VertexAI Hero

Build a high-performance, agency-grade Hero Section section called "VertexAI Hero" in React 19, TypeScript, and Tailwind CSS with Framer Motion.

## 1. Overview & Visual Objective
Build a React + TypeScript + Vite hero section for a fictional brand "VertexAI". Render a full-viewport hero with a looping background video, a frosted-glass navbar, a centered headline using mixed sans + italic-serif typography, and a footer row with a description on the left and tag buttons on the right. Follow this spec verbatim — class names, values, copy, SVG paths, padding, opacity, and all CSS must match exactly.

Visual Aesthetics & Mood:
full viewport looping video backdrop frosted glass navbar centered headline mixing clean sans with italic serif accents footer row description and tag buttons dark cinematic elegant minimal premium balanced polished modern

## 2. Technical Stack & Dependencies
- Framework: React 19 + TypeScript + Vite
- Styling: Tailwind CSS v4 + Lucide React icons
- Animation Engine: Framer Motion (layout animations, spring physics, scroll-linked parallax)