:root {
  --ink: #17221d;
  --ink-soft: #53635b;
  --ink-muted: #596961;
  --paper: #f7f6f0;
  --paper-deep: #eeede5;
  --white: #fff;
  --forest: #123d31;
  --forest-2: #1b5744;
  --forest-3: #2d735b;
  --forest-dark: #0b2a22;
  --mint: #d8ebdf;
  --mint-bright: #bfe2cc;
  --mint-pale: #eef7f1;
  --saffron: #db7d2f;
  --saffron-pale: #fff0df;
  --amber: #9a6813;
  --amber-pale: #fff2cf;
  --coral: #a84c3e;
  --coral-pale: #fbe4df;
  --line: #dcded7;
  --line-strong: #c5cbc2;
  --shadow-sm: 0 1px 2px rgb(18 45 35 / 5%), 0 12px 34px rgb(18 45 35 / 6%);
  --shadow-lg: 0 30px 90px rgb(5 31 23 / 17%);
  --radius-sm: 10px;
  --radius: 18px;
  --radius-lg: 28px;
  --shell: 1180px;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open { overflow: hidden; }

a { color: inherit; }
button { font: inherit; }
button,
a { -webkit-tap-highlight-color: transparent; }
svg { display: block; }
img { max-width: 100%; }

::selection {
  color: var(--white);
  background: var(--forest-2);
}

.shell {
  width: min(calc(100% - 40px), var(--shell));
  margin-inline: auto;
}

.visually-hidden {
  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: 200;
  top: 8px;
  left: 8px;
  padding: 10px 15px;
  color: var(--white);
  background: var(--forest);
  border-radius: 8px;
  transform: translateY(-150%);
  transition: transform 160ms ease;
}

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

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  background: rgb(247 246 240 / 88%);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
  transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.site-header.scrolled {
  background: rgb(247 246 240 / 96%);
  border-color: var(--line);
  box-shadow: 0 8px 28px rgb(18 45 35 / 5%);
}

.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  gap: 30px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: 0 0 auto;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: var(--white);
  background: var(--forest);
  border-radius: 11px 11px 14px 14px;
  box-shadow: 0 7px 18px rgb(18 61 49 / 16%);
}

.brand-mark svg { width: 27px; height: 27px; }
.brand-mark .shield { fill: none; stroke: currentColor; stroke-width: 1.7; }
.brand-mark .check { fill: none; stroke: var(--mint-bright); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }

.brand-copy { display: flex; flex-direction: column; }
.brand-copy strong { font-size: 17px; line-height: 1.1; letter-spacing: -.025em; }
.brand-copy small { margin-top: 3px; color: var(--ink-muted); font-size: 9px; font-weight: 650; letter-spacing: .08em; }

.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 26px;
  flex: 1 1 auto;
}

.desktop-nav a,
.text-link {
  position: relative;
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 12px;
  font-weight: 650;
}

.desktop-nav a::after,
.text-link::after {
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 1px;
  content: "";
  background: var(--forest-3);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

.desktop-nav a:hover::after,
.desktop-nav a:focus-visible::after,
.text-link:hover::after,
.text-link:focus-visible::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 17px; }

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: 11px;
  text-decoration: none;
  font-size: 13px;
  font-weight: 760;
  letter-spacing: -.01em;
  transition: transform 160ms ease, box-shadow 160ms ease, color 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button:hover { transform: translateY(-2px); }
.button:focus-visible { outline: 3px solid rgb(45 115 91 / 28%); outline-offset: 3px; }
.button svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

.button-small { min-height: 39px; padding: 8px 13px; border-radius: 9px; font-size: 11px; }
.button-primary { color: var(--white); background: var(--forest); box-shadow: 0 13px 25px rgb(18 61 49 / 15%); }
.button-primary:hover { background: var(--forest-2); box-shadow: 0 16px 32px rgb(18 61 49 / 20%); }
.button-dark { color: var(--white); background: var(--forest-dark); }
.button-dark:hover { background: #143e33; }
.button-ghost { color: var(--forest); background: rgb(255 255 255 / 55%); border-color: var(--line-strong); }
.button-ghost:hover { background: var(--white); border-color: #aeb9af; }
.button-light { color: var(--forest-dark); background: var(--white); }
.button-light:hover { background: var(--mint-pale); }
.button-outline-light { color: var(--white); background: transparent; border-color: rgb(255 255 255 / 34%); }
.button-outline-light:hover { border-color: rgb(255 255 255 / 70%); background: rgb(255 255 255 / 7%); }

.menu-button {
  width: 42px;
  height: 42px;
  display: none;
  place-items: center;
  padding: 0;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
}

