@import url("/styles/tokens.css");

@font-face {
  font-family: "Atkinson Hyperlegible Next";
  src: url("/fonts/AtkinsonHyperlegibleNext-variable.woff2") format("woff2");
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("/fonts/IBMPlexMono-variable-latin1.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 700;
  font-display: swap;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ou-color-text);
  background-color: var(--ou-color-canvas);
  background-image:
    linear-gradient(var(--cw-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--cw-grid) 1px, transparent 1px),
    radial-gradient(circle at 17% 12%, rgb(183 85 45 / .08), transparent 30rem);
  background-size: 32px 32px, 32px 32px, auto;
  font-family: var(--ou-font-sans);
  text-rendering: optimizeLegibility;
}

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

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

::selection {
  color: var(--ou-color-text);
  background: var(--ou-color-selection);
}

:focus-visible {
  border-radius: var(--ou-radius-1);
  outline: 0;
  box-shadow: var(--ou-focus-ring);
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 12px 16px;
  color: var(--ou-color-surface);
  background: var(--ou-color-text);
  border-radius: var(--ou-radius-1);
  transform: translateY(-160%);
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.shell {
  width: min(1240px, calc(100% - 48px));
  margin-inline: auto;
}

.mono,
.eyebrow,
.section-label,
.status-chip,
.nav-links,
.button,
.metric,
.terminal-label,
.footer-meta,
.diagram-label,
.route-label {
  font-family: var(--ou-font-mono);
}

.site-header {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  border-bottom: 1px solid var(--ou-color-border);
}

.brand {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 24px;
  font-weight: 760;
  letter-spacing: -.055em;
}

.brand svg {
  width: 35px;
  height: 35px;
}

.brand-wire {
  stroke: var(--cw-wire);
}

.brand-node {
  fill: var(--ou-color-process-600);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.nav-links a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-bottom: 1px solid transparent;
}

.nav-links a:hover {
  color: var(--cw-wire-dark);
  border-color: var(--cw-wire);
}

.hero {
  min-height: 760px;
  padding: 76px 0 0;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(390px, .85fr);
  gap: 56px;
  align-items: center;
}

.eyebrow,
.section-label {
  margin: 0;
  color: var(--ou-color-terminal-700);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: var(--ou-tracking-label);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
}

.eyebrow span + span {
  padding-left: 10px;
  border-left: 1px solid var(--ou-color-border);
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--ou-color-terminal-600);
  border-radius: 50%;
}

.hero h1 {
  max-width: 780px;
  margin: 26px 0 30px;
  font-size: clamp(66px, 6.4vw, 96px);
  font-weight: 680;
  line-height: .83;
  letter-spacing: -.072em;
}

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

.hero-lede {
  max-width: 680px;
  margin: 0;
  color: var(--ou-color-text-muted);
  font-size: clamp(20px, 2vw, 27px);
  line-height: 1.42;
  letter-spacing: -.025em;
}

.hero-actions,
.band-actions {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button {
  min-height: 50px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border: 1px solid var(--ou-color-text);
  border-radius: var(--ou-radius-1);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .08em;
  transition:
    transform var(--ou-duration-base) var(--ou-ease-standard),
    color var(--ou-duration-base),
    background var(--ou-duration-base),
    border-color var(--ou-duration-base);
}

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

.button:active {
  transform: translateY(0);
}

.button-primary {
  color: var(--ou-color-surface);
  background: var(--ou-color-text);
}

.button-primary:hover {
  background: var(--cw-wire-dark);
  border-color: var(--cw-wire-dark);
}

.button-secondary:hover {
  background: var(--ou-color-surface);
}

.signal-board {
  min-height: 510px;
  padding: 24px;
  position: relative;
  overflow: hidden;
  background: var(--ou-color-surface);
  border: 1px solid var(--ou-color-border);
  border-radius: var(--ou-radius-3);
  box-shadow: var(--ou-shadow-2);
}

.signal-board::before {
  content: "live topology / read-only";
  position: absolute;
  top: 22px;
  left: 24px;
  color: var(--ou-color-text-muted);
  font: 10px/1.4 var(--ou-font-mono);
  text-transform: uppercase;
  letter-spacing: .09em;
}

