@media (max-width: 900px) {
  .hero,
  .article-hero,
  .info-grid,
  .article-grid {
    grid-template-columns: 1fr;
  }

  .article-grid {
    gap: var(--space-xl);
  }

  .home-grid {
    display: grid;
    position: static;
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .info-reference__meta {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .article-reference__body {
    grid-template-columns: minmax(0, 1fr);
  }

  .article-reference__window,
  .article-reference__caption {
    width: 100%;
  }

  .article-reference__prose {
    font-size: 1.24rem;
  }

  .article-reference__body--tram {
    padding-right: 1rem;
  }

  .article-reference__side-figure--tram {
    width: min(56vw, 27rem);
    margin-left: 2rem;
  }

  .article-reference__body--mudflows {
    padding-right: 1rem;
  }

  .article-reference__side-figure--mudflows {
    width: min(58vw, 28rem);
    margin-left: 2rem;
  }

  .article-reference__inline-figure--mudflows {
    width: 100%;
    max-width: 42rem;
    margin-left: 0;
  }

  .home-card__body,
  .home-card__excerpt {
    max-width: none;
  }

  .home-card {
    position: static;
  }
}

@media (max-width: 720px) {
  :root {
    --header-height: 4rem;
  }

  .site-nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 0.85rem;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    background: transparent;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 1rem;
    min-width: 11rem;
    padding: 0.75rem;
    display: grid;
    gap: 0.5rem;
    border: 1px solid var(--color-border);
    border-radius: 1rem;
    background: color-mix(in srgb, var(--color-bg) 92%, white);
    box-shadow: var(--shadow-soft);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.5rem);
    transition:
      opacity var(--duration-fast) var(--ease-standard),
      visibility var(--duration-fast) var(--ease-standard),
      transform var(--duration-fast) var(--ease-standard);
  }

  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .article-pagination,
  .site-footer {
    flex-direction: column;
  }

  .site-header--home .home-header__inner {
    align-items: flex-start;
  }

  .home-nav {
    gap: 0.9rem;
  }

  .home-main {
    padding-top: 7.1rem;
  }

  .home-wordmark {
    width: 9.2rem;
  }

  .info-reference {
    padding-top: 7rem;
  }

  .article-reference {
    padding-top: 6.4rem;
  }

  .article-reference__prose {
    font-size: 1.08rem;
    line-height: 1.22;
  }

  .article-reference__body--tram {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .article-reference__body--mudflows {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .article-reference__side-figure--tram {
    float: none;
    width: 100%;
    max-width: 30rem;
    margin: 0 0 1.5rem auto;
  }

  .article-reference__side-figure--mudflows {
    float: none;
    width: 100%;
    max-width: 30rem;
    margin: 0 0 1.5rem auto;
  }

  .article-reference__inline-figure--mudflows {
    width: 100%;
    max-width: none;
    margin: 1.25rem 0 1.75rem;
  }

  .article-reference__side-figure--tram figcaption {
    width: 100%;
    max-width: 18rem;
  }

  .article-reference__side-figure--mudflows figcaption {
    width: 100%;
    max-width: 18rem;
  }

  .article-reference__caption,
  .article-reference__sources,
  .article-reference__sources h2 {
    font-size: 0.88rem;
  }

  .back-to-top {
    right: 0.5rem;
    top: 1rem;
  }

  .info-reference__intro p {
    font-size: 1.55rem;
  }

  .info-reference__name,
  .info-reference__email {
    font-size: 1.5rem;
  }
}