diff --git a/Dockerfile b/Dockerfile
index 623ddef..c29da6b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -21,4 +21,4 @@ RUN mkdir -p /data/media/dogs /data/media/diary /data/media/poison \
 
 EXPOSE 8000
 
-CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000", "--proxy-headers"]
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000", "--proxy-headers", "--forwarded-allow-ips=*"]
diff --git a/backend/auth.py b/backend/auth.py
index b3365aa..d923c70 100644
--- a/backend/auth.py
+++ b/backend/auth.py
@@ -87,7 +87,7 @@ def get_current_user(
     user_id = int(payload["sub"])
     with db() as conn:
         row = conn.execute(
-            "SELECT id, email, name, rolle, is_premium, is_moderator, is_banned, ban_reason, is_social_media, notes_ki_enabled, breeder_status FROM users WHERE id=?",
+            "SELECT id, email, name, rolle, is_premium, is_moderator, is_banned, ban_reason, is_social_media, notes_ki_enabled, breeder_status, is_founder, is_partner FROM users WHERE id=?",
             (user_id,)
         ).fetchone()
 
diff --git a/backend/database.py b/backend/database.py
index 940c76f..e428a56 100644
--- a/backend/database.py
+++ b/backend/database.py
@@ -559,6 +559,10 @@ def _migrate(conn_factory):
         ("users", "ki_zucht_paarung",           "INTEGER NOT NULL DEFAULT 1"),
         ("users", "ki_zucht_beschreibung",      "INTEGER NOT NULL DEFAULT 1"),
         ("users", "ki_zucht_jahresbericht",     "INTEGER NOT NULL DEFAULT 1"),
+        # Partner-Code + Gründer-Lizenz
+        ("users", "is_founder",      "INTEGER NOT NULL DEFAULT 0"),
+        ("users", "is_partner",      "INTEGER NOT NULL DEFAULT 0"),
+        ("users", "founder_number",  "INTEGER"),
     ]
     with conn_factory() as conn:
         for table, column, col_type in migrations:
@@ -1485,6 +1489,25 @@ def _migrate(conn_factory):
             CREATE INDEX IF NOT EXISTS idx_bj_user ON breeder_jahresberichte(user_id, jahr DESC);
         """)
 
+        # Partner-Codes (Influencer-Kooperationen + Gründer-Lizenz)
+        try:
+            conn.executescript("""
+                CREATE TABLE IF NOT EXISTS partner_codes (
+                    id          INTEGER PRIMARY KEY AUTOINCREMENT,
+                    code        TEXT NOT NULL UNIQUE COLLATE NOCASE,
+                    label       TEXT NOT NULL,
+                    grants_founder INTEGER NOT NULL DEFAULT 1,
+                    max_uses    INTEGER DEFAULT NULL,
+                    uses        INTEGER NOT NULL DEFAULT 0,
+                    created_by  INTEGER REFERENCES users(id),
+                    created_at  TEXT NOT NULL DEFAULT (datetime('now'))
+                );
+                CREATE INDEX IF NOT EXISTS idx_partner_codes_code ON partner_codes(code);
+            """)
+            logger.info("Migration: partner_codes Tabelle bereit.")
+        except Exception as e:
+            logger.warning(f"Migration partner_codes: {e}")
+
         # js_exercise_id zu training_exercises — verbindet training_exercises mit exercise_progress
         existing_te = [row[1] for row in conn.execute("PRAGMA table_info(training_exercises)").fetchall()]
         if 'js_exercise_id' not in existing_te:
diff --git a/backend/main.py b/backend/main.py
index fbae790..db883dc 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -162,6 +162,7 @@ from routes.breeder_photos import router as breeder_photos_router
 from routes.zucht_hunde    import router as zucht_hunde_router
 from routes.breeder_export import router as breeder_export_router
 from routes.zucht_ki       import router as zucht_ki_router
+from routes.partner        import router as partner_router
 
 app.include_router(auth_router,       prefix="/api/auth",       tags=["Auth"])
 app.include_router(dogs_router,       prefix="/api/dogs",       tags=["Hunde"])
@@ -193,6 +194,7 @@ app.include_router(breeder_photos_router,  prefix="/api",       tags=["Züchter-
 app.include_router(zucht_hunde_router,     prefix="/api",       tags=["Zuchtkartei"])
 app.include_router(breeder_export_router,  prefix="/api",       tags=["Export"])
 app.include_router(zucht_ki_router,        prefix="/api",       tags=["Züchter-KI"])
+app.include_router(partner_router,         prefix="/api",       tags=["Partner"])
 app.include_router(webcal_router,     prefix="/api/webcal",     tags=["WebCal"])
 app.include_router(profile_router,    prefix="/api/profile",    tags=["Profil"])
 app.include_router(import_router,          prefix="/api/import",  tags=["Import"])
@@ -691,7 +693,26 @@ async def favicon():
 
 @app.get("/manifest.json")
 async def manifest():
-    return FileResponse(f"{STATIC_DIR}/manifest.json")
+    import json as _json
+    IS_STAGING = os.getenv("STAGING", "false").lower() == "true"
+    with open(f"{STATIC_DIR}/manifest.json", encoding="utf-8") as f:
+        data = _json.load(f)
+    if IS_STAGING:
+        data["name"]             = "Ban Yaro Staging"
+        data["short_name"]       = "BY ⚗️"
+        data["theme_color"]      = "#7c3aed"
+        data["background_color"] = "#2d1b69"
+        data["id"]               = "/staging"
+        # Icons mit Staging-Variante überschreiben falls vorhanden
+        staging_icon = "/icons/icon-192-staging.png"
+        import os as _os
+        if _os.path.exists(f"{STATIC_DIR}/icons/icon-192-staging.png"):
+            data["icons"] = [
+                {"src": "/icons/icon-192-staging.png", "sizes": "192x192", "type": "image/png", "purpose": "any maskable"},
+                {"src": "/icons/icon-512-staging.png", "sizes": "512x512", "type": "image/png", "purpose": "any maskable"},
+            ]
+    from fastapi.responses import JSONResponse
+    return JSONResponse(content=data, media_type="application/manifest+json")
 
 @app.get("/sw.js")
 async def service_worker():
@@ -1382,6 +1403,16 @@ async def knigge_page():
 # SPA Fallback — ALLE nicht-API-Routen gehen zur index.html
 @app.get("/{full_path:path}")
 async def spa_fallback(full_path: str):
+    IS_STAGING = os.getenv("STAGING", "false").lower() == "true"
+    if IS_STAGING:
+        from fastapi.responses import HTMLResponse
+        with open(f"{STATIC_DIR}/index.html", encoding="utf-8") as f:
+            html = f.read()
+        html = html.replace(
+            '<link rel="apple-touch-icon" sizes="180x180" href="/icons/icon-180.png">',
+            '<link rel="apple-touch-icon" sizes="180x180" href="/icons/icon-180-staging.png">',
+        )
+        return HTMLResponse(content=html, headers={"Cache-Control": "no-cache"})
     return FileResponse(
         f"{STATIC_DIR}/index.html",
         headers={"Cache-Control": "no-cache"}
diff --git a/backend/routes/auth.py b/backend/routes/auth.py
index 73349b4..32d5c6c 100644
--- a/backend/routes/auth.py
+++ b/backend/routes/auth.py
@@ -78,13 +78,42 @@ async def register(data: RegisterRequest, response: Response, request: Request):
         new_user_id = user["id"]
 
         if data.ref_code:
-            referrer = conn.execute(
-                "SELECT id FROM users WHERE referral_code=? AND id != ?",
-                (data.ref_code.strip().upper(), new_user_id)
+            code_upper = data.ref_code.strip().upper()
+            # Zuerst prüfen ob es ein Partner-Code ist
+            partner = conn.execute(
+                "SELECT id, grants_founder, max_uses, uses FROM partner_codes WHERE code=?",
+                (code_upper,)
             ).fetchone()
-            if referrer:
-                conn.execute("UPDATE users SET referred_by=? WHERE id=?",
-                             (referrer['id'], new_user_id))
+            if partner:
+                # Nur einlösen wenn max_uses nicht erreicht
+                if partner["max_uses"] is None or partner["uses"] < partner["max_uses"]:
+                    conn.execute(
+                        "UPDATE partner_codes SET uses=uses+1 WHERE id=?",
+                        (partner["id"],)
+                    )
+                    updates = {"referred_by": -partner["id"]}
+                    if partner["grants_founder"]:
+                        total_founders = conn.execute(
+                            "SELECT COUNT(*) FROM users WHERE is_founder=1"
+                        ).fetchone()[0]
+                        if total_founders < 100:
+                            founder_num = total_founders + 1
+                            updates["is_founder"]     = 1
+                            updates["founder_number"] = founder_num
+                    set_clause = ", ".join(f"{k}=?" for k in updates)
+                    conn.execute(
+                        f"UPDATE users SET {set_clause} WHERE id=?",
+                        (*updates.values(), new_user_id)
+                    )
+            else:
+                # Fallback: Referral-Code eines anderen Users
+                referrer = conn.execute(
+                    "SELECT id FROM users WHERE referral_code=? AND id != ?",
+                    (code_upper, new_user_id)
+                ).fetchone()
+                if referrer:
+                    conn.execute("UPDATE users SET referred_by=? WHERE id=?",
+                                 (referrer['id'], new_user_id))
 
     token = create_token(user["id"], user["rolle"])
     _set_cookie(response, token)
@@ -120,6 +149,24 @@ async def logout(response: Response):
     return {"ok": True}
 
