:root {
  --bg: #0d1117;
  --surface: #161b22;
  --surface-2: #21262d;
  --fg: #e6edf3;
  --fg-muted: #8b949e;
  --accent: #f59e0b;
  --accent-dim: #d97706;
  --accent-glow: rgba(245, 158, 11, 0.15);
  --border: #30363d;
  --green: #3fb950;
  --green-dim: rgba(63, 185, 80, 0.1);
  --radius: 8px;
  --radius-lg: 14px;
}

* { 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;
}

h1, h2, h3 { font-family: 'Fraunces', serif; }

/* NAVBAR */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav-brand {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--fg);
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-mark { color: var(--accent); font-size: 1.1rem; }

.nav-links { display: flex; gap: 12px; align-items: center; margin-left: auto; }

.nav-link {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: var(--radius);
  transition: all 0.15s;
}
.nav-link:hover { color: var(--fg); }
.nav-link-accent {
  background: var(--accent);
  color: #000 !important;
  font-weight: 600;
}
.nav-link-accent:hover { background: var(--accent-dim); }

.nav-tagline {
  font-size: 0.8rem;
  color: var(--fg-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* HERO */
.hero {
  padding: 80px 48px 64px;
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-eyebrow {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 16px;
  font-weight: 600;
}

.hero-headline {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--fg);
  margin-bottom: 20px;
}

.hero-lede {
  font-size: 1.05rem;
  color: var(--fg-muted);
  max-width: 480px;
  margin-bottom: 36px;
}

.hero-stats {
  display: flex;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
  width: fit-content;
}

.stat {
  padding: 16px 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-value {
  font-family: 'Fraunces', serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.72rem;
  color: var(--fg-muted);
  max-width: 110px;
  line-height: 1.3;
}

.stat-divider {
  width: 1px;
  background: var(--border);
}

/* DEMO WIDGET */
.demo-widget {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 24px;
}

.demo-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-muted);
  margin-bottom: 16px;
}

.demo-exchanges { display: flex; flex-direction: column; gap: 12px; }

.exchange {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.85rem;
  line-height: 1.4;
}

.exchange.incoming { background: var(--surface-2); }
.exchange.ai { background: var(--accent-glow); border-left: 3px solid var(--accent); }

.ex-label {
  display: block;
  font-size: 0.7rem;
  color: var(--fg-muted);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ex-text { color: var(--fg); }

.demo-status {
  margin-top: 16px;
  font-size: 0.75rem;
  color: var(--green);
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* PROOF */
.proof { padding: 64px 48px; border-bottom: 1px solid var(--border); }
.proof-inner { max-width: 1200px; margin: 0 auto; }
.proof-overline {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
  margin-bottom: 32px;
}
.proof-list { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.proof-item {
  display: flex;
  gap: 16px;
  padding: 20px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.proof-icon { font-size: 1.5rem; flex-shrink: 0; }
.proof-detail strong { display: block; color: var(--fg); margin-bottom: 4px; font-size: 0.95rem; }
.proof-detail span { font-size: 0.82rem; color: var(--fg-muted); line-height: 1.4; }

/* HOW IT WORKS */
.howitworks { padding: 80px 48px; border-bottom: 1px solid var(--border); }
.hiw-inner { max-width: 1200px; margin: 0 auto; }
.section-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 48px;
}
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.step-number {
  font-family: 'Fraunces', serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.35;
  margin-bottom: 16px;
}
.step-title { font-size: 1.1rem; font-weight: 600; margin-bottom: 10px; }
.step-body { font-size: 0.88rem; color: var(--fg-muted); line-height: 1.5; }

/* PACKAGES */
.packages { padding: 80px 48px; border-bottom: 1px solid var(--border); }
.packages-inner { max-width: 1200px; margin: 0 auto; }
.pricing-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; max-width: 800px; }
.pricing-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.pricing-card.featured {
  border-color: var(--accent);
  background: linear-gradient(135deg, var(--surface) 0%, rgba(245,158,11,0.05) 100%);
}
.card-header { margin-bottom: 12px; }
.plan-name {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-weight: 600;
  display: block;
  margin-bottom: 8px;
}
.plan-price { display: flex; align-items: baseline; gap: 4px; }
.price-amount {
  font-family: 'Fraunces', serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--fg);
}
.price-period { font-size: 0.85rem; color: var(--fg-muted); }
.plan-desc { font-size: 0.85rem; color: var(--fg-muted); margin-bottom: 20px; }
.plan-features { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.plan-features li {
  font-size: 0.88rem;
  color: var(--fg);
  padding-left: 20px;
  position: relative;
}
.plan-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--green);
  font-size: 0.8rem;
}
.pricing-note {
  margin-top: 24px;
  font-size: 0.8rem;
  color: var(--fg-muted);
}

/* CLOSING */
.closing { padding: 96px 48px; text-align: center; }
.closing-inner { max-width: 700px; margin: 0 auto; }
.closing-headline {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--fg);
}
.closing-sub {
  font-size: 1rem;
  color: var(--fg-muted);
  margin-bottom: 32px;
}
.closing-promise {
  display: flex;
  justify-content: center;
  gap: 32px;
  font-size: 0.85rem;
  color: var(--fg-muted);
}
.closing-promise span::before { content: '✓ '; color: var(--green); }

/* FOOTER */
.footer { padding: 40px 48px; border-top: 1px solid var(--border); }
.footer-inner { max-width: 1200px; margin: 0 auto; text-align: center; }
.footer-brand {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 8px;
}
.footer-brand .brand-mark { color: var(--accent); }
.footer-tagline { font-size: 0.82rem; color: var(--fg-muted); margin-bottom: 8px; }
.footer-copy { font-size: 0.75rem; color: var(--fg-muted); opacity: 0.6; }

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-right { display: none; }
  .proof-list { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .pricing-cards { grid-template-columns: 1fr; }
  .hero, .proof, .howitworks, .packages, .closing { padding: 48px 24px; }
  .navbar { padding: 16px 24px; }
  .hero-stats { flex-direction: column; }
  .stat-divider { width: 100%; height: 1px; }
  .closing-promise { flex-direction: column; gap: 12px; }
}