@import url("https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100;0,300;0,400;0,500;1,300;1,400;1,500&display=swap");
:root {
    --pink: #ff046f;
    --violet: #c63bfa;
}

* {
    font-family: "Roboto", sans-serif;
    text-transform: capitalize;
    text-decoration: none;
    outline: none;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

*::selection {
    background: var(--pink);
    color: #fff;
}

html {
    font-size: 62.5%;
    overflow-x: hidden;
}

.heading {
    font-size: 4rem;
    color: var(--pink);
    text-align: center;
    padding: 0 1rem;
    padding-top: 6rem;
    letter-spacing: 0.2rem;
    font-weight: 500;
}

.title {
    padding: 0 1rem;
    font-size: 2rem;
    text-align: center;
    font-weight: 400;
    color: #aaa;
}

header {
    width: 96%;
    background: #fff;
    position: fixed;
    top: 2rem;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    z-index: 1000;
    transition: 0.2s;
}

.header-active {
    top: 0;
    width: 100%;
    border-radius: 0;
    box-shadow: 0 0.1rem 0.3rem rgba(0, 0, 0, 0.3);
}

header .navbar ul {
    display: flex;
    align-items: center;
    justify-content: space-between;
    list-style: none;
}

header .navbar ul li {
    margin: 0 1rem;
}

header .navbar ul li a {
    font-size: 2rem;
    color: var(--pink);
    transition: 0.2s;
}

header .navbar ul li .active,
header .navbar ul li a:hover {
    color: var(--violet);
}

header .logo {
    font-size: 2.5rem;
    color: var(--violet);
    text-transform: uppercase;
}

header .logo i {
    color: var(--pink);
    padding: 0 0.2rem;
}

header .fa-bars {
    font-size: 3rem;
    color: var(--pink);
    cursor: pointer;
    display: none;
    transition: 0.2s;
}

.home {
    min-height: 100vh;
    background: linear-gradient(rgba(198, 59, 250, 0.8), rgba(198, 59, 250, 0.8)), url(../images/bg.jpg) no-repeat;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    z-index: 0;
    overflow: hidden;
    position: relative;
}

.home .content {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-flow: column;
    padding-top: 14rem;
    padding-bottom: 8rem;
    text-align: center;
}

.home .content h1 {
    font-size: 5rem;
    color: #fff;
    padding: 0 1rem;
    text-shadow: 0 0.3rem 0.5rem rgba(0, 0, 0, 0.3);
    text-transform: uppercase;
}

.home .content p {
    font-size: 2rem;
    color: #eee;
    padding: 1rem 25rem;
}

.home .content button {
    height: 4rem;
    width: 20rem;
    border-radius: 5rem;
    background: var(--pink);
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
    transition: 0.2s;
    border: none;
    box-shadow: 0 0.3rem 1rem rgba(0, 0, 0, 0.3);
}

.home .content button:hover {
    letter-spacing: 0.2rem;
}

.home .box-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.home .box-container .box {
    height: 20rem;
    width: 25rem;
    background: #fff;
    text-align: center;
    border-radius: 1rem;
    box-shadow: 0 0.3rem 0.5rem rgba(0, 0, 0, 0.5);
    margin: 2rem;
    cursor: pointer;
}

.home .box-container .box i {
    height: 6rem;
    width: 6rem;
    line-height: 6rem;
    text-align: center;
    border-radius: 50%;
    color: #fff;
    background: var(--violet);
    font-size: 3rem;
    margin: 2rem 0;
    transition: 0.2s;
}

.home .box-container .box h3 {
    font-size: 2rem;
    color: var(--pink);
    transition: 0.2s;
}

.home .box-container .box p {
    font-size: 1.3rem;
    padding: 0.7rem 2rem;
    color: #666;
}

