:root {
  color-scheme: light dark;
  --paper: #f7f7f5;
  --surface: #ffffff;
  --ink: #111214;
  --muted: #62656b;
  --line: #d8d9d6;
  --soft: #ececea;
  --brand: #d53a2f;
  --display: "Helvetica Neue", "Neue Haas Grotesk Text Pro", Arial, sans-serif;
  --wordmark-serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --utility: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --max: 1440px;
  --story-hold: 145svh;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  scroll-snap-type: y mandatory;
  background: var(--paper);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  color: var(--paper);
  background: var(--ink);
  transform: translateY(-150%);
}

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

main > section {
  width: min(100% - 48px, var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 30;
  top: 0;
  width: 100%;
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: max(24px, calc((100vw - var(--max)) / 2));
  background: color-mix(in srgb, var(--paper) 96%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-block;
  font: 560 20px/1.1 var(--wordmark-serif);
  letter-spacing: -0.035em;
  text-decoration: none;
}

.brand__lead {
  font-family: var(--display);
  font-weight: 760;
  letter-spacing: -0.045em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  font-size: 14px;
  font-weight: 580;
}

.site-nav a {
  text-decoration: none;
  text-underline-offset: 5px;
}

.site-nav a:hover { text-decoration: underline; }

.site-nav .nav-cta {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 10px 15px;
  color: var(--paper);
  background: var(--ink);
  border: 1px solid var(--ink);
  transition: opacity 180ms ease, transform 180ms ease, visibility 180ms step-start;
}

.js .site-nav .nav-cta.is-suppressed {
  display: none;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity 180ms ease, transform 180ms ease, visibility 0s 180ms;
}

.hero {
  position: relative;
  min-height: calc(100svh - 96px);
  display: flex;
  align-items: center;
  padding-block: clamp(84px, 11vh, 150px);
  isolation: isolate;
  overflow: hidden;
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.hero__copy {
  position: relative;
  z-index: 2;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-field {
  position: absolute;
  z-index: 0;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  contain: strict;
  pointer-events: none;
}

.eyebrow,
.section-label,
.step__index {
  margin: 0;
  font-family: var(--utility);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1, h2, h3, p { margin-top: 0; }

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 520;
  letter-spacing: -.045em;
}

h1 {
  max-width: 1260px;
  margin: 0 0 30px;
  font-size: clamp(64px, 8vw, 148px);
  line-height: .84;
  white-space: nowrap;
}

.hero__accent {
  color: var(--brand);
}

.hero__lede {
  max-width: 650px;
  margin-bottom: 38px;
  color: var(--muted);
  font-size: clamp(18px, 1.5vw, 23px);
  line-height: 1.45;
  letter-spacing: -.025em;
  text-wrap: balance;
}

.scroll-cue {
  position: absolute;
  z-index: 3;
  bottom: 24px;
  left: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-family: var(--utility);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: .14em;
  text-decoration: none;
  text-transform: uppercase;
  transform: translateX(-50%);
}

.scroll-cue svg {
  width: 18px;
  height: 29px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.25;
}

.scroll-cue circle {
  fill: var(--brand);
  stroke: none;
  animation: scroll-cue 1.8s cubic-bezier(.2, .7, .2, 1) infinite;
}

@keyframes scroll-cue {
  0%, 15% { opacity: 0; transform: translateY(0); }
  35% { opacity: 1; }
  80%, 100% { opacity: 0; transform: translateY(14px); }
}

.story-stage {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(420px, .92fr);
  align-items: start;
  gap: clamp(56px, 8vw, 140px);
  margin-bottom: 0;
  padding-bottom: 0;
}

.scroll-story {
  grid-column: 1;
  position: relative;
}

.story-stage__visual {
  position: relative;
  z-index: 1;
  grid-column: 2;
  grid-row: 1;
  align-self: stretch;
  min-height: 100%;
  padding-top: clamp(80px, 10vw, 150px);
}

.story-step {
  min-height: calc(var(--story-hold) - 96px);
  max-width: 700px;
  position: relative;
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.story-step__content {
  min-height: calc(100svh - 96px);
  position: sticky;
  top: 96px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  opacity: .16;
  transition: opacity 220ms ease;
}

