:root {
            --primary-color: #8B4513;
            --secondary-color: #CD853F;
            --accent-color: #D2691E;
            --light-color: #F5F5DC;
            --dark-color: #5D4037;
            --text-color: #333;
            --white: #fff;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Noto Sans Sinhala', sans-serif;
            /* font-family: 'Abhaya Libre', sans-serif; */
            line-height: 1.6;
            color: var(--text-color);
            background-color: var(--light-color);
        }
        
        /* Header Styles */
        header {
            background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
            color: var(--white);
            padding: 1.5rem 0;
            text-align: center;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        
        header h1 {
            font-size: 1.8rem;
            margin-bottom: 0.5rem;
            font-weight: 700;
        }
        
        header p {
            font-size: 1.1rem;
            opacity: 0.9;
        }
        

        /* Main Content */


        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem;
        }
        
        .page-title {
            text-align: center;
            margin-bottom: 2rem;
            color: var(--primary-color);
        }
        
        .page-title h1 {
            font-size: 2.2rem;
            margin-bottom: 0.5rem;
        }
        
        .page-title p {
            font-size: 1.2rem;
            color: var(--dark-color);
        }
        
        .youtube-link {
            display: block;
            text-align: center;
            margin: 2rem 0;
            padding: 1rem;
            background-color: var(--white);
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            text-decoration: none;
            color: var(--primary-color);
            font-weight: bold;
            transition: all 0.3s;
        }
        
        .youtube-link:hover {
            background-color: var(--secondary-color);
            color: var(--white);
            transform: translateY(-2px);
        }
        
        .youtube-link i {
            margin-right: 8px;
        }
        
        /* Video Grid */
        .video-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 2rem;
        }
        
        .video-card {
            background-color: var(--white);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        
        .video-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
        }
        
        .video-card iframe {
            width: 100%;
            height: 200px;
            border: none;
        }
        
        .video-info {
            padding: 1rem;
        }
        
        .video-info h3 {
            color: var(--primary-color);
            margin-bottom: 0.5rem;
            font-size: 1.1rem;
        }
        
        .video-number {
            display: inline-block;
            background-color: var(--accent-color);
            color: var(--white);
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.9rem;
            margin-bottom: 0.5rem;
        }
        
        /* Footer */
        footer {
            background-color: var(--dark-color);
            color: var(--white);
            text-align: center;
            padding: 1.5rem 0;
            margin-top: 3rem;
        }
        
        /* Responsive Design */
        @media screen and (max-width: 768px) {
            .topnav a:not(:first-child), .dropdown .dropbtn {
                display: none;
            }
            
            .topnav a.icon {
                float: right;
                display: block;
            }
            
            .topnav.responsive {
                position: relative;
            }
            
            .topnav.responsive .icon {
                position: absolute;
                right: 0;
                top: 0;
            }
            
            .topnav.responsive a {
                float: none;
                display: block;
                text-align: left;
            }
            
            .topnav.responsive .dropdown {
                float: none;
            }
            
            .topnav.responsive .dropdown-content {
                position: relative;
            }
            
            .topnav.responsive .dropdown .dropbtn {
                display: block;
                width: 100%;
                text-align: left;
            }
            
            .video-grid {
                grid-template-columns: 1fr;
            }
            
            header h1 {
                font-size: 1.5rem;
            }
            
            .page-title h1 {
                font-size: 1.8rem;
            }
        }