:root {
  --paper: #edf0e9;
  --ink: #102a35;
  --cyan: #43c4c6;
  --orange: #f06a24;
  --red: var(--orange);
  --lilac: #9d55dc;
  --petrol: #274d57;
  --acid: #d8e85c;
  --muted: #718086;
  --line: rgba(16, 42, 53, 0.22);
  --mono: "IBM Plex Mono", monospace;
  --sans: "Inter", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  min-width: 320px;
  margin: 0;
  background:
    linear-gradient(90deg, transparent 0 3.2rem, rgba(201, 79, 67, 0.5) 3.2rem calc(3.2rem + 1px), transparent calc(3.2rem + 1px)),
    radial-gradient(circle, rgba(16, 42, 53, 0.1) 1px, transparent 1.2px) 0 0 / 28px 28px,
    var(--paper);
  color: var(--ink);
  font-family: var(--sans);
}

a { color: inherit; }
button { font: inherit; }

.skip-link {
  position: fixed;
  z-index: 20;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.7rem;
  background: var(--ink);
  color: var(--paper);
  font: 600 0.7rem/1 var(--mono);
  transform: translateY(-180%);
}

.skip-link:focus { transform: none; }

.page-header {
  display: grid;
  width: min(1380px, calc(100% - 48px));
  min-height: 112px;
  margin: auto;
  padding: 0 2rem;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-bottom: 1px solid var(--line);
}

.page-header__brand {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.page-header p,
.page-header__back,
.experience__header p,
.game,
.system-logic { font-family: var(--mono); letter-spacing: 0.055em; text-transform: uppercase; }
.page-header p { margin: 0; color: var(--muted); font-size: 0.7rem; }
.page-header__back { justify-self: end; font-size: 0.68rem; text-decoration: none; }

.experience {
  width: min(1380px, calc(100% - 48px));
  margin: auto;
  padding: clamp(2rem, 4vw, 4.5rem) 2rem 5rem;
}

.experience__header {
  display: flex;
  gap: 2rem;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 1.6rem;
}

.experience__header p { margin: 0 0 0.65rem; color: var(--muted); font-size: 0.68rem; }
.experience__header h1 { margin: 0; font: 800 clamp(3rem, 7vw, 6.8rem)/0.78 var(--sans); letter-spacing: -0.075em; }
.experience__header > p { padding-bottom: 0.3rem; color: var(--ink); }

.game {
  position: relative;
  border: 1px solid var(--ink);
  background: rgba(237, 240, 233, 0.94);
  box-shadow: 0 22px 65px rgba(16, 42, 53, 0.09);
}

.game__readout {
  display: grid;
  min-height: 72px;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--ink);
}

.game__readout p {
  position: relative;
  display: flex;
  margin: 0;
  padding: 0.9rem 1.25rem;
  flex-direction: column;
  justify-content: center;
  border-right: 1px solid var(--line);
  transition: background-color 120ms ease, color 120ms ease;
}

.game__readout p::after {
  position: absolute;
  right: 1.25rem;
  bottom: 0;
  left: 1.25rem;
  height: 2px;
  background: currentColor;
  content: "";
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left;
}

.game__readout p:last-child { border: 0; }
.game__readout span { color: var(--muted); font-size: 0.58rem; }
.game__readout strong { margin-top: 0.25rem; font-size: 0.8rem; }
.game__readout strong.is-live { color: var(--red); }

.game[data-sensor-state="detect"] .game__readout p:nth-child(2)::after,
.game[data-sensor-state="track"] .game__readout p:nth-child(2)::after,
.game[data-sensor-state="predict"] .game__readout p:nth-child(2)::after,
.game[data-sensor-state="reject"] .game__readout p:nth-child(2)::after,
.game[data-sensor-state="commit"] .game__readout p:nth-child(2)::after,
.game[data-sensor-state="contact"] .game__readout p:nth-child(2)::after {
  opacity: 1;
  transform: scaleX(1);
  transition: transform 180ms ease-out;
}

.game[data-sensor-state="detect"] .game__readout p:nth-child(2) { color: var(--cyan); }
.game[data-sensor-state="track"] .game__readout p:nth-child(2) { color: var(--petrol); }
.game[data-sensor-state="predict"],
.game[data-sensor-state="reject"] { --state-accent: var(--lilac); }
.game[data-sensor-state="commit"],
.game[data-sensor-state="contact"] { --state-accent: var(--orange); }
.game[data-sensor-state="predict"] .game__readout p:nth-child(2),
.game[data-sensor-state="reject"] .game__readout p:nth-child(2),
.game[data-sensor-state="commit"] .game__readout p:nth-child(2),
.game[data-sensor-state="contact"] .game__readout p:nth-child(2) { color: var(--state-accent); }