.story-step:last-child .story-step__content {
  transform: translateY(var(--story-tail-offset, 0px));
  transition: none;
}

.story-step:last-child .story-step__content.is-released {
  opacity: 0;
  visibility: hidden;
}

.story-step.is-active .story-step__content {
  opacity: 1;
}

.story-step h2 {
  max-width: 650px;
  margin: 20px 0 26px;
  font-size: clamp(46px, 6vw, 88px);
  line-height: .98;
}

.story-step .story-copy {
  max-width: 520px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(17px, 1.4vw, 21px);
  line-height: 1.5;
}

.story-source { position: relative; max-width: 540px; }

.story-source__trigger {
  display: inline;
  margin: 0;
  padding: 0;
  color: inherit;
  background: transparent;
  border: 0;
  font: inherit;
  line-height: inherit;
  text-align: left;
  text-decoration-line: underline;
  text-decoration-style: dotted;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
  cursor: help;
}

.story-source__trigger:focus-visible {
  outline: 0;
  text-decoration-color: var(--brand);
  text-decoration-style: solid;
  text-decoration-thickness: 2px;
}

.story-source__card {
  position: absolute;
  z-index: 8;
  top: calc(100% + 16px);
  left: 0;
  width: min(520px, calc(100vw - 32px));
  padding: 18px 20px;
  color: var(--paper);
  background: var(--ink);
  border: 1px solid var(--ink);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity 160ms ease, transform 200ms ease, visibility 0s linear 200ms;
}

.story-source__card p {
  margin: 0 0 12px;
  font-family: var(--utility);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: .015em;
}

.story-source__card a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: inherit;
  font-size: 12px;
  font-weight: 650;
  text-underline-offset: 4px;
}

.story-source.is-hovered .story-source__card,
.story-source.is-open .story-source__card,
.story-source.is-focused .story-source__card {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
  transition-delay: 0s;
}

.button {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 13px 18px;
  border: 1px solid var(--ink);
  font-family: var(--body);
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

.button:hover { transform: translateY(-2px); }
.button--primary { color: var(--paper); background: var(--ink); }
.text-link { font-size: 14px; font-weight: 620; text-underline-offset: 5px; }

.data-ledger {
  position: sticky;
  top: clamp(100px, 13vh, 150px);
  aspect-ratio: 1;
  width: 100%;
  max-width: 640px;
  display: block;
  margin-left: auto;
  overflow: hidden;
  contain: layout paint;
  background:
    linear-gradient(to bottom, transparent 0 17%, var(--line) 17% calc(17% + 1px), transparent calc(17% + 1px)),
    repeating-linear-gradient(to bottom, transparent 0 12.8%, color-mix(in srgb, var(--line) 48%, transparent) 12.8% calc(12.8% + 1px));
}

.data-ledger__inside,
.data-ledger__outside {
  position: absolute;
  top: 8%;
  z-index: 3;
  color: var(--muted);
  font-family: var(--utility);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.data-ledger__inside { left: 5%; }
.data-ledger__outside { right: 3%; transition: opacity 420ms ease; }

.data-ledger__boundary {
  position: absolute;
  z-index: 2;
  top: 4%;
  bottom: 4%;
  left: 79%;
  width: 1px;
  background: var(--ink);
}

.data-ledger__boundary::before,
.data-ledger__boundary::after {
  position: absolute;
  left: -4px;
  width: 9px;
  height: 9px;
  background: var(--brand);
  content: "";
}

.data-ledger__boundary::before { top: 0; }
.data-ledger__boundary::after { bottom: 0; }

.data-ledger__rows { position: absolute; inset: 18% 0 8%; }

.data-ledger__row {
  --duration: 7.6s;
  position: absolute;
  top: calc(var(--row) * 17% + 6%);
  left: 5%;
  z-index: 1;
  width: clamp(116px, 12vw, 156px);
  height: 40px;
  display: flex;
  align-items: center;
  color: var(--ink);
  background: var(--paper);
  border-block: 1px solid var(--ink);
  animation: ledger-egress var(--duration) linear infinite;
  animation-delay: calc(var(--row) * -1.17s);
}

