* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, sans-serif;
}

.container {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas:
    "logo"
    "nav"
    "main"
    "footer";
}

.logo {
  grid-area: logo;
}

nav.box {
  grid-area: nav;
  min-height: 0;
  background-color: #ff8833;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

nav a {
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #fff;
  color: #000;
  text-decoration: none;
}

main {
  grid-area: main;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas:
    "news1"
    "ads"
    "news2"
    "news3"
    "news4";
}

.box {
  min-height: 300px;
  border: 1px solid #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.logo,
footer {
  background-color: #3388ff;
}

.news-1 {
  grid-area: news1;
  background-color: #88dd88;
}

.ads {
  grid-area: ads;
  background-color: #ffdd00;
}

.news-2 {
  grid-area: news2;
  background-color: #66ee99;
}

.news-3 {
  grid-area: news3;
  background-color: #99ee66;
}

.news-4 {
  grid-area: news4;
  background-color: #77ff77;
}

.ads-side {
  display: none;
  grid-area: side;
  background-color: #ffdd00;
  align-items: center;
  justify-content: center;
  text-align: center;
}

footer {
  grid-area: footer;
}

@media (min-width: 600px) {
  .container {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-areas:
      "logo logo"
      "nav nav"
      "main main"
      "footer footer";
  }

  nav.box {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  main {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-areas:
      "news1 news2"
      "ads ads"
      "news3 news4";
  }

  main .ads {
    display: flex;
    grid-area: ads;
  }
}

@media (min-width: 800px) {
  .container {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-template-areas:
      "logo logo logo logo"
      "nav nav nav nav"
      "main main main side"
      "footer footer footer footer";
  }

  main {
    grid-template-areas:
      "news1 news2"
      "news3 news4";
  }

  main .ads {
    display: none;
  }

  .ads-side {
    display: flex;
    min-height: 600px;
  }
}