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

        :root {
            --primary-color: #3E67A3;
            --secondary-color: #03A180;
            --accent-color: #BBE7F4;
            --light-color: #f8fafc;
            --dark-color: #1e293b;
            --text-color: #334155;
            --shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
            --border-radius: 10px;
        }

        body {
            font-family: 'Tajawal', sans-serif;
            line-height: 1.8;
            color: var(--text-color);
            background: linear-gradient(135deg, #f5f7fa 0%, #e9ecf2 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        

        .main-content {
            flex: 1;
            max-width: 1200px;
            width: 100%;
            margin: 40px auto;
            padding: 0 20px;
        }

        .page-title {
            color: var(--primary-color);
            font-size: 2.5rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 15px;
        }

        .page-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 4px;
            background: linear-gradient(to left, var(--primary-color), var(--secondary-color));
            border-radius: 2px;
        }

        .title-decoration {
            text-align: center;
            margin-bottom: 50px;
            color: var(--secondary-color);
            font-size: 1.2rem;
            font-weight: 500;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }

        .title-decoration i {
            font-size: 1.4rem;
            color: var(--primary-color);
        }

        .pdf-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            margin-top: 20px;
        }

        .pdf-card {
            background: white;
            border-radius: var(--border-radius);
            padding: 30px 25px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid rgba(62, 103, 163, 0.1);
            text-align: center;
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            align-items: center;
            backdrop-filter: blur(10px);
            background: rgba(255, 255, 255, 0.95);
        }

        .pdf-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            transition: var(--transition);
        }

        .pdf-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 30px rgba(62, 103, 163, 0.2);
        }

        .pdf-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            box-shadow: 0 10px 20px rgba(3, 161, 128, 0.3);
        }

        .pdf-icon i {
            font-size: 40px;
            color: white;
        }

        .pdf-title {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 10px;
            width: 100%;
            line-height: 1.4;
        }

        .pdf-description {
            font-size: 1rem;
            color: var(--text-color);
            margin-bottom: 20px;
            opacity: 0.8;
            flex-grow: 1;
        }

        .pdf-meta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 15px;
            margin-bottom: 25px;
            font-size: 0.9rem;
            color: var(--secondary-color);
            width: 100%;
            background: var(--accent-color);
            padding: 8px 15px;
            border-radius: 50px;
        }

        .pdf-meta i {
            margin-left: 5px;
            color: var(--primary-color);
        }

        .pdf-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 14px 35px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            width: 100%;
            box-shadow: 0 4px 15px rgba(62, 103, 163, 0.3);
            letter-spacing: 0.5px;
        }

        .pdf-btn:hover {
            background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
            transform: scale(1.03);
            box-shadow: 0 8px 25px rgba(3, 161, 128, 0.4);
        }

        .pdf-btn i {
            font-size: 1.2rem;
        }

        .badge-new {
            position: absolute;
            top: 15px;
            left: 15px;
            background: var(--secondary-color);
            color: white;
            padding: 5px 15px;
            border-radius: 25px;
            font-size: 0.8rem;
            font-weight: 700;
            box-shadow: 0 2px 10px rgba(3, 161, 128, 0.3);
            z-index: 1;
        }

         .back-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 14px 40px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            margin-top: 30px;
            box-shadow: 0 4px 15px rgba(62, 103, 163, 0.3);
        }

        .back-btn:hover {
            background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
            transform: scale(1.05);
            box-shadow: 0 8px 25px rgba(3, 161, 128, 0.4);
        }

        .back-btn i {
            font-size: 1.1rem;
        }

        @media (max-width: 768px) {
            .main-content {
                margin: 30px auto;
                padding: 0 15px;
            }

            .page-title {
                font-size: 2rem;
            }
            
            .pdf-grid {
                grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
                gap: 20px;
            }
            
            .pdf-card {
                padding: 25px 20px;
            }
            
            .pdf-title {
                font-size: 1.2rem;
            }
            
            .pdf-btn {
                padding: 12px 25px;
                font-size: 1rem;
            }
        }

        @media (max-width: 480px) {
            .main-content {
                margin: 20px auto;
                padding: 0 10px;
            }
            
            .page-title {
                font-size: 1.8rem;
            }
            
            .title-decoration {
                font-size: 1rem;
            }
            
            .pdf-grid {
                grid-template-columns: 1fr;
            }
            
            .pdf-meta {
                flex-wrap: wrap;
                gap: 10px;
            }

             .back-btn {
                padding: 12px 30px;
                font-size: 1rem;
            }
        }