.data-ledger__row b {
  padding-inline: 10px;
  font-family: var(--utility);
  font-size: clamp(9px, .8vw, 11px);
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.data-ledger__row::after {
  position: absolute;
  left: 100%;
  width: clamp(42px, 6vw, 82px);
  height: 1px;
  background: var(--ink);
  content: "";
}

.data-ledger__mark {
  position: absolute;
  z-index: 4;
  top: 50%;
  left: 60%;
  width: 92px;
  height: 98px;
  opacity: 0;
  transform: translate(-25%, -50%) scale(.82);
  transition: opacity 520ms ease, transform 700ms cubic-bezier(.2, .7, .2, 1);
}

.data-ledger[data-story-state="1"] .data-ledger__row,
.data-ledger[data-story-state="2"] .data-ledger__row {
  animation: none;
  opacity: 1;
  transform: translateX(0);
  transition: transform 620ms cubic-bezier(.2, .7, .2, 1), opacity 260ms ease;
}

.data-ledger[data-story-state="1"] .data-ledger__outside,
.data-ledger[data-story-state="2"] .data-ledger__outside { opacity: 0; }

.data-ledger[data-story-state="1"] .data-ledger__mark,
.data-ledger[data-story-state="2"] .data-ledger__mark {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

@keyframes ledger-egress {
  0% { opacity: 0; transform: translateX(0); }
  10% { opacity: 1; }
  72% { opacity: 1; }
  100% { opacity: 0; transform: translateX(310%); }
}

.particle-morph {
  position: sticky;
  top: clamp(100px, 13vh, 150px);
  aspect-ratio: 1;
  width: 100%;
  max-width: 640px;
  display: block;
  margin-left: auto;
  contain: layout paint;
  pointer-events: none;
}

@media (min-width: 981px) {
  .story-stage__visual { padding-top: 0; }

  .particle-morph {
    top: calc(50svh + 48px - var(--particle-half, 320px));
    width: min(100%, calc(100svh - 136px));
    transform: none;
  }
}

.principle {
  position: relative;
  z-index: 2;
  min-height: calc(100svh - 96px);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-block: clamp(100px, 14vw, 220px);
  border-top: 1px solid var(--line);
  background: var(--paper);
  isolation: isolate;
  overflow: hidden;
}

.principle-network {
  position: absolute;
  z-index: 0;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  contain: strict;
  pointer-events: none;
}

.principle,
.approach,
.capabilities,
.closing {
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.principle h2 {
  position: relative;
  z-index: 1;
  max-width: 1000px;
  margin: 0 auto;
  font-size: clamp(42px, 6vw, 92px);
  line-height: 1.04;
}

.section-label { color: var(--muted); }

.approach {
  min-height: calc(100svh - 192px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: clamp(76px, 8vw, 124px);
  border-top: 1px solid var(--line);
}

.section-heading {
  display: grid;
  grid-template-columns: 1fr 1.5fr 1fr;
  gap: 60px;
  align-items: start;
}

.approach .section-heading { grid-template-columns: 1fr 2.5fr; }
.approach .section-heading h2 { grid-column: 2; }

.section-heading h2 {
  margin: -8px 0 0;
  font-size: clamp(42px, 5vw, 72px);
  line-height: 1;
}

.section-heading > p:last-child { max-width: 430px; color: var(--muted); }

.steps {
  margin: clamp(48px, 5vw, 76px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink);
}

.steps li {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 2.5fr;
  gap: 60px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.steps li::after {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--brand);
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left center;
  pointer-events: none;
}

.steps li:nth-child(1) { --process-delay: 0ms; }
.steps li:nth-child(2) { --process-delay: 700ms; }
.steps li:nth-child(3) { --process-delay: 1400ms; }

.approach.is-process-active .steps li::after {
  animation: process-trace 820ms cubic-bezier(.22, 1, .36, 1) var(--process-delay) both;
}

.approach.is-process-active .steps h3,
.approach.is-process-active .step__index {
  animation: process-accent 820ms ease var(--process-delay) both;
}