.menu-button > span:not(.visually-hidden) {
  position: absolute;
  width: 18px;
  height: 1.5px;
  background: currentColor;
  transition: transform 160ms ease;
}

.menu-button > span:nth-child(2) { transform: translateY(-4px); }
.menu-button > span:nth-child(3) { transform: translateY(4px); }
.menu-button[aria-expanded="true"] > span:nth-child(2) { transform: rotate(45deg); }
.menu-button[aria-expanded="true"] > span:nth-child(3) { transform: rotate(-45deg); }

.mobile-menu {
  position: absolute;
  z-index: 90;
  top: 100%;
  right: 0;
  left: 0;
  min-height: calc(100vh - 78px);
  padding-block: 20px;
  background: var(--paper);
  border-top: 1px solid var(--line);
}

.mobile-menu[hidden] { display: none; }
.mobile-menu .shell { display: flex; flex-direction: column; }
.mobile-menu a { padding: 17px 4px; color: var(--ink); border-bottom: 1px solid var(--line); text-decoration: none; font-size: 17px; font-weight: 700; }
.no-script-nav { display: none; }

.hero {
  position: relative;
  overflow: hidden;
  padding: 86px 0 0;
  isolation: isolate;
}

.hero::before {
  position: absolute;
  z-index: -3;
  top: -340px;
  right: -220px;
  width: 760px;
  height: 760px;
  content: "";
  background: radial-gradient(circle, rgb(191 226 204 / 56%) 0, rgb(191 226 204 / 16%) 48%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  position: absolute;
  z-index: -3;
  bottom: 80px;
  left: -280px;
  width: 600px;
  height: 600px;
  content: "";
  background: radial-gradient(circle, rgb(219 125 47 / 13%) 0, transparent 67%);
  border-radius: 50%;
}

.hero-grid {
  position: absolute;
  z-index: -2;
  inset: 0;
  opacity: .33;
  background-image: linear-gradient(rgb(18 61 49 / 7%) 1px, transparent 1px), linear-gradient(90deg, rgb(18 61 49 / 7%) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, #000, transparent 83%);
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(420px, .83fr);
  align-items: center;
  gap: 82px;
}

.hero-copy { padding-bottom: 36px; }

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  padding: 7px 11px;
  color: var(--forest-2);
  background: rgb(255 255 255 / 65%);
  border: 1px solid var(--line);
  border-radius: 99px;
  box-shadow: var(--shadow-sm);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.hero-kicker .dot { color: var(--saffron); }

h1,
h2,
h3,
p { text-wrap: pretty; }

.hero h1 {
  max-width: 730px;
  margin: 0;
  font-size: clamp(52px, 6.1vw, 82px);
  line-height: .98;
  letter-spacing: -.064em;
}

.hero h1 em,
.section-heading h2 em,
.roadmap-intro h2 em {
  color: var(--forest-3);
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -.045em;
}

.hero-lead {
  max-width: 655px;
  margin: 28px 0 0;
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.65;
}

.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 31px; }
.hero-note { max-width: 650px; margin: 19px 0 0; color: var(--ink-muted); font-size: 11px; line-height: 1.55; }

.hero-console {
  position: relative;
  overflow: hidden;
  background: rgb(255 255 255 / 91%);
  border: 1px solid rgb(197 203 194 / 80%);
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
}

.hero-console::after {
  position: absolute;
  z-index: -1;
  right: -70px;
  bottom: -70px;
  width: 220px;
  height: 220px;
  content: "";
  background: radial-gradient(circle, rgb(191 226 204 / 45%), transparent 70%);
}

.console-topbar {
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 19px;
  border-bottom: 1px solid var(--line);
  background: rgb(247 246 240 / 68%);
}

.console-title { display: inline-flex; align-items: center; gap: 8px; color: var(--ink-soft); font-size: 11px; font-weight: 750; }
.status-light { width: 7px; height: 7px; background: #49a16f; border-radius: 50%; box-shadow: 0 0 0 4px #e3f3e9; }
.console-version { color: var(--ink-muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 9px; }

.proposal-card { margin: 17px 17px 0; padding: 17px; background: var(--paper); border: 1px solid var(--line); border-radius: 14px; }
.proposal-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; }
.proposal-heading > div { display: flex; flex-direction: column; gap: 3px; }
.proposal-heading strong { font-size: 13px; }
.mini-label { color: var(--ink-muted); font-size: 8px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }

.status { display: inline-flex; align-items: center; justify-content: center; width: max-content; padding: 5px 8px; border-radius: 99px; font-size: 8px; font-weight: 850; letter-spacing: .055em; text-transform: uppercase; }
.status-review { color: #79520e; background: var(--amber-pale); }
.status-pass { color: var(--forest); background: var(--mint); }

