:root {
  --ink: #07090b;
  --ink-2: #0d1115;
  --ink-3: #151a20;
  --paper: #eef0ed;
  --paper-2: #e2e6e3;
  --white: #f7f8f5;
  --text: #e9edf0;
  --muted: #939ca5;
  --dark-text: #111417;
  --dark-muted: #596169;
  --line: rgba(255, 255, 255, .14);
  --dark-line: rgba(7, 9, 11, .16);
  --blue: #3d83ff;
  --cyan: #56dfff;
  --green: #5de3a1;
  --amber: #ffbf63;
  --violet: #a08cff;
  --red: #ff786e;
  --font-sans: Inter, "SF Pro Display", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "SFMono-Regular", "Cascadia Code", "Roboto Mono", Consolas, "Liberation Mono", monospace;
  --radius: 22px;
  --shell: 1260px;
  --header-height: 72px;
  --type-hero: clamp(56px, 4.8vw, 76px);
  --type-section: clamp(42px, 4.1vw, 60px);
  --type-cta: clamp(54px, 5.6vw, 78px);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--ink);
  scroll-behavior: auto;
  scroll-padding-top: calc(var(--header-height) + 20px);
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

body.menu-open .site-header {
  background: #07090b;
}

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

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

button {
  font: inherit;
}

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

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

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
  transform: translateY(-160%);
  transition: transform .2s ease;
}

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

.shell {
  width: min(var(--shell), calc(100% - 64px));
  margin-inline: auto;
}

.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  height: var(--header-height);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  background: rgba(7, 9, 11, .78);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  transition: background .2s ease, border-color .2s ease;
}

.site-header.is-scrolled {
  background: rgba(7, 9, 11, .94);
  border-color: rgba(255, 255, 255, .14);
}

.header-inner {
  width: min(1400px, calc(100% - 48px));
  height: 100%;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.brand-symbol {
  display: block;
  width: 52px;
  height: 40px;
  flex: 0 0 auto;
  background: url("/assets/favicon.png?v=x-logo-1") center / 113% auto no-repeat;
}

.brand-wordmark {
  display: block;
  width: 250px;
  height: auto;
}

.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(20px, 2.5vw, 36px);
  margin-left: auto;
}

.desktop-nav a,
.language-button {
  color: #aab2ba;
  font-size: 13px;
  font-weight: 620;
  letter-spacing: .02em;
  transition: color .2s ease;
}

.desktop-nav a:hover,
.desktop-nav a:focus-visible,
.language-button:hover,
.language-button:focus-visible {
  color: var(--white);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.language-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 40px;
  padding-top: 1px;
  border: 0;
  background: transparent;
  cursor: pointer;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 12px;
  font-weight: 560;
  line-height: 1;
}

.header-contact {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 17px;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 999px;
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  transition: border-color .2s ease, background .2s ease;
}

.header-contact:hover,
.header-contact:focus-visible {
  border-color: rgba(255, 255, 255, .48);
  background: rgba(255, 255, 255, .06);
}

.header-main-site {
  position: relative;
  isolation: isolate;
  gap: 8px;
  min-width: 0;
  padding-inline: 15px 13px;
  overflow: hidden;
  border-color: rgba(112, 199, 255, .24);
  background: rgba(8, 19, 31, .62);
  box-shadow: inset 0 0 0 1px rgba(105, 222, 255, .025);
  backdrop-filter: blur(12px);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 10px;
  font-weight: 660;
  letter-spacing: .12em;
}

.header-main-site::before {
  content: none;
}

.main-site-orbit {
  position: relative;
  width: 9px;
  height: 9px;
  border: 1px solid rgba(103, 223, 255, .76);
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(49, 200, 255, .45);
}

.main-site-orbit::after {
  content: "";
  position: absolute;
  width: 3px;
  height: 3px;
  top: 2px;
  left: 2px;
  border-radius: 50%;
  background: var(--cyan);
}

.main-site-arrow {
  color: var(--cyan);
  font-size: 15px;
  transition: transform .2s ease;
}

.header-main-site:hover,
.header-main-site:focus-visible {
  border-color: rgba(112, 226, 255, .58);
  background: rgba(12, 33, 51, .82);
  box-shadow: 0 0 24px rgba(33, 168, 255, .1);
}

.header-main-site:hover .main-site-arrow,
.header-main-site:focus-visible .main-site-arrow {
  transform: translate(2px, -2px);
}

@keyframes main-site-scan {
  0%, 48% { transform: translateX(0) skewX(-18deg); }
  72%, 100% { transform: translateX(540%) skewX(-18deg); }
}

.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  padding: 12px 10px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-button > span:not(.sr-only) {
  display: block;
  width: 100%;
  height: 1px;
  margin-block: 6px;
  background: var(--white);
  transition: transform .2s ease;
}

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

.menu-button[aria-expanded="true"] > span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

.mobile-nav {
  position: absolute;
  z-index: 99;
  top: 100%;
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-height));
  height: calc(100dvh - var(--header-height));
  padding: 24px 32px max(32px, env(safe-area-inset-bottom));
  overflow-y: auto;
  overscroll-behavior: contain;
  border-top: 1px solid rgba(86, 223, 255, .12);
  background: linear-gradient(180deg, #090d12 0%, #07090b 100%);
}

.mobile-nav[hidden] {
  display: none;
}

.mobile-nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 58px;
  padding-inline: 4px;
  border-bottom: 1px solid var(--line);
  color: var(--white);
  font-size: 20px;
}

.mobile-nav a::after {
  content: "↘";
  color: var(--cyan);
}

.mobile-nav .mobile-main-site::after {
  content: "↗";
}

.hero {
  position: relative;
  min-height: 860px;
  padding: calc(var(--header-height) + 80px) 0 36px;
  overflow: hidden;
  background:
    radial-gradient(circle at 70% 32%, rgba(61, 131, 255, .12), transparent 34%),
    linear-gradient(180deg, #080b0e 0%, #07090b 100%);
}

.hero-video,
.hero-video-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero-video {
  object-fit: cover;
  object-position: center;
  opacity: .64;
  filter: saturate(.74) contrast(1.08) brightness(.76);
}

.hero-video-control {
  position: absolute;
  z-index: 7;
  right: clamp(18px, 3vw, 48px);
  bottom: clamp(18px, 3vw, 40px);
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 40px;
  padding: 0 15px;
  border: 1px solid rgba(114, 215, 255, .34);
  border-radius: 999px;
  color: rgba(226, 244, 255, .92);
  background: rgba(4, 14, 27, .72);
  box-shadow: 0 12px 32px rgba(0, 0, 0, .22);
  backdrop-filter: blur(12px);
  font: 600 12px/1 var(--font-sans);
  letter-spacing: .06em;
  cursor: pointer;
}

.hero-video-control[hidden] {
  display: none;
}

.hero-video-control:hover {
  border-color: rgba(114, 215, 255, .68);
  background: rgba(8, 26, 46, .84);
}

.hero-video-shade {
  background:
    linear-gradient(90deg, rgba(7, 9, 11, .98) 0%, rgba(7, 9, 11, .88) 34%, rgba(7, 9, 11, .48) 72%, rgba(7, 9, 11, .7) 100%),
    linear-gradient(180deg, rgba(7, 9, 11, .5), transparent 42%, rgba(7, 9, 11, .9));
}

.hero-grid,
.cta-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .043) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .043) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .9), transparent 95%);
}

.hero-grid::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--ink), transparent 18%, transparent 82%, var(--ink));
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(110px);
  opacity: .18;
  pointer-events: none;
}

