/* AgentLedger - Dark fintech aesthetic */
:root {
  --bg: #08080d;
  --bg-surface: #0f0f16;
  --bg-card: #12121c;
  --fg: #e8e8f0;
  --fg-muted: #7878a0;
  --accent: #00c8f0;
  --amber: #f5a623;
  --green: #00e87a;
  --border: #1a1a2e;
}

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

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

/* Nav */
.nav {
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 100;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-name {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.3px;
}
.nav-tagline {
  font-size: 13px;
  color: var(--fg-muted);
  font-family: 'DM Mono', monospace;
}

/* Hero */
.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 48px 64px;
  border-bottom: 1px solid var(--border);
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  color: var(--accent);
  margin-bottom: 28px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.eyebrow-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
.hero-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(42px, 6vw, 76px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -2px;
  color: var(--fg);
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 560px;
  margin-bottom: 48px;
  line-height: 1.7;
}
.hero-stat-row {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 24px 0;
  border-top: 1px solid var(--border);
}
.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat-value {
  font-family: 'Syne', sans-serif;
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -1px;
}
.stat-label {
  font-size: 13px;
  color: var(--fg-muted);
}
.hero-stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
  margin: 0 48px;
}

/* Proof */
.proof {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 48px;
  border-bottom: 1px solid var(--border);
}
.proof-label {
  font-size: 12px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-family: 'DM Mono', monospace;
  margin-bottom: 16px;
}
.proof-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.proof-tag {
  font-size: 12px;
  padding: 6px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--fg-muted);
}

/* Features */
.features {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 48px;
  border-bottom: 1px solid var(--border);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.feature-card {
  padding: 32px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.feature-icon {
  margin-bottom: 20px;
}
.feature-card h3 {
  font-family: 'Syne', sans-serif;
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}
.feature-card p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* How it works */
.how-it-works {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 48px;
  border-bottom: 1px solid var(--border);
}
.section-title {
  font-family: 'Syne', sans-serif;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--fg-muted);
  margin-bottom: 48px;
}
.steps {
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.step {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}
.step-number {
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  color: var(--accent);
  font-weight: 500;
  padding-top: 4px;
  flex-shrink: 0;
}
.step-content h3 {
  font-family: 'Syne', sans-serif;
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}
.step-content p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 600px;
}

/* Insight */
.insight {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.insight-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 48px;
}
.insight-quote {
  font-family: 'DM Mono', monospace;
  font-size: 14px;
  color: var(--amber);
  margin-bottom: 24px;
}
.insight-body {
  font-size: 16px;
  color: var(--fg-muted);
  line-height: 1.8;
  max-width: 640px;
}

/* Closing */
.closing {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 48px;
}
.closing-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.1;
  margin-bottom: 20px;
}
.closing-sub {
  font-size: 16px;
  color: var(--fg-muted);
  max-width: 480px;
  line-height: 1.7;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 15px;
}
.footer-note {
  font-size: 13px;
  color: var(--fg-muted);
}

/* Mobile */
@media (max-width: 768px) {
  .nav { padding: 16px 24px; }
  .hero { padding: 48px 24px 40px; }
  .proof { padding: 24px; }
  .features { padding: 48px 24px; }
  .features-grid { grid-template-columns: 1fr; }
  .how-it-works { padding: 48px 24px; }
  .insight-inner { padding: 48px 24px; }
  .closing { padding: 48px 24px; }
  .footer-inner { padding: 24px; flex-direction: column; gap: 12px; }
  .hero-stat-row { flex-direction: column; gap: 24px; }
  .hero-stat-divider { display: none; }
  .hero-headline { letter-spacing: -1px; }
}