:root {
  --ink: #061014;
  --ink-soft: #0a171c;
  --panel: #0d1d22;
  --paper: #e8e3d8;
  --paper-soft: #c8c5bb;
  --muted: #8c9695;
  --line: rgba(180, 216, 211, 0.17);
  --cyan: #27e6de;
  --cyan-soft: rgba(39, 230, 222, 0.12);
  --amber: #f3a839;
  --amber-soft: rgba(243, 168, 57, 0.12);
  --display: "Bahnschrift", "Franklin Gothic Medium", sans-serif;
  --serif: "Palatino Linotype", "Book Antiqua", Palatino, serif;
  --mono: "Cascadia Mono", "Lucida Console", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--paper);
  background:
    radial-gradient(circle at 85% 8%, rgba(39, 230, 222, 0.08), transparent 28rem),
    radial-gradient(circle at 10% 32%, rgba(243, 168, 57, 0.06), transparent 24rem),
    var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.72;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }
img { max-width: 100%; display: block; }
button { font: inherit; }
::selection { background: var(--cyan); color: var(--ink); }

.skip-link {
  position: fixed;
  top: -5rem;
  left: 1rem;
  z-index: 1000;
  padding: 0.7rem 1rem;
  background: var(--cyan);
  color: var(--ink);
  font: 700 0.72rem var(--mono);
}
.skip-link:focus { top: 1rem; }

.reading-progress {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: 2px;
  background: transparent;
}
.reading-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--amber));
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  padding: 0 3vw;
  border-bottom: 1px solid var(--line);
  background: rgba(6, 16, 20, 0.88);
  backdrop-filter: blur(20px);
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  font-family: var(--display);
  letter-spacing: 0.04em;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-weight: 800;
  transform: rotate(45deg);
}
.brand-mark::first-letter { transform: rotate(-45deg); }
.brand strong, .brand small { display: block; }
.brand strong { font-size: 0.92rem; }
.brand small { margin-top: 0.12rem; color: var(--muted); font: 0.58rem var(--mono); letter-spacing: 0.12em; }
.top-actions { display: flex; align-items: center; gap: 0.5rem; }
.top-actions a, .top-actions button {
  border: 1px solid var(--line);
  padding: 0.58rem 0.8rem;
  color: var(--paper-soft);
  background: transparent;
  text-decoration: none;
  font: 700 0.63rem var(--mono);
  letter-spacing: 0.08em;
  cursor: pointer;
}
.top-actions a:hover, .top-actions button:hover { border-color: var(--cyan); color: var(--cyan); }

.cover {
  position: relative;
  display: grid;
  grid-template-columns: minmax(300px, 0.8fr) minmax(440px, 1.2fr);
  align-items: center;
  min-height: calc(100vh - 78px);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.cover-grid {
  position: absolute;
  inset: 0;
  opacity: 0.25;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to right, #000, transparent 82%);
}
.cover-copy { position: relative; z-index: 2; padding: 8vw 4vw 9vw 7vw; }
.eyebrow, .chapter header p, .cover-meta, .contents, .network-strip, figcaption, footer, .fine-print {
  font-family: var(--mono);
  letter-spacing: 0.1em;
}
.eyebrow { color: var(--cyan); font-size: 0.66rem; }
.cover h1 {
  margin: 1.5rem 0;
  font: 800 clamp(3.5rem, 7vw, 7.3rem)/0.88 var(--display);
  letter-spacing: -0.055em;
  text-transform: uppercase;
}
.cover h1 em { color: var(--amber); font-family: var(--serif); font-weight: 400; text-transform: none; }
.lede { max-width: 44rem; color: var(--paper-soft); font-size: clamp(1.05rem, 1.5vw, 1.35rem); }
.cover-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 3rem;
  background: var(--line);
  border: 1px solid var(--line);
}
.cover-facts div { padding: 1rem; background: rgba(6, 16, 20, 0.92); }
.cover-facts b { display: block; font: 700 1.2rem var(--display); color: var(--paper); }
.cover-facts span { color: var(--muted); font: 0.58rem var(--mono); letter-spacing: 0.1em; }
.cover-art {
  position: relative;
  align-self: stretch;
  margin: 0;
  min-height: 560px;
  overflow: hidden;
  border-left: 1px solid var(--line);
}
.cover-art::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--ink) 0%, transparent 28%, transparent 75%, rgba(6,16,20,0.25));
  pointer-events: none;
}
.cover-art img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.cover-art figcaption { position: absolute; right: 2rem; bottom: 2rem; z-index: 2; font-size: 0.58rem; color: var(--paper-soft); }
.cover-meta {
  position: absolute;
  inset: auto 0 0;
  z-index: 3;
  display: flex;
  gap: 2rem;
  padding: 0.8rem 3vw;
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: rgba(6, 16, 20, 0.78);
  font-size: 0.58rem;
}