.hero-glow-a {
  width: 480px;
  height: 480px;
  top: 12%;
  right: 8%;
  background: var(--blue);
}

.hero-glow-b {
  width: 320px;
  height: 320px;
  bottom: 8%;
  left: 10%;
  background: var(--cyan);
  opacity: .08;
}

.hero-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(520px, 1.08fr);
  gap: clamp(54px, 6vw, 96px);
  align-items: center;
}

.hero-copy {
  padding-bottom: 16px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #c9d0d6;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
}

.hero-brand-label {
  color: #f4f8fc;
  font-family: var(--font-sans);
  font-size: clamp(15px, 1.15vw, 18px);
  font-weight: 760;
  letter-spacing: .08em;
  text-shadow: 0 0 24px rgba(86, 223, 255, .18);
}

.pulse-dot {
  position: relative;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 14px rgba(93, 227, 161, .62);
}

.pulse-dot::after {
  content: "";
  position: absolute;
  inset: -5px;
  border: 1px solid rgba(93, 227, 161, .5);
  border-radius: 50%;
  animation: pulse-ring 2.4s ease-out infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(.4); opacity: 0; }
  30% { opacity: 1; }
  100% { transform: scale(1.4); opacity: 0; }
}

.eyebrow-state {
  padding-left: 10px;
  border-left: 1px solid rgba(255, 255, 255, .22);
  color: var(--cyan);
}

.hero h1 {
  max-width: 680px;
  margin: 30px 0 28px;
  font-size: var(--type-hero);
  line-height: .96;
  letter-spacing: -.062em;
  font-weight: 670;
  text-wrap: balance;
}

.hero h1 span {
  display: block;
}

.title-accent {
  color: var(--cyan);
}

.hero-lead {
  max-width: 620px;
  margin: 0;
  color: #aeb6bf;
  font-size: clamp(16px, 1.35vw, 19px);
  line-height: 1.75;
}

.hero-brand-highlight {
  display: inline-block;
  margin-inline: .16em;
  color: #f4f8fc;
  font-weight: 760;
  letter-spacing: .025em;
  box-shadow: inset 0 -1px 0 rgba(86, 223, 255, .68);
  text-shadow: 0 0 20px rgba(86, 223, 255, .18);
}

.cta-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  min-height: 50px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 720;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}

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

.button-ghost {
  border-color: rgba(255, 255, 255, .2);
  color: var(--white);
}

.button-ghost:hover,
.button-ghost:focus-visible {
  border-color: rgba(255, 255, 255, .48);
  background: rgba(255, 255, 255, .05);
}

.demo-note {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  color: #89949e;
  font-family: var(--font-mono);
  font-size: 11px;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 22px;
  padding: 2px 8px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 9px;
  font-style: normal;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.status-concept {
  color: var(--cyan);
  background: rgba(86, 223, 255, .06);
}

.status-research {
  color: var(--violet);
  background: rgba(160, 140, 255, .07);
}

.agent-window {
  position: relative;
  min-height: 540px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .045), transparent 18%),
    rgba(10, 14, 18, .92);
  box-shadow:
    0 52px 120px rgba(0, 0, 0, .48),
    inset 0 1px 0 rgba(255, 255, 255, .04);
  overflow: hidden;
}

.agent-window::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .018) 1px, transparent 1px);
  background-size: 28px 28px;
}

.window-topbar,
.window-footer {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
}

.window-topbar {
  justify-content: space-between;
  height: 46px;
  padding: 0 16px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
  background: rgba(255, 255, 255, .025);
}

.window-dots {
  display: flex;
  gap: 6px;
}

.window-dots i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #525a61;
}

.window-path {
  margin: auto;
  color: #68727c;
  font-family: var(--font-mono);
  font-size: 10px;
}

.run-state {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .08em;
}

.run-state > span:first-child {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 9px currentColor;
}

.agent-window.is-running .run-state > span:first-child {
  animation: runtime-ping .72s steps(2, end) infinite;
}

.run-state.is-done {
  color: var(--cyan);
}

@keyframes runtime-ping {
  0%, 100% { opacity: .34; transform: scale(.7); }
  50% { opacity: 1; transform: scale(1.18); }
}

.meta-label,
.synthetic-tag {
  color: #84909b;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .11em;
}

.synthetic-tag {
  padding: 5px 8px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 4px;
  color: var(--amber);
}

.context-graph {
  position: relative;
  z-index: 1;
  height: 486px;
  border-block: 1px solid rgba(255, 255, 255, .07);
  background:
    radial-gradient(circle at 50% 50%, rgba(26, 116, 255, .11), transparent 36%),
    rgba(0, 0, 0, .14);
  overflow: hidden;
}

.context-graph::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(86, 223, 255, .22) 1px, transparent 1.5px);
  background-size: 22px 22px;
  mask-image: radial-gradient(circle at 50% 50%, #000, transparent 76%);
  opacity: .12;
  pointer-events: none;
}

.context-graph::after {
  content: "";
  position: absolute;
  z-index: 5;
  left: 0;
  right: 0;
  top: -2px;
  height: 2px;
  background: linear-gradient(90deg, transparent 4%, rgba(86, 223, 255, .16) 18%, var(--cyan) 50%, rgba(86, 223, 255, .16) 82%, transparent 96%);
  box-shadow:
    0 0 12px rgba(86, 223, 255, .48),
    0 12px 38px rgba(35, 132, 255, .14);
  opacity: 0;
  pointer-events: none;
}

.context-graph.is-scanning::after {
  animation: graph-scan 1.85s cubic-bezier(.34, .02, .16, 1) both;
}

@keyframes graph-scan {
  0% { top: 7%; opacity: 0; }
  10%, 82% { opacity: .72; }
  100% { top: 94%; opacity: 0; }
}

.agent-window.is-running .window-path::after {
  content: "_";
  margin-left: 2px;
  color: var(--cyan);
  animation: terminal-cursor .68s steps(2, end) infinite;
}

@keyframes terminal-cursor {
  0%, 48% { opacity: 1; }
  49%, 100% { opacity: 0; }
}

.graph-heading {
  position: absolute;
  z-index: 4;
  top: 22px;
  left: 26px;
  display: grid;
  gap: 5px;
}

.graph-heading strong {
  font-size: 14px;
  font-weight: 650;
}

.graph-tag {
  position: absolute;
  z-index: 4;
  top: 22px;
  right: 26px;
}

.graph-network {
  position: absolute;
  z-index: 2;
  inset: 90px 34px 32px;
  display: grid;
  grid-template-columns:
    88px
    minmax(56px, 1fr)
    120px
    minmax(56px, 1fr)
    88px;
  grid-template-rows: 88px minmax(44px, 1fr) 90px minmax(44px, 1fr) 88px;
}

.context-link {
  position: relative;
  z-index: 1;
  background: linear-gradient(90deg, rgba(86, 223, 255, .26), var(--cyan));
  box-shadow: 0 0 6px rgba(86, 223, 255, .14);
  opacity: 0;
  transform: scaleX(.05);
  transform-origin: center;
  transition: opacity .32s ease, transform .5s cubic-bezier(.2, .8, .2, 1);
}

.context-link::before,
.context-link::after {
  content: "";
  position: absolute;
  top: -2px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 7px rgba(86, 223, 255, .55);
}

