fix heading hierarchy

Author: hypha

src/content/pages/sponsorship/information.mdx

@@ -189,13 +189,13 @@ Graphics should be submitted directly to Exposale as detailed below.
 
 ---
 
-### Parcel Delivery & Swag
+## Parcel Delivery & Swag
 
 As part of our commitment to reducing the carbon footprint of EuroPython, we’re making the distribution of physical gifts optional. Instead of placing your items in attendee bags, you’ll have the freedom to distribute gifts directly from your booth.
 
 We strongly encourage you to choose gifts made from environmentally friendly materials and focus on quality over quantity to reduce waste.
 
-#### Shipping & Logistics
+### Shipping & Logistics
 Shipping to the venue is **exclusively handled by [DB Schenker](https://www.dbschenker.com/cz-en)**. Please contact their team directly to discuss costs and shipping arrangements.
 
 **📞 Your DB Schenker contacts:**
@@ -221,7 +221,7 @@ Shipping to the venue is **exclusively handled by [DB Schenker](https://www.dbsc
 If you have any questions about shipping or customs, please contact DB Schenker directly.
 
 
-### Leads Collection
+## Leads Collection
 
 We do not provide a dedicated tool for lead collection, but you are welcome to
 engage with attendees and request their information with their consent.You may
@@ -302,7 +302,7 @@ For your recruiting ad on the on-site job board at the venue,
 you can bring a printed ad and pin it to the whiteboard yourself.
 
 
-## Recruiting Session / Talent Track
+### Recruiting Session / Talent Track
 
 The dedicated recruiting session will take place on one of the main conference days between 16 and 18 July,
 and will be part of the official conference schedule. The room and time will be announced closer to the conference date.