.grid{
    display: grid;
}

.grid.two-columns {
    grid-template-columns: minmax(1rem,1fr) minmax(1rem,1fr);
    grid-gap: 2rem;
}

.grid.three-columns {
    grid-template-columns: minmax(1rem,1fr) minmax(1rem,1fr) minmax(1rem,1fr);
    grid-gap: 1rem;
}

.hero-heading-lines {
    flex-direction: column;
    display: flex;
}

.hero-heading-line {
    justify-content: space-between;
    align-items: flex-end;
    display: flex;
    position: relative;
    overflow: hidden;
}

.nav-flex{
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Tutorial of using media query: https://css-tricks.com/a-complete-guide-to-css-media-queries/ */

/* Mobile Phones: less than 600px / 16px ~= 37.5rem */
@media only screen and (max-width: 37.5rem) {
    .home-container {
        width: 100%;
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .project-website{
        width: 100%;
    }

    .hero-heading-lines p{
        margin: 15rem 0 0 0;
        font-size: 1rem;
    }

    h1{
        font-size: 1.5rem;
    }

    h2{
        font-size: 1rem;
    }

    .works-selections h3 {
        font-size: 1rem;
    }

    footer h3{
        font-size: 1rem;
    }

    .work-one-heading h1{
        margin-top: 0;
        margin-bottom: 2em;
    }

    .works-heading h2{
        margin-top: 3rem;
        margin-bottom: 1rem;

        font-size: 1.25rem;
    }

    h3{
        font-size: 0.75rem;
        margin-bottom: 3em;
    }

    p{
        margin-bottom: 1rem;
        font-size: 1rem;
    }

    .preview-details p{
        color: white;
        width: 100%;
    }

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

    .work-section {
        top: 40vh;
    }

    /* footer */
    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .footer-section {
        margin-bottom: 2rem;
    }

    /* works.html */
    .work-grid-container{
        flex-wrap: wrap;
        gap: 0;
    }

    .content-container{
        flex-wrap: wrap;
        gap: 0;
        margin-bottom: 10em;
    }

    /* about */
    .about-container{
        margin-top: 5rem;
        flex-wrap: wrap;
        gap: 0;
    }

    .star{
        display: none;
    }

    .hero-heading-line h1 .star {
        display: none;
    }

    .bio-container{
        margin-left: 1rem;
        margin-right: 1rem;
    }

    .bio-container h1{
        margin-top: 1rem;
    }

    .image-container img{
        margin-bottom: 3rem;
    }

    .project-thought{
        width: 100%;
        margin-top: 7em;
        margin-bottom: 9em;
    }

    .project-website a{
        display: block;
        text-align: center;
    }

    .work-selection-container{
        display: block;
        text-align: center;
        padding-left: 0;
    }

    .work-selection-container a{
        margin-bottom: 1rem;
        width: 100%;
    }

    .selected-work-one{
        margin-bottom: 5rem;
    }

    .about-page-button a{
        margin-bottom: 0.25rem;
    }

    .work-showcase iframe {
        height: 50rem; 
    }
    figcation{
        margin-top: 2em;
    }
    .heading{
        padding-bottom: 1rem;
    }
    .header-container{
        margin-top: 1rem;
    }
    .nav-flex{
        display: block;
        text-align: center;
        padding-left: 0;
    }
    .navs{
        padding: 1rem 7.5rem;
    }
    .button-flex {
        display: block;
    }
    nav ul li {
        margin-top: 0.15rem;
        width: 100%;
    }

    .project-detail{
        display: block;
        text-align: center;
    }

    .project-detail h3{
        margin-top: 3rem;
        margin-bottom: 1rem;
        font-size: 1.25rem;
    }

    .nav-flex img {
        display: none;
    }

    .project-detail h2{
        margin-top: 2.5rem;
    }

}

@media only screen and (max-height: 56.25rem){
    .work-section {
        position: relative;
        top: 70vh;
        z-index: 2; 
    }
}

/* Tablets: between (600px)37.5rem and (900px)56.25rem */
@media only screen and (min-width: 37.5rem) and (max-width: 56.25rem) {
    h1{
        font-size: 3rem;
    }

    h2{
        font-size: 1.25rem;
    }

    p{
        margin-bottom: 1rem;
        font-size: 1rem;
    }

    .preview-details p{
        color: white;
        width: 100%;
    }

    h3{
        font-size: 1rem;
        margin-bottom: 3em;
    }

    .works-selections h3 {
        font-size: 1.25rem;
    }

    .hero-heading-lines p{
        margin: 15rem 0 0 0;
        font-size: 1rem;
    }

    /* footer */
    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .footer-section {
        margin-bottom: 2rem;
    }

    /* works.html */
    .work-grid-container{
        gap: 10rem;
    }

    .content-container{
        gap: 10rem;
        margin-bottom: 15rem;
    }

    .content-container p{
        margin-top: 0;
    }

    /* about */
    .about-container{
        margin-top: 10rem;
        flex-wrap: wrap;
        gap: 0;
    }

    .bio-container h1{
        margin-top: 1rem;
    }

    .star{
        display: none;
    }

    .works-heading h2{
        margin-top: 3rem;
        margin-bottom: 1rem;

        font-size: 2rem;
    }

    .project-thought{
        width: 75%;
        margin-top: 9em;
        margin-bottom: 11em;
    }
}

/* Small Laptops/Large Tablets: between (900px)56.25rem and (1200px)75rem */
@media only screen and (min-width: 56.25rem) and (max-width: 75rem) {
    h1{
        font-size: 3.5rem;
    }

    h2{
        font-size: 1.25rem;
    }

    p{
        margin-bottom: 1rem;
        font-size: 1rem;
    }


    .hero-heading-lines p{
        margin: 15rem 0 0 0;
        font-size: 1.5rem;
    }

    /* works.html */
    .work-grid-container{
        gap: 20rem;
    }

    .content-container{
        gap: 20rem;
        margin-bottom: 15rem;
    }

    .content-container p{
        margin-top: 0;
    }

    /* about */
    .about-container{
        gap: 5rem;
    }

    .works-heading h2{
        margin-top: 3rem;
        margin-bottom: 1rem;

        font-size: 2rem;
    }

    .project-thought{
        width: 65%;
        margin-top: 10em;
        margin-bottom: 12em;
    }

    .work-showcase iframe {
        height: 60rem; 
    }
    
}

/* desktop/Large laptop: between (1200px)75rem and (1920px)120rem */
@media only screen and (min-width: 75rem) and (max-width: 120rem){ 
    .home-container {
        padding-left: 8rem;
        padding-right: 8rem;
    }

    h1{
        font-size: 4rem;
    }

    .bio-container h1{
        font-size: 5rem;
        width: 100%;
    }

    .hero-heading-lines p{
        margin: 15rem 0 0 0;
        font-size: 1.5rem;
    }
    
    p{
        margin-bottom: 1rem;
        font-size: 1rem;
    }

    .work-showcase iframe {
        height: 50rem; 
    }

    .content-container p{
        margin-top: 0;
    }
}