.paper-shell { display: grid; grid-template-columns: 250px minmax(0, 1fr); max-width: 1500px; margin: 0 auto; }
.contents {
  position: sticky;
  top: 78px;
  align-self: start;
  height: calc(100vh - 78px);
  overflow-y: auto;
  padding: 4rem 2rem;
  border-right: 1px solid var(--line);
  font-size: 0.61rem;
}
.contents p { color: var(--amber); margin: 0 0 1.5rem; }
.contents a { display: block; padding: 0.5rem 0; color: var(--muted); text-decoration: none; border-bottom: 1px solid transparent; }
.contents a:hover, .contents a.active { color: var(--cyan); border-color: var(--cyan-soft); }
.paper { min-width: 0; }
.chapter { padding: 7rem clamp(2rem, 7vw, 7rem); border-bottom: 1px solid var(--line); scroll-margin-top: 78px; }
.chapter header { margin-bottom: 3.5rem; }
.chapter header p { margin: 0 0 1rem; color: var(--amber); font-size: 0.65rem; }
.chapter h2, .closing h2 {
  margin: 0;
  max-width: 850px;
  font: 760 clamp(2.6rem, 5.5vw, 5.8rem)/0.95 var(--display);
  letter-spacing: -0.045em;
  text-transform: uppercase;
}
.chapter h2 em { color: var(--cyan); font-family: var(--serif); font-weight: 400; text-transform: none; }
.chapter h3 { margin: 0.6rem 0; font: 700 1.15rem/1.2 var(--display); }
.chapter p { max-width: 850px; color: var(--paper-soft); }
.lead-paragraph { color: var(--paper) !important; font-size: 1.25rem; line-height: 1.55; }
.two-column { columns: 2 320px; column-gap: 4rem; }
.two-column p { margin-top: 0; }
blockquote {
  margin: 4rem 0 0;
  padding: 2.3rem;
  border: 1px solid var(--cyan);
  background: linear-gradient(120deg, var(--cyan-soft), transparent);
  font: 400 clamp(1.7rem, 3.5vw, 3rem)/1.15 var(--serif);
}
blockquote span { display: block; margin-bottom: 0.8rem; color: var(--cyan); font: 0.62rem var(--mono); letter-spacing: 0.12em; }

.thesis-grid, .three-column, .control-map, .risk-list { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.thesis-grid { grid-template-columns: repeat(2, 1fr); }
.thesis-grid > div, .three-column article, .control-map article, .risk-list article { padding: 2rem; background: var(--ink-soft); }
.thesis-grid span, .three-column span, .control-map span, .token-hero span, .metric-grid span, .token-grid span, .callout span, .roadmap span {
  color: var(--cyan);
  font: 0.61rem var(--mono);
  letter-spacing: 0.1em;
}
.thesis-grid > div:first-child span { color: var(--muted); }
.flow { display: grid; grid-template-columns: 1fr 34px 1fr 34px 1fr 34px 1fr 34px 1fr; align-items: center; margin-top: 4rem; }
.flow div { min-height: 155px; padding: 1.3rem; border: 1px solid var(--line); background: var(--ink-soft); }
.flow b, .governance-path b, .risk-list b { display: block; color: var(--amber); font: 0.65rem var(--mono); }
.flow span { display: block; margin-top: 1.3rem; font: 700 0.85rem var(--display); }
.flow small { color: var(--muted); font: 0.58rem var(--mono); }
.flow i { height: 1px; background: linear-gradient(90deg, var(--cyan), var(--amber)); }

.metric-grid, .token-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: 3rem 0; background: var(--line); border: 1px solid var(--line); }
.metric-grid article, .token-grid article { min-height: 150px; padding: 1.5rem; background: var(--ink-soft); }
.metric-grid strong, .token-grid strong { display: block; margin: 1rem 0 0.2rem; font: 700 clamp(1.4rem, 2.6vw, 2.3rem) var(--display); }
.metric-grid p { margin: 0; color: var(--muted); font-size: 0.85rem; }
.callout { display: grid; grid-template-columns: 150px 1fr; gap: 1.5rem; margin: 3rem 0; padding: 1.5rem; border-left: 2px solid var(--cyan); background: var(--cyan-soft); }
.callout.warning { border-color: var(--amber); background: var(--amber-soft); }
.callout.warning span { color: var(--amber); }
.callout p { margin: 0; }

.media-split { display: grid; grid-template-columns: 1fr minmax(330px, 0.9fr); gap: 4rem; align-items: center; }
.media-split figure { margin: 0; border: 1px solid var(--line); background: var(--panel); }
.media-split figure img { aspect-ratio: 1 / 1; width: 100%; object-fit: cover; }
figcaption { padding: 0.8rem 1rem; color: var(--muted); font-size: 0.56rem; }
.feature-list { list-style: none; margin: 2.5rem 0 0; padding: 0; border-top: 1px solid var(--line); }
.feature-list li { display: grid; grid-template-columns: 145px 1fr; gap: 1rem; padding: 0.9rem 0; border-bottom: 1px solid var(--line); }
.feature-list b { font-family: var(--display); }
.feature-list span { color: var(--muted); }

