/* =============================================
   ARCADE VAULT - Gothic Dark Theme
   ============================================= */

/* ----- CSS Variables ----- */
:root {
    /* Colors - Edit these to change the theme */
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --bg-card: #0f0f0f;
    
    --accent: #8b0000;          /* Dark red - change this for different accent */
    --accent-hover: #a50000;
    --accent-glow: rgba(139, 0, 0, 0.3);
    
    --text-primary: #e0e0e0;
    --text-secondary: #888888;
    --text-muted: #555555;
    
    --border-color: #222222;
    --border-light: #333333;
    
    /* Typography */
    --font-display: 'Cinzel', serif;
    --font-body: 'Raleway', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ----- Reset & Base ----- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-weight: 300;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: inherit;
    text-decoration: none;
}

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

/* ----- Container ----- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-narrow {
    max-width: 800px;
}

/* ----- Navigation ----- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

.nav-brand {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

.nav-brand:hover {
    color: var(--accent);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
}

/* Mobile Nav */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }
    
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--bg-primary);
        border-bottom: 1px solid var(--border-color);
        padding: var(--spacing-sm);
        gap: 0;
        display: none;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links li {
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-links a {
        display: block;
        padding: var(--spacing-sm);
    }
}

/* ----- Hero Section ----- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at center, var(--accent-glow) 0%, transparent 70%),
        linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-subtitle {
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 700;
    letter-spacing: 0.1em;
    line-height: 1.1;
    margin-bottom: var(--spacing-sm);
}

.hero-tagline {
    font-size: 1.125rem;
    font-weight: 300;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-muted);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--text-muted), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* ----- Buttons ----- */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-primary {
    background: var(--accent);
    color: var(--text-primary);
}

.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: 0 0 20px var(--accent-glow);
}

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

.btn-secondary:hover {
    border-color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

/* ----- Stats Section ----- */
.stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg) var(--spacing-md);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

/* ----- Sections ----- */
.section {
    padding: var(--spacing-xl) 0;
}

.section-dark {
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-xs);
}

.section-header p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.section-link {
    display: inline-block;
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--accent);
    transition: color var(--transition-fast);
}

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

/* ----- Page Header ----- */
.page-header {
    padding: calc(80px + var(--spacing-lg)) var(--spacing-md) var(--spacing-lg);
    text-align: center;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-xs);
}

.page-header p {
    color: var(--text-secondary);
}

/* ----- Featured Card ----- */
.featured-card {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    overflow: hidden;
    max-width: 800px;
    margin: 0 auto;
}

.featured-image {
    position: relative;
    aspect-ratio: 3/4;
    background: var(--bg-tertiary);
}

.featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.featured-badge {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
}

.featured-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--spacing-md);
}

.featured-info h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.featured-info p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

@media (max-width: 768px) {
    .featured-card {
        grid-template-columns: 1fr;
    }
    
    .featured-image {
        aspect-ratio: 16/9;
    }
}

/* ----- Categories Grid ----- */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-sm);
    max-width: 800px;
    margin: 0 auto;
}

.category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.category-card:hover {
    border-color: var(--accent);
    background: rgba(139, 0, 0, 0.1);
}

.category-name {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.1em;
}

.category-count {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ----- Games Grid ----- */
.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.games-grid-full {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
}

.game-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.game-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.game-thumbnail {
    position: relative;
    aspect-ratio: 3/4;
    background: var(--bg-tertiary);
    overflow: hidden;
}

.game-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.game-card:hover .game-thumbnail img {
    transform: scale(1.05);
}

.game-system {
    position: absolute;
    bottom: var(--spacing-xs);
    right: var(--spacing-xs);
    padding: 0.125rem 0.5rem;
    font-size: 0.625rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
}

.game-info {
    padding: var(--spacing-sm);
}

.game-title {
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.game-year {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--text-muted);
}

.empty-state.hidden {
    display: none;
}

/* ----- Filters ----- */
.filters {
    padding: var(--spacing-md) 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.filter-row {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    align-items: flex-end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.filter-group label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.filter-group select,
.filter-group input {
    padding: 0.625rem 1rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    min-width: 150px;
}

.filter-group select:focus,
.filter-group input:focus {
    outline: none;
    border-color: var(--accent);
}

.search-group {
    flex: 1;
    min-width: 200px;
}

.search-group input {
    width: 100%;
}

.filter-info {
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ----- About Page ----- */
.about-content h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.about-content h2:first-child {
    margin-top: 0;
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.about-list {
    list-style: none;
    margin-bottom: var(--spacing-sm);
}

.about-list li {
    padding: var(--spacing-xs) 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.systems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
}

.system-item {
    text-align: center;
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
}

.system-name {
    display: block;
    font-family: var(--font-display);
    font-weight: 600;
    letter-spacing: 0.1em;
}

.system-year {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.disclaimer {
    font-size: 0.875rem;
    font-style: italic;
    color: var(--text-muted);
    padding: var(--spacing-sm);
    border-left: 2px solid var(--border-color);
}

/* ----- Footer ----- */
.footer {
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.footer-brand {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--text-primary);
}

.footer-disclaimer {
    font-size: 0.75rem;
    color: var(--text-muted);
}