:root {
  --bg-primary: #0c0c0f;
  --bg-secondary: #141418;
  --bg-card: #1a1a1f;
  --text-primary: #ffffff;
  --text-secondary: #8888a0;
  --text-muted: #5c5c6e;
  --accent: #6c63ff;
  --accent-light: #8b85ff;
  --accent-dim: rgba(108, 99, 255, 0.15);
  --success: #22c55e;
  --border: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.12);
}

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

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

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 40px;
  background: rgba(12, 12, 15, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

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

.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.nav-tag {
  font-size: 12px;
  color: var(--accent-light);
  background: var(--accent-dim);
  padding: 6px 12px;
  border-radius: 20px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 40px 80px;
  position: relative;
  overflow: hidden;
}

.hero-gradient {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(108, 99, 255, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  max-width: 900px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.hero-headline {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(48px, 8vw, 80px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -3px;
  margin-bottom: 28px;
  background: linear-gradient(180deg, #ffffff 0%, #8888a0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subhead {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 60px;
  line-height: 1.7;
}

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

.workflow-diagram {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px 32px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 16px;
}

.workflow-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.node-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  color: var(--text-secondary);
}

.node-ai .ai-icon {
  background: var(--accent-dim);
  color: var(--accent-light);
  border-color: rgba(108, 99, 255, 0.3);
}

.workflow-node span {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.workflow-arrow {
  color: var(--text-muted);
}

/* Features */
.features {
  padding: 100px 40px;
  background: var(--bg-primary);
}

.features-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px;
}

.features-header h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 40px;
  font-weight: 600;
  letter-spacing: -1.5px;
  margin-bottom: 16px;
}

.features-header p {
  color: var(--text-secondary);
  font-size: 17px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.feature-card {
  padding: 36px 32px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 20px;
  transition: border-color 0.3s ease;
}

.feature-card:hover {
  border-color: var(--border-light);
}

.feature-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.feature-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.65;
}

/* How It Works */
.how-it-works {
  padding: 100px 40px;
  background: var(--bg-secondary);
}

.how-content {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.how-text h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 36px;
  font-weight: 600;
  letter-spacing: -1px;
  margin-bottom: 12px;
}

.how-description {
  color: var(--text-secondary);
  font-size: 17px;
  margin-bottom: 32px;
}

.how-list {
  list-style: none;
}

.how-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
  font-size: 16px;
}

.check-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  color: var(--accent-light);
  border-radius: 6px;
  font-size: 14px;
  flex-shrink: 0;
}

/* Dashboard Mock */
.dashboard-mock {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 28px;
}

.mock-header {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.mock-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

.mock-metric {
  padding: 20px;
  background: var(--bg-secondary);
  border-radius: 12px;
}

.metric-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 32px;
  font-weight: 700;
  display: block;
  margin-bottom: 4px;
}

.metric-label {
  font-size: 13px;
  color: var(--text-muted);
}

.mock-ai-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--accent-dim);
  border-radius: 8px;
  font-size: 13px;
  color: var(--accent-light);
}

.ai-dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

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

/* Vision */
.vision {
  padding: 120px 40px;
  text-align: center;
}

.vision-quote {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 500;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 20px;
  line-height: 1.4;
  font-style: italic;
}

.vision-attr {
  font-size: 14px;
  color: var(--text-muted);
}

/* Footer */
.footer {
  padding: 40px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 18px;
  font-weight: 600;
  display: block;
  margin-bottom: 4px;
}

.footer-tagline {
  font-size: 14px;
  color: var(--text-muted);
}

.footer-built {
  font-size: 12px;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
  .nav {
    padding: 16px 20px;
  }

  .hero {
    padding: 100px 20px 60px;
  }

  .hero-headline {
    letter-spacing: -1.5px;
  }

  .workflow-diagram {
    flex-direction: column;
    gap: 12px;
    padding: 20px;
  }

  .workflow-arrow {
    transform: rotate(90deg);
  }

  .features {
    padding: 60px 20px;
  }

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

  .how-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .how-it-works {
    padding: 60px 20px;
  }

  .vision {
    padding: 80px 20px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
}