@font-face 
{
    font-family: Cascadia;
    src: url('../assets/fonts/CascadiaCode.ttf') format('truetype')
}

:root
{
    --card-width: 400px;

    --background-color: #ffffff;
    --background-color-article: #fefefe;
    --background-color-article-link: #dfdfdf;
    --backgound-color-header: #f1f1f1;
    --background-color-header-item: #f1f1f1;
    --background-color-header-item-hover: #afafaf;

    --color: #1f1f1f;
    --color-header-item: #1f1f1f;

    --box-shadow-color-header: #c1c1c1;
    --box-shadow-color-header-item-hover: #cfcfcf;
    --box-shadow-color-article: #d1d1d1;

    --box-shadow-with-header-item-hover: 5px;

    --height-header: 70px;
    --height-footer: 70px;
    --height-headline: 50px;
    --height-subheadline: 40px;

    --width-article: 1000px;

    --padding-article: 50px;
    --padding-vertical-headline: 10px;
    --padding-vertical-subheadline: 2px;
    --padding-vertical-content: 10px;
    --padding-vertical-header-link: 20px;
    --padding-horizontal-header-link: 30px;

    --border-width-headline: 2px;
    --border-width-subheadline: 2px;

    --font-family: Cascadia;

    --font-weight-link: normal;

    --font-size-headline: 30pt;
    --font-weight-headline: bold;

    --font-size-subheadline: 20pt;
    --font-weight-subheadline: bold;

    --font-size-paragraph: 10pt;
    --font-weight-paragraph: normal;

    --font-size-header: 15pt;
    --font-weight-header: normal;

    --font-size-banner: 18pt;
    --font-weight-banner: normal;

    --font-size-footer: 12pt;
    --font-weight-footer: normal;

    --color-c-cpp: #00549f;
    --color-python: #009f54;
    --color-java: #9f0014;
    --color-sql: #dd8500;
    --color-csharp: #44229f;
    --color-web: #0f7688;
    --color-cuda: #1f1f1f;
    --color-cmake: #00549f;
    --color-lighting: #000000;
}

html
{    
    scroll-behavior: smooth;
    height: 100%;
}

a
{
    text-decoration: none;
    color: var(--color);
    font-weight: var(--font-weight-link);
}

body
{
    position: relative;

    height: 100%;
    margin: 0px;
    padding: 0px;
    
    background-color: var(--background-color);
    color: var(--color);
    font-family: var(--font-family);
}

header
{
    position: fixed;
    top: 0;
    left: 0;
    right: 0;

    height: var(--height-header);
    margin: 0;
    padding: 0;

    background-color: var(--backgound-color-header);
    font-size: var(--font-size-header);
    font-weight: var(--font-weight-header);
    box-shadow: 0 5px 5px var(--box-shadow-color-header);
    
    z-index: 1000;
    overflow: hidden;
}

article
{
    position: relative;
    top: var(--height-header);
    left: calc((100% - var(--width-article)) / 2);

    width: var(--width-article);
    min-height: calc(100% - var(--height-header) - var(--height-footer));

    margin-left: calc(-1 * var(--padding-article));
    padding-top: 0px;
    padding-left: var(--padding-article);
    padding-right: var(--padding-article);
    padding-bottom: var(--height-footer);
    
    background-color: var(--background-color-article);
    box-shadow: 2px 2px 2px 2px var(--box-shadow-color-article);
}

footer
{
    position: absolute;
    display: flex;
    left: 0px;
    bottom: 0px;

    width: 100%;
    height: var(--height-footer);

    font-size: var(--font-size-footer);
    font-weight: var(--font-weight-footer);

    line-height: calc(var(--font-size-footer) + 10px);
    vertical-align: center;
    text-align: center;
    align-items: flex-end;
    justify-content: center;
}

header a
{
    float: left;
    display: block;
    
    height: var(--height-header);

    margin: 0px;
    margin-right: calc(var(--box-shadow-with-header-item-hover) * 2);
    padding: var(--padding-vertical-header-link);
    padding-left: var(--padding-horizontal-header-link);
    padding-right: var(--padding-horizontal-header-link);
    
    background-color: var(--background-color-header-item);
    color: var(--color-header-item);
    box-shadow: none;
    text-align: center;

    transition: all 0.2s ease;
}

header a:hover
{
    background-color: var(--background-color-header-item-hover);
    box-shadow: 0 0 var(--box-shadow-with-header-item-hover) var(--box-shadow-with-header-item-hover) var(--box-shadow-color-header-item-hover);
}

header a.banner
{
    font-size: var(--font-size-banner);
    font-weight: var(--font-weight-banner);
}

article h1
{
    position: sticky;

    top: var(--height-header);
    left: 0;
    right: 0;

    height: var(--height-headline);

    margin-block-start: 0px;
    margin-block-end: 0px;

    padding-left: 0;
    padding-right: 0;
    padding-top: var(--padding-vertical-headline);
    padding-bottom: var(--padding-vertical-headline);

    line-height: var(--height-headline);
    border-bottom: var(--border-width-headline) solid var(--color);
    
