/* ===== Base Reset ===== */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  line-height: 1.6;
}

a {
  text-decoration: none;
}

h1, h2, h3 {
  line-height: 1.25;
  margin-top: 0;
}

main {
  padding: 2rem;
  max-width: 1100px;
  margin: auto;
}

/* ===== Intro / About Box ===== */
.intro-box {
  max-width: 800px;
  margin: 0 auto 3rem;
  padding: 2rem;
  border: 1px solid #ddd;
  background: #fafafa;
}

.intro-box h2 {
  margin-top: 0;
}

/* ===== Post Cards ===== */
.post-card {
  margin-bottom: 2rem;
}

.post-card time {
  font-size: 0.85rem;
  opacity: 0.7;
}

/* ===== Article Content ===== */
article.post {
  max-width: 750px;
  margin: auto;
}

article.post h1 {
  margin-bottom: 0.25rem;
}

article.post .meta {
  font-size: 0.9rem;
  opacity: 0.7;
  margin-bottom: 2rem;
}