Stable Diffusion XL Prompt - matte painting, sci-fi fantasy, epic architecture, glow portals, techno-organic weld seams, pearl white & storm blue palette

{
    "camera": "wide-angle, low-angle view, 3/4 perspective, epic scale",
    "color_palette": [
        "pearl white",
        "storm blue",
        "deep navy",
        "icy cyan"
    ],
    "composition": "centered gateway as focal point, generous negative space, symmetrical arch, rune rows framing the gateway",
    "lighting": "soft fill with storm-blue rim light, volumetric portal glow, subtle specular on weld seams",
    "negative_prompt": "low-res, blurry, artifacts, watermark, logo, text, misshapen anatomy, extra limbs",
    "product_constraints": {
        "background": "scene",
        "bleed_safe_area": "keep key art within 85% center area",
        "print_notes": "300 DPI minimum; strong contrast on light backgrounds; edge-to-edge print-ready; crisp weld seams and rune glow; scalable for large posters",
        "product_type": "poster"
    },
    "prompt_core": "A monumental quantum rune gateway rises from a velvet void, its pearl-white plates welded with storm-blue seams, rendered in a painterly matte painting style; luminous blue sigils float along the arch, channeling a translucent portal at its core with ancient-meets-futuristic geometry.",
    "render_specs": {
        "aspect_ratio": "3:4",
        "cfg_guidance": "9",
        "model_hint": "SDXL",
        "quality": "ultra",
        "resolution_hint": "4096x5464",
        "seed": "random"
    },
    "style_tags": [
        "matte painting",
        "sci-fi fantasy",
        "epic architecture",
        "glow portals",
        "techno-organic weld seams",
        "pearl white \u0026 storm blue palette"
    ],
    "variants": [
        "Variant #1: heavier weld seams with steely texture, cooler lighting, more pronounced glow",
        "Variant #2: warmer dawn mood, softer pearl whites, subtle mist, gentle blue glow",
        "Variant #3: high-contrast, sharply defined runes and portal core, crisp line work, minimal shading"
    ]
}