:root
{
    --bg-color: #e2e2e2;
    --button-color: #e2e2e2;
    --hover-color: #a1a1a1;
    --card-bg: #ffffff;
    --text-color: #2e3436;
    --accent-color: #3A944AFF;
    --accent-select-color: rgb(99, 190, 116);
    --header-bg: #ffffff;
    --border-radius: 12px;
    --border-color: rgba(0, 0, 0, 0.1);
    
}

@media (prefers-color-scheme: dark)
{
    :root
    {
        --bg-color: #1f1f1f;
        --button-color: #383838;
        --hover-color: #666666;
        --card-bg: #3d3d3d;
        --text-color: #eeeeec;
        --accent-color: #3A944AFF;
        --header-bg: #000000;
        --border-radius: 12px;
        --border-color: rgba(255, 255, 255, 0.1);
    }
}

body
{
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.4;
    margin: 0;
    transition: background-color 0.3s, color 0.3s;
}

main
{
    margin-bottom: 100px;
}

img
{
    width: 100%;
    height: auto;
    display: block;
}

.header-bar
{
    width: 100%;
    display: flex;
    background-color: var(--header-bg);
    padding: 10px 20px;
    gap: 3rem;
    align-items: center;
    justify-content: space-between;
    border-bottom: 2px solid var(--border-color);
    box-shadow: 0 2px 4px var(--border-color);
}

.header-title
{
    display: flex;
    font-weight: bold;
    font-size: 1.5rem;
    padding: 10px;
    align-items: center;
}

img.header-title
{
    width: 5rem;
    align-items: center;
    margin-right: 20px;
}

.nav-button
{
    text-decoration: none;
    font-weight: bold;
    color: var(--text-color);
    padding: 10px 12px;
    background-color: var(--button-color);
    transition: background 0.3s;
    border-radius: 8px;
    margin: 5px;
}

.nav-button:last-child
{
    margin-right: 100px;
}

.button-group > a
{
    display: inline;
    text-decoration: none;
    font-weight: bold;
    padding: 10px 12px;
    transition: background 0.3s;
    border-radius: 8px;
    justify-content: space-between;
    text-align: center;
    align-content: center;
}

.button
{
    background-color: var(--button-color);
    color: var(--text-color);
}

.button:hover
{
    background-color: var(--hover-color);
}

.button-group.large 
{
    padding: 20px;
}

.button-group.large a
{
    font-size: 2rem;
    padding: 20px;
    margin: 20px;
}

.suggested-button
{
    background-color: var(--accent-color);
    color: #ffffff;
}

.suggested-button:hover
{
    background-color: var(--accent-select-color);
    color: #ffffff;
}

.suggested-button.pill
{
    border-radius: 40px;
    padding: 20px 40px;
    display: block;
    margin: 10px 50px;
}

.suggested-button.pill.large
{
    font-size: 3rem;
    border-radius: 128px;
    background: var(--accent-color);
    background: linear-gradient( to bottom left, var(--accent-color), var(--accent-select-color));
    transition: background 0.3s;
}

.suggested-button.pill.large:hover
{
    font-size: 3rem;
    background-color: var(--accent-select-color-color);
    background: linear-gradient( to top right, var(--accent-color), var(--accent-select-color));
}

.nav-button:hover
{
    background-color: var(--hover-color);
}

.nav-button.active
{
    color: #ffffff;
    background-color: var(--accent-color);
    align-content: center;
}

.header-nav
{
    display: inline;
}

.intro
{
    background-color: var(--header-bg);
    display: flex;
    gap: 20px;
    padding: 20px;
    min-width: 250px;

    text-align: center;
    align-items: center;
    justify-content: center;
}

.card-deck
{
    display: flex;
    gap: 20px;
    padding: 20px;
}

@media (width < 70rem)
{
    .card-deck
    {
        flex-wrap: wrap;
        flex-direction: column;
    }

    .intro
    {
        flex-wrap: wrap;
        flex-direction: column;
    }
}

.card
{
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 20px;
    flex: 1;
    min-width: 250px;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 4px var(--border-color);
    flex-direction: column;

    display: flex;
}

.card .button-group
{
    margin-top: auto;
    padding-top: 20px;
    display: flex;
    justify-content: center;
}

