:root {
  --ink: #11140f;
  --ink-soft: #22271e;
  --paper: #f2f0e6;
  --paper-deep: #e4e4d8;
  --white: #fbfaf4;
  --acid: #caff63;
  --acid-bright: #dcff94;
  --coral: #ff6547;
  --blue: #173247;
  --blue-light: #284b62;
  --muted: #74796d;
  --line: rgba(17, 20, 15, 0.18);
  --line-light: rgba(255, 255, 255, 0.18);
  --serif: "Instrument Serif", "Iowan Old Style", "Baskerville", Georgia, serif;
  --sans: "Manrope", "Avenir Next", sans-serif;
  --mono: "DM Mono", "SFMono-Regular", Consolas, monospace;
  --page-pad: clamp(1.25rem, 4vw, 4.75rem);
  --header-h: 5.25rem;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

p,
h1,
h2,
h3,
blockquote,
figure,
pre {
  margin: 0;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.65rem 1rem;
  color: var(--ink);
  background: var(--acid);
  font: 500 0.75rem/1 var(--mono);
  transform: translateY(-180%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 4px;
}

.site-header {
  position: fixed;
  z-index: 50;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-h);
  padding: 0 var(--page-pad);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.11);
  transition: background 260ms ease, backdrop-filter 260ms ease, height 260ms ease;
}

.site-header.is-scrolled {
  height: 4.4rem;
  background: rgba(17, 20, 15, 0.84);
  backdrop-filter: blur(18px);
}

.wordmark {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font: 500 1.05rem/1 var(--mono);
  letter-spacing: -0.04em;
}

.wordmark span:not(.wordmark__pulse) {
  color: var(--acid);
}

.wordmark__pulse {
  width: 0.48rem;
  height: 0.48rem;
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 0 0 rgba(202, 255, 99, 0.6);
  animation: pulse 2.3s infinite;
}

@keyframes pulse {
  0%, 55% { box-shadow: 0 0 0 0 rgba(202, 255, 99, 0.55); }
  100% { box-shadow: 0 0 0 0.7rem rgba(202, 255, 99, 0); }
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 3vw, 3.25rem);
}

.nav-links a,
.nav-paper {
  font: 400 0.68rem/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-links a {
  position: relative;
  color: rgba(255, 255, 255, 0.63);
  transition: color 180ms ease;
}

.nav-links a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -0.55rem;
  left: 0;
  height: 1px;
  background: var(--acid);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.nav-links a:hover {
  color: var(--white);
}

.nav-links a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-paper {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.nav-paper span {
  color: var(--acid);
  transition: transform 180ms ease;
}

.nav-paper:hover span {
  transform: translate(0.15rem, -0.15rem);
}

.hero {
  isolation: isolate;
  position: relative;
  min-height: max(900px, 100svh);
  padding: calc(var(--header-h) + clamp(3.5rem, 8vh, 7rem)) var(--page-pad) 3rem;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(27rem, 0.96fr);
  grid-template-rows: 1fr auto;
  column-gap: clamp(2.5rem, 6vw, 7.5rem);
  row-gap: 4rem;
  color: var(--white);
  background:
    radial-gradient(circle at 74% 52%, rgba(202, 255, 99, 0.08), transparent 26%),
    linear-gradient(135deg, #11140f 0%, #11140f 56%, #151d16 100%);
}

.hero__grid {
  position: absolute;
  z-index: -3;
  inset: 0;
  opacity: 0.34;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 5rem 5rem;
  mask-image: linear-gradient(to right, black, transparent 46%, black);
}

.hero__glow {
  position: absolute;
  z-index: -2;
  border: 1px solid rgba(202, 255, 99, 0.15);
  border-radius: 50%;
  pointer-events: none;
}

.hero__glow::after {
  content: "";
  position: absolute;
  inset: 14%;
  border: inherit;
  border-radius: inherit;
}

.hero__glow--one {
  width: 58rem;
  height: 58rem;
  top: 28%;
  right: -31rem;
}

.hero__glow--two {
  width: 22rem;
  height: 22rem;
  bottom: -13rem;
  left: 38%;
  border-color: rgba(255, 101, 71, 0.17);
}

.hero__copy {
  align-self: center;
  max-width: 48rem;
}

.eyebrow,
.mini-label,
.section-kicker,
.strategy__label,
.equation-card__label,
.band-principle__tag {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.eyebrow {
  margin-bottom: 1.5rem;
  color: rgba(255, 255, 255, 0.56);
  font-size: 0.68rem;
}

.eyebrow span {
  color: var(--acid);
}

.hero h1,
.tension h2,
.mechanism h2,
.results h2,
.cases h2,
.evidence h2,
.paper h2 {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.88;
}

