@import url('https://fonts.googleapis.com/css2?family=Lunasima:wght@400;700&display=swap');

:root {
    --c-white: #ffffff;
    --c-light-grey: #eee;
    --c-grey: #414552;
    --c-purple: #dd92f6;
    --c-red: #ff5a5a;
    --c-blue: #69b4f9;
    --c-cyan: #0adeff;
    --c-green: #7EFDD0;
    --c-orange: #FCAD3F;

    --c-danger: #FF8E8E;
    --c-border: #DD92F633;
    --c-border-strong: #DD92F677;

    --color-background: var(--c-white);
    --color-background-alt: var(--c-bg-alt);
    --color-background-deep: var(--c-bg-deep);

    --color-text: var(--c-grey);
    --color-text-accent: var(--c-accent);
    --color-text-select: var(--color-background);
    --color-text-select-bg: var(--color-text);
    --color-link: var(--c-blue);
    --color-link-accent: var(--c-cyan);

    --color-text-muted: color-mix(in srgb, var(--c-foreground) 70%, transparent);

    --color-border: var(--c-border);
    --color-success: var(--c-success);
    --color-warning: var(--c-warning);
    --color-danger: var(--c-danger);

    --font-main: "Lunasima", sans-serif;
    ;
    --font-mono: Consolas, 'Courier New', monospace;

    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 24px;
    --space-6: 32px;

    --font-base: 14px;
    --text-xs: .75rem;
    --text-sm: .85rem;
    --text-md: 1.15rem;
    --text-lg: 1.35rem;
    --text-xl: 1.6rem;

    --border: 2px solid var(--color-border);
}

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

html {
    font-family: var(--font-main);
    font-size: var(--font-base);
    font-weight: 400;
    font-style: normal;
    background-color: var(--color-background);
    color: var(--color-text);
    /* text-shadow: 0 1px 2px color-mix(in srgb, currentColor 40%, transparent); */
    scrollbar-gutter: stable;
    scroll-behavior: smooth;
}

::selection {
    color: var(--color-text-select);
    background-color: var(--color-text-select-bg);
}

main {
    display: grid;
    gap: var(--space-5);
    margin-top: var(--space-5);
}

.header-logo {
    display: block;
    border-radius: 4ch;
    background-color: var(--c-red);
    width: fit-content;
    padding: 12px 16px;
    padding-right: calc(16px - 0.4em);
    letter-spacing: 0.4em;
    font-size: 25px;
    font-weight: 600;
    text-align: center;
    color: var(--c-white);
    font-family: 'Courier New', Courier, monospace;
}

.wrapper {
    max-width: 1000px;
    margin: auto;
}

.site-header {
    padding-top: var(--space-3);
    width: 100%;
}

.site-header--inner {

    display: flex;
    flex-flow: row nowrap;
    justify-content: space-between;
    align-items: center;
}

.site-nav {
    display: flex;
    gap: var(--space-3)
}

.site-nav--link {
    display: block;
    color: var(--color-link);
    font-weight: 600;
    text-decoration: underline dashed transparent;
    text-underline-offset: 4px;
    cursor: pointer;
    user-select: none;
    transition: color 0.25s ease, text-decoration-color 0.25s ease;
}

.site-nav--link:hover {
    color: var(--color-link-accent);
    text-decoration-color: currentColor;
}

.section-hero--title {
    margin: var(--space-4) 0;
    text-align: center;
}

.section-title {
    text-align: center;
    font-size: var(--text-lg);
}

.contents-tree>ul {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-3);
    margin-top: var(--space-5);
}

.contents--group>ul {
    display: grid;
    gap: var(--space-3);
}

.contents-tree li {
    list-style-type: none;
}

.contents--card {
    display: flex;
    background-color: var(--c-light-grey);
    border-radius: var(--space-3);
    padding: var(--space-3);
    text-align: center;
    align-self: start;
    font-weight: 600;

    justify-content: center;
    flex-flow: column nowrap;
    gap: var(--space-2);
}

