/* Banner Section */
        .banner-section {
            position: relative;
            height: 300px;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .banner-image {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 1;
        }

        .banner-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.1) 50%, transparent 100%);
            z-index: 2;
        }

        .banner-content {
            position: relative;
            z-index: 3;
            text-align: center;
            color: var(--white);
            padding: 0 20px;
        }

        .banner-title {
            font-size: 42px;
            font-weight: 800;
            margin-bottom: 15px;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        }

        .banner-subtitle {
            font-size: 18px;
            font-weight: 400;
            opacity: 0.9;
            max-width: 600px;
            margin: 0 auto;
        }

        /* Main Content Section */
        .main-content {
            padding: 60px 20px;
            background-color: var(--white);
            min-height: 600px;
        }

        .content-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .content-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .content-title {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 15px;
            background: var(--secondary-color);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .content-subtitle {
            font-size: 18px;
            color: var(--text-light);
            max-width: 700px;
            margin: 0 auto;
            line-height: 1.6;
        }

        /* PDF Viewer Section */
        .pdf-viewer-section {
            background-color: var(--white);
            border-radius: 16px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
            overflow: hidden;
            margin-bottom: 40px;
        }

        .pdf-header {
            background: rgb(182, 7, 7, 1);
            color: var(--white);
            padding: 20px 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .pdf-title {
            font-size: 20px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .pdf-icon {
            width: 24px;
            height: 24px;
        }

        .pdf-actions {
            display: flex;
            gap: 15px;
        }

        .pdf-action-btn {
            padding: 8px 16px;
            background-color: rgba(255, 255, 255, 0.2);
            color: var(--white);
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-size: 14px;
            font-weight: 500;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .pdf-action-btn:hover {
            background-color: rgba(255, 255, 255, 0.3);
            transform: translateY(-2px);
        }

        .pdf-controls {
            padding: 20px 30px;
            background-color: var(--bg-light);
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid var(--border-color);
        }

        .control-group {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .control-label {
            font-size: 14px;
            color: var(--text-light);
            font-weight: 500;
        }

        .zoom-controls {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .zoom-btn {
            width: 32px;
            height: 32px;
            border: 1px solid var(--border-color);
            background-color: var(--white);
            border-radius: 6px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }

        .zoom-btn:hover {
            background-color: var(--primary-color);
            color: var(--white);
            border-color: var(--primary-color);
        }

        .page-info {
            font-size: 14px;
            color: var(--text-light);
        }

        .pdf-viewer {
            position: relative;
            width: 100%;
            height: 600px;
            background-color: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        #pdfCanvas {
            max-width: 100%;
            max-height: 100%;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
            border-radius: 8px;
        }

        /* PDF Information Section */
        .pdf-info-section {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 30px;
            margin-top: 40px;
        }

        .info-card {
            background-color: var(--white);
            border-radius: 12px;
            padding: 25px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
        }

        .info-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .info-list {
            list-style: none;
        }

        .info-item {
            display: flex;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-color);
            font-size: 14px;
        }

        .info-item:last-child {
            border-bottom: none;
        }

        .info-label {
            color: var(--text-light);
            font-weight: 500;
        }

        .info-value {
            color: var(--text-dark);
            font-weight: 600;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .nav-menu-wrapper {
                display: none;
            }

            .nav-menu {
                position: fixed;
                left: -100%;
                top: 70px;
                flex-direction: column;
                background-color: var(--white);
                width: 100%;
                text-align: center;
                transition: 0.3s;
                box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
                padding: 20px 0;
            }

            .nav-menu.active {
                left: 0;
            }

            .mobile-menu-toggle {
                display: flex;
            }

            .banner-title {
                font-size: 32px;
            }

            .banner-subtitle {
                font-size: 16px;
            }

            .content-title {
                font-size: 28px;
            }

            .pdf-info-section {
                grid-template-columns: 1fr;
            }

            .pdf-controls {
                flex-direction: column;
                gap: 15px;
            }

            .footer-content {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            
            .footer-bottom {
                flex-direction: column;
                gap: 20px;
                text-align: center;
            }
        }

        @media (max-width: 576px) {
            .banner-title {
                font-size: 24px;
            }

            .content-title {
                font-size: 24px;
            }

            .pdf-header {
                flex-direction: column;
                gap: 15px;
            }

            .pdf-actions {
                flex-wrap: wrap;
                justify-content: center;
            }
        }