.hero h1 {
  max-width: 8.5em;
  font-size: clamp(4.6rem, 8vw, 9.3rem);
}

.hero h1 em,
.tension h2 em,
.mechanism h2 em,
.results h2 em,
.cases h2 em,
.evidence h2 em,
.paper h2 em,
.closing blockquote em {
  color: var(--acid);
  font-weight: 400;
}

.hero__lede {
  max-width: 38rem;
  margin-top: 2rem;
  color: rgba(255, 255, 255, 0.68);
  font-size: clamp(1rem, 1.4vw, 1.25rem);
  line-height: 1.65;
}

.hero__actions,
.paper__links {
  margin-top: 2.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button {
  min-height: 3.2rem;
  padding: 0 1.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  border: 1px solid transparent;
  font: 500 0.71rem/1 var(--mono);
  letter-spacing: 0.065em;
  text-transform: uppercase;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button--acid {
  color: var(--ink);
  background: var(--acid);
}

.button--acid:hover {
  background: var(--acid-bright);
}

.button--quiet {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.22);
}

.button--quiet:hover {
  border-color: rgba(255, 255, 255, 0.55);
}

.button--ink {
  color: var(--white);
  background: var(--ink);
}

.button--ink:hover {
  background: var(--blue);
}

.button--line {
  border-color: var(--line);
}

.button--line:hover {
  border-color: var(--ink);
}

.authors {
  max-width: 36rem;
  margin-top: 3.75rem;
  padding-top: 1rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.authors div {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.authors span {
  font-family: var(--serif);
  font-size: 1.25rem;
}

.authors small {
  color: rgba(255, 255, 255, 0.44);
  font: 300 0.68rem/1.4 var(--mono);
}

.decoder-lab {
  position: relative;
  align-self: center;
  width: 100%;
  max-width: 42rem;
  min-height: 37rem;
  padding: clamp(1.1rem, 2.2vw, 2rem);
  color: var(--white);
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.17);
  box-shadow: 0 2rem 7rem rgba(0, 0, 0, 0.32);
  backdrop-filter: blur(9px);
}

.decoder-lab::before,
.decoder-lab::after {
  content: "";
  position: absolute;
  width: 0.55rem;
  height: 0.55rem;
  border-color: var(--acid);
  border-style: solid;
}

.decoder-lab::before {
  top: -1px;
  left: -1px;
  border-width: 2px 0 0 2px;
}

.decoder-lab::after {
  right: -1px;
  bottom: -1px;
  border-width: 0 2px 2px 0;
}

.lab__topline,
.lab__readout,
.control__labels {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.lab__topline {
  padding-bottom: 0.9rem;
  color: rgba(255, 255, 255, 0.5);
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
  font: 300 0.63rem/1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.lab__topline p:first-child span {
  margin-right: 0.45rem;
  color: var(--acid);
  font-size: 0.55rem;
}

.lab__readout {
  align-items: stretch;
  margin: 1.5rem 0 1.3rem;
}

.lab__readout > div {
  flex: 1;
  padding-right: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  border-right: 1px solid rgba(255, 255, 255, 0.13);
}

.lab__readout > div:not(:first-child) {
  padding-left: 0.85rem;
}

.lab__readout > div:last-child {
  border-right: 0;
}

.lab__readout > div > span {
  color: rgba(255, 255, 255, 0.42);
  font: 300 0.56rem/1.2 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.lab__readout strong {
  font: 400 clamp(1.3rem, 2.4vw, 2rem)/1 var(--mono);
}

.lab__readout strong small {
  color: rgba(255, 255, 255, 0.34);
  font-size: 0.62em;
}

.probability-plot {
  height: 17.5rem;
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
}

.plot__scale {
  padding: 0.15rem 0 0.1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.33);
  font: 300 0.54rem/1 var(--mono);
}

.plot__field {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  border-left: 1px solid rgba(255, 255, 255, 0.3);
  background-image: linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 100% 25%;
}

.bars {
  position: absolute;
  z-index: 2;
  inset: 0.6rem 0.55rem 0;
  display: flex;
  align-items: end;
  gap: clamp(0.15rem, 0.55vw, 0.45rem);
}

.probability-bar {
  flex: 1;
  min-width: 0;
  height: var(--bar-height);
  background: rgba(255, 255, 255, 0.16);
  transform-origin: bottom;
  transition: height 420ms cubic-bezier(0.2, 0.75, 0.25, 1), background 280ms ease, opacity 280ms ease;
}

.probability-bar.is-kept {
  background: var(--acid);
  box-shadow: 0 0 1.6rem rgba(202, 255, 99, 0.12);
}

