/* BIOS Blog article — long-form editorial system based on the canonical homepage. */

body.article-page {
  --article-ink: #101114;
  --article-muted: #6e6e73;
  --article-soft: #f5f5f7;
  --article-blue: #0071e3;
  --article-line: rgba(16, 17, 20, .11);
  min-width: 320px;
  color: var(--article-ink);
  background: #fff;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Arial, sans-serif;
}

/* One outer grid for every article section. The reading column remains narrow. */
body.article-page .shell { width: min(1180px, calc(100% - 56px)); }

body.article-page main { overflow: clip; }

/* Shared BIOS Media campaign banner. Keep in sync with assets/blog.css. */
.media-banner {
  position: relative;
  height: clamp(112px, 7.2vw, 132px);
  color: #fff;
  background: #101114;
  overflow: hidden;
}
.media-banner-track { position: relative; height: 100%; }
.media-banner-slide { position: absolute; inset: 0; color: inherit; opacity: 0; pointer-events: none; transition: opacity .55s ease; }
.media-banner-slide.is-active { z-index: 1; opacity: 1; pointer-events: auto; }
.media-banner-slide::before {
  position: absolute;
  top: 50%;
  right: clamp(170px, 17vw, 310px);
  color: currentColor;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Arial, sans-serif;
  font-size: clamp(92px, 8vw, 138px);
  font-weight: 650;
  letter-spacing: -.09em;
  line-height: .7;
  opacity: .07;
  pointer-events: none;
  transform: translateY(-50%);
}
.media-banner-slide::after {
  position: absolute;
  z-index: 2;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: currentColor;
  content: "";
  opacity: .45;
  pointer-events: none;
  transform: scaleX(0);
  transform-origin: left center;
}
.media-banner-slide.is-active::after { animation: media-banner-progress 5.2s linear forwards; }
.media-banner.is-paused .media-banner-slide.is-active::after { animation-play-state: paused; }
.media-banner-slide--science {
  background:
    radial-gradient(circle at 76% -60%, rgba(71, 145, 255, .48), transparent 35%),
    radial-gradient(circle at 8% 170%, rgba(96, 64, 255, .38), transparent 38%),
    linear-gradient(112deg, #0c0d11 0%, #11141c 55%, #14253d 100%);
}
.media-banner-slide--science::before { content: "01"; }
.media-banner-slide--doctor {
  background:
    radial-gradient(circle at 84% -45%, rgba(255,255,255,.26), transparent 34%),
    linear-gradient(108deg, #006edc 0%, #087cf0 50%, #6342e5 100%);
}
.media-banner-slide--doctor::before { content: "02"; }
.media-banner-slide--research {
  color: var(--article-ink);
  background:
    radial-gradient(circle at 78% -70%, rgba(106, 74, 255, .30), transparent 39%),
    radial-gradient(circle at 3% 150%, rgba(0, 113, 227, .10), transparent 37%),
    linear-gradient(108deg, #edf6ff 0%, #f7f5ff 100%);
}
.media-banner-slide--research::before { content: "03"; }
.media-banner-inner { display: grid; height: 100%; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: clamp(28px, 5vw, 74px); }
.media-banner-message { display: grid; min-width: 0; gap: 5px; }
.media-banner-message strong { font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Arial, sans-serif; font-size: clamp(23px, 2.1vw, 31px); font-weight: 600; letter-spacing: -.04em; line-height: 1.02; white-space: nowrap; }
.media-banner-message small { color: rgba(255,255,255,.65); font-size: 13px; line-height: 1.35; white-space: nowrap; }
.media-banner-slide--research .media-banner-message small { color: #6e6e73; }
.media-banner-action { display: inline-flex; min-height: 38px; padding: 0 16px; border: 1px solid transparent; border-radius: 999px; align-items: center; gap: 9px; font-size: 12px; font-weight: 700; white-space: nowrap; transition: transform .2s ease, background-color .2s ease; }
.media-banner-action i { font-style: normal; transition: transform .2s ease; }
.media-banner-slide:hover .media-banner-action { transform: translateY(-1px); }
.media-banner-slide:hover .media-banner-action i { transform: translateX(3px); }
.media-banner-slide--science .media-banner-action { color: #101114; background: #fff; }
.media-banner-slide--doctor .media-banner-action { color: #006edc; background: #fff; }
.media-banner-slide--research .media-banner-action { color: #fff; background: var(--article-blue); }
.media-banner-toggle { position: absolute; z-index: 4; top: 9px; right: max(14px, calc((100vw - 1180px) / 2)); display: grid; width: 24px; height: 24px; padding: 0; border: 0; color: rgba(255,255,255,.7); background: transparent; cursor: pointer; font-size: 10px; line-height: 1; place-items: center; }
.media-banner.is-light-slide .media-banner-toggle { color: rgba(16,17,20,.6); }
.media-banner-toggle:hover { color: currentColor; opacity: 1; }
@keyframes media-banner-progress { to { transform: scaleX(1); } }

