.activity-page-frame {
  --activity-paper: #f6f1e8;
  --activity-surface: #fffdf8;
  --activity-ink: #202521;
  --activity-ink-soft: #59605b;
  --activity-night: #17231f;
  --activity-ivory: #fff9ef;
  --activity-brass: #b89a62;
  --activity-brass-strong: #806632;
  --activity-line: rgba(32, 37, 33, 0.12);
  --activity-shadow: 0 18px 48px rgba(23, 35, 31, 0.1);
  width: 100%;
  max-width: 100%;
  min-width: 0;
  margin: 0;
  color: var(--activity-ink);
  background: var(--activity-paper);
  font-family: "Manrope", "Segoe UI", system-ui, -apple-system, sans-serif;
}

.page main:has(> .activity-page-frame) {
  padding: 0;
  background: var(--activity-paper, #f6f1e8);
}

.activity-page-frame,
.activity-page-frame * {
  min-width: 0;
  box-sizing: border-box;
}

.activity-page-frame img,
.activity-page-frame table,
.activity-page-frame figure,
.activity-page-frame section,
.activity-page-frame article,
.activity-page-frame nav {
  max-width: 100%;
}

.activity-page-frame a,
.activity-page-frame button,
.activity-page-frame select,
.activity-page-frame summary {
  -webkit-tap-highlight-color: transparent;
}

.activity-page-frame a:focus-visible,
.activity-page-frame button:focus-visible,
.activity-page-frame select:focus-visible,
.activity-page-frame summary:focus-visible {
  outline: 3px solid var(--activity-brass-strong) !important;
  outline-offset: 4px !important;
}

.activity-shell {
  width: min(1180px, calc(100% - clamp(24px, 5vw, 72px)));
  margin: 0 auto;
  padding: 22px 0 88px;
  color: var(--activity-ink);
  overflow-wrap: anywhere;
  word-break: normal;
}

.activity-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 4px 9px;
  min-width: 0;
  max-width: 100%;
  margin: 0 0 18px;
  color: var(--activity-ink-soft);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
}

.activity-breadcrumbs a,
.activity-breadcrumbs [aria-current="page"] {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  max-width: 100%;
}

.activity-breadcrumbs a {
  color: var(--activity-ink);
  text-decoration: underline;
  text-decoration-color: rgba(32, 37, 33, 0.3);
  text-underline-offset: 4px;
}

.activity-breadcrumbs a:hover {
  text-decoration-color: var(--activity-brass-strong);
}

.activity-breadcrumbs [aria-current="page"] {
  overflow: hidden;
  color: var(--activity-ink-soft);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.activity-eyebrow,
.activity-topic,
.activity-short-answer__label,
.activity-important-label {
  margin: 0;
  color: var(--activity-brass-strong);
  font-family: "Manrope", "Segoe UI", system-ui, sans-serif;
  font-size: 11px;
  font-weight: 750;
  line-height: 1.4;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.activity-hub-hero .activity-eyebrow,
.activity-article-hero .activity-eyebrow,
.activity-short-answer__label {
  color: var(--activity-brass);
}

.activity-hub-hero a:focus-visible,
.activity-article-hero a:focus-visible {
  outline-color: var(--activity-brass) !important;
}

/* Split masthead follows the live care-section composition. */
.activity-hub-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(380px, 0.92fr);
  min-height: 540px;
  overflow: hidden;
  border: 1px solid rgba(255, 249, 239, 0.08);
  border-radius: 3px 34px 3px 3px;
  background: var(--activity-night);
  box-shadow: var(--activity-shadow);
}

.activity-hub-hero__copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(36px, 5.5vw, 76px);
}

.activity-hub-hero h1 {
  max-width: 710px;
  margin: 13px 0 22px;
  color: var(--activity-ivory);
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: clamp(50px, 5.8vw, 78px);
  font-weight: 600;
  line-height: 0.96;
  letter-spacing: -0.035em;
  white-space: normal;
  overflow: visible;
}

