:root {
  --bg: #050507;
  --surface: #101010;
  --surface-2: #151716;
  --border: #3d3a39;
  --border-soft: rgba(61, 58, 57, 0.55);
  --text: #f2f2f2;
  --muted: #b8b3b0;
  --dim: #8b949e;
  --green: #00d992;
  --mint: #2fd6a1;
  --amber: #ffba00;
  --danger: #fb565b;
  --mono: "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 76% 6%, rgba(0, 217, 146, 0.08), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-feature-settings: "calt", "rlig";
  line-height: 1.55;
}
a { color: inherit; text-decoration: none; }
a:hover { color: var(--mint); }
code, pre { font-family: var(--mono); }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  background: var(--green);
  color: #001b11;
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 2px solid var(--green); outline-offset: 4px; }
.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;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: 68px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 clamp(20px, 4vw, 64px);
  border-bottom: 1px solid var(--border-soft);
  background: rgba(5, 5, 7, 0.9);
  backdrop-filter: blur(16px);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  width: max-content;
  font: 600 13px/1 var(--mono);
  letter-spacing: 0.08em;
}
.brand b { color: var(--green); }
.brand-mark { position: relative; width: 23px; height: 23px; display: inline-block; }
.brand-mark span { position: absolute; display: block; width: 5px; background: var(--green); box-shadow: 0 0 9px rgba(0, 217, 146, 0.75); }
.brand-mark span:nth-child(1) { height: 10px; left: 2px; top: 7px; }
.brand-mark span:nth-child(2) { height: 19px; left: 9px; top: 2px; }
.brand-mark span:nth-child(3) { height: 13px; left: 16px; top: 5px; }
.site-header nav { display: flex; gap: 32px; font-size: 13px; color: var(--muted); }
.header-cta {
  justify-self: end;
  padding: 9px 13px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font: 500 12px/1.4 var(--mono);
}

main { overflow: hidden; }
.hero {
  min-height: calc(100vh - 68px);
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(480px, 1.12fr);
  gap: clamp(42px, 6vw, 100px);
  align-items: center;
  max-width: 1440px;
  margin: 0 auto;
  padding: 88px clamp(20px, 5vw, 80px) 76px;
}
.eyebrow {
  margin: 0 0 18px;
  color: var(--green);
  font: 600 12px/1.4 var(--mono);
  letter-spacing: 0.14em;
}
.live-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
  animation: pulse 2.5s ease-in-out infinite;
}
.hero h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(49px, 6.2vw, 92px);
  font-weight: 400;
  line-height: 0.96;
  letter-spacing: -0.055em;
}
.hero h1 em { color: var(--green); font-style: normal; }
.hero-lede { max-width: 640px; margin: 30px 0; color: var(--muted); font-size: clamp(17px, 1.5vw, 21px); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  padding: 11px 17px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font: 600 13px/1.3 var(--mono);
}
.button.primary { border-color: var(--green); color: var(--mint); box-shadow: 0 0 20px rgba(0, 217, 146, 0.08); }
.guardrails { display: flex; flex-wrap: wrap; gap: 18px; margin: 30px 0 0; padding: 0; list-style: none; color: var(--dim); font: 500 10px/1.4 var(--mono); letter-spacing: 0.09em; }
.guardrails li::before { content: "✓"; margin-right: 6px; color: var(--green); }

.map-shell {
  min-height: 580px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(16, 16, 16, 0.78);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.65), inset 0 0 0 1px rgba(148, 163, 184, 0.04);
  overflow: hidden;
}
.map-toolbar, .map-legend {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 13px 16px;
  color: var(--dim);
  font: 500 10px/1.4 var(--mono);
  letter-spacing: 0.08em;
}
.map-toolbar { border-bottom: 1px solid var(--border-soft); }
#data-status { color: var(--mint); }
#signal-map { display: block; width: 100%; height: 100%; min-height: 480px; }
.map-legend { justify-content: flex-start; border-top: 1px solid var(--border-soft); }
.map-legend span { display: flex; align-items: center; gap: 7px; }
.map-legend i { width: 8px; height: 8px; display: inline-block; border-radius: 50%; }
.legend-node { background: var(--green); }
.legend-pulse { border: 1px solid var(--green); }
.legend-noise { background: var(--border); }

