Built a Telegram bot with Mini App for selling a relationship book "7 Steps to Get Closer".

The bot handles the full sales funnel: video intro, tariff selection, phone collection, consent, ordering, PDF delivery, and notifications.

Key features: • 3 tiers: book only, book + online session, book + offline session • Mini App with 3 tabs: tariffs, workbook download, post-payment info • Warm gold/brown UI with Playfair Display, floating orbs, glassmorphic cards • FSM for multi-step order flow with 30-min timeout • Phone collection via Telegram contact sharing • GDPR consent flow, PDF delivery in chat • Manager notifications on new orders • SQLite database, admin panel with revenue stats • Password-protected admin with session auth

Stack: PHP, SQLite, Telegram Bot API, HTML/CSS/JS, Mini App API