:root {
    --space-unit: 1rem;
    --space-xxs: calc(0.25 * var(--space-unit));
    --space-xs: calc(0.5 * var(--space-unit));
    --space-sm: calc(0.75 * var(--space-unit));
    --space-md: calc(1.25 * var(--space-unit));
    --space-lg: calc(2 * var(--space-unit));
    --space-xl: calc(3.25 * var(--space-unit));
    --space-xxl: calc(5.25 * var(--space-unit));

    --primary-color: #00FFC5;
    --secondary-color: #ADF5FF;
    --tertiary-color: #0075A2;

    /* Light theme variables (default) */
    --bg-color: #ffffff;
    --text-color: #333333;
    --card-border: #e0e0e0;
    --technology-text: #666666;
    --footer-text: #666666;
    --shadow: rgba(0, 0, 0, 0.1);

    tab-size: 4;
    font-family: SFRounded, ui-rounded, "SF Pro Rounded", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    font-feature-settings: normal;
    font-variation-settings: normal;

    font-size: 1rem;
}

/* Dark theme variables */
[data-theme="dark"] {
    --bg-color: #121212;
    --text-color: #e0e0e0;
    --card-border: #333333;
    --technology-text: #b0b0b0;
    --footer-text: #b0b0b0;
    --shadow: rgba(0, 0, 0, 0.4);
}

/* Ocean theme variables */
[data-theme="ocean"] {
    --bg-color: #0a192f;
    --text-color: #e6f1ff;
    --card-border: #1e3a8a;
    --technology-text: #8892b0;
    --footer-text: #8892b0;
    --shadow: rgba(10, 25, 47, 0.4);
    --tertiary-color: #64ffda;
}

/* Apply variables to elements */
body {
    display: flex;
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

main {
    margin-left: auto;
    margin-right: auto;
    width: fit-content;
    padding: 4rem 0;
    max-width: 100%;
    box-sizing: border-box;
}

/*--------------Projects--------------*/

.projectContainers {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.projectContainer {
    display: grid;
    grid-template-columns: 7rem repeat(5, 1fr);
    grid-template-rows: repeat(3, auto);
    width: 40rem;
    row-gap: 1rem;
    column-gap: 2rem;
    max-width: 100%;
    border-color: var(--card-border);
}

.projectTitleContainer {
    position: relative;
    grid-row: span 1 / 2;
    grid-column: 2 / 6;
    align-content: end;
    font-weight: bold;
    color: var(--tertiary-color);
    text-decoration: none;
    display: flex;
    gap: .3rem;
    align-items: end;
}

.projectTitleContainer:visited {
    color: var(--tertiary-color);
}

.projectContainersTitle {
    width: 40rem;
    max-width: 100%;
    height: var(--space-xxl);
    align-content: end;
    font-weight: bold;
    top: 0;
    z-index: 1;
    color: var(--text-color);
}

.projectDuration {
    grid-column: 1 / 2;
    grid-row: 1/ 2;
    align-content: end;
    font-weight: 100;
    text-align: end;
}

.projectDescription {
    grid-column: 2 / 7;
    grid-row: 2 / 3;
    font-weight: 300;
    position: relative;
}

/*--------------Websites--------------*/

.websiteContainers {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.websiteContainer {
    display: grid;
    grid-template-columns: 7rem repeat(5, 1fr);
    grid-template-rows: repeat(3, auto);
    width: 40rem;
    max-width: 100%;
    row-gap: 1rem;
    column-gap: 2rem;
    border-color: var(--card-border);
}

.websiteTitleContainer {
    grid-row: span 1 / 2;
    grid-column: 2 / 6;
    align-content: end;
    font-weight: bold;
    color: var(--tertiary-color);
    text-decoration: none;
    display: flex;
    gap: .3rem;
    align-items: end;
}

.websiteTitleContainer:visited {
    color: var(--tertiary-color);
}

.websiteContainersTitle {
    width: 40rem;
    max-width: 100%;
    height: var(--space-xxl);
    align-content: end;
    font-weight: bold;
    top: 0;
    z-index: 1;
    color: var(--text-color);
}

.websiteDuration {
    grid-column: 1 / 2;
    grid-row: 1/ 2;
    align-content: end;
    text-align: end;
    font-weight: 100;
}

.websiteDescription {
    grid-column: 2 / 7;
    grid-row: 2 / 3;
    font-weight: 300;
}

/*--------------Util--------------*/

.technologies {
    display: flex;
    flex-direction: row;
    gap: var(--space-xxs);
    grid-column: 2 / 6;
    grid-row: 3 / 4;
    flex-wrap: wrap;
}

.technology {
    color: var(--technology-text);
    font-weight: 300;
}

.arrowLink {
    stroke: var(--tertiary-color);
    margin-bottom: 2px;
}

/*--------------About--------------*/

.aboutContainer {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 2rem;
    max-width: 100%;
}

.nameAndAvatarContainer {
    display: flex;
    flex-direction: row;
    gap: 2rem;
}

.nameContainer {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.avatar {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
}

.name {
    margin-bottom: 0;
}

.aboutTextContainer {
    display: flex;
    flex-direction: column;
}

.aboutTextHeader {
    font-weight: bold;
}

.aboutText {
    width: 40rem;
    max-width: 100%;
    font-weight: 300;
}

/*--------------Theme Stuff--------------*/

.theme-selector {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

#theme-button {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--card-border);
    background-color: var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 2px 5px var(--shadow);
    position: relative;
    transition: background-color 0.3s ease, border-color 0.3s ease;
    padding: 0;
}

