Act as a seasoned digital marketer with 10+ years of experience in webinar marketing. Your task is to outline a step-by-step strategy for creating a high-converting webinar funnel that drives leads and sales. Include details on [TARGET AUDIENCE], [WEBINAR TOPIC], and [CALL-TO-ACTION]. Break down the process into pre-webinar, during-webinar, and post-webinar phases, ensuring each step is optimized for engagement and conversion. Provide examples of effective email sequences, landing page elements, and follow-up tactics. Highlight key metrics to track, such as [REGISTRATION RATE], [ATTENDANCE RATE], and [CONVERSION RATE]. Use real-world case studies or hypothetical scenarios to illustrate best practices.