Accordion Panorama Cards

<!--
  Author: @yara_h
  License: MIT
  Tags: #buttons #css #interface #opensource #codepeek
-->
<div class="accordion-row">
  <div class="accordion-row__panel" style="--c1:#0ea5e9;--c2:#0369a1;">
    <span>Ocean</span>
  </div>
  <div class="accordion-row__panel" style="--c1:#22c55e;--c2:#15803d;">
    <span>Forest</span>
  </div>
  <div class="accordion-row__panel" style="--c1:#f97316;--c2:#c2410c;">
    <span>Desert</span>
  </div>
  <div class="accordion-row__panel" style="--c1:#a855f7;--c2:#6b21a8;">
    <span>Dusk</span>
  </div>
</div>

/*
 * Author: @yara_h
 * License: MIT
 * Tags: #buttons #css #interface #opensource #codepeek
 */

.accordion-row {
  display: flex;
  width: 400px;
  height: 200px;
  gap: 6px;
  border-radius: 16px;
  overflow: hidden;
}
.accordion-row__panel {
  position: relative;
  flex: 1;
  border-radius: 12px;
  background: linear-gradient(160deg, var(--c1), var(--c2));
  transition: flex 0.5s cubic-bezier(0.65, 0, 0.35, 1);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.accordion-row__panel:hover {
  flex: 3.5;
}
.accordion-row__panel span {
  padding: 16px;
  font-family: system-ui, sans-serif;
  font-weight: 700;
  color: #fff;
  font-size: 15px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s ease 0.15s, transform 0.3s ease 0.15s;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}
.accordion-row__panel:hover span {
  opacity: 1;
  transform: translateY(0);
}