/* ═══════════════════════════════════════════════════════════════
   ARCADE VAULT - Trad Goth Aesthetic
   Black. Victorian. Industrial.
   ═══════════════════════════════════════════════════════════════ */

:root {
    --black: #000000;
    --black-soft: #080808;
    --charcoal: #141414;
    --graphite: #1c1c1c;
    --iron: #2a2a2a;
    --steel: #444444;
    --ash: #666666;
    --smoke: #888888;
    --silver: #aaaaaa;
    --bone: #cccccc;
    --white: #e8e8e8;
    
    --blood-dark: #3d0000;
    --blood: #5c0000;
    --blood-bright: #7a0000;
    --crimson: #990000;
    
    --bg: var(--black);
    --bg-alt: var(--black-soft);
    --text: var(--bone);
    --text-dim: var(--smoke);
    --text-muted: var(--steel);
    --border: #1a1a1a;
    
    --font-display: 'UnifrakturCook', 'Times New Roman', serif;
    --font-heading: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Cormorant Garamond', Georgia, serif;
    --font-ui: 'Inter', -apple-system, sans-serif;
    
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    min-height: 100vh;
}

::selection { background: var(--blood); color: var(--white); }

/* Background */
.bg-texture {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -1;
    background: radial-gradient(ellipse at 50% 0%, rgba(90, 0, 0, 0.06) 0%, transparent 50%), var(--black);
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 400;
    color: var(--white);
    line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 6vw, 4rem); }
h2 { font-size: clamp(1.4rem, 3vw, 1.8rem); letter-spacing: 0.05em; }
h3 { font-size: 1.15rem; }

.display-title {
    font-family: var(--font-display);
    letter-spacing: 0.03em;
}

a { color: var(--crimson); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--blood-bright); }

/* Divider */
.divider {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--iron);
    margin: var(--space-lg) 0;
}
.divider::before, .divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--iron), transparent);
}

/* Navigation */
.nav-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: var(--space-md) var(--space-lg);
    background: transparent;
    transition: background 0.3s, border 0.3s;
}

.nav-header.scrolled {
    background: rgba(0, 0, 0, 0.97);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
}

.logo-symbol { font-size: 1.6rem; color: var(--blood-bright); }

.logo-text {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--white);
}

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

.nav-link {
    font-family: var(--font-ui);
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--smoke);
    padding: var(--space-sm) 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--blood);
    transition: width 0.3s;
}

.nav-link:hover, .nav-link.active { color: var(--white); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--smoke);
    font-size: 1.4rem;
    cursor: pointer;
}

@media (max-width: 768px) {
    .nav-toggle { display: block; }
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        max-width: 260px;
        height: 100vh;
        flex-direction: column;
        background: var(--black-soft);
        border-left: 1px solid var(--border);
        padding: var(--space-2xl) var(--space-lg);
        gap: var(--space-lg);
        transition: right 0.3s;
    }
    .nav-links.open { right: 0; }
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
    border-bottom: 1px solid var(--border);
}

.hero-content { max-width: 650px; }

.hero-tagline {
    font-family: var(--font-ui);
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--blood-bright);
    margin-bottom: var(--space-lg);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(4rem, 14vw, 9rem);
    color: var(--white);
    margin-bottom: var(--space-sm);
    line-height: 0.85;
}

.hero-subtitle {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-style: italic;
    color: var(--smoke);
    margin-bottom: var(--space-xl);
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
}

.scroll-text {
    font-family: var(--font-ui);
    font-size: 0.55rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--steel);
    display: block;
    margin-bottom: var(--space-sm);
}

.scroll-line {
    width: 1px;
    height: 35px;
    background: linear-gradient(to bottom, var(--steel), transparent);
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.9rem 1.8rem;
    font-family: var(--font-ui);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--blood);
    color: var(--white);
    border: 1px solid var(--blood-bright);
}
.btn-primary:hover {
    background: var(--blood-bright);
    color: var(--white);
}

.btn-outline {
    background: transparent;
    color: var(--smoke);
    border: 1px solid var(--iron);
}
.btn-outline:hover {
    border-color: var(--blood);
    color: var(--white);
}

/* Sections */
.section {
    padding: var(--space-2xl) var(--space-lg);
    max-width: 1100px;
    margin: 0 auto;
}

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

.section-title {
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: var(--space-xs);
}

.section-subtitle {
    font-style: italic;
    color: var(--smoke);
    font-size: 1rem;
}

/* Stats */
.stats-bar {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
    padding: var(--space-xl) var(--space-lg);
    background: var(--black-soft);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.stat-item { text-align: center; }

.stat-value {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 300;
    color: var(--blood-bright);
    line-height: 1;
}

.stat-label {
    font-family: var(--font-ui);
    font-size: 0.58rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--steel);
    margin-top: var(--space-sm);
    display: block;
}

/* Game Cards */
.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--space-md);
}

.game-card {
    background: var(--black-soft);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.25s;
    position: relative;
    overflow: hidden;
}

