:root {
  --bg: #050505;
  --bg-2: #0b0b0b;
  --panel: #141412;
  --panel-2: #1a1a18;
  --text: #f5f5f0;
  --muted: #a7a7a0;
  --dim: #72726b;
  --line: #34342f;
  --line-strong: #4a4a44;
  --accent: #ff9933;
  --accent-2: #d96f00;
  --max: 1180px;
  --gutter: clamp(18px, 4vw, 48px);
  --section: clamp(72px, 10vw, 132px);
  --radius: 8px;
  --sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  color: var(--text);
  font-family: var(--sans);
  background:
    linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    var(--bg);
  background-size: 44px 44px;
  line-height: 1.5;
  letter-spacing: 0;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 138, 0, 0.08), transparent 28%),
    linear-gradient(180deg, transparent 0%, rgba(5, 5, 5, 0.9) 64%);
}

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

button {
  font: inherit;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 20;
  padding: 10px 12px;
  color: var(--bg);
  background: var(--text);
  transform: translateY(-150%);
}

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

.shell {
  width: min(var(--max), calc(100% - (var(--gutter) * 2)));
  margin-inline: auto;
}

.section {
  padding-block: var(--section);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(5, 5, 5, 0.88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.nav {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  min-height: 66px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
  text-transform: lowercase;
}

.brand-mark,
.eyebrow span {
  color: var(--accent);
}

.cursor {
  display: inline-block;
  width: 8px;
  height: 1.1em;
  background: var(--accent);
  transform: translateY(2px);
  animation: blink 1.1s steps(1) infinite;
}

.nav-meta {
  margin: 0;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 11px;
  justify-self: start;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
}

.nav-menu a {
  padding-block: 8px;
}

.nav-menu a:hover,
.nav-menu a:focus-visible {
  color: var(--text);
}

.nav-cta,
.button {
  border: 1px solid var(--line-strong);
  border-radius: 2px;
}

.nav-cta {
  padding: 8px 12px;
}

.nav-cta:hover,
.nav-cta:focus-visible {
  color: var(--bg);
  background: var(--accent);
  border-color: var(--accent);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 38px;
  padding: 0;
  color: var(--text);
  background: transparent;
  border: 1px solid var(--line);
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 18px;
  height: 1px;
  margin: 5px auto;
  background: currentColor;
}

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

.hero {
  min-height: calc(100vh - 66px);
  padding-block: clamp(56px, 8vw, 108px);
  display: grid;
  align-items: center;
  border-top: 0;
}

.hero-grid,
.two-col,
.system-layout,
.sovereign-grid,
.join-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  gap: clamp(32px, 6vw, 76px);
  align-items: center;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
}

.eyebrow span {
  width: 8px;
  height: 8px;
  background: currentColor;
  box-shadow: 0 0 18px rgba(255, 138, 0, 0.65);
}

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

h1,
h2 {
  max-width: 980px;
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: 0;
}

h1 {
  margin-bottom: 24px;
  font-size: clamp(48px, 8vw, 108px);
}

h2 {
  margin-bottom: 22px;
  font-size: clamp(34px, 5vw, 68px);
}

h3 {
  font-size: 15px;
  line-height: 1.2;
}

.lead {
  max-width: 720px;
  color: var(--text);
  font-size: clamp(18px, 2vw, 22px);
}

.support,
.section-copy p,
.section-header p,
.final-cta p {
  color: var(--muted);
  font-size: 16px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 12px 16px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  transition: transform 180ms var(--ease), background 180ms var(--ease), border 180ms var(--ease);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button.primary {
  color: var(--bg);
  background: var(--text);
  border-color: var(--text);
}

.button.primary:hover,
.button.primary:focus-visible {
  background: var(--accent);
  border-color: var(--accent);
}

.button.secondary {
  color: var(--text);
  background: transparent;
}

.button.secondary:hover,
.button.secondary:focus-visible {
  border-color: var(--accent);
}

.command-console,
.loop-panel,
.terminal-input,
.comparison,
.fusion-diagram,
.stack,
.architecture-note {
  border: 1px solid var(--line-strong);
  background: linear-gradient(180deg, rgba(26, 26, 24, 0.92), rgba(11, 11, 11, 0.96));
}

.command-console {
  position: relative;
  overflow: hidden;
  min-height: 590px;
}

.command-console::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: linear-gradient(to bottom, black, transparent 90%);
}

.console-top,
.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
}

.console-top {
  position: relative;
  z-index: 1;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

.panel-head b {
  color: var(--accent);
  font-weight: 600;
}

.console-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding: 12px;
}

.panel {
  min-height: 168px;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(5, 5, 5, 0.72);
}

.map-panel {
  min-height: 260px;
}

.source-panel,
.log-panel {
  min-height: 214px;
}

.scenario-tree {
  display: grid;
  gap: 18px;
  margin-top: 26px;
}

.scenario-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 12px;
  align-items: center;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
}

