:root {
  color-scheme: dark;
  --ar-bg: var(--dm-page);
  --ar-ink: var(--dm-ink);
  --ar-copy: var(--dm-copy);
  --ar-muted: var(--dm-muted);
  --ar-teal: var(--dm-teal);
  --ar-gold: var(--dm-accent-gold);
  --ar-line: var(--dm-line);
  --ar-panel: var(--dm-panel);
  --ar-panel-end: var(--dm-panel-end);
  --ar-shadow: var(--dm-shadow);
  --ar-paper: #e8ebea;
  --ar-paper-ink: #253544
}
:root[data-theme=light] {
  color-scheme: light;
  --ar-bg: var(--dm-page);
  --ar-ink: var(--dm-ink);
  --ar-copy: var(--dm-copy);
  --ar-muted: var(--dm-muted);
  --ar-teal: var(--dm-teal);
  --ar-gold: var(--dm-accent-gold);
  --ar-line: var(--dm-line);
  --ar-panel: var(--dm-panel);
  --ar-panel-end: var(--dm-panel-end);
  --ar-shadow: var(--dm-shadow);
  --ar-paper: #fbfcfc;
  --ar-paper-ink: #253544
}
* {
  box-sizing: border-box
}
html {
  background: var(--ar-bg);
  scroll-behavior: smooth;
  scroll-padding-top: 30px
}
body {
  margin: 0;
  color: var(--ar-ink);
  font: 400 15px/1.65 "DM Sans",sans-serif;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh
}
a {
  color: inherit;
  text-decoration: none
}
button {
  font: inherit;
  color: inherit;
  cursor: pointer
}
a,
button {
  -webkit-tap-highlight-color: transparent
}
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--ar-teal);
  outline-offset: 6px
}
svg {
  display: block
}
.shell {
  width: min(1240px,100% - 88px);
  margin: auto;
  position: relative
}
.mono {
  font: 400 10px/1.55 "DM Mono",monospace;
  letter-spacing: .12em;
  text-transform: uppercase
}
.skip {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 16px;
  padding: 10px 18px;
  background: var(--ar-paper);
  color: var(--ar-paper-ink);
  transform: translateY(-180%)
}
.skip:focus {
  transform: none
}
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: center;
  padding: 77px 0 61px
}
.hero .mono {
  margin: 0 0 19px;
  color: var(--ar-gold)
}
.hero h1 {
  margin: 0;
  font: 300 clamp(58px, 6.2vw, 88px)/1.07 Fraunces,serif;
  letter-spacing: -.055em
}
.hero h1 em {
  display: block;
  font-weight: 300;
  color: var(--ar-teal)
}
.hero-note {
  border-left: 1px solid color-mix(in srgb,var(--ar-gold) 60%,var(--ar-line));
  padding: 17px 0 17px 32px;
  max-width: 430px;
  justify-self: start
}
.hero-note .lead {
  font: 300 29px/1.4 Fraunces,serif;
  margin: 0 0 12px;
  letter-spacing: -.025em;
  color: var(--ar-ink)
}
.hero-note p {
  color: var(--ar-copy);
  font-size: 14px;
  margin: 0;
  max-width: 35ch;
  line-height: 1.8
}
.portal-svg {
  width: 100%;
  height: 100%;
  max-width: 430px;
  overflow: visible;
  filter: drop-shadow(rgba(0, 0, 0, .26) 7px 14px 10px)
}
.portal-svg .dim-stroke {
  stroke: var(--ar-muted)
}
.portal-svg text {
  font-family: "DM Mono",monospace;
  letter-spacing: 1.5px
}
.trace {
  stroke-dasharray: 550;
  stroke-dashoffset: 0
}
.workshop-hero {
  padding-bottom: 48px
}
.workshop-hero .hero-note {
  max-width: 420px
}
.workshop-hero .lead {
  font-size: 31px
}
@media (min-width:1450px) {
  .hero {
    padding-top: 86px;
    padding-bottom: 69px
  }
}
@media (max-width:1100px) {
  .shell {
    width: calc(100% - 60px)
  }
  .hero {
    gap: 45px
  }
  .hero h1 {
    font-size: 70px
  }
}
@media (max-width:820px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 49px 0 38px
  }
  .hero h1 {
    font-size: 70px;
    max-width: 12ch
  }
  .hero-note {
    justify-self: start;
    max-width: 550px;
    padding: 7px 0 7px 22px
  }
  .hero-note .lead {
    font-size: 27px;
    margin-bottom: 8px
  }
  .hero-note p {
    max-width: 48ch
  }
}
@media (max-width:580px) {
  .shell {
    width: calc(100% - 36px)
  }
  .hero h1 {
    font-size: clamp(49px, 12vw, 64px)
  }
  .hero {
    padding-top: 38px;
    gap: 27px
  }
  .hero .mono {
    margin-bottom: 15px;
    font-size: 9px
  }
  .hero-note .lead {
    font-size: 25px
  }
  .hero-note p {
    font-size: 13px
  }
}
@media (prefers-reduced-motion:reduce) {
  html {
    scroll-behavior: auto
  }
  * {
    animation: auto ease 0s 1 normal none running none!important;
    transition: none!important
  }
}
.archive-artifact {
  transform-box: fill-box;
  transform-origin: center center
}
:root {
  --ar-reading-blue: #91b6d1;
  --ar-reading-violet: #bab2d0;
  --ar-numeral-gold: var(--dm-numeral-gold);
  --ar-range-ceiling: #e27d61;
  --ar-range-spending: #d5ad63;
  --ar-range-floor: #7ac0ff
}
:root[data-theme=light] {
  --ar-bg: var(--dm-page);
  --ar-panel: var(--dm-panel);
  --ar-panel-end: var(--dm-panel-end);
  --ar-reading-blue: #356b8e;
  --ar-reading-violet: #77628e;
  --ar-numeral-gold: var(--dm-numeral-gold);
  --ar-range-ceiling: #aa5546;
  --ar-range-spending: #805f18;
  --ar-range-floor: #275e91
}
.reading-page {
  --ar-grid: var(--dm-grid);
  --ar-font-mono: "DM Mono",monospace;
  --ar-m-text: var(--ar-ink);
  --ar-m-line: var(--ar-line);
  --ar-m-panel: var(--ar-panel)
}
.reading-page .reading-hero {
