:root {
  color-scheme: light;
  --paper: #f6f8fc;
  --paper-blue: #eef3fd;
  --surface: #ffffff;
  --ink: #172033;
  --ink-soft: #44506a;
  --muted: #6a758b;
  --line: #dce3ee;
  --line-strong: #cad3e2;
  --signal: #2f63e8;
  --signal-dark: #234fc0;
  --navy: #141d33;
  --navy-soft: #202b46;
  --patent: #fff1c9;
  --patent-ink: #815913;
  --success: #12996f;
  --danger: #d25454;
  --purple: #7c3aed;
  --amber: #e2a510;
  --gold: #c48a1a;
  --radius-sm: 8px;
  --radius-md: 12px;
  --font-sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-family: var(--font-sans);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
  background: var(--paper);
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

body, button, input { font: inherit; }

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

h1, h2, h3, p, dl, dd, blockquote { margin: 0; }

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

:focus-visible {
  outline: 3px solid rgba(47, 99, 232, .38);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: -80px;
  left: 18px;
  z-index: 100;
  padding: 11px 16px;
  border-radius: var(--radius-sm);
  background: var(--ink);
  color: #fff;
}

.skip-link:focus { top: 14px; }

.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;
}

.patent-ribbon {
  display: flex;
  min-height: 34px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 7px 20px;
  border-bottom: 1px solid #f0d899;
  background: var(--patent);
  color: var(--patent-ink);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .1em;
  text-align: center;
  text-transform: uppercase;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(220, 227, 238, .92);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(16px);
}

.nav-shell {
  display: grid;
  width: min(1240px, calc(100% - 48px));
  min-height: 70px;
  margin: 0 auto;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -.02em;
  white-space: nowrap;
}

.brand img {
  display: block;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.brand > span { font-size: 18px; }
.brand > span > span { color: var(--signal); }
.brand sup { margin-left: 2px; color: var(--muted); font-size: 7px; vertical-align: super; }

.nav-shell nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 26px;
}

.nav-shell nav a {
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 600;
}

.nav-shell nav a:hover { color: var(--signal); }

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid var(--signal);
  border-radius: var(--radius-sm);
  background: var(--signal);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  transition: background .18s ease, border-color .18s ease, transform .18s ease;
}

.button:hover { border-color: var(--signal-dark); background: var(--signal-dark); transform: translateY(-1px); }
.button:disabled { cursor: wait; opacity: .68; transform: none; }
.button-small { min-height: 38px; padding: 0 16px; font-size: 12px; }

.eyebrow {
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .1em;
  line-height: 1.4;
  text-transform: uppercase;
}

.hero {
  display: grid;
  width: min(1240px, calc(100% - 48px));
  min-height: 680px;
  margin: 0 auto;
  grid-template-columns: minmax(0, .92fr) minmax(500px, 1.08fr);
  align-items: center;
  gap: clamp(48px, 7vw, 96px);
  padding: 88px 0 76px;
}

.hero-copy { max-width: 560px; }

.hero h1 {
  max-width: 590px;
  margin-top: 22px;
  font-size: clamp(50px, 5vw, 76px);
  font-weight: 600;
  letter-spacing: -.055em;
  line-height: .98;
  text-wrap: balance;
}

.hero-lede {
  max-width: 560px;
  margin-top: 30px;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.72;
}

.hero-lede strong { color: var(--ink); font-weight: 700; }

.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; margin-top: 32px; }

.text-link { color: var(--signal); font-size: 13px; font-weight: 700; }
.text-link:hover { color: var(--signal-dark); }

.hero-proof {
  margin-top: 28px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.architecture-card {
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: 0 28px 80px rgba(23, 32, 51, .09);
}

.architecture-head { padding: 24px 26px 16px; border-bottom: 1px solid var(--line); }
.architecture-head p, .architecture-note {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.architecture-head h2 { margin-top: 8px; font-size: 17px; font-weight: 700; letter-spacing: -.025em; }

.architecture-map {
  position: relative;
  display: grid;
  min-height: 350px;
  grid-template-columns: 1fr 118px 1fr;
  grid-template-rows: repeat(3, 1fr);
  gap: 12px 18px;
  align-items: center;
  padding: 24px;
  background: var(--paper-blue);
}

.architecture-map::before,
.architecture-map::after {
  content: "";
  position: absolute;
  top: 18%;
  bottom: 18%;
  width: 1px;
  background: #cbd6eb;
}
.architecture-map::before { left: calc(50% - 59px); }
.architecture-map::after { right: calc(50% - 59px); }

.architecture-node {
  position: relative;
  z-index: 2;
  display: grid;
  min-width: 0;
  grid-template-columns: 8px minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .96);
}