@keyframes process-trace {
  0% { opacity: 0; transform: scaleX(0); }
  12%, 72% { opacity: 1; }
  82% { opacity: 1; transform: scaleX(1); }
  100% { opacity: 0; transform: scaleX(1); }
}

@keyframes process-accent {
  0%, 100% { color: var(--ink); }
  28%, 68% { color: var(--brand); }
}

.steps li > div { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.steps h3 { margin-bottom: 0; font-size: clamp(22px, 2vw, 31px); line-height: 1.2; }
.steps p { max-width: 520px; margin-bottom: 0; color: var(--muted); }

@media (min-width: 701px) and (max-height: 760px) {
  .approach { padding-block: 34px; }
  .approach .section-heading { gap: 34px; }
  .approach .section-heading h2 { font-size: clamp(38px, 4.4vw, 56px); }
  .approach .section-heading > p:last-child { margin-bottom: 0; line-height: 1.45; }
  .steps { margin-top: 26px; }
  .steps li { gap: 34px; padding: 13px 0; }
  .steps li > div { gap: 34px; }
  .steps h3 { font-size: clamp(20px, 1.8vw, 26px); }
  .steps p { font-size: 14px; line-height: 1.45; }
}

.capabilities {
  min-height: calc(100svh - 96px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: clamp(76px, 8vw, 124px);
  border-top: 1px solid var(--line);
}

.capabilities .section-heading { grid-template-columns: 1fr 2.5fr; }

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: clamp(48px, 5vw, 76px);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
}

.capability-grid article {
  min-height: 290px;
  display: grid;
  grid-template-rows: auto auto auto;
  align-content: start;
  padding: 30px 32px 34px;
  border-right: 1px solid var(--line);
}

.capability-grid article:first-child { padding-left: 0; }
.capability-grid article:last-child { padding-right: 0; border-right: 0; }
.capability__visual {
  width: 72px;
  height: 72px;
  margin-bottom: 46px;
}

.capability__icon {
  width: 100%;
  height: 100%;
  overflow: visible;
  fill: none;
  stroke: var(--ink);
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.capability__pulse {
  fill: var(--brand);
  stroke: var(--paper);
  stroke-width: 2;
  transform-box: fill-box;
  transform-origin: center;
}

.capability__disk-flash {
  fill: var(--brand);
  stroke: none;
  opacity: 0;
  transition: opacity 180ms ease-out;
}

.capability__disk-flash.is-flashing { opacity: .32; }
.capability__flow-path {
  fill: none;
  stroke: var(--brand);
  stroke-width: 4.6;
  stroke-dasharray: 1 99;
  stroke-dashoffset: 0;
  animation: capability-data-flow 2.2s linear infinite;
}

.capability__flow-path--lower { animation-delay: -1.1s; }
.capability__pulse--compute-1 { animation: capability-compute 2.2s ease-in-out infinite; }
.capability__pulse--compute-2 { animation: capability-compute 2.2s 1.1s ease-in-out infinite; }

@keyframes capability-data-flow {
  0% { opacity: 0; stroke-dashoffset: 0; }
  10%, 90% { opacity: 1; }
  100% { opacity: 0; stroke-dashoffset: -100; }
}

@keyframes capability-compute {
  0%, 28%, 100% { opacity: .28; transform: scale(.78); }
  44%, 68% { opacity: 1; transform: scale(1.18); }
}

.capability-grid h3 { margin-bottom: 12px; font-size: 27px; line-height: 1.15; }
.capability-grid article > p:last-child { max-width: 380px; margin-bottom: 0; color: var(--muted); }

.closing {
  width: 100%;
  max-width: none;
  min-height: calc(100svh - 96px);
  display: grid;
  grid-template-rows: minmax(0, 1fr) 96px;
  padding: 0;
  text-align: center;
  background: var(--paper);
}

.closing__content {
  min-height: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: clamp(56px, 7vw, 104px) max(24px, calc((100vw - var(--max)) / 2));
  color: #f1f1ee;
  background: #111214;
}

