h1, h2, h3 {
  font-family: "Segoe UI", "Inter", sans-serif;
  font-weight: 600;
}

h2 {
  font-size: 1.6rem;
  margin-bottom: 0.75rem;
  border-bottom: 1px solid #eee;
  padding-bottom: 0.25rem;
}

p {
  margin-bottom: 1rem;
}

ul {
  margin-left: 1.2rem;
  margin-bottom: 1rem;
}

li {
  margin-bottom: 0.4rem;
}

code, .math {
  font-family: "JetBrains Mono", monospace;
  background: #f5f5f5;
  padding: 0.1rem 0.3rem;
  border-radius: 4px;
  font-size: 0.95rem;
}