:root {
  --ink: #142832;
  --ink-soft: #334a55;
  --paper: #eef2f0;
  --paper-bright: #f8faf8;
  --white: #ffffff;
  --steel: #9eafb7;
  --steel-light: #d9e1e2;
  --cobalt: #1749d2;
  --cobalt-deep: #1036a4;
  --signal: #ef6433;
  --signal-light: #ffd8c8;
  --mint: #cce9da;
  --rule: rgba(20, 40, 50, 0.2);
  --page-pad: clamp(1.25rem, 4vw, 4.5rem);
  --section-pad: clamp(5rem, 9vw, 9rem);
  --display: "Arial Narrow", "Roboto Condensed", "Helvetica Neue", Arial, sans-serif;
  --body: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --utility: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--body);
  font-size: 1rem;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(20, 40, 50, 0.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 40, 50, 0.026) 1px, transparent 1px);
  background-size: 24px 24px;
}

a {
  color: inherit;
}

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

button {
  font: inherit;
}

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

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

h1,
h2,
h3 {
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

.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: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  color: var(--white);
  background: var(--cobalt);
  font-weight: 700;
  transform: translateY(-160%);
  transition: transform 140ms ease;
}

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

:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 4px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: stretch;
  min-height: 5rem;
  padding: 0 var(--page-pad);
  background: rgba(238, 242, 240, 0.96);
  border-bottom: 1px solid var(--rule);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  grid-template-columns: auto 0.24rem auto;
  align-items: center;
  gap: 0.35rem;
  min-width: 4.3rem;
  color: var(--white);
  background: var(--ink);
  padding: 0.47rem 0.56rem;
  font-family: var(--display);
  font-size: 0.8rem;
  font-stretch: condensed;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.03em;
}

.brand-mark i {
  display: block;
  width: 0.24rem;
  height: 1.25rem;
  background: var(--signal);
  transform: skewX(-14deg);
}

.brand-name {
  font-family: var(--display);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(1rem, 2.5vw, 2.25rem);
  padding-inline: 2rem;
}

.site-nav a,
.footer-links a {
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
}

.site-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 3rem;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0.55rem;
  left: 0;
  height: 2px;
  content: "";
  background: var(--cobalt);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 160ms ease;
}

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

.header-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: center;
  gap: 0.6rem;
  min-height: 2.9rem;
  padding: 0.6rem 1.05rem;
  color: var(--white);
  background: var(--cobalt);
  font-size: 0.8rem;
  font-weight: 800;
  text-decoration: none;
  transition: background-color 150ms ease, transform 150ms ease;
}

.header-action:hover {
  background: var(--cobalt-deep);
  transform: translateY(-1px);
}

.header-action span {
  color: var(--signal-light);
}

.nav-toggle {
  display: none;
  width: 3rem;
  height: 3rem;
  padding: 0.75rem;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--rule);
}

.nav-toggle > span:not(.sr-only) {
  display: block;
  width: 100%;
  height: 2px;
  margin: 0.38rem 0;
  background: currentColor;
  transition: transform 150ms ease;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(22rem, 0.85fr);
  gap: clamp(3rem, 7vw, 8rem);
  align-items: center;
  min-height: calc(100svh - 5rem);
  padding: clamp(4.5rem, 8vw, 8rem) var(--page-pad);
  overflow: hidden;
}

.hero::after {
  position: absolute;
  top: 0;
  right: clamp(1rem, 3.5vw, 4rem);
  width: 1px;
  height: 100%;
  content: "";
  background: var(--rule);
}

.hero-copy {
  max-width: 54rem;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 1.6rem;
  color: var(--cobalt);
  font-family: var(--utility);
  font-size: 0.71rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow > span {
  width: 1.65rem;
  height: 0.42rem;
  background: repeating-linear-gradient(
    90deg,
    var(--signal) 0,
    var(--signal) 0.24rem,
    transparent 0.24rem,
    transparent 0.38rem
  );
}

