:root {
  --ink: #121217;
  --ink-soft: #23242b;
  --paper: #f6f3ed;
  --paper-bright: #fffdf8;
  --white: #ffffff;
  --red: #f0442e;
  --red-bright: #ff592c;
  --blue: #2563eb;
  --sky: #0082f3;
  --muted: #5d6c7b;
  --line: rgba(18, 18, 23, .13);
  --line-light: rgba(255, 255, 255, .17);
  --shadow: 0 30px 80px rgba(24, 30, 43, .14);
  --ease: cubic-bezier(.22, 1, .36, 1);
  --header: 92px;
  --gutter: clamp(22px, 5vw, 78px);
  --max: 1440px;
}

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

html {
  scroll-behavior: smooth;
  background: var(--ink);
}

body {
  margin: 0;
  overflow-x: clip;
  color: var(--ink);
  background: var(--paper-bright);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

button,
a {
  font: inherit;
}

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

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

button {
  border: 0;
}

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

h1,
h2,
h3 {
  letter-spacing: -.045em;
  text-wrap: balance;
}

h2 {
  font-size: clamp(42px, 5.2vw, 76px);
  line-height: .99;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 200;
  top: 12px;
  left: 12px;
  padding: 12px 18px;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-150%);
  transition: transform .2s ease;
}

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

.section {
  max-width: var(--max);
  margin-inline: auto;
  padding: clamp(100px, 11vw, 172px) var(--gutter);
}

.section-index {
  margin: 0;
  color: var(--muted);
  font: 500 11px/1.4 ui-monospace, "SFMono-Regular", Consolas, monospace;
  letter-spacing: .12em;
}

.kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 26px;
  color: rgba(255, 255, 255, .68);
  font: 500 11px/1.5 ui-monospace, "SFMono-Regular", Consolas, monospace;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.kicker span {
  width: 42px;
  height: 3px;
  background: linear-gradient(90deg, var(--red) 0 42%, var(--blue) 42% 75%, var(--ink) 75%);
}

.kicker.dark {
  color: var(--muted);
}

.button {
  display: inline-flex;
  min-height: 56px;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 0 24px;
  color: var(--white);
  background: var(--red);
  border: 1px solid var(--red);
  font-size: 13px;
  font-weight: 700;
  transition: color .35s var(--ease), background .35s var(--ease), border-color .35s var(--ease), transform .35s var(--ease);
}

.button span {
  font-size: 17px;
}

.button-small {
  min-height: 44px;
  padding-inline: 19px;
  font-size: 11px;
}

.button-light {
  color: var(--ink);
  background: var(--paper-bright);
  border-color: var(--paper-bright);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding-block: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, .3);
  color: rgba(255, 255, 255, .88);
  font-size: 13px;
  font-weight: 700;
}

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header);
  display: grid;
  grid-template-columns: 260px 1fr auto;
  align-items: center;
  gap: 38px;
  padding: 0 var(--gutter);
  color: var(--ink);
  border-bottom: 1px solid transparent;
  transition: height .4s var(--ease), color .4s var(--ease), background .4s var(--ease), border-color .4s var(--ease), backdrop-filter .4s var(--ease);
}

.site-header.is-scrolled {
  height: 76px;
  background: rgba(255, 253, 248, .88);
  border-color: rgba(18, 18, 23, .09);
  box-shadow: 0 12px 35px rgba(18, 18, 23, .06);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.site-header.on-dark {
  color: var(--white);
  background: rgba(9, 10, 15, .72);
  border-color: rgba(255, 255, 255, .1);
  box-shadow: none;
}

.site-header.on-dark .button {
  color: var(--white);
}

.brand {
  position: relative;
  width: 218px;
  height: 58px;
}

.brand img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: left center;
  transition: opacity .35s ease;
}

.brand-light {
  opacity: 0;
}

.site-header.on-dark .brand-dark {
  opacity: 0;
}

.site-header.on-dark .brand-light {
  opacity: 1;
}

.site-header nav {
  display: flex;
  justify-content: center;
  gap: clamp(24px, 3vw, 46px);
}

.site-header nav a {
  position: relative;
  padding: 14px 0;
  font-size: 11px;
  font-weight: 700;
}