.scenario-row i {
  height: 1px;
  background: var(--line-strong);
}

.scenario-row.stress i {
  width: 72%;
}

.scenario-row.active {
  color: var(--text);
}

.scenario-row.active i {
  height: 2px;
  background: var(--accent);
  box-shadow: 0 0 24px rgba(255, 138, 0, 0.35);
}

.map-grid {
  position: relative;
  height: 205px;
  margin-top: 14px;
  border: 1px solid var(--line);
  background:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 31px 31px;
}

.node {
  position: absolute;
  width: 9px;
  height: 9px;
  border: 1px solid var(--accent);
  background: var(--bg);
}

.n1 {
  top: 26%;
  left: 22%;
}

.n2 {
  top: 56%;
  left: 62%;
}

.n3 {
  top: 70%;
  left: 36%;
}

.path {
  position: absolute;
  height: 1px;
  background: var(--accent);
  transform-origin: left center;
  opacity: 0.7;
}

.p1 {
  top: 31%;
  left: 25%;
  width: 48%;
  transform: rotate(31deg);
}

.p2 {
  top: 70%;
  left: 39%;
  width: 32%;
  transform: rotate(-25deg);
}

.source-panel ul,
.compare-card ul {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
}

.source-panel li,
.compare-card li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  color: var(--muted);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-family: var(--mono);
  font-size: 12px;
}

.source-panel li span,
.compare-card:not(.muted) li::before {
  width: 6px;
  height: 6px;
  background: var(--accent);
  content: "";
}

.log-panel p {
  margin: 12px 0 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
}

.log-panel .accent {
  color: var(--accent);
}

.mission-strip {
  padding-block: clamp(28px, 5vw, 52px);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  background: #020202;
}

.mission-strip h2 {
  max-width: none;
  margin-bottom: 28px;
  font-family: var(--mono);
  font-size: clamp(18px, 2.2vw, 28px);
  font-weight: 600;
  line-height: 1.35;
}

.mission-strip h2 span {
  color: var(--accent);
}

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.pillars article,
.compare-card,
.capability-grid article,
.card-grid article,
.principles article,
.manifesto-grid article {
  background: var(--bg-2);
}

.pillars article {
  padding: 20px;
}

.pillars h3,
.compare-card h3,
.loop-panel h3,
.capability-grid h3,
.card-grid h3,
.principles h3,
.manifesto-grid h3 {
  margin-bottom: 10px;
  font-family: var(--mono);
}

.pillars p,
.compare-card li,
.capability-grid p,
.card-grid p,
.principles p,
.manifesto-grid p,
.loop-panel span,
.architecture-note,
.terminal-input,
.site-footer {
  color: var(--muted);
}

.comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-self: stretch;
}

.compare-card {
  padding: clamp(20px, 3vw, 30px);
}

.compare-card + .compare-card {
  border-left: 1px solid var(--line-strong);
}

.compare-card:not(.muted) h3,
.compare-card:not(.muted) li {
  color: var(--text);
}

.system-layout {
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.78fr);
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.tag-cloud span,
.role-list span {
  padding: 8px 10px;
  color: var(--muted);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
  font-family: var(--mono);
  font-size: 11px;
}

.loop-panel {
  padding: clamp(22px, 4vw, 34px);
}

.loop-panel ol {
  display: grid;
  gap: 18px;
  padding: 0;
  margin: 24px 0 0;
  list-style: none;
  counter-reset: loop;
}

.loop-panel li {
  position: relative;
  padding-left: 44px;
  counter-increment: loop;
}

.loop-panel li::before {
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-family: var(--mono);
  content: "0" counter(loop);
}

.loop-panel b,
.loop-panel span {
  display: block;
}

.section-header {
  max-width: 880px;
  margin-bottom: clamp(30px, 5vw, 56px);
}

.fusion-layout {
  display: grid;
  grid-template-columns: minmax(340px, 0.85fr) 1fr;
  gap: 26px;
  align-items: stretch;
}

.fusion-diagram {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 18px;
  min-height: 410px;
  padding: 22px;
  align-items: center;
}

.sources,
.outputs {
  display: grid;
  gap: 12px;
}

.sources span,
.outputs span,
.harness {
  border: 1px solid var(--line-strong);
  background: rgba(5, 5, 5, 0.72);
  font-family: var(--mono);
}

.sources span,
.outputs span {
  padding: 12px;
  color: var(--muted);
  font-size: 11px;
}

.outputs span {
  color: var(--text);
  border-color: rgba(255, 138, 0, 0.42);
}

.harness {
  display: grid;
  place-items: center;
  width: 142px;
  aspect-ratio: 1;
  color: var(--text);
}

.harness p {
  margin: 0;
  font-size: 12px;
}

.harness i {
  position: absolute;
  width: 76px;
  height: 1px;
  background: var(--accent);
}