  padding-bottom: 58px
}
.reading-hero h1 {
  font-size: clamp(60px, 7vw, 100px)
}
.reading-hero .hero-note {
  max-width: 450px
}
.reading-hero .hero-note .lead {
  font-size: 29px
}
.reading-breadcrumb {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 0 0;
  color: var(--ar-muted);
  font-size: 11px
}
.reading-breadcrumb a {
  display: inline-flex;
  gap: 15px;
  align-items: center
}
.reading-breadcrumb a:hover {
  color: var(--ar-ink)
}
.reading-breadcrumb a span {
  color: var(--ar-gold)
}
.reading-breadcrumb .mono {
  font-size: 9px;
  margin: 0
}
.reading-section {
  margin: 76px 0
}
.section-head {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 0 62px;
  align-items: end;
  margin: 0 0 31px
}
.section-kicker {
  grid-column: 1/-1;
  font: 400 10px/1.6 "DM Mono",monospace;
  letter-spacing: .13em;
  color: var(--ar-gold);
  text-transform: uppercase;
  margin: 0 0 14px
}
.section-title {
  font: 300 43px/1.15 Fraunces,serif;
  letter-spacing: -.035em;
  margin: 0;
  color: var(--ar-ink)
}
.section-intro {
  color: var(--ar-copy);
  font-size: 14px;
  line-height: 1.85;
  margin: 0;
  max-width: 49ch
}
.section-intro a {
  display: inline-block;
  margin-top: 9px;
  border-bottom: 1px solid var(--ar-line);
  color: var(--ar-teal);
  font-size: 12px
}
.reading-panel {
  position: relative;
  border: 1px solid var(--ar-line);
  border-radius: 4px;
  background: linear-gradient(135deg,var(--ar-panel),var(--ar-panel-end));
  box-shadow: 0 22px 44px var(--ar-shadow),inset 0 1px rgba(255,255,255,.08),inset 1px 0 rgba(255,255,255,.035);
  isolation: isolate
}
.method-overview {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  overflow: hidden;
  min-height: 305px
}
.method-frontispiece {
  display: grid;
  place-items: center;
  padding: 30px 40px;
  border-right: 1px solid var(--ar-line);
  position: relative
}
.method-frontispiece svg {
  width: 100%;
  max-width: 420px;
  height: auto;
  filter: drop-shadow(rgba(0, 0, 0, .22) 0px 15px 13px);
  transition: transform .7s
}
.method-overview:hover .method-frontispiece svg {
  transform: translateY(-3px) rotate(-1deg)
}
.method-overview-copy {
  padding: 40px 43px;
  align-self: center
}
.method-overview-copy h2 {
  font: 300 31px/1.3 Fraunces,serif;
  letter-spacing: -.025em;
  margin: 12px 0 18px
}
.method-overview-copy > p:not(.mono) {
  font-size: 14px;
  line-height: 1.85;
  color: var(--ar-copy);
  margin: 0 0 19px
}
.formula-inline {
  font: 400 15px/1.7 "DM Mono",monospace;
  color: var(--ar-gold);
  letter-spacing: .025em;
  padding-top: 20px;
  border-top: 1px solid var(--ar-line);
  overflow-wrap: anywhere
}
.method-overview-copy .mono {
  color: var(--ar-gold);
  margin: 0
}
.io-strip {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 0;
  margin-top: 24px;
  border-top: 1px solid var(--ar-line);
  border-bottom: 1px solid var(--ar-line)
}
.io-step {
  padding: 26px 28px 28px 0
}
.io-step + .io-step {
  border-left: 1px solid var(--ar-line);
  padding-left: 28px
}
.strip-label {
  font: 400 9px/1.5 "DM Mono",monospace;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ar-muted)
}
.io-step h2 {
  font: 300 25px/1.3 Fraunces,serif;
  margin: 12px 0 7px;
  letter-spacing: -.02em
}
.io-step p {
  font-size: 13px;
  line-height: 1.7;
  margin: 0;
  color: var(--ar-copy)
}
.io-step em {
  font-style: normal;
  color: var(--ar-ink)
}
.phase-index {
  padding: 25px 28px 23px
}
.phase-track {
  display: grid;
  grid-template-columns: repeat(7,1fr);
  gap: 9px;
  position: relative
}
.phase-track::before {
  content: "";
  position: absolute;
  left: 6%;
  right: 6%;
  top: 19px;
  height: 1px;
  background: var(--ar-line)
}
.phase-track a {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  font-size: 11px;
  padding: 0 4px 10px;
  color: var(--ar-copy)
}
.phase-track a:hover {
  color: var(--ar-teal)
}
.phase-track .phase-letter {
  width: 39px;
  height: 39px;
  display: grid;
  place-items: center;
  border: 1px solid color-mix(in srgb,var(--ar-phase-ink) 60%,var(--ar-line));
  background: var(--ar-panel);
  color: var(--ar-phase-ink);
  font: 400 17px Fraunces,serif;
  box-shadow: 0 0 0 6px var(--ar-panel),0 5px 10px var(--ar-shadow);
  transition: transform .25s,border-color .25s
}
.phase-track a:hover .phase-letter {
  transform: translateY(-3px);
  border-color: var(--ar-phase-ink)
}
.phase-track small {
  font: 400 8px "DM Mono",monospace;
  letter-spacing: .12em;
  color: var(--ar-muted)
}
.pillar-key {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 15px;
  padding-top: 20px;
  margin-top: 14px;
  border-top: 1px solid var(--ar-line)
}
.pillar-key span {
  font: 400 9px "DM Mono",monospace;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--ar-muted)
}
.pillar-key b {
  font-weight: 400;
  color: var(--ar-ink);
  margin-right: 9px
}
.movement {
  margin: 79px 0;
  scroll-margin-top: 28px
}
