html,
.knowledge-article-page {
  scroll-behavior: smooth;
}

.knowledge-article-page {
  --ka-orange: #ff7a00;
  --ka-cream: #f7efe2;
  --ka-muted: #b9b1a5;
  --ka-border: rgba(255, 255, 255, 0.16);
  --ka-panel: rgba(18, 18, 18, 0.78);
  --ka-header-offset: 88px;
  min-height: 100vh;
  background:
    radial-gradient(circle at 8% 18%, rgba(255, 122, 0, 0.12), transparent 28rem),
    linear-gradient(180deg, #070707 0%, #10100f 52%, #070707 100%);
  color: var(--ka-cream);
}

.knowledge-article-shell {
  width: min(1780px, calc(100% - clamp(28px, 3vw, 64px)));
  margin-inline: auto;
}

.knowledge-article-page a:focus-visible,
.knowledge-article-page button:focus-visible,
.knowledge-article-page summary:focus-visible {
  outline: 2px solid var(--ka-orange);
  outline-offset: 4px;
}

.knowledge-article-hero {
  position: relative;
  min-height: clamp(470px, 44vw, 620px);
  display: grid;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.98) 0%, rgba(0, 0, 0, 0.9) 30%, rgba(0, 0, 0, 0.46) 52%, rgba(0, 0, 0, 0.08) 74%, rgba(0, 0, 0, 0.28) 100%),
    radial-gradient(circle at 18% 28%, rgba(255, 122, 0, 0.16), transparent 34rem),
    #111;
}

.knowledge-article-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image: var(--knowledge-article-cover, none);
  background-size: auto 100%;
  background-position: right center;
  background-repeat: no-repeat;
  filter: grayscale(1) contrast(1.04) brightness(0.94);
  transform: scale(1.015);
}

.knowledge-article-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.18), rgba(0, 0, 0, 0.02) 42%, #090909 100%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.025) 0 1px, transparent 1px 4px);
  pointer-events: none;
}

.knowledge-article-hero.is-fallback::before {
  background-image:
    radial-gradient(circle at 24% 26%, rgba(255, 122, 0, 0.26), transparent 24rem),
    linear-gradient(135deg, #17120f, #060606 72%);
  filter: none;
}

.knowledge-article-hero__inner {
  position: relative;
  padding: clamp(2.2rem, 4.4vw, 4.2rem) 0 clamp(2rem, 4vw, 3rem);
  display: grid;
  align-content: center;
  gap: 1rem;
}

.knowledge-article-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  color: var(--ka-muted);
  font-family: var(--title-font);
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.knowledge-article-breadcrumb a {
  color: var(--ka-orange);
  text-decoration: none;
}

.knowledge-article-hero__kicker {
  margin: 0;
  color: var(--ka-orange);
  font-family: var(--title-font);
  font-size: 1.15rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.knowledge-article-hero__title {
  max-width: min(760px, 46vw);
  margin: 0;
  color: #fff6e8;
  font-family: var(--title-font);
  font-size: clamp(3.1rem, 5.6vw, 5.45rem);
  line-height: 0.9;
  letter-spacing: 0.018em;
  text-transform: uppercase;
  text-wrap: balance;
  white-space: normal;
  overflow-wrap: break-word;
}

.knowledge-article-hero__lead {
  max-width: min(620px, 42vw);
  margin: 0;
  color: #f2eadc;
  font-size: clamp(1rem, 1.45vw, 1.18rem);
  line-height: 1.58;
}

.knowledge-article-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.65rem;
  margin-top: 1.2rem;
}

.knowledge-article-hero__meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: #fff8ec;
  font-family: var(--title-font);
  font-size: 1.02rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.knowledge-article-hero__meta i {
  color: var(--ka-orange);
}

.knowledge-article-hero__credit {
  position: absolute;
  right: 0;
  bottom: clamp(1.3rem, 3vw, 2.2rem);
  max-width: 340px;
  margin: 0;
  color: rgba(255, 248, 236, 0.72);
  font-size: 0.86rem;
  text-align: right;
}

.knowledge-article-layout {
  display: grid;
  grid-template-columns: clamp(180px, 14vw, 250px) minmax(680px, 1fr) clamp(280px, 20vw, 360px);
  gap: clamp(1.2rem, 1.8vw, 2.2rem);
  align-items: start;
  padding: clamp(1.4rem, 2.6vw, 2.4rem) 0 1.4rem;
}

.knowledge-article-rail {
  min-width: 0;
}

.knowledge-article-rail--toc,
.knowledge-article-rail--docs {
  position: sticky;
  top: var(--ka-header-offset);
}

.knowledge-article-toc,
.knowledge-article-card,
.knowledge-article-bottom {
  border: 1px solid var(--ka-border);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.015)),
    var(--ka-panel);
  box-shadow: 0 22px 55px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(12px);
}

