html {
  font-size: 50px;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 375px;
  margin: 0;
}

.container {
  max-width: 1280px;
  padding: 0 15px;
  margin: 0 auto;
}

.wrapper {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
}

.header {
  background-color: red;
  grid-column: 1 / -1;
  min-height: 100px;
}

.aside {
  background-color: gold;
  grid-column: 1 / 3;
}

.main {
  background-color: green;
  grid-column: 3 / -1;
}

.main .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 20px;
}

.article {
  background-color: orange;
  min-height: 342px;
}

.footer {
  background-color: blue;
  grid-column: 1 / -1;
  min-height: 200px;
}

@media (width <= 1200px) {
  .aside {
    grid-column: 1 / 4;
  }

  .main {
    grid-column: 4 / -1;
  }

  .main .container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (width <= 768px) {
  .aside {
    display: none;
  }

  .main {
    grid-column: 1 / -1;
  }

  .main .container {
    grid-template-columns: 1fr;
  }
}