/* --- 1. Global Variables & Reset --- */
        :root {
            --primary: #ec682e;       /* Brand Orange */
            --primary-hover: #d35400;
            --primary-light: rgba(236, 104, 46, 0.05);
            
            --bg-white: #ffffff;
            --bg-gray: #f9fafb;       /* Section Background */
            
            --text-main: #111827;     /* Dark Headings */
            --text-body: #4b5563;     /* Grey Text */
            --text-light: #9ca3af;    /* Light Grey */
            
            --border-color: #e5e7eb;
            --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
            --shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
            
            --font-main: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --transition: all 0.3s ease;
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }

        body {
            font-family: var(--font-main);
            background-color: var(--bg-white);
            color: var(--text-body);
            line-height: 1.6;
            overflow-x: hidden;
        }

        a { text-decoration: none; color: inherit; }
        img { max-width: 100%; display: block; }

        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

        /* Buttons & Badges */
        .btn {
            display: inline-block; padding: 10px 0; width: 100%; border-radius: 6px; 
            font-weight: 600; font-size: 0.95rem; transition: var(--transition); 
            text-align: center; border: 1px solid transparent;
        }
        .btn-primary { 
            background: var(--primary); color: #fff; 
            box-shadow: 0 4px 10px rgba(236, 104, 46, 0.2); 
        }
        .btn-primary:hover { 
            background: var(--primary-hover); transform: translateY(-2px); 
        }
        .btn-outline {
            background: transparent; color: var(--text-main); border-color: var(--border-color);
        }
        .btn-outline:hover {
            border-color: var(--primary); color: var(--primary); background: #fff;
        }

        .badge {
            display: inline-block; padding: 4px 8px; border-radius: 4px; 
            font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .badge-new { background: var(--primary); color: #fff; }
        .badge-hot { background: #1f2937; color: #fff; }
        .badge-atex { background: #f59e0b; color: #fff; }

        /* --- 2. Hero Section --- */
        .products-hero {
            padding: 100px 0 80px 0;
            background: linear-gradient(to bottom, #fff 0%, var(--bg-gray) 100%);
            text-align: center;
            border-bottom: 1px solid var(--border-color);
        }
        .products-hero h1 {
            font-size: 3rem; color: var(--text-main); font-weight: 800; margin-bottom: 20px;
        }
        .products-hero h1 span { color: var(--primary); }
        .products-hero p {
            font-size: 1.25rem; color: var(--text-body); max-width: 800px; margin: 0 auto;
        }

        /* --- 3. Layout Structure --- */
        .category-section { padding: 80px 0; border-bottom: 1px solid var(--border-color); }
        .category-header { margin-bottom: 50px; text-align: left; }
        .cat-title { display: flex; align-items: center; margin-bottom: 10px; }
        .cat-title h2 { font-size: 2.2rem; color: var(--text-main); margin-right: 15px; font-weight: 700; }
        .cat-line { flex: 1; height: 1px; background: var(--border-color); }
        .category-header p { color: var(--text-body); font-size: 1.1rem; max-width: 800px; margin-top: 10px; }

        /* Product Grid */
        .product-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 30px;
        }

        .product-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .product-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-5px);
        }

        .card-badges { position: absolute; top: 15px; left: 15px; z-index: 10; display: flex; gap: 6px; }

        .card-img {
            height: 260px;
            background: #f9fafb;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            overflow: hidden;
        }
        .card-img img {
            max-height: 100%;
            width: auto;
            transition: transform 0.5s ease;
            mix-blend-mode: multiply; 
        }
        .product-card:hover .card-img img { transform: scale(1.08); }

        .card-body { padding: 25px; flex: 1; display: flex; flex-direction: column; }
        .card-body h3 { font-size: 1.4rem; color: var(--text-main); margin-bottom: 8px; font-weight: 700; }
        .model-code { font-size: 0.85rem; color: var(--text-light); font-weight: 600; margin-bottom: 12px; display: block; text-transform: uppercase; }
        .card-body p { color: var(--text-body); font-size: 0.95rem; margin-bottom: 20px; flex: 1; }
        
        .specs-list {
            display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 25px;
        }
        .spec-tag {
            background: var(--bg-gray); color: var(--text-body); 
            font-size: 0.8rem; padding: 4px 10px; border-radius: 4px; font-weight: 500; border: 1px solid var(--border-color);
        }

        /* Animation */
        .fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
        .fade-in.visible { opacity: 1; transform: translateY(0); }

        /* Responsive */
        @media (max-width: 768px) {
            .products-hero h1 { font-size: 2.5rem; }
            .product-grid { grid-template-columns: 1fr; }
        }