:root {
  --night: #080a0d;
  --night-soft: #0e1115;
  --night-raised: #14181d;
  --paper: #f4f5f2;
  --paper-soft: #e9ebe7;
  --ink: #111519;
  --white: #f4f5f2;
  --mist: #a5adb5;
  --mist-dark: #626b73;
  --mint: #9be7c4;
  --blue: #7cc9ff;
  --line: rgba(244, 245, 242, 0.14);
  --line-light: rgba(17, 21, 25, 0.16);
  --display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --brand: 'Syne', 'Arial Black', sans-serif;
  --body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;
  --shell: 1380px;
  --pad: clamp(22px, 4vw, 64px);
  --section-space: clamp(96px, 12vw, 176px);
  --radius: 3px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: clip;
  background: var(--night);
  color: var(--white);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

::selection {
  background: var(--mint);
  color: var(--ink);
}

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

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

button {
  font: inherit;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 4px;
}

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

.shell {
  width: min(100%, var(--shell));
  margin-inline: auto;
  padding-inline: var(--pad);
}

.section {
  position: relative;
  padding-block: var(--section-space);
}

.section-light {
  background: var(--paper);
  color: var(--ink);
}

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

.skip-link {
  position: fixed;
  z-index: 1000;
  left: 24px;
  top: 16px;
  padding: 12px 18px;
  transform: translateY(-140%);
  background: var(--mint);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  transition: transform 180ms ease;
}

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

.mono-label,
.eyebrow,
.section-index,
.card-index,
.research-meta,
.layer-index,
.layer-tag {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.11em;
  line-height: 1.3;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 30px;
  color: var(--mist);
}

.section-light .eyebrow {
  color: var(--mist-dark);
}

.eyebrow-pulse,
.live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 5px rgba(155, 231, 196, 0.1);
}

.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  height: 82px;
  border-bottom: 1px solid transparent;
  transition: background 240ms ease, border-color 240ms ease, height 240ms ease;
}

.site-header.is-scrolled {
  height: 70px;
  border-bottom-color: var(--line);
  background: rgba(8, 10, 13, 0.88);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  color: var(--mint);
}

.brand-mark svg {
  width: 100%;
  height: 100%;
}

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

.brand-copy strong {
  font-family: var(--brand);
  font-size: 17px;
  letter-spacing: 0.1em;
}

.brand-copy span {
  color: var(--mist);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2vw, 34px);
}

.site-nav > a {
  position: relative;
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  color: #b8bec4;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.015em;
  transition: color 180ms ease;
}

.site-nav > a::after {
  position: absolute;
  right: 0;
  bottom: 7px;
  left: 0;
  height: 1px;
  transform: scaleX(0);
  transform-origin: right;
  background: var(--mint);
  content: '';
  transition: transform 180ms ease;
}

.site-nav > a:hover,
.site-nav > a.is-current {
  color: var(--white);
}

.site-nav > a:hover::after,
.site-nav > a.is-current::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-actions {
  margin-left: 8px;
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--white);
  cursor: pointer;
}

.menu-toggle > span:not(.sr-only) {
  display: block;
  width: 20px;
  height: 1px;
  margin: 6px auto;
  background: currentColor;
  transition: transform 180ms ease;
}

.menu-toggle[aria-expanded='true'] > span:nth-child(2) {
  transform: translateY(3.5px) rotate(45deg);
}

.menu-toggle[aria-expanded='true'] > span:nth-child(3) {
  transform: translateY(-3.5px) rotate(-45deg);
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 0 21px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 12px;
  font-weight: 600;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease, border-color 180ms ease;
}

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

.button-primary {
  border-color: var(--mint);
  background: var(--mint);
  color: var(--ink);
}

.button-primary:hover {
  border-color: #baf3d7;
  background: #baf3d7;
}

.button-ghost {
  background: rgba(255, 255, 255, 0.02);
  color: var(--white);
}

.button-ghost:hover {
  border-color: rgba(244, 245, 242, 0.35);
  background: rgba(255, 255, 255, 0.06);
}

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

.button-dark:hover {
  background: #2a3036;
}

.button-small {
  min-height: 42px;
  gap: 16px;
  padding-inline: 16px;
  font-size: 11px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding-bottom: 6px;
  border-bottom: 1px solid currentColor;
  font-size: 12px;
  font-weight: 600;
}

.hero {
  min-height: 900px;
  padding-top: 150px;
  padding-bottom: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 34%, rgba(124, 201, 255, 0.09), transparent 28%),
    radial-gradient(circle at 62% 54%, rgba(155, 231, 196, 0.05), transparent 28%),
    var(--night);
}