.metric-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  background: rgba(16, 16, 16, 0.56);
}
.metric-strip article { min-height: 150px; display: flex; flex-direction: column; justify-content: center; padding: 25px clamp(20px, 4vw, 64px); border-right: 1px solid var(--border-soft); }
.metric-strip article:last-child { border-right: 0; }
.metric-strip span { font: 400 clamp(36px, 4vw, 58px)/1 var(--mono); letter-spacing: -0.06em; }
.metric-strip small { margin-top: 13px; color: var(--dim); font: 500 10px/1.4 var(--mono); letter-spacing: 0.12em; }

.section { max-width: 1320px; margin: 0 auto; padding: 128px clamp(20px, 5vw, 70px); }
.section-heading { display: grid; grid-template-columns: 1fr minmax(280px, 0.55fr); gap: 60px; align-items: end; margin-bottom: 50px; }
.section-heading h2, .trust-band h2 { margin: 0; font-size: clamp(38px, 5vw, 68px); font-weight: 400; line-height: 1; letter-spacing: -0.045em; }
.section-heading > p { margin: 0; color: var(--muted); font-size: 16px; }
.table-shell { border: 1px solid var(--border); border-radius: 8px; overflow-x: auto; background: var(--surface); }
table { width: 100%; border-collapse: collapse; min-width: 820px; }
th, td { padding: 18px 20px; text-align: left; border-bottom: 1px solid var(--border-soft); }
th { color: var(--dim); font: 500 10px/1.4 var(--mono); letter-spacing: 0.1em; }
td { font: 500 13px/1.4 var(--mono); }
tbody tr:last-child td { border-bottom: 0; }
td:first-child { color: var(--mint); }
.meter { width: 72px; height: 4px; display: inline-block; margin-left: 10px; vertical-align: middle; background: var(--border); }
.meter i { display: block; height: 100%; background: var(--green); }
.snapshot-note { color: var(--dim); font: 400 11px/1.6 var(--mono); }

.projects-section { border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }
.projects-grid, .proofs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.project-card, .proof-card, .empty-state {
  min-height: 250px;
  padding: 26px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}
.project-card h3, .proof-card h3, .empty-state h3 { margin: 15px 0 12px; font-size: 24px; line-height: 1.1; }
.project-card p, .proof-card p, .empty-state p { color: var(--muted); }
.card-kicker { color: var(--green); font: 600 10px/1.4 var(--mono); letter-spacing: 0.12em; }
.card-meta { display: flex; flex-wrap: wrap; gap: 7px; margin: 20px 0; }
.pill { padding: 5px 8px; border: 1px solid var(--border); border-radius: 999px; color: var(--dim); font: 500 9px/1.3 var(--mono); text-transform: uppercase; }
.card-link { color: var(--mint); font: 600 12px/1.4 var(--mono); overflow-wrap: anywhere; }
.empty-state { grid-column: 1 / -1; min-height: 280px; display: grid; place-items: center; text-align: center; border-style: dashed; }
.empty-state > div { max-width: 620px; }
.empty-code { display: inline-block; margin-top: 15px; padding: 10px 13px; border: 1px solid var(--border); border-radius: 6px; color: var(--mint); font: 500 12px/1.4 var(--mono); }
.proof-card.featured { grid-column: span 2; border-color: var(--green); }
.proof-list { margin: 20px 0; padding: 0; list-style: none; }
.proof-list li { display: grid; grid-template-columns: 145px 1fr; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--border-soft); font: 500 11px/1.45 var(--mono); }
.proof-list span:first-child { color: var(--dim); }
.proof-list span:last-child { overflow-wrap: anywhere; }
.warning { color: var(--amber) !important; font: 500 11px/1.55 var(--mono); }

