/* Home page hero: the text and promises on the left, the intro film (or, until
   the film exists, the home diagram) on the right. Stacks on small screens. */

.ue-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
  align-items: center;
  margin: 0 0 1.5rem;
}

@media screen and (min-width: 60em) {
  .ue-hero {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 2rem;
  }
}

.md-typeset .ue-hero h1 {
  margin: 0 0 0.6rem;
  font-weight: 700;
  color: var(--md-default-fg-color);
}

.md-typeset .ue-hero__lead {
  font-size: 1.05rem;
  line-height: 1.5;
  margin: 0 0 1rem;
}

.md-typeset ul.ue-promises {
  list-style: none;
  margin: 0 0 1.2rem;
  padding: 0;
}

.md-typeset ul.ue-promises > li.ue-promise {
  margin: 0 0 0.6rem;
  padding: 0.1rem 0 0.1rem 0.8rem;
  border-left: 4px solid var(--ue-promise-colour, var(--ue-teal));
}

.ue-promise--once {
  --ue-promise-colour: var(--ue-orange);
}

.ue-promise--anywhere {
  --ue-promise-colour: var(--ue-teal);
}

.ue-promise--same {
  --ue-promise-colour: var(--ue-purple);
}

.md-typeset .ue-hero .md-button {
  margin: 0.3rem 0.4rem 0.3rem 0;
}

/* Intro film (YouTube, privacy mode): 16:9, the stage colour behind it while it loads. */
.md-typeset figure.ue-film {
  margin: 0;
  width: 100%;
  max-width: none;
}

.ue-film__video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  border: 0;
  border-radius: 0.6rem;
  background-color: var(--ue-stage);
}

/* In the dark theme the page and the film share the stage colour; a faint
   ring keeps the film's edge visible. */
[data-md-color-scheme="slate"] .ue-film__video {
  box-shadow: 0 0 0 1px rgba(243, 244, 246, 0.12), 0 0.4rem 1.6rem rgba(0, 0, 0, 0.4);
}