/* =========================================================================
   cinecouncil.ai — DHARMKATHA production ledger
   Everything cold and documentary; one object in the frame is on fire.
   ========================================================================= */

:root {
  /* Ground */
  --ink:        #070908;
  --ink-2:      #0b0f0d;
  --ink-3:      #050706;

  /* Type */
  --bone:       #e8dcc4;
  --bone-dim:   #a2967f;
  --data:       #948970;
  --data-faint: #6f6858;

  /* The single heat source */
  --ember:      #ff7a18;
  --ember-hi:   #ffd9a0;
  --ember-deep: #cf3208;

  /* The bloom's cold tail */
  --green:      #1f7d61;
  --blue:       #0f3557;

  /* Rules */
  --line:       rgba(232, 220, 196, 0.13);
  --line-soft:  rgba(232, 220, 196, 0.07);
  --line-hard:  rgba(232, 220, 196, 0.26);

  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* One tracking scale, used everywhere. The wide-tracked caps are the
     whole voice of the reference — they have to be consistent. */
  --track-xl: 0.34em;
  --track-lg: 0.26em;
  --track-md: 0.18em;
  --track-sm: 0.12em;

  --gut: clamp(1.5rem, 5vw, 6rem);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--bone);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, video { max-width: 100%; display: block; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }

::selection { background: var(--ember); color: var(--ink); }

:focus-visible {
  outline: 1px solid var(--ember);
  outline-offset: 4px;
}

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  padding: 0.75rem 1.25rem; background: var(--ink-2); color: var(--bone);
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: var(--track-md);
  text-transform: uppercase;
}
.skip-link:focus { left: 0; }

/* Small separator dot used between metadata items. */
.tick {
  display: inline-block; width: 3px; height: 3px; border-radius: 50%;
  background: var(--data-faint); vertical-align: middle;
  margin: 0 0.85em; flex: none;
}


/* =========================================================================
   THE FIELD — fixed backdrop
   ========================================================================= */

.field {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  overflow: hidden;
}

/* Two grids at different scales, both barely there. The fine one gives the
   page its graph-paper substrate; the coarse one gives it structure. */
.field__grid {
  position: absolute; inset: -1px;
  background-image:
    linear-gradient(to right,  var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to right,  rgba(232,220,196,0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(232,220,196,0.035) 1px, transparent 1px);
  background-size:
    clamp(180px, 25vw, 320px) clamp(180px, 25vw, 320px),
    clamp(180px, 25vw, 320px) clamp(180px, 25vw, 320px),
    calc(clamp(180px, 25vw, 320px) / 5) calc(clamp(180px, 25vw, 320px) / 5),
    calc(clamp(180px, 25vw, 320px) / 5) calc(clamp(180px, 25vw, 320px) / 5);
  opacity: 0.85;
}

/* ---- The bloom -------------------------------------------------------
   A limb of something enormous, lit from one point: hot at the edge,
   cooling through green into deep blue as it spreads. Layers are screened
   together so they add light rather than paint over one another. */

/* Sized and placed so the hot core sits off-canvas to the upper left and only
   the falloff crosses the frame. The reference keeps roughly four fifths of
   the poster near-black — the bloom has to be an event at the edge of the
   page, never a wash across it, or the hairline type stops being readable. */
.bloom {
  position: absolute;
  top: -38vh; left: -26vw;
  width: min(112vw, 1250px); aspect-ratio: 1;
  opacity: 0.88;
  will-change: transform;
}
.bloom > span {
  position: absolute; inset: 0;
  border-radius: 50%;
  mix-blend-mode: screen;
}

.bloom__blue {
  background: radial-gradient(circle at 58% 46%,
    rgba(15, 53, 87, 0.55) 0%,
    rgba(12, 42, 70, 0.26) 30%,
    rgba(8, 24, 42, 0.08) 50%,
    transparent 66%);
  filter: blur(60px);
  transform: translate(6%, 6%) scale(1.06);
}

