:root {
    --bg-primary: #121212;
    --bg-secondary: #1e1e1e;
    --bg-card: #1e1e1e;
    --accent-cyan: #79c0ff;
    --accent-cyan-glow: rgba(121, 192, 255, 0.3);
    --accent-green: #7ee787;
    --accent-amber: #ffb000;
    --accent-amber-glow: rgba(255, 176, 0, 0.3);
    --text-primary: #c9d1d9;
    --text-secondary: #8b949e;
    --border-color: #30363d;
    --border-color-hover: #8b949e;
    --font-heading: system-ui, -apple-system, sans-serif;
    --font-body: system-ui, -apple-system, sans-serif;
    --font-mono: ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo, Consolas, monospace;
}

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

@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    scrollbar-color: var(--text-secondary) var(--bg-primary);
    scrollbar-width: thin;
    text-shadow: 0 0 5px var(--accent-cyan-glow);
    position: relative;
}

body::after {
    content: " ";
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.05) 50%), linear-gradient(90deg, rgba(255, 255, 255, 0.01), rgba(255, 255, 255, 0.01), rgba(255, 255, 255, 0.01));
    z-index: 999;
    background-size: 100% 2px, 3px 100%;
    pointer-events: none;
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--text-secondary);
    border-radius: 0px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-cyan);
}

::selection {
    background: var(--accent-cyan);
    color: #0a0a0a;
}

header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--text-primary);
    text-decoration: none;
    text-transform: uppercase;
}

.logo::before {
    content: "user@";
    color: var(--text-secondary);
}

.logo::after {
    content: ":~$";
    color: var(--text-secondary);
    margin-left: 5px;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.2s ease;
    text-transform: uppercase;
}

.nav-links a::before {
    content: "> ";
    opacity: 0;
    transition: opacity 0.2s ease;
}

.nav-links a:hover, .nav-links a:focus-visible, .nav-links a.active {
    color: var(--accent-cyan);
}

.nav-links a:hover::before, .nav-links a:focus-visible::before, .nav-links a.active::before {
    opacity: 1;
}

main {
    flex: 1;
    max-width: 900px;
    width: 100%;
    margin: 0 auto;
    padding: 3rem 1.5rem;
}

[id] {
    scroll-margin-top: 90px;
}

/* Document / Policy Container */
.doc-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0px;
    padding: 2.5rem;
    box-shadow: none;
    position: relative;
}

.doc-card::before {
    content: "+--- SYSTEM STATUS ---+";
    position: absolute;
    top: -10px;
    left: 20px;
    background: var(--bg-primary);
    padding: 0 10px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

h1 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    text-transform: uppercase;
}

.doc-meta {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent-cyan);
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.doc-section {
    margin-bottom: 2rem;
}

h2 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    border-left: 1px solid var(--accent-cyan);
    padding-left: 0.75rem;
    text-transform: uppercase;
}

h2::before {
    content: "# ";
    color: var(--text-secondary);
}

p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

ul, ol {
    margin-left: 1.5rem;
    margin-bottom: 1.25rem;
    color: var(--text-secondary);
}

li {
    margin-bottom: 0.4rem;
    font-size: 0.95rem;
}

a.doc-link {
    color: var(--accent-cyan);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-thickness: 1px;
    text-decoration-color: rgba(69, 243, 255, 0.4);
    transition: text-decoration-color 0.2s ease;
}

a.doc-link:hover, a.doc-link:focus-visible {
    text-decoration-color: var(--accent-cyan);
}

a.doc-link[target="_blank"]::after {
    content: " ↗";
    display: inline-block;
    font-size: 0.85em;
    margin-left: 2px;
    transition: transform 0.2s ease;
}

a.doc-link[target="_blank"]:hover::after, a.doc-link[target="_blank"]:focus-visible::after {
    transform: translate(2px, -2px);
}

a.doc-link[href^="mailto:"]::after {
    content: " ✉";
    display: inline-block;
    font-size: 0.85em;
    margin-left: 2px;
    transition: transform 0.2s ease;
}

a.doc-link[href^="mailto:"]:hover::after, a.doc-link[href^="mailto:"]:focus-visible::after {
    transform: translate(2px, -2px);
}

/* Home / Landing Page Specific styling */
.hero {
    text-align: center;
    padding: 2rem 0 3.5rem;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-primary);
    white-space: pre;
    line-height: 1.2;
}

.hero-title span.cursor {
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.game-showcase {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    width: 100%;
}

