html {
  scroll-behavior: smooth;
} 
body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-attachment: fixed;
  background-size: cover;
  overflow-x: scroll; /* Horizontale scrollbar indien nodig */
  overflow-y: auto;  /* Verticale scrollbar indien nodig */
;
}

header {

  position: sticky;
  top:0; 
  z-index: 1000;
  padding: 5px;
  background-color: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
  
}

.header-content {
  display: flex;
  justify-content: left;
  align-items: center;
  padding: 10px 20px; 
}

.logo img {
  width: 100px; 
}




.curio img {
  max-width: 100px;
  height: auto;
  display: block;
}



.menu ul {
  list-style: none;
  padding: 0;
  text-align: center;
}

.menu ul li {
  display: inline;
  margin: 0 10px;
}

.menu ul li a {
  text-decoration: none;
  font-weight: bold;
  font-size: 18px;
  transition: color 0.2s;
  color: #000000;
}

.menu ul li a:hover {
  color:#004c35;
}

.container {
  margin: 0 auto;
  padding: 0 20px;
}

#opleiding {
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 50vh;
}
#opleiding h2 {
  color: #004c35;
}
#opleiding img {
  max-width: 50%;
  height: auto;
  display: block;
}

.docent-en-vak {
  display: flex;
  flex-wrap: nowrap;
  gap: 20px;
  flex-direction: column;
  align-items: center;
}
.docent-en-vak h2 {
  color: #004c35;
}

.docent-en-vak-item {
  background-color: #fff;
  border: 1px solid #eaeaea;
  border-radius: 8px;
  padding: 20px;
  width: calc(50% - 20px);
  margin-bottom: 20px;
  box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.1);
}

.docent-en-vak-item img {
  max-width: 100px;
  height: auto;
  margin-right: 10px;
  border-radius: 50%;
}

.docent-en-vak-item .info {
  text-align: left;
}

#subject-name {
  color:rgb(0, 179, 255);
  font-weight: bold;
}

#rooster.section {
  text-align: center;
  padding: 20px;
}
#rooster h2 {
  color: #004c35;
}

#rooster img {
  max-width: 50%;
  height: auto;
  display: block;
  margin: 0 auto;
  /* filter: grayscale(20%); */
  transition: filter 0.3s ease-out;
}

.grid-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-gap: 20px;
  justify-content: center;
  margin: 20px;
}

#programmer-taal {
  background-color: #00d6fc;
}

#na-het-studeren {
  background-color: #fcda00;
}

#versnellen {
  background-color: #78034b;
  color: #fff;
}
#wat-heb-je-nodig {
  background-color: chartreuse;
}
.block {
  border: 1px solid #ccc;
  padding: 20px;
  text-align: center;
  box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.1);
  border: 1px solid #eaeaea;
  border-radius: 8px;
}

.block h3 {
  font-size: 1.2em;
  margin-top: 0;
}

.parallax-1 {
  height: 10vh;
  background-attachment: fixed;
  background-size: cover;
  background-repeat: no-repeat;
}

.parallax-2 {
  height: 50vh;
  background-image: url("../img/Fotos_locaties/Sanne Bas - Curio - Knipplein 11-2.jpg");
  background-attachment: fixed;
  background-size: cover;
  background-repeat: no-repeat;
}

.parallax-3 {
  height: 50vh;
  background-image: url("../img/Fotos_locaties/Sanne Bas - Curio - Terheijdenseweg 350-2.jpg");
  background-attachment: fixed;
  background-size: cover;
  background-repeat: no-repeat;
}



    .back-to-top {
      display: none;
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: rgba(0, 0, 0, 0.3);
      backdrop-filter: blur(10px);
      color: #fff; 
      padding: 10px 20px;
      border-radius: 5px;
      cursor: pointer;
    }

  
    .back-to-top:hover {
      background-color: #004c35;
    }

    #image-container {
      position: fixed; 
      top: 50%; 
      left: 85%; 
      transform: translateY(-30%); 
  }
  
  #image-container img {
    max-width: 170%;
      height: auto; 
      transform: rotate(-90deg);
      opacity: 0.5;
  }
  