.proposal-data { display: grid; grid-template-columns: 1fr 1fr; gap: 13px 20px; margin: 17px 0 0; padding-top: 14px; border-top: 1px solid var(--line); }
.proposal-data div { min-width: 0; }
.proposal-data dt { color: var(--ink-muted); font-size: 8px; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.proposal-data dd { margin: 2px 0 0; overflow: hidden; color: var(--ink); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.tick { color: var(--forest-3); }

.flow-list { margin: 0; padding: 13px 24px 11px; list-style: none; }
.flow-list li { position: relative; min-height: 48px; display: flex; align-items: center; gap: 12px; color: var(--ink-muted); }
.flow-list li::after { position: absolute; top: 34px; bottom: -13px; left: 12px; width: 1px; content: ""; background: var(--line); }
.flow-list li:last-child::after { display: none; }
.flow-list li > span { position: relative; z-index: 1; width: 25px; height: 25px; display: grid; place-items: center; flex: 0 0 auto; background: var(--paper-deep); border: 1px solid var(--line); border-radius: 50%; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 7px; font-weight: 800; }
.flow-list div { display: flex; flex-direction: column; }
.flow-list strong { color: inherit; font-size: 10px; }
.flow-list small { margin-top: 1px; font-size: 8px; }
.flow-list .flow-complete { color: var(--forest-2); }
.flow-list .flow-complete > span { color: var(--white); background: var(--forest-2); border-color: var(--forest-2); }
.flow-list .flow-current { color: var(--amber); }
.flow-list .flow-current > span { background: var(--amber-pale); border-color: #e6cc93; }

.rail-block { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 10px; margin: 0 17px 17px; padding: 12px; color: var(--coral); background: var(--coral-pale); border: 1px dashed #dcaa9f; border-radius: 12px; }
.rail-icon { width: 24px; height: 24px; display: grid; place-items: center; background: rgb(255 255 255 / 55%); border-radius: 50%; font-size: 17px; line-height: 1; }
.rail-block div { display: flex; flex-direction: column; }
.rail-block strong { font-size: 9px; }
.rail-block small { color: #7a4941; font-size: 7px; }
.rail-block code { padding: 4px 6px; background: rgb(255 255 255 / 52%); border-radius: 5px; font-size: 7px; }

.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 82px;
  border-top: 1px solid var(--line);
}

.proof-strip div { display: flex; align-items: baseline; gap: 9px; padding: 25px 22px; border-right: 1px solid var(--line); }
.proof-strip div:first-child { padding-left: 0; }
.proof-strip div:last-child { border-right: 0; }
.proof-strip strong { color: var(--forest); font-family: var(--serif); font-size: 28px; font-weight: 500; letter-spacing: -.045em; }
.proof-strip span { color: var(--ink-muted); font-size: 10px; font-weight: 700; line-height: 1.35; }

.boundary-banner { color: var(--white); background: var(--forest); }
.boundary-inner { min-height: 70px; display: flex; align-items: center; justify-content: center; gap: 16px; text-align: center; }
.boundary-inner p { margin: 0; color: #e2eee7; font-size: 13px; }
.boundary-inner strong { color: var(--white); }
.boundary-symbol { color: var(--mint-bright); font-family: var(--serif); font-size: 31px; line-height: 1; }

.section { padding-block: 110px; }

.section-heading { max-width: 760px; margin-bottom: 48px; }
.section-heading.centered { margin-inline: auto; text-align: center; }
.section-heading h2,
.architecture-copy h2,
.provenance-copy h2,
.roadmap-intro h2,
.developer-copy h2,
.cta-inner h2 {
  margin: 0;
  font-size: clamp(38px, 4.5vw, 57px);
  line-height: 1.06;
  letter-spacing: -.052em;
}

.section-heading > p:last-child,
.architecture-copy > p,
.provenance-copy > p,
.roadmap-intro > p,
.developer-copy > p,
.cta-inner > div > p:last-child {
  max-width: 650px;
  margin: 20px 0 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.7;
}

.eyebrow { margin: 0 0 12px; color: var(--forest-3); font-size: 9px; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow-light { color: var(--mint-bright); }
.split-heading { max-width: none; display: grid; grid-template-columns: 1.2fr .8fr; align-items: end; gap: 80px; }
.split-heading p { margin: 0 0 4px; }
.split-heading > p { color: var(--ink-soft); font-size: 14px; line-height: 1.7; }

