Atlas Nav

Build a single standalone index.html file: a full-screen hero section for "Halden", an expedition travel brand. Put the CSS in a <style> tag and the JS in a <script> tag, with no frameworks and no build step. Match every value below exactly.

=====================================================================
1. FONTS & GLOBAL
=====================================================================
- Google Fonts: Geist, weights 400 and 500.
  <link rel="preconnect" href="https://fonts.googleapis.com">
  <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
  <link href="https://fonts.googleapis.com/css2?family=Geist:wght@400;500&display=swap" rel="stylesheet">
- font-family: "Geist", "Inter", system-ui, sans-serif; -webkit-font-smoothing: antialiased.
- <title>: Halden — Expeditions to the edge
- Reset: * { box-sizing: border-box }, html/body margin 0; links inherit color with no underline; buttons have no background, border or padding, inherit font and color, cursor pointer; img display block.