:root {
  --bg: #0a0a0f;
  --bg-surface: #12121a;
  --bg-card: #1a1a26;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --accent: #7c5cfc;
  --accent-glow: rgba(124, 92, 252, 0.15);
  --accent-soft: #9b82fc;
  --positive: #34d399;
  --border: rgba(255,255,255,0.06);
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

* { 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;
}

/* === HERO === */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 80px 5vw 60px;
  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 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  align-items: center;
}

.tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-soft);
  background: var(--accent-glow);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

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

.lede {
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 480px;
  line-height: 1.7;
}

/* Terminal */
.terminal {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 80px var(--accent-glow);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: rgba(255,255,255,0.03);
  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-display);
  font-size: 0.75rem;
  color: var(--fg-muted);
  margin-left: 8px;
}

.terminal-body {
  padding: 20px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.85rem;
  line-height: 1.9;
}

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

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

.terminal-output {
  color: var(--fg-muted);
  padding-left: 18px;
  margin-bottom: 12px;
}

.cursor {
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* === SIGNALS === */
.signals {
  padding: 100px 5vw;
  max-width: 1200px;
  margin: 0 auto;
}

.signals-header {
  max-width: 640px;
  margin-bottom: 56px;
}

.signals-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.signals-header p {
  color: var(--fg-muted);
  font-size: 1.05rem;
}

.signal-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.signal-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.signal-card:hover {
  border-color: rgba(124, 92, 252, 0.3);
  box-shadow: 0 0 40px var(--accent-glow);
}

.signal-icon {
  font-size: 1.2rem;
  color: var(--accent);
  margin-bottom: 16px;
}

.signal-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.signal-card p {
  color: var(--fg-muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

/* === CAPABILITIES === */
.capabilities {
  padding: 100px 5vw;
  background: var(--bg-surface);
}

.cap-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  max-width: 1200px;
  margin: 0 auto;
  align-items: center;
}

.cap-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.8vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.cap-text > p {
  color: var(--fg-muted);
  font-size: 1rem;
  margin-bottom: 32px;
  line-height: 1.7;
}

.cap-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.cap-list li {
  font-size: 0.95rem;
  color: var(--fg-muted);
  padding-left: 20px;
  position: relative;
  line-height: 1.6;
}

.cap-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.cap-list li strong {
  color: var(--fg);
  display: block;
  font-weight: 600;
  margin-bottom: 2px;
}

/* Metric Stack */
.metric-stack {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.metric {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.metric-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-muted);
  font-family: var(--font-display);
}

.metric-value {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--fg);
}

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

.metric-delta.positive {
  color: var(--positive);
}

/* === CLOSING === */
.closing {
  padding: 120px 5vw;
  text-align: center;
}

.closing-inner {
  max-width: 640px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

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

/* === FOOTER === */
.site-footer {
  padding: 32px 5vw;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--fg-muted);
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--fg);
}

.footer-sep {
  opacity: 0.3;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .hero { min-height: auto; padding: 60px 5vw 40px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .signal-cards { grid-template-columns: 1fr; }
  .cap-grid { grid-template-columns: 1fr; gap: 40px; }
  .metric-stack { grid-template-columns: 1fr 1fr; }
  .closing { padding: 80px 5vw; }
}