#slide1 h3 {
  margin: 0 0 .25rem 0;
  font-weight: 500;
}

#slide1 h1 {
  margin: 0;
  font-size: 2.25rem;
  font-weight: 900;
}

#slide2 h1 {
  margin: 0;
  font-size: 2.25rem;
  margin-bottom: 2rem;
}

code{
    color:darkgreen;
}

.slide .media-scroller {
  display: inline-grid;
  margin-inline: auto;
  max-width: 90%;
  overflow-y: auto;
}

/* to make a scrollable horizontal shelve: https://www.youtube.com/watch?v=3yfswsnD2sw */
.media-scroller {
  display: grid;
  gap: 1rem;
  grid-auto-flow: column;
  grid-auto-columns: 30%;

  padding: 0 1rem 1rem;

  overflow-x: auto;
  overscroll-behavior-inline: contain;
}

.media-scroller--with-groups {
  grid-auto-columns: 80%;
}

.media-group {
  display: grid;
  gap: 1rem;
  grid-auto-flow: column;
}

.media-element {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 1rem;
  padding: 1rem;
  background: white;
  border-radius: 0.5rem;
  border: 1px solid #000;
  overflow: hidden;
  box-shadow: 0 6px 18px rgba(0,0,0,0.2);
  height: 30rem;
}

.media-element > img,
.media-element > iframe {
  inline-size: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 0.5rem;
  border: 1px solid #000;
  display: block;
}

.media-element > .description,
.media-element > p.description {
  margin: 0;
  overflow-y: auto;
  height: 30rem;
}

.snaps-inline {
  scroll-snap-type: inline mandatory;
  scroll-padding-inline: 1rem;
}

.snaps-inline > * {
  scroll-snap-align: start;
}
.media-element .title {
  margin: 0;
  font-weight: 600;
  font-size: 1.25rem;
}
.media-element .description {
  margin: 0;
  font-size: 1rem;
  color: #555;
}

.media-element > p.description {
  max-height: 40%;
  overflow-y: auto;
}

#slide3 .twoCol {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    max-width: 1100px;
    width: 100%;
    margin-inline: auto;
}

#slide3 .left {
    flex: 1;
    text-align: left;
}

#slide3 .right {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

#slide3 .right img {
    max-width: 100%;
    max-height: 60vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

#slide3 h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.25rem;
}
#slide3 .section {
    margin-bottom: 1.5rem;
}
#slide3 .placeholder {
    color: #444;
}

@media (max-width: 800px) {
    #slide3 .twoCol {
        flex-direction: column;
    }
    #slide3 .right img {
        max-height: 40vh;
    }
}