:root {
  --paper: #F4EDD9;
  --paper-2: #EDE4CC;
  --ink: #1A1814;
  --body: #3A352E;
  --muted: #8F8775;
  --black: #0A0A0A;
  --red: #8B1414;
  --green: #2C5F1E;
  --rule: rgba(26, 24, 20, 0.35);
  --rule-soft: rgba(26, 24, 20, 0.18);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper-2) 100%) fixed;
  font-family: "Inter", "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--red); }

code, pre, .mono, .eyebrow, .dateline, .colophon, .idx, .gate, .verdict, .hash, .vlabel {
  font-family: ui-monospace, "SFMono-Regular", "Menlo", "Cascadia Mono", "Consolas", monospace;
}

.paper {
  max-width: 1100px;
  margin: 0 auto;
  padding: 36px 56px 80px;
}

.masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.32em;
  color: var(--ink);
}

.dot {
  width: 12px;
  height: 12px;
  background: var(--red);
  display: inline-block;
}

.masthead-nav {
  display: flex;
  gap: 28px;
  font-size: 14px;
  font-weight: 700;
}

.masthead-nav a {
  color: var(--ink);
  letter-spacing: 0.02em;
}

.masthead-nav a:hover { color: var(--red); }

.rule {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 18px 0;
}

.hero {
  padding: 14px 0 22px;
}

.headline {
  display: block;
  font-family: "Arial Black", "Helvetica Neue", Arial, sans-serif;
  font-weight: 900;
  font-size: clamp(60px, 9.5vw, 132px);
  line-height: 0.9;
  letter-spacing: -0.04em;
}

.headline .strike {
  display: block;
  position: relative;
  color: #6B6354;
  width: max-content;
  max-width: 100%;
}

.headline .strike::after {
  content: "";
  position: absolute;
  left: 0.5%;
  right: 0;
  top: 52%;
  height: clamp(6px, 0.78vw, 9px);
  background: var(--red);
}

.headline .payoff {
  display: block;
  color: var(--black);
  margin-top: 6px;
}

.lede {
  max-width: 820px;
  margin: 22px 0 0;
  font-size: clamp(18px, 1.45vw, 22px);
  line-height: 1.4;
  color: var(--body);
  font-weight: 500;
}

.lede em {
  font-family: "Georgia", "Charter", "New York", "Times New Roman", serif;
  font-style: italic;
  color: var(--black);
  font-weight: 500;
}

.lede strong { color: var(--black); font-weight: 800; }

.feature-proof {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-top: 22px;
  padding: 10px 16px 10px 14px;
  background: var(--black);
  color: var(--paper);
  border-left: 4px solid var(--red);
  font-family: ui-monospace, "SFMono-Regular", "Menlo", monospace;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  transition: background 0.12s ease;
}

.feature-proof:hover { background: #1a1814; color: var(--paper); }

.fp-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--red);
  display: inline-block;
}

.fp-label {
  color: rgba(244, 237, 217, 0.55);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 11px;
  font-weight: 800;
}

.fp-gate {
  color: var(--paper);
  letter-spacing: 0.18em;
  font-weight: 900;
}

.fp-action {
  color: #E87878;
  text-transform: lowercase;
  letter-spacing: 0.04em;
  font-weight: 700;
}

.fp-hash {
  color: var(--paper);
  letter-spacing: 0.04em;
  font-weight: 700;
}

.fp-arrow {
  color: rgba(244, 237, 217, 0.7);
  font-size: 14px;
}

.dateline {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.section-head { margin-bottom: 20px; }

.ledger .section-head { margin-bottom: 14px; }

.kicker {
  display: block;
  font-family: ui-monospace, "SFMono-Regular", "Menlo", monospace;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 10px;
}

h2 {
  font-family: "Georgia", "Charter", "New York", "Times New Roman", serif;
  font-weight: 700;
  font-style: italic;
  font-size: clamp(30px, 3.4vw, 44px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--black);
  margin: 0 0 14px;
}

.section-head p {
  max-width: 680px;
  margin: 0;
  color: var(--body);
  font-size: 17px;
  line-height: 1.55;
}

.ledger .rows {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule-soft);
}

.ledger .rows li { border-bottom: 1px solid var(--rule-soft); }

.ledger .rows a {
  display: grid;
  grid-template-columns: 48px 120px 140px 1fr auto;
  align-items: center;
  gap: 20px;
  padding: 12px 4px;
  font-size: 14px;
  transition: background 0.12s ease;
}

.ledger .rows a:hover { background: rgba(139, 20, 20, 0.06); color: var(--ink); }