.context-link::before {
  left: -2px;
}

.context-link::after {
  right: -2px;
}

.context-link.is-visible {
  opacity: 1;
  transform: scaleX(1);
}

.link-packet {
  position: absolute;
  z-index: 2;
  top: -3px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #e5fbff;
  box-shadow:
    0 0 7px 2px rgba(86, 223, 255, .78),
    0 0 18px rgba(35, 132, 255, .7);
  opacity: 0;
}

.context-link.is-visible .link-packet {
  animation: packet-forward 2.25s cubic-bezier(.2, .66, .34, 1) infinite;
}

.link-port.is-visible .link-packet {
  animation-name: packet-reverse;
}

.link-order .link-packet,
.link-approval .link-packet {
  top: 0;
  left: -3px;
}

.link-order.is-visible .link-packet {
  animation-name: packet-up;
}

.link-approval.is-visible .link-packet {
  background: #fff4d8;
  box-shadow:
    0 0 7px 2px rgba(255, 178, 71, .76),
    0 0 18px rgba(255, 178, 71, .5);
  animation-name: packet-down;
}

@keyframes packet-forward {
  0%, 12% { left: 0; opacity: 0; }
  22%, 64% { opacity: 1; }
  78%, 100% { left: 100%; opacity: 0; }
}

@keyframes packet-reverse {
  0%, 12% { left: 100%; opacity: 0; }
  22%, 64% { opacity: 1; }
  78%, 100% { left: 0; opacity: 0; }
}

@keyframes packet-up {
  0%, 12% { top: 100%; opacity: 0; }
  22%, 64% { opacity: 1; }
  78%, 100% { top: 0; opacity: 0; }
}

@keyframes packet-down {
  0%, 12% { top: 0; opacity: 0; }
  22%, 64% { opacity: 1; }
  78%, 100% { top: 100%; opacity: 0; }
}

.link-approval {
  grid-column: 3;
  grid-row: 2;
  justify-self: center;
  width: 1px;
  height: 100%;
  transform: scaleY(.05);
}

.link-container {
  grid-column: 2;
  grid-row: 3;
  align-self: center;
  width: 100%;
  height: 1px;
}

.link-port {
  grid-column: 4;
  grid-row: 3;
  align-self: center;
  width: 100%;
  height: 1px;
}

.link-order {
  grid-column: 3;
  grid-row: 4;
  justify-self: center;
  width: 1px;
  height: 100%;
  transform: scaleY(.05);
}

.link-approval::before,
.link-approval::after,
.link-order::before,
.link-order::after {
  top: auto;
  left: -2px;
}

.link-approval::before,
.link-order::before {
  top: -2px;
}

.link-approval::after,
.link-order::after {
  right: auto;
  bottom: -2px;
}

.link-approval {
  background: linear-gradient(180deg, rgba(255, 178, 71, .3), var(--amber));
  box-shadow: 0 0 6px rgba(255, 178, 71, .16);
}

.link-approval::before,
.link-approval::after {
  background: var(--amber);
  box-shadow: 0 0 7px rgba(255, 178, 71, .5);
}

.link-approval.is-visible,
.link-order.is-visible {
  transform: scaleY(1);
}

.context-node {
  position: relative;
  z-index: 3;
  display: grid;
  justify-items: center;
  align-content: center;
  height: 100%;
  min-height: 0;
  padding: 8px 10px;
  border: 1px solid rgba(86, 223, 255, .22);
  border-radius: 10px;
  background:
    linear-gradient(180deg, rgba(19, 84, 150, .17), rgba(5, 12, 18, .94));
  box-shadow:
    0 0 0 1px rgba(86, 223, 255, .04),
    0 0 24px rgba(17, 105, 255, .1),
    inset 0 1px 0 rgba(255, 255, 255, .05);
  color: var(--cyan);
  opacity: 0;
  transform: translateY(8px) scale(.97);
  transition:
    opacity .34s ease,
    transform .45s cubic-bezier(.2, .8, .2, 1),
    border-color .25s ease,
    box-shadow .25s ease;
}

.context-node:not(.node-core) {
  border-color: rgba(86, 223, 255, .14);
  background: rgba(5, 12, 18, .42);
  box-shadow: none;
}

.context-node::before,
.context-node::after {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  border-color: currentColor;
  opacity: .7;
}

.context-node:not(.node-core)::before,
.context-node:not(.node-core)::after {
  display: none;
}

.context-node::before {
  top: 7px;
  left: 7px;
  border-top: 1px solid;
  border-left: 1px solid;
}

.context-node::after {
  right: 7px;
  bottom: 7px;
  border-right: 1px solid;
  border-bottom: 1px solid;
}

.context-node.is-visible,
.graph-safety.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.context-node.is-visible {
  animation: node-boot .46s cubic-bezier(.2, .82, .2, 1) both;
}

@keyframes node-boot {
  0% { opacity: 0; filter: brightness(.45); transform: translateY(8px) scale(.94); }
  52% { opacity: 1; filter: brightness(1.8); transform: translateY(-2px) scale(1.025); }
  100% { opacity: 1; filter: brightness(1); transform: translateY(0) scale(1); }
}

.context-node:hover {
  border-color: rgba(86, 223, 255, .78);
  box-shadow:
    0 0 0 1px rgba(86, 223, 255, .08),
    0 0 30px rgba(17, 105, 255, .18),
    inset 0 1px 0 rgba(255, 255, 255, .07);
}

.context-node:not(.node-core):hover {
  border-color: rgba(86, 223, 255, .38);
  box-shadow: none;
}

.context-node strong {
  color: #dce8ef;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 720;
  letter-spacing: .07em;
}

.node-wordmark {
  display: block;
  width: 82px;
  max-width: 100%;
  height: auto;
  margin-top: 1px;
}

.node-order {
  grid-column: 3;
  grid-row: 5;
  justify-self: center;
  width: 88px;
  height: 88px;
  align-self: center;
}

.node-port {
  grid-column: 5;
  grid-row: 3;
  justify-self: end;
  width: 88px;
  height: 88px;
  align-self: center;
}

.node-container {
  grid-column: 1;
  grid-row: 3;
  justify-self: start;
  width: 88px;
  height: 88px;
  align-self: center;
}

.node-agent {
  grid-column: 3;
  grid-row: 3;
  width: 120px;
  height: 90px;
  align-self: center;
}

.node-approval {
  grid-column: 3;
  grid-row: 1;
  justify-self: center;
  width: 88px;
  height: 88px;
  align-self: center;
  border-color: rgba(255, 178, 71, .34);
  color: var(--amber);
  background:
    linear-gradient(180deg, rgba(255, 178, 71, .07), rgba(13, 11, 8, .5));
}

.node-core {
  border-color: rgba(86, 223, 255, .82);
  background:
    radial-gradient(circle at 50% 35%, rgba(23, 117, 255, .22), transparent 60%),
    linear-gradient(180deg, rgba(17, 57, 101, .46), rgba(4, 12, 19, .97));
  box-shadow:
    0 0 0 1px rgba(86, 223, 255, .1),
    0 0 36px rgba(23, 117, 255, .21),
    inset 0 1px 0 rgba(255, 255, 255, .08);
}

.agent-window.is-online .node-core {
  animation: core-breathe 3.4s ease-in-out infinite;
}

@keyframes core-breathe {
  0%, 100% {
    border-color: rgba(86, 223, 255, .72);
    box-shadow:
      0 0 0 1px rgba(86, 223, 255, .08),
      0 0 28px rgba(23, 117, 255, .16),
      inset 0 1px 0 rgba(255, 255, 255, .08);
  }
  50% {
    border-color: rgba(110, 231, 255, .98);
    box-shadow:
      0 0 0 1px rgba(86, 223, 255, .16),
      0 0 48px rgba(23, 117, 255, .28),
      inset 0 1px 0 rgba(255, 255, 255, .1);
  }
}