.closing h2 {
  max-width: 1200px;
  margin: 0 auto 20px;
  font-size: clamp(52px, 8vw, 124px);
  line-height: .92;
}
.closing__copy {
  max-width: 680px;
  margin: 0 auto 30px;
  color: #aeb0b4;
  font-size: clamp(17px, 1.5vw, 22px);
}
.closing .button { justify-content: center; }
.button--inverse { color: #111214; background: #f1f1ee; border-color: #f1f1ee; }

body.modal-open { overflow: hidden; }

.contact-dialog {
  width: min(680px, calc(100% - 32px));
  max-height: min(760px, calc(100dvh - 32px));
  margin: auto;
  padding: 0;
  overflow: hidden;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--ink);
  border-radius: 0;
  box-shadow: 0 32px 90px rgba(0, 0, 0, .24);
}

.contact-dialog::backdrop { background: rgba(10, 11, 12, .68); }
.contact-dialog[open] { animation: contact-in 240ms cubic-bezier(.2, .7, .2, 1); }

@keyframes contact-in {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

.contact-form {
  min-height: min(620px, calc(100dvh - 34px));
  display: flex;
  flex-direction: column;
}

.form-honeypot { position: fixed; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-progress { height: 4px; background: var(--line); }
.form-progress i { display: block; width: 25%; height: 100%; background: var(--brand); transition: width 280ms ease; }

.form-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 0;
}

.step-count {
  color: var(--muted);
  font-family: var(--utility);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.dialog-close {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  padding: 0;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 50%;
  cursor: pointer;
}

.dialog-close svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
}

.form-steps {
  flex: 1;
  display: grid;
  align-items: center;
  padding: 28px clamp(26px, 7vw, 72px);
}

.form-step { display: none; min-width: 0; margin: 0; padding: 0; border: 0; }
.form-step.is-active { display: grid; gap: 10px; animation: form-step-in 220ms ease-out; }

@keyframes form-step-in {
  from { opacity: 0; transform: translateX(12px); }
  to { opacity: 1; transform: translateX(0); }
}

.form-step legend,
.form-success h2 {
  margin: 0 0 30px;
  padding: 0;
  font-family: var(--display);
  font-size: clamp(38px, 7vw, 62px);
  font-weight: 520;
  line-height: .98;
  letter-spacing: -.045em;
}

.form-step label:not(.form-consent) {
  margin-top: 8px;
  color: var(--muted);
  font-family: var(--utility);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.form-step label span { opacity: .65; }

.form-step input:not([type="checkbox"]),
.form-step textarea,
.form-step select {
  width: 100%;
  padding: 10px 0 12px;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 2px solid var(--line);
  border-radius: 0;
  outline: 0;
  font: inherit;
  font-size: clamp(19px, 3vw, 25px);
}

.form-step textarea { min-height: 100px; resize: vertical; }
.form-step input:focus, .form-step textarea:focus, .form-step select:focus { border-color: var(--brand); }

.step-note,
.step-error,
.form-status {
  min-height: 1.25em;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.step-error, .form-status { color: var(--brand); }

.contact-review {
  margin: -8px 0 20px;
  border-top: 1px solid var(--ink);
}

.contact-review div {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 18px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.contact-review dt { color: var(--muted); font-family: var(--utility); font-size: 11px; text-transform: uppercase; }
.contact-review dd { margin: 0; overflow-wrap: anywhere; white-space: pre-wrap; }

.form-consent { display: flex; align-items: flex-start; gap: 12px; color: var(--muted); font-size: 14px; line-height: 1.45; }
.form-consent input { flex: 0 0 auto; width: 18px; height: 18px; margin-top: 2px; accent-color: var(--brand); }

.form-actions {
  min-height: 88px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 24px;
  border-top: 1px solid var(--line);
}

.form-actions[hidden], .form-back[hidden], .form-next[hidden], .form-submit[hidden], .form-success[hidden] { display: none; }
.form-back { padding: 10px 0; color: var(--muted); background: transparent; border: 0; font: inherit; cursor: pointer; }
.form-next, .form-submit {
  min-width: 150px;
  margin-left: auto;
  justify-content: center;
  text-align: center;
}
.form-status { margin: -10px 24px 14px; }

