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

:root {
    --bg-dark: #0a0a1a;
    --space-card: #12122a;
    --space-card-hover: #1a1a3a;
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --accent: #f59e0b;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --border: rgba(99, 102, 241, 0.2);
}

body {
    background-color: var(--bg-dark);
    color: var(--text);
    font-family: 'Inter', sans-serif;
    line-height: 1.7;
    min-height: 100vh;
}

body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image:
        radial-gradient(1px 1px at 20% 30%, rgba(255,255,255,0.4) 0%, transparent 100%),
        radial-gradient(1px 1px at 80% 10%, rgba(255,255,255,0.3) 0%, transparent 100%),
        radial-gradient(1px 1px at 50% 80%, rgba(255,255,255,0.2) 0%, transparent 100%),
        radial-gradient(1px 1px at 10% 60%, rgba(255,255,255,0.3) 0%, transparent 100%),
        radial-gradient(1px 1px at 90% 50%, rgba(255,255,255,0.2) 0%, transparent 100%);
    pointer-events: none;
    z-index: 0;
}

nav {
    position: relative;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 1.25rem 2rem;
    border-bottom: 1px solid var(--border);
    background: rgba(10,10,26,0.8);
    backdrop-filter: blur(12px);
    flex-wrap: wrap;
}

.nav-logo {
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text);
    text-decoration: none;
    letter-spacing: 0.05em;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    flex: 1;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.nav-links a:hover { color: var(--text); }
.nav-item-dropdown{position:relative;list-style:none;}.nav-item-dropdown>details>summary{color:var(--text-muted);font-size:0.9rem;cursor:pointer;list-style:none;display:flex;align-items:center;gap:4px;transition:color 0.2s;user-select:none;}.nav-item-dropdown>details>summary::-webkit-details-marker{display:none;}.nav-item-dropdown>details>summary::after{content:'▾';font-size:0.7rem;opacity:0.6;transition:transform 0.2s;}.nav-item-dropdown>details[open]>summary{color:var(--text);}.nav-item-dropdown>details[open]>summary::after{transform:rotate(180deg);}.nav-submenu{display:none;position:absolute;top:calc(100% + 10px);left:0;background:var(--space-card);border:1px solid var(--border);border-radius:10px;padding:8px;min-width:190px;z-index:200;box-shadow:0 8px 24px rgba(0,0,0,0.4);}.nav-item-dropdown>details[open] .nav-submenu{display:block;}.nav-submenu a{display:block;padding:8px 14px;color:var(--text-muted);font-size:0.875rem;border-radius:6px;text-decoration:none;white-space:nowrap;transition:background 0.15s,color 0.15s;}.nav-submenu a:hover{background:rgba(99,102,241,0.12);color:var(--text);text-decoration:none;}[dir="rtl"] .nav-submenu{left:auto;right:0;}

.btn-nav-cta {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    padding: 0.5rem 1.25rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: background 0.2s, transform 0.15s;
    white-space: nowrap;
}

.btn-nav-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.article-wrapper {
    position: relative;
    z-index: 1;
    max-width: 760px;
    margin: 0 auto;
    padding: 3rem 1.5rem 4rem;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.breadcrumb a { color: var(--primary-light); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

.article-header { margin-bottom: 2.5rem; }

.article-tag {
    display: inline-block;
    background: rgba(99,102,241,0.15);
    border: 1px solid var(--border);
    color: var(--primary-light);
    padding: 0.3rem 0.85rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(1.6rem, 4vw, 2.2rem);
    font-weight: 700;
    line-height: 1.3;
    color: var(--text);
    margin-bottom: 1rem;
}

.article-meta {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.article-content h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
    margin: 2.5rem 0 1rem;
    letter-spacing: 0.03em;
}

.article-content p {
    color: var(--text-muted);
    margin-bottom: 1.2rem;
    font-size: 1rem;
}

.article-content strong { color: var(--text); }

.article-content a {
    color: var(--primary-light);
    text-decoration: underline;
}

.article-content a:hover { color: var(--text); }

.article-content ul, .article-content ol {
    color: var(--text-muted);
    margin: 0 0 1.2rem 1.5rem;
}

.article-content li { margin-bottom: 0.4rem; }

.highlight-box {
    background: rgba(99,102,241,0.08);
    border-left: 3px solid var(--primary);
    border-radius: 0 8px 8px 0;
    padding: 1rem 1.25rem;
    margin: 1.5rem 0;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.highlight-box strong { color: var(--primary-light); }