.node-symbol {
  position: relative;
  display: block;
  width: 38px;
  height: 30px;
  margin-bottom: 8px;
  color: currentColor;
}

.symbol-order {
  width: 36px;
  height: 29px;
  background:
    linear-gradient(currentColor, currentColor) 0 0 / 9px 1px no-repeat,
    linear-gradient(currentColor, currentColor) 0 0 / 1px 8px no-repeat,
    linear-gradient(currentColor, currentColor) 100% 0 / 9px 1px no-repeat,
    linear-gradient(currentColor, currentColor) 100% 0 / 1px 8px no-repeat,
    linear-gradient(currentColor, currentColor) 0 100% / 9px 1px no-repeat,
    linear-gradient(currentColor, currentColor) 0 100% / 1px 8px no-repeat,
    linear-gradient(currentColor, currentColor) 100% 100% / 9px 1px no-repeat,
    linear-gradient(currentColor, currentColor) 100% 100% / 1px 8px no-repeat;
}

.symbol-order::before {
  content: "01";
  position: absolute;
  top: 3px;
  left: 6px;
  color: currentColor;
  font-family: var(--font-mono);
  font-size: 7px;
  font-weight: 800;
  letter-spacing: .14em;
}

.symbol-order::after {
  content: "";
  position: absolute;
  top: 14px;
  left: 6px;
  width: 24px;
  height: 1px;
  background: linear-gradient(90deg, currentColor 0 68%, transparent 68% 82%, currentColor 82%);
  box-shadow:
    0 5px 0 rgba(86, 223, 255, .78),
    0 10px 0 rgba(86, 223, 255, .48);
}

.symbol-container {
  width: 42px;
  height: 27px;
  border: 1px solid currentColor;
  border-radius: 2px;
  background: repeating-linear-gradient(
    90deg,
    transparent 0 5px,
    currentColor 5px 6px
  );
}

.symbol-agent {
  width: 56px;
  height: 44px;
  background: url("/assets/favicon.png?v=x-logo-1") center / 113% auto no-repeat;
}

.symbol-agent::before,
.symbol-agent::after {
  content: "";
  position: absolute;
  inset: 3px 8px;
  border: 1px solid rgba(86, 223, 255, .28);
  border-radius: 50%;
  opacity: 0;
  pointer-events: none;
}

.agent-window.is-online .symbol-agent::before,
.agent-window.is-online .symbol-agent::after {
  animation: agent-pulse 2.8s ease-out infinite;
}

.agent-window.is-online .symbol-agent::after {
  animation-delay: 1.4s;
}

@keyframes agent-pulse {
  0% { opacity: .52; transform: scale(.56); }
  70%, 100% { opacity: 0; transform: scale(1.8); }
}

.symbol-port {
  width: 46px;
  height: 32px;
}

.symbol-port::before {
  content: "";
  position: absolute;
  top: 2px;
  left: 6px;
  width: 32px;
  height: 16px;
  border: 1px solid currentColor;
  background:
    linear-gradient(currentColor, currentColor) 0 7px / 100% 1px no-repeat,
    repeating-linear-gradient(
      90deg,
      transparent 0 7px,
      currentColor 7px 8px
    );
  filter: drop-shadow(0 0 5px rgba(86, 223, 255, .2));
}

.symbol-port::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 46px;
  height: 11px;
  border-top: 2px solid currentColor;
  border-bottom: 1px solid currentColor;
  background: linear-gradient(180deg, rgba(86, 223, 255, .08), transparent);
  clip-path: polygon(0 0, 100% 0, 84% 100%, 18% 100%);
}

.symbol-approval {
  display: grid;
  width: 29px;
  height: 29px;
  place-items: center;
  border: 1px solid currentColor;
  transform: rotate(45deg);
  font-size: 0;
}

.symbol-approval::after {
  content: "✓";
  transform: rotate(-45deg);
  color: currentColor;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 800;
}

.graph-safety {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  padding: 6px 8px;
  border: 1px solid rgba(86, 223, 255, .28);
  border-radius: 3px;
  background: rgba(5, 12, 18, .82);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 7px;
  font-weight: 800;
  letter-spacing: .08em;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(8px) scale(.97);
  transition: opacity .34s ease, transform .45s cubic-bezier(.2, .8, .2, 1);
}

.window-footer {
  justify-content: space-between;
  gap: 14px;
  min-height: 58px;
  padding: 0 20px 0 28px;
}

.footer-signal {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #6d7780;
  font-family: var(--font-mono);
  font-size: 9px;
  margin-right: auto;
}

.signal-bars {
  display: inline-flex;
  align-items: flex-end;
  gap: 2px;
  height: 12px;
}

.signal-bars i {
  width: 2px;
  background: var(--cyan);
}

.signal-bars i:nth-child(1) { height: 4px; opacity: .4; }
.signal-bars i:nth-child(2) { height: 7px; opacity: .6; }
.signal-bars i:nth-child(3) { height: 10px; opacity: .8; }
.signal-bars i:nth-child(4) { height: 12px; }

.agent-window.is-online .signal-bars i {
  animation: signal-live 1.12s steps(4, end) infinite alternate;
}

.agent-window.is-online .signal-bars i:nth-child(2) { animation-delay: -.42s; }
.agent-window.is-online .signal-bars i:nth-child(3) { animation-delay: -.76s; }
.agent-window.is-online .signal-bars i:nth-child(4) { animation-delay: -.24s; }

@keyframes signal-live {
  0% { transform: scaleY(.45); opacity: .35; }
  100% { transform: scaleY(1); opacity: 1; }
}

.replay-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 4px;
  background: rgba(255, 255, 255, .03);
  color: #909aa3;
  font-family: var(--font-mono);
  font-size: 9px;
  cursor: pointer;
}

.replay-button:hover,
.replay-button:focus-visible {
  border-color: rgba(255, 255, 255, .35);
  color: var(--white);
}

.replay-button:disabled {
  cursor: wait;
  opacity: .42;
}

.capability-rail {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 70px;
  border-top: 1px solid var(--line);
}

.capability-rail span {
  min-height: 74px;
  padding: 22px 24px 0;
  border-right: 1px solid var(--line);
  color: #818b94;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.capability-rail span:last-child {
  border-right: 0;
}

.capability-rail b {
  margin-right: 14px;
  color: var(--cyan);
  font-size: 9px;
}

.section {
  position: relative;
  padding: clamp(88px, 9vw, 132px) 0;
  scroll-margin-top: var(--header-height);
}

.section-light,
.section-trust,
.section-foundation {
  background: var(--paper);
  color: var(--dark-text);
}

.section-heading h2,
.research-intro h2,
.foundation-copy h2,
.final-cta h2,
.interface-copy h2 {
  margin: 16px 0 0;
  font-size: var(--type-section);
  line-height: 1.01;
  letter-spacing: -.055em;
  font-weight: 640;
  text-wrap: balance;
}

.section-heading h2 {
  max-width: 700px;
  font-size: clamp(44px, 4.35vw, 64px);
  line-height: .96;
}

.section-title-tail {
  display: inline-block;
  margin-top: .1em;
}

.kicker {
  margin: 0;
  color: #316fae;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .16em;
}

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

.split-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.14fr) minmax(350px, .86fr);
  align-items: start;
  gap: clamp(58px, 7vw, 112px);
}

