/* R8P1 — isolated reference article shell. Loaded only for the gated reference slug. */
body.xp-page-article-v2 .knowledge-article--v2 {
  padding: clamp(24px, 3.2vw, 42px) 0 clamp(72px, 8vw, 112px);
  background: var(--fl-surface);
}

.article-v2-shell { max-width: 1080px; }

.article-v2-progress {
  position: fixed;
  z-index: 299;
  top: var(--nav-height);
  left: 0;
  right: 0;
  height: 2px;
  pointer-events: none;
  overflow: hidden;
  background: transparent;
}
.article-v2-progress > span {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: var(--fl-purple);
  will-change: transform;
}

.article-v2-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(22px, 3vw, 32px);
  color: var(--fl-ink-soft);
  font-size: 12px;
  line-height: 1.4;
}
.article-v2-breadcrumb a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
@media (hover:hover) and (pointer:fine) {
  .article-v2-breadcrumb a:hover { border-bottom-color: currentColor; }
}

.article-v2-hero__copy { max-width: 820px; }
.article-v2-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 14px;
  color: var(--fl-purple-dark);
  font-family: var(--font-accent);
  font-size: 11px;
  line-height: 1.35;
  font-weight: 600;
  letter-spacing: .11em;
  text-transform: uppercase;
}
.article-v2-hero h1 {
  max-width: 16ch;
  margin: 0;
  color: var(--fl-ink);
  font-family: var(--font-display);
  font-size: clamp(44px, 5vw, 66px);
  line-height: .98;
  letter-spacing: -.035em;
  font-weight: 400;
  text-wrap: balance;
}
.article-v2-summary {
  max-width: 66ch;
  margin-top: 18px;
  color: var(--fl-ink-soft);
  font-size: clamp(17px, 1.35vw, 20px);
  line-height: 1.6;
}
.article-v2-freshness {
  margin-top: 16px;
  color: var(--fl-ink-soft);
  font-family: var(--font-accent);
  font-size: 10.5px;
  line-height: 1.4;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.article-v2-media {
  margin: clamp(28px, 4vw, 42px) 0 0;
  overflow: hidden;
  aspect-ratio: 16 / 7;
  max-height: 455px;
  border-radius: 26px 58px 26px 26px;
  background: #eee9e3;
}
.article-v2-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 52%;
}

.article-v2-kicker {
  color: var(--fl-purple-dark);
  font-family: var(--font-accent);
  font-size: 11px;
  line-height: 1.3;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.article-v2-takeaways {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: clamp(22px, 4vw, 48px);
  margin: clamp(34px, 5vw, 54px) 0 clamp(32px, 5vw, 54px);
  padding: 24px 0 26px;
  border-top: 1px solid var(--fl-line);
  border-bottom: 1px solid var(--fl-line);
}
.article-v2-takeaways ul {
  display: grid;
  gap: 12px;
  max-width: 760px;
  list-style: none;
}
.article-v2-takeaways li {
  position: relative;
  padding-left: 23px;
  color: var(--fl-purple-dark);
  font-family: var(--font-display);
  font-size: clamp(22px, 2.15vw, 29px);
  line-height: 1.16;
  text-wrap: pretty;
}
.article-v2-takeaways li::before {
  content: "";
  position: absolute;
  top: .5em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--fl-green-light);
}

.article-v2-toc-mobile { display: none; }
.article-v2-reading-grid {
  display: grid;
  grid-template-columns: minmax(0, 740px) minmax(180px, 230px);
  gap: clamp(50px, 7vw, 86px);
  align-items: start;
}
.article-v2-content { min-width: 0; }
.article-v2-toc { min-width: 0; }
.article-v2-toc__inner {
  position: sticky;
  top: calc(var(--nav-height) + 34px);
  padding-top: 8px;
}
.article-v2-toc__inner > p {
  margin: 0 0 15px;
  color: var(--fl-ink-soft);
  font-family: var(--font-accent);
  font-size: 10.5px;
  line-height: 1.3;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.article-v2-toc ol { list-style: none; }
.article-v2-toc li + li { margin-top: 2px; }
.article-v2-toc a {
  display: grid;
  grid-template-columns: 25px minmax(0, 1fr);
  gap: 8px;
  padding: 8px 0;
  border-left: 2px solid transparent;
  color: var(--fl-ink-soft);
  font-size: 13px;
  line-height: 1.42;
  text-decoration: none;
  transition: color 180ms ease, border-color 180ms ease, padding-left 180ms ease;
}
.article-v2-toc a span {
  color: var(--fl-purple);
  font-family: var(--font-accent);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .05em;
}
.article-v2-toc a.is-active {
  padding-left: 9px;
  border-left-color: var(--fl-purple-dark);
  color: var(--fl-purple-dark);
  font-weight: 600;
}