.eyebrow--light {
  color: var(--signal-light);
}

.hero h1 {
  max-width: 13ch;
  margin-bottom: 1.8rem;
  font-family: var(--display);
  font-size: clamp(4rem, 8.6vw, 9rem);
  font-stretch: condensed;
  font-weight: 900;
  line-height: 0.82;
  letter-spacing: -0.075em;
  text-transform: uppercase;
}

.hero h1 em {
  color: var(--cobalt);
  font-style: normal;
}

.hero-summary {
  max-width: 42rem;
  margin-bottom: 2rem;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.55vw, 1.3rem);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.35rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 3.55rem;
  padding: 0.8rem 1.25rem;
  border: 1px solid transparent;
  font-size: 0.88rem;
  font-weight: 800;
  text-decoration: none;
  transition:
    color 150ms ease,
    background-color 150ms ease,
    border-color 150ms ease,
    transform 150ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button--primary {
  min-width: min(100%, 20rem);
  color: var(--white);
  background: var(--cobalt);
}

.button--primary:hover {
  background: var(--cobalt-deep);
}

.button--primary span {
  color: var(--signal-light);
  font-size: 1.2rem;
}

.button--quiet {
  color: var(--ink);
  background: transparent;
  border-color: var(--steel);
}

.button--quiet:hover {
  background: var(--white);
  border-color: var(--ink);
}

.button--light {
  color: var(--ink);
  background: var(--white);
}

.button--light:hover {
  background: var(--paper);
}

.platform-note {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.platform-note strong {
  color: var(--ink);
}

.material-thread {
  position: relative;
  max-width: 34rem;
  justify-self: end;
  width: 100%;
  color: var(--white);
  background: var(--cobalt);
  box-shadow: 1.15rem 1.15rem 0 var(--signal);
}

.material-thread::before {
  position: absolute;
  top: 4.65rem;
  bottom: 4.8rem;
  left: 3.1rem;
  width: 2px;
  content: "";
  background: rgba(255, 255, 255, 0.32);
}

.thread-heading,
.thread-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.35rem;
  font-family: var(--utility);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.thread-heading {
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

.thread-heading span {
  color: var(--signal-light);
}

.thread-heading strong {
  color: var(--white);
  font-weight: 700;
}

.material-thread ol {
  list-style: none;
  padding: 0;
  margin: 0;
}

.material-thread li {
  position: relative;
  display: grid;
  grid-template-columns: 3.4rem 1fr 1.35fr;
  gap: 0.85rem;
  align-items: center;
  min-height: 4.8rem;
  padding: 0.8rem 1.35rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.material-thread li::before {
  position: absolute;
  left: 2.72rem;
  z-index: 1;
  width: 0.78rem;
  height: 0.78rem;
  content: "";
  background: var(--signal);
  border: 0.2rem solid var(--cobalt);
  border-radius: 50%;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.72);
}

.thread-index {
  color: var(--signal-light);
  font-family: var(--utility);
  font-size: 0.64rem;
}

.thread-name {
  font-family: var(--display);
  font-size: 1.3rem;
  font-weight: 850;
  letter-spacing: -0.025em;
  text-transform: uppercase;
}

.thread-output {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.75rem;
  line-height: 1.35;
}

.thread-footer {
  background: var(--cobalt-deep);
  color: rgba(255, 255, 255, 0.76);
  letter-spacing: 0.04em;
  text-transform: none;
}

.pulse {
  width: 0.65rem;
  height: 0.65rem;
  background: var(--signal);
  border: 2px solid var(--signal-light);
  border-radius: 50%;
}

.proof-strip {
  display: grid;
  grid-template-columns: minmax(14rem, 0.65fr) minmax(0, 1.35fr);
  align-items: stretch;
  background: var(--white);
  border-block: 1px solid var(--rule);
}

.proof-strip > p {
  display: flex;
  align-items: center;
  margin: 0;
  padding: 2rem var(--page-pad);
  color: var(--cobalt);
  font-family: var(--display);
  font-size: clamp(1.25rem, 2vw, 1.8rem);
  font-weight: 850;
  line-height: 1.05;
  letter-spacing: -0.035em;
  text-transform: uppercase;
  border-right: 1px solid var(--rule);
}