.heading-copy {
  position: relative;
  max-width: 520px;
  margin: clamp(48px, 5vw, 68px) 0 0;
  padding-left: 26px;
  color: #56616b;
  font-size: clamp(16px, 1.35vw, 18px);
  line-height: 1.72;
  text-wrap: pretty;
}

.heading-copy::before {
  content: "";
  position: absolute;
  top: .58em;
  left: 0;
  width: 2px;
  height: 34px;
  background: linear-gradient(180deg, var(--blue), var(--cyan));
}

.heading-copy > p {
  margin: 0;
}

.inline-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
  color: #67717a;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .05em;
}

.inline-status i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
}

.runtime-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 88px 0 0;
  padding: 0;
  border-top: 1px solid var(--dark-line);
  border-bottom: 1px solid var(--dark-line);
  list-style: none;
}

.runtime-steps li {
  position: relative;
  min-height: 224px;
  padding: 24px 18px 28px;
  border-right: 1px solid var(--dark-line);
}

.runtime-steps li:last-child {
  border-right: 0;
}

.step-index {
  color: #8a9298;
  font-family: var(--font-mono);
  font-size: 9px;
}

.step-symbol {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  margin: 45px 0 25px;
  border: 1px solid rgba(7, 9, 11, .28);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 800;
}

.runtime-steps h3 {
  margin: 0 0 9px;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: -.025em;
  font-weight: 650;
}

.runtime-steps p {
  margin: 0;
  color: #677079;
  font-size: 13px;
  line-height: 1.6;
}

.section-context {
  overflow: hidden;
  background: var(--ink-2);
}

.context-layout {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: clamp(60px, 8vw, 130px);
  align-items: center;
}

.context-copy h2 {
  margin: 14px 0 28px;
  font-size: clamp(44px, 5vw, 72px);
  line-height: 1.05;
  letter-spacing: -.06em;
  font-weight: 640;
}

.context-copy > p:not(.kicker) {
  max-width: 580px;
  margin: 0;
  color: #969fa8;
  font-size: 17px;
  line-height: 1.85;
}

.context-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 32px;
  color: #7f8992;
  font-family: var(--font-mono);
  font-size: 10px;
}

.context-legend > span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.legend-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.legend-dot.live {
  background: var(--green);
}

.legend-dot.concept {
  border: 1px solid var(--cyan);
}

.legend-dot.approval {
  background: var(--amber);
}

.object-map {
  position: relative;
  min-height: 610px;
  border: 1px solid rgba(255, 255, 255, .11);
  border-radius: 18px;
  background:
    radial-gradient(circle at 50% 48%, rgba(61, 131, 255, .16), transparent 34%),
    rgba(255, 255, 255, .015);
  overflow: hidden;
}

.map-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
  background-size: 42px 42px;
}

.map-node {
  position: absolute;
  z-index: 2;
  display: grid;
  gap: 4px;
  min-width: 128px;
  padding: 11px 13px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 6px;
  background: rgba(14, 19, 24, .88);
  box-shadow: 0 16px 40px rgba(0, 0, 0, .25);
  font-family: var(--font-mono);
  font-size: 11px;
}

.map-node small {
  color: #6d7780;
  font-size: 8px;
  text-transform: uppercase;
}

.object-map .node-center {
  top: 50%;
  left: 50%;
  min-width: 170px;
  padding: 18px;
  border-color: rgba(86, 223, 255, .42);
  background: #111820;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 70px rgba(61, 131, 255, .25);
}

.object-map .node-center strong {
  font-size: 15px;
}

.object-map .node-status {
  position: absolute;
  top: 9px;
  right: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
}

.object-map .node-order { top: 10%; left: 10%; }
.object-map .node-container { top: 9%; right: 9%; }
.object-map .node-bol { top: 49%; right: 3%; }
.object-map .node-port { bottom: 12%; right: 12%; }
.object-map .node-address { bottom: 8%; left: 10%; }
.object-map .node-driver { top: 38%; left: 4%; }
.object-map .node-alert { bottom: 26%; left: 38%; }
.object-map .node-rule { top: 17%; left: 37%; }

.map-orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(86, 223, 255, .12);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orbit-one {
  width: 390px;
  height: 250px;
}

.orbit-two {
  width: 570px;
  height: 430px;
  border-color: rgba(255, 255, 255, .07);
}

.section-footnote {
  margin-top: 34px;
  color: #656f78;
  font-family: var(--font-mono);
  font-size: 9px;
  text-align: right;
}

.section-tools {
  background: var(--ink);
}

.dark-heading h2 {
  color: var(--white);
}

.dark-heading .heading-copy {
  color: #929ba4;
}

.tool-table {
  margin-top: 76px;
  border-top: 1px solid var(--line);
}

.tool-row {
  display: grid;
  grid-template-columns: 1fr 1.48fr .48fr .62fr .42fr;
  gap: 20px;
  align-items: center;
  min-height: 79px;
  padding: 0 14px;
  border-bottom: 1px solid var(--line);
  transition: background .2s ease;
}

.tool-row:not(.tool-head):hover {
  background: rgba(255, 255, 255, .025);
}

.tool-head {
  min-height: 46px;
  color: #66717b;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.tool-row code {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 13px;
}

.tool-row > span:nth-child(2) {
  color: #979fa7;
  font-size: 14px;
}

.mode-badge {
  width: max-content;
  padding: 3px 7px;
  border: 1px solid rgba(255, 255, 255, .15);
  border-radius: 3px;
  color: #949da5;
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 800;
}

.mode-approval {
  border-color: rgba(255, 191, 99, .34);
  color: var(--amber);
}

.approval-state {
  color: #77828c;
  font-family: var(--font-mono);
  font-size: 9px;
}

.approval-required {
  color: var(--amber);
}

.section-agents {
  background: var(--paper);
  color: var(--dark-text);
}

.agents-heading {
  max-width: 900px;
}

.agent-concepts {
  display: grid;
  grid-template-columns: 1.2fr .9fr .9fr;
  gap: 16px;
  margin-top: 76px;
}

.agent-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 340px;
  padding: 28px;
  border: 1px solid var(--dark-line);
  border-radius: 12px;
  background: rgba(255, 255, 255, .36);
}

.featured-agent {
  background: var(--ink-2);
  color: var(--white);
}

.agent-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.agent-number,
.agent-type {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .11em;
}

.agent-number {
  color: #6c757c;
}

.agent-type {
  margin: 0 0 12px;
  color: #3979b7;
}

.featured-agent .agent-type {
  color: var(--cyan);
}

.agent-card h3 {
  margin: 0 0 16px;
  font-size: clamp(26px, 2.4vw, 38px);
  line-height: 1.08;
  letter-spacing: -.045em;
}

.agent-card > div:nth-child(2) > p:last-child {
  margin: 0;
  color: #626a71;
  line-height: 1.75;
}

.featured-agent > div:nth-child(2) > p:last-child {
  color: #9ba4ac;
}

.agent-output {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 22px;
  border-top: 1px solid currentColor;
  border-top-color: rgba(100, 108, 115, .22);
  font-family: var(--font-mono);
  font-size: 9px;
}

.agent-output > span {
  margin-right: auto;
  color: #747e86;
  text-transform: uppercase;
}

.agent-output code {
  padding: 3px 6px;
  border: 1px solid rgba(100, 108, 115, .25);
  border-radius: 3px;
  color: inherit;
}