 
+_REFERRAL_TIERS = [
+    (50, 50),
+    (20, 30),
+    (10, 20),
+]
+
+def _referral_tier(count: int):
+    for threshold, discount in _REFERRAL_TIERS:
+        if count >= threshold:
+            return discount
+    return 0
+
+def _referral_next(count: int):
+    for threshold, discount in reversed(_REFERRAL_TIERS):
+        if count < threshold:
+            return {"count": threshold, "discount": discount}
+    return None  # Maximalstufe erreicht
+
 @router.get("/referral")
 async def get_referral_info(user=Depends(get_current_user)):
     with db() as conn:
@@ -133,11 +180,14 @@ async def get_referral_info(user=Depends(get_current_user)):
         if not code:
             code = _gen_referral_code()
             conn.execute("UPDATE users SET referral_code=? WHERE id=?", (code, user['id']))
-    base = os.getenv("APP_URL", "https://banyaro.app")
+    count = row["count"] if row else 0
+    base  = os.getenv("APP_URL", "https://banyaro.app")
     return {
-        "code":  code,
-        "count": row["count"] if row else 0,
-        "link":  f"{base}/?ref={code}",
+        "code":          code,
+        "count":         count,
+        "link":          f"{base}/?ref={code}",
+        "discount_pct":  _referral_tier(count),
+        "next_tier":     _referral_next(count),
     }
 
 
diff --git a/backend/routes/forum.py b/backend/routes/forum.py
index d22a460..b6d204f 100644
--- a/backend/routes/forum.py
+++ b/backend/routes/forum.py
@@ -131,7 +131,7 @@ async def list_threads(
                    t.antworten, t.likes, t.views,
                    t.is_pinned, t.is_locked, t.foto_urls,
                    t.created_at, t.user_id,
-                   u.name AS autor_name
+                   u.name AS autor_name, u.founder_number AS autor_founder_number
             FROM forum_threads t
             LEFT JOIN users u ON u.id = t.user_id
             WHERE t.is_deleted = 0
@@ -183,7 +183,7 @@ async def create_thread(data: ThreadCreate, user=Depends(get_current_user)):
              data.thread_lat, data.thread_lon, data.thread_ort, ct)
         )
         row = conn.execute(
-            """SELECT t.*, u.name AS autor_name
+            """SELECT t.*, u.name AS autor_name, u.founder_number AS autor_founder_number
                FROM forum_threads t
                LEFT JOIN users u ON u.id = t.user_id
                WHERE t.id = ?""",
@@ -203,7 +203,7 @@ async def get_thread(thread_id: int, user=Depends(get_current_user_optional)):
     uid = user['id'] if user else None
     with db() as conn:
         thread = conn.execute(
-            """SELECT t.*, u.name AS autor_name
+            """SELECT t.*, u.name AS autor_name, u.founder_number AS autor_founder_number
                FROM forum_threads t
                LEFT JOIN users u ON u.id = t.user_id
                WHERE t.id = ? AND t.is_deleted = 0""",
@@ -218,7 +218,7 @@ async def get_thread(thread_id: int, user=Depends(get_current_user_optional)):
         )
 