.bloom__green {
  background: radial-gradient(circle at 46% 40%,
    rgba(31, 125, 97, 0.44) 0%,
    rgba(24, 92, 74, 0.18) 32%,
    transparent 58%);
  filter: blur(70px);
  transform: translate(-2%, 2%) scale(0.92);
}

.bloom__ember {
  background: radial-gradient(circle at 33% 30%,
    rgba(255, 217, 160, 0.62) 0%,
    rgba(255, 122, 24, 0.44) 11%,
    rgba(207, 50, 8, 0.20) 25%,
    rgba(120, 26, 6, 0.06) 42%,
    transparent 58%);
  filter: blur(55px);
  transform: scale(0.8) translate(-6%, -8%);
}

/* The lit edge. A ring, masked to an arc so it reads as a limb rather than
   a halo — the dark side of the sphere is simply the page. */
.bloom__limb {
  background: radial-gradient(circle at 50% 50%,
    transparent 55%,
    rgba(255, 190, 120, 0.30) 58.5%,
    rgba(255, 122, 24, 0.55) 60%,
    rgba(207, 50, 8, 0.18) 63%,
    transparent 70%);
  filter: blur(14px);
  /* Both ends of the arc fade out. A hard 0deg start reads as a cut edge
     rather than as a terminator. */
  -webkit-mask-image: conic-gradient(from 158deg, transparent 0deg, #000 26deg, #000 104deg, transparent 168deg, transparent 360deg);
          mask-image: conic-gradient(from 158deg, transparent 0deg, #000 26deg, #000 104deg, transparent 168deg, transparent 360deg);
  transform: scale(0.86) translate(-4%, -6%);
}

/* The hot spot, with the four-point streak of a real lens.
   The two linear-gradient streaks are full-bleed within this box, so without
   a radial mask the element's own square edge shows up as a hard diagonal
   seam once the whole bloom is blurred and screened. The mask fades the box
   out well before its corners. */
.bloom__flare {
  top: 22%; left: 20%;
  width: 26%; height: 26%; inset: auto;
  background:
    radial-gradient(circle at 50% 50%, rgba(255,247,230,0.95) 0%, rgba(255,196,110,0.55) 14%, transparent 46%),
    linear-gradient(90deg, transparent 8%, rgba(255,200,130,0.26) 50%, transparent 92%),
    linear-gradient(0deg,  transparent 26%, rgba(255,200,130,0.16) 50%, transparent 74%);
  filter: blur(6px);
  border-radius: 0;
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 0%, rgba(0,0,0,0.6) 42%, transparent 68%);
          mask-image: radial-gradient(circle at 50% 50%, #000 0%, rgba(0,0,0,0.6) 42%, transparent 68%);
  animation: breathe 9s var(--ease) infinite;
}

@keyframes breathe {
  0%, 100% { opacity: 0.72; transform: scale(1); }
  50%      { opacity: 1;    transform: scale(1.06); }
}

/* Grain. Ties the flat gradients together and kills banding on the bloom,
   which is otherwise very visible on an 8-bit display. */
.field__grain {
  position: absolute; inset: -50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.16;
  animation: drift 700ms steps(1) infinite;
}
@keyframes drift {
  0%   { transform: translate(0, 0); }
  25%  { transform: translate(-2%, 1%); }
  50%  { transform: translate(1%, -2%); }
  75%  { transform: translate(-1%, -1%); }
  100% { transform: translate(0, 0); }
}

/* Two jobs: pull the corners down, and lay a scrim across the middle of the
   page so the bloom can never rise behind body copy. Without the second
   layer the hairline mono at 0.6rem drops below readable contrast. */
.field__vignette {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 62% 50%, rgba(7,9,8,0.72) 0%, rgba(7,9,8,0.34) 45%, transparent 70%),
    radial-gradient(ellipse at 50% 40%, transparent 24%, rgba(3,5,4,0.6) 72%, rgba(3,5,4,0.94) 100%);
}


/* =========================================================================
   SHARED TYPE
   ========================================================================= */

main { position: relative; z-index: 1; }

.eyebrow {
  display: block;
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: var(--track-lg);
  text-transform: uppercase;
  color: var(--ember);
  margin: 0 0 1.6rem;
}

