:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a24;
  --text-primary: #f5f5f7;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --accent-primary: #6366f1;
  --accent-secondary: #8b5cf6;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --border-color: rgba(255, 255, 255, 0.08);
}

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

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Outfit', -apple-system, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 1.25rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-tag {
  font-size: 0.75rem;
  padding: 0.375rem 0.75rem;
  background: var(--accent-gradient);
  border-radius: 9999px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* Hero */
.hero {
  padding: 10rem 2rem 6rem;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-tag {
  display: inline-block;
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 4px;
  color: var(--accent-primary);
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-lede {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 480px;
  margin-bottom: 3rem;
  line-height: 1.7;
}

.hero-metrics {
  display: flex;
  gap: 3rem;
}

.metric {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.metric-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.metric-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Flow Diagram */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flow-diagram {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 2rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
}

.flow-node {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--bg-tertiary);
  border-radius: 8px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.flow-node.active {
  background: var(--accent-gradient);
  color: white;
}

.node-icon {
  font-size: 0.75rem;
}

.flow-line {
  display: none;
}

/* Features */
.features {
  padding: 6rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 4px;
  color: var(--accent-primary);
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.feature-card {
  padding: 2rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  transition: all 0.3s ease;
}

.feature-card:hover {
  border-color: rgba(99, 102, 241, 0.4);
  transform: translateY(-2px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-gradient);
  border-radius: 12px;
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
}

.feature-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* How It Works */
.how {
  padding: 6rem 2rem;
  background: var(--bg-secondary);
}

.how-content {
  max-width: 900px;
  margin: 0 auto;
}

.how-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 3rem;
  letter-spacing: -0.02em;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.step {
  display: flex;
  gap: 2rem;
  padding: 1.5rem;
  background: var(--bg-primary);
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.step-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  min-width: 60px;
}

.step-content h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.step-content p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

/* Closing */
.closing {
  padding: 8rem 2rem;
  text-align: center;
}

.closing-content {
  max-width: 800px;
  margin: 0 auto;
}

.closing-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.75rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.closing-text {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
}

.closing-tagline {
  display: inline-block;
  font-size: 0.75rem;
  padding: 0.5rem 1rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Footer */
.footer {
  padding: 3rem 2rem;
  border-top: 1px solid var(--border-color);
}

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

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.footer-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 1rem;
}

.footer-slug {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer-meta {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 8rem 1.5rem 4rem;
    gap: 3rem;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-metrics {
    gap: 2rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .section-title,
  .how-title,
  .closing-title {
    font-size: 2rem;
  }

  .step {
    flex-direction: column;
    gap: 1rem;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 6rem 1rem 3rem;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-lede {
    font-size: 1rem;
  }

  .hero-metrics {
    flex-direction: column;
    gap: 1.5rem;
  }

  .feature-card {
    padding: 1.5rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}