/* ==========================================================================
   Variables & Theme
   ========================================================================== */
:root {
    /* Colors */
    --color-neutral-light: #F3F5F6;
    --color-neutral-dark: #103644;
    --color-neutral-extra-dark: #1A2023;
    --color-highlight: #eb2bbe;
    --color-orange: #fb8066;
    --color-blue: #70D6FF;
    --color-green: #32CD32;
    --color-purple: #DF73FF;
    --color-yellow: #E9FF70;
    --color-pink: #FFC6FF;

    /* Text Colors */
    --text-color__light: var(--color-neutral-light);
    --text-color__dark: var(--color-neutral-extra-dark);
    --body-text-color: var(--text-color__light);

    /* Background Colors */
    --body-background-color: #031a25;
    --footer-background-color: var(--color-neutral-dark);
    --card-background-color: var(--color-neutral-dark);
    --skill-background-color: var(--color-neutral-light);
    --section-link-background-color: var(--color-neutral-dark);

    /* Other Colors */
    --border-color: var(--color-highlight);
    --sparkle-color: lightyellow;
    --logo-color: var(--color-pink);
    --shadow-color__light: var(--color-purple);
    --shadow-color__dark: var(--color-neutral-dark);

    /* About Page Variables */
    --wave-size: 15px;
    --image-width: 200px;
    --wavy-border-color: var(--color-pink);

    /* Viewport height will be set by JavaScript */
    --vh: 1vh;
}

/* Light Theme Overrides */
@media (prefers-color-scheme: light) {
    :root {
        --body-background-color: #a2cedf;
        --body-text-color: var(--color-neutral-dark);
        --logo-color: var(--color-highlight);
        --shadow-color__light: #a2cedf;
        --shadow-color__dark: var(--color-neutral-dark);
        --card-background-color: var(--color-neutral-light);
        --section-link-background-color: var(--color-neutral-light);
        --wavy-border-color: var(--color-neutral-dark);
    }
}

/* ==========================================================================
   Base Styles
   ========================================================================== */
* {
    font-family: Sen, Arial, sans-serif;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    margin: 0;
    background-color: var(--body-background-color);
    color: var(--body-text-color);
}

ul {
    margin: 0;
}

li {
    list-style: none;
}

a {
    text-decoration: none;
    color: var(--body-text-color);
}

a:hover {
    color: var(--color-highlight);
}

/* ==========================================================================
   Layout
   ========================================================================== */
main {
    font-size: 1.125rem;
    height: 100%;
}

.fullscreen {
    min-height: calc(var(--vh, 1vh) * 100);
    padding: 80px 36px 36px;
    display: flex;
    align-items: center;
    flex-flow: column wrap;
    justify-content: center;
    gap: 16px;
}

.fullscreen:last-child {
    padding-bottom: 80px;
}

.fullscreen:not(:last-child)>*:first-child {
    flex-grow: 1;
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.nav {
    position: fixed;
    top: 0;
    overflow: hidden;
    transition: background-color 0.8s ease-in-out, box-shadow 0.8s ease-in-out;
    padding: 10px 30px;
    font-weight: bold;
    display: flex;
    flex-direction: row;
    justify-content: flex-end;
    align-items: center;
    height: 80px;
    width: 100%;
    z-index: 10;
}

.nav-link {
    display: block;
    text-align: center;
    font-size: 1.125rem;
    opacity: 0;
    animation: fade-in 0.5s ease-out forwards;
}

.nav-link:nth-child(2) {
    animation-delay: 0.25s;
}

.nav-link:nth-child(3) {
    animation-delay: 0.5s;
}

.nav-link:nth-child(4) {
    animation-delay: 0.75s;
}

.nav-link:nth-child(5) {
    animation-delay: 1s;
}

.nav-link:not(:last-child) {
    margin-right: 14px;
}

.nav-logo {
    margin-right: auto;
    border: none;
    background: none;
    width: 64px;
    height: 64px;
    color: var(--logo-color);
    fill: currentcolor;
    transition: transform 200ms ease-out;
    transform: rotate(-2deg);
    filter: drop-shadow(1px 1px 0 var(--shadow-color__dark)) drop-shadow(2px 2px 0 var(--shadow-color__light));
}

.nav-logo:hover {
    color: var(--logo-color);
    transform: rotate(-4deg) scale(1.1);
}

/* ==========================================================================
   Landing Page
   ========================================================================== */
.landing-wrapper {
    display: flex;
    flex-flow: row wrap;
    place-content: center center;
    align-items: center;
}

