/* ============================================================
   CLIFF · PRODUCT BUILDING GUIDE v2.0
   Dark Mode Design System
   Palette: Ink #111111 · Blue #3A3AF5 · Lime #D8FE5E · Blush #F9E0EB
   Fonts: Syne (display) · Instrument Serif (editorial) · DM Mono (code)
   ============================================================ */

:root {
  --ink:       #111111;
  --ink-2:     #1a1a1a;
  --ink-3:     #242424;
  --ink-4:     #2e2e2e;
  --ink-5:     #3a3a3a;
  --blue:      #3A3AF5;
  --blue-dim:  #2828c4;
  --blue-glow: rgba(58,58,245,0.18);
  --lime:      #D8FE5E;
  --lime-dim:  #b8e040;
  --blush:     #F9E0EB;
  --blush-dim: #e8c8d8;
  --white:     #FAFAFA;
  --muted:     #888888;
  --muted-2:   #555555;
  --danger:    #FF4444;
  --success:   #44DD88;

  --font-display: 'Syne', sans-serif;
  --font-serif:   'Instrument Serif', serif;
  --font-mono:    'DM Mono', monospace;

  --radius-sm: 4px;
  --radius:    8px;
  --radius-lg: 16px;

  --nav-h: 64px;
  --container: 1160px;
  --section-gap: 120px;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-display);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
table { border-collapse: collapse; width: 100%; }

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--ink-2); }
::-webkit-scrollbar-thumb { background: var(--ink-5); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--blue); }

/* ── CONTAINER ── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(17,17,17,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--ink-4);
  transition: border-color 0.3s;
}
.nav.scrolled { border-bottom-color: var(--ink-5); }
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.spark-symbol {
  color: var(--lime);
  font-size: 20px;
  line-height: 1;
  animation: sparkPulse 3s ease-in-out infinite;
}
@keyframes sparkPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(0.92); }
}
.nav-wordmark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: 0.12em;
  color: var(--white);
}
.nav-sub {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.08em;
  padding: 2px 6px;
  border: 1px solid var(--ink-5);
  border-radius: var(--radius-sm);
}
.nav-links {
  display: flex;
  list-style: none;
  gap: 4px;
  flex: 1;
}
.nav-link {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s;
}
.nav-link:hover, .nav-link.active {
  color: var(--white);
  background: var(--ink-3);
}
.nav-link.active { color: var(--lime); }
.nav-meta {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}
.nav-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--ink-5);
  color: var(--muted);
}
.nav-badge.confidential {
  border-color: var(--blush-dim);
  color: var(--blush);
}
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 1px;
  transition: all 0.3s;
}
.nav-mobile {
  display: none;
  flex-direction: column;
  padding: 16px 32px;
  border-top: 1px solid var(--ink-4);
  gap: 4px;
}
.nav-mobile a {
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  padding: 8px 0;
  border-bottom: 1px solid var(--ink-3);
  transition: color 0.2s;
}
.nav-mobile a:hover { color: var(--lime); }
.nav-mobile.open { display: flex; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(58,58,245,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(58,58,245,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.25;
}
.hero-glow-1 {
  width: 600px; height: 600px;
  background: var(--blue);
  top: -100px; left: -100px;
  animation: glowDrift1 12s ease-in-out infinite;
}
.hero-glow-2 {
  width: 400px; height: 400px;
  background: var(--lime);
  bottom: 0; right: 0;
  opacity: 0.12;
  animation: glowDrift2 15s ease-in-out infinite;
}
@keyframes glowDrift1 {
  0%, 100% { transform: translate(0,0); }
  50% { transform: translate(60px, 40px); }
}
@keyframes glowDrift2 {
  0%, 100% { transform: translate(0,0); }
  50% { transform: translate(-40px, -30px); }
}
.hero-inner {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  padding: 80px 32px;
  width: 100%;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 32px;
  opacity: 0;
  animation: fadeUp 0.8s 0.2s forwards;
}
.spark-ring {
  color: var(--lime);
  font-size: 18px;
  animation: spinSlow 8s linear infinite;
}
@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(52px, 8vw, 96px);
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  opacity: 0;
  animation: fadeUp 0.8s 0.35s forwards;
}
.hero-title-cliff {
  display: block;
  color: var(--white);
}
.hero-title-dot {
  color: var(--lime);
  margin: 0 8px;
}
.hero-title-sub {
  display: block;
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(28px, 4vw, 52px);
  color: var(--muted);
  letter-spacing: 0;
}
.hero-version {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--blue);
  margin-bottom: 32px;
  opacity: 0;
  animation: fadeUp 0.8s 0.5s forwards;
}
.hero-desc {
  max-width: 640px;
  font-size: 17px;
  line-height: 1.7;
  color: rgba(250,250,250,0.65);
  margin-bottom: 56px;
  opacity: 0;
  animation: fadeUp 0.8s 0.65s forwards;
}
.hero-stats {
  display: flex;
  gap: 48px;
  margin-bottom: 64px;
  opacity: 0;
  animation: fadeUp 0.8s 0.8s forwards;
}
.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hero-stat-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 40px;
  line-height: 1;
  color: var(--lime);
  letter-spacing: -0.02em;
}
.hero-stat-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: uppercase;
}
.hero-scroll {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
  opacity: 0;
  animation: fadeUp 0.8s 1s forwards;
}
.scroll-arrow {
  animation: bounce 2s ease-in-out infinite;
  font-size: 16px;
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   CONTENTS SECTION
   ============================================================ */
.contents-section {
  padding: 100px 0;
  border-bottom: 1px solid var(--ink-4);
}
.section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--blue);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.1;
  margin-bottom: 56px;
  letter-spacing: -0.02em;
}
.section-title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--muted);
}
.contents-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}
.contents-card {
  background: var(--ink-2);
  border: 1px solid var(--ink-4);
  padding: 32px;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
  cursor: pointer;
  display: block;
}
.contents-card:hover {
  background: var(--ink-3);
  border-color: var(--ink-5);
  transform: translateY(-2px);
}
.contents-card-icon {
  font-size: 24px;
  margin-bottom: 16px;
  filter: grayscale(1);
  transition: filter 0.2s;
}
.contents-card:hover .contents-card-icon { filter: grayscale(0); }
.contents-card-part {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--blue);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.contents-card-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  margin-bottom: 4px;
}
.contents-card-range {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--lime);
  margin-bottom: 20px;
}
.contents-card-items {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.contents-card-items span {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.4;
  padding-left: 12px;
  border-left: 2px solid var(--ink-5);
}

