content: add C4 market report + launch marketing assets

C4 articles:
- scratch/articles/state-of-padel-q1-2026-de.md — German State of Padel Q1 2026
  report (~2,500w); DE version front-loads Germany section; Wirtschaftsjournalismus
  register; FIP + Playtomic/PwC + Padelnomics pipeline data embedded
- scratch/articles/state-of-padel-q1-2026-en.md — English adaptation (~2,500w);
  Germany as case study; international audience framing

Marketing assets:
- scratch/marketing/founding-member-deal.md — founding member deal structure
  (20 slots, €990/yr locked 3 years, Professional tier at Basic price, +rationale)
- scratch/marketing/supplier-outreach-emails.md — 3 email templates × DE + EN
  (cold intro, founding member pitch, day-7 follow-up); Sie-register throughout
- scratch/marketing/linkedin-posts-launch-week.md — 5 DE launch-week posts
  (<300w each, max 5 hashtags, company-page appropriate)
- scratch/marketing/linkedin-approach.md — company page setup guide + engagement
  strategy (no personal exposure, supplier tagging, SEO backlink approach)

Data sources used: FIP WPR 2024/2025, Playtomic/PwC Global Padel Report 2025,
Padelnomics DuckDB pipeline (12,441 venues / 80 countries / 5,492 cities).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

