seModal() {
            document.getElementById("bookingModal").style.display = "none";
        }

        // Function to update trek details based on the selection
        function updateTrekDetails() {
            var selectedTrek = document.getElementById("trekSelection").value;
            var trekDetails = trekInfo[selectedTrek];

            var detailsHTML = `
                <p><strong>${selectedTrek}</strong></p>
                <p>${trekDetails.description}</p>
                <p>${trekDetails.dur