.hero::before {
  position: absolute;
  inset: 0;
  opacity: 0.15;
  background-image: linear-gradient(rgba(244, 245, 242, 0.09) 1px, transparent 1px), linear-gradient(90deg, rgba(244, 245, 242, 0.09) 1px, transparent 1px);
  background-size: 72px 72px;
  content: '';
  -webkit-mask-image: linear-gradient(to bottom, black, transparent 88%);
  mask-image: linear-gradient(to bottom, black, transparent 88%);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 670px;
  grid-template-columns: minmax(0, 0.95fr) minmax(500px, 1.05fr);
  gap: clamp(40px, 6vw, 90px);
  align-items: center;
}

.hero-copy {
  padding-block: 36px;
  animation: rise-in 900ms cubic-bezier(0.19, 1, 0.22, 1) both;
}

.hero h1 {
  max-width: 820px;
  margin-bottom: 30px;
  font-family: var(--display);
  font-size: clamp(56px, 6.6vw, 100px);
  font-weight: 700;
  letter-spacing: -0.055em;
  line-height: 0.94;
}

.hero h1 em {
  color: #9aa2a8;
  font-style: normal;
  font-weight: 600;
}

.hero-lede {
  max-width: 600px;
  margin-bottom: 38px;
  color: #c3c8cc;
  font-size: clamp(17px, 1.35vw, 20px);
  line-height: 1.62;
}

.hero-footnote {
  display: grid;
  max-width: 500px;
  grid-template-columns: 92px 1fr;
  gap: 20px;
  margin-top: 62px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--mist);
  font-size: 12px;
}

.hero-footnote .mono-label {
  color: var(--mint);
}

.pulse-panel {
  position: relative;
  overflow: hidden;
  min-height: 620px;
  border: 1px solid rgba(244, 245, 242, 0.16);
  background: rgba(12, 15, 18, 0.72);
  box-shadow: 0 44px 110px rgba(0, 0, 0, 0.32);
  animation: rise-in 1100ms 120ms cubic-bezier(0.19, 1, 0.22, 1) both;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.pulse-panel::after {
  position: absolute;
  inset: 0;
  border: 1px solid transparent;
  background: linear-gradient(135deg, rgba(155, 231, 196, 0.12), transparent 32%, transparent 72%, rgba(124, 201, 255, 0.1)) border-box;
  content: '';
  pointer-events: none;
}

.pulse-panel-top {
  display: flex;
  min-height: 112px;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 26px;
  border-bottom: 1px solid var(--line);
}

.pulse-panel-top .mono-label {
  margin-bottom: 8px;
  color: var(--mist);
}

.pulse-panel-top h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(20px, 2vw, 28px);
  font-weight: 600;
  letter-spacing: -0.035em;
}

.status-chip {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border: 1px solid rgba(155, 231, 196, 0.3);
  background: rgba(155, 231, 196, 0.06);
  color: var(--mint);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  line-height: 1.2;
  text-transform: uppercase;
  white-space: nowrap;
}

.status-chip i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 9px currentColor;
}

.status-chip-dark {
  border-color: rgba(17, 21, 25, 0.18);
  background: rgba(17, 21, 25, 0.05);
  color: var(--ink);
}

.network-visual {
  position: relative;
  min-height: 438px;
}

.network-visual svg {
  position: absolute;
  width: 100%;
  height: 100%;
}

.network-visual svg circle {
  transform-box: fill-box;
  transform-origin: center;
  animation: node-breathe 4s ease-in-out infinite alternate;
}

.network-visual svg circle:nth-of-type(2n) {
  animation-delay: -1.7s;
}

.network-visual svg path[stroke^='url'] {
  stroke-dasharray: 8 8;
  animation: dash-flow 16s linear infinite;
}

.network-center {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  width: 126px;
  height: 126px;
  transform: translate(-50%, -50%);
  place-items: center;
  border: 1px solid rgba(244, 245, 242, 0.28);
  border-radius: 50%;
  background: rgba(8, 10, 13, 0.9);
  box-shadow: 0 0 70px rgba(155, 231, 196, 0.12);
  color: var(--white);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  line-height: 1.7;
  text-align: center;
}

.network-center-ring {
  position: absolute;
  inset: 12px;
  border: 1px dashed rgba(124, 201, 255, 0.32);
  border-radius: 50%;
  animation: slow-spin 22s linear infinite;
}

.pulse-events {
  display: grid;
  min-height: 68px;
  grid-template-columns: 110px 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 14px 26px;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.018);
}

