:root {
  color-scheme: dark;
  --void: #06090a;
  --void-soft: #0b1012;
  --ink: #edf3ed;
  --muted: #87918d;
  --line: rgba(192, 217, 207, 0.18);
  --line-strong: rgba(210, 231, 222, 0.42);
  --paper: #e8ece6;
  --paper-ink: #111514;
  --acid: #c8ff38;
  --cyan: #59f4df;
  --coral: #ff6647;
  --max: 1440px;
  --gutter: clamp(20px, 4vw, 68px);
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --serif: Georgia, "Noto Serif SC", "Songti SC", serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--void);
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--void);
  color: var(--ink);
  font-family: var(--sans);
  text-rendering: optimizeLegibility;
}

a,
button,
input {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 4px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 14px;
  left: 14px;
  padding: 10px 14px;
  background: var(--acid);
  color: var(--paper-ink);
  font-weight: 800;
  text-decoration: none;
  transform: translateY(-160%);
}

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

.site-header {
  position: absolute;
  z-index: 20;
  top: 0;
  left: 0;
  width: 100%;
  min-height: 80px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 30px;
  padding: 0 var(--gutter);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(to bottom, rgba(6, 9, 10, 0.78), transparent);
}

.identity {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  justify-self: start;
  text-decoration: none;
}

.identity-mark {
  position: relative;
  width: 31px;
  height: 31px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
}

.identity-mark::before {
  position: absolute;
  inset: 4px;
  border: 1px solid var(--acid);
  border-radius: 50%;
  content: "";
}

.identity-mark i {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--acid);
}

.identity-mark i:nth-child(1) { transform: translate(-5px, 2px); }
.identity-mark i:nth-child(2) { transform: translate(4px, -5px); }
.identity-mark i:nth-child(3) { transform: translate(5px, 5px); }

.identity-name,
.identity-cn,
.nav,
.header-state {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.identity-cn {
  color: var(--muted);
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 44px);
}

.nav a {
  position: relative;
  color: #b3bdb9;
  text-decoration: none;
}

.nav a::before {
  position: absolute;
  top: 50%;
  left: -12px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--acid);
  content: "";
  opacity: 0;
  transform: translateY(-50%);
  transition: opacity 160ms ease;
}

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

.nav a:hover::before {
  opacity: 1;
}

.header-state {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  justify-self: end;
  color: var(--muted);
}

.state-light {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 14px rgba(200, 255, 56, 0.8);
  animation: status-pulse 2.4s ease-in-out infinite;
}

@keyframes status-pulse {
  50% { opacity: 0.4; box-shadow: 0 0 3px rgba(200, 255, 56, 0.2); }
}

.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(circle at 68% 44%, rgba(32, 88, 84, 0.12), transparent 32%),
    linear-gradient(118deg, #06090a 0 36%, #080d0f 58%, #050707 100%);
}

#emergence-canvas,
.webgl-fallback,
.hero-grid {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

#emergence-canvas {
  z-index: -1;
  display: block;
}

.webgl-fallback {
  z-index: -2;
  background:
    repeating-radial-gradient(circle at 72% 47%, transparent 0 27px, rgba(89, 244, 223, 0.09) 28px 29px),
    radial-gradient(circle at 72% 47%, rgba(200, 255, 56, 0.35), transparent 2%),
    radial-gradient(circle at 72% 47%, rgba(17, 106, 100, 0.22), transparent 30%);
}

.hero-grid {
  z-index: 1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(197, 220, 212, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(197, 220, 212, 0.045) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to right, black 0 42%, transparent 76%);
}

.hero-grid::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(6, 9, 10, 0.78) 0 32%, transparent 69%);
  content: "";
}

.hero-copy {
  position: relative;
  z-index: 3;
  width: min(780px, calc(100% - var(--gutter) * 2));
  padding-top: clamp(150px, 18vh, 210px);
  margin-left: var(--gutter);
}