.game__tuning {
  position: relative;
  display: grid;
  min-height: 76px;
  grid-template-columns: minmax(10rem, 0.8fr) repeat(3, minmax(11rem, 1fr));
  border-bottom: 1px solid rgba(237, 240, 233, 0.16);
  background: #102a35;
  color: var(--paper);
}

.tuning__meta,
.tuning__module {
  margin: 0;
  padding: 0.68rem 0.85rem;
  border: 0;
  border-right: 1px solid rgba(237, 240, 233, 0.14);
}

.tuning__meta { display: grid; align-content: center; gap: 0.12rem; }
.tuning__meta span,
.tuning__module legend { color: #8ca3a6; font: 500 0.52rem/1 var(--mono); letter-spacing: 0.12em; }
.tuning__meta strong { color: var(--cyan); font-size: 0.68rem; }
.tuning__meta small { color: rgba(237, 240, 233, 0.58); font-size: 0.48rem; }
.tuning__meta b { color: var(--paper); font: inherit; }

.tuning__module { min-width: 0; }
.tuning__module legend { padding: 0; }
.tuning__module > div {
  display: grid;
  margin-top: 0.45rem;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid rgba(237, 240, 233, 0.24);
}

.tuning__module button {
  min-width: 0;
  padding: 0.46rem 0.25rem;
  border: 0;
  border-right: 1px solid rgba(237, 240, 233, 0.18);
  background: transparent;
  color: rgba(237, 240, 233, 0.5);
  cursor: pointer;
  font: 600 0.52rem/1 var(--mono);
  letter-spacing: 0.035em;
  transition: background-color 90ms ease-out, color 90ms ease-out, transform 90ms ease-out;
}

.tuning__module button:last-child { border-right: 0; }
.tuning__module button[aria-pressed="true"] {
  background: var(--orange);
  color: #102a35;
  box-shadow: inset 0 -2px 0 #ffc486;
}
.tuning__module button:not(:disabled):hover,
.tuning__module button:not(:disabled):focus-visible { background: var(--cyan); color: #102a35; outline: 0; }
.tuning__module button:disabled:not([aria-pressed="true"]) { opacity: 0.3; cursor: default; }
.tuning__module.is-snapping button[aria-pressed="true"] { transform: translateY(2px); }

.tuning__timer {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 3px;
  background: rgba(237, 240, 233, 0.08);
  overflow: hidden;
}
.tuning__timer i {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
  transform-origin: left;
}
.game[data-state="TUNE"] .game__tuning { box-shadow: inset 0 0 0 1px rgba(67, 196, 198, 0.42); }
.game:not([data-state="TUNE"]) .tuning__timer { opacity: 0; }

.game__stage {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: #193a43;
}

.game__stage::before {
  position: absolute;
  z-index: 2;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(13, 37, 48, 0.2), transparent 16%, transparent 84%, rgba(13, 37, 48, 0.2)),
    linear-gradient(180deg, rgba(13, 37, 48, 0.16), transparent 24%, transparent 72%, rgba(13, 37, 48, 0.08));
  content: "";
  opacity: var(--weather-vignette, 1);
  pointer-events: none;
  transition: opacity 1.8s ease-out;
}

.game__stage::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--cyan) 0 65%, var(--red) 65% 84%, var(--acid) 84%);
  content: "";
  pointer-events: none;
}

.game canvas {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 8.4;
  outline: 0;
  cursor: crosshair;
}

.game__audio { display: none; }

.editorial {
  position: absolute;
  z-index: 3;
  inset: clamp(0.75rem, 1.8vw, 1.5rem);
  color: rgba(237, 240, 233, 0.74);
  font: 500 clamp(0.46rem, 0.62vw, 0.58rem)/1.45 var(--mono);
  letter-spacing: 0.08em;
  pointer-events: none;
}

.editorial::before,
.editorial::after {
  position: absolute;
  width: 1.1rem;
  height: 1.1rem;
  border-color: rgba(237, 240, 233, 0.42);
  border-style: solid;
  content: "";
}

.editorial::before { top: 0; left: 0; border-width: 1px 0 0 1px; }
.editorial::after { right: 0; bottom: 0; border-width: 0 1px 1px 0; }

.editorial__corner {
  position: absolute;
  z-index: 1;
  display: grid;
  gap: 0.08rem;
  text-shadow: 0 1px 8px rgba(16, 42, 53, 0.82);
}

