* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}
.container {
  min-height: 100vh;
  overflow: hidden;
  font-family: 'Roboto', sans-serif;
}

/* header section */

header {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr;
  justify-items: center;
  align-items: center;
  justify-content: center;
  gap: 50px;
  position: relative;
  flex-direction: column;
}
header .background {
  width: 100%;
  top: 0;
  left: 0;
  z-index: -1;
  position: absolute;
  background: linear-gradient(to right, white, rgba(90, 207, 246, 0.298));
  height: 90%;
  border-radius: 0 0 20px 0;
}
.boxed{
  width: 100%;
  padding: 20px;
  margin: auto;
}
p{
  color: #626262;
}
h4{
  font-weight: 400;
  font-size: 1rem;
}
header .title {
  color: #222;
  text-transform: capitalize;
  text-align: center;
}
header .title p{
  color: #626262;
  margin-top: 20px;
}

header .calc {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.4);
  background-color: white;
  width: 100%;
  overflow: hidden;
}
.calc h1 {
  grid-column: span 2;
  text-transform: capitalize;
  text-align: center;
}

.calc .result {
  grid-column: span 2;
  background: linear-gradient(to right, rgb(54, 54, 240), royalblue);
  border-radius: 10px 50px 50px 10px;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  color: #fff;
  text-transform: capitalize;
  
}
.calc .result span{
  font-weight: 700;
}

.calc label {
  align-items: center;
  display: flex;
  gap: 10px;
  text-transform: capitalize;
  width: fit-content;
  cursor: pointer;
}

.calc input[type="number"] {
  border-radius: 10px;
  height: 50px;
  padding: 10px;
  outline: none;
  border: 1px solid #bbb;
  width: 100%;
  padding-right: 30px;
  font-weight: 600;
  color: #222;
  transition: 0.3s;
}
.calc input[type="number"]:focus {
  outline: 5px dotted royalblue;
  border-width: 3px;
  animation: outline 5s linear infinite backwards;
  position: relative;
}
@keyframes outline{
  
  50%{
    outline: 5px dotted rgb(226, 57, 57);
   
  }
  100%{
    outline: 5px dotted royalblue;
  
  }

}
.input {
  position: relative;
}
.input span {
  position: absolute;
  top: 50%;
  right: 5px;
  translate: 0 -50%;
  color: royalblue;
  font-weight: 700;
  text-transform: capitalize;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}
.showResultBtn {
  grid-column: span 2;
  border-radius: 1rem;
  padding: 10px;
  background-color: #222222;
  text-align: center;
  color: #eee;
  cursor: pointer;
}


/* ################################################################# */

/* section two */

.sec2 img {
  width: 300px;
  position: absolute;
  bottom: 0;
  left: 50%;
  translate: -50%;
}
.sec2 .image {
  background-color: rgba(90, 207, 246, 0.298);
  padding: 20px;
  width: 50%;
  height: 200px;
  position: relative;
  border-radius: 1rem;
  width: 100%;
}
.sec2 {
  display: grid;
  grid-template-columns: 1fr;
  justify-items: center;
  justify-content: center;
  margin: 30px 0;
  gap: 50px;
  min-height: 100vh;
  transition: 1.2s;
  transform: translateY(1500px);
}
.sec2-scroll{
  transform: translateY(0);
}
.sec2-f-child{
  display: grid;
  grid-template-columns: 1fr;
  justify-items: center;
  gap: 50px;
}
.whats-bmi {
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 20px;
  text-transform: capitalize;
}
.whats-bmi h1{
  font-size: 2rem;
}


/* ################################################ */


/* section two child */

.sec2-s-child{
  display: grid;
  grid-template-columns: repeat(auto-fill,minmax(300px,1fr));
  border-radius: 20px;
  gap: 20px;
  width: 100%;
  padding: 20px 0;
  position: relative;
}
.sec2-s-child::before{
  position: absolute;
  content: '';
  width: 100vw;
  height: 100%;
  left: 50%;
  translate: -50%;
  background-color: rgba(159, 230, 253, 0.172);

}


.sec2-s-child i{
  margin-bottom: 20px;
  background-color: rgb(255 200 230);
  padding: 10px;
  border-radius: 50%;
  color: rgb(255 79 228);
  width: 40px;
  height: 40px;
  text-align: center;
  line-height: 20px;
}
.sec2-s-child p{
  margin-top: 20px;
}
.sec2-s-child div{
  display: flex;
  flex-direction: column;
  justify-content: center;
}


/* section 3 */

.sec3{
  min-height: 100vh;
  transform: translateX(-1500px);
  transition: 1.5s;
}
.sec3-scroll{
  transform: translatex(0);
}
.sec3 .title{
  margin: auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 20px;
  text-align: center;
  max-width: 600px;
}
.sec3-items{
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  margin: 40px 0;
  gap: 30px;
}
.sec3-items div{
  width: 300px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  justify-content: center;
  box-shadow: 0 0 15px 10px #429bdd2b;  border-radius: 8px;
  padding: 20px;
  height: 180px;
}
.sec3-items i{
 font-size: 1.5rem;
 margin-right: 10px;
}
.sec3-items span{
  text-transform: capitalize;
  font-weight: 700;
}
.sec3-items div p::first-letter{
  text-transform: capitalize;
}






/* media queries */

@media (min-width: 1024px) {
  .boxed {
    padding: 80px;
  }
  header{
    grid-template-columns: 1fr 1fr;
  }
  header .background {
    width: 70%;
  }
  .calc {
   gap: 30px !important;
  }
  
  .sec2 img {
    width: 500px;
  }
  .sec2 .image{
    height: 400px;
  }
  .sec2{
    grid-template-rows: 1fr 1fr;
  }
  
  .sec2-s-child{
    grid-template-columns: repeat(auto-fill,minmax(500px,1fr));
  
  }
  .sec2-f-child{
    grid-template-columns: 1fr 1fr;
  }
  .sec3-items div{
    width: 500px;
  }
}