:root {
  --ink: #0b0f0d;
  --ink-soft: #151b17;
  --paper: #f2f0e8;
  --paper-dim: #c8c9be;
  --signal: #c7ff5e;
  --signal-dark: #82af32;
  --line: rgba(242, 240, 232, 0.18);
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --serif: Georgia, "Times New Roman", serif;
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--paper);
  background:
    radial-gradient(circle at 82% 3%, rgba(199, 255, 94, 0.08), transparent 23rem),
    var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
::selection { color: var(--ink); background: var(--signal); }

.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;
  top: 0;
  left: 1rem;
  z-index: 100;
  padding: 0.8rem 1rem;
  color: var(--ink);
  background: var(--signal);
  transform: translateY(-120%);
}
.skip-link:focus { transform: translateY(0); }

.section-shell {
  width: min(calc(100% - 48px), var(--max));
  margin-inline: auto;
}
.section-pad { padding-block: clamp(5.5rem, 10vw, 10rem); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 0 3vw;
  border-bottom: 1px solid transparent;
  background: rgba(11, 15, 13, 0.74);
  backdrop-filter: blur(18px);
  transition: border-color 180ms ease;
}
.site-header.is-scrolled { border-color: var(--line); }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  color: var(--paper);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
}
.brand-mark { width: 32px; fill: none; stroke: var(--signal); stroke-width: 1.4; }
.brand-mark circle:first-child { fill: var(--signal); stroke: none; }

.site-nav { display: flex; align-items: center; gap: clamp(1rem, 2.5vw, 2.5rem); }
.site-nav a {
  color: var(--paper-dim);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}
.site-nav a:hover, .site-nav a:focus-visible { color: var(--signal); }
.site-nav .nav-cta {
  padding: 0.72rem 1rem;
  color: var(--ink);
  background: var(--signal);
}
.site-nav .nav-cta:hover, .site-nav .nav-cta:focus-visible { color: var(--ink); background: var(--paper); }
.menu-toggle { display: none; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
  gap: clamp(4rem, 8vw, 8rem);
  align-items: center;
  min-height: calc(100vh - 76px);
  padding-block: clamp(5rem, 9vw, 8.5rem);
}

.eyebrow {
  margin: 0 0 1.5rem;
  color: var(--signal);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1.4;
  text-transform: uppercase;
}
.pulse {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 0.55rem;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 0 rgba(199, 255, 94, 0.6);
  animation: pulse 2.4s infinite;
}
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(199, 255, 94, 0); } }

h1, h2, h3, p { margin-top: 0; }
h1 {
  margin-bottom: 2rem;
  font-size: clamp(4rem, 8.5vw, 8.2rem);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 0.86;
}
h1 em, h2 em { color: var(--signal); font-family: var(--serif); font-weight: 400; }
.hero-lede {
  max-width: 41rem;
  margin-bottom: 2.4rem;
  color: var(--paper-dim);
  font-size: clamp(1.05rem, 1.5vw, 1.3rem);
  line-height: 1.55;
}
.hero-actions { display: flex; align-items: center; gap: 2rem; flex-wrap: wrap; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1.6rem;
  min-height: 54px;
  padding: 0 1.35rem;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform 160ms ease, background 160ms ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--ink); background: var(--signal); }
.button-primary:hover { background: var(--paper); }
.text-link {
  color: var(--paper-dim);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}
.text-link:hover { color: var(--signal); }