.site-header nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 7px;
  height: 2px;
  background: var(--red);
  transition: right .3s var(--ease);
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(520px, 1.08fr);
  align-items: center;
  gap: clamp(38px, 5vw, 88px);
  overflow: hidden;
  padding: calc(var(--header) + 70px) var(--gutter) 105px;
  color: var(--white);
  background:
    radial-gradient(circle at 82% 16%, rgba(37, 99, 235, .22), transparent 33%),
    radial-gradient(circle at 12% 90%, rgba(240, 68, 46, .12), transparent 34%),
    linear-gradient(118deg, #0a0b10 0%, #121217 56%, #171c27 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(5, 6, 9, .15), transparent 48%, rgba(0, 130, 243, .05));
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: .14;
  background-image:
    linear-gradient(rgba(255, 255, 255, .13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .13) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(90deg, black, transparent 72%);
  mask-image: linear-gradient(90deg, black, transparent 72%);
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 710px;
}

.hero h1 {
  margin-bottom: 30px;
  font-size: clamp(58px, 6vw, 96px);
  line-height: .92;
  font-weight: 700;
}

.hero h1 em {
  color: #75b9ff;
  font-style: normal;
  font-weight: 500;
}

.hero-lede {
  max-width: 650px;
  margin-bottom: 38px;
  color: #aebac8;
  font-size: clamp(16px, 1.28vw, 20px);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 28px;
}

.signal-console {
  position: relative;
  z-index: 2;
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .17);
  background: rgba(4, 7, 13, .76);
  box-shadow: 0 55px 110px rgba(0, 0, 0, .4);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.console-bar {
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  color: #94a3b8;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
  font: 500 9px/1 ui-monospace, "SFMono-Regular", Consolas, monospace;
  letter-spacing: .1em;
}

.console-bar span {
  display: flex;
  align-items: center;
}

.console-bar span i {
  width: 7px;
  height: 7px;
  margin-right: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .28);
}

.console-bar span i:first-child {
  background: var(--red);
}

.console-bar span i:nth-child(2) {
  background: var(--blue);
}

.console-bar span i:nth-child(3) {
  margin-right: 12px;
  background: #5d6570;
}

.console-bar b {
  padding: 7px 9px;
  color: #8bc4ff;
  background: rgba(37, 99, 235, .14);
  border: 1px solid rgba(117, 185, 255, .24);
  font: inherit;
}

.console-field {
  position: relative;
  aspect-ratio: 1.13;
  min-height: 450px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 50%, rgba(0, 130, 243, .12), transparent 33%),
    linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
  background-size: auto, 44px 44px, 44px 44px;
}

.console-field::before,
.console-field::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  border: 1px solid rgba(0, 130, 243, .16);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.console-field::before {
  width: 62%;
  aspect-ratio: 1;
}

.console-field::after {
  width: 84%;
  aspect-ratio: 1;
}

.console-links {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.console-links path {
  fill: none;
  stroke: rgba(111, 182, 255, .33);
  stroke-width: 1.3;
  stroke-dasharray: 5 9;
  animation: dashFlow 10s linear infinite;
}

.console-links path:nth-child(2) {
  stroke: rgba(240, 68, 46, .36);
  animation-duration: 13s;
  animation-direction: reverse;
}

.console-links path:nth-child(3) {
  stroke: rgba(255, 255, 255, .18);
  animation-duration: 17s;
}

.console-core {
  position: absolute;
  z-index: 3;
  left: 50%;
  top: 50%;
  width: clamp(98px, 9vw, 142px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, .1), rgba(4, 8, 15, .78) 68%);
  box-shadow: 0 0 80px rgba(0, 130, 243, .2);
  transform: translate(-50%, -50%);
}

.console-core::before {
  content: "";
  position: absolute;
  inset: -18px;
  border: 1px solid rgba(240, 68, 46, .18);
  border-radius: 50%;
  animation: slowSpin 18s linear infinite;
}

.console-core img {
  width: 58%;
}

.console-core i {
  position: absolute;
  inset: -2px;
  border: 2px solid transparent;
  border-top-color: var(--blue);
  border-right-color: rgba(240, 68, 46, .7);
  border-radius: 50%;
  animation: slowSpin 9s linear infinite;
}

.console-node {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 8px;
  color: #a9b7c6;
  font: 500 9px/1 ui-monospace, "SFMono-Regular", Consolas, monospace;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.console-node i {
  width: 10px;
  height: 10px;
  border: 2px solid #75b9ff;
  border-radius: 50%;
  background: #0b1019;
  box-shadow: 0 0 0 5px rgba(37, 99, 235, .1);
}

.node-crawl { left: 9%; top: 23%; }
.node-local { right: 8%; top: 24%; }
.node-action { right: 6%; bottom: 25%; }
.node-human { left: 9%; bottom: 22%; }
.node-content { right: 40%; bottom: 7%; }
.node-action i,
.node-human i { border-color: var(--red); box-shadow: 0 0 0 5px rgba(240, 68, 46, .1); }