.game-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0px;
    padding: 2rem;
    display: flex;
    flex-direction: row;
    gap: 2rem;
    box-shadow: none;
    transition: border-color 0.2s ease;
    position: relative;
}

.game-card::before {
    content: "+--- PROCESS ---+";
    position: absolute;
    top: -10px;
    left: 20px;
    background: var(--bg-primary);
    padding: 0 10px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.game-card:hover, .game-card:focus-within {
    border-color: var(--border-color-hover);
}

.game-icon-container {
    display: flex;
    align-items: center;
    justify-content: center;
}

.game-icon {
    width: 90px;
    height: 90px;
    border-radius: 0px;
    background: var(--bg-primary);
    border: 1px dashed var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.4s ease;
}

.game-card:hover .game-icon, .game-card:focus-within .game-icon {
    transform: scale(1.05);
}

.game-icon svg {
    width: 55px;
    height: 55px;
}

.game-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex: 1;
}

.game-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--accent-cyan);
    border: 1px dashed var(--accent-cyan);
    padding: 0.1rem 0.5rem;
    border-radius: 0px;
    width: fit-content;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.game-tag::before {
    content: "[ ";
}
.game-tag::after {
    content: " ]";
}

.game-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    text-transform: uppercase;
}

.game-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
}

.game-links {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    text-decoration: none;
    padding: 0.6rem 1.2rem;
    border-radius: 0px;
    transition: all 0.2s ease;
    cursor: pointer;
    letter-spacing: 0.5px;
    position: relative;
}

.btn::before {
    content: "[ ";
    margin-right: 5px;
    color: inherit;
}

.btn::after {
    content: " ]";
    margin-left: 5px;
    color: inherit;
}


.btn-primary {
    --btn-bg: transparent;
    --btn-text: var(--accent-cyan);
    background: var(--btn-bg);
    color: var(--btn-text);
    border: 1px solid var(--accent-cyan);
}

.btn-primary:hover, .btn-primary:focus-visible {
    background: var(--accent-cyan);
    color: #0a0a0a;
}

.btn-secondary {
    --btn-color: var(--text-secondary);
    --btn-border: var(--border-color);
    background: transparent;
    color: var(--btn-color);
    border: 1px solid var(--btn-border);
}

.btn-secondary:hover, .btn-secondary:focus-visible {
    background: var(--text-secondary);
    border-color: var(--text-secondary);
    color: #0a0a0a;
}

.btn:active {
    transform: scale(0.97);
}

footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.footer-content {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
    list-style: none;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-links a:hover, .footer-links a:focus-visible {
    color: var(--accent-cyan);
}

.footer-links a::before {
    content: "./";
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    main {
        padding: 2rem 1rem;
    }
    
    .doc-card {
        padding: 1.5rem;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .game-card {
        flex-direction: column;
        gap: 1.25rem;
        padding: 1.5rem;
    }
    
    .game-icon {
        width: 80px;
        height: 80px;
    }
    
    .game-icon svg {
        width: 48px;
        height: 48px;
    }
}

/* Accessibility: Focus styles */
:focus-visible {
    outline: 1px solid var(--focus-ring, var(--accent-cyan));
    outline-offset: 2px;
}

/* Accessibility: Skip to main content link */
.skip-to-main {
    position: absolute;
    top: 0;
    left: 0;
    transform: translateY(-100%);
    background: var(--bg-primary);
    color: var(--accent-cyan);
    padding: 8px 16px;
    z-index: 1000;
    transition: transform 0.2s ease;
    border-bottom: 2px solid var(--accent-cyan);
    border-right: 2px solid var(--accent-cyan);
    font-weight: 600;
    text-decoration: none;
}

.skip-to-main:focus {
    transform: translateY(0);
}

.skip-to-main:focus-visible {
    outline-offset: -3px;
}

main:focus {
    outline: none;
}

/* Accessibility/UX: Print styles for legibility on white paper */
@media print {
    :root {
        --bg-primary: #ffffff;
        --bg-secondary: #ffffff;
        --bg-card: #ffffff;
        --text-primary: #000000;
        --text-secondary: #333333;
        --accent-cyan: #005566;
        --border-color: #cccccc;
        --border-color-hover: #cccccc;
    }

    body {
        background-color: var(--bg-primary);
        color: var(--text-primary);
    }

    header, footer, .skip-to-main, .game-links {
        display: none !important;
    }

    main {
        padding: 0;
        margin: 0;
    }

    .doc-card {
        box-shadow: none;
        border: none;
        padding: 0;
    }

    a.doc-link[href]::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
        color: #555;
    }
}