.card h1
{
    font-size: 5rem;
    text-align: center;
}

.card h2
{
    font-size: 2.5rem;
    text-align: center;
}

.card h3
{
    text-align: center;
}

.card img
{
    width: 100%;
    
}

.card p
{
    text-align: justify;
}

.card .center
{
    align-content: center;
    align-items: center;
}

.card.list
{
    margin: 20px;
    display: block;
}

.card.list.sub
{
    margin: 20px;
    display: block;
}

.card.list ul {
    list-style: none;
    padding: 0;
    line-height: 1;
}

.card.list li {
    padding: 12px 15px;
    border: 3px solid var(--border-color);
    display: block;
    align-items: center;

    border-radius: var(--border-radius);
    margin: 10px;
}

.card.list h4
{
    display: block;
    font-size: 1.5rem;
    margin: 10px 0;
}

.animate-hover 
{
    transition: transform 0.3s;
}

.animate-hover:hover
{
    transform: scale(1.1);
}

.gallery
{
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 15px;
    padding: 20px;
}

@media (max-width : 1200px)
{
    .gallery
    {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width : 600px)
{
    .gallery
    {
        grid-template-columns: 1fr;
    }
}

.gallery a
{
    border-radius: var(--border-radius);
    transition: transform 0.3s;
    cursor: pointer;
}

.gallery a:hover
{
    transform: scale(1.1);
    align-content: center;
}

.lightbox
{
    display: none;
    position: fixed;
    z-index: 999;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.75);
    align-items: center;
    justify-content: center;
}

.lightbox:target
{
    display: flex;
}

.lightbox picture
{
    max-width: 90%;
    max-height: 90%;
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.75);
}

.close
{
    position: absolute;
    top: 20px;
    right: 30px;
    color: white;
    font-size: 10rem;
    text-decoration: none;
}

.footer
{
    background: var(--header-bg);
    border-color: 1px solid var(--border-color);
    padding: 40px, 20px;
    margin-top: 50px;
    padding-bottom: 50px;
}

.footer-content
{
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    max-width: 1000px;
    margin: 0 auto;
}

.footer-section
{
    display: flex;
    flex-direction: column;
    gap: 1px;
    margin-bottom: 10px;
}

.footer-section h4
{
    margin-bottom: 10px;
    color: var(--text-color);
}

.footer-section a
{
    color: var(--text-color);
}

.footer-section a:hover
{
    opacity: 0.5;
    text-decoration: underline;
}

.footer-section a:visited
{
    color: var(--accent-color);
}

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

pre
{
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-color);
    display: block;
    background-color: var(--bg-color);
    border-radius: var(--border-radius);
    margin: 10px; 
    font-size: 2rem;
    
}

code
{
    font-size: 1rem;
}

.syntax-hl
{
    display: inline;
    color: var(--accent-color);
    font-weight: bold;
}

@media (prefers-color-scheme: dark)
{
.syntax-hl
    {
        display: inline;
        color: var(--accent-select-color);
        font-weight: bold;
    }
}

aside[role="complementary"]
{
    position: fixed;
    margin-top: 20px;
    left: 20px;
    width: 200px;
    max-height: calc(100vh - 92px); /* Full height minus header and some padding */
    overflow-y: auto;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 4px var(--border-color);
    padding: 20px;
    z-index: 100;
}

aside[role="complementary"] h3
{
    margin-top: 0;
    margin-bottom: 15px;
    color: var(--text-color);
    font-size: 1.2rem;
}

aside[role="complementary"] ul
{
    list-style-position: inside;
    padding-left: 0;
    margin: 0;
}

aside[role="complementary"] ul ul
{
    padding-left: 20px;
    margin-top: 5px;
}

aside[role="complementary"] li
{
    margin: 8px 0;
    line-height: 1.4;
}

aside[role="complementary"] a
{
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s;
}

aside[role="complementary"] a:hover
{
    color: var(--accent-color);
    text-decoration: underline;
}

/* Add left margin to main content when aside is present */
body:has(aside[role="complementary"]) main
{
    margin-left: 290px; /* aside width + gap */
}

/* Hide aside on smaller screens */
@media (max-width: 1024px)
{
    aside[role="complementary"]
    {
        display: none;
    }
    
    body:has(aside[role="complementary"]) main
    {
        margin-left: 0;
    }
}