:root {
  --ink: #171915;
  --ink-soft: #22251f;
  --paper: #ece6d7;
  --paper-deep: #d7cfbc;
  --olive: #747962;
  --olive-dark: #4f5544;
  --signal: #e4a91b;
  --rust: #a94b31;
  --white: #f8f5ed;
  --line-dark: rgba(23, 25, 21, 0.24);
  --line-light: rgba(248, 245, 237, 0.22);
  --serif: "Instrument Serif", Georgia, serif;
  --grotesk: "Space Grotesk", "Arial Narrow", sans-serif;
  --mono: "IBM Plex Mono", Consolas, monospace;
  --header: 88px;
  --gutter: clamp(20px, 4.5vw, 74px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header);
}

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

body::before {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  content: "";
  opacity: 0.13;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.19'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

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

img {
  height: auto;
}

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

button,
input,
textarea,
select {
  font: inherit;
}

button {
  color: inherit;
}

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

.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;
  top: 8px;
  left: 8px;
  z-index: 200;
  padding: 10px 14px;
  color: var(--ink);
  background: var(--signal);
  font-family: var(--mono);
  font-size: 0.76rem;
  transform: translateY(-160%);
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  min-height: var(--header);
  display: grid;
  grid-template-columns: minmax(250px, 0.9fr) minmax(450px, 1.7fr) auto;
  align-items: center;
  gap: 24px;
  padding: 0 var(--gutter);
  color: var(--white);
  background: rgba(23, 25, 21, 0.97);
  border-bottom: 1px solid var(--line-light);
}

.scroll-progress {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  background: var(--signal);
  transform: scaleX(var(--scroll-progress, 0));
  transform-origin: left;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  width: max-content;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 52px;
  aspect-ratio: 1;
  color: var(--ink);
  background: var(--signal);
  border: 1px solid var(--white);
  font-family: var(--mono);
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.08em;
}

.brand-copy {
  display: grid;
  gap: 1px;
  line-height: 1.1;
}

.brand-copy strong {
  font-size: 0.86rem;
  letter-spacing: -0.02em;
}

.brand-copy span {
  color: #b8b9af;
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.brand-copy em {
  color: var(--signal);
  font-family: var(--mono);
  font-size: 0.54rem;
  font-style: normal;
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(14px, 1.7vw, 30px);
}

.site-nav a,
.header-contact {
  position: relative;
  padding: 9px 0;
  color: #d9d8d0;
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-nav a::after,
.header-contact::after {
  position: absolute;
  right: 0;
  bottom: 4px;
  left: 0;
  height: 1px;
  content: "";
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.header-contact:hover::after,
.header-contact:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-contact {
  justify-self: end;
  color: var(--signal);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  padding: 9px;
  background: transparent;
  border: 1px solid var(--line-light);
  cursor: pointer;
}

.menu-button span:not(.sr-only) {
  display: block;
  width: 100%;
  height: 1px;
  margin: 7px 0;
  background: var(--white);
  transition: transform 180ms ease;
}

.menu-button[aria-expanded="true"] span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.menu-button[aria-expanded="true"] span:nth-child(2) {
  transform: translateY(-4px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: calc(100svh - var(--header));
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-template-rows: auto auto 1fr auto;
  gap: 28px 20px;
  padding: 38px var(--gutter) 0;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}

.hero::after {
  position: absolute;
  top: 0;
  right: 18%;
  width: 1px;
  height: 100%;
  content: "";
  background: var(--line-light);
}

.hero-kicker {
  grid-column: 1 / span 7;
  display: flex;
  justify-content: space-between;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--line-light);
  font-family: var(--mono);
  font-size: 0.63rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-kicker span:last-child {
  color: var(--signal);
}

.hero h1 {
  position: relative;
  z-index: 3;
  grid-column: 1 / span 8;
  display: flex;
  flex-direction: column;
  align-self: start;
  font-weight: 400;
  letter-spacing: -0.06em;
  line-height: 0.79;
}

.hero-serif {
  color: var(--signal);
  font-family: var(--serif);
  font-size: clamp(4.2rem, 8vw, 9.2rem);
  font-style: italic;
  letter-spacing: -0.04em;
}