.probability-bar.is-tail {
  opacity: 0.44;
  background: #7291a2;
}

.threshold {
  position: absolute;
  z-index: 4;
  right: 0;
  left: 0;
  bottom: var(--threshold-bottom, 50%);
  height: 1px;
  background: var(--coral);
  box-shadow: 0 0 0 1px rgba(255, 101, 71, 0.13), 0 0 1.5rem rgba(255, 101, 71, 0.22);
  transition: bottom 420ms cubic-bezier(0.2, 0.75, 0.25, 1);
}

.threshold span {
  position: absolute;
  top: -1.45rem;
  right: 0.4rem;
  color: var(--coral);
  font: 400 0.55rem/1 var(--mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.entropy-control {
  margin-top: 1.6rem;
}

.control__labels {
  margin-bottom: 0.55rem;
  color: rgba(255, 255, 255, 0.42);
  font: 300 0.55rem/1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.entropy-control input {
  width: 100%;
  height: 1.5rem;
  margin: 0;
  appearance: none;
  background: transparent;
  cursor: ew-resize;
}

.entropy-control input::-webkit-slider-runnable-track {
  height: 2px;
  background: linear-gradient(90deg, var(--acid), rgba(255, 255, 255, 0.2));
}

.entropy-control input::-webkit-slider-thumb {
  width: 0.9rem;
  height: 0.9rem;
  margin-top: -0.4rem;
  appearance: none;
  border: 2px solid var(--ink);
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 0 1px var(--acid);
}

.entropy-control input::-moz-range-track {
  height: 2px;
  background: rgba(255, 255, 255, 0.2);
}

.entropy-control input::-moz-range-progress {
  height: 2px;
  background: var(--acid);
}

.entropy-control input::-moz-range-thumb {
  width: 0.85rem;
  height: 0.85rem;
  border: 2px solid var(--ink);
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 0 1px var(--acid);
}

.entropy-control > p {
  margin-top: 0.45rem;
  color: rgba(255, 255, 255, 0.45);
  font: 300 0.61rem/1.5 var(--mono);
}

.hero__footnote {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.25rem;
  color: rgba(255, 255, 255, 0.4);
  border-top: 1px solid rgba(255, 255, 255, 0.13);
  font: 300 0.65rem/1.4 var(--mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero__footnote p {
  color: rgba(255, 255, 255, 0.65);
}

.section-pad {
  padding: clamp(6rem, 10vw, 10rem) var(--page-pad);
}

.section-kicker {
  padding-bottom: 1rem;
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  font-size: 0.63rem;
}

.section-kicker--light {
  color: rgba(255, 255, 255, 0.44);
  border-color: var(--line-light);
}

.tension__heading,
.results__heading,
.evidence__heading {
  margin-top: clamp(3rem, 6vw, 6rem);
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(18rem, 0.65fr);
  gap: clamp(2rem, 7vw, 8rem);
  align-items: end;
}

.tension h2,
.results h2,
.cases h2,
.evidence h2,
.paper h2 {
  font-size: clamp(4.1rem, 7.7vw, 8.5rem);
}

.tension h2 em,
.results h2 em,
.cases h2 em,
.paper h2 em {
  color: var(--coral);
}

.tension__heading > p,
.results__heading > p,
.evidence__heading > p {
  max-width: 35rem;
  padding-left: 1.2rem;
  color: var(--muted);
  border-left: 1px solid var(--line);
  font-size: clamp(0.95rem, 1.25vw, 1.12rem);
}

.strategy-grid {
  margin-top: clamp(4rem, 7vw, 7rem);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.strategy {
  min-height: 30rem;
  padding: clamp(1.4rem, 3vw, 3rem);
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line);
}

.strategy:last-child {
  border-right: 0;
}

.strategy--featured {
  position: relative;
  overflow: hidden;
  background: var(--acid);
}

.strategy--featured::after {
  content: "";
  position: absolute;
  width: 24rem;
  height: 24rem;
  right: -13rem;
  bottom: -13rem;
  border: 1px solid rgba(17, 20, 15, 0.18);
  border-radius: 50%;
  box-shadow: 0 0 0 3.3rem rgba(17, 20, 15, 0.035), 0 0 0 6.6rem rgba(17, 20, 15, 0.025);
}

.strategy__number {
  width: 3.6rem;
  height: 3.6rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  font: italic 2rem/1 var(--serif);
}

.strategy__label {
  margin-top: 4.5rem;
  color: var(--muted);
  font-size: 0.64rem;
}

.strategy h3 {
  margin-top: 0.7rem;
  font: 400 clamp(2rem, 3vw, 3.4rem)/1 var(--serif);
  letter-spacing: -0.03em;
}

.strategy > p:not(.strategy__label) {
  max-width: 24rem;
  margin-top: 1.4rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.strategy--featured .strategy__label,
.strategy--featured > p:not(.strategy__label) {
  color: rgba(17, 20, 15, 0.6);
}

