:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #16161f;
  --fg: #e8e6e3;
  --fg-muted: #8a8a9a;
  --fg-dim: #55556a;
  --accent: #00ff88;
  --accent-dim: rgba(0, 255, 136, 0.12);
  --accent-glow: rgba(0, 255, 136, 0.25);
  --court: #ff6b35;
  --court-dim: rgba(255, 107, 53, 0.12);
  --diamond: #4ecdc4;
  --diamond-dim: rgba(78, 205, 196, 0.12);
  --border: #1e1e2e;
  --radius: 12px;
  --radius-sm: 8px;
  --font-body: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html {
  scroll-behavior: smooth;
}

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

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 80px 24px 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0.3;
}

.hero-grid {
  max-width: 800px;
  text-align: center;
  margin-bottom: 48px;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 3px;
  color: var(--accent);
  border: 1px solid rgba(0, 255, 136, 0.3);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

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

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.7;
}

/* TERMINAL */
.hero-terminal {
  width: 100%;
  max-width: 640px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-elevated);
  position: relative;
  z-index: 1;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
}

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

.dot {
  width: 10px;
  height: 10px;
  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: auto;
  margin-right: auto;
}

.terminal-body {
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 2;
}

.terminal-line {
  color: var(--fg);
}

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

.terminal-output {
  color: var(--fg-muted);
  padding-left: 20px;
  margin-bottom: 4px;
}

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

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

/* METRICS */
.metrics {
  padding: 80px 24px;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.metrics-grid {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.metric-card {
  background: var(--bg-card);
  padding: 36px 24px;
  text-align: center;
}

.metric-card.highlight {
  background: var(--accent-dim);
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.highlight .metric-value {
  color: var(--accent);
}

.metric-label {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.metric-sub {
  font-size: 0.8rem;
  color: var(--fg-dim);
}

/* FEATURES */
.features {
  padding: 100px 24px;
}

.features-inner {
  max-width: 900px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.features-inner h2,
.stack-inner h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.feature-card {
  padding: 40px 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
}

.feature-card.court {
  border-color: rgba(255, 107, 53, 0.2);
}

.feature-card.diamond {
  border-color: rgba(78, 205, 196, 0.2);
}

.feature-icon {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  display: inline-block;
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 20px;
}

.court .feature-icon {
  background: var(--court-dim);
  color: var(--court);
}

.diamond .feature-icon {
  background: var(--diamond-dim);
  color: var(--diamond);
}

.feature-card h3 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.court h3 { color: var(--court); }
.diamond h3 { color: var(--diamond); }

.feature-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.feature-stat {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--fg-dim);
}

/* STACK */
.stack {
  padding: 100px 24px;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
}

.stack-inner {
  max-width: 700px;
  margin: 0 auto;
}

.stack-items {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.stack-item {
  display: flex;
  gap: 32px;
  padding: 36px 0;
  border-bottom: 1px solid var(--border);
}

.stack-item:last-child {
  border-bottom: none;
}

.stack-number {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  flex-shrink: 0;
  padding-top: 4px;
}

.stack-content h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.stack-content p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* CLOSING */
.closing {
  padding: 120px 24px;
  text-align: center;
}

.closing-inner {
  max-width: 650px;
  margin: 0 auto;
}

.closing h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.closing-text {
  color: var(--fg-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

/* FOOTER */
.site-footer {
  padding: 48px 24px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-brand {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 8px;
}

.footer-note {
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-bottom: 12px;
}

.footer-legal {
  font-size: 0.75rem;
  color: var(--fg-dim);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .stack-item {
    flex-direction: column;
    gap: 12px;
  }
  
  .hero {
    padding: 60px 20px 40px;
  }
  
  .terminal-body {
    font-size: 11px;
  }
}

@media (max-width: 480px) {
  .metrics-grid {
    grid-template-columns: 1fr;
  }
  
  .metric-card {
    padding: 24px 20px;
  }
  
  .feature-card {
    padding: 28px 24px;
  }
}