Card Stack Choreography

代码

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-content: center;
  background: #060a12;
  color: #f2f7ff;
  font-family: "Avenir Next", sans-serif;
}
.back {
  position: fixed;
  top: 14px;
  left: 14px;
  color: #86e8ff;
  text-decoration: none;
}
h1 {
  text-align: center;
  margin: 0 0 1rem;
}
.stack {
  position: relative;
  width: min(88vw, 520px);
  height: 340px;
}
.card {
  position: absolute;
  inset: 0;
  border-radius: 18px;
  display: grid;
  place-content: center;
  font-size: 2rem;
  font-weight: 800;
  border: 1px solid #344865;
  background: linear-gradient(150deg, #223652, #6f3eb2);
}
.card:nth-child(2) {
  background: linear-gradient(150deg, #2a4454, #2e6cb3);
}
.card:nth-child(3) {
  background: linear-gradient(150deg, #4d2f69, #6c3eb2);
}
.card:nth-child(4) {
  background: linear-gradient(150deg, #3f4b7d, #486bb0);
}

if (!window.MotionPreference) {
  const __mql = window.matchMedia("(prefers-reduced-motion: reduce)");
  const __listeners = new Set();

  const MotionPreference = {
    prefersReducedMotion() {
      return __mql.matches;
    },
    setOverride(value) {
      const reduced = Boolean(value);
      document.documentElement.classList.toggle("reduced-motion", reduced);
      window.dispatchEvent(new CustomEvent("motion-preference", { detail: { reduced } }));
      for (const listener of __listeners) {
        try {
          listener({ reduced, override: reduced, systemReduced: __mql.matches });
        } catch {}
      }
    },
    onChange(listener) {
      __listeners.add(listener);
      try {
        listener({
          reduced: __mql.matches,
          override: null,
          systemReduced: __mql.matches,
        });
      } catch {}
      return () => __listeners.delete(listener);
    },
    getState() {
      return { reduced: __mql.matches, override: null, systemReduced: __mql.matches };
    },
  };

  window.MotionPreference = MotionPreference;
}

const reduced = window.MotionPreference.prefersReducedMotion();
const cards = Array.from(document.querySelectorAll(".card"));

cards.forEach((c, i) => {
  c.style.transform = `translateY(${i * 10}px) scale(${1 - i * 0.03})`;
  c.style.zIndex = String(cards.length - i);
});

if (!reduced && window.gsap) {
  const tl = window.gsap.timeline({ repeat: -1, repeatDelay: 0.6 });
  cards.forEach((c, i) => {
    tl.to(
      c,
      { y: -220, rotation: i % 2 ? 9 : -9, opacity: 0, duration: 0.45, ease: "power2.in" },
      i * 0.22
    ).set(c, { y: 0, rotation: 0, opacity: 1 }, i * 0.22 + 0.46);
  });
}

<!doctype html>
<html lang="en"><head><meta charset="UTF-8" /><meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Demo 07 - Card Stack Choreo</title><link rel="stylesheet" href="style.css" /></head>
<body>
<a class="back" href="../">Back</a>
<main>
  <h1>Card Stack Choreography</h1>
  <div class="stack" id="stack">
    <article class="card">Card 01</article>
    <article class="card">Card 02</article>
    <article class="card">Card 03</article>
    <article class="card">Card 04</article>
  </div>
</main>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/gsap.min.js"></script>
<script src="script.js"></script>
    </body></html>

Looping card stack transforms for staged reveal sequences.

Source

Repository: libs-gen
Original demo id: 07-card-stack-choreo

Notes

Looping card stack transforms for staged reveal sequences.