.architecture-node::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 18px;
  height: 1px;
  background: #cbd6eb;
}

.node-gate::after, .node-research::after { right: -19px; }
.node-review::after, .node-context::after, .node-routing::after { left: -19px; }
.node-gate { grid-column: 1; grid-row: 1; }
.node-research { grid-column: 1; grid-row: 3; }
.node-review { grid-column: 3; grid-row: 1; }
.node-context { grid-column: 3; grid-row: 2; }
.node-routing { grid-column: 3; grid-row: 3; }

.architecture-node strong, .architecture-node small { display: block; }
.architecture-node strong { font-size: 10px; line-height: 1.25; }
.architecture-node small { margin-top: 3px; color: var(--muted); font-size: 8px; line-height: 1.35; }
.architecture-node em { color: var(--muted); font-family: var(--font-mono); font-size: 7px; font-style: normal; text-transform: uppercase; }

.node-dot { width: 7px; height: 7px; border-radius: 50%; }
.dot-blue { background: var(--signal); }
.dot-purple { background: var(--purple); }
.dot-amber { background: var(--amber); }
.dot-gold { background: var(--gold); }
.dot-green { background: var(--success); }

.james-node {
  position: relative;
  z-index: 4;
  display: flex;
  grid-column: 2;
  grid-row: 1 / 4;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
}
.james-node img { border: 1px solid #d4def0; border-radius: 50%; box-shadow: 0 10px 30px rgba(47, 99, 232, .15); }
.james-node strong { margin-top: 9px; font-size: 11px; text-transform: uppercase; }
.james-node span { margin-top: 2px; color: var(--muted); font-family: var(--font-mono); font-size: 7px; letter-spacing: .08em; text-transform: uppercase; }

.refusal-path {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin: 0 22px 18px;
  padding: 14px 16px;
  border-left: 3px solid var(--signal);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--navy);
  color: #fff;
}
.refusal-path strong, .refusal-path span { display: block; }
.refusal-path strong { font-size: 10px; }
.refusal-path span { margin-top: 3px; color: #b7c2d7; font-size: 8px; }
.refusal-path em { color: #91abef; font-family: var(--font-mono); font-size: 7px; font-style: normal; letter-spacing: .06em; text-transform: uppercase; white-space: nowrap; }
.architecture-note { padding: 0 22px 20px; text-align: right; }

.proof-strip {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) 1.6fr;
  align-items: end;
  gap: 48px;
  padding: 54px max(24px, calc((100vw - 1240px) / 2));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.proof-intro h2 { margin-top: 11px; font-size: 22px; font-weight: 600; letter-spacing: -.035em; }
.proof-strip dl { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.proof-strip dl > div { display: flex; flex-direction: column-reverse; gap: 7px; border-left: 1px solid var(--line); padding-left: 20px; }
.proof-strip dt { color: var(--muted); font-size: 10px; }
.proof-strip dd { font-size: 34px; font-weight: 600; letter-spacing: -.05em; }
.proof-strip dd.signal { color: var(--signal); }

.technology {
  width: min(1240px, calc(100% - 48px));
  margin: 0 auto;
  padding: 108px 0 116px;
}

.section-heading {
  display: grid;
  grid-template-columns: 1fr .9fr;
  gap: 90px;
  align-items: end;
  padding-bottom: 44px;
}
.section-heading h2 { margin-top: 14px; font-size: clamp(36px, 4vw, 54px); font-weight: 600; letter-spacing: -.052em; line-height: 1.02; }
.section-heading > p { max-width: 520px; color: var(--ink-soft); font-size: 15px; line-height: 1.7; }
.section-heading--solo { grid-template-columns: 1fr; }
.section-heading--solo > div { max-width: 720px; }

.system-table {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
  list-style: none;
}
.system-table li {
  display: grid;
  grid-template-columns: 230px minmax(250px, .85fr) minmax(320px, 1.25fr);
  gap: 34px;
  align-items: center;
  min-height: 112px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
.system-table li > p { color: var(--signal); font-family: var(--font-mono); font-size: 9px; font-weight: 600; letter-spacing: .07em; text-transform: uppercase; }
.system-table h3 { font-size: 18px; font-weight: 600; letter-spacing: -.025em; }
.system-table li > div { color: var(--ink-soft); font-size: 13px; line-height: 1.65; }