.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line-strong); border-bottom: 1px solid var(--line-strong); }
.step-card { position: relative; min-height: 335px; padding: 35px 28px 31px; border-right: 1px solid var(--line-strong); }
.step-card:last-child { border-right: 0; }
.step-card::after { position: absolute; right: 0; bottom: 0; left: 0; height: 4px; content: ""; background: var(--forest-2); transform: scaleX(0); transform-origin: left; transition: transform 260ms ease; }
.step-card:hover::after { transform: scaleX(1); }
.step-number { position: absolute; top: 29px; right: 25px; color: var(--ink-muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 9px; }
.step-icon { width: 51px; height: 51px; display: grid; place-items: center; color: var(--forest); background: var(--mint-pale); border: 1px solid #d7e6dc; border-radius: 15px; }
.step-icon svg { width: 28px; height: 28px; fill: none; stroke: currentColor; stroke-width: 1.45; stroke-linecap: round; stroke-linejoin: round; }
.step-card h3 { margin: 49px 0 0; font-size: 21px; letter-spacing: -.035em; }
.step-card p { margin: 12px 0 0; color: var(--ink-soft); font-size: 12px; line-height: 1.7; }

.architecture-section { overflow: hidden; color: var(--white); background: var(--forest-dark); }
.architecture-section::before { position: absolute; }
.architecture-layout { display: grid; grid-template-columns: .78fr 1.22fr; align-items: center; gap: 85px; }
.architecture-copy > p { color: #b9cec3; }
.architecture-copy .check-list { margin: 29px 0 28px; padding: 0; list-style: none; }
.check-list li { position: relative; margin: 12px 0; padding-left: 27px; color: #dce9e2; font-size: 12px; }
.check-list li::before { position: absolute; top: 2px; left: 0; width: 17px; height: 17px; display: grid; place-items: center; content: "✓"; color: var(--forest-dark); background: var(--mint-bright); border-radius: 50%; font-size: 9px; font-weight: 900; }
.inline-link { display: inline-flex; align-items: center; gap: 7px; color: var(--forest-2); text-underline-offset: 5px; font-size: 12px; font-weight: 750; }
.light-link { color: var(--mint-bright); }

.architecture-map { position: relative; min-height: 470px; }
.map-source,
.map-evidence,
.map-rail { position: absolute; min-width: 130px; display: flex; flex-direction: column; align-items: center; padding: 18px 14px; background: #14372e; border: 1px solid #2a5749; border-radius: 15px; text-align: center; box-shadow: 0 14px 34px rgb(0 0 0 / 13%); }
.map-source > span,
.map-evidence > span,
.map-rail > span { width: 36px; height: 36px; display: grid; place-items: center; margin-bottom: 7px; color: var(--forest-dark); background: var(--mint-bright); border-radius: 50%; font-family: var(--serif); font-size: 15px; font-weight: 800; }
.map-source strong,
.map-evidence strong,
.map-rail strong { font-size: 10px; }
.map-source small,
.map-evidence small,
.map-rail small { margin-top: 2px; color: #98b2a6; font-size: 8px; }
.map-agent { top: 40px; left: 0; }
.map-human { right: 0; bottom: 55px; }
.map-evidence { top: 31px; right: 0; }
.map-evidence > span { color: var(--white); background: var(--forest-3); }
.map-rail { bottom: 34px; left: 0; color: #f4d4cc; background: #3a2421; border-color: #744b43; }
.map-rail > span { color: #5f3029; background: #efbdb2; }
.map-rail small { color: #c79a90; }

.map-core { position: absolute; z-index: 2; top: 50%; left: 50%; width: min(325px, 47%); padding: 27px; background: linear-gradient(145deg, #1b5543, #123d31); border: 1px solid #37745e; border-radius: 21px; box-shadow: 0 24px 55px rgb(0 0 0 / 25%); transform: translate(-50%, -50%); }
.map-core .mini-label { display: block; margin-bottom: 18px; color: #9bc5b0; }
.core-row { display: flex; align-items: center; justify-content: space-between; gap: 7px; }
.core-row strong { font-size: 10px; }
.core-row span { color: #8db3a2; font-size: 10px; }
.core-row-muted { justify-content: center; margin-top: 13px; padding-top: 13px; color: var(--mint-bright); border-top: 1px solid rgb(255 255 255 / 12%); }

