docs: clarify nvidia cuda ai support (#378)

apps/landing/src/components/FeatureHighlights.astro

@@ -141,7 +141,7 @@ const aiPillColors = [
         <p class="mt-4 text-base leading-relaxed text-muted">
           19 local AI tools for OCR, transcription, background removal, upscaling, and more.
           No external API keys, no per-request charges, no data sent to third-party AI providers.
-          Runs on your GPU or CPU within your own infrastructure.
+          Runs on CPU or NVIDIA CUDA within your own infrastructure.
         </p>
       </div>
       <div class="md:order-2">

apps/landing/src/data/alternatives.ts

@@ -195,7 +195,7 @@ export const ALTERNATIVES: Alternative[] = [
     pageTitle: "The Open-Source, Self-Hosted Alternative to Otter.ai",
     h1: "The open-source, self-hosted alternative to Otter.ai",
     metaDescription:
-      "Otter.ai transcribes audio in the cloud. SnapOtter transcribes on your own GPU or CPU with local Whisper models. No upload, no per-minute fees. Open source, AGPLv3.",
+      "Otter.ai transcribes audio in the cloud. SnapOtter transcribes on your own CPU or NVIDIA CUDA GPU with local Whisper models. No upload, no per-minute fees. Open source, AGPLv3.",
     intro:
       "Otter.ai uploads your recordings to transcribe them in the cloud. SnapOtter runs speech-to-text on your own hardware with local models, so sensitive recordings never leave your network.",
     breadth:
@@ -204,7 +204,7 @@ export const ALTERNATIVES: Alternative[] = [
     rows: [
       {
         feature: "Where your audio goes",
-        snapotter: "Your own server / GPU",
+        snapotter: "Your own server",
         competitor: "Their cloud",
         snapotterWins: true,
       },
@@ -242,7 +242,7 @@ export const ALTERNATIVES: Alternative[] = [
     faqs: [
       {
         q: "Is there a self-hosted Otter.ai alternative?",
-        a: "Yes. SnapOtter runs transcription locally with Whisper models on your own GPU or CPU. No audio is uploaded to a third party.",
+        a: "Yes. SnapOtter runs transcription locally with Whisper models on your own CPU or NVIDIA CUDA GPU. No audio is uploaded to a third party.",
       },
       {
         q: "Do I need a GPU?",

apps/landing/src/data/tool-seo.ts

@@ -3012,14 +3012,14 @@ export const TOOL_SEO: Record<string, ToolSeo> = {
       },
       {
         q: "Can I remove backgrounds from hundreds of product images at once?",
-        a: "Yes. Upload your entire product catalog and batch process them all. Each image gets the same AI treatment. Processing time depends on your hardware, but GPU acceleration is supported.",
+        a: "Yes. Upload your entire product catalog and batch process them all. Each image gets the same AI treatment. Processing time depends on your hardware, and NVIDIA CUDA acceleration is supported.",
       },
     ],
   },
   upscale: {
     searchTitle: "Upscale Image with AI - Enhance Resolution",
     longDescription:
-      "Upscale images using AI super-resolution models that add genuine detail, not just interpolated blur. Supports 2x and 4x scaling with models trained on real-world photography. Runs locally with GPU acceleration when available.",
+      "Upscale images using AI super-resolution models that add genuine detail, not just interpolated blur. Supports 2x and 4x scaling with models trained on real-world photography. Runs locally with NVIDIA CUDA acceleration when available.",
     useCases: [
       "Upscale low-resolution product images for high-DPI displays",
       "Enlarge social media photos for print without losing quality",
@@ -3029,7 +3029,7 @@ export const TOOL_SEO: Record<string, ToolSeo> = {
     features: [
       "2x and 4x AI upscaling with RealESRGAN",
       "Adds genuine detail, not interpolation blur",
-      "GPU acceleration (CUDA) when available",
+      "NVIDIA CUDA acceleration when available",
       "Optimized models for photos, anime, and general content",
       "Runs 100% locally with no cloud dependency",
     ],
@@ -3040,11 +3040,11 @@ export const TOOL_SEO: Record<string, ToolSeo> = {
       },
       {
         q: "How large can I upscale an image?",
-        a: "SnapOtter supports 2x and 4x scaling. A 500x500 image becomes 1000x1000 at 2x or 2000x2000 at 4x. Processing time increases with the output size and depends on whether you have GPU acceleration.",
+        a: "SnapOtter supports 2x and 4x scaling. A 500x500 image becomes 1000x1000 at 2x or 2000x2000 at 4x. Processing time increases with the output size and depends on whether NVIDIA CUDA acceleration is available.",
       },
       {
         q: "Do I need a GPU for AI upscaling?",
-        a: "A GPU (NVIDIA CUDA) significantly speeds up processing, but it is not required. CPU-only mode works on any hardware, just slower. A typical photo takes seconds on GPU, minutes on CPU.",
+        a: "An NVIDIA CUDA GPU significantly speeds up processing, but it is not required. CPU-only mode works on any hardware, just slower. A typical photo takes seconds on CUDA, minutes on CPU.",
       },
     ],
   },