/* This class changes as much as there are pages for each background
without messing much up of its styles */ 



.hero-container {
  height: 50vh;
  background-color: #fff;
  position: relative;
  background-image: url(../assets/img/project-2.png);
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  margin-top: -2rem;
}

.rijks-container {
  height: 50vh;
  background-color: #fff;
  position: relative;
  background-image: url(../assets/img/project-1.png);
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  margin-top: -2rem;
}

.melk-container {
  height: 50vh;
  background-color: #fff;
  position: relative;
  background-image: url(../assets/img/project-3.png);
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  margin-top: -2rem;
}









/****************************************************************/


.container1 {
  max-width: 1200px;
  margin-top: -2rem;
  padding: 1rem;
 
  font-weight: var(--font-medium);
  font-size: 1.25rem;
  position: relative;
}

.challenge strong{
  color: var(--first-color); 
}



.challenge {
 
margin-bottom: 3rem;
margin-top: 2rem;

}




.container1 .geometric-box{
  position: absolute;
  top: 16rem;
  
}

.container1 h2{
  font-weight: var(--font-regular);
  font-size: 2rem;
}

.container1 h3{
  font-size: 2rem;
}

.projects .geometric-box{
  position: absolute;
  left: 20rem;
  
}

.titles1 {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.container1 p{
  margin-bottom: 1rem;
}

.titles2 {
  margin-top: 1rem ;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.titles3{
  margin-top: 1rem;
  margin-bottom: 1rem;
}

.container1 p {
  color: #000;
}

.container-border {

  margin-left: 1rem;
  margin-right: 1rem;
  margin-top: -5rem;
  font-weight: var(--font-medium);
 
}

.container-border p {
  color: #000;
  border-left: 4px solid var(--first-color);
  padding-left: 1rem;
  margin-bottom: 2rem;
  font-size: 1.25rem;
}

.container-border2 {

 
  
  font-weight: var(--font-medium);
}

.container-border2 p {
  color: #000;
  border-right: 4px solid var(--first-color);
  padding-right: 1rem;
  padding-left: 1rem;
  margin-right: 1rem;
  margin-bottom: 2rem;
  font-size: 1.25rem;
}

.title-project {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.dark-theme .container1{
  color: #fff;
}

.dark-theme p{
  color: #fff;
}

.dark-theme .about-buttons .button-ghost i{
  color: #000;
}

.dark-theme .about-buttons .button-ghost i:hover{
  color: var(--first-color);
}

.hero-container {
  height: 50vh;
  background-color: #fff;
  position: relative;
  background-image: url(../assets/img/project-2.png);
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  margin-top: -2rem;
}

.rijks-container {
  height: 50vh;
  background-color: #fff;
  position: relative;
  background-image: url(../assets/img/project-1.png);
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  margin-top: -2rem;
}




.about-buttons {
  position: absolute;
  bottom: 2rem;
  left: 5rem;
  right: 5rem;
}


/* Progress section *************/ 

.progress, .document, .contact  {
  background-color: #fff;
  
}

.dark-theme .progress{
  background-color: darkgray;
  
}

.dark-theme .research-detail{
  background-color: darkgray;
  
}

.dark-theme .document{
  background-color: #000;
  
}

.dark-theme .contact{
  background-color: #000;
  
}

.research-detail{
 margin-top: -4rem;
}


.research-detail,.document,.contact{
  background-color: #fff;
}

.progess-info1 , .progess-info2 , .progess-info3 , .progess-info4 , .progess-info5 h3+p{
  max-width: 18rem;
  background-color: grey;
  color: #fff;
  margin: 2em auto;
  

  
 
 
}



.progess-info5 {
  background-color: grey;
  color: #fff;
  max-width: 18rem;
  margin: 2em auto;


}


.progess-info1 h3{
  color: #fff;
  
}
.progess-info2 h3{
  color: #fff;
}
.progess-info3 h3{
  color: #fff;
}
.progess-info4 h3{
  color: #fff;
}
.progess-info5 h3{
  color: #fff;
}







.progess-info1{
  padding: 2rem;
  position: relative;
  border-radius: 4px;
}

.progess-info1::before{
  content: '';
  height: 80px;
  width: 10px;
  background-color: grey;
  position: absolute;
  right: 8rem;
  bottom: -5rem;
}

.progess-info2{
  padding: 2rem;
  position: relative;
  border-radius: 4px;
}

.progess-info2::before{
  content: '';
  height: 80px;
  width: 10px;
  background-color: grey;
  position: absolute;
  right: 8rem;
  bottom: -5rem;
}
.progess-info3{
  padding: 2rem;
  position: relative;
  border-radius: 4px;
}

.progess-info3::before{
  content: '';
  height: 80px;
  width: 10px;
  background-color: grey;
  position: absolute;
  right: 8rem;
  bottom: -5rem;
}
.progess-info4{
  padding: 2rem;
  position: relative;
  border-radius: 4px;
}

