/* Ultra-minimal reset */
* { margin: 0; padding: 0; }
body {
  font-family: system-ui, sans-serif;
  line-height: 1.6;
  max-width: 40rem;
  margin: 2rem auto;
  padding: 0 1rem;
}
a { color: inherit; text-decoration: none; }
header, footer { text-align: center; margin-bottom: 2rem; }
header h1 { font-size: 2rem; }
nav a { margin: 0 0.5rem; font-size: 0.9rem; }
.posts article + article { margin-top: 1.5rem; }
.posts time { font-size: 0.8rem; color: #666; }
.subscribe { border-top: 1px solid #eee; margin-top: 2rem; padding-top: 2rem; }
.subscribe h3 { margin-bottom: 0.5rem; }
input[type="email"] {
  width: 100%;
  padding: 0.5rem;
  margin-bottom: 0.5rem;
  border: 1px solid #ccc;
}
input[type="submit"] {
  display: block;
  padding: 0.5rem 1rem;
  cursor: pointer;
}
footer p { font-size: 0.8rem; color: #999; margin-top: 2rem; }