.article-progress { position: fixed; z-index: 1001; top: 0; left: 0; width: 100%; height: 2px; pointer-events: none; }
.article-progress span { display: block; width: 0; height: 100%; background: var(--article-blue); }
.article-kicker { margin: 0 0 18px; color: #3a3a3f; font-size: 14px; font-weight: 650; letter-spacing: -.01em; }

.article-hero { padding: clamp(28px, 3vw, 42px) 0 clamp(54px, 6vw, 84px); background: #fff; }
.article-hero-inner { max-width: 1180px; }
.article-breadcrumbs { display: flex; margin: 0 0 clamp(32px, 4vw, 46px); color: #86868b; align-items: center; gap: 10px; font-size: 12px; }
.article-breadcrumbs a { color: inherit; }
.article-breadcrumbs a:hover { color: var(--article-blue); }
.article-hero .article-kicker { color: var(--article-blue); }
.article-hero h1 { max-width: 1120px; margin: 0; color: var(--article-ink); font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Arial, sans-serif; font-size: clamp(46px, 4.6vw, 64px); font-weight: 600; font-synthesis: none; letter-spacing: -.048em; line-height: .92; text-wrap: balance; }
.article-deck { max-width: 980px; margin: 26px 0 0; color: var(--article-muted); font-size: clamp(18px, 1.5vw, 21px); letter-spacing: -.014em; line-height: 1.5; }
.article-tags { display: flex; margin-top: 26px; flex-wrap: wrap; gap: 8px; }
.article-tags a { display: inline-flex; min-height: 36px; padding: 0 14px; border: 1px solid rgba(16, 17, 20, .14); border-radius: 999px; color: #5f6065; background: #fff; align-items: center; font-size: 12px; font-weight: 550; transition: border-color .2s ease, color .2s ease; }
.article-tags a:hover { border-color: rgba(0, 113, 227, .34); color: var(--article-blue); }
.article-byline { display: flex; width: 100%; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--article-line); align-items: center; justify-content: space-between; gap: 24px; }
.article-author-mini { display: flex; color: inherit; align-items: center; gap: 13px; }
.article-author-mini img { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; background: #e9e9ec; }
.article-author-mini p { display: grid; margin: 0; gap: 3px; }
.article-author-mini strong { font-size: 14px; font-weight: 650; }
.article-author-mini span, .article-meta { color: #86868b; font-size: 12px; }
.article-author-mini strong { transition: color .2s ease; }
.article-author-mini:hover strong { color: var(--article-blue); }
.article-meta { display: flex; margin: 0; gap: 22px; }
.article-views { display: inline-flex; align-items: center; gap: 6px; }
.article-views svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.6; }

.article-cover-wrap { max-width: 1180px; }
.article-cover { margin: 0; }
.article-cover img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; border-radius: 38px; object-fit: contain; object-position: 50% center; }
.article-cover--compact img { height: auto; aspect-ratio: 16 / 10; }
.article-cover figcaption { max-width: 920px; margin: 16px 0 0; color: #6e6e73; font-size: 16px; line-height: 1.5; }

