:root {
  --bg: #0a0e17;
  --bg-elevated: #111827;
  --bg-card: #151d2e;
  --fg: #e2e8f0;
  --fg-muted: #8892a4;
  --accent: #38bdf8;
  --accent-dim: rgba(56, 189, 248, 0.12);
  --accent-glow: rgba(56, 189, 248, 0.25);
  --border: #1e293b;
  --font-body: 'Space Grotesk', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --max-width: 1120px;
}

*, *::before, *::after {
  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;
}

.section-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 16px;
}

/* ===== HERO ===== */
.hero {
  padding: 100px 24px 80px;
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(56, 189, 248, 0.2);
  padding: 6px 16px;
  border-radius: 4px;
  margin-bottom: 40px;
}

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

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

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 56px;
}

.hero-data {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.data-card {
  background: var(--bg-card);
  padding: 24px 28px;
}

.data-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 8px;
}

.data-value {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--fg);
}

/* ===== CAPABILITIES ===== */
.capabilities {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}

.capabilities h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 64px;
  max-width: 580px;
}

.cap-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px 56px;
}

.cap-item {
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.cap-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  margin-bottom: 14px;
  letter-spacing: 0.05em;
}

.cap-item h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

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

/* ===== EDGE ===== */
.edge {
  padding: 100px 0;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.edge-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 80px;
  align-items: start;
}

.edge h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}

.edge-body {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.75;
  margin-bottom: 20px;
}

.edge-right {
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding-top: 12px;
}

.edge-stat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px;
}

.stat-figure {
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 12px;
  letter-spacing: -0.03em;
}

.stat-caption {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 0;
  text-align: center;
}

.closing-content {
  max-width: 680px;
  margin: 0 auto;
}

.closing h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.closing-text {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.75;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.1em;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero {
    padding: 64px 20px 56px;
  }

  .hero-data {
    grid-template-columns: 1fr;
  }

  .cap-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .edge-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .closing {
    padding: 80px 0;
  }

  .capabilities,
  .edge {
    padding: 64px 0;
  }
}

@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 2rem;
  }

  .capabilities h2,
  .edge h2,
  .closing h2 {
    font-size: 1.5rem;
  }

  .stat-figure {
    font-size: 2.2rem;
  }
}