.hero {
  max-width: 1000px;
  margin: 0 auto 0.75em;
}

.hero img,
.hero video {
  width: 100%;
  display: block;
  margin-top: 0;
  background: #000;
}

.hero-caption {
  max-width: 1000px;
  margin: 0 auto 1.5em;
  text-align: center;
}

.artwork-text {
  max-width: 1000px;
  margin: 0 auto 2em;
}

.artwork-meta {
  font-style: italic;
  margin-bottom: 0.75em;
}

.artwork-links {
  margin-bottom: 1.25em;
}

.section-heading {
  max-width: 1000px;
  margin: 2em auto 1em;
  font-weight: 500;
  font-size: 1.3em;
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25em;
  max-width: 1000px;
  margin: 0 auto 2em;
}

.media-grid-item {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.media-frame {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #000;
  position: relative;
  width: 100%;
}

.media-frame video,
.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  margin: 0;
}

.media-frame model-viewer,
.media-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.media-frame a {
  display: block;
  width: 100%;
  height: 100%;
}

.media-frame a img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-caption {
  margin: 0.65em 0 0;
  font-size: 0.9em;
  line-height: 1.35;
}

.paintings-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25em;
  max-width: 1000px;
  margin: 0 auto 2em;
}

.paintings-grid figure {
  margin: 0;
  min-width: 0;
}

.paintings-grid .media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.paintings-grid figcaption {
  margin-top: 0.5em;
  font-size: 0.9em;
}

/* native fullscreen: restore true aspect ratio */
video:fullscreen,
video:-webkit-full-screen {
  object-fit: contain;
  width: 100%;
  height: 100%;
}

model-viewer:fullscreen,
model-viewer:-webkit-full-screen {
  width: 100%;
  height: 100%;
}

iframe:fullscreen,
iframe:-webkit-full-screen {
  width: 100%;
  height: 100%;
}

/* tablet portrait */
@media (max-width: 899px) {
  .media-grid,
  .paintings-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* mobile portrait */
@media (max-width: 599px) {
  #content {
    padding: 12px;
  }

  h1 {
    font-size: 1.6em;
  }

  .media-grid,
  .paintings-grid {
    grid-template-columns: 1fr;
  }

  .hero video {
    max-height: 55vh;
    object-fit: contain;
  }
}