.article-layout { display: grid; max-width: 1180px; padding-top: clamp(48px, 5vw, 72px); padding-bottom: clamp(110px, 11vw, 150px); grid-template-columns: minmax(0, 740px) 250px; align-items: start; justify-content: space-between; }
.article-body { width: 100%; max-width: 740px; min-width: 0; }
.article-body > section { padding: 0 0 clamp(62px, 7vw, 86px); scroll-margin-top: 110px; }
.article-body > section:last-child { padding-bottom: 0; }
.article-body h2, .article-related h2, .article-follow h2 { margin: 0; color: var(--article-ink); font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Arial, sans-serif; font-weight: 600; font-synthesis: none; text-wrap: balance; }
.article-body h2 { font-size: clamp(34px, 3.2vw, 44px); letter-spacing: -.042em; line-height: 1.08; }
.article-related h2, .article-follow h2 { font-size: clamp(38px, 4vw, 54px); letter-spacing: -.046em; line-height: 1.02; }
.article-body section > h3 { margin: 38px 0 0; color: var(--article-ink); font-size: clamp(22px, 2vw, 26px); font-weight: 650; letter-spacing: -.028em; line-height: 1.2; }
.article-body section > p:not(.article-kicker):not(.article-note), .article-body blockquote p { margin: 20px 0 0; color: #2f3033; font-size: 18px; line-height: 1.7; }
.article-body .article-inline-link { color: #0678e7; font-weight: 600; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: .18em; }
.article-body .article-inline-link:hover { color: #005fbe; }
.article-video-card { display: grid; overflow: hidden; margin: 32px 0 46px; border: 1px solid rgba(16,17,20,.1); border-radius: 26px; background: #f7f8fa; grid-template-columns: minmax(0, 44%) minmax(0, 1fr); }
.article-video-card-media { position: relative; display: block; min-height: 235px; background: #111; }
.article-video-card-media img { display: block; width: 100%; height: 100%; object-fit: cover; }
.article-video-card-play { position: absolute; inset: 50% auto auto 50%; display: grid; width: 54px; height: 54px; border-radius: 50%; color: #fff; background: rgba(0,113,227,.94); transform: translate(-50%,-50%); place-items: center; font-size: 21px; box-shadow: 0 10px 30px rgba(0,0,0,.24); }
.article-video-card-copy { display: flex; padding: 30px; flex-direction: column; justify-content: center; }
.article-video-card-label { margin: 0 0 10px; color: #5f6065; font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.article-video-card h3 { margin: 0; color: #111217; font-size: 24px; font-weight: 650; letter-spacing: -.03em; line-height: 1.15; }
.article-video-card-copy > p:not(.article-video-card-label) { margin: 14px 0 0; color: #5f6065; font-size: 14px; line-height: 1.55; }
.article-video-card-action { display: inline-flex; margin-top: 20px; color: #0678e7; align-items: center; gap: 7px; font-size: 14px; font-weight: 650; text-decoration: none; }
.article-video-card-action:hover { color: #005fbe; }

.article-summary {
  position: relative;
  padding: clamp(26px, 3.4vw, 36px) !important;
  border: 1px solid rgba(0, 113, 227, .08);
  border-radius: 30px;
  background:
    radial-gradient(circle at 100% 0%, rgba(118, 112, 255, .1), transparent 38%),
    linear-gradient(145deg, #edf6ff 0%, #f5f4ff 100%);
  overflow: hidden;
}
.article-summary::after {
  position: absolute;
  top: -74px;
  right: -48px;
  width: 190px;
  height: 190px;
  border: 1px solid rgba(0, 113, 227, .1);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}
.article-summary h2 {
  position: relative;
  z-index: 1;
  max-width: 520px;
  font-size: clamp(31px, 3vw, 40px);
  line-height: 1.04;
}
.article-summary ol {
  position: relative;
  z-index: 1;
  display: grid;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  gap: 8px;
}
.article-summary li {
  display: grid;
  min-height: 0;
  padding: 14px 18px;
  border: 1px solid rgba(16, 17, 20, .055);
  border-radius: 16px;
  background: #fff;
  grid-template-columns: 58px 1fr;
  align-items: center;
  gap: 14px;
}
.article-summary li > span {
  display: block;
  color: rgba(0, 91, 190, .78);
  font-size: 29px;
  font-weight: 580;
  letter-spacing: -.045em;
  line-height: 1;
}
.article-summary li p {
  margin: 0;
  color: #202124;
  font-size: 17px;
  font-weight: 400;
  letter-spacing: normal;
  line-height: 1.65;
}

