@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;500;600;700&display=swap');

body {
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  background-color: #fff;
  color: #222;
  margin: 0;
  padding: 0;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

header {
  text-align: center;
  padding: 2rem 1rem 1rem;
}

header h1 a {
  color: #222;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.8rem;
}

nav {
  margin-top: 0.5rem;
}

nav a {
  margin: 0 10px;
  text-decoration: none;
  color: #0066cc;
  font-weight: 500;
}

nav a.active {
  border-bottom: 2px solid #0066cc;
}

main {
  max-width: 700px;
  margin: 0 auto;
  padding: 1rem;
}

h1, h2, h3 {
  font-weight: 600;
}

.blog-list {
  list-style: none;
  padding: 0;
}

.blog-list li {
  margin-bottom: 1.2rem;
}

.blog-list .date {
  color: #888;
  font-size: 0.9rem;
  margin-left: 0.4rem;
}

/* Responsive */
@media (max-width: 600px) {
  main {
    padding: 0.75rem;
  }

  header h1 a {
    font-size: 1.5rem;
  }
}