/* HKAWM public website v4 accessibility, content and interaction layer. */
:root {
  --teal: #0a6f69;
  --teal-dark: #075b56;
  --text-muted: #596967;
  --divider-strong: #7f9693;
}

html {
  scroll-padding-top: 6rem;
}

body {
  min-width: 20rem;
}

.site-header {
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--divider);
}

.site-header.header-scrolled {
  box-shadow: 0 8px 28px -22px rgba(7, 51, 48, 0.65);
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100000;
  padding: 0.75rem 1rem;
  color: #fff;
  background: #075b56;
  border-radius: 0.25rem;
  transform: translateY(-180%);
  transition: transform 0.15s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

:where(a, button, [tabindex]):focus-visible {
  outline: 3px solid #6667ab;
  outline-offset: 3px;
  border-radius: 0.125rem;
}

.bg-teal-darker :where(a, button, [tabindex]):focus-visible,
.bg-teal-deepest :where(a, button, [tabindex]):focus-visible,
footer :where(a, button, [tabindex]):focus-visible {
  outline-color: #fff;
}

/* Content remains available if JavaScript or IntersectionObserver is absent. */
.reveal,
.reveal.is-visible {
  opacity: 1 !important;
  transform: none !important;
}

#mobile-menu[hidden] {
  display: none !important;
}

#mobile-menu {
  overflow-y: auto;
  overscroll-behavior: contain;
}

body.menu-open {
  overflow: hidden;
}

.nojs-mobile-nav {
  display: none;
  padding-top: 5rem;
}

.lang-link {
  display: inline-flex;
  min-width: 2.75rem;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
}

.icon-button {
  min-width: 2.75rem;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
}

.btn-primary,
.filter-pill.is-active {
  background-color: #0a6f69 !important;
  border-color: #0a6f69 !important;
}

.btn-ghost,
.filter-pill {
  border-color: var(--divider-strong);
}

.btn-primary:hover,
.filter-pill.is-active:hover {
  background-color: #075b56 !important;
  border-color: #075b56 !important;
}

.text-teal,
a.text-teal {
  color: #0a6f69;
}

.home-title {
  max-width: 60rem;
  color: var(--text);
  font-size: clamp(2.55rem, 7vw, 4.65rem);
  line-height: 1.16;
  letter-spacing: 0;
}

.home-intro,
.home-copy {
  color: var(--text-soft);
  font-size: clamp(1rem, 2vw, 1.16rem);
  font-weight: 300;
  line-height: 1.9;
}

.section-title {
  color: var(--text);
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.25;
  letter-spacing: 0;
}

.hero-accent {
  position: absolute;
  top: 7rem;
  right: -4rem;
  width: min(42vw, 34rem);
  height: min(42vw, 34rem);
  border: 1px solid rgba(102, 103, 171, 0.22);
  transform: rotate(24deg);
  pointer-events: none;
}

.learning-eyebrow {
  color: #c5c5e4;
}

.learning-intro,
.learning-note,
.learning-card p {
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.8;
}

.learning-intro {
  font-size: 1.08rem;
}

.learning-card {
  min-width: 0;
  padding-top: 1.35rem;
  border-top: 1px solid rgba(255, 255, 255, 0.32);
}

.learning-card h3 {
  margin-bottom: 0.5rem;
  color: #fff;
  font-weight: 700;
}

.stat-number {
  margin-bottom: 0.65rem;
  font-size: clamp(3.7rem, 9vw, 5rem);
}

.stat-label,
.metrics-asof {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.metrics-asof {
  margin-bottom: 1.5rem;
}

.activity-title {
  margin-bottom: 0.8rem;
  color: var(--text);
  font-size: 1.2rem;
  line-height: 1.45;
}

.activity-summary {
  display: -webkit-box;
  overflow: hidden;
  color: var(--text-soft);
  font-size: 0.92rem;
  font-weight: 300;
  line-height: 1.8;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
}

.card-link::after {
  position: absolute;
  inset: 0;
  content: "";
}

.card-link:focus-visible::after {
  outline: 3px solid #6667ab;
  outline-offset: -4px;
}

.page-hero {
  padding-top: 8rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid var(--divider);
  background: linear-gradient(180deg, var(--surface) 0%, #fff 100%);
}

