/* --- 1. Theme Variables --- */
        :root {
            --primary-color: #003366; /* H-Lift Navy Blue */
            --primary-dark: #002244;
            --accent-color: #e67e23;  /* Safety Orange */
            --bg-light: #f4f7f6;
            --bg-white: #ffffff;
            --border-color: #e0e0e0;
            --text-dark: #333333;
            --text-light: #555555;
        }

        /* --- 2. Global Reset --- */
        * { margin: 0; padding: 0; box-sizing: border-box; }

        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-dark);
            background: var(--bg-light);
        }

        a { text-decoration: none; color: inherit; transition: color 0.3s ease; }
        
        /* --- 3. Layout Container --- */
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* --- 4. Page Header --- */
        .page-header {
            background: linear-gradient(135deg, var(--primary-color) 0%, #004080 100%);
            color: white;
            padding: 60px 20px;
            text-align: center;
            margin-bottom: 50px;
            position: relative;
            overflow: hidden;
        }

        .page-header h1 {
            font-size: 2.5em;
            font-weight: 700;
            margin-bottom: 15px;
            position: relative;
            z-index: 2;
        }

        .page-header .divider {
            width: 100px;
            height: 4px;
            background: var(--accent-color);
            margin: 0 auto;
            border-radius: 2px;
            position: relative;
            z-index: 2;
        }

        /* Decorative circles */
        .page-header::before, .page-header::after {
            content: "";
            position: absolute;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            z-index: 1;
        }
        .page-header::before { width: 400px; height: 400px; top: -150px; left: -100px; }
        .page-header::after { width: 300px; height: 300px; bottom: -100px; right: -50px; }

        /* --- 5. Features Grid --- */
        .features-section { margin-bottom: 50px; }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }

        .feature-card {
            background: white;
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
            border-top: 5px solid var(--accent-color);
            transition: transform 0.3s ease;
        }

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

        .feature-card strong {
            color: var(--primary-color);
            font-size: 1.2em;
            display: block;
            margin-bottom: 10px;
        }

        /* --- 6. Q&A Section --- */
        .qa-section {
            background: white;
            padding: 40px;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
            margin-bottom: 50px;
        }

        .qa-item {
            padding: 20px;
            background: var(--bg-light);
            border-radius: 6px;
            margin-bottom: 20px;
            border-left: 4px solid var(--primary-color);
        }

        .qa-question { font-weight: bold; color: var(--primary-color); font-size: 1.1em; margin-bottom: 8px; }
        .qa-answer { color: var(--text-light); }

        /* --- 7. Components List --- */
        .components-section {
            background: white;
            padding: 40px;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
            margin-bottom: 50px;
        }

        .section-title {
            color: var(--primary-color);
            font-size: 2em;
            font-weight: 700;
            margin-bottom: 30px;
            padding-bottom: 15px;
            border-bottom: 2px solid var(--bg-light);
        }

        .components-list { list-style: none; }
        .components-list li {
            padding: 15px 20px;
            margin-bottom: 10px;
            background: var(--bg-light);
            border-radius: 4px;
            border-left: 4px solid #ccc;
        }
        .components-list li strong { color: var(--primary-color); }
        
        .sub-hooks { margin-top: 10px; padding-left: 15px; }
        .sub-hooks div {
            font-size: 0.95em;
            color: var(--text-light);
            margin-bottom: 5px;
            display: flex;
            align-items: center;
        }
        .sub-hooks div::before { content: "•"; color: var(--accent-color); margin-right: 8px; font-weight: bold; }

        /* --- 8. Standards Box --- */
        .standards-box {
            background: #eef2f5;
            padding: 25px;
            border-radius: 8px;
            border: 1px solid #d1d9e6;
            margin-bottom: 50px;
            text-align: center;
        }
        .standards-box strong { color: var(--primary-color); font-size: 1.2em; display: block; margin-bottom: 5px; }

        /* --- 9. Technical Diagrams --- */
        .diagram-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
            background: white;
            padding: 30px;
            border-radius: 8px;
            align-items: center;
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
        }

        .diagram-image img {
            max-width: 100%;
            height: auto;
            border-radius: 6px;
            border: 1px solid #eee;
        }

        .diagram-text {
            background: var(--bg-light);
            padding: 25px;
            border-radius: 6px;
            border-left: 4px solid var(--accent-color);
        }

        /* --- 10. Product Grid (FIXED LINKS) --- */
        .products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .product-card {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            position: relative; /* Context for link */
        }

        .product-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 25px rgba(0, 51, 102, 0.15);
        }

        /* CRITICAL FIX: Robust Image Link Styles */
        .product-image-link {
            display: block !important;
            width: 100%;
            background: #fff;
            padding: 20px;
            text-align: center;
            border-bottom: 1px solid #eee;
            position: relative;
            z-index: 10; /* Ensures it's on top */
            cursor: pointer;
        }

        .product-image-link img {
            max-width: 100%;
            height: 250px;
            object-fit: contain;
            transition: transform 0.3s ease;
            display: block;
            margin: 0 auto;
        }

        .product-card:hover .product-image-link img {
            transform: scale(1.05);
        }

        /* Title Area */
        .product-title {
            padding: 20px;
            text-align: center;
            background: white;
            flex-grow: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            z-index: 10;
        }

        .product-title a {
            color: var(--primary-color);
            font-weight: 700;
            font-size: 1.1em;
            text-transform: uppercase;
            display: block;
            width: 100%;
        }

        .product-title a:hover {
            color: var(--accent-color);
        }

        /* Responsive */
        @media (max-width: 768px) {
            .page-header h1 { font-size: 1.8em; }
            .diagram-row { grid-template-columns: 1fr; }
            .products-grid { grid-template-columns: 1fr; }
        }