@import url("https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100..900;1,100..900&display=swap");

body {
  font-family: Roboto, sans-serif;
}
header,
main,
footer {
    max-width: 1300px;
    margin: 1rem auto;
    border: 1px solid #ccc;
    padding: 1rem;
    background-color: lightblue;
}
main {
    display: grid;
    grid-template-columns: 1fr;
}

h1 {
    text-align: center;
}

section {
    padding: 20px;
    background-color: white;
    margin: 1em;
    border: 1px solid #ccc;
}

nav a {
    padding: 20px;
    color: black;
    text-decoration: none;
    text-align: center;
    display: block;
    border-top: 1px solid gray;
}
.hide {
    display: none;
}

nav a:hover {
    text-decoration: none;
    color: #616061;
}

.menu-btn {
    cursor: pointer;
    border: none;
    background-color: transparent;
}

.bar1, .bar2, .bar3 {
    width: 30px;
    height: 4px;
    background-color: black;
    margin: 5px 0;
    transition: .4s;
}

.change .bar1 {
    transform: translate(0, 7.5px) rotate(-45deg);
  }
  .change .bar2 {opacity: 0;}
  
  .change .bar3 {
    transform: translate(0, -11px) rotate(45deg);
  }

footer {
    text-align: center;
}


@media screen and (min-width: 700px) {
    
    nav{
        text-align: right;
        display: block;
    }
    
    nav a {
        display: inline;
        border: none;
        text-align: right;
    }
    .menu-btn {
        display: none;
    }
    main {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }
    
    .hide {
        display: block;
    }
}
 
@media screen and (min-width: 1000px) {
    main {
        grid-template-columns: 1fr 1fr 1fr;

    }
}