:root {
  --blog-reading-width: 720px;
  --blog-sidebar-width: 190px;
}

.article-layout {
  display: grid;
  grid-template-columns: var(--blog-sidebar-width) minmax(0, var(--blog-reading-width));
  gap: 70px;
  width: min(100% - 48px, 1050px);
  margin: 0 auto;
  padding: 68px 0 118px;
}

.article-toc {
  position: sticky;
  top: 98px;
  align-self: start;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  padding-top: 15px;
  border-top: 1px solid #bfbdb8;
}

.article-toc__label {
  display: block;
  margin-bottom: 15px;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.article-toc ol {
  list-style: none;
}

.article-toc li + li {
  margin-top: 9px;
}

.article-toc a {
  display: block;
  color: var(--color-text-muted);
  font-size: 11px;
  line-height: 1.45;
  text-decoration: none;
  transition: color 150ms ease;
}

.article-toc a:hover,
.article-toc a.is-active {
  color: var(--color-text);
}

.article-toc a.is-active {
  font-weight: 700;
}

.blog-article {
  min-width: 0;
}

.article-header {
  margin-bottom: 48px;
  padding-bottom: 35px;
  border-bottom: 1px solid #bfbdb8;
}

.article-eyebrow {
  margin-bottom: 18px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.09em;
  line-height: 1.5;
  text-transform: uppercase;
}

.article-header h1 {
  max-width: 700px;
  margin-bottom: 21px;
  font-size: clamp(2.65rem, 5.3vw, 4.35rem);
  letter-spacing: -0.057em;
  line-height: 1.01;
}

.article-deck {
  max-width: 680px;
  margin-bottom: 29px;
  color: var(--color-text-secondary);
  font-size: 19px;
  line-height: 1.58;
}

.article-byline {
  display: flex;
  align-items: center;
  gap: 12px;
}

.article-byline .article-avatar {
  display: grid;
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 50%;
  background: var(--color-text);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  text-align: center;
}

.article-byline strong,
.article-byline span {
  display: block;
}

.article-byline strong {
  font-size: 13px;
}

.article-byline span {
  color: var(--color-text-muted);
  font-size: 12px;
}

.article-summary {
  margin: 0 0 64px;
  padding: 24px 0 25px;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.article-summary h2 {
  margin-bottom: 14px;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.article-summary ul {
  margin: 0;
  padding-left: 20px;
}

.article-summary li {
  color: var(--color-text-secondary);
  font-size: 14px;
  line-height: 1.67;
}

.article-summary li + li {
  margin-top: 8px;
}

.article-section {
  margin-bottom: 66px;
  scroll-margin-top: 92px;
}

.article-section > h2 {
  margin-bottom: 24px;
  font-size: 27px;
  line-height: 1.18;
  letter-spacing: -0.035em;
}

.article-section > h2 .section-number {
  display: none;
}

.article-section h3 {
  margin: 36px 0 14px;
  font-size: 19px;
  letter-spacing: -0.025em;
}

.article-section p,
.article-section li {
  font-size: 17px;
  line-height: 1.76;
}

.article-section p {
  margin-bottom: 19px;
}

.article-points,
.article-steps {
  margin: 19px 0 28px;
  padding-left: 24px;
}

.article-points li + li,
.article-steps li + li {
  margin-top: 11px;
}

.article-callout {
  margin: 36px 0;
  padding: 25px 0;
  border-top: 1px solid #bfbdb8;
  border-bottom: 1px solid #bfbdb8;
  color: var(--color-text);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.02em;
}

.field-note {
  margin: 32px 0;
  padding: 22px 24px;
  border-radius: 8px;
  background: var(--color-bg-alt);
}

.field-note__label {
  display: block;
  margin-bottom: 9px;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.field-note p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 14px;
}

.article-figure {
  width: calc(100% + 84px);
  margin: 38px -42px 46px;
}

.article-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: #fff;
}

.article-figure figcaption {
  margin-top: 11px;
  padding-inline: 42px;
  color: var(--color-text-muted);
  font-size: 11px;
  line-height: 1.55;
}

.series-note {
  margin: 40px 0;
  padding: 18px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: 13px;
  line-height: 1.65;
}

.series-note a {
  color: var(--color-text);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-cta {
  margin: 45px 0;
  padding: 31px;
  border-radius: 12px;
  background: #171717;
  color: #fff;
}

.article-cta h2 {
  margin-bottom: 11px;
  color: #fff;
  font-size: 24px;
}

.article-cta p {
  margin-bottom: 21px;
  color: #c9c6c1;
  font-size: 14px;
  line-height: 1.6;
}

.article-cta .btn {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
}

.article-cta .btn:hover {
  border-color: #fff;
  background: #fff;
  color: var(--color-text);
}

.author-note {
  margin: 48px 0 38px;
  padding-top: 29px;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 13px;
  line-height: 1.68;
}

.author-note strong {
  color: var(--color-text);
}

.article-sources {
  padding-top: 29px;
  border-top: 1px solid var(--color-border);
  scroll-margin-top: 92px;
}

.article-sources h2 {
  margin-bottom: 17px;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.article-sources ol {
  padding-left: 22px;
}

.article-sources li {
  color: var(--color-text-muted);
  font-size: 12px;
  line-height: 1.6;
}

.article-sources li + li {
  margin-top: 9px;
}

.article-sources a,
.article-section a {
  color: var(--color-text);
  text-decoration: underline;
  text-decoration-color: #bfbdb8;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.article-sources a:hover,
.article-section a:hover {
  color: var(--color-primary);
  text-decoration-color: var(--color-primary);
}

@media (max-width: 920px) {
  .article-layout {
    display: block;
    width: min(100% - 40px, var(--blog-reading-width));
    padding-top: 46px;
  }

  .article-toc {
    display: none;
  }
}

@media (max-width: 760px) {
  .article-figure {
    width: 100%;
    margin-inline: 0;
  }

  .article-figure figcaption {
    padding-inline: 0;
  }
}

@media (max-width: 600px) {
  .article-layout {
    width: min(100% - 30px, var(--blog-reading-width));
    padding: 37px 0 78px;
  }

  .article-header {
    margin-bottom: 42px;
  }

  .article-header h1 {
    font-size: clamp(2.45rem, 12vw, 3.45rem);
  }

  .article-deck {
    font-size: 17px;
  }

  .article-summary {
    margin-bottom: 52px;
  }

  .article-section {
    margin-bottom: 54px;
  }

  .article-section > h2 {
    font-size: 24px;
  }

  .article-section p,
  .article-section li {
    font-size: 16px;
  }

  .article-callout {
    font-size: 18px;
  }

  .article-cta {
    padding: 25px 22px;
  }
}

@media print {
  .site-nav,
  .article-toc,
  .compliance-footer,
  .article-cta {
    display: none !important;
  }

  body {
    padding-top: 0;
    background: #fff;
  }

  .article-layout {
    display: block;
    width: 100%;
    padding: 0;
  }

  .article-figure {
    width: 100%;
    margin-inline: 0;
  }

  .article-section,
  .article-figure,
  .field-note {
    break-inside: avoid;
  }
}