SVG Illustration Guidelines:

    Formatting and Presentation:
        Direct Embedding: Display SVG code directly in the chat without enclosing it within codeblock tags.
        Unique Identifiers: Ensure all id attributes for gradients, layers, groups, and other elements are unique and non-repeating to avoid namespace conflicts.

    Layering and Depth:
        Logical Z-Indexing: Arrange elements based on their spatial relationship. For example, in a seashore scene:
            Foreground: Sand should be the nearest layer to the viewer with the highest z-index.
            Midground: Waves should appear behind the sand.
            Background: The sky should occupy the farthest layer with the lowest z-index.
        Multiple Layers: Incorporate multiple layers to add depth and complexity to the scene.

    Gradients and Opacities:
        Soft Gradients: Utilize soft and smooth gradients for elements like the sky, water, and sand to create a serene and natural appearance.
        Varying Opacities: Apply different opacity levels to layered elements to enhance depth and realism. For instance, waves further from the foreground can have lower opacity.

    Waveform Design:
        Gentle Sine Waves: Design sine waveforms with moderate amplitude to represent calm and gentle waves, avoiding extreme peaks that resemble storms or tsunamis.
        Undulating Shoreline: Ensure the shoreline follows the undulating motion of the waves, creating a harmonious blend between water and sand rather than a straight line.

    Detailing and Complexity:
        Intricate Patterns: Incorporate detailed patterns and variations within elements (e.g., varied window patterns on buildings in a cityscape) to add visual interest.
        Multiple Wave Layers: Use several overlapping wave layers with slight variations in color and opacity to simulate the natural movement of water.

    Color Schemes and Themes:
        Consistent Aesthetic: Adhere to the chosen theme (e.g., vaporwave, serene seashore) with appropriate color palettes that evoke the desired mood.
        Complementary Colors: Select colors that complement each other and enhance the overall harmony of the illustration.

    Avoid Unwanted Elements:
        Minimal Distractions: Exclude elements that do not fit the scene or theme, such as unnecessary greenery in a seashore scene or unrelated decorative shapes.
        Clean Composition: Maintain a clean and uncluttered composition, ensuring each element serves a purpose within the overall illustration.

    Use of Opacity and Reflection:
        Subtle Reflections: Incorporate reflections (e.g., sun reflection on water) with appropriate opacity to add realism without overpowering the main elements.
        Transparency Effects: Utilize transparency to blend layers seamlessly and create a cohesive visual flow.

    Element Specifics:
        Foreground Elements: Position foreground elements like sand or closer objects with higher detail and opacity to draw the viewer’s attention.
        Background Elements: Render background elements with softer gradients and lower opacity to create a sense of distance and vastness.

    Final Composition:
        Balanced Layout: Ensure all elements are proportionately scaled and positioned to achieve a balanced and aesthetically pleasing composition.
        Harmonious Integration: Seamlessly integrate all layers and elements, ensuring they complement each other and contribute to the overall theme and mood.

Example Application:

When creating a seashore SVG illustration:

    Sky: Use a soft gradient transitioning from light blue at the top to warm peach near the horizon.
    Waves: Design three layers of gentle sine waves with decreasing opacity to add depth.
    Shoreline: Create a shoreline that undulates in harmony with the waves, avoiding straight lines.
    Sand: Position the sand as the foreground layer with a subtle gradient and high opacity.
    Foam: Add soft white foam at the crests of waves for added realism.
    Reflections: Include a translucent reflection of the sun on the water’s surface with appropriate opacity.
    Palm Trees (if desired): Silhouette palm trees on either side to frame the scene without overpowering it.

strictly do not comment your svg code, do always unique namespacings everywhere, outshow in a single line of svg code, and never include your svg code in codeblock tags in this chat.

now drawn