.page-hero-grid {
  display: grid;
  gap: 2rem;
  align-items: end;
}

.breadcrumb {
  margin-bottom: 2rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.breadcrumb li + li::before {
  margin-right: 0.5rem;
  color: var(--divider-strong);
  content: "/";
}

.breadcrumb a {
  color: #0a6f69;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.page-kicker {
  margin-bottom: 1rem;
  color: var(--purple);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.page-title {
  max-width: 48rem;
  color: var(--text);
  font-family: var(--font-editorial);
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0;
}

.page-intro {
  max-width: 45rem;
  color: var(--text-soft);
  font-size: 1.0625rem;
  font-weight: 300;
  line-height: 1.9;
}

.content-shell {
  max-width: 80rem;
  margin: 0 auto;
  padding: 4.5rem 1.5rem 6rem;
}

.content-grid {
  display: grid;
  gap: 1.25rem;
}

.info-card {
  border: 1px solid var(--divider);
  background: #fff;
  padding: 1.75rem;
}

.info-card h2,
.info-card h3 {
  margin-bottom: 0.75rem;
  color: var(--text);
  font-family: var(--font-editorial);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.35;
}

.info-card p,
.info-card li,
.prose p,
.prose li {
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 1.85;
}

.info-card ul,
.prose ul,
.prose ol {
  margin: 0.75rem 0 0;
  padding-left: 1.35rem;
}

.info-card ul,
.prose ul {
  list-style: disc;
}

.prose {
  max-width: 52rem;
}

.prose h2 {
  margin: 2.75rem 0 1rem;
  color: var(--text);
  font-family: var(--font-editorial);
  font-size: clamp(1.55rem, 3vw, 2rem);
  font-weight: 700;
  line-height: 1.35;
}

.prose h2:first-child {
  margin-top: 0;
}

.prose p + p,
.prose li + li {
  margin-top: 0.75rem;
}

.notice {
  margin: 1.5rem 0;
  padding: 1.25rem 1.4rem;
  border-left: 4px solid var(--purple);
  background: var(--surface);
  color: var(--text-soft);
  font-size: 0.95rem;
  line-height: 1.8;
}

.cta-panel {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
  margin-top: 2rem;
  padding: 1.5rem;
  border: 1px solid var(--divider);
  background: var(--surface-warm);
}

.data-method-link {
  color: #0a6f69;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.faq-list {
  display: grid;
  gap: 1rem;
}

.faq-item {
  border: 1px solid var(--divider);
  background: #fff;
  padding: 1.5rem;
}

.faq-item h2 {
  margin-bottom: 0.75rem;
  color: var(--text);
  font-family: var(--font-editorial);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.45;
}

.faq-item p {
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 1.85;
}

.filter-status {
  min-height: 1.5rem;
  margin-top: 0.75rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.activity-row[hidden] {
  display: none !important;
}

.activity-row {
  scroll-margin-top: 6.5rem;
  border-bottom: 1px solid var(--divider);
}

.activity-filter {
  position: static;
}

.filter-label {
  margin-right: 0.5rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.filter-pill {
  min-height: 2.75rem;
}

.footer-heading {
  margin-bottom: 1.2rem;
  color: #c5c5e4;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-copy,
.footer-meta,
.footer-link {
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.9rem;
  line-height: 1.8;
}

@media (max-width: 30rem) {
  .cta-panel > a,
  .cta-panel > button {
    width: 100%;
    max-width: 100%;
    justify-content: center;
    overflow-wrap: anywhere;
    text-align: center;
    white-space: normal;
  }
}

@media (forced-colors: active) {
  .editorial-number {
    color: CanvasText !important;
    background: none !important;
    -webkit-background-clip: border-box !important;
    background-clip: border-box !important;
    -webkit-text-fill-color: CanvasText !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  :where(a, button, .group, .group > *, .reveal):hover,
  .group:hover > *,
  .activity-card:hover,
  .group:hover .group-hover\:-translate-y-1 {
    transform: none !important;
  }

  .corner-cut:hover::after {
    border-width: 0 20px 20px 0 !important;
  }

  [lang="en"] .corner-cut:hover::after {
    border-width: 0 18px 18px 0 !important;
  }
}