.map-arrow { position: absolute; height: 1px; background: #3d6a5b; }
.map-arrow::after { position: absolute; top: -3px; right: -1px; width: 6px; height: 6px; content: ""; border-top: 1px solid #79a290; border-right: 1px solid #79a290; transform: rotate(45deg); }
.map-arrow-agent { top: 113px; left: 118px; width: 29%; transform: rotate(22deg); }
.map-arrow-human { right: 109px; bottom: 125px; width: 31%; transform: rotate(20deg); }
.map-arrow-human::after { right: auto; left: -1px; transform: rotate(225deg); }
.map-arrow-output { top: 121px; right: 121px; width: 28%; transform: rotate(-21deg); }
.map-blocked-line { position: absolute; bottom: 111px; left: 108px; width: 39%; height: 1px; border-top: 1px dashed #95685f; transform: rotate(-20deg); }
.map-blocked-line::before,
.map-blocked-line::after { position: absolute; top: -5px; right: -1px; width: 11px; height: 1px; content: ""; background: #d29b90; transform: rotate(45deg); }
.map-blocked-line::after { transform: rotate(-45deg); }
.map-blocked-line span { position: absolute; top: -21px; left: 40%; color: #c58e83; font-size: 8px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.feature-card { min-height: 270px; display: flex; flex-direction: column; padding: 28px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 10px 30px rgb(18 45 35 / 3%); transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease; }
.feature-card:hover { border-color: #bdc9bf; box-shadow: var(--shadow-sm); transform: translateY(-4px); }
.feature-card-large { grid-column: span 2; background: linear-gradient(120deg, var(--white), #f0f7f2); }
.feature-card-accent { color: #f2f7f4; background: var(--forest); border-color: var(--forest); }
.feature-tag { width: max-content; margin-bottom: auto; padding: 4px 7px; color: var(--forest-2); background: var(--mint); border-radius: 5px; font-size: 8px; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.feature-card-accent .feature-tag { color: var(--forest-dark); background: var(--mint-bright); }
.feature-card h3 { margin: 39px 0 0; font-size: 23px; letter-spacing: -.04em; }
.feature-card p { margin: 10px 0 0; color: var(--ink-soft); font-size: 12px; line-height: 1.7; }
.feature-card-accent p { color: #c1d5ca; }
.feature-card a { margin-top: 18px; color: var(--forest-2); font-size: 10px; font-weight: 780; text-underline-offset: 4px; }
.feature-card-accent a { color: var(--mint-bright); }
.feature-pills { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 20px; }
.feature-pills span { padding: 5px 8px; color: var(--ink-soft); background: var(--paper); border: 1px solid var(--line); border-radius: 99px; font-size: 8px; font-weight: 700; }

.evidence-section { background: var(--paper-deep); }
.evidence-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.evidence-card { padding: 31px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); }
.evidence-value { display: block; color: var(--forest); font-family: var(--serif); font-size: 55px; line-height: 1; letter-spacing: -.05em; }
.evidence-card h3 { margin: 21px 0 0; font-size: 16px; }
.evidence-card p { min-height: 56px; margin: 8px 0 22px; color: var(--ink-soft); font-size: 11px; line-height: 1.65; }
.evidence-state { display: inline-flex; align-items: center; gap: 7px; color: var(--forest-2); font-size: 9px; font-weight: 750; }
.evidence-state i { width: 7px; height: 7px; background: #49a16f; border-radius: 50%; box-shadow: 0 0 0 4px #e6f4eb; }

.evidence-detail { display: grid; grid-template-columns: .92fr 1.08fr; gap: 58px; margin-top: 15px; padding: 36px; background: var(--forest-dark); border-radius: var(--radius); }
.evidence-detail-copy { color: var(--white); }
.evidence-detail-copy h3 { margin: 18px 0 0; font-size: 22px; line-height: 1.3; letter-spacing: -.035em; }
.evidence-detail-copy code { color: var(--mint-bright); font-size: .9em; }
.evidence-detail-copy p { margin: 12px 0 0; color: #b7ccc1; font-size: 11px; line-height: 1.7; }
.evidence-links { display: grid; gap: 8px; }
.evidence-links a { display: grid; grid-template-columns: 40px 1fr; grid-template-rows: auto auto; column-gap: 12px; padding: 12px; color: var(--white); background: rgb(255 255 255 / 5%); border: 1px solid rgb(255 255 255 / 10%); border-radius: 10px; text-decoration: none; transition: background 160ms ease, border-color 160ms ease; }
.evidence-links a:hover { background: rgb(255 255 255 / 9%); border-color: rgb(255 255 255 / 19%); }
.evidence-links a > span { grid-row: span 2; width: 40px; height: 40px; display: grid; place-items: center; color: var(--mint-bright); background: rgb(191 226 204 / 10%); border-radius: 9px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 8px; font-weight: 850; }
.evidence-links strong { align-self: end; font-size: 10px; }
.evidence-links small { color: #91aa9e; font-size: 8px; }

