.journey-comparison {
  --journey-reveal: 42%;
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 5px solid var(--public-paper);
  border-radius: var(--public-radius-lg);
  background: var(--public-green-deep);
  box-shadow: var(--public-shadow-lg);
  isolation: isolate;
}

.journey-comparison .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  padding: 0;
  border: 0;
  margin: -1px;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.journey-comparison__image,
.journey-comparison__earlier {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.journey-comparison__image {
  display: block;
  object-fit: cover;
}

.journey-comparison__image--today {
  filter: saturate(0.94) contrast(1.03);
}

.journey-comparison__earlier {
  z-index: 2;
  overflow: hidden;
  clip-path: inset(0 calc(100% - var(--journey-reveal)) 0 0);
}

.journey-comparison__image--earlier {
  filter: saturate(0.82) contrast(1.04);
}

.journey-comparison__divider {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--journey-reveal);
  z-index: 4;
  width: 2px;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 0 20px rgba(13, 39, 34, 0.55);
  pointer-events: none;
  transform: translateX(-1px);
}

.journey-comparison__divider span {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 2px solid #fff;
  border-radius: 50%;
  background: var(--public-green-deep);
  color: #fff;
  box-shadow: var(--public-shadow-sm);
  font-size: 1.15rem;
  transform: translate(-50%, -50%);
}

.journey-comparison.is-focused .journey-comparison__divider span {
  outline: 4px solid var(--public-gold);
  outline-offset: 4px;
}

.journey-comparison__label {
  position: absolute;
  bottom: 1rem;
  z-index: 5;
  padding: 0.5rem 0.72rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  background: rgba(13, 39, 34, 0.82);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
}

.journey-comparison__label--earlier {
  left: 1rem;
}

.journey-comparison__label--today {
  right: 1rem;
}

.journey-comparison__range[hidden] {
  display: none;
}

.journey-comparison__range {
  position: absolute;
  inset: 0;
  z-index: 6;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: ew-resize;
}

.journey-comparison__instruction {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  margin: 0.9rem 0 0;
  color: currentColor;
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.045em;
  text-align: center;
  text-transform: uppercase;
  opacity: 0.68;
}

.journey-comparison__instruction::before {
  content: "↔";
  font-size: 1rem;
}

@media (max-width: 560px) {
  .journey-comparison {
    aspect-ratio: 4 / 3;
    border-width: 4px;
    border-radius: 24px;
  }

  .journey-comparison__divider span {
    width: 42px;
    height: 42px;
  }

  .journey-comparison__label {
    bottom: 0.7rem;
    max-width: calc(50% - 1.25rem);
    padding: 0.4rem 0.55rem;
    font-size: 0.58rem;
    letter-spacing: 0.07em;
  }

  .journey-comparison__label--earlier {
    left: 0.7rem;
  }

  .journey-comparison__label--today {
    right: 0.7rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .journey-comparison,
  .journey-comparison * {
    scroll-behavior: auto;
    transition: none;
  }
}