/* --- 1. Theme Variables (H-Lift Industrial) --- */
    :root {
        --primary-color: #003366; /* Deep 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;
        --shadow-card: 0 4px 6px rgba(0,0,0,0.05);
        --shadow-hover: 0 8px 15px rgba(0,0,0,0.1);
        --safety-bg: #e8f5e9;
        --safety-text: #1b5e20;
        --safety-border: #c8e6c9;
    }

    /* --- 2. Global Reset & Typography --- */
    * { 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: 0;
        background-color: var(--bg-white);
        font-size: 16px;
        -webkit-font-smoothing: antialiased;
    }

    h1, h2, h3 { margin-top: 0; }

    /* --- 3. Layout Container --- */
    .container {
        max-width: 1280px;
        margin: 0 auto;
        padding: 40px 20px;
    }

    /* --- 4. Page Header --- */
    .page-header {
        text-align: center;
        margin-bottom: 40px;
        position: relative;
    }

    .page-header::after {
        content: '';
        display: block;
        width: 80px;
        height: 4px;
        background-color: var(--accent-color);
        margin: 15px auto 0;
        border-radius: 2px;
    }

    .page-header h1 {
        color: var(--primary-color);
        font-size: 36px;
        margin-bottom: 8px;
        font-family: 'Cambria', serif;
    }

    .sub-header {
        color: var(--text-light);
        font-weight: 500;
        font-size: 18px;
        text-transform: uppercase;
        letter-spacing: 1px;
    }

    /* --- 5. Intro Box --- */
    .intro-box {
        background-color: var(--bg-light);
        padding: 25px 30px;
        border-left: 6px solid var(--primary-color);
        margin-bottom: 40px;
        border-radius: 0 6px 6px 0;
        font-size: 1.05rem;
    }

    /* --- 6. Feature/Component Grid --- */
    .feature-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 20px;
        margin-bottom: 40px;
    }

    .feature-card {
        background: #fff;
        border: 1px solid var(--border-color);
        border-top: 4px solid var(--primary-color);
        border-radius: 4px;
        padding: 20px;
        box-shadow: var(--shadow-card);
        transition: transform 0.2s;
    }

    .feature-card:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-hover);
        border-color: var(--accent-color);
    }

    .feature-title {
        display: block;
        font-weight: 700;
        color: var(--primary-color);
        font-size: 17px;
        margin-bottom: 8px;
        border-bottom: 1px solid #eee;
        padding-bottom: 5px;
    }

    /* --- 7. Best Practices List --- */
    .practices-section {
        background-color: var(--safety-bg);
        color: var(--safety-text);
        border: 1px solid var(--safety-border);
        padding: 30px;
        border-radius: 8px;
        margin-bottom: 40px;
    }

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

    .practices-list li {
        position: relative;
        padding-left: 30px;
        margin-bottom: 15px;
    }

    .practices-list li:last-child { margin-bottom: 0; }

    .practices-list li::before {
        content: '✓';
        position: absolute;
        left: 0;
        top: 0;
        font-weight: bold;
        color: var(--accent-color);
        font-size: 1.2rem;
    }
    
    .practices-title {
        color: #1b5e20;
        margin-bottom: 20px;
        font-family: 'Cambria', serif;
        border-bottom: 2px solid #a5d6a7;
        padding-bottom: 10px;
        display: inline-block;
    }

    /* --- 8. Technical Specs Table --- */
    .section-title {
        color: var(--primary-color);
        font-size: 26px;
        margin-bottom: 20px;
        padding-left: 15px;
        border-left: 5px solid var(--accent-color);
    }

    .table-responsive-wrapper {
        width: 100%;
        overflow-x: auto;
        margin-bottom: 40px;
        border-radius: 6px;
        box-shadow: var(--shadow-card);
        border: 1px solid var(--border-color);
    }

    .spec-table {
        width: 100%;
        min-width: 1100px; /* Forces scroll on mobile */
        border-collapse: collapse;
        background: #fff;
        font-size: 14px;
    }

    .spec-table th, .spec-table td {
        padding: 12px 10px;
        text-align: center;
        border: 1px solid var(--border-color);
        vertical-align: middle;
    }

    .spec-table thead th {
        background-color: var(--primary-color);
        color: #ffffff;
        font-weight: 600;
    }

    .spec-table tbody tr:nth-child(even) { background-color: #f8f9fa; }
    .spec-table tbody tr:hover { background-color: #eef2f5; }

    .col-size { font-weight: bold; color: var(--primary-color); background-color: #f0f4f8; }
    .col-code { font-family: 'Consolas', monospace; color: #555; font-size: 13px; }