[id="intro-inner"] {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  column-gap: 3rem;
  row-gap: 2rem;
  align-items: start;
  padding-bottom: 3rem;
}

[id="signup-form"] {
  background-color: var(--off-white);
  border: 1px solid var(--dark-blue);
  padding: 0.5rem;
}

[id="signup-form"] iframe {
  display: block;
  width: 100%;
  height: 780px;
  border: 0;
}

main .video-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.video-grid h3 {
  font-size: var(--font-size-base);
  margin: 0.75rem 0 0;
}

.webinar-video {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--dark-blue);
}

.webinar-video img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.webinar-video iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.play-button {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background-color: var(--coral);
  transition: transform 150ms ease;
}

.play-button::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 54%;
  transform: translate(-50%, -50%);
  border-style: solid;
  border-width: 12px 0 12px 20px;
  border-color: transparent transparent transparent var(--burgundy);
}

.webinar-video:hover .play-button,
.webinar-video:focus-visible .play-button {
  transform: scale(1.1);
}

@media (prefers-reduced-motion) {
  .play-button {
    transition: none;
  }
}

.links {
  display: flex;
  justify-content: center;
}

[id="webinar-videos"] .links {
  margin-top: 2rem;
}


@media not (min-width: 900px) {
  [id="intro-inner"] {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  [id="signup-form"] iframe {
    height: 900px;
  }
}