.head { padding: 0 var(--gut); margin-bottom: clamp(3rem, 8vw, 6rem); }
.head--center { text-align: center; }
.head--center .eyebrow { margin-left: auto; margin-right: auto; }

.head__title {
  margin: 0;
  font-size: clamp(1.6rem, 4.5vw, 3rem);
  font-weight: 200;
  letter-spacing: var(--track-lg);
  text-transform: uppercase;
  line-height: 1.2;
}

.head__note {
  margin: 1.5rem 0 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 300;
  letter-spacing: var(--track-sm);
  text-transform: uppercase;
  color: var(--data);
}


/* =========================================================================
   I — THE SLATE
   ========================================================================= */

.slate {
  position: relative;
  min-height: 100svh;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  padding: clamp(5rem, 12vh, 9rem) var(--gut);
}

.regmarks { position: absolute; inset: clamp(1rem, 3vw, 2.5rem); pointer-events: none; }
.regmark {
  position: absolute; width: 14px; height: 14px;
  border: 1px solid var(--line-hard);
}
.regmark--tl { top: 0; left: 0;  border-right: 0; border-bottom: 0; }
.regmark--tr { top: 0; right: 0; border-left: 0;  border-bottom: 0; }
.regmark--bl { bottom: 0; left: 0;  border-right: 0; border-top: 0; }
.regmark--br { bottom: 0; right: 0; border-left: 0;  border-top: 0; }

.slate__doc {
  display: flex; align-items: center; justify-content: center;
  flex-wrap: wrap;
  margin: 0 0 clamp(3rem, 9vh, 6rem);
  font-family: var(--mono);
  font-size: clamp(0.58rem, 1.4vw, 0.7rem);
  font-weight: 300;
  letter-spacing: var(--track-md);
  text-transform: uppercase;
  color: var(--data);
}

/* DHARMKATHA is 10 glyphs; at 0.34em tracking the word measures ~9.6em, so
   the size has to be driven off the viewport or it breaks mid-word. Locked to
   nowrap and sized to land at ~82vw — the name splitting across two lines
   destroys the whole cold-open. */
.slate__title {
  margin: 0;
  font-size: clamp(1.5rem, 8.4vw, 5.2rem);
  font-weight: 200;
  line-height: 1.05;
  letter-spacing: var(--track-xl);
  text-transform: uppercase;
  white-space: nowrap;
  /* Wide tracking adds a trailing space on the last glyph; pull it back so
     the word stays optically centred. */
  text-indent: var(--track-xl);
  color: var(--bone);
}

/* Per-letter entrance, built by main.js. */
.slate__title .ch {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.4em);
  animation: chIn 1.1s var(--ease) forwards;
  animation-delay: calc(var(--i) * 55ms + 200ms);
}
@keyframes chIn { to { opacity: 1; transform: none; } }

.slate__sub {
  margin: clamp(2rem, 5vh, 3rem) 0 0;
  font-size: clamp(0.85rem, 2vw, 1.05rem);
  font-weight: 200;
  letter-spacing: var(--track-lg);
  text-transform: uppercase;
  color: var(--bone-dim);
  opacity: 0;
  animation: fadeUp 1.4s var(--ease) 1.5s forwards;
}

.slate__note {
  margin: clamp(1rem, 3vh, 1.5rem) 0 0;
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 300;
  letter-spacing: var(--track-md);
  text-transform: uppercase;
  color: var(--data-faint);
  opacity: 0;
  animation: fadeUp 1.4s var(--ease) 1.9s forwards;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(0.8rem); }
  to   { opacity: 1; transform: none; }
}