.eyebrow,
.overline {
  margin: 0 0 25px;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.11em;
  line-height: 1.5;
}

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

h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(62px, 8vw, 126px);
  font-weight: 400;
  letter-spacing: -0.075em;
  line-height: 0.88;
}

h1 em {
  position: relative;
  color: var(--acid);
  font-weight: 400;
}

h1 em::after {
  position: absolute;
  right: -0.24em;
  bottom: 0.09em;
  width: 0.12em;
  height: 0.12em;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 28px var(--coral);
  content: "";
}

.hero-thesis {
  margin: 34px 0 0;
  color: #b6c1bc;
  font-size: clamp(16px, 1.5vw, 20px);
  line-height: 1.85;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  margin-top: 30px;
  padding-bottom: 7px;
  border-bottom: 1px solid currentColor;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: gap 180ms ease, color 180ms ease;
}

.text-link:hover {
  gap: 28px;
  color: var(--acid);
}

.observation-panel {
  position: absolute;
  z-index: 4;
  right: var(--gutter);
  bottom: 64px;
  width: min(390px, calc(100% - var(--gutter) * 2));
  border: 1px solid var(--line-strong);
  background: rgba(6, 11, 12, 0.68);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(18px);
}

.panel-head,
.phase-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.panel-head {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

.panel-head span:first-child {
  color: var(--cyan);
}

.parameter-readout {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  padding: 21px 18px 15px;
}

.parameter-readout > div {
  display: flex;
  align-items: center;
  gap: 12px;
}

.parameter-symbol {
  color: var(--acid);
  font-family: var(--serif);
  font-size: 54px;
  font-style: italic;
  line-height: 0.8;
}

.parameter-name {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.6;
}

#order-output {
  font-family: var(--mono);
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.07em;
  line-height: 1;
}

.range-wrap {
  display: block;
  padding: 0 18px 14px;
}

#order-range {
  width: 100%;
  height: 22px;
  margin: 0;
  appearance: none;
  background: transparent;
  cursor: ew-resize;
}

#order-range::-webkit-slider-runnable-track {
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--acid) 62%, var(--coral));
}

#order-range::-moz-range-track {
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--acid) 62%, var(--coral));
}

#order-range::-webkit-slider-thumb {
  width: 13px;
  height: 13px;
  margin-top: -5.5px;
  appearance: none;
  border: 2px solid var(--void);
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 0 1px var(--acid), 0 0 16px rgba(200, 255, 56, 0.55);
}

#order-range::-moz-range-thumb {
  width: 11px;
  height: 11px;
  border: 2px solid var(--void);
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 0 1px var(--acid), 0 0 16px rgba(200, 255, 56, 0.55);
}

.range-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 3px;
  color: #67716d;
  font-family: var(--mono);
  font-size: 7px;
  letter-spacing: 0.06em;
}

.range-labels b {
  font-weight: 600;
}

.phase-row {
  justify-content: flex-start;
  padding: 13px 18px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.phase-row strong {
  color: var(--acid);
  font-size: 10px;
}

.phase-indicator {
  display: inline-flex;
  gap: 3px;
}

.phase-indicator i {
  width: 4px;
  height: 12px;
  background: var(--line-strong);
}

.phase-indicator i:nth-child(-n+2) {
  background: var(--acid);
}

.auto-toggle {
  margin-left: auto;
  padding: 5px 7px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.06em;
  cursor: pointer;
}

.auto-toggle[aria-pressed="false"] {
  color: var(--muted);
}

.model-note {
  margin: 0;
  padding: 13px 18px 15px;
  color: #7e8985;
  font-size: 11px;
  line-height: 1.65;
}

.hero-meta {
  position: absolute;
  z-index: 3;
  bottom: 23px;
  left: var(--gutter);
  display: flex;
  gap: 28px;
  color: #5f6c67;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.08em;
}

.hero-meta b {
  color: #9caaa4;
  font-weight: 600;
}

.hero-coordinate {
  position: absolute;
  z-index: 3;
  color: #53605c;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.08em;
  pointer-events: none;
}