.strategy__status {
  z-index: 1;
  margin-top: auto;
  padding-top: 2rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font: 400 0.62rem/1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.strategy__status span {
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  background: var(--coral);
}

.strategy--featured .strategy__status span {
  background: var(--ink);
  animation: pulse-dark 2.3s infinite;
}

@keyframes pulse-dark {
  0%, 55% { box-shadow: 0 0 0 0 rgba(17, 20, 15, 0.38); }
  100% { box-shadow: 0 0 0 0.65rem rgba(17, 20, 15, 0); }
}

.band-principle {
  margin-top: clamp(5rem, 9vw, 9rem);
  display: grid;
  grid-template-columns: 1fr minmax(14rem, 1.5fr) 1fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
}

.band-principle > div:last-child {
  text-align: right;
}

.band-principle__tag {
  color: var(--muted);
  font-size: 0.61rem;
}

.band-principle strong {
  margin-top: 0.4rem;
  display: block;
  font: 400 clamp(2.5rem, 4.5vw, 5rem)/1 var(--serif);
}

.band-principle p {
  margin-top: 0.7rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.band-principle__track {
  position: relative;
  height: 5rem;
}

.track__beam {
  position: absolute;
  top: 50%;
  right: 0;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--coral), var(--acid) 70%);
}

.track__beam::before,
.track__beam::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  transform: translateY(-50%);
}

.track__beam::before {
  left: 0;
  background: var(--ink);
  border: 0.3rem solid var(--coral);
}

.track__beam::after {
  right: 0;
  background: var(--ink);
  border: 0.3rem solid var(--acid);
}

.track__mode,
.track__threshold {
  position: absolute;
  color: var(--muted);
  font: 400 0.56rem/1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.track__mode {
  top: 0;
  right: 0;
}

.track__threshold {
  bottom: 0;
  left: 0;
}

.mechanism {
  color: var(--white);
  background: var(--blue);
}

.mechanism__intro {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(18rem, 0.6fr);
  column-gap: clamp(2rem, 7vw, 8rem);
}

.mechanism__intro .section-kicker {
  grid-column: 1 / -1;
}

.mechanism h2 {
  margin-top: clamp(3rem, 6vw, 6rem);
  font-size: clamp(4.1rem, 7.7vw, 8.5rem);
}

.mechanism__intro > p {
  align-self: end;
  max-width: 34rem;
  margin-bottom: 0.5rem;
  padding-left: 1.2rem;
  color: rgba(255, 255, 255, 0.57);
  border-left: 1px solid var(--line-light);
}

.equation-stack {
  margin-top: clamp(4rem, 8vw, 8rem);
  border-top: 1px solid var(--line-light);
}

.equation-card {
  min-height: 15rem;
  display: grid;
  grid-template-columns: 5rem minmax(0, 1fr) minmax(11rem, 0.32fr);
  align-items: center;
  gap: clamp(1rem, 4vw, 5rem);
  border-bottom: 1px solid var(--line-light);
}

.equation-card__index {
  align-self: start;
  padding-top: 1.4rem;
  color: rgba(255, 255, 255, 0.35);
  font: 300 0.62rem/1 var(--mono);
}

.equation-card__label {
  margin-bottom: 1.25rem;
  color: var(--acid);
  font-size: 0.6rem;
}

.equation {
  font: 300 clamp(1.65rem, 3vw, 3.2rem)/1.18 var(--mono);
  letter-spacing: -0.055em;
  white-space: nowrap;
}

.equation sub {
  font-size: 0.54em;
}

.equation-card__content > p:last-child {
  max-width: 44rem;
  margin-top: 1.3rem;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.8rem;
}

.equation-card__signal {
  height: 7.5rem;
  display: flex;
  align-items: end;
  justify-content: flex-end;
  gap: 0.45rem;
}

.signal--entropy span {
  width: 0.7rem;
  background: var(--acid);
}

.signal--entropy span:nth-child(1) { height: 90%; }
.signal--entropy span:nth-child(2) { height: 46%; }
.signal--entropy span:nth-child(3) { height: 24%; }
.signal--entropy span:nth-child(4) { height: 17%; }
.signal--entropy span:nth-child(5) { height: 10%; }
.signal--entropy span:nth-child(6) { height: 7%; }

.signal--band {
  position: relative;
  align-items: center;
}

.signal--band::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 0;
  left: 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.22);
}

.signal--band span {
  z-index: 1;
  position: absolute;
  top: 50%;
  border: 1px solid var(--acid);
  border-radius: 50%;
  transform: translateY(-50%);
}

