@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap');

:root {
  --left-bg-color: rgba(87, 84, 236, 0.7);
  --right-bg-color: rgba(43, 43, 43, 0.8);
  --left-btn-hover-color: rgba(87, 84, 236, 1);
  --right-btn-hover-color: rgba(28, 122, 28, 1);
  --hover-width: 75%;
  --other-width: 25%;
  --speed: 1000ms;
}


* {
  box-sizing: border-box;
}

body {
  background-color: steelblue;
  color: #fff;
  font-family: 'Roboto', sans-serif;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin: 0; 
  overflow: hidden;
  height: 100vh;
}

.container{
  background-color: rgba(0,0,0,0.4);
  padding: 20px 40px;
  border-radius: 5px;
}

.container h1{
  text-align: center;
  margin-bottom: 30px;
}
.container a{
  text-decoration: none;
  color: lightblue;
}

.form-control{
  position: relative;
  margin: 20px 0 40px;
  width: 300px;
}
.form-control input{
  background-color: transparent;
  border: 0;
  border-bottom: 2px #fff solid;
  width: 100%;
  padding: 15px 0 ;
  font-size: 18px;
  color: #fff;
}
.form-control input:focus,
.form-control input:valid{
   outline: 0;
   border-color: lightblue;
}

.btn{
  cursor: pointer;
  display: inline-block;
  width: 100%;
  background-color: lightblue;
  padding: 15px;
  font-family: inherit;
  font-size: 16px;
  border: 0;
  border-radius: 5px;
}
.btn:focus{
  outline: 0;
}
.btn:hover{
  transform: scale(0.98);
}
.text{
  margin-top: 30px;
}

.form-control label{
  position: absolute;
  top: 15px;
  left: 0;
  pointer-events: none;

}
.form-control label span{

  display: inline-block;
  font-size: 18px;
  min-width: 5px;
  transition: 0.3s cubic-bezier(0.68, -0.55,0.265,1.55);
}
.form-control input:focus + label span,
.form-control input:valid + label span
{
 color: lightblue;
 transform: translateY(-30px);
 
}