.hero-grotesk {
  max-width: 11ch;
  font-size: clamp(4rem, 8.4vw, 9.5rem);
  font-weight: 600;
}

.hero-copy {
  z-index: 4;
  grid-column: 1 / span 5;
  align-self: end;
  max-width: 650px;
  padding: 0 0 48px;
}

.eyebrow {
  margin-bottom: 18px;
  color: var(--signal);
  font-family: var(--mono);
  font-size: 0.67rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  line-height: 1.4;
  text-transform: uppercase;
}

.hero-copy > p:not(.eyebrow) {
  color: #d5d5cb;
  font-size: clamp(1.02rem, 1.4vw, 1.32rem);
  line-height: 1.55;
}

.hero-copy strong {
  color: var(--white);
  font-weight: 600;
}

.text-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 30px;
  margin-top: 28px;
}

.text-links a,
.pilot-link {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 10px 0;
  color: var(--white);
  border-bottom: 1px solid var(--signal);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.text-links a span,
.pilot-link span {
  color: var(--signal);
  font-size: 1rem;
  transition: transform 180ms ease;
}

.text-links a:hover span,
.pilot-link:hover span {
  transform: translate(3px, -3px);
}

.hero-figure {
  position: absolute;
  top: 7%;
  right: 0;
  bottom: 0;
  width: 45%;
  overflow: hidden;
  clip-path: polygon(18% 0, 100% 0, 100% 100%, 0 100%, 0 17%);
}

.hero-figure::after {
  position: absolute;
  inset: 0;
  content: "";
  background: rgba(23, 25, 21, 0.35);
  mix-blend-mode: multiply;
}

.hero-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 58% center;
  filter: saturate(0.74) contrast(1.12);
}

.hero-figure figcaption {
  position: absolute;
  right: 22px;
  bottom: 64px;
  z-index: 2;
  width: min(320px, 72%);
  display: grid;
  gap: 5px;
  padding: 14px 16px;
  color: var(--ink);
  background: var(--signal);
  font-family: var(--mono);
  font-size: 0.62rem;
  text-transform: uppercase;
}

.figure-stamp {
  position: absolute;
  top: 22%;
  right: -7px;
  z-index: 2;
  color: var(--signal);
  font-size: clamp(2.5rem, 4vw, 5rem);
  font-weight: 700;
  letter-spacing: -0.07em;
  line-height: 0.72;
  text-align: right;
  transform: rotate(-90deg) translateY(-100%);
  transform-origin: top right;
  -webkit-text-stroke: 1px var(--ink);
}

.hero-index {
  z-index: 5;
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-light);
}

.hero-index span {
  min-height: 54px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  border-right: 1px solid var(--line-light);
  font-family: var(--mono);
  font-size: 0.61rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-index span:first-child {
  padding-left: 0;
}

.hero-index span:last-child {
  border-right: 0;
}

.section-marker {
  color: currentColor;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.proposition {
  display: grid;
  grid-template-columns: 0.6fr 5fr 3.2fr;
  gap: 28px 4vw;
  padding: clamp(92px, 11vw, 170px) var(--gutter);
  background: var(--paper);
  border-bottom: 1px solid var(--line-dark);
}

.proposition-heading h2,
.model-head h2,
.sequence-intro h2 {
  max-width: 13ch;
  font-size: clamp(3.5rem, 7.8vw, 8.7rem);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 0.88;
}

.proposition-heading h2 em,
.governance h2 em,
.pilot h2 em {
  color: var(--rust);
  font-family: var(--serif);
  font-weight: 400;
}

.proposition-body {
  align-self: end;
  display: grid;
  gap: 26px;
  padding-bottom: 8px;
}

.proposition-body p {
  max-width: 43rem;
}

.proposition-body .lede {
  font-size: clamp(1.3rem, 2vw, 1.95rem);
  letter-spacing: -0.035em;
  line-height: 1.3;
}

.concept-note {
  padding: 18px 0 0 28px;
  color: #4c4d43;
  border-left: 2px solid var(--signal);
  font-family: var(--mono);
  font-size: 0.72rem;
  line-height: 1.75;
}