/* v4.2 visual system: one shared layout layer for all three languages. */
html[lang="zh-Hant"] {
  --font-body: 'HKAWM Sans HK', 'PingFang HK', 'PingFang TC', 'Microsoft JhengHei', sans-serif;
  --font-editorial: 'HKAWM Serif HK', 'Songti TC', 'Noto Serif CJK HK', serif;
}

html[lang="zh-Hans"] {
  --font-body: 'HKAWM Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-editorial: 'HKAWM Serif SC', 'Songti SC', 'Noto Serif CJK SC', serif;
}

html[lang="en"] {
  --font-body: 'Inter', 'HKAWM Sans HK', system-ui, -apple-system, sans-serif;
  --font-editorial: 'Cormorant Garamond', 'HKAWM Serif HK', Georgia, serif;
}

body {
  font-family: var(--font-body);
  font-synthesis: none;
}

.site-container {
  width: 100%;
  max-width: 80rem;
  margin-right: auto;
  margin-left: auto;
  padding-right: 1.5rem;
  padding-left: 1.5rem;
  box-sizing: border-box;
}

.font-serif-tc {
  font-family: var(--font-editorial);
  font-feature-settings: normal;
}

[lang="en"] .font-serif-tc {
  font-family: var(--font-editorial);
  font-feature-settings: normal;
}

[lang="zh-Hans"] body {
  font-family: var(--font-body);
}

.btn-primary-sm {
  padding: 0.65rem 1.15rem;
  font-size: 0.85rem;
}

.bg-divider {
  background-color: var(--divider);
}

.hover\:bg-surface:hover {
  background-color: var(--surface);
}

.hover\:bg-surface-warm:hover {
  background-color: var(--surface-warm);
}

.hover\:text-teal-dark:hover {
  color: var(--teal-dark);
}

.site-header-row {
  display: flex;
  min-width: 0;
  height: 5rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-brand {
  display: inline-flex;
  min-width: 0;
  flex: 0 1 auto;
  align-items: center;
}

.site-brand-image {
  display: block;
  width: auto;
  height: 2.75rem;
  max-width: min(48vw, 12rem);
  object-fit: contain;
}

.desktop-nav,
.desktop-actions {
  display: none;
}

.desktop-nav {
  min-width: 0;
  align-items: center;
  gap: 1.45rem;
  white-space: nowrap;
}

.desktop-actions,
.language-switch {
  align-items: center;
}

.desktop-actions {
  flex: 0 0 auto;
  gap: 1rem;
}

.language-switch {
  display: flex;
}

.menu-toggle {
  display: inline-flex;
  flex: 0 0 auto;
}

.mobile-menu-shell {
  padding-top: 0;
}

.nojs-mobile-nav {
  border-bottom: 1px solid var(--divider);
}

.nojs-nav-inner {
  padding-top: 1.25rem;
  padding-bottom: 1.25rem;
}

.nojs-language-switch {
  padding-top: 1rem;
  border-top: 1px solid var(--divider);
}

.home-hero {
  padding-top: 7.5rem;
  padding-bottom: 4.75rem;
}

.home-hero-inner {
  position: relative;
}

.home-hero-grid {
  display: grid;
}

.home-hero-copy {
  width: 100%;
  max-width: 60rem;
  min-width: 0;
}

.home-title {
  max-width: 56rem;
  font-size: clamp(2.5rem, 5.4vw, 4.25rem);
  line-height: 1.15;
  letter-spacing: 0;
  text-wrap: balance;
}

[lang="en"] .home-title {
  max-width: 60rem;
  font-size: clamp(2.5rem, 5.2vw, 4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.home-intro,
.home-copy {
  max-width: 46rem;
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  font-weight: 400;
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.section-title {
  max-width: 48rem;
  font-size: clamp(1.9rem, 3.2vw, 2.625rem);
  line-height: 1.25;
  letter-spacing: 0;
  text-wrap: balance;
}

[lang="en"] .section-title {
  font-size: clamp(2rem, 3.4vw, 2.75rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
}

#about,
#vision,
.home-values,
.membership-band,
.learning-section,
.metrics-section,
.activities-preview,
#contact {
  padding-top: 4.25rem;
  padding-bottom: 4.25rem;
}