.protocol-grid { display: grid; grid-template-columns: 1.12fr 0.88fr; gap: 18px; }
.code-card, .rules-card { border: 1px solid var(--border); border-radius: 8px; background: var(--surface); overflow: hidden; }
.code-title { display: flex; justify-content: space-between; padding: 13px 17px; border-bottom: 1px solid var(--border); color: var(--dim); font: 500 10px/1.4 var(--mono); }
.code-title span:first-child { color: var(--green); }
pre { margin: 0; padding: 30px; overflow-x: auto; color: var(--mint); font-size: 13px; line-height: 1.75; }
.rules-card { padding: 28px; }
.rules-card h3 { margin: 0 0 20px; font-size: 24px; }
.rules-card ol { margin: 0; padding: 0; list-style: none; counter-reset: rules; }
.rules-card li { counter-increment: rules; position: relative; padding: 15px 0 15px 44px; border-bottom: 1px solid var(--border-soft); }
.rules-card li::before { content: "0" counter(rules); position: absolute; left: 0; color: var(--green); font: 500 11px/1.5 var(--mono); }
.rules-card li b, .rules-card li span { display: block; }
.rules-card li span { color: var(--dim); font-size: 13px; }

.trust-band { padding: 105px max(20px, calc((100vw - 1180px) / 2)); border-top: 1px solid var(--green); background: linear-gradient(180deg, rgba(0, 217, 146, 0.06), transparent 70%); }
.trust-band h2 { max-width: 900px; }
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 55px; }
.trust-grid p { margin: 0; color: var(--muted); }
.trust-grid b { display: block; margin-bottom: 8px; color: var(--mint); font: 600 11px/1.4 var(--mono); letter-spacing: 0.1em; }
footer { min-height: 90px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 25px clamp(20px, 5vw, 70px); border-top: 1px solid var(--border-soft); color: var(--dim); font: 500 10px/1.4 var(--mono); letter-spacing: 0.08em; }

@keyframes pulse { 0%, 100% { opacity: 0.5; box-shadow: 0 0 3px var(--green); } 50% { opacity: 1; box-shadow: 0 0 12px var(--green); } }

@media (max-width: 1000px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-header nav { display: none; }
  .hero { grid-template-columns: 1fr; }
  .map-shell { min-height: 520px; }
  .metric-strip { grid-template-columns: repeat(2, 1fr); }
  .metric-strip article:nth-child(2) { border-right: 0; }
  .metric-strip article:nth-child(-n+2) { border-bottom: 1px solid var(--border-soft); }
  .projects-grid, .proofs-grid { grid-template-columns: repeat(2, 1fr); }
  .protocol-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .site-header { height: 60px; padding: 0 16px; }
  .header-cta { display: none; }
  .hero { min-height: auto; padding: 72px 20px 50px; gap: 55px; }
  .hero h1 { font-size: clamp(47px, 15vw, 70px); }
  .map-shell { min-height: 430px; }
  #signal-map { min-height: 340px; }
  .map-toolbar span:first-child { display: none; }
  .section { padding: 92px 20px; }
  .section-heading { grid-template-columns: 1fr; gap: 24px; }
  .metric-strip article { min-height: 120px; padding: 20px; }
  .projects-grid, .proofs-grid, .trust-grid { grid-template-columns: 1fr; }
  .proof-card.featured { grid-column: auto; }
  .proof-list li { grid-template-columns: 1fr; gap: 3px; }
  .trust-band { padding: 85px 20px; }
  footer { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 430px) {
  .metric-strip { grid-template-columns: 1fr; }
  .metric-strip article { border-right: 0; border-bottom: 1px solid var(--border-soft); }
  .guardrails { flex-direction: column; gap: 7px; }
}

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