.signal--band span:nth-child(1) { right: 0; width: 6rem; height: 6rem; }
.signal--band span:nth-child(2) { right: 1.1rem; width: 3.8rem; height: 3.8rem; }
.signal--band span:nth-child(3) { right: 2.25rem; width: 1.5rem; height: 1.5rem; background: var(--acid); }

.signal--support {
  align-items: center;
}

.signal--support span {
  width: 1.1rem;
  height: 1.1rem;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
}

.signal--support span:nth-child(-n + 2) {
  border-color: var(--acid);
  background: var(--acid);
  box-shadow: 0 0 1.5rem rgba(202, 255, 99, 0.18);
}

.implementation {
  margin-top: clamp(5rem, 9vw, 9rem);
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  border: 1px solid var(--line-light);
}

.implementation__copy {
  padding: clamp(1.8rem, 4vw, 4rem);
  border-right: 1px solid var(--line-light);
}

.mini-label {
  color: var(--acid);
  font-size: 0.62rem;
}

.implementation h3 {
  max-width: 12em;
  margin-top: 2rem;
  font: 400 clamp(2rem, 3vw, 3.4rem)/1 var(--serif);
  letter-spacing: -0.03em;
}

.implementation__copy > p:last-child {
  max-width: 28rem;
  margin-top: 1.5rem;
  color: rgba(255, 255, 255, 0.48);
  font-size: 0.82rem;
}

.implementation pre {
  padding: clamp(1.8rem, 4vw, 4rem);
  overflow-x: auto;
  display: flex;
  align-items: center;
  color: rgba(255, 255, 255, 0.75);
  background: rgba(0, 0, 0, 0.13);
  font: 300 clamp(0.67rem, 1.2vw, 0.95rem)/2.25 var(--mono);
}

.implementation code span {
  margin-right: 2rem;
  color: rgba(255, 255, 255, 0.23);
  user-select: none;
}

.results {
  background: var(--paper);
}

.metrics-grid {
  margin-top: clamp(4rem, 7vw, 7rem);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
}

.metric {
  min-height: 19rem;
  padding: clamp(1.3rem, 2.5vw, 2.4rem);
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line);
  background: var(--white);
}

.metric:last-child {
  border-right: 0;
}

.metric p,
.metric span {
  font: 400 0.62rem/1.5 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.metric p {
  color: var(--muted);
}

.metric strong {
  margin: auto 0 1.4rem;
  font: 400 clamp(2.8rem, 5vw, 5.6rem)/0.9 var(--serif);
  letter-spacing: -0.05em;
}

.metric strong small {
  font-size: 0.42em;
  letter-spacing: -0.02em;
}

.metric span {
  color: var(--muted);
  text-transform: none;
  letter-spacing: 0;
}

.metric--dark {
  color: var(--white);
  background: var(--ink);
}

.metric--dark p,
.metric--dark span {
  color: rgba(255, 255, 255, 0.5);
}

.metric--acid {
  background: var(--acid);
}

.metric--acid p,
.metric--acid span {
  color: rgba(17, 20, 15, 0.58);
}

.metric--outline {
  background: transparent;
}

.benchmark-panel {
  margin-top: 2rem;
  padding: clamp(1.5rem, 4vw, 4rem);
  background: var(--white);
  border: 1px solid var(--line);
}

.benchmark-panel__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--line);
}

.benchmark-panel__header .mini-label {
  color: var(--coral);
}

.benchmark-panel h3 {
  margin-top: 1rem;
  font: 400 clamp(2rem, 3.5vw, 3.8rem)/1 var(--serif);
  letter-spacing: -0.035em;
}

.benchmark-panel__header > p {
  color: var(--muted);
  font: 400 0.62rem/1 var(--mono);
  text-transform: uppercase;
}

.entropy-bars {
  padding: 3rem 0 2rem;
}

.entropy-row {
  display: grid;
  grid-template-columns: 5.5rem 1fr 5rem;
  align-items: center;
  gap: 1.25rem;
  min-height: 3.3rem;
  color: var(--muted);
  font: 400 0.7rem/1 var(--mono);
}

.entropy-row > div {
  height: 0.68rem;
  background: var(--paper-deep);
}

.entropy-row i {
  width: var(--value);
  height: 100%;
  display: block;
  background: #9ba196;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 900ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.benchmark-panel.is-visible .entropy-row i {
  transform: scaleX(1);
}

.entropy-row strong {
  color: var(--ink);
  font-weight: 500;
  text-align: right;
}

.entropy-row--topb {
  color: var(--ink);
  font-weight: 500;
}

.entropy-row--topb i {
  background: var(--coral);
}

.entropy-row--topb strong {
  color: var(--coral);
}

.benchmark-note {
  padding-top: 1rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 0.72rem;
}

