envelope .wax {
  position: absolute;
  left: 50%; top: 50%;
  width: 10px; height: 10px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: #8a2e2e;
}
@media (prefers-reduced-motion: no-preference) {
  html.js .crossing-armed .envelope { animation: cross 5s ease-in-out both; }
  html.js .crossing-armed .gate-stamp { animation: stamp 5s linear both; }
}
@keyframes cross {
  0%   { left: calc(100% - 60px); }
  38%  { left: calc(70% - 22px); }
  52%  { left: calc(70% - 22px); }
  100% { left: 12%; }
}
@keyframes stamp {
  0%, 37% { opacity: 0; transform: rotate(-7deg) scale(1.6); }
  46%     { opacity: 1; transform: rotate(-7deg) scale(0.96); }
  100%    { opacity: 1; transform: rotate(-7deg) scale(1); }
}

.envelope-card { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.envelope-card caption { text-align: left; font-size: 0.64rem; letter-spacing: 0.1em; padding-bottom: 0.6rem; }
.envelope-card th, .envelope-card td {
  text-align: left;
  padding: 0.5rem 0.9rem 0.5rem 0;
  border-top: 1px solid rgba(230, 227, 216, 0.14);
  vertical-align: top;
}
.envelope-card th {
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 400;
  opacity: 0.6;
  width: 11ch;
}
.envelope-card code { font-family: var(--mono); font-size: 0.85em; }

/* ---------- legend ---------- */
.legend-intro { font-size: 1rem; margin: 0.5rem 0 1.4rem; }
.legend-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem 2rem;
  margin: 0;
}
.legend-grid dt { margin: 0 0 0.3rem; }
.legend-grid dd { margin: 0; font-size: 0.92rem; opacity: 0.82; }
.glyph { font-size: 0.72rem; letter-spacing: 0.08em; }

/* ---------- articles / failures ---------- */
.articles { list-style: upper-roman; padding-left: 2.2rem; margin: 1.6rem 0 0.4rem; }
.articles li { margin: 1.8rem 0; padding-left: 0.6rem; }
.articles li::marker { font-family: var(--mono); font-size: 0.78rem; opacity: 0.65; }
.article-text { font-size: clamp(1.15rem, 1rem + 1.2vw, 1.5rem); line-height: 1.4; margin: 0; }
.articles .receipt { margin-top: 0.6rem; }

.failure-column { margin: 0.6rem 0; }
.failures { list-style: none; padding: 0; margin: 1.6rem 0; }
.failures li {
  font-size: clamp(0.95rem, 0.85rem + 0.9vw, 1.3rem);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #8d897b;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.65);
  margin: 1.2rem 0;
}
/* the visible absence: a frame around nothing */
.absent-frame {
  width: 108px;
  height: 74px;
  margin: 0 auto 3.5rem;
  border: 1px solid rgba(var(--gold-rgb), 0.3);
  background: #040507;
  box-shadow: 0 0 34px rgba(var(--gold-rgb), 0.06);
}
.s-hidden .receipt {
  border-left: none;
  padding-left: 0;
  margin-top: 2.6rem;
}

/* ---------- counters ---------- */
.counters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.2rem;
  margin: 2rem 0;
}
.counter { border: 1px solid var(--edge); padding: 1.1rem 1.1rem 0.9rem; }
.counter-n { display: block; font-family: var(--mono); font-size: 3.2rem; line-height: 1; }
.counter-l {
  display: block;
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.7;
  margin-top: 0.7rem;
  line-height: 1.5;
}
.counter-rule {
  display: block;
  font-size: 0.56rem;
  letter-spacing: 0.03em;
  opacity: 0.5;
  margin-top: 0.55rem;
  line-height: 1.6;
  border-top: 1px solid rgba(230, 227, 216, 0.12);
  padding-top: 0.45rem;
}
.rule-list { list-style: none; padding: 0; margin: 0.5rem 0 0; }
.rule-list .receipt { margin-top: 0.8rem; }

/* ---------- instrument ---------- */
.instrument-card {
  border: 1px solid rgba(var(--gold-rgb), 0.45);
  padding: 1.8rem 2rem;
  background: rgba(var(--gold-rgb), 0.035);
}
.inst-name { font-size: 1.2rem; letter-spacing: 0.3em; margin: 1.8rem 0 0.7rem; }
.inst-link { font-size: 0.95rem; }
.inst-link .mono { display: block; font-size: 0.64rem; margin-top: 0.4rem; }