.capability-grid,
.card-grid,
.principles,
.manifesto-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

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

.capability-grid article,
.card-grid article,
.principles article,
.manifesto-grid article {
  padding: clamp(18px, 3vw, 26px);
}

.capability-grid article:last-child {
  grid-column: 1 / -1;
}

.stack {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 18px;
}

.stack::before {
  position: absolute;
  top: 28px;
  bottom: 28px;
  left: 36px;
  width: 2px;
  background: var(--accent);
  content: "";
}

.stack article {
  position: relative;
  display: grid;
  grid-template-columns: 48px minmax(170px, 0.45fr) 1fr;
  gap: 18px;
  align-items: center;
  padding: 18px;
  background: rgba(5, 5, 5, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.stack span,
.manifesto-grid span {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 12px;
}

.stack h3,
.stack p {
  margin: 0;
}

.stack h3 {
  font-family: var(--mono);
  font-size: 14px;
}

.stack p {
  color: var(--muted);
}

.architecture-note {
  margin: 18px 0 0;
  padding: 18px;
  font-family: var(--mono);
  font-size: 13px;
}

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

.sovereign {
  position: relative;
  overflow: hidden;
}

.sovereign::before {
  position: absolute;
  inset: 10% -10% auto auto;
  width: 55vw;
  height: 55vw;
  max-width: 720px;
  max-height: 720px;
  content: "";
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 38px 38px;
  transform: rotate(-8deg);
}

.sovereign-grid {
  position: relative;
  grid-template-columns: 0.85fr 1fr;
}

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

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

.join-grid {
  grid-template-columns: 0.85fr 1fr;
}

.terminal-input {
  padding: clamp(22px, 4vw, 36px);
  font-family: var(--mono);
}

.terminal-input > p {
  color: var(--text);
  overflow-wrap: anywhere;
}

.role-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.final-cta {
  padding-block: clamp(86px, 14vw, 162px);
  border-top: 1px solid var(--line-strong);
  background: #020202;
}

.final-cta .shell {
  max-width: 900px;
  margin-inline: auto;
}

.final-cta h2 {
  font-size: clamp(42px, 7vw, 92px);
}

.command-line {
  margin-block: 30px;
  padding: 16px;
  border: 1px solid var(--line);
  font-family: var(--mono);
  overflow-wrap: anywhere;
}

.site-footer {
  padding-block: 28px;
  border-top: 1px solid var(--line-strong);
  background: var(--bg);
  font-family: var(--mono);
  font-size: 12px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr auto;
  gap: 22px;
  align-items: start;
}

.footer-brand {
  margin-bottom: 10px;
}

.footer-links {
  display: flex;
  gap: 14px;
}

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

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

@media (max-width: 1080px) {
  .hero-grid,
  .two-col,
  .system-layout,
  .fusion-layout,
  .sovereign-grid,
  .join-grid {
    grid-template-columns: 1fr;
  }

  .command-console {
    min-height: auto;
  }

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

  .manifesto-grid article:last-child,
  .card-grid article:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 820px) {
  .nav {
    grid-template-columns: auto 1fr auto;
  }

  .nav-meta {
    justify-self: center;
  }

  .nav-toggle {
    display: block;
    justify-self: end;
  }

  .nav-menu {
    position: absolute;
    top: 66px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px var(--gutter) 18px;
    background: rgba(5, 5, 5, 0.98);
    border-bottom: 1px solid var(--line-strong);
  }

  .nav-menu.is-open {
    display: flex;
  }

  .nav-menu a {
    padding: 13px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav-cta {
    margin-top: 10px;
    padding-inline: 12px;
    text-align: center;
  }

  .pillars,
  .comparison,
  .capability-grid,
  .principles {
    grid-template-columns: 1fr;
  }

  .compare-card + .compare-card {
    border-left: 0;
    border-top: 1px solid var(--line-strong);
  }

  .fusion-diagram {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .harness {
    width: 100%;
    aspect-ratio: auto;
    min-height: 112px;
  }

  .stack::before {
    display: none;
  }

  .stack article {
    grid-template-columns: 42px 1fr;
  }

  .stack p {
    grid-column: 2;
  }

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

@media (max-width: 620px) {
  .shell {
    width: min(var(--max), calc(100% - 32px));
  }

  .nav-meta {
    display: none;
  }

  .hero {
    min-height: auto;
  }

  .console-grid,
  .card-grid,
  .manifesto-grid {
    grid-template-columns: 1fr;
  }

  .console-top {
    flex-direction: column;
    gap: 4px;
  }

  .scenario-row {
    grid-template-columns: 96px 1fr;
  }

  .hero-actions,
  .footer-links {
    flex-direction: column;
    align-items: stretch;
  }

  .button,
  .footer-links a {
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}