.editorial__corner span { color: rgba(237, 240, 233, 0.52); }
.editorial__corner strong { font: inherit; color: rgba(237, 240, 233, 0.9); }
.editorial__corner b { font: inherit; color: inherit; }
.editorial__corner--tl { top: 0.75rem; left: 0.85rem; }
.editorial__corner--tr { top: 0.75rem; right: 0.85rem; text-align: right; }
.editorial__corner--bl { bottom: 1.35rem; left: 0.85rem; }
.editorial__corner--br { right: 1.1rem; bottom: 1.25rem; text-align: right; }

.editorial__sensing {
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 120ms ease, transform 180ms ease;
}

.game:not([data-sensor-state="idle"]) .editorial__sensing {
  opacity: 1;
  transform: none;
}

.game[data-sensor-state="detect"] .editorial__sensing { color: var(--cyan); }
.game[data-sensor-state="predict"] .editorial__sensing,
.game[data-sensor-state="reject"] .editorial__sensing { color: #c795eb; }
.game[data-sensor-state="commit"] .editorial__sensing,
.game[data-sensor-state="contact"] .editorial__sensing { color: #ffad62; }

.game:not([data-sensor-state="idle"]) .editorial__sensing strong { color: currentColor; }

.editorial__axis {
  position: absolute;
  opacity: 0.08;
  transition: opacity 180ms ease;
}

.editorial__axis--x {
  top: 50%;
  right: 0;
  left: 0;
  border-top: 1px dashed currentColor;
}

.editorial__axis--y {
  top: 0;
  bottom: 0;
  left: 50%;
  border-left: 1px dashed currentColor;
}

.game:not([data-sensor-state="idle"]) .editorial__axis { opacity: 0.14; }
.game[data-state="HIT"] .editorial { color: #fff4df; }
.game[data-state="MISS"] .editorial { color: rgba(237, 240, 233, 0.48); }

.game canvas:focus-visible { box-shadow: inset 0 0 0 3px var(--cyan); }

.game__start {
  z-index: 5;
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  justify-items: center;
  background:
    linear-gradient(90deg, transparent 0 49.94%, rgba(67, 196, 198, 0.22) 49.94% 50.06%, transparent 50.06%),
    rgba(16, 42, 53, 0.92);
  color: var(--paper);
  text-align: center;
}

.game__start[hidden] { display: none; }
.game__start p { margin: 0 0 1rem; color: var(--cyan); font-size: 0.65rem; }
.game__start strong { font: 800 clamp(2rem, 4.8vw, 4.8rem)/0.9 var(--sans); letter-spacing: -0.055em; }
.game__start span { margin: 1rem 0 1.4rem; color: #afbbb8; font-size: 0.62rem; }

.game__start button,
.game__session button,
.game__footer button {
  border: 1px solid currentColor;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font: 600 0.67rem/1 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.game__start button { padding: 0.9rem 1.2rem; }
.game__start button:hover,
.game__start button:focus-visible,
.game__session button:hover,
.game__session button:focus-visible { background: var(--cyan); color: var(--ink); }

.game__result {
  z-index: 4;
  position: absolute;
  top: 8%;
  left: 50%;
  min-width: 9rem;
  padding: 0.65rem 1rem;
  border: 1px solid rgba(16, 42, 53, 0.85);
  border-left: 5px solid var(--orange);
  background: rgba(237, 240, 233, 0.92);
  box-shadow: 8px 8px 0 rgba(16, 42, 53, 0.12);
  text-align: center;
  transform: translateX(-50%);
  animation: result-in 180ms cubic-bezier(.2, .9, .3, 1.1) both;
}

.game__result[hidden] { display: none; }
.game__result span { display: block; font-size: 0.52rem; }
.game__result strong { font: 800 1.8rem/1 var(--sans); }
.game__result.is-miss { border-left-color: var(--petrol); background: rgba(237, 240, 233, 0.86); }
.game__result-config {
  display: grid;
  margin-top: 0.55rem;
  padding-top: 0.45rem;
  grid-template-columns: repeat(3, auto);
  gap: 0.75rem;
  border-top: 1px solid rgba(16, 42, 53, 0.2);
  font-size: 0.43rem;
}
.game__result-config b { display: block; margin-top: 0.12rem; color: var(--petrol); font: 600 0.48rem/1 var(--mono); }

.game__session {
  position: absolute;
  z-index: 6;
  inset: 0;
  display: grid;
  place-items: center;
  padding: clamp(1rem, 3vw, 2.5rem);
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(16, 42, 53, 0.44), rgba(16, 42, 53, 0.22) 50%, rgba(16, 42, 53, 0.48)),
    rgba(16, 42, 53, 0.18);
  color: var(--ink);
  animation: session-curtain 400ms ease-out both;
  backdrop-filter: blur(1.5px) saturate(0.92);
}
.game__session[hidden] { display: none; }
.game__session.is-exiting { animation: session-out 260ms ease-in both; }

