Infográfico de lingua gestual com 9 gestos essenciais

Card grid infographic titled "Língua Gestual Internacional: Gestos Essenciais". 9 uniform cards in a clean grid, poster editorial illustration with photorealistic educational style, palette of friendly primary colors, neutral background, anatomically accurate adult hands, realistic skin texture, accessible layout. Each card contains a clear central hand-gesture diagram/photo-style rendering, the name in Portuguese with canonical international reference where useful, and a one-line description in Portuguese. Include subtle arrows and motion indicators where needed for movement-based gestures, readable Portuguese headings, and simple labeled panel structure.

Cards to include:
1. "Olá (Hello)" — saudação simples com mão aberta junto à cabeça.
2. "Obrigado (Thank you)" — gesto de agradecimento com movimento da mão a partir do queixo.
3. "Por favor (Please)" — gesto educado para fazer um pedido com cortesia.
4. "Sim (Yes)" — sinal curto e claro para confirmação.
5. "Não (No)" — sinal direto para negação.
6. "Ajuda (Help)" — gesto básico para pedir ou oferecer ajuda.
7. "Eu / Mim (I / Me)" — apontar para si próprio para indicar a primeira pessoa.
8. "Tu / Você (You)" — apontar para a outra pessoa para indicar interlocutor.
9. "Amigo / Amizade (Friend)" — gesto comum para relação amigável.

For each card: show step-by-step hand positions if needed, one central realistic hand pose or two-step sequence, Portuguese card title, and one concise description line in Portuguese. Add small motion arrows in Portuguese-labeled style where relevant, such as "movimento" or "direção". Overall composition should feel like a classroom teaching poster, clean, realistic, welcoming, and easy for Portuguese-speaking beginners to follow. All text MUST be written in Portuguese (pt). Every heading, label, caption, legend and metric name in the image must be in Portuguese — not English. Spell each Portuguese word correctly using Portuguese characters and diacritics. Numbers stay as digits, no real brand logos, no watermarks Anatomically accurate hand positions. Verify with deaf-community resources.