/* --- Basic Styles --- */
    :root {
        /* Premium Blue for Grade 120 High Strength */
        --primary-color: #0056b3; 
        --secondary-color: #e1e8f0;
        --text-dark: #2c3e50;
        --text-light: #666;
        --bg-light: #f8f9fa;
        --border-color: #dee2e6;
    }

    body {
        font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
        color: var(--text-dark);
        line-height: 1.6;
        margin: 0;
        padding: 20px;
        background-color: #fff;
    }

    .container {
        max-width: 1200px;
        margin: 0 auto;
    }

    /* --- Header Section --- */
    .product-header {
        border-bottom: 3px solid var(--primary-color);
        padding-bottom: 20px;
        margin-bottom: 30px;
    }

    .product-header h1 {
        color: var(--primary-color);
        font-size: 32px;
        margin: 0 0 10px 0;
    }

    .product-header .subtitle {
        font-size: 18px;
        color: var(--text-light);
        font-weight: 500;
    }

    /* --- Features & Layout --- */
    .content-wrapper {
        display: flex;
        flex-wrap: wrap;
        gap: 40px;
        margin-bottom: 50px;
    }

    .text-column {
        flex: 1 1 500px;
    }

    .image-column {
        flex: 0 1 400px;
        text-align: center;
    }

    .image-column img {
        max-width: 100%;
        height: auto;
        border-radius: 8px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        border: 1px solid var(--border-color);
    }

    h4 {
        color: var(--primary-color);
        font-size: 20px;
        margin-top: 20px;
        margin-bottom: 10px;
        border-left: 4px solid var(--primary-color);
        padding-left: 10px;
    }

    .feature-list, .app-list {
        list-style: none;
        padding: 0;
        margin: 0 0 20px 0;
    }

    .feature-list li {
        margin-bottom: 8px;
        padding-left: 25px;
        position: relative;
    }

    .feature-list li::before {
        content: "✅";
        position: absolute;
        left: 0;
        font-size: 14px;
    }

    .app-list li {
        margin-bottom: 8px;
        padding-left: 20px;
        position: relative;
    }

    .app-list li::before {
        content: "•";
        color: var(--primary-color);
        font-weight: bold;
        position: absolute;
        left: 0;
        font-size: 18px;
        line-height: 1.5;
    }

    /* --- Technical Table Section --- */
    .tech-section {
        margin-bottom: 50px;
    }

    .table-container {
        width: 100%;
        overflow-x: auto; /* Critical for mobile responsiveness */
        box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        border-radius: 8px;
        border: 1px solid #ddd;
    }

    table {
        width: 100%;
        border-collapse: collapse;
        min-width: 900px; /* Ensures table retains shape on small screens */
        font-size: 14px;
        background: #fff;
    }

    th {
        background-color: var(--primary-color);
        color: #fff;
        padding: 12px 8px;
        text-align: center;
        border: 1px solid #004494; /* Slightly darker shade for border */
        vertical-align: middle;
    }

    td {
        padding: 10px 8px;
        border: 1px solid #eee;
        text-align: center;
        color: #555;
    }

    /* Zebra Striping */
    tbody tr:nth-child(even) {
        background-color: var(--bg-light);
    }

    tbody tr:hover {
        background-color: var(--secondary-color);
    }

    /* Responsive Adjustments */
    @media (max-width: 768px) {
        .product-header h1 { font-size: 26px; }
        .content-wrapper { flex-direction: column-reverse; }
        .image-column { flex: 1 1 auto; width: 100%; }
    }