@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800;900&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: 80%;
    --container-width-md: 90%;
    --container-width-sm: 94%;

    --transition: all 400ms ease;
}

body{
    font-family: "Montserrat", sans-serif;
    line-height: 1.7;
    color: var(--color-white);
    background: var(--color-bg);
    width: 100%;
}

.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: 100%;
    height: 4rem;
    position: fixed;
    top: 0;
    z-index: 11;
}

/* Change NAVBAR Styles on scroll using js */
.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 img{
    display: none;
}

nav .a img{
    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);
}

nav .profil .photo{
    display: none;
}

.nav__bas{
    background: var(--color-primary);
    box-shadow: 0 1rem 2rem rgba(0, 0, 0, 0.2);
    position: fixed;
    bottom: 0;
    display: flex;
    height: 55px;
    width: 100%;
    justify-content: space-around;
}

.bloc-icon{
    display: flex;
    justify-content: center;
    align-items: center;
}

.icon__active{
    background-color: #f1f1f1;
    padding: 5px;
}

.icon__actif{
    background-color: #f1f1f1;
    padding: 5px;
}

.bloc-icon .icon img{
    width: 30px;
}

/* ================================================== 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;
}

/* ================================================== CATEGORIES =============================================== */
.categories{
    background: var(--color-bg1);
    /* height: 35rem; */
    height: 395rem;
}

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

.categories__container{
    display: grid;
    grid-template-columns: 40% 60%;
}

.categories__left{
    margin-right: 4rem;
}

.categories__left p{
    margin: 1rem 0 3rem;
}

.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 rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.category:nth-child(2) .category__icon{
    background: var(--color-success);
}
.category:nth-child(3) .category__icon{
    background: var(--color-warning);
}
.category:nth-child(4) .category__icon{
    background: var(--color-success);
}
.category:nth-child(5) .category__icon{
    background: var(--color-danger);
}

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

.category h5{
    margin: 2rem 0 1rem;
    color: var(--color-danger);
}

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

.category .note{
    display: flex;
    padding: 0;
    margin: 10px 0 0 0;
}

.note h5{
    margin: 0 0 0 5px;
    color: var(--color-danger);
}

.note .bar{
    height: 15px;
    width: calc(100% - 35px);
    border: 2px solid black;
}


/* ======================================== POPULAR COURSES ================================================ */
.courses{
    margin-top: 10rem;
}

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

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

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

.course__info{
    padding: 2rem;
}

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

/* ======================================== FAQs ================================================ */
.faqs{
    background-color: 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;
}

.faq .categories__modules{
    display: none;
}

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

/* ============================================== Testimonials ============================================ */
.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);
}

.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));
    width: 3rem;
    height: 3rem;
    position: absolute;
    left: calc(50% - 1.5rem);
    top: -1.5rem;
    transform: rotate(45deg);
}




.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) {
    body{
        width: 100%;
    }
    .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;
    }

    
    /* ============================== NAV BAR ====================================*/

    nav button{
        display: inline-block;
        background: transparent;
        font-size: 1.8rem;
        color: var(--color-white);
        cursor: pointer;
        border-radius: 5px;
        background: white;
        height: 37px;
        width: 27px;
        color: white;
        padding: 0px 5px;
    }

    nav .img{
        display: block;
    }

    nav button img{
        display: block;
    }

    nav .a{
        display: flex;
    }

    nav a h4{
        display: flex;
        justify-content: center;
        align-items: center;
        margin-left: 5px;
    }

    nav .img{
        display: inline-block;
        font-size: 1.8rem;
        color: var(--color-white);
        cursor: pointer;
        border-radius: 5px;
        /* background-image: url("../ressources/svgs/solid/house-chimney.svg"); */
        background-size: inherit;
        height: 24px;
        width: 27px;
        color: white;
        padding: 0 10px;
        background-color: white;
    }

    nav .profil .photo{
        display: block;
        border-color: #f75842;
        border: 5px;
        height: 50px;
        width: 50px;
        background: white;
        justify-content: baseline;
        margin-left: -20px;
        border-radius: 50%;
    }