.console-readout {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(255, 255, 255, .12);
}

.console-readout > div {
  min-width: 0;
  padding: 19px 18px 21px;
  border-right: 1px solid rgba(255, 255, 255, .1);
}

.console-readout > div:last-child {
  border-right: 0;
}

.console-readout span,
.console-readout small {
  display: block;
  color: #718095;
  font: 400 8px/1.35 ui-monospace, "SFMono-Regular", Consolas, monospace;
  letter-spacing: .06em;
}

.console-readout b {
  display: block;
  margin: 8px 0 5px;
  color: var(--white);
  font-size: 12px;
}

.hero-foot {
  position: absolute;
  z-index: 2;
  left: var(--gutter);
  right: var(--gutter);
  bottom: 24px;
  display: flex;
  align-items: center;
  gap: 22px;
}

.hero-foot p {
  flex: none;
  margin: 0;
  color: #77879b;
  font: 400 9px/1 ui-monospace, "SFMono-Regular", Consolas, monospace;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.hero-foot p span {
  margin-right: 16px;
  color: var(--red);
}

.hero-foot > i {
  width: 100%;
  height: 1px;
  background: rgba(255, 255, 255, .1);
}

.premise {
  display: grid;
  grid-template-columns: .38fr 1.3fr .9fr;
  gap: clamp(30px, 5vw, 80px);
  align-items: start;
  background: var(--paper-bright);
}

.premise h2 {
  max-width: 760px;
  margin: 0;
}

.premise-detail {
  padding-top: 38px;
}

.premise-detail p {
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.premise-rule {
  grid-column: 2 / -1;
  position: relative;
  height: 12px;
  display: grid;
  grid-template-columns: 8% 12% 10% 1fr;
  gap: 4px;
  margin-top: 38px;
}

.premise-rule i:first-child { background: var(--red); }
.premise-rule i:nth-child(2) { background: var(--blue); }
.premise-rule i:nth-child(3) { background: var(--ink); }
.premise-rule b { background: #e7e2da; }

.signal-section {
  max-width: none;
  padding-inline: max(var(--gutter), calc((100vw - var(--max)) / 2 + var(--gutter)));
  background: var(--paper);
}

.section-heading {
  display: grid;
  grid-template-columns: 1.2fr .65fr;
  align-items: end;
  gap: 70px;
  max-width: calc(var(--max) - var(--gutter) * 2);
  margin: 0 auto 72px;
}

.section-heading h2 {
  margin: 18px 0 0;
}

.section-heading > p {
  max-width: 520px;
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.signal-lanes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  max-width: calc(var(--max) - var(--gutter) * 2);
  margin-inline: auto;
}

.signal-lane {
  position: relative;
  min-height: 430px;
  display: grid;
  grid-template-rows: 112px 1fr auto;
  overflow: hidden;
  background: var(--paper-bright);
  border: 1px solid rgba(18, 18, 23, .11);
  opacity: .35;
  transform: translateY(34px);
  transition: opacity .9s var(--ease), transform .9s var(--ease), box-shadow .45s var(--ease), border-color .45s var(--ease);
}

.signal-lane:nth-child(2),
.signal-lane:nth-child(4) {
  transition-delay: .1s;
}

.signal-lane.is-in-view {
  opacity: 1;
  transform: translateY(0);
}

.lane-cap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 25px 28px 20px;
  border-bottom: 1px solid var(--line);
}

.lane-stripe {
  position: absolute;
  left: 0;
  top: 0;
  width: 126px;
  height: 5px;
  display: grid;
  grid-template-columns: 42% 32% 26%;
}

.lane-stripe i:first-child { background: var(--red); }
.lane-stripe i:nth-child(2) { background: var(--blue); }
.lane-stripe i:nth-child(3) { background: var(--ink); }

.lane-icon {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  color: var(--ink);
  border: 1px solid rgba(37, 99, 235, .17);
  background: linear-gradient(145deg, var(--white), #f3f7ff);
  box-shadow: 0 12px 28px rgba(37, 99, 235, .08);
}

.lane-icon svg {
  width: 39px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.lane-icon .accent {
  stroke: var(--red);
}

.lane-number {
  color: #8b98a7;
  font: 500 11px/1 ui-monospace, "SFMono-Regular", Consolas, monospace;
  letter-spacing: .12em;
}