.section-interfaces {
  background:
    radial-gradient(circle at 75% 40%, rgba(61, 131, 255, .13), transparent 32%),
    var(--ink-2);
}

.interface-layout {
  display: grid;
  grid-template-columns: .72fr 1.28fr;
  gap: clamp(70px, 9vw, 140px);
  align-items: center;
}

.interface-copy h2 {
  color: var(--white);
}

.interface-copy > p:not(.kicker) {
  margin: 26px 0 0;
  color: #939ca5;
  line-height: 1.8;
}

.interface-tabs {
  display: inline-flex;
  margin-top: 34px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, .025);
}

.interface-tabs button {
  min-height: 38px;
  padding: 0 16px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: #7f8992;
  font-family: var(--font-mono);
  font-size: 10px;
  cursor: pointer;
}

.interface-tabs button[aria-selected="true"] {
  background: var(--white);
  color: var(--ink);
}

.interface-console {
  min-height: 440px;
  border: 1px solid rgba(255, 255, 255, .15);
  border-radius: 16px;
  background:
    linear-gradient(rgba(255, 255, 255, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .025) 1px, transparent 1px),
    rgba(7, 9, 11, .78);
  background-size: 34px 34px;
  box-shadow: 0 36px 90px rgba(0, 0, 0, .34);
}

.interface-panel {
  min-height: 438px;
  padding: 34px;
}

.interface-panel[hidden] {
  display: none;
}

.console-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #6f7982;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .11em;
}

.interface-panel h3 {
  max-width: 610px;
  margin: 50px 0 34px;
  font-size: clamp(27px, 3vw, 42px);
  line-height: 1.12;
  letter-spacing: -.045em;
}

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

.console-list li {
  display: grid;
  grid-template-columns: 32px 1fr auto;
  gap: 14px;
  align-items: center;
  min-height: 62px;
  border-bottom: 1px solid var(--line);
  color: #a4adb5;
  font-size: 13px;
}

.console-list li > span:first-child,
.console-list b {
  color: #59646d;
  font-family: var(--font-mono);
  font-size: 8px;
}

.console-list b {
  color: var(--cyan);
}

.machine-link {
  display: inline-block;
  margin-top: 26px;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 10px;
}

.control-plane {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  margin-top: 26px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.control-plane span {
  display: grid;
  place-items: center;
  min-height: 38px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: #63707a;
  font-family: var(--font-mono);
  font-size: 7px;
  letter-spacing: .07em;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 80px;
  border-top: 1px solid var(--dark-line);
  border-left: 1px solid var(--dark-line);
}

.principle-grid article {
  min-height: 190px;
  padding: 24px;
  border-right: 1px solid var(--dark-line);
  border-bottom: 1px solid var(--dark-line);
}

.principle-grid article > span {
  color: #8b9399;
  font-family: var(--font-mono);
  font-size: 9px;
}

.principle-grid h3 {
  margin: 58px 0 5px;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: -.025em;
  font-weight: 650;
}

.principle-grid p {
  margin: 0;
  color: #6a7278;
  font-size: 14px;
}

.foundation-inline {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 48px;
  align-items: center;
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--dark-line);
}

.foundation-inline > p {
  max-width: 540px;
  margin: 0;
  color: var(--dark-muted);
  line-height: 1.75;
}

.fact-inline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.fact-inline span {
  display: grid;
  gap: 6px;
  min-height: 68px;
  padding-left: 18px;
  border-left: 1px solid var(--dark-line);
}

.fact-inline b {
  align-self: end;
  font-size: 16px;
  letter-spacing: -.02em;
}

.fact-inline small {
  color: var(--dark-muted);
  font-size: 11px;
}

.section-research {
  background: var(--ink);
}

.research-layout,
.foundation-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(70px, 10vw, 160px);
  align-items: start;
}

.research-intro h2 {
  color: var(--white);
}

.research-intro > p:last-child,
.foundation-copy > p:last-child {
  margin: 28px 0 0;
  color: #949da5;
  font-size: 17px;
  line-height: 1.85;
}

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

.research-list > div {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: 18px;
  align-items: center;
  min-height: 82px;
  border-bottom: 1px solid var(--line);
}

.research-list span,
.research-list i {
  color: #66717b;
  font-family: var(--font-mono);
  font-size: 9px;
  font-style: normal;
}

.research-list strong {
  font-size: 14px;
  font-weight: 600;
}

.research-list i {
  color: var(--cyan);
}

.section-foundation {
  overflow: hidden;
}

.foundation-copy > p:last-child {
  color: var(--dark-muted);
}

.fact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin: 0;
  border-top: 1px solid var(--dark-line);
  border-left: 1px solid var(--dark-line);
}

.fact-grid > div {
  min-height: 190px;
  padding: 24px;
  border-right: 1px solid var(--dark-line);
  border-bottom: 1px solid var(--dark-line);
}

.fact-grid dt {
  margin-top: 40px;
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 630;
  letter-spacing: -.055em;
}

.fact-grid dd {
  margin: 5px 0 0;
  color: #687078;
  font-size: 13px;
}

.final-cta {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: clamp(88px, 8vw, 124px) 0 clamp(92px, 9vw, 136px);
  background:
    linear-gradient(112deg, rgba(8, 12, 18, .98) 0%, rgba(7, 12, 20, .96) 46%, rgba(7, 17, 31, .96) 100%),
    #070b11;
  color: var(--white);
}

.final-cta::before {
  content: "";
  position: absolute;
  z-index: -1;
  width: min(760px, 58vw);
  aspect-ratio: 1;
  right: -12%;
  top: -48%;
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(39, 125, 255, .2) 0%, rgba(23, 91, 190, .1) 34%, transparent 68%);
  filter: blur(26px);
  pointer-events: none;
}

.final-cta::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background:
    linear-gradient(90deg, transparent 0%, rgba(86, 223, 255, .28) 50%, transparent 100%) 50% 0 / min(1240px, calc(100% - 72px)) 1px no-repeat,
    linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, .1) 50%, transparent 100%) 50% 100% / min(1240px, calc(100% - 72px)) 1px no-repeat;
  pointer-events: none;
}

.cta-grid {
  opacity: .075;
  background-size: 88px 88px;
  mask-image: linear-gradient(90deg, transparent 0%, #000 24%, #000 82%, transparent 100%);
}

.beta-access-glow {
  position: absolute;
  z-index: 0;
  right: 13%;
  bottom: 12%;
  width: 1px;
  height: 48%;
  background: linear-gradient(180deg, transparent, rgba(86, 223, 255, .5), transparent);
  box-shadow: 0 0 64px 18px rgba(39, 125, 255, .08);
  pointer-events: none;
}

.beta-access-watermark {
  position: absolute;
  z-index: 0;
  right: -.025em;
  bottom: -.16em;
  color: transparent;
  font-size: clamp(200px, 27vw, 480px);
  font-weight: 720;
  letter-spacing: -.09em;
  line-height: .78;
  -webkit-text-stroke: 1px rgba(120, 174, 229, .055);
  user-select: none;
  pointer-events: none;
}

.beta-access-inner {
  position: relative;
  z-index: 2;
}

.beta-access-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 26px;
  border-bottom: 1px solid rgba(194, 219, 244, .13);
}

.beta-access-program {
  display: flex;
  align-items: center;
  gap: 14px;
}

.beta-access-program > span {
  color: rgba(161, 184, 206, .44);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .12em;
}

.beta-access-program > span::after {
  content: "";
  display: inline-block;
  width: 34px;
  height: 1px;
  margin: 0 0 3px 13px;
  background: rgba(161, 184, 206, .25);
}