.session__grid {
  position: absolute;
  inset: 0;
  opacity: 0.34;
  background:
    linear-gradient(90deg, transparent 49.94%, rgba(237, 240, 233, 0.42) 49.94% 50.06%, transparent 50.06%),
    linear-gradient(rgba(237, 240, 233, 0.12) 1px, transparent 1px) 0 0 / 100% 25%,
    linear-gradient(90deg, rgba(237, 240, 233, 0.11) 1px, transparent 1px) 0 0 / 25% 100%;
  pointer-events: none;
}

.session__frame {
  position: relative;
  width: min(650px, 94%);
  max-height: 94%;
  padding: clamp(1.1rem, 2.4vw, 1.8rem);
  overflow: auto;
  border: 1px solid rgba(16, 42, 53, 0.92);
  border-top: 4px solid var(--orange);
  background: rgba(237, 240, 233, 0.95);
  box-shadow: 12px 12px 0 rgba(16, 42, 53, 0.2);
  animation: session-frame-in 420ms 360ms cubic-bezier(.18, .85, .28, 1) both;
}

.session__frame::before,
.session__frame::after {
  position: absolute;
  width: 18px;
  height: 18px;
  content: "";
  pointer-events: none;
}
.session__frame::before { top: 8px; left: 8px; border-top: 1px solid var(--cyan); border-left: 1px solid var(--cyan); }
.session__frame::after { right: 8px; bottom: 8px; border-right: 1px solid var(--orange); border-bottom: 1px solid var(--orange); }

.session__header,
.session__footer,
.session__scoreline,
.session__pitch-read {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.session__header { padding-bottom: 0.65rem; border-bottom: 1px solid var(--line); font-size: 0.52rem; }
.session__header span { color: var(--orange); }
.session__header b { color: var(--petrol); font-weight: 600; }

.session__identity {
  display: grid;
  margin: 1rem 0 0.75rem;
  grid-template-columns: 76px 1fr;
  gap: 1rem;
  align-items: center;
}
.session__emblem {
  width: 76px;
  aspect-ratio: 1;
  color: var(--orange);
  animation: session-emblem-in 400ms 720ms cubic-bezier(.2, .95, .25, 1.15) both;
}
.session__emblem svg { display: block; width: 100%; height: 100%; }
.session__identity p { margin: 0 0 0.3rem; color: var(--cyan); font-size: 0.48rem; }
.session__identity h3 { margin: 0; font: 800 clamp(1.55rem, 3.5vw, 2.75rem)/0.9 var(--sans); letter-spacing: -0.045em; }

.session__scoreline { padding: 0.72rem 0; border-block: 1px solid var(--line); }
.session__scoreline > strong { font: 800 clamp(1.1rem, 2.5vw, 1.7rem)/1 var(--sans); }
.session__scoreline > span { color: var(--muted); font-size: 0.5rem; }
.session__scoreline b { color: var(--ink); font: inherit; }

.session__metrics {
  display: grid;
  margin: 0;
  padding: 0.75rem 0;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line);
}
.session__metrics div { padding: 0 0.6rem; border-left: 1px solid var(--line); }
.session__metrics div:first-child { padding-left: 0; border-left: 0; }
.session__metrics dt { color: var(--muted); font-size: 0.44rem; }
.session__metrics dd { margin: 0.22rem 0 0; color: var(--petrol); font: 700 0.72rem/1 var(--mono); }

.session__interpretation { padding: 0.85rem 0 0.75rem; text-transform: none; }
.session__interpretation p { margin: 0 0 0.55rem; color: var(--ink); font: 500 0.76rem/1.45 var(--sans); letter-spacing: 0; }
.session__interpretation span { display: block; margin-top: 0.2rem; color: var(--muted); font-size: 0.48rem; text-transform: uppercase; }
.session__interpretation span b { color: var(--orange); font-weight: 700; }
.session__interpretation span i { color: var(--petrol); font-style: normal; }

.session__pitch-read { padding: 0.6rem 0; border-block: 1px solid var(--line); font-size: 0.48rem; }
.session__pitch-read b { margin-left: 0.4rem; color: var(--petrol); }
.session__footer { padding-top: 0.8rem; }
.session__footer small { color: var(--muted); font-size: 0.43rem; }
.game__session button { padding: 0.75rem 1rem; color: var(--ink); }

