:root {
    --grayish-blue: #666CA3;
    --navy-blue: #13183F;
    --grey: #83869A;
    --hot-pink: #F74780;
    --soft-pink: #FFA7C3;
    --white: #FFFFFF;
    --warm-gradient: linear-gradient(#FF6F48, #F02AA6);
    --cool-gradient: linear-gradient(#F02AA6, #4851FF);
    --background-gradient: linear-gradient(var(--white), #edeef5);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: "Plus Jakarta Sans";
    background-image: var(--background-gradient);
    overflow-x: hidden;
}

nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 20px;
    margin-left: 8%;
    margin-right: 8%;
}

button {
    width: 160px;
    height: 55px;
    border-radius: 30px;
    border-width: 0;
    font-family: "Plus Jakarta Sans";
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
}

button:hover {
    cursor: pointer;
    opacity: 50%;
}

#top-button {
    background-color: var(--navy-blue); 
}

#welcome-box {
    margin-left: 8%;
    margin-top: 220px;
    width: 35%;
}

#stats-image {
    position: absolute;
    right: -400px;
    top: -150px;
}

#tablet-stats-image {
    display: none;
    position: absolute;
    right: -300px;
    top: 0px;
}

#mobile-stats-image {
    display: none;
}


#welcome-header {
    font-weight: 800;
    font-size: 3.1rem;
    color: var(--navy-blue);
    margin-bottom: 25px;
}

#welcome-statement {
    color: var(--grey);
    font-weight: 600;
    font-size: 1.15rem;
    line-height: 30px;
    margin-bottom: 35px;
}

#welcome-button {
    background-image: var(--warm-gradient);
}

#grid-section-container {
    margin-top: 220px;
    margin-left: 8%;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    row-gap: 50px;
}

.course-box {
    width: 350px;
    height: 322px;
    background-color: var(--white);
    border-radius: 20px;
    padding: 30px;
}

#first-course-box {
    background-image: var(--warm-gradient);
    color: var(--white);
    font-size: 1.8rem;
}

#first-course-box-description {
    margin-top: 20px;
    font-weight: 800;
}

.icon {
    position: absolute;
    margin-top: -55px;
}

.course-name {
    color: var(--navy-blue);
    font-size: 1.5rem;
    margin-top: 20px;
    margin-bottom: 20px;
}

.course-description {
    color: var(--grey);
    font-size: 1.1rem;
    line-height: 30px;
    margin-bottom: 30px;
}

#design-description {
    margin-bottom: 59px;
}

#photography-description {
    margin-bottom: 59px;
}

.start-course {
    color: var(--hot-pink);
    font-weight: 700;
}

.start-course:hover {
    cursor: pointer;
}

footer {
    background-color: var(--navy-blue);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100px;
    margin-top: 150px;
}

#bottom-logo {
    margin-left: 8%;
}

#bottom-button {
    background-image: var(--cool-gradient);
    margin-right: 8%;
}

@media screen and (max-width: 1160px) {
    nav {
        margin-left: 4%;
        margin-right: 4%;
    }

    #welcome-box {
        margin-left: 4%;
        width: 40%;
    }

    #welcome-header {
        font-size: 2.4rem;
    }

    #stats-image {
        display: none;
    }

    #tablet-stats-image {
        display: block;
    }

    #grid-section-container {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: 1fr 1fr 1fr;
        margin-left: 4%;
        margin-right: 4%;
    }

    #photography-description {
        margin-bottom: 30px;
    }

    #bottom-logo {
        margin-left: 4%;
    }

    #bottom-button {
        margin-left: 4%;
    }

    .course-box {
        width: 330px;
        height: 302px;
    }
}

@media screen and (max-width: 700px) {
    #welcome-box {
        width: 92%;
        margin-top: 50px;
    }
    
    #tablet-stats-image {
        display: none;
    }

    #mobile-stats-image {
        display: block;
    }

    #grid-section-container {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr 1fr 1fr 1fr 1fr 1fr;
        margin-top: 50px;
        align-items: center;
    }

    #first-course-box {
        height: 200px;
    }

    .course-box {
        width: 100%;
    }
}