.movement-header {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 30px;
  align-items: center;
  padding: 0 0 29px
}
.movement-index {
  display: flex;
  flex-direction: column;
  gap: 9px
}
.pillar-number {
  font: 300 76px/0.95 Fraunces,serif;
  letter-spacing: -.06em;
  color: var(--ar-numeral-gold)
}
.pillar-label {
  font: 400 8px/1.8 "DM Mono",monospace;
  letter-spacing: .08em;
  color: var(--ar-muted);
  text-transform: uppercase
}
.movement-title {
  font: 300 40px/1.2 Fraunces,serif;
  letter-spacing: -.025em;
  margin: 0
}
.movement-title span {
  display: block;
  font: 400 14px/1.8 "DM Sans",sans-serif;
  letter-spacing: 0;
  color: var(--ar-copy);
  margin-top: 10px
}
.phase-grid {
  display: grid;
  align-items: start;
  grid-template-columns: repeat(2,minmax(0px,1fr));
  gap: 25px
}
.phase-card {
  padding: 28px 31px 0;
  scroll-margin-top: 30px;
  overflow: hidden
}
.phase-card.build {
  --ar-phase-ink: var(--ar-teal)
}
.phase-card.test {
  --ar-phase-ink: var(--ar-reading-violet)
}
.phase-card.shape {
  --ar-phase-ink: var(--ar-reading-blue)
}
.phase-card.live {
  --ar-phase-ink: var(--ar-gold)
}
.phase-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--ar-line)
}
.phase-number {
  font: 400 10px/1.6 "DM Mono",monospace;
  letter-spacing: .1em;
  color: var(--ar-phase-ink)
}
.status-chip {
  font: 400 8px/1.4 "DM Mono",monospace;
  color: var(--ar-muted);
  letter-spacing: .08em;
  text-transform: uppercase
}
.phase-card h3 {
  font: 300 41px/1.1 Fraunces,serif;
  letter-spacing: -.035em;
  margin: 24px 0 10px
}
.phase-card h3 a {
  border-bottom: 1px solid var(--ar-phase-ink)
}
.phase-action {
  font: 400 9px/1.6 "DM Mono",monospace;
  color: var(--ar-phase-ink);
  letter-spacing: .07em;
  text-transform: uppercase;
  margin: 0;
  text-align: right;
  max-width: 65%
}
.phase-intro {
  font-size: 14px;
  color: var(--ar-copy);
  line-height: 1.8;
  margin: 0;
  min-height: 77px;
  max-width: 51ch
}
.phase-art {
  margin: 20px 0 0;
  position: relative
}
.phase-art svg {
  display: block;
  width: 100%;
  height: 270px;
  overflow: visible
}
.phase-art figcaption {
  font: 400 8px/1.5 "DM Mono",monospace;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--ar-muted);
  padding: 13px 0 0;
  border-top: 1px solid var(--ar-line)
}
.material-art {
  filter: drop-shadow(rgba(0, 0, 0, .12) 0px 10px 12px);
  transition: translate .55s
}
.phase-card:hover .material-art {
  translate: 0px -3px
}
.phase-details {
  margin-top: 21px;
  border-top: 1px solid var(--ar-line)
}
.phase-details summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--ar-copy);
  font-size: 12px;
  min-height: 58px
}
.phase-details summary::-webkit-details-marker {
  display: none
}
.phase-details summary span {
  color: var(--ar-phase-ink);
  font-size: 19px
}
.phase-details[open] summary span {
  transform: rotate(45deg)
}
.phase-details summary:hover {
  color: var(--ar-ink)
}
.spec-list {
  padding-bottom: 20px
}
.spec-row {
  padding: 17px 0;
  border-top: 1px solid var(--ar-line)
}
.spec-label {
  font: 400 9px/1.6 "DM Mono",monospace;
  letter-spacing: .1em;
  color: var(--ar-phase-ink);
  text-transform: uppercase
}
.spec-value {
  font-size: 13px;
  line-height: 1.85;
  margin: 8px 0 0;
  color: var(--ar-copy)
}
.spec-value strong {
  color: var(--ar-ink);
  font-weight: 500
}
.workspaces {
  display: grid;
  gap: 13px;
  margin-top: 12px;
  padding: 19px 0 6px;
  border-top: 1px solid var(--ar-line)
}
.workspace strong {
  display: block;
  font-size: 12px;
  color: var(--ar-ink);
  font-weight: 500
}
.workspace small {
  display: block;
  font-size: 11px;
  color: var(--ar-muted);
  margin-top: 3px
}
.phase-card-wide {
  grid-column: 1/-1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 40px
}
.phase-card-wide .phase-top {
  grid-column: 1/-1
}
.phase-card-wide .phase-art {
  grid-area: 2/2/6;
  align-self: center;
  margin: 24px 0
}
.phase-card-wide .phase-art svg {
  height: 290px
}
.phase-card-wide .phase-details {
  grid-column: 1/-1
}
.phase-card-wide .spec-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 35px
}
.phase-card-wide .workspaces {
  grid-column: 1/-1;
  grid-template-columns: repeat(3,1fr)
}
.assumption-section,
.change-section,
.range-section {
  margin: 80px 0
}
.range-layout {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 25px
}
.range-figure {
  margin: 0;
  padding: 29px;
  align-self: start
}
.range-figure-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px
}
.range-figure h3 {
  font: 300 24px Fraunces,serif;
  margin: 0
}
.range-motion-wrap {
  position: relative;
  height: 390px;
  margin-top: 35px;
  border: 1px solid var(--ar-m-line);
  background-image: linear-gradient(var(--ar-grid) 1px,transparent 1px),linear-gradient(90deg,var(--ar-grid) 1px,transparent 1px);
  background-size: 28px 28px;
  overflow: hidden
}
.range-motion-wrap canvas,
.range-motion-wrap svg {
  position: absolute;
