.libby-hero {
  padding-bottom: 5rem;
}

.libby-hero-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  width: 100%;
}

.libby-intro {
  text-align: left;
}

.libby-intro h1 {
  font-size: clamp(3.5rem, 7vw, 5rem);
}

.libby-intro .subtitle {
  margin: 0 0 1.5rem;
  color: var(--text-primary);
  font-size: 1.5rem;
}

.libby-description {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.libby-video {
  width: min(100%, 330px);
  margin: 0 auto;
}

.libby-video video {
  display: block;
  width: 100%;
  height: auto;
  /* The screenshot's alpha channel matches the phone frame in the video. */
  -webkit-mask-image: url("assets/queue_framed.webp");
  mask-image: url("assets/queue_framed.webp");
  mask-mode: alpha;
  -webkit-mask-size: 100% 100%;
  mask-size: 100% 100%;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
}

.libby-video figcaption {
  margin-top: 1rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.libby-section {
  padding: 5rem 0;
  scroll-margin-top: 5rem;
  border-top: 1px solid var(--border-color);
}

.libby-section h2 {
  margin-bottom: 1rem;
}

.libby-section .subtitle {
  text-align: center;
  max-width: 700px;
}

.libby-gallery {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2.5rem;
  max-width: 960px;
  margin: 3rem auto 0;
}

.libby-gallery-pair {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 640px;
}

.libby-gallery img {
  height: auto;
  flex: none;
  border-radius: 0;
}

.libby-island-gallery {
  grid-template-columns: minmax(0, 1fr);
  max-width: 630px;
  margin: 2rem auto 0;
  gap: 2rem;
}

.libby-island-gallery img {
  height: auto;
  flex: none;
}

.libby-island-gallery figcaption {
  margin-top: 0.75rem;
}

@media (max-width: 767px) {
  .libby-hero-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .libby-intro {
    text-align: center;
  }

  .libby-section {
    padding: 3.5rem 0;
  }

  .libby-section h2 {
    font-size: 2rem;
  }

  .libby-gallery {
    grid-template-columns: 1fr;
    max-width: 330px;
    gap: 3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .libby-gallery img,
  .libby-island-gallery img {
    transition: none;
  }

  .libby-gallery img:hover,
  .libby-island-gallery img:hover {
    transform: none;
  }
}