.proof-strip ul {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 0;
  margin: 0;
  list-style: none;
}

.proof-strip li {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 8rem;
  padding: 1.4rem clamp(1rem, 2vw, 2rem);
  color: var(--ink-soft);
  font-size: 0.75rem;
  line-height: 1.35;
  border-right: 1px solid var(--rule);
}

.proof-strip li:last-child {
  border-right: 0;
}

.proof-strip strong {
  display: block;
  margin-bottom: 0.1rem;
  color: var(--ink);
  font-family: var(--display);
  font-size: 2.5rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.06em;
}

.section {
  padding: var(--section-pad) var(--page-pad);
}

.section-intro {
  display: grid;
  grid-template-columns: minmax(10rem, 0.55fr) minmax(20rem, 1.25fr) minmax(18rem, 0.7fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
  margin-bottom: clamp(3rem, 6vw, 6rem);
}

.section-intro .eyebrow {
  grid-column: 1;
}

.section-intro h2,
.p2p-heading h2,
.boundary h2,
.support h2 {
  margin-bottom: 0;
  font-family: var(--display);
  font-size: clamp(2.8rem, 5.6vw, 6.2rem);
  font-stretch: condensed;
  font-weight: 900;
  line-height: 0.92;
  letter-spacing: -0.065em;
  text-transform: uppercase;
}

.section-intro h2 {
  grid-column: 2;
}

.section-intro > p:last-child {
  grid-column: 3;
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.section-intro--compact {
  grid-template-columns: minmax(10rem, 0.5fr) minmax(20rem, 1.05fr) minmax(20rem, 0.95fr);
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.capability-card {
  display: flex;
  flex-direction: column;
  min-height: 23rem;
  padding: clamp(1.5rem, 2.5vw, 2.6rem);
  background: rgba(248, 250, 248, 0.68);
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  transition: background-color 160ms ease, transform 160ms ease;
}

.capability-card:hover {
  background: var(--white);
  transform: translateY(-0.25rem);
}

.capability-card--wide {
  grid-column: span 2;
  background:
    linear-gradient(90deg, rgba(23, 73, 210, 0.08), transparent 58%),
    rgba(248, 250, 248, 0.68);
}

.capability-card--dark {
  color: var(--white);
  background: var(--ink);
}

.capability-card--dark:hover {
  background: #1e3945;
}

.capability-code,
.price-label {
  margin-bottom: 2.75rem;
  color: var(--cobalt);
  font-family: var(--utility);
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.capability-card--dark .capability-code {
  color: var(--signal-light);
}

.capability-card h3 {
  max-width: 15ch;
  margin-bottom: 1rem;
  font-family: var(--display);
  font-size: clamp(1.65rem, 2.5vw, 2.45rem);
  font-weight: 850;
  line-height: 1;
  letter-spacing: -0.045em;
  text-transform: uppercase;
}

.capability-card > p:not(.capability-code) {
  max-width: 37rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.capability-card--dark > p:not(.capability-code) {
  color: rgba(255, 255, 255, 0.72);
}

.capability-card ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding: 0;
  margin: auto 0 0;
  list-style: none;
}

.capability-card li {
  padding: 0.35rem 0.55rem;
  color: var(--ink-soft);
  background: var(--white);
  border: 1px solid var(--steel-light);
  font-family: var(--utility);
  font-size: 0.6rem;
}

.capability-card--dark li {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.25);
}

.p2p {
  color: var(--white);
  background: var(--ink);
}

.p2p-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(18rem, 0.65fr);
  gap: clamp(2rem, 8vw, 10rem);
  align-items: end;
  margin-bottom: clamp(3rem, 6vw, 6rem);
}

.p2p-heading h2 {
  max-width: 12ch;
}

.p2p-heading > p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.68);
}

.process-rail {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  padding: 0;
  margin: 0 0 3rem;
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, 0.32);
  border-left: 1px solid rgba(255, 255, 255, 0.32);
}

