:root{
 --PrimaryRed: hsl(0, 100%, 74%);
 --PrimaryGreen: hsl(154, 59%, 51%);
 --AccentBlue: hsl(248, 32%, 49%);
 --NeutralDarkBlue: hsl(249, 10%, 26%);
 --NeutralGrayishBlue: hsl(246, 25%, 77%);
 font-size:16px;
}
 
/***** BODY *****/
 
body{
  position:relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  width:100vw;
  font-family: 'Poppins', sans-serif;
  color:white;

  background-color:var(--PrimaryRed);
  background-image: url(../images/bg-intro-mobile.png);
  background-repeat: no-repeat;
  background-size: 100%;
}
 
#about, #cards{
  margin: 3rem auto 0;
  width: 88%;
  max-width:500px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}
 
/***** ABOUT SECTION *****/
 
#about h2{
  text-align: center;
  font-size:1.7rem;
  line-height:1.38;
  margin-top:2.6rem;
}
 
#about h4{
  text-align: center;
  line-height:1.65;
  font-weight:400;
  margin-bottom: 0.85rem;
}
 
/***** CARDS SECTION *****/
 
.card{
 width: 100%;
 display: flex;
 justify-content:center;
 
 box-shadow: 0 0.5rem 0 0 rgba(0,0,0,0.15);
 border-radius: 10px;
}
 
.plan{
 background-color:var(--AccentBlue);
 margin-bottom: 1.5rem;
 padding: 1.25rem 4rem;
 height: 88px;
 display: flex;
 justify-content: center;
 align-items: center;
}
 
.plan h4{
  margin:0;
  text-align: center;
  line-height:1.6;
  font-weight:400;
}
 
.form-wrap{
 background-color:white;
 margin-bottom: 4rem;
 padding: 1.5rem;
}
 
#form{
 width:100%;
 margin: 0 auto;
 position:relative;
}
 
.form-control{
 position:relative;
}
 
.form-wrap input{
 position: relative;
 width:100%;
 
 border: 1px solid hsl(249, 5%, 75%);
 border-radius: 5px;
 padding: 1.22rem 1rem;
 color: hsl(249, 31%, 18%);
 font-size:0.85rem;
 font-weight:700;
 margin-bottom:1rem;
 caret-color: hsl(248, 32%, 49%);
}
 
.form-wrap input:focus {
 border: 0;
 outline-width:1px;
 outline-color: hsl(246, 25%, 77%);
}
 
#form div.error input{
 border: 2px solid var(--PrimaryRed);
 margin-bottom: 2.5rem;
 color: var(--PrimaryRed);
}
 
#form img{
 display:none;
 position: absolute;
 top:30%;
 left:92%;
 transform: translate(-50%,-50%);
}
 
.form-wrap small{
 display:none;
 color:var(--PrimaryRed);
 font-style:italic;
 font-size:0.7rem;
 font-weight:600;
 
 position: absolute;
 right:0;
 top: 65%;
 z-index: 1;
 margin-bottom: 1rem;
}
 
#form div.error img,
#form div.error small{
 display:block;
}
 
.form-wrap .button{
 width:100%;
 background-color: var(--PrimaryGreen);
 padding: 1.11rem 1rem;
 margin-bottom:0.5rem;
 box-shadow: inset 0 -0.2rem 0 0 rgba(0,0,0,0.2);
 
 color:white;
 font-size:1rem;
 text-transform:uppercase;
}
 
.form-wrap .button:hover{
 cursor:pointer;
}
 
.form-wrap .button:active{
 box-shadow:none;
 transform: translateY(0.2rem);
 opacity:0.6;
}
 
.form-wrap p{
 margin:0 1rem;
 text-align:center;
 color: var(--NeutralGrayishBlue);
 font-weight:400;
 font-size:0.7rem;
 line-height:2;
}
 
.form-wrap p strong{
 color: var(--PrimaryRed);
}
 
.form-wrap a{
 text-decoration:none;
}
 
.form-wrap a:hover{
text-decoration:underline;
}
 
.form-wrap a:active{
color:hsl(0, 96%, 11%);
}
 
.form-wrap a:active{
color:purple;
}
 
/***** FOOTER *****/
 
footer{
 position:absolute;
 top: 95%;
 left:50%;
 transform:translateX(-50%);
}
 
.attribution {
 font-size: 11px;
 text-align: center;
}
 .attribution a {
 color: hsl(228, 45%, 44%);
}
 
/***** LAPTOP&UP LAYOUT *****/
 
@media (min-width: 770px){
 
/***** BODY DL *****/
 
  body{
    height:100vh;
    align-items:center;
    padding: 2rem;    
    background-image: url(../images/bg-intro-desktop.png);
  }
 
  #about, #cards{
    margin: 0;
    width:50%;
    flex-direction: column;
  }
 
/***** ABOUT SECTION DL *****/
  #about{
    align-items:flex-end;
    padding-right:4rem;
  }
  
  #about h2{
    text-align:left;
    font-size:3rem;
    line-height:1.15;
  
    max-width: 500px;
    margin-top:1rem;
    margin-bottom: 0.85rem;
  }
  
  #about h4{
    text-align: left;
    max-width: 500px;
    line-height:1.65;
    font-weight:400;
  
    margin-top:1rem;
    margin-bottom: 0.85rem;
  }
  
  /***** CARDS SECTION DL *****/
  
  #cards{
    justify-content:flex-start;
  }
  
  .card{
    width: 100%;
    max-width: 540px;
    padding:1.38rem;
  }
  
  .plan{
    margin-bottom: 1.5rem;
  }
  
  .plan h4{
    height: 1rem;
    font-size:0.95rem;
    line-height:1;
  }
  
  .form-wrap {
    padding:2.5rem;
    margin-bottom: 0rem;
  }
  
  #form{
    width:100%;
  }
  
  .form-wrap input{
    padding: 1.22rem 2rem;
    width:100%;
  }
  
  /***** FOOTER *****/
  
  footer{
    align-self:flex-end;
  }
 
}