.cases {
  background: #dfe4d0;
}

.cases__intro {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(18rem, 0.65fr);
  column-gap: clamp(2rem, 7vw, 8rem);
}

.cases__intro .section-kicker {
  grid-column: 1 / -1;
}

.cases h2 {
  margin-top: clamp(3rem, 6vw, 6rem);
}

.cases__intro > p {
  align-self: end;
  max-width: 32rem;
  margin-bottom: 0.5rem;
  padding-left: 1.2rem;
  color: rgba(17, 20, 15, 0.55);
  border-left: 1px solid var(--line);
}

.case-list {
  margin-top: clamp(4rem, 8vw, 8rem);
  border-top: 1px solid var(--line);
}

.case-row {
  min-height: 12rem;
  display: grid;
  grid-template-columns: minmax(16rem, 1.3fr) minmax(12rem, 0.8fr) minmax(17rem, 0.9fr);
  align-items: stretch;
  border-bottom: 1px solid var(--line);
}

.case-row__prompt,
.case-row__answer {
  padding: clamp(1.4rem, 3vw, 3rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-right: 1px solid var(--line);
}

.case-row__prompt span,
.case-row__answer span,
.support-compare span,
.support-compare small {
  color: var(--muted);
  font: 400 0.59rem/1.3 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.case-row__prompt q {
  max-width: 22em;
  margin-top: 0.75rem;
  quotes: none;
  font: 400 clamp(1.45rem, 2.3vw, 2.4rem)/1.1 var(--serif);
  letter-spacing: -0.025em;
}

.case-row__answer strong {
  margin-top: 0.75rem;
  font: 500 0.8rem/1.6 var(--mono);
}

.support-compare {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

.support-compare > div {
  padding: 1.35rem;
  display: grid;
  place-items: center;
  align-content: center;
  text-align: center;
}

.support-compare > div:first-child {
  color: var(--ink);
  background: var(--acid);
}

.support-compare > div:last-child {
  border-left: 1px solid var(--line);
}

.support-compare strong {
  margin: 0.35rem 0;
  font: 400 clamp(2.5rem, 4.5vw, 4.8rem)/0.9 var(--serif);
}

.support-compare > div:first-child span,
.support-compare > div:first-child small {
  color: rgba(17, 20, 15, 0.62);
}

.evidence {
  color: var(--white);
  background: #101a20;
}

.evidence__heading h2 {
  color: var(--white);
}

.evidence__heading > p {
  color: rgba(255, 255, 255, 0.5);
  border-color: var(--line-light);
}

.figure-browser {
  margin-top: clamp(4rem, 7vw, 7rem);
  display: grid;
  grid-template-columns: minmax(15rem, 0.35fr) minmax(0, 1.65fr);
  border: 1px solid var(--line-light);
}

.figure-tabs {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line-light);
}

.figure-tab {
  flex: 1;
  min-height: 5.8rem;
  padding: 1.35rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  color: rgba(255, 255, 255, 0.46);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line-light);
  font: 300 0.67rem/1.35 var(--mono);
  text-align: left;
  cursor: pointer;
  transition: color 180ms ease, background 180ms ease;
}

.figure-tab:last-child {
  border-bottom: 0;
}

.figure-tab span {
  color: rgba(255, 255, 255, 0.22);
}

.figure-tab:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.03);
}

.figure-tab.is-active {
  color: var(--ink);
  background: var(--acid);
}

.figure-tab.is-active span {
  color: rgba(17, 20, 15, 0.45);
}

.figure-stage {
  min-width: 0;
  background: var(--white);
}

.figure-stage > a {
  min-height: 34rem;
  padding: clamp(1rem, 3vw, 3rem);
  display: grid;
  place-items: center;
  overflow: hidden;
}

.figure-stage img {
  max-height: 36rem;
  width: 100%;
  object-fit: contain;
  transition: opacity 160ms ease, transform 260ms ease;
}

.figure-stage > a:hover img {
  transform: scale(1.012);
}

.figure-stage img.is-changing {
  opacity: 0;
}

.figure-stage figcaption {
  min-height: 7rem;
  padding: 1.3rem clamp(1.2rem, 3vw, 2.5rem);
  display: grid;
  grid-template-columns: minmax(13rem, 0.5fr) minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: center;
  color: var(--ink);
  background: var(--paper-deep);
  border-top: 1px solid var(--line);
}

.figure-stage figcaption strong {
  font: 500 0.74rem/1.4 var(--mono);
}

.figure-stage figcaption p {
  color: var(--muted);
  font-size: 0.75rem;
}

.figure-stage figcaption span {
  color: var(--muted);
  font: 400 0.56rem/1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.paper {
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(26rem, 0.97fr);
  gap: clamp(3rem, 8vw, 9rem);
  align-items: end;
  background: var(--paper);
}

