.brochure-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.85);
            z-index: 9999;
            display: flex;
            justify-content: center;
            align-items: center;
            opacity: 1;
            transition: opacity 0.5s ease;
            padding: 20px;
        }
        
        .brochure-modal.hidden {
            opacity: 0;
            pointer-events: none;
        }
        
        .brochure-content {
            background: white;
            border-radius: 12px;
            max-width: 95%;
            max-height: 95%;
            overflow: auto;
            position: relative;
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
            animation: modalAppear 0.5s ease;
            display: flex;
            flex-direction: column;
        }
        
        @keyframes modalAppear {
            from {
                transform: scale(0.8);
                opacity: 0;
            }
            to {
                transform: scale(1);
                opacity: 1;
            }
        }
        
        .brochure-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px;
            border-bottom: 1px solid #eee;
            background: #f8f9fa;
            border-radius: 12px 12px 0 0;
        }
        
        .brochure-header h3 {
            margin: 0;
            color: #2c3e50;
            font-weight: 600;
        }
        
        .close-brochure {
            background: none;
            border: none;
            font-size: 28px;
            cursor: pointer;
            color: #6c757d;
            transition: color 0.3s;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
        }
        
        .close-brochure:hover {
            background-color: #e9ecef;
            color: #e74c3c;
        }
        
        .brochure-body {
            padding: 20px;
            text-align: center;
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }
        
        .brochure-image {
            max-width: 100%;
            max-height: 100%;
            height: auto;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            object-fit: contain;
        }
        
        .brochure-footer {
            padding: 20px;
            text-align: center;
            border-top: 1px solid #eee;
            background: #f8f9fa;
            border-radius: 0 0 12px 12px;
        }
        
        .enter-btn {
            background: #3498db;
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 6px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            transition: background 0.3s, transform 0.2s;
            box-shadow: 0 4px 6px rgba(52, 152, 219, 0.2);
        }
        
        .enter-btn:hover {
            background: #2980b9;
            transform: translateY(-2px);
        }
        
        .enter-btn:active {
            transform: translateY(0);
        }
        
        /* Responsive adjustments */
        @media (max-width: 768px) {
            .brochure-content {
                max-width: 98%;
                max-height: 98%;
            }
            
            .brochure-header {
                padding: 15px;
            }
            
            .brochure-body {
                padding: 15px;
            }
            
            .brochure-footer {
                padding: 15px;
            }
            
            .brochure-header h3 {
                font-size: 18px;
            }
            
            .close-brochure {
                font-size: 24px;
                width: 36px;
                height: 36px;
            }
        }
        
        @media (max-width: 480px) {
            .brochure-modal {
                padding: 10px;
            }
            
            .brochure-content {
                max-width: 100%;
                max-height: 100%;
                border-radius: 0;
            }
            
            .brochure-header {
                border-radius: 0;
            }
            
            .brochure-footer {
                border-radius: 0;
            }
            
            .enter-btn {
                width: 100%;
                padding: 15px;
            }
        }
        
        @media (min-width: 1200px) {
            .brochure-content {
                max-width: 1100px;
            }
        }
        
        @media (min-height: 800px) {
            .brochure-content {
                max-height: 800px;
            }
        }
        
        /* Main Website Content (Hidden Initially) */
        #mainContent {
            display: none;
            opacity: 0;
            transition: opacity 0.5s ease;
        }
        
        #mainContent.visible {
            opacity: 1;
        }
        
        /* Demo content to show after closing brochure */
        .demo-content {
            padding: 50px 20px;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }
        
        .demo-content h1 {
            color: #2c3e50;
            margin-bottom: 20px;
        }
        
        .demo-content p {
            font-size: 18px;
            line-height: 1.6;
            color: #555;
        }