.lane-body {
  padding: 38px 40px 24px;
}

.lane-body h3 {
  max-width: 420px;
  margin-bottom: 20px;
  font-size: clamp(26px, 2.6vw, 38px);
  line-height: 1.12;
}

.lane-body p {
  max-width: 590px;
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.lane-question {
  margin: 0;
  padding: 23px 40px 25px;
  color: #3f4b59;
  border-top: 1px solid var(--line);
  font: 500 10px/1.6 ui-monospace, "SFMono-Regular", Consolas, monospace;
  letter-spacing: .03em;
}

.route {
  position: relative;
  height: 560vh;
  min-height: 4400px;
  background: #07090d;
}

.route-stage {
  --route-progress: 0;
  position: sticky;
  top: 0;
  height: 100svh;
  min-height: 620px;
  overflow: hidden;
  color: var(--white);
  background: #07090d;
}

.route-stars {
  position: absolute;
  inset: -10%;
  z-index: 0;
  opacity: .48;
  background-image:
    radial-gradient(circle, rgba(255, 255, 255, .66) 0 1px, transparent 1.5px),
    radial-gradient(circle, rgba(117, 185, 255, .55) 0 1px, transparent 1.4px);
  background-position: 0 0, 68px 38px;
  background-size: 132px 132px, 176px 176px;
  transform: scale(calc(1 + var(--route-progress) * .12));
  transform-origin: 55% 45%;
  will-change: transform;
}

.route-stars::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 52% 47%, rgba(37, 99, 235, .16), transparent 27%),
    radial-gradient(circle at 33% 62%, rgba(240, 68, 46, .09), transparent 26%);
}

.route-scene {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0;
  will-change: opacity, transform, filter;
}

.route-scene img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.route-origin img { object-position: 63% center; }
.route-structure img { object-position: 51% center; }
.route-understanding img { object-position: 48% center; }
.route-action img { object-position: 53% center; }

.route-shade {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(4, 6, 9, .88) 0%, rgba(4, 6, 9, .48) 33%, rgba(4, 6, 9, .06) 68%),
    linear-gradient(180deg, rgba(4, 6, 9, .28), transparent 30%, transparent 66%, rgba(4, 6, 9, .6));
}

.route-trails {
  position: absolute;
  z-index: 3;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  pointer-events: none;
  filter: drop-shadow(0 0 12px rgba(0, 130, 243, .2));
}

.trail {
  fill: none;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
}

.trail-red { stroke: url(#route-red); }
.trail-blue { stroke: url(#route-blue); stroke-width: 2.4; }

.route-mark {
  position: absolute;
  z-index: 5;
  left: 55%;
  top: 47%;
  width: clamp(126px, 15vw, 228px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  opacity: 0;
  transform: translate(-50%, -50%) scale(.08);
  transform-origin: center;
  will-change: opacity, transform, filter;
}

.route-mark span {
  position: absolute;
  inset: -35%;
  border: 1px solid rgba(117, 185, 255, .22);
  border-radius: 50%;
  box-shadow:
    0 0 90px rgba(37, 99, 235, .2),
    inset 0 0 60px rgba(240, 68, 46, .06);
}

.route-mark span::before,
.route-mark span::after {
  content: "";
  position: absolute;
  inset: 12%;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 50%;
}

.route-mark span::after {
  inset: 29%;
  border-color: rgba(240, 68, 46, .22);
}

.route-mark img {
  position: relative;
  z-index: 2;
  width: 100%;
  filter: drop-shadow(0 20px 42px rgba(0, 0, 0, .4));
}

.route-intro {
  position: absolute;
  z-index: 6;
  left: 50%;
  top: 50%;
  width: min(720px, 80vw);
  text-align: center;
  transform: translate(-50%, -50%);
  will-change: opacity, transform;
}

.route-intro .route-kicker,
.route-copy > span {
  color: #75b9ff;
  font: 500 10px/1.4 ui-monospace, "SFMono-Regular", Consolas, monospace;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.route-intro h3 {
  margin: 22px 0;
  font-size: clamp(48px, 6vw, 86px);
  line-height: .96;
}

.route-intro > p:last-child {
  max-width: 570px;
  margin: 0 auto;
  color: #94a3b8;
  font-size: 15px;
  line-height: 1.7;
}

.route-copies {
  position: absolute;
  z-index: 6;
  inset: 0;
  pointer-events: none;
}

.route-copy {
  position: absolute;
  left: var(--gutter);
  bottom: clamp(62px, 10vh, 112px);
  width: min(480px, 42vw);
  opacity: 0;
  transform: translateY(28px);
  will-change: opacity, transform;
}