.proposition blockquote {
  grid-column: 2 / -1;
  display: flex;
  flex-direction: column;
  margin-top: clamp(70px, 9vw, 140px);
  padding-top: 28px;
  border-top: 1px solid var(--ink);
  font-family: var(--serif);
  font-size: clamp(3rem, 6.2vw, 7rem);
  font-style: italic;
  letter-spacing: -0.045em;
  line-height: 0.92;
}

.proposition blockquote span:last-child {
  align-self: flex-end;
  color: var(--olive-dark);
}

.infrastructure {
  display: grid;
  grid-template-columns: 0.95fr 1.55fr;
  gap: 8vw;
  padding: clamp(96px, 11vw, 170px) var(--gutter);
  color: var(--white);
  background: var(--ink-soft);
}

.infrastructure-intro {
  position: sticky;
  top: calc(var(--header) + 38px);
  align-self: start;
}

.infrastructure-intro .section-marker {
  display: block;
  margin-bottom: 70px;
  color: var(--signal);
}

.infrastructure-intro h2 {
  max-width: 9ch;
  margin-bottom: 30px;
  font-family: var(--serif);
  font-size: clamp(3.8rem, 6.3vw, 7.6rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.88;
}

.infrastructure-intro > p:last-child {
  max-width: 32rem;
  color: #bbbcb2;
  font-size: 1.05rem;
}

.anatomy {
  border-top: 1px solid var(--line-light);
}

.anatomy article {
  display: grid;
  grid-template-columns: 52px minmax(160px, 0.7fr) 1fr;
  gap: 20px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line-light);
}

.anatomy article > span,
.ledger-number {
  color: var(--signal);
  font-family: var(--mono);
  font-size: 0.7rem;
}

.anatomy h3 {
  font-size: clamp(1.15rem, 1.7vw, 1.55rem);
  letter-spacing: -0.035em;
}

.anatomy p {
  color: #bfc0b6;
  font-size: 0.92rem;
}

.product-stage {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 5vw;
  margin-top: clamp(70px, 9vw, 140px);
  padding-top: 40px;
  border-top: 1px solid var(--line-light);
}

.product-visual {
  position: relative;
  min-height: 660px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: var(--paper-deep);
  clip-path: polygon(0 0, 94% 0, 100% 8%, 100% 100%, 0 100%);
}

.product-visual img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 36px;
  filter: contrast(1.04) saturate(0.82);
}

.visual-label {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 2;
  padding: 8px 10px;
  color: var(--ink);
  background: var(--signal);
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.product-editorial {
  align-self: end;
  padding-bottom: 10px;
}

.product-editorial h3 {
  margin-bottom: 18px;
  font-family: var(--serif);
  font-size: clamp(3rem, 5vw, 6rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.92;
}

.product-editorial > p:not(.eyebrow) {
  max-width: 34rem;
  color: #c8c8bf;
}

.configuration-list {
  margin-top: 52px;
  border-top: 1px solid var(--line-light);
}

.configuration-list button {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 17px 0;
  color: #aaa99f;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line-light);
  text-align: left;
  cursor: pointer;
}

.configuration-list button span {
  color: var(--signal);
  font-family: var(--mono);
  font-size: 0.64rem;
}

.configuration-list button.active {
  color: var(--white);
  padding-left: 20px;
}

.model {
  padding: clamp(100px, 12vw, 190px) var(--gutter);
  background: var(--paper);
}

.model-head {
  display: grid;
  grid-template-columns: 0.7fr 3fr 7fr;
  gap: 3vw;
  align-items: start;
}

.model-head h2 {
  grid-column: 3;
  max-width: 10ch;
}

.model-ledger {
  margin-top: 100px;
  border-top: 2px solid var(--ink);
}

.model-ledger article {
  display: grid;
  grid-template-columns: 0.5fr 2.3fr 4fr;
  gap: 24px;
  padding: 25px 0 27px;
  border-bottom: 1px solid var(--line-dark);
}

.model-ledger h3 {
  font-size: clamp(1.25rem, 2vw, 2.05rem);
  letter-spacing: -0.045em;
}

.model-ledger p {
  max-width: 60rem;
  color: #4d4d44;
}

.sponsorship-narrative {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7vw;
  margin-top: clamp(90px, 11vw, 170px);
  padding-top: 38px;
  border-top: 1px solid var(--ink);
}