.knowledge-article-toc {
  border-radius: 4px;
  padding: 1.15rem 1.05rem;
}

.knowledge-article-toc summary {
  cursor: pointer;
  list-style: none;
  color: var(--ka-muted);
  font-family: var(--title-font);
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

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

.knowledge-article-toc__list {
  display: grid;
  gap: 0.82rem;
  margin: 1.12rem 0 0;
  padding: 0;
  list-style: none;
  counter-reset: article-toc;
}

.knowledge-article-toc__list li {
  counter-increment: article-toc;
}

.knowledge-article-toc__list a {
  display: grid;
  grid-template-columns: 1.85rem 1fr;
  gap: 0.5rem;
  align-items: start;
  color: #efe7d9;
  text-decoration: none;
  line-height: 1.24;
}

.knowledge-article-toc__list a::before {
  content: counter(article-toc, decimal-leading-zero);
  color: #fff;
  font-family: var(--title-font);
  font-size: 1.18rem;
}

.knowledge-article-toc__list a span {
  padding-top: 0.14rem;
  font-weight: 800;
}

.knowledge-article-toc__list a:hover,
.knowledge-article-toc__list a.is-active {
  color: var(--ka-orange);
}

.knowledge-article-toc__pdf {
  margin-top: 1.8rem;
  min-height: 44px;
  border: 1px solid var(--ka-orange);
  border-radius: 5px;
  color: #fff3e2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.72rem 1rem;
  text-decoration: none;
  font-family: var(--title-font);
  font-size: 1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.knowledge-article-reader {
  min-width: 0;
  padding-right: clamp(0.35rem, 0.8vw, 0.7rem);
}

.knowledge-article-content {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.4rem);
}

.knowledge-article-panel {
  scroll-margin-top: calc(var(--ka-header-offset) + 22px);
  min-width: 0;
  display: grid;
  gap: 1.25rem;
}

.knowledge-article-panel__title {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  min-width: 0;
  margin: 0;
  color: #fff8ec;
  font-family: var(--title-font);
  font-size: clamp(2rem, 2.6vw, 2.65rem);
  line-height: 0.98;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  overflow-wrap: anywhere;
}

.knowledge-article-panel__title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.55rem;
  width: 42px;
  height: 3px;
  background: var(--ka-orange);
}

.knowledge-article-panel__number {
  color: #fff;
}

.knowledge-article-panel__content {
  color: #e9e2d7;
  font-size: clamp(1.06rem, 1.05vw, 1.14rem);
  line-height: 1.82;
  max-width: 86ch;
}

.knowledge-article-panel__content p {
  margin: 0;
}

.knowledge-article-panel__content p + p {
  margin-top: 1.18rem;
}

.knowledge-article-panel__media {
  position: relative;
  margin: 0.45rem 0 0;
  overflow: hidden;
  border: 1px solid rgba(255, 122, 0, 0.48);
  border-radius: 5px;
  background: #111;
}

.knowledge-article-panel__media img {
  display: block;
  width: 100%;
  max-height: 340px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: grayscale(1) contrast(1.03);
}

.knowledge-article-panel__caption {
  position: absolute;
  right: 0;
  bottom: 0;
  max-width: 72%;
  margin: 0;
  padding: 0.65rem 0.85rem;
  color: rgba(255, 248, 236, 0.86);
  background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.82) 18%);
  font-size: 0.82rem;
  line-height: 1.35;
  text-align: right;
}

.knowledge-article-view__empty {
  margin: 0;
  padding: 1.2rem;
  border: 1px solid var(--ka-border);
  color: var(--ka-muted);
}

.knowledge-article-card {
  border-radius: 4px;
  padding: 1rem;
}

.knowledge-article-card + .knowledge-article-card {
  margin-top: 1rem;
}

.knowledge-article-card h2 {
  margin: 0 0 0.85rem;
  color: var(--ka-muted);
  font-family: var(--title-font);
  font-size: 1.32rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.knowledge-article-keyfacts__list {
  display: grid;
  gap: 0.82rem;
  margin: 0;
}

.knowledge-article-keyfacts__item {
  display: grid;
  grid-template-columns: 1.45rem 1fr;
  gap: 0.72rem;
  align-items: start;
}

.knowledge-article-keyfacts__item i {
  color: #efe7d9;
  font-size: 1.05rem;
}

.knowledge-article-keyfacts__item dt {
  color: var(--ka-muted);
  font-family: var(--title-font);
  font-size: 0.96rem;
  text-transform: uppercase;
}

.knowledge-article-keyfacts__item dd {
  margin: 0.2rem 0 0;
  color: #fff6ea;
  line-height: 1.42;
  font-size: 0.96rem;
}