.process { padding: 0 24px 116px; }
.process-shell {
  width: min(1360px, 100%);
  margin: 0 auto;
  padding: 72px clamp(28px, 5vw, 72px);
  border-radius: var(--radius-md);
  background: var(--navy);
  color: #fff;
}
.eyebrow-light { color: #91abef; }
.process-heading { display: grid; grid-template-columns: .9fr 1fr; column-gap: 70px; align-items: end; }
.process-heading .eyebrow { grid-column: 1 / -1; margin-bottom: 15px; }
.process-heading h2 { font-size: clamp(32px, 3.5vw, 48px); font-weight: 600; letter-spacing: -.045em; line-height: 1.05; }
.process-heading > p:last-child { color: #bac4d7; font-size: 14px; line-height: 1.7; }

.process-steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin: 64px 0 0;
  padding: 0;
  list-style: none;
}
.process-steps::before { content: ""; position: absolute; top: 16px; left: 7%; right: 7%; height: 1px; background: #3a4867; }
.process-steps li { position: relative; z-index: 2; min-width: 0; }
.process-steps li > span {
  display: inline-flex;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  border: 1px solid #53617f;
  border-radius: 50%;
  background: var(--navy-soft);
  color: #b8c5dd;
  font-family: var(--font-mono);
  font-size: 8px;
}
.process-steps li:nth-child(3) > span { border-color: var(--signal); background: var(--signal); color: #fff; }
.process-steps li:last-child > span { border-color: #fff; background: #fff; color: var(--navy); font-size: 14px; }
.process-steps strong, .process-steps small { display: block; }
.process-steps strong { margin-top: 18px; font-size: 12px; }
.process-steps small { max-width: 150px; margin-top: 6px; color: #9eabc2; font-size: 9px; line-height: 1.45; }

.stop-message {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-top: 42px;
  padding: 15px 18px;
  border: 1px solid #34405b;
  border-radius: var(--radius-sm);
  background: #1a2540;
}
.stop-icon { display: inline-flex; width: 22px; height: 22px; flex: 0 0 auto; align-items: center; justify-content: center; border-radius: 50%; background: #31405f; color: #ffcdcd; }
.stop-message p { color: #b9c5d9; font-size: 11px; line-height: 1.55; }
.stop-message strong { color: #fff; }

.origin {
  display: grid;
  width: min(1240px, calc(100% - 48px));
  margin: 0 auto;
  grid-template-columns: .85fr 1fr;
  gap: 110px;
  padding: 16px 0 112px;
}
.origin-heading h2 { max-width: 500px; margin-top: 16px; font-size: clamp(40px, 4.6vw, 64px); font-weight: 600; letter-spacing: -.055em; line-height: 1.02; }
.origin-copy > p { color: var(--ink-soft); font-size: 15px; line-height: 1.8; }
.origin blockquote {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 30px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
}
.origin blockquote > img { width: 38px; height: 38px; flex: 0 0 auto; border: 1px solid #d4def0; border-radius: 50%; box-shadow: 0 7px 20px rgba(47, 99, 232, .13); }
.origin blockquote strong { display: block; font-size: 12px; }
.origin blockquote p { margin-top: 4px; color: var(--muted); font-size: 10px; line-height: 1.5; }

.early-access {
  display: grid;
  width: min(1240px, calc(100% - 48px));
  margin: 0 auto 86px;
  grid-template-columns: 1fr .92fr;
  gap: 80px;
  align-items: center;
  padding: 52px 56px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: var(--surface);
}
.early-access h2 { margin-top: 13px; font-size: clamp(30px, 3vw, 44px); font-weight: 600; letter-spacing: -.045em; line-height: 1.08; }
.early-access > div > p:last-child { margin-top: 16px; color: var(--ink-soft); font-size: 14px; line-height: 1.65; }
.email-control { display: flex; gap: 10px; }
.email-control input { min-width: 0; flex: 1; height: 46px; padding: 0 15px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); background: #fff; color: var(--ink); font-size: 13px; }
.email-control input::placeholder { color: #939db0; }
.form-note { margin-top: 11px; color: var(--muted); font-size: 9px; line-height: 1.5; }
.form-status { min-height: 20px; margin-top: 8px; font-size: 11px; font-weight: 600; }
.form-status[data-state="success"] { color: var(--success); }
.form-status[data-state="error"] { color: var(--danger); }

.closing-statement {
  padding: 62px 24px;
  background: var(--navy);
  color: #fff;
}
.closing-statement p { width: min(1240px, 100%); margin: 0 auto; font-size: clamp(34px, 4vw, 56px); font-weight: 600; letter-spacing: -.045em; line-height: 1.08; }

.site-footer {
  display: flex;
  min-height: 132px;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  padding: 34px max(24px, calc((100vw - 1240px) / 2));
  border-top: 1px solid #27324b;
  background: var(--navy);
  color: #fff;
}
.brand-light img { border-color: #3b4660; }
.brand-light > span { font-size: 15px; }
.site-footer > div { text-align: right; }
.site-footer p { color: #8f9db7; font-family: var(--font-mono); font-size: 8px; line-height: 1.75; }