         posts = conn.execute(
-            """SELECT p.*, u.name AS autor_name
+            """SELECT p.*, u.name AS autor_name, u.founder_number AS autor_founder_number
                FROM forum_posts p
                LEFT JOIN users u ON u.id = p.user_id
                WHERE p.thread_id = ?
@@ -288,7 +288,7 @@ async def patch_thread(thread_id: int, data: ThreadPatch, user=Depends(get_curre
                 [*updates.values(), thread_id]
             )
         row = conn.execute(
-            """SELECT t.*, u.name AS autor_name
+            """SELECT t.*, u.name AS autor_name, u.founder_number AS autor_founder_number
                FROM forum_threads t
                LEFT JOIN users u ON u.id = t.user_id
                WHERE t.id = ?""",
@@ -328,7 +328,7 @@ async def create_post(thread_id: int, data: PostCreate, user=Depends(get_current
             (thread_id,)
         )
         row = conn.execute(
-            """SELECT p.*, u.name AS autor_name
+            """SELECT p.*, u.name AS autor_name, u.founder_number AS autor_founder_number
                FROM forum_posts p
                LEFT JOIN users u ON u.id = p.user_id
                WHERE p.id = ?""",
diff --git a/backend/routes/partner.py b/backend/routes/partner.py
new file mode 100644
index 0000000..745fde7
--- /dev/null
+++ b/backend/routes/partner.py
@@ -0,0 +1,192 @@
+"""BAN YARO — Partner-Codes + Gründer-Lizenz"""
+
+from typing import Optional
+from fastapi import APIRouter, HTTPException, Depends
+from pydantic import BaseModel
+from database import db
+from auth import require_admin, get_current_user
+
+router = APIRouter()
+
+
+class PartnerCodeCreate(BaseModel):
+    code:           str
+    label:          str
+    grants_founder: int = 1
+    max_uses:       Optional[int] = None
+
+
+class GrantRequest(BaseModel):
+    is_founder: Optional[int] = None
+    is_partner: Optional[int] = None
+
+
+# ------------------------------------------------------------------
+# Admin: Partner-Codes verwalten
+# ------------------------------------------------------------------
+
+@router.get("/admin/partner/codes")
+def list_partner_codes(user=Depends(require_admin)):
+    """Alle Partner-Codes mit Stats (admin only)."""
+    with db() as conn:
+        rows = conn.execute(
+            """SELECT pc.id, pc.code, pc.label, pc.grants_founder,
+                      pc.max_uses, pc.uses, pc.created_at,
+                      u.name AS created_by_name
+               FROM partner_codes pc
+               LEFT JOIN users u ON u.id = pc.created_by
+               ORDER BY pc.created_at DESC"""
+        ).fetchall()
+    return [dict(r) for r in rows]
+
+
+@router.post("/admin/partner/codes", status_code=201)
+def create_partner_code(data: PartnerCodeCreate, user=Depends(require_admin)):
+    """Neuen Partner-Code erstellen (admin only)."""
+    code = data.code.strip().upper()
+    if not code:
+        raise HTTPException(400, "Code darf nicht leer sein.")
+    with db() as conn:
+        existing = conn.execute(
+            "SELECT id FROM partner_codes WHERE code=?", (code,)
+        ).fetchone()
+        if existing:
+            raise HTTPException(400, "Dieser Code existiert bereits.")
+        conn.execute(
+            """INSERT INTO partner_codes (code, label, grants_founder, max_uses, created_by)
+               VALUES (?, ?, ?, ?, ?)""",
+            (code, data.label.strip(), data.grants_founder, data.max_uses, user["id"])
+        )
+        row = conn.execute(
+            "SELECT * FROM partner_codes WHERE code=?", (code,)
+        ).fetchone()
+    return dict(row)
+
+
+@router.delete("/admin/partner/codes/{code_id}", status_code=204)
+def delete_partner_code(code_id: int, user=Depends(require_admin)):
+    """Partner-Code löschen (admin only)."""
+    with db() as conn:
+        existing = conn.execute(
+            "SELECT id FROM partner_codes WHERE id=?", (code_id,)
+        ).fetchone()
+        if not existing:
+            raise HTTPException(404, "Partner-Code nicht gefunden.")
+        conn.execute("DELETE FROM partner_codes WHERE id=?", (code_id,))
+    return None
+
+
+@router.post("/admin/partner/users/{user_id}/grant")
+def grant_user_status(user_id: int, data: GrantRequest, user=Depends(require_admin)):
+    """Founder- und/oder Partner-Status für einen User setzen (admin only)."""
+    updates = {}
+    if data.is_founder is not None:
+        updates["is_founder"] = data.is_founder
+    if data.is_partner is not None:
+        updates["is_partner"] = data.is_partner
+    if not updates:
+        raise HTTPException(400, "Mindestens is_founder oder is_partner muss angegeben werden.")
+    with db() as conn:
+        target = conn.execute(
+            "SELECT id, is_founder, founder_number FROM users WHERE id=?", (user_id,)
+        ).fetchone()
+        if not target:
+            raise HTTPException(404, "User nicht gefunden.")
+        # Beim manuellen Vergeben von is_founder: founder_number zuweisen wenn noch keine
+        if updates.get("is_founder") == 1 and not target["founder_number"]:
+            total = conn.execute(
+                "SELECT COUNT(*) FROM users WHERE is_founder=1"
+            ).fetchone()[0]
+            if total >= FOUNDER_MAX:
+                raise HTTPException(400, f"Alle {FOUNDER_MAX} Gründer-Plätze sind vergeben.")
+            updates["founder_number"] = total + 1
+        set_clause = ", ".join(f"{k}=?" for k in updates)
+        conn.execute(
+            f"UPDATE users SET {set_clause} WHERE id=?",
+            (*updates.values(), user_id)
+        )
+        row = conn.execute(
+            "SELECT id, name, email, is_founder, is_partner, founder_number FROM users WHERE id=?",
+            (user_id,)
+        ).fetchone()
+    return dict(row)
+
+
+@router.get("/admin/users/search")
+def search_users(q: str, user=Depends(require_admin)):
+    """User-Suche für Admin (Name-Präfix, max. 10 Ergebnisse)."""
+    with db() as conn:
+        rows = conn.execute(
+            """SELECT id, name, email, is_founder, is_partner, rolle
+               FROM users WHERE name LIKE ? COLLATE NOCASE
+               ORDER BY name LIMIT 10""",
+            (f"{q}%",)
+        ).fetchall()
+    return [dict(r) for r in rows]
+
+
+# ------------------------------------------------------------------
+# Öffentlich: Gründer-Leaderboard + Code-Info
+# ------------------------------------------------------------------
+
+FOUNDER_MAX = 100
+
+@router.get("/partner/founders/stats")
+def founders_stats():
+    """Öffentliches Gründer-Leaderboard: Slots, Partner-Ranking, Gründer-Liste."""
+    with db() as conn:
+        total = conn.execute(
+            "SELECT COUNT(*) FROM users WHERE is_founder=1"
+        ).fetchone()[0]
+        # Partner-Ranking: nach uses absteigend
+        partners = conn.execute(
+            """SELECT pc.id, pc.label, pc.uses, pc.code,
+                      u.name AS partner_username, u.is_partner
+               FROM partner_codes pc
+               LEFT JOIN users u ON u.referred_by = -pc.id AND u.is_partner=1
+               WHERE pc.grants_founder=1
+               ORDER BY pc.uses DESC"""
+        ).fetchall()
+        # Erste 100 Gründer (für Galerie)
+        founders = conn.execute(
+            """SELECT u.name, u.founder_number,
+                      pc.label AS via_partner
+               FROM users u
+               LEFT JOIN partner_codes pc ON u.referred_by = -pc.id
+               WHERE u.is_founder=1 AND u.founder_number IS NOT NULL
+               ORDER BY u.founder_number ASC
+               LIMIT 100"""
+        ).fetchall()
+    return {
+        "total":       total,
+        "max":         FOUNDER_MAX,
+        "open":        max(0, FOUNDER_MAX - total),
+        "closed":      total >= FOUNDER_MAX,
+        "partners":    [dict(p) for p in partners],
+        "founders":    [dict(f) for f in founders],
+    }
+
+
+@router.get("/partner/codes/{code}/info")
+def partner_code_info(code: str):
+    """Gibt zurück ob ein Partner-Code existiert und dessen Label (öffentlich)."""
+    with db() as conn:
+        row = conn.execute(
+            """SELECT code, label, grants_founder, max_uses, uses
+               FROM partner_codes WHERE code=?""",
+            (code.strip().upper(),)
+        ).fetchone()
+    if not row:
+        raise HTTPException(404, "Partner-Code nicht gefunden.")
+    r = dict(row)
+    if r["grants_founder"]:
+        with db() as conn2:
+            total = conn2.execute(
+                "SELECT COUNT(*) FROM users WHERE is_founder=1"
+            ).fetchone()[0]
+        r["founder_slots_open"] = max(0, FOUNDER_MAX - total)
+        r["redeemable"] = (r["max_uses"] is None or r["uses"] < r["max_uses"]) and total < FOUNDER_MAX
+    else:
+        r["founder_slots_open"] = None
+        r["redeemable"] = r["max_uses"] is None or r["uses"] < r["max_uses"]
+    return r
diff --git a/backend/static/css/layout.css b/backend/static/css/layout.css
index 33fde8e..8ffa323 100644
--- a/backend/static/css/layout.css
+++ b/backend/static/css/layout.css
@@ -8,25 +8,28 @@
    1. APP SHELL
    ------------------------------------------------------------ */
 #app {
-  display:    flex;
+  display:        flex;
   flex-direction: column;
-  min-height: 100dvh; /* dvh: berücksichtigt mobile Browser-Chrome */
+  min-height:     100dvh;
 }
 
 /* Content-Bereich: füllt den Raum zwischen Header und Bottom-Nav */
 #page-content {
-  flex:         1;
-  overflow-y:   auto;
-  overflow-x:   hidden;
+  flex:           1;
+  min-height:     0; /* iOS-Flex-Bug: ohne das scrollt body statt #page-content */
+  overflow-y:     auto;
+  overflow-x:     hidden;
   padding-bottom: calc(var(--nav-bottom-height) + var(--safe-bottom) + 16px);
+  -webkit-overflow-scrolling: touch;
 }
 
-/* Desktop: Sidebar-Layout */
+/* Desktop: Sidebar-Layout — kein Bottom-Nav, natürliche Höhe */
 @media (min-width: 768px) {
   #app {
     flex-direction: row;
   }
   #page-content {
+    min-height:     unset;
     padding-bottom: 0;
     padding-left:   var(--nav-sidebar-width);
   }
@@ -168,6 +171,10 @@
   left:        0;
   right:       0;
   z-index:     700;  /* über Leaflet-Panes (~400) */
+  /* GPU-Layer erzwingen → iOS Safari fixed-position Stabilität */
+  transform:   translateZ(0);
+  -webkit-transform: translateZ(0);
+  will-change: transform;
   min-height:  calc(var(--nav-bottom-height) + var(--safe-bottom));
   padding-top:    var(--space-1);
   padding-bottom: calc(var(--safe-bottom) + var(--space-1));
diff --git a/backend/static/icons/icon-180-staging.png b/backend/static/icons/icon-180-staging.png
new file mode 100644
index 0000000..fc2be5c
Binary files /dev/null and b/backend/static/icons/icon-180-staging.png differ
diff --git a/backend/static/icons/icon-192-staging.png b/backend/static/icons/icon-192-staging.png
new file mode 100644
index 0000000..9386e04
Binary files /dev/null and b/backend/static/icons/icon-192-staging.png differ
diff --git a/backend/static/icons/icon-512-staging.png b/backend/static/icons/icon-512-staging.png
new file mode 100644
index 0000000..0c2797a
Binary files /dev/null and b/backend/static/icons/icon-512-staging.png differ
diff --git a/backend/static/index.html b/backend/static/index.html
index 82258db..688dd83 100644
--- a/backend/static/index.html
+++ b/backend/static/index.html
@@ -88,21 +88,12 @@
   </script>
 
   <!-- CSS: Reihenfolge ist wichtig — ?v= zwingt Browser zur Neuladung -->
-  <link rel="stylesheet" href="/css/design-system.css?v=382">
-  <link rel="stylesheet" href="/css/layout.css?v=382">
-  <link rel="stylesheet" href="/css/components.css?v=382">
+  <link rel="stylesheet" href="/css/design-system.css?v=500">
+  <link rel="stylesheet" href="/css/layout.css?v=500">
+  <link rel="stylesheet" href="/css/components.css?v=500">
 </head>
 <body>
 
