replace Book Now CTA with Call Now across all pages

Swaps all Book Now buttons from bookedin.com booking links to tel:315-719-1218 on all 39 HTML pages (services, commercial, locations, top-level).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

about/index.html

@@ -32,7 +32,7 @@
                 <span class="hero-eyebrow">Waterloo, NY &mdash; Finger Lakes Region</span>
                 <h1>About <span class="text-accent">Lahr</span> Carpet Cleaning</h1>
                 <p>Local, reliable carpet care that treats your home with respect.</p>
-                <a href="https://bookedin.com/book/lahr-carpet-cleaning-and-upholstery" target="_blank" rel="noopener noreferrer" class="btn btn-primary btn-large">Book Now</a>
+                <a href="tel:315-719-1218" class="btn btn-primary btn-large">Call Now</a>
             </div>
         </div>
     </section>
@@ -120,7 +120,7 @@
         <div class="cta-content">
             <h2 class="heading-4"><strong>Ready to See the </strong><span class="text-accent"><strong>Difference</strong></span><strong>?</strong></h2>
             <p class="paragraph-4">Call us or fill out our contact form. Free estimates included with every booking.</p>
-            <a href="https://bookedin.com/book/lahr-carpet-cleaning-and-upholstery" target="_blank" rel="noopener noreferrer" class="btn btn-primary">Book Now</a>
+            <a href="tel:315-719-1218" class="btn btn-primary">Call Now</a>
         </div>
     </section>