/* ============================================================
   PART SECTIONS
   ============================================================ */
.part-section {
  padding: var(--section-gap) 0;
  border-bottom: 1px solid var(--ink-4);
}
.part-section.alt {
  background: var(--ink-2);
}
.part-header {
  margin-bottom: 72px;
}
.part-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--blue);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.part-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(40px, 5vw, 64px);
  line-height: 1.0;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.part-desc {
  max-width: 680px;
  font-size: 16px;
  line-height: 1.7;
  color: rgba(250,250,250,0.55);
}

/* ============================================================
   DECISION BLOCKS
   ============================================================ */
.decision-block {
  margin-bottom: 80px;
  padding-bottom: 80px;
  border-bottom: 1px solid var(--ink-3);
}
.decision-block:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}
.decision-header {
  display: flex;
  align-items: baseline;
  gap: 20px;
  margin-bottom: 24px;
}
.decision-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--lime);
  letter-spacing: 0.06em;
  flex-shrink: 0;
  width: 28px;
}
.decision-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.decision-body {
  font-size: 15px;
  line-height: 1.75;
  color: rgba(250,250,250,0.65);
  max-width: 760px;
  margin-bottom: 16px;
}
.decision-note {
  margin-top: 20px;
  padding: 14px 18px;
  background: var(--ink-3);
  border-left: 3px solid var(--blue);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.decision-note.danger-note {
  border-left-color: var(--danger);
  color: rgba(255,68,68,0.8);
}

