body {
  width: 100%;
  margin: 0 auto;
  padding: 0;
  font-family: 'Pretendard', sans-serif;
  box-sizing: border-box;
}

a {
  color: inherit;
  cursor: pointer;
  text-decoration: none;
}

.inner {
  width: 100%;
  margin: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
}

.header {
  height: 80px;
  display: flex; 
  justify-content: center;
  align-items: center; 
}

header img{
  height: 70px;
}


.btn,
.button-primary {
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #3692FF;
  color: #F9FAFB;
  font-weight: 600;
  text-decoration: none;
}

.btn {
  width: 357px;
  height: 56px;
  font-size: 20px;
  border-radius: 40px;
}

.button-primary {
  width: 128px;
  height: 48px;
  font-size: 16px;
  border-radius: 8px;
}

/*blue-block*/
.blue-block {
  background-color: #d7ebff;
  height: 540px;
  display: flex;
  justify-content: center;
  align-items: center;
  align-items: flex-end;
  width:100%;
}

.container {
  display: flex;
}

.container-text {
  display: flex;
  flex-direction: column;
  gap: 20px;

  font-size: 40px;
  font-weight: 700;
  color: #374151;
  line-height: 1.4;
}



/*card contents*/
.card-wrapper{
  width: 100%;
  height: 720px;
  display: flex;
  justify-content: center;
  align-items: center; 
}

.card-content {
  width: 988px;
  height: 444px;
  display: flex;
  align-items: center;
  background-color: #FCFCFC;
}

.card-content.reverse {
  display: flex;
  flex-direction: row-reverse;
}

.card-content img {
  width: 696px;
  height: 100%;
}

.card-text {
  width: 409px;
  height: 100%;
  padding: 103px 0 103px 64px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.card-subtitle {
  font-size: 18px;
  font-weight: 800;
  color: #3692FF;
}

.card-title {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.4;
  color: #374151;
}

.card-desc {
  font-size: 24px;
  line-height: 1.4;
  color: #374151;
}


/*footer*/
.footer{
    background-color: #111827;
    width:100%;
    height: 160px;
    padding-top: 32px;
    display: flex;
    justify-content: center;
}

.footer-container{
    display: flex;
    width: 1120px;
    height: 20px;
    justify-content: space-between;
    align-items: center;

    font-size: 16px;
    font-weight: 400;
    color: #9CA3AF;
}

.footer-cs {
  display: flex;
  gap: 30px;
  color: #E5E7EB;
  
}

.footer-social {
  display: flex;
  flex-direction: row;
  list-style: none;
  gap: 12px;
}

/*tablet*/
@media (max-width: 1199px){
  /*blue block*/
  .blue-block {
    height: 774px;
    flex-direction: column;
    align-items: center;
    gap: 20px;
  }

  .container {
    flex-direction: column;
    align-items: center;
    text-align: center;
    justify-content: space-between;
    padding-top: 84px;
    height: 100%
  }

  .container-text {
    align-items: center;                        
  }

  .container-text p#top br,
  h3 br{
  display: none;
  }

  /*card*/
  .card-wrapper{
    padding: 24px;
    margin: 0 0 50px;
    height: auto;
  }
  
  .card-content img {
    width: 100%;
    height: auto;
  }

  .card-content {
    flex-direction: column;
    position: relative; 
    background: none;
    padding: 0;
    margin: 0;
    width: 100%;
    height: auto;
    gap: 24px;
    
  }

  .card-content.reverse { 
    flex-direction: column; 
  }

  .card-text {
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    text-align: left;
    width: 100%;
    padding: 0;
    position: relative;
    gap: 16px;
    z-index: 1;
  }

  .footer-container {
    padding: 20px;
  }
}

/*mobile*/
@media (min-width: 375px) and (max-width: 767px) {
  /*blue block*/
  .blue-block {
    height: 540px;
    gap: 18px;
  }

   .container {
    padding-top: 48px;
  }

   .container img {
    width: 100%;
    max-width: 448px;
    height: auto;
  }

  .container-text {
    font-size: 32px;
  }

  .container-text p#top br{
    display: inline;
  }
  
  /*card*/
  .card-wrapper {
    padding: 15px;
    margin: 0 0 40px;
  }

  .card-subtitle {
    font-size: 16px;
  }

  .card-title {
    font-size: 24px;
  }

  .card-desc {
    font-size: 16px;
  }

  /*footer*/
  .footer-container {
    flex-wrap: wrap;
    gap: 50px;
  }
  .footer-copyright {
  flex-basis: 100%;
  order: 1;
  }

}