landing.py

import streamlit as st

def show_landing():
    st.markdown(
        """
        # 🚀 AutoExec AI  
        **Your Autonomous AI Business Builder**  
        Launch, manage, and optimize digital businesses at the click of a button.
        """
    )

    # Feature columns
    col1, col2, col3 = st.columns(3)
    features = [
        ("🤖 LLM-Powered", "Gemini Pro + GPT-4 fallback"),
        ("🔄 LoopAgent", "Daily automatic optimizations"),
        ("📊 Dashboard", "Real-time logs & analytics"),
    ]
    for col, (title, desc) in zip([col1, col2, col3], features):
        col.subheader(title)
        col.write(desc)

    st.markdown("---")

    # Callback to switch page
    def go_to_launch():
        st.session_state.page = "Launch"

    # Button uses the callback before rerunning
    st.button("👉 Try the Demo", on_click=go_to_launch)