.process-rail li {
  position: relative;
  min-height: 20rem;
  padding: 1.35rem;
  border-right: 1px solid rgba(255, 255, 255, 0.32);
  border-bottom: 1px solid rgba(255, 255, 255, 0.32);
}

.process-rail li::before {
  position: absolute;
  top: -0.38rem;
  left: 1.35rem;
  width: 0.72rem;
  height: 0.72rem;
  content: "";
  background: var(--signal);
  border: 2px solid var(--ink);
  border-radius: 50%;
  box-shadow: 0 0 0 1px var(--signal-light);
}

.process-number {
  display: block;
  margin-bottom: 4.6rem;
  color: var(--signal-light);
  font-family: var(--utility);
  font-size: 0.65rem;
}

.process-rail h3 {
  margin-bottom: 0.8rem;
  font-family: var(--display);
  font-size: 1.45rem;
  font-weight: 850;
  letter-spacing: -0.035em;
  text-transform: uppercase;
}

.process-rail p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.78rem;
  line-height: 1.5;
}

.process-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100%, 31rem);
  margin-left: auto;
  padding: 1rem 0;
  color: var(--white);
  border-bottom: 2px solid var(--signal);
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 800;
  text-decoration: none;
  text-transform: uppercase;
}

.process-action span {
  color: var(--signal);
}

.implementation {
  background: var(--paper-bright);
}

.implementation-steps {
  max-width: 75rem;
  padding: 0;
  margin: 0 0 0 auto;
  list-style: none;
  border-top: 1px solid var(--ink);
}

.implementation-steps li {
  display: grid;
  grid-template-columns: 6rem 1fr;
  gap: clamp(1.5rem, 5vw, 6rem);
  padding: 2.2rem 0;
  border-bottom: 1px solid var(--rule);
}

.implementation-steps > li > span {
  color: var(--cobalt);
  font-family: var(--utility);
  font-size: 0.68rem;
}

.implementation-steps div {
  display: grid;
  grid-template-columns: minmax(12rem, 0.7fr) minmax(18rem, 1.3fr);
  gap: 2rem;
}

.implementation-steps h3 {
  margin-bottom: 0;
  font-family: var(--display);
  font-size: clamp(1.3rem, 2vw, 2rem);
  font-weight: 850;
  line-height: 1.05;
  letter-spacing: -0.035em;
  text-transform: uppercase;
}

.implementation-steps p {
  margin-bottom: 0;
  color: var(--ink-soft);
}

.boundary {
  display: grid;
  grid-template-columns: minmax(20rem, 0.8fr) minmax(30rem, 1.2fr);
  gap: clamp(3rem, 7vw, 8rem);
  color: var(--ink);
  background: var(--mint);
}

.boundary h2 {
  max-width: 11ch;
  margin-bottom: 1.5rem;
}

.boundary-copy > p:last-child {
  max-width: 37rem;
  margin-bottom: 0;
  color: var(--ink-soft);
}

.boundary-map {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: stretch;
  align-self: center;
  border: 1px solid var(--ink);
  box-shadow: 0.75rem 0.75rem 0 rgba(20, 40, 50, 0.16);
}

.boundary-map article {
  padding: clamp(1.4rem, 3vw, 2.5rem);
  background: rgba(255, 255, 255, 0.38);
}

.boundary-map .boundary-app {
  color: var(--white);
  background: var(--cobalt);
}

.boundary-domain {
  display: block;
  min-height: 2.2rem;
  margin-bottom: 2.8rem;
  font-family: var(--utility);
  font-size: 0.59rem;
  line-height: 1.35;
}

.boundary-map h3 {
  margin-bottom: 1.5rem;
  font-family: var(--display);
  font-size: clamp(2rem, 3vw, 3.1rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.055em;
  text-transform: uppercase;
}

.boundary-map ul {
  padding: 0;
  margin: 0;
  list-style: none;
}

.boundary-map li {
  padding: 0.55rem 0;
  font-size: 0.76rem;
  border-top: 1px solid rgba(20, 40, 50, 0.22);
}

