body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  margin: 0;
  background: #f4f4f4;
}

.magazine-grid {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto auto auto auto auto auto auto;
  gap: 1rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem;
}

/* Desktop layout */
@media (min-width: 900px) {
  .magazine-grid {
    grid-template-columns: 2fr 1fr 1fr 2fr;
    grid-template-rows: auto auto 1fr 1fr auto;
    grid-template-areas:
      "masthead masthead masthead masthead"
      "main-nav main-nav main-nav main-nav"
      "hero hero card-a sidebar"
      "hero hero card-b sidebar"
      "footer footer footer footer";
    min-height: 100vh;
  }
  .masthead { grid-area: masthead; }
  .main-nav { grid-area: main-nav; }
  .hero { grid-area: hero; }
  .card-a { grid-area: card-a; }
  .card-b { grid-area: card-b; }
  .sidebar { grid-area: sidebar; }
  .footer { grid-area: footer; }
}

.masthead {
  background: #232335;
  color: #fff;
  padding: 1.5rem 1rem;
  font-size: 2rem;
  text-align: center;
  border-radius: 8px;
}
.main-nav {
  background: #eaeaea;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  text-align: center;
}
.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
}
.main-nav li {
  font-weight: 500;
  color: #232335;
  cursor: pointer;
}
.hero {
  background: #ede6dd;
  padding: 1.5rem 1rem;
  border-radius: 8px;
  text-align: center;
  font-size: 1.2rem;
}
.hero h2 {
  margin-top: 0;
  font-size: 1.5rem;
  letter-spacing: 1px;
}
.card-a, .card-b {
  background: #ede6dd;
  padding: 1rem;
  border-radius: 8px;
  min-height: 120px;
  text-align: center;
}
.card-a h3, .card-b h3 {
  margin-top: 0;
}
.sidebar {
  background: #ede6dd;
  padding: 1rem;
  border-radius: 8px;
  min-height: 200px;
  text-align: center;
}
.sidebar h3 {
  margin-top: 0;
}
.footer {
  background: #232335;
  color: #fff;
  text-align: center;
  padding: 1rem;
  border-radius: 8px;
  font-size: 1.1rem;
  margin-top: 1rem;
}