/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0c0c0e;
  --bg-alt: #111115;
  --fg: #f0ede6;
  --fg-muted: #7a7570;
  --lime: #c8ff00;
  --lime-dim: rgba(200,255,0,0.12);
  --warm: #e8d5b7;
  --warm-dim: rgba(232,213,183,0.08);
  --border: rgba(240,237,230,0.08);
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-mono: 'Geist Mono', 'Courier New', monospace;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--lime); border-radius: 3px; }

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 40px;
  background: rgba(12,12,14,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--fg);
}

.logo-suffix { color: var(--lime); }

.nav-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lime);
  background: var(--lime-dim);
  border: 1px solid rgba(200,255,0,0.2);
  padding: 4px 10px;
  border-radius: 20px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ===== MANIFESTO ===== */
.manifesto {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 40px 100px;
  position: relative;
  overflow: hidden;
}

.manifesto::before {
  content: '';
  position: absolute;
  top: 0;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(200,255,0,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.manifesto::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(232,213,183,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.manifesto-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.manifesto-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lime);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.manifesto-tag::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--lime);
}

.manifesto-headline {
  font-family: var(--font-serif);
  font-size: clamp(42px, 5vw, 72px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 28px;
}

.manifesto-sub {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  color: var(--fg-muted);
  max-width: 480px;
}

.manifesto-metric-row {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding-top: 20px;
}

.metric {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 20px;
  border-left: 1px solid var(--lime);
}

.metric-value {
  font-family: var(--font-serif);
  font-size: 36px;
  color: var(--lime);
  font-style: italic;
  line-height: 1;
}

.metric-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ===== SECTION TAG ===== */
.section-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lime);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-tag::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--lime);
}

/* ===== OPERATING MODEL ===== */
.op-model {
  padding: 100px 40px;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}

.op-model-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.op-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 60px;
}

.op-card {
  background: var(--bg-alt);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: background 0.2s;
}

.op-card:hover { background: #16161c; }

.op-card-icon {
  width: 48px;
  height: 48px;
  background: var(--lime-dim);
  border: 1px solid rgba(200,255,0,0.15);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
}

.op-card h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 400;
  color: var(--fg);
  font-style: italic;
}

.op-card p {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--fg-muted);
}

.op-aside {
  border-left: 1px solid var(--lime);
  padding-left: 40px;
}

.callout-text {
  font-family: var(--font-serif);
  font-size: 20px;
  line-height: 1.5;
  color: var(--fg);
  font-style: italic;
  margin-bottom: 16px;
}

.callout-attr {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-muted);
  letter-spacing: 0.06em;
}

/* ===== LEDGER ===== */
.ledger {
  padding: 100px 40px;
  border-top: 1px solid var(--border);
}

.ledger-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.ledger-headline {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 400;
  font-style: italic;
  line-height: 1.25;
  color: var(--fg);
  margin-bottom: 60px;
  max-width: 700px;
}

.ledger-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px 40px;
}

.ledger-item {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.ledger-icon {
  width: 44px;
  height: 44px;
  background: var(--lime-dim);
  border: 1px solid rgba(200,255,0,0.15);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ledger-item h4 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 400;
  font-style: italic;
  color: var(--fg);
}

.ledger-item p {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--fg-muted);
}

/* ===== SIGNAL ===== */
.signal {
  padding: 120px 40px;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.signal::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(200,255,0,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.signal-inner {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.signal-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lime);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 32px;
}

.signal-headline {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 56px);
  font-weight: 400;
  font-style: italic;
  line-height: 1.2;
  color: var(--fg);
  margin-bottom: 28px;
}

.signal-body {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  color: var(--fg-muted);
  max-width: 560px;
  margin: 0 auto 48px;
}

.cta-text {
  font-family: var(--font-serif);
  font-size: 20px;
  font-style: italic;
  color: var(--warm);
}

/* ===== FOOTER ===== */
.footer {
  padding: 60px 40px 40px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}

.footer-logo {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--fg);
  margin-bottom: 8px;
  display: block;
}

.footer-logo-suffix { color: var(--lime); }

.footer-tagline {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-muted);
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-muted);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .manifesto-inner { grid-template-columns: 1fr; gap: 48px; }
  .op-grid { grid-template-columns: 1fr 1fr; }
  .ledger-grid { grid-template-columns: 1fr 1fr; }
  .op-aside { border-left: none; border-top: 1px solid var(--lime); padding-left: 0; padding-top: 24px; }
}

@media (max-width: 600px) {
  .nav { padding: 16px 20px; }
  .manifesto { padding: 120px 20px 80px; }
  .op-model { padding: 80px 20px; }
  .op-grid { grid-template-columns: 1fr; }
  .ledger { padding: 80px 20px; }
  .ledger-grid { grid-template-columns: 1fr; gap: 36px; }
  .signal { padding: 80px 20px; }
  .footer { padding: 40px 20px; }
  .footer-inner { flex-direction: column; gap: 20px; align-items: flex-start; }
  .manifesto-metric-row { flex-direction: row; flex-wrap: wrap; gap: 20px; }
  .metric { border-left: none; border-top: 1px solid var(--lime); padding-left: 0; padding-top: 12px; }
}