/* Via AI — Global Styles */
/* Dark mode (#0f1117), spacious, clean */

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

:root {
  --bg: #0f1117;
  --bg-card: #161822;
  --bg-hover: #1c1f2e;
  --border: #2a2d3e;
  --text: #e4e4e7;
  --text-muted: #71717a;
  --primary: #7c3aed;
  --primary-hover: #6d28d9;
  --primary-bg: rgba(124, 58, 237, 0.15);
  --success: #22c55e;
  --success-bg: rgba(34, 197, 94, 0.15);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.15);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.15);
  --radius: 8px;
  --radius-lg: 12px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 8px 20px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: background 0.2s, opacity 0.2s;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); text-decoration: none; }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--bg-hover); text-decoration: none; }
.btn-lg { padding: 12px 28px; font-size: 16px; }

/* Nav */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(15, 17, 23, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; height: 56px;
}
.nav-brand { font-size: 20px; font-weight: 700; color: var(--text); }
.nav-brand:hover { text-decoration: none; }
.nav-brand-ai { color: var(--primary); margin-left: 2px; }
.nav-links { display: flex; align-items: center; gap: 16px; }
.nav-links a { color: var(--text-muted); font-size: 14px; }
.nav-links a:hover { color: var(--text); text-decoration: none; }

/* Hero */
.hero {
  padding: 140px 24px 80px;
  text-align: center;
}
.hero-inner { max-width: 700px; margin: 0 auto; }
.hero-title {
  font-size: 48px; font-weight: 800; line-height: 1.1;
  letter-spacing: -1px; margin-bottom: 20px;
}
.hero-subtitle {
  font-size: 18px; color: var(--text-muted);
  max-width: 540px; margin: 0 auto 32px;
}
.hero-actions { display: flex; gap: 12px; justify-content: center; margin-bottom: 48px; }
.hero-stats { display: flex; gap: 48px; justify-content: center; }
.stat { text-align: center; }
.stat-value { display: block; font-size: 28px; font-weight: 700; font-family: 'SF Mono', monospace; }
.stat-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }

/* Sections */
.section { padding: 80px 24px; }
.section-dark { background: var(--bg-card); }
.section-inner { max-width: 1000px; margin: 0 auto; }
.section-title { font-size: 32px; font-weight: 700; text-align: center; margin-bottom: 12px; }
.section-subtitle { font-size: 16px; color: var(--text-muted); text-align: center; margin-bottom: 48px; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px;
}
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--primary-bg); color: var(--primary);
  font-weight: 700; font-size: 14px; margin-bottom: 16px;
}
.step h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--text-muted); line-height: 1.5; }

/* Tracks */
.tracks { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.track {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px;
}
.track h3 { font-size: 20px; font-weight: 600; margin-bottom: 8px; }
.track p { font-size: 14px; color: var(--text-muted); margin-bottom: 16px; }
.track ul { list-style: none; }
.track li { font-size: 14px; color: var(--text-muted); padding: 4px 0; }
.track li::before { content: "→ "; color: var(--primary); }
.track-badge {
  display: inline-block; padding: 4px 12px; border-radius: 20px;
  font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px;
  background: var(--primary-bg); color: var(--primary); margin-bottom: 16px;
}
.track-badge-exodus { background: var(--success-bg); color: var(--success); }

/* Pricing */
.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.price-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px; text-align: center;
}
.price-card-primary { border-color: var(--primary); }
.price-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 12px; }
.price { font-size: 36px; font-weight: 700; margin-bottom: 12px; font-family: 'SF Mono', monospace; }
.price-unit { font-size: 14px; font-weight: 400; color: var(--text-muted); }
.price-card p { font-size: 14px; color: var(--text-muted); }

/* CTA */
.cta { text-align: center; }
.cta h2 { font-size: 32px; font-weight: 700; margin-bottom: 12px; }
.cta p { font-size: 16px; color: var(--text-muted); margin-bottom: 24px; }

/* Footer */
.footer { padding: 24px; border-top: 1px solid var(--border); }
.footer-inner { max-width: 1100px; margin: 0 auto; text-align: center; font-size: 13px; color: var(--text-muted); }

/* Responsive */
@media (max-width: 768px) {
  .hero-title { font-size: 32px; }
  .steps { grid-template-columns: 1fr; }
  .tracks { grid-template-columns: 1fr; }
  .pricing { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .nav-links a:not(.btn) { display: none; }
}