.pulse-events .mono-label {
  color: var(--mist);
}

.pulse-event {
  overflow: hidden;
  font-family: var(--mono);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pulse-event.is-changing {
  animation: event-change 400ms ease;
}

.pulse-arrow {
  color: var(--mint);
}

.hero-bottomline {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 82px;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin-top: 70px;
  border-top: 1px solid var(--line);
  color: #aab0b6;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.09em;
}

.hero-bottomline .mono-label {
  color: var(--white);
}

.thesis {
  padding-block: clamp(112px, 15vw, 220px);
}

.thesis-grid {
  display: grid;
  grid-template-columns: minmax(120px, 0.28fr) 1fr;
  gap: clamp(40px, 7vw, 120px);
}

.section-index {
  color: var(--mist-dark);
}

.display-statement {
  margin-bottom: 78px;
  font-family: var(--display);
  font-size: clamp(46px, 7.4vw, 112px);
  font-weight: 700;
  letter-spacing: -0.052em;
  line-height: 0.98;
}

.display-statement span,
.section-heading h2 span,
.scale-copy h2 span,
.stack-intro h2 span,
.foundation h2 span {
  color: var(--mist-dark);
}

.thesis-detail {
  display: grid;
  grid-template-columns: minmax(260px, 500px) auto;
  justify-content: space-between;
  gap: 50px;
  padding-top: 24px;
  border-top: 1px solid var(--line-light);
}

.thesis-detail p {
  margin: 0;
  color: #3f474e;
  font-size: 18px;
  line-height: 1.7;
}

.section-heading {
  margin-bottom: clamp(56px, 8vw, 100px);
}

.section-heading h2,
.scale-copy h2,
.stack-intro h2,
.foundation h2 {
  margin-bottom: 0;
  font-family: var(--display);
  font-size: clamp(48px, 6.1vw, 92px);
  font-weight: 700;
  letter-spacing: -0.048em;
  line-height: 1;
}

.split-heading {
  display: grid;
  grid-template-columns: 1.2fr minmax(280px, 0.52fr);
  gap: 70px;
  align-items: end;
}

.split-heading > p {
  max-width: 440px;
  margin: 0 0 4px;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.7;
}

.section-light .split-heading > p,
.section-light .section-intro {
  color: #505960;
}

.convergence {
  overflow: hidden;
}

.convergence::before {
  position: absolute;
  inset: auto 8% 13%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(155, 231, 196, 0.3), rgba(124, 201, 255, 0.3), transparent);
  content: '';
}

.convergence-grid {
  display: grid;
  grid-template-columns: 1fr 210px 1fr;
  align-items: stretch;
}

.capability-panel {
  min-height: 580px;
  padding: clamp(26px, 4vw, 54px);
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.008));
}

.capability-ai {
  box-shadow: inset 0 1px 0 rgba(124, 201, 255, 0.18);
}

.capability-web3 {
  box-shadow: inset 0 1px 0 rgba(155, 231, 196, 0.18);
}

.panel-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--mist);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.panel-dot {
  width: 7px;
  height: 7px;
  border: 1px solid currentColor;
  border-radius: 50%;
}

.capability-ai .panel-dot {
  color: var(--blue);
}

.capability-web3 .panel-dot {
  color: var(--mint);
}

.capability-panel h3 {
  margin: 50px 0 80px;
  font-family: var(--display);
  font-size: clamp(30px, 3.4vw, 50px);
  font-weight: 600;
  letter-spacing: -0.035em;
}

.capability-panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.capability-panel li {
  display: grid;
  grid-template-columns: 54px 1fr;
  align-items: center;
  padding: 13px 0;
  border-top: 1px solid var(--line);
  font-family: var(--display);
  font-size: 19px;
}

.capability-panel li span {
  color: var(--mist);
  font-family: var(--mono);
  font-size: 9px;
}

.convergence-center {
  position: relative;
  display: flex;
  min-height: 580px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-block: 1px solid var(--line);
  color: var(--mist);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  line-height: 1.6;
  text-align: center;
  text-transform: uppercase;
}

.plus-mark {
  display: grid;
  width: 52px;
  height: 52px;
  margin-bottom: 32px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--white);
  font-size: 22px;
}

.convergence-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  z-index: -1;
  background: var(--line);
}

.section-intro {
  max-width: 600px;
  margin: 34px 0 0 auto;
  color: var(--mist);
  font-size: 17px;
  line-height: 1.7;
}

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  border-top: 1px solid var(--line-light);
  border-left: 1px solid var(--line-light);
}