.signal-board svg {
  width: 100%;
  height: 100%;
  min-height: 460px;
}

.signal-path {
  fill: none;
  stroke: var(--cw-wire);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 8 8;
  animation: signal-flow 7s linear infinite;
}

.signal-spine {
  fill: none;
  stroke: var(--ou-color-process-600);
  stroke-width: 4;
  stroke-linecap: round;
}

.signal-node {
  fill: var(--ou-color-surface);
  stroke: var(--ou-color-text);
  stroke-width: 1.5;
}

.signal-node-core {
  fill: var(--ou-color-process-600);
}

.signal-node-live {
  fill: var(--ou-color-terminal-600);
}

.signal-text {
  fill: var(--ou-color-text);
  font: 12px var(--ou-font-mono);
}

.signal-note {
  fill: var(--ou-color-text-muted);
  font: 9px var(--ou-font-mono);
  letter-spacing: .06em;
  text-transform: uppercase;
}

@keyframes signal-flow {
  to {
    stroke-dashoffset: -64;
  }
}

.hero-metrics {
  min-height: 74px;
  margin-top: 68px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--ou-color-text);
  border-bottom: 1px solid var(--ou-color-border);
}

.metric {
  padding: 19px 20px 17px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ou-color-text-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.metric + .metric {
  padding-left: 20px;
  border-left: 1px solid var(--ou-color-border);
}

.metric strong {
  color: var(--ou-color-text);
  font-size: 19px;
  font-weight: 500;
}

.statement {
  padding: var(--ou-space-10) 0;
  display: grid;
  grid-template-columns: .52fr 1.48fr;
  gap: 56px;
  border-bottom: 1px solid var(--ou-color-border);
}

.statement-copy h2,
.section-heading h2,
.quickstart-copy h2,
.project-band h2 {
  margin: 0;
  font-size: var(--ou-text-50);
  font-weight: 650;
  line-height: .98;
  letter-spacing: -.06em;
}

.statement-copy > p {
  max-width: 760px;
  margin: 28px 0 0;
  color: var(--ou-color-text-muted);
  font-size: var(--ou-text-30);
  line-height: 1.55;
}

.statement-proof {
  margin-top: 50px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--ou-color-text);
}

.proof-item {
  min-height: 185px;
  padding: 24px 24px 24px 0;
}

.proof-item + .proof-item {
  padding-left: 24px;
  border-left: 1px solid var(--ou-color-border);
}

.proof-item span {
  color: var(--cw-wire-dark);
  font: 11px var(--ou-font-mono);
}

.proof-item h3 {
  margin: 48px 0 10px;
  font-size: 24px;
  letter-spacing: -.035em;
}

.proof-item p {
  margin: 0;
  color: var(--ou-color-text-muted);
  font-size: 15px;
  line-height: 1.55;
}

.how {
  padding: var(--ou-space-10) 0;
}

.section-heading {
  display: grid;
  grid-template-columns: 1fr .48fr;
  gap: 56px;
  align-items: start;
}

.section-intro {
  max-width: 380px;
  margin: 7px 0 0;
  color: var(--ou-color-text-muted);
  font-size: 17px;
  line-height: 1.55;
}

.route-map {
  margin-top: 72px;
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 74px 1fr 74px 1fr;
  align-items: center;
  gap: 12px;
  background: var(--ou-color-surface);
  border: 1px solid var(--ou-color-border);
  border-radius: var(--ou-radius-3);
  box-shadow: var(--ou-shadow-1);
}

.route-stop {
  min-height: 240px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--ou-color-border);
  border-radius: var(--ou-radius-2);
}

.route-stop-core {
  color: var(--ou-color-surface);
  background: var(--ou-color-process-600);
  border-color: var(--ou-color-process-600);
}

.route-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .09em;
  opacity: .72;
}

.route-stop h3 {
  margin: 0;
  font-size: 31px;
  letter-spacing: -.05em;
}

.route-stop ul {
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--ou-color-text-muted);
  font-size: 14px;
  line-height: 1.7;
}

.route-stop-core ul {
  color: rgb(255 253 248 / .94);
}

.route-stop-core .route-label {
  color: var(--ou-color-surface);
  opacity: .9;
}

.route-wire {
  position: relative;
  height: 2px;
  background: var(--cw-wire);
}