-<!-- Staging-Banner (nur auf staging.banyaro.app) -->
-<div id="staging-banner"
-     style="display:none;position:fixed;top:0;left:0;right:0;z-index:10000;
-            background:#7c3aed;color:#fff;font-size:0.75rem;font-weight:700;
-            padding:5px 16px;align-items:center;justify-content:center;gap:8px;
-            letter-spacing:0.04em;text-transform:uppercase">
-  ⚗️ Staging-Umgebung — Keine Produktionsdaten
-</div>
-
 <!-- Offline-Banner -->
 <div id="offline-banner" aria-live="polite"
      style="display:none;position:fixed;top:0;left:0;right:0;z-index:9999;
@@ -238,9 +229,18 @@
       <div style="margin-top:var(--space-4);padding-top:var(--space-3);
                   border-top:1px solid var(--c-border,#e5e7eb);
                   font-size:var(--text-xs);color:var(--c-text-muted);
-                  display:flex;gap:var(--space-3);padding-bottom:var(--space-2)">
-        <span data-page="impressum" style="cursor:pointer;text-decoration:underline">Impressum</span>
-        <span data-page="datenschutz" style="cursor:pointer;text-decoration:underline">Datenschutz</span>
+                  display:flex;flex-direction:column;gap:var(--space-2);padding-bottom:var(--space-2)">
+        <div style="display:flex;gap:var(--space-3)">
+          <span data-page="impressum" style="cursor:pointer;text-decoration:underline">Impressum</span>
+          <span data-page="datenschutz" style="cursor:pointer;text-decoration:underline">Datenschutz</span>
+        </div>
+        <div style="display:flex;justify-content:center">
+          <span data-page="gruender" style="cursor:pointer;font-weight:600;font-size:var(--text-xs);
+                color:var(--c-text-muted);display:inline-flex;align-items:center;gap:5px">
+            <svg style="width:18px;height:18px;flex-shrink:0;fill:#f59e0b;color:#f59e0b" aria-hidden="true"><use href="/icons/phosphor.svg#trophy" style="fill:#f59e0b;color:#f59e0b"></use></svg>
+            die 100
+          </span>
+        </div>
       </div>
       <!-- bot-trap: kein echter Nutzer klickt hier -->
       <a href="/api/wiki/trap" aria-hidden="true" tabindex="-1"
@@ -428,6 +428,10 @@
       <div class="page-body page-container"></div>
     </section>
 
+    <section class="page" id="page-gruender">
+      <div class="page-body page-container"></div>
+    </section>
+
   </main>
 
   <!-- MOBILE BOTTOM NAVIGATION -->
diff --git a/backend/static/js/app.js b/backend/static/js/app.js
index 1be6acf..e3584f8 100644
--- a/backend/static/js/app.js
+++ b/backend/static/js/app.js
@@ -3,7 +3,7 @@
    Router, State-Management, Navigation, Initialisierung.
    ============================================================ */
 
-const APP_VER     = '490'; // ← bei jedem Deploy mit Frontend-Änderungen erhöhen
+const APP_VER     = '503'; // ← bei jedem Deploy mit Frontend-Änderungen erhöhen
 const APP_VERSION = '1.0.0'; // ← semantische Version, wird bei make release gesetzt
 const IS_STAGING  = location.hostname === 'staging.banyaro.app';
 
@@ -69,6 +69,7 @@ const App = (() => {
     wurfboerse:     { title: 'Wurfbörse',            module: null },
     zuchthunde:     { title: 'Zuchtkartei',          module: null, requiresAuth: true },
     'zucht-profil': { title: 'Hunde-Profil',         module: null },
+    gruender:       { title: '100 Gründer',           module: null },
   };
 
   // ----------------------------------------------------------
@@ -863,10 +864,18 @@ const App = (() => {
 
 // App starten
 document.addEventListener('DOMContentLoaded', () => {
-  if (IS_STAGING) {
-    const b = document.getElementById('staging-banner');
-    if (b) b.style.display = 'flex';
-    document.title = '⚗️ ' + document.title;
-  }
   App.init();
+  if (IS_STAGING) {
+    document.title = '⚗️ ' + document.title;
+    // Nach App.init() Styles direkt setzen — sonst überschreibt init sie
+    const _applyStaging = () => {
+      const nav = document.getElementById('bottom-nav');
+      if (!nav) return;
+      nav.style.cssText += ';background:#2d1b69!important;border-top-color:#7c3aed!important;box-shadow:0 -2px 12px rgba(124,58,237,0.4)!important';
+      nav.querySelectorAll('.nav-item-label').forEach(el => el.style.color = 'rgba(196,181,253,0.75)');
+      nav.querySelectorAll('.plus-btn, .nav-item-center button').forEach(el => el.style.background = '#7c3aed');
+    };
+    _applyStaging();
+    setTimeout(_applyStaging, 400); // nochmal nach vollständigem Render
+  }
 });
diff --git a/backend/static/js/pages/admin.js b/backend/static/js/pages/admin.js
index 9452095..4706cee 100644
--- a/backend/static/js/pages/admin.js
+++ b/backend/static/js/pages/admin.js
@@ -19,6 +19,7 @@ window.Page_admin = (() => {
     { id: 'analytics',   label: 'Analytics',         icon: 'target'           },
     { id: 'system',      label: 'System',             icon: 'gear'             },
     { id: 'jobs',        label: 'Jobs',               icon: 'clock'            },
+    { id: 'partner',     label: 'Partner & Codes',    icon: 'handshake'        },
     { id: 'audit',       label: 'Audit-Log',          icon: 'clipboard-text'   },
   ];
 