.knowledge-article-tags__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.knowledge-article-tags__list span {
  border: 1px solid rgba(255, 122, 0, 0.42);
  border-radius: 999px;
  padding: 0.36rem 0.62rem;
  color: #fff4e5;
  background: rgba(255, 122, 0, 0.08);
  font-size: 0.82rem;
}

.knowledge-article-share__actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.42rem;
}

.knowledge-article-share__btn {
  min-height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  color: #fff4e7;
  background: rgba(255, 255, 255, 0.04);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.42rem;
  font-size: 0.88rem;
}

.knowledge-article-share__btn:hover,
.knowledge-article-share__btn:focus-visible {
  border-color: var(--ka-orange);
  color: var(--ka-orange);
}

.knowledge-article-bottom {
  margin-top: 1.2rem;
  border-radius: 5px;
  padding: clamp(1rem, 2vw, 1.35rem);
}

.knowledge-article-sources {
  padding: clamp(0.75rem, 1.35vw, 1rem);
  opacity: 0.92;
}

.knowledge-article-section-heading {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.knowledge-article-section-heading span,
.knowledge-article-section-heading h2 {
  margin: 0;
  color: #fff8ec;
  font-family: var(--title-font);
  font-size: clamp(1.8rem, 3vw, 2.45rem);
  line-height: 1;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.knowledge-article-section-heading::after {
  content: "";
  flex: 1;
  height: 1px;
  background: rgba(255, 255, 255, 0.14);
}

.knowledge-article-section-heading--compact {
  margin-bottom: 0.55rem;
}

.knowledge-article-section-heading--compact span,
.knowledge-article-section-heading--compact h2 {
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  color: rgba(255, 248, 236, 0.86);
}

.knowledge-article-sources-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.35rem 1rem;
}

.knowledge-article-sources__list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: source-list;
}

.knowledge-article-sources__list li {
  counter-increment: source-list;
  display: grid;
  grid-template-columns: 2.7rem 1fr auto;
  gap: 0.7rem;
  align-items: center;
  min-height: 44px;
  padding: 0.34rem 0.55rem 0.34rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.095);
  color: #efe7d9;
}

.knowledge-article-sources__list li::before {
  content: "S" counter(source-list, decimal-leading-zero);
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 4px;
  color: #fff;
  padding: 0.22rem 0.3rem;
  font-family: var(--title-font);
  font-size: 0.86rem;
  text-align: center;
}

.knowledge-article-sources__list strong,
.knowledge-article-sources__list a {
  color: #fff8ec;
  text-decoration: none;
  font-weight: 800;
  font-size: 0.94rem;
}

.knowledge-article-sources__list span {
  color: var(--ka-muted);
  font-size: 0.78rem;
}

.knowledge-article-related__rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(280px, 1fr);
  gap: 0.9rem;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  padding-bottom: 0.35rem;
}

.knowledge-article-related__card {
  min-height: 132px;
  display: grid;
  grid-template-columns: 118px 1fr;
  gap: 0.75rem;
  align-items: stretch;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 5px;
  color: #fff5e9;
  background:
    linear-gradient(145deg, rgba(255, 122, 0, 0.08), rgba(255, 255, 255, 0.035) 34%, rgba(255, 255, 255, 0.018)),
    rgba(255, 255, 255, 0.035);
  overflow: hidden;
  text-decoration: none;
}

.knowledge-article-related__media {
  background: #151515;
}

.knowledge-article-related__media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  filter: grayscale(1) contrast(1.05);
}

.knowledge-article-related__body {
  display: grid;
  align-content: center;
  gap: 0.32rem;
  padding: 0.8rem 0.9rem 0.8rem 0;
}

.knowledge-article-related__meta,
.knowledge-article-related__cta {
  color: var(--ka-orange);
  font-family: var(--title-font);
  font-size: 0.95rem;
  text-transform: uppercase;
}

.knowledge-article-related__title {
  color: #fff8ec;
  font-family: var(--title-font);
  font-size: 1.55rem;
  line-height: 1;
  text-transform: uppercase;
}

.knowledge-article-related__excerpt {
  display: none;
}

.knowledge-article-related__card:hover,
.knowledge-article-related__card:focus-visible {
  border-color: var(--ka-orange);
}

@media (max-width: 1180px) {
  .knowledge-article-hero__title,
  .knowledge-article-hero__lead {
    max-width: min(640px, 68vw);
  }

  .knowledge-article-hero {
    min-height: 500px;
    background:
      linear-gradient(90deg, rgba(0, 0, 0, 0.98) 0%, rgba(0, 0, 0, 0.86) 38%, rgba(0, 0, 0, 0.4) 66%, rgba(0, 0, 0, 0.18) 100%),
      radial-gradient(circle at 18% 28%, rgba(255, 122, 0, 0.16), transparent 34rem),
      #111;
  }

