:root {
    --main-color: #3F4371;
}

body {
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}

.main-header {
    display: inline-block;
    width: 800px;
    margin-top: 40px;
    margin-left: calc(50% - 400px);
}

.logo {
    height: 40px;
    float: left;
}

.main-nav {
    float: right;
    margin-top: 4px;
}

.main-nav > .link {
    padding: 5px;
    padding-left: 10px;
    padding-right: 10px;
    font-size: 18px;
    text-decoration: none;
    margin-left: 10px;
    color: var(--main-color);
    border: 2px solid transparent;
    display: inline-block;
    border-radius: 4px;
    line-height: 18px;
    transition: all 1s;
}

.main-nav > a:first-child {
    margin-left: 0;
}

.main-nav > a:hover,
.main-nav > .link.active {
    border-color: var(--main-color);
}

.main-content {
    display: inline-block;
    width: 1000px;
    margin-top: 40px;
    margin-left: calc(50% - 500px);
}

.left-column {
    width: 35%;
    float: left;
}

.main-title {
    color: var(--main-color);
    font-size: 55px;
    text-transform: uppercase;
    margin: 0;
}

.main-title > span {
    font-size: 45px;
}

.description {
    font-size: 18px;
    line-height: 1.3em;
    letter-spacing: 1px;
    word-spacing: 3px;
}

.btn {
    background-color: var(--main-color);
    color: #fff;
    padding: 0.5em;
    font-size: 20px;
    padding-left: 3em;
    padding-right: 3em;
    border-radius: 0.3em;
    text-decoration: none;
    display: inline-block;
    text-transform: uppercase;
    box-shadow: 0px 0.5em 0.2em -0.45em #888;
    transition: all 1s;
}

.btn:hover {
    box-shadow: 0px 0.6em 0.4em -0.5em #555;
}

.socials {
    margin-top: 50px;
}

.socials > .icon {
    text-decoration: none;
    font-size: 20px;
    background-color: var(--main-color);
    color: #fff;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    text-align: center;
    line-height: 30px;
    float: left;
    margin-right: 15px;
    transition: all 1s;
}

.socials > .icon:hover {
    box-shadow: 0 2px 6px #777;
}

.right-column {
    width: 60%;
    float: right;
}