.blurb {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
            font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
        }
        .intro {
            font-size: 1.1em;
            line-height: 1.6;
            margin-bottom: 40px;
            color: #34495e;
        }
        .timeline-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .timeline-item {
            background: #f8f9fa;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
            transition: transform 0.2s ease;
        }
        .timeline-item:hover {
            transform: translateY(-5px);
        }
        .timeline-item h3 {
            color: #2980b9;
            margin-top: 0;
        }
        .formats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .format-card {
            background: #ffffff;
            border-radius: 8px;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
            transition: transform 0.2s ease;
        }
        .format-card:hover {
            transform: translateY(-5px);
        }
        .format-card summary {
            font-size: 1.2rem;
            font-weight: 600;
            color: #34495e;
            padding: 15px;
            cursor: pointer;
            border-radius: 8px;
            background: #f8f9fa;
            display: inline;
        }
        .format-content {
            padding: 15px;
        }
        .format-content ul {
            list-style-type: none;
            padding-left: 0;
        }
        .format-content li {
            margin-bottom: 8px;
            padding-left: 20px;
            position: relative;
        }
        .format-content li:before {
            content: "•";
            color: #3498db;
            position: absolute;
            left: 0;
        }
        fieldset {
            border: none;
            padding: 0;
            margin: 0;
        }
        /* Accessibility improvements */
        *:focus {
            outline: 2px solid #3498db;
            outline-offset: 2px;
        }
        .timeline-item:hover {
            outline: 2px solid #3498db;
            outline-offset: 2px;
            cursor: pointer;
        }
        /* Responsive design */
        @media (max-width: 768px) {

            .timeline-grid,
            .formats-grid {
                grid-template-columns: 1fr;
            }

            .blurb {
                padding: 15px;
            }
        }