.article-summary.article-summary--compact {
  padding: 34px 30px 30px !important;
  border-radius: 26px;
  background: linear-gradient(145deg, #f2f7fc 0%, #f6f5fb 100%);
}
.article-summary.article-summary--compact::after { display: none; }
.article-summary.article-summary--compact h2 {
  font-size: 30px;
}
.article-summary.article-summary--compact ol {
  margin-top: 20px;
  gap: 0;
}
.article-summary.article-summary--compact li {
  padding: 16px 0;
  border: 0;
  border-top: 1px solid rgba(16, 17, 20, .1);
  border-radius: 0;
  background: transparent;
  grid-template-columns: 48px 1fr;
  gap: 14px;
}
.article-summary.article-summary--compact li > span {
  font-size: 23px;
}
.article-summary.article-summary--compact li p {
  font-size: 15px;
  line-height: 1.48;
}

/* Long-form body follows the restrained rhythm of a newsroom article.
   The summary, conclusion and surrounding page components intentionally keep
   the wider BIOS layout. */
.article-body > section:not(.article-summary):not(#practice) {
  padding-bottom: 0;
}

.article-body > section:not(.article-summary):not(#practice) + section:not(#practice) {
  margin-top: 0;
}

.article-body > section:not(.article-summary):not(#practice) > .article-kicker {
  display: none;
}

.article-body > .article-summary + section {
  margin-top: 56px;
}

.article-body > section:not(.article-summary):not(#practice) h2 {
  margin: 22px 0 8px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -.025em;
  line-height: 1.35;
  text-wrap: pretty;
}

.article-body > section:not(.article-summary):not(#practice) h3 {
  margin: 22px 0 8px;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -.018em;
  line-height: 1.4;
}

.article-body > section:not(.article-summary):not(#practice) > p:not(.article-kicker) {
  margin: 0 0 24px;
  color: #202124;
  font-size: 17px;
  line-height: 1.65;
}

.article-body blockquote { margin: 0 0 24px; padding: 0 26px; border: 0; }
.article-body blockquote.article-pullquote--flush { padding-inline: 0; }
.article-body blockquote p { margin: 0; color: var(--article-ink); font-size: 17px; font-weight: 700; letter-spacing: 0; line-height: 1.65; }

.article-prose-list { margin: 0 0 24px; padding: 0 0 0 23px; color: #202124; }
.article-prose-list li { padding: 3px 0 3px 4px; font-size: 17px; line-height: 1.65; }
.article-prose-list li::marker { color: var(--article-blue); font-weight: 700; }
.article-prose-list strong { color: var(--article-ink); font-weight: 650; }

.article-inline-image {
  width: 100%;
  margin: 24px 0;
}

.article-inline-image img {
  display: block;
  width: 100%;
  aspect-ratio: 1.5 / 1;
  border-radius: 18px;
  object-fit: cover;
  object-position: 68% center;
}

.article-inline-image--interview img {
  aspect-ratio: 16 / 9;
  height: auto;
  object-position: center;
}

.article-page--interview .article-body blockquote {
  padding-inline: 0;
}

.article-inline-image figcaption {
  margin-top: 12px;
  color: rgba(16, 17, 20, .56);
  font-size: 13px;
  line-height: 1.5;
}

.article-fact-grid { display: grid; margin-top: 40px; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.article-fact-grid > div { min-height: 220px; padding: 26px; border-radius: 24px; background: var(--article-soft); }
.article-fact-grid span, .article-compare span { color: var(--article-blue); font-size: 12px; font-weight: 700; }
.article-fact-grid h3 { margin: 70px 0 0; font-size: 22px; font-weight: 600; letter-spacing: -.035em; line-height: 1.08; }
.article-fact-grid p { margin: 11px 0 0; color: var(--article-muted); font-size: 15px; line-height: 1.5; }

.article-flow { display: grid; margin: 40px 0 30px; padding: 30px; border-radius: 28px; color: #fff; background: #101114; grid-template-columns: repeat(7, auto); align-items: center; gap: 13px; }
.article-flow > div { display: grid; min-width: 0; gap: 6px; }
.article-flow span { color: #2997ff; font-size: 11px; font-weight: 700; }
.article-flow strong { font-size: 17px; font-weight: 600; }
.article-flow p { margin: 0; color: #909096; font-size: 11px; line-height: 1.35; }
.article-flow i { color: #4d4d52; font-style: normal; }

