:root {
  --paper: #e7e3d8;
  --paper-soft: #c8c4b9;
  --ink: #080a08;
  --field: #090c09;
  --field-soft: #111711;
  --signal: #a8ff71;
  --signal-dim: #5f9a44;
  --gold: #e2bc58;
  --line-dark: rgba(231, 227, 216, 0.2);
  --line-light: rgba(8, 10, 8, 0.24);
  --display: "Archivo Black", Impact, sans-serif;
  --body: "DM Sans", Arial, sans-serif;
  --mono: "Space Mono", monospace;
  --page: clamp(22px, 4.5vw, 78px);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

html {
  background: var(--field);
  color: var(--paper);
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: clip;
  background:
    radial-gradient(circle at 72% 10%, rgba(168, 255, 113, 0.06), transparent 30%),
    var(--field);
  color: var(--paper);
  font-family: var(--body);
  font-weight: 400;
}

a { color: inherit; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  transform: translateY(-160%);
  background: var(--signal);
  color: var(--ink);
  font: 700 11px/1 var(--mono);
}
.skip-link:focus { transform: translateY(0); }

.field {
  position: fixed;
  z-index: -1;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.field__beam {
  position: absolute;
  top: -18vh;
  width: 1px;
  height: 136vh;
  transform-origin: top;
  background: linear-gradient(to bottom, transparent, rgba(168, 255, 113, 0.2), transparent 72%);
}
.field__beam--one { left: 22%; transform: rotate(9deg); }
.field__beam--two { left: 50%; transform: rotate(-4deg); }
.field__beam--three { left: 81%; transform: rotate(6deg); }

.field__grain {
  position: absolute;
  inset: -80px;
  opacity: 0.055;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.site-rail {
  position: relative;
  z-index: 10;
  display: flex;
  min-height: 80px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px var(--page);
  border-bottom: 1px solid var(--line-dark);
  background: rgba(8, 10, 8, 0.86);
  backdrop-filter: blur(16px);
}

.studio-mark {
  display: flex;
  align-items: center;
  gap: 13px;
  text-decoration: none;
}
.studio-mark img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  filter: grayscale(1) contrast(1.3);
}
.studio-mark span {
  display: grid;
  gap: 5px;
  font: 400 13px/1 var(--display);
  letter-spacing: 0.08em;
}
.studio-mark small {
  color: var(--signal);
  font: 700 7px/1 var(--mono);
  letter-spacing: 0.16em;
}

.site-rail > p {
  display: flex;
  gap: 18px;
  margin: 0;
  color: var(--paper-soft);
  font: 700 8px/1.4 var(--mono);
  letter-spacing: 0.12em;
}
.site-rail > p span { color: var(--signal); }

.hero {
  position: relative;
  min-height: calc(100svh - 80px);
  padding: clamp(28px, 4vw, 60px) var(--page) clamp(80px, 10vw, 150px);
  border-bottom: 1px solid var(--line-dark);
}

.hero__meta {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-dark);
  color: var(--paper-soft);
  font: 700 8px/1.2 var(--mono);
  letter-spacing: 0.12em;
}

.hero__title {
  position: relative;
  margin-top: clamp(58px, 8vw, 120px);
}
.hero__title > p {
  margin: 0 0 8px 0.45vw;
  color: var(--signal);
  font: 700 clamp(12px, 1.2vw, 18px)/1 var(--mono);
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.hero h1 {
  max-width: 1180px;
  margin: 0;
  font: 400 clamp(82px, 16vw, 250px)/0.75 var(--display);
  letter-spacing: -0.075em;
  text-transform: uppercase;
}
.hero h1 span {
  display: inline-block;
  margin-left: clamp(32px, 10vw, 170px);
  color: transparent;
  -webkit-text-stroke: 1px var(--paper);
}

