/* --- H-Lift Industrial Theme Variables --- */
    :root {
        --primary-color: #003366; /* Deep Navy Blue */
        --accent-color: #f39c12;  /* Safety Orange */
        --bg-light: #f4f7f6;
        --border-color: #e0e0e0;
        --text-dark: #333333;
        --text-light: #555555;
    }

    body {
        font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
        color: var(--text-dark);
        line-height: 1.6;
        margin: 0;
        padding: 20px;
        background-color: #ffffff;
        font-size: 16px; /* Standardized 16px font */
    }

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

    /* --- Page Header --- */
    .page-header {
        border-bottom: 4px solid var(--primary-color);
        padding-bottom: 20px;
        margin-bottom: 40px;
        text-align: center;
    }

    .page-header h1 {
        color: var(--primary-color);
        font-size: 32px;
        margin: 0 0 10px 0;
        font-family: 'Cambria', serif;
    }

    .sub-header {
        color: var(--text-light);
        font-weight: 600;
        font-size: 18px;
    }

    /* --- Features Section --- */
    .features-section h2 {
        color: var(--primary-color);
        font-size: 24px;
        border-left: 5px solid var(--accent-color);
        padding-left: 15px;
        margin-top: 0;
        margin-bottom: 20px;
        font-family: 'Cambria', serif;
    }

    .features-list {
        list-style: none;
        padding: 0;
        display: grid;
        grid-template-columns: 1fr;
        gap: 15px;
    }

    @media (min-width: 768px) {
        .features-list {
            grid-template-columns: 1fr 1fr;
        }
    }

    .features-list li {
        background: #fff;
        border: 1px solid var(--border-color);
        padding: 15px;
        border-radius: 4px;
        border-top: 3px solid var(--primary-color);
    }

    .features-list strong {
        color: var(--primary-color);
        display: block;
        margin-bottom: 5px;
        font-size: 17px;
    }

    /* --- Guide Table Styles --- */
    .guide-container {
        margin-top: 40px;
        margin-bottom: 40px;
        border: 1px solid #e0e0e0;
        border-radius: 8px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.05);
        overflow: hidden;
    }

    .guide-header {
        background-color: var(--primary-color);
        color: #ffffff;
        padding: 15px 20px;
        font-size: 18px;
        font-weight: bold;
        text-align: center;
        border-bottom: 3px solid var(--accent-color);
    }

    .guide-table {
        width: 100%;
        border-collapse: collapse;
        font-size: 15px;
        background-color: #fff;
        min-width: 600px;
    }

    .table-wrapper {
        overflow-x: auto;
    }

    .guide-table th {
        background-color: #f4f7f6;
        color: #333;
        font-weight: 600;
        text-align: left;
        padding: 12px 15px;
        border-bottom: 2px solid #ddd;
    }

    .guide-table td {
        padding: 12px 15px;
        border-bottom: 1px solid #eee;
        color: #555;
        vertical-align: top;
    }

    .guide-table tr:nth-child(even) {
        background-color: #f9fbfd;
    }

    .tag {
        display: inline-block;
        padding: 2px 6px;
        border-radius: 4px;
        font-size: 12px;
        font-weight: bold;
        margin-top: 5px;
    }
    
    .tag-hook { background-color: #e3f2fd; color: #0d47a1; }

    /* --- Product Catalog Grid --- */
    .product-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
        margin-top: 30px;
    }

    .product-card {
        border: 1px solid var(--border-color);
        border-radius: 6px;
        padding: 15px;
        text-align: center;
        background: #fff;
        transition: transform 0.2s;
    }

    .product-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    }

    .product-card img {
        max-width: 100%;
        height: auto;
        max-height: 150px;
        margin-bottom: 15px;
    }

    .product-title {
        font-weight: bold;
        color: var(--primary-color);
        display: block;
        margin-bottom: 5px;
        font-size: 18px;
    }

    .product-specs {
        font-size: 14px;
        color: var(--text-light);
        margin-bottom: 10px;
        display: block;
    }

    .product-code {
        font-weight: bold;
        color: var(--accent-color);
        font-size: 14px;
    }