.preview-banner {
  margin: 0;
  padding: 0.34rem 1rem;
  border-bottom: var(--rule);
  background: var(--family-blue-soft);
  color: var(--color-sapphire-dark);
  font-size: 0.82rem;
  font-weight: 650;
  letter-spacing: 0.02em;
  text-align: center;
}

.preview-banner::before {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  margin-right: 0.55rem;
  border-radius: 50%;
  background: var(--color-sapphire);
  content: "";
}

.site-header {
  position: sticky;
  z-index: 80;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.6rem;
  border-bottom: var(--rule);
  background: rgb(244 241 232 / 0.94);
  backdrop-filter: blur(18px) saturate(1.15);
  gap: var(--space-6);
}

.wordmark {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 0.55rem;
  color: var(--color-ink);
  font-family: var(--font-interface);
  font-size: 1rem;
  font-weight: 820;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.wordmark .family-mark {
  width: 2rem;
  height: 2rem;
  flex: 0 0 auto;
  object-fit: contain;
}

.wordmark-copy {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  line-height: 1;
}

.family-name,
.brand-divider { line-height: 1; }

.brand-divider {
  color: var(--color-rule-strong);
  font-weight: 500;
}

.product-wordmark {
  display: block;
  width: 5.2rem;
  height: auto;
  aspect-ratio: 83 / 30;
  flex: 0 0 auto;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: stretch;
  align-self: stretch;
  gap: clamp(0.75rem, 1.7vw, 1.85rem);
}

.site-nav a {
  display: grid;
  place-items: center;
  position: relative;
  color: var(--color-ink-soft);
  font-size: 0.84rem;
  font-weight: 720;
  text-decoration: none;
}

.site-nav a[aria-current="page"] {
  color: var(--color-ink);
}

.site-nav a[aria-current="page"]::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  background: var(--color-sapphire);
  content: "";
}

.site-nav .paper-nav-link {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--color-ink-soft);
  white-space: nowrap;
}

.site-nav .paper-nav-link:hover {
  color: var(--color-sapphire-dark);
}

.paper-nav-link > span:not(.sr-only) {
  margin-left: 0;
  color: inherit;
  font-size: 0.9rem;
}

.menu-button {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  place-items: center;
  border: 0;
  background: transparent;
  color: var(--color-ink);
}

.menu-close,
.menu-button[aria-expanded="true"] .menu-open {
  display: none;
}

.menu-button[aria-expanded="true"] .menu-close {
  display: block;
}

.icon {
  width: 1.2em;
  height: 1.2em;
  flex: 0 0 auto;
}

.button {
  display: inline-flex;
  min-height: 2.9rem;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.7rem 1.15rem;
  border: 1px solid var(--color-sapphire);
  border-radius: 999px;
  background: var(--color-sapphire);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 650;
  line-height: 1.2;
  text-decoration: none;
}

.button:hover {
  border-color: var(--color-sapphire-dark);
  background: var(--color-sapphire-dark);
  color: #fff;
}

.button-secondary {
  border-color: var(--color-rule-strong);
  background: var(--color-paper-strong);
  color: var(--color-ink);
}

.button-secondary:hover {
  border-color: var(--color-sapphire);
  background: var(--color-sapphire-soft);
  color: var(--color-sapphire-dark);
}

.button-text {
  min-height: 2.5rem;
  padding-inline: 0;
  border: 0;
  background: transparent;
  color: var(--color-sapphire-dark);
}

.button-text:hover {
  background: transparent;
  color: var(--color-sapphire);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-block: var(--space-6) var(--space-7);
}

.release-line {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-block: var(--space-4) 0;
  color: var(--color-muted);
  font-size: 0.86rem;
}

.release-line strong {
  color: var(--color-ink-soft);
}

.page-hero {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-7);
  padding-block: clamp(2.25rem, 3.5vw, 3.25rem) clamp(1.8rem, 3vw, 2.5rem);
  border-bottom: var(--rule);
}

.page-hero > div:first-child {
  max-width: 70rem;
}

.page-hero h1 {
  max-width: 18ch;
  margin-bottom: var(--space-5);
}

.page-intro {
  max-width: 58rem;
  margin-bottom: 0;
  color: var(--color-ink-soft);
  font-size: clamp(1.12rem, 2vw, 1.45rem);
  line-height: 1.45;
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.section-heading h2,
.section-heading p {
  margin-bottom: 0;
}

.membership-visual {
  display: grid;
  min-width: min(100%, 39rem);
  grid-template-columns: auto minmax(8rem, 18rem) auto auto;
  align-items: center;
  gap: var(--space-5);
  margin: 0;
}