.form-success { text-align: left; }
.form-success .section-label { margin-bottom: 20px; color: var(--brand); }
.form-success h2 { margin-bottom: 18px; }
.form-success > p:not(.section-label) { color: var(--muted); }
.dialog-done { margin-top: 18px; }
.contact-fallback { padding: 20px; text-align: center; }

.site-footer {
  width: 100%;
  max-width: none;
  height: 96px;
  min-height: 96px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-inline: max(24px, calc((100vw - var(--max)) / 2));
  color: var(--muted);
  background: var(--paper);
  font-family: var(--utility);
  font-size: 11px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.site-footer p { margin-bottom: 0; }
.footer-links { display: flex; flex-wrap: wrap; gap: 22px; }
.footer-links a { text-decoration: none; text-underline-offset: 4px; }
.footer-links a:hover { text-decoration: underline; }
.form-consent a { text-underline-offset: 3px; }

.legal-html { scroll-snap-type: none; }
.legal-page main { width: min(100% - 48px, 920px); margin-inline: auto; }
.legal-content { padding: clamp(72px, 9vw, 128px) 0 clamp(96px, 12vw, 170px); }
.legal-content__intro { padding-bottom: clamp(46px, 7vw, 86px); border-bottom: 1px solid var(--ink); }
.legal-content h1 { max-width: 900px; margin: 0; font-size: clamp(54px, 9vw, 108px); line-height: .9; white-space: normal; }
.legal-content__updated { margin: 24px 0 0; color: var(--muted); font-family: var(--utility); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.legal-sections { display: grid; gap: 0; }
.legal-sections section { display: grid; grid-template-columns: minmax(150px, .75fr) minmax(0, 2fr); gap: clamp(32px, 6vw, 86px); padding: 38px 0; border-bottom: 1px solid var(--line); }
.legal-sections h2 { margin: 0; font-size: 24px; line-height: 1.15; }
.legal-sections h3 { margin: 24px 0 8px; font-size: 17px; letter-spacing: -.02em; }
.legal-sections p, .legal-sections ul { max-width: 680px; margin-bottom: 14px; color: var(--muted); }
.legal-sections p:last-child, .legal-sections ul:last-child { margin-bottom: 0; }
.legal-sections address { color: var(--muted); font-style: normal; }
.legal-sections a { text-underline-offset: 4px; }

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

.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 620ms ease, transform 720ms cubic-bezier(.2, .7, .2, 1);
}

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

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0c0d0e;
    --surface: #131416;
    --ink: #ededeb;
    --muted: #a2a4a8;
    --line: #303236;
    --soft: #1b1c1f;
  }

  .closing__content { color: #111214; background: #e2e2de; }
  .closing__copy { color: #5f6267; }
  .button--inverse { color: #ededeb; background: #111214; border-color: #111214; }
  .contact-dialog { color: var(--ink); background: var(--paper); }
}

@media (max-width: 980px) {
  .story-stage {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    gap: 0;
  }
  .story-stage__visual {
    position: relative;
    top: auto;
    grid-column: 1;
    grid-row: 1;
    width: 100%;
    margin: 0 0 8vh;
    padding-top: 0;
  }
  .scroll-story { grid-column: 1; grid-row: 2; }
  .story-step { min-height: calc(var(--story-hold) - 96px); }
  .data-ledger,
  .particle-morph { position: relative; top: auto; max-width: 650px; margin-inline: 0; transform: none; }
  .section-heading { grid-template-columns: 1fr 2fr; }
  .approach .section-heading { grid-template-columns: 1fr 2fr; }
  .section-heading > p:last-child { grid-column: 2; }
  .steps li { grid-template-columns: .5fr 3fr; }
  .capability-grid article { min-height: 280px; padding-inline: 24px; }
}