@@ -88,6 +89,7 @@ window.Page_admin = (() => {
         case 'analytics':   await _renderAnalytics(el);   break;
         case 'system':      await _renderSystem(el);      break;
         case 'jobs':        await _renderJobs(el);        break;
+        case 'partner':     await _renderPartner(el);     break;
         case 'audit':       await _renderAudit(el);       break;
       }
     } catch (e) {
@@ -1789,6 +1791,210 @@ window.Page_admin = (() => {
   // ------------------------------------------------------------------
   // TAB: AUDIT-LOG
   // ------------------------------------------------------------------
+  async function _renderPartner(el) {
+    const [codes] = await Promise.all([
+      API.get('/api/admin/partner/codes'),
+    ]);
+
+    el.innerHTML = `
+      <div style="display:flex;flex-direction:column;gap:var(--space-5)">
+
+        <!-- Neuen Code anlegen -->
+        <div class="by-card" style="padding:var(--space-4)">
+          <h3 style="margin:0 0 var(--space-3);font-size:var(--text-base)">Neuen Partner-Code erstellen</h3>
+          <form id="adm-partner-create" style="display:flex;flex-direction:column;gap:var(--space-3)">
+            <div style="display:grid;grid-template-columns:1fr 1fr;gap:var(--space-3)">
+              <div>
+                <label class="form-label" style="font-size:var(--text-xs)">Code</label>
+                <input class="form-control" name="code" placeholder="z. B. HUNDEBLOG"
+                       style="text-transform:uppercase;font-family:monospace;letter-spacing:.08em" required>
+              </div>
+              <div>
+                <label class="form-label" style="font-size:var(--text-xs)">Bezeichnung</label>
+                <input class="form-control" name="label" placeholder="z. B. Max Musterhund (Instagram)" required>
+              </div>
+            </div>
+            <div style="display:grid;grid-template-columns:1fr 1fr;gap:var(--space-3);align-items:center">
+              <div>
+                <label class="form-label" style="font-size:var(--text-xs)">Max. Einlösungen <span style="color:var(--c-text-muted)">(leer = unbegrenzt)</span></label>
+                <input class="form-control" name="max_uses" type="number" min="1" placeholder="∞">
+              </div>
+              <div style="display:flex;align-items:center;gap:var(--space-2);padding-top:var(--space-5)">
+                <input type="checkbox" id="adm-grants-founder" name="grants_founder" checked
+                       style="width:16px;height:16px;accent-color:var(--c-primary)">
+                <label for="adm-grants-founder" style="font-size:var(--text-sm);cursor:pointer">
+                  Gründer-Lizenz (lebenslang kostenlos)
+                </label>
+              </div>
+            </div>
+            <button type="submit" class="btn btn-primary btn-sm" style="align-self:flex-start">
+              ${UI.icon('plus')} Code erstellen
+            </button>
+          </form>
+        </div>
+
+        <!-- Aktive Codes -->
+        <div class="by-card" style="padding:var(--space-4)">
+          <h3 style="margin:0 0 var(--space-3);font-size:var(--text-base)">Aktive Codes</h3>
+          <div id="adm-partner-codes-list">
+            ${codes.length === 0
+              ? `<p style="color:var(--c-text-muted);font-size:var(--text-sm)">Noch keine Partner-Codes angelegt.</p>`
+              : `<table style="width:100%;border-collapse:collapse;font-size:var(--text-sm)">
+                  <thead>
+                    <tr style="border-bottom:1px solid var(--c-border)">
+                      <th style="text-align:left;padding:var(--space-2) var(--space-3);color:var(--c-text-muted);font-weight:600;font-size:var(--text-xs)">Code</th>
+                      <th style="text-align:left;padding:var(--space-2) var(--space-3);color:var(--c-text-muted);font-weight:600;font-size:var(--text-xs)">Bezeichnung</th>
+                      <th style="text-align:center;padding:var(--space-2) var(--space-3);color:var(--c-text-muted);font-weight:600;font-size:var(--text-xs)">Nutzungen</th>
+                      <th style="text-align:center;padding:var(--space-2) var(--space-3);color:var(--c-text-muted);font-weight:600;font-size:var(--text-xs)">Gründer</th>
+                      <th style="padding:var(--space-2) var(--space-3)"></th>
+                    </tr>
+                  </thead>
+                  <tbody>
+                    ${codes.map(c => `
+                      <tr style="border-bottom:1px solid var(--c-border)" data-code-id="${c.id}">
+                        <td style="padding:var(--space-2) var(--space-3)">
+                          <code style="font-weight:700;color:var(--c-primary);letter-spacing:.08em">${c.code}</code>
+                        </td>
+                        <td style="padding:var(--space-2) var(--space-3);color:var(--c-text)">${c.label}</td>
+                        <td style="padding:var(--space-2) var(--space-3);text-align:center;font-weight:600">
+                          ${c.uses}${c.max_uses ? `/${c.max_uses}` : ''}
+                        </td>
+                        <td style="padding:var(--space-2) var(--space-3);text-align:center">
+                          ${c.grants_founder ? '✓' : '—'}
+                        </td>
+                        <td style="padding:var(--space-2) var(--space-3)">
+                          <button class="btn btn-ghost btn-sm adm-del-code" data-id="${c.id}"
+                                  style="color:var(--c-danger,#dc2626);font-size:var(--text-xs)">
+                            ${UI.icon('trash')} Löschen
+                          </button>
+                        </td>
+                      </tr>
+                    `).join('')}
+                  </tbody>
+                </table>`
+            }
+          </div>
+        </div>
+
+        <!-- User-Status vergeben -->
+        <div class="by-card" style="padding:var(--space-4)">
+          <h3 style="margin:0 0 var(--space-3);font-size:var(--text-base)">Nutzer-Status manuell vergeben</h3>
+          <form id="adm-partner-grant" style="display:flex;flex-direction:column;gap:var(--space-3)">
+            <div>
+              <label class="form-label" style="font-size:var(--text-xs)">User-ID oder Benutzername</label>
+              <input class="form-control" name="user_search" id="adm-grant-search"
+                     placeholder="Name eingeben…" autocomplete="off">
+              <div id="adm-grant-result" style="margin-top:var(--space-2)"></div>
+            </div>
+            <div style="display:flex;gap:var(--space-4)">
+              <label style="display:flex;align-items:center;gap:var(--space-2);cursor:pointer;font-size:var(--text-sm)">
+                <input type="checkbox" name="is_founder" value="1"
+                       style="width:16px;height:16px;accent-color:var(--c-primary)">
+                Gründer-Lizenz
+              </label>
+              <label style="display:flex;align-items:center;gap:var(--space-2);cursor:pointer;font-size:var(--text-sm)">
+                <input type="checkbox" name="is_partner" value="1"
+                       style="width:16px;height:16px;accent-color:var(--c-primary)">
+                Partner-Badge (Creator)
+              </label>
+            </div>
+            <button type="submit" class="btn btn-secondary btn-sm" style="align-self:flex-start">
+              ${UI.icon('check')} Status setzen
+            </button>
+          </form>
+        </div>
+
+      </div>
+    `;
+
+    // Code erstellen
+    el.querySelector('#adm-partner-create')?.addEventListener('submit', async e => {
+      e.preventDefault();
+      const btn  = e.target.querySelector('[type="submit"]');
+      const fd   = UI.formData(e.target);
+      const code = (fd.code || '').trim().toUpperCase();
+      if (!code) return;
+      await UI.asyncButton(btn, async () => {
+        await API.post('/api/admin/partner/codes', {
+          code,
+          label:          fd.label || code,
+          grants_founder: e.target.querySelector('[name="grants_founder"]').checked ? 1 : 0,
+          max_uses:       fd.max_uses ? parseInt(fd.max_uses) : null,
+        });
+        UI.toast.success(`Code "${code}" erstellt.`);
+        await _renderPartner(el);
+      });
+    });
+
+    // Code löschen
+    el.querySelectorAll('.adm-del-code').forEach(btn => {
+      btn.addEventListener('click', async () => {
+        if (!window.confirm(`Code wirklich löschen?`)) return;
+        const id = btn.dataset.id;
+        await UI.asyncButton(btn, async () => {
+          await API.del(`/api/admin/partner/codes/${id}`);
+          UI.toast.success('Code gelöscht.');
+          await _renderPartner(el);
+        });
+      });
+    });
+
+    // User suchen für Status-Vergabe
+    let _grantUserId = null;
+    const searchInput  = el.querySelector('#adm-grant-search');
+    const grantResult  = el.querySelector('#adm-grant-result');
+    let _searchTimeout = null;
+    searchInput?.addEventListener('input', () => {
+      clearTimeout(_searchTimeout);
+      _grantUserId = null;
+      const q = searchInput.value.trim();
+      if (q.length < 2) { grantResult.innerHTML = ''; return; }
+      _searchTimeout = setTimeout(async () => {
+        try {
+          const users = await API.get(`/api/admin/users/search?q=${encodeURIComponent(q)}`);
+          if (!users.length) {
+            grantResult.innerHTML = `<p style="font-size:var(--text-xs);color:var(--c-text-muted)">Kein User gefunden.</p>`;
+            return;
+          }
+          grantResult.innerHTML = users.map(u => `
+            <div class="adm-grant-user" data-id="${u.id}" data-name="${u.name}"
+                 style="padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);
+                        cursor:pointer;background:var(--c-surface-2);margin-bottom:2px;
+                        font-size:var(--text-sm);display:flex;justify-content:space-between">
+              <span><strong>${u.name}</strong></span>
+              <span style="color:var(--c-text-muted);font-size:var(--text-xs)">
+                ${u.is_founder ? '⭐ Gründer ' : ''}${u.is_partner ? '🤝 Partner' : ''}
+              </span>
+            </div>
+          `).join('');
+          grantResult.querySelectorAll('.adm-grant-user').forEach(div => {
+            div.addEventListener('click', () => {
+              _grantUserId = parseInt(div.dataset.id);
+              searchInput.value = div.dataset.name;
+              grantResult.innerHTML = `<p style="font-size:var(--text-xs);color:var(--c-success,#16a34a)">✓ ${div.dataset.name} ausgewählt</p>`;
+            });
+          });
+        } catch { grantResult.innerHTML = ''; }
+      }, 400);
+    });
+
+    el.querySelector('#adm-partner-grant')?.addEventListener('submit', async e => {
+      e.preventDefault();
+      if (!_grantUserId) { UI.toast.warning('Bitte erst einen User auswählen.'); return; }
+      const btn = e.target.querySelector('[type="submit"]');
+      const isFounder = e.target.querySelector('[name="is_founder"]').checked ? 1 : 0;
+      const isPartner = e.target.querySelector('[name="is_partner"]').checked ? 1 : 0;
+      await UI.asyncButton(btn, async () => {
+        const result = await API.post(`/api/admin/partner/users/${_grantUserId}/grant`, {
+          is_founder: isFounder,
+          is_partner: isPartner,
+        });
+        UI.toast.success(`Status für ${result.name} gesetzt.`);
+        grantResult.innerHTML = `<p style="font-size:var(--text-xs);color:var(--c-success,#16a34a)">✓ Gründer: ${result.is_founder ? 'Ja' : 'Nein'} | Partner: ${result.is_partner ? 'Ja' : 'Nein'}</p>`;
+      });
+    });
+  }
+
   async function _renderAudit(el) {
     el.innerHTML = `
       <div style="display:flex;justify-content:flex-end;margin-bottom:var(--space-3)">
diff --git a/backend/static/js/pages/forum.js b/backend/static/js/pages/forum.js
index c46fe6a..f29ff18 100644
--- a/backend/static/js/pages/forum.js
+++ b/backend/static/js/pages/forum.js
@@ -392,6 +392,7 @@ window.Page_forum = (() => {
         <div class="forum-thread-author-row">
           <div class="forum-avatar">${_esc(_initial(thread.autor_name))}</div>
           <span style="font-size:0.85rem;color:var(--c-text-secondary)">${_esc(thread.autor_name || 'Unbekannt')}</span>
+          ${thread.autor_founder_number ? `<span style="font-size:10px;font-weight:700;background:#7c3aed;color:#fff;padding:1px 5px;border-radius:4px">Gründer #${thread.autor_founder_number}</span>` : ''}
           <div style="margin-left:auto;display:flex;gap:var(--space-2);align-items:center">
             <button class="${likeClass}" id="thread-like-btn" data-count="${thread.likes || 0}">
               ${UI.icon('heart')} <span id="thread-like-count">${thread.likes || 0}</span>
@@ -589,6 +590,7 @@ window.Page_forum = (() => {
         <div class="forum-post-header">
           <div class="forum-avatar forum-avatar--sm">${_esc(_initial(p.autor_name))}</div>
           <span class="forum-post-author">${_esc(p.autor_name || 'Unbekannt')}</span>
+          ${p.autor_founder_number ? `<span style="font-size:10px;font-weight:700;background:#7c3aed;color:#fff;padding:1px 5px;border-radius:4px">Gründer #${p.autor_founder_number}</span>` : ''}
           <span class="forum-post-date">${_fmtDate(p.created_at)}</span>
         </div>
         <div class="forum-post-body">
diff --git a/backend/static/js/pages/gruender.js b/backend/static/js/pages/gruender.js
new file mode 100644
index 0000000..e82fc3e
--- /dev/null
+++ b/backend/static/js/pages/gruender.js
@@ -0,0 +1,154 @@
+/* ============================================================
+   BAN YARO — Gründer-Seite
+   Öffentliches Leaderboard der 100 Gründer & Partner.
+   ============================================================ */
+
+window.Page_gruender = (() => {
+
+  let _container = null;
+
+  async function init(container, appState) {
+    _container = container;
+    _render();
+    _load();
+  }
+
+  function refresh() { _load(); }
+  function onDogChange() {}
+
+  function _render() {
+    _container.innerHTML = `
+      <div style="max-width:680px;margin:0 auto;padding:var(--space-4)">
+        <div style="text-align:center;margin-bottom:var(--space-6)">
+          <div style="font-size:48px;margin-bottom:var(--space-2)">🏆</div>
+          <h1 style="font-size:var(--text-2xl);font-weight:800;margin:0 0 var(--space-2)">
+            Die 100 Gründer von Ban Yaro
+          </h1>
+          <p style="color:var(--c-text-secondary);font-size:var(--text-sm);max-width:480px;margin:0 auto">
+            Nur 100 Menschen weltweit können sagen: <em>Ich war von Anfang an dabei.</em>
+            Diese Plätze werden nie wieder vergeben.
+          </p>
+        </div>
+        <div id="grnd-content">
+          <div style="text-align:center;padding:var(--space-8);color:var(--c-text-muted)">Lade…</div>
+        </div>
+      </div>
+    `;
+  }
+
+  async function _load() {
+    const el = _container.querySelector('#grnd-content');
+    try {
+      const d = await API.get('/api/partner/founders/stats');
+      if (!d || typeof d.total === 'undefined') throw new Error('Ungültige Antwort vom Server.');
+      el.innerHTML = _renderStats(d);
+    } catch (e) {
+      el.innerHTML = `<p style="color:var(--c-text-muted);text-align:center">${e.message || 'Fehler beim Laden.'}</p>`;
+    }
+  }
+
+  function _renderStats(d) {
+    const pct  = Math.round((d.total / d.max) * 100);
+    const open = d.open;
+
+    return `
+      <!-- Fortschrittsbalken -->
+      <div class="by-card" style="padding:var(--space-5);margin-bottom:var(--space-5)">
+        <div style="display:flex;justify-content:space-between;align-items:baseline;margin-bottom:var(--space-2)">