.sponsorship-copy h3 {
  margin-bottom: 32px;
  font-family: var(--serif);
  font-size: clamp(3.1rem, 5.4vw, 6.3rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.9;
}

.sponsorship-copy > p:not(.eyebrow) {
  max-width: 43rem;
  margin-top: 20px;
}

.message-specimen {
  align-self: end;
  display: grid;
  grid-template-columns: 1fr 0.55fr;
  border: 1px solid var(--ink);
  background: var(--white);
}

.message-specimen img {
  width: 100%;
  height: 100%;
  min-height: 480px;
  object-fit: cover;
  filter: saturate(0.68) contrast(1.12);
}

.message-specimen figcaption {
  display: flex;
  flex-direction: column;
  padding: 20px;
  border-left: 1px solid var(--ink);
  font-family: var(--mono);
  font-size: 0.65rem;
  text-transform: uppercase;
}

.message-specimen figcaption strong {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--line-dark);
}

.message-specimen figcaption span {
  margin-top: 6px;
  color: #5b5d50;
}

.governance {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  min-height: 900px;
  color: var(--white);
  background: var(--olive-dark);
}

.governance-art {
  position: sticky;
  top: var(--header);
  height: calc(100vh - var(--header));
  min-height: 650px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-right: 1px solid rgba(248, 245, 237, 0.28);
}

.governance-art svg {
  width: 86%;
  height: 86%;
  fill: none;
  stroke: rgba(248, 245, 237, 0.24);
  stroke-width: 1;
}

.governance-art span {
  position: absolute;
  color: var(--signal);
  font-size: clamp(3rem, 7vw, 8rem);
  font-weight: 700;
  letter-spacing: -0.07em;
  line-height: 0.75;
  text-align: center;
}

.governance-copy {
  padding: clamp(90px, 10vw, 160px) var(--gutter);
}

.governance-copy > .section-marker {
  display: block;
  margin-bottom: 72px;
  color: var(--signal);
}

.governance h2 {
  font-size: clamp(4rem, 7vw, 8rem);
  font-weight: 600;
  letter-spacing: -0.07em;
  line-height: 0.82;
}

.governance h2 em {
  color: var(--signal);
}

.governance ol {
  margin-top: 70px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-light);
}

.governance li {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line-light);
}

.governance li > span {
  color: var(--signal);
  font-family: var(--mono);
  font-size: 0.68rem;
}

.governance li p {
  max-width: 44rem;
  color: #e2e2d8;
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
}

.sequence {
  padding: clamp(100px, 12vw, 190px) var(--gutter);
  background: var(--paper-deep);
}

.sequence-intro {
  display: grid;
  grid-template-columns: 0.6fr 1fr 1fr;
  gap: 3vw;
  align-items: end;
}

.sequence-intro .eyebrow {
  grid-column: 2;
}

.sequence-intro h2 {
  grid-column: 2 / -1;
  max-width: none;
}

.sequence-intro > p:last-child {
  grid-column: 3;
  max-width: 32rem;
  margin-top: 20px;
}

.sequence-list {
  margin-top: 100px;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--ink);
}

.sequence-list li {
  display: grid;
  grid-template-columns: 0.6fr 2.2fr 2fr;
  align-items: baseline;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-dark);
}

.sequence-list span {
  font-family: var(--mono);
  font-size: 0.7rem;
}

.sequence-list strong {
  font-family: var(--serif);
  font-size: clamp(3.3rem, 7vw, 8rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.95;
}

.sequence-list small {
  max-width: 34rem;
  color: #4e4f46;
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: uppercase;
}

.evidence-note {
  width: min(760px, 100%);
  margin: 80px 0 0 auto;
  padding-left: 30px;
  border-left: 3px solid var(--rust);
  font-size: clamp(1.05rem, 1.55vw, 1.35rem);
}

.pilot {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  min-height: 860px;
  color: var(--white);
  background: var(--ink);
}

.pilot-image {
  position: relative;
  min-height: 760px;
  overflow: hidden;
}

.pilot-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.45) saturate(0.76) contrast(1.08);
}

.pilot-image::after {
  position: absolute;
  inset: 0;
  content: "";
  background: rgba(23, 25, 21, 0.22);
}

