:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #1a1a24;
  --text-primary: #f0f0f5;
  --text-secondary: #8888a0;
  --text-muted: #5a5a70;
  --accent: #6366f1;
  --accent-glow: rgba(99, 102, 241, 0.15);
  --success: #10b981;
  --terminal-bg: #0d0d14;
  --terminal-border: #2a2a3a;
}

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

body {
  font-family: 'IBM Plex Sans', -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
}

/* Navigation */
.nav {
  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 rgba(255,255,255,0.05);
}

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

.nav-cta {
  padding: 0.5rem 1.25rem;
  background: var(--accent);
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.88rem;
  font-weight: 600;
  transition: opacity 0.15s, transform 0.1s;
}
.nav-cta:hover { opacity: 0.88; transform: translateY(-1px); }

/* Primary button — shared across landing */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.9rem 2rem;
  background: var(--accent);
  color: white;
  text-decoration: none;
  border-radius: 12px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  box-shadow: 0 0 32px rgba(99, 102, 241, 0.3);
  transition: opacity 0.15s, transform 0.15s, box-shadow 0.15s;
}
.btn-primary:hover {
  opacity: 0.92;
  transform: translateY(-2px);
  box-shadow: 0 4px 40px rgba(99, 102, 241, 0.45);
}

/* Hero CTA row */
.hero-cta {
  margin-top: 2.25rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.hero-cta-hint {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 8rem 2rem 4rem;
}

.hero-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--accent-glow);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 480px;
  line-height: 1.7;
}

/* Terminal */
.terminal-window {
  background: var(--terminal-bg);
  border: 1px solid var(--terminal-border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.terminal-header {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--terminal-border);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }

.terminal-body {
  padding: 1.5rem;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.85rem;
  line-height: 1.8;
}

.terminal-line { color: var(--text-primary); }
.terminal-line .prompt { color: var(--accent); margin-right: 8px; }
.terminal-line.muted { color: var(--text-muted); }
.terminal-line.success { color: var(--success); }

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

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

.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 16px;
  padding: 2rem;
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: rgba(99, 102, 241, 0.3);
  transform: translateY(-2px);
}

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

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

.feature-desc {
  color: var(--text-secondary);
  line-height: 1.6;
}

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

.how-header {
  text-align: center;
  max-width: 1200px;
  margin: 0 auto 4rem;
}

.steps {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
  align-items: start;
}

.step-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.3;
}

.step-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.step-desc {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Closing */
.closing {
  padding: 8rem 2rem;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.closing-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.closing-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.8;
  max-width: 600px;
  margin: 0 auto;
}

/* Footer */
.footer {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 3rem 2rem;
}

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

.footer-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1rem;
}

.footer-tagline {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-left: 1rem;
}

.footer-copy {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 3rem;
    padding-top: 6rem;
  }
  
  .hero-visual {
    order: -1;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .step {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  
  .footer-inner {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .terminal-body {
    font-size: 0.75rem;
  }
  
  .section-title, .closing-title {
    font-size: 2rem;
  }
}