// Keyboard navigation for service cards
(function initKeyboardNav(){
  let selectedIndex = -1;
  const searchInput = document.getElementById('search-input');
  
  // Wait for services to load
  const checkServicesLoaded = setInterval(() => {
    if(window.servicesData){
      clearInterval(checkServicesLoaded);
      setupKeyboardNav();
    }
  }, 100);
  
  function setupKeyboardNav(){
    const { allServices } = window.servicesData;
    
    const selectCard = (index) => {
      const visibleCards = allServices.filter(card => card.style.display !== 'none');
      if(visibleCards.length === 0) return;
      
      // Remove previous selection
      visibleCards.forEach(card => card.classList.remove('selected'));
      
      // Update index
      if(index < 0) index = visibleCards.length - 1;
      if(index >= visibleCards.length) index = 0;
      selectedIndex = index;
      
      // Add selection
      visibleCards[selectedIndex].classList.add('selected');
      visibleCards[selectedIndex].scrollIntoView({behavior: 'smooth', block: 'nearest'});
    };

    document.addEventListener('keydown', (e) => {
      if(document.activeElement === searchInput) return;
      
      const visibleCards = allServices.filter(card => card.style.display !== 'none');
      
      if(e.key === 'ArrowRight' || e.key === 'ArrowDown'){
        e.preventDefault();
        selectCard(selectedIndex + 1);
      } else if(e.key === 'ArrowLeft' || e.key === 'ArrowUp'){
        e.preventDefault();
        selectCard(selectedIndex - 1);
      } else if(e.key === 'Enter' && selectedIndex >= 0){
        e.preventDefault();
        visibleCards[selectedIndex].click();
      } else if(e.key === 'Escape'){
        visibleCards.forEach(card => card.classList.remove('selected'));
        selectedIndex = -1;
      }
    });
  }
})();