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

:root{
    --color-primary:#6c63ff;
    --color-succes:#75f023;
    --color-warning :#f7c94b;
    --color-danger :red;
    --color-danger-variant: rgba(247,88,66, 0.4);
    --color-white:white;
    --color-light:rgba(255,255,255,0.7);
    --color-black:black;
    --color-bg:#8d4925;
    --color-bg1:#c57d56;
    --color-bg2:#ffb48a;
    
     --container-widht-lg:80%;
     --container-widht-md:90%;
     --container-widht-sm:100%;

     --transition :all 400ms ease;

}
body{
    font-family: 'Montserrat', sans-serif;
    line-height: 1.7;
    color: var(--color-white);
    background: var(--color-bg);

}

.container{
    width: var(--container-widht-lg);
    margin: 0 auto;
}

section{
    padding: 6rem 0;
}

section h2{
    text-align: center;
    margin-bottom: 4rem;
}

h1,h2,h3,h4,h5{
    line-height: 1.2;
}

h1{
    font-size: 2.4rem;
}

h2{
    font-size: 2rem;
}

h3{
    font-size: 1.6rem;
}

h4{
    font-size: 1.3rem;
}

a{
    color:var(--color-white);
}

img{
    width: 100%;
    display: block;
    object-fit: cover;
}

.btn{
    display: inline-block;
    background: var(--color-white);
    color: var(--color-black);
    padding: 1rem 2rem;
    border: 1px solid transparent;
    font-weight: 500;
    transition: var(--transition);
}

.btn:hover{
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.btn-primary{
    background: var(--color-danger);
    color: var(--color-white);
}

/*------navbar-------*/
#logo{
    background-color: transparent;
    height: 9rem;
    width: 9rem;
    margin-bottom: 0rem;
}

nav{
    background:transparent;
    width: 100vw;
    height: 5rem;
    position: fixed;
    top:0;
    z-index: 11;
}

/*--------change styles on scroll using javascript*/

.windows-scroll{
    background: var(--color-primary);
    box-shadow: 0 1rem 2rem rgba(0,0,0,0.2) ;
}

.nav_container{
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav button{
    display: none;
}

.nav_menu{
    display: flex;
    align-items: center;
    gap: 4rem;
}

.nav_menu a{
    font-size: 0.9rem;
    transition: var(--transition);
}

.nav_menu a:hover{
    color: var(--color-bg2);
}

/*------------header------------*/

header{
    
    background: linear-gradient(to right , rgba(17, 21, 221, 0.553), rgba(133, 147, 6, 0.537)),url("/images/fondo.jpg");
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    
    
    width: 100%;
    position: relative;
    top: 5rem;
    overflow: hidden;
    height: 70vh;
    margin-bottom: 5rem;
}



   

.header_container{
    
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 5rem;
    height: 100%;
}

.header_left p {
    margin: 1rem 0 2.4rem;

}

/*---------categorias---*/

.categorias{
    background: var(--color-bg1);
    height: 39rem;
}

.categorias h1{
    line-height: 1;
    margin-bottom: 3rem;
}

.categorias_container{
    display: grid;
    grid-template-columns: 40% 60%;
    /*gap: 4rem;*/
}

.categorias_left{
    margin-right: 4rem;
}
.categorias_left p {
    margin: 1rem 0 3rem;

}

.categorias_right  {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;

}

.category{
    background: var(--color-bg2);
    padding: 2rem;
    border-radius: 2rem;
    transition: var(--transition);
}

.category:hover{
    box-shadow: 0 3rem 3rem rgba(0,0,0,0.3);
    z-index: 1;
}

.category:nth-child(2) .category_icons{
    background: var(--color-danger);
}

.category:nth-child(3) .category_icons{
    background: var(--color-succes);
}

.category:nth-child(4) .category_icons{
    background: var(--color-warning);
}

.category:nth-child(5) .category_icons{
    background: var(--color-succes);
}

.category_icons{
    background: var(--color-primary);
    padding: 0.7rem;
    border-radius: 0.9rem;
}

.category h5{
    margin: 2rem 0 1rem ;
}

.category p{
    font-size: 0.85rem;
}

/*-----------popular courses------------*/

.courses{
    margin-top: 10rem;
}

.courses_container{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.course{
    background: var(--color-bg1);
    text-align: center;
    border: 1px solid transparent;
    transition: var(--transition);
}

.course:hover{
    background: transparent;
    border-color: var(--color-primary);
}

.courses_info{
    padding: 2rem;
}

.courses_info p{
    margin: 1.2rem 0 2rem;
    font-size: 0.9rem;
}


/*   questions */


.faqs{
    background: var(--color-bg1);
    box-shadow: inset 0 0 3rem rgba(0,0,0,0.5);
}

.faqs_containers{
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.faq{
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 1.4rem;
    height: fit-content;
    background: var(--color-primary);
    cursor: pointer;
}

.faq h4{
    font-size: 1rem;
    line-height: 2.2;
}

.faq_icon{
    align-self: flex-start;
    font-family: 1.2rem;

}
.faq p{
    margin-top: 0.8rem;
    display: none;
}
.faq.open p{
    display: block;
}