.governance-path { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: 3rem 0; background: var(--line); border: 1px solid var(--line); }
.governance-path article { padding: 1.5rem; background: var(--ink-soft); }
.governance-path p, .risk-list p, .three-column p, .control-map p { margin-bottom: 0; color: var(--muted); font-size: 0.9rem; }
.spec-table { width: 100%; border-collapse: collapse; margin: 3rem 0 1rem; }
.spec-table th, .spec-table td { padding: 0.9rem 1rem; text-align: left; border-bottom: 1px solid var(--line); }
.spec-table th { width: 36%; color: var(--muted); font: 0.65rem var(--mono); letter-spacing: 0.06em; }
.spec-table td { color: var(--paper-soft); }
.fine-print { color: var(--muted) !important; font-size: 0.7rem; }

.token-chapter { background: radial-gradient(circle at 95% 10%, rgba(39,230,222,0.08), transparent 30rem); }
.token-hero { display: flex; align-items: center; gap: 1.5rem; padding: 2rem; border: 1px solid var(--cyan); background: var(--cyan-soft); }
.token-symbol { display: grid; place-items: center; flex: 0 0 86px; width: 86px; height: 86px; border-radius: 50%; border: 1px solid var(--cyan); font: 700 2rem var(--display); color: var(--cyan); }
.token-hero h3 { margin: 0.2rem 0; font-size: 2rem; }
.token-hero p { margin: 0; }
.equation { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: 1rem; margin: 3rem 0; padding: 1.4rem; border: 1px solid var(--line); text-align: center; }
.equation span { font: 0.68rem var(--mono); color: var(--paper-soft); letter-spacing: 0.06em; }
.equation b { color: var(--amber); font-size: 1.3rem; }

.three-column { grid-template-columns: repeat(3, 1fr); }
.control-map, .risk-list { grid-template-columns: repeat(2, 1fr); }
.assurance-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin: 3rem 0; background: var(--line); border: 1px solid var(--line); }
.assurance-row div { padding: 1.3rem; background: var(--ink-soft); }
.assurance-row b { display: block; color: var(--amber); font: 700 0.9rem var(--display); }
.assurance-row span { color: var(--muted); font: 0.54rem var(--mono); letter-spacing: 0.07em; }

.network-strip { display: flex; flex-wrap: wrap; gap: 1rem 2rem; padding: 1rem; border: 1px solid var(--line); font-size: 0.62rem; }
.network-strip span { color: var(--muted); }
.network-strip b { color: var(--cyan); }
.contract-list { margin-top: 2rem; border-top: 1px solid var(--line); }
.contract-list a { display: grid; grid-template-columns: 190px 1fr 180px; gap: 1rem; align-items: center; padding: 1.1rem 0.8rem; border-bottom: 1px solid var(--line); text-decoration: none; }
.contract-list a:hover { background: var(--cyan-soft); }
.contract-list span, .contract-list i { font: 0.58rem var(--mono); letter-spacing: 0.07em; }
.contract-list span { color: var(--cyan); }
.contract-list b { overflow: hidden; color: var(--paper-soft); font: 0.72rem var(--mono); text-overflow: ellipsis; }
.contract-list i { color: var(--muted); font-style: normal; text-align: right; }

.roadmap { position: relative; padding-left: 2rem; }
.roadmap::before { content: ""; position: absolute; top: 0.6rem; bottom: 1rem; left: 0.25rem; width: 1px; background: var(--line); }
.roadmap article { position: relative; padding: 0 0 2.8rem 1.5rem; }
.roadmap article::before { content: ""; position: absolute; top: 0.45rem; left: -2.02rem; width: 9px; height: 9px; border: 1px solid var(--muted); border-radius: 50%; background: var(--ink); }
.roadmap article.complete::before, .roadmap article.active::before { border-color: var(--cyan); background: var(--cyan); box-shadow: 0 0 18px var(--cyan); }
.roadmap article h3 { font-size: 1.35rem; }
.roadmap article p { margin-top: 0.5rem; }

