:root {
  --ink: #161310;
  --ink-soft: #3a342c;
  --paper: #f3ead8;
  --paper-2: #e7dcc4;
  --rule: #1a1714;
  --virus: #1c8a3a;
  --virus-hi: #3dff7a;
  --virus-dim: #0d3d1c;
  --lab: #070908;
  --lab-2: #101412;
  --warn: #b42318;
  --line: rgba(22, 19, 16, 0.16);
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.38);
  --font-paper: "Crimson Pro", "Source Serif 4", "Times New Roman", serif;
  --font-title: "Source Serif 4", "Crimson Pro", Georgia, serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-paper);
  font-size: 1.125rem;
  line-height: 1.6;
  background:
    radial-gradient(1200px 600px at 50% -10%, #1a2420 0%, transparent 55%),
    var(--lab);
  overflow-x: hidden;
}

img {
  display: block;
  max-width: 100%;
}

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

code {
  font-family: var(--font-mono);
  font-size: 0.82em;
}

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 90;
  opacity: 0.07;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
}

/* boot */
.boot {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-content: center;
  gap: 0.7rem;
  padding: 1.5rem;
  background: #030504;
  color: var(--virus-hi);
  font-family: var(--font-mono);
  text-align: center;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.boot.is-gone {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.boot-ascii {
  margin: 0;
  font-size: clamp(4rem, 16vw, 8rem);
  font-weight: 600;
  letter-spacing: -0.08em;
  text-shadow: 0 0 24px rgba(61, 255, 122, 0.45);
}

.boot-kicker,
.boot-log,
.boot-skip {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.boot-log {
  color: #9affb8;
  min-height: 1.2em;
}

.boot-bar {
  width: min(280px, 70vw);
  height: 6px;
  margin: 0.4rem auto 0;
  border: 1px solid var(--virus-hi);
}

.boot-bar span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--virus-hi);
  box-shadow: 0 0 12px var(--virus-hi);
  transition: width 0.12s linear;
}

.boot-skip {
  margin-top: 0.6rem;
  color: #7a9a82;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* chrome */
.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 1rem;
  background: rgba(7, 9, 8, 0.92);
  border-bottom: 1px solid rgba(61, 255, 122, 0.22);
  backdrop-filter: blur(10px);
  color: #e8f6ea;
  font-family: var(--font-mono);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
}

.brand img {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(61, 255, 122, 0.35);
  background: #000;
}

.brand-name {
  font-weight: 600;
  letter-spacing: 0.04em;
}

.brand-tick {
  color: var(--virus-hi);
  font-size: 0.75rem;
}

.nav {
  display: flex;
  gap: 1rem;
  margin-left: auto;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav a:hover {
  color: var(--virus-hi);
}

.nav-buy {
  color: #03150a;
  background: var(--virus-hi);
  padding: 0.28rem 0.55rem;
  font-weight: 600;
}

.top-socials {
  display: flex;
  gap: 0.35rem;
}

.top-socials a {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 1px solid rgba(61, 255, 122, 0.28);
  color: var(--virus-hi);
}

.top-socials a:hover {
  background: var(--virus-dim);
}

/* paper */
.desk {
  padding: 2.2rem 1rem 4rem;
}

.paper {
  position: relative;
  width: min(860px, 100%);
  margin: 0 auto;
  padding: 1.4rem 1.35rem 3rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.28), transparent 90px),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 27px,
      rgba(22, 19, 16, 0.03) 28px
    ),
    var(--paper);
  box-shadow: var(--shadow);
  border: 1px solid #d7c9ad;
}

.paper::before {
  content: "";
  position: absolute;
  inset: 10px auto 10px -14px;
  width: 18px;
  background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.08));
  pointer-events: none;
}

.running-head {
  margin: 0 0 0.85rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.banner-fig {
  position: relative;
  margin: 0 0 1.4rem;
  border-top: 7px solid var(--rule);
  border-bottom: 7px solid var(--rule);
  background: #fff;
}