.cue {
  position: absolute; bottom: clamp(2rem, 6vh, 4rem); left: 50%;
  transform: translateX(-50%);
  width: 40px; height: 64px;
  display: grid; place-items: center;
  opacity: 0;
  animation: fadeUp 1.4s var(--ease) 2.4s forwards;
}
.cue__line { display: block; width: 1px; height: 56px; background: var(--line-hard); position: relative; overflow: hidden; }
.cue__line::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to bottom, transparent, var(--ember), transparent);
  animation: cueRun 2.6s var(--ease) infinite;
}
@keyframes cueRun {
  0%   { transform: translateY(-100%); }
  70%, 100% { transform: translateY(100%); }
}


/* =========================================================================
   II — THE LEDGER
   ========================================================================= */

.ledger { padding: clamp(6rem, 18vh, 12rem) 0 clamp(4rem, 10vh, 8rem); }

.ledger__frame {
  display: grid;
  grid-template-columns: minmax(0, 1fr) clamp(140px, 16vw, 200px);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
  padding: 0 var(--gut);
  max-width: 1500px; margin: 0 auto;
}

.ledger__cols { min-width: 0; }

.block { margin-bottom: clamp(2.75rem, 7vh, 4.5rem); }
.block:last-of-type { margin-bottom: 0; }

.block__label {
  display: flex; align-items: baseline; gap: 1rem;
  margin: 0 0 1.5rem; padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: var(--track-md);
  text-transform: uppercase;
  color: var(--bone-dim);
}
.block__num { color: var(--data-faint); }
.block--zero .block__label { color: var(--ember); }
.block--zero .block__num { color: var(--ember-deep); }

.rows { list-style: none; margin: 0; padding: 0; }

.row {
  display: flex; align-items: baseline; gap: 0.9rem;
  padding: clamp(0.55rem, 1.4vh, 0.85rem) 0;
  opacity: 0;
  transform: translateY(0.9rem);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.row.is-in { opacity: 1; transform: none; }

.row__key {
  font-family: var(--mono);
  font-size: clamp(0.7rem, 1.6vw, 0.82rem);
  font-weight: 300;
  letter-spacing: var(--track-sm);
  text-transform: uppercase;
  color: var(--data);
  white-space: nowrap;
}

/* Dotted leader, drawn rather than typed so it never wraps or mis-aligns. */
.row__rule {
  flex: 1 1 auto;
  height: 1px;
  min-width: 1.5rem;
  transform: translateY(-0.28em);
  background-image: radial-gradient(circle, var(--line-hard) 0.5px, transparent 0.5px);
  background-size: 6px 1px;
  background-repeat: repeat-x;
  opacity: 0.7;
}

.row__val {
  font-family: var(--mono);
  font-size: clamp(0.82rem, 2vw, 1.05rem);
  font-weight: 300;
  letter-spacing: var(--track-sm);
  text-transform: uppercase;
  color: var(--bone);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

/* The one worded value in the ledger. Sized up so the eye stops on it, but
   kept bone rather than ember: the accent colour belongs exclusively to the
   zeros, and spending it here would flatten the section-03 payoff. */
.row__val--claim {
  font-size: clamp(0.92rem, 2.4vw, 1.25rem);
  letter-spacing: var(--track-md);
  color: var(--bone);
}

/* The zeros. Bigger, warmer, and they arrive slower — this is the beat the
   whole page is built to deliver, so it gets its own timing curve. */
.row--zero { transition-duration: 1.5s; }
.row--zero .row__key { color: var(--bone-dim); }
.row--zero .row__val {
  font-size: clamp(1rem, 2.8vw, 1.5rem);
  font-weight: 400;
  color: var(--ember-hi);
  text-shadow: 0 0 28px rgba(255, 122, 24, 0.4);
}

