.constitution-hero {
  border-bottom: 1px solid var(--border);
  background: var(--surface-alt);
}

.constitution-hero__inner,
.constitution-shell {
  width: min(var(--measure), calc(100% - 2rem));
  margin: 0 auto;
}

.constitution-hero__inner {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  padding: 2rem 0;
}

.constitution-hero h1 {
  margin: 0.25rem 0 0.45rem;
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.05;
}

.constitution-hero p:not(.eyebrow) {
  max-width: 52rem;
  margin: 0;
  color: var(--muted);
}

.constitution-source-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 2.4rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  font-size: 0.82rem;
  font-weight: 750;
  text-decoration: none;
}

.constitution-shell {
  padding: 1.5rem 0 3rem;
}

.constitution-controls {
  margin-bottom: 1rem;
  padding: 1rem;
  border: 1px solid var(--border);
  background: var(--surface);
}

.constitution-search {
  display: grid;
  gap: 0.45rem;
  max-width: 48rem;
}

.constitution-search > label {
  font-size: 0.82rem;
  font-weight: 800;
}

.constitution-search__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.5rem;
}

.constitution-search input {
  width: 100%;
  min-width: 0;
  padding: 0.68rem 0.75rem;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
}

.constitution-search input:focus {
  outline: none;
  border-color: var(--cornell-red);
  box-shadow: var(--focus);
}

#constitution-search-status {
  min-height: 1.2em;
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.constitution-layout {
  display: grid;
  grid-template-columns: minmax(13rem, 18rem) minmax(0, 1fr);
  gap: 1.25rem;
  align-items: start;
}

.constitution-toc {
  position: sticky;
  top: 1rem;
  max-height: calc(100vh - 2rem);
  overflow: auto;
  border: 1px solid var(--border);
  background: var(--surface);
}

.constitution-toc__header {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface-alt);
}

.constitution-toc__header h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: 1rem;
}

.constitution-toc__header button {
  border: 0;
  background: transparent;
  color: var(--link);
  font-size: 0.75rem;
  font-weight: 750;
  cursor: pointer;
}

.constitution-toc nav,
#constitution-toc-list {
  display: grid;
  padding: 0.45rem 0;
}

.constitution-toc__link {
  display: block;
  padding: 0.4rem 0.65rem;
  color: var(--ink);
  font-size: 0.78rem;
  line-height: 1.3;
  text-decoration: none;
}

.constitution-toc__link:hover {
  background: var(--surface-alt);
  color: var(--cornell-red-dark);
}

.constitution-toc__link--level-2 {
  padding-left: 1.45rem;
  color: var(--muted);
  font-size: 0.74rem;
}

.constitution-toc.is-collapsed #constitution-toc-list {
  display: none;
}

.constitution-document {
  min-width: 0;
  padding: clamp(1.25rem, 3vw, 2.5rem);
  border: 1px solid var(--border);
  background: var(--surface);
  font-family: var(--serif);
  font-size: 1rem;
  line-height: 1.68;
}

.constitution-document__title {
  margin: 0 0 1.2rem;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.1;
  text-wrap: balance;
}

.constitution-heading-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 0.4rem 0.55rem;
  min-width: 0;
  scroll-margin-top: 5rem;
}

.constitution-heading-row h2,
.constitution-heading-row h3 {
  min-width: 0;
  scroll-margin-top: 5rem;
}

.constitution-article,
.constitution-amendment {
  display: grid;
  grid-template-columns: max-content auto minmax(0, 1fr);
  align-items: baseline;
  column-gap: 0.45rem;
  margin: 2.35rem 0 0.95rem;
  padding-top: 0.9rem;
  border-top: 2px solid var(--border-strong);
  font-size: clamp(1.3rem, 2.5vw, 1.72rem);
  line-height: 1.22;
}

.constitution-heading__label {
  font-weight: 800;
}

.constitution-heading__separator {
  color: var(--muted);
  font-weight: 600;
}

.constitution-heading__title {
  min-width: 0;
  font-weight: 700;
  overflow-wrap: normal;
  word-break: normal;
  text-wrap: balance;
}

.constitution-section {
  margin: 1.45rem 0 0.45rem;
  font-size: 1.02rem;
  line-height: 1.3;
}

.constitution-section .constitution-heading__label {
  display: inline-block;
  color: var(--ink);
  font-family: var(--serif);
  font-weight: 800;
}

.constitution-permalink {
  align-self: start;
  margin-top: 0.15rem;
  opacity: 0.25;
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.25;
  text-decoration: none;
}

.constitution-heading-row:hover .constitution-permalink,
.constitution-permalink:focus {
  opacity: 1;
}

.constitution-block {
  max-width: 68ch;
  margin: 0 0 1rem;
}

.constitution-heading-row + .constitution-block {
  margin-top: 0;
}

.constitution-preamble {
  margin: 0 0 1.15rem;
  padding: 0.15rem 0 0.15rem 1rem;
  border-left: 4px solid var(--cornell-red);
  font-size: 1.05rem;
  font-style: italic;
}

.constitution-search-match {
  background: color-mix(in srgb, var(--gold) 20%, transparent);
}

.constitution-search-current {
  outline: 2px solid var(--gold);
  outline-offset: 0.2rem;
}

.constitution-anchor-highlight {
  animation: constitution-anchor-flash 1.8s ease;
}

@keyframes constitution-anchor-flash {
  0%, 100% { background: transparent; }
  25% { background: color-mix(in srgb, var(--gold) 28%, transparent); }
}

.constitution-loading {
  margin: 0;
  color: var(--muted);
  font-family: var(--sans);
}

.constitution-loading--error {
  color: var(--cornell-red-dark);
  font-weight: 700;
}

@media (max-width: 860px) {
  .constitution-hero__inner {
    align-items: start;
    flex-direction: column;
  }

  .constitution-layout {
    grid-template-columns: 1fr;
  }

  .constitution-toc {
    position: static;
    max-height: none;
  }
}

@media (max-width: 620px) {
  .constitution-article,
  .constitution-amendment {
    grid-template-columns: max-content auto minmax(0, 1fr);
    column-gap: 0.32rem;
    font-size: 1.22rem;
  }

  .constitution-heading__label {
    white-space: nowrap;
  }
}

@media (max-width: 560px) {
  .constitution-search__row {
    grid-template-columns: 1fr;
  }

  .constitution-document {
    padding: 1rem;
  }

  .constitution-heading-row {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .constitution-article,
  .constitution-amendment {
    grid-template-columns: max-content auto minmax(0, 1fr);
  }
}

@media print {
  .constitution-controls,
  .constitution-toc,
  .constitution-source-link,
  .constitution-permalink {
    display: none !important;
  }

  .constitution-layout {
    display: block;
  }

  .constitution-document {
    border: 0;
    padding: 0;
  }

  .constitution-article,
  .constitution-amendment {
    break-after: avoid;
  }

  .constitution-section {
    break-after: avoid;
  }
}