:root {
  --md-primary-fg-color: #0ea5e9;
  --md-primary-fg-color--light: #67e8f9;
  --md-primary-fg-color--dark: #0369a1;
  --md-accent-fg-color: #f59e0b;
  --md-default-bg-color: #071827;
}

.md-grid {
  max-width: 78rem;
}

.md-typeset__lead {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--md-default-fg-color--light);
  margin: 0 0 1.5rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.feature-card {
  background: linear-gradient(180deg, rgba(14, 165, 233, 0.08), rgba(14, 165, 233, 0.02));
  border: 1px solid rgba(148, 163, 184, 0.25);
  border-radius: 16px;
  padding: 1.25rem;
  box-shadow: 0 12px 30px rgba(2, 6, 23, 0.18);
}

.feature-card h3 {
  margin-top: 0;
  margin-bottom: 0.6rem;
}

.feature-card p {
  margin: 0;
  color: var(--md-default-fg-color--light);
}

.md-header {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.95), rgba(3, 105, 161, 0.85));
}

.md-typeset img {
  border-radius: 18px;
  box-shadow: 0 18px 32px rgba(2, 6, 23, 0.18);
}