.consequence-map {
  position: relative;
  min-height: 550px;
  padding: 1.5rem;
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(255,255,255,0.04), rgba(199,255,94,0.02));
}
.consequence-map::before {
  position: absolute;
  inset: 0;
  content: "";
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: 0.35;
  mask-image: linear-gradient(to bottom, black, transparent 90%);
}
.map-label { position: relative; color: var(--paper-dim); font-size: 0.68rem; letter-spacing: 0.14em; text-transform: uppercase; }
.map-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
  margin-top: 3.8rem;
}
.map-node {
  display: flex;
  flex-direction: column;
  min-height: 105px;
  padding: 1rem;
  border: 1px solid var(--line);
  background: rgba(11, 15, 13, 0.84);
}
.map-node span { color: var(--signal); font-size: 0.65rem; letter-spacing: 0.1em; }
.map-node strong { margin-top: auto; font-size: 0.95rem; }
.map-node small { margin-top: 0.35rem; color: var(--paper-dim); }
.node-c { grid-column: 1 / -1; min-height: 145px; border-color: var(--signal); background: var(--signal); color: var(--ink); }
.node-c span, .node-c small { color: var(--ink); }
.map-operator { color: var(--signal); font-family: var(--serif); font-size: 1.6rem; }
.map-trace { position: absolute; right: 1.5rem; bottom: 1.5rem; left: 1.5rem; display: flex; align-items: center; gap: 0.5rem; }
.map-trace span { width: 100%; height: 1px; background: var(--line); }
.map-trace i { width: 5px; height: 5px; flex: none; border-radius: 50%; background: var(--signal); }

.signal-strip { overflow: hidden; border-block: 1px solid var(--line); background: var(--signal); color: var(--ink); }
.signal-track {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(1.25rem, 3vw, 3.5rem);
  width: max-content;
  min-width: 100%;
  padding: 1rem 2rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.signal-track b { font-size: 1rem; font-weight: 400; }

.section-index { color: #777d75; font-size: 0.68rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
.thesis { display: grid; grid-template-columns: 0.35fr 1.25fr 0.55fr; gap: clamp(2rem, 6vw, 7rem); align-items: start; }
.thesis-copy h2, .section-heading h2, .method-intro h2, .cta-section h2 {
  margin-bottom: 2rem;
  font-size: clamp(2.8rem, 5.5vw, 5.4rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.98;
}
.thesis-copy > p:not(.eyebrow), .method-intro > p:not(.eyebrow) { color: var(--paper-dim); font-size: 1.05rem; line-height: 1.7; }
.thesis-note { padding-top: 2rem; border-top: 1px solid var(--signal); }
.thesis-note p { color: var(--paper-dim); font-family: var(--serif); font-size: 1.15rem; line-height: 1.5; }
.note-number { display: block; margin-bottom: 2.5rem; color: var(--signal); font-size: 2rem; }

.pilots { background: var(--paper); color: var(--ink); }
.section-heading { display: grid; grid-template-columns: 0.35fr 1.8fr; gap: 2rem; margin-bottom: 4rem; }
.pilots .eyebrow { color: var(--signal-dark); }
.pilot-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(11,15,13,0.25); border-left: 1px solid rgba(11,15,13,0.25); }
.pilot-card { min-height: 480px; padding: clamp(1.5rem, 3vw, 2.5rem); border-right: 1px solid rgba(11,15,13,0.25); border-bottom: 1px solid rgba(11,15,13,0.25); }
.card-top { display: flex; align-items: center; gap: 1rem; margin-bottom: 6rem; color: #60665d; font-size: 0.7rem; }
.card-top i { width: 6px; height: 6px; margin-left: auto; border-radius: 50%; background: var(--signal-dark); }
.pilot-card h3 { max-width: 15rem; margin-bottom: 1.4rem; font-family: var(--serif); font-size: 2rem; font-weight: 400; line-height: 1.05; }
.pilot-card > p { min-height: 6rem; color: #4f554d; line-height: 1.55; }
.pilot-card ul { margin: 2rem 0 0; padding: 1.2rem 0 0; list-style: none; border-top: 1px solid rgba(11,15,13,0.18); }
.pilot-card li { padding: 0.35rem 0; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; }
.pilot-card li::before { margin-right: 0.6rem; color: var(--signal-dark); content: "↳"; }