@media (max-width: 700px) {
  html { scroll-padding-top: 78px; }

  .site-header,
  main > section { width: min(100% - 32px, var(--max)); }

  .site-header {
    width: 100%;
    height: 78px;
    padding-inline: 16px;
    background: var(--paper);
    backdrop-filter: none;
  }
  .site-header .brand { font-size: 18px; }
  .site-nav > a:not(.nav-cta) { display: none; }
  .site-nav .nav-cta { padding: 8px 11px; }
  .hero {
    min-height: calc(100svh - 78px);
    padding-block: 64px 96px;
  }
  .story-stage { margin-bottom: 0; padding-bottom: 0; }
  .story-stage__visual {
    z-index: 0;
    grid-row: 1;
    align-self: stretch;
    min-height: 100%;
    margin-bottom: 0;
    pointer-events: none;
  }
  .scroll-story { z-index: 1; grid-row: 1; }
  .story-step {
    min-height: calc(var(--story-hold) - 78px);
  }
  .story-step__content {
    min-height: calc(100svh - 78px);
    top: 78px;
    justify-content: flex-end;
    padding: min(78vw, 330px) 0 7vh;
  }
  .story-step h2 { font-size: clamp(43px, 13vw, 62px); }
  .story-source__card { top: auto; bottom: calc(100% + 14px); }
  h1 { font-size: clamp(52px, 16vw, 82px); white-space: normal; }
  .hero__lede { max-width: 520px; }
  .scroll-cue { bottom: 18px; }
  .button { width: 100%; }
  .hero .button {
    width: auto;
    min-height: 46px;
    justify-content: center;
    padding: 10px 18px;
  }
  .contact-form { min-height: min(610px, calc(100dvh - 32px)); }
  .form-top { padding-inline: 18px; }
  .form-steps { padding: 20px 22px; }
  .form-actions { padding-inline: 18px; }
  .form-next, .form-submit { width: auto; }
  .contact-review div { grid-template-columns: 82px minmax(0, 1fr); gap: 12px; }
  .data-ledger { max-width: 520px; margin-inline: auto; }
  .particle-morph {
    position: sticky;
    top: 84px;
    width: min(72vw, 330px);
    margin-inline: auto;
    transform: none;
  }
  .section-heading,
  .approach .section-heading,
  .capabilities .section-heading { grid-template-columns: 1fr; gap: 14px; }
  .approach .section-heading h2 { grid-column: 1; }
  .approach,
  .capabilities { padding-block: 36px; }
  .principle,
  .approach,
  .capabilities { min-height: calc(100svh - 78px); }
  .closing { min-height: calc(100svh - 78px); grid-template-rows: minmax(0, 1fr) 78px; }
  .closing__content { padding: 40px 16px; }
  .approach .section-heading h2,
  .capabilities .section-heading h2 { font-size: clamp(36px, 11vw, 48px); }
  .section-heading > p:last-child { grid-column: auto; }
  .steps { margin-top: 24px; }
  .steps li {
    grid-template-columns: 26px minmax(0, 1fr);
    gap: 10px;
    padding: 12px 0;
  }
  .steps li > div {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 10px;
  }
  .steps h3 { font-size: 19px; }
  .steps p { font-size: 12.5px; line-height: 1.4; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-grid article,
  .capability-grid article:first-child,
  .capability-grid article:last-child {
    min-height: 0;
    grid-template-columns: 52px minmax(0, 1fr);
    grid-template-rows: auto auto;
    column-gap: 16px;
    padding: 16px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .capability-grid { margin-top: 24px; }
  .capability__visual {
    grid-row: 1 / 3;
    width: 52px;
    height: 52px;
    margin-bottom: 0;
  }
  .capability-grid h3 { margin-bottom: 5px; font-size: 20px; }
  .capability-grid article > p:last-child { font-size: 13px; line-height: 1.4; }
  .capability-grid article:last-child { border-bottom: 0; }
  .site-footer { height: 78px; min-height: 78px; align-items: flex-start; flex-direction: column; justify-content: center; gap: 4px; padding-inline: 16px; }
  .footer-links { gap: 16px; }
  .legal-page main { width: min(100% - 32px, 920px); }
  .legal-content { padding-top: 62px; }
  .legal-sections section { grid-template-columns: 1fr; gap: 16px; padding: 30px 0; }
}

@media (max-width: 700px) and (max-height: 600px) {
  .hero { padding-block: 58px 90px; }
  .capabilities { padding-block: 18px; }
  .capabilities .section-heading { gap: 8px; }
  .capabilities .section-heading h2 { font-size: 34px; }
  .capability-grid { margin-top: 12px; }
  .capability-grid article,
  .capability-grid article:first-child,
  .capability-grid article:last-child { padding-block: 10px; }
  .capability-grid h3 { margin-bottom: 3px; font-size: 19px; }
  .capability-grid article > p:last-child { font-size: 12px; line-height: 1.35; }
}

