* { margin: 0; padding: 0; box-sizing: border-box; }
        :root {
            --bg-body: #eef2f8;
            --glass-bg: rgba(255, 255, 255, 0.75);
            --glass-border: rgba(255, 255, 255, 0.5);
            --text-primary: #0f172a;
            --text-secondary: #334155;
            --card-bg: rgba(255, 255, 255, 0.8);
            --hero-bg: linear-gradient(135deg, #0b2b40, #1a4a6e);
            --navbar-bg: rgba(255, 255, 255, 0.85);
            --footer-bg: #0f172a;
            --btn-bg: #1e6b8f;
            --btn-hover: #2d7f9e;
            --gold: #c9a03d;
        }
        body.dark {
            --bg-body: #121826;
            --glass-bg: rgba(30, 35, 48, 0.85);
            --glass-border: rgba(255,255,255,0.15);
            --text-primary: #f1f5f9;
            --text-secondary: #cbd5e1;
            --card-bg: rgba(40, 45, 60, 0.85);
            --hero-bg: linear-gradient(135deg, #071a24, #0f2b3d);
            --navbar-bg: rgba(20, 25, 38, 0.9);
            --footer-bg: #0a0f1a;
            --btn-bg: #2d7f9e;
            --btn-hover: #3b9bc2;
        }
        body { font-family: system-ui, 'Segoe UI', sans-serif; background: var(--bg-body); color: var(--text-primary); line-height: 1.5; }
        ::-webkit-scrollbar { width: 8px; }
        ::-webkit-scrollbar-track { background: #e2e8f0; border-radius: 10px; }
        ::-webkit-scrollbar-thumb { background: #1e6b8f; border-radius: 10px; }
        body.dark ::-webkit-scrollbar-track { background: #1e293b; }
        @media (max-width: 768px) { ::-webkit-scrollbar { width: 4px; } }
        
        /* ===== منو ===== */
        .navbar { background: var(--navbar-bg); backdrop-filter: blur(12px); position: sticky; top: 0; z-index: 100; border-bottom: 1px solid var(--glass-border); padding: 0.5rem 1rem; }
        .nav-container { max-width: 1280px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; }
        .logo h2 { font-size: 1.3rem; font-weight: 800; background: linear-gradient(135deg, #1a4a6e, #2563eb); background-clip: text; -webkit-background-clip: text; color: transparent; }
        .nav-links { display: flex; gap: 1.2rem; list-style: none; align-items: center; }
        .nav-links a { text-decoration: none; color: var(--text-primary); font-weight: 500; font-size: 0.9rem; transition: 0.2s; }
        .nav-links a:hover { color: var(--btn-hover); }
        .dark-mode-toggle { background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: 2rem; padding: 0.2rem 0.7rem; cursor: pointer; font-size: 0.8rem; }
        .menu-toggle { display: none; font-size: 1.5rem; background: none; border: none; cursor: pointer; color: var(--text-primary); }
        
        /* ===== هدر صفحه ===== */
        .page-header { text-align: center; padding: 2.5rem 1rem; background: var(--hero-bg); color: white; }
        .page-header h1 { font-size: 2rem; font-weight: 800; margin-bottom: 0.5rem; }
        .page-header p { font-size: 1rem; opacity: 0.9; max-width: 700px; margin: 0 auto; }
        
        /* ===== بخش‌های اصلی ===== */
        .about-section { max-width: 1200px; margin: 2rem auto; padding: 0 1rem; }
        .glass-card { background: var(--card-bg); backdrop-filter: blur(8px); border-radius: 1.5rem; padding: 1.8rem; margin-bottom: 2rem; border: 1px solid var(--glass-border); transition: transform 0.2s, box-shadow 0.2s; }
        .glass-card:hover { transform: translateY(-4px); box-shadow: 0 15px 30px rgba(0,0,0,0.1); }
        .glass-card h2 { font-size: 1.6rem; margin-bottom: 1rem; color: var(--btn-bg); border-right: 4px solid var(--btn-bg); padding-right: 0.8rem; }
        .glass-card h3 { font-size: 1.2rem; margin: 1rem 0 0.5rem; color: var(--btn-bg); }
        .glass-card p { color: var(--text-secondary); line-height: 1.7; margin-bottom: 0.8rem; }
        .glass-card ul, .glass-card ol { margin-right: 1.5rem; margin-bottom: 0.8rem; color: var(--text-secondary); }
        .glass-card li { margin-bottom: 0.4rem; }
        