.banner-img {
  width: 100%;
  height: auto;
  filter: grayscale(1) contrast(1.05);
}

.banner-cap {
  margin: 0;
  padding: 0.45rem 0.2rem 0.55rem;
  font-size: 0.82rem;
  font-style: italic;
  color: var(--ink-soft);
}

.stamp {
  position: absolute;
  right: 4%;
  top: 12%;
  display: grid;
  place-items: center;
  width: 108px;
  height: 108px;
  rotate: -18deg;
  border: 4px solid var(--warn);
  color: var(--warn);
  border-radius: 50%;
  font-family: var(--font-mono);
  text-align: center;
  background: rgba(243, 234, 216, 0.2);
  pointer-events: none;
}

.stamp span {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.stamp em {
  font-style: normal;
  font-size: 0.62rem;
}

.paper-head {
  text-align: center;
  padding: 0.2rem 0 1.1rem;
  border-bottom: 2px solid var(--rule);
}

.kicker {
  margin: 0 0 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--virus);
}

.paper-head h1 {
  margin: 0;
  font-family: var(--font-title);
  font-size: clamp(2.6rem, 8vw, 4.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 0.92;
}

.subhead {
  margin: 0.55rem 0 0;
  font-size: 1.2rem;
  font-style: italic;
}

.authors {
  margin: 0.7rem auto 0;
  max-width: 36em;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

/* CA */
.ca-bar,
.ca-inline {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
}

.ca-bar {
  margin: 1.15rem 0 0.85rem;
  padding: 0.7rem 0.8rem;
  background: var(--lab);
  color: var(--virus-hi);
  border: 1px solid #1e3d28;
  font-family: var(--font-mono);
}

.ca-label {
  flex: none;
  padding: 0.15rem 0.4rem;
  background: var(--virus-hi);
  color: #04150a;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.ca-bar code,
.ca-inline code {
  flex: 1;
  min-width: 0;
  overflow-wrap: anywhere;
  font-size: 0.78rem;
}

.ca-copy {
  flex: none;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid currentColor;
  color: var(--virus-hi);
}

.ca-inline .ca-copy {
  width: 32px;
  height: 32px;
  color: var(--ink);
  border-color: var(--line);
}

.ca-copy:hover,
.ca-copy.copied {
  background: var(--virus-hi);
  color: #04150a;
  border-color: var(--virus-hi);
}

.ca-toast {
  flex: none;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0 0 1.4rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0.45rem 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--rule);
}

.btn-ink {
  background: var(--ink);
  color: var(--paper);
}

.btn-ink:hover {
  background: var(--virus);
  border-color: var(--virus);
}

.btn-ghost:hover {
  background: #efe4cc;
}

/* type */
.abs,
.two-col,
.persona,
.lab,
.methods,
.discuss {
  margin-top: 1.7rem;
}

h2 {
  margin: 0 0 0.7rem;
  font-family: var(--font-title);
  font-size: 1.35rem;
  font-weight: 700;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.25rem;
}

.abs p,
.two-col p,
.discuss p,
.lede {
  margin: 0 0 0.85rem;
}

.abs p:first-of-type::first-letter {
  float: left;
  font-family: var(--font-title);
  font-size: 3.4rem;
  font-weight: 800;
  line-height: 0.75;
  padding: 0.12rem 0.4rem 0 0;
}

.two-col {
  display: grid;
  gap: 1.2rem;
}

.facts {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.facts li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.98rem;
}

.facts span {
  color: var(--ink-soft);
}

.fig-box {
  background: #000;
  color: #c9d6cc;
  padding: 0.75rem;
}

.fig-box img {
  margin: 0 auto;
  width: min(240px, 100%);
  height: auto;
}

.fig-box p {
  margin: 0.6rem 0 0;
  font-size: 0.8rem;
  font-style: italic;
}

/* terminal */
.term {
  background: var(--lab);
  color: #b7ffc9;
  font-family: var(--font-mono);
  border: 1px solid #1e3d28;
}