.progess-info4::before{
  content: '';
  height: 80px;
  width: 10px;
  background-color: gray;
  position: absolute;
  right: 8rem;
  bottom: -5rem;
}
.progess-info5{
  padding: 2rem;
  position: relative;
  border-radius: 4px;
}









.progress p{
  font-weight: var(--font-medium);
  font-size: 1rem;


}

.dark-theme p{
  color:#fff; 
}

.progress-wrapper{
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-left: 2rem;
  margin-right: 2rem;
}



.accordion {
  display: flex;
  flex-direction: column;
  max-width: 100%;
  gap:1rem; 
  margin-right: 1rem;
  margin-left: 1rem;
  font-size: 2rem;
 color:#000;
 
}

.accordion-content p{
 font-size: 1.25rem;
 color: var(--black-color);
 font-weight: var(--font-medium);
 padding-bottom: 2rem;

}

.accordion-content{
  margin-bottom: 2rem;
}

.accordion-content img{
  width: 80%;
  margin: auto;
  margin-bottom: 2rem;
  margin-top: 1rem;
 
}

.accordion-content ol li{
  list-style:decimal;
  margin-bottom: 1rem;
}

.accordion-content a{
  font-size: 1.25rem;
  font-weight: bold;
  color:var(--first-color); 
}

.accordion-content h3{
  font-size: 1.50rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
 
}

.dark-theme .accordion-content h3{
  color:#000; 
}


.accordion-content ul {
  margin-top: 1rem;
  margin-bottom: 1rem;
 
}

.accordion-content li strong{
  color:var(--first-color);
  font-size: 1.25rem;
}

.accordion-content strong{
  font-size: 1.25rem;
  color:var(--first-color); 

}



li em{
  font-weight: bold; 
  
}




.accordion-item {
  background-color: #f1f1f1;
  border-radius: 5px;
  
 
  
 
 
}

.accordion-item .accordion-header {
  background-color: #f1f1f1;
  padding: 20px;
  
  cursor: pointer;
  display: flex;
  justify-content: space-between;
}

.accordion-item .accordion-content {
  display: none;
  padding: 20px;
  margin-bottom: 1rem;
  
}

.accordion-item.active .accordion-content {
 display: block; 
}

.accordion-item .accordion-content p {
  margin: 0; /* Remove the default margin on the paragraph */
  margin-bottom: 1rem;

}

.accordion-content li{
  list-style:square; 
  margin-left: 2rem;
  margin-top: 1rem; 
  font-size: 1.25rem;

}

.accordion-content h4{
  font-size: 1.50rem;
}

.contact-container{
  width: 100%;
}

.document-buttons{
  display: flex;
  margin: auto;
   
}

.document-buttons .button{

  margin-right: 1rem;
}

.responsive-iframe-wrapper{
  max-width: 780px;
  margin: auto;
  margin-bottom: 2rem;

}

.carousel {
  position: relative;
  margin-bottom: 4rem;
}

.carousel__item {
  height: auto;
  margin: auto;
  max-width: 780px;
  background: grey;

  font-family: "Quicksand", sans-serif;
  font-weight: bold;
  font-size: 2em;
  color: #ffffff;
  display: none;
 
 
}

.carousel__item img{
  width: 100%;

  
}

.carousel__item--selected {
  display: block;
}

.carousel__nav {
  width: 100%;
  padding: 20px 0;
  position: absolute;
  bottom: 0;
  left: 0;
  text-align: center;
}

.carousel__button {
  width: 10px;
  height: 10px;
  display: inline-block;
  background: var(--first-color); 
  border-radius: 50%;
  margin: 0 5px;
  cursor: pointer;
  z-index: 20;
}

.carousel__button--selected {
  background: grey; 
}





@media  screen and (max-width: 398px) {

  .about-buttons {
    position: flex;
   margin-left: -4rem;
   align-items: center;
   width: 100%;
   
  }



  
}

@media screen and (max-width: 780px) {
  .carousel {
    position: relative;
    margin-bottom: 2rem;
    margin-left: 1rem;
    margin-right: 1rem;
  }
}

@media screen and (min-width: 780px){

  .hero-container{
    height: 60vh;
  }

  .accordion {
   
    
    max-width: 780px;
    gap: 1rem;
    margin: auto;
    font-size: 2rem;
   color:#000;
   
  }

  .titles-wrapper{
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    margin-bottom: 2rem;

  }

  .projects .geometric-box{
    position: absolute;
    left: 50rem;
    
    
  }

 .container1{
  max-width: 780px;
  margin: auto;
  margin-bottom: -4rem;
 }



  .container-border {
    max-width: 780px;
    margin: auto;
    display: grid;
    grid-template-columns: 1fr 2fr;