/* ============================================================
   COMPARISON GRIDS
   ============================================================ */
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  margin-top: 32px;
}
.comparison-card {
  padding: 28px;
  border: 1px solid var(--ink-4);
}
.comparison-card.discarded {
  background: var(--ink-2);
  opacity: 0.7;
}
.comparison-card.adopted {
  background: rgba(58,58,245,0.06);
  border-color: rgba(58,58,245,0.3);
}
.comparison-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 20px;
  padding: 4px 8px;
  display: inline-block;
  border-radius: var(--radius-sm);
}
.discarded .comparison-badge {
  background: var(--ink-4);
  color: var(--muted);
}
.adopted .comparison-badge {
  background: rgba(58,58,245,0.2);
  color: var(--blue);
}
.comparison-item {
  margin-bottom: 16px;
}
.comparison-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.comparison-value {
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 4px;
}
.comparison-sub {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}
.comparison-arrow {
  font-size: 20px;
  color: var(--muted-2);
  margin: 8px 0;
}
.comparison-item.cost .comparison-value { color: var(--danger); }
.comparison-item.outcome .comparison-value { color: var(--lime); }

/* ============================================================
   ENDINGS GRID
   ============================================================ */
.endings-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 2px;
  margin-top: 32px;
}
.ending-card {
  background: var(--ink-2);
  border: 1px solid var(--ink-4);
  padding: 24px 20px;
  transition: border-color 0.2s;
}
.ending-card:hover { border-color: var(--ink-5); }
.ending-card.highlight {
  background: rgba(216,254,94,0.06);
  border-color: rgba(216,254,94,0.3);
}
.ending-card.danger {
  background: rgba(255,68,68,0.04);
  border-color: rgba(255,68,68,0.2);
}
.ending-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 12px;
}
.ending-title {
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 8px;
}
.ending-card.highlight .ending-title { color: var(--lime); }
.ending-card.danger .ending-title { color: var(--danger); }
.ending-desc {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}

/* ============================================================
   OBSERVATION LEDGER
   ============================================================ */
.ledger-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-top: 32px;
}
.ledger-card {
  background: var(--ink-2);
  border: 1px solid var(--ink-4);
  padding: 24px;
  transition: border-color 0.2s, background 0.2s;
}
.ledger-card:hover {
  background: var(--ink-3);
  border-color: var(--blue);
}
.ledger-num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--blue);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.ledger-title {
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 8px;
}
.ledger-desc {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
  margin-bottom: 12px;
}
.ledger-code {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lime);
  background: var(--ink-3);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  word-break: break-all;
}

/* ============================================================
   CURRENCY SPEC
   ============================================================ */
.currency-spec {
  margin-top: 32px;
  background: var(--ink-2);
  border: 1px solid var(--ink-4);
  border-radius: var(--radius);
  overflow: hidden;
}
.currency-header {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 32px;
  background: rgba(58,58,245,0.08);
  border-bottom: 1px solid var(--ink-4);
}
.currency-symbol-large {
  font-size: 56px;
  color: var(--lime);
  line-height: 1;
  animation: sparkPulse 3s ease-in-out infinite;
}
.currency-name-block { display: flex; flex-direction: column; gap: 4px; }
.currency-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 36px;
  letter-spacing: -0.02em;
}
.currency-ticker {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--blue);
  letter-spacing: 0.1em;
}
.currency-table { padding: 0; }
.currency-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  border-bottom: 1px solid var(--ink-3);
  padding: 16px 32px;
  align-items: start;
  gap: 24px;
}
.currency-row:last-child { border-bottom: none; }
.currency-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-transform: uppercase;
  padding-top: 2px;
}
.currency-val {
  font-size: 14px;
  line-height: 1.5;
  color: rgba(250,250,250,0.8);
}

