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

: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);

}

.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: 2.4;
}
h2 {
    font-size: 1.6rem;

}

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;

}

.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;
    background-color: var(--color-bg1);
}

.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;
    background-color: var(--color-bg1);
}

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

.header__left p {
    margin: 1rem 0 2.4rem;
}
/* change navbar styles on scroll using javascript */

.window-scroll {
      background: var(--color-primary);
      box-shadow: 0 1rem 2rem rgba(0, 0, 0, 0.2);
}
/*=============================Popular Courses====================*/
.courses {
    margin-top: 2rem;
 
}
.course:hover{
    background: transparent;
    border-color: var(--color-primary);
}

.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__info {
    padding: 2rem;
}

.course__info p {
    margin: 1.2rem 0 2rem;
    font-size: 0.9rem;
    text-align: center;

}

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

}

/*=========================== Fotter ===================================*/
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 {
    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;
     grid: 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);
    cursor: pointer;

}

/* ==================================MEDIA QUERIES (TEBLESTS) =========================================*/
@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;

        }
    
        
/* ======================= 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: 2s;
}
.nav__menu li:nth-child(3) {
    animation-delay: 3s;
}
.nav__menu li:nth-child(4) {
    animation-delay: 4s;
}
.nav__menu li:nth-child(5) {
    animation-delay: 5s;
}
.nav__menu li:nth-child(6) {
    animation-delay: 6s;
}


@keyframes animateNavItems {
    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-bg-2);
    color: var(--color-white);

}


/* ===================Popular Courses=======================*/
.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;
}

}

/* ================================== Media Queries (phones) ==============================*/

@media screen and (max-width: 600px) {

.container {
    width: var(--container-width-sm);

}
/* ==================================  navbar ==============================*/



.nav__menu {
    right: 3%;

}
.contact__socials {
    align-items: center;
    margin: 0 4rem 3rem;
   
}

/* ================================== header ==============================*/

header {
    height: 100vh;

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

}
.header__left p {
   margin-bottom: 1.3rem;

}
/* ================================== popular coures ==============================*/
.courses__Container {
    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;   
}
.logo {
    display: none;
}
}
.logo {
    width: 120px;
   align-items:  center;
   padding-top: 15px;
   height: 100px;



}


.course__image video {
    width: 400px;
}

@media screen and (max-width: 600px) {
    .course__image video {
        width: 290px;
    }
}

@media screen and (max-width: 1024px) {
    .course__image video {
        width: 350px;
    }
}