:root {
  --bg: #0a0a0f;
  --fg: #ffffff;
  --accent: #22c55e;
  --accent-dim: rgba(34, 197, 94, 0.15);
  --muted: #71717a;
  --border: #27272a;
  --surface: #18181b;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Space Grotesk', system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.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 var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
}

.status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}

.status::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
}

/* Hero */
.hero {
  padding: 160px 24px 80px;
  max-width: 1100px;
  margin: 0 auto;
}

.hero-label {
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(40px, 7vw, 72px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 18px;
  color: var(--muted);
  max-width: 560px;
  margin-bottom: 48px;
}

.hero-visual {
  max-width: 640px;
}

/* Terminal */
.terminal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

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

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot.red { background: #ef4444; }
.dot.yellow { background: #eab308; }
.dot.green { background: #22c55e; }

.terminal-title {
  margin-left: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--muted);
}

.terminal-body {
  padding: 20px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  line-height: 1.8;
}

.line { color: var(--fg); }
.line.success { color: var(--accent); }
.line.warning { color: #eab308; }

.prompt {
  color: var(--accent);
  margin-right: 8px;
}

/* Features */
.features {
  padding: 80px 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.feature {
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.feature-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border-radius: 8px;
  color: var(--accent);
  margin-bottom: 16px;
}

.feature h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

/* How it works */
.how {
  padding: 80px 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.section-title {
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 48px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.step-num {
  font-size: 48px;
  font-weight: 700;
  color: var(--border);
  margin-bottom: 16px;
}

.step-content h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-content p {
  font-size: 14px;
  color: var(--muted);
}

/* Closing */
.closing {
  padding: 120px 24px;
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.closing-title {
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.closing-sub {
  font-size: 18px;
  color: var(--muted);
}

/* Footer */
.footer {
  padding: 48px 24px;
  border-top: 1px solid var(--border);
}

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

.footer-brand {
  font-weight: 700;
  font-size: 16px;
}

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

/* Responsive */
@media (max-width: 768px) {
  .hero { padding: 120px 20px 60px; }
  .features-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; gap: 32px; }
  .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
}