.article-compare { display: grid; margin-top: 40px; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.article-compare > div { min-height: 280px; padding: 30px; border: 1px solid var(--article-line); border-radius: 26px; }
.article-compare h3 { margin: 98px 0 0; font-size: 24px; font-weight: 600; letter-spacing: -.035em; line-height: 1.08; }
.article-compare p { margin: 14px 0 0; color: var(--article-muted); font-size: 15px; line-height: 1.55; }
.article-body > section:not(.article-summary):not(#practice) > .article-note { margin: 0 0 24px; padding: 0; border: 0; color: #6e6e73; font-size: 14px; line-height: 1.55; }

.article-checklist { margin: 0 0 24px; padding: 0 0 0 23px; }
.article-checklist li { padding: 3px 0 3px 4px; color: #202124; font-size: 17px; line-height: 1.65; }
.article-checklist li::marker { color: var(--article-blue); }

.article-body > section.article-conclusion-section { padding-top: 24px; }
.article-conclusion { padding: clamp(38px, 5vw, 58px); border-radius: 32px; color: #fff; background: radial-gradient(circle at 100% 0%, rgba(0,113,227,.29), transparent 42%), #101114; }
.article-conclusion .article-kicker { color: #a1a1a6; }
.article-conclusion h2 { color: #f5f5f7; }
.article-conclusion > p:not(.article-kicker) { color: #a1a1a6 !important; }
.article-conclusion > a { display: inline-flex; min-height: 48px; margin-top: 30px; padding: 0 21px; border-radius: 999px; color: #fff; background: var(--article-blue); align-items: center; gap: 9px; font-size: 15px; font-weight: 600; }

.article-aside { position: sticky; top: 104px; display: grid; gap: 12px; }
.article-aside-card { padding: 24px; border: 1px solid var(--article-line); border-radius: 22px; background: #fff; }
.article-aside-label { margin: 0 0 20px; color: var(--article-ink); font-size: 13px; font-weight: 700; }
.article-author-profile { display: flex; color: inherit; align-items: center; gap: 13px; }
.article-author-card img { width: 58px; height: 58px; border: 1px solid rgba(16, 17, 20, .08); border-radius: 50%; object-fit: cover; background: #e9e9ec; flex: 0 0 58px; }
.article-author-profile p { display: grid; margin: 0; gap: 4px; }
.article-author-card strong { font-size: 13px; }
.article-author-card span { color: #86868b; font-size: 11px; line-height: 1.35; }
.article-author-profile + p { margin: 18px 0 0; color: var(--article-muted); font-size: 12px; line-height: 1.55; }
.article-author-profile strong { transition: color .2s ease; }
.article-author-profile:hover strong { color: var(--article-blue); }
.article-author-more { display: inline-flex; margin-top: 17px; color: var(--article-blue); align-items: center; gap: 7px; font-size: 12px; font-weight: 650; }
.article-toc { display: grid; }
.article-toc a { padding: 9px 0; color: #6e6e73; font-size: 12px; line-height: 1.35; }
.article-toc a:hover, .article-toc a.is-active { color: var(--article-blue); }
.article-share-card { background: #fff; }
.article-share-card .article-aside-label { margin-bottom: 17px; }
.article-share-networks { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.article-share-networks a { display: grid; width: 100%; height: 46px; border: 0; background: transparent; place-items: center; transition: opacity .2s ease, transform .2s ease; }
.article-share-networks a:hover { opacity: .78; transform: translateY(-1px) scale(1.04); }
.article-share-networks svg { width: 28px; height: 28px; }
.article-share-networks a[data-share-network="telegram"] { color: #2aabee; }
.article-share-networks a[data-share-network="telegram"] svg,
.article-share-networks a[data-share-network="whatsapp"] svg { fill: currentColor; }
.article-share-networks a[data-share-network="whatsapp"] { color: #25d366; }
.article-share-networks img { width: 30px; height: 30px; object-fit: contain; }
.article-share-copy { display: inline-flex; width: 100%; min-height: 40px; margin: 10px 0 0; padding: 0 12px; border: 0; border-radius: 12px; color: #5f6065; background: #f5f5f7; cursor: pointer; align-items: center; justify-content: center; gap: 7px; font: inherit; font-size: 12px; font-weight: 550; transition: color .2s ease, background .2s ease; }
.article-share-copy:hover { color: var(--article-blue); background: #edf5ff; }
.article-share-copy svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.article-share-status { display: block; min-height: 15px; margin-top: 5px; color: #86868b; font-size: 10px; text-align: center; }