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

.values-grid > * {
  min-width: 0;
  overflow-wrap: anywhere;
}

.home-values .font-black {
  font-weight: 700;
}

#about .font-light,
#vision .font-light,
.home-values .font-light,
#contact .font-light {
  font-weight: 400;
}

.about-metrics-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
  align-items: end;
}

.about-layout-grid,
.contact-layout-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 3rem;
}

.about-layout-grid > *,
.contact-layout-grid > * {
  grid-column: auto !important;
  min-width: 0;
}

.membership-band-grid {
  display: grid;
  min-width: 0;
  gap: 2.25rem;
  align-items: center;
}

.membership-copy {
  max-width: 48rem;
}

.membership-actions,
.learning-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.learning-head {
  max-width: 52rem;
}

.learning-eyebrow {
  margin-bottom: 1.25rem;
}

.learning-title {
  max-width: 38rem;
  color: #fff !important;
}

.learning-intro {
  max-width: 49rem;
  margin-top: 1.5rem;
  font-size: 1.0625rem;
  font-weight: 400;
  line-height: 1.8;
}

.learning-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
  margin-top: 3.25rem;
}

.learning-card {
  height: 100%;
  padding-top: 1.25rem;
}

.learning-card h3 {
  font-size: 1.0625rem;
  line-height: 1.45;
}

.learning-card p,
.learning-note {
  font-weight: 400;
}

.learning-note {
  max-width: 60rem;
  margin-top: 2.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.learning-actions {
  margin-top: 1.5rem;
}

.metrics-heading {
  margin-bottom: 3rem;
}

.metrics-summary,
.metrics-summary.members-visible {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
  max-width: 54rem;
  margin-right: auto;
  margin-bottom: 2rem;
  margin-left: auto;
  text-align: center;
}

.metrics-summary > div {
  min-width: 0;
}

.stat-number {
  font-size: clamp(3.5rem, 8vw, 4.65rem);
}

.metrics-asof {
  margin-bottom: 1.5rem;
  text-align: center;
}

.metrics-notice {
  max-width: 56rem;
  margin-right: auto;
  margin-left: auto;
}

.activities-preview-head {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.activities-preview-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
}

.activity-card {
  min-width: 0;
  padding: 1.75rem !important;
}

.activity-title,
.activity-summary {
  overflow-wrap: anywhere;
}

.activity-summary {
  font-weight: 400;
}

.page-hero {
  padding-top: 7.5rem;
  padding-bottom: 3.75rem;
}

.page-hero-grid {
  grid-template-columns: minmax(0, 1fr);
  gap: 1.75rem;
  align-items: end;
}

.page-heading {
  min-width: 0;
}

.page-title {
  max-width: 50rem;
  font-size: clamp(2.35rem, 4.8vw, 3.25rem);
  line-height: 1.18;
  letter-spacing: 0;
  text-wrap: balance;
  overflow-wrap: anywhere;
}

[lang="en"] .page-title {
  max-width: 52rem;
  font-size: clamp(2.5rem, 4.8vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
}

.page-intro {
  max-width: 44rem;
  font-size: 1.0625rem;
  font-weight: 400;
  line-height: 1.82;
  overflow-wrap: anywhere;
}

.content-shell {
  width: 100%;
  max-width: 80rem;
  margin-right: auto;
  margin-left: auto;
  padding: 4rem 1.5rem 5rem;
  box-sizing: border-box;
}

.prose ol {
  list-style: decimal;
}

.prose p,
.prose li,
.faq-item p,
.info-card p,
.info-card li {
  font-weight: 400;
}

.faq-list {
  max-width: 56rem;
}

.activity-filter-inner {
  padding-top: 1.25rem;
  padding-bottom: 1.25rem;
}

.activities-list-section {
  padding-top: 3.5rem;
  padding-bottom: 4.5rem;
}

.activity-row {
  padding-top: 2.5rem !important;
  padding-bottom: 2.5rem !important;
  border-top: 0 !important;
  border-bottom: 1px solid var(--divider) !important;
}

#activity-list > .activity-row:first-child {
  border-top: 1px solid var(--divider) !important;
}

#activity-list .activity-row > .grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) !important;
  gap: 1.25rem !important;
}

