html, body{
    margin: 0;
    width: 100%;
    min-height: 100vh;
}
body{
    background-image: linear-gradient(30deg, #ff3f1f 0%,#ff2242 100%);
    font-family: futura-pt-bold, sans-serif;
    font-weight: 700;
    color: #1A1A1A;
    display: flex;
    flex-direction: column;
}
*{
    box-sizing: border-box;
}
a{
    text-decoration: none;
    position: relative;
}
a:after{
    content: "";
    display: block;
    border-bottom: 1px solid #939393;
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.3s;
}
a:hover:after{
    transform: scaleX(1);
}
body > nav{
    background-color: #1A1A1A;
    border-radius: 5px;
    width: calc(100% - 40px);
    margin: 20px;
    padding: 15px 20px;
    position: fixed;
    bottom: 0;
    display: flex;
    align-items: stretch;
    justify-content: space-between;
}
body > nav .logo{
    display: flex;
    align-items: center;
}
body > nav .logo svg{
    margin-right: 10px;
}
body > nav a, body > nav button{
    font-family: "Futura", sans-serif;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.9em;
    letter-spacing: 3px;
    color: #939393;
    margin: 0 10px;
}
button{
    text-align: center;
    padding: 5px 10px;
    border-radius: 2px;
    border: 2px solid #939393;
    background: transparent;
    transition: all 0.5s;
}
button:not(.inv):hover, button:not(.inv):focus{
    color: #1A1A1A;
    box-shadow: inset 0 0 30px 10px #939393;
    outline: none;
}
button:hover{
    cursor: pointer;
}
button.inv{
    background: transparent;
    border: none;
    padding: 0;
    transition: filter 0.5s;
}
button.inv:hover, button.inv:focus{
    filter: drop-shadow(0 0 10px rgba(255,255,255,0.8));
    outline: none;
}
body > nav .navigation{
    display: flex;
    align-items: center;
    margin: 0 -10px;
}
body > nav .navigation ul{
    display: flex;
    align-items: center;
    margin: 0;
    padding: 0;
    list-style: none;
}
header{
    padding: 30px;
}
.pop{
    position: relative;
}
.pop > div{
    position: absolute;
    bottom: calc(100% + 30px);
    left: 50%;
    transform: translateX(-50%) translateY(8px) scale(0);
    transform-origin: bottom center;
    transition: transform 0.5s;
    filter: drop-shadow(0 0 30px rgba(0,0,0,0.4));
}
.pop > div > .bubble{
    background-color: #fff;
    padding: 20px;
    border-radius: 4px;
    font-size: 0.8em;
}
.pop > div:after{
    content: "";
    display: block;
    background-color: #fff;
    position: absolute;
    height: 15px;
    width: 15px;
    left: 50%;
    bottom: -8px;
    border-radius: 2px;
    transform: translateX(-50%) rotate(45deg);
}
.pop > div p{
    color: #999;
    letter-spacing: -0.2px;
    margin: 0;
    white-space: nowrap;
}
.pop.on > div{
    transform: translateX(-50%) translateY(0) scale(1);
}
#page{
    flex: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding-bottom: 100px;
}
main{
    padding: 30px;
    flex: 1;
    display: flex;
    align-items: center;
}
main h1{
    text-transform: uppercase;
    font-size: 3.5em;
    letter-spacing: 4px;
}
@media screen and (max-width: 850px){
    main h1{
        font-size: 6.6vw;
    }
}
main h1 span{
    color: #fff;
}
form label{
    display: block;
    margin-bottom: 20px;
}
form label:last-child{
    margin-bottom: 0;
}
form span{
    transition: color 0.5s;
}
form input, form textarea{
    font-family: abril-text, serif;
    min-width: 100%;
    font-size: 1.6em;
    border: none;
    border-bottom: 1px solid #1A1A1A;
    padding-bottom: 5px;
    transition: border-color 0.5s;
    resize: vertical;
    min-height: 36px;
    max-height: calc(100vh - 500px);
}
form input:focus, form textarea:focus{
    outline: none;
    border-color: #ff3f1f;
}
form input:focus + span, form textarea:focus + span{
    color: #ff3f1f;
}
body > nav a, body > nav form button{
    margin: 0;
}