/* ---- Marginalia ---- */
.margin {
  position: sticky; top: clamp(2rem, 12vh, 8rem);
  display: flex; flex-direction: column; gap: 1.75rem;
  padding-left: clamp(1rem, 2vw, 1.75rem);
  border-left: 1px solid var(--line);
}
.margin__key {
  margin: 0 0 0.4rem;
  font-family: var(--mono); font-size: 0.58rem; font-weight: 400;
  letter-spacing: var(--track-md); text-transform: uppercase;
  color: var(--ember);
}
.margin__val {
  margin: 0;
  font-family: var(--mono); font-size: 0.62rem; font-weight: 300;
  letter-spacing: var(--track-sm); text-transform: uppercase;
  line-height: 1.8; color: var(--data);
}
.margin__glyphs { display: flex; gap: 0.5rem; }
.glyph {
  width: 18px; height: 18px;
  border: 1px solid var(--line-hard);
  position: relative;
}
.glyph::after {
  content: ''; position: absolute; inset: 5px;
  border: 1px solid var(--line-hard);
}
.glyph:nth-child(2)::after { border-radius: 50%; }
.glyph:nth-child(3)::after { inset: 7px; background: var(--ember); border: 0; }

/* ---- The redaction ---- */
.method {
  display: flex; align-items: center; gap: 0.9rem;
  max-width: 1500px;
  margin: clamp(3rem, 9vh, 6rem) auto 0;
  padding: clamp(1.5rem, 4vh, 2.5rem) var(--gut) 0;
  border-top: 1px solid var(--line);
  opacity: 0; transform: translateY(0.9rem);
  transition: opacity 1.2s var(--ease) 0.2s, transform 1.2s var(--ease) 0.2s;
}
.method.is-in { opacity: 1; transform: none; }
.method__key {
  font-family: var(--mono); font-size: clamp(0.7rem, 1.6vw, 0.82rem);
  font-weight: 400; letter-spacing: var(--track-md);
  text-transform: uppercase; color: var(--ember);
  white-space: nowrap;
}
.method__rule {
  flex: 1 1 auto; height: 1px; min-width: 1.5rem;
  background-image: radial-gradient(circle, var(--line-hard) 0.5px, transparent 0.5px);
  background-size: 6px 1px; background-repeat: repeat-x; opacity: 0.7;
}
/* Solid, empty, and genuinely empty in the DOM. Anyone who opens dev tools
   looking for the hidden string finds a span with nothing in it. */
.method__bar {
  display: block;
  width: clamp(110px, 22vw, 260px);
  height: clamp(14px, 2.4vw, 20px);
  background: var(--bone);
  flex: none;
}


/* =========================================================================
   III — THE ARTIFACT
   ========================================================================= */

.artifact { padding: clamp(6rem, 18vh, 12rem) 0 clamp(5rem, 12vh, 9rem); }

.reel { margin: 0 auto; padding: 0 var(--gut); max-width: 1500px; }

.reel__stage {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--ink-3);
  border: 1px solid var(--line);
  overflow: hidden;
}
/* The heat leaks out from under the frame — the only element on the page
   allowed to glow. */
.reel__stage::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  box-shadow: inset 0 0 120px rgba(0,0,0,0.6);
}
.reel__stage.is-playing {
  box-shadow: 0 0 90px -20px rgba(255, 122, 24, 0.28);
  transition: box-shadow 1.2s var(--ease);
}

.reel__video { width: 100%; height: 100%; object-fit: contain; background: var(--ink-3); }

/* ---- Ignition ---- */
.ignite {
  position: absolute; inset: 0; z-index: 3;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 0.9rem;
  background: rgba(5, 7, 6, 0.45);
  transition: background 0.6s var(--ease), opacity 0.5s var(--ease);
}
.ignite:hover, .ignite:focus-visible { background: rgba(5, 7, 6, 0.25); }
.ignite[hidden] { display: none; }

.ignite__ring {
  position: absolute;
  width: clamp(76px, 12vw, 112px); aspect-ratio: 1;
  border: 1px solid var(--line-hard);
  border-radius: 50%;
  top: 50%; left: 50%;
  transform: translate(-50%, calc(-50% - 1.6rem));
  transition: transform 0.7s var(--ease), border-color 0.5s var(--ease);
}
.ignite:hover .ignite__ring { border-color: var(--ember); transform: translate(-50%, calc(-50% - 1.6rem)) scale(1.1); }