.route-wire::before,
.route-wire::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 9px;
  height: 9px;
  background: var(--ou-color-surface);
  border: 2px solid var(--cw-wire);
  border-radius: 50%;
  transform: translateY(-50%);
}

.route-wire::before {
  left: -2px;
}

.route-wire::after {
  right: -2px;
}

.community-wrap {
  color: var(--ou-color-surface);
  background: var(--ou-color-text);
}

.community {
  padding: var(--ou-space-10) 0;
  display: grid;
  grid-template-columns: .78fr 1.22fr;
  gap: 72px;
  align-items: start;
}

.community .section-label {
  color: var(--ou-color-terminal-300);
}

.community h2 {
  max-width: 570px;
  margin: 18px 0 26px;
  font-size: var(--ou-text-50);
  line-height: .98;
  letter-spacing: -.06em;
}

.community-lede {
  max-width: 610px;
  margin: 0;
  color: rgb(255 253 248 / .7);
  font-size: var(--ou-text-30);
  line-height: 1.55;
}

.community-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgb(255 255 255 / .42);
}

.community-list li {
  min-height: 82px;
  padding: 20px 0;
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 16px;
  align-items: center;
  border-bottom: 1px solid rgb(255 255 255 / .18);
  font-size: 18px;
}

.community-list span {
  color: var(--ou-color-terminal-300);
  font: 11px var(--ou-font-mono);
}

.terms-note {
  margin: 30px 0 0;
  padding: 20px;
  color: var(--ou-color-warning-100);
  background: rgb(154 91 21 / .18);
  border: 1px solid rgb(245 228 201 / .35);
  border-radius: var(--ou-radius-2);
  font-size: 14px;
  line-height: 1.55;
}

.terms-note strong {
  color: var(--ou-color-surface);
}

.quickstart {
  padding: var(--ou-space-10) 0;
  display: grid;
  grid-template-columns: .68fr 1.32fr;
  gap: 72px;
  align-items: start;
}

.quickstart-copy > p:not(.section-label) {
  max-width: 460px;
  margin: 25px 0;
  color: var(--ou-color-text-muted);
  font-size: 18px;
  line-height: 1.55;
}

.text-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 9px;
  color: var(--ou-color-process-700);
  border-bottom: 1px solid currentColor;
  font: 11px var(--ou-font-mono);
  text-transform: uppercase;
  letter-spacing: .08em;
}

.terminal {
  margin: 0;
  overflow: hidden;
  color: var(--ou-color-terminal-300);
  background: var(--ou-color-text);
  border-radius: var(--ou-radius-3);
  box-shadow: var(--ou-shadow-2);
}

.terminal-bar {
  min-height: 46px;
  padding: 0 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgb(255 255 255 / .14);
}

.terminal-dots {
  display: flex;
  gap: 7px;
}

.terminal-dots span {
  width: 9px;
  height: 9px;
  background: var(--ou-color-ink-500);
  border-radius: 50%;
}

.terminal-dots span:nth-child(2) {
  background: var(--ou-color-warning-600);
}

.terminal-dots span:nth-child(3) {
  background: var(--ou-color-terminal-600);
}

.terminal-label {
  color: rgb(255 253 248 / .55);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.terminal pre {
  margin: 0;
  padding: 26px 30px;
  overflow-x: auto;
  border-bottom: 1px solid rgb(255 255 255 / .12);
  font: 13px/1.75 var(--ou-font-mono);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.terminal pre:last-child {
  border-bottom: 0;
}

.terminal .prompt {
  color: var(--cw-wire-soft);
}

.terminal .value {
  color: var(--ou-color-surface);
}

.project-band-wrap {
  background: var(--ou-color-process-100);
  border-top: 1px solid var(--ou-color-border);
  border-bottom: 1px solid var(--ou-color-border);
}

.project-band {
  padding: 76px 0;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 56px;
  align-items: end;
}

.project-band h2 {
  max-width: 660px;
}

.project-band-copy p {
  max-width: 640px;
  margin: 22px 0 0;
  color: var(--ou-color-text-muted);
  font-size: 18px;
  line-height: 1.55;
}