  inset: 0px;
  display: block;
  width: 100%;
  height: 100%
}
.range-motion-canvas {
  opacity: 0;
  transition: opacity .2s
}
.range-motion-wrap.is-ready .range-motion-canvas {
  opacity: 1
}
.range-motion-wrap.is-ready .range-static {
  opacity: 0
}
.range-static text {
  font: 600 13px var(--ar-font-mono,"DM Mono",monospace);
  letter-spacing: .1em;
  text-anchor: middle
}
.range-static .range-ceiling {
  fill: var(--ar-range-ceiling)
}
.range-static .range-spending {
  fill: var(--ar-range-spending)
}
.range-static .range-floor {
  fill: var(--ar-range-floor)
}
.range-mobile-labels {
  display: none
}
@media (max-width:760px) {
  .range-motion-wrap {
    height: 300px
  }
  .range-static text {
    display: none
  }
  .range-mobile-labels {
    display: block;
    position: absolute;
    inset: 0px;
    pointer-events: none
  }
  .range-mobile-labels span {
    position: absolute;
    right: 10px;
    padding: 3px 6px;
    background: var(--ar-m-panel);
    font: 600 10px/1.2 var(--ar-font-mono,"DM Mono",monospace);
    letter-spacing: .1em;
    text-transform: uppercase
  }
  .range-mobile-labels .ceiling {
    top: 28%;
    color: var(--ar-range-ceiling)
  }
  .range-mobile-labels .spending {
    top: 48%;
    color: var(--ar-range-spending)
  }
  .range-mobile-labels .floor {
    top: 69%;
    color: var(--ar-range-floor)
  }
}
@media (max-width:360px) {
  .range-motion-wrap {
    height: 260px
  }
}
@media (prefers-reduced-motion:reduce) {
  .range-motion-wrap .range-motion-canvas {
    display: none
  }
  .range-motion-wrap.is-ready .range-static {
    opacity: 1
  }
}
.range-caption {
  font-size: 11px;
  line-height: 1.8;
  color: var(--ar-muted);
  border-top: 1px solid var(--ar-line);
  padding-top: 17px
}
.technical-panel {
  padding: 29px 31px
}
.technical-panel h3 {
  font: 300 28px Fraunces,serif;
  margin: 0 0 20px
}
.boundary-defs {
  margin: 0
}
.boundary-def {
  padding: 18px 0;
  border-top: 1px solid var(--ar-line)
}
.boundary-def dt {
  font: 400 10px "DM Mono",monospace;
  letter-spacing: .1em;
  text-transform: uppercase
}
.boundary-def dd {
  font-size: 13px;
  line-height: 1.8;
  margin: 9px 0 0;
  color: var(--ar-copy)
}
.boundary-def.ceiling dt {
  color: var(--ar-range-ceiling)
}
.boundary-def.target dt {
  color: var(--ar-range-spending)
}
.boundary-def.floor dt {
  color: var(--ar-range-floor)
}
.range-statement {
  font: 300 21px/1.5 Fraunces,serif;
  color: var(--ar-ink);
  border-top: 1px solid var(--ar-line);
  padding-top: 21px;
  margin: 8px 0 0
}
.model-panel {
  padding: 34px 0;
  margin: 64px 0;
  border-top: 1px solid var(--ar-line);
  border-bottom: 1px solid var(--ar-line)
}
.model-head {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 40px;
  align-items: start
}
.model-kicker {
  font: 400 9px "DM Mono",monospace;
  color: var(--ar-muted);
  letter-spacing: .12em
}
.model-title {
  font: 300 40px Fraunces,serif;
  margin: 10px 0
}
.model-description {
  font-size: 13px;
  line-height: 1.8;
  color: var(--ar-copy);
  margin: 0
}
.model-grid {
  display: grid;
  grid-template-columns: repeat(5,1fr);
  gap: 15px;
  margin: 27px 0
}
.model-card {
  border: 1px solid var(--ar-line);
  background: var(--ar-panel);
  padding: 20px
}
.model-card h4 {
  font: 300 20px Fraunces,serif;
  margin: 0 0 17px
}
.model-count {
  font: 400 19px "DM Mono",monospace;
  color: var(--ar-reading-blue)
}
.model-card p,
.model-detail-row p,
.model-note p {
  font-size: 12px;
  line-height: 1.8;
  color: var(--ar-copy)
}
.model-details {
  padding: 20px 0;
  border-top: 1px solid var(--ar-line)
}
.model-details summary {
  cursor: pointer;
  color: var(--ar-gold);
  font-size: 12px
}
.model-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 35px;
  margin-top: 25px
}
.model-detail-row {
  border-top: 1px solid var(--ar-line)
}
.model-detail-row h4 {
  font-weight: 500;
  font-size: 13px
}
.model-note {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 35px;
  border-top: 1px solid var(--ar-line)
}
.change-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 20px
}
.change-card {
  padding: 25px 27px
}
.change-index,
.trigger-index {
  font: 400 9px "DM Mono",monospace;
  letter-spacing: .12em;
  color: var(--ar-gold)
}
.change-card h3 {
  font: 300 29px Fraunces,serif;
  margin: 17px 0 12px
}
.change-card p {
  font-size: 13px;
  color: var(--ar-copy);
  line-height: 1.8;
  margin: 0
}
.assumption-matrix {
  padding: 0 26px
}
.matrix-row {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr 1.1fr;
  border-bottom: 1px solid var(--ar-line)
}
.matrix-row:last-child {
  border-bottom: 0
}
.matrix-cell {
  font-size: 12px;
  line-height: 1.8;
  color: var(--ar-copy);
  padding: 20px 23px 20px 0
}
.matrix-head .matrix-cell,
.matrix-tag {
  font: 400 9px/1.6 "DM Mono",monospace;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--ar-muted)
}
.matrix-tag {
  color: var(--ar-ink)
