:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #16161f;
  --fg: #e8e8ed;
  --fg-muted: #7a7a8e;
  --fg-dim: #4a4a5e;
  --accent: #00ff88;
  --accent-dim: rgba(0, 255, 136, 0.15);
  --accent-glow: rgba(0, 255, 136, 0.08);
  --border: #1e1e2a;
  --font-display: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', 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;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* === HERO === */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px 48px 80px;
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 3px;
  color: var(--accent);
  border: 1px solid rgba(0, 255, 136, 0.3);
  padding: 6px 16px;
  margin-bottom: 40px;
  background: var(--accent-dim);
}

.hero h1 {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 32px;
}

.hero h1 .accent {
  color: var(--accent);
  text-shadow: 0 0 60px rgba(0, 255, 136, 0.3);
}

.hero-sub {
  font-size: 18px;
  line-height: 1.7;
  color: var(--fg-muted);
  max-width: 560px;
}

.hero-visual {
  position: absolute;
  right: 48px;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.4;
}

.swarm-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.swarm-node {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--border);
  transition: all 0.3s ease;
}

.swarm-node.active {
  background: var(--accent);
  box-shadow: 0 0 20px rgba(0, 255, 136, 0.4);
  animation: pulse 2s ease-in-out infinite;
}

.swarm-node.active:nth-child(3) { animation-delay: 0.3s; }
.swarm-node.active:nth-child(5) { animation-delay: 0.6s; }
.swarm-node.active:nth-child(8) { animation-delay: 0.9s; }
.swarm-node.active:nth-child(10) { animation-delay: 1.2s; }
.swarm-node.active:nth-child(12) { animation-delay: 0.4s; }
.swarm-node.active:nth-child(15) { animation-delay: 0.7s; }

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

/* === SECTION LABELS === */
.section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 3px;
  color: var(--accent);
  margin-bottom: 20px;
}

/* === HOW === */
.how {
  padding: 120px 48px;
  border-top: 1px solid var(--border);
}

.how-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.how h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 64px;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.step {
  display: flex;
  gap: 40px;
  align-items: flex-start;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: 500;
  color: var(--fg-dim);
  line-height: 1;
  min-width: 80px;
}

.step-content h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-content p {
  font-size: 16px;
  color: var(--fg-muted);
  max-width: 520px;
  line-height: 1.7;
}

/* === FEATURES === */
.features {
  padding: 120px 48px;
  background: var(--bg-elevated);
}

.features-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.features h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 64px;
}

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

.feature-card {
  background: var(--bg-card);
  padding: 48px;
  border: 1px solid var(--border);
  transition: border-color 0.3s ease;
}

.feature-card:hover {
  border-color: rgba(0, 255, 136, 0.2);
}

.feature-icon {
  font-size: 28px;
  color: var(--accent);
  margin-bottom: 24px;
  font-family: var(--font-mono);
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* === NUMBERS === */
.numbers {
  padding: 80px 48px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

.number-item {
  text-align: center;
}

.number-value {
  font-family: var(--font-mono);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.number-label {
  font-size: 13px;
  color: var(--fg-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
  font-family: var(--font-mono);
}

.number-divider {
  width: 1px;
  height: 60px;
  background: var(--border);
}

/* === CLOSING === */
.closing {
  padding: 160px 48px;
  text-align: center;
  background: radial-gradient(ellipse at center, var(--accent-glow) 0%, transparent 70%);
}

.closing-inner {
  max-width: 720px;
  margin: 0 auto;
}

.closing h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.2;
  margin-bottom: 24px;
}

.closing-sub {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.7;
}

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

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

.footer-brand {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.5px;
}

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

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .hero {
    padding: 100px 24px 60px;
  }
  
  .hero-visual {
    display: none;
  }
  
  .how, .features, .closing {
    padding-left: 24px;
    padding-right: 24px;
  }
  
  .step {
    flex-direction: column;
    gap: 12px;
  }
  
  .step-num {
    font-size: 32px;
    min-width: auto;
  }
  
  .feature-grid {
    grid-template-columns: 1fr;
  }
  
  .feature-card {
    padding: 32px;
  }
  
  .numbers {
    padding: 48px 24px;
  }
  
  .numbers-inner {
    flex-direction: column;
    gap: 32px;
  }
  
  .number-divider {
    width: 40px;
    height: 1px;
  }
  
  .closing {
    padding: 100px 24px;
  }
  
  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
  
  .site-footer {
    padding: 32px 24px;
  }
}