.landing {
    color: var(--logo-color);
}

.logo {
    transition: transform 200ms ease-out;
    height: auto;
    width: 75vw;
    filter: drop-shadow(1px 1px 0 var(--shadow-color__dark)) drop-shadow(2px 2px 0 var(--shadow-color__light));
}

.logo:hover {
    color: var(--logo-color);
    transform: rotate(-2deg);
    filter: drop-shadow(1px 1px 0 var(--shadow-color__dark)) drop-shadow(3px 3px 0 var(--shadow-color__light));
}

.logo:active {
    transform: translate(2px, 2px) rotate(-4deg) scale(.95);
    filter: drop-shadow(1px 1px 0 var(--shadow-color__light));
}

/* ==========================================================================
   About Page
   ========================================================================== */
.about-container,
.skills-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    grid-template-rows: 1fr min-content;
    gap: 30px;
    align-items: center;
}

.about-text,
.skills-text {
    max-width: 430px;
}

.about-buttons {
    grid-column: 1 / 3;
    display: flex;
    justify-content: center;
    gap: 2px;
}

.about-image {
    transition: transform 200ms ease-out;
    transform: rotate(4deg);
    width: round(var(--image-width), var(--wave-size)*2);
    aspect-ratio: 1;
    padding: var(--wave-size);
    border-radius: calc(1.5*var(--wave-size));

    --R: calc(var(--wave-size)/sqrt(2)) at;
    --g: radial-gradient(var(--R) 50%, var(--wavy-border-color) calc(100% - 1px), #0000) 0 0/calc(2*var(--wave-size)) calc(2*var(--wave-size));
    --_c: #0000 100%, var(--wavy-border-color) calc(100% + 1px);
    --_b: calc(2*var(--wave-size)) calc(51% - var(--wave-size)/2) repeat-x;

    background: var(--g),
        radial-gradient(var(--R) 50% calc(100% + var(--wave-size)/2), var(--_c)) var(--wave-size) calc(100% - var(--wave-size)/2)/var(--_b),
        radial-gradient(var(--R) 50% calc(var(--wave-size)/-2), var(--_c)) var(--wave-size) calc(var(--wave-size)/2)/var(--_b);

    --_m: var(--wave-size)/calc(51% - var(--wave-size)/2) calc(2*var(--wave-size)) repeat-y;

    mask: var(--g),
        radial-gradient(var(--R) calc(100% + var(--wave-size)/2) 50%, var(--_c)) calc(100% - var(--wave-size)/2) var(--_m),
        radial-gradient(var(--R) calc(var(--wave-size)/-2) 50%, var(--_c)) calc(var(--wave-size)/2) var(--_m);
}

.about-image:hover {
    transform: rotate(-2deg);
}

/* ==========================================================================
   Skills
   ========================================================================== */
.skills {
    list-style-type: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
}

.skill {
    color: var(--text-color__dark);
    font-size: .75em;
    background-color: var(--skill-background-color);
    display: inline-block;
    padding: 0.5em 2em;
    border: 1px solid var(--color-neutral-dark);
    text-align: center;
    box-shadow: rgb(255 255 255 / 50%) 0 3px 0 0 inset;
    flex-grow: 1;
    margin: 2px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
    max-width: 50%;
}

.drop-in {
    opacity: 1;
    transform: translateY(0);
}

.dev-skill {
    background-color: var(--color-pink);
}

.testing-skill {
    background-color: var(--color-orange);
}

.build-tools-skill {
    background-color: var(--color-yellow);
}

.devops-skill {
    background-color: var(--color-blue);
}

.ux-skill {
    background-color: var(--color-purple);
}

/* ==========================================================================
   Projects
   ========================================================================== */
.project-list {
    padding: 0;
    display: grid;
    grid-gap: 24px;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    align-items: stretch;
    justify-content: center;
    height: fit-content;
}

.project-list>li {
    background-color: var(--card-background-color);
    padding: 20px;
    box-shadow: 5px 5px 5px 0 rgb(0 0 0 / 7%);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
}

.project-list>li>p {
    flex-grow: 1;
}

.project-list>li>figure {
    margin: 0;
}

.project-list>li>figure figcaption {
    margin-top: 16px;
    text-align: center;
    font-style: italic;
}

.project-image {
    width: 100%;
    height: auto;
}

.project-links {
    width: 100%;
    text-align: center;
    font-weight: 300;
    font-size: .875rem;
    display: flex;
    justify-content: space-evenly;
    margin-top: 16px;
}