.home .box-container .box:hover i {
    background: var(--pink);
}

.home .box-container .box:hover h3 {
    color: var(--violet);
}

.home::before {
    content: "";
    position: absolute;
    bottom: -25rem;
    left: 50%;
    transform: translateX(-50%);
    border-top: 70vh solid #fff;
    width: 120%;
    border-radius: 50%;
    z-index: -1;
}

.about .row {
    display: flex;
    justify-content: center;
    align-items: center;
}

.about .row .image img {
    height: 70vh;
    width: 50vw;
}

.about .row .content {
    padding-left: 5rem;
}

.about .row .content h3 {
    font-size: 3rem;
    color: var(--pink);
}

.about .row .content p {
    font-size: 1.6rem;
    color: #999;
    padding: 1rem 0;
}

.about .row .content button {
    height: 3.5rem;
    width: 17rem;
    background: var(--violet);
    color: #fff;
    border: none;
    border-radius: 5rem;
    box-shadow: 0 0.3rem 1rem rgba(0, 0, 0, 0.3);
    cursor: pointer;
    font-size: 2rem;
    transition: 0.2s;
}

.about .row .content button:hover {
    letter-spacing: 0.2rem;
    opacity: 0.8;
}

.teacher {
    background: #f9f9f9;
}

.teacher .card-container {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    padding: 2rem 0;
}

.teacher .card-container .card {
    padding: 2rem;
    margin: 2rem;
    background: #fff;
    text-align: center;
    width: 28rem;
    box-shadow: 0 0.3rem 0.5rem rgba(0, 0, 0, 0.3);
}

.teacher .card-container .card img {
    height: 30rem;
    width: 100%;
    object-fit: cover;
    filter: grayscale();
    transition: 0.2s;
}

.teacher .card-container .card:hover img {
    filter: grayscale(0);
}

.teacher .card-container .card h3 {
    color: var(--pink);
    font-size: 2rem;
    padding: 0.5rem 0;
}

.teacher .card-container .card p {
    font-size: 1.7rem;
    color: #666;
}

.teacher .card-container .card .icons a {
    font-size: 1.9rem;
    padding: 1.5rem 0.5rem;
    color: var(--pink);
}

.teacher .card-container .card .icons a:hover {
    color: var(--violet);
}

.course .box-container {
    width: 85%;
    display: flex;
    justify-content: center;
    margin: 0 auto;
    padding-top: 4rem;
    flex-wrap: wrap;
}

.course .box-container .box {
    height: 18rem;
    width: 25rem;
    margin: 3.5rem 2rem;
    text-align: center;
    border-radius: 1rem;
    box-shadow: 0.3rem 0.3rem 0 0.1rem var(--violet), 0.5rem 0.5rem 0.5rem rgba(0, 0, 0, 0.3);
}

.course .box-container .box i {
    height: 10rem;
    width: 10rem;
    line-height: 8rem;
    text-align: center;
    color: #fff;
    border-radius: 50%;
    background: var(--pink);
    margin-top: -4rem;
    border: 1rem solid #fff;
    border-left: 1rem solid var(--pink);
    border-right: 1rem solid var(--pink);
    box-shadow: 0 0 0 1rem #fff inset;
    font-size: 3.5rem;
}

.course .box-container .box h3 {
    font-size: 2rem;
    color: var(--violet);
}

.course .box-container .box p {
    font-size: 1.5rem;
    color: #999;
    padding: 1rem 0;
}

.review {
    background: #f9f9f9;
}

.review .box-container {
    display: flex;
    justify-content: center;
    padding-top: 4rem;
    flex-wrap: wrap;
}

.review .box-container .box {
    width: 28rem;
    padding-bottom: 1rem;
    text-align: center;
    box-shadow: 0 0.3rem 0.5rem rgba(0, 0, 0, 0.3);
    background: #fff;
    margin: 4rem 2rem;
}