.ignite__tri {
  width: 0; height: 0; margin-bottom: 2.6rem;
  border-left: 13px solid var(--bone);
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  transform: translateX(3px);
  transition: border-left-color 0.5s var(--ease);
}
.ignite:hover .ignite__tri { border-left-color: var(--ember); }

.ignite__label {
  font-family: var(--mono); font-size: clamp(0.66rem, 1.5vw, 0.78rem);
  font-weight: 400; letter-spacing: var(--track-lg); text-transform: uppercase;
  color: var(--bone);
}
.ignite__meta {
  font-family: var(--mono); font-size: 0.6rem; font-weight: 300;
  letter-spacing: var(--track-md); text-transform: uppercase; color: var(--data);
}

/* ---- HUD ---- */
.hud {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 4;
  display: flex; align-items: center; gap: clamp(0.5rem, 1.5vw, 1rem);
  padding: clamp(0.75rem, 2vw, 1.15rem) clamp(0.85rem, 2.5vw, 1.5rem);
  background: linear-gradient(to top, rgba(4,6,5,0.92), rgba(4,6,5,0.55) 55%, transparent);
  opacity: 0; transform: translateY(0.5rem);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}
.hud[hidden] { display: none; }
.reel__stage.is-idle .hud { opacity: 0; transform: translateY(0.5rem); pointer-events: none; }
.reel__stage:hover .hud,
.reel__stage.is-awake .hud,
.hud:focus-within { opacity: 1; transform: none; pointer-events: auto; }

.hud__btn {
  width: 30px; height: 30px; flex: none;
  display: grid; place-items: center;
  opacity: 0.75; transition: opacity 0.3s var(--ease);
}
.hud__btn:hover { opacity: 1; }

.hud__icon { display: block; position: relative; }
.hud__icon--play {
  width: 0; height: 0;
  border-left: 10px solid var(--bone);
  border-top: 6px solid transparent; border-bottom: 6px solid transparent;
  transform: translateX(2px);
}
.hud__icon--pause { width: 10px; height: 12px; border-left: 3px solid var(--bone); border-right: 3px solid var(--bone); }
.hud__icon--sound, .hud__icon--muted { width: 14px; height: 12px; }
.hud__icon--sound::before, .hud__icon--muted::before {
  content: ''; position: absolute; left: 0; top: 3px;
  width: 5px; height: 6px; background: var(--bone);
  box-shadow: 3px -3px 0 -1px var(--bone), 3px 3px 0 -1px var(--bone);
}
.hud__icon--sound::after {
  content: ''; position: absolute; left: 8px; top: 1px;
  width: 6px; height: 10px;
  border-right: 1.5px solid var(--bone); border-top: 1.5px solid var(--bone); border-bottom: 1.5px solid var(--bone);
  border-radius: 0 50% 50% 0;
}
.hud__icon--muted::after {
  content: ''; position: absolute; left: 8px; top: 5px;
  width: 8px; height: 1.5px; background: var(--ember);
}
.hud__icon--full {
  width: 13px; height: 13px;
  border: 1.5px solid var(--bone);
  clip-path: polygon(0 0, 42% 0, 42% 100%, 0 100%, 0 0, 100% 0, 100% 42%, 0 42%,
                     0 100%, 100% 100%, 100% 58%, 0 58%);
}
.hud__icon--exit { width: 13px; height: 13px; border: 1.5px solid var(--bone); }

.hud__tc {
  font-family: var(--mono); font-size: 0.66rem; font-weight: 300;
  letter-spacing: var(--track-sm); color: var(--bone-dim);
  font-variant-numeric: tabular-nums; flex: none;
}
.hud__tc--end { color: var(--data); }

/* The scrub bar is another ledger rule — same hairline, same idiom. */
.hud__track {
  position: relative; flex: 1 1 auto;
  height: 22px; display: flex; align-items: center;
  cursor: pointer; touch-action: none;
}
.hud__track::before {
  content: ''; position: absolute; left: 0; right: 0; height: 1px;
  background: var(--line-hard);
}
.hud__buffer, .hud__played {
  position: absolute; left: 0; height: 1px; width: 0;
  transform-origin: left;
}
.hud__buffer { background: rgba(232,220,196,0.28); }
.hud__played { background: var(--ember); box-shadow: 0 0 10px rgba(255,122,24,0.7); }
.hud__head {
  position: absolute; left: 0; width: 1px; height: 11px;
  background: var(--ember-hi);
  box-shadow: 0 0 8px rgba(255,217,160,0.9);
  transition: height 0.25s var(--ease);
}
.hud__track:hover .hud__head { height: 17px; }