.article-v2-section {
  padding: clamp(32px, 4.2vw, 48px) 0;
  border-bottom: 1px solid var(--fl-line-light);
}
.article-v2-section:first-child { padding-top: 8px; }
.article-v2-section__head {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 22px;
}
.article-v2-section__number {
  flex: 0 0 auto;
  padding-top: .62em;
  color: var(--fl-purple);
  font-family: var(--font-accent);
  font-size: 10.5px;
  line-height: 1;
  font-weight: 600;
  letter-spacing: .1em;
}
.article-v2-section__head h2 {
  max-width: 17ch;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(31px, 3.25vw, 43px);
  line-height: 1.04;
  letter-spacing: -.025em;
  font-weight: 400;
  text-wrap: balance;
}
.article-v2-section__body { padding-left: 37px; }
.article-v2-section__body > p {
  max-width: 68ch;
  color: var(--fl-ink-soft);
  font-size: 16.5px;
  line-height: 1.78;
}
.article-v2-section__body > p + p { margin-top: 17px; }
.article-v2-section__body > h3 {
  margin: 28px 0 10px;
  font-family: var(--font-display);
  font-size: 25px;
  line-height: 1.12;
  font-weight: 400;
}

.article-v2-list {
  display: grid;
  gap: 0;
  margin: 24px 0 0;
  list-style: none;
  border-top: 1px solid var(--fl-line-light);
}
.article-v2-list li {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px 0;
  border-bottom: 1px solid var(--fl-line-light);
  color: var(--fl-ink-soft);
  line-height: 1.58;
}
.article-v2-list__mark {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--fl-green-light) 28%, white);
  color: var(--fl-green);
  font-size: 11px;
  font-weight: 800;
}

.article-v2-note {
  margin: 30px 0 0;
  padding: 22px 0 4px 22px;
  border-left: 3px solid var(--fl-green-light);
}
.article-v2-note__label {
  display: block;
  margin-bottom: 8px;
  color: var(--fl-purple-dark);
  font-family: var(--font-accent);
  font-size: 10.5px;
  line-height: 1.3;
  font-weight: 600;
  letter-spacing: .11em;
  text-transform: uppercase;
}
.article-v2-note strong {
  display: block;
  margin-bottom: 8px;
  color: var(--fl-ink);
  font-family: var(--font-display);
  font-size: clamp(23px, 2.25vw, 29px);
  line-height: 1.08;
  font-weight: 400;
}
.article-v2-note p {
  max-width: 65ch;
  color: var(--fl-ink-soft);
  line-height: 1.7;
}

.article-v2-faq {
  padding: clamp(42px, 5vw, 60px) 0;
  border-bottom: 1px solid var(--fl-line-light);
}
.article-v2-faq > header {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 28px;
  align-items: end;
  margin-bottom: 24px;
}
.article-v2-faq .eyebrow { margin: 0 0 5px; }
.article-v2-faq h2 {
  max-width: 16ch;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(31px, 3.1vw, 42px);
  line-height: 1.04;
  font-weight: 400;
}
.article-v2-faq__items { border-top: 1px solid var(--fl-line); }
.article-v2-faq details { border-bottom: 1px solid var(--fl-line); }
.article-v2-faq summary {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  padding: 17px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: clamp(20px, 2vw, 24px);
  line-height: 1.18;
}
.article-v2-faq summary::-webkit-details-marker { display: none; }
.article-v2-faq__icon {
  flex: 0 0 auto;
  color: var(--fl-purple-dark);
  font-family: var(--font-body);
  font-size: 21px;
  line-height: 1;
  font-weight: 400;
  transition: transform 180ms ease;
}
.article-v2-faq details[open] .article-v2-faq__icon { transform: rotate(45deg); }
.article-v2-faq details p {
  max-width: 65ch;
  padding: 0 42px 20px 0;
  color: var(--fl-ink-soft);
  line-height: 1.72;
}

