Velia — Référence de design web et prompt

Build a single standalone index.html (all CSS and JS inline, no build step, no local assets) for a premium AI creative-direction landing page called "Velia". Recreate it exactly as specified. All images and videos load directly from the CloudFront URLs given. The page must be fully mobile responsive with smooth, premium, staggered animations. Where this prompt gives code marked VERBATIM, copy it exactly as written; do not rewrite, simplify or "improve" it.

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1. HEAD: FONTS, LIBRARIES, TOKENS
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<title>Velia — Creative AI, Redesigned</title>
<meta name="description" content="Shape ideas into polished creative pathways.">
<meta name="viewport" content="width=device-width, initial-scale=1">
Google Font "Inter Tight" (preconnect to fonts.googleapis.com and fonts.gstatic.com):
https://fonts.googleapis.com/css2?family=Inter+Tight:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&display=swap
Lenis smooth scroll, loaded right before the main script at the end of body:
<script src="https://cdn.jsdelivr.net/npm/lenis@1.1.13/dist/lenis.min.js"></script>