:root {
            --bg: #0f172a;
            --card: #1e293b;
            --accent: #38bdf8;
            --text: #f1f5f9;
        }
        
        body {
            background-color: var(--bg);
            color: var(--text);
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            margin: 0;
            padding: 0;
        }
        
        .container { max-width: 900px; margin: 0 auto; padding: 40px 20px; }
        header { text-align: center; padding: 60px 0; }
        h1 { font-size: 3rem; color: var(--accent); margin-bottom: 10px; }
        .hero-img { width: 100%; border-radius: 12px; border: 1px solid var(--accent); box-shadow: 0 10px 30px rgba(0,0,0,0.5); }
        .badge { background: var(--accent); color: var(--bg); padding: 5px 12px; border-radius: 20px; font-weight: bold; }
        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; margin-top: 40px; }
        .card { background: var(--card); padding: 20px; border-radius: 8px; border-left: 4px solid var(--accent); }
        .warning { background: #450a0a; border: 1px solid #ef4444; padding: 15px; border-radius: 8px; margin: 20px 0; }
        .btn { display: inline-block; background: var(--accent); color: var(--bg); padding: 12px 24px; border-radius: 6px; text-decoration: none; font-weight: bold; margin-top: 20px; transition: 0.3s; }
        .btn:hover { opacity: 0.8; transform: translateY(-2px); }
        
         .software-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
            margin-top: 20px;
        }
        
        .software-category {
            background: rgba(255, 255, 255, 0.03);
            padding: 20px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: 0.3s;
        }
        
        .software-category:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: var(--accent);
            transform: translateY(-5px);
        }
        
        .software-category h3 {
            margin-top: 0;
            color: var(--accent);
            font-size: 1.2rem;
            border-bottom: 1px solid rgba(56, 189, 248, 0.2);
            padding-bottom: 10px;
        }
        
        .software-category ul {
            list-style: none;
            padding: 0;
            margin: 15px 0 0 0;
        }
        
        .software-category li {
            margin-bottom: 8px;
            font-size: 0.9rem;
            color: #cbd5e1;
        }
        
        .software-category strong {
            color: #fff;
        }