.activity-hub-hero__lead {
  max-width: 600px;
  margin: 0;
  color: rgba(255, 249, 239, 0.82);
  font-size: clamp(17px, 1.55vw, 20px);
  line-height: 1.65;
}

.activity-hub-hero__count {
  max-width: 600px;
  margin: 26px 0 0;
  padding-top: 19px;
  border-top: 1px solid rgba(184, 154, 98, 0.38);
  color: var(--activity-ivory);
  font-size: 14px;
  font-weight: 650;
  line-height: 1.55;
}

.activity-hero-jumps {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 26px;
}

.activity-hero-jump {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-width: 142px;
  min-height: 46px;
  padding: 0 15px;
  border: 1px solid rgba(255, 249, 239, 0.28);
  color: var(--activity-ivory);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.25;
  text-decoration: none;
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.activity-hero-jump:hover {
  border-color: var(--activity-brass);
  background: var(--activity-ivory);
  color: var(--activity-night);
}

.activity-hub-hero__media,
.activity-article-hero__media {
  position: relative;
  min-height: 100%;
  margin: 0;
  overflow: hidden;
  background: #d8d0c2;
}

.activity-hub-hero__media::after,
.activity-article-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(23, 35, 31, 0.16), transparent 32%);
}

.activity-hub-hero__media img,
.activity-article-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: 50% 50%;
}

.activity-hub-hero__media--abstract {
  background:
    radial-gradient(circle at 66% 28%, rgba(184, 154, 98, 0.4) 0 2px, transparent 3px),
    radial-gradient(circle at 64% 50%, transparent 0 82px, rgba(255, 249, 239, 0.13) 83px 84px, transparent 85px),
    linear-gradient(145deg, #263a33, #17231f 68%);
}

/* Discovery and filters. */
.activity-discovery {
  margin-top: clamp(54px, 7vw, 82px);
  padding: clamp(24px, 4vw, 42px);
  scroll-margin-top: 90px;
  border: 1px solid var(--activity-line);
  border-radius: 3px 24px 3px 3px;
  background: rgba(255, 253, 248, 0.92);
  box-shadow: 0 12px 34px rgba(23, 35, 31, 0.055);
}

.activity-discovery__heading,
.activity-section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--activity-line);
}

.activity-discovery__heading h2,
.activity-section-heading h2,
.activity-related h2,
.activity-empty h2 {
  margin: 5px 0 0;
  color: var(--activity-ink);
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: clamp(38px, 4vw, 54px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.025em;
}

.activity-discovery__heading > p,
.activity-section-heading > p {
  max-width: 340px;
  margin: 0;
  color: var(--activity-ink-soft);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.55;
  text-align: right;
}

.activity-filters {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px 14px;
  margin: 0;
}

.activity-filters label {
  display: grid;
  gap: 8px;
  color: var(--activity-ink);
  font-size: 12px;
  font-weight: 750;
  line-height: 1.4;
}

.activity-filters select {
  width: 100%;
  min-height: 48px;
  padding: 0 40px 0 13px;
  border: 1px solid rgba(32, 37, 33, 0.2);
  border-radius: 2px;
  background-color: var(--activity-surface);
  color: var(--activity-ink);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.activity-filters select:hover {
  border-color: var(--activity-brass);
}

.activity-filter-actions {
  display: flex;
  grid-column: 1 / -1;
  flex-wrap: wrap;
  gap: 10px 18px;
  align-items: center;
  padding-top: 2px;
}

.activity-filter-actions button,
.activity-filter-actions a {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0 19px;
  font-size: 13px;
  font-weight: 750;
  line-height: 1;
}

.activity-filter-actions button {
  border: 1px solid var(--activity-night);
  border-radius: 999px;
  background: var(--activity-night);
  color: var(--activity-ivory);
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease;
}

.activity-filter-actions button:hover {
  background: var(--activity-ivory);
  color: var(--activity-night);
}