+          <span style="font-weight:700;font-size:var(--text-lg)">${d.total} / ${d.max} Gründer</span>
+          <span style="font-size:var(--text-sm);color:${open > 0 ? 'var(--c-success,#16a34a)' : 'var(--c-danger,#dc2626)'}">
+            ${open > 0 ? `${open} Plätze frei` : 'Geschlossen'}
+          </span>
+        </div>
+        <div style="background:var(--c-surface-2);border-radius:var(--radius-full);height:12px;overflow:hidden">
+          <div style="background:linear-gradient(90deg,#7c3aed,#a855f7);width:${pct}%;height:100%;
+                      border-radius:var(--radius-full);transition:width .5s ease"></div>
+        </div>
+        ${open > 0 ? `
+          <p style="font-size:var(--text-xs);color:var(--c-text-muted);margin:var(--space-2) 0 0;text-align:center">
+            Bist du dabei? Frag einen unserer Partner nach ihrem Einladungscode.
+          </p>` : `
+          <p style="font-size:var(--text-xs);color:var(--c-text-muted);margin:var(--space-2) 0 0;text-align:center">
+            Alle 100 Gründer-Plätze sind vergeben. Diese Gruppe ist für immer geschlossen.
+          </p>`}
+      </div>
+
+      <!-- Partner-Challenge Leaderboard -->
+      ${d.partners.length > 0 ? `
+      <div class="by-card" style="padding:var(--space-5);margin-bottom:var(--space-5)">
+        <h2 style="font-size:var(--text-base);font-weight:700;margin:0 0 var(--space-1)">
+          ${UI.icon('trophy')} Partner-Challenge
+        </h2>
+        <p style="font-size:var(--text-xs);color:var(--c-text-muted);margin:0 0 var(--space-4)">
+          Unsere Partner treten gegeneinander an — wer bringt die meisten Gründer?
+        </p>
+        <div style="display:flex;flex-direction:column;gap:var(--space-2)">
+          ${d.partners.map((p, i) => {
+            const medal = i === 0 ? '🥇' : i === 1 ? '🥈' : i === 2 ? '🥉' : `#${i+1}`;
+            const barPct = d.partners[0].uses > 0 ? Math.round((p.uses / d.partners[0].uses) * 100) : 0;
+            return `
+              <div style="display:flex;align-items:center;gap:var(--space-3);
+                          padding:var(--space-3);border-radius:var(--radius-md);
+                          background:${i === 0 ? 'linear-gradient(135deg,#fef9c3,#fef3c7)' : 'var(--c-surface-2)'}">
+                <div style="font-size:22px;min-width:32px;text-align:center">${medal}</div>
+                <div style="flex:1;min-width:0">
+                  <div style="font-weight:700;font-size:var(--text-sm)">${_esc(p.label)}</div>
+                  <div style="background:var(--c-surface-3,rgba(0,0,0,.08));border-radius:var(--radius-full);
+                               height:6px;margin-top:var(--space-1);overflow:hidden">
+                    <div style="background:#7c3aed;width:${barPct}%;height:100%;
+                                border-radius:var(--radius-full)"></div>
+                  </div>
+                </div>
+                <div style="font-weight:800;font-size:var(--text-lg);color:#7c3aed;min-width:36px;text-align:right">
+                  ${p.uses}
+                </div>
+              </div>
+            `;
+          }).join('')}
+        </div>
+      </div>` : ''}
+
+      <!-- Gründer-Galerie -->
+      ${d.founders.length > 0 ? `
+      <div class="by-card" style="padding:var(--space-5)">
+        <h2 style="font-size:var(--text-base);font-weight:700;margin:0 0 var(--space-4)">
+          ${UI.icon('users')} Die Gründer
+        </h2>
+        <div style="display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:var(--space-2)">
+          ${d.founders.map(f => `
+            <div style="padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);
+                         background:var(--c-surface-2);display:flex;align-items:center;gap:var(--space-2)">
+              <span style="font-size:var(--text-xs);font-weight:800;color:#7c3aed;min-width:28px">#${f.founder_number}</span>
+              <span style="font-size:var(--text-sm);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap">
+                ${_esc(f.name)}
+              </span>
+            </div>
+          `).join('')}
+          ${Array.from({length: d.open}, (_, i) => `
+            <div style="padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);
+                         border:2px dashed var(--c-border);display:flex;align-items:center;gap:var(--space-2);
+                         opacity:.4">
+              <span style="font-size:var(--text-xs);font-weight:800;color:var(--c-text-muted);min-width:28px">
+                #${d.total + i + 1}
+              </span>
+              <span style="font-size:var(--text-sm);color:var(--c-text-muted)">frei</span>
+            </div>
+          `).join('')}
+        </div>
+      </div>` : `
+      <div class="by-card" style="padding:var(--space-6);text-align:center">
+        <p style="color:var(--c-text-muted);font-size:var(--text-sm)">
+          Noch keine Gründer — sei der Erste!
+        </p>
+      </div>`}
+    `;
+  }
+
+  function _esc(s) {
+    return String(s || '').replace(/[&<>"']/g, c =>
+      ({'&':'&amp;','<':'&lt;','>':'&gt;','"':'&quot;',"'":'&#39;'}[c]));
+  }
+
+  return { init, refresh, onDogChange };
+
+})();
diff --git a/backend/static/js/pages/settings.js b/backend/static/js/pages/settings.js
index 8685fba..7c5c80e 100644
--- a/backend/static/js/pages/settings.js
+++ b/backend/static/js/pages/settings.js
@@ -124,14 +124,22 @@ window.Page_settings = (() => {
             <div>
               <div style="font-weight:700;font-size:var(--text-lg)">${_esc(u.name)}</div>
               <div style="color:var(--c-text-secondary);font-size:var(--text-sm)">${_esc(u.email)}</div>
-              ${u.is_premium
-                ? `<span class="badge badge-primary" style="margin-top:var(--space-1)">
-                     <svg class="ph-icon" aria-hidden="true" style="width:12px;height:12px"><use href="/icons/phosphor.svg#star"></use></svg> Ban Yaro Plus
-                   </span>`
-                : `<span class="badge" style="margin-top:var(--space-1);
-                                               color:var(--c-text-secondary)">
-                     Kostenlos
-                   </span>`}
+              <div style="display:flex;flex-wrap:wrap;gap:var(--space-1);margin-top:var(--space-1)">
+                ${u.is_premium
+                  ? `<span class="badge badge-primary">
+                       <svg class="ph-icon" aria-hidden="true" style="width:12px;height:12px"><use href="/icons/phosphor.svg#star"></use></svg> Ban Yaro Plus
+                     </span>`
+                  : `<span class="badge" style="color:var(--c-text-secondary)">Kostenlos</span>`}
+                ${u.is_founder
+                  ? `<span class="badge" style="background:#7c3aed;color:#fff;cursor:pointer" data-page="gruender">
+                       <svg class="ph-icon" aria-hidden="true" style="width:12px;height:12px"><use href="/icons/phosphor.svg#key"></use></svg>
+                       ${u.founder_number ? `Gründer #${u.founder_number}` : 'Gründer'}
+                     </span>` : ''}
+                ${u.is_partner
+                  ? `<span class="badge" style="background:#0ea5e9;color:#fff">
+                       <svg class="ph-icon" aria-hidden="true" style="width:12px;height:12px"><use href="/icons/phosphor.svg#handshake"></use></svg> Partner
+                     </span>` : ''}
+              </div>
             </div>
           </div>
         </div>
@@ -299,9 +307,9 @@ window.Page_settings = (() => {
         <!-- App empfehlen -->
         <div class="card" style="margin-bottom:var(--space-5)" id="referral-card">
           <div style="padding:var(--space-4);border-bottom:1px solid var(--c-border)">
-            <div style="font-weight:600;margin-bottom:2px">${UI.icon('arrow-square-out')} App empfehlen</div>
+            <div style="font-weight:600;margin-bottom:2px">${UI.icon('arrow-square-out')} Freunde werben — dauerhafter Rabatt</div>
             <div style="font-size:var(--text-xs);color:var(--c-text-secondary)">
-              Lade Freunde ein — jede erfolgreiche Einladung wird in deinem Profil angezeigt.
+              10 Freunde → 20% · 20 Freunde → 30% · 50 Freunde → 50% — lebenslang, sobald Bezahlfunktionen aktiv sind.
             </div>
           </div>
           <div id="referral-body" style="padding:var(--space-4)">Lade…</div>
@@ -1092,50 +1100,88 @@ window.Page_settings = (() => {
     if (!el) return;
     try {
       const r = await API.auth.referral();
+
+      const TIERS = [{t:10,d:20},{t:20,d:30},{t:50,d:50}];
+      const currentTier = r.discount_pct;
+      const next        = r.next_tier;
+
+      // Fortschrittsbalken-Berechnung
+      let barPct = 0, barLabel = '';
+      if (!next) {
+        barPct = 100;
+        barLabel = 'Maximaler Rabatt erreicht!';
+      } else {
+        const prevT = TIERS.find(t => t.d === currentTier)?.t || 0;
+        barPct  = Math.round(((r.count - prevT) / (next.count - prevT)) * 100);
+        barLabel = `Noch ${next.count - r.count} ${next.count - r.count === 1 ? 'Person' : 'Personen'} bis ${next.discount}% Rabatt`;
+      }
+
       el.innerHTML = `
+        <!-- Tier-Übersicht -->
+        <div style="display:flex;gap:var(--space-2);margin-bottom:var(--space-4)">
+          ${TIERS.map(({t, d}) => {
+            const reached = r.count >= t;
+            return `<div style="flex:1;padding:var(--space-2) var(--space-1);border-radius:var(--radius-md);
+                                text-align:center;border:2px solid ${reached ? '#7c3aed' : 'var(--c-border)'};
+                                background:${reached ? 'rgba(124,58,237,.08)' : 'var(--c-surface-2)'}">
+              <div style="font-size:var(--text-lg);font-weight:800;color:${reached ? '#7c3aed' : 'var(--c-text-muted)'}">
+                ${d}%
+              </div>
+              <div style="font-size:10px;color:var(--c-text-muted)">ab ${t} Freunden</div>
+              ${reached ? `<div style="font-size:10px;font-weight:700;color:#7c3aed">✓ Erreicht</div>` : ''}
+            </div>`;
+          }).join('')}
+        </div>
+
+        <!-- Zähler + Fortschritt -->
+        <div style="margin-bottom:var(--space-4)">
+          <div style="display:flex;justify-content:space-between;align-items:baseline;margin-bottom:var(--space-1)">
+            <span style="font-size:var(--text-sm);font-weight:600">
+              ${UI.icon('users')} <strong>${r.count}</strong> ${r.count === 1 ? 'Freund geworben' : 'Freunde geworben'}
+            </span>
+            ${currentTier > 0 ? `<span style="font-size:var(--text-xs);font-weight:700;color:#7c3aed">${currentTier}% Rabatt aktiv</span>` : ''}
+          </div>
+          <div style="background:var(--c-surface-2);border-radius:var(--radius-full);height:10px;overflow:hidden">
+            <div style="background:linear-gradient(90deg,#7c3aed,#a855f7);width:${barPct}%;height:100%;
+                        border-radius:var(--radius-full);transition:width .5s ease"></div>
+          </div>
+          <div style="font-size:var(--text-xs);color:var(--c-text-muted);margin-top:var(--space-1)">${barLabel}</div>
+        </div>
+
+        <!-- Link + QR -->
         <div style="display:flex;align-items:center;gap:var(--space-3);margin-bottom:var(--space-3)">
           <div style="flex:1;min-width:0;background:var(--c-surface-2);border-radius:var(--radius-md);
                       padding:var(--space-2) var(--space-3);font-family:monospace;font-size:var(--text-sm);
                       overflow:hidden;text-overflow:ellipsis;white-space:nowrap">${r.link}</div>
           <button class="btn btn-primary btn-sm" id="ref-share-btn">${UI.icon('arrow-square-out')} Teilen</button>
         </div>
-
-        <!-- QR-Code -->
-        <div style="display:flex;justify-content:center;margin-bottom:var(--space-4)">
-          <div style="position:relative;width:160px;height:160px">
-            <div id="ref-qr" style="width:160px;height:160px;border-radius:var(--radius-md);overflow:hidden"></div>
+        <div style="display:flex;justify-content:center;margin-bottom:var(--space-1)">
+          <div style="position:relative;width:140px;height:140px">
+            <div id="ref-qr" style="width:140px;height:140px;border-radius:var(--radius-md);overflow:hidden"></div>
             <img src="/icons/icon-180.png" alt=""
                  style="position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
-                        width:36px;height:36px;border-radius:8px;border:2px solid #fff">
+                        width:32px;height:32px;border-radius:7px;border:2px solid #fff">
           </div>
         </div>
-
-        <div style="font-size:var(--text-sm);color:var(--c-text-secondary)">
-          ${UI.icon('users')} <strong>${r.count}</strong> ${r.count === 1 ? 'Person' : 'Personen'} über deinen Link registriert
-        </div>
-        ${r.count > 0 ? `
-          <div style="margin-top:var(--space-2);display:flex;gap:var(--space-2);flex-wrap:wrap">
-            ${r.count >= 1  ? `<span class="badge badge-primary">${UI.icon('star')} Botschafter</span>` : ''}
-            ${r.count >= 5  ? `<span class="badge badge-primary">${UI.icon('star')} Super-Botschafter</span>` : ''}
-            ${r.count >= 10 ? `<span class="badge badge-primary">${UI.icon('star')} Top-Botschafter</span>` : ''}
-          </div>` : ''}
+        <p style="font-size:var(--text-xs);color:var(--c-text-muted);text-align:center;margin:0">
+          Der Rabatt gilt für dich — sobald Bezahlfunktionen aktiv sind, dauerhaft und automatisch.
+        </p>
       `;
+
       document.getElementById('ref-share-btn')?.addEventListener('click', async () => {
+        const msg = `Ich bin bei Ban Yaro — der coolsten Hunde-App! Registrier dich mit meinem Link und wir wachsen zusammen 🐾`;
         if (navigator.share) {
-          navigator.share({ title: 'Ban Yaro — Die Hunde-App', text: 'Schau dir Ban Yaro an!', url: r.link }).catch(() => {});
+          navigator.share({ title: 'Ban Yaro', text: msg, url: r.link }).catch(() => {});
         } else {
           await navigator.clipboard.writeText(r.link);
           UI.toast.success('Link kopiert!');
         }
       });
-      // QR-Code rendern (Bibliothek lazy laden)
+
       await App.loadScript('/js/qrcode.min.js');
       new QRCode(document.getElementById('ref-qr'), {
-        text:         r.link,
-        width:        160,
-        height:       160,
-        colorDark:    '#000000',
-        colorLight:   '#ffffff',
+        text: r.link, width: 140, height: 140,
+        colorDark: '#000000', colorLight: '#ffffff',
         correctLevel: QRCode.CorrectLevel.H,
       });
     } catch { el.innerHTML = ''; }
@@ -1283,6 +1329,16 @@ window.Page_settings = (() => {
             </div>
           </div>
         </div>
+        <div class="form-group" style="margin-top:var(--space-2)">
+          <label class="form-label" style="font-size:var(--text-xs)">
+            Einladungscode <span style="color:var(--c-text-muted);font-weight:400">(optional)</span>
+          </label>
+          <input class="form-control" type="text" name="partner_code" id="reg-partner-code"
+                 placeholder="z. B. HUNDEBLOG" autocomplete="off"
+                 style="text-transform:uppercase;font-family:monospace;letter-spacing:.08em">
+          <div id="reg-partner-hint" style="display:none;margin-top:var(--space-1);font-size:var(--text-xs);
+               padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm)"></div>
+        </div>
         <button type="submit" class="btn btn-primary w-full" style="margin-top:var(--space-2)">
           Konto erstellen
         </button>
@@ -1375,6 +1431,44 @@ window.Page_settings = (() => {
       });
     }
 