.article-related { padding: clamp(96px, 10vw, 136px) 0; background: var(--article-soft); }
.article-related header { display: flex; align-items: end; justify-content: space-between; gap: 30px; }
.article-related header > a { margin-bottom: 8px; color: var(--article-blue); font-size: 14px; font-weight: 600; }
.article-related-grid { display: grid; margin-top: 52px; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.article-related-grid > a { position: relative; display: flex; min-height: 280px; padding: 28px; border-radius: 25px; color: var(--article-ink); background: #fff; flex-direction: column; }
.article-related-grid span { color: var(--article-blue); font-size: 12px; font-weight: 650; }
.article-related-grid h3 { margin: auto 0 0; font-size: 25px; font-weight: 600; letter-spacing: -.037em; line-height: 1.08; }
.article-related-grid i { position: absolute; top: 27px; right: 27px; color: var(--article-blue); font-size: 20px; font-style: normal; }

.article-related--media-cards { background: var(--article-soft); }
.article-page--canonical .article-layout { padding-bottom: 64px; }
.article-page--canonical .article-related--media-cards { padding-top: 72px; padding-bottom: 56px; }
.article-page--canonical .article-newsletter { padding-top: 48px; }
.article-related--media-cards .article-related-grid { margin-top: 30px; gap: 14px; }
.article-related--media-cards .article-related-card {
  display: grid;
  min-width: 0;
  min-height: 390px;
  border: 1px solid rgba(16,17,20,.07);
  border-radius: 18px;
  background: #fff;
  grid-template-rows: 225px minmax(0, 1fr);
  overflow: hidden;
}
.article-related--media-cards .article-related-card-image { min-height: 0; overflow: hidden; }
.article-related--media-cards .article-related-card:has(.article-related-card-image img) { grid-template-rows: auto minmax(0, 1fr); }
.article-related--media-cards .article-related-card-image:has(img) { display: block; width: 100%; aspect-ratio: 16 / 10; background: #eef2f7; }
.article-related--media-cards .article-related-card-image img { display: block; width: 100%; height: 100%; object-fit: contain; }
.article-related--media-cards .article-related-card:hover .article-related-card-image img { transform: none; }
.article-related--media-cards .article-related-card-cover {
  display: flex;
  padding: 22px;
  color: #fff;
  align-items: flex-end;
  text-decoration: none;
}
.article-related-card-cover span { color: #fff; font-size: clamp(25px, 2.3vw, 34px); font-weight: 650; letter-spacing: -.05em; line-height: .9; }
.article-related-card-cover--rbc { background: radial-gradient(circle at 88% 14%, rgba(37,139,255,.68), transparent 31%), linear-gradient(145deg, #071830, #173865); }
.article-related-card-cover--kommersant { background: radial-gradient(circle at 88% 14%, rgba(200,171,122,.42), transparent 31%), linear-gradient(145deg, #28241e, #5a5144); }
.article-related-card-cover--palgrave { background: radial-gradient(circle at 88% 14%, rgba(116,166,226,.55), transparent 31%), linear-gradient(145deg, #15243a, #49688c); }
.article-related--media-cards .article-related-card-copy { display: flex; min-width: 0; padding: 20px; flex-direction: column; }
.article-related--media-cards .article-related-card-meta { display: flex; justify-content: space-between; gap: 16px; margin: 0; color: #86868b; font-size: 10px; }
.article-related--media-cards .article-related-card-meta span,
.article-related--media-cards .article-related-card-link span { font-size: inherit; line-height: inherit; }
.article-related--media-cards .article-related-card-meta span:first-child { color: var(--article-blue); }
.article-related--media-cards .article-related-card h3 { margin: 22px 0 0; color: var(--article-ink); font-size: clamp(19px, 1.7vw, 24px); font-weight: 600; letter-spacing: -.038em; line-height: 1.1; }
.article-related--media-cards .article-related-card h3 a { color: inherit; }
.article-related--media-cards .article-related-card-copy > p:not(.article-related-card-meta) { margin: 13px 0 0; color: var(--article-muted); font-size: 12px; line-height: 1.5; }
.article-related--media-cards .article-related-card-link { display: inline-flex; margin-top: auto; padding-top: 18px; color: var(--article-blue); align-items: center; gap: 7px; font-size: 11px; font-weight: 650; }