.activity-filter-actions a {
  color: var(--activity-ink);
  text-decoration: underline;
  text-decoration-color: rgba(32, 37, 33, 0.32);
  text-underline-offset: 4px;
}

.activity-filter-actions a:hover {
  text-decoration-color: var(--activity-brass-strong);
}

/* Catalog cards. */
.activity-catalog {
  margin-top: clamp(58px, 8vw, 96px);
}

.activity-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
  gap: 24px 20px;
}

.activity-card {
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
  border: 1px solid var(--activity-line);
  border-radius: 2px;
  background: var(--activity-surface);
  box-shadow: 0 8px 24px rgba(23, 35, 31, 0.055);
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.activity-card > a {
  display: flex;
  min-width: 0;
  min-height: 100%;
  flex-direction: column;
  color: inherit;
  text-decoration: none;
}

.activity-card__media {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #ded7ca;
}

.activity-card__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
  transition: transform 420ms cubic-bezier(0.22, 1, 0.36, 1);
}

.activity-card__media--empty,
.activity-related__media--empty {
  isolation: isolate;
  background:
    radial-gradient(circle at 76% 24%, rgba(255, 253, 248, 0.82) 0 8%, transparent 8.5%),
    linear-gradient(145deg, #d7cfc1 0%, #e8e1d5 55%, #d4ccbd 100%);
}

.activity-card__media--empty::before,
.activity-related__media--empty::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 50%;
  left: 50%;
  width: 42%;
  aspect-ratio: 1;
  border: 1px solid rgba(128, 102, 50, 0.34);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.activity-card__media--empty::after,
.activity-related__media--empty::after,
.activity-card__media--empty > span,
.activity-related__media--empty > span {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 64px;
  height: 1px;
  background: rgba(128, 102, 50, 0.55);
  transform: translate(-50%, -50%) rotate(-35deg);
}

.activity-card__media--empty > span,
.activity-related__media--empty > span {
  transform: translate(-50%, -50%) rotate(35deg);
}

.activity-card__content {
  display: flex;
  min-height: 0;
  flex: 1 1 auto;
  flex-direction: column;
  align-items: flex-start;
  padding: 22px;
}

.activity-topic {
  display: -webkit-box;
  min-height: 31px;
  overflow: hidden;
  color: var(--activity-brass-strong);
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.activity-card h3 {
  display: -webkit-box;
  width: 100%;
  min-height: 4.14em;
  margin: 8px 0 12px;
  overflow: hidden;
  color: var(--activity-ink);
  font-family: "Manrope", "Segoe UI", system-ui, sans-serif;
  font-size: 19px;
  font-weight: 650;
  line-height: 1.38;
  letter-spacing: -0.018em;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.activity-card__description {
  display: -webkit-box;
  width: 100%;
  min-height: 6.48em;
  margin: 0;
  overflow: hidden;
  color: var(--activity-ink-soft);
  font-size: 14px;
  line-height: 1.62;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
}

.activity-card__footer {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 20px;
}

.activity-card__footer small {
  color: var(--activity-ink-soft);
  font-size: 11px;
  font-weight: 650;
  line-height: 1.4;
}

.activity-card__cta {
  display: inline-flex;
  min-height: 44px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 0 14px;
  border: 1px solid var(--activity-night);
  border-radius: 999px;
  background: var(--activity-night);
  color: var(--activity-ivory);
  font-size: 12px;
  font-weight: 750;
  line-height: 1;
  transition: background 180ms ease, color 180ms ease;
}

.activity-card:hover,
.activity-card:focus-within {
  border-color: rgba(184, 154, 98, 0.72);
  box-shadow: 0 14px 34px rgba(23, 35, 31, 0.09);
  transform: translateY(-2px);
}

.activity-card:hover .activity-card__media img,
.activity-card:focus-within .activity-card__media img {
  transform: scale(1.025);
}

.activity-card:hover .activity-card__cta,
.activity-card:focus-within .activity-card__cta {
  background: var(--activity-ivory);
  color: var(--activity-night);
}

