*{
    padding: 0;
    margin: 0;
    text-decoration: none;
    list-style: none;
    list-style: none;
    box-sizing: border-box;
}

:root{
    --color_verde1: #344839;
    --color_mostaza: #e6a057;
    --color_verde2: #3c4f44;
    --color_cuatro: #977a4f;
    --color_blanco: #fefefe;

    
  }


header{
   
    background-size: 100%;
    background-attachment: fixed;
    width: 100%;
    height: 800px;
    background-repeat: no-repeat;
    position: relative;
 
}
nav{
    background-color: #344839;
    height: 90px;
    width: 100%;
    opacity: 0.9;
   
}



.logo {
    width: 200px;
    height: 50px;
}
nav ul{
    float: right;
    margin-right: 20px;
    padding: 5px 5px;
}

nav ul li{
    display: inline-block;
    line-height: 80px;
    margin: 0 5px;

}

nav ul li a{
    color: white;
    font-size: 18px;
    padding: 7px 13px;
    border-radius: 3px;
    font-family: 'Quicksand', sans-serif;
    text-decoration: none;
    background-image: linear-gradient(#e6a057, #e6a057);
    background-position: 0% 100%;
    background-repeat: no-repeat;
    background-size: 0% 2px;
    transition: background-size .5s;
}

li a.active, li a:hover, a:focus{
    background-size: 100% 3px;
  

}

.checkbtn{
    font-size: 30px;
    color: white;
    float: right;
    line-height: 80px;
    margin-right: 40px;
    cursor: pointer;
    display: none;
}

#check{
    display: none;
}

@media (max-width: 952px) {
    .pagina_principal{
        padding-left: 20px;
        
    }
    nav ul li a{
        font-size: 16px;
    }
}

@media (max-width: 1150px) {
    .checkbtn{
        display: block;
    }
    ul{
        position: fixed;
        width: 100%;
        height: 100vh;
        background:rgb(3, 14, 8);
        top: 80px;
        left: -100%;
        text-align: center;
        transition: all .5s;
    }

    nav ul li{
        display: block;
        margin: 50px 0;
        line-height: 30px;

    }

    nav ul li a{
        font-size: 20px;

    }

    li a:hover, li a.active{
        background: none;
        color: var(--color_mostaza);
    }

    #check:checked ~ul{
        left: 0;
    }

    .logo{
        width: 15%;
         height: 75%;
       
    }

    header{
        
        background-size: 100%;
        background-attachment: fixed;
        width: 100%;
        height: 800px;
        background-repeat: no-repeat;
        position: relative;
       

    }
}

@media (min-width: 900px) {
    .logo{
        width: 450px;
        height: 90px;
        padding-left: 30px;
        padding-top: 10px;
    }
    nav{
        background-color:  #344839;
        height: 100px;
        width: 100%;
        opacity: 0.9;
        position: fixed;
    }
    header{
        
        background-size: 100%;
        background-attachment: fixed;
        width: 100%;
        height: 800px;
        background-repeat: no-repeat;
        position: relative;
       

    }
}

@media screen and (min-width: 630px) and (max-width: 900px) {
    .logo{
        width: 350px;
        height: 80px;
        padding-left: 30px;
        padding-top: 10px;
    }
    nav{
        background-color:  #344839;
        height: 90px;
        width: 100%;
        opacity: 0.9;
        position: fixed;
    }
    header{
        
        background-size: 100%;
        background-attachment: fixed;
        width: 100%;
        height: 450px;
        background-repeat: no-repeat;
        position: relative;
       

    }
}


@media screen and (min-width: 200px) and (max-width: 629px) {
    .logo{
        width: 200px;
        height: 50px;
        padding-left: 30px;
        padding-top: 10px;
    }
    nav{
        background-color: #344839;
        height: 70px;
        width: 100%;
        opacity: 0.9;
        position: fixed;
    }
    header{
        
        background-size: 100%;
        background-attachment: fixed;
        width: 100%;
        height: 200px;
        background-repeat: no-repeat;
        position: relative;
       

    }
}