Convert a Template to a Website

Hi there, We are looking to customise the 'Grid' theme Shopify template to suit florist. 1-week turn around (completion for launch 1st July, Australia) Additions required: #1: Product Page (see rough sketch attached) -Change pricing so for some products a price range is set and customers nominate the price they wish to pay -Add some details to Product Page: How much would you like to spend one flowers? (fill out box) Add glassware? (radio button) vase Delivery Postcode (fill out box) Delivery on: (radio button) weekday (radio button) saturday Message on card: Total cost: (auto fill out box, calculated by above fields) (fill out box for card message) 'Place Order' button #2: extra page linked from 'Place Order' button, prior to checkout (see rough sketch attached) -Header to only include logo -(heading)Would you like to add a little something extra? -3-4 image links to collections (e.g. Chocolates & Champagne) -(text) no, thanks (button) 'Finalise Order' #3: customise pages for checkout: Recipient Details (see rough sketch attached) -from 'cart' to recipient details which include: (Heading) Recipient Details *First Name; last name *Phone (mobile thanks, if possible) (Heading) Delivery Details *Company (optional) *Address; Apt, Sutie etc. (optional) *City *Australia; Victioria; Postcode *(drop down)Delivery Date; (drop down)Preferred time (AM or PM); (autofill) Postcode *(large fill box) Delivery instructions/special requests *(radio button) Leave in safe place, if nobody home* *<return to cart *(button) Continue to your details #4: customise Your Details to include: -(tick box) Keep in touch -How did you hear about us? (dropdown menu) I am happy to provide further details on design/layout and formulas extra, as needed. Please don't hesitate to contact me with questions &/or clarifications. Here is the link to the theme details: [login to view URL] Many thanks, Rachel