/* Video-specific styles */
        .video-hero {
            width: 100%;
            height: 100vh;
            position: relative;
            background: #000;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .video-container {
            position: relative;
            width: 100%;
            height: 0;
            padding-bottom: 56.25%; /* 16:9 aspect ratio */
            max-width: 100vw;
            max-height: 100vh;
        }

        .video-container iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: none;
        }

        /* Ensure video fits within viewport */
        @media (max-aspect-ratio: 16/9) {
            .video-container {
                width: 177.78vh; /* 16:9 ratio based on viewport height */
                height: 100vh;
                padding-bottom: 0;
            }
        }

        /* Mobile optimizations */
        @media (max-width: 768px) {
            .video-hero {
                height: 56.25vw; /* Maintain 16:9 aspect ratio */
                min-height: 200px;
                max-height: 60vh;
            }
            
            .video-container {
                width: 100%;
                height: 100%;
                padding-bottom: 0;
            }
        }

        @media (max-width: 480px) {
            .video-hero {
                height: 56.25vw;
                min-height: 180px;
                max-height: 50vh;
            }
        }

        /* Video content styling */
        .video-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 60px 40px;
        }

        .video-title {
            font-size: 3rem;
            font-weight: normal;
            margin-top: 1rem;
            margin-bottom: 1rem;
            color: #333;
            line-height: 1.2;
        }

        .video-meta {
            display: flex;
            gap: 2rem;
            margin-bottom: 2rem;
            font-size: 1rem;
            color: #666;
        }

        .video-date {
            font-weight: 500;
        }

        .video-duration {
            font-weight: 500;
        }

        .video-description {
            font-size: 1.1rem;
            line-height: 1.7;
            color: #555;
            margin-bottom: 2rem;
        }

        .video-topics {
            margin: 3rem 0;
        }

        .video-topics h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: #333;
        }

        .topics-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1rem;
            list-style: none;
            padding: 0;
        }

        .topics-list li {
            background: #f8f9fa;
            padding: 1rem;
            border-left: 4px solid #667eea;
            border-radius: 0 8px 8px 0;
            font-size: 1rem;
            color: #555;
        }

        .video-transcript {
            margin: 3rem 0;
        }

        .video-transcript h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: #333;
        }

        .transcript-content {
            background: #f8f9fa;
            padding: 2rem;
            border-radius: 8px;
            border: 1px solid #e9ecef;
            max-height: 300px;
            overflow-y: auto;
            font-size: 1rem;
            line-height: 1.6;
            color: #555;
        }

        .related-videos {
            margin: 3rem 0;
        }

        .related-videos h3 {
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            color: #333;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

        .related-item {
            background: #fff;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
            text-decoration: none;
            color: inherit;
        }

        .related-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.15);
            text-decoration: none;
            color: inherit;
        }

        .related-thumbnail {
            position: relative;
            width: 100%;
            height: 200px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .related-thumbnail img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .related-content {
            padding: 1.5rem;
        }

        .related-title {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: #333;
            line-height: 1.3;
        }

        .related-description {
            font-size: 0.9rem;
            color: #666;
            line-height: 1.5;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .video-content {
                padding: 40px 20px;
            }

            .video-title {
                font-size: 2rem;
            }

            .video-meta {
                flex-direction: column;
                gap: 0.5rem;
            }

            .topics-list {
                grid-template-columns: 1fr;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 480px) {
            .video-content {
                padding: 30px 15px;
            }

            .video-title {
                font-size: 1.8rem;
            }

            .transcript-content {
                padding: 1.5rem;
            }
        }