.boundary-app li {
  border-color: rgba(255, 255, 255, 0.28);
}

.boundary-arrow {
  display: flex;
  align-items: center;
  padding: 0.65rem;
  color: var(--white);
  background: var(--signal);
  font-size: 1.15rem;
}

.pricing {
  background: var(--paper);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 78rem;
  margin-left: auto;
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.price-card {
  display: flex;
  flex-direction: column;
  min-height: 31rem;
  padding: clamp(1.8rem, 4vw, 3.6rem);
  background: var(--paper-bright);
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.price-card--accent {
  color: var(--white);
  background: var(--cobalt);
}

.price-card--accent .price-label {
  color: var(--signal-light);
}

.price-value {
  margin-bottom: 1.25rem;
  font-family: var(--display);
  font-size: clamp(2.4rem, 4vw, 4.6rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.06em;
  text-transform: uppercase;
}

.price-card > p:not(.price-label, .price-value) {
  max-width: 32rem;
  color: var(--ink-soft);
}

.price-card--accent > p:not(.price-label, .price-value) {
  color: rgba(255, 255, 255, 0.72);
}

.price-card ul {
  padding: 0;
  margin: 2rem 0 2.75rem;
  list-style: none;
}

.price-card li {
  padding: 0.62rem 0;
  color: var(--ink-soft);
  border-top: 1px solid var(--rule);
  font-size: 0.85rem;
}

.price-card li::before {
  margin-right: 0.6rem;
  color: var(--signal);
  content: "+";
  font-family: var(--utility);
  font-weight: 800;
}

.price-card--accent li {
  color: rgba(255, 255, 255, 0.82);
  border-color: rgba(255, 255, 255, 0.26);
}

.price-card .button {
  margin-top: auto;
}

.support {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(20rem, 0.75fr);
  gap: clamp(3rem, 9vw, 10rem);
  align-items: end;
  color: var(--ink);
  background: var(--signal);
}

.support .eyebrow {
  color: var(--ink);
}

.support .eyebrow > span {
  background: repeating-linear-gradient(
    90deg,
    var(--cobalt) 0,
    var(--cobalt) 0.24rem,
    transparent 0.24rem,
    transparent 0.38rem
  );
}

.support h2 {
  max-width: 12ch;
}

.support-copy p {
  margin-bottom: 2rem;
}

.support-copy a {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  border-block: 1px solid var(--ink);
  font-family: var(--utility);
  font-size: clamp(0.8rem, 1.5vw, 1rem);
  font-weight: 750;
  text-decoration: none;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
  padding: 3.2rem var(--page-pad);
  color: var(--white);
  background: var(--ink);
}

.footer-brand {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.brand-mark--footer {
  color: var(--ink);
  background: var(--white);
}

.footer-brand > div,
.footer-action {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.footer-brand strong {
  font-family: var(--display);
  text-transform: uppercase;
}

.footer-brand div span,
.footer-action > span {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.72rem;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: 0.65rem 2.5rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.72);
}

.footer-links a:hover,
.footer-action a:hover {
  color: var(--signal-light);
}

.footer-action {
  align-items: flex-end;
  text-align: right;
}

.footer-action a {
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 800;
  text-decoration: none;
}

@media (max-width: 1180px) {
  .site-nav {
    gap: 1.15rem;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(20rem, 0.8fr);
    gap: 3rem;
  }

  .proof-strip {
    grid-template-columns: 1fr;
  }

  .proof-strip > p {
    border-right: 0;
    border-bottom: 1px solid var(--rule);
  }

  .section-intro,
  .section-intro--compact {
    grid-template-columns: 0.4fr 1.2fr 0.7fr;
    gap: 2.5rem;
  }

  .process-rail {
    grid-template-columns: repeat(3, 1fr);
  }

  .process-rail li {
    min-height: 15rem;
  }

  .process-number {
    margin-bottom: 2.6rem;
  }

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

  .boundary h2 {
    max-width: 15ch;
  }
}

@media (max-width: 900px) {
  .site-header {
    grid-template-columns: 1fr auto auto;
    gap: 0.65rem;
    min-height: 4.5rem;
  }