.route-copy > span {
  display: block;
  margin-bottom: 16px;
}

.route-copy h3 {
  margin-bottom: 16px;
  font-size: clamp(38px, 4.2vw, 64px);
  line-height: 1;
}

.route-copy p {
  max-width: 460px;
  margin: 0;
  color: #b1bdc9;
  font-size: 15px;
  line-height: 1.7;
}

.route-meter {
  position: absolute;
  z-index: 8;
  right: 32px;
  top: 50%;
  display: grid;
  grid-template-columns: auto 2px 38px;
  align-items: stretch;
  gap: 16px;
  height: 230px;
  transform: translateY(-50%);
}

.route-meter > span {
  align-self: start;
  color: #9aa7b6;
  font: 500 9px/1 ui-monospace, "SFMono-Regular", Consolas, monospace;
  letter-spacing: .1em;
  writing-mode: vertical-rl;
}

.route-meter > i {
  position: relative;
  display: block;
  width: 2px;
  height: 100%;
  overflow: hidden;
  background: rgba(255, 255, 255, .18);
}

.route-meter b {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 0;
  background: linear-gradient(var(--red), var(--blue));
}

.route-meter em {
  align-self: end;
  color: #9aa7b6;
  font: 400 9px/1 ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-style: normal;
}

.route-skip {
  position: absolute;
  z-index: 8;
  right: 30px;
  bottom: 25px;
  color: #8c99a8;
  font: 500 9px/1 ui-monospace, "SFMono-Regular", Consolas, monospace;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.route-skip span {
  margin-left: 9px;
  color: var(--red);
}

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

.decision-heading {
  display: grid;
  grid-template-columns: 1fr .55fr;
  column-gap: 70px;
  align-items: end;
  margin-bottom: 66px;
}

.decision-heading .section-index {
  grid-column: 1 / -1;
  margin-bottom: 20px;
}

.decision-heading h2 {
  margin: 0;
}

.decision-heading > p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.decision-board {
  color: var(--white);
  background: var(--ink);
  box-shadow: var(--shadow);
}

.decision-board-bar {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  color: #8492a3;
  border-bottom: 1px solid rgba(255, 255, 255, .13);
  font: 500 9px/1 ui-monospace, "SFMono-Regular", Consolas, monospace;
  letter-spacing: .1em;
}

.decision-board-bar span {
  display: flex;
  align-items: center;
}

.decision-board-bar i {
  width: 7px;
  height: 7px;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--red);
}

.decision-board-bar i:nth-child(2) { background: var(--blue); }
.decision-board-bar i:nth-child(3) { margin-right: 12px; background: #68717d; }

.decision-board-bar b {
  padding: 7px 9px;
  color: #f2a493;
  background: rgba(240, 68, 46, .1);
  border: 1px solid rgba(240, 68, 46, .22);
  font: inherit;
}

.decision-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: clamp(35px, 5vw, 68px);
  border-bottom: 1px solid rgba(255, 255, 255, .13);
}

.decision-summary span {
  display: block;
  margin-bottom: 17px;
  color: #75b9ff;
  font: 500 9px/1.4 ui-monospace, "SFMono-Regular", Consolas, monospace;
  letter-spacing: .12em;
}

.decision-summary h3 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(34px, 4.3vw, 62px);
  line-height: 1.02;
}

.decision-summary em {
  padding: 12px 16px;
  color: #ffad9d;
  background: rgba(240, 68, 46, .12);
  border: 1px solid rgba(240, 68, 46, .35);
  font: 500 10px/1 ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-style: normal;
}

.decision-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.decision-grid > div {
  min-height: 200px;
  padding: 30px;
  border-right: 1px solid rgba(255, 255, 255, .13);
}

.decision-grid > div:last-child {
  border-right: 0;
}

.decision-grid span {
  display: block;
  margin-bottom: 22px;
  color: #75b9ff;
  font: 500 9px/1 ui-monospace, "SFMono-Regular", Consolas, monospace;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.decision-grid p {
  margin: 0;
  color: #aebac6;
  font-size: 13px;
  line-height: 1.7;
}

.decision-actions {
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: 28px;
  padding-left: 30px;
  border-top: 1px solid rgba(255, 255, 255, .13);
}

.decision-actions > span {
  display: flex;
  align-items: center;
  gap: 9px;
  color: #8391a0;
  font: 500 8px/1 ui-monospace, "SFMono-Regular", Consolas, monospace;
  letter-spacing: .08em;
}

.decision-actions > span i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
}

