body {
  background-color: #F3F4F6;
  color: #111827;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Inter", sans-serif;
}

#main-navigation {
  background-color: #111827;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.35);
}

/* ===== Wrapper ===== */

#all-posts {
  margin: 6rem auto 3.5rem auto;
  width: 100%;
  max-width: 72rem;
  padding: 0 1.5rem;
}

#all-posts h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 2rem;
  color: #111827;

  
}

/* ===== Grid ===== */

#all-posts ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  #all-posts ul {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  #all-posts ul {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* Les cartes elles-mêmes sont stylées par post.css */