    .nav__bas{
        background: var(--color-primary);
        box-shadow: 0 1rem 2rem rgba(0, 0, 0, 0.2);
        position: fixed;
        bottom: 0;
        display: flex;
        height: 55px;
        width: 100%;
        justify-content: space-around;
    }

    .bloc-icon{
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .icon__active{
        background-color: #f1f1f1;
        padding: 5px;
    }

    .icon__actif{
        background-color: #f1f1f1;
        padding: 5px;
    }

    .bloc-icon .icon img{
        width: 30px;
    }

    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;
    }

    @keyframes animateNavItems {
        0%{
            transform: rotateZ(90deg) rotateX(90deg) scale(0.1);
        }
        100%{
            transform: rotateZ(0) rotateX(0) scale(1);
            opacity: 1;
        }
    }

    .nav__menu li{
        width: 100%;
        height: 5.8rem;
        animation: animateNavItems 400ms linear forwards;
        transform-origin: top right;
        opacity: 0;
    }

    .nav__menu li:nth-last-child(2){
        animation-delay: 200ms;
    }

    .nav__menu li:nth-last-child(3){
        animation-delay: 400ms;
    }

    .nav__menu li:nth-last-child(4){
        animation-delay: 600ms;
    }

    .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{
        height: 65vh;
        margin-bottom: 6rem;
    }

    .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 COURSES ==============================*/
    .courses{
        margin-top: 0;
    }

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

    .course__info{
        padding: 1rem;
    }
    
    .course__info p{
        margin: 0.7rem 0 1.5rem;
        font-size: 0.9rem;
    }


    /* ============================== FAQs ==============================*/
    .faqs__container{
        grid-template-columns: 1fr;
    }

    .faq{
        padding: 1.5rem;
    }


    /* ============================== FOOTER ==============================*/
    .footer_container{
        grid-template-columns: 1fr 1fr;
    }
}



/* ============================================= MEDIA QUERIES (TABLETS) =================================== */
@media screen and (max-width: 600px) {
    .container{
        width: var(--container-width-sm);
    }


    /* ============================== NAV BAR ====================================*/
    .nav__menu{
        right: 3%;
    }

    nav button img{
        display: block;
    }

    nav .a{
        display: flex;
    }

    nav a h4{
        display: flex;
        justify-content: center;
        align-items: center;
        margin-left: 5px;
    }

    nav .img{
        display: inline-block;
        /* background: transparent; */
        font-size: 1.8rem;
        color: var(--color-white);
        cursor: pointer;
        border-radius: 5px;
        /* background-image: url("../ressources/svgs/solid/house-chimney.svg"); */
        background-size: inherit;
        height: 24px;
        width: 27px;
        color: white;
        padding: 0 10px;
        background-color: white;
    }

    nav .profil .photo{
        display: block;
        border-color: #f75842;
        border: 5px;
        height: 50px;
        width: 50px;
        background: white;
        justify-content: baseline;
        margin-left: -20px;
        border-radius: 50%;
    }

    .nav__bas{
        background: var(--color-primary);
        box-shadow: 0 1rem 2rem rgba(0, 0, 0, 0.2);
        position: fixed;
        bottom: 0;
        display: flex;
        height: 55px;
        width: 100%;
        justify-content: space-around;
    }

    .bloc-icon{
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .icon__active{
        background-color: #f1f1f1;
        padding: 5px;
    }

    .icon__actif{
        background-color: #f1f1f1;
        padding: 5px;
    }

    .bloc-icon .icon img{
        width: 30px;
    }


    /* ============================== HEADER ====================================*/
    header{
        height: fit-content;
    }

    .header__container{
        grid-template-columns: 1fr;
        text-align: center;
        margin-top: 0;
    }

    .header__left{
        margin-bottom: 1.3rem;
    }


    /* ============================== CAREGORIES ====================================*/
    .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;
    }


    /* ============================== TESTIMONIALS ====================================*/
    .testimonial__body{
        grid-template-columns: 1fr;
    }


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

    .footer_1 p{
        margin: 1rem auto;
    }

    .footer_socials{
        justify-content: center;
    }
}