/* Shared open-invitation signal for the static product briefs. Product pages
   supply --halo, --halo-soft and --halo-line; this file owns the consistent
   motion. */

.partner-callout {
  overflow: hidden;
  scroll-margin-top: 2rem;
}

.partner-callout-title {
  position: relative;
  width: fit-content;
  margin: 0 auto 1.4rem;
  color: var(--halo);
  text-shadow: 0 0 24px var(--halo-soft);
}

.partner-callout-title::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -0.55rem;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--halo), transparent);
  transform: scaleX(0.28);
  opacity: 0.6;
  animation: partner-signal-title 7s ease-in-out infinite;
}

.video-scroll-cue {
  display: inline-flex;
  width: 100%;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  margin: 1.1rem auto 0;
  color: var(--ink-3);
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-family: var(--font-body);
  font-size: 0.65rem;
  line-height: 1;
  font-weight: 700;
  opacity: 0.9;
}

.video-scroll-cue:focus-visible {
  outline: 1px solid var(--halo-soft);
  outline-offset: 4px;
}

.video-scroll-cue-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border: 1px solid var(--hair);
  border-radius: 999px;
  color: var(--halo);
  font-size: 0.78rem;
  line-height: 1;
  animation: video-scroll-bob 1.4s ease-in-out infinite;
}

.video-scroll-cue:hover,
.video-scroll-cue:focus-visible {
  color: var(--halo);
}

.video-scroll-cue:hover .video-scroll-cue-icon,
.video-scroll-cue:focus-visible .video-scroll-cue-icon {
  border-color: var(--halo);
}

@keyframes partner-signal-title {
  0%,
  72%,
  100% {
    transform: scaleX(0.28);
    opacity: 0.45;
  }

  84% {
    transform: scaleX(1);
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .partner-callout-title::after,
  .video-scroll-cue-icon {
    animation: none;
  }

  .video-scroll-cue {
    opacity: 1;
  }
}

@keyframes video-scroll-bob {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(4px);
  }
}