.provenance-section { background: var(--white); }
.provenance-layout { display: grid; grid-template-columns: .72fr 1.28fr; align-items: center; gap: 90px; }
.provenance-mark { min-height: 370px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 16px; padding: 50px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-lg); }
.provenance-mark > span:not(.provenance-plus) { aspect-ratio: 1; display: grid; place-items: center; color: var(--white); background: var(--forest); border-radius: 50%; font-family: var(--serif); font-size: clamp(27px, 4vw, 48px); box-shadow: 0 18px 34px rgb(18 61 49 / 15%); }
.provenance-mark > span:last-child { color: var(--forest); background: var(--mint); }
.provenance-plus { color: var(--saffron); font-family: var(--serif); font-size: 31px; }
.provenance-copy > p { font-size: 13px; }
.provenance-copy .inline-link { margin-top: 12px; }

.roadmap-section { background: linear-gradient(160deg, #f2f5ef, var(--paper)); }
.roadmap-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 95px; }
.roadmap-intro { position: sticky; top: 115px; align-self: start; }
.roadmap-intro .button { margin-top: 28px; }
.roadmap-list { position: relative; }
.roadmap-list::before { position: absolute; top: 22px; bottom: 22px; left: 16px; width: 1px; content: ""; background: var(--line-strong); }
.roadmap-item { position: relative; display: grid; grid-template-columns: 34px 1fr; gap: 22px; padding-bottom: 38px; }
.roadmap-item:last-child { padding-bottom: 0; }
.roadmap-marker { position: relative; z-index: 1; width: 33px; height: 33px; display: grid; place-items: center; background: var(--paper); border: 1px solid var(--line-strong); border-radius: 50%; }
.roadmap-marker span { width: 9px; height: 9px; display: grid; place-items: center; background: var(--line-strong); border-radius: 50%; font-size: 8px; }
.roadmap-current .roadmap-marker { background: var(--forest); border-color: var(--forest); box-shadow: 0 0 0 6px var(--mint); }
.roadmap-current .roadmap-marker span { background: var(--mint-bright); }
.roadmap-blocked .roadmap-marker { color: var(--coral); background: var(--coral-pale); border-color: #dbb4ab; }
.roadmap-blocked .roadmap-marker span { width: auto; height: auto; background: transparent; }
.roadmap-item > div:last-child { padding: 4px 0 30px; border-bottom: 1px solid var(--line); }
.roadmap-item:last-child > div:last-child { border-bottom: 0; }
.roadmap-top { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.roadmap-top h3 { margin: 0; font-size: 17px; letter-spacing: -.03em; }
.roadmap-top span { flex: 0 0 auto; padding: 4px 7px; color: var(--ink-muted); background: var(--paper-deep); border-radius: 6px; font-size: 7px; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.roadmap-current .roadmap-top span { color: var(--forest); background: var(--mint); }
.roadmap-blocked .roadmap-top span { color: var(--coral); background: var(--coral-pale); }
.roadmap-item p { margin: 9px 0 0; color: var(--ink-soft); font-size: 11px; line-height: 1.7; }

.developer-section { color: var(--white); background: var(--forest); }
.developer-layout { display: grid; grid-template-columns: .8fr 1.2fr; align-items: center; gap: 86px; }
.developer-copy > p { color: #c2d6cb; }
.developer-links { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 27px; }
.developer-links a { color: var(--mint-bright); font-size: 10px; font-weight: 750; text-underline-offset: 4px; }
.code-window { overflow: hidden; color: #deebe4; background: #071d17; border: 1px solid #3a6858; border-radius: 17px; box-shadow: 0 25px 60px rgb(0 0 0 / 24%); }
.code-toolbar { min-height: 49px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 0 15px; color: #7e9b8e; background: #0b2b22; border-bottom: 1px solid #244c3e; font-size: 9px; }
.code-toolbar > div { display: flex; gap: 6px; }
.code-toolbar > div span { width: 8px; height: 8px; background: #40695b; border-radius: 50%; }
.code-toolbar > div span:first-child { background: #bf6557; }
.code-toolbar > div span:nth-child(2) { background: #d69b42; }
.code-toolbar > div span:last-child { background: #5d9b72; }
.code-toolbar > span { font-weight: 750; }
.code-toolbar button { justify-self: end; padding: 5px 8px; color: var(--mint-bright); background: transparent; border: 1px solid #315c4d; border-radius: 6px; cursor: pointer; font-size: 8px; }
.code-toolbar button:hover { background: #153b30; }
.code-window pre { margin: 0; padding: 29px; overflow-x: auto; font: 11px/1.9 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.code-comment { color: #759488; }
.code-footer { display: flex; align-items: center; gap: 9px; padding: 12px 16px; color: #839f93; background: #0b2b22; border-top: 1px solid #244c3e; font-size: 8px; }
.code-footer span { padding: 3px 5px; color: var(--forest-dark); background: var(--mint-bright); border-radius: 4px; font-weight: 850; text-transform: uppercase; }
.code-footer a { color: #d5e7de; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.code-footer small { margin-left: auto; }