  .knowledge-article-hero::before {
    background-size: auto 100%;
    background-position: right center;
  }

  .knowledge-article-layout {
    grid-template-columns: minmax(170px, 210px) minmax(0, 1fr);
  }

  .knowledge-article-rail--docs {
    grid-column: 1 / -1;
    position: static;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
  }

  .knowledge-article-card + .knowledge-article-card {
    margin-top: 0;
  }
}

@media (max-width: 820px) {
  .knowledge-article-shell {
    width: min(100% - 28px, 1370px);
  }

  .knowledge-article-hero {
    min-height: 520px;
    background:
      linear-gradient(180deg, rgba(0, 0, 0, 0.38) 0%, rgba(0, 0, 0, 0.12) 26%, rgba(0, 0, 0, 0.84) 58%, rgba(0, 0, 0, 0.98) 100%),
      #111;
  }

  .knowledge-article-hero::before {
    background-size: cover;
    background-position: center top;
    filter: grayscale(1) contrast(1.04) brightness(0.88);
  }

  .knowledge-article-hero__inner {
    padding-top: clamp(8rem, 24vw, 11rem);
  }

  .knowledge-article-hero__title {
    max-width: 650px;
    font-size: clamp(2.45rem, 8.5vw, 4.25rem);
  }

  .knowledge-article-hero__credit {
    position: static;
    text-align: left;
  }

  .knowledge-article-layout {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding-top: 1rem;
    min-height: 0;
    max-height: none;
    overflow: visible;
  }

  .knowledge-article-rail--toc,
  .knowledge-article-rail--docs {
    position: static;
    grid-column: auto;
  }

  .knowledge-article-reader {
    max-height: none;
    overflow: visible;
    padding-right: 0;
  }

  .knowledge-article-toc {
    padding: 0;
    overflow: hidden;
  }

  .knowledge-article-toc summary {
    min-height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.92rem 1rem;
    font-size: 1.22rem;
  }

  .knowledge-article-toc summary::after {
    content: "+";
    color: var(--ka-orange);
    font-size: 1.2rem;
  }

  .knowledge-article-toc[open] summary::after {
    content: "-";
  }

  .knowledge-article-toc__list {
    margin: 0;
    padding: 0 1rem 1rem;
    gap: 0.7rem;
  }

  .knowledge-article-toc__pdf {
    margin: 0 1rem 1rem;
  }

  .knowledge-article-panel__title {
    font-size: clamp(1.75rem, 5.6vw, 2.45rem);
  }

  .knowledge-article-panel__content {
    font-size: 1.04rem;
    line-height: 1.78;
  }

  .knowledge-article-rail--docs,
  .knowledge-article-sources-grid {
    grid-template-columns: 1fr;
  }

  .knowledge-article-rail--docs {
    gap: 0.78rem;
  }
}

@media (max-width: 520px) {
  .knowledge-article-shell {
    width: min(100% - 18px, 1370px);
  }

  .knowledge-article-hero {
    min-height: 500px;
  }

  .knowledge-article-hero__inner {
    padding-top: clamp(7.2rem, 26vw, 9.5rem);
    gap: 0.78rem;
  }

  .knowledge-article-hero__title {
    max-width: 100%;
    font-size: clamp(2rem, 10vw, 3rem);
    line-height: 0.94;
    letter-spacing: 0.01em;
    text-wrap: auto;
  }

  .knowledge-article-hero__lead {
    font-size: 0.98rem;
    line-height: 1.58;
  }

  .knowledge-article-hero__meta {
    gap: 0.65rem;
  }

  .knowledge-article-hero__meta span {
    font-size: 0.92rem;
  }

  .knowledge-article-panel {
    gap: 1rem;
  }

  .knowledge-article-panel__title {
    display: block;
    font-size: clamp(1.55rem, 8vw, 2.12rem);
    line-height: 1;
  }

  .knowledge-article-panel__content {
    font-size: 1rem;
    line-height: 1.72;
  }

  .knowledge-article-panel__content p + p {
    margin-top: 1rem;
  }

  .knowledge-article-panel__caption {
    position: static;
    max-width: none;
    text-align: left;
    background: rgba(0, 0, 0, 0.7);
  }

  .knowledge-article-share__actions {
    grid-template-columns: 1fr;
  }

  .knowledge-article-sources__list li {
    grid-template-columns: 3rem 1fr;
    min-height: 0;
    padding-block: 0.7rem;
  }

  .knowledge-article-section-heading span,
  .knowledge-article-section-heading h2 {
    font-size: clamp(1.45rem, 8vw, 1.95rem);
  }

  .knowledge-article-related__rail {
    grid-auto-columns: minmax(245px, 86vw);
  }
}