:root {
            --primary-color: #1a2a6c;
            --accent-color: #f39c12;
            --bg-color: #f9f9f9;
            --text-color: #2c3e50;
            --card-bg: #ffffff;
        }


        .container1 {
            max-width: 1000px;
            margin: 2rem auto;
            padding: 0 1.5rem;
            padding-bottom: 25px;
        }

        .intro {
            background: var(--card-bg);
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
            margin-bottom: 3rem;
            border-left: 5px solid var(--accent-color);
        }

        h2 {
            color: var(--primary-color);
            text-align: center;
            margin-bottom: 2rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .grid-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }

        .card {
            background: var(--card-bg);
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.08);
            transition: transform 0.3s ease;
        }

        .card:hover {
            transform: translateY(-5px);
        }

        .card h3 {
            color: var(--primary-color);
            margin-top: 0;
            border-bottom: 2px solid #eee;
            padding-bottom: 0.5rem;
        }

        .highlight-box {
            background: #eef2f3;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
            font-style: italic;
            text-align: center;
            border: 1px dashed var(--primary-color);
        }

        .timeline-section {
            position: relative;
            padding-left: 30px;
            border-left: 3px solid var(--accent-color);
            margin-left: 10px;
        }

        .timeline-item {
            margin-bottom: 1.5rem;
            position: relative;
        }

        .tag {
            display: inline-block;
            background: var(--primary-color);
            color: white;
            padding: 0.2rem 0.8rem;
            border-radius: 15px;
            font-size: 0.85rem;
            margin-bottom: 0.5rem;
        }

        @media (max-width: 768px) {
            .grid-container { grid-template-columns: 1fr; }
        }