Create a Clean, Modern Contact Form User Interface

"Create-a-clean,-modern-contact-form-user-interface-design-with-a-light-pastel-color-scheme,-primarily-white-and-soft-blue.-The-form-includes-fields-for-First-Name,-Last-Name,-Email-Address,-Phone-Number,-and-a-Message-box,-each-with-rounded-edges-and-placeholder-text-in-light-gray.-To-the-right,-place-a-prominent-'Submit-Form'-button-in-vibrant-purple-with-rounded-corners.-Include-a-minimal-top-navigation-bar-with-options-like-Home,-Products,-Services,-Blog,-and-Pricing,-along-with-a-purple-'Try-for-Free'-button-on-the-right.-Add-an-image-sidebar-of-a-sleek,-geometric-modern-building-with-clear-lines-and-a-professional-aesthetic.-The-overall-design-should-be-elegant,-professional,-and-user-friendly,-suitable-for-a-tech-or-business-website.