.faq-layout { display: grid; grid-template-columns: .67fr 1.33fr; gap: 85px; }
.faq-list { border-top: 1px solid var(--line-strong); }
.faq-list details { border-bottom: 1px solid var(--line-strong); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 24px 0; cursor: pointer; font-size: 15px; font-weight: 720; letter-spacing: -.025em; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--forest-3); font-family: var(--serif); font-size: 24px; font-weight: 400; transition: transform 160ms ease; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { max-width: 690px; margin: -6px 0 24px; color: var(--ink-soft); font-size: 12px; line-height: 1.75; }

.cta-section { position: relative; overflow: hidden; color: var(--white); background: var(--forest-dark); }
.cta-pattern { position: absolute; inset: 0; opacity: .2; background-image: radial-gradient(circle at 1px 1px, #9ec3b2 1px, transparent 0); background-size: 24px 24px; mask-image: linear-gradient(90deg, transparent, #000 28%, #000 72%, transparent); }
.cta-section::before { position: absolute; top: -170px; left: 8%; width: 420px; height: 420px; content: ""; background: radial-gradient(circle, rgb(45 115 91 / 36%), transparent 69%); border-radius: 50%; }
.cta-inner { position: relative; min-height: 390px; display: flex; align-items: center; justify-content: space-between; gap: 70px; }
.cta-inner > div:first-child { max-width: 680px; }
.cta-inner > div > p:last-child { color: #b5cbc0; }
.cta-actions { display: flex; flex-direction: column; gap: 10px; flex: 0 0 auto; }

.site-footer { color: #d7e5de; background: #061b15; }
.footer-top { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; padding-block: 65px 52px; }
.site-footer .brand { color: var(--white); }
.site-footer .brand-copy small { color: #829e91; }
.footer-brand > p { max-width: 310px; margin: 18px 0 0; color: #8ca598; font-size: 11px; line-height: 1.7; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 35px; }
.footer-links div { display: flex; flex-direction: column; gap: 10px; }
.footer-links strong { margin-bottom: 4px; color: var(--white); font-size: 10px; }
.footer-links a { color: #8fa99c; font-size: 10px; text-decoration: none; }
.footer-links a:hover { color: var(--mint-bright); }
.footer-bottom { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 20px; color: #718b7f; border-top: 1px solid #18372c; font-size: 9px; }
.footer-warning { text-align: right; }

.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity 620ms ease, transform 620ms ease; }
.js .reveal[data-delay="1"] { transition-delay: 90ms; }
.js .reveal[data-delay="2"] { transition-delay: 180ms; }
.js .reveal[data-delay="3"] { transition-delay: 270ms; }
.js .reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1060px) {
  .desktop-nav { gap: 17px; }
  .desktop-nav a { font-size: 11px; }
  .hero-layout { gap: 45px; }
  .architecture-layout,
  .developer-layout { gap: 55px; }
  .provenance-layout,
  .roadmap-layout { gap: 65px; }
}

@media (max-width: 940px) {
  .desktop-nav,
  .desktop-only { display: none; }
  .header-actions { margin-left: auto; }
  .menu-button { position: relative; display: grid; }
  html:not(.js) .menu-button { display: none; }
  .no-script-nav { display: block; background: var(--paper); border-top: 1px solid var(--line); }
  .no-script-nav .shell { display: flex; flex-wrap: wrap; gap: 2px 18px; padding-block: 10px; }
  .no-script-nav a { padding: 8px 0; color: var(--ink); font-size: 12px; font-weight: 700; text-decoration: none; }
  .hero { padding-top: 67px; }
  .hero-layout { grid-template-columns: 1fr; }
  .hero-copy { max-width: 760px; }
  .hero-console { width: min(100%, 620px); margin-inline: auto; }
  .proof-strip { margin-top: 65px; }
  .steps-grid { grid-template-columns: 1fr 1fr; }
  .step-card:nth-child(2) { border-right: 0; }
  .step-card:nth-child(-n + 2) { border-bottom: 1px solid var(--line-strong); }
  .architecture-layout,
  .provenance-layout,
  .roadmap-layout,
  .developer-layout,
  .faq-layout { grid-template-columns: 1fr; }
  .architecture-copy,
  .provenance-copy,
  .roadmap-intro,
  .developer-copy { max-width: 720px; }
  .architecture-map { max-width: 700px; width: 100%; margin-inline: auto; }
  .provenance-mark { max-width: 620px; width: 100%; min-height: 280px; margin-inline: auto; }
  .roadmap-intro { position: static; }
  .developer-layout { gap: 55px; }
  .faq-layout { gap: 12px; }
  .faq-layout .section-heading { margin-bottom: 24px; }
  .footer-top { gap: 45px; }
}