.membership-number strong {
  display: block;
  color: var(--color-sapphire);
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5.8rem);
  font-weight: 500;
  line-height: 0.9;
}

.membership-number span {
  display: block;
  margin-top: var(--space-2);
  color: var(--color-muted);
  font-size: 0.8rem;
  white-space: nowrap;
}

.membership-grid {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  gap: 0.32rem;
}

.membership-mark {
  display: grid;
  width: 1rem;
  height: 1rem;
  place-items: center;
  border-radius: 50%;
}

.membership-mark.retained {
  border: 1.5px solid var(--color-sapphire);
}

.membership-mark.removed {
  color: var(--color-magenta);
  font-size: 1.4rem;
  font-weight: 500;
  line-height: 0.6;
}

.membership-arrow {
  color: var(--color-rule-strong);
  font-size: 2rem;
}

.membership-compact {
  min-width: 23rem;
  grid-template-columns: auto 8rem auto auto;
  gap: var(--space-3);
}

.membership-compact .membership-number strong {
  font-size: 3rem;
}

.membership-compact .membership-grid {
  grid-template-columns: repeat(6, 1fr);
}

.membership-compact .membership-mark {
  width: 0.55rem;
  height: 0.55rem;
}

.evidence-label,
.protocol-label {
  display: inline-flex;
  align-items: center;
  min-height: 1.65rem;
  padding: 0.2rem 0.48rem;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 650;
  line-height: 1.15;
  white-space: normal;
}

.evidence-strict {
  color: var(--color-teal);
}

.evidence-compatibility {
  border-color: #8fbfc1;
  background: var(--color-teal-soft);
  color: #075b60;
}

.evidence-derived_uniform {
  border-color: #b9a7ea;
  background: var(--color-violet-soft);
  color: #5630b8;
}

.evidence-targeted_recovery {
  border-color: #e09ab9;
  background: var(--color-magenta-soft);
  color: #a60051;
}

.evidence-native_strict {
  border-color: #9ab5f4;
  background: var(--color-sapphire-soft);
  color: var(--color-sapphire-dark);
}

.evidence-native_composite {
  background: var(--color-sapphire-dark);
  color: #fff;
}

.protocol-label {
  border-color: var(--color-rule-strong);
  color: var(--color-ink-soft);
}

.score-mark {
  display: inline-grid;
  width: 3.35rem;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  margin-left: var(--space-3);
}

.score-dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
}

.score-original {
  border: 1.5px solid var(--color-muted);
  background: var(--color-paper-strong);
}

.score-clean {
  background: var(--color-sapphire);
}

.score-line {
  height: 1px;
  background: var(--color-rule-strong);
}

.site-footer {
  margin-top: var(--space-8);
  border-top: 1px solid var(--color-rule-strong);
  background: #e9e6dd;
  color: var(--color-muted);
}

.footer-shell {
  display: grid;
  width: min(100% - 2.25rem, var(--content-max));
  grid-template-columns: minmax(12rem, 0.78fr) minmax(19rem, 1.42fr) minmax(11rem, 0.52fr);
  column-gap: var(--space-7);
  row-gap: var(--space-5);
  margin-inline: auto;
  padding-block: var(--space-7) var(--space-5);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: var(--space-2);
}

.footer-family-mark {
  width: 2.25rem;
  height: 2.25rem;
  flex: 0 0 auto;
  object-fit: contain;
}

.footer-brand-divider {
  color: var(--color-rule-strong);
  font-size: 1rem;
}

.footer-product-wordmark {
  display: block;
  width: 6.25rem;
  height: auto;
  aspect-ratio: 100 / 36;
  flex: 0 0 auto;
  object-fit: contain;
}

.site-footer strong,
.footer-label {
  color: var(--color-ink);
  font-family: var(--font-interface);
  font-size: 0.96rem;
  font-weight: 800;
}

.site-footer p {
  max-width: 36rem;
  margin: var(--space-2) 0 0;
  font-size: 0.82rem;
}

.footer-explore {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.footer-explore a {
  font-size: 0.82rem;
}

.external-link {
  display: inline-flex;
  gap: 0.32em;
  align-items: baseline;
}

.button.external-link {
  align-items: center;
}

.external-link-indicator {
  color: var(--color-sapphire);
  font-size: 0.88em;
  font-weight: 800;
  line-height: 1;
}

.footer-paper,
.footer-explore {
  padding-left: var(--space-5);
  border-left: var(--rule);
}