.use-card {
  position: relative;
  display: flex;
  min-height: 430px;
  grid-column: span 4;
  flex-direction: column;
  padding: clamp(25px, 3.2vw, 42px);
  border-right: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
  background: var(--paper);
  transition: background 220ms ease, color 220ms ease;
}

.use-card:first-child {
  grid-column: span 6;
}

.use-card:nth-child(2),
.use-card:nth-child(3) {
  grid-column: span 3;
}

.use-card:hover:not(.featured) {
  background: #e9ece7;
}

.use-card.featured {
  overflow: hidden;
  background:
    radial-gradient(circle at 90% 10%, rgba(155, 231, 196, 0.13), transparent 34%),
    var(--night-soft);
  color: var(--white);
}

.use-card.featured::after {
  position: absolute;
  right: -86px;
  bottom: -112px;
  width: 300px;
  height: 300px;
  border: 1px solid rgba(155, 231, 196, 0.2);
  border-radius: 50%;
  box-shadow: inset 0 0 0 32px rgba(155, 231, 196, 0.015), inset 0 0 0 65px rgba(124, 201, 255, 0.02);
  content: '';
}

.use-card-top {
  display: flex;
  min-height: 32px;
  align-items: flex-start;
  justify-content: space-between;
  color: var(--mist-dark);
}

.featured .use-card-top {
  color: var(--mist);
}

.card-symbol {
  font-family: var(--mono);
  font-size: 18px;
}

.use-card h3 {
  margin: 58px 0 24px;
  font-family: var(--display);
  font-size: clamp(28px, 2.8vw, 42px);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.use-card p {
  max-width: 420px;
  margin-bottom: 28px;
  color: #535c63;
  font-size: 15px;
  line-height: 1.7;
}

.featured p {
  color: #aeb5ba;
}

.use-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 30px;
}

.use-card-meta span {
  padding: 6px 8px;
  border: 1px solid var(--line-light);
  color: var(--mist-dark);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.featured .use-card-meta span {
  border-color: var(--line);
  color: var(--mist);
}

.use-card > a {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 44px;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line-light);
  font-size: 11px;
  font-weight: 600;
}

.featured > a {
  border-color: var(--line);
}

.section-outro {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 38px;
}

.section-outro .mono-label {
  color: var(--mist-dark);
}

.workloads {
  background:
    linear-gradient(90deg, transparent 49.94%, rgba(255, 255, 255, 0.04) 50%, transparent 50.06%),
    var(--night);
}

.workload-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.workload-card {
  min-height: 430px;
  padding: clamp(24px, 2.7vw, 38px);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.workload-number {
  color: var(--mint);
  font-family: var(--mono);
  font-size: 10px;
}

.workload-card h3 {
  margin: 78px 0 22px;
  font-family: var(--display);
  font-size: clamp(28px, 2.6vw, 40px);
  font-weight: 600;
  letter-spacing: -0.035em;
}

.workload-card p {
  min-height: 112px;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.7;
}

.loop-line,
.step-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 5px;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.loop-line span,
.step-line span,
.context-stack span,
.agent-branches span {
  padding: 7px 8px;
  border: 1px solid var(--line);
}

.loop-line i {
  color: var(--mint);
  font-style: normal;
}

.context-stack {
  display: grid;
  gap: 5px;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.04em;
  text-align: center;
  text-transform: uppercase;
}

.context-stack span:nth-child(2) {
  margin-inline: 12px;
}

.context-stack span:nth-child(3) {
  margin-inline: 24px;
}

.step-line span {
  position: relative;
  flex: 1 1 42%;
  text-align: center;
}

.agent-branches {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
  font-family: var(--mono);
  font-size: 7px;
  letter-spacing: 0.03em;
  text-align: center;
  text-transform: uppercase;
}

.agent-branches span:first-child {
  grid-column: 1 / -1;
  margin-inline: 25%;
  border-color: rgba(155, 231, 196, 0.35);
  color: var(--mint);
}

.scale-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.72fr) minmax(520px, 1.15fr);
  gap: clamp(60px, 9vw, 140px);
  align-items: center;
}

.scale-copy h2 {
  margin-bottom: 40px;
}

.scale-copy > p:not(.eyebrow):not(.disclaimer) {
  max-width: 500px;
  color: #4c555c;
  font-size: 17px;
  line-height: 1.72;
}

.formula {
  display: grid;
  gap: 12px;
  margin: 50px 0 32px;
  padding: 20px 0;
  border-block: 1px solid var(--line-light);
}