.activity-empty {
  padding: clamp(30px, 5vw, 56px);
  border: 1px solid var(--activity-line);
  background: var(--activity-surface);
}

.activity-empty h2 {
  max-width: 700px;
  margin-top: 8px;
}

.activity-empty > p:not(.activity-eyebrow) {
  margin: 18px 0;
  color: var(--activity-ink-soft);
}

.activity-empty > a {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  padding: 0 18px;
  border-radius: 999px;
  background: var(--activity-night);
  color: var(--activity-ivory);
  font-size: 13px;
  font-weight: 750;
  text-decoration: none;
}

.activity-pagination {
  display: grid;
  grid-template-columns: minmax(112px, 1fr) auto minmax(112px, 1fr);
  align-items: center;
  gap: 16px;
  margin-top: 42px;
}

.activity-pagination__pages {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  gap: 6px;
}

.activity-pagination a,
.activity-pagination [aria-current="page"],
.activity-pagination__step,
.activity-pagination__gap {
  display: inline-flex;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.activity-pagination a,
.activity-pagination [aria-current="page"] {
  border: 1px solid var(--activity-line);
  background: var(--activity-surface);
  color: var(--activity-ink);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.activity-pagination a:hover {
  border-color: var(--activity-brass);
}

.activity-pagination [aria-current="page"] {
  border-color: var(--activity-night);
  background: var(--activity-night);
  color: var(--activity-ivory);
}

.activity-pagination__step {
  gap: 9px;
  justify-self: start;
  padding: 0 15px;
  border-radius: 999px;
}

.activity-pagination__step:last-child {
  justify-self: end;
}

.activity-pagination__step--disabled {
  border: 1px solid transparent;
  color: rgba(89, 96, 91, 0.48);
}

.activity-pagination__gap {
  min-width: 24px;
  color: var(--activity-ink-soft);
}

/* Article masthead. */
.activity-article-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(390px, 0.9fr);
  min-height: 510px;
  overflow: hidden;
  border-radius: 3px 32px 3px 3px;
  background: var(--activity-night);
  box-shadow: var(--activity-shadow);
}

.activity-article-hero__copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(34px, 5vw, 68px);
}

.activity-article-hero h1 {
  margin: 13px 0 28px;
  color: var(--activity-ivory);
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: clamp(44px, 4.8vw, 64px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.032em;
  white-space: normal;
  overflow: visible;
}

.activity-short-answer {
  max-width: 650px;
  padding: 20px 0 0 20px;
  border-top: 1px solid rgba(184, 154, 98, 0.35);
  border-left: 2px solid var(--activity-brass);
}

.activity-short-answer > p:last-child {
  margin: 7px 0 0;
  color: rgba(255, 249, 239, 0.86);
  font-size: 17px;
  line-height: 1.66;
}

.activity-article-hero--text {
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
}

.activity-article-hero__abstract {
  position: relative;
  min-height: 100%;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 50%, transparent 0 82px, rgba(255, 249, 239, 0.12) 83px 84px, transparent 85px),
    radial-gradient(circle at 50% 50%, transparent 0 142px, rgba(184, 154, 98, 0.22) 143px 144px, transparent 145px),
    linear-gradient(145deg, #263a33, #17231f 72%);
}

.activity-article-hero__abstract::before,
.activity-article-hero__abstract::after,
.activity-article-hero__abstract span {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 108px;
  height: 1px;
  background: rgba(184, 154, 98, 0.62);
  transform: translate(-50%, -50%) rotate(0);
}

.activity-article-hero__abstract::before {
  transform: translate(-50%, -50%) rotate(60deg);
}

.activity-article-hero__abstract::after {
  transform: translate(-50%, -50%) rotate(-60deg);
}

/* Long-read layout. */
.activity-reading-layout {
  display: grid;
  grid-template-columns: minmax(0, 720px) minmax(230px, 275px);
  grid-template-areas: "reading navigation";
  justify-content: center;
  align-items: start;
  gap: clamp(44px, 6vw, 76px);
  margin-top: clamp(54px, 8vw, 96px);
}