.decision-actions > span:nth-child(2) i {
  background: var(--red);
}

.decision-actions button {
  align-self: stretch;
  margin-left: auto;
  padding: 0 30px;
  color: #8391a0;
  background: #1a1c22;
  border-left: 1px solid rgba(255, 255, 255, .13);
  font: 500 8px/1 ui-monospace, "SFMono-Regular", Consolas, monospace;
  letter-spacing: .1em;
}

.disclaimer {
  margin: 18px 0 0;
  color: #8693a0;
  font: 400 9px/1.6 ui-monospace, "SFMono-Regular", Consolas, monospace;
}

.services-section {
  max-width: none;
  padding-inline: max(var(--gutter), calc((100vw - var(--max)) / 2 + var(--gutter)));
  background: var(--paper);
}

.services-heading {
  max-width: calc(var(--max) - var(--gutter) * 2);
}

.service-list {
  max-width: calc(var(--max) - var(--gutter) * 2);
  margin-inline: auto;
  border-top: 1px solid var(--line);
}

.service-list article {
  display: grid;
  grid-template-columns: 80px 1fr 60px;
  align-items: center;
  gap: 24px;
  min-height: 190px;
  border-bottom: 1px solid var(--line);
  transition: padding .4s var(--ease), background .4s var(--ease);
}

.service-list article > span {
  color: var(--red);
  font: 500 10px/1 ui-monospace, "SFMono-Regular", Consolas, monospace;
}

.service-list article > div {
  display: grid;
  grid-template-columns: .8fr 1fr;
  align-items: center;
  gap: 70px;
}

.service-list h3 {
  margin: 0;
  font-size: clamp(28px, 3vw, 44px);
  line-height: 1.08;
}

.service-list p {
  max-width: 590px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.service-list article > i {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  color: var(--blue);
  border: 1px solid rgba(37, 99, 235, .2);
  font-size: 20px;
  font-style: normal;
  transition: color .35s ease, background .35s ease, transform .35s var(--ease);
}

.principles {
  display: grid;
  grid-template-columns: .9fr 1fr;
  gap: clamp(50px, 9vw, 150px);
  padding: clamp(100px, 11vw, 170px) max(var(--gutter), calc((100vw - var(--max)) / 2 + var(--gutter)));
  color: var(--white);
  background:
    radial-gradient(circle at 18% 75%, rgba(37, 99, 235, .16), transparent 29%),
    var(--ink);
}

.principles h2 {
  max-width: 680px;
  margin: 22px 0 0;
  font-size: clamp(42px, 4.8vw, 70px);
}

.principles .section-index {
  color: #7e8b9a;
}

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

.principles li {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 20px;
  padding: 27px 0;
  color: #c2ccd6;
  border-bottom: 1px solid var(--line-light);
  font-size: 15px;
  line-height: 1.5;
}

.principles li span {
  color: #75b9ff;
  font: 500 9px/1.8 ui-monospace, "SFMono-Regular", Consolas, monospace;
}

.audit-section {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) .65fr;
  align-items: end;
  gap: 70px;
  overflow: hidden;
  padding: clamp(110px, 12vw, 180px) max(var(--gutter), calc((100vw - var(--max)) / 2 + var(--gutter)));
  color: var(--white);
  background:
    linear-gradient(116deg, rgba(255, 255, 255, .05), transparent 38%),
    var(--red);
}

.audit-section::after {
  content: "";
  position: absolute;
  right: -10%;
  top: -50%;
  width: 50vw;
  aspect-ratio: 1;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 50%;
  box-shadow: 0 0 0 80px rgba(255, 255, 255, .025), 0 0 0 160px rgba(255, 255, 255, .02);
}

.audit-section > div:not(.audit-mark) {
  position: relative;
  z-index: 2;
}

.audit-section h2 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(48px, 6.1vw, 90px);
}

.audit-section .kicker {
  color: rgba(255, 255, 255, .76);
}

.audit-section .kicker span {
  background: linear-gradient(90deg, var(--white) 0 42%, var(--blue) 42% 75%, var(--ink) 75%);
}

.audit-action {
  padding-bottom: 6px;
}

.audit-action p {
  max-width: 420px;
  margin-bottom: 27px;
  color: rgba(255, 255, 255, .82);
  font-size: 15px;
  line-height: 1.7;
}

.audit-mark {
  position: absolute;
  right: 4%;
  top: 9%;
  width: 150px;
  opacity: .09;
  transform: rotate(12deg) scale(2.1);
}

footer {
  min-height: 250px;
  display: grid;
  grid-template-columns: 280px 1fr auto;
  align-items: center;
  gap: 50px;
  padding: 54px var(--gutter);
  color: #788697;
  background: #090a0e;
}

