/* Custom Styles & Resets */
        body {
            background-color: #F8FAFC; /* Soft Cloud White */
            color: #1F2937; /* Charcoal */
            overflow-x: hidden;
        }

        /* Subtle Grid Overlay for "Data" feel */
        .grid-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 0;
            opacity: 0.03;
            background-size: 40px 40px;
            background-image:
                linear-gradient(to right, #0B1E3F 1px, transparent 1px),
                linear-gradient(to bottom, #0B1E3F 1px, transparent 1px);
        }

        /* Scrollbar Styling */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #F8FAFC; 
        }
        ::-webkit-scrollbar-thumb {
            background: #cbd5e1; 
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #10B981; 
        }

        /* Utility Classes */
        .btn-primary {
            font-family: 'Manrope', sans-serif;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        .nav-link {
            position: relative;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: -4px;
            left: 0;
            background-color: #10B981;
            transition: width 0.3s ease;
        }
        .nav-link:hover::after {
            width: 100%;
        }

        /* Product Card Hover */
        .product-card {
            transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s ease;
        }
        .product-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        .product-card:hover .quick-view-btn {
            opacity: 1;
            transform: translateY(0);
        }

        /* Modal Transitions */
        .modal {
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }
        .modal-active {
            opacity: 1;
            visibility: visible;
        }
        .modal-hidden {
            opacity: 0;
            visibility: hidden;
        }
        
        /* Glassmorphism for dark headers */
        .glass-dark {
            background: rgba(11, 30, 63, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        /* Toast Notification */
        #toast {
            visibility: hidden;
            min-width: 250px;
            background-color: #10B981;
            color: #fff;
            text-align: center;
            border-radius: 4px;
            padding: 16px;
            position: fixed;
            z-index: 100;
            left: 50%;
            bottom: 30px;
            transform: translateX(-50%);
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
            opacity: 0;
            transition: opacity 0.5s, bottom 0.5s;
        }
        #toast.show {
            visibility: visible;
            opacity: 1;
            bottom: 50px;
        }