:root {
            --primary: #004a99;
            --secondary: #2c3e50;
            --accent: #e67e22;
            --bg: #f4f7f9;
            --card-bg: #ffffff;
            --text: #333;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            background-color: var(--bg);
            color: var(--text);
            margin: 0;
            padding: 0;
        }

        header {
            background: var(--primary);
            color: white;
            padding: 3rem 1rem;
            text-align: center;
        }

        .container {
            max-width: 1100px;
            margin: 2rem auto;
            padding: 0 1rem;
        }

        h2 { color: var(--secondary); text-align: center; margin-top: 3rem; }

        /* SIP Services Highlight */
        .sip-banner {
            background: var(--secondary);
            color: white;
            padding: 2rem;
            border-radius: 8px;
            margin-bottom: 3rem;
            display: flex;
            align-items: center;
            justify-content: space-around;
            flex-wrap: wrap;
            text-align: center;
        }

        .sip-item { flex: 1; min-width: 250px; padding: 10px; }
        .sip-item h3 { color: var(--accent); margin-bottom: 0.5rem; }

        .product-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
        }

        .product-card {
            background: var(--card-bg);
            padding: 1.5rem;
            border-radius: 8px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.05);
            border-top: 4px solid var(--primary);
        }

        .category {
            font-size: 0.75rem;
            text-transform: uppercase;
            font-weight: bold;
            color: #888;
            display: block;
        }

        /* Contact Form */
        .contact-section {
            background: #fff;
            padding: 3rem 2rem;
            border-radius: 8px;
            margin-top: 4rem;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }

        .contact-form {
            max-width: 600px;
            margin: 0 auto;
            display: grid;
            gap: 1rem;
        }

        .form-group input, .form-group textarea {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ddd;
            border-radius: 4px;
            box-sizing: border-box;
        }

        .submit-btn {
            background: var(--primary);
            color: white;
            padding: 1rem;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }

        .submit-btn:hover { background: #003366; }

        footer {
            text-align: center;
            padding: 3rem;
            color: #777;
            font-size: 0.9rem;
        }