feat: Implement marketing page layout, core sections, and shared UI components.

src/components/ui/Select.tsx

@@ -8,15 +8,19 @@ interface SelectProps extends React.SelectHTMLAttributes<HTMLSelectElement> {
 }
 
 export const Select = React.forwardRef<HTMLSelectElement, SelectProps>(
-  ({ className, label, error, options, ...props }, ref) => {
+  ({ className, label, error, options, id, ...props }, ref) => {
+    // Generate a unique id for accessibility if not provided
+    const selectId = id || (label ? `select-${label.toLowerCase().replace(/\s+/g, '-')}` : undefined);
+
     return (
       <div className="space-y-1">
         {label && (
-          <label className="block text-sm font-medium text-gray-700">
+          <label htmlFor={selectId} className="block text-sm font-medium text-gray-700">
             {label}
           </label>
         )}
         <select
+          id={selectId}
           className={cn(
             'flex h-10 w-full rounded-lg border border-gray-300 bg-white px-3 py-2 text-sm ring-offset-white focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-primary-500 focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50',
             error && 'border-red-500 focus-visible:ring-red-500',