/* --- H-LIFT INDUSTRIAL THEME VARIABLES --- */
    :root {
        --primary-color: #003366; /* Deep Navy Blue */
        --accent-color: #e67e23;  /* Safety Orange */
        --bg-light: #f4f7f6;
        --border-color: #e0e0e0;
        --text-black: #000000;    /* Pure Black for Table Text */
        --text-dark: #333333;
        --text-light: #555555;
        --warning-bg: #ffebee;
        --warning-border: #ef9a9a;
        --warning-text: #c62828;
        --info-bg: #e3f2fd;
        --info-border: #2196f3;
        --info-text: #0d47a1;
    }

    /* Global Styles */
    * { box-sizing: border-box; }
    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;
    }
    .container { max-width: 1200px; margin: 0 auto; }

    /* Header Section */
    .page-header {
        border-bottom: 4px solid var(--primary-color);
        padding-bottom: 20px;
        margin-bottom: 30px;
        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;
    }

    /* Content Blocks */
    .intro-box {
        background-color: var(--bg-light);
        padding: 20px;
        border-left: 5px solid var(--accent-color);
        margin-bottom: 30px;
        border-radius: 4px;
    }

    /* Feature Grid */
    .feature-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
        margin-bottom: 40px;
    }
    .feature-card {
        border: 1px solid var(--border-color);
        border-radius: 6px;
        padding: 20px;
        background: #fff;
        transition: transform 0.2s;
        box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    }
    .feature-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    }
    .feature-title {
        font-weight: bold;
        color: var(--primary-color);
        font-size: 18px;
        margin-bottom: 10px;
        display: block;
        border-bottom: 2px solid #eee;
        padding-bottom: 5px;
    }

    /* Spacing Comparison Box */
    .spacing-box {
        background-color: #fff;
        border: 1px solid var(--border-color);
        border-radius: 6px;
        padding: 20px;
        margin-bottom: 30px;
    }
    .spacing-grid {
        display: flex;
        gap: 20px;
        flex-wrap: wrap;
    }
    .spacing-item {
        flex: 1;
        min-width: 250px;
        padding: 15px;
        background: var(--bg-light);
        border-radius: 4px;
    }
    .spacing-header {
        font-weight: bold;
        color: var(--primary-color);
        margin-bottom: 5px;
        display: block;
    }

    /* Q&A Section */
    .qa-box {
        background-color: #e3f2fd;
        border: 1px solid #90caf9;
        padding: 20px;
        border-radius: 6px;
        margin-bottom: 30px;
        margin-top: 40px; 
    }
    .qa-item { margin-bottom: 15px; }
    .qa-item:last-child { margin-bottom: 0; }
    .question { font-weight: bold; color: var(--primary-color); }
    .answer { margin-top: 5px; display: block; }

    /* Info Box */
    .info-box {
        background-color: var(--info-bg);
        border-left: 5px solid var(--info-border);
        padding: 15px;
        margin-bottom: 20px;
        border-radius: 4px;
        color: var(--info-text);
    }