/* ============================================================
   JURISDICTION TABLE
   ============================================================ */
.jurisdiction-table-wrap,
.mint-burn-table,
.token-table-wrap,
.signal-table-wrap,
.cost-table-wrap,
.collision-table-wrap,
.engine-rules-table-wrap,
.build-sequence-table-wrap {
  margin-top: 32px;
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--ink-4);
}
.data-table {
  width: 100%;
  font-size: 13px;
}
.data-table thead tr {
  background: var(--ink-3);
}
.data-table th {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 14px 20px;
  text-align: left;
  border-bottom: 1px solid var(--ink-4);
  white-space: nowrap;
}
.data-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--ink-3);
  color: rgba(250,250,250,0.75);
  line-height: 1.5;
  vertical-align: top;
}
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover td { background: var(--ink-3); }
.data-table tbody tr.highlight-row td {
  background: rgba(58,58,245,0.06);
  color: var(--white);
}
.data-table tbody tr.mint-row td { background: rgba(216,254,94,0.03); }
.data-table tbody tr.burn-row td { background: rgba(255,68,68,0.03); }
.data-table tbody tr.neutral-row td { background: rgba(136,136,136,0.05); }
.jurisdiction-flag { margin-right: 8px; }
code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--lime);
  background: var(--ink-3);
  padding: 2px 6px;
  border-radius: 3px;
}

/* ============================================================
   BADGES
   ============================================================ */
.badge-mint {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background: rgba(216,254,94,0.15);
  color: var(--lime);
  white-space: nowrap;
}
.badge-burn {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background: rgba(255,68,68,0.15);
  color: var(--danger);
  white-space: nowrap;
}
.badge-neutral {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background: var(--ink-4);
  color: var(--muted);
  white-space: nowrap;
}
.badge-zero {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--success);
  background: rgba(68,221,136,0.1);
  padding: 2px 6px;
  border-radius: 3px;
}
.badge-frontier {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--blush);
  background: rgba(249,224,235,0.1);
  padding: 2px 6px;
  border-radius: 3px;
}
.week-badge {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--lime);
  font-weight: 500;
}

/* ============================================================
   ASSERTION / FORMULA BLOCKS
   ============================================================ */
.assertion-block {
  margin-top: 20px;
  padding: 16px 20px;
  background: var(--ink-3);
  border: 1px solid var(--ink-5);
  border-radius: var(--radius);
}
.assertion-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--blue);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.assertion-code {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--lime);
  line-height: 1.6;
}
.formula-block {
  margin-top: 20px;
  padding: 16px 20px;
  background: var(--ink-3);
  border: 1px solid var(--ink-5);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--lime);
  line-height: 1.8;
  overflow-x: auto;
}

/* ============================================================
   FLIP SCENARIO
   ============================================================ */
.flip-scenario {
  margin-top: 32px;
  border: 1px solid var(--ink-4);
  border-radius: var(--radius);
  overflow: hidden;
}
.flip-prompt {
  padding: 24px 28px;
  background: rgba(255,68,68,0.06);
  border-bottom: 1px solid var(--ink-4);
}
.flip-prompt-title {
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 8px;
}
.flip-prompt-sub {
  font-size: 13px;
  color: var(--muted);
}
.flip-paths {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.flip-path {
  padding: 28px;
}
.flip-path.path-a {
  background: rgba(255,68,68,0.04);
  border-right: 1px solid var(--ink-4);
}
.flip-path.path-b {
  background: rgba(58,58,245,0.04);
}
.flip-path-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
  padding: 4px 8px;
  display: inline-block;
  border-radius: var(--radius-sm);
}
.path-a .flip-path-badge { background: rgba(255,68,68,0.15); color: var(--danger); }
.path-b .flip-path-badge { background: rgba(58,58,245,0.15); color: var(--blue); }
.flip-path-desc {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 20px;
}
.flip-costs { display: flex; flex-direction: column; gap: 12px; }
.flip-cost-item {}
.flip-cost-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.flip-cost-val {
  font-size: 13px;
  color: rgba(250,250,250,0.7);
  line-height: 1.5;
}

/* ============================================================
   SEQUENCE FLOW
   ============================================================ */
.sequence-flow {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin-top: 32px;
  overflow-x: auto;
}
.sequence-step {
  flex: 1;
  min-width: 180px;
  background: var(--ink-2);
  border: 1px solid var(--ink-4);
  padding: 24px 20px;
  transition: border-color 0.2s, background 0.2s;
}
.sequence-step:hover {
  background: var(--ink-3);
  border-color: var(--blue);
}
.sequence-arrow {
  display: flex;
  align-items: center;
  padding: 0 8px;
  color: var(--muted-2);
  font-size: 18px;
  flex-shrink: 0;
}
.sequence-num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--blue);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.sequence-title {
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 8px;
}
.sequence-desc {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}