#activity-list .activity-row > .grid > * {
  grid-column: auto !important;
  min-width: 0;
}

.activity-row h2 {
  font-size: clamp(1.35rem, 2.4vw, 1.7rem) !important;
  line-height: 1.38 !important;
  overflow-wrap: anywhere;
}

[lang="en"] .activity-row h2 {
  font-size: clamp(1.45rem, 2.5vw, 1.8rem) !important;
  line-height: 1.25 !important;
}

.activity-row p {
  max-width: 72ch;
  font-weight: 400 !important;
}

.activity-contact {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.activity-contact-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.activity-contact-title {
  max-width: 52rem;
  color: var(--text);
  font-size: clamp(1.45rem, 2.8vw, 1.9rem);
  line-height: 1.4;
  text-wrap: balance;
}

.activity-contact-action {
  min-width: 0;
}

.site-footer {
  padding-top: 4.5rem;
  padding-bottom: 2.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

.footer-brand,
.footer-grid > div {
  min-width: 0;
}

.footer-logo-link {
  display: inline-block;
  max-width: 100%;
  margin-bottom: 1.5rem;
}

.footer-logo-image {
  display: block;
  width: 17rem;
  height: auto;
  max-width: 100%;
  object-fit: contain;
}

.footer-copy {
  max-width: 25rem;
}

.footer-links {
  display: grid;
  gap: 0.65rem;
}

.footer-link {
  display: inline-block;
  overflow-wrap: anywhere;
}

@media (min-width: 40rem) {
  .about-metrics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .values-grid,
  .learning-grid,
  .activities-preview-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .metrics-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .metrics-summary.members-visible {
    grid-template-columns: minmax(0, 1fr);
    max-width: 54rem;
  }

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

@media (min-width: 48rem) {
  .site-container,
  .content-shell {
    padding-right: 2rem;
    padding-left: 2rem;
  }

  .home-hero {
    padding-top: 8.5rem;
    padding-bottom: 5.5rem;
  }

  #about,
  #vision,
  .home-values,
  .membership-band,
  .learning-section,
  .metrics-section,
  .activities-preview,
  #contact {
    padding-top: 5.25rem;
    padding-bottom: 5.25rem;
  }

  .page-hero {
    padding-top: 8.5rem;
    padding-bottom: 4.25rem;
  }

  .content-shell {
    padding-top: 4.75rem;
    padding-bottom: 5.75rem;
  }
}

@media (min-width: 80rem) {
  .site-container,
  .content-shell {
    padding-right: 3rem;
    padding-left: 3rem;
  }

  .site-header-row {
    height: 5.75rem;
  }

  .site-brand-image {
    height: 3.25rem;
    max-width: 12.25rem;
  }

  .desktop-nav,
  .desktop-actions {
    display: flex;
  }

  .menu-toggle,
  .mobile-menu-shell {
    display: none !important;
  }

  .home-hero {
    padding-top: 10rem;
    padding-bottom: 7rem;
  }

  .home-hero-copy {
    max-width: 61rem;
  }

  #about,
  #vision,
  .home-values,
  .membership-band,
  .learning-section,
  .metrics-section,
  .activities-preview {
    padding-top: 6.25rem;
    padding-bottom: 6.25rem;
  }

  #contact {
    padding-top: 5.75rem;
    padding-bottom: 5.75rem;
  }

  .values-grid,
  .learning-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  [lang="en"] .values-grid > * {
    padding-right: 2rem !important;
    padding-left: 2rem !important;
  }

  .membership-band-grid {
    grid-template-columns: minmax(0, 2fr) minmax(18rem, 1fr);
    gap: 4rem;
  }

  .membership-actions {
    justify-content: flex-end;
  }

  .about-layout-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 4rem;
  }

  .contact-layout-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 5rem;
  }

  .activities-preview-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-hero {
    padding-top: 9.5rem;
    padding-bottom: 4.75rem;
  }

  .page-hero-grid {
    grid-template-columns: minmax(0, 6.5fr) minmax(0, 5.5fr);
    gap: 4.5rem;
  }

  .activities-list-section {
    padding-top: 4.5rem;
    padding-bottom: 6rem;
  }

  #activity-list .activity-row > .grid {
    grid-template-columns: repeat(12, minmax(0, 1fr)) !important;
    gap: 2.5rem !important;
  }