/**********TESTIMONIALES*******/

.testimonials_Container{
    overflow-x: hidden;
    position: relative;
    margin-bottom: 5rem;
}
 .testimonials{
    padding-top: 2rem;
 }
.avatar{
    width: 6rem;
    height: 6rem;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 1rem;
    border: 1rem solid var(--color-bg1);
}
.avatar img{
   
    position: relative;
    background-size: cover;
    height: 100%;
    width: 100%;
}

.testimonial_info{
    text-align: center;
}

.testimonial_body{
    background: var(--color-primary);
    padding: 2rem;
    margin-top: 3rem;
    position: relative;
}
.testimonial_body:before{
    content: "";
    display: block;
    background: linear-gradient(135deg ,transparent,
    var(--color-primary), var(--color-primary) ,var(--color-primary ));
    position: absolute;
    width: 3rem;
    height: 3rem;
    left: 50%;
    top: -1rem;
    transform: rotate(45deg);
}

/*--------------footer----------------*/

footer{
    background: var(--color-bg1);
    padding-top: 5rem;
    font-size: 0.9rem;
}

.footer_container{
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 5rem;
}
.footer_container > div h4{
    margin-bottom: 1.2rem;
}
.footer_1 p{
    margin: 0 0 2rem;
}
footer ul li{
    margin-bottom: 0.7rem;
}
footer ul li a:hover{
    text-decoration: underline;
}

.footer_social{
    display: flex;
    gap: 1rem;
    font-size: 1.2rem;
    margin-top: 2rem;
}

/*------------------------------
    MEDIA QUERIES PARA TABLETS----*/

@media screen and (max-width: 1024px){
    .container{
        width: var(--container-widht-md);
    }
    h1{
        font-size: 2.2rem;
        
    }
    h2{
        font-size:1.7rem ;
       
    }
    h3{
        font-size: 1.4rem;
        
    }
    h4{
        font-size: 1.2rem;
    }


    /*-----NAVBAR-----*/

    nav button{
        display: inline-block;
        background: transparent;
        font-size: 1.8rem;
        color: var(--color-white);
        cursor: pointer;
    }
    nav button#close_menu_btn{
        display: none;
    }

    .nav_menu{
        position: fixed;
        top: 5rem;
        right: 5%;
        height: fit-content;
        width: 18rem;
        flex-direction: column;
        gap: 0;
        display: none;
    }
    .nav_menu li{
        width: 100%;
        height: 5.8rem;
        animation: animateNav 400ms linear forwards ;
        transform-origin: top right;
        opacity: 0;
    }
    
    .nav_menu li:nth-child(2){
        animation-delay:200ms ;
    }
    .nav_menu li:nth-child(3){
        animation-delay: 400ms;
    }
    .nav_menu li:nth-child(4){
        animation-delay:600ms ;
    }


    @keyframes animateNav{
        0%{
            transform: rotateZ(-90deg);
        }
        100%{
            transform: rotateZ(0);
            opacity: 1;
            
        }
    }

    .nav_menu li a{
        background: var(--color-primary);
        box-shadow: -4rem 6rem 10rem rgba(0,0,0,0.6);
        width: 100%;
        height: 100%;
        display: grid;
        place-items: center;
    }
    .nav_menu li a:hover{
        background: var(--color-bg2);
        color: var(--color-white);
    }

    /*---------HEADER----*/

    header{
        height: 60vh;
        margin-bottom: 4rem;
    }

    .header_container{
        gap: 0;
        padding-bottom: 3rem;
    }

    /*---------CATEGORIES--------*/

    .categorias{
        height: auto;
    }

    .categorias_container{
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .categorias_left{
        margin-right: 0;
    }


    /*--------cursos populares---------*/

    .courses{
        margin-top: 0;
    }

    .courses_container{
        grid-template-columns: 1fr 1fr;
    }

    /*------preguntas frecuentes-----*/

    .faqs_containers{
        grid-template-columns: 1fr;
    }
    .faq{
        padding: 1.5rem;
    }

    /*//////////FOOTER/////*/

    .footer_container{
        grid-template-columns: 1fr 1fr;
    }


}

/*-------media queries------------------------phones*/

@media screen and (max-width:600px){
   body{
   width: var(--container-widht-sm);   } 
     

   /*----navbar---*/

   .nav_menu{
        right: 3%;
   }
   
   /*-----header---------*/

   header{
      height: 100vh;
   }

   .header_container{
    grid-template-columns: 1fr;
    text-align: center;
    margin-top: 0;
   }
   .header_left p{
    margin-bottom: 1.3rem;
   }

   /*---categories--*/
   .categorias_right{
    grid-template-columns: 1fr 1fr ;
    gap: 0.7rem;
   }
   .category{
    padding: 1rem;
    border-radius: 1rem;
   }
   .category_icons{
    margin-top: 4px;
    display: inline-block;
   }

   /*----popular courses------*/

   .courses_container{
    grid-template-columns: 1fr;
   }

   /*-----testimoniales*/

   .testimonial_body{
    padding: 1.2rem;
    }
    /*-------------footer------------*/

    .footer_container{
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    .footer_1 p{
        margin: 1rem auto;
    }

    .footer_social{
        justify-content: center;
    }
    

}