PROJECT · FRONTEND & DESIGN

Curve Studio. Curves that follow your content.

A sweeping curve can look great on a desktop screen yet become distorted or disconnected from the content when the viewport gets smaller.

I built Curve Studio to solve that problem: a free browser-based S-curve editor with a live preview and separate HTML and CSS export.

Instead of treating the background shape as a fixed screenshot, the transition is designed to respond to the layout.

Open Curve Studio How it works
Live controlsWidth, height and radius
Responsive previewUndistorted curves
HTML & CSSCopy separately
No dependenciesBrowser-only editor

THE IDEA

A design detail became a practical tool.

I wanted the white content area to blend smoothly into a colored hero, framed by two elegant S-curves instead of ordinary rounded corners.

Early versions worked at only one screen size. On narrow screens they became compressed; on ultrawide displays they drifted away from the content.

The solution: anchor the curves to the content container, not the overall viewport.

PROBLEM → SOLUTION → RESULT

Curve Studio at a glance

Fixed pixel heights can distort transitions. Curve Studio anchors smooth SVG shapes to the content and produces code ready to integrate.

Overview of curve distortion, content anchoring and Curve Studio
Overview: from a responsive design problem to reusable code.
01 · The problem

Viewport-dependent curves distort during resizing or drift away from the main content.

02 · The approach

Two SVG curves maintain a fixed offset from the centered content container.

03 · Your result

Fine-tune dimensions live, then export HTML and CSS separately for your own project.

HOW IT WORKS

Fixed geometry. Flexible content.

Two mirrored SVG paths with cubic Bézier curves create the transition. They follow the content track while extra space is filled on the outside instead of stretching the curves.

How fixed-width curves behave on wide, standard and narrow layouts
Curve geometry remains consistent across different viewport widths.

Wide monitors

Additional space grows outside the content. The curves remain close to the text instead of moving toward the viewport edges.

Standard viewports

The shape stays consistent without horizontal stretching or changing the Bézier geometry.

Narrow screens

Curves can extend beyond the visible edges while the actual content layout wraps independently.

01

Content-aligned

A configurable gap keeps curves tied to the content track, even on ultrawide displays.

02

Shape preserved

Each curve keeps its own width, height and rounding instead of being distorted by browser width.

03

Clean clipping

When space gets tight, outer curve edges are clipped rather than compressed.

04

Reusable export

HTML and CSS are generated from your settings. The exported layout does not need JavaScript.

USE CASES

Designed for real interfaces

Curve Studio transitions can visually connect hero sections and page content on landing pages, project pages, SaaS products and custom sites.

Four illustrated use cases for content-aligned S-curves
Four different website contexts using smooth hero transitions.

Landing pages

Introduce your offer with a clear hero and a smooth transition into the main content.

Project pages

Connect strong visuals and editorial content in one coherent layout.

Product & SaaS sites

Build calm, contemporary transitions around product and feature sections.

Custom web applications

Reuse the exported code in custom templates or CMS components.

TRY IT YOURSELF

Your own S-curve in three steps.

Use the editor directly in your browser without signing up, installing software or loading external UI libraries.

1

Set up the layout

Define overall width, hero height, content width and the vertical content position.

2

Shape the curves

Adjust curve height, width, rounding and spacing with instant feedback.

3

Copy the code

Open the export panel and copy HTML and CSS separately into your project.

THE LIVE EDITOR

Your layout. Your curves.

Shape your transitions live, test the responsive preview and copy the HTML and CSS into your project.

Open Curve Studio

WHO IT'S FOR

For developers, designers and curious makers.

Curve Studio works for landing pages, product pages and websites with organic transitions, wherever border-radius alone is not enough.

The export is a standalone example. Adapt it to your own design system and test it at your breakpoints.

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