.game-card {
    background: var(--space-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    margin: 1.5rem 0;
}

.game-card-meta {
    font-size: 0.82rem;
    color: var(--accent);
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.game-card p {
    font-size: 0.93rem;
    color: var(--text-muted);
    margin-bottom: 0.6rem;
}

.game-card p:last-child { margin-bottom: 0; }

.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.9rem;
}

.data-table th {
    text-align: left;
    padding: 0.6rem 1rem;
    background: rgba(99,102,241,0.1);
    color: var(--primary-light);
    font-weight: 600;
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 0.6rem 1rem;
    color: var(--text-muted);
    border-bottom: 1px solid rgba(99,102,241,0.08);
}

.data-table tr:last-child td { border-bottom: none; }

.faq-section { margin-top: 3rem; }

.faq-item {
    background: var(--space-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    margin-bottom: 0.75rem;
    overflow: hidden;
}

.faq-q {
    font-weight: 600;
    font-size: 1rem;
    padding: 1.2rem 1.5rem;
    color: var(--text);
    background: var(--space-card);
}

.faq-a {
    font-size: 0.95rem;
    padding: 1rem 1.5rem 1.2rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
    line-height: 1.7;
}

.article-cta {
    background: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(245,158,11,0.1));
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    margin-top: 3rem;
}

.article-cta h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.2rem;
    color: var(--text);
    margin-bottom: 0.75rem;
}

.article-cta p {
    color: var(--text-muted);
    margin-bottom: 1.25rem;
    font-size: 0.95rem;
}

.btn-primary {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.2s, transform 0.15s;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

footer {
    position: relative;
    z-index: 1;
    border-top: 1px solid var(--border);
    padding: 2rem 1.5rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

footer a { color: var(--primary-light); text-decoration: none; }
footer a:hover { text-decoration: underline; }

@media (max-width: 600px) {
    nav { padding: 1rem; gap: 1rem; }
    .article-wrapper { padding: 2rem 1rem 3rem; }
    .data-table { font-size: 0.8rem; }
    .data-table th, .data-table td { padding: 0.5rem 0.6rem; }
}

/* RTL support */
[dir="rtl"] .nav-links { flex-direction: row-reverse; }
[dir="rtl"] .nav-content { flex-direction: row-reverse; }
[dir="rtl"] body { text-align: right; }
[dir="rtl"] .footer-grid { direction: rtl; }
[dir="rtl"] .back-link { flex-direction: row-reverse; }
[dir="rtl"] .back-link svg, [dir="rtl"] .nav-cta-arrow { transform: scaleX(-1); }
[dir="rtl"] .faq-question { flex-direction: row-reverse; }
:lang(ja) p, :lang(zh-CN) p, :lang(zh-TW) p, :lang(ko) p {
    overflow-wrap: break-word; line-break: strict;
}
:lang(th) p { word-break: break-all; overflow-wrap: anywhere; }

/* Language switcher */
.lang-switcher { position: relative; display: inline-block; }
.lang-current { background: transparent; border: 1px solid rgba(99,102,241,0.4); color: var(--text-muted, #94a3b8); padding: 6px 12px; border-radius: 8px; cursor: pointer; font-size: 0.85rem; display: flex; align-items: center; gap: 6px; list-style: none; }
.lang-current:hover { border-color: rgba(99,102,241,0.8); color: #fff; }
.lang-dropdown { display: none; position: absolute; right: 0; top: calc(100% + 4px); background: #12122a; border: 1px solid rgba(99,102,241,0.3); border-radius: 12px; padding: 8px; min-width: 200px; max-height: 320px; overflow-y: auto; z-index: 1000; column-count: 2; column-gap: 4px; }
.lang-switcher[open] .lang-dropdown { display: block; }
.lang-dropdown a { display: block; padding: 6px 10px; color: #94a3b8; text-decoration: none; font-size: 0.82rem; border-radius: 6px; white-space: nowrap; break-inside: avoid; }
.lang-dropdown a:hover, .lang-dropdown a[aria-current] { background: rgba(99,102,241,0.15); color: #fff; }
.lang-group { font-size: 0.7rem; color: rgba(255,255,255,0.3); padding: 4px 10px 2px; text-transform: uppercase; letter-spacing: 0.1em; break-inside: avoid; column-span: all; margin-top: 4px; }

