RewriteEngine on
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME}\.php -f
RewriteRule ^(.*)$ $1.php [NC,L] 
# RewriteRule ^service/([a-zA-Z0-9-/.]+)$ service-detail.php?slug=$1
RewriteRule ^our-service/([a-zA-Z0-9-/.]+)$ service-detail.php?slug=$1
RewriteRule ^blogs/([a-zA-Z0-9-/.]+)$ blog-detail.php?slug=$1
# RewriteRule ^Products-details/([a-zA-Z0-9-/.]+)$ detail.php?slug=$1