:root {
            --primary-color: #2c3e50;
            --danger-color: #c0392b;
            --accent-color: #7f8c8d;
            --bg-color: #f4f4f4;
            --text-color: #333;
            --card-bg: #ffffff;
        }

 
        .container {
            max-width: 900px;
            margin: 2rem auto;
            padding: 0 1.5rem;
            padding-bottom: 25px;
        }

        .alert-box {
            background: #fff3f3;
            border-left: 5px solid var(--danger-color);
            padding: 1.5rem;
            margin-bottom: 2rem;
            font-style: italic;
        }

        .section-title {
            color: var(--primary-color);
            border-bottom: 2px solid #ddd;
            padding-bottom: 0.5rem;
            margin-top: 3rem;
        }

        .grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin-top: 1.5rem;
        }

        .card {
            background: var(--card-bg);
            padding: 1.5rem;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .card h3 {
            color: var(--danger-color);
            margin-top: 0;
        }

        .stats-container {
            background: var(--primary-color);
            color: white;
            padding: 2rem;
            border-radius: 12px;
            display: flex;
            justify-content: space-around;
            text-align: center;
            margin: 2rem 0;
        }

        .stat-item span {
            display: block;
            font-size: 2rem;
            font-weight: bold;
            color: #e74c3c;
        }

        .image-placeholder {
            margin: 2rem 0;
            text-align: center;
            background: #fff;
            padding: 1rem;
            border-radius: 8px;
            border: 1px solid #ddd;
        }

        .framework {
            background: #e9ecef;
            padding: 2rem;
            border-radius: 8px;
            margin-top: 2rem;
        }