  .brand-name {
    display: none;
  }

  .js .nav-toggle {
    display: block;
    grid-column: 2;
    align-self: center;
  }

  .header-action {
    grid-column: 3;
  }

  .site-nav {
    grid-column: 1 / -1;
    justify-content: flex-start;
    gap: 0;
    padding: 0 0 1rem;
    overflow-x: auto;
  }

  .site-nav a {
    flex: 0 0 auto;
    min-height: 2.6rem;
    padding-right: 1.5rem;
  }

  .js .site-nav {
    display: none;
  }

  .js .site-nav[data-open="true"] {
    display: flex;
  }

  .nav-toggle[aria-expanded="true"] > span:nth-child(2) {
    transform: translateY(0.25rem) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] > span:nth-child(3) {
    transform: translateY(-0.25rem) rotate(-45deg);
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 5.5rem;
  }

  .hero::after {
    display: none;
  }

  .hero h1 {
    font-size: clamp(3.8rem, 14vw, 7rem);
  }

  .material-thread {
    justify-self: start;
    max-width: 39rem;
    margin-right: 1.15rem;
  }

  .section-intro,
  .section-intro--compact {
    grid-template-columns: 1fr;
    gap: 1.4rem;
  }

  .section-intro .eyebrow,
  .section-intro h2,
  .section-intro > p:last-child {
    grid-column: 1;
  }

  .section-intro h2 {
    max-width: 13ch;
  }

  .capability-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .capability-card--wide {
    grid-column: span 2;
  }

  .p2p-heading,
  .support {
    grid-template-columns: 1fr;
  }

  .implementation-steps div {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  .pricing-grid {
    margin-left: 0;
  }

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

  .footer-action {
    grid-column: 1 / -1;
    align-items: flex-start;
    padding-top: 1.5rem;
    text-align: left;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
  }
}

@media (max-width: 640px) {
  :root {
    --page-pad: 1rem;
    --section-pad: 4.5rem;
  }

  html {
    scroll-padding-top: 4.5rem;
  }

  .site-header {
    padding-inline: 0.8rem;
  }

  .header-action {
    min-height: 2.7rem;
    padding-inline: 0.8rem;
  }

  .header-action span {
    display: none;
  }

  .hero {
    padding-top: 4.25rem;
  }

  .hero h1 {
    font-size: clamp(3.4rem, 18.3vw, 5.9rem);
    line-height: 0.84;
  }

  .hero-summary {
    font-size: 1rem;
  }

  .hero-actions,
  .hero-actions .button {
    width: 100%;
  }

  .material-thread {
    margin-right: 0.75rem;
    box-shadow: 0.75rem 0.75rem 0 var(--signal);
  }

  .material-thread li {
    grid-template-columns: 2.9rem 1fr;
    min-height: 4.25rem;
  }

  .material-thread li::before {
    left: 2.27rem;
  }

  .material-thread::before {
    left: 2.66rem;
  }

  .thread-output {
    display: none;
  }

  .thread-footer span:first-child {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .proof-strip ul {
    grid-template-columns: repeat(2, 1fr);
  }

  .proof-strip li:nth-child(2) {
    border-right: 0;
  }

  .proof-strip li:nth-child(-n + 2) {
    border-bottom: 1px solid var(--rule);
  }

  .section-intro h2,
  .p2p-heading h2,
  .boundary h2,
  .support h2 {
    font-size: clamp(2.55rem, 13vw, 4.5rem);
  }

  .capability-grid,
  .process-rail,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .capability-card--wide {
    grid-column: span 1;
  }

  .capability-card {
    min-height: 19rem;
  }

  .process-rail li {
    min-height: 12.5rem;
  }

  .process-number {
    margin-bottom: 1.8rem;
  }

  .implementation-steps li {
    grid-template-columns: 2.5rem 1fr;
    gap: 0.75rem;
  }