+    // Partner-Code live validieren
+    const partnerInput = document.getElementById('reg-partner-code');
+    const partnerHint  = document.getElementById('reg-partner-hint');
+    let _partnerValid  = false;
+    if (partnerInput) {
+      // Vorausfüllen falls via sessionStorage gesetzt
+      const stored = sessionStorage.getItem('by_ref_code') || '';
+      if (stored) partnerInput.value = stored;
+
+      let _debounce = null;
+      partnerInput.addEventListener('input', () => {
+        const code = partnerInput.value.trim().toUpperCase();
+        partnerInput.value = code;
+        clearTimeout(_debounce);
+        partnerHint.style.display = 'none';
+        _partnerValid = false;
+        if (code.length < 3) return;
+        _debounce = setTimeout(async () => {
+          try {
+            const info = await API.get(`/api/partner/codes/${encodeURIComponent(code)}/info`);
+            if (info.redeemable) {
+              partnerHint.textContent = info.grants_founder
+                ? `✓ Gültiger Code von "${info.label}" — du erhältst eine lebenslange Gründer-Lizenz!`
+                : `✓ Gültiger Einladungscode von "${info.label}"`;
+              partnerHint.style.cssText = 'display:block;background:var(--c-success-bg,#f0fdf4);color:var(--c-success,#16a34a);padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);font-size:var(--text-xs)';
+              _partnerValid = true;
+            } else {
+              partnerHint.textContent = 'Dieser Code ist bereits vollständig eingelöst.';
+              partnerHint.style.cssText = 'display:block;background:#fef2f2;color:#dc2626;padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);font-size:var(--text-xs)';
+            }
+          } catch {
+            partnerHint.textContent = 'Code nicht gefunden.';
+            partnerHint.style.cssText = 'display:block;color:var(--c-text-muted);font-size:var(--text-xs)';
+          }
+        }, 500);
+      });
+    }
+
     document.getElementById('auth-form')?.addEventListener('submit', async e => {
       e.preventDefault();
       const btn = e.target.querySelector('[type="submit"]');
@@ -1390,8 +1484,10 @@ window.Page_settings = (() => {
       }
 
