:root {
            --primary: rgb(14,165,233);
            --primary-hover: #0284c7;
            --primary-light: rgba(14,165,233,0.1);
            --bg-dark: #070b19;
            --text-dark: #0f172a;
            --text-light: #f8fafc;
            --text-muted: #64748b;
            --border-color: #e2e8f0;
            --border-dark: #1e293b;
            --shadow: 0 10px 30px -10px rgba(0,0,0,0.1);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; color: var(--text-dark); background-color: #f8fafc; line-height: 1.6; }
        a { text-decoration: none; color: inherit; transition: var(--transition); }

        
        header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; background: rgba(255, 255, 255, 0.8); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border-color); }
        .header-container { max-width: 1200px; margin: 0 auto; padding: 16px 20px; display: flex; align-items: center; justify-content: space-between; }
        .logo { display: inline-flex; align-items: center; gap: 12px; }
        .logo img { height: 38px; width: auto; max-width: 160px; object-fit: contain; }
        .logo span { font-size: 18px; font-weight: 800; color: var(--text-dark); }
        nav.nav-desktop { display: flex; gap: 28px; }
        nav.nav-desktop a { font-size: 15px; font-weight: 500; color: var(--text-muted); }
        nav.nav-desktop a:hover, nav.nav-desktop a.active { color: var(--primary); }
        .header-actions { display: flex; align-items: center; gap: 16px; }
        .btn { display: inline-flex; align-items: center; justify-content: center; padding: 10px 20px; border-radius: 8px; font-size: 14px; font-weight: 600; cursor: pointer; border: none; }
        .btn-primary { background-color: var(--primary); color: white; }
        .btn-outline { background: transparent; color: var(--text-dark); border: 1px solid var(--border-color); }
        .btn-outline:hover { background: var(--primary-light); color: var(--primary); border-color: var(--primary); }
        .menu-toggle { display: none; background: none; border: none; cursor: pointer; }
        .menu-toggle span { display: block; width: 24px; height: 2px; background-color: var(--text-dark); margin: 6px 0; }

        
        .drawer-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(15, 23, 42, 0.4); backdrop-filter: blur(4px); z-index: 1999; opacity: 0; visibility: hidden; transition: var(--transition); }
        .drawer-overlay.active { opacity: 1; visibility: visible; }
        .nav-drawer { position: fixed; top: 0; left: -320px; width: 300px; height: 100%; background: #ffffff; z-index: 2000; box-shadow: 20px 0 40px rgba(0,0,0,0.1); padding: 24px; display: flex; flex-direction: column; gap: 32px; transition: var(--transition); }
        .nav-drawer.active { left: 0; }
        .drawer-header { display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--border-color); padding-bottom: 16px; }
        .drawer-close { background: none; border: none; font-size: 24px; cursor: pointer; }
        .drawer-nav { display: flex; flex-direction: column; gap: 16px; }
        .drawer-nav a { font-size: 16px; font-weight: 600; padding: 8px 0; border-bottom: 1px solid #f1f5f9; }

        
        .download-header { background: radial-gradient(circle at 50% 0%, #0f172a 0%, #070b19 100%); color: white; padding: 140px 20px 80px; text-align: center; }
        .download-header h1 { font-size: clamp(28px, 4vw, 42px); font-weight: 800; margin-bottom: 16px; }
        .download-header p { color: #94a3b8; font-size: 18px; max-width: 700px; margin: 0 auto; }

        
        .download-container { max-width: 1200px; margin: 60px auto; padding: 0 20px; }
        .platforms-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; margin-bottom: 80px; }
        .platform-card { background: #ffffff; border: 1px solid var(--border-color); border-radius: 12px; padding: 40px 30px; text-align: center; transition: var(--transition); }
        .platform-card:hover { transform: translateY(-5px); border-color: var(--primary); box-shadow: var(--shadow); }
        .platform-icon { font-size: 48px; margin-bottom: 24px; color: var(--primary); }
        .platform-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; }
        .platform-card p { font-size: 14px; color: var(--text-muted); margin-bottom: 24px; }

        
        .faq-section { max-width: 800px; margin: 0 auto; }
        .faq-section h2 { font-size: 28px; text-align: center; margin-bottom: 40px; font-weight: 800; }
        .faq-item { background: #ffffff; border: 1px solid var(--border-color); padding: 24px; border-radius: 10px; margin-bottom: 16px; }
        .faq-item h4 { font-size: 16px; font-weight: 700; margin-bottom: 8px; color: var(--text-dark); }
        .faq-item p { font-size: 14px; color: var(--text-muted); }

        
        footer { background-color: var(--bg-dark); color: #94a3b8; padding: 80px 20px 40px; border-top: 1px solid var(--border-dark); }
        .footer-container { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 40px; margin-bottom: 60px; }
        .footer-brand { display: flex; flex-direction: column; gap: 20px; }
        .footer-brand .logo span { color: #ffffff; }
        .footer-links-group h4 { color: #ffffff; font-size: 16px; font-weight: 600; margin-bottom: 24px; }
        .footer-links-group ul { list-style: none; }
        .footer-links-group ul li { margin-bottom: 12px; }
        .footer-links-group ul li a:hover { color: #ffffff; }
        .footer-bottom { max-width: 1200px; margin: 0 auto; padding-top: 40px; border-top: 1px solid var(--border-dark); display: flex; justify-content: space-between; align-items: center; font-size: 14px; }

        @media (max-width: 991px) {
            nav.nav-desktop, .header-actions .btn-outline { display: none; }
            .menu-toggle { display: block; }
            .footer-container { grid-template-columns: 1fr; gap: 30px; }
            .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
        }