.reel__spinner { position: absolute; inset: 0; z-index: 2; display: grid; place-items: center; }
.reel__spinner[hidden] { display: none; }
.reel__spinner span {
  width: 26px; height: 26px; border-radius: 50%;
  border: 1px solid var(--line-hard); border-top-color: var(--ember);
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.reel__error {
  position: absolute; inset: auto 0 0; z-index: 5; margin: 0;
  padding: 1rem; text-align: center;
  background: rgba(5,7,6,0.9);
  font-family: var(--mono); font-size: 0.66rem; font-weight: 300;
  letter-spacing: var(--track-sm); text-transform: uppercase; color: var(--ember);
}
.reel__error[hidden] { display: none; }

.reel__cap {
  display: flex; align-items: center; flex-wrap: wrap;
  margin-top: 1.1rem;
  font-family: var(--mono); font-size: 0.62rem; font-weight: 300;
  letter-spacing: var(--track-md); text-transform: uppercase; color: var(--data);
}


/* =========================================================================
   IV — THE ARITHMETIC
   ========================================================================= */

.arith { padding: clamp(4rem, 10vh, 8rem) var(--gut); max-width: 1100px; margin: 0 auto; }

.arith__line {
  margin: 0;
  min-height: 62svh;
  display: flex; align-items: center;
  font-size: clamp(1.35rem, 5vw, 3.4rem);
  font-weight: 200;
  line-height: 1.35;
  letter-spacing: 0.02em;
  color: var(--bone-dim);
  opacity: 0; transform: translateY(1.4rem);
  transition: opacity 1.3s var(--ease), transform 1.3s var(--ease), color 1.3s var(--ease);
}
.arith__line.is-in { opacity: 1; transform: none; }
.arith__line--last.is-in { color: var(--bone); }

.arith__coda {
  margin: 0 0 clamp(1rem, 3vh, 2rem);
  font-family: var(--mono);
  font-size: clamp(0.72rem, 1.8vw, 0.9rem);
  font-weight: 400; letter-spacing: var(--track-lg); text-transform: uppercase;
  color: var(--ember);
  opacity: 0; transform: translateY(1rem);
  transition: opacity 1.3s var(--ease) 0.3s, transform 1.3s var(--ease) 0.3s;
}
.arith__coda.is-in { opacity: 1; transform: none; }


/* =========================================================================
   V — THE DOOR
   ========================================================================= */

.door {
  padding: clamp(5rem, 14vh, 10rem) var(--gut);
  text-align: center;
  border-top: 1px solid var(--line);
  max-width: 1500px; margin: 0 auto;
}

.door__cta {
  display: inline-flex; align-items: center; gap: 1.1rem;
  padding: 1.15rem 2.4rem;
  border: 1px solid var(--line-hard);
  font-family: var(--mono); font-size: clamp(0.7rem, 1.7vw, 0.82rem);
  font-weight: 400; letter-spacing: var(--track-lg); text-transform: uppercase;
  color: var(--bone);
  position: relative; overflow: hidden;
  transition: border-color 0.5s var(--ease), color 0.5s var(--ease);
}
/* Fill wipes in from the left on hover; the label inverts against it. */
.door__cta::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: var(--ember);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.6s var(--ease);
}
.door__cta > * { position: relative; }
.door__cta:hover, .door__cta:focus-visible { border-color: var(--ember); color: var(--ink); }
.door__cta:hover::before, .door__cta:focus-visible::before { transform: scaleX(1); }
.door__cta { isolation: isolate; }

