Smooth Text Slide-out Reveal Animation with Staggered Timing

The letter slide-out effect allows you to create dynamic text reveal animations where letters smoothly expand from hidden to visible states.

It works by initially hiding letters with zero width and opacity, then expanding them sequentially when triggered by hover events.

This text reveal animation is ideal for interactive logos, dynamic headlines, or labels when there is limited space for text on a web page.

Features:

• Pure CSS transitions with minimal JavaScript for reverse animation timing
• Configurable stagger delays for each letter reveal
• Smooth cubic-bezier easing for professional animation curves
• Responsive font sizing using clamp() function
• Customizable color schemes for different letter groups
• Lightweight implementation with no external dependencies

See it in action:

How to use it:

1. Wrap your text in a container with the text-display class. Each letter requires a separate span element with a unique CSS class:

<div class="text-display">
  <span class="letter-c1">C</span>
  <span class="letter-s1">S</span>
  <span class="letter-s1">S</span>
  <span class="letter-s3">S</span>
  <span class="letter-c2">C</span>
  <span class="letter-r">R</span>
  <span class="letter-i">I</span>
  <span class="letter-p">P</span>
  <span class="letter-t">T</span>
</div>

2. Apply the base styles and animation properties:

• The letters to be revealed are initially hidden by setting their max-width and opacity to 0.
• The overflow: hidden property prevents the content of the <span> from being visible while its width is zero.
• On :hover of the parent .text-display container, we transition max-width to a value large enough to contain the letter (e.g., 200px) and opacity to 1.
• The staggered effect is created by applying a different transition-delay to each letter.

.text-display {
  font-size: clamp(7rem, 20vw, 15rem);
  font-weight: 800;
  color: #2a2a2a;
  display: flex;
  align-items: baseline;
  letter-spacing: -0.03em;
  line-height: 0.85;
}

.letter-c1 {
  position: relative;
  z-index: 10;
}

.letter-c2,
.letter-s1,
.letter-s2,
.letter-s3,
.letter-r,
.letter-i,
.letter-p,
.letter-t {
  max-width: 0;
  overflow: hidden;
  opacity: 0;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.letter-s3,
.letter-c2,
.letter-r,
.letter-i,
.letter-p,
.letter-t {
  color: #3b82f6;
  font-weight: 600;
}

.text-display:hover .letter-s1 {
  max-width: 200px;
  opacity: 1;
  transition-delay: 0.05s;
}

.text-display:hover .letter-s2 {
  max-width: 200px;
  opacity: 1;
  transition-delay: 0.1s;
}

.text-display:hover .letter-s3 {
  max-width: 200px;
  opacity: 1;
  transition-delay: 0.13s;
}

.text-display:hover .letter-c2 {
  max-width: 200px;
  opacity: 1;
  transition-delay: 0.16s;
}

.text-display:hover .letter-r {
  max-width: 200px;
  opacity: 1;
  transition-delay: 0.19s;
}

.text-display:hover .letter-i {
  max-width: 200px;
  opacity: 1;
  transition-delay: 0.22s;
}

.text-display:hover .letter-p {
  max-width: 200px;
  opacity: 1;
  transition-delay: 0.28s;
}

.text-display:hover .letter-t {
  max-width: 200px;
  opacity: 1;
  transition-delay: 0.33s;
}

3. Add the JavaScript to handle reverse animation timing:

document.addEventListener("DOMContentLoaded", function () {
  const container = document.querySelector(".container");
  const letters = document.querySelectorAll('[class^="letter-"]:not(.letter-c1)');
  container.addEventListener("mouseleave", function () {
    letters.forEach((letter, index) => {
      const reverseDelay = (letters.length - index - 1) * 0.03;
      letter.style.transitionDelay = `${reverseDelay}s`;
    });
  });
  container.addEventListener("mouseenter", function () {
    const delays = [0.05, 0.1, 0.13, 0.16, 0.19, 0.22, 0.28, 0.33];
    letters.forEach((letter, index) => {
      letter.style.transitionDelay = `${delays[index]}s`;
    });
  });
});

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