/* ============================================================
   INVESTOR GRID
   ============================================================ */
.investor-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 2px;
  margin-top: 32px;
}
.investor-card {
  background: var(--ink-2);
  border: 1px solid var(--ink-4);
  padding: 24px 20px;
  transition: border-color 0.2s, background 0.2s;
}
.investor-card:hover {
  background: var(--ink-3);
  border-color: var(--ink-5);
}
.investor-card.danger-card {
  background: rgba(255,68,68,0.04);
  border-color: rgba(255,68,68,0.2);
}
.investor-name {
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 8px;
}
.investor-thesis {
  font-size: 12px;
  color: rgba(250,250,250,0.6);
  line-height: 1.5;
  margin-bottom: 12px;
}
.investor-cheque {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lime);
  margin-bottom: 16px;
}
.investor-blind-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--danger);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.investor-blind {
  font-size: 12px;
  color: rgba(255,68,68,0.7);
  line-height: 1.5;
}

/* ============================================================
   SUPPLY STATS
   ============================================================ */
.supply-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  margin-top: 32px;
}
.supply-stat {
  background: var(--ink-2);
  border: 1px solid var(--ink-4);
  padding: 28px 24px;
}
.supply-stat.highlight { border-color: rgba(58,58,245,0.4); background: rgba(58,58,245,0.06); }
.supply-stat.danger { border-color: rgba(255,68,68,0.3); background: rgba(255,68,68,0.04); }
.supply-stat-val {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 40px;
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  color: var(--lime);
}
.supply-stat.danger .supply-stat-val { color: var(--danger); }
.supply-stat-label {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}

/* ============================================================
   VALUATION CHAIN
   ============================================================ */
.valuation-chain {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin-top: 32px;
  overflow-x: auto;
}
.chain-step {
  flex: 1;
  min-width: 160px;
  background: var(--ink-2);
  border: 1px solid var(--ink-4);
  padding: 24px 20px;
}
.chain-arrow {
  display: flex;
  align-items: center;
  padding: 0 8px;
  color: var(--blue);
  font-size: 18px;
  flex-shrink: 0;
}
.chain-num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--blue);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.chain-title {
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 8px;
}
.chain-desc {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}

/* ============================================================
   MARKET INDEX BANDS
   ============================================================ */
.market-index-bands {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  margin-top: 32px;
}
.band {
  padding: 28px 24px;
  border: 1px solid var(--ink-4);
  position: relative;
}
.band.expansionary { background: rgba(216,254,94,0.08); border-color: rgba(216,254,94,0.3); }
.band.warm { background: rgba(58,58,245,0.06); border-color: rgba(58,58,245,0.25); }
.band.neutral { background: var(--ink-2); }
.band.contractionary { background: rgba(255,68,68,0.05); border-color: rgba(255,68,68,0.2); }
.band-val {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 48px;
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}
.expansionary .band-val { color: var(--lime); }
.warm .band-val { color: var(--blue); }
.neutral .band-val { color: var(--white); }
.contractionary .band-val { color: var(--danger); }
.band-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.band-name {
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 8px;
}
.band-desc {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}

/* ============================================================
   TWO UNITS (SPARK vs STANDING)
   ============================================================ */
.two-units {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  margin-top: 32px;
}
.unit-card {
  padding: 32px;
  border: 1px solid var(--ink-4);
}
.unit-card.spark-card {
  background: rgba(216,254,94,0.04);
  border-color: rgba(216,254,94,0.2);
}
.unit-card.standing-card {
  background: rgba(249,224,235,0.04);
  border-color: rgba(249,224,235,0.2);
}
.unit-symbol {
  font-size: 40px;
  margin-bottom: 12px;
  line-height: 1;
}
.spark-card .unit-symbol { color: var(--lime); }
.standing-card .unit-symbol { color: var(--blush); }
.unit-name {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  font-weight: 500;
  margin-bottom: 24px;
}
.spark-card .unit-name { color: var(--lime); }
.standing-card .unit-name { color: var(--blush); }
.unit-rows { display: flex; flex-direction: column; gap: 16px; }
.unit-row { display: flex; flex-direction: column; gap: 4px; }
.unit-key {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-transform: uppercase;
}
.unit-val {
  font-size: 13px;
  color: rgba(250,250,250,0.7);
  line-height: 1.5;
}