.activity-reading-nav {
  position: sticky;
  top: 102px;
  grid-area: navigation;
  display: grid;
  gap: 14px;
}

.activity-reading-column {
  grid-area: reading;
  width: 100%;
  max-width: 720px;
}

.activity-backlink,
.activity-species-link,
.activity-toc summary {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 0 15px;
  border: 1px solid var(--activity-line);
  background: var(--activity-surface);
  color: var(--activity-ink);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.4;
}

.activity-backlink,
.activity-species-link {
  justify-content: space-between;
  gap: 10px;
  text-decoration: none;
}

.activity-backlink:hover,
.activity-species-link:hover {
  border-color: var(--activity-brass);
}

.activity-toc {
  max-width: 100%;
}

.activity-toc summary {
  justify-content: space-between;
  cursor: pointer;
  list-style: none;
}

.activity-toc summary::-webkit-details-marker {
  display: none;
}

.activity-toc[open] summary span {
  transform: rotate(45deg);
}

.activity-toc ol {
  max-height: 62vh;
  margin: 0;
  padding: 10px 0;
  overflow-y: auto;
  border: solid var(--activity-line);
  border-width: 0 1px 1px;
  background: rgba(255, 253, 248, 0.82);
  list-style: none;
  counter-reset: activity-toc;
}

.activity-toc li {
  counter-increment: activity-toc;
}

.activity-toc a {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  align-items: center;
  min-height: 44px;
  padding: 7px 14px;
  color: var(--activity-ink-soft);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.45;
  text-decoration: none;
}

.activity-toc a::before {
  content: counter(activity-toc, decimal-leading-zero);
  color: var(--activity-brass-strong);
  font-size: 10px;
}

.activity-toc a:hover {
  color: var(--activity-ink);
  background: var(--activity-ivory);
}

.activity-body {
  min-width: 0;
  max-width: 100%;
  color: #343a36;
  font-size: 18px;
  line-height: 1.68;
  overflow-wrap: anywhere;
  word-break: normal;
}

.activity-content-intro {
  margin-bottom: 48px;
  padding: 0 0 30px;
  border-bottom: 1px solid var(--activity-line);
  color: var(--activity-ink);
  font-size: 19px;
  line-height: 1.72;
}

.activity-content-section {
  min-width: 0;
  max-width: 100%;
  margin: 0 0 52px;
  scroll-margin-top: 106px;
}

.activity-body h2 {
  margin: 0 0 20px;
  color: var(--activity-ink);
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: clamp(32px, 4.2vw, 42px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.022em;
}

.activity-body h3 {
  margin: 34px 0 14px;
  color: var(--activity-ink);
  font-family: "Manrope", "Segoe UI", system-ui, sans-serif;
  font-size: 21px;
  font-weight: 700;
  line-height: 1.38;
  letter-spacing: -0.015em;
}

.activity-body p,
.activity-body ul,
.activity-body ol {
  max-width: 100%;
  margin: 0 0 20px;
}

.activity-body strong {
  color: var(--activity-ink);
  font-weight: 700;
}

.activity-body a {
  color: #315c4d;
  font-weight: 650;
  text-decoration: underline;
  text-decoration-color: rgba(49, 92, 77, 0.4);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.activity-body a:hover {
  color: var(--activity-night);
  text-decoration-color: var(--activity-brass-strong);
}

.activity-body ul {
  padding-left: 0;
  list-style: none;
}

.activity-body ul li {
  position: relative;
  margin: 0 0 12px;
  padding-left: 25px;
}

.activity-body ul li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 2px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--activity-brass);
}

.activity-body ol {
  display: grid;
  gap: 10px;
  padding: 0;
  list-style: none;
  counter-reset: activity-step;
}