}
.review-panel {
  padding: 34px;
  margin-top: 70px
}
.review-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start
}
.review-head h2 {
  font: 300 36px/1.2 Fraunces,serif;
  letter-spacing: -.03em;
  margin: 0
}
.review-head p {
  font-size: 13px;
  color: var(--ar-copy);
  line-height: 1.8;
  margin: 0
}
.trigger-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 24px;
  margin-top: 30px
}
.trigger {
  border-top: 1px solid var(--ar-line);
  padding: 20px 0 0
}
.trigger p {
  font-size: 12px;
  line-height: 1.8;
  color: var(--ar-copy);
  margin: 10px 0 0
}
.reading-close {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 55px;
  border-top: 1px solid var(--ar-line);
  border-bottom: 1px solid var(--ar-line);
  padding: 35px 0;
  margin: 73px 0 0
}
.reading-close h2 {
  font: 300 37px/1.2 Fraunces,serif;
  letter-spacing: -.03em;
  margin: 10px 0
}
.reading-close p {
  font-size: 13px;
  line-height: 1.8;
  color: var(--ar-copy);
  margin: 0
}
.reading-close .mono {
  color: var(--ar-gold);
  font-size: 9px
}
.reading-close-links {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
  align-items: flex-start
}
.reading-close-links a {
  font-size: 13px;
  padding: 11px 0;
  border-bottom: 1px solid var(--ar-line);
  display: flex;
  gap: 24px
}
.reading-close-links a span {
  color: var(--ar-gold)
}
.reading-close-links a:hover {
  color: var(--ar-teal)
}
.studio-evolution {
  margin-top: 27px;
  font-size: 12px;
  line-height: 1.8;
  color: var(--ar-muted);
  max-width: 85ch
}
.studio-evolution p {
  margin: 0
}
.principle-index {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  border-top: 1px solid var(--ar-line);
  border-bottom: 1px solid var(--ar-line);
  gap: 20px
}
.principle-index .mono {
  margin: 0;
  color: var(--ar-muted);
  font-size: 9px
}
.principle-index nav {
  display: flex;
  gap: 17px
}
.principle-index a {
  font: 400 10px "DM Mono",monospace;
  color: var(--ar-muted)
}
.principle-index a:hover {
  color: var(--ar-gold)
}
.manifesto {
  margin-top: 51px
}
.manifesto .boundary {
  position: relative;
  padding-top: 28px;
  margin: 35px 0 39px
}
.boundary .lbl {
  font: 400 10px "DM Mono",monospace;
  text-transform: uppercase;
  letter-spacing: .17em;
  position: absolute;
  right: 0;
  top: 0
}
.boundary .line {
  width: 100%;
  height: 1px;
  opacity: .8;
  box-shadow: color-mix(in srgb,currentcolor 12%,transparent) 0 0 12px
}
.b-ceiling {
  color: var(--ar-range-ceiling)
}
.b-ceiling .line {
  background: var(--ar-range-ceiling)
}
.b-datum {
  color: var(--ar-range-spending)
}
.b-datum .line {
  background: var(--ar-range-spending)
}
.b-floor {
  color: var(--ar-range-floor)
}
.b-floor .line {
  background: var(--ar-range-floor)
}
.b-datum.is-floating {
  animation: 5.5s ease-in-out 0s infinite normal none running spendingBreath
}
@keyframes spendingBreath {
  0%,
  100% {
    transform: translateY(0)
  }
  50% {
    transform: translateY(-5px)
  }
}
.principle-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px
}
.principle {
  scroll-margin-top: 28px;
  position: relative;
  padding: 32px 36px 34px
}
.principle-head {
  display: grid;
  grid-template-columns: 75px 1fr;
  gap: 20px;
  align-items: start;
  margin-bottom: 22px
}
.principle-number {
  font: 300 65px/1 Fraunces,serif;
  color: var(--ar-numeral-gold);
  letter-spacing: -.06em
}
.principle h2 {
  font: 300 29px/1.2 Fraunces,serif;
  letter-spacing: -.025em;
  margin: 0;
  color: var(--ar-ink);
  max-width: 24ch
}
.principle-prose {
  padding-left: 95px
}
.principle p {
  font: 300 18px/1.7 Fraunces,serif;
  color: var(--ar-copy);
  margin: 0 0 20px;
  max-width: 42ch
}
.principle p:last-child {
  margin-bottom: 0
}
.principle ul {
  list-style: none;
  padding: 0;
  margin: 17px 0 23px
}
.principle li {
  font: 300 18px/1.6 Fraunces,serif;
  color: var(--ar-copy);
  padding: 4px 0 4px 19px;
  position: relative
}
.principle li::before {
  content: "";
  position: absolute;
  width: 5px;
  height: 1px;
  left: 0;
  top: 18px;
  background: var(--ar-gold)
}
.principle-feature {
  grid-column: 1/-1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  padding: 39px 43px;
  gap: 33px 65px
}
.principle-feature .principle-head {
  grid-area: 1/1
}
.principle-feature .principle-prose {
  grid-area: 2/1;
  padding-left: 95px
}
.principle-feature h2 {
  font-size: 37px;
  max-width: 24ch
}
.datum-art {
  grid-area: 1/2/3;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 10px 20px;
  border-left: 1px solid var(--ar-line)
}
.datum-art svg {
  display: block;
  width: 100%;
  max-width: 380px;
  height: auto
}
.datum-art figcaption {
  font: 400 9px/1.8 "DM Mono",monospace;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--ar-muted);
  margin-top: 15px
}
.principle-wide {
  grid-column: 1/-1;
  margin-top: 5px;
  padding: 33px 37px
}
.principle-wide .principle-prose {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 24px 32px;
