Center paywall header text.

Co-authored-by: Cursor <cursoragent@cursor.com>

smart_printer/PaywallView.swift

@@ -502,11 +502,13 @@ final class PaywallView: NSView {
         let title = NSTextField(labelWithString: "Go Premium")
         title.font = AppTheme.semiboldFont(size: 26)
         title.textColor = AppTheme.navy
+        title.alignment = .center
         title.translatesAutoresizingMaskIntoConstraints = false
 
         let subtitle = NSTextField(labelWithString: "Experience professional quality printing and scanning without limits.")
         subtitle.font = AppTheme.regularFont(size: 13)
         subtitle.textColor = AppTheme.textSecondary
+        subtitle.alignment = .center
         subtitle.maximumNumberOfLines = 2
         subtitle.translatesAutoresizingMaskIntoConstraints = false
 
@@ -553,7 +555,7 @@ final class PaywallView: NSView {
 
             title.leadingAnchor.constraint(equalTo: panel.leadingAnchor, constant: 28),
             title.topAnchor.constraint(equalTo: panel.topAnchor, constant: 40),
-            title.trailingAnchor.constraint(equalTo: closeButton.leadingAnchor, constant: -12),
+            title.trailingAnchor.constraint(equalTo: panel.trailingAnchor, constant: -28),
 
             subtitle.leadingAnchor.constraint(equalTo: title.leadingAnchor),
             subtitle.trailingAnchor.constraint(equalTo: panel.trailingAnchor, constant: -28),