        /* ===== آمار برجسته ===== */
        .stats-highlight { display: flex; flex-wrap: wrap; justify-content: center; gap: 1.5rem; margin: 2rem 0; }
        .stat-item { text-align: center; flex: 1; min-width: 120px; padding: 1rem; background: var(--glass-bg); border-radius: 1.5rem; border: 1px solid var(--glass-border); }
        .stat-number { font-size: 2.2rem; font-weight: 800; color: var(--gold); }
        .stat-label { font-size: 0.85rem; color: var(--text-secondary); }
        
        /* ===== شبکه مدیریت (بدون عکس، فقط نام و سمت) ===== */
        .staff-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1.5rem; margin-top: 1rem; }
        .staff-card { background: var(--glass-bg); border-radius: 1.2rem; padding: 1rem; text-align: center; border: 1px solid var(--glass-border); transition: 0.2s; }
        .staff-card:hover { transform: translateY(-3px); background: var(--card-bg); }
        .staff-icon { font-size: 2rem; margin-bottom: 0.5rem; }
        .staff-name { font-weight: 700; font-size: 1rem; margin-bottom: 0.2rem; }
        .staff-role { font-size: 0.8rem; color: var(--text-secondary); }
        
        /* ===== افتخارات (نشان‌ها) ===== */
        .achievements-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; margin: 1rem 0; }
        .achievement-badge { background: linear-gradient(145deg, var(--btn-bg), var(--btn-hover)); color: white; padding: 0.5rem 1.2rem; border-radius: 2rem; font-size: 0.85rem; font-weight: 600; display: inline-flex; align-items: center; gap: 0.5rem; }
        
        /* ===== لینک بازگشت ===== */
        .back-link { text-align: center; margin-top: 1.5rem; }
        .back-link a { display: inline-block; background: var(--btn-bg); color: white; padding: 0.6rem 1.5rem; border-radius: 2rem; text-decoration: none; font-weight: 600; transition: 0.2s; }
        .back-link a:hover { background: var(--btn-hover); transform: translateY(-2px); }
        
        /* ===== فوتر ===== */
        footer { background: var(--footer-bg); padding: 1.5rem 1rem 1rem; margin-top: 2rem; }
        .footer-container { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px,1fr)); gap: 1rem; }
        .footer-col h4 { color: white; margin-bottom: 0.5rem; font-size: 0.9rem; }
        .footer-col p, .footer-col a { font-size: 0.75rem; color: #94a3b8; text-decoration: none; margin-bottom: 0.2rem; display: block; }
        .social-icons { display: flex; gap: 0.5rem; flex-wrap: wrap; }
        .social-icons span { background: #1e293b; padding: 0.2rem 0.5rem; border-radius: 2rem; font-size: 0.7rem; }
        .copyright { text-align: center; border-top: 1px solid #1e293b; padding-top: 1rem; margin-top: 1rem; font-size: 0.7rem; color: #94a3b8; }
        
        /* ===== ریسپانسیو ===== */
        @media (max-width: 850px) {
            .menu-toggle { display: block; }
            .nav-links { display: none; width: 100%; flex-direction: column; text-align: center; padding: 0.8rem 0; gap: 0.5rem; }
            .nav-links.show { display: flex; }
            .page-header h1 { font-size: 1.6rem; }
            .glass-card { padding: 1.2rem; }
            .glass-card h2 { font-size: 1.3rem; }
            .stats-highlight { gap: 0.8rem; }
            .stat-number { font-size: 1.6rem; }
        }
        @media (max-width: 480px) {
            .page-header h1 { font-size: 1.3rem; }
            .staff-grid { grid-template-columns: 1fr; }
        }
/* Global dark mode fixes */
body.dark, body.dark * { transition: background-color .2s,color .2s,border-color .2s; }
body.dark .glass-card, body.dark .card, body.dark .feature-card, body.dark .contact-form, body.dark .info-item, body.dark .hero, body.dark .content-section { background: rgba(30,41,59,.92) !important; color: #f8fafc !important; border-color:#475569 !important; }
body.dark a, body.dark p, body.dark h1, body.dark h2, body.dark h3, body.dark h4, body.dark li, body.dark span, body.dark label { color:#f8fafc !important; }