app.py

import streamlit as st
from landing_page import show_landing_page
from hydrogen_analyzer import show_hydrogen_analyzer
from about_page import show_about_page

# Page configuration
st.set_page_config(page_title="Hydrogen Intelligence Platform", page_icon="⚡", layout="wide")

# Sidebar navigation
st.sidebar.title("Navigation")
page = st.sidebar.radio("Go to", ["Home", "Hydrogen Analyzer", "About"])

# Page Routing
if page == "Home":
    show_landing_page()
elif page == "Hydrogen Analyzer":
    show_hydrogen_analyzer()
elif page == "About":
    show_about_page()