.hero__intro {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.55fr);
  gap: clamp(42px, 10vw, 180px);
  align-items: end;
  max-width: 1360px;
  margin-top: clamp(70px, 10vw, 150px);
}
.hero__intro p { margin: 0; }
.hero__lede {
  font-size: clamp(32px, 4.4vw, 72px);
  font-weight: 300;
  line-height: 0.98;
  letter-spacing: -0.04em;
}
.hero__intro p:last-child {
  color: var(--paper-soft);
  font-size: clamp(16px, 1.4vw, 21px);
  line-height: 1.65;
}

.door-plan {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 1500px;
  margin-top: clamp(80px, 12vw, 180px);
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
}

.door {
  position: relative;
  display: flex;
  min-height: 360px;
  flex-direction: column;
  padding: clamp(22px, 2.7vw, 42px);
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  background: rgba(255, 255, 255, 0.015);
  transition: background 0.45s ease, color 0.45s ease, transform 0.7s var(--ease);
}
.js .door {
  opacity: 0;
  transform: translateY(22px);
}
.js .door.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.door:hover {
  background: var(--signal);
  color: var(--ink);
}
.door > span,
.door > small {
  font: 700 8px/1.5 var(--mono);
  letter-spacing: 0.12em;
}
.door > span { color: var(--signal); }
.door:hover > span { color: var(--ink); }
.door strong {
  margin-top: auto;
  font: 400 clamp(30px, 3vw, 48px)/0.9 var(--display);
  letter-spacing: -0.035em;
}
.door p {
  max-width: 330px;
  margin: 24px 0 32px;
  color: var(--paper-soft);
  line-height: 1.5;
}
.door:hover p { color: rgba(8, 10, 8, 0.72); }
.door > small { margin-top: auto; }
.door--human {
  grid-column: 1 / -1;
  min-height: 260px;
  background: var(--paper);
  color: var(--ink);
}
.door--human > span { color: var(--signal-dim); }
.door--human strong { font-size: clamp(54px, 7vw, 110px); }
.door--human p { max-width: 680px; color: rgba(8, 10, 8, 0.68); }
.door--human:hover { background: var(--gold); }

.essay {
  background: var(--paper);
  color: var(--ink);
}

.chapter {
  display: grid;
  grid-template-columns: minmax(70px, 0.18fr) minmax(0, 1fr);
  gap: clamp(24px, 5vw, 90px);
  min-height: 80vh;
  padding: clamp(82px, 12vw, 180px) var(--page);
  border-bottom: 1px solid var(--line-light);
  transition: opacity 0.8s ease, transform 0.9s var(--ease);
}
.js .chapter {
  opacity: 0;
  transform: translateY(26px);
}
.js .chapter.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.chapter__number {
  color: rgba(8, 10, 8, 0.42);
  font: 400 clamp(54px, 7vw, 108px)/0.8 var(--display);
}

.chapter__copy {
  width: min(100%, 1120px);
  justify-self: center;
}
.kicker {
  margin: 0 0 clamp(32px, 4vw, 60px);
  color: rgba(8, 10, 8, 0.55);
  font: 700 9px/1.4 var(--mono);
  letter-spacing: 0.16em;
}
.chapter h2 {
  max-width: 980px;
  margin: 0 0 clamp(54px, 7vw, 100px);
  font: 400 clamp(54px, 8vw, 128px)/0.82 var(--display);
  letter-spacing: -0.06em;
}
.chapter__copy > p:not(.kicker) {
  max-width: 830px;
  margin: 0 0 28px;
  font-size: clamp(18px, 1.55vw, 24px);
  line-height: 1.68;
}
.chapter__copy > p.large {
  max-width: 980px;
  margin-bottom: 50px;
  font-size: clamp(29px, 3.5vw, 56px);
  font-weight: 300;
  line-height: 1.13;
  letter-spacing: -0.035em;
}

blockquote {
  max-width: 920px;
  margin: clamp(62px, 8vw, 120px) 0 0;
  padding: 26px 0 26px clamp(22px, 3vw, 48px);
  border-left: 4px solid var(--signal-dim);
  font-size: clamp(28px, 3.4vw, 54px);
  font-weight: 300;
  line-height: 1.16;
  letter-spacing: -0.035em;
}

