diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..7ea08d5
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2026 S. Koelle
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/README.md b/README.md
index 66d321b..3800b16 100644
--- a/README.md
+++ b/README.md
@@ -25,10 +25,14 @@ If you prefer a live-reload development workflow, use an editor extension such a
 
 ## Files of interest
 
-- `meeting-tracker-variant1.html` — first variant (dark mode, shows annual totals after start)
-- `meeting-tracker-variant2.html` — light-mode variant (recommended)
-- `meeting-tracker-variant2-en.html` — English translation of variant 2
-- `meeting-tracker-variant3.html` — alternate UI experiments
+- `meeting-tracker-de.html` / `meeting-tracker-en.html` — canonical builds (German / English)
+
+Experimental variants (moved to `variants/`):
+
+- `variants/meeting-tracker-variant1.html`
+- `variants/meeting-tracker-variant2.html`
+- `variants/meeting-tracker-variant3.html`
+
 - `meeting-cost-prompt.md` — internal prompt and notes used while developing the tracker
 
 ## Browser & dependencies
diff --git a/meeting-tracker-variant2-en.html b/meeting-tracker-variant2-en.html
deleted file mode 100644
index 3bd92aa..0000000
--- a/meeting-tracker-variant2-en.html
+++ /dev/null
@@ -1,46 +0,0 @@
-<!DOCTYPE html>
-<html lang="en" data-theme="light">
-<head>
-<meta charset="utf-8" />
-<meta name="viewport" content="width=device-width,initial-scale=1" />
-<title>Meeting Cost Tracker (EN)</title>
-<style>
-/* Minimal styles to match variant2 look */
-body{font-family:Inter,system-ui,sans-serif;background:#f7f6f2;color:#28251d;padding:40px}
-.card{max-width:900px;margin:0 auto;background:#fff;padding:20px;border-radius:12px}
-.label{font-size:12px;color:#6b7280}
-.big{font-family:monospace;font-size:48px}
-</style>
-</head>
-<body>
-<div class="card">
-  <h1>Meeting Cost Tracker</h1>
-  <div>
-    <label class="label">Developers present</label>
-    <input id="devCount" type="number" value="5" min="1" />
-  </div>
-  <div>
-    <label class="label">Avg monthly gross salary (€)</label>
-    <input id="avgSalary" type="number" value="5000" min="1" />
-  </div>
-  <div style="margin-top:12px">
-    <button id="startBtn">Start</button>
-    <button id="resetBtn">Reset</button>
-  </div>
-  <hr/>
-  <div>
-    <div class="label">Total cost so far</div>
-    <div id="total" class="big">0,00 €</div>
-    <div class="label">Cost per second: <span id="perSec">0,00 €</span></div>
-  </div>
-</div>
-<script>
-/* Simple duplicate of variant2 calculations in English */
-function fmt(n){return n.toLocaleString('de-DE',{minimumFractionDigits:2,maximumFractionDigits:2})+' €'}
-function calc(){var d=Number(document.getElementById('devCount').value)||1;var s=Number(document.getElementById('avgSalary').value)||5000;var annual=s*12;var withEmp=annual*1.2;var total=withEmp*d;var perSec=total/220/8/3600;return{d:d,s:s,annual:annual,withEmp:withEmp,total:total,perSec:perSec}}
-var timer=null, acc=0;
-document.getElementById('startBtn').addEventListener('click',function(){ if(timer) return; var p=calc(); timer=setInterval(function(){acc+=p.perSec;document.getElementById('total').textContent=fmt(acc);},1000); document.getElementById('perSec').textContent=fmt(calc().perSec);});
-document.getElementById('resetBtn').addEventListener('click',function(){ clearInterval(timer);timer=null;acc=0;document.getElementById('total').textContent=fmt(0);});
-</script>
-</body>
-</html>
diff --git a/screenshot.png b/screenshot.png
index 54f1055..c295312 100644
Binary files a/screenshot.png and b/screenshot.png differ
diff --git a/meeting-tracker-variant1.html b/variants/meeting-tracker-variant1.html
similarity index 100%
rename from meeting-tracker-variant1.html
rename to variants/meeting-tracker-variant1.html
diff --git a/meeting-tracker-variant2.html b/variants/meeting-tracker-variant2.html
similarity index 100%
rename from meeting-tracker-variant2.html
rename to variants/meeting-tracker-variant2.html
diff --git a/meeting-tracker-variant3.html b/variants/meeting-tracker-variant3.html
similarity index 100%
rename from meeting-tracker-variant3.html
rename to variants/meeting-tracker-variant3.html