.pilot-image figcaption {
  position: absolute;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: 14px 20px;
  color: var(--ink);
  background: var(--signal);
  font-family: var(--mono);
  font-size: 0.65rem;
  text-transform: uppercase;
}

.pilot-copy {
  align-self: center;
  padding: clamp(70px, 9vw, 140px) var(--gutter);
}

.pilot-copy .section-marker {
  display: block;
  margin-bottom: 70px;
  color: var(--signal);
}

.pilot h2 {
  margin-bottom: 38px;
  font-size: clamp(4rem, 7vw, 8.5rem);
  font-weight: 600;
  letter-spacing: -0.07em;
  line-height: 0.82;
}

.pilot h2 em {
  color: var(--signal);
}

.pilot-copy > p:not(.eyebrow) {
  max-width: 42rem;
  margin-top: 22px;
  color: #c5c6bc;
}

.pilot-link {
  margin-top: 44px;
}

.site-footer {
  display: grid;
  grid-template-columns: 1.25fr 1fr 1fr;
  gap: 50px 5vw;
  padding: 70px var(--gutter) 30px;
  color: var(--ink);
  background: var(--signal);
}

.footer-lead {
  display: flex;
  align-items: flex-start;
  gap: 22px;
}

.footer-mark {
  display: grid;
  place-items: center;
  width: 70px;
  aspect-ratio: 1;
  flex: 0 0 auto;
  border: 2px solid var(--ink);
  font-family: var(--mono);
  font-weight: 500;
}

.footer-lead p {
  max-width: 10ch;
  font-family: var(--serif);
  font-size: clamp(2rem, 3.7vw, 4.2rem);
  letter-spacing: -0.045em;
  line-height: 0.95;
}

.footer-status strong {
  display: block;
  margin-bottom: 12px;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.footer-status p {
  max-width: 38rem;
}

.footer-glossary {
  display: grid;
  align-content: start;
  gap: 9px;
  font-family: var(--mono);
  font-size: 0.63rem;
  text-transform: uppercase;
}

.footer-bottom {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--ink);
  font-family: var(--mono);
  font-size: 0.62rem;
  text-transform: uppercase;
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 650ms ease, transform 650ms ease;
}

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

@media (max-width: 1180px) {
  .site-header {
    grid-template-columns: 1fr auto auto;
  }

  .site-nav {
    position: absolute;
    top: var(--header);
    right: 0;
    left: 0;
    display: none;
    padding: 10px var(--gutter) 20px;
    background: var(--ink);
    border-bottom: 1px solid var(--line-light);
  }

  .site-nav.open {
    display: grid;
  }

  .site-nav a {
    padding: 14px 0;
    border-bottom: 1px solid var(--line-light);
  }

  .menu-button {
    display: block;
  }

  .hero h1 {
    grid-column: 1 / span 9;
  }

  .hero-figure {
    width: 48%;
  }

  .hero-copy {
    grid-column: 1 / span 6;
  }

  .proposition {
    grid-template-columns: 0.4fr 1.35fr 0.8fr;
  }

  .model-head {
    grid-template-columns: 0.4fr 0.7fr 2fr;
  }
}

@media (max-width: 900px) {
  :root {
    --header: 78px;
  }

  .hero {
    min-height: auto;
    grid-template-rows: auto auto auto auto;
    padding-top: 28px;
  }

  .hero-kicker,
  .hero h1,
  .hero-copy {
    grid-column: 1 / -1;
  }

  .hero h1 {
    margin-top: 12px;
  }

  .hero-serif,
  .hero-grotesk {
    font-size: clamp(4.1rem, 13vw, 7.4rem);
  }

  .hero-copy {
    width: min(640px, 100%);
    padding: 0 0 24px;
  }

  .hero-figure {
    position: relative;
    top: auto;
    right: auto;
    bottom: auto;
    grid-column: 3 / -1;
    width: calc(100% + var(--gutter));
    min-height: 560px;
    margin-right: calc(var(--gutter) * -1);
  }

  .hero-index {
    grid-template-columns: 1fr 1fr;
  }

  .hero-index span:nth-child(2) {
    border-right: 0;
  }

  .hero-index span:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line-light);
  }