/* ============================================================
   SEASON LOOP
   ============================================================ */
.season-loop {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin-top: 32px;
  overflow-x: auto;
}
.season-step {
  flex: 1;
  min-width: 160px;
  background: var(--ink-2);
  border: 1px solid var(--ink-4);
  padding: 28px 24px;
  transition: border-color 0.2s;
}
.season-step:hover { border-color: var(--lime); }
.season-arrow {
  display: flex;
  align-items: center;
  padding: 0 8px;
  color: var(--lime);
  font-size: 18px;
  flex-shrink: 0;
}
.season-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 32px;
  color: var(--lime);
  line-height: 1;
  margin-bottom: 8px;
  opacity: 0.4;
}
.season-title {
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 8px;
}
.season-desc {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}

/* ============================================================
   LAYER SPLIT (ENGINE)
   ============================================================ */
.layer-split {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0;
  margin-top: 32px;
  align-items: stretch;
}
.layer-card {
  border: 1px solid var(--ink-4);
  padding: 28px;
}
.layer-card.deterministic {
  background: rgba(68,221,136,0.04);
  border-color: rgba(68,221,136,0.2);
}
.layer-card.model {
  background: rgba(58,58,245,0.06);
  border-color: rgba(58,58,245,0.3);
}
.layer-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  display: inline-block;
  margin-bottom: 20px;
}
.deterministic .layer-badge { background: rgba(68,221,136,0.15); color: var(--success); }
.model .layer-badge { background: rgba(58,58,245,0.2); color: var(--blue); }
.layer-items { display: flex; flex-direction: column; gap: 16px; }
.layer-item {}
.layer-item-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.layer-item-desc {
  font-size: 13px;
  color: rgba(250,250,250,0.7);
  line-height: 1.5;
}
.layer-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  font-size: 24px;
  color: var(--muted-2);
  background: var(--ink-3);
  border-top: 1px solid var(--ink-4);
  border-bottom: 1px solid var(--ink-4);
}

/* ============================================================
   ORCHESTRATION DIAGRAM
   ============================================================ */
.orchestration-diagram {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  margin-top: 32px;
  align-items: center;
}
.orch-left, .orch-right {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.orch-node {
  background: var(--ink-2);
  border: 1px solid var(--ink-4);
  padding: 16px 20px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
}
.orch-node span {
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: var(--muted);
  margin-top: 4px;
}
.orch-node.highlight-node {
  background: rgba(58,58,245,0.1);
  border-color: rgba(58,58,245,0.4);
  color: var(--white);
}
.orch-center {
  display: flex;
  align-items: center;
  justify-content: center;
}
.orch-router {
  background: var(--ink-3);
  border: 2px solid var(--blue);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  min-width: 200px;
  box-shadow: 0 0 40px rgba(58,58,245,0.2);
}
.orch-router-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--blue);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.orch-router-desc {
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 8px;
}
.orch-router-sub {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.5;
}