.article-v2-sources {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 32px;
  padding: 26px 0;
  border-bottom: 1px solid var(--fl-line);
}
.article-v2-sources .eyebrow { margin-bottom: 5px; }
.article-v2-sources h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 23px;
  line-height: 1.08;
  font-weight: 400;
}
.article-v2-sources ul { list-style: none; }
.article-v2-sources li + li { border-top: 1px solid var(--fl-line-light); }
.article-v2-sources a {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 8px 0;
  color: var(--fl-ink-soft);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
}
.article-v2-sources a > span:last-child { color: var(--fl-purple-dark); }
@media (hover:hover) and (pointer:fine) {
  .article-v2-sources a:hover { color: var(--fl-purple-dark); }
}

.article-v2-related {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: clamp(32px, 5vw, 58px);
  margin-top: clamp(58px, 8vw, 88px);
  padding-top: 28px;
  border-top: 1px solid var(--fl-line);
}
.article-v2-related header h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 3vw, 40px);
  line-height: 1.04;
  font-weight: 400;
}
.article-v2-related__grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 0 26px;
}
.article-v2-related__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px 16px;
  align-items: end;
  padding: 17px 0;
  border-bottom: 1px solid var(--fl-line-light);
  color: var(--fl-ink);
  text-decoration: none;
}
.article-v2-related__item > span {
  grid-column: 1 / -1;
  color: var(--fl-purple-dark);
  font-family: var(--font-accent);
  font-size: 10px;
  line-height: 1.3;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.article-v2-related__item strong {
  font-family: var(--font-display);
  font-size: 21px;
  line-height: 1.12;
  font-weight: 400;
}
.article-v2-related__item small {
  color: var(--fl-purple-dark);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.article-v2-related__item--primary {
  grid-row: span 2;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  min-height: 210px;
  padding: 26px;
  border: 0;
  border-radius: 22px 48px 22px 22px;
  background: color-mix(in srgb, var(--fl-cream) 62%, white);
}
.article-v2-related__item--primary strong {
  margin: 24px 0 8px;
  font-size: clamp(25px, 2.4vw, 32px);
}
@media (hover:hover) and (pointer:fine) {
  .article-v2-related__item strong,
  .article-v2-related__item small { transition: color 180ms ease; }
  .article-v2-related__item:hover strong,
  .article-v2-related__item:hover small { color: var(--fl-purple-dark); }
}

.article-v2-workshop-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 36px;
  align-items: end;
  margin-top: clamp(48px, 7vw, 72px);
  padding: 26px 0 28px;
  border-top: 1px solid var(--fl-line);
  border-bottom: 1px solid var(--fl-line);
}
.article-v2-workshop-cta h2 {
  max-width: 19ch;
  margin: 7px 0 8px;
  font-family: var(--font-display);
  font-size: clamp(29px, 3vw, 39px);
  line-height: 1.04;
  font-weight: 400;
}
.article-v2-workshop-cta p:last-child {
  max-width: 58ch;
  color: var(--fl-ink-soft);
  line-height: 1.6;
}
.article-v2-back { margin-top: 23px; }