.formula span {
  color: var(--mist-dark);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.formula strong {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
}

.disclaimer {
  max-width: 520px;
  color: var(--mist-dark);
  font-size: 11px;
  line-height: 1.7;
}

.disclaimer .mono-label {
  display: block;
  margin-bottom: 6px;
  color: var(--ink);
}

.scale-card {
  padding: clamp(28px, 4vw, 54px);
  background: var(--night);
  color: var(--white);
  box-shadow: 0 34px 90px rgba(17, 21, 25, 0.18);
}

.scale-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
}

.scale-card-head .mono-label {
  color: var(--mist);
}

.scale-card-head h3 {
  margin: 14px 0 0;
  font-family: var(--display);
  font-size: clamp(40px, 5vw, 72px);
  font-weight: 500;
  letter-spacing: -0.06em;
  line-height: 1;
}

.scale-card-head h3 small {
  color: var(--mist);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 0;
}

.scale-card .status-chip-dark {
  border-color: rgba(155, 231, 196, 0.25);
  background: rgba(155, 231, 196, 0.06);
  color: var(--mint);
}

.scale-bars {
  display: grid;
  gap: 34px;
  padding-block: 52px;
}

.scale-bar-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  color: var(--mist);
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
}

.scale-bar-label span:last-child {
  color: var(--white);
}

.scale-bar-track {
  height: 5px;
  background: rgba(244, 245, 242, 0.08);
}

.scale-bar-track span {
  display: block;
  width: var(--bar-width);
  height: 100%;
  transform-origin: left;
  background: linear-gradient(90deg, var(--blue), var(--mint));
  box-shadow: 0 0 20px rgba(155, 231, 196, 0.15);
  animation: bar-grow 1.2s cubic-bezier(0.19, 1, 0.22, 1) both;
}

.scale-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.scale-controls > .mono-label {
  color: var(--mist);
}

.scale-buttons {
  display: flex;
  gap: 6px;
}

.scale-button {
  min-width: 52px;
  min-height: 44px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--mist);
  font-family: var(--mono);
  font-size: 10px;
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.scale-button:hover,
.scale-button.is-active {
  border-color: var(--mint);
  background: var(--mint);
  color: var(--ink);
}

.scale-live {
  display: flex;
  min-height: 48px;
  align-items: center;
  gap: 8px;
  margin: 28px 0 0;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--mist);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.scale-live strong {
  color: var(--white);
  font-weight: 500;
}

.runtime {
  background:
    radial-gradient(circle at 50% 57%, rgba(155, 231, 196, 0.055), transparent 30%),
    var(--night);
}

.runtime-diagram {
  border: 1px solid var(--line);
}

.runtime-row {
  display: grid;
  min-height: 112px;
  grid-template-columns: 210px 1fr;
}

.runtime-label {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 24px;
  border-right: 1px solid var(--line);
  color: var(--mist);
  font-size: 12px;
}

.runtime-label .mono-label {
  color: var(--mint);
}

.runtime-nodes {
  display: grid;
  grid-auto-rows: 1fr;
  grid-template-columns: repeat(4, 1fr);
}

.runtime-nodes > span {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: center;
  padding: 22px;
  border-right: 1px solid var(--line);
  color: #d8dcdf;
  font-family: var(--display);
  font-size: clamp(15px, 1.3vw, 18px);
  text-align: center;
}

.runtime-nodes > span:last-child {
  border-right: 0;
}

.agent-nodes {
  grid-template-columns: repeat(5, 1fr);
}

.runtime-connector {
  position: relative;
  display: grid;
  height: 54px;
  grid-template-columns: repeat(3, 1fr);
  margin-left: 210px;
  border-block: 1px solid var(--line);
}

.runtime-connector::before {
  position: absolute;
  top: 50%;
  right: 16.66%;
  left: 16.66%;
  height: 1px;
  background: var(--line);
  content: '';
}

.runtime-connector i {
  position: relative;
  display: block;
  width: 1px;
  height: 100%;
  margin: auto;
  background: var(--line);
}

.runtime-connector i::after {
  position: absolute;
  bottom: 0;
  left: -2px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mint);
  content: '';
  box-shadow: 0 0 10px rgba(155, 231, 196, 0.7);
}

.runtime-core {
  min-height: 150px;
}

.runtime-core-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 28px 36px;
  background: linear-gradient(100deg, rgba(155, 231, 196, 0.1), rgba(124, 201, 255, 0.04));
}

.runtime-core-card > div {
  display: grid;
  grid-template-columns: 54px auto;
  align-items: center;
  gap: 6px 20px;
}

