html {
   box-sizing: border-box;
   background: #eeeeee;
   font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
   font-size: 20px;
   font-weight: 200;
}

body {
   margin: 0;
}

*, *:before, *:after {
   box-sizing: inherit;
}

.site-wrap {
   max-width: 700px;
   margin: 70px auto;
   background: white;
   padding: 40px;
   text-align: justify;
   box-shadow: 0 0 10px 5px rgba(0, 0, 0, 0.05);
   transform: scale(0.98);
   transition: transform 0.5s;
}

.fixed-nav .site-wrap {
   transform: scale(1);
}

header {
   text-align: center;
   height: 30vh;
   background-color: yellow;
   color: black;
   display: flex;
   align-items: center;
   justify-content: center;
}

h1 {
   font-size: 2.5rem;
}

nav {
   background: black;
   top: 0;
   width: 100%;
   transition: all 0.5s;
   position: relative;
   z-index: 1;
}

.fixed-nav nav {
   position: fixed;
   background-color: red;
}

/* .fixed-nav nav a {
  color: black;
}
 */

nav ul {
   margin: 0;
   padding: 0;
   list-style: none;
   display: flex;
}

nav li {
   flex: 1;
   text-align: center;
   display: flex;
   justify-content: center;
   align-items: center;
}

li.logo {
   max-width: 0;
   overflow: hidden;
   background: white;
   transition: all 0.5s;
   font-weight: 600;
   font-size: 30px;
}

.fixed-nav li.logo {
   max-width: 500px;
}

li.logo a {
   color: black;
   text-transform: inherit;
}

nav a {
   text-decoration: none;
   padding: 20px;
   display: inline-block;
   color: white;
   transition: all 0.2s;
   text-transform: uppercase;
}