@keyframes session-curtain { from { opacity: 0; } to { opacity: 1; } }
@keyframes session-out { to { opacity: 0; } }
@keyframes session-frame-in {
  from { opacity: 0; transform: translateY(12px) scaleX(0.94); clip-path: inset(48% 0 48%); }
  to { opacity: 1; transform: none; clip-path: inset(0); }
}
@keyframes session-emblem-in {
  from { opacity: 0; transform: scale(0.55) rotate(-12deg); }
  to { opacity: 1; transform: none; }
}

@keyframes result-in {
  from { opacity: 0; transform: translateX(-50%) translateY(-8px) scaleX(0.88); }
  to { opacity: 1; transform: translateX(-50%) translateY(0) scaleX(1); }
}

.game__footer {
  display: grid;
  min-height: 62px;
  padding: 0.7rem 1.2rem;
  grid-template-columns: 1fr auto auto;
  gap: 1.2rem;
  align-items: center;
  border-top: 1px solid var(--ink);
}

.game[data-state="COMMIT"] .game__footer { box-shadow: inset 0 2px 0 var(--orange); }
.game[data-state="HIT"] .game__footer { box-shadow: inset 0 2px 0 var(--acid); }
.game[data-state="MISS"] .game__footer { box-shadow: inset 0 2px 0 var(--petrol); }

.game__footer > p { margin: 0; font-size: 0.64rem; }
.game__legend { display: flex; gap: 0.9rem; color: var(--muted); font-size: 0.52rem; }
.game__footer button { padding: 0.65rem 0.9rem; }
.game__footer button:hover { background: var(--ink); color: var(--paper); }
.game__controls { display: flex; gap: 0.45rem; }
.game__controls [data-audio-toggle] { min-width: 6.6rem; }
.game__controls [data-audio-toggle][aria-pressed="true"] {
  border-color: var(--muted);
  color: var(--muted);
}

.system-logic {
  margin-top: clamp(2.5rem, 6vw, 5.5rem);
  border-top: 1px solid var(--ink);
}

.system-logic__intro {
  display: grid;
  padding: clamp(1.4rem, 3vw, 2.5rem) 0;
  grid-template-columns: minmax(10rem, 0.7fr) minmax(0, 2fr);
  gap: clamp(1.5rem, 5vw, 5rem);
  border-bottom: 1px solid var(--line);
}
.system-logic__intro > p { margin: 0; color: var(--orange); font-size: 0.58rem; }
.system-logic__intro > div {
  display: grid;
  grid-template-columns: minmax(12rem, 0.9fr) minmax(16rem, 1.25fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: end;
}
.system-logic__intro h2 {
  margin: 0;
  font: 800 clamp(2rem, 4.2vw, 4.25rem)/0.84 var(--sans);
  letter-spacing: -0.065em;
}
.system-logic__intro div p {
  max-width: 39rem;
  margin: 0;
  color: var(--petrol);
  font: 500 clamp(0.8rem, 1.25vw, 1rem)/1.55 var(--sans);
  letter-spacing: 0;
  text-transform: none;
}

.system-logic__pipeline {
  display: grid;
  margin: 0;
  padding: 0;
  grid-template-columns: repeat(6, 1fr);
  border-bottom: 1px solid var(--ink);
  list-style: none;
}
.system-logic__pipeline li {
  position: relative;
  display: grid;
  min-width: 0;
  padding: clamp(0.9rem, 2vw, 1.4rem) clamp(0.45rem, 1.4vw, 1rem);
  gap: 0.25rem;
  border-right: 1px solid var(--line);
}
.system-logic__pipeline li:last-child { border-right: 0; background: var(--ink); color: var(--paper); }
.system-logic__pipeline li:not(:last-child)::after {
  position: absolute;
  z-index: 1;
  top: 50%;
  right: -0.3rem;
  width: 0.55rem;
  height: 0.55rem;
  border-top: 1px solid var(--orange);
  border-right: 1px solid var(--orange);
  background: var(--paper);
  content: "";
  transform: translateY(-50%) rotate(45deg);
}
.system-logic__pipeline span { color: var(--muted); font-size: 0.47rem; }
.system-logic__pipeline strong { font: 700 clamp(0.66rem, 1.3vw, 1rem)/1 var(--mono); letter-spacing: 0.04em; }
.system-logic__pipeline li:nth-child(2) strong,
.system-logic__pipeline li:nth-child(3) strong { color: var(--cyan); }
.system-logic__pipeline li:nth-child(4) strong { color: var(--lilac); }
.system-logic__pipeline li:nth-child(5) strong { color: var(--orange); }