@media (max-width: 1020px) {
  .nav-shell { width: min(100% - 32px, 1240px); gap: 16px; }
  .nav-shell nav { gap: 14px; }
  .hero { width: min(100% - 40px, 760px); grid-template-columns: 1fr; padding-top: 70px; }
  .hero-copy { max-width: 650px; }
  .hero h1 { max-width: 660px; }
  .architecture-card { width: 100%; }
  .proof-strip { grid-template-columns: 1fr; gap: 32px; padding-right: 24px; padding-left: 24px; }
  .technology, .origin, .early-access { width: min(100% - 40px, 900px); }
  .system-table li { grid-template-columns: 160px minmax(220px, .8fr) 1.2fr; gap: 24px; }
  .origin { gap: 60px; }
  .early-access { gap: 44px; padding: 44px; }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 76px; }
  .patent-ribbon { font-size: 8px; }
  .nav-shell { min-height: 62px; grid-template-columns: 1fr auto; }
  .nav-shell nav { display: none; }
  .brand > span { font-size: 16px; }
  .button-small { min-height: 36px; padding: 0 13px; }
  .hero { width: min(100% - 32px, 560px); min-height: 0; gap: 48px; padding: 60px 0 68px; }
  .hero h1 { margin-top: 18px; font-size: clamp(44px, 13vw, 64px); }
  .hero-lede { margin-top: 24px; font-size: 15px; }
  .hero-proof { line-height: 1.6; }
  .architecture-head { padding: 22px 18px 15px; }
  .architecture-map { min-height: 0; grid-template-columns: 1fr; grid-template-rows: auto; gap: 9px; padding: 18px; }
  .architecture-map::before, .architecture-map::after, .architecture-node::after { display: none; }
  .james-node { grid-column: 1; grid-row: 1; flex-direction: row; justify-content: flex-start; gap: 10px; padding: 2px 0 8px; text-align: left; }
  .james-node img { width: 46px; height: 46px; }
  .james-node strong { margin: 0; }
  .architecture-node, .node-gate, .node-research, .node-review, .node-context, .node-routing { grid-column: 1; grid-row: auto; }
  .architecture-node { grid-template-columns: 8px minmax(0, 1fr) auto; }
  .refusal-path { align-items: flex-start; flex-direction: column; margin: 0 18px 16px; }
  .architecture-note { padding: 0 18px 18px; text-align: left; }
  .proof-strip { padding-top: 44px; padding-bottom: 44px; }
  .proof-strip dl { grid-template-columns: repeat(2, 1fr); row-gap: 28px; }
  .technology { width: min(100% - 32px, 560px); padding: 78px 0 84px; }
  .section-heading { grid-template-columns: 1fr; gap: 26px; }
  .section-heading h2 { font-size: 40px; }
  .system-table li { grid-template-columns: 1fr; gap: 8px; min-height: 0; padding: 24px 0; }
  .system-table li > div { font-size: 13px; }
  .process { padding: 0 16px 84px; }
  .process-shell { padding: 48px 22px; }
  .process-heading { grid-template-columns: 1fr; gap: 20px; }
  .process-steps { grid-template-columns: 1fr; gap: 24px; margin-top: 42px; }
  .process-steps::before { top: 0; bottom: 0; left: 16px; right: auto; width: 1px; height: auto; }
  .process-steps li { display: grid; grid-template-columns: 32px 1fr; column-gap: 14px; }
  .process-steps li > span { grid-row: 1 / 3; }
  .process-steps strong { margin: 2px 0 0; }
  .process-steps small { max-width: none; }
  .stop-message { align-items: flex-start; }
  .origin { width: min(100% - 32px, 560px); grid-template-columns: 1fr; gap: 38px; padding-bottom: 84px; }
  .origin-heading h2 { font-size: 46px; }
  .early-access { width: min(100% - 32px, 560px); grid-template-columns: 1fr; gap: 34px; margin-bottom: 66px; padding: 34px 24px; }
  .email-control { flex-direction: column; }
  .email-control input, .email-control .button { width: 100%; }
  .site-footer { align-items: flex-start; flex-direction: column; gap: 24px; }
  .site-footer > div { text-align: left; }
}

@media (max-width: 410px) {
  .brand > span { font-size: 15px; }
  .brand img { width: 30px; height: 30px; }
  .button-small { padding: 0 11px; font-size: 11px; }
  .hero h1 { font-size: 44px; }
  .actions { align-items: stretch; flex-direction: column; gap: 16px; }
  .actions .button { width: 100%; }
  .text-link { text-align: center; }
  .proof-strip dl { grid-template-columns: 1fr 1fr; }
}

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