.core-mark {
  display: grid;
  width: 54px;
  height: 54px;
  grid-row: span 2;
  place-items: center;
  border: 1px solid rgba(155, 231, 196, 0.35);
  color: var(--mint);
  font-family: var(--display);
  font-size: 14px;
  letter-spacing: 0.08em;
}

.runtime-core-card strong {
  font-family: var(--display);
  font-size: clamp(22px, 2.2vw, 34px);
  font-weight: 600;
  letter-spacing: -0.025em;
}

.runtime-core-card small,
.runtime-services small {
  color: var(--mist);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.runtime-services .runtime-nodes {
  grid-template-columns: repeat(3, 1fr);
}

.runtime-services .runtime-nodes > span {
  display: grid;
  gap: 8px;
}

.runtime-services b {
  font-weight: 500;
}

.runtime-note {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 0;
  margin-top: 22px;
  border: 1px solid rgba(155, 231, 196, 0.22);
  background: rgba(155, 231, 196, 0.035);
}

.runtime-note .mono-label {
  padding: 24px;
  border-right: 1px solid rgba(155, 231, 196, 0.22);
  color: var(--mint);
}

.runtime-note p {
  margin: 0;
  padding: 22px 28px;
  color: #c1c7cb;
  font-size: 13px;
  line-height: 1.7;
}

.stack-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.62fr) minmax(540px, 1fr);
  gap: clamp(70px, 10vw, 160px);
}

.stack-intro {
  position: sticky;
  top: 122px;
  align-self: start;
}

.stack-intro h2 {
  margin-bottom: 40px;
}

.stack-intro p:not(.eyebrow) {
  max-width: 460px;
  margin-bottom: 38px;
  color: #505960;
  font-size: 17px;
  line-height: 1.72;
}

.stack-layers {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stack-layer {
  display: grid;
  min-height: 94px;
  grid-template-columns: 48px 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 18px 24px;
  border: 1px solid var(--line-light);
  background: rgba(255, 255, 255, 0.32);
  transition: transform 200ms ease, border-color 200ms ease, background 200ms ease;
}

.stack-layer:hover {
  transform: translateX(-6px);
  border-color: rgba(17, 21, 25, 0.35);
  background: rgba(255, 255, 255, 0.68);
}

.stack-layer.layer-agents {
  background: var(--ink);
  color: var(--white);
}

.stack-layer.layer-infra {
  border-color: rgba(17, 21, 25, 0.3);
}

.layer-index {
  color: var(--mist-dark);
}

.layer-agents .layer-index {
  color: var(--mint);
}

.stack-layer > div {
  display: grid;
  gap: 6px;
}

.stack-layer strong {
  font-family: var(--display);
  font-size: clamp(19px, 1.8vw, 26px);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.stack-layer small {
  color: var(--mist-dark);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.layer-agents small {
  color: var(--mist);
}

.layer-tag {
  color: var(--mist-dark);
}

.layer-agents .layer-tag {
  color: var(--mint);
}

.research {
  background: var(--night-soft);
}

.research-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.research-card {
  display: flex;
  min-height: 450px;
  flex-direction: column;
  padding: clamp(25px, 3.2vw, 42px);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background 200ms ease;
}

.research-card:hover {
  background: rgba(255, 255, 255, 0.03);
}

.research-lead {
  background: linear-gradient(145deg, rgba(124, 201, 255, 0.07), rgba(155, 231, 196, 0.025));
}

.research-meta {
  display: flex;
  justify-content: space-between;
  color: var(--mist);
}

.research-card h3 {
  margin: 88px 0 24px;
  font-family: var(--display);
  font-size: clamp(28px, 3vw, 45px);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.03;
}

.research-card p {
  color: var(--mist);
  font-size: 15px;
  line-height: 1.7;
}

.research-card > a {
  display: flex;
  min-height: 44px;
  align-items: flex-end;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 11px;
  font-weight: 600;
}

.research-list {
  margin-top: 34px;
  border-top: 1px solid var(--line);
}

.research-list a {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  border-bottom: 1px solid var(--line);
  color: #d7dbde;
  font-family: var(--display);
  font-size: clamp(17px, 1.7vw, 22px);
  transition: color 180ms ease, padding 180ms ease;
}

.research-list a:hover {
  padding-inline: 10px;
  color: var(--mint);
}

.research-list a span:last-child {
  color: var(--mist);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.research-list b {
  margin-left: 20px;
  color: var(--white);
}

.foundation {
  padding-block: clamp(100px, 13vw, 190px);
}

.foundation-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(70px, 10vw, 150px);
  align-items: center;
}