.activity-body ol li {
  position: relative;
  min-height: 62px;
  margin: 0;
  padding: 16px 17px 16px 58px;
  border: 1px solid var(--activity-line);
  background: var(--activity-surface);
  counter-increment: activity-step;
}

.activity-body ol li::before {
  content: counter(activity-step, decimal-leading-zero);
  position: absolute;
  top: 16px;
  left: 16px;
  color: var(--activity-brass-strong);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.activity-content-section--important {
  padding: 26px 28px 8px;
  border: 1px solid rgba(184, 154, 98, 0.48);
  border-top: 3px solid var(--activity-brass);
  background: var(--activity-surface);
}

.activity-important-label {
  margin-bottom: 8px;
  color: var(--activity-brass-strong);
}

.activity-content-section--important h2 {
  font-size: clamp(30px, 3.8vw, 38px);
}

/* Future semantic tables inherit the same mobile-safe care treatment. */
.activity-table-wrap {
  min-width: 0;
  max-width: 100%;
  margin: 26px 0;
  overflow: visible;
  border: 1px solid var(--activity-line);
  background: var(--activity-surface);
}

.activity-body table {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  background: var(--activity-surface);
}

.activity-body th,
.activity-body td {
  min-width: 0;
  max-width: 100%;
  padding: 14px 15px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--activity-line);
  overflow-wrap: anywhere;
  word-break: normal;
}

.activity-body th {
  background: var(--activity-night);
  color: var(--activity-ivory);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.45;
}

.activity-body td {
  color: #343a36;
  font-size: 15px;
  line-height: 1.55;
}

.activity-body tr:last-child td {
  border-bottom: 0;
}

.activity-author-card {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 20px;
  padding: 18px;
  border: 1px solid var(--activity-line);
  background: var(--activity-surface);
}

.activity-author-card__mark {
  display: grid;
  width: 48px;
  height: 48px;
  flex: 0 0 48px;
  place-items: center;
  border-radius: 50%;
  background: var(--activity-night);
  color: var(--activity-brass);
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 26px;
  font-weight: 650;
}

.activity-author-card > span:last-child,
.activity-author-card strong,
.activity-author-card small {
  display: block;
}

.activity-author-card strong {
  color: var(--activity-ink);
  font-size: 14px;
}

.activity-author-card small {
  margin-top: 4px;
  color: var(--activity-ink-soft);
  font-size: 12px;
}

.activity-related {
  min-width: 0;
  max-width: 100%;
  margin-top: 64px;
  padding-top: 34px;
  border-top: 1px solid var(--activity-line);
}

.activity-related h2 {
  margin-bottom: 22px;
  font-size: clamp(34px, 4vw, 44px);
}

.activity-related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.activity-related-grid > a {
  display: block;
  min-height: 44px;
  overflow: hidden;
  border: 1px solid var(--activity-line);
  background: var(--activity-surface);
  color: var(--activity-ink);
  text-decoration: none;
}

.activity-related__media {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #ded7ca;
}

.activity-related__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.activity-related__copy {
  display: block;
  padding: 14px;
}

.activity-related small,
.activity-related strong {
  display: block;
}

.activity-related small {
  margin-bottom: 6px;
  color: var(--activity-brass-strong);
  font-size: 10px;
  font-weight: 750;
  line-height: 1.4;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.activity-related strong {
  font-size: 13px;
  font-weight: 700;
  line-height: 1.45;
}

.activity-related-grid > a:hover {
  border-color: var(--activity-brass);
}

.activity-back-to-top {
  position: fixed;
  right: max(18px, calc((100vw - 1180px) / 2 - 70px));
  bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  z-index: 12;
  display: grid;
  width: 52px;
  height: 52px;
  padding: 0;
  place-items: center;
  border: 1px solid rgba(255, 249, 239, 0.28);
  border-radius: 50%;
  background: var(--activity-night);
  color: var(--activity-ivory);
  box-shadow: 0 10px 24px rgba(23, 35, 31, 0.18);
  cursor: pointer;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 180ms ease, transform 180ms ease, background 180ms ease;
}