  padding-left: 95px
}
.principle-wide .principle-prose p {
  font-size: 22px;
  line-height: 1.6
}
.principle-wide .principle-prose p:last-child {
  grid-column: 1/-1;
  font: 400 10px "DM Mono",monospace;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--ar-teal);
  margin: 0
}
.manifesto .principle-grid + .boundary {
  margin-top: 49px;
  margin-bottom: 42px
}
.principle[data-principle="3"] ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px
}
.principle[data-principle="3"] li {
  font: 400 10px/1.8 "DM Mono",monospace;
  padding: 0;
  color: var(--ar-teal)
}
.principle[data-principle="3"] li::before {
  display: none
}
.manifesto .principle-grid + .principle-grid {
  margin-top: 26px
}
.identity-principle {
  grid-column: 1/-1;
  margin-top: 18px;
  padding: 37px 41px
}
.identity-principle .principle-prose {
  padding: 0
}
.acronym-panel {
  padding: 31px 0 32px;
  border-top: 1px solid var(--ar-line);
  border-bottom: 1px solid var(--ar-line)
}
.ap-formula {
  font: 400 clamp(16px, 2.1vw, 26px)/1.6 "DM Mono",monospace;
  color: var(--ar-gold);
  letter-spacing: .04em;
  text-align: center
}
.ap-words {
  display: grid;
  grid-template-columns: repeat(7,minmax(0px,1fr));
  gap: 14px;
  max-width: 760px;
  margin: 29px auto 0
}
.ap-word {
  font: 400 8px/1.7 "DM Mono",monospace;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--ar-muted)
}
.ap-highlight {
  display: inline-grid;
  place-items: center;
  width: 25px;
  height: 30px;
  font: 300 22px Fraunces,serif;
  margin: 0 2px 10px;
  color: var(--ar-teal);
  border-bottom: 1px solid var(--ar-line)
}
.ap-word .ap-highlight {
  display: flex;
  margin: 0 auto 10px
}
.mark-text {
  display: block;
  font: 300 23px/1.65 Fraunces,serif;
  color: var(--ar-copy);
  text-align: center;
  max-width: 61ch;
  margin: 29px auto 0
}
.highlight {
  color: var(--ar-teal)
}
.final-highlight {
  color: var(--ar-gold)
}
.poetic-signoff {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 50px;
  margin-top: 64px;
  padding: 32px 0;
  border-bottom: 1px solid var(--ar-line)
}
.poetic-staccato {
  font: 300 22px/1.65 Fraunces,serif;
  color: var(--ar-copy)
}
.poetic-climax {
  font: 300 52px/1.08 Fraunces,serif;
  color: var(--ar-ink);
  letter-spacing: -.04em;
  text-align: right
}
.poetic-climax span {
  color: var(--ar-teal)!important
}
.reading-page .return-secondary {
  margin: 25px 0;
  text-align: right
}
.return-link {
  font: 400 9px "DM Mono",monospace;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--ar-muted);
  background: 0 0;
  border: 0;
  padding: 12px 0
}
.return-link:hover {
  color: var(--ar-teal)
}
@media (min-width:1700px) {
  .reading-page .hero-note .lead {
    font-size: 32px
  }
}
@media (max-width:1000px) {
  .phase-card {
    padding: 25px 25px 0
  }
  .phase-intro {
    min-height: 100px
  }
  .phase-track {
    gap: 2px
  }
  .phase-track a {
    font-size: 9px
  }
  .principle {
    padding: 28px
  }
  .principle-prose {
    padding-left: 0
  }
  .principle-head {
    grid-template-columns: 65px minmax(0px,1fr);
    gap: 17px
  }
  .principle-feature {
    padding: 32px;
    gap: 26px 30px
  }
  .principle-feature .principle-prose {
    padding-left: 0
  }
  .principle-wide .principle-prose {
    padding-left: 0
  }
  .model-grid {
    grid-template-columns: repeat(3,1fr)
  }
  .section-head {
    gap: 15px 35px
  }
  .ap-words {
    gap: 5px
  }
  .ap-word {
    font-size: 7px
  }
}
@media (max-width:760px) {
  .reading-breadcrumb .mono {
    display: none
  }
  .reading-page .reading-hero {
    padding-top: 42px;
    padding-bottom: 39px
  }
  .reading-hero h1 {
    font-size: 72px
  }
  .reading-hero .hero-note .lead {
    font-size: 26px
  }
  .method-overview {
    grid-template-columns: 1fr
  }
  .method-frontispiece {
    border-right: 0px;
    border-bottom: 1px solid var(--ar-line);
    padding: 20px 25px
  }
  .method-frontispiece svg {
    max-width: 350px
  }
  .method-overview-copy {
    padding: 28px
  }
  .io-step {
    padding: 20px 17px 20px 0
  }
  .io-step + .io-step {
    padding-left: 17px
  }
  .io-step h2 {
    font-size: 22px
  }
  .io-step p {
    font-size: 12px
  }
  .section-head {
    grid-template-columns: 1fr;
    gap: 13px
  }
  .section-kicker {
    margin: 0
  }
  .section-title {
    font-size: 36px
  }
  .section-intro {
    max-width: 55ch;
    font-size: 13px
  }
  .phase-track {
    grid-template-columns: repeat(4,1fr);
    gap: 25px 8px
  }
  .phase-track::before {
    display: none
  }
  .phase-track a {
    font-size: 11px
  }
  .pillar-key {
    grid-template-columns: 1fr 1fr;
    gap: 16px
  }
  .phase-index {
    padding: 24px 19px
  }
  .movement-header {
    grid-template-columns: 1fr;
    gap: 13px
  }
  .movement-index {
    align-items: flex-start;
    gap: 9px
  }
  .pillar-number {
    font-size: 65px
  }
  .movement-title {