.article-follow { padding: 0 10px 10px; background: #fff; }
.article-follow-inner { padding: clamp(84px, 9vw, 126px) clamp(24px, 6vw, 84px); border-radius: 38px; color: #f5f5f7; background: radial-gradient(circle at 80% 10%, rgba(0,113,227,.23), transparent 35%), #101114; text-align: center; }
.article-follow .article-kicker { color: #b7b7bd; }
.article-follow h2 { max-width: 900px; margin-inline: auto; color: #f5f5f7; font-size: clamp(40px, 4.2vw, 60px); }
.article-follow-inner > p:not(.article-kicker) { max-width: 650px; margin: 28px auto 0; color: #a1a1a6; font-size: 19px; line-height: 1.5; }
.article-follow-inner > a { display: inline-flex; min-height: 50px; margin-top: 34px; padding: 0 23px; border-radius: 999px; color: #fff; background: var(--article-blue); align-items: center; justify-content: center; gap: 10px; font-size: 16px; font-weight: 560; transition: background .2s ease; }
.article-follow-inner > a:hover { color: #fff; background: #0066cc; }

.article-newsletter { padding: clamp(72px, 8vw, 108px) 0; background: #fff; }
.article-newsletter-card {
  position: relative;
  display: grid;
  min-height: 164px;
  padding: 30px clamp(28px, 4vw, 54px);
  border: 1px solid rgba(78, 98, 255, .10);
  border-radius: 26px;
  grid-template-columns: minmax(0, .9fr) minmax(390px, 1.1fr);
  align-items: center;
  gap: clamp(36px, 6vw, 88px);
  background:
    radial-gradient(circle at 4% 145%, rgba(0, 113, 227, .17), transparent 38%),
    radial-gradient(circle at 82% -100%, rgba(101, 70, 255, .28), transparent 42%),
    linear-gradient(108deg, #eef7ff 0%, #f7f5ff 58%, #f2efff 100%);
  overflow: hidden;
}
.article-newsletter-card::after {
  position: absolute;
  top: 50%;
  right: 32%;
  width: 190px;
  height: 190px;
  border: 1px solid rgba(95, 69, 230, .10);
  border-radius: 50%;
  content: "";
  pointer-events: none;
  transform: translateY(-50%);
}
.article-newsletter-copy { position: relative; z-index: 1; }
.article-newsletter-copy h2 { margin: 0; color: var(--article-ink); font-size: clamp(26px, 2.2vw, 34px); font-weight: 600; letter-spacing: -.04em; line-height: 1; }
.article-newsletter-copy > span { display: block; max-width: 480px; margin-top: 10px; color: #66666c; font-size: 13px; line-height: 1.45; }
.article-newsletter-form { position: relative; z-index: 1; min-width: 0; }
.article-newsletter-row { display: grid; padding: 5px; border: 1px solid rgba(16, 17, 20, .08); border-radius: 999px; background: rgba(255,255,255,.82); box-shadow: 0 12px 35px rgba(42, 55, 112, .08); grid-template-columns: minmax(0, 1fr) auto; align-items: center; }
.article-newsletter-row label { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; clip: rect(0, 0, 0, 0); overflow: hidden; white-space: nowrap; border: 0; }
.article-newsletter-row input { width: 100%; min-width: 0; height: 44px; padding: 0 17px; border: 0; outline: 0; color: var(--article-ink); background: transparent; font: inherit; font-size: 14px; }
.article-newsletter-row input::placeholder { color: #929298; }
.article-newsletter-row button { min-height: 44px; padding: 0 20px; border: 0; border-radius: 999px; color: #fff; background: var(--article-blue); cursor: pointer; font-size: 13px; font-weight: 650; transition: background .2s ease, transform .2s ease; }
.article-newsletter-row button:hover { background: #0077ed; transform: translateY(-1px); }
.article-newsletter-row button:disabled { cursor: wait; opacity: .65; transform: none; }
.article-newsletter-form:focus-within .article-newsletter-row { border-color: rgba(0, 113, 227, .38); box-shadow: 0 0 0 4px rgba(0, 113, 227, .07), 0 12px 35px rgba(42, 55, 112, .08); }
.article-newsletter-consent { display: flex; margin: 9px 8px 0; color: #77777d; align-items: flex-start; gap: 7px; font-size: 10px; line-height: 1.35; }
.article-newsletter-consent input { width: 13px; height: 13px; margin: 0; accent-color: var(--article-blue); flex: 0 0 auto; }
.article-newsletter-consent a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }
.article-newsletter-status { display: block; min-height: 0; margin: 5px 8px 0; color: #595960; font-size: 10px; line-height: 1.35; }
.article-newsletter-status:empty { display: none; }
.article-newsletter-status.error { color: #9e3340; }

