t-group mb-3">
                    <input type="text" class="form-control" placeholder="Search treks..." aria-label="Search treks">
                    <button class="btn btn-outline-secondary" type="button">Search</button>
                </div>
            </div>
        </div>
    </div>

    <div class="container mt-4">
        <div class="row mb-4">
            <div class="col-md-4 mb-3">
                <select class="form-select" aria-label="Filter by difficulty">
                    <option selected