.coordinate-x {
  right: 4%;
  top: 16%;
}

.coordinate-y {
  right: 2.4%;
  top: 33%;
  writing-mode: vertical-rl;
}

.thesis-band {
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: 28px;
  overflow: hidden;
  padding: 0 24px;
  border-block: 1px solid #161c1d;
  background: var(--acid);
  color: var(--paper-ink);
  white-space: nowrap;
}

.thesis-band p {
  margin: 0;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.09em;
}

.thesis-band i {
  width: 5px;
  height: 5px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--paper-ink);
}

.section {
  position: relative;
  padding: clamp(100px, 12vw, 190px) var(--gutter);
}

.principle-section,
.practice-section {
  max-width: var(--max);
  margin: 0 auto;
}

.section-marker {
  display: grid;
  grid-template-columns: 50px 1fr auto;
  gap: 18px;
  align-items: center;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-strong);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.09em;
}

.section-marker span:first-child {
  color: var(--acid);
}

.section-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.35fr) minmax(0, 0.65fr);
  gap: clamp(40px, 7vw, 110px);
  align-items: end;
  padding-top: clamp(54px, 7vw, 94px);
}

.section-intro .overline {
  align-self: start;
  margin-top: 11px;
}

.section-intro h2,
.scale-heading h2,
.practice-intro h2,
.closing h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(46px, 6.2vw, 94px);
  font-weight: 400;
  letter-spacing: -0.07em;
  line-height: 1;
}

.section-lead {
  grid-column: 2;
  max-width: 720px;
  margin: 0;
  color: #9ca8a3;
  font-size: clamp(16px, 1.6vw, 20px);
  line-height: 1.9;
}

.mechanism-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: clamp(60px, 8vw, 110px);
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line-strong);
}

.mechanism-card {
  position: relative;
  min-height: 520px;
  display: flex;
  flex-direction: column;
  padding: clamp(22px, 2.7vw, 40px);
  overflow: hidden;
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  background: linear-gradient(145deg, rgba(18, 25, 27, 0.65), rgba(7, 11, 12, 0.25));
  transition: background 220ms ease, transform 220ms ease;
}

.mechanism-card:hover {
  z-index: 2;
  background: #101718;
  transform: translateY(-8px);
}

.critical-card {
  background: rgba(200, 255, 56, 0.06);
}

.card-index {
  margin-top: auto;
  color: var(--coral);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.mechanism-card h3 {
  margin: 10px 0 17px;
  font-family: var(--serif);
  font-size: 44px;
  font-weight: 400;
  letter-spacing: -0.06em;
}

.mechanism-card p {
  max-width: 360px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.formula {
  position: absolute;
  right: 18px;
  bottom: 18px;
  color: #4e5b57;
  font-family: var(--serif);
  font-size: 18px;
  font-style: italic;
}

.mini-field {
  position: relative;
  width: 100%;
  height: 230px;
  margin-bottom: 28px;
  border: 1px solid var(--line);
  background-image:
    linear-gradient(rgba(184, 207, 198, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(184, 207, 198, 0.045) 1px, transparent 1px);
  background-size: 24px 24px;
}

.random-field i {
  position: absolute;
  width: 6px;
  height: 6px;
  border: 1px solid var(--cyan);
  border-radius: 50%;
}

.random-field i:nth-child(1) { left: 12%; top: 22%; }
.random-field i:nth-child(2) { left: 35%; top: 68%; }
.random-field i:nth-child(3) { left: 79%; top: 16%; }
.random-field i:nth-child(4) { left: 62%; top: 57%; }
.random-field i:nth-child(5) { left: 24%; top: 44%; }
.random-field i:nth-child(6) { left: 87%; top: 76%; }
.random-field i:nth-child(7) { left: 48%; top: 28%; }
.random-field i:nth-child(8) { left: 8%; top: 82%; }
.random-field i:nth-child(9) { left: 70%; top: 38%; }

