/* --- NEW LOADING OVERLAY STYLES --- */
        .loading-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.85);
            z-index: 10000;
            display: none; /* Managed dynamically by JS */
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: #D4AF37;
            text-align: center;
            backdrop-filter: blur(4px);
        }
        .loading-overlay i { font-size: 4rem; margin-bottom: 20px; }
        .loading-overlay h2 { font-weight: 800; letter-spacing: 1px; margin: 0; color: #fff; }
        .loading-overlay p { color: #D4AF37; font-size: 1.1rem; margin-top: 10px; }
        /* ---------------------------------- */

        .reliability-callout {
            background: #fdfae6;
            border: 2px solid #D4AF37;
            padding: 20px;
            border-radius: 8px;
            color: #333;
            font-size: 1.15rem; 
            line-height: 1.6;
            margin-bottom: 25px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.05);
        }
        .reliability-callout i { color: #D4AF37; font-size: 1.4rem; margin-right: 12px; }
        .reliability-callout strong { color: #0056b3; }
        
        .hazard-data-header {
            background: #1a1a1a;
            color: #D4AF37;
            padding: 20px;
            border-radius: 8px;
            border-bottom: 4px solid #D4AF37;
            margin-bottom: 25px;
        }

        .seo-intro {
            background: #fff;
            padding: 20px 25px;
            border-radius: 8px;
            border-left: 5px solid #0056b3;
            margin-bottom: 25px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
            line-height: 1.7;
            color: #444;
            font-size: 1.05rem;
        }

        .seo-intro strong {
            color: #1a1a1a;
        }

        .bookmark-cta {
            background: #D4AF37;
            color: #1a1a1a;
            padding: 15px 30px;
            border: none;
            border-radius: 6px;
            font-weight: 800;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.2s ease;
            box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            max-width: 400px;
            margin: 10px auto 30px auto;
        }
        .bookmark-cta:hover {
            transform: translateY(-2px);
            background: #b8962f;
            box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
        }
        .bookmark-cta i { margin-right: 10px; font-size: 1.3rem; }
        
        .print-btn:hover {
            background: #2a2a2a !important;
            box-shadow: 0 6px 20px rgba(0,0,0,0.3) !important;
            transform: translateY(-2px);
        }
        
        /* Print Button Highlight Animation */
        @keyframes pulse-highlight {
            0%, 100% {
                box-shadow: 0 4px 10px rgba(0,0,0,0.15), 0 0 30px rgba(212, 175, 55, 0.6);
            }
            50% {
                box-shadow: 0 4px 10px rgba(0,0,0,0.15), 0 0 50px rgba(212, 175, 55, 0.9);
            }
        }
        
        .print-btn.highlight {
            animation: pulse-highlight 1.5s ease-in-out infinite;
            background: #2a2a2a !important;
            border: 2px solid #D4AF37; 
        }

        .narrative-box {
            background: #fff;
            padding: 25px;
            border-radius: 8px;
            border: 1px solid #ddd;
            line-height: 1.7;
            min-height: 100px;
        }
        .ai-input-group {
            display: flex;
            gap: 10px;
            margin-bottom: 15px;
        }
        #ai-text-input {
            flex-grow: 1;
            padding: 12px;
            border: 1px solid #ccc;
            border-radius: 4px;
        }
        #ai-response-display {
            background: #f9f9f9;
            padding: 20px;
            border-radius: 8px;
            border-left: 5px solid #D4AF37;
            display: none; 
            margin-top: 15px;
            max-height: 500px;
            overflow-y: auto;
            line-height: 1.8;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: #333;
        }

        #ai-response-display::-webkit-scrollbar { width: 8px; }
        #ai-response-display::-webkit-scrollbar-thumb { background: #D4AF37; border-radius: 4px; }
        #ai-response-display::-webkit-scrollbar-track { background: #f1f1f1; }

        /* Mega Teaser Grid Styles */
        .teaser-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 22px 25px;
            border-radius: 8px;
            color: #e0e0e0;
            display: flex;
            align-items: center;
            transition: all 0.3s ease;
            text-align: left;
        }
        .teaser-item i {
            color: #D4AF37;
            font-size: 1.8rem;
            margin-right: 20px;
            min-width: 35px;
            text-align: center;
        }
        .teaser-item:hover {
            border-color: #D4AF37;
            background: rgba(212, 175, 55, 0.05);
            transform: translateY(-4px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.5);
        }
        .teaser-item.highlight i {
            color: #c41e3a;
        }
        /* Subscription Plans Modal */
        #plans-modal .modal-content {
            max-width: 1000px;
            width: 95%;
            padding: 50px 40px;
        }
        /* Plan Cards */
        .plans-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }
        .plan-card {
            border: 2px solid #eee;
            border-radius: 12px;
            padding: 35px 25px;
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
        }
        .plan-card.popular {
            border-color: #D4AF37;
            box-shadow: 0 15px 40px rgba(212, 175, 55, 0.15);
            transform: translateY(-10px);
        }
        .plan-card.popular::before {
            content: 'MOST POPULAR';
            position: absolute;
            top: -15px;
            left: 50%;
            transform: translateX(-50%);
            background: #D4AF37;
            color: #1a1a1a;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 800;
            letter-spacing: 1px;
        }
        .plan-card:hover {
            border-color: #D4AF37;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }
        .plan-name {
            font-size: 1.3rem;
            font-weight: 800;
            color: #1a1a1a;
            margin-bottom: 12px;
        }
        .plan-price {
            font-size: 2.5rem;
            font-weight: 800;
            color: #D4AF37;
            margin-bottom: 8px;
        }
        .plan-price-period {
            color: #999;
            font-size: 0.95rem;
            margin-bottom: 25px;
        }
        .plan-features {
            text-align: left;
            color: #666;
            font-size: 0.95rem;
            line-height: 2;
            margin-bottom: 30px;
            border-top: 1px solid #eee;
            border-bottom: 1px solid #eee;
            padding: 20px 0;
        }
        .plan-features li {
            list-style: none;
            padding-left: 24px;
            position: relative;
        }
        .plan-features li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: #D4AF37;
            font-weight: bold;
        }
        .plan-select-btn {
            width: 100%;
            padding: 12px 24px;
            background: #1a1a1a;
            color: #fff;
            border: 2px solid #1a1a1a;
            border-radius: 6px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .plan-card.popular .plan-select-btn {
            background: #D4AF37;
            color: #1a1a1a;
            border-color: #D4AF37;
        }
        .plan-select-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        .plan-card.popular .plan-select-btn:hover {
            background: #b8962f;
            border-color: #b8962f;
        }
        .view-all-btn {
            text-align: center;
            margin-top: 30px;
        }
        .view-all-btn a {
            color: #0056b3;
            text-decoration: none;
            font-weight: 700;
            transition: all 0.2s ease;
        }
        .view-all-btn a:hover {
            color: #D4AF37;
        }        
        /* Billing Toggle Button Styles */
        .billing-toggle-btn {
            padding: 10px 24px;
            border: 2px solid #ddd;
            background: white;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 700;
            font-size: 0.95rem;
            transition: all 0.2s ease;
            color: #666;
        }
        
        .billing-toggle-btn.active {
            background: #D4AF37;
            color: #1a1a1a;
            border-color: #D4AF37;
        }
        
        .billing-toggle-btn:hover {
            border-color: #D4AF37;
        }