.system-logic__controls {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--ink);
}
.system-logic__controls article {
  min-width: 0;
  padding: clamp(1.1rem, 2.5vw, 1.9rem);
  border-right: 1px solid var(--line);
}
.system-logic__controls article:last-child { border-right: 0; }
.system-logic__controls article > span { color: var(--muted); font-size: 0.48rem; }
.system-logic__controls h3 { margin: 0.55rem 0 0.4rem; font: 800 clamp(1.35rem, 2.6vw, 2.4rem)/1 var(--sans); letter-spacing: -0.04em; }
.system-logic__controls article > p {
  min-height: 2.8em;
  margin: 0;
  color: var(--petrol);
  font: 500 0.76rem/1.4 var(--sans);
  letter-spacing: 0;
  text-transform: none;
}
.system-logic__controls article > div {
  display: grid;
  margin-top: 1rem;
  grid-template-columns: auto minmax(1.5rem, 1fr) auto;
  gap: 0.5rem;
  align-items: center;
}
.system-logic__controls article b { color: var(--muted); font-size: clamp(0.4rem, 0.65vw, 0.52rem); font-weight: 500; }
.system-logic__controls article b:last-child { color: var(--orange); text-align: right; }
.system-logic__controls article i { height: 1px; background: var(--line); }
.system-logic__controls article i::after { content: "↔"; }
.system-logic__controls article i { display: grid; place-items: center; color: var(--petrol); font-style: normal; }
.system-logic__controls article i::after { padding: 0 0.25rem; background: var(--paper); transform: translateY(-1px); }

.system-logic__note {
  display: grid;
  padding: 1.25rem 0;
  grid-template-columns: minmax(10rem, 0.7fr) minmax(0, 2fr);
  gap: clamp(1.5rem, 5vw, 5rem);
  color: var(--muted);
}
.system-logic__note span { color: var(--lilac); font-size: 0.5rem; }
.system-logic__note p {
  max-width: 52rem;
  margin: 0;
  font: 500 0.76rem/1.5 var(--sans);
  letter-spacing: 0;
  text-transform: none;
}

.iteration-trail {
  margin-top: clamp(4rem, 9vw, 8rem);
  padding-top: 1px;
  border-top: 1px solid var(--ink);
  font-family: var(--mono);
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.iteration-trail__intro {
  display: grid;
  padding: clamp(1.4rem, 3vw, 2.5rem) 0 clamp(2.5rem, 6vw, 5rem);
  grid-template-columns: minmax(10rem, 0.7fr) minmax(0, 2fr);
  gap: clamp(1.5rem, 5vw, 5rem);
}
.iteration-trail__intro > p { margin: 0; color: var(--orange); font-size: 0.58rem; }
.iteration-trail__intro > div {
  display: grid;
  grid-template-columns: minmax(12rem, 0.9fr) minmax(16rem, 1.25fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: end;
}
.iteration-trail__intro h2 {
  margin: 0;
  font: 800 clamp(2rem, 4.2vw, 4.25rem)/0.84 var(--sans);
  letter-spacing: -0.065em;
}
.iteration-trail__intro div p {
  max-width: 37rem;
  margin: 0;
  color: var(--petrol);
  font: 500 clamp(0.8rem, 1.2vw, 0.96rem)/1.55 var(--sans);
  letter-spacing: 0;
  text-transform: none;
}

.iteration-trail__grid {
  position: relative;
  display: grid;
  padding-bottom: clamp(2rem, 5vw, 4rem);
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: clamp(0.75rem, 1.8vw, 1.5rem);
  row-gap: clamp(2.75rem, 6vw, 5.5rem);
}
.iteration-trail__grid::before {
  position: absolute;
  z-index: -1;
  top: 0;
  bottom: 0;
  left: 50%;
  border-left: 1px dashed var(--line);
  content: "";
}
.iteration-card { min-width: 0; align-self: start; }
.iteration-card--01 { grid-column: 1 / 9; }
.iteration-card--02 { grid-column: 4 / 8; }
.iteration-card--03 { grid-column: 8 / 12; }
.iteration-card--04 { grid-column: 5 / 13; }
.iteration-card--05 { grid-column: 2 / 6; }
.iteration-card--06 { grid-column: 6 / 10; }

