:root {
  --max-w: 1100px;
  --accent: #0b74de;
  --bg: #fff;
  --text: #222;
  --radius: 8px;
  --gap: 1rem;
  --container-padding: 1rem;
  --font-title: "Source Serif Pro", serif;
  --font-body: "Source Sans Pro", sans-serif;
}

* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
}
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: #222;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  font-family: var(--font-title);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #111;
}

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--container-padding);
}

/* Layout simple */
.site-header,
.site-footer {
  padding: var(--gap);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}
.site-header h1 {
  margin: 0;
}
#posts {
  display: grid;
  gap: var(--gap);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* Card */
.post-card {
  border: 1px solid rgba(0, 0, 0, 0.06);
  padding: 1rem;
  border-radius: var(--radius);
  background: linear-gradient(180deg, #fff, #fafafa);
}
.post-card h2 {
  margin: 0.25rem 0;
}
.post-card p.meta {
  font-size: 0.9rem;
  color: gray;
}