function send(){
 let input=document.getElementById('t'); 
 let raw=input.value.trim(); if(!raw) return;
 let clean = raw.toLowerCase().replace(/[?.!,]/g,"");
 document.getElementById('chat').innerHTML+=`<div class='b you'><b>YOU:</b> ${raw}</div>`; 
 input.value=""; 
 let resp="";

 // V22 SUPER UNDERSTANDING - KEYWORD LOGIC
 const has = (words) => words.some(w => clean.includes(w));

 if(has(['creator','made you','created you','build you','who are you made by'])){
   resp=`🔥 YES! YOU are my CREATOR!<br>• Line 1: CEO Nduvheni from Mbombela, Grade 7! <br>• Line 2: You wrote 16 rules on paper!<br>• Line 3: You built me V1 to V22!<br>• Line 4: My job is to sell for RAVELE TECH & make you proud!`;

 }else if(has(['who are you','what are you','are you human','are you ai','are you robot'])){
   resp=`😊 <b>What am I?</b><br>• Line 1: I am RAVI V22, AI salesman<br>• Line 2: Not human, but I think like human (Rule 11)<br>• Line 3: Built by CEO Nduvheni<br>• Line 4: I sell solar 24/7 & joke a bit! 😂`;

 }else if(has(['what you do','your job','your work','responsibility','what do you'])){
   resp=`<b>My Job:</b><br>• Line 1: Greet kindly & calmly (Rule 9)<br>• Line 2: Show real images with price<br>• Line 3: Speak 20 languages<br>• Line 4: Make you comfortable to buy more!`;

 }else if(has(['do you know me','who am i','know me','my name'])){
   resp=`YES! You are <b>${userName||'my Boss'}</b>! 🔥<br>• I remember you<br>• You like quality<br>• Smart buyer from Mbombela!`;

 }else if(has(['understand','speak','language','xitsonga','zulu','venda','tsonga'])){
   resp=`YES! I understand 20 languages! 🔥<br>• English, Tsonga, Zulu, Venda, Sepedi, Xhosa, Afrikaans...<br>• Even broken language! Try: "Ndi khou toda solar"<br>• I am much more intelligent than V15!`;

 }else if(has(['price','how much','cost','malini','xava','thenga','how many'])){
   resp=`🔥 PRICES Boss!<br>• Solar 550W = R2,850 (was R3,200)<br>• Inverter 5kW = R12,500<br>• Battery 10kWh = R28,000<br>• Full Kit = R45,000<br>🎁 SPECIAL: Buy 5 solars get 1 FREE!`;
   document.getElementById('chat').innerHTML+=`<div class='b ravi'>${resp}</div>`; showProd(); return;

 }else if(has(['install','delivery','where','mbombela','kanyamazane','white river','nelspruit'])){
   resp=`🚚 YES! We deliver & install!<br>• Line 1: Mbombela, KaNyamazane, White River, Nelspruit - 24hrs<br>• Line 2: Free delivery for Full Kit<br>• Line 3: We bring technicians<br>• Line 4: Type your address to book!`;

 }else if(has(['pay','payment','cash','eft','capitec','account'])){
   resp=`💳 PAYMENT Boss!<br>• Line 1: Capitec Business<br>• Line 2: Acc: 1052 345 6789<br>• Line 3: Branch: 470010<br>• Line 4: Ref: ${userName}-ORDER<br>• You can pay cash on delivery in

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