:root {
  --bg: #0a0a0a;
  --bg-secondary: #111111;
  --bg-tertiary: #1a1a1a;
  --fg: #fafafa;
  --fg-muted: #888888;
  --fg-dim: #555555;
  --accent: #f59e0b;
  --accent-dim: rgba(245, 158, 11, 0.15);
  --border: #222222;
  --border-light: #1e1e1e;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: var(--fg);
}
.nav-badge {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 4px 10px;
  border-radius: 100px;
  letter-spacing: 0.02em;
}

/* Section label */
.section-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 48px;
}

/* Hero */
.hero {
  padding: 160px 32px 100px;
  max-width: 1200px;
  margin: 0 auto;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 80px;
  align-items: center;
}
.hero-eyebrow {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-headline {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.6;
  max-width: 520px;
}
.hero-stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.stat-label {
  font-size: 13px;
  color: var(--fg-muted);
  font-weight: 500;
}
.stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.02em;
}

/* Wallet Demo */
.wallet-demo {
  padding: 80px 32px;
  background: var(--bg-secondary);
}
.wallet-demo-inner {
  max-width: 800px;
  margin: 0 auto;
}
.wallet-window {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  font-family: 'Space Grotesk', sans-serif;
}
.wallet-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}
.wallet-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-muted);
  font-family: 'Space Grotesk', monospace;
}
.wallet-status {
  font-size: 12px;
  color: #22c55e;
  font-weight: 600;
}
.wallet-body {
  padding: 24px;
}
.wallet-balance {
  margin-bottom: 24px;
}
.balance-label {
  display: block;
  font-size: 11px;
  color: var(--fg-dim);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.balance-value {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--fg);
}
.wallet-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 24px;
}
.meta-item {}
.meta-label {
  display: block;
  font-size: 11px;
  color: var(--fg-dim);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.meta-value {
  font-size: 14px;
  font-weight: 600;
  color: var(--fg);
}
.meta-value.mono {
  font-family: 'Space Grotesk', monospace;
  font-size: 12px;
  color: var(--fg-muted);
}
.wallet-transactions {}
.tx-header {
  font-size: 11px;
  color: var(--fg-dim);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.tx-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-light);
}
.tx-row:last-child { border-bottom: none; }
.tx-desc {
  font-size: 13px;
  color: var(--fg-muted);
}
.tx-amount {
  font-size: 13px;
  font-weight: 600;
  color: var(--fg);
}
.tx-credit { color: #22c55e; }

/* How It Works */
.how-it-works {
  padding: 100px 32px;
  max-width: 1200px;
  margin: 0 auto;
}
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 48px;
}
.step-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 48px;
  font-weight: 700;
  color: var(--accent-dim);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 16px;
}
.step-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.step-desc {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* Agent Types */
.agent-types {
  padding: 80px 32px;
  background: var(--bg-secondary);
}
.agent-types-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.agent-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.agent-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  transition: border-color 0.2s;
}
.agent-card:hover {
  border-color: var(--accent);
}
.agent-icon {
  color: var(--accent);
  margin-bottom: 16px;
}
.agent-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.agent-desc {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.5;
  margin-bottom: 16px;
}
.agent-flow {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.flow-tag {
  font-size: 11px;
  font-weight: 500;
  color: var(--fg-dim);
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  padding: 4px 8px;
  border-radius: 6px;
  display: inline-block;
}

/* Features */
.features {
  padding: 100px 32px;
  max-width: 1200px;
  margin: 0 auto;
}
.feature-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.feature-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.feature-icon {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}
.feature-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}
.feature-desc {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* Manifesto */
.manifesto {
  padding: 100px 32px;
  background: var(--bg-secondary);
}
.manifesto-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.manifesto-statement {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 24px;
}
.manifesto-sub {
  font-size: 16px;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* Footer */
.footer {
  padding: 40px 32px;
  border-top: 1px solid var(--border-light);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--fg);
  margin-right: 8px;
}
.footer-tagline {
  font-size: 14px;
  color: var(--fg-muted);
}
.footer-brand { display: flex; align-items: center; }
.footer-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}
.footer-status {
  font-size: 12px;
  color: var(--accent);
  font-weight: 500;
}
.footer-copy {
  font-size: 12px;
  color: var(--fg-dim);
}

/* Responsive */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-stat-card { display: none; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .agent-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-list { grid-template-columns: repeat(2, 1fr); }
  .wallet-meta { grid-template-columns: 1fr; gap: 12px; }
}
@media (max-width: 600px) {
  .hero { padding: 120px 20px 60px; }
  .steps { grid-template-columns: 1fr; }
  .agent-grid { grid-template-columns: 1fr; }
  .feature-list { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 16px; }
  .footer-meta { align-items: flex-start; }
}