@media (min-width: 701px) and (max-width: 980px) and (max-height: 500px) {
  .hero {
    min-height: 100svh;
    padding-block: 28px 52px;
  }
  h1 { margin-bottom: 16px; font-size: clamp(48px, 7vw, 64px); line-height: .86; }
  .hero__lede { margin-bottom: 20px; font-size: 16px; }
  .scroll-cue { bottom: 6px; }

  .story-stage {
    grid-template-columns: minmax(0, 1fr) minmax(280px, .85fr);
    grid-template-rows: auto;
    gap: 24px;
    padding-bottom: 0;
  }
  .scroll-story { grid-column: 1; grid-row: 1; }
  .story-stage__visual {
    z-index: 1;
    grid-column: 2;
    grid-row: 1;
    min-height: 100%;
    margin: 0;
    padding: 0;
  }
  .story-step { min-height: var(--story-hold); }
  .story-step__content { min-height: 100svh; top: 0; }
  .story-step h2 { margin-block: 12px 16px; font-size: clamp(36px, 5vw, 44px); }
  .story-step .story-copy { font-size: 14px; }
  .particle-morph {
    position: sticky;
    top: 24px;
    width: min(42vw, calc(100svh - 48px));
    margin-inline: auto;
  }

  .capabilities { padding-block: 22px; }
  .capabilities .section-heading h2 { font-size: 42px; }
  .capability-grid { margin-top: 22px; }
  .capability-grid article { min-height: 180px; padding: 18px 20px 20px; }
  .capability__visual { width: 52px; height: 52px; margin-bottom: 16px; }
  .capability-grid h3 { font-size: 21px; }
  .capability-grid article > p:last-child { font-size: 13px; line-height: 1.4; }

  .closing__content { padding: 10px 24px; }
  .closing h2 { margin-bottom: 8px; font-size: 42px; }
  .closing__copy { margin-bottom: 10px; font-size: 14px; }
  .closing .button { min-height: 44px; padding-block: 8px; }

  .contact-dialog {
    width: min(680px, calc(100% - 16px));
    max-height: calc(100dvh - 16px);
  }
  .contact-form { min-height: calc(100dvh - 18px); }
  .form-top { padding: 8px 16px 0; }
  .dialog-close { width: 44px; height: 44px; }
  .form-steps { align-items: start; padding: 6px clamp(34px, 8vw, 64px); }
  .form-step.is-active { gap: 4px; }
  .form-step legend,
  .form-success h2 { margin-bottom: 10px; font-size: 36px; }
  .form-step label:not(.form-consent) { margin-top: 2px; }
  .form-step input:not([type="checkbox"]),
  .form-step textarea,
  .form-step select { padding-block: 5px 7px; font-size: 18px; }
  .form-step textarea { min-height: 52px; }
  .step-note,
  .step-error,
  .form-status { margin-top: 3px; }
  .form-actions { min-height: 58px; padding: 7px 16px; }
  .form-next,
  .form-submit { min-height: 44px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; scroll-snap-type: none; }
  *, *::before, *::after { transition-duration: .01ms !important; }
  .data-ledger[data-story-state="0"] .data-ledger__row {
    animation: none;
    opacity: .72;
    transform: translateX(calc(var(--row) * 48px));
  }
  .story-step__content { opacity: 1; transform: none; }
  .js .reveal { opacity: 1; transform: none; }
  .scroll-cue circle { animation: none; opacity: 1; transform: translateY(8px); }
  .capability__pulse { animation: none; opacity: 1; transform: none; }
  .capability__disk-flash { opacity: 0; transition: none; }
  .capability__flow-path { animation: none; opacity: 0; }
  .approach .steps li::after,
  .approach .steps h3,
  .approach .step__index { animation: none; }
  .contact-dialog[open], .form-step.is-active { animation: none; }
  .story-source__card { transition: none; }
}