/* header*/
* {
  margin: 0;
  padding: 0;
  font-family: "Poppins", sans-serif;
  
}
body{
  background-color: #f0f8ff;
}

.hero {
  width: 100%;
  min-height: 100vh;
  background: #eefafc;
  padding-left: 5%;
  padding-right: 5%;
  box-sizing: border-box;
  color: #0047AB;
  background: url(wave.png);
  background-position: bottom;
  background-size: 100% 30%;
  background-repeat: no-repeat;
  z-index: 1;
  overflow: hidden;
 
}
nav {
  display: flex;
  align-items: center;
  padding: 8px 0;
}
.ncb {
  font-size: 3em;
  color: #0047AB;
  font-weight: 800;
  font-size: 50px;
}
.logo {
  width: 150px;
}
nav ul {
  flex: 1;
  text-align: right;
}
nav ul li {
  display: inline-block;
  list-style: none;
  margin: 0 15px;
  
}
a {
  text-decoration: none;
  color:#0047AB;
}
a:hover{
  background-color: #0047AB;
  color: #eefafc;
}
.btn {
  border: 2px solid #0047AB;
  padding: 6px 25px;
  border-radius: 30px;
  margin-left: 30px;
}
nav .btn:hover {
  background: #0047AB;
  color: #eefafc;
  font-weight: 500;
  transition: 0.1s;
}





/*card*/


.flip-card {
  background-color: transparent;
  margin: 30px 40px;
  border: 1px solid #0047AB;
  perspective: 1000px; 
  display: inline-block;
  height: 400px;
  width: 300px ;
  padding-left:500 px; 
  margin-top: 30px;

}


.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.8s;
  transform-style: preserve-3d;
  font-weight: 400;
  
}
.flip-card-back .flipcard-btn{
  color: #0047AB;
  background-color: #eefafc;
  border: 1px solid #fff;
  padding: 2px 7px;
  border-radius: 30px;
  font-weight: 400;
 }


.flip-card:hover .flip-card-inner {
  transform: rotateY(180deg);
}


.flip-card-front, .flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden; 
  backface-visibility: hidden;
}


.flip-card-front {
  background-color: #fff ;
 
}
 

.flip-card-back {
  background-color: #0047AB;
  color: white;
  transform: rotateY(180deg);
 
}