.activity-back-to-top[hidden] {
  display: none;
}

.activity-back-to-top.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.activity-back-to-top:hover {
  background: #263a33;
}

@media (max-width: 1050px) {
  .activity-hub-hero,
  .activity-article-hero {
    grid-template-columns: minmax(0, 1fr) minmax(330px, 0.82fr);
  }

  .activity-article-hero--text {
    grid-template-columns: minmax(0, 1.2fr) minmax(240px, 0.8fr);
  }

  .activity-filters,
  .activity-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .activity-reading-layout {
    grid-template-columns: minmax(0, 680px) minmax(210px, 250px);
    gap: 42px;
  }
}

@media (max-width: 1359px) {
  .activity-back-to-top {
    display: none !important;
  }
}

@media (max-width: 860px) {
  .activity-hub-hero,
  .activity-article-hero,
  .activity-article-hero--text {
    grid-template-columns: 1fr;
  }

  .activity-hub-hero__media,
  .activity-article-hero__media {
    min-height: 0;
    aspect-ratio: 16 / 9;
  }

  .activity-hub-hero__media::after,
  .activity-article-hero__media::after {
    background: linear-gradient(180deg, rgba(23, 35, 31, 0.12), transparent 35%);
  }

  .activity-article-hero__abstract {
    min-height: 190px;
  }

  .activity-reading-layout {
    grid-template-columns: minmax(0, 720px);
    grid-template-areas: "navigation" "reading";
    gap: 34px;
  }

  .activity-reading-nav {
    position: static;
  }

  .activity-toc ol {
    max-height: none;
  }
}

@media (max-width: 700px) {
  .activity-body table,
  .activity-body tbody,
  .activity-body tr,
  .activity-body td {
    display: block;
    width: 100%;
    min-width: 0;
    max-width: 100%;
  }

  .activity-table-wrap {
    border: 0;
    background: transparent;
  }

  .activity-body thead {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .activity-body tbody {
    display: grid;
    gap: 12px;
  }

  .activity-body tr {
    overflow: hidden;
    border: 1px solid var(--activity-line);
    background: var(--activity-surface);
  }

  .activity-body td {
    padding: 14px 16px;
    border: 0;
    border-bottom: 1px solid var(--activity-line);
    font-size: 16px;
    line-height: 1.56;
  }

  .activity-body td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 5px;
    color: var(--activity-brass-strong);
    font-size: 10px;
    font-weight: 800;
    line-height: 1.4;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }

  .activity-body td:first-child {
    background: var(--activity-night);
    color: var(--activity-ivory);
    font-weight: 700;
  }

  .activity-body td:first-child::before {
    color: var(--activity-brass);
  }

  .activity-body td:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 600px) {
  .activity-shell {
    width: calc(100% - 24px);
    padding-top: 10px;
    padding-bottom: 64px;
  }

  .activity-breadcrumbs {
    flex-wrap: nowrap;
    gap: 3px 7px;
    margin-bottom: 10px;
    font-size: 12px;
  }

  .activity-breadcrumbs a,
  .activity-breadcrumbs [aria-current="page"] {
    flex: 0 1 auto;
  }

  .activity-article .activity-breadcrumbs [aria-current="page"] {
    max-width: 26vw;
  }

  .activity-hub-hero,
  .activity-article-hero {
    min-height: 0;
    border-radius: 2px 20px 2px 2px;
  }

  .activity-hub-hero__copy,
  .activity-article-hero__copy {
    padding: 30px 22px 34px;
  }

  .activity-hub-hero h1 {
    margin: 10px 0 18px;
    font-size: clamp(43px, 14vw, 54px);
    line-height: 0.98;
  }

  .activity-hub-hero__lead {
    font-size: 17px;
    line-height: 1.62;
  }

  .activity-hub-hero__count {
    margin-top: 22px;
    padding-top: 16px;
  }

  .activity-hero-jumps {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-top: 22px;
  }