.chapter--dark,
.chapter--night {
  background: var(--field);
  color: var(--paper);
}
.chapter--dark .chapter__number,
.chapter--night .chapter__number { color: rgba(231, 227, 216, 0.3); }
.chapter--dark .kicker,
.chapter--night .kicker { color: var(--signal); }

.truth-box {
  max-width: 900px;
  margin-top: clamp(60px, 8vw, 110px);
  padding: clamp(26px, 4vw, 54px);
  border: 1px solid var(--line-dark);
  background: var(--field-soft);
}
.truth-box span {
  color: var(--signal);
  font: 700 8px/1 var(--mono);
  letter-spacing: 0.14em;
}
.truth-box p {
  margin: 24px 0 0;
  color: var(--paper-soft);
  font-size: clamp(18px, 1.8vw, 27px);
  line-height: 1.6;
}

.signal-equation {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 18px;
  align-items: stretch;
  margin-top: clamp(70px, 8vw, 110px);
  border-top: 1px solid var(--line-light);
  border-left: 1px solid var(--line-light);
}
.signal-equation span,
.signal-equation strong,
.signal-equation i {
  display: grid;
  min-height: 140px;
  place-items: center;
  padding: 22px;
  border-right: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
  text-align: center;
}
.signal-equation span,
.signal-equation strong {
  font: 400 clamp(16px, 2vw, 28px)/1.05 var(--display);
}
.signal-equation i {
  min-width: 54px;
  color: rgba(8, 10, 8, 0.55);
  font: 400 18px/1 var(--mono);
}
.signal-equation strong { background: var(--signal); }

.working-loop {
  max-width: 960px;
  margin: 0 0 clamp(60px, 8vw, 110px);
  padding: 0;
  border-top: 1px solid var(--line-light);
  list-style: none;
}
.working-loop li {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 24px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line-light);
}
.working-loop li > span {
  color: var(--signal-dim);
  font: 700 10px/1.4 var(--mono);
}
.working-loop strong {
  font-size: clamp(22px, 2.2vw, 34px);
  font-weight: 500;
}
.working-loop p {
  margin: 8px 0 0;
  color: rgba(8, 10, 8, 0.62);
  font-size: 17px;
  line-height: 1.55;
}

.chapter--shift {
  position: relative;
  overflow: hidden;
  background: var(--gold);
}
.chapter--shift::after {
  position: absolute;
  right: -18vw;
  bottom: -26vw;
  width: 65vw;
  aspect-ratio: 1;
  border: 1px solid rgba(8, 10, 8, 0.24);
  border-radius: 50%;
  box-shadow:
    inset 0 0 0 10vw rgba(8, 10, 8, 0.025),
    inset 0 0 0 20vw rgba(8, 10, 8, 0.025);
  content: "";
}
.chapter--shift .chapter__copy,
.chapter--shift .chapter__number { position: relative; z-index: 1; }
.chapter--shift blockquote { border-color: var(--ink); }

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: clamp(60px, 8vw, 110px) 0;
  border-top: 1px solid var(--line-light);
  border-left: 1px solid var(--line-light);
}
.evidence-grid div {
  display: flex;
  min-height: 250px;
  flex-direction: column;
  padding: clamp(20px, 2.5vw, 38px);
  border-right: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}
.evidence-grid span {
  font: 400 clamp(22px, 2.4vw, 36px)/1 var(--display);
}
.evidence-grid p {
  margin: auto 0 0;
  color: rgba(8, 10, 8, 0.62);
  line-height: 1.55;
}
.evidence-grid div:last-child {
  background: var(--ink);
  color: var(--paper);
}
.evidence-grid div:last-child p { color: var(--paper-soft); }

