Modern Button Collection

Generate several examples of modern, aesthetic, and responsive HTML + CSS buttons. Focus on: Glassmorphism Buttons, Gradient Buttons, Material Design Buttons ✅ The style should be ultra-modern, incorporating effects such as: * smooth transitions, * box shadows, * subtle hover animations, * gradients or glassmorphism/neuomorphism, * rounded corners, pastel colors, and optional SVG icons. ❗ Please ensure: * clean, well-commented code, * responsive design, * compatibility with modern browsers. Optionally: provide a version using Tailwind CSS, Bootstrap 5, or another lightweight UI framework. Suggested design inspirations: * Apple/macOS/iOS-style buttons, * Google’s Material Design, * minimalistic glassmorphism, * dark theme with neon highlights. Include the full HTML + CSS code for each example.