/* ---------- the void: a dark center that renders nothing ---------- */
.s-void {
  background: #050608;
  box-shadow: inset 0 0 240px rgba(0, 0, 0, 0.7);
  min-height: 96vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 18vh 6vw;
}
.void-caption {
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  opacity: 0.45;
  margin: 0 0 3rem;
}
.blackhole {
  --bh-r: min(170px, 36vw);
  position: relative;
  width: calc(var(--bh-r) * 2);
  aspect-ratio: 1;
  margin: 0 auto 2.4rem;
}
.bh-ring { position: absolute; inset: 0; }
.bh-ev {
  position: absolute;
  left: 50%; top: 50%;
  width: 1em; height: 1em;
  margin: -0.5em;
  font-family: var(--mono);
  font-size: 0.62rem;
  line-height: 1;
  opacity: 0.8;
  transform: rotate(calc(var(--i) * 12deg)) translateX(calc(var(--bh-r) - 18px));
}
.bh-ev.k-open   { color: var(--gold); }
.bh-ev.k-commit { color: #a7a396; }
.bh-ev.k-merge  { color: var(--chip-current); }
.bh-ev.k-close  { color: var(--chip-rejected); }
.bh-ev.k-ci     { color: var(--chip-recorded); }
.bh-void {
  position: absolute;
  left: 50%; top: 50%;
  width: 44%;
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: #000;
  border: 1px solid rgba(var(--gold-rgb), 0.26);
  box-shadow: 0 0 46px 8px rgba(var(--gold-rgb), 0.07);
}
@media (prefers-reduced-motion: no-preference) {
  html.js .blackhole.orbit-on .bh-ring { animation: orbit 90s linear infinite; }
}
@keyframes orbit { to { transform: rotate(360deg); } }
.orbit-ctl {
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #8d897b;
  background: transparent;
  border: 1px solid rgba(230, 227, 216, 0.22);
  padding: 0.4em 0.9em;
  cursor: pointer;
  margin: 0 auto 2.6rem;
}
.orbit-ctl:hover { color: var(--ink); border-color: rgba(var(--gold-rgb), 0.5); }
html.js button.orbit-ctl { display: inline-block; }
.s-void .receipt { border-left: none; padding-left: 0; margin-top: 2.4rem; }

/* ---------- water / casting / about / footer ---------- */
.s-water {
  background:
    radial-gradient(ellipse 120% 60% at 50% 100%, rgba(23, 38, 54, 0.55), transparent 70%),
    #090b10;
}
.water-text {
  margin: 0;
  font-style: italic;
  color: #b9c6cf;
  font-size: clamp(1.15rem, 1rem + 1.5vw, 1.65rem);
  line-height: 1.6;
  text-align: center;
}
.water-text p { margin: 1em 0; }
.canon-line {
  display: block;
  font-family: var(--sans);
  font-style: normal;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: #e8eef2;
  font-size: clamp(1.6rem, 1.1rem + 3vw, 3rem);
  line-height: 1.12;
  margin: 1em 0 0;
}
.s-water .receipt { text-align: center; border-left: none; padding-left: 0; margin-top: 3rem; }

.cta-ladder { margin-top: 3rem; }
.cta-ladder ol { padding-left: 1.4rem; font-size: 0.78rem; line-height: 2.2; }

.about-links { font-size: 0.72rem; letter-spacing: 0.05em; margin-top: 2rem; }

.instruments { font-size: 0.74rem; letter-spacing: 0.06em; margin: 0 0 1.4rem; line-height: 2; }

/* ---------- depth markers ---------- */
.depth-marker {
  position: absolute;
  left: 0.8rem; top: 50%;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  opacity: 0.35;
  margin: 0;
}
@media (max-width: 900px) { .depth-marker { display: none; } }

/* Mobile bug (owner-reported 2026-09-17): the depth-gauge is a fixed
   bottom-left HUD with no side clearance reserved for it. On narrow
   viewports the content column runs edge-to-edge, so the gauge sits
   directly on top of whatever is at the bottom-left at that scroll
   position (a "zoom in" button, the result-panel footer, etc.) --
   same treatment as .depth-marker above: it's a js-only, aria-hidden
   instrument, not load-bearing content. */
@media (max-width: 900px) { html.js .depth-gauge.js-only { display: none; } }

/* ---------- reduced motion: static frames ----------
   All motion above is opt-in (no-motion-first); this is the belt-and-braces
   reset, LAST in the cascade. Verified gotcha: `animation: none` alone does
   not detach scroll timelines — reset `animation-timeline: auto` too. */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .term-mark, .term-line, .term-hint, .term-pills, .term-state, .whatis,
  .term-descend, .term-caret, .envelope, .gate-stamp,
  .beat-line, .movement-title, .whisper, .bolt, .canon-line,
  .descent-progress, .sinking-q, .bh-ring, .pl-ev,
  .rw-pane {
    animation: none;
    animation-timeline: auto;
  }
  .descent-progress { display: none; }
  .pl-ring, .pl-ev, .pl-gate-label { transition: none; }
}

/* ---------- small screens ---------- */
@media (max-width: 640px) {
  :root { --seam-w: 10px; }
  .seam-label { display: none; }
  .stratum { padding: 12vh 6vw; }
  .term-state { max-width: 60vw; }
  .depth-gauge { font-size: 0.58rem; }
}

@media print {
  .seam, .depth-gauge, .descent-progress { display: none; }
  main { margin-right: 0; }
}