@media (max-width: 720px) {
  .shell { width: min(calc(100% - 30px), var(--shell)); }
  .header-inner { min-height: 70px; }
  .mobile-menu { min-height: calc(100vh - 70px); }
  .hero { padding-top: 52px; }
  .hero h1 { font-size: clamp(45px, 13vw, 67px); }
  .hero-lead { font-size: 16px; }
  .hero-console { border-radius: 18px; }
  .proof-strip { grid-template-columns: 1fr 1fr; }
  .proof-strip div { border-bottom: 1px solid var(--line); }
  .proof-strip div:nth-child(2) { border-right: 0; }
  .proof-strip div:nth-child(3),
  .proof-strip div:nth-child(4) { border-bottom: 0; }
  .proof-strip div:nth-child(3) { padding-left: 0; }
  .boundary-inner { min-height: 82px; text-align: left; }
  .section { padding-block: 82px; }
  .section-heading h2,
  .architecture-copy h2,
  .provenance-copy h2,
  .roadmap-intro h2,
  .developer-copy h2,
  .cta-inner h2 { font-size: clamp(36px, 10vw, 49px); }
  .split-heading { grid-template-columns: 1fr; gap: 20px; }
  .steps-grid { grid-template-columns: 1fr; }
  .step-card { min-height: 255px; border-right: 0; border-bottom: 1px solid var(--line-strong); }
  .step-card:nth-child(3) { border-bottom: 1px solid var(--line-strong); }
  .step-card:last-child { border-bottom: 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card-large { grid-column: auto; }
  .feature-card { min-height: 250px; }
  .evidence-grid { grid-template-columns: 1fr; }
  .evidence-card p { min-height: 0; }
  .evidence-detail { grid-template-columns: 1fr; gap: 30px; padding: 27px; }
  .provenance-mark { min-height: 240px; padding: 35px; }
  .roadmap-layout { gap: 55px; }
  .code-window pre { padding: 22px; font-size: 9.5px; }
  .cta-inner { min-height: 450px; flex-direction: column; align-items: flex-start; justify-content: center; gap: 30px; }
  .cta-actions { width: 100%; flex-direction: row; flex-wrap: wrap; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { align-items: flex-start; flex-direction: column; justify-content: center; padding-block: 18px; }
  .footer-bottom p { margin: 0; }
  .footer-warning { text-align: left; }
}

@media (max-width: 480px) {
  .brand-copy small { display: none; }
  .hero-kicker { flex-wrap: wrap; border-radius: 13px; }
  .hero-kicker .dot { display: none; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .button { width: 100%; }
  .console-version { display: none; }
  .proposal-heading { flex-direction: column; }
  .rail-block { grid-template-columns: auto 1fr; }
  .rail-block code { grid-column: span 2; justify-self: stretch; text-align: center; }
  .proof-strip div { padding: 20px 10px; }
  .proof-strip strong { font-size: 24px; }
  .proof-strip span { font-size: 9px; }
  .architecture-map { min-height: 600px; }
  .map-agent { top: 0; left: 0; }
  .map-evidence { top: 0; right: 0; }
  .map-core { top: 50%; width: 90%; }
  .map-rail { bottom: 0; left: 0; }
  .map-human { right: 0; bottom: 0; }
  .map-arrow-agent { top: 128px; left: 22%; width: 35%; transform: rotate(50deg); }
  .map-arrow-output { top: 128px; right: 22%; width: 35%; transform: rotate(-50deg); }
  .map-arrow-human { right: 22%; bottom: 128px; width: 35%; transform: rotate(50deg); }
  .map-blocked-line { bottom: 127px; left: 21%; width: 36%; transform: rotate(-50deg); }
  .provenance-mark { grid-template-columns: 1fr; gap: 12px; }
  .provenance-mark > span:not(.provenance-plus) { width: 110px; justify-self: center; }
  .provenance-plus { line-height: 1; }
  .roadmap-top { align-items: flex-start; flex-direction: column; gap: 7px; }
  .developer-links { flex-direction: column; }
  .code-footer small { display: none; }
  .cta-actions { flex-direction: column; }
  .footer-links { grid-template-columns: 1fr 1fr; row-gap: 35px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header,
  .hero-ctas,
  .menu-button,
  .cta-section,
  .site-footer { display: none !important; }
  body { background: #fff; }
  .hero,
  .section { padding-block: 35px; }
  .js .reveal { opacity: 1; transform: none; }
  .architecture-section,
  .developer-section { color: #000; background: #fff; }
}
