:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #1a1a24;
  --fg: #f0f0f5;
  --fg-muted: #8a8a9a;
  --accent: #00e5a0;
  --accent-dim: rgba(0, 229, 160, 0.1);
  --accent-glow: rgba(0, 229, 160, 0.3);
  --border: #2a2a3a;
  --font-main: 'Space Grotesk', 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-main);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Hero */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 2rem 4rem;
  background: radial-gradient(ellipse at top, rgba(0, 229, 160, 0.04) 0%, transparent 60%);
}

.hero-content {
  max-width: 800px;
  text-align: center;
}

.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(0, 229, 160, 0.2);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero h1 .highlight {
  color: var(--accent);
  text-shadow: 0 0 40px var(--accent-glow);
}

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 600px;
  margin: 0 auto 3rem;
  line-height: 1.7;
}

.hero-metrics {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.metric {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--accent);
}

.metric-label {
  font-size: 0.8rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Stats */
.stats {
  padding: 4rem 2rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
}

.stat-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  min-width: 200px;
}

.stat-number {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--fg);
}

.stat-desc {
  font-size: 0.85rem;
  color: var(--fg-muted);
  text-align: center;
}

.stat-divider {
  width: 1px;
  height: 50px;
  background: var(--border);
}

/* Features */
.features {
  padding: 6rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.features-header {
  text-align: center;
  margin-bottom: 4rem;
}

.features-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 600;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.features-sub {
  color: var(--fg-muted);
  font-size: 1.05rem;
  max-width: 550px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.feature-icon {
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* How It Works */
.how-it-works {
  padding: 6rem 2rem;
  max-width: 700px;
  margin: 0 auto;
}

.how-it-works h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 600;
  margin-bottom: 3rem;
  text-align: center;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.step {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(0, 229, 160, 0.2);
  padding: 0.4rem 0.7rem;
  border-radius: 6px;
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.step-content h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.step-content p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* Closing */
.closing {
  padding: 6rem 2rem;
  text-align: center;
  background: radial-gradient(ellipse at bottom, rgba(0, 229, 160, 0.03) 0%, transparent 60%);
}

.closing-content {
  max-width: 650px;
  margin: 0 auto;
}

.closing h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 600;
  margin-bottom: 1.2rem;
  line-height: 1.3;
}

.closing p {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* Footer */
.site-footer {
  padding: 3rem 2rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-inner {
  max-width: 600px;
  margin: 0 auto;
}

.footer-brand {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-bottom: 0.5rem;
}

.footer-meta {
  font-size: 0.75rem;
  color: var(--fg-muted);
  opacity: 0.6;
}

/* Mobile */
@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding: 4rem 1.5rem 3rem;
  }

  .hero-metrics {
    gap: 1.5rem;
  }

  .stats-inner {
    flex-direction: column;
    gap: 1.5rem;
  }

  .stat-divider {
    width: 50px;
    height: 1px;
  }

  .features {
    padding: 4rem 1.5rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .step {
    flex-direction: column;
    gap: 0.75rem;
  }
}