body {
    font-family: 'Poppins', sans-serif;
    color: #433547; 
    background: rgb(147,204,236);
background: linear-gradient(152deg, rgba(147,204,236,1) 0%, rgba(190, 186, 255, 0.937) 35%, rgb(230, 236, 232) 100%); 
    margin: 3px; 
    padding: 0; 
    line-height: 1.6;
    text-align: center; 

}

nav {
    background-color: #161616; 
    display: flex; 
    justify-content: center;
    padding: 10px;
    position: center;
    top: 0;
    left: 0;
    width: 100%; 
  
background: rgba(255, 255, 255, 0.43);
border-radius: 16px;
box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
backdrop-filter: blur(13.7px);
-webkit-backdrop-filter: blur(13.7px);
border: 1px solid rgba(255, 255, 255, 0.41);
    
  }

  
  nav a {
    color: #433547; 
    margin-right: 20px; 
    text-decoration: none; 
    transition: color 0.3s ease;
  }
  
  nav a:hover {
   
        background-color: rgb(146, 195, 243);
        font-weight:light;
        color: rgb(247, 247, 247);
        border-radius: 20px;
        padding: 0.2rem 2rem;
  }
  
  header {
    margin-top: 60px; 
    color: #1c1c1c; 
  }

  h3 {
    
        font-family: roboto;
        display: block;
        font-size: 1.17em;
        margin-top: 2px;
        margin-bottom: 50px;
        font-weight: 400;
        unicode-bidi: isolate;}

.main-navigation{
    width: 70vw;
    background-color: #b687dc;
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 1.5rem 9rem 1.5rem 9rem;
    border-radius: 18px;
}

  img {display: block;
    width: 20%;
    margin: auto;
    border-radius:100%;
    margin-top: 20px;
  ;
}


.materias .levels-container {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
}

.materias .level-box {
    background-color: #181818;
    color: f4ddd2;;
    padding: 20px;
    border-radius: 10px;
    width: 200px;
    min-height: 200px; 
    box-shadow: 0 4px 8px #2d2d2d;
    text-align: left;


background: rgba(255, 255, 255, 0.43);
border-radius: 16px;
box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
backdrop-filter: blur(13.7px);
-webkit-backdrop-filter: blur(13.7px);
border: 1px solid rgba(255, 255, 255, 0.41);
}

.materias .level-box h1, .level-box ul, .level-box li {
    text-align: left;
    margin: 0; 
}

.materias .level-box ul {
    padding-left: 20px;
}

.integrantes {
    margin-top: 60px;
    
}

.integrantes h2 {
    margin-bottom: 5px; 
    padding: 0;
    text-align: center; 
    color: #262626; 
}

.integrantes h3 a {
    color: #1f1f1f;
    text-decoration: none; 
    font-weight: bold; 
    transition: color 0.3s ease; 
  }
  
.integrantes h3 a:hover {
    
        color: #2e2e2e;
  }


.integrantes .levels-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: nowrap; 
    gap: 50px; 
    max-width: 100%;
    margin: 0 auto;
}


.integrantes .level-box {
    padding: 10px;
    box-sizing: border-box;
    text-align: center;
    display: inline-block;
}


.integrantes .level-box img {
    display: block;
    margin: 0 auto;
}


section {
    display: grid;
    grid-template-columns: auto auto auto;
    gap: 20px;
    justify-content: center;
    margin-top: 20px;
}

.info {
    background-color: rgba(255, 255, 255, 0.43);
    display: grid;
    margin-top: 30px;
    margin-bottom: 30px;
    align-content: left;
    padding-top: 20px;
    padding-bottom: 10px;
}

.info-cat {
    gap: 12px;
    justify-content: left;
    text-align: left;
}

.info-cat p {
    color: #6c458d;
    margin: 7px 40px 7px 40px;
    font-size: 13px;
    font-weight: 300px;
    text-align: left;
}

.logo-cat {
    display: block;
    width: 40%;
    margin: left;
    align-content: left;
}
footer{margin:1rem;}


/* Responsive */

@media (max-width:800px){
    section{display: flex;
        flex-direction: column;
        justify-content: center;
        align-content: center;
        width: 100%;
        gap: 40px;}
    .materias {text-align: left;
        display:flex;
        flex-direction: column;
        padding: 1rem 1rem 1rem 1rem;
        width: 100%;
        align-self: center;
    }
    nav{font-size:smaller;}
    footer{margin:1rem;};
    img {width:max-content;
    }
}