@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@100;200;300;400;500;600&display=swap');

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

:root{
    --color-primary: #6c63ff;
    --color-success: #00bf8e;
    --color-warning: #f7c94b;
    --color-danger: #f75842;
    --color-danger-variant: rgba(247 , 88, 66, 0.4);
    --color-white: #fff;
    --color-light: rgba(255, 255, 255, 0.7);
    --color-black: #000;
    --color-bg: #1f2641;
    --color-bg1: #2e3267;
    --color-bg2: #424890;

    --container-width-lg: 76%;
    --container-width-md: 90%;
    --container-width-sm: 94%;

    --o-transition: all 400ms ease;

   
}

body{
    font-family: 'Montserrat', sans-serif;
    line-height: 1.7;
    color: var(--color-white);
    background: var(--color-bg);
}
html::-webkit-scrollbar{
    width: 0.8rem;
}

html::-webkit-scrollbar-track {
    background: var(--color-bg2);
}
html::-webkit-scrollbar-thumb{
    background: var(--color-primary);
}

.container{
    width: var(--container-width-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=============*/
nav{
    background: transparent;
    width: 100vw;
    height: 5rem;
    position: fixed;
    top: 0;
    z-index: 11;
}

/* //change navbar styles on scroll using java */
.window-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{
    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;
}


.social-icon a{
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 2rem;height: 2rem;
    background: transparent;
    border: 0.1rem solid var(--color-primary);
    font-size: 1rem;
    border-radius: 50%;
    color: var(--color-primary);
    margin: 1.5rem 0.7rem 1.5rem 0;
    transition: 0.3s ease;
}

.social-icon a:hover{
    color: black;
    transform: scale(1.3) translateY(-5px);
    background: var(--color-primary);
    box-shadow: 0 0 25px var(--color-primary);
}

/*=============categories========*/

.categories{
    background: var(--color-bg1);
    height: 32rem;
}


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

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

.categories__left{
    margin-right: 4rem;
}


.categories__left p{
    margin: 1rem o 3rem;
}

.categories__left .btn{
    margin-top: 2rem;
}
.categories__right{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.2rem;
}

.category{
    background: var(--color-bg2);
    padding: 2rem;
    border-radius: 2rem;
    transition: var(--transition);
}
.category:hover{
    box-shadow: 0 3rem 3rem rbga(0,0,0,0.3);

}

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

}
.category:nth-child(3) .category__icon{
    background-color: var(--color-success);

}
.category:nth-child(4) .category__icon{
    background-color: var(--color-danger);

}
.category:nth-child(5) .category__icon{
    background-color: var(--color-success);

}
.category:nth-child(6) .category__icon{
    background-color: var(--color-danger);

}

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

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

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


/* ===================polular web================ */

.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);
}

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

/* ===============faqs=================== */

.faqs{
    background: var(--color-bg1);
    box-shadow: inset 0 0 3rem rgba(0,0,0,0.5);
}
.faqs__container{
    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-size: 1.2rem;
}

.faq p{
    margin-top: 0.8rem;

    display: none;

}
.faq.open p {
    display: block;
}

/* =========test==========

*/


.testimonials__container{
    overflow-x: hidden;
    position: relative;
    margin-bottom: 5rem;
}

.testimonial{
    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{
  margin-top: 1rem;
  
}
.testimonial__info{
    text-align: center;

}

.testimonial__body{
    background: var(--color-primary);
    padding: 2rem;
    margin-top: 3rem;
    position: relative;
    text-align: center;
}

.testimonial__body::before{
    content: "";
    display: block;
    background: linear-gradient(135deg,transparent, var(--color-primary),var(--color-primary), var(--color-primary) );
    width: 3rem;
    height: 3rem;
    position: absolute;
    left: 50%;
    top: -1.5rem;
    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__socials{
    display: flex;
    gap: 1rem;
    font-size: 1.2rem;
    margin-top: 2rem;

}

.footer__copyright{
    text-align: center;
    margin-top: 4rem;
    padding: 1.2rem 0;
    border-top:  1px solid var(--color-bg2);
}

/* /*=================Media Queries============tablets */

@media screen and (max-width: 1024px){
   .container {
    width: var(--container-width-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: animateNavItems 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 animateNavItems {
    0%{
       transform: rotateZ(-90deg) rotateX(90deg) scale(0.1);
    }
    100%{
        transform: rotateZ(0) rotateX(0) scale(1);
        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: 52vh;
    margin: 4rem;
}
.header__container{
    gap:0;
    padding-bottom: 3rem;
}

/*====================categories========*/
.categories{
    height: auto;
}
.categories__container{
    grid-template-columns: 1fr;
    gap: 3rem;
}
.categories__left{
    margin-right: 0;
}

/*===================popular courser*/

.courses{
    margin-top: 0;
}

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


/*===============faqs===============*/

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

.faq{
    padding: 1.5rem;
}


/*==============footer=================*/
.footer__container{
    grid-template-columns: 1fr 1fr;

}


}


/*======================mediaquires=============*/

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

    /*===============NAVBAR=================*/
    .nav__menu{
        right: 3%;

    }

    /*==============header============*/
    header{
        height: 120vh;
    }
    .header__container{
        grid-template-columns: 1fr;
        text-align: center;
        margin-top: 0;
    }
    .header__left p {
     margin-bottom: 1.3rem;
    }

    

     /*==============Categories============*/

     .categories__right{
        grid-template-columns: 1fr 1fr;
        gap: 0.7rem;
     }

     .category{
        padding: 1rem;
        border-radius: 1rem;
     }
     .category__icon{
        margin-top: 4px;
        display: inline-block;
    }
        /*=============POPULAR COURSES==============*/
    .courses__container {
        grid-template-columns: 1fr;
    } 


      /*=============teste==============*/
   .testimonial__body{
    padding: 1.2rem;
   }


         /*=============footer==============*/
         .footer__container{
            grid-template-columns: 1fr;
            text-align: center;
            gap: 2rem;
         }

         .footer__1 p{
            margin: 1rem auto;
         }

         .footer__socials{
            justify-content: centers;
         }

}