.random-field::after {
  position: absolute;
  left: 46%;
  top: 56%;
  width: 48px;
  height: 48px;
  border: 1px dashed var(--coral);
  border-radius: 50%;
  content: "";
}

.relation-field span {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 14px rgba(200, 255, 56, 0.45);
}

.relation-field span:nth-child(1) { left: 18%; top: 49%; }
.relation-field span:nth-child(2) { left: 40%; top: 23%; }
.relation-field span:nth-child(3) { left: 52%; top: 68%; }
.relation-field span:nth-child(4) { left: 73%; top: 38%; }
.relation-field span:nth-child(5) { left: 84%; top: 76%; }

.relation-field::before,
.relation-field::after {
  position: absolute;
  left: 18%;
  top: 50%;
  width: 68%;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), var(--acid));
  content: "";
  transform: rotate(-9deg);
  transform-origin: left;
}

.relation-field::after {
  top: 24%;
  left: 39%;
  width: 52%;
  transform: rotate(58deg);
}

.order-field {
  display: grid;
  place-items: center;
}

.order-field::before,
.order-field::after,
.order-field i {
  position: absolute;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  content: "";
}

.order-field::before { width: 150px; height: 150px; opacity: 0.4; }
.order-field::after { width: 94px; height: 94px; border-color: var(--acid); }
.order-field i { width: 5px; height: 5px; background: var(--acid); }
.order-field i:nth-child(1) { transform: translate(0, -75px); }
.order-field i:nth-child(2) { transform: translate(72px, -24px); }
.order-field i:nth-child(3) { transform: translate(44px, 61px); }
.order-field i:nth-child(4) { transform: translate(-44px, 61px); }
.order-field i:nth-child(5) { transform: translate(-72px, -24px); }
.order-field i:nth-child(6) { transform: translate(0, -47px); }
.order-field i:nth-child(7) { transform: translate(0, 47px); }

.scale-section {
  max-width: none;
  border-block: 1px solid #c9cfca;
  background: var(--paper);
  color: var(--paper-ink);
}

.scale-section > * {
  width: min(calc(100% - var(--gutter) * 2), calc(var(--max) - var(--gutter) * 2));
  margin-inline: auto;
}

.light-marker {
  border-color: rgba(17, 21, 20, 0.38);
  color: #66706b;
}

.light-marker span:first-child {
  color: #d84428;
}

.scale-heading {
  display: grid;
  grid-template-columns: 0.4fr 0.6fr;
  gap: 50px;
  align-items: start;
  padding-block: clamp(60px, 8vw, 110px);
}

.scale-heading .overline {
  color: #48615a;
}

.scale-stack {
  border-top: 1px solid var(--paper-ink);
}

.scale-row {
  display: grid;
  grid-template-columns: 100px minmax(260px, 0.75fr) minmax(260px, 0.65fr) 180px;
  gap: clamp(24px, 4vw, 62px);
  align-items: center;
  min-height: 230px;
  border-bottom: 1px solid var(--paper-ink);
}

.scale-number {
  color: #c7cbc5;
  font-family: var(--serif);
  font-size: 45px;
  font-style: italic;
}

.scale-number sup {
  font-size: 17px;
}

.scale-tag {
  margin: 0 0 14px;
  color: #6e7773;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.scale-row h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 1.1;
}

.scale-row > p {
  margin: 0;
  color: #59615e;
  font-size: 14px;
  line-height: 1.8;
}

.featured-row {
  position: relative;
}

.featured-row::before {
  position: absolute;
  left: -12px;
  width: 4px;
  height: 65%;
  background: var(--coral);
  content: "";
}

.scale-graphic {
  position: relative;
  width: 150px;
  height: 150px;
  justify-self: end;
  border: 1px solid rgba(17, 21, 20, 0.27);
  border-radius: 50%;
}

.scale-graphic i {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--paper-ink);
}

