// Remy function
@function remy($value) {
  @return ($value / 16px) * 1rem;
}

body {
  font: 100% / 1.414 "Open Sans", "Roboto", arial, sans-serif;
  background: #e9e9e9;
}
a,
[type="submit"] {transition: all .25s ease-in;}
.signup__container {
  position: absolute;
  top: 50%;
  right: 0;
  left: 0;
  margin-right: auto;
  margin-left: auto;
  transform: translateY(-50%);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  width: remy(800px);
  height: remy(480px);
  border-radius: remy(3px);
  box-shadow: 0px remy(3px) remy(7px) rgba(0,0,0,.25);
}
.signup__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,.76);
}
.container__child {
  width: 50%;
  height: 100%;
  color: #fff;
}
.signup__thumbnail {
  position: relative;
  padding: 2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  background: url(http://ultraimg.com/images/spectre-login.jpg);
  background-repeat: no-repeat;
  background-position: top center;
  background-size: cover;
}
.thumbnail__logo,
.thumbnail__content,
.thumbnail__links {
  position: relative;
  z-index: 2;
}
.thumbnail__logo {align-self: flex-start;}
.logo__shape {fill: #fff;}
.logo__text {
  display: inline-block;
  font-size: .8rem;
  font-weight: 700;
  vertical-align: bottom;
}
.thumbnail__content {align-self: center;}
h1,
h2 {
  font-weight: 300;
  color: rgba(255,255,255,1);
}
.heading--primary {font-size: 1.999rem;}
.heading--secondary {font-size: 1.414rem;}
.thumbnail__links {
  align-self: flex-end;
  width: 100%;
}
.thumbnail__links a {
  font-size: 1rem;
  color: #fff;
  &:focus,
  &:hover {color: rgba(255,255,255,.5);}
}
.signup__form {
  padding: 2.5rem;
  background: #fafafa;
}
label {
  font-size: .85rem;
  text-transform: uppercase;
  color: #ccc;
}
.form-control {
  background-color: transparent;
  border-top: 0;
  border-right: 0;
  border-left: 0;
  border-radius: 0;
  &:focus {border-color: #111;}
}
[type="text"] {color: #111;}
[type="password"] {color: #111;}
.btn--form {
  padding: .5rem 2.5rem;
  font-size: .95rem;
  font-weight: 600;
  text-transform: uppercase;
  color: #fff;
  background: #111;
  border-radius: remy(35px);
  &:focus,
  &:hover {background: lighten(#111, 13%);}
}
.signup__link {
  font-size: .8rem;
  font-weight: 600;
  text-decoration: underline;
  color: #999;
  &:focus,
  &:hover {color: darken(#999, 13%);}
}