/* marycarnsauthor styles */
* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.6;
            color: #333;
        }
        
        nav {
            background: #2c3e50;
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 100;
        }
        
        nav ul {
            list-style: none;
            display: flex;
            gap: 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        
        nav a {
            color: white;
            text-decoration: none;
            font-weight: 500;
        }
        
        nav a:hover {
            color: #3498db;
        }
        
        .hero {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 4rem 2rem;
            text-align: center;
        }
        
        .hero h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }
        
        .hero p {
            font-size: 1.25rem;
            max-width: 700px;
            margin: 0 auto;
            opacity: 0.95;
        }
        
        .container {
            max-width: 800px;
            margin: 0 auto;
            padding: 3rem 2rem;
        }
        
        .content-section {
            margin-bottom: 3rem;
        }
        
        .content-section h2 {
            color: #2c3e50;
            margin-bottom: 1rem;
            font-size: 1.75rem;
        }
        
        .content-section p {
            margin-bottom: 1rem;
            font-size: 1.1rem;
        }
        
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        
        .topic-card {
            background: #f8f9fa;
            border-radius: 8px;
            padding: 1.5rem;
        }
        
        .topic-card h3 {
            color: #2c3e50;
            margin-bottom: 0.5rem;
            font-size: 1.25rem;
        }
        
        .topic-card p {
            font-size: 0.95rem;
            color: #555;
        }
        
        .newsletter-signup {
            background: #f8f9fa;
            border: 2px solid #3498db;
            border-radius: 8px;
            padding: 2rem;
            margin: 3rem 0;
        }
        
        .newsletter-signup h3 {
            color: #2c3e50;
            margin-bottom: 1rem;
        }
        
        .newsletter-signup p {
            margin-bottom: 1.5rem;
            color: #555;
        }
        
        .form-group {
            margin-bottom: 1rem;
        }
        
        .form-group input[type="email"] {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 1rem;
        }
        
        .form-group input[type="email"]:focus {
            outline: none;
            border-color: #3498db;
        }
        
        .submit-btn {
            background: #3498db;
            color: white;
            border: none;
            padding: 0.75rem 2rem;
            font-size: 1rem;
            border-radius: 4px;
            cursor: pointer;
            font-weight: 600;
        }
        
        .submit-btn:hover {
            background: #2980b9;
        }
        
        .highlight-box {
            background: #f8f9fa;
            border-left: 4px solid #3498db;
            padding: 1.5rem;
            margin: 2rem 0;
        }
        
        footer {
            background: #2c3e50;
            color: white;
            text-align: center;
            padding: 2rem;
            margin-top: 4rem;
        }
        
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 1.75rem;
            }
            
            nav ul {
                flex-direction: column;
                gap: 1rem;
            }
            
            .topics-grid {
                grid-template-columns: 1fr;
            }
        }
.article {
            background: #f8f9fa;
            border-radius: 8px;
            padding: 2rem;
            margin-bottom: 2rem;
        }
        
        .article h2 {
            color: #2c3e50;
            margin-bottom: 1rem;
        }
        
        .article p {
            margin-bottom: 1rem;
            font-size: 1.1rem;
        }
        
        .article a {
            color: #3498db;
            text-decoration: none;
            font-weight: 600;
        }
        
        .article a:hover {
            text-decoration: underline;
        }
.credentials {
            background: #f8f9fa;
            border-radius: 8px;
            padding: 2rem;
            margin: 2rem 0;
        }
        
        .credentials h3 {
            color: #2c3e50;
            margin-bottom: 1rem;
        }
        
        .credentials ul {
            list-style: none;
            padding-left: 0;
        }
        
        .credentials li {
            padding: 0.5rem 0;
            padding-left: 1.5rem;
            position: relative;
        }
        
        .credentials li:before {
            content: "→";
            position: absolute;
            left: 0;
            color: #3498db;
        }