.footer-brand {
  width: 230px;
}

footer p,
footer span {
  margin: 0;
  font: 400 9px/1.7 ui-monospace, "SFMono-Regular", Consolas, monospace;
  letter-spacing: .05em;
}

footer span {
  color: #5e6a79;
}

@keyframes dashFlow {
  to { stroke-dashoffset: -100; }
}

@keyframes slowSpin {
  to { transform: rotate(360deg); }
}

@media (hover: hover) and (pointer: fine) {
  .button:hover,
  .button:focus-visible {
    color: var(--ink);
    background: var(--white);
    border-color: var(--white);
    transform: translateY(-2px);
  }

  .button-light:hover,
  .button-light:focus-visible {
    color: var(--white);
    background: var(--ink);
    border-color: var(--ink);
  }

  .site-header:not(.on-dark) .button:hover,
  .site-header:not(.on-dark) .button:focus-visible {
    color: var(--white);
    background: var(--ink);
    border-color: var(--ink);
  }

  .site-header nav a:hover::after,
  .site-header nav a:focus-visible::after {
    right: 0;
  }

  .signal-lane:hover {
    border-color: rgba(37, 99, 235, .26);
    box-shadow: 0 24px 70px rgba(35, 45, 67, .09);
  }

  .service-list article:hover {
    padding-inline: 22px;
    background: var(--paper-bright);
  }

  .service-list article:hover > i {
    color: var(--white);
    background: var(--blue);
    transform: rotate(45deg);
  }
}

@media (max-width: 1120px) {
  :root {
    --header: 80px;
  }

  .site-header {
    grid-template-columns: 220px 1fr auto;
    gap: 24px;
  }

  .site-header nav {
    gap: 22px;
  }

  .brand {
    width: 190px;
  }

  .hero {
    grid-template-columns: minmax(0, .9fr) minmax(430px, 1.1fr);
    gap: 35px;
  }

  .hero h1 {
    font-size: clamp(54px, 6.5vw, 76px);
  }

  .console-field {
    min-height: 390px;
  }

  .premise {
    grid-template-columns: .25fr 1fr .7fr;
  }

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

  .decision-grid > div:nth-child(2) {
    border-right: 0;
  }

  .decision-grid > div:nth-child(-n+2) {
    border-bottom: 1px solid rgba(255, 255, 255, .13);
  }

  .service-list article > div {
    gap: 40px;
  }
}

@media (max-width: 900px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-header nav {
    display: none;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: calc(var(--header) + 80px);
    padding-bottom: 120px;
  }

  .hero-copy {
    max-width: 780px;
  }

  .signal-console {
    width: 100%;
  }

  .console-field {
    min-height: 480px;
  }

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

  .premise .section-index,
  .premise-statement,
  .premise-detail {
    grid-column: auto;
  }

  .premise-rule {
    grid-column: auto;
  }

  .premise-detail {
    max-width: 680px;
    padding-top: 0;
  }

  .section-heading,
  .decision-heading,
  .principles,
  .audit-section {
    grid-template-columns: 1fr;
  }

  .section-heading {
    align-items: start;
    gap: 35px;
  }

  .section-heading > p,
  .decision-heading > p:last-child {
    max-width: 680px;
  }

  .decision-heading {
    align-items: start;
    gap: 34px;
  }

  .signal-lanes {
    grid-template-columns: 1fr;
  }

  .route-copy {
    width: min(520px, 64vw);
  }

  .service-list article {
    grid-template-columns: 55px 1fr 54px;
  }

  .service-list article > div {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .principles {
    gap: 60px;
  }

  .audit-section {
    align-items: start;
    gap: 46px;
  }

  footer {
    grid-template-columns: 1fr;
    gap: 25px;
  }
}

@media (max-width: 640px) {
  :root {
    --header: 72px;
    --gutter: 20px;
  }

  .site-header,
  .site-header.is-scrolled {
    height: var(--header);
    padding-inline: 18px;
  }

  .brand {
    width: 164px;
    height: 48px;
  }

  .button-small {
    min-height: 40px;
    padding-inline: 14px;
    font-size: 0;
  }

  .button-small::before {
    content: "Free audit";
    font-size: 10px;
  }

  .section {
    padding-block: 92px;
  }

  .hero {
    padding: calc(var(--header) + 54px) 20px 100px;
  }

  .hero h1 {
    margin-bottom: 24px;
    font-size: clamp(48px, 14vw, 68px);
  }

  .hero-lede {
    font-size: 15px;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .signal-console {
    margin-top: 20px;
  }