.ledger .idx { color: var(--muted); font-weight: 700; letter-spacing: 0.1em; }
.ledger .gate {
  color: var(--ink);
  font-weight: 800;
  letter-spacing: 0.14em;
  font-size: 13px;
}
.ledger .verdict {
  font-weight: 900;
  letter-spacing: 0.16em;
  font-size: 13px;
}
.ledger .verdict.ok { color: var(--green); }
.ledger .verdict.no { color: var(--red); }
.ledger .verdict.pay { color: var(--red); }
.ledger .detail { color: var(--body); font-family: "Inter", sans-serif; font-size: 15px; }
.ledger .detail code {
  font-family: ui-monospace, "SFMono-Regular", "Menlo", monospace;
  font-size: 13px;
  background: rgba(139, 20, 20, 0.08);
  padding: 2px 6px;
  color: var(--red);
}
.ledger .hash {
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-align: right;
  white-space: nowrap;
}

.ledger .marquee a {
  background: rgba(139, 20, 20, 0.04);
  border-left: 4px solid var(--red);
  padding-left: 14px;
}

.ledger .marquee:hover a,
.ledger .marquee a:hover { background: rgba(139, 20, 20, 0.1); }

.mechanism pre {
  margin: 0;
  background: var(--black);
  color: #E6DDC4;
  padding: 28px 32px;
  border-radius: 4px;
  overflow: auto;
  font-size: 15px;
  line-height: 1.72;
  border-left: 4px solid var(--red);
}

.mechanism .mono-h {
  display: inline-block;
  color: #F4EDD9;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 12px;
  padding-bottom: 4px;
}

.mechanism .mono-r { color: #E87878; }
.mechanism .mono-g { color: #8FCB75; }

.notes .note-rows {
  display: grid;
  gap: 22px;
  max-width: 920px;
}

.notes .note-rows p {
  margin: 0;
  font-size: 18px;
  line-height: 1.55;
  color: var(--body);
}

.notes strong { color: var(--black); font-weight: 800; }

.notes code {
  font-size: 14px;
  background: rgba(26, 24, 20, 0.08);
  padding: 2px 7px;
  border-radius: 2px;
  color: var(--ink);
}

.contract-list {
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--rule-soft);
}

.contract-list > div {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 24px;
  padding: 16px 4px;
  border-bottom: 1px solid var(--rule-soft);
  align-items: baseline;
}

.contract-list dt {
  font-weight: 800;
  font-size: 15px;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.contract-list dd {
  margin: 0;
  font-family: ui-monospace, "SFMono-Regular", "Menlo", monospace;
  font-size: 14px;
  word-break: break-all;
}

.contract-list dd a { color: var(--red); font-weight: 700; }
.contract-list dd a:hover { text-decoration: underline; }

.verifier {
  margin-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  padding: 22px 24px;
  background: var(--black);
  color: var(--paper);
  border-left: 4px solid var(--red);
}

.verifier .vlabel {
  display: block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(244, 237, 217, 0.6);
  margin-bottom: 6px;
}

.verifier code {
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.ci-link {
  display: inline-flex;
  align-items: center;
  padding: 12px 18px;
  background: var(--red);
  color: var(--paper);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
}

.ci-link:hover { background: #6b0f0f; color: var(--paper); }

.colophon {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink);
  padding-top: 4px;
}

.colophon a:hover { color: var(--red); }

@media (max-width: 900px) {
  .paper { padding: 36px 24px 56px; }

  .feature-proof {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 6px 10px;
    width: 100%;
    max-width: 100%;
  }

  .fp-dot { align-self: center; }
  .fp-label { grid-column: 2 / span 2; }
  .fp-gate { grid-column: 2; }
  .fp-action { grid-column: 2; }
  .fp-hash {
    grid-column: 3;
    grid-row: 2 / span 2;
    align-self: center;
    text-align: right;
  }
  .fp-arrow { display: none; }

  .ledger .rows a {
    grid-template-columns: 44px minmax(0, 1fr);
    grid-template-rows: auto auto auto;
    gap: 3px 14px;
    padding: 16px 4px;
  }
  .ledger .idx { grid-row: 1 / span 3; align-self: center; }
  .ledger .gate { grid-column: 2; grid-row: 1; font-size: 12px; }
  .ledger .verdict { grid-column: 2; grid-row: 2; font-size: 12px; text-align: left; }
  .ledger .detail { grid-column: 2; grid-row: 3; font-size: 15px; min-width: 0; }
  .ledger .hash { display: none; }

  .contract-list > div { grid-template-columns: 1fr; gap: 4px; }
  .contract-list dd { font-size: 12px; }

  .mechanism pre { padding: 20px 18px; font-size: 13px; }

  .masthead-nav { gap: 18px; font-size: 13px; }
  .masthead-nav a:last-child { margin-left: auto; }
}