/* ─── Rich footer grid ───────────────────────────────────────────────────── */
footer { padding: 3rem 2rem 2rem; }
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; max-width: 1100px; margin: 0 auto 30px; text-align: left; }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; gap: 20px; text-align: center; } }
.footer-group-title { font-family: 'Orbitron', sans-serif; font-size: 0.65rem; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; color: var(--primary-light); margin-bottom: 12px; opacity: 0.7; }
.footer-group a { display: block; color: var(--text-muted); text-decoration: none; font-size: 0.85rem; padding: 4px 0; transition: color 0.2s; }
.footer-group a:hover { color: var(--primary-light); text-decoration: none; }
.footer-lang-flag { display: inline-block; width: 16px; margin-right: 6px; vertical-align: middle; opacity: 0.8; }
.footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid rgba(99,102,241,0.08); }
.footer-bottom p { color: var(--text-muted); font-size: 0.8rem; opacity: 0.6; }

/* ─── Blog Index ─────────────────────────────────────────────────────────── */

main {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2.5rem 2rem 5rem;
}

.page-header {
    margin-bottom: 2.5rem;
    max-width: 720px;
}

.section-label {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--primary-light);
    opacity: 0.8;
    margin-bottom: 0.6rem;
}

.page-desc {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-top: 0.6rem;
}

/* Filter bar */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 0.35rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.filter-btn:hover,
.filter-btn.active {
    background: rgba(99, 102, 241, 0.15);
    border-color: var(--primary);
    color: var(--text);
}

/* Grid */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

@media (max-width: 1024px) {
    .articles-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .articles-grid { grid-template-columns: 1fr; }
    .filter-bar { gap: 0.4rem; }
    .filter-btn { font-size: 0.75rem; padding: 0.3rem 0.8rem; }
}

/* Card */
.article-card {
    display: flex;
    flex-direction: column;
    gap: 0;
    background: var(--space-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.2s, transform 0.2s, background 0.2s;
}

.article-card:hover {
    border-color: rgba(99, 102, 241, 0.6);
    background: var(--space-card-hover);
    transform: translateY(-3px);
}

/* Thumbnail strip */
.card-thumb {
    height: 6px;
    width: 100%;
    flex-shrink: 0;
}

.article-card[data-category="game-design"] .card-thumb { background: linear-gradient(90deg, #6366f1, #818cf8); }
.article-card[data-category="strategy"]    .card-thumb { background: linear-gradient(90deg, #0ea5e9, #38bdf8); }
.article-card[data-category="design"]      .card-thumb { background: linear-gradient(90deg, #8b5cf6, #a78bfa); }
.article-card[data-category="reviews"]     .card-thumb { background: linear-gradient(90deg, #f59e0b, #fbbf24); }
.article-card[data-category="kickstarter"] .card-thumb { background: linear-gradient(90deg, #ef4444, #f87171); }
.article-card[data-category="beginners"]   .card-thumb { background: linear-gradient(90deg, #10b981, #34d399); }
.article-card[data-category="teaching"]    .card-thumb { background: linear-gradient(90deg, #10b981, #34d399); }
.article-card[data-category="comparison"]  .card-thumb { background: linear-gradient(90deg, #f59e0b, #6366f1); }
.article-card[data-category="lifestyle"]   .card-thumb { background: linear-gradient(90deg, #ec4899, #f472b6); }

/* Card inner */
.card-inner {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    padding: 1.25rem 1.5rem 1.5rem;
    flex: 1;
}

.card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.card-tag {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--primary-light);
    opacity: 0.85;
}

.card-badge {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--accent);
    background: rgba(245, 158, 11, 0.12);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 10px;
    padding: 0.15rem 0.55rem;
    white-space: nowrap;
}

.card-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.45;
}

.card-excerpt {
    font-size: 0.855rem;
    color: var(--text-muted);
    line-height: 1.65;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-meta {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.77rem;
    color: var(--text-muted);
    opacity: 0.65;
    margin-top: auto;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
}

.card-meta span:last-child::before {
    content: '⏱ ';
}

/* Featured cards */
.article-card.featured {
    border-color: rgba(99, 102, 241, 0.35);
}

.article-card.featured .card-title {
    font-size: 1rem;
}