:root {
    --bg-color: #1a1a1f;
    --card-bg: #23232a;
    --board-bg: #282834;
    --accent-purple: #a78bfa;
    --accent-blue: #38bdf8;
    --accent-green: #4ade80;
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --border-color: #373742;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, "Segoe UI", "Noto Sans Bengali", sans-serif;
}

html, body {
    background-color: var(--bg-color);
    background-image:
        radial-gradient(at 0% 0%, rgba(192, 132, 252, 0.08) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(56, 189, 248, 0.08) 0px, transparent 50%);
    color: var(--text-main);
    min-height: 100dvh;
}

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

/* Navbar (shared across all non-game pages) */
.site-navbar {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    max-width: 960px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(10px);
}
.site-navbar .nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}
.site-navbar .nav-logo img {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}
.site-navbar .nav-logo span {
    font-weight: 900;
    font-size: 1.1rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 18px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
}
.nav-links a:hover, .nav-links a.active { color: var(--accent-blue); }
.nav-links .btn-play {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
    color: #fff !important;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 800;
}
.nav-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    border-radius: 8px;
    padding: 6px 10px;
    font-size: 1.1rem;
}

@media (max-width: 640px) {
    .nav-links { display: none; position: absolute; top: 62px; left: 0; right: 0; background: var(--card-bg); flex-direction: column; align-items: flex-start; padding: 16px 20px; gap: 14px; border-bottom: 1px solid var(--border-color); }
    .nav-links.open { display: flex; }
    .nav-toggle { display: block; }
}

/* Generic page content wrapper */
.page-wrap {
    max-width: 800px;
    margin: 0 auto;
    padding: 30px 20px 60px;
}
.page-wrap h1 {
    font-size: 1.8rem;
    font-weight: 900;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.page-subtitle {
    color: var(--text-muted);
    margin-bottom: 28px;
    font-size: 0.95rem;
}
.content-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}
.content-card h2 {
    font-size: 1.1rem;
    color: var(--accent-purple);
    margin-bottom: 10px;
    font-weight: 800;
}
.content-card p, .content-card li {
    color: var(--text-muted);
    line-height: 1.7;
    font-size: 0.95rem;
    margin-bottom: 10px;
}
.content-card ul { padding-left: 20px; }
.content-card a.inline-link { color: var(--accent-blue); text-decoration: underline; }

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.contact-form input, .contact-form textarea {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 14px;
    color: var(--text-main);
    font-size: 0.95rem;
    resize: vertical;
}
.contact-form button {
    align-self: flex-start;
    padding: 12px 26px;
    border: none;
    border-radius: 24px;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
    color: #fff;
    font-weight: 800;
    cursor: pointer;
}

/* Footer */
.site-footer {
    max-width: 960px;
    margin: 0 auto;
    padding: 24px 20px 40px;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 16px;
    color: var(--text-muted);
    font-size: 0.82rem;
}
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-links a:hover { color: var(--accent-blue); }