scratch/marketing/linkedin-approach.md

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+# LinkedIn Strategy for Padelnomics — Company Page Approach
+
+## The Core Constraint
+
+The founder does not want to post under a personal account (work colleagues would see). This rules out personal-profile posting but does not limit reach significantly — **company pages can reach the same audiences** through content, comments, and tags. The difference is attribution.
+
+---
+
+## Step 1: Create the Padelnomics Company Page
+
+**Time required:** 5–10 minutes. Free.
+
+1. Go to linkedin.com → click the grid icon (Work) in the top right → "Create a Company Page"
+2. Select "Small business"
+3. Fill in:
+   - Company name: `Padelnomics`
+   - LinkedIn public URL: `/company/padelnomics`
+   - Website: `https://padelnomics.com` (or current domain)
+   - Industry: "Technology, Information and Internet" (closest fit)
+   - Company size: 1–10 employees
+   - Logo: Upload the Padelnomics logo
+   - Tagline: "Marktdaten für Padel-Investoren und Betreiber" (or EN: "Market data for padel investors and operators")
+4. Add a banner image — ideally a padel court aerial shot or the hero graphic from the landing page
+5. Add a 1–2 sentence "About" description (see below)
+
+**Suggested About text (DE):**
+> Padelnomics kartiert den Padelmarkt auf Stadtebene — mit Buchungsdaten, Standortdichten und bankfertigen Planungstools für Investoren und Betreiber im DACH-Raum und darüber hinaus.
+
+**Suggested About text (EN):**
+> Padelnomics maps the padel market at city level — booking data, venue density, and business planning tools for operators and investors in DACH and beyond.
+
+**Admin privacy:** Your personal LinkedIn profile is listed as Page Admin — but this is NOT publicly visible. Visitors to the company page see only the company, not the admin's name.
+
+---
+
+## Step 2: Operational Setup
+
+- **Post frequency:** 1–2x per week is sustainable and sufficient for an early-stage B2B product. More than that doesn't improve reach at this stage; less than 1x/week loses momentum.
+- **Best posting times (DACH B2B audience):** Tuesday–Thursday, 8–10am or 12–1pm CET
+- **Content mix (suggested ratio):**
+  - 50% data insights + market research (the unique asset)
+  - 25% product/tool updates
+  - 25% engagement questions + industry discussion
+
+- **Languages:** Post in German by default (DACH primary market). For posts with international data (global market reports), consider posting in English or with a brief EN summary at the end.
+
+---
+
+## Step 3: Engagement Without Personal Exposure
+
+Company pages cannot send connection requests or DMs — but they can:
+
+- **Comment on relevant posts** from the Padelnomics company account. This extends reach without requiring personal attribution. Look for posts from padel federations, court manufacturers, sports investment funds, and industry publications.
+- **Tag supplier companies** in directory-related posts: "Wir haben [Firmenname] als Hofbauer in unserem Verzeichnis kartiert." Tagging gives them a notification and increases the chance they reshare — free distribution.
+- **Follow padel-related company pages** from the Padelnomics account: FIP, Premier Padel, national federations, major court manufacturers. LinkedIn shows "followed by Padelnomics" in those pages' follower sections — minor visibility but costs nothing.
+- **Repost industry news** with a short data-oriented comment. E.g., if FIP announces a new tournament, repost and add: "Mit 132 Turnieren in H1 2025 steigt die Mediensichtbarkeit — was erfahrungsgemäß die Erstbuchungen in neuen Märkten treibt."
+
+---
+
+## Step 4: Cross-Posting Articles for SEO Backlinks
+
+LinkedIn allows publishing long-form articles (LinkedIn Articles, distinct from regular posts). Use these to republish the C4 market report or other cornerstone content in abbreviated form — with a canonical link back to padelnomics.com.
+
+**Format:**
+- Title: identical to the article title on the website
+- First 2–3 sections: republished in full
+- End with: "Den vollständigen Bericht inklusive Stadtdaten und Verzeichnis-Links finden Sie auf Padelnomics: [Link]"
+
+LinkedIn Articles rank in Google — this creates a free backlink from a high-authority domain to each cornerstone article.
+
+---
+
+## Step 5: Supplier Tagging Strategy
+
+When adding or featuring suppliers in the directory, tag their company page in a LinkedIn post. This serves multiple purposes:
+
+1. **Notification to the supplier** — they may reshare or comment, exposing Padelnomics to their followers
+2. **Social proof** — "X is listed on Padelnomics" implies credibility
+3. **Algorithmic reach** — tagged companies' followers may see the post in their feed
+
+**Template for supplier feature posts:**
+> [Firmenname] ist jetzt auf Padelnomics gelistet — [eine kurze Beschreibung ihrer Spezialisierung]. Ihr Profil finden Investoren unter [Kategorie] in unserem Zulieferer-Verzeichnis. Zur kompletten Liste: [Link]
+
+Keep these posts short. The tag does the work.
+
+---
+
+## Launch Week Posting Schedule
+
+| Day | Post |
+|-----|------|
+| Monday | Post 1: Launch announcement (origin story) |
+| Wednesday | Post 2: Data insight — "875 Plätze für 84 Mio." |
+| Friday | Post 3: Tool demo — bankfertiger Businessplan |
+| Following Tuesday | Post 4: Supplier directory (with 2–3 supplier tags) |
+| Following Thursday | Post 5: Engagement question |
+
+Then move to 1x/week cadence using the content mix above.
+
+---
+
+## What Not to Do
+
+- **Do not** post motivational content or padel lifestyle photos — this is a data product for B2B buyers, not a sports fan account
+- **Do not** use hashtag dumps (#padel #sport #fitness #investment #tech #startup #germany...) — max 3–5 per post, choose the ones your actual buyers follow
+- **Do not** repost the same article link multiple times in the same week — repurpose the content (share a different data point, a different angle) before linking again
+- **Do not** post about fundraising, product features for their own sake, or generic "we're hiring" content until the platform has demonstrated traction
+
+---
+
+## Metrics to Track (Monthly)
+
+| Metric | Target (3 months post-launch) |
+|--------|-------------------------------|
+| Followers | 200+ |
+| Average post impressions | 300+ |
+| Profile visits per week | 50+ |
+| Website clicks from LinkedIn | 20+/month |
+| Supplier inquiries from LinkedIn | 2–3/month |
+
+These are realistic baselines for a niche B2B product with no paid promotion. Adjust upward once content starts performing.