.beta-access-state {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  color: #93a0ac;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .12em;
}

.beta-access-state i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 18px rgba(86, 223, 255, .64);
}

.beta-access-main {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(460px, 1.1fr);
  gap: clamp(64px, 8vw, 126px);
  align-items: center;
  padding-top: clamp(62px, 7vw, 96px);
}

.beta-access-title {
  align-self: center;
}

.beta-access-title > p {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 30px;
  color: rgba(122, 204, 241, .66);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .16em;
}

.beta-access-title > p::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(86, 223, 255, .48);
}

.final-cta h2 {
  max-width: 620px;
  margin: 0;
  font-size: clamp(58px, 6.2vw, 92px);
  font-weight: 620;
  line-height: .92;
  letter-spacing: -.065em;
}

.final-cta h2 .section-title-tail {
  color: transparent;
  background: linear-gradient(100deg, #f4f8fc 6%, #75dfff 72%, #3d83ff 112%);
  -webkit-background-clip: text;
  background-clip: text;
}

html[data-lang="en"] .hero h1 {
  font-size: clamp(50px, 4.15vw, 68px);
  letter-spacing: -.052em;
}

html[data-lang="en"] .section-heading h2 {
  font-size: clamp(38px, 3.45vw, 50px);
  line-height: 1.02;
  letter-spacing: -.045em;
}

html[data-lang="en"] .final-cta h2 {
  font-size: clamp(48px, 5vw, 76px);
  line-height: .94;
  letter-spacing: -.052em;
}

.beta-access-card {
  position: relative;
  overflow: hidden;
  min-height: 390px;
  padding: clamp(30px, 3.2vw, 44px);
  border: 1px solid rgba(184, 214, 242, .16);
  border-radius: 22px;
  background:
    radial-gradient(circle at 100% 0%, rgba(61, 131, 255, .14), transparent 35%),
    linear-gradient(145deg, rgba(255, 255, 255, .052), rgba(255, 255, 255, .018));
  box-shadow:
    0 36px 90px rgba(0, 0, 0, .28),
    inset 0 1px 0 rgba(255, 255, 255, .055);
  backdrop-filter: blur(18px);
}

.beta-access-card::before,
.beta-access-card::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.beta-access-card::before {
  inset: 0;
  background:
    linear-gradient(90deg, var(--cyan), transparent) 0 0 / 112px 1px no-repeat,
    linear-gradient(180deg, var(--cyan), transparent) 0 0 / 1px 112px no-repeat;
  opacity: .55;
}

.beta-access-card::after {
  width: 140px;
  height: 140px;
  right: -72px;
  bottom: -72px;
  border: 1px solid rgba(86, 223, 255, .13);
  border-radius: 50%;
  box-shadow:
    0 0 0 24px rgba(86, 223, 255, .018),
    0 0 0 52px rgba(86, 223, 255, .012);
}

.beta-access-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: clamp(52px, 5vw, 76px);
  color: #7890a4;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .14em;
}

.beta-access-card-head span:last-child {
  display: flex;
  align-items: center;
  gap: 9px;
  color: rgba(118, 216, 255, .72);
}

.beta-access-card-head span:last-child::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(86, 223, 255, .62);
}

.beta-access-copy {
  max-width: 600px;
}

.beta-access-copy > p {
  margin: 0;
  color: #a7b2be;
  font-size: clamp(16px, 1.35vw, 19px);
  line-height: 1.82;
  text-wrap: pretty;
}

.beta-access-email {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 54px;
  gap: 10px 24px;
  align-items: center;
  margin-top: 38px;
  padding-top: 26px;
  border-top: 1px solid rgba(193, 218, 241, .13);
  color: var(--white);
}

.beta-access-email span {
  grid-column: 1;
  color: #6edcff;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .12em;
}

.beta-access-email strong {
  grid-column: 1;
  color: var(--white);
  margin: 0;
  font-size: clamp(28px, 3vw, 44px);
  font-weight: 590;
  letter-spacing: -.045em;
  line-height: 1;
  transition: color .2s ease;
}

.beta-access-email i {
  display: grid;
  grid-column: 2;
  grid-row: 1 / 3;
  place-items: center;
  width: 54px;
  height: 54px;
  border: 1px solid rgba(109, 215, 255, .34);
  border-radius: 50%;
  color: #79ddff;
  background: rgba(62, 151, 255, .055);
  font-size: 19px;
  font-style: normal;
  line-height: 1;
  transition: color .25s ease, background .25s ease, border-color .25s ease, transform .25s ease;
}

.beta-access-email:hover strong,
.beta-access-email:focus-visible strong {
  color: var(--cyan);
}

.beta-access-email:hover i,
.beta-access-email:focus-visible i {
  border-color: rgba(109, 215, 255, .72);
  color: #041019;
  background: var(--cyan);
  transform: translate(3px, -3px);
}

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

.button-outline-light {
  border-color: rgba(255, 255, 255, .5);
  color: var(--white);
}

.button-outline-light:hover,
.button-outline-light:focus-visible {
  background: rgba(255, 255, 255, .1);
}

.cta-status {
  margin: 0;
  color: rgba(255, 255, 255, .48);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .08em;
}

.site-footer {
  padding: 56px 0;
  border-top: 1px solid var(--line);
  background: var(--ink);
}

.footer-layout {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 50px;
  align-items: start;
}

.footer-brand {
  margin-bottom: 16px;
}

.footer-brand .brand-wordmark {
  width: 250px;
}

.footer-layout > div:first-child > p {
  margin: 0;
  color: #6c7680;
  font-family: var(--font-mono);
  font-size: 9px;
}

.footer-links {
  display: grid;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
}

.footer-links a {
  color: #9099a1;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--white);
}

.copyright {
  margin: 0;
  color: #606a73;
  font-size: 10px;
  line-height: 1.8;
  text-align: right;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s ease, transform .7s cubic-bezier(.22, 1, .36, 1);
}

[data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

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

@media (max-width: 1120px) {
  .desktop-nav {
    gap: 18px;
  }

  .hero {
    min-height: auto;
  }

  .hero-layout {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 840px;
  }

  .agent-window {
    width: min(760px, 100%);
  }

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

  .context-layout,
  .interface-layout {
    grid-template-columns: 1fr;
  }

  .context-copy {
    max-width: 860px;
  }

  .object-map {
    max-width: 820px;
  }

  .agent-concepts {
    grid-template-columns: 1fr 1fr;
  }

  .featured-agent {
    grid-column: 1 / -1;
    min-height: 320px;
  }
}

@media (max-width: 880px) {
  :root {
    --header-height: 66px;
  }

  .shell,
  .header-inner {
    width: min(100% - 36px, var(--shell));
  }

  .desktop-nav,
  .header-contact {
    display: none;
  }

  .menu-button {
    display: block;
  }

  .hero {
    padding-top: calc(var(--header-height) + 58px);
  }

  .split-heading,
  .research-layout,
  .foundation-layout,
  .beta-access-main {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .beta-access-main {
    align-items: start;
    gap: 48px;
  }

  .beta-access-copy {
    max-width: 720px;
  }

  .beta-access-card {
    width: min(720px, 100%);
  }

  .heading-copy {
    max-width: 680px;
    margin-top: 0;
  }

  .tool-row {
    grid-template-columns: 1fr auto;
    gap: 7px 16px;
    padding-block: 16px;
  }

  .tool-head {
    display: none;
  }

  .tool-row > span:nth-child(2) {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .tool-row > .mode-badge {
    grid-column: 1;
    grid-row: 3;
  }

