:root {
  --bg: #0e1117;
  --fg: #e8e4d9;
  --fg-muted: #8a8578;
  --accent: #d4a843;
  --accent-dim: #8a6b2a;
  --card-bg: #161b24;
  --card-border: #232a38;
  --chain-block: #1a2030;
  --chain-border: #3a4a60;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Source Serif 4', Georgia, serif;
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* — NAV — */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
  border-bottom: 1px solid var(--card-border);
  background: rgba(14,17,23,0.92);
  backdrop-filter: blur(8px);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1100px;
  margin: 0 auto;
  height: 52px;
}
.nav-brand {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg);
}
.nav-coords {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  color: var(--fg-muted);
  letter-spacing: 0.06em;
}

/* — HERO — */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 80px clamp(1.5rem, 4vw, 3rem) 60px;
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 60% 40% at 80% 50%, rgba(212,168,67,0.04) 0%, transparent 70%),
    linear-gradient(180deg, var(--bg) 0%, #0b0f16 100%);
}
.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.hero-eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}
.hero-headline {
  font-family: 'IBM Plex Mono', monospace;
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 1.5rem;
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--fg-muted);
  max-width: 440px;
  line-height: 1.7;
  margin-bottom: 2rem;
}
.hero-stamps {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.stamp {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--accent-dim);
  color: var(--accent);
}

/* Chain visual */
.chain-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  padding: 2rem;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
}
.chain-block {
  width: 100%;
  padding: 1rem 1.25rem;
  border: 1px solid var(--chain-border);
  background: var(--chain-block);
  text-align: left;
}
.chain-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.3rem;
}
.chain-hash {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  color: var(--fg-muted);
  letter-spacing: 0.04em;
}
.chain-arrow {
  font-size: 1.2rem;
  color: var(--accent-dim);
  padding: 0.4rem 0;
}
.chain-verify {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  text-align: center;
  margin-top: 1rem;
  opacity: 0.7;
}

/* — PROVENANCE — */
.provenance {
  padding: 80px clamp(1.5rem, 4vw, 3rem);
  background: #0b0f16;
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
}
.provenance-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 3rem;
}
.provenance-badge {
  padding: 1rem 1.5rem;
  border: 1px solid var(--accent-dim);
  text-align: center;
}
.badge-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.04em;
}
.badge-sub {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6rem;
  color: var(--fg-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 0.3rem;
}
.provenance-quote {
  font-size: 1.5rem;
  font-style: italic;
  color: var(--fg);
  font-weight: 400;
  line-height: 1.4;
}
.provenance-body {
  color: var(--fg-muted);
  max-width: 320px;
  font-size: 0.95rem;
  line-height: 1.6;
}

/* — CAPABILITIES — */
.capabilities {
  padding: 80px clamp(1.5rem, 4vw, 3rem);
  background: var(--bg);
}
.capabilities-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.cap-header {
  margin-bottom: 4rem;
}
.cap-title {
  font-family: 'IBM Plex Mono', monospace;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
}
.cap-sub {
  color: var(--fg-muted);
  font-size: 1rem;
}
.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--card-border);
  border: 1px solid var(--card-border);
}
.cap-card {
  background: var(--bg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.cap-index {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  color: var(--accent);
  letter-spacing: 0.1em;
}
.cap-name {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--fg);
  line-height: 1.3;
}
.cap-desc {
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.6;
  flex: 1;
}
.cap-status {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-dim);
  margin-top: 0.5rem;
}

/* — TENETS — */
.tenets {
  padding: 80px clamp(1.5rem, 4vw, 3rem);
  background: #0b0f16;
  border-top: 1px solid var(--card-border);
}
.tenets-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.tenets-headline {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 3rem;
  color: var(--fg);
}
.tenets-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem 4rem;
}
.tenet {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 1.5rem;
  align-items: start;
}
.tenet-num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-dim);
  line-height: 1;
  padding-top: 0.1rem;
}
.tenet-title {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 0.4rem;
  letter-spacing: 0.02em;
}
.tenet-text {
  font-size: 0.92rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* — CLOSING — */
.closing {
  padding: 80px clamp(1.5rem, 4vw, 3rem);
  background: var(--bg);
  border-top: 1px solid var(--card-border);
}
.closing-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  align-items: center;
}
.closing-eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 1rem;
}
.closing-headline {
  font-family: 'IBM Plex Mono', monospace;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
}
.closing-sub {
  color: var(--fg-muted);
  font-size: 0.98rem;
  max-width: 440px;
  line-height: 1.65;
}
.counter {
  text-align: center;
  padding: 2rem;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
}
.counter-unit {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 4rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}
.counter-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.65rem;
  color: var(--fg-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 0.75rem;
}

/* — FOOTER — */
.site-footer {
  padding: 40px clamp(1.5rem, 4vw, 3rem);
  border-top: 1px solid var(--card-border);
  background: #0b0f16;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.footer-brand {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.footer-meta {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  color: var(--fg-muted);
  letter-spacing: 0.06em;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.footer-note {
  font-size: 0.85rem;
  color: var(--fg-muted);
  font-style: italic;
  margin-top: 0.5rem;
}

/* — RESPONSIVE — */
@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .provenance-inner { grid-template-columns: 1fr; }
  .provenance-quote { font-size: 1.2rem; }
  .cap-grid { grid-template-columns: 1fr; }
  .tenets-grid { grid-template-columns: 1fr; gap: 2rem; }
  .closing-inner { grid-template-columns: 1fr; }
  .tenets-headline { font-size: 1.1rem; }
}