.theme-icon {
    position: absolute;
    color: var(--text-color);
    transition: opacity 0.3s ease, transform 0.3s ease;
    opacity: 0;
    transform: scale(0.5);
}

body:not([data-theme]) .light-icon,
body[data-theme="light"] .light-icon {
    opacity: 1;
    transform: scale(1);
}

body[data-theme="dark"] .dark-icon {
    opacity: 1;
    transform: scale(1);
}

body[data-theme="ocean"] .ocean-icon {
    opacity: 1;
    transform: scale(1);
}

[data-theme="dark"] svg {
    color: var(--text-color);
}

[data-theme="dark"] .socialIcon {
    fill: var(--text-color);
}

[data-theme="ocean"] svg {
    color: var(--text-color);
}

[data-theme="ocean"] .socialIcon {
    fill: var(--text-color);
}

.footer {
    width: 100%;
    padding: var(--space-md) 0;
    border-top: 1px solid #eaeaea;
    margin-top: var(--space-xxl);
    color: var(--footer-text);
}

.footerContainer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 40rem;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 1rem;
    box-sizing: border-box;
}

.socialLinks {
    display: flex;
    gap: var(--space-lg);
}

.socialLink {
    font-weight: bold;
    color: var(--tertiary-color);
    text-decoration: none;
    display: flex;
    gap: var(--space-xs);
    align-items: center;
}

.socialLink:visited {
    color: var(--tertiary-color);
}

.socialIcon {
    color: var(--tertiary-color);
    fill: var(--tertiary-color);
}

.copyright {
    font-weight: 300;
    color: var(--tertiary-color);
}

@media screen and (max-width: 768px) {
    main {
        width: 100%;
        padding: 2rem 1.25rem;
    }

    .aboutContainer {
        font-size: 1rem;
        gap: 1.5rem;
    }

    .nameAndAvatarContainer {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }

    .nameContainer {
        text-align: center;
    }

    .avatar {
        width: 150px;
        height: 150px;
    }

    .name {
        margin: 0;
    }

    .aboutText {
        width: 100%;
    }

    .projectContainersTitle,
    .websiteContainersTitle {
        width: 100%;
        font-size: 1.5rem;
        height: auto;
        margin-bottom: 1rem;
    }

    .projectContainers,
    .websiteContainers {
        align-items: center;
        gap: 3rem;
        padding-top: 1.5rem;
        width: 100%;
    }

    .projectContainer,
    .websiteContainer {
        width: 100%;
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
    }

    .projectTitleContainer,
    .websiteTitleContainer {
        margin-bottom: 0.5rem;
    }

    .projectDuration,
    .websiteDuration {
        text-align: left;
        margin-bottom: 0.5rem;
        font-size: 0.9rem;
    }

    .projectDescription,
    .websiteDescription {
        margin-bottom: 1rem;
    }

    .technologies {
        margin-top: 0.5rem;
    }
}

@media screen and (max-width: 600px) {
    .footerContainer {
        flex-direction: column;
        gap: 1.5rem;
    }

    .socialLinks {
        gap: 1.5rem;
    }

    .socialIcon {
        width: 20px;
        height: 20px;
    }
}

@media screen and (max-width: 480px) {
    main {
        padding: 1.5rem 1rem;
    }

    .avatar {
        width: 120px;
        height: 120px;
    }

    .technology {
        font-size: 0.9rem;
    }
}

.portfolioLink {
    color: var(--tertiary-color);
    text-decoration: none;
    font-weight: 300;
    transition: opacity 0.2s ease;
}

.portfolioLink:hover {
    opacity: 0.8;
}

@media screen and (max-width: 600px) {
    .copyright {
        text-align: center;
    }
}

.visuallyHidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* ---------- Contact form ---------- */
.contactFormContainer {
    width: 100%;
    max-width: 40rem;
    margin: var(--space-xxl) auto 0;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--card-border);
}

.contactFormContainer h2 {
    margin: 0 0 var(--space-lg);
    font-weight: bold;
    color: var(--text-color);
}

.contactForm {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.contactForm input[type="text"],
.contactForm input[type="email"],
.contactForm textarea {
    padding: var(--space-xs);
    font-size: 1rem;
    border: 1px solid var(--card-border);
    border-radius: 4px;
    background: var(--bg-color);
    color: var(--text-color);
}

.contactForm textarea {
    min-height: 6rem;
    resize: vertical;
}

.contactForm button {
    align-self: start;
    padding: var(--space-xs) var(--space-md);
    font-weight: 600;
    border: none;
    border-radius: 4px;
    background: var(--tertiary-color);
    color: var(--bg-color);
    cursor: pointer;
    transition: opacity .2s ease;
}

.contactForm button:hover {
    opacity: .85;
}

.contactForm input:required:invalid:not(:placeholder-shown),
.contactForm textarea:required:invalid:not(:placeholder-shown) {
    border-color: #e03131;
}

.contactForm input:required:valid:not(:placeholder-shown),
.contactForm textarea:required:valid:not(:placeholder-shown) {
    border-color: #2f9e44;
}

.form-group .error {
    display: none;
    font-size: 0.875rem;
    color: #e03131;
}

.form-group input:required:invalid:not(:placeholder-shown) + .error,
.form-group textarea:required:invalid:not(:placeholder-shown) + .error {
    display: block;
}

.contactForm input:focus,
.contactForm textarea:focus {
    box-shadow: 0 0 0 2px inset var(--bg-color),
                0 0 0 3px var(--tertiary-color);
    border-color: var(--tertiary-color);
}