  #activity-list .activity-row > .grid > :first-child {
    grid-column: span 3 / span 3 !important;
  }

  #activity-list .activity-row > .grid > :last-child {
    grid-column: span 9 / span 9 !important;
  }

  .activity-contact-grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 3rem;
  }

  .activity-contact-action {
    text-align: right;
  }

  .footer-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.75fr) minmax(0, 1fr) minmax(0, 1fr);
    gap: 3rem;
  }

}

@media (max-width: 30rem) {
  .home-hero .btn-primary,
  .home-hero .btn-ghost,
  .membership-actions > a,
  .learning-actions > a,
  .activity-contact-action > a {
    width: 100%;
    justify-content: center;
    text-align: center;
    white-space: normal;
  }

  .hero-accent {
    right: -7rem;
    opacity: 0.3;
  }
}

/* v4.2 typography guard: locale-correct faces, no synthetic CJK glyphs. */
html[lang="zh-Hant"] body,
html[lang="zh-Hans"] body {
  font-feature-settings: "tnum";
  font-kerning: normal;
}

html[lang="en"] .font-serif {
  font-family: var(--font-editorial);
}

html[lang="zh-Hant"] :is(.font-serif-tc, .home-title, .section-title, .page-title, .activity-title, .info-card h2, .info-card h3, .prose h2, .faq-item h2),
html[lang="zh-Hans"] :is(.font-serif-tc, .home-title, .section-title, .page-title, .activity-title, .info-card h2, .info-card h3, .prose h2, .faq-item h2) {
  font-feature-settings: normal;
  letter-spacing: 0;
}

html[lang="zh-Hant"] .about-metrics-grid [style*="font-family"],
html[lang="zh-Hans"] .about-metrics-grid [style*="font-family"] {
  letter-spacing: 0 !important;
}

.footer-link:hover,
.footer-link:focus-visible {
  color: #fff;
  text-decoration: underline;
}

.footer-divider {
  border-color: rgba(255, 255, 255, 0.28);
}

.prose a,
.faq-item a {
  color: #0a6f69;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

[lang="en"] .page-title,
[lang="en"] .section-title,
[lang="en"] .home-title,
[lang="en"] .info-card h2,
[lang="en"] .info-card h3,
[lang="en"] .prose h2,
[lang="en"] .faq-item h2 {
  font-family: var(--font-editorial);
}

.footer-link {
  text-underline-offset: 0.2em;
}

@media (min-width: 48rem) {
  .page-hero {
    padding-top: 10rem;
    padding-bottom: 5rem;
  }

  .page-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .content-grid.cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .content-grid.cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 40rem) and (max-width: 63.999rem) {
  .sm\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 47.999rem) {
  .content-shell {
    padding-top: 3rem;
    padding-bottom: 4.5rem;
  }

  .info-card,
  .faq-item {
    padding: 1.3rem;
  }

  .activity-filter {
    position: static;
  }

  .hero-accent {
    opacity: 0.45;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto !important;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Final cascade guard: keep responsive page geometry after legacy rules. */
.page-hero {
  padding-top: 7.5rem;
  padding-bottom: 3.75rem;
}

.page-hero-grid {
  grid-template-columns: minmax(0, 1fr);
  gap: 1.75rem;
}

.content-shell {
  padding: 4rem 1.5rem 5rem;
}

@media (min-width: 48rem) {
  .site-container,
  .content-shell {
    padding-right: 2rem;
    padding-left: 2rem;
  }

  .page-hero {
    padding-top: 8.5rem;
    padding-bottom: 4.25rem;
  }

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

  .content-shell {
    padding-top: 4.75rem;
    padding-bottom: 5.75rem;
  }

  .metrics-summary.members-visible {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    max-width: 70rem;
  }
}

@media (min-width: 80rem) {
  .site-container,
  .content-shell {
    padding-right: 3rem;
    padding-left: 3rem;
  }

  .page-hero {
    padding-top: 9.5rem;
    padding-bottom: 4.75rem;
  }

  .page-hero-grid {
    grid-template-columns: minmax(0, 6.5fr) minmax(0, 5.5fr);
    gap: 4.5rem;
  }
}