.micro-graphic i:nth-child(1) { left: 18%; top: 28%; }
.micro-graphic i:nth-child(2) { left: 63%; top: 19%; }
.micro-graphic i:nth-child(3) { left: 72%; top: 66%; }
.micro-graphic i:nth-child(4) { left: 31%; top: 73%; }

.meso-graphic {
  border-style: dashed;
  transform: rotate(-8deg);
}

.meso-graphic::before,
.meso-graphic::after {
  position: absolute;
  inset: 21px;
  border: 1px solid #de4b30;
  border-radius: 50%;
  content: "";
}

.meso-graphic::after {
  inset: 45px;
  background: #de4b30;
}

.meso-graphic i:nth-child(1) { left: 48%; top: -4px; background: #de4b30; }
.meso-graphic i:nth-child(2) { right: 8px; top: 67%; background: #de4b30; }
.meso-graphic i:nth-child(3) { left: 3px; top: 48%; background: #de4b30; }

.macro-graphic {
  background: repeating-radial-gradient(circle at center, transparent 0 13px, rgba(17, 21, 20, 0.27) 14px 15px);
}

.macro-graphic i:nth-child(1) { left: 48%; top: 48%; }
.macro-graphic i:nth-child(2) { left: 18%; top: 50%; }
.macro-graphic i:nth-child(3) { right: 18%; top: 50%; }

.practice-intro {
  display: grid;
  grid-template-columns: 0.34fr 0.66fr;
  gap: 50px;
  align-items: start;
  padding-block: clamp(60px, 8vw, 110px);
}

.practice-intro h2 {
  max-width: 900px;
}

.practice-list {
  border-top: 1px solid var(--line-strong);
}

.practice-list article {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr) auto;
  gap: 35px;
  align-items: center;
  min-height: 190px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line-strong);
  transition: padding 180ms ease, background 180ms ease;
}

.practice-list article:hover {
  padding-inline: 22px;
  background: rgba(89, 244, 223, 0.035);
}

.practice-no,
.practice-type {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.practice-list h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(34px, 4vw, 58px);
  font-weight: 400;
  letter-spacing: -0.06em;
}

.practice-list p {
  max-width: 650px;
  margin: 13px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.practice-type {
  padding: 8px 11px;
  border: 1px solid var(--line-strong);
  color: var(--cyan);
}

.closing {
  position: relative;
  min-height: 85svh;
  display: grid;
  place-content: center;
  justify-items: center;
  overflow: hidden;
  padding: 120px var(--gutter);
  background: var(--acid);
  color: var(--paper-ink);
  text-align: center;
}

.closing .overline {
  color: #435118;
}

.closing h2 {
  position: relative;
  z-index: 2;
  max-width: 1100px;
  font-size: clamp(56px, 8vw, 122px);
}

.closing h2 em {
  color: #e6492d;
  font-weight: 400;
}

.closing > p:not(.overline) {
  position: relative;
  z-index: 2;
  max-width: 650px;
  margin: 35px 0 0;
  font-size: 17px;
  line-height: 1.85;
}

.inverse-link {
  position: relative;
  z-index: 2;
  color: var(--paper-ink);
}

.inverse-link:hover {
  color: #e6492d;
}

.closing-orbit,
.closing-orbit::before,
.closing-orbit::after {
  position: absolute;
  border: 1px solid rgba(17, 21, 20, 0.22);
  border-radius: 50%;
}

.closing-orbit {
  width: min(70vw, 900px);
  aspect-ratio: 1;
}

.closing-orbit::before {
  inset: 14%;
  content: "";
}

.closing-orbit::after {
  inset: 32%;
  background: rgba(255, 255, 255, 0.12);
  content: "";
}

.closing-orbit i {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--paper-ink);
}

.closing-orbit i:nth-child(1) { left: 49%; top: -6px; }
.closing-orbit i:nth-child(2) { right: 7%; top: 71%; background: var(--coral); }
.closing-orbit i:nth-child(3) { left: 12%; top: 25%; background: var(--cyan); }

