:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #16161f;
  --border: #1e1e2a;
  --border-accent: #2a2a3a;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --fg-dim: #55556a;
  --accent: #00d4aa;
  --accent-glow: rgba(0, 212, 170, 0.15);
  --accent-bright: #00ffcc;
  --warning: #ff6b35;
  --mono: 'JetBrains Mono', monospace;
  --sans: 'Space Grotesk', sans-serif;
}

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

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

.section-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-label {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 16px;
  text-transform: uppercase;
}

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

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.3;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(0, 212, 170, 0.25);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 40px;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero h1 {
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}

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

.hero-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stat-value {
  font-family: var(--mono);
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--fg);
}

.stat-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--fg-dim);
  text-transform: uppercase;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-accent);
}

/* CAPABILITIES */
.capabilities {
  padding: 120px 24px;
  border-top: 1px solid var(--border);
}

.capabilities h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
}

.cap-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.cap-card {
  background: var(--bg);
  padding: 40px 32px;
  transition: background 0.2s;
}

.cap-card:hover {
  background: var(--bg-elevated);
}

.cap-icon {
  font-size: 1.4rem;
  color: var(--accent);
  margin-bottom: 16px;
}

.cap-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.cap-card p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* SPECS */
.specs {
  padding: 120px 24px;
  border-top: 1px solid var(--border);
}

.specs h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
}

.specs-table {
  border: 1px solid var(--border);
}

.spec-row {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 16px;
  padding: 20px 28px;
  border-bottom: 1px solid var(--border);
  align-items: center;
  transition: background 0.15s;
}

.spec-row:last-child {
  border-bottom: none;
}

.spec-row:hover {
  background: var(--bg-elevated);
}

.spec-key {
  font-weight: 500;
  font-size: 0.95rem;
}

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

.spec-val {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  text-align: right;
  white-space: nowrap;
}

/* CLOSING */
.closing {
  padding: 140px 24px;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
}

.closing-content {
  max-width: 750px;
}

.closing h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.closing-sub {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 620px;
}

/* FOOTER */
.site-footer {
  padding: 40px 24px;
  border-top: 1px solid var(--border);
}

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

.footer-brand {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--fg-muted);
}

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

/* RESPONSIVE */
@media (max-width: 768px) {
  .cap-grid {
    grid-template-columns: 1fr;
  }

  .spec-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .spec-val {
    text-align: left;
  }

  .hero-stats {
    gap: 20px;
  }

  .stat-divider {
    display: none;
  }

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

  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .closing h2 br {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 60px 16px;
    min-height: auto;
  }

  .capabilities,
  .specs {
    padding: 80px 16px;
  }

  .closing {
    padding: 100px 16px;
  }

  .cap-card {
    padding: 28px 20px;
  }

  .spec-row {
    padding: 16px 20px;
  }
}