:root {
  --ss-card-width: 600px;
  --ss-gap: 2rem;
  --ss-radius: 10px;
  --ss-accent: var(--bs-primary, #0d6efd);
  --ss-accent-hover: var(--bs-primary-dark, #0b5ed7);
  --ss-overlay-bg: rgba(0, 0, 0, 0.55);
  --ss-ease: ease;
}

/* Card */
.success-story--card {
  position: relative;
  width: calc(50% - var(--ss-gap));
  overflow: visible; /* Lets panel render */
  z-index: 1;
  transition: z-index 0s, box-shadow 0.35s ease;
}

.success-story--card:hover,
.success-story--card:focus-within {
  z-index: 200;
}

/* image */
.success-story--img-container {
  aspect-ratio: 4 / 3;
  overflow: visible;
  position: relative;
  z-index: 2;
}

.success-story--img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform-origin: top center;
  transition: transform 0.35s ease;
}

.success-story--card:hover .success-story--img {
  transform: scale(1.15);
}

/* Overlay */
.success-story--overlay {
  position: fixed;
  inset: 0;
  background: var(--ss-overlay-bg);
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.success-story--overlay.is-active {
  opacity: 1;
}

/* Panel opening effect */
.success-story--panel {
  position: absolute;
  top: 0;
  left: 100%;
  width: 0;
  height: 100%;
  overflow: hidden;
  background: #fff;
  border-radius: 0 var(--ss-radius) var(--ss-radius) 0;
  box-shadow: 4px 4px 20px rgba(0, 0, 0, 0.15);
  transition: width 0.35s ease;
}

.success-story--card:hover .success-story--panel,
.success-story--card:focus-within .success-story--panel  {
  width: var(--ss-card-width);
}

.success-story--card--expand-left .success-story--panel {
  left: auto;
  right: 100%;
  border-radius: var(--ss-radius) 0 0 var(--ss-radius);
}

/* panel fade in effect */
.success-story--panel-inner {
  width: var(--ss-card-width);
  height: 100%;
  opacity: 0;
  transition: opacity 0.2s ease 0.18s;
}

.success-story--card:hover .success-story--panel-inner,
.success-story--card:focus-within .success-story--panel-inner {
  opacity: 1;
}

/* title */
.success-story--card-title {
  padding: 0.5rem 1rem;
  z-index: 1;
  position: relative;
}

/* grid max width */
.success-story--grid {
  width: 100%
}

/* hero */
.success-story--hero-img {
  width: 100%;
}

@media (max-width: 768px) {
  .success-story--card {
    position: relative;
    width: 100%;
    overflow: visible; /* Lets panel render */
  }
}