.project-link {
    display: flex;
    text-align: center;
    justify-content: center;
    align-items: center;
    font-weight: 600;
    gap: 4px;
}

.project-heading {
    font-style: italic;
    margin: 0;
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer {
    height: 200px;
    background-color: var(--footer-background-color);
    color: var(--text-color__light);
    padding: 40px 16px;
    display: flex;
    flex-flow: row wrap;
    justify-content: space-around;
    align-items: center;
    gap: 16px;
    border-top: solid 3px var(--border-color);
}

.internal-links a,
.external-links a {
    color: var(--text-color__light);
}

.external-links {
    font-size: 1.5rem;
    width: 175px;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}

.internal-links {
    font-size: 1.125rem;
}

.external-links a:hover {
    color: var(--color-orange);
}

/* ==========================================================================
   Buttons & Links
   ========================================================================== */
.btn {
    background-color: var(--color-neutral-dark);
    color: var(--text-color__light);
    display: inline-block;
    padding: 0.75em 2em;
    min-width: 100px;
    text-decoration: none;
    font-size: 1rem;
    text-align: center;
    border: 1px solid var(--color-neutral-dark);
    position: relative;
    overflow: hidden;
}

.btn-text {
    position: absolute;
    top: 50%;
    white-space: nowrap;
    transition: transform 0.3s ease-in-out;
    width: 100%;
    text-align: center;
}

.btn-arrow {
    transition: transform 0.3s ease-in-out;
    display: block;
    font-family: serif;
}

#next-button .btn-text {
    transform: translate(-150%, 0);
}

#back-button .btn-text {
    transform: translate(150%, 0);
}

#next-button {
    border-radius: 0 3px 3px 0;
}

#back-button {
    border-radius: 3px 0 0 3px;
}

.btn:focus-visible {
    outline: 1px auto var(--border-color);
}

.btn:disabled,
.btn:disabled:hover {
    opacity: 0;
}

.btn:enabled:active {
    background-color: var(--color-highlight);
}

.section-link {
    display: block;
    font-size: 1rem;
    padding: 8px 16px;
}

/* ==========================================================================
   Utilities
   ========================================================================== */
.screen-reader-only {
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    height: 1px;
    overflow: hidden;
    position: absolute;
    white-space: nowrap;
    width: 1px;
}

.text-muted {
    filter: brightness(0.75);
    font-size: .875rem;
    margin: 12px 0 0;
}

.text-highlight {
    color: var(--color-highlight);
    font-style: normal;
    font-weight: bold;
}

.text-light {
    font-weight: 300;
}

.section-heading {
    margin: 0 0 12px;
}

.tagline {
    font-weight: bold;
    margin-bottom: 12px;
}

.silly {
    transform: rotate(-2deg);
    display: inline-block;
    font-size: 1.25rem;
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes fade-in {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animating {
    transition: opacity 750ms ease-in-out;
}

/* ==========================================================================
   Media Queries
   ========================================================================== */
@media all and (width <=746px) {
    .nav-logo,
    .nav-logo img {
        width: 48px;
        height: 48px;
    }

    footer {
        flex-direction: column;
        gap: 0;
    }

    main,
    .nav-link {
        font-size: 1rem;
    }

    .fullscreen {
        padding: 80px 16px 16px;
    }

    .about-image {
        --image-width: 150px;
        margin: 0 auto;
    }

    .about-container {
        align-items: end;
    }

    .about-container,
    .skills-container {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }

    .skills-image {
        display: none;
    }

    .skills-container {
        align-items: center;
    }

    .about-buttons {
        grid-column: 1 / 2;
    }

    .about-text {
        width: 100%;
        align-self: start;
    }

    .about-buttons button {
        flex-grow: 1;
    }

    .skill {
        padding: 0.25em .5em;
    }

    .btn,
    .section-link {
        font-size: .75rem;
    }

    .internal-links {
        text-align: center;
    }
}

@media (hover: hover) {
    #next-button:enabled:hover .btn-arrow {
        transform: translate(170%, 0);
    }

    #back-button:enabled:hover .btn-arrow {
        transform: translate(-170%, 0);
    }

    #next-button:enabled:hover .btn-text {
        transform: translate(-50%, -50%);
    }

    #back-button:enabled:hover .btn-text {
        transform: translate(-50%, -50%);
    }

    #next-button:disabled:hover .btn-arrow,
    #back-button:disabled:hover .btn-arrow {
        transform: none;
    }
}