.contents--card>ul {
    display: flex;
    justify-content: center;
    flex-flow: column nowrap;
    gap: var(--space-1);
}

.contents-tree>ul>li>ul,
.contents--group>ul>li>ul {
    font-weight: normal;
}

.contents--begin,
.contents--areas {
    grid-column: span 4;
}

.contents--group,
.contents--cheats,
.contents--gloss {
    grid-column: span 2;
}

.contents--areas>ul {
    display: flex;
    flex-flow: row wrap;
    gap: var(--space-2);
    padding-top: var(--space-2);
    justify-content: center;
}

.section-web-analytics {
    display: flex;
    flex-flow: column nowrap;
    gap: var(--space-2);
    background-color: var(--c-light-grey);
    border-radius: var(--space-3);
    padding: var(--space-3);
    text-align: center;
}

.section-web-analytics--title {
    font-size: var(--text-lg);
}

.section-about {
    height: fit-content;
    flex-basis: 100%;
    min-width: 0;
    display: flex;
    flex-flow: row nowrap;
    gap: var(--space-5);
}

.section-about--image {
    height: 220px;
}

.section-about--content {
    display: flex;
    flex-flow: column;
    justify-content: space-between;
    gap: var(--space-3);
    min-width: 0;
}

.section-about--heading {
    font-size: var(--text-xl);
    text-align: center;
}

.roller {
    display: flex;
    flex-flow: row nowrap;
    overflow: hidden;
    min-width: 0;
    border-top: var(--border);
    border-bottom: var(--border);
    background-color: var(--color-background-deep);
}

.roller__track {
    display: flex;
    flex-flow: row nowrap;
    flex-shrink: 0;
    width: max-content;
    padding-block: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-accent);
    will-change: transform;
    animation-name: roller-scroll;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
}

.roller__track--backward {
    animation-direction: reverse;
}

.roller__track>span {
    text-wrap: nowrap;
    margin-right: 1ch;
}

.roller__track>span::before {
    content: "| ";
}

@keyframes roller-scroll {
    from {
        transform: translateX(0);
    }

    to {
        transform: translateX(-100%);
    }
}

.site-footer {
    display: flex;
    flex-flow: row nowrap;

    color: var(--color-text);
    font-weight: 600;
    padding: var(--space-5) 0;
    gap: var(--space-4);
    z-index: 1;
}

.site-footer__inner {
    display: flex;
    flex-flow: row nowrap;
    gap: var(--space-4);
    flex-grow: 1;
    align-items: center;
}

.site-footer__text {
    flex-grow: 1;
}

.site-footer__text>a {
    color: var(--color-text);
    text-decoration: underline dashed transparent;
    text-underline-offset: 4px;
    cursor: pointer;
    transition: color 0.25s ease, text-decoration-color 0.25s ease;
}

.site-footer__text>a:hover {
    color: var(--color-link-accent);
    text-decoration-color: currentColor;
}

.social-link {
    display: flex;
    color: var(--color-text);
}

.social-link:hover {
    color: var(--color-link-accent);
}

.social-icon {
    display: inline-block;
    width: 28px;
    height: 28px;
    background-color: currentColor;
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
    -webkit-mask-position: center;
    mask-position: center;
    -webkit-mask-size: contain;
    mask-size: contain;
}

.social-icon--github {
    -webkit-mask-image: url('/img/github.svg');
    mask-image: url('/img/github.svg');
}

.social-icon--telegram {
    -webkit-mask-image: url('/img/telegram.svg');
    mask-image: url('/img/telegram.svg');
}

.social-icon--linkedin {
    -webkit-mask-image: url('/img/linkedin.svg');
    mask-image: url('/img/linkedin.svg');
}

.social-icon--cv {
    width: 42px;
    -webkit-mask-image: url('/img/cv.svg');
    mask-image: url('/img/cv.svg');
}

.social-icon--gmail {
    -webkit-mask-image: url('/img/email.svg');
    mask-image: url('/img/email.svg');
}