.game-card:hover {
    border-color: var(--blood);
    transform: translateY(-2px);
}

.game-card-image {
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--charcoal);
}

.game-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.3s;
    filter: grayscale(20%) brightness(0.9);
}

.game-card:hover .game-card-image img {
    filter: grayscale(0%) brightness(1);
    transform: scale(1.02);
}

.game-card-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--iron);
    font-size: 2rem;
}

.game-card-content { padding: var(--space-md); }

.game-card-system {
    display: inline-block;
    font-family: var(--font-ui);
    font-size: 0.52rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 3px 8px;
    margin-bottom: var(--space-sm);
    background: var(--charcoal);
    color: var(--smoke);
    border: 1px solid var(--border);
}

.game-card-system.flash {
    border-color: var(--blood-dark);
    color: var(--crimson);
}

.game-card-system.html5 {
    border-color: var(--steel);
    color: var(--silver);
}

.game-card-title {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--white);
}

.game-card-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.88);
    opacity: 0;
    transition: opacity 0.25s;
}

.game-card:hover .game-card-overlay { opacity: 1; }

.play-btn {
    width: 48px;
    height: 48px;
    border: 1px solid var(--blood);
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blood-bright);
    font-size: 1.1rem;
    transition: all 0.2s;
}

.game-card:hover .play-btn {
    background: var(--blood);
    color: var(--white);
}

/* Categories */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: var(--space-sm);
}

.category-card {
    background: var(--black-soft);
    border: 1px solid var(--border);
    padding: var(--space-lg) var(--space-md);
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}

.category-card:hover {
    border-color: var(--blood);
    background: var(--charcoal);
}

.category-card.active {
    border-color: var(--blood);
    background: var(--blood-dark);
}

.category-name {
    font-family: var(--font-ui);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--bone);
    display: block;
    margin-bottom: 2px;
}

.category-count {
    font-family: var(--font-ui);
    font-size: 0.55rem;
    color: var(--steel);
}

/* Featured */
.featured-game {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
    padding: var(--space-lg);
    background: var(--black-soft);
    border: 1px solid var(--border);
}

.featured-image {
    aspect-ratio: 16/10;
    overflow: hidden;
    border: 1px solid var(--border);
}

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

.featured-badge {
    font-family: var(--font-ui);
    font-size: 0.55rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--blood-bright);
    margin-bottom: var(--space-md);
    display: block;
}

.featured-title {
    font-size: 1.8rem;
    margin-bottom: var(--space-md);
}

.featured-desc {
    color: var(--smoke);
    margin-bottom: var(--space-lg);
    font-style: italic;
}

@media (max-width: 768px) {
    .featured-game { grid-template-columns: 1fr; }
}

/* Search & Filters */
.search-input {
    width: 100%;
    padding: var(--space-md);
    background: var(--black-soft);
    border: 1px solid var(--border);
    color: var(--white);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border 0.2s;
}

.search-input::placeholder {
    color: var(--steel);
    font-style: italic;
}

.search-input:focus {
    outline: none;
    border-color: var(--blood);
}

.filter-chip {
    padding: var(--space-sm) var(--space-md);
    background: var(--black-soft);
    border: 1px solid var(--border);
    color: var(--smoke);
    font-family: var(--font-ui);
    font-size: 0.62rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.2s;
}

.filter-chip:hover {
    border-color: var(--iron);
    color: var(--white);
}

.filter-chip.active {
    background: var(--blood);
    border-color: var(--blood);
    color: var(--white);
}

/* Footer */
.footer {
    padding: var(--space-xl) var(--space-lg);
    background: var(--black-soft);
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: var(--white);
    margin-bottom: var(--space-md);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.footer-link {
    font-family: var(--font-ui);
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--steel);
}

.footer-link:hover { color: var(--blood-bright); }

.footer-divider {
    width: 50px;
    height: 1px;
    background: var(--border);
    margin: var(--space-lg) auto;
}

.footer-copy {
    font-size: 0.85rem;
    color: var(--steel);
}

/* States */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-2xl);
    color: var(--steel);
}

.loading-spinner {
    width: 28px;
    height: 28px;
    border: 1px solid var(--border);
    border-top-color: var(--blood);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--space-md);
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-text {
    font-family: var(--font-ui);
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-2xl);
}

.empty-icon {
    font-size: 2.5rem;
    color: var(--iron);
    margin-bottom: var(--space-md);
}

.empty-title {
    font-size: 1.1rem;
    color: var(--smoke);
    margin-bottom: var(--space-sm);
}

.empty-text {
    color: var(--steel);
    font-style: italic;
}

/* Utilities */
.text-blood { color: var(--blood-bright); }
.text-muted { color: var(--steel); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

@media (max-width: 768px) {
    .hero { padding: var(--space-xl) var(--space-md); }
    .section { padding: var(--space-xl) var(--space-md); }
    .stats-bar { flex-wrap: wrap; gap: var(--space-lg); }
    .games-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
}