.term-bar {
  display: flex;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.4rem 0.7rem;
  background: #0e1610;
  color: #7d9a84;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.term-body {
  min-height: 8.5rem;
  margin: 0;
  padding: 0.85rem 0.9rem 1rem;
  font-size: 0.82rem;
  line-height: 1.55;
  white-space: pre-wrap;
}

.term-body::after {
  content: "█";
  animation: blink 1s steps(1) infinite;
}

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

/* lab */
.lab-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
  margin: 0.9rem 0 0.8rem;
}

.switch {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.65rem;
  border: 1px dashed var(--line);
  font-size: 0.92rem;
  cursor: pointer;
}

.switch input {
  width: 1.05rem;
  height: 1.05rem;
  accent-color: var(--virus);
}

.lab-status {
  margin: 0 0 0.9rem;
  font-style: italic;
  color: var(--ink-soft);
}

.agents {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 0.4rem;
  margin: 0;
  padding: 0;
}

.agent {
  display: grid;
  gap: 0.15rem;
  padding: 0.55rem 0.3rem;
  text-align: center;
  background: #efe6d2;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

.agent-id {
  color: var(--ink-soft);
}

.agent-name {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.agent.is-live {
  transform: translateY(-3px);
  border-color: var(--virus);
}

.agent.is-infected {
  background: #12351d;
  color: var(--virus-hi);
  border-color: var(--virus-hi);
}

.agent.is-blocked {
  background: #f3d6d2;
  color: var(--warn);
  border-color: var(--warn);
}

.lab-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.5rem;
  margin: 1rem 0 0;
}

.lab-stats div {
  padding: 0.55rem 0.6rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.28);
}

.lab-stats dt {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.lab-stats dd {
  margin: 0.15rem 0 0;
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 700;
}

/* token */
.token-card {
  padding: 1rem;
  border: 1px solid var(--rule);
  background: rgba(255, 255, 255, 0.3);
}

.token-id {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 0.9rem;
}

.token-id img {
  width: 72px;
  height: 72px;
  background: #000;
  border: 1px solid var(--rule);
}

.token-name {
  margin: 0;
  font-family: var(--font-title);
  font-size: 1.4rem;
  font-weight: 800;
}

.token-ticker,
.token-chain {
  margin: 0.1rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.token-ticker {
  color: var(--virus);
}

.spec {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 0.9rem;
  font-size: 0.98rem;
}

.spec th,
.spec td {
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}

.spec th {
  width: 28%;
  font-weight: 500;
  color: var(--ink-soft);
}

.fine-print {
  font-size: 0.88rem;
  color: var(--ink-soft);
}

/* footer */
.foot {
  padding: 2.2rem 1rem 3rem;
  text-align: center;
  color: #c5d6c8;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  background: #050706;
  border-top: 1px solid rgba(61, 255, 122, 0.18);
}

.foot img {
  width: 56px;
  height: 56px;
  margin: 0 auto 0.8rem;
  border: 1px solid rgba(61, 255, 122, 0.3);
}

.foot-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin: 0.8rem 0;
}

.foot-links a:hover {
  color: var(--virus-hi);
}

.copyright {
  margin: 0.8rem 0 0;
  color: #7d9183;
}

@media (min-width: 760px) {
  .paper {
    padding: 1.8rem 2.4rem 3.4rem;
  }

  .two-col {
    grid-template-columns: 1.35fr 0.9fr;
    align-items: start;
  }
}

@media (max-width: 759px) {
  .nav a:not(.nav-buy) {
    display: none;
  }

  .agents {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .lab-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stamp {
    width: 84px;
    height: 84px;
    right: 3%;
    top: 8%;
  }

  .ca-toast {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .term-body::after { animation: none; }
  .agent { transition: none; }
}