.method { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(4rem, 10vw, 10rem); }
.method-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.method-list li { display: grid; grid-template-columns: 4rem 1fr; gap: 1.25rem; padding: 1.5rem 0; border-bottom: 1px solid var(--line); }
.method-list li > span { color: var(--signal); font-size: 0.7rem; }
.method-list strong { display: block; margin-bottom: 0.45rem; font-family: var(--serif); font-size: 1.55rem; font-weight: 400; }
.method-list p { margin: 0; color: var(--paper-dim); font-size: 0.92rem; line-height: 1.5; }

.cta-section { position: relative; padding-bottom: clamp(7rem, 12vw, 12rem); text-align: center; }
.cta-section h2 { position: relative; margin-inline: auto; }
.cta-section .button { position: relative; }
.cta-orbit { position: absolute; top: 50%; left: 50%; width: min(70vw, 700px); aspect-ratio: 1; border: 1px solid var(--line); border-radius: 50%; transform: translate(-50%, -50%); }
.cta-orbit::after { position: absolute; inset: 18%; content: ""; border: 1px solid var(--line); border-radius: 50%; }
.cta-orbit span, .cta-orbit i, .cta-orbit b { position: absolute; display: block; border-radius: 50%; background: var(--signal); }
.cta-orbit span { top: 12%; left: 22%; width: 7px; height: 7px; }
.cta-orbit i { right: 9%; bottom: 30%; width: 4px; height: 4px; }
.cta-orbit b { right: 32%; bottom: 15%; width: 10px; height: 10px; }

.site-footer { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 2rem; align-items: end; padding-block: 2rem; border-top: 1px solid var(--line); }
.site-footer > p { margin: 0; color: var(--paper-dim); font-family: var(--serif); font-size: 0.92rem; }
.footer-meta { display: flex; justify-content: flex-end; gap: 1.5rem; color: #858a83; font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; }
.footer-meta a { color: var(--paper); text-decoration: none; }

@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; }
}

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .consequence-map { min-height: 470px; }
  .thesis { grid-template-columns: 1fr; }
  .thesis .section-index { margin-bottom: 1rem; }
  .thesis-note { max-width: 28rem; }
  .section-heading { grid-template-columns: 1fr; }
  .pilot-grid { grid-template-columns: 1fr; }
  .pilot-card { min-height: auto; }
  .card-top { margin-bottom: 3rem; }
  .pilot-card > p { min-height: auto; }
  .method { grid-template-columns: 1fr; }
  .site-footer { grid-template-columns: 1fr; }
  .footer-meta { justify-content: flex-start; }
}

@media (max-width: 720px) {
  .section-shell { width: min(calc(100% - 32px), var(--max)); }
  .site-header { min-height: 66px; padding-inline: 16px; }
  .menu-toggle { display: grid; place-content: center; gap: 6px; width: 42px; height: 42px; padding: 0; border: 1px solid var(--line); background: transparent; }
  .menu-toggle span:not(.sr-only) { display: block; width: 17px; height: 1px; background: var(--paper); transition: transform 180ms ease; }
  .menu-toggle[aria-expanded="true"] span:nth-last-child(2) { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .site-nav { position: absolute; top: 66px; right: 0; left: 0; display: none; align-items: stretch; flex-direction: column; gap: 0; padding: 1rem 16px 1.4rem; border-bottom: 1px solid var(--line); background: var(--ink); }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 1rem 0; border-bottom: 1px solid var(--line); }
  .site-nav .nav-cta { margin-top: 1rem; padding: 1rem; text-align: center; border: 0; }
  h1 { font-size: clamp(3.6rem, 18vw, 5.5rem); }
  .hero { min-height: auto; padding-top: 5rem; }
  .consequence-map { min-height: 430px; }
  .map-grid { grid-template-columns: 1fr; }
  .map-operator { display: none; }
  .node-c { grid-column: auto; }
  .signal-track { justify-content: flex-start; }
  .cta-orbit { width: 95vw; }
  .footer-brand { margin-bottom: 1rem; }
}