/* Header */
        header {
            background-color: var(--light-color);
            padding: 20px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
        }

        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.5rem;
            color: var(--primary-color);
            font-weight: bold;
            text-decoration: none;
        }

        .menu {
            list-style: none;
            display: flex;
            gap: 20px;
        }

        .menu a {
            color: var(--text-color);
            text-decoration: none;
            transition: color 0.3s ease;
            padding: 8px 10px;
            border-radius: 5px;
        }

        .menu a:hover,
        .menu a.active {
            color: var(--primary-color);
            background-color: #eee;
        }

        /* Mobile Menu Button */
        .mobile-menu-button {
            display: none;
            cursor: pointer;
            font-size: 1.5rem;
            color: var(--dark-color);
        }

        .mobile-menu {
            position: fixed;
            top: 0;
            left: -250px;
            width: 250px;
            height: 100%;
            background-color: var(--light-color);
            padding: 20px;
            box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
            z-index: 101;
            transition: left 0.3s ease;
        }

        .mobile-menu.open {
            left: 0;
        }

        .mobile-menu .logo-mobile {
            font-size: 1.5rem;
            color: var(--primary-color);
            font-weight: bold;
            text-decoration: none;
            margin-bottom: 20px;
            display: block;
        }

        .mobile-menu .menu-mobile {
            list-style: none;
        }

        .mobile-menu .menu-mobile li {
            margin-bottom: 15px;
        }

        .mobile-menu .menu-mobile a {
            display: block;
            color: var(--text-color);
            text-decoration: none;
            padding: 10px;
            border-radius: 5px;
            transition: background-color 0.3s ease;
        }

        .mobile-menu .menu-mobile a:hover,
        .mobile-menu .menu-mobile a.active {
            background-color: #eee;
            color: var(--primary-color);
        }

        .close-button {
            position: absolute;
            top: 10px;
            right: 10px;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--dark-color);
        }

        /* Media Queries */
        @media (max-width: 768px) {
            .navbar .menu {
                display: none;
            }

            .mobile-menu-button {
                display: block;
            }
        }