/* ============================================================
   OWNERSHIP THRESHOLDS
   ============================================================ */
.ownership-thresholds {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 32px;
  border: 1px solid var(--ink-4);
  border-radius: var(--radius);
  overflow: hidden;
}
.threshold {
  padding: 28px 32px;
  border-bottom: 1px solid var(--ink-4);
  display: grid;
  grid-template-columns: 140px 120px 1fr;
  gap: 24px;
  align-items: center;
}
.threshold:last-child { border-bottom: none; }
.threshold.control { background: rgba(68,221,136,0.04); }
.threshold.influence { background: rgba(58,58,245,0.04); }
.threshold.exposure { background: rgba(255,68,68,0.05); }
.threshold-pct {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.01em;
}
.control .threshold-pct { color: var(--success); }
.influence .threshold-pct { color: var(--blue); }
.exposure .threshold-pct { color: var(--danger); }
.threshold-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.threshold-state {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  display: inline-block;
}
.control .threshold-state { background: rgba(68,221,136,0.15); color: var(--success); }
.influence .threshold-state { background: rgba(58,58,245,0.15); color: var(--blue); }
.exposure .threshold-state { background: rgba(255,68,68,0.15); color: var(--danger); }
.threshold-desc {
  font-size: 13px;
  color: rgba(250,250,250,0.6);
  line-height: 1.5;
}
.threshold-arrow {
  text-align: center;
  padding: 8px;
  color: var(--muted-2);
  font-size: 18px;
  background: var(--ink-2);
  border-bottom: 1px solid var(--ink-4);
}

/* ============================================================
   METERS GRID
   ============================================================ */
.meters-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-top: 32px;
}
.meter-card {
  background: var(--ink-2);
  border: 1px solid var(--ink-4);
  padding: 28px 24px;
  transition: border-color 0.2s;
}
.meter-card:hover { border-color: var(--lime); }
.meter-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 40px;
  color: var(--lime);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: 12px;
}
.meter-title {
  font-weight: 700;
  font-size: 18px;
  margin-bottom: 12px;
}
.meter-desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

/* ============================================================
   LIQUIDITY GOVERNOR
   ============================================================ */
.liquidity-governor {
  margin-top: 32px;
  border: 1px solid var(--ink-4);
  border-radius: var(--radius);
  overflow: hidden;
}
.liq-question {
  padding: 24px 28px;
  background: var(--ink-3);
  border-bottom: 1px solid var(--ink-4);
  font-weight: 600;
  font-size: 15px;
  line-height: 1.5;
}
.liq-question span {
  display: block;
  font-size: 12px;
  font-weight: 400;
  color: var(--muted);
  margin-top: 6px;
  font-family: var(--font-mono);
}
.liq-paths {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.liq-path {
  padding: 28px;
}
.liq-path.no { background: rgba(255,68,68,0.04); border-right: 1px solid var(--ink-4); }
.liq-path.yes { background: rgba(68,221,136,0.04); }
.liq-path-label {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
}
.no .liq-path-label { color: var(--danger); }
.yes .liq-path-label { color: var(--success); }
.liq-path-title {
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 8px;
}
.liq-path-desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

/* ============================================================
   RULES CARD
   ============================================================ */
.rules-card {
  margin-top: 32px;
  background: var(--ink-2);
  border: 1px solid var(--ink-4);
  border-radius: var(--radius);
  overflow: hidden;
}
.rules-card-header {
  padding: 16px 28px;
  background: var(--ink-3);
  border-bottom: 1px solid var(--ink-4);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
}
.rules-list {
  padding: 8px 0;
}
.rule-item {
  display: flex;
  align-items: baseline;
  gap: 20px;
  padding: 16px 28px;
  border-bottom: 1px solid var(--ink-3);
  transition: background 0.2s;
}
.rule-item:last-child { border-bottom: none; }
.rule-item:hover { background: var(--ink-3); }
.rule-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--lime);
  font-weight: 500;
  flex-shrink: 0;
  width: 24px;
}
.rule-text {
  font-size: 15px;
  line-height: 1.5;
  color: rgba(250,250,250,0.85);
}

/* ============================================================
   OPEN DECISIONS
   ============================================================ */
.open-decisions {
  margin-top: 32px;
  background: var(--ink-2);
  border: 1px solid var(--ink-4);
  border-radius: var(--radius);
  overflow: hidden;
}
.open-decisions-title {
  padding: 14px 24px;
  background: var(--ink-3);
  border-bottom: 1px solid var(--ink-4);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
}
.open-decisions-list {
  padding: 8px 0;
}
.open-decision-item {
  padding: 14px 24px;
  border-bottom: 1px solid var(--ink-3);
  font-size: 14px;
  color: rgba(250,250,250,0.7);
  line-height: 1.6;
  padding-left: 40px;
  position: relative;
}
.open-decision-item:last-child { border-bottom: none; }
.open-decision-item::before {
  content: '—';
  position: absolute;
  left: 24px;
  color: var(--blue);
  font-family: var(--font-mono);
}