.foundation h2 {
  margin-bottom: 38px;
}

.foundation-grid > div:first-child > p:not(.eyebrow) {
  max-width: 590px;
  margin-bottom: 36px;
  color: #4f575d;
  font-size: 18px;
  line-height: 1.72;
}

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

.manifesto-head {
  display: flex;
  min-height: 74px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--line-light);
  color: var(--mist-dark);
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
}

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

.manifesto li {
  display: grid;
  grid-template-columns: 48px 1fr;
  align-items: center;
  gap: 12px;
  min-height: 64px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--line-light);
  font-family: var(--display);
  font-size: clamp(15px, 1.4vw, 19px);
}

.manifesto li:last-child {
  border-bottom: 0;
}

.manifesto li span {
  color: var(--mist-dark);
  font-family: var(--mono);
  font-size: 9px;
}

.site-footer {
  padding-top: 82px;
  background: #050608;
}

.footer-top {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(60px, 10vw, 150px);
  padding-bottom: 80px;
}

.footer-brand > p {
  max-width: 430px;
  margin: 42px 0 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.75;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}

.footer-nav > div {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer-nav .mono-label {
  margin-bottom: 24px;
  color: var(--mist);
}

.footer-nav a,
.footer-status {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  color: #c7ccd0;
  font-size: 12px;
}

.footer-nav a:hover {
  color: var(--mint);
}

.footer-status {
  gap: 8px;
  color: var(--mist);
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
}

.footer-status i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mint);
}

.footer-bottom {
  display: grid;
  min-height: 76px;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 50px;
  border-top: 1px solid var(--line);
  color: #717a82;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.footer-bottom a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--white);
}

@keyframes rise-in {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes node-breathe {
  from { transform: scale(0.88); opacity: 0.62; }
  to { transform: scale(1.15); opacity: 1; }
}

@keyframes slow-spin {
  to { transform: rotate(360deg); }
}

@keyframes dash-flow {
  to { stroke-dashoffset: -160; }
}

@keyframes event-change {
  0% { opacity: 0; transform: translateY(7px); }
  100% { opacity: 1; transform: translateY(0); }
}

@keyframes bar-grow {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

@media (max-width: 1180px) {
  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    inset: 70px 0 0;
    display: flex;
    visibility: hidden;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 28px var(--pad) 50px;
    transform: translateY(-12px);
    opacity: 0;
    background: rgba(8, 10, 13, 0.98);
    pointer-events: none;
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms;
  }

  body.menu-open .site-nav {
    visibility: visible;
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav > a {
    min-height: 62px;
    border-bottom: 1px solid var(--line);
    font-family: var(--display);
    font-size: 22px;
  }

  .site-nav > a::after {
    display: none;
  }

  .nav-actions {
    margin: 28px 0 0;
  }

  .nav-actions .button {
    width: 100%;
  }

  .hero-grid {
    grid-template-columns: 0.92fr 1.08fr;
    gap: 36px;
  }

  .hero h1 {
    font-size: clamp(52px, 7vw, 80px);
  }

  .use-card:first-child,
  .use-card:nth-child(2),
  .use-card:nth-child(3),
  .use-card {
    grid-column: span 6;
  }

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

  .workload-card {
    min-height: 380px;
  }
}

@media (max-width: 980px) {
  .hero {
    padding-top: 126px;
  }

  .hero-grid,
  .scale-grid,
  .stack-grid,
  .foundation-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 44px;
  }

  .hero-copy {
    max-width: 760px;
  }

  .hero h1 {
    font-size: clamp(58px, 10vw, 92px);
  }

  .pulse-panel {
    min-height: 560px;
  }

  .split-heading {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .convergence-grid {
    grid-template-columns: 1fr 140px 1fr;
  }

  .capability-panel,
  .convergence-center {
    min-height: 520px;
  }

  .capability-panel h3 {
    margin-bottom: 58px;
  }

  .scale-grid,
  .stack-grid,
  .foundation-grid {
    gap: 70px;
  }

  .scale-copy {
    max-width: 720px;
  }

  .stack-intro {
    position: static;
  }

  .runtime-row {
    grid-template-columns: 170px 1fr;
  }

  .runtime-connector {
    margin-left: 170px;
  }

  .runtime-note {
    grid-template-columns: 170px 1fr;
  }

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

  .research-card:first-child {
    grid-column: 1 / -1;
  }

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

@media (max-width: 720px) {
  :root {
    --section-space: 92px;
  }

  .site-header,
  .site-header.is-scrolled {
    height: 68px;
  }

  .brand-copy span {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-top: 112px;
  }