  .activity-hero-jump {
    width: 100%;
    min-width: 0;
    min-height: 50px;
    padding: 7px 11px;
  }

  .activity-hub-hero__media,
  .activity-article-hero__media {
    aspect-ratio: 4 / 3;
  }

  .activity-discovery,
  .activity-catalog {
    margin-top: 58px;
  }

  .activity-discovery {
    padding: 22px 18px;
    border-radius: 2px 18px 2px 2px;
  }

  .activity-discovery__heading,
  .activity-section-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 18px;
    padding-bottom: 14px;
  }

  .activity-discovery__heading h2,
  .activity-section-heading h2 {
    font-size: 40px;
  }

  .activity-discovery__heading > p,
  .activity-section-heading > p {
    max-width: none;
    font-size: 12px;
    text-align: left;
  }

  .activity-filters,
  .activity-card-grid {
    grid-template-columns: 1fr;
  }

  .activity-filter-actions {
    display: grid;
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .activity-filter-actions button,
  .activity-filter-actions a {
    width: 100%;
  }

  .activity-card-grid {
    gap: 16px;
  }

  .activity-card__content {
    padding: 20px;
  }

  .activity-card h3 {
    display: block;
    min-height: 0;
    overflow: visible;
    font-size: 20px;
    line-height: 1.4;
  }

  .activity-card__description {
    min-height: 0;
    font-size: 15px;
    -webkit-line-clamp: 3;
  }

  .activity-card__footer {
    align-items: flex-end;
  }

  .activity-pagination {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 32px;
  }

  .activity-pagination__pages {
    grid-column: 1 / -1;
    grid-row: 1;
    gap: 4px;
  }

  .activity-pagination__step {
    grid-row: 2;
    width: 100%;
    justify-self: stretch;
  }

  .activity-pagination__step:last-child {
    justify-self: stretch;
  }

  .activity-pagination__gap {
    min-width: 20px;
  }

  .activity-article-hero h1 {
    margin: 10px 0 24px;
    font-size: clamp(37px, 11.8vw, 48px);
    line-height: 1.03;
  }

  .activity-short-answer {
    padding: 17px 0 0 15px;
  }

  .activity-short-answer > p:last-child {
    font-size: 17px;
  }

  .activity-article-hero__abstract {
    min-height: 150px;
  }

  .activity-reading-layout {
    gap: 28px;
    margin-top: 44px;
  }

  .activity-body {
    font-size: 18px;
    line-height: 1.68;
  }

  .activity-content-intro {
    margin-bottom: 42px;
    padding-bottom: 26px;
    font-size: 18px;
  }

  .activity-content-section {
    margin-bottom: 44px;
  }

  .activity-body h2 {
    font-size: 34px;
  }

  .activity-body h3 {
    margin-top: 30px;
    font-size: 20px;
  }

  .activity-content-section--important {
    padding: 22px 18px 4px;
  }

  .activity-body ol li {
    padding: 15px 15px 15px 50px;
  }

  .activity-body ol li::before {
    left: 13px;
  }

  .activity-related-grid {
    grid-template-columns: 1fr;
  }

  .activity-related-grid > a {
    display: grid;
    grid-template-columns: 116px minmax(0, 1fr);
    align-items: stretch;
  }

  .activity-related__media {
    height: 100%;
    min-height: 116px;
    aspect-ratio: auto;
  }
}

@media (max-width: 350px) {
  .activity-hub-hero__copy,
  .activity-article-hero__copy {
    padding-right: 18px;
    padding-left: 18px;
  }

  .activity-hub-hero h1 {
    font-size: 40px;
  }

  .activity-hero-jumps {
    grid-template-columns: 1fr;
  }

  .activity-article .activity-breadcrumbs [aria-current="page"],
  .activity-article .activity-breadcrumbs span:nth-last-child(2) {
    display: none;
  }

  .activity-pagination__label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .activity-pagination__step {
    min-width: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .activity-page-frame *,
  .activity-page-frame *::before,
  .activity-page-frame *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}