/* Header */
        .site-header {
            background: #fff;
            border-bottom: 1px solid #ddd;
            padding: 15px 0;
            position: relative;
        }

        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .site-logo img {
            max-width: 150px;
            height: auto;
        }

        .main-navigation ul {
            list-style: none;
            display: flex;
            gap: 30px;
        }

        .main-navigation a {
            text-decoration: none;
            color: #0a0a0a;
            font-weight: bold;
            transition: color 0.3s;
        }

        .main-navigation a:hover {
            color: #2b2bff;
        }

        /* Mobile Menu */
        .menu-toggle {
            display: none;
            background: transparent;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: #0a0a0a;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }

            .main-navigation {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid #ddd;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.3s ease-in-out;
            }

            .main-navigation.active {
                max-height: 300px;
                display: block;
                height:100%;
                z-index: 9999;
                height:100vh;
            }

            .main-navigation ul {
                flex-direction: column;
                gap: 0;
                padding: 0;
            }

            .main-navigation li {
                border-bottom: 1px solid #eee;
            }

            .main-navigation a {
                display: block;
                padding: 15px 20px;
            }

            .main-navigation a:hover {
                background: #f5f5f5;
            }
        }

        @media (max-width: 480px) {
            .site-logo img {
                max-width: 120px;
            }

            .header-container {
                padding: 0 15px;
            }
        }