/* ============================================================
   NOT IN FIRST EIGHT WEEKS
   ============================================================ */
.not-in-first-eight {
  margin-top: 24px;
  padding: 20px 24px;
  background: var(--ink-3);
  border: 1px solid var(--ink-5);
  border-radius: var(--radius);
}
.nife-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.nife-items {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}
.nife-items span {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 4px 10px;
  background: var(--ink-4);
  border: 1px solid var(--ink-5);
  border-radius: var(--radius-sm);
  color: var(--muted);
}
.nife-note {
  font-size: 13px;
  color: var(--muted);
  font-style: italic;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--ink-2);
  border-top: 1px solid var(--ink-4);
  padding: 64px 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 8px;
}
.footer-logo .spark-symbol { font-size: 18px; }
.footer-studio {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}
.footer-tagline {
  font-family: var(--font-serif);
  font-size: 20px;
  line-height: 1.4;
  text-align: center;
  color: rgba(250,250,250,0.6);
}
.footer-tagline em {
  font-style: italic;
  color: var(--white);
}
.footer-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 6px;
  letter-spacing: 0.04em;
}
.footer-confidential {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted-2);
  margin-top: 16px;
  line-height: 1.5;
}

/* ============================================================
   SCROLL REVEAL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .contents-grid { grid-template-columns: repeat(2, 1fr); }
  .investor-grid { grid-template-columns: repeat(3, 1fr); }
  .endings-grid { grid-template-columns: repeat(3, 1fr); }
  .supply-stats { grid-template-columns: repeat(2, 1fr); }
  .market-index-bands { grid-template-columns: repeat(2, 1fr); }
  .orchestration-diagram { grid-template-columns: 1fr; }
  .orch-center { padding: 16px 0; }
  .layer-split { grid-template-columns: 1fr; }
  .layer-divider { padding: 16px; writing-mode: horizontal-tb; }
  .threshold { grid-template-columns: 1fr 1fr; }
  .threshold-desc { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  :root { --section-gap: 72px; }
  .nav-links, .nav-meta { display: none; }
  .nav-hamburger { display: flex; }
  .container { padding: 0 20px; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .contents-grid { grid-template-columns: 1fr; }
  .comparison-grid { grid-template-columns: 1fr; }
  .two-units { grid-template-columns: 1fr; }
  .flip-paths { grid-template-columns: 1fr; }
  .flip-path.path-a { border-right: none; border-bottom: 1px solid var(--ink-4); }
  .investor-grid { grid-template-columns: repeat(2, 1fr); }
  .endings-grid { grid-template-columns: repeat(2, 1fr); }
  .ledger-grid { grid-template-columns: repeat(2, 1fr); }
  .supply-stats { grid-template-columns: repeat(2, 1fr); }
  .market-index-bands { grid-template-columns: repeat(2, 1fr); }
  .meters-grid { grid-template-columns: 1fr; }
  .sequence-flow { flex-direction: column; }
  .sequence-arrow { transform: rotate(90deg); align-self: center; }
  .valuation-chain { flex-direction: column; }
  .chain-arrow { transform: rotate(90deg); align-self: center; }
  .season-loop { flex-direction: column; }
  .season-arrow { transform: rotate(90deg); align-self: center; }
  .currency-row { grid-template-columns: 100px 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-tagline { text-align: left; }
  .liq-paths { grid-template-columns: 1fr; }
  .liq-path.no { border-right: none; border-bottom: 1px solid var(--ink-4); }
  .threshold { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .investor-grid { grid-template-columns: 1fr; }
  .endings-grid { grid-template-columns: 1fr; }
  .ledger-grid { grid-template-columns: 1fr; }
  .supply-stats { grid-template-columns: 1fr; }
  .market-index-bands { grid-template-columns: 1fr; }
  .hero-title { font-size: 40px; }
}