    font-size: 35px
  }
  .movement {
    margin: 60px 0
  }
  .phase-grid {
    grid-template-columns: 1fr;
    gap: 23px
  }
  .phase-intro {
    min-height: 0
  }
  .phase-card-wide {
    display: block
  }
  .phase-card-wide .phase-art svg {
    height: 250px
  }
  .phase-card-wide .spec-list {
    display: block
  }
  .phase-card-wide .workspaces {
    grid-template-columns: 1fr
  }
  .range-layout {
    grid-template-columns: 1fr
  }
  .assumption-section,
  .change-section,
  .range-section {
    margin: 59px 0
  }
  .model-detail-grid,
  .model-head,
  .model-note {
    grid-template-columns: 1fr;
    gap: 20px
  }
  .model-grid {
    grid-template-columns: 1fr 1fr
  }
  .change-grid {
    grid-template-columns: 1fr 1fr
  }
  .section-title {
    max-width: 24ch
  }
  .matrix-row {
    grid-template-columns: 1fr 1fr
  }
  .matrix-tag {
    grid-column: 1/-1;
    padding-bottom: 0
  }
  .matrix-head {
    display: none
  }
  .matrix-cell {
    padding-right: 18px;
    font-size: 11px
  }
  .review-panel {
    padding: 27px
  }
  .review-head {
    grid-template-columns: 1fr;
    gap: 18px
  }
  .trigger-grid {
    grid-template-columns: 1fr 1fr
  }
  .reading-close {
    grid-template-columns: 1fr;
    gap: 21px;
    margin-top: 55px
  }
  .reading-close h2 {
    font-size: 33px
  }
  .principle-index nav {
    gap: 13px
  }
  .principle-grid {
    grid-template-columns: 1fr
  }
  .principle-feature {
    display: block
  }
  .principle-feature h2 {
    font-size: 34px
  }
  .datum-art {
    border-left: 0;
    border-top: 1px solid var(--ar-line);
    padding: 20px 0 0;
    margin: 30px 0 0
  }
  .datum-art svg {
    max-width: 280px
  }
  .principle-wide .principle-prose {
    grid-template-columns: 1fr
  }
  .principle-wide .principle-prose p {
    margin-bottom: 0
  }
  .principle-wide {
    margin: 0
  }
  .ap-words {
    grid-template-columns: repeat(4,1fr);
    gap: 22px 10px
  }
  .ap-word {
    font-size: 8px
  }
  .identity-principle {
    padding: 27px
  }
  .mark-text {
    font-size: 21px
  }
  .poetic-signoff {
    gap: 20px
  }
  .poetic-climax {
    font-size: 40px
  }
  .poetic-staccato {
    font-size: 20px
  }
}
@media (max-width:480px) {
  .reading-hero h1 {
    font-size: 61px
  }
  .reading-hero .hero-note .lead {
    font-size: 25px
  }
  .method-overview-copy {
    padding: 25px
  }
  .method-overview-copy h2 {
    font-size: 29px
  }
  .formula-inline {
    font-size: 12px
  }
  .io-strip {
    grid-template-columns: 1fr
  }
  .io-step + .io-step {
    border-left: 0;
    border-top: 1px solid var(--ar-line);
    padding-left: 0
  }
  .io-step {
    padding: 22px 0
  }
  .phase-card h3 {
    font-size: 36px
  }
  .phase-card {
    padding: 24px 23px 0
  }
  .phase-art svg {
    height: auto;
    min-height: 190px
  }
  .change-grid {
    grid-template-columns: 1fr
  }
  .change-card {
    padding: 25px
  }
  .range-figure,
  .technical-panel {
    padding: 24px
  }
  .range-figure-header {
    flex-wrap: wrap
  }
  .model-grid {
    grid-template-columns: 1fr
  }
  .assumption-matrix {
    padding: 0 19px
  }
  .matrix-row {
    grid-template-columns: 1fr
  }
  .matrix-cell {
    padding: 13px 0
  }
  .matrix-tag {
    padding-top: 22px
  }
  .matrix-cell:last-child {
    padding-bottom: 22px;
    color: var(--ar-muted)
  }
  .trigger-grid {
    grid-template-columns: 1fr
  }
  .principle-index {
    align-items: start;
    flex-direction: column;
    gap: 15px
  }
  .principle-index nav {
    width: 100%;
    justify-content: space-between
  }
  .principle {
    padding: 26px 24px
  }
  .principle h2 {
    font-size: 29px
  }
  .principle-feature h2 {
    font-size: 31px
  }
  .principle-number {
    font-size: 53px
  }
  .principle-head {
    grid-template-columns: 57px minmax(0px,1fr);
    gap: 16px
  }
  .principle li,
  .principle p {
    font-size: 18px
  }
  .principle-wide .principle-prose p {
    font-size: 21px
  }
  .principle-head {
    margin-bottom: 23px
  }
  .ap-formula {
    font-size: 15px;
    letter-spacing: -.04em
  }
  .identity-principle .principle-head {
    grid-template-columns: 57px minmax(0px,1fr)
  }
  .poetic-signoff {
    align-items: start;
    flex-direction: column
  }
  .poetic-climax {
    text-align: left;
    font-size: 47px
  }
  .reading-close-links a {
    font-size: 12px
  }
}
@media (max-width:480px) {
  .phase-track {
    grid-template-columns: repeat(3,minmax(0px,1fr))
  }
  .phase-track a {
    min-width: 0;
    text-align: center;
    overflow-wrap: anywhere;
    font-size: 10px
  }
  .pillar-key b {
    display: block;
    margin-bottom: 5px
  }
  .method-overview-copy .formula-note {
    font-size: 11px;
    line-height: 1.75;
    color: var(--ar-muted);
    margin: 15px 0 0
  }
}
@media (max-width:350px) {
  .phase-track {
    grid-template-columns: repeat(2,minmax(0px,1fr))
  }
  .principle h2,
  .principle-feature h2 {
    font-size: 25px