  .proposition {
    grid-template-columns: 0.2fr 1fr;
  }

  .proposition-body {
    grid-column: 2;
  }

  .proposition blockquote {
    grid-column: 1 / -1;
  }

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

  .infrastructure-intro {
    position: static;
  }

  .product-stage {
    grid-template-columns: 1fr;
  }

  .product-visual {
    min-height: 580px;
  }

  .model-head {
    grid-template-columns: 0.2fr 1fr;
  }

  .model-head .eyebrow,
  .model-head h2 {
    grid-column: 2;
  }

  .model-ledger article {
    grid-template-columns: 0.25fr 0.75fr 1.3fr;
  }

  .sponsorship-narrative {
    grid-template-columns: 1fr;
  }

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

  .governance-art {
    position: relative;
    top: auto;
    height: 62vw;
    min-height: 440px;
    border-right: 0;
    border-bottom: 1px solid var(--line-light);
  }

  .sequence-intro {
    grid-template-columns: 0.2fr 1fr;
  }

  .sequence-intro .eyebrow,
  .sequence-intro h2,
  .sequence-intro > p:last-child {
    grid-column: 2;
  }

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

  .pilot-image {
    min-height: 600px;
  }

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

  .footer-lead {
    grid-column: 1 / -1;
  }

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

@media (max-width: 620px) {
  :root {
    --header: 72px;
    --gutter: 18px;
  }

  .site-header {
    gap: 10px;
  }

  .brand-mark {
    width: 42px;
  }

  .brand-copy strong {
    font-size: 0.75rem;
  }

  .brand-copy span {
    display: none;
  }

  .brand-copy em {
    font-size: 0.46rem;
  }

  .header-contact {
    display: none;
  }

  .hero {
    gap: 20px;
  }

  .hero-kicker {
    font-size: 0.52rem;
  }

  .hero-kicker span:last-child {
    display: none;
  }

  .hero-serif,
  .hero-grotesk {
    font-size: clamp(3.3rem, 17vw, 5rem);
  }

  .hero-copy > p:not(.eyebrow) {
    font-size: 0.98rem;
  }

  .text-links {
    display: grid;
  }

  .hero-figure {
    grid-column: 1 / -1;
    min-height: 470px;
  }

  .hero-index span {
    padding: 0 10px;
    font-size: 0.53rem;
  }

  .proposition,
  .model-head,
  .sequence-intro {
    grid-template-columns: 1fr;
  }

  .proposition-heading,
  .proposition-body,
  .model-head .eyebrow,
  .model-head h2,
  .sequence-intro .eyebrow,
  .sequence-intro h2,
  .sequence-intro > p:last-child {
    grid-column: 1;
  }

  .proposition-heading h2,
  .model-head h2,
  .sequence-intro h2 {
    font-size: clamp(3.1rem, 14vw, 5.3rem);
  }

  .proposition blockquote {
    font-size: clamp(2.7rem, 12vw, 4.5rem);
  }

  .proposition blockquote span:last-child {
    align-self: flex-start;
  }

  .infrastructure-intro h2,
  .product-editorial h3,
  .sponsorship-copy h3,
  .governance h2,
  .pilot h2 {
    font-size: clamp(3.2rem, 14vw, 5.2rem);
  }

  .anatomy article {
    grid-template-columns: 38px 1fr;
  }

  .anatomy article p {
    grid-column: 2;
  }

  .product-visual {
    min-height: 430px;
  }

  .product-visual img {
    padding: 28px 10px 10px;
  }

  .model-ledger article {
    grid-template-columns: 36px 1fr;
  }

  .model-ledger article p {
    grid-column: 2;
  }

  .message-specimen {
    grid-template-columns: 1fr;
  }

  .message-specimen img {
    min-height: 380px;
  }

  .message-specimen figcaption {
    min-height: 210px;
    border-top: 1px solid var(--ink);
    border-left: 0;
  }

  .governance-art {
    min-height: 390px;
  }

  .governance-copy {
    padding-right: var(--gutter);
    padding-left: var(--gutter);
  }

  .sequence-list li {
    grid-template-columns: 36px 1fr;
  }

  .sequence-list small {
    grid-column: 2;
    padding-bottom: 10px;
  }

  .pilot-image {
    min-height: 480px;
  }

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

  .footer-lead,
  .footer-status,
  .footer-glossary {
    grid-column: 1;
  }
}

@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;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}