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 40px;
  padding: 48px var(--gutter) 36px;
  border-top: 1px solid var(--line);
  background: var(--void);
}

.footer-brand {
  font-family: var(--sans);
  font-size: clamp(42px, 7.3vw, 118px);
  font-weight: 800;
  letter-spacing: -0.075em;
  line-height: 0.78;
}

.footer-brand sup {
  color: var(--acid);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0;
}

.footer-meta {
  display: grid;
  gap: 7px;
  justify-items: end;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.06em;
}

.footer-meta a {
  color: #aab4b0;
  text-underline-offset: 4px;
}

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

@media (max-width: 1080px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav {
    display: none;
  }

  .hero-copy {
    width: min(690px, calc(100% - var(--gutter) * 2));
  }

  .observation-panel {
    width: 330px;
  }

  .mechanism-card {
    min-height: 470px;
  }

  .scale-row {
    grid-template-columns: 70px minmax(230px, 0.85fr) minmax(230px, 0.65fr);
  }

  .scale-graphic {
    display: none;
  }
}

@media (max-width: 820px) {
  .hero {
    min-height: 1080px;
  }

  .hero-grid {
    mask-image: linear-gradient(to bottom, black 0 58%, transparent 84%);
  }

  .hero-grid::after {
    background: linear-gradient(to bottom, rgba(6, 9, 10, 0.72) 0 38%, transparent 70%);
  }

  .hero-copy {
    padding-top: 138px;
  }

  .observation-panel {
    right: var(--gutter);
    bottom: 72px;
    width: min(390px, calc(100% - var(--gutter) * 2));
  }

  .hero-meta {
    bottom: 28px;
  }

  .section-intro,
  .scale-heading,
  .practice-intro {
    grid-template-columns: 1fr;
  }

  .section-lead {
    grid-column: 1;
  }

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

  .mechanism-card {
    min-height: 440px;
  }

  .mini-field {
    height: 210px;
  }

  .scale-row {
    grid-template-columns: 58px 1fr;
    min-height: 0;
    padding: 44px 0;
  }

  .scale-row > p {
    grid-column: 2;
  }

  .practice-list article {
    grid-template-columns: 50px 1fr;
  }

  .practice-type {
    grid-column: 2;
    justify-self: start;
  }

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

  .footer-meta {
    justify-items: start;
  }
}

@media (max-width: 560px) {
  :root {
    --gutter: 18px;
  }

  .site-header {
    min-height: 68px;
  }

  .identity-cn,
  .header-state {
    display: none;
  }

  .hero {
    min-height: 980px;
  }

  .hero-copy {
    padding-top: 115px;
  }

  .eyebrow {
    max-width: 260px;
  }

  h1 {
    font-size: clamp(55px, 17vw, 82px);
  }

  .hero-thesis br {
    display: none;
  }

  .observation-panel {
    bottom: 66px;
  }

  .hero-meta {
    gap: 14px;
    font-size: 7px;
  }

  .hero-meta span:nth-child(2) {
    display: none;
  }

  .coordinate-x,
  .coordinate-y {
    display: none;
  }

  .thesis-band {
    justify-content: flex-start;
  }

  .section {
    padding-block: 90px;
  }

  .section-marker {
    grid-template-columns: 36px 1fr auto;
  }

  .section-intro h2,
  .scale-heading h2,
  .practice-intro h2 {
    font-size: clamp(42px, 13vw, 62px);
  }

  .mechanism-card {
    min-height: 420px;
    padding: 22px;
  }

  .scale-section > * {
    width: 100%;
  }

  .scale-number {
    font-size: 34px;
  }

  .practice-list article:hover {
    padding-inline: 0;
  }

  .practice-list h3 {
    font-size: 34px;
  }

  .closing {
    min-height: 760px;
  }

  .closing h2 {
    font-size: clamp(52px, 15vw, 76px);
  }

  .footer-brand {
    font-size: 14vw;
  }
}

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

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