       await UI.asyncButton(btn, async () => {
-        const refCode = sessionStorage.getItem('by_ref_code') || '';
-        const result = await API.auth.register(fd.email, fd.password, fd.name.trim(), refCode || undefined);
+        const partnerCode = (fd.partner_code || '').trim().toUpperCase() || undefined;
+        const refCode     = sessionStorage.getItem('by_ref_code') || '';
+        const finalCode   = partnerCode || refCode || undefined;
+        const result = await API.auth.register(fd.email, fd.password, fd.name.trim(), finalCode);
         localStorage.setItem('by_token', result.token);
         if (refCode) sessionStorage.removeItem('by_ref_code');
 
@@ -1401,7 +1497,10 @@ window.Page_settings = (() => {
         _appState.activeDog = null;
 
         document.getElementById('header-login-btn')?.remove();
-        UI.toast.success(`Willkommen bei Ban Yaro, ${_appState.user.name}!`);
+        const greeting = _appState.user.is_founder
+          ? `Willkommen, Gründer ${_appState.user.name}! 🎉`
+          : `Willkommen bei Ban Yaro, ${_appState.user.name}!`;
+        UI.toast.success(greeting);
         App.showOnboarding();
       });
     });
diff --git a/backend/static/manifest.json b/backend/static/manifest.json
index a2f4d1d..d71ba4c 100644
--- a/backend/static/manifest.json
+++ b/backend/static/manifest.json
@@ -1,6 +1,6 @@
 {
   "id": "/",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "name": "Ban Yaro — Die Hunde-Plattform",
   "short_name": "Ban Yaro",
   "description": "Alles rund um deinen Hund. Von Welpe bis Opa.",
diff --git a/backend/static/sw.js b/backend/static/sw.js
index c28125f..69c63d8 100644
--- a/backend/static/sw.js
+++ b/backend/static/sw.js
@@ -3,16 +3,16 @@
    Offline-Cache + Push Notifications + Tile-Cache
    ============================================================ */
 
-const CACHE_VERSION = 'by-v513';
+const CACHE_VERSION = 'by-v526';
 const CACHE_STATIC  = `${CACHE_VERSION}-static`;
 const CACHE_TILES   = 'ban-yaro-tiles-v1';  // bleibt über SW-Updates erhalten
 const CACHE_API     = 'ban-yaro-api-v1';    // API-Response-Cache
 
 // index.html wird NICHT pre-gecacht (immer Network-First)
 const STATIC_ASSETS = [
-  '/css/design-system.css?v=382',
-  '/css/layout.css?v=382',
-  '/css/components.css?v=382',
+  '/css/design-system.css?v=500',
+  '/css/layout.css?v=500',
+  '/css/components.css?v=500',
   '/icons/phosphor.svg',
   '/js/api.js',
   '/js/ui.js',