main{
  display: grid;
  grid-template-columns: 1.15fr .85fr;
}
aside{
  position: relative;
}
.bg-overlay{
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
  filter: brightness(0.5);
}
aside section{
  height: 100vh;
  color: white;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1rem 2rem;
}
.logo{
  border-radius: 999rem;
  padding: .6rem 1rem;
  background: #21252999;
  border: 2px solid var(--dark-500);
  display: inline-block; 
  position: absolute;  
}
aside section h1{
  font-size: 3.5rem;
  line-height: 3.6rem;
  margin-bottom: 0;
}
aside section p{
  color: var(--gray-200);
  margin-top: 0;
}
aside section footer{
  text-align: center;
  color: var(--gray-200);
}
.container{
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}
.form-group{
  position: relative;
  display: flex;
  align-items: center;
  gap: .3rem;
  border: 1px solid var(--gray-100);
  border-radius: 4px;
  padding-left: .6rem;
}
.form-group + .form-group{
  margin-top: .5rem;
}
.form-group:focus-within{
  outline: 2px solid var(--gray-200);
}
.form-group.has-error{
  border: 2px solid #f347;
  margin-bottom: 2rem;
}
.error-message{
  display: none;
  position: absolute;
  bottom: -1.3rem;
  font-size: .7rem;
  color: var(--gray-500);
}
.form-group.has-error .error-message{
  display: block;
}

.form-control{
  height: 3rem;
  min-width: 14rem;
  flex: 1;
  outline: none;
}
.forgot-password{
  font-size: .7rem;
  margin-top: .3rem;
  text-align: right;
  display: block;
}
.btn-submit,.to-login,.btn-back{
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: center;
  height: 3rem;
  margin-top: .5rem;
  border-radius: 4px;
  font-weight: bold;
  color: var(--gray-100);
  background: var(--dark-500);
}
.to-login{
  display: none;
  border-radius: 999rem;
  max-width: 14rem;
  margin: 2rem auto 0;
}
.btn-back{
  background: var(--gray-200);
  color: var(--dark-500);
}
@media(max-width: 900px){
  main{ grid-template-columns: 1fr 1fr; }
}
@media(max-width: 700px){
  main{ grid-template-columns: 1fr; }
  hgroup{ text-align: center; }
  .to-login{ display: flex; }
}