.review .box-container .box img {
    height: 8.5rem;
    width: 8.5rem;
    object-fit: cover;
    border-radius: 50%;
    margin-top: -4rem;
    border: 0.6rem solid var(--pink);
    border-left: 0.6rem solid var(--violet);
    border-bottom: 0.6rem solid var(--violet);
}

.review .box-container .box h3 {
    font-size: 2rem;
    color: var(--pink);
    padding: 0 0.5rem;
}

.review .box-container .box p {
    font-size: 1.4rem;
    color: #999;
    padding: 0 1.3rem;
}

.review .box-container .box .stars i {
    font-size: 1.6rem;
    color: var(--violet);
    padding: 1.3rem 0.1rem;
}

.contact {
    background: #333;
}

.contact .row {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 5rem 0;
}

.contact .row .image img {
    width: 50vw;
    height: 70vh;
}

.contact .row .form-container {
    width: 50%;
    padding-right: 6rem;
}

.contact .row .form-container input,
textarea {
    height: 4rem;
    width: 100%;
    background: #fff;
    border: none;
    border-radius: 5rem;
    padding: 0 1rem;
    margin: 1rem 0;
    color: var(--pink);
    font-size: 1.7rem;
    transition: 0.2s linear;
}

.contact .row .form-container input:focus,
textarea:focus {
    border: 0.2rem solid var(--pink);
}

.contact .row .form-container textarea {
    height: 20rem;
    border-radius: 1rem;
    padding: 1rem;
    resize: none;
}

.contact .row .form-container input[type="submit"] {
    width: 17rem;
    background: var(--pink);
    color: #fff;
    cursor: pointer;
    font-size: 2rem;
    transition: 0.2s;
}

.contact .row .form-container input[type="submit"]:hover {
    background: none;
    color: var(--pink);
    border: 0.2rem solid var(--pink);
}

.footer {
    text-align: center;
}

.footer .icons {
    padding: 3rem 0;
}

.footer .icons a {
    height: 4.5rem;
    width: 4.5rem;
    line-height: 4.2rem;
    text-align: center;
    border-radius: 50%;
    color: var(--violet);
    border: 0.2rem solid var(--violet);
    font-size: 2rem;
    margin: 0 0.1rem;
    transition: 0.2s linear;
}

.footer .icons a:hover {
    color: #fff;
    background: var(--pink);
    border-color: var(--pink);
}

.footer .credit {
    font-size: 2rem;
    border-top: 0.1rem solid #999;
    margin: 0 auto;
    margin-bottom: 2rem;
    color: #666;
    width: 90%;
    padding: 1rem 0;
}

.footer .credit span {
    color: var(--pink);
}

header .fa-times {
    transform: rotate(180deg);
    color: var(--violet);
}


/* media queries  */

@media (max-width: 768px) {
    html {
        font-size: 55%;
    }
    header .fa-bars {
        display: block;
    }
    header .navbar {
        position: fixed;
        top: -100rem;
        left: 0;
        width: 100%;
        background: #fff;
        border-radius: 1rem;
        opacity: 0;
        transition: 0.2s linear;
    }
    header .navbar ul {
        flex-flow: column;
        padding: 2rem 0;
    }
    header .navbar ul li {
        margin: 1rem 0;
        width: 100%;
        text-align: center;
    }
    header .navbar ul li a {
        font-size: 3rem;
        display: block;
    }
    header .nav-toggle {
        top: 5.5rem;
        opacity: 1;
    }
    .home .content p {
        padding: 1.5rem 2rem;
    }
    .home::before {
        display: none;
    }
    .about .row {
        flex-flow: column-reverse;
    }
    .about .row .image img {
        height: 60vh;
        width: 90vw;
    }
    .about .row .content {
        padding: 0 2.5rem;
    }
    .course .box-container {
        width: 100%;
    }
    .contact .row {
        flex-flow: column;
    }
    .contact .row .image img {
        height: 50vh;
        width: 90vw;
    }
    .contact .row .form-container {
        width: 90%;
        padding: 0;
    }
}