  }
  .principle-head {
    grid-template-columns: 48px minmax(0px,1fr);
    gap: 12px
  }
  .principle-number {
    font-size: 46px
  }
  .principle h2 {
    overflow-wrap: anywhere
  }
}
.principle-grid {
  grid-template-columns: repeat(2,minmax(0px,1fr))
}
.principle {
  min-width: 0
}
.principle-head > * {
  min-width: 0
}
@media (max-width:760px) {
  .principle-grid {
    grid-template-columns: minmax(0px,1fr)
  }
}
.method-overview-copy .formula-note {
  font-size: 11px;
  line-height: 1.75;
  color: var(--ar-muted);
  margin: 15px 0 0
}
.ap-word:nth-child(n+6) .ap-highlight {
  color: var(--ar-gold)
}
.ap-word {
  font-size: 9px
}
.ap-word > span:last-child {
  display: block
}
@media (max-width:480px) {
  .ap-words {
    grid-template-columns: repeat(2,minmax(0px,1fr));
    gap: 22px 10px
  }
  .ap-word {
    font-size: 8px
  }
}
.phase-card,
.principle {
  transition: transform .3s,border-color .3s,box-shadow .3s
}
.phase-card:focus-within,
.phase-card:hover,
.principle:focus-within,
.principle:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb,var(--ar-gold) 60%,var(--ar-line));
  box-shadow: 0 28px 55px var(--ar-shadow),inset 0 1px rgba(255,255,255,.1)
}
@media (prefers-reduced-motion:reduce) {
  html {
    scroll-behavior: auto
  }
  .b-datum.is-floating {
    animation: auto ease 0s 1 normal none running none
  }
  .material-art,
  .method-frontispiece svg,
  .phase-card,
  .phase-track .phase-letter,
  .principle {
    transition: none
  }
  .method-overview:hover .method-frontispiece svg,
  .phase-card:focus-within,
  .phase-card:hover,
  .principle:focus-within,
  .principle:hover {
    transform: none
  }
  .phase-card:hover .material-art {
    translate: none
  }
}
@media print {
  .phase-index,
  .principle-index,
  .reading-breadcrumb,
  .reading-close-links,
  .return-secondary {
    display: none!important
  }
  .reading-page {
    --ar-ink: #213444;
    --ar-copy: #425766;
    --ar-muted: #596f7d;
    --ar-line: #b9c8cf;
    --ar-panel: #fff;
    --ar-panel-end: #fff;
    --ar-gold: #886322;
    --ar-teal: #226e66;
    --ar-shadow: transparent;
    background: #fff;
    color: var(--ar-ink)
  }
  .reading-panel {
    box-shadow: none;
    break-inside: avoid
  }
  .shell {
    width: 100%
  }
  .reading-page .hero {
    padding-top: 0
  }
  .phase-details > div {
    display: block!important
  }
  .b-datum {
    animation: auto ease 0s 1 normal none running none!important
  }
}
html {
  scroll-padding-top: 80px
}
.reading-page main.shell {
  padding-top: 56px
}
.reading-page #app-nav {
  justify-content: flex-start
}
.reading-page #app-nav .nav-links {
  margin-left: auto
}
.reading-theme-slot {
  display: flex;
  align-items: center;
  margin-left: 4px
}
.reading-theme-toggle {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid var(--ar-line);
  background: 0 0;
  color: var(--ar-gold);
  cursor: pointer
}
.reading-theme-toggle:hover {
  border-color: var(--ar-gold)
}
.reading-theme-toggle .theme-icon {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentcolor;
  stroke-width: 1.55;
  stroke-linecap: round;
  stroke-linejoin: round
}
.reading-theme-toggle .moon-icon {
  display: none
}
.reading-theme-toggle[aria-pressed=true] .sun-icon {
  display: none
}
.reading-theme-toggle[aria-pressed=true] .moon-icon {
  display: block
}
.reading-theme-toggle.account-theme-toggle {
  position: fixed;
  right: 16px;
  top: 68px;
  z-index: 590
}
.reading-page.light-mode #acct-topbar,
.reading-page.light-mode #app-nav,
.reading-page.light-mode #nav-mobile-menu {
  background: var(--dm-page);
  border-color: var(--ar-line);
  box-shadow: rgba(46,65,80,.07) 0 3px 16px
}
.reading-page.light-mode #app-nav .nav-link,
.reading-page.light-mode #nav-mobile-menu a {
  color: var(--ar-copy)
}
.reading-page #disclosure-footer {
  width: min(1240px,100% - 88px);
  margin: 40px auto 0!important;
  border-color: var(--ar-line)!important
}
.reading-page #disclosure-footer a,
.reading-page #disclosure-footer button,
.reading-page #disclosure-footer p {
  color: var(--ar-muted)!important
}
.reading-page .floating-feedback-btn {
  position: fixed;
  bottom: 20px;
  right: 24px;
  border: 1px solid var(--ar-line);
  border-radius: 3px;
  background: var(--ar-panel);
  color: var(--ar-teal);
  font: 400 10px "DM Mono",monospace;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 10px 14px;
  z-index: 99
}
.reading-page .floating-feedback-btn:hover {
  border-color: var(--ar-gold)
}
@media (max-width:580px) {
  .reading-page #disclosure-footer {
    width: calc(100% - 36px)
  }
  .reading-page .floating-feedback-btn {
    bottom: 12px;
    right: 12px
  }
}
@media print {
  #acct-topbar,
  #app-nav,
  #nav-mobile-menu,
  .floating-feedback-btn,
  .reading-theme-toggle {
    display: none!important
  }
  .reading-page main.shell {
    padding-top: 0
  }
}
body.reading-page,
html {
  overflow-x: hidden
}