.paper__summary .section-kicker {
  margin-bottom: clamp(3rem, 6vw, 6rem);
}

.paper__summary > p {
  max-width: 39rem;
  margin-top: 2rem;
  color: var(--muted);
  font-size: 1rem;
}

.citation-card {
  border: 1px solid var(--line);
  background: var(--white);
}

.citation-card__header {
  min-height: 4rem;
  padding: 0 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--line);
  font: 400 0.62rem/1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.citation-card__header p span {
  margin-right: 0.45rem;
  color: var(--coral);
}

.citation-card__header button {
  padding: 0;
  color: var(--muted);
  background: transparent;
  border: 0;
  font: inherit;
  text-transform: inherit;
  cursor: pointer;
  transition: color 180ms ease;
}

.citation-card__header button:hover {
  color: var(--coral);
}

.citation-card pre {
  padding: clamp(1.3rem, 3vw, 2.5rem);
  overflow-x: auto;
  color: #3d4438;
  font: 300 clamp(0.66rem, 1vw, 0.82rem)/1.85 var(--mono);
}

.copy-status {
  min-height: 1.8rem;
  padding: 0 1.25rem 0.8rem;
  color: var(--coral);
  font: 400 0.58rem/1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.closing {
  isolation: isolate;
  position: relative;
  min-height: 90svh;
  padding: clamp(6rem, 12vw, 12rem) var(--page-pad);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  background: var(--ink);
}

.closing::before,
.closing::after {
  content: "";
  position: absolute;
  z-index: -1;
  border: 1px solid rgba(202, 255, 99, 0.14);
  border-radius: 50%;
}

.closing::before {
  width: min(75vw, 70rem);
  height: min(75vw, 70rem);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.closing::after {
  width: min(52vw, 48rem);
  height: min(52vw, 48rem);
  top: 50%;
  left: 50%;
  border-color: rgba(255, 101, 71, 0.14);
  transform: translate(-50%, -50%);
}

.closing__noise {
  position: absolute;
  z-index: -2;
  inset: 0;
  opacity: 0.13;
  background-image:
    repeating-radial-gradient(circle at 50% 50%, transparent 0 1px, rgba(255, 255, 255, 0.08) 1px 2px);
  background-size: 4px 4px;
  mask-image: radial-gradient(circle, black, transparent 65%);
}

.closing blockquote {
  max-width: 14em;
  margin: 3rem 0;
  font: 400 clamp(3.3rem, 7.2vw, 8rem)/0.92 var(--serif);
  letter-spacing: -0.045em;
}

.site-footer {
  min-height: 14rem;
  padding: 2.5rem var(--page-pad);
  display: grid;
  grid-template-columns: 0.4fr 1fr 0.6fr;
  gap: 2rem;
  align-items: end;
  color: rgba(255, 255, 255, 0.5);
  background: #090b08;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font: 300 0.65rem/1.6 var(--mono);
}

.wordmark--footer {
  color: var(--white);
}

.site-footer > p {
  max-width: 34rem;
}

.site-footer > div {
  display: flex;
  justify-content: flex-end;
  gap: 1.5rem;
}

.site-footer a:hover {
  color: var(--acid);
}

.js .reveal {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.js .reveal--delay-sm {
  transition-delay: 80ms;
}

.js .reveal--delay {
  transition-delay: 160ms;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1120px) {
  .hero {
    grid-template-columns: minmax(0, 0.9fr) minmax(24rem, 1.1fr);
    column-gap: 2rem;
  }

  .hero h1 {
    font-size: clamp(4.2rem, 7vw, 6.5rem);
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .metric {
    border-bottom: 1px solid var(--line);
  }

  .metric:nth-child(2) {
    border-right: 0;
  }

  .metric:nth-child(n + 3) {
    border-bottom: 0;
  }

  .figure-stage figcaption {
    grid-template-columns: 1fr;
    gap: 0.7rem;
  }
}

@media (max-width: 860px) {
  :root {
    --header-h: 4.5rem;
  }

  .site-header {
    grid-template-columns: 1fr 1fr;
  }

  .nav-links {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--header-h) + 4.5rem);
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    row-gap: 4rem;
  }

  .hero__copy {
    max-width: none;
  }

  .decoder-lab {
    max-width: none;
  }

  .hero__footnote {
    grid-column: auto;
  }

  .tension__heading,
  .results__heading,
  .evidence__heading,
  .mechanism__intro,
  .cases__intro,
  .paper {
    grid-template-columns: 1fr;
  }

  .tension__heading > p,
  .results__heading > p,
  .evidence__heading > p,
  .mechanism__intro > p,
  .cases__intro > p {
    align-self: auto;
    margin: 0;
  }