.iteration-card__media {
  position: relative;
  padding: clamp(0.28rem, 0.65vw, 0.5rem);
  overflow: hidden;
  border: 1px solid var(--ink);
  background: var(--ink);
  box-shadow: 8px 8px 0 rgba(16, 42, 53, 0.1);
}
.iteration-card__media::after {
  position: absolute;
  right: 0.85rem;
  bottom: 0.85rem;
  width: 1rem;
  height: 1rem;
  border-right: 1px solid rgba(237, 240, 233, 0.7);
  border-bottom: 1px solid rgba(237, 240, 233, 0.7);
  content: "";
  pointer-events: none;
}
.iteration-card video {
  display: block;
  width: 100%;
  aspect-ratio: 1400 / 735;
  background: #193a43;
  filter: saturate(0.86) contrast(1.02);
  object-fit: cover;
  transition: filter 280ms ease, transform 500ms cubic-bezier(.2, .7, .2, 1);
}
.iteration-card:hover video,
.iteration-card:focus-within video { filter: saturate(1.04) contrast(1.04); transform: scale(1.008); }
.iteration-card__media > span,
.iteration-card__media > i {
  position: absolute;
  z-index: 2;
  padding: 0.3rem 0.4rem;
  background: rgba(16, 42, 53, 0.82);
  color: var(--paper);
  font-size: 0.46rem;
  font-style: normal;
  line-height: 1;
}
.iteration-card__media > span { top: 0.75rem; left: 0.75rem; color: var(--cyan); }
.iteration-card__media > i { right: 0.75rem; bottom: 0.75rem; }

.iteration-card > header {
  display: flex;
  margin-top: 0.85rem;
  gap: 0.8rem;
  align-items: baseline;
  border-bottom: 1px solid var(--line);
}
.iteration-card > header span { flex: 0 0 auto; color: var(--orange); font-size: 0.48rem; }
.iteration-card h3 {
  margin: 0 0 0.4rem;
  font: 800 clamp(0.95rem, 1.8vw, 1.5rem)/1 var(--sans);
  letter-spacing: -0.035em;
}
.iteration-card--large h3 { font-size: clamp(1.2rem, 2.4vw, 2rem); }
.iteration-card > p {
  max-width: 42rem;
  margin: 0.6rem 0 0;
  color: var(--muted);
  font: 500 clamp(0.68rem, 0.95vw, 0.78rem)/1.5 var(--sans);
  letter-spacing: 0;
  text-transform: none;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  white-space: nowrap !important;
}

