feat(animation): add GSAP intro timeline for hero content
Import GSAP in Hero.svelte and create a heroTl timeline that animates the
hero content, arrow navigation and info line smoothly into view on mount.
refs #193
style(hero): update hero layout and info line to match design
Adjust hero overlay, slide stacking, typography and spacing. Restructure the
info line with CTA button and opening times, and update responsive styles
to align with the new hero design.
refs #193
feat(hero): implement image slideshow with navigation controls
Refactor Hero.svelte to use a slides array with dynamic background images.
Add current index state, auto-advance interval, and previous/next arrow
navigation with slide counter.
refs #193
chore(assets): add hero background images for slideshow
Replaced hero background image with the new background-1/2/3 images to be used in slideshow.
refs #193
refactor(navbar): update sidepanel layout and footer position
Make the sidepanel inner container full height and relative, and reposition
the sidepanel footer absolutely at the bottom-right.
refs #192
feat(header): add translucent blurred background
Change header background to a semi-transparent overlay and add backdrop blur to match the new glassmorphism header design.
refs #192
