:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #16161f;
  --fg: #e8e8ef;
  --fg-muted: #8888a0;
  --fg-dim: #55556a;
  --accent: #00ff88;
  --accent-dim: rgba(0, 255, 136, 0.12);
  --accent-glow: rgba(0, 255, 136, 0.25);
  --border: #1e1e2e;
  --terminal-bg: #0d0d14;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-display);
  line-height: 1.6;
  overflow-x: hidden;
}

/* === HERO === */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 40px 60px;
  max-width: 1100px;
  margin: 0 auto;
  gap: 48px;
}

.hero-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 6px 14px;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero h1 .accent {
  color: var(--accent);
}

.hero .lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-top: 8px;
}

/* === TERMINAL === */
.hero-terminal {
  background: var(--terminal-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  max-width: 680px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--border);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}

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

.terminal-title {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-dim);
  margin-left: 8px;
}

.terminal-body {
  padding: 20px 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.terminal-body code {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  color: var(--fg);
  white-space: pre-wrap;
}

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

.terminal-body .output {
  color: var(--fg-muted);
  padding-left: 20px;
}

/* === METRICS === */
.metrics {
  padding: 80px 40px;
  max-width: 1100px;
  margin: 0 auto;
}

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

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.2s;
}

.metric-card:hover {
  border-color: var(--accent);
}

.metric-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--accent);
  text-transform: uppercase;
}

.metric-value {
  font-size: 1.6rem;
  font-weight: 700;
}

.metric-sub {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* === FEATURES === */
.features {
  padding: 100px 40px;
  max-width: 1100px;
  margin: 0 auto;
}

.features-header {
  margin-bottom: 64px;
}

.features-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.015em;
}

.features-header p {
  color: var(--fg-muted);
  font-size: 1.1rem;
  margin-top: 16px;
}

.features-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

.feature-item:last-child {
  border-bottom: 1px solid var(--border);
}

.feature-number {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent);
  min-width: 40px;
  padding-top: 4px;
}

.feature-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-content p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: 560px;
}

/* === STACK === */
.stack {
  padding: 100px 40px;
  background: var(--bg-elevated);
}

.stack-inner {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.stack-inner h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 48px;
}

.stack-grid {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.stack-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.stack-icon {
  font-size: 2rem;
  color: var(--accent);
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border-radius: 16px;
  border: 1px solid rgba(0, 255, 136, 0.15);
}

.stack-name {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--fg-muted);
  letter-spacing: 1px;
}

.stack-sub {
  color: var(--fg-muted);
  font-size: 1rem;
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.7;
}

/* === CLOSING === */
.closing {
  padding: 120px 40px;
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.closing-inner h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.015em;
  background: linear-gradient(135deg, var(--fg) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.closing-sub {
  color: var(--fg-muted);
  font-size: 1.1rem;
  max-width: 580px;
  margin: 32px auto 0;
  line-height: 1.7;
}

/* === 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-brand {
  font-weight: 600;
  font-size: 0.95rem;
}

.footer-tag {
  font-size: 0.85rem;
  color: var(--fg-dim);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .hero {
    padding: 60px 24px 40px;
    gap: 36px;
  }
  .metrics { padding: 60px 24px; }
  .metrics-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .features { padding: 60px 24px; }
  .feature-item {
    flex-direction: column;
    gap: 12px;
    padding: 28px 0;
  }
  .stack { padding: 60px 24px; }
  .stack-grid { gap: 24px; }
  .closing { padding: 80px 24px; }
  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
  .terminal-body code {
    font-size: 11px;
  }
}