.door__arrow {
  width: 22px; height: 1px; background: currentColor; position: relative; flex: none;
  transition: width 0.5s var(--ease);
}
.door__arrow::after {
  content: ''; position: absolute; right: 0; top: -3px;
  width: 7px; height: 7px;
  border-top: 1px solid currentColor; border-right: 1px solid currentColor;
  transform: rotate(45deg);
}
.door__cta:hover .door__arrow { width: 32px; }

.door__note {
  margin: 1.75rem 0 0;
  font-family: var(--mono); font-size: 0.62rem; font-weight: 300;
  letter-spacing: var(--track-sm); text-transform: uppercase; color: var(--data-faint);
}


/* =========================================================================
   FOOTER
   ========================================================================= */

.foot { position: relative; z-index: 1; padding: 0 0 clamp(2rem, 5vh, 3rem); }

/* Barcode strip, straight from the reference poster. */
.foot__bars {
  height: 26px; margin-bottom: clamp(2rem, 5vh, 3rem);
  background-image: repeating-linear-gradient(
    to right,
    var(--data-faint) 0 1px, transparent 1px 3px,
    var(--data-faint) 3px 5px, transparent 5px 6px,
    var(--data-faint) 6px 7px, transparent 7px 11px,
    var(--data-faint) 11px 14px, transparent 14px 15px,
    var(--data-faint) 15px 16px, transparent 16px 20px
  );
  opacity: 0.35;
  -webkit-mask-image: linear-gradient(to right, transparent, #000 18%, #000 82%, transparent);
          mask-image: linear-gradient(to right, transparent, #000 18%, #000 82%, transparent);
}

.foot__inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1.25rem;
  padding: 0 var(--gut); max-width: 1500px; margin: 0 auto;
}
.foot__mark {
  margin: 0;
  font-family: var(--mono); font-size: clamp(0.72rem, 1.8vw, 0.86rem);
  font-weight: 400; letter-spacing: var(--track-md); color: var(--bone);
}
.foot__meta {
  display: flex; align-items: center; margin: 0;
  font-family: var(--mono); font-size: 0.6rem; font-weight: 300;
  letter-spacing: var(--track-sm); text-transform: uppercase; color: var(--data-faint);
}
.foot__link { border-bottom: 1px solid transparent; transition: color 0.4s var(--ease), border-color 0.4s var(--ease); }
.foot__link:hover { color: var(--bone-dim); border-bottom-color: var(--line-hard); }


/* =========================================================================
   RESPONSIVE
   ========================================================================= */

@media (max-width: 860px) {
  .ledger__frame { grid-template-columns: minmax(0, 1fr); }
  .margin {
    position: static;
    flex-direction: row; flex-wrap: wrap; gap: 1.5rem 2.5rem;
    padding: 1.75rem 0 0; padding-left: 0;
    border-left: 0; border-top: 1px solid var(--line);
  }
  .bloom { width: 145vw; top: -28vh; left: -55vw; opacity: 0.5; }
}

@media (max-width: 560px) {
  .slate__doc .tick { margin: 0 0.5em; }
  .hud { gap: 0.4rem; padding: 0.7rem 0.6rem; }
  .hud__tc { font-size: 0.58rem; }
  .hud__btn { width: 26px; height: 26px; }
  .row { gap: 0.6rem; }
  .arith__line { min-height: 48svh; }
}

/* Fullscreen: the HUD sits over the video with no letterbox chrome. */
.reel__stage:fullscreen { aspect-ratio: auto; width: 100vw; height: 100vh; border: 0; }
.reel__stage:fullscreen .reel__video { object-fit: contain; }


/* =========================================================================
   REDUCED MOTION
   Kill the ambience entirely and show everything at rest. The page still
   reads — the ledger just arrives all at once.
   ========================================================================= */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .slate__title .ch,
  .slate__sub, .slate__note, .cue { opacity: 1; transform: none; }
  .row, .method, .arith__line, .arith__coda { opacity: 1; transform: none; }
  .field__grain { animation: none; }
  .bloom__flare { animation: none; opacity: 0.85; }
}