  .boundary {
    gap: 2.5rem;
  }

  .boundary-map {
    grid-template-columns: 1fr;
  }

  .boundary-arrow {
    justify-content: center;
    transform: rotate(90deg);
  }

  .boundary-domain {
    margin-bottom: 1.5rem;
  }

  .price-card {
    min-height: 28rem;
  }

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

  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-action {
    grid-column: 1;
  }
}

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

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

.subpage-main {
  min-height: 70vh;
}

.subpage-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(18rem, 0.7fr);
  gap: clamp(2rem, 7vw, 8rem);
  padding: clamp(5rem, 10vw, 9rem) var(--page-pad) clamp(4rem, 8vw, 7rem);
  border-bottom: 1px solid var(--rule);
}

.subpage-hero h1 {
  max-width: 12ch;
  margin-bottom: 1.5rem;
  font-family: var(--display);
  font-size: clamp(4rem, 9vw, 9rem);
  font-weight: 900;
  line-height: 0.82;
  letter-spacing: -0.065em;
  text-transform: uppercase;
}

.subpage-hero h1 em {
  color: var(--cobalt);
  font-style: normal;
}

.subpage-lead {
  max-width: 42rem;
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1.15rem, 2vw, 1.7rem);
}

.subpage-fact {
  align-self: end;
  padding: 2rem;
  color: var(--white);
  background: var(--cobalt);
  box-shadow: 0.65rem 0.65rem 0 var(--signal);
}

.subpage-fact span {
  display: block;
  margin-bottom: 1.2rem;
  color: var(--signal-light);
  font-family: var(--utility);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.subpage-fact strong {
  display: block;
  font-family: var(--display);
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 0.95;
  text-transform: uppercase;
}

.subpage-section {
  padding: var(--section-pad) var(--page-pad);
  border-bottom: 1px solid var(--rule);
}

.subpage-section > header {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(18rem, 1.3fr);
  gap: 2rem;
  margin-bottom: 3rem;
}

.subpage-section h2 {
  max-width: 12ch;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.8rem, 6vw, 6.5rem);
  font-weight: 900;
  line-height: 0.88;
  letter-spacing: -0.055em;
  text-transform: uppercase;
}

.subpage-section > header p {
  align-self: end;
  max-width: 45rem;
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.15rem;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.detail-card {
  min-height: 16rem;
  padding: 2rem;
  background: var(--paper-bright);
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.detail-card span {
  display: block;
  color: var(--cobalt);
  font-family: var(--utility);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.detail-card h3 {
  margin: 2.5rem 0 0.8rem;
  font-family: var(--display);
  font-size: 2rem;
  line-height: 1;
  text-transform: uppercase;
}

.detail-card p {
  margin: 0;
  color: var(--ink-soft);
}

.step-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: steps;
  border-top: 1px solid var(--ink);
}

.step-list li {
  display: grid;
  grid-template-columns: 5rem minmax(12rem, 0.6fr) minmax(18rem, 1fr);
  gap: 1.5rem;
  align-items: center;
  min-height: 8rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--rule);
  counter-increment: steps;
}

.step-list li::before {
  color: var(--signal);
  content: "0" counter(steps);
  font-family: var(--utility);
  font-weight: 800;
}

.step-list strong {
  font-family: var(--display);
  font-size: 1.65rem;
  text-transform: uppercase;
}

.step-list p {
  margin: 0;
  color: var(--ink-soft);
}

.subpage-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  padding: clamp(3rem, 6vw, 5rem) var(--page-pad);
  color: var(--white);
  background: var(--ink);
}

.subpage-cta h2 {
  max-width: 13ch;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.5rem, 5vw, 5rem);
  line-height: 0.9;
  text-transform: uppercase;
}

.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

@media (max-width: 840px) {
  .subpage-hero,
  .subpage-section > header {
    grid-template-columns: 1fr;
  }

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

  .step-list li {
    grid-template-columns: 3rem 1fr;
  }

  .step-list p {
    grid-column: 2;
  }
}