  }

  .container-border h2{
    font-size: 2rem;
  }

  .container-border p {
    font-size: 1.25rem;
  }
  

  .container-border2 {
     display: grid;
     grid-template-columns: 4fr 1fr;
     max-width: 780px;
     margin: auto;
     margin-top: 4rem;
     margin-bottom: 3rem;
     
 
  }

  .container-border2 h2{
    order: 1;
    font-size: 2rem;
  }

 






}

@media screen and (min-width: 1140px) {
  .hero-container {
    height: 90vh;
    background-color: #fff;
    position: relative;
    background-image: url(../assets/img/project-2.png);
    background-size: 50%;
    background-position: center;
    background-repeat: no-repeat;
  }

  .rijks-container {
    height: 90vh;
    background-color: #fff;
    position: relative;
    background-image: url(../assets/img/project-1.png);
    background-size: 50%;
    
    background-position: center;
    background-repeat: no-repeat;
  }

  .melk-container {
    height: 90vh;
    background-color: #fff;
    position: relative;
    background-image: url(../assets/img/project-3.png);
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    margin-top: -2rem;
  }


  .dark-theme .container1 p{
    color: #fff;
  }

  .about-buttons {
    margin-bottom: 3rem;
  }



  .container1 p {
    color: #000;
   
  }



  


 



  .progress .section-title-2{
    margin-bottom: 7rem;
  }

  .progress-wrapper{
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr 1fr;
    column-gap: 1em;
    margin-left: 3em;
    margin-right: 3em;

  }

 

  .progess-info1 , .progess-info2 , .progess-info3 , .progess-info4 , .progess-info5 h3+p{
    max-width: 18rem;
    background-color: grey;
    color: #fff;
    

    
   
   
  }

  .progess-info1{
    padding: 2rem;
    position: relative;
    border-radius: 4px;
  }

  .progess-info1::before{
    content: '';
    height: 10px;
    width: 40px;
    background-color: grey;
    position: absolute;
    right: -1rem;
    top: 8rem;
  }

  .progess-info2{
    padding: 2rem;
    position: relative;
    border-radius: 4px;
  }

  .progess-info2::before{
    content: '';
    height: 10px;
    width: 40px;
    background-color: grey;
    position: absolute;
    right: -1rem;
    top: 8rem;
  }
  .progess-info3{
    padding: 2rem;
    position: relative;
    border-radius: 4px;
  }

  .progess-info3::before{
    content: '';
    height: 10px;
    width: 40px;
    background-color: grey;
    position: absolute;
    right: -1rem;
    top: 8rem;
  }
  .progess-info4{
    padding: 2rem;
    position: relative;
    border-radius: 4px;
  }

  .progess-info4::before{
    content: '';
    height: 10px;
    width: 40px;
    background-color: grey;
    position: absolute;
    right: -1rem;
    top: 8rem;
  }
  .progess-info5{
    padding: 2rem;
    position: relative;
    border-radius: 4px;
  }



  .progess-info5 {
    background-color: grey;
    color: #fff;

  }

  .progress-wrapper h3, p{
    color: #fff;
  }

}


@media screen and (min-width: 1590px) {


  .hero-container{
    height: 95vh;
  }

  .container1{
    position: relative;
  }

 



  .para{
   
    width: 100%;
    box-sizing: border-box;
  }

  .container-border p{
    font-size: 1.25rem;
   
  }

  .container-border2 p{
    font-size: 1.25rem;
  }

  .progess-info1 p, h3{
    font-size: 1.25rem;
  }
  .progess-info2 p, h3{
    font-size: 1.25rem;
  }
  .progess-info3 p, h3{
    font-size: 1.25rem;
  }
  .progess-info4 p, h3{
    font-size: 1.25rem;
  }
  .progess-info5 p, h3{
    font-size: 1.25rem;
  }

  .progess-info1::before{
    content: '';
    height: 10px;
    width: 80px;
    background-color: grey;
    position: absolute;
    right: -5rem;
    top: 8rem;
  }
  .progess-info2::before{
    content: '';
    height: 10px;
    width: 80px;
    background-color: grey;
    position: absolute;
    right: -5rem;
    top: 8rem;
  }
  .progess-info3::before{
    content: '';
    height: 10px;
    width: 80px;
    background-color: grey;
    position: absolute;
    right: -5rem;
    top: 8rem;
  }
  .progess-info4::before{
    content: '';
    height: 10px;
    width: 80px;
    background-color: grey;
    position: absolute;
    right: -5rem;
    top: 8rem;
  }









}

.responsive-iframe-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  margin-left: 1rem;
  margin-right: 1rem;
}

.responsive-iframe-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}


.footer{
  margin-top: -2rem;
}

.section-melkweg{
 
  display: flex;
  padding-top: 4rem;
}