    font-size: var(--font-size-headline);
    font-weight: var(--font-weight-headline);
    font-style: normal;

    background-color: var(--background-color-article);
    color: var(--color);

    z-index: 100;
}

article h2
{
    position: sticky;

    top: calc(var(--height-header) + var(--height-headline) + 2 * var(--padding-vertical-headline) + var(--border-width-headline));
    left: 0;
    right: 0;

    height: var(--height-subheadline);

    margin-block-start: 0px;
    margin-block-end: 0px;

    padding-left: 0;
    padding-right: 0;
    padding-top: var(--padding-vertical-subheadline);
    padding-bottom: var(--padding-vertical-subheadline);

    line-height: var(--height-subheadline);
    border-bottom: var(--border-width-subheadline) solid var(--color);
    
    font-size: var(--font-size-subheadline);
    font-weight: var(--font-weight-subheadline);
    font-style: normal;

    background-color: var(--background-color-article);
    color: var(--color);

    z-index: 200;
}

article h1 + *:not(h2)
{
    padding-top: var(--padding-vertical-content);
    padding-bottom: var(--padding-vertical-content);

    margin-block-start: 0px;
    margin-block-end: 0px;
}

article h2 + *
{
    padding-top: var(--padding-vertical-content);
    padding-bottom: var(--padding-vertical-content);

    margin-block-start: 0px;
    margin-block-end: 0px;
}

article :not(.card-container) > a
{
    display: inline;
    border-radius: 5px;
    background-color: var(--background-color-article-link);    
    word-wrap: normal;

    
    line-height: 22px;
    height: 22px;

    border-radius: 5px;

    padding-left: 5px;
    padding-right: 5px;
}

img.about-r00bn-picture
{
    position: relative;
    top: 0px;
    padding: 0px;
    float: right;
    margin-left: 5px;  

    width: 200px;
    height: auto;
}

p:has(img.about-r00bn-picture)
{
    min-height: 200px;
}

span.language-tag
{
    display: inline-block;
    line-height: 22px;
    height: 22px;

    border-radius: 5px;

    color: white;
    padding-left: 5px;
    padding-right: 5px;
}

span.language-tag-c-cpp
{
    background-color: var(--color-c-cpp);
}

span.language-tag-cmake
{
    background-color: var(--color-cmake);
}

span.language-tag-python
{
    background-color: var(--color-python);
}

span.language-tag-java
{
    background-color: var(--color-java);
}

span.language-tag-sql
{
    background-color: var(--color-sql);
}

span.language-tag-c-sharp
{
    background-color: var(--color-csharp);
}

span.language-tag-web
{
    background-color: var(--color-web);
}

span.language-tag-cuda
{
    background-color: var(--color-cuda);
}

.card-container
{
    display: grid;
    
    grid-template-columns: auto auto;
    grid-template-rows: repeat(var(--card-width));

    column-gap: 40px;
    row-gap: 40px;

    justify-content: space-around;

    padding-left: 40px;
    padding-right: 40px;
}

@media screen and (max-width: 1750px) {
    .card-container
    {
        grid-template-columns: auto auto;
    }
}

@media screen and (max-width: 1150px) {
    .card-container
    {
        grid-template-columns: auto;
    }
}

@media screen and (max-width: 1100px) {
    article
    {
        left: 0px;
        width: calc(100% - 100px);
        min-width: 0px;
        margin: 0px;
    }
}

.card
{
    display: block;
    padding-left: 15px;
    padding-right: 15px;
    padding-top: 15px;
    width: var(--card-width);
    height: var(--card-width);

    border-radius: 15px;
    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2);

    transition: all 0.3s ease;
}

.card:hover
{
    box-shadow: 0 8px 16px 0 rgba(0,0,0,0.4);
}

.card-image
{
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    height: calc(100% - 30pt);

    background-size: calc(0.6 * (var(--card-width) - 30pt)) calc(0.6 * (var(--card-width) - 30pt));
    background-repeat: no-repeat;
    background-position: center center;

    box-shadow: none;
    transition: all 0.3s ease;
}

.card-content
{
    position: relative;
    left: 0;
    width: 100%;
    height: 30pt;
    text-align: center;
    font-size: 15pt;
    vertical-align: middle;
    text-align: center;
}

.card-wattson
{
    grid-area: wattson;
}

.card-libr00bn
{
    grid-area: r00bn;
}

table.min-table tbody tr td
{
    background-color: none;
    color: #1f1f1f;
}

table.property-table tbody tr td
{
    vertical-align: top;
    padding-bottom: 5px;
}

table.property-table tbody tr td:first-of-type
{
    width: 225px;
}

table.software-release-table
{
    width: 100%;
}

table.software-release-table thead tr td
{
    background-color: #1f1f1f;
    color: white;
    padding: 2px;
    text-align: center;
}

table.software-release-table tbody tr:nth-child(2n) td
{
    background-color: #f1f1f1;
}

table.software-release-table tbody tr:nth-child(2n+1) td
{
    background-color: #d1d1d1;
}