/* --- 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;
    }

    /* --- Intro Section --- */
    .intro-section {
        margin-bottom: 40px;
        background-color: var(--bg-light);
        padding: 20px;
        border-left: 5px solid var(--accent-color);
        border-radius: 4px;
    }

    /* --- Category Section --- */
    .category-section {
        margin-bottom: 50px;
    }

    .category-title {
        color: var(--primary-color);
        font-size: 24px;
        border-bottom: 2px solid #eee;
        padding-bottom: 10px;
        margin-bottom: 20px;
        font-family: 'Cambria', serif;
        font-weight: bold;
    }

    /* --- Grid Layouts --- */
    .grid-2-col {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
    }

    .product-card {
        border: 1px solid var(--border-color);
        border-radius: 6px;
        overflow: hidden;
        background: #fff;
        transition: transform 0.2s;
        padding: 20px;
    }

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

    .card-title {
        font-weight: bold;
        color: var(--primary-color);
        font-size: 18px;
        margin-bottom: 10px;
        display: block;
        border-bottom: 1px solid #eee;
        padding-bottom: 8px;
    }

    .card-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }

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

    .card-list li::before {
        content: "•";
        color: var(--accent-color);
        font-weight: bold;
        position: absolute;
        left: 0;
    }

    /* --- Selection Criteria Box --- */
    .criteria-box {
        background-color: #fff8e1; /* Light yellow */
        border: 1px solid #ffe0b2;
        padding: 25px;
        border-radius: 6px;
    }

    .criteria-head {
        color: #e67e23;
        font-weight: bold;
        font-size: 20px;
        margin-bottom: 15px;
        display: block;
    }

    /* --- Image Container --- */
    .image-container {
        text-align: center;
        margin-top: 40px;
        padding: 10px;
        border: 1px solid var(--border-color);
        border-radius: 8px;
    }

    .image-container img {
        max-width: 100%;
        height: auto;
    }