  .strategy-grid {
    grid-template-columns: 1fr;
  }

  .strategy {
    min-height: 22rem;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .strategy:last-child {
    border-bottom: 0;
  }

  .strategy__label {
    margin-top: 3rem;
  }

  .band-principle {
    grid-template-columns: 1fr;
  }

  .band-principle > div:last-child {
    text-align: left;
  }

  .equation-card {
    grid-template-columns: 3rem minmax(0, 1fr);
    padding: 2rem 0;
  }

  .equation-card__signal {
    display: none;
  }

  .implementation {
    grid-template-columns: 1fr;
  }

  .implementation__copy {
    border-right: 0;
    border-bottom: 1px solid var(--line-light);
  }

  .case-row {
    grid-template-columns: 1fr 1fr;
  }

  .support-compare {
    grid-column: 1 / -1;
    min-height: 9rem;
    border-top: 1px solid var(--line);
  }

  .case-row__answer {
    border-right: 0;
  }

  .figure-browser {
    grid-template-columns: 1fr;
  }

  .figure-tabs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    border-right: 0;
    border-bottom: 1px solid var(--line-light);
  }

  .figure-tab {
    border-right: 1px solid var(--line-light);
  }

  .figure-tab:nth-child(2) {
    border-right: 0;
  }

  .figure-tab:nth-child(3) {
    border-bottom: 0;
  }

  .paper {
    align-items: start;
  }

  .site-footer {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .site-footer > div {
    justify-content: flex-start;
  }
}

@media (max-width: 580px) {
  :root {
    --page-pad: 1.15rem;
  }

  .site-header {
    padding: 0 1.15rem;
  }

  .hero {
    padding-top: 7.5rem;
    padding-bottom: 1.7rem;
  }

  .hero h1,
  .tension h2,
  .mechanism h2,
  .results h2,
  .cases h2,
  .evidence h2,
  .paper h2 {
    font-size: clamp(3.55rem, 18vw, 5.2rem);
    line-height: 0.9;
  }

  .hero__lede {
    font-size: 0.95rem;
  }

  .authors {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

  .decoder-lab {
    min-height: auto;
    padding: 1rem;
  }

  .lab__readout {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }

  .lab__readout > div {
    padding-right: 0.5rem;
  }

  .lab__readout > div:not(:first-child) {
    padding-left: 0.5rem;
  }

  .lab__readout strong {
    font-size: 1.15rem;
  }

  .probability-plot {
    height: 14rem;
    grid-template-columns: 1.8rem 1fr;
  }

  .hero__footnote {
    align-items: flex-start;
    gap: 1rem;
  }

  .hero__footnote p {
    max-width: 17rem;
    text-align: right;
  }

  .section-pad {
    padding-top: 5.5rem;
    padding-bottom: 5.5rem;
  }

  .tension__heading,
  .results__heading,
  .evidence__heading {
    margin-top: 3.5rem;
    gap: 2.5rem;
  }

  .metrics-grid {
    grid-template-columns: 1fr;
  }

  .metric,
  .metric:nth-child(2),
  .metric:nth-child(n + 3) {
    min-height: 15.5rem;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .metric:last-child {
    border-bottom: 0;
  }

  .benchmark-panel__header {
    flex-direction: column;
  }

  .entropy-row {
    grid-template-columns: 4.5rem 1fr 4.3rem;
    gap: 0.6rem;
    font-size: 0.61rem;
  }

  .equation-card {
    grid-template-columns: 1fr;
  }

  .equation-card__index {
    padding-top: 0;
  }

  .equation {
    font-size: clamp(1.2rem, 5.1vw, 1.65rem);
    white-space: normal;
  }

  .implementation pre {
    font-size: 0.58rem;
  }

  .implementation code span {
    margin-right: 0.8rem;
  }

  .case-row {
    grid-template-columns: 1fr;
  }

  .case-row__prompt,
  .case-row__answer {
    min-height: 8.5rem;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .support-compare {
    grid-column: auto;
  }

  .figure-tabs {
    grid-template-columns: 1fr;
  }

  .figure-tab,
  .figure-tab:nth-child(2),
  .figure-tab:nth-child(3) {
    min-height: 4.7rem;
    border-right: 0;
    border-bottom: 1px solid var(--line-light);
  }

  .figure-tab:last-child {
    border-bottom: 0;
  }

  .figure-stage > a {
    min-height: 21rem;
    padding: 0.6rem;
  }

  .citation-card pre {
    font-size: 0.58rem;
  }

  .closing {
    min-height: 78svh;
  }

  .closing blockquote {
    font-size: clamp(3rem, 15vw, 5rem);
  }

  .site-footer {
    min-height: 20rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}