* {
    box-sizing: border-box;
}

:root {
    --text-color: #cccccc;
    --text-color-highlight: #ffffff;
    scroll-behavior: smooth;
    overscroll-behavior-y: contain;
}

html {
    font-family: system-ui, sans-serif;
    font-weight: normal;
    color: var(--text-color);
}

body {
    display: flex;
    flex-direction: row;
    justify-content: start;
    align-items: start;
    color: var(--text-color);
    background-image: url("/img/bg.jpg");
    background-repeat: no-repeat;
    background-size: cover;
    background-blend-mode: darken;
    background-color: rgba(0, 0, 0, 0.65);
    background-attachment: fixed;
    background-position: center;
    overflow-y: auto;
}

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

nav {
    padding-block: 0.5rem;
    background-color: #232323;
    width: 2rem;
    height: 150vh;
    display: flex;
    position: fixed;
    flex-direction: column;
    justify-content: start;
    padding-top: 10%;
    overflow: clip;
}

nav a {
    writing-mode: tb-rl;
    transform: rotate(-180deg);
    color: #cccccc;
    padding-block: 0.2rem;
    padding-inline: 0.5rem;
    transition: background-color 0.2s, color 0.2s;
}

nav a.active {
    background-color: rgba(255,255,255, 0.1);
    color: var(--text-color-highlight);
}

nav a.active::after {
    opacity: 1;
    background-color: var(--text-color-highlight);
}

nav a::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0.1rem;
    width: 1px;
    height: 100%;
    background-color: var(--text-color);
    opacity: 0;
    transition: opacity 0.2s;
}

nav a:hover {
    color: white;
}

nav a:hover::after {
    height: 100%;
    color: #cccccc;
    opacity: 1;
}

main {
    padding: 0;
    margin-left: 2rem;
    width: 100%;
    overscroll-behavior-y: contain;
    scroll-snap-type: y proximity;
}

section {
    padding: 0;
    margin: 0;
    width: 100%;
    height: 100vh;
    overflow-y: auto;
    overscroll-behavior: contain;
    scroll-snap-align: start;
}

article {
    width: 100%;
}

#about {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

#projects {
    display: flex;
    flex-direction: column;
    justify-content: start;
    align-items: center;
    background-color: rgba(0,0,0, 0.85);
    background-blend-mode: darken;
    padding-top: 2rem;
    padding-bottom: 2rem;
    background-image: url("/img/bg-projects.jpg");
    background-position: center;
    background-attachment: fixed;
    height: auto;
}

#projects.active {

}

#projects .links {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    padding-top: 0.5rem;
}

#projects .links a button {
    width: 2rem;
    height: 2rem;
    border: 1px solid #fff;
    border-radius: 0.2rem;
    padding: 0.2rem;
    background: transparent;
    cursor: pointer;
}

#projects .links a button:hover {
    background-color: rgba(255,255,255, 0.15);
    transition: background-color 0.2s;
}

#projects .links a button img {
    width: 100%;
    height: 100%;
}

.tags {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    max-width: 18rem;
}

.tags span {
    font-size: 0.65rem;
    border: 1px solid var(--text-color);
    padding: 0.2rem;
    border-radius: 0.2rem;
    cursor: default;
    user-select: none;
    transition: transform 0.2s, color 0.2s, border-color 0.2s
}

.tags span:hover {
    transform: scale(1.2);
    color: var(--text-color-highlight);
    border-color: var(--text-color-highlight);
}

#about article {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
}

#about h1 {
    color: var(--text-color-highlight);
}

#projects h2 {
    font-size: 1.5rem;
    color: var(--text-color-highlight);
    padding-bottom: 1.5rem;
}

#projects .project-scroller {
    height: 100%;
    max-width: 100vw;
    scroll-snap-type: y mandatory;
    scroll-snap-align: start;
}

#projects .project-scroller article {
    display: flex;
    flex-direction: row;
    justify-content: start;
    text-align: start;
    flex-wrap: wrap;
    max-width: 34rem;
    padding-top: 0.5rem;
    padding-bottom: 1.5rem;
    padding-inline: min(1rem, 5%);
    gap: 0.75rem;
}

#projects .project-scroller article:nth-child(2n+0) {
    justify-content: end;
    flex-direction: row-reverse;
    text-align: end;
}

#projects .project-scroller article .links {
    justify-content: flex-start;
}

#projects .project-scroller article:nth-child(2n+0) .links {
    justify-content: flex-end;
}

#projects .project-scroller article .title {
    font-size: 1.4rem;
    color: var(--text-color-highlight);
    text-align: inherit;
}

#projects .project-scroller article .description {
    width: fit-content;
    flex: 1;
    min-width: 14rem;
}

#projects .project-scroller article .description p {
    font-size: 0.8rem;
    color: var(--text-color);
    text-align: inherit;
}

#projects .project-scroller article .project-logo {
    min-width: 9rem;
    min-height: 9rem;
    max-width: 9rem;
    max-height: 9rem;
    border-radius: 0.5rem;
}

#projects .project-scroller article .project-logo img {
    width: 100%;
    height: 100%;
    border-radius: 0.5rem;
}