/* ===== Header/Footer CSS ===== */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: 'Poppins', sans-serif;
            line-height: 1.6;
            color: #333;
            scroll-behavior: smooth;
            background-color: #f8f9fa;
        }

        /* Header */
        .header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 1rem;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            text-decoration: none;
            color: white;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

        .nav-link {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }

        .nav-link:hover,
        .nav-link.active {
            color: #f0f0f0;
        }

        /* Main Article Styles */
        main {
            max-width: 900px;
            margin: 40px auto;
            padding: 0 20px;
        }

        .Popular-card {
            background-color: #fff;
            padding: 30px 25px;
            border-radius: 15px;
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
            margin-bottom: 40px;
        }
        
        .feature-image {
            width: 100%;
            height: auto;      /* fixed height for consistency */
            overflow: hidden;
            }

        .article-title {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: #222;
        }

        .article-section {
            margin-bottom: 30px;
        }

        .article-section h2 {
            font-size: 1.6rem;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .article-section h3 {
            font-size: 1.3rem;
            font-weight: 500;
            margin-bottom: 8px;
        }

        .article-section h4 {
            font-size: 1.1rem;
            font-weight: 500;
            margin-bottom: 6px;
        }

        .article-section p {
            font-size: 1rem;
            color: #555;
            line-height: 1.8;
            margin-bottom: 15px;
        }

        .article-section ul {
            margin: 10px 0;
            padding-left: 20px;
        }

        .article-section li {
            margin-bottom: 8px;
        }

        .article-img {
            width: 100%;
            height: auto;
            border-radius: 10px;
            margin: 20px 0;
        }

        .btn {
            display: inline-block;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 10px 18px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 500;
            transition: background 0.3s;
        }

        .btn:hover {
            background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
        }

        .category {
            font-size: 0.85rem;
            color: #999;
            margin-top: 10px;
        }

        /* Footer */
        .footer {
            background: #2c3e50;
            color: white;
            padding: 3rem 0 1rem;
            margin-top: 4rem;
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }

        .footer-section h3 {
            margin-bottom: 1rem;
            color: #ecf0f1;
        }

        .footer-links {
            list-style: none;
            padding: 0;
        }

        .footer-links li {
            margin-bottom: 0.5rem;
        }

        .footer-links a {
            color: #bdc3c7;
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-links a:hover {
            color: #3498db;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #34495e;
            color: #95a5a6;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .nav-menu {
                flex-direction: column;
                gap: 1rem;
            }
        }