* {
            font-family: 'Montserrat', sans-serif;
        }
        .montserrat-bold {
            font-family: 'Montserrat', sans-serif;
            font-weight: 700;
        }
        .fade-in {
            animation: fadeIn 1s ease-in-out;
        }
        .slide-up {
            animation: slideUp 0.8s ease-out;
        }
        .scale-hover:hover {
            transform: scale(1.03);
        }
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        @keyframes slideUp {
            from { transform: translateY(30px); opacity: 0; }
            to { transform: translateY(0); opacity: 1; }
        }
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }
        .tab-content {
            display: none;
        }
        .tab-content.active {
            display: block;
            animation: fadeIn 0.5s ease-in-out;
        }
        .modal {
            display: none;
            position: fixed;
            z-index: 100;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.9);
            justify-content: center;
            align-items: center;
        }
        .modal-content {
            max-width: 90%;
            max-height: 90%;
        }
        .modal-close {
            position: absolute;
            top: 20px;
            right: 20px;
            color: white;
            font-size: 30px;
            cursor: pointer;
        }

          .pdf-viewer-modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.75);
            z-index: 1000;
            overflow: auto;
        }
        
        .pdf-viewer-content {
            position: relative;
            background-color: #fefefe;
            margin: 2% auto;
            padding: 20px;
            width: 90%;
            max-width: 900px;
            border-radius: 12px;
            height: 90%;
        }
        
        .close-pdf {
            position: absolute;
            top: 15px;
            right: 20px;
            font-size: 28px;
            font-weight: bold;
            color: #6366f1;
            cursor: pointer;
        }
        
        #pdf-container {
            width: 100%;
            height: calc(100% - 60px);
            overflow: auto;
            margin-top: 20px;
        }
        
        .pdf-controls {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin: 15px 0;
        }
        
        .pdf-page-info {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .pdf-control-btn {
            background-color: #6366f1;
            color: white;
            border: none;
            border-radius: 8px;
            padding: 8px 16px;
            cursor: pointer;
            font-weight: 600;
            transition: background-color 0.3s;
        }
        
        .pdf-control-btn:hover {
            background-color: #4f46e5;
        }
        
        .pdf-control-btn:disabled {
            background-color: #c7d2fe;
            cursor: not-allowed;
        }
        
        @media (max-width: 768px) {
            .pdf-viewer-content {
                width: 95%;
                margin: 5% auto;
                padding: 15px;
                height: 85%;
            }
            
            .pdf-controls {
                flex-wrap: wrap;
            }
        }