.footer-label {
  margin: 0 0 var(--space-3) !important;
  font-size: 0.69rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.footer-paper-citation {
  color: var(--color-ink-soft) !important;
  font-weight: 650;
}

.footer-doi-link {
  color: var(--color-ink);
  font-family: var(--font-data);
  font-size: 0.78rem;
  overflow-wrap: anywhere;
}

.footer-paper-note {
  max-width: 29rem;
  margin-top: var(--space-3);
  font-size: 0.72rem;
  line-height: 1.45;
}

.footer-author {
  margin-top: var(--space-3) !important;
}

.build-stamp {
  grid-column: 1 / -1;
  padding-top: var(--space-4);
  border-top: var(--rule);
  font-size: 0.72rem !important;
}

.build-stamp code {
  font-size: 0.68rem;
}

@media (max-width: 1100px) {
  .site-footer {
    margin-top: var(--space-7);
  }

  .footer-shell {
    grid-template-columns: minmax(12rem, 0.8fr) minmax(18rem, 1.2fr);
  }

  .footer-explore {
    display: flex;
    grid-column: 1 / -1;
    align-items: baseline;
    flex-flow: row wrap;
    column-gap: var(--space-5);
    row-gap: var(--space-2);
    padding-top: var(--space-4);
    padding-left: 0;
    border-top: var(--rule);
    border-left: 0;
  }

  .footer-explore .footer-label {
    flex-basis: 100%;
    margin-bottom: 0 !important;
  }
}

@media (max-width: 960px) {
  .site-header {
    min-height: 3.9rem;
    backdrop-filter: none;
  }

  .menu-button {
    display: grid;
  }

  .site-nav {
    display: none;
    position: fixed;
    z-index: 100;
    inset: 0;
    width: 100vw;
    height: 100dvh;
    min-height: 100vh;
    align-content: start;
    overflow-y: auto;
    padding: 6rem 1.5rem 2rem;
    background: #f4f1e8;
  }

  .site-nav[data-open] {
    display: grid;
  }

  .site-nav a {
    min-height: 3.25rem;
    justify-items: start;
    border-bottom: var(--rule);
    font-family: var(--font-display);
    font-size: 1.55rem;
  }

  .site-nav .paper-nav-link {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.35rem;
    align-self: auto;
    min-height: 3.25rem;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
  }

  .site-nav .paper-nav-link .external-link-indicator {
    margin-left: 0.3rem;
  }

  .wordmark {
    display: grid;
    grid-template-columns: 2rem auto;
    column-gap: 0.55rem;
    row-gap: 0;
  }

  .wordmark .family-mark {
    grid-row: 1;
  }

  .wordmark-copy {
    display: grid;
    align-self: center;
    gap: 0;
  }

  .wordmark .family-name {
    font-size: 0.82rem;
    line-height: 1;
  }

  .wordmark .brand-divider {
    display: none;
  }

  .wordmark .product-wordmark {
    width: 3.8rem;
    margin-top: 0.08rem;
  }

  .menu-button {
    position: relative;
    z-index: 101;
  }

  .page-hero {
    display: block;
    padding-block: 2.25rem 1.5rem;
  }

  .page-hero .membership-visual {
    margin-top: var(--space-6);
  }
}

@media (max-width: 767px) {
  .membership-visual,
  .membership-compact {
    min-width: 0;
    grid-template-columns: auto minmax(6.5rem, 1fr) auto auto;
    gap: var(--space-3);
  }

  .membership-grid {
    gap: 0.2rem;
  }

  .membership-mark {
    width: 0.68rem;
    height: 0.68rem;
  }

  .membership-number strong,
  .membership-compact .membership-number strong {
    font-size: 2.25rem;
  }

  .section-heading {
    align-items: flex-start;
  }

  .site-footer {
    margin-inline: 0;
  }

  .footer-shell {
    width: min(100% - 2.25rem, var(--content-max));
    grid-template-columns: 1fr;
  }

  .footer-paper,
  .footer-explore {
    grid-column: auto;
    padding-top: var(--space-5);
    padding-left: 0;
    border-top: var(--rule);
    border-left: 0;
  }

  .footer-explore {
    flex-flow: row wrap;
    column-gap: var(--space-4);
  }
}

@media (max-width: 419px) {
  .site-shell {
    padding-inline: 1.125rem;
  }

  .section-heading {
    display: block;
  }

  .section-heading .button {
    margin-top: var(--space-4);
  }

  .hero-actions .button {
    width: 100%;
  }
}