@media (max-width: 979px) {
  .article-v2-reading-grid { grid-template-columns: 1fr; gap: 0; }
  .article-v2-toc { display: none; }
  .article-v2-toc-mobile {
    display: block;
    margin: 0 0 30px;
    border-top: 1px solid var(--fl-line);
    border-bottom: 1px solid var(--fl-line);
  }
  .article-v2-toc-mobile summary {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    padding: 15px 0;
    cursor: pointer;
    list-style: none;
    color: var(--fl-purple-dark);
    font-family: var(--font-accent);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
  }
  .article-v2-toc-mobile summary::-webkit-details-marker { display: none; }
  .article-v2-toc-mobile summary > span:last-child { font-size: 18px; transition: transform 180ms ease; }
  .article-v2-toc-mobile[open] summary > span:last-child { transform: rotate(45deg); }
  .article-v2-toc-mobile ol { padding: 0 0 13px; list-style: none; }
  .article-v2-toc-mobile a {
    display: grid;
    grid-template-columns: 26px minmax(0, 1fr);
    gap: 9px;
    padding: 8px 0;
    color: var(--fl-ink-soft);
    font-size: 14px;
    line-height: 1.42;
    text-decoration: none;
  }
  .article-v2-toc-mobile a span {
    color: var(--fl-purple);
    font-family: var(--font-accent);
    font-size: 10px;
    font-weight: 600;
  }
  .article-v2-section:first-child { padding-top: 0; }
  .article-v2-related { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  body.xp-page-article-v2 .knowledge-article--v2 { padding-top: 20px; }
  .article-v2-breadcrumb { margin-bottom: 20px; }
  .article-v2-hero h1 { max-width: 13ch; font-size: clamp(42px, 12vw, 58px); }
  .article-v2-summary { margin-top: 15px; font-size: 17px; line-height: 1.56; }
  .article-v2-freshness { margin-top: 13px; }
  .article-v2-media {
    margin-top: 25px;
    aspect-ratio: 4 / 3;
    max-height: 390px;
    border-radius: 20px 38px 20px 20px;
  }
  .article-v2-takeaways {
    grid-template-columns: 1fr;
    gap: 13px;
    margin: 28px 0 24px;
    padding: 20px 0 22px;
  }
  .article-v2-takeaways li { font-size: clamp(21px, 6.2vw, 26px); }
  .article-v2-section { padding: 31px 0; }
  .article-v2-section__head { gap: 12px; margin-bottom: 18px; }
  .article-v2-section__number { padding-top: .57em; }
  .article-v2-section__head h2 { font-size: clamp(30px, 8.4vw, 38px); }
  .article-v2-section__body { padding-left: 0; }
  .article-v2-section__body > p { font-size: 16px; line-height: 1.72; }
  .article-v2-list li { grid-template-columns: 22px minmax(0, 1fr); gap: 10px; padding: 13px 0; }
  .article-v2-note { margin-top: 26px; padding: 18px 0 2px 17px; }
  .article-v2-faq { padding: 36px 0; }
  .article-v2-faq > header { grid-template-columns: 1fr; gap: 5px; margin-bottom: 18px; }
  .article-v2-faq h2 { max-width: none; }
  .article-v2-faq summary { padding: 15px 0; font-size: 21px; }
  .article-v2-faq details p { padding-right: 20px; }
  .article-v2-sources { grid-template-columns: 1fr; gap: 12px; padding: 22px 0; }
  .article-v2-related { margin-top: 52px; gap: 22px; }
  .article-v2-related__grid { grid-template-columns: 1fr; }
  .article-v2-related__item--primary { grid-row: auto; min-height: 180px; margin-bottom: 5px; padding: 22px; }
  .article-v2-workshop-cta { grid-template-columns: 1fr; gap: 18px; margin-top: 48px; }
  .article-v2-workshop-cta .text-link { justify-self: start; }
}

@media (max-width: 390px) {
  .article-v2-meta { gap: 6px; }
  .article-v2-hero h1 { font-size: 43px; }
  .article-v2-media { aspect-ratio: 1.18 / 1; }
  .article-v2-takeaways li { padding-left: 20px; }
  .article-v2-section__head h2 { font-size: 31px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .article-v2-progress > span,
  .article-v2-toc a,
  .article-v2-faq__icon,
  .article-v2-toc-mobile summary > span:last-child { transition: none !important; }
}

@supports not (color: color-mix(in srgb, white 50%, black)) {
  .article-v2-list__mark { background: #e5eddc; }
  .article-v2-related__item--primary { background: #f8f3d8; }
}