.risk-list article { min-height: 220px; }
.legal-box { margin-top: 3rem; padding: 2rem; border: 1px solid var(--amber); background: var(--amber-soft); }
.legal-box h3 { color: var(--amber); }
.closing { padding: 8rem clamp(2rem, 7vw, 7rem); background: linear-gradient(125deg, var(--cyan-soft), transparent 55%, var(--amber-soft)); }
.closing > p { color: var(--cyan); font: 0.65rem var(--mono); letter-spacing: 0.12em; }
.closing div { display: flex; gap: 0.8rem; margin-top: 3rem; }
.closing a { padding: 0.9rem 1.2rem; border: 1px solid var(--line); text-decoration: none; font: 700 0.68rem var(--mono); letter-spacing: 0.08em; }
.closing a.primary { border-color: var(--cyan); background: var(--cyan); color: var(--ink); }

footer { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: 2rem 4vw; color: var(--muted); font-size: 0.58rem; }
footer strong, footer span { display: block; }
footer strong { color: var(--paper); font: 700 0.8rem var(--display); }
footer p { margin: 0; }
footer a { color: var(--cyan); text-decoration: none; }

@media (max-width: 1050px) {
  .cover { grid-template-columns: 1fr; }
  .cover-copy { padding: 8rem 7vw 4rem; }
  .cover-art { min-height: 48vw; border-left: 0; border-top: 1px solid var(--line); }
  .cover-art::after { background: linear-gradient(180deg, var(--ink), transparent 30%); }
  .cover-meta { position: relative; flex-wrap: wrap; }
  .paper-shell { grid-template-columns: 1fr; }
  .contents { display: none; }
  .media-split { grid-template-columns: 1fr; }
  .metric-grid, .token-grid, .governance-path, .three-column { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: 1fr; gap: 0; }
  .flow div { min-height: auto; }
  .flow i { width: 1px; height: 28px; margin-left: 2rem; }
  .contract-list a { grid-template-columns: 170px 1fr; }
  .contract-list i { display: none; }
}

@media (max-width: 680px) {
  body { font-size: 16px; }
  .topbar { min-height: 68px; padding: 0 1rem; }
  .brand small, .top-actions a:first-child { display: none; }
  .top-actions { gap: 0.25rem; }
  .top-actions a, .top-actions button { padding: 0.5rem; font-size: 0.55rem; }
  .cover { min-height: auto; }
  .cover-copy { padding: 5rem 1.25rem 3rem; }
  .cover h1 { font-size: clamp(3rem, 17vw, 5rem); }
  .cover-facts { grid-template-columns: 1fr 1fr; }
  .cover-art { min-height: 72vw; }
  .cover-meta { gap: 0.5rem 1rem; padding: 0.8rem 1rem; }
  .chapter, .closing { padding: 5rem 1.25rem; }
  .chapter h2, .closing h2 { font-size: clamp(2.5rem, 13vw, 4rem); }
  .metric-grid, .token-grid, .governance-path, .three-column, .control-map, .risk-list, .assurance-row, .thesis-grid { grid-template-columns: 1fr; }
  .callout { grid-template-columns: 1fr; }
  .feature-list li { grid-template-columns: 1fr; gap: 0.2rem; }
  .token-hero { align-items: flex-start; flex-direction: column; }
  .equation { grid-template-columns: 1fr; }
  .equation b { transform: rotate(90deg); }
  .spec-table th, .spec-table td { display: block; width: 100%; }
  .spec-table th { padding-bottom: 0.2rem; border-bottom: 0; }
  .spec-table td { padding-top: 0.2rem; }
  .contract-list a { grid-template-columns: 1fr; gap: 0.4rem; }
  .contract-list b { font-size: 0.6rem; }
  .closing div { align-items: stretch; flex-direction: column; }
  .closing a { text-align: center; }
  footer { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: no-preference) {
  .cover-copy > * { animation: rise 700ms both; }
  .cover-copy > *:nth-child(2) { animation-delay: 80ms; }
  .cover-copy > *:nth-child(3) { animation-delay: 160ms; }
  .cover-copy > *:nth-child(4) { animation-delay: 240ms; }
  .cover-art { animation: reveal 900ms 120ms both; }
  @keyframes rise { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: none; } }
  @keyframes reveal { from { opacity: 0; clip-path: inset(0 0 100% 0); } to { opacity: 1; clip-path: inset(0); } }
}

@media print {
  :root { --ink: #fff; --ink-soft: #fff; --paper: #111; --paper-soft: #222; --muted: #555; --line: #bbb; --cyan: #006f72; --amber: #865500; --cyan-soft: #eefafa; --amber-soft: #fff8eb; }
  body { background: #fff; color: #111; font-size: 11pt; }
  .topbar, .reading-progress, .contents, .closing, footer { display: none !important; }
  .cover { min-height: auto; grid-template-columns: 1fr; page-break-after: always; }
  .cover-copy { padding: 1cm; }
  .cover-art { min-height: 8cm; border: 0; }
  .cover-meta { position: relative; background: transparent; }
  .paper-shell { display: block; }
  .chapter { padding: 1.2cm 0.8cm; page-break-before: always; border: 0; }
  .chapter h2 { font-size: 30pt; }
  .contract-list a { color: #111; }
  a { text-decoration: none; }
}