  .console-bar {
    padding-inline: 14px;
  }

  .console-bar b {
    display: none;
  }

  .console-field {
    min-height: 350px;
    aspect-ratio: .94;
  }

  .console-node b {
    display: none;
  }

  .node-crawl { left: 12%; }
  .node-local { right: 12%; }
  .node-action { right: 10%; }
  .node-human { left: 10%; }

  .console-readout > div {
    padding: 16px 10px 18px;
  }

  .console-readout small {
    display: none;
  }

  .hero-foot p {
    font-size: 8px;
  }

  .hero-foot p span {
    display: none;
  }

  .premise-rule {
    grid-template-columns: 16% 18% 14% 1fr;
  }

  .section-heading {
    margin-bottom: 45px;
  }

  .signal-lane {
    min-height: 410px;
  }

  .lane-cap {
    padding: 23px 22px 18px;
  }

  .lane-icon {
    width: 58px;
    height: 58px;
  }

  .lane-icon svg {
    width: 35px;
  }

  .lane-body {
    padding: 32px 25px 22px;
  }

  .lane-body h3 {
    font-size: 28px;
  }

  .lane-body p {
    font-size: 14px;
  }

  .lane-question {
    padding: 20px 25px 22px;
  }

  .route {
    height: 500vh;
    min-height: 3300px;
  }

  .route-stage {
    min-height: 560px;
  }

  .route-origin img { object-position: 68% center; }
  .route-structure img { object-position: 55% center; }
  .route-understanding img { object-position: 53% center; }
  .route-action img { object-position: 58% center; }

  .route-shade {
    background:
      linear-gradient(180deg, rgba(4, 6, 9, .27), transparent 32%, rgba(4, 6, 9, .2) 54%, rgba(4, 6, 9, .92) 100%),
      linear-gradient(90deg, rgba(4, 6, 9, .42), transparent);
  }

  .route-mark {
    left: 55%;
    top: 42%;
    width: min(42vw, 170px);
  }

  .route-intro {
    top: 47%;
    width: calc(100vw - 44px);
  }

  .route-intro h3 {
    font-size: clamp(42px, 13vw, 60px);
  }

  .route-intro > p:last-child {
    max-width: 360px;
    font-size: 13px;
  }

  .route-copy {
    left: 22px;
    bottom: 64px;
    width: calc(100vw - 58px);
  }

  .route-copy h3 {
    max-width: 390px;
    font-size: clamp(36px, 10vw, 48px);
  }

  .route-copy p {
    max-width: 390px;
    font-size: 13px;
  }

  .route-meter {
    display: none;
  }

  .route-skip {
    right: 18px;
    bottom: 20px;
    font-size: 8px;
  }

  .decision-summary {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .decision-grid > div,
  .decision-grid > div:nth-child(2) {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, .13);
  }

  .decision-grid > div:last-child {
    border-bottom: 0;
  }

  .decision-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 15px;
    padding: 24px;
  }

  .decision-actions button {
    width: calc(100% + 48px);
    min-height: 58px;
    margin: 7px -24px -24px;
    border-top: 1px solid rgba(255, 255, 255, .13);
    border-left: 0;
  }

  .service-list article {
    grid-template-columns: 42px 1fr;
    gap: 14px;
    padding: 30px 0;
  }

  .service-list article > i {
    display: none;
  }

  .service-list h3 {
    font-size: 28px;
  }

  .principles {
    padding-block: 92px;
  }

  .principles li {
    grid-template-columns: 45px 1fr;
  }

  .audit-section {
    padding-block: 100px;
  }

  .audit-section h2 {
    font-size: clamp(46px, 13vw, 64px);
  }

  .audit-action .button {
    width: 100%;
    text-align: center;
  }

  footer {
    min-height: 300px;
    padding-inline: 20px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .001ms !important;
  }

  .signal-lane {
    opacity: 1;
    transform: none;
  }

  .route {
    height: auto;
    min-height: 0;
  }

  .route-stage {
    position: relative;
    height: 85svh;
    min-height: 680px;
  }

  .route-scene {
    display: none;
  }

  .route-action {
    display: block;
    opacity: 1 !important;
    transform: none !important;
  }

  .route-mark,
  .route-trails,
  .route-stars,
  .route-intro,
  .route-meter {
    display: none;
  }

  .route-copy {
    display: none;
  }

  .route-copy:last-child {
    display: block;
    opacity: 1 !important;
    transform: none !important;
  }
}