:root {
  --bg: #09090b;
  --surface: #141418;
  --text: #ffffff;
  --text-muted: #8b8b95;
  --accent: #00e5c4;
  --accent-dim: rgba(0, 229, 196, 0.1);
  --border: rgba(255, 255, 255, 0.08);
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.hero-label { margin-bottom: 24px; }

.pill {
  display: inline-block;
  padding: 8px 16px;
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(48px, 8vw, 72px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 24px;
}

.hero-subtitle {
  max-width: 560px;
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 48px;
}

.demo-flow {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.flow-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
}

.flow-label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.flow-box code {
  font-family: 'Space Grotesk', monospace;
  font-size: 14px;
  color: var(--accent);
}

.flow-arrow { color: var(--text-muted); }

/* Features */
.features {
  padding: 100px 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.section-title {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 40px;
  letter-spacing: -1px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
}

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

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-muted);
}

/* Closing */
.closing {
  padding: 100px 24px;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
}

.closing p {
  font-size: 18px;
  color: var(--text-muted);
}

/* Footer */
footer {
  padding: 48px 24px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--accent);
}

footer p {
  font-size: 14px;
  color: var(--text-muted);
}

@media (max-width: 600px) {
  .demo-flow { flex-direction: column; align-items: flex-start; }
  .flow-arrow { transform: rotate(90deg); }
}