.montserrat {
    font-family: "Montserrat", sans-serif;
    font-optical-sizing: auto;
    font-weight: weight;
    font-style: normal;
}

body, html {
    margin: 0;
    padding: 0;
    overflow-y: hidden;
    height: 100vh;
    background-color: #f9f9f9;
}

header {
    height: 60px;
    width: 100%;
    background-color: white;
    border-bottom: 1px solid rgb(187, 187, 187);
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.oefening_1 {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 50px;
    font-weight: bold;
    margin-top: 80px;
}

.naam_oefening_1 {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 40px;
    font-weight: 600;
}

.oefening_1_tekst {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 30px;
    font-weight: 400;
    text-align: left;
    width: 70%;
}

.startknop {
    position: fixed;
    bottom: 40px;
    right: 60px;
    min-width: 150px;
    height: 45px;
    padding: 0 20px;
    background-color: #008743;
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

.startknop:hover {
    background-color: #006432;
}

main.oefening1 {
    display: flex;
    flex-direction: row;
    height: 100vh;
    overflow-x: auto; 
}

.oefening_1 {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 50px;
    font-weight: bold;
}

.uitleg_oefening_1 {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 37px;
    font-weight: 500;
    text-align: center;
}

.gebruikersnaam_wachtwoord{
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 25px;
    font-weight: 300;
    text-align: center;
}

.tekstblok {
    flex: 0 0 110vw;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
  
.scrollbare-inhoud {
    flex: 0 0 100vw;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #f0f0f0;
}

.brede-box {
    width: 150vw;
    height: 100%;
    background-color: #f9f9f9;
}

.inloggen_oefening_1{
    position: relative;
    width: 90vw;
    height: 90vh;
    background-color: rgb(255, 255, 255);
    margin-top: 5vh;
    margin-left: 10vw;
    border-radius: 8px;
    border: 2px solid rgb(187, 187, 187);
    overflow: hidden; 
}

.cardan_logo{
    height: 38px;
    width: auto;
    margin-top: 2px;
    margin-left: 20px;
}

.navigatie ul {
    list-style: none;
    display: flex;
    gap: 40px;
    padding: 0;
    cursor: pointer;
}

.navigatie li {
    display: flex;
    align-items: center;
    font-weight: 500;
    cursor: pointer;
}

.pijl svg {
    margin-left: 5px;
    vertical-align: middle;
    display: inline-block;
}

.login_knop{
    background-color: #008743;
    color:  white;
    font-weight: 500;
    font-size: 16px;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    padding: 7px 15px;
    margin-right: 60px;
    text-decoration: none;
}

.login_knop:hover{
    background-color: #006432;
}

.login-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    justify-content: center;
    align-items: center;
    z-index: 999;
}

#loginForm {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.5);
    z-index: 10;
    padding: 20px; 
    box-sizing: border-box; 
}

.login-box {
    position: absolute;
    background: white;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    min-width: 300px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.login-box input {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    font-size: 14px;
}

.login-box button {
    background-color: #008743;
    border: none;
    color: white;
    padding: 10px 15px;
    cursor: pointer;
    font-weight: 500;
    margin: 30px 5px 0;
    border-radius: 4px;
}

.login-box button:hover{
    background-color: #006432;
}

.sluit-knop {
    background-color: #888;
}

nav a {
    margin-left: 1.5rem;
    text-decoration: none;
    color: #000;
    position: relative;
    transition: color 0.3s ease;
}
  
nav a:hover {
    color: #008743;
}
  
nav a:not(.lang)::after {
    content: "↓";
    margin-left: 0.5rem;
    display: inline-block;
    transition: transform 0.3s ease;
}

  nav a:not(.lang):hover::after {
    transform: rotate(-180deg);
}
  
nav a.lang {
    font-weight: bold;
}

.hero {
    display: flex;
    justify-content: center;
    padding: 2rem;
    gap: 2rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}
  
.hero-text {
    max-width: 500px;
}
  
.hero-text h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
}
  
.hero-text ul {
    list-style-type: none;
    padding-left: 0;
}
  
.hero-text li {
    margin: 0.5rem 0;
}
  
.hero-text a {
    text-decoration: underline;
    color: #008743;
    transition: color 0.3s ease;
}

.hero-text a:hover {
    color: #0d6b3d;
}
  
.cta-knop {
    background-color: #008743;
    color: #fff;
    border: none;
    padding: 0.75rem 1.5rem;
    font-weight: bold;
    cursor: pointer;
    border-radius: 5px;
    margin-top: 1rem;
    transition: background-color 0.3s ease;
}

.cta-knop:hover {
    background-color: #0d6b3d;
}
  
.hero-image img {
    height: auto;
    border-radius: 15px;
    max-width: 84%;
}
  
.features {
    background-color: #eaf8ef;
    padding: 1rem 2rem;
    font-size: 0.95rem;
    text-align: center;
}
  
