:root{
    --main-color:#3F4371;
    --width: 1000px;
}
body {
    font-family:'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif
}
.main-header {
    display: inline-block;
    width: var(--width);
    margin-top: 40px;
    margin-left: calc(50% - 500px);
}

.logo {
    height: 40px;
    float: left;
}
.main-nav {
    float: right;
    margin-top: 3.8px;
}
.main-nav>.link {
    display: inline-block;
    padding: 0.3em;
    padding-left: 0.7em;
    padding-right: 0.7em;
    margin-left: 0.5em;
    font-family: monospace;
    font-size: 18px;
    line-height: 1em;
    text-decoration: none;
    color: var(--main-color);
    border: 0.1em solid transparent;
    border-radius: 0.2em;
}
.main-nav>.link:first-child {
    margin-left: 0;
}
.main-nav>.link:hover,
.main-nav>.link.active{
    border-color: var(--main-color);
}
.main-content {
    display: inline-block;
    width: var(--width);
    margin-top: 40px;
    margin-left: calc(50% - 500px);
}
.left-column {
   width: 35%;
   float: left; 
}
.main-title {
    margin: 0;
    font-size: 55px;
    text-transform: uppercase;
    color: var(--main-color);
}
.main-title>span {
  font-size: 45px;  
}

.description {
    font-size: 18px;
    letter-spacing: 0.05em;
    line-height: 1.3em;
    word-spacing: 0.3em;
}

.btn {
    color: #fff;
    padding: 0.5em;
    padding-left: 3em;
    padding-right: 3em;
    font-family: inherit;
    border: none;
    font-size: 20px;
    text-transform: uppercase;
    text-decoration: none;
    background-color: var(--main-color);
    border-radius: 0.3em;
    display: inline-block;
    box-shadow: 0px 0.5em 0.2em -0.45em var(--main-color);
    transition: all 1s;
}
.btn:hover {
    box-shadow: 0px 0.6em 0.4em -0.5em var(--main-color);
}

.socials {
    margin-top: 50px;
}

.socials>.icon {
    width: 2em;
    height: 2em;
    float: left;
    margin-right: 0.5em;
    margin-bottom: 0.5em;
    text-decoration: none;
    font-size: 20px;
    line-height: 2em;
    text-align: center;
    background-color: #3F4371;
    color: #fff;
    border-radius: 50%;
}
.socials>.icon:hover {
    box-shadow: 0 2px 6px #777;
}
.right-column {
    width: 65%;
    float: right;
}