.project-band .button {
  justify-self: end;
}

.origin {
  padding: 76px 0;
  display: grid;
  grid-template-columns: .52fr 1.48fr;
  gap: 56px;
  align-items: start;
  border-bottom: 1px solid var(--ou-color-border);
}

.origin p:not(.section-label) {
  max-width: 720px;
  margin: 0;
  font-size: var(--ou-text-30);
  line-height: 1.5;
}

.origin h2 {
  margin: 0;
  font-size: var(--ou-text-30);
  line-height: 1.2;
  letter-spacing: -.025em;
}

.origin a {
  color: var(--ou-color-process-700);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

footer {
  padding: 58px 0;
  color: var(--ou-color-surface);
  background: var(--ou-color-text);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 56px;
  align-items: end;
}

footer .brand-wire {
  stroke: var(--cw-wire-soft);
}

footer .brand-node {
  fill: var(--ou-color-terminal-300);
}

.footer-copy {
  max-width: 430px;
  margin: 18px 0 0;
  color: rgb(255 253 248 / .58);
  font-size: 14px;
  line-height: 1.55;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 11px;
  font-size: 14px;
}

.footer-links a:hover {
  color: var(--ou-color-terminal-300);
}

.footer-links a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 4px;
}

.footer-links a:hover {
  text-decoration-color: currentColor;
}

.footer-meta {
  margin: 0;
  color: rgb(255 253 248 / .55);
  font-size: 10px;
  line-height: 1.65;
  text-align: right;
  text-transform: uppercase;
  letter-spacing: .08em;
}

@media (max-width: 940px) {
  .hero-grid,
  .statement,
  .community,
  .quickstart,
  .origin {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 58px;
  }

  .signal-board {
    min-height: 440px;
  }

  .project-band .button {
    justify-self: start;
  }

  .route-map {
    padding: 28px;
    grid-template-columns: 1fr;
  }

  .route-stop {
    min-height: 190px;
  }

  .route-wire {
    width: 2px;
    height: 54px;
    margin-inline: auto;
  }

  .route-wire::before,
  .route-wire::after {
    top: auto;
    left: 50%;
    transform: translateX(-50%);
  }

  .route-wire::before {
    top: -2px;
  }

  .route-wire::after {
    right: auto;
    bottom: -2px;
  }

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

  .footer-meta {
    grid-column: 1 / -1;
    text-align: left;
  }
}

@media (max-width: 680px) {
  .shell {
    width: min(100% - 28px, 620px);
  }

  .site-header {
    min-height: 74px;
    padding: 10px 0 0;
    flex-wrap: wrap;
    gap: 0 20px;
  }

  .nav-links {
    width: 100%;
    justify-content: space-between;
    gap: 8px;
    border-top: 1px solid var(--ou-color-border);
    font-size: 9px;
  }

  .hero {
    min-height: auto;
  }

  .hero h1 {
    font-size: clamp(58px, 19vw, 82px);
  }

  .signal-board {
    min-height: 390px;
    padding: 10px;
  }

  .signal-board svg {
    min-height: 365px;
  }

  .hero-metrics,
  .statement-proof {
    grid-template-columns: 1fr;
  }

  .metric,
  .metric + .metric,
  .proof-item,
  .proof-item + .proof-item {
    padding: 18px 0;
    border-left: 0;
    border-bottom: 1px solid var(--ou-color-border);
  }

  .metric:last-child,
  .proof-item:last-child {
    border-bottom: 0;
  }

  .statement,
  .how,
  .community,
  .quickstart {
    padding: 82px 0;
  }

  .section-heading,
  .project-band {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .section-heading .section-intro,
  .project-band .button {
    grid-column: auto;
  }

  .section-heading h2,
  .statement-copy h2,
  .quickstart-copy h2,
  .project-band h2,
  .community h2 {
    font-size: 43px;
  }

  .route-map {
    margin-top: 46px;
    padding: 18px;
  }

  .button {
    width: 100%;
  }

  .project-band .button {
    width: auto;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    align-items: start;
  }
}

@media (forced-colors: active) {
  *,
  *::before,
  *::after {
    box-shadow: none !important;
  }

  .signal-board svg {
    forced-color-adjust: none;
  }

  :focus-visible {
    outline: 3px solid Highlight !important;
    outline-offset: 3px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}