@media (max-width: 46rem) {
  body { overflow-x: hidden; }
  body { background-position-x: -1.6rem, 0, 0; }
  .page-header { width: 100%; min-height: 72px; padding: 0 0.75rem; grid-template-columns: 1fr auto; }
  .page-header p { display: none; }
  .experience { width: 100%; padding: 1.5rem 0.75rem 3rem; }
  .experience__header { align-items: start; flex-direction: column; }
  .experience__header > p { display: none; }
  .experience__header h1 { font-size: clamp(2.7rem, 17vw, 4.6rem); }
  .game__readout { min-height: 60px; }
  .game__readout p { padding: 0.65rem 0.55rem; }
  .game__readout span { font-size: 0.45rem; }
  .game__readout strong { font-size: 0.65rem; }
  .game__tuning { grid-template-columns: repeat(3, 1fr); }
  .tuning__meta {
    display: grid;
    padding: 0.55rem 0.65rem;
    grid-column: 1 / -1;
    grid-template-columns: auto 1fr auto;
    gap: 0.6rem;
    align-items: center;
  }
  .tuning__meta strong { justify-self: center; }
  .tuning__meta small { justify-self: end; }
  .tuning__module { padding: 0.5rem 0.3rem 0.6rem; }
  .tuning__module legend { font-size: 0.46rem; }
  .tuning__module > div { margin-top: 0.35rem; }
  .tuning__module button { min-height: 2.35rem; padding-inline: 0.08rem; font-size: 0.42rem; }
  .game__stage { min-height: 0; }
  .game canvas {
    width: 100%;
    height: auto;
    min-height: 0;
    aspect-ratio: 1400 / 735;
    object-fit: initial;
  }
  .editorial { inset: 0.45rem; font-size: 0.42rem; }
  .editorial__corner--tl,
  .editorial__corner--tr { top: 0.2rem; }
  .editorial__corner--tl { left: 0.3rem; }
  .editorial__corner--tr { right: 0.3rem; }
  .editorial__corner--bl,
  .editorial__corner--br { display: none; }
  .editorial__axis { display: none; }
  .game__start { padding: 0.65rem; }
  .game__start p { display: none; }
  .game__start strong { font-size: clamp(1.15rem, 6vw, 1.65rem); }
  .game__start span { margin: 0.5rem 0 0.65rem; font-size: 0.43rem; }
  .game__start button { padding: 0.65rem 0.85rem; }
  .game__result { top: 0.5rem; padding: 0.45rem 0.65rem; }
  .game__result strong { font-size: 1.25rem; }
  .game__result-config { margin-top: 0.35rem; padding-top: 0.3rem; }
  .game__footer { padding: 0.75rem; grid-template-columns: 1fr; gap: 0.65rem; }
  .game__footer > p { font-size: 0.54rem; line-height: 1.45; }
  .game__legend { display: none; }
  .game__controls { display: grid; width: 100%; grid-template-columns: repeat(2, 1fr); }
  .game__controls button,
  .game__controls [data-audio-toggle] { width: 100%; min-width: 0; }
  .game__session {
    position: fixed;
    z-index: 30;
    padding: 0.5rem;
    overflow-y: auto;
  }
  .session__frame {
    width: min(100%, 34rem);
    max-height: calc(100dvh - 1rem);
    padding: 0.85rem;
    box-shadow: 6px 6px 0 rgba(16, 42, 53, 0.2);
  }
  .session__identity { grid-template-columns: 54px 1fr; gap: 0.65rem; }
  .session__emblem { width: 54px; }
  .session__identity h3 { font-size: 1.35rem; }
  .session__scoreline { align-items: flex-start; flex-direction: column; gap: 0.3rem; }
  .session__metrics { grid-template-columns: repeat(2, 1fr); row-gap: 0.65rem; }
  .session__metrics div:nth-child(3) { padding-left: 0; border-left: 0; }
  .session__pitch-read { gap: 0.35rem; font-size: 0.41rem; }
  .session__pitch-read span { display: grid; gap: 0.15rem; }
  .session__pitch-read b { margin-left: 0; }
  .session__footer small { display: none; }
  .system-logic { margin-top: 2.5rem; }
  .system-logic__intro { padding: 1.25rem 0; grid-template-columns: 1fr; gap: 0.85rem; }
  .system-logic__intro > div { grid-template-columns: 1fr; gap: 0.85rem; }
  .system-logic__intro h2 { font-size: clamp(2rem, 11vw, 3.2rem); }
  .system-logic__intro div p { font-size: 0.8rem; }
  .system-logic__pipeline li { padding: 0.7rem 0.22rem; }
  .system-logic__pipeline span { font-size: 0.38rem; }
  .system-logic__pipeline strong { font-size: clamp(0.42rem, 2.4vw, 0.58rem); }
  .system-logic__pipeline li:not(:last-child)::after { right: -0.18rem; width: 0.35rem; height: 0.35rem; }
  .system-logic__controls { grid-template-columns: 1fr; }
  .system-logic__controls article { padding: 1rem 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .system-logic__controls article:last-child { border-bottom: 0; }
  .system-logic__controls article > p { min-height: 0; }
  .system-logic__controls article > div { margin-top: 0.7rem; }
  .system-logic__note { padding: 1rem 0; grid-template-columns: 1fr; gap: 0.5rem; }
  .iteration-trail { margin-top: 4.25rem; }
  .iteration-trail__intro { padding: 1.25rem 0 2.5rem; grid-template-columns: 1fr; gap: 0.85rem; }
  .iteration-trail__intro > div { grid-template-columns: 1fr; gap: 0.85rem; }
  .iteration-trail__intro h2 { font-size: clamp(2rem, 11vw, 3.2rem); }
  .iteration-trail__intro div p { font-size: 0.8rem; }
  .iteration-trail__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 0.7rem;
    row-gap: 2.8rem;
  }
  .iteration-card--01,
  .iteration-card--04 { grid-column: 1 / -1; }
  .iteration-card--02,
  .iteration-card--05 { grid-column: 1; }
  .iteration-card--03,
  .iteration-card--06 { grid-column: 2; }
  .iteration-card__media { padding: 0.22rem; box-shadow: 4px 4px 0 rgba(16, 42, 53, 0.1); }
  .iteration-card__media > span,
  .iteration-card__media > i { padding: 0.2rem 0.26rem; font-size: 0.34rem; }
  .iteration-card__media > span { top: 0.45rem; left: 0.45rem; }
  .iteration-card__media > i { right: 0.45rem; bottom: 0.45rem; }
  .iteration-card > header { margin-top: 0.65rem; gap: 0.45rem; align-items: flex-start; flex-direction: column; }
  .iteration-card > header span { font-size: 0.4rem; }
  .iteration-card h3,
  .iteration-card--large h3 { font-size: clamp(0.82rem, 4vw, 1.15rem); }
  .iteration-card > p { margin-top: 0.45rem; font-size: 0.67rem; line-height: 1.45; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .game__session,
  .game__session.is-exiting,
  .session__frame,
  .session__emblem { animation-duration: 1ms; animation-delay: 0ms; }
}