.features ul {
    list-style-type: none;
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    padding-left: 0;
    justify-content: center;
}
  
.simulatie {
    position: absolute;
    top: 50%;
    right: 2rem;
    transform: translateY(-50%);
}
  
.simulatie-button {
    background-color: #008743;
    color: #000000;
    border: none;
    padding: 1rem 2rem;
    font-weight: bold;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    font-size: 1.1rem;
}

.simulatie-button:hover {
    background-color: #0d6b3d;
    transform: translateY(-2px);
    box-shadow: 0 6px 8px rgba(0, 0, 0, 0.15);
}


.black-overlay_level_1 {
    position: fixed;
    top: 0;
    width: 30vw;
    height: 100vh;
    background-color: black;
    z-index: 1000;
    pointer-events: none;
 }
  
  .black-overlay_level_1.left {
    left: 0;
    background: linear-gradient(to right, black 90%, transparent);
  }
  
  .black-overlay_level_1.right {
    right: 0;
    background: linear-gradient(to left, black 90%, transparent);
}









.navigatie_oefening_1_level_2 ul {
    list-style: none;
    display: flex;
    gap: 40px;
    padding: 0;
    margin-right: 30vh;
    cursor: pointer;
}

.navigatie_oefening_1_level_2 li {
    display: flex;
    align-items: center;
    font-weight: 500;
    cursor:pointer;
}

.oefening_2{
    position: relative;
    width: 90vw;
    height: 90vh;
    background-color: rgb(255, 255, 255);
    margin-top: 5vh;
    margin-left: 10vw;
    border-radius: 8px;
    border: 2px solid rgb(187, 187, 187);
    overflow: hidden; 
}

#shape-area {
  position: relative;
  width: 100%;
  height: 75vh; 
  overflow: hidden;
  padding-bottom: -20px;
}

.shape {
  position: absolute;
  cursor: pointer;
  transition: all 0.3s ease;
}

#instruction {
  text-align: center;
  font-size: 20px;
  margin-bottom: 20px;
}

.circle {
  border-radius: 50%;
}

.square {
    /*hier hoeft niks*/
}

.triangle {
  width: 0;
  height: 0;
  border-left: 40px solid transparent;
  border-right: 40px solid transparent;
  border-bottom: 80px solid;
  background: none;
}

.black-overlay_level_2 {
    position: fixed;
    top: 0;
    width: 37vw;
    height: 100vh;
    background-color: black;
    z-index: 1000;
    pointer-events: none;
  }
  
  .black-overlay_level_2.left {
    left: 0;
    background: linear-gradient(to right, black 90%, transparent);
  }
  
  .black-overlay_level_2.right {
    right: 0;
    background: linear-gradient(to left, black 90%, transparent);
}







.oefening_3{
    position: relative;
    width: 90vw;
    height: 90vh;
    background-color: rgb(255, 255, 255);
    margin-top: 5vh;
    margin-left: 10vw;
    border-radius: 8px;
    border: 2px solid rgb(187, 187, 187);
    overflow: hidden; 
}

.nos_foto {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.oefening_3 {
  position: relative; 
}

.popup-container_level3 {
  position: absolute;
  top: 50%;
  left: 50%; 
  transform: translate(-50%, -50%);
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  width: 100%;
  height: 100%;
}

.popup-box_level3 {
  background: white;
  padding: 20px;
  border-radius: 10px;
  text-align: center;
  width: 300px;
  position: relative;
}

.popup-container_level3.hidden {
  display: none;
}

.close-btn_level3 {
  position: absolute;
  top: 10px;
  right: 15px;
  background: transparent;
  border: none;
  font-size: 18px;
  cursor: pointer;
}

#choiceOptions_level3 {
  margin-top: 20px;
}

#choiceOptions_level3 button {
  display: block;
  margin: 10px auto;
  padding: 10px 20px;
  background-color: #008743;
  color: white;
  border: none;
  font-size: 16px;
  border-radius: 4px;
  width: 90%; 
  cursor: pointer;
}

#choiceOptions_level3 button:hover {
  background-color: #046b20;
}

.keuze_level3_knop {
  background-color: #008743;
  color: white;
  font-weight: 500;
  font-size: 16px;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  padding: 7px 15px;
  margin-right: 60px;
  text-decoration: none;
}

.keuze_level3_knop:hover {
  background-color: #006432;
}

.black-overlay_level_3 {
    position: fixed;
    top: 0;
    width: 45vw;
    height: 100vh;
    background-color: black;
    z-index: 1000;
    pointer-events: none;
  }
  
  .black-overlay_level_3.left {
    left: 0;
    background: linear-gradient(to right, black 90%, transparent);
  }
  
  .black-overlay_level_3.right {
    right: 0;
    background: linear-gradient(to left, black 90%, transparent);
}





.inloggen{
    display: flex;
    justify-content: center;
    height: 80%;
    width: 60%;
    background-color: #575757;
}