:root {
    --color_primario:#42a6e8da;
    --color_primario_suave: rgb(128, 191, 233);
    --color_blanco: #fff;
    --altura_header: 80px;
    --padding_left_right: 2rem;
    --ancho_maximo: 1200px;
}
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    background-color: #e4e4e4;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}
a{
    text-decoration: none;
}
ol,ul{
    list-style: none;
}
.header {
    height: var(--altura_header);
    background-color: var(--color_primario);
}
.navbar {
    height: 100%;
    display: flex;
    justify-content: right;
    align-items: center;
    flex-wrap: wrap;
    padding: 0 var(--padding_left_right);
}
.menu_hamburguesa{
    display: none;
}
.menu_hamburguesa:checked + .ul_links {
    height: calc(100vh - var(--altura_header));
}

.list_icon {
    color: var(--color_blanco);
    cursor: pointer;
}
.ul_links {
    width: 100%;
    background-color: var(--color_primario_suave);
    position: absolute;
    top: var(--altura_header);
    left: 0;
    height: 0;
    overflow: hidden;
    /*height: calc(100vh - var(--altura_header));*/ 
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0.7rem;
    font-size: smaller;
    z-index: 1000;

    transition: all .3s;
}

.link {
    font-size: 20px;
    color: var(--color_blanco);
    font-weight: bold;
}

/*menu vertical integrantentes*/
  
.menu-horizontal,
  li {
    border-radius: 10px;
  }
  
  .menu-horizontal, a {
    text-decoration: none;
    
  }
  
  .menu-horizontal {
    list-style: none;
    display: flex;
    justify-content: space-around;
  }
  
  .menu-horizontal>li>a {
    display: block;
    padding: 10px 15px;
    text-decoration: none;
  }
  
  .menu-horizontal>li:hover {
    background-color: #b5aa96;
    transition: ease 500ms;
  }
  
  .menu-horizontal li:hover .menu-vertical {
    display: block;
  }
  
  .menu-vertical {
    position: absolute;
    display: none;
    list-style: none;
    width: 12.5rem;
    background-color: rgba(10, 20, 34, 0.427);
  
  }
  
  .menu-vertical li:hover {
    background-color: black;
  }
  
  .menu-vertical li a {
    display: block;
    color: white;
    text-align: center;
    text-decoration: none;
    padding: 0.8rem 0.8rem 0.8rem 0;
  }
  /*fin menu vertical integrantes*/

  .contenedor1 {
    width: 90%;
    margin: auto;
  }
  .titulo1{
    color: rgb(87,172,227);
    font-size: 2rem;
    text-align: center;
    padding-top: 2rem;
    padding-bottom: 2rem;
  }
  .boton {
    border: 0.5rem solid rgb(87,172,227); /*anchura, estilo y color borde*/
    padding: 0.5rem; /*espacio alrededor texto*/
    background-color:rgb(87,172,227); /*color botón*/
    display: flex;
    border-radius: 50px; /*bordes redondos*/
    margin: auto;
    margin-bottom: 2rem;
    }

    .texto-boton{
        color: #fdf7f7; /*color texto*/
        text-decoration: none; /*decoración texto*/
        text-transform: uppercase; /*capitalización texto*/
    }

    .btn-integrantes{
        display: flex;
        flex-direction: row;
    }

    .catedra{
        width: 80%;
        margin: auto;  
        margin-bottom: 4rem;
        margin-top: 4rem;
        padding: 0.7rem;
        border: solid 1px black;
    }

    .texto-catedra{
        text-align: justify;
        font-size: 1rem;
    }
      
      .texto-footer{
        width: 70%;
        margin: auto;
        text-align: justify;
        font-size: 1,5rem;
        
        background-color: #2020204d;
        padding: 1rem;
    }

      .contenedor-texto-footer{
        width: 100%;
        margin: auto;
        display: flex;
        align-items: center;
        background: url(../img/fadu.png); 
        
        width: 100%; 
        height: 17rem; 
        background-size: cover;
        color: rgb(255, 255, 255); 
        z-index: 10;
        margin-top: 2rem;
      }

@media (min-width: 860px) {
    .labe_hamburguesa {
        display: none;
    }
    .ul_links {
        position: static;
        width: auto;
        height: auto;
        flex-direction: row;
        font-size: 1rem;
        gap: 2rem;
    }
    .link {
        font-size: 14px;
        transition: all .3s;
        padding: .2rem .7rem;
    }
    .navbar {
        justify-content: center;
    }
    .contenedor1 {
        width: 70%;
    }
    .btn-integrantes {
        justify-content: flex-start;
    }
    .texto-footer {
        font-size: 1rem;
    }
}

@media (min-width: 1024px) {
    .contenedor1 {
        width: 60%;
    }
    .link {
        font-size: 13px;
    }
    
    .ul_links {
        font-size: 10px;
    }
    .texto-footer {
        font-size: 0.875rem;
    }
    .texto-catedra{
        text-align: center;
    }
}