  .tool-row > .approval-state {
    grid-column: 1;
    grid-row: 4;
  }

  .tool-row > .status-chip {
    grid-column: 2;
    grid-row: 1;
  }

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

  .foundation-inline {
    grid-template-columns: 1fr;
    gap: 28px;
  }

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

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

@media (max-width: 640px) {
  :root {
    --type-hero: clamp(46px, 12.4vw, 56px);
    --type-section: clamp(34px, 9.6vw, 40px);
    --type-cta: clamp(48px, 13vw, 60px);
  }

  .shell,
  .header-inner {
    width: min(100% - 28px, var(--shell));
  }

  .brand-symbol {
    width: 46px;
    height: 35px;
  }

  .brand-wordmark {
    width: 176px;
  }

  .footer-brand .brand-wordmark {
    width: 176px;
  }

  .header-inner {
    gap: 12px;
  }

  .brand {
    gap: 8px;
  }

  .language-button {
    width: 36px;
  }

  .hero {
    padding-top: calc(var(--header-height) + 44px);
  }

  .hero-video {
    object-position: 58% center;
    opacity: .46;
  }

  .eyebrow {
    flex-wrap: wrap;
  }

  .hero h1 {
    max-width: 100%;
    margin: 26px 0 24px;
    font-size: var(--type-hero);
    line-height: .97;
    letter-spacing: -.058em;
  }

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

  .cta-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .agent-window {
    min-height: 520px;
    border-radius: 12px;
  }

  .window-topbar {
    padding-inline: 12px;
  }

  .window-path {
    display: none;
  }

  .run-state {
    margin-left: auto;
  }

  .context-graph {
    height: 450px;
  }

  .graph-heading {
    top: 17px;
    left: 15px;
  }

  .graph-heading strong {
    font-size: 12px;
  }

  .graph-tag {
    top: 17px;
    right: 15px;
  }

  .context-node {
    padding: 9px 8px 8px;
  }

  .graph-network {
    inset: 72px 14px 18px;
    grid-template-columns:
      68px
      minmax(28px, 1fr)
      84px
      minmax(28px, 1fr)
      68px;
    grid-template-rows: 68px minmax(36px, 1fr) 78px minmax(36px, 1fr) 68px;
  }

  .context-node strong {
    font-size: 9px;
  }

  .node-symbol {
    margin-bottom: 5px;
    transform: scale(.76);
  }

  .symbol-approval {
    transform: rotate(45deg) scale(.82);
  }

  .node-order {
    width: 68px;
    height: 68px;
  }

  .node-port {
    width: 68px;
    height: 68px;
  }

  .node-container {
    width: 68px;
    height: 68px;
  }

  .node-agent {
    width: 84px;
    height: 78px;
  }

  .node-approval {
    width: 68px;
    height: 68px;
  }

  .node-wordmark {
    width: 58px;
  }

  .graph-safety {
    display: none;
  }

  .window-footer {
    padding-inline: 16px 12px;
  }

  .footer-signal span:last-child {
    display: none;
  }

  .capability-rail {
    grid-template-columns: 1fr;
    margin-top: 60px;
  }

  .capability-rail span {
    border-bottom: 1px solid var(--line);
  }

  .capability-rail span {
    border-right: 0;
  }

  .section {
    padding: 88px 0;
  }

  .section-heading h2,
  .research-intro h2,
  .foundation-copy h2,
  .interface-copy h2 {
    max-width: 100%;
    font-size: var(--type-section);
    line-height: 1.04;
    letter-spacing: -.045em;
  }

  .section-title-tail {
    display: block;
    margin-top: .08em;
    text-wrap: balance;
  }

  .heading-copy {
    padding-left: 20px;
    font-size: 16px;
    line-height: 1.7;
  }

  .heading-copy::before {
    height: 28px;
  }

  .runtime-steps {
    grid-template-columns: 1fr;
    margin-top: 52px;
  }

  .runtime-steps li {
    min-height: 230px;
  }

  .runtime-steps li {
    border-right: 0;
    border-bottom: 1px solid var(--dark-line);
  }

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

  .context-copy h2 {
    font-size: clamp(39px, 12vw, 52px);
  }

  .object-map {
    min-height: 520px;
  }

  .map-node {
    min-width: 104px;
    padding: 8px 9px;
    font-size: 9px;
  }

  .object-map .node-center {
    min-width: 140px;
  }

  .object-map .node-order { top: 8%; left: 4%; }
  .object-map .node-container { top: 8%; right: 4%; }
  .object-map .node-bol { top: 43%; right: 1%; }
  .object-map .node-port { bottom: 8%; right: 5%; }
  .object-map .node-address { bottom: 7%; left: 4%; }
  .object-map .node-driver { top: 31%; left: 1%; }
  .object-map .node-alert { bottom: 25%; left: 29%; }
  .object-map .node-rule { top: 20%; left: 35%; }

  .orbit-one {
    width: 270px;
    height: 190px;
  }

  .orbit-two {
    width: 430px;
    height: 330px;
  }

  .agent-concepts {
    grid-template-columns: 1fr;
    margin-top: 52px;
  }

  .featured-agent {
    grid-column: auto;
  }

  .agent-card {
    min-height: 300px;
  }

  .interface-panel {
    min-height: 460px;
    padding: 24px 18px;
  }

  .console-list li {
    grid-template-columns: 26px 1fr;
  }

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

  .console-list b {
    grid-column: 2;
  }

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

  .fact-inline {
    grid-template-columns: repeat(2, 1fr);
    gap: 22px 0;
  }

  .research-list > div {
    grid-template-columns: 42px 1fr;
  }

  .research-list i {
    grid-column: 2;
  }

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

  .fact-grid > div {
    min-height: 150px;
  }

  .fact-grid dt {
    margin-top: 22px;
  }

  .final-cta h2 {
    max-width: 100%;
    font-size: var(--type-cta);
    line-height: .96;
  }

  .final-cta {
    padding-block: 76px 88px;
  }

  .beta-access-watermark {
    right: -.02em;
    bottom: -.08em;
    font-size: 54vw;
  }

  .beta-access-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .beta-access-main {
    padding-top: 42px;
  }

  .beta-access-title > p {
    margin-bottom: 22px;
  }

  .beta-access-card {
    min-height: 0;
    padding: 26px 22px 28px;
    border-radius: 16px;
  }

  .beta-access-card-head {
    margin-bottom: 42px;
  }

  .beta-access-copy > p {
    font-size: 15px;
    line-height: 1.75;
  }

  .beta-access-email {
    grid-template-columns: minmax(0, 1fr) 46px;
    margin-top: 30px;
  }

  .beta-access-email strong {
    font-size: clamp(26px, 8vw, 34px);
  }

  .beta-access-email i {
    width: 46px;
    height: 46px;
  }

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

  .copyright {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }

  [data-reveal],
  .context-node,
  .graph-safety {
    opacity: 1 !important;
    transform: none !important;
  }

  .context-link {
    opacity: 1 !important;
    transform: scaleX(1) !important;
  }

  .link-order,
  .link-approval {
    transform: scaleY(1) !important;
  }

  .link-packet {
    display: none;
  }

  .agent-window.is-online .node-core,
  .agent-window.is-online .symbol-agent::before,
  .agent-window.is-online .symbol-agent::after,
  .agent-window.is-online .signal-bars i {
    animation: none !important;
  }

  .hero-video {
    opacity: 0;
  }
}