:root {
  --bg: #0a0a0f;
  --bg-surface: #12121a;
  --bg-card: #1a1a26;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --accent: #00e5a0;
  --accent-dim: rgba(0, 229, 160, 0.12);
  --warn: #ff6b6b;
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Hero */
.hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 24px 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 440px;
  line-height: 1.7;
}

/* Terminal */
.terminal {
  background: var(--bg-surface);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }

.terminal-title {
  margin-left: auto;
  font-family: var(--font-display);
  font-size: 12px;
  color: var(--fg-muted);
}

.terminal-body {
  padding: 20px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 14px;
}

.term-line {
  padding: 6px 0;
  color: var(--fg-muted);
}

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

.term-result {
  color: var(--fg);
  font-weight: 500;
}

.term-warn {
  color: var(--warn);
}

.cursor {
  color: var(--accent);
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

/* Metrics */
.metrics {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 24px 60px;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.metric-card {
  background: var(--bg-surface);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius);
  padding: 32px 28px;
  text-align: center;
}

.metric-value {
  display: block;
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
}

.metric-label {
  font-size: 0.9rem;
  color: var(--fg-muted);
}

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

.features-header {
  margin-bottom: 48px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 16px;
}

.features-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: rgba(0, 229, 160, 0.2);
}

.feature-large {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--bg-card), rgba(0, 229, 160, 0.04));
}

.feature-icon {
  font-size: 1.6rem;
  color: var(--accent);
  margin-bottom: 16px;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

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

.edge-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.2;
  max-width: 700px;
  margin-bottom: 48px;
}

.edge-points {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.edge-point {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.edge-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: rgba(0, 229, 160, 0.25);
  line-height: 1;
  min-width: 48px;
}

.edge-point h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.edge-point p {
  color: var(--fg-muted);
  font-size: 0.93rem;
  line-height: 1.65;
}

/* Closing */
.closing {
  padding: 100px 24px;
  text-align: center;
  background: linear-gradient(180deg, var(--bg) 0%, rgba(0, 229, 160, 0.04) 100%);
}

.closing-content {
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 20px;
}

.closing-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* Footer */
.site-footer {
  padding: 40px 24px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-content {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--fg-muted);
  font-size: 0.85rem;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--fg);
}

.footer-sep {
  opacity: 0.3;
}

/* Responsive */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 60px 20px 40px;
  }

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

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

  .feature-large {
    grid-column: span 1;
  }

  .edge-point {
    flex-direction: column;
    gap: 8px;
  }

  .edge-num {
    font-size: 1.4rem;
  }
}