  .hero h1 {
    font-size: clamp(49px, 14.4vw, 74px);
    line-height: 0.91;
  }

  .hero-lede {
    font-size: 16px;
  }

  .button-row {
    display: grid;
  }

  .button-row .button {
    width: 100%;
  }

  .hero-footnote {
    grid-template-columns: 1fr;
    gap: 8px;
    margin-top: 42px;
  }

  .pulse-panel {
    min-height: 490px;
  }

  .pulse-panel-top {
    min-height: 126px;
    flex-direction: column;
  }

  .network-visual {
    min-height: 300px;
  }

  .network-center {
    width: 102px;
    height: 102px;
  }

  .pulse-events {
    grid-template-columns: 1fr auto;
  }

  .pulse-events .mono-label {
    display: none;
  }

  .hero-bottomline {
    min-height: 90px;
    margin-top: 44px;
  }

  .hero-bottomline > span:first-child {
    max-width: 75%;
  }

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

  .display-statement {
    margin-bottom: 54px;
    font-size: clamp(44px, 13vw, 68px);
  }

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

  .capability-panel {
    min-height: auto;
  }

  .capability-panel h3 {
    margin: 40px 0 46px;
  }

  .convergence-center {
    min-height: 180px;
    border-inline: 1px solid var(--line);
  }

  .convergence-line {
    right: 0;
    bottom: auto;
    left: 0;
    top: 50%;
    width: auto;
    height: 1px;
  }

  .plus-mark {
    margin-bottom: 12px;
    background: var(--night);
  }

  .use-card:first-child,
  .use-card:nth-child(2),
  .use-card:nth-child(3),
  .use-card {
    min-height: 390px;
    grid-column: 1 / -1;
  }

  .section-outro {
    align-items: stretch;
    flex-direction: column;
  }

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

  .workload-card {
    min-height: 360px;
  }

  .scale-card-head,
  .scale-controls {
    align-items: flex-start;
    flex-direction: column;
  }

  .scale-buttons {
    width: 100%;
  }

  .scale-button {
    flex: 1;
  }

  .scale-live {
    flex-wrap: wrap;
  }

  .runtime-diagram {
    border: 0;
  }

  .runtime-row {
    grid-template-columns: 1fr;
    border: 1px solid var(--line);
  }

  .runtime-label {
    min-height: 62px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .runtime-nodes,
  .agent-nodes,
  .runtime-services .runtime-nodes {
    grid-template-columns: 1fr 1fr;
  }

  .runtime-nodes > span {
    min-height: 78px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .runtime-nodes > span:nth-child(2n) {
    border-right: 0;
  }

  .runtime-nodes > span:last-child {
    border-bottom: 0;
  }

  .runtime-connector {
    height: 42px;
    margin-left: 0;
    border: 0;
  }

  .runtime-core-card {
    align-items: flex-start;
    flex-direction: column;
  }

  .runtime-core-card > div {
    grid-template-columns: 48px 1fr;
  }

  .core-mark {
    width: 48px;
    height: 48px;
  }

  .runtime-note {
    grid-template-columns: 1fr;
  }

  .runtime-note .mono-label {
    border-right: 0;
    border-bottom: 1px solid rgba(155, 231, 196, 0.22);
  }

  .stack-layer {
    grid-template-columns: 34px 1fr;
    padding: 18px;
  }

  .layer-tag {
    display: none;
  }

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

  .research-card,
  .research-card:first-child {
    min-height: 390px;
    grid-column: auto;
  }

  .research-card h3 {
    margin-top: 64px;
  }

  .research-list a {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    padding-block: 16px;
  }

  .manifesto-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
  }

  .footer-nav {
    grid-template-columns: 1fr 1fr;
    row-gap: 50px;
  }

  .footer-nav > div:last-child {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    grid-template-columns: 1fr;
    gap: 12px;
    padding-block: 24px;
  }
}

@media (max-width: 390px) {
  .pulse-panel-top,
  .pulse-events,
  .use-card,
  .workload-card,
  .scale-card,
  .research-card {
    padding-inline: 20px;
  }

  .hero-bottomline .mono-label {
    display: none;
  }

  .hero-bottomline > span:first-child {
    max-width: 100%;
  }

  .runtime-nodes,
  .agent-nodes,
  .runtime-services .runtime-nodes {
    grid-template-columns: 1fr;
  }

  .runtime-nodes > span,
  .runtime-nodes > span:nth-child(2n) {
    border-right: 0;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}