:root {
  --bg: #090c18;
  --bg-raised: #0f1424;
  --bg-card: #141a2e;
  --bg-code: #0d1120;
  --fg: #e2e4ea;
  --fg-muted: #7c8298;
  --fg-dim: #4a5068;
  --accent: #f0a832;
  --accent-glow: rgba(240, 168, 50, 0.15);
  --teal: #2dd4a8;
  --teal-glow: rgba(45, 212, 168, 0.1);
  --border: rgba(255, 255, 255, 0.06);
  --border-accent: rgba(240, 168, 50, 0.3);
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Plus Jakarta Sans', 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-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* ===== HERO ===== */
.hero {
  padding: 100px 24px 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 24px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
  color: var(--fg);
}

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

.hero-sub {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 480px;
}

/* Code window */
.code-window {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.code-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}

.code-dots {
  display: flex;
  gap: 7px;
}

.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.dot-red { background: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green { background: #28c840; }

.code-title {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-dim);
}

.code-body {
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  overflow-x: auto;
  color: var(--fg);
}

.code-comment { color: var(--fg-dim); }
.code-key { color: var(--teal); }
.code-string { color: var(--accent); }

/* ===== CONNECTIONS ===== */
.connections {
  padding: 80px 0;
  border-top: 1px solid var(--border);
}

.section-label {
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--accent);
  margin-bottom: 40px;
}

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

.conn-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color 0.2s;
}

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

.conn-icon {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--bg);
  background: var(--accent);
  display: inline-block;
  padding: 4px 12px;
  border-radius: 6px;
  margin-bottom: 20px;
}

.conn-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--fg);
}

.conn-card p {
  font-size: 14px;
  color: var(--fg-muted);
  margin-bottom: 20px;
  line-height: 1.6;
}

.conn-code {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
}

.conn-code code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--teal);
}

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

.capabilities::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--teal-glow) 0%, transparent 70%);
  pointer-events: none;
}

.section-title {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -1px;
  margin-bottom: 60px;
}

.section-title .muted {
  color: var(--fg-dim);
}

.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.cap-item {
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-raised);
  transition: transform 0.2s, border-color 0.2s;
}

.cap-item:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,0.1);
}

.cap-number {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  margin-bottom: 16px;
  opacity: 0.7;
}

.cap-item h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--fg);
}

.cap-item p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}

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

.trinity-sub {
  font-size: 17px;
  color: var(--fg-muted);
  margin-top: -40px;
  margin-bottom: 48px;
  max-width: 560px;
}

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

.trinity-card {
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-raised);
}

.trinity-card.trinity-highlight {
  border-color: var(--border-accent);
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(240,168,50,0.05) 100%);
  box-shadow: 0 0 40px var(--accent-glow);
}

.trinity-label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--fg-dim);
  margin-bottom: 12px;
}

.trinity-highlight .trinity-label {
  color: var(--accent);
}

.trinity-card h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--fg);
}

.trinity-card p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ===== CLOSING ===== */
.closing {
  padding: 100px 0;
  border-top: 1px solid var(--border);
  position: relative;
}

.closing::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.closing-content h2 {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.closing-content p {
  font-size: 17px;
  color: var(--fg-muted);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 48px;
}

.closing-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 700px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 6px;
}

.stat-label {
  font-size: 13px;
  color: var(--fg-dim);
  line-height: 1.5;
}

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

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

.footer-brand {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--fg);
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero { padding: 60px 24px 48px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero h1 { font-size: 32px; }
  .hero-sub { font-size: 15px; }
  .conn-grid { grid-template-columns: 1fr; }
  .cap-grid { grid-template-columns: 1fr; }
  .trinity-grid { grid-template-columns: 1fr; }
  .section-title { font-size: 30px; }
  .closing-content h2 { font-size: 30px; }
  .closing-stats { grid-template-columns: 1fr; gap: 24px; }
  .footer-content { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 26px; }
  .code-body { font-size: 11px; }
  .stat-number { font-size: 32px; }
}