.night-receipt {
  max-width: 920px;
  margin-top: clamp(70px, 9vw, 130px);
  padding: clamp(28px, 5vw, 66px);
  border: 1px solid var(--signal-dim);
  box-shadow: 0 0 80px rgba(168, 255, 113, 0.055);
}
.night-receipt span {
  color: var(--signal);
  font: 700 8px/1 var(--mono);
  letter-spacing: 0.15em;
}
.night-receipt strong {
  display: block;
  max-width: 700px;
  margin-top: 30px;
  font: 400 clamp(36px, 5vw, 76px)/0.92 var(--display);
  letter-spacing: -0.04em;
}
.night-receipt p {
  margin: 50px 0 0;
  color: var(--paper-soft);
  font: 700 9px/1.5 var(--mono);
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.chapter--closing {
  min-height: 100svh;
  background: var(--signal);
}
.chapter--closing h2 { font-size: clamp(48px, 7.5vw, 118px); }
.chapter--closing .kicker { color: rgba(8, 10, 8, 0.62); }

.postscript {
  display: grid;
  grid-template-columns: 0.4fr 1fr auto;
  gap: clamp(32px, 6vw, 100px);
  align-items: start;
  padding: clamp(70px, 9vw, 130px) var(--page);
  border-bottom: 1px solid var(--line-dark);
  background: var(--field);
  transition: opacity 0.8s ease, transform 0.9s var(--ease);
}
.js .postscript { opacity: 0; transform: translateY(20px); }
.js .postscript.is-visible { opacity: 1; transform: translateY(0); }
.postscript > span {
  color: var(--signal);
  font: 700 8px/1.5 var(--mono);
  letter-spacing: 0.14em;
}
.postscript p {
  max-width: 760px;
  margin: 0;
  font-size: clamp(24px, 3vw, 46px);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.035em;
}
.postscript a {
  padding-bottom: 8px;
  border-bottom: 1px solid var(--signal);
  color: var(--signal);
  font: 700 9px/1 var(--mono);
  letter-spacing: 0.1em;
  text-decoration: none;
}
.postscript a b { margin-left: 12px; }

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding: 34px var(--page);
  background: var(--field);
  color: var(--paper-soft);
  font: 700 7px/1.5 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.site-footer p {
  max-width: 560px;
  margin: 0;
}
.site-footer p:last-child { text-align: right; }

@media (max-width: 960px) {
  .door-plan { grid-template-columns: 1fr; }
  .door--human { grid-column: auto; }
  .door { min-height: 310px; }
  .evidence-grid { grid-template-columns: 1fr 1fr; }
  .postscript { grid-template-columns: 1fr; }
  .postscript a { width: fit-content; }
}

@media (max-width: 720px) {
  .site-rail { min-height: 66px; }
  .studio-mark img { width: 34px; height: 34px; }
  .site-rail > p { display: none; }
  .hero { min-height: auto; }
  .hero__meta { align-items: flex-start; flex-direction: column; gap: 10px; }
  .hero__title { margin-top: 64px; }
  .hero h1 { font-size: clamp(74px, 26vw, 150px); }
  .hero h1 span { margin-left: 18px; }
  .hero__intro { grid-template-columns: 1fr; gap: 34px; }
  .door-plan { margin-top: 88px; }
  .chapter { grid-template-columns: 1fr; min-height: auto; }
  .chapter__number { font-size: 44px; }
  .chapter h2 { margin-bottom: 52px; }
  .signal-equation { grid-template-columns: 1fr; }
  .signal-equation span,
  .signal-equation strong,
  .signal-equation i { min-height: 80px; }
  .signal-equation i { min-width: 0; }
  .evidence-grid { grid-template-columns: 1fr; }
  .evidence-grid div { min-height: 190px; }
  .site-footer { align-items: flex-start; flex-direction: column; }
  .site-footer p:last-child { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
  .js .chapter,
  .js .door,
  .js .postscript { opacity: 1; transform: none; }
}