Motion should explain the experience—not hold it hostage.

The page must make sense before the timeline runs.

Headings, paragraphs, links, and page structure should exist as real HTML. Animation can reveal, connect, and sequence them, but it should not be the only way content becomes available to a user or crawler.

This separation creates a clean failure mode. If a library loads late, reduced motion is enabled, or a device struggles, the page still explains the company and offers a next action.

• Semantic headings and sections
• Real anchor links with href
• Readable content without animation
• Canonical metadata in the initial HTML

Do not squeeze desktop choreography into a smaller rectangle.

A phone changes viewport height, input method, memory pressure, scroll distance, and the amount of context visible at once. The motion system should use shorter holds, simpler transitions, fewer simultaneous layers, and normal flow when pinning becomes fragile.

The visual idea can stay consistent while timing and geometry change. Fidelity means preserving the intention—not preserving every desktop coordinate.

• Shorter sequences and safer scroll distances
• Touch-sized controls
• Layout that survives browser chrome changes
• Dedicated RTL and landscape checks

Every heavy effect needs to earn its place.

Large images, device frames, pinned sections, blur, video, and layered transforms all compete for the same device resources. Choose the moments that carry the story and make the rest lighter.

Use responsive image formats, explicit dimensions, lazy loading below the fold, transform-based motion, and careful cleanup when a scene ends. Measure the built page instead of trusting the smoothest development machine.

Reduced motion and direct navigation are part of the design.

People may prefer less motion, arrive on a deep link, use a keyboard, or return to a section from browser history. The site should respect those paths without trapping content behind a scroll performance.

A good motion system knows when to step aside. The interface remains the product; animation is one way it communicates.

• Honor prefers-reduced-motion
• Keep focus order logical
• Avoid scroll traps
• Restore stable layout after resizing
• Test deep links and reloads