@media (min-width: 1100px) {
  .article-layout { grid-template-columns: minmax(0, 740px) 280px; }
}

@media (max-width: 980px) {
  .article-layout { max-width: 740px; grid-template-columns: 1fr; }
  .article-layout--aside-spaced { row-gap: 32px; }
  .article-aside { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .article-toc { display: none; }
}

@media (max-width: 820px) {
  .media-banner-inner { grid-template-columns: minmax(0, 1fr) auto; gap: 22px; }
  .media-banner-message strong { font-size: clamp(20px, 3.5vw, 26px); }
  .article-newsletter-card { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 1080px) {
  body.article-page .shell { width: min(1180px, calc(100% - 40px)); }
}

@media (max-width: 760px) {
  .article-cover img { height: auto; border-radius: 30px; }
  .article-cover--compact img { height: auto; }
  .article-flow { grid-template-columns: 1fr; }
  .article-flow i { transform: rotate(90deg); }
  .article-related-grid { grid-template-columns: 1fr; }
  .article-related-grid > a { min-height: 230px; }
  .article-related--media-cards .article-related-grid {
    display: grid;
    width: calc(100% + 18px);
    margin-right: -18px;
    padding-right: 18px;
    grid-auto-columns: 86%;
    grid-auto-flow: column;
    grid-template-columns: none;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }
  .article-related--media-cards .article-related-grid::-webkit-scrollbar { display: none; }
  .article-related--media-cards .article-related-card { border-radius: 26px; scroll-snap-align: start; }
}

@media (max-width: 580px) {
  body.article-page .shell { width: min(100% - 36px, 1180px); }
  .media-banner { height: 112px; }
  .media-banner-inner { width: min(100% - 32px, 1180px) !important; padding-bottom: 15px; gap: 14px; }
  .media-banner-message strong { font-size: 19px; white-space: normal; }
  .media-banner-message small { display: none; }
  .media-banner-action { min-height: 32px; padding: 0 11px; font-size: 0; }
  .media-banner-action i { font-size: 15px; }
  .article-hero { padding: 24px 0 54px; }
  .article-breadcrumbs { margin-bottom: 32px; }
  .article-hero h1 { font-size: clamp(36px, 9.8vw, 44px); line-height: .96; }
  .article-deck { margin-top: 22px; font-size: 17px; line-height: 1.5; }
  .article-byline { align-items: flex-start; flex-direction: column; }
  .article-meta { width: 100%; flex-wrap: wrap; justify-content: space-between; gap: 10px 16px; }
  .article-cover img { height: auto; border-radius: 26px; }
  .article-cover--compact img { height: auto; }
  .article-layout { padding-top: 44px; padding-bottom: 90px; }
  .article-body > section { padding-bottom: 66px; }
  .article-body h2 { font-size: clamp(32px, 8.8vw, 38px); line-height: 1.08; }
  .article-related h2, .article-follow h2 { font-size: clamp(34px, 9.6vw, 40px); line-height: 1.04; }
  .article-body > section:not(.article-summary):not(#practice) h2 { margin-top: 22px; font-size: 22px; line-height: 1.35; }
  .article-body > section:not(.article-summary):not(#practice) h3 { margin-top: 22px; font-size: 19px; line-height: 1.4; }
  .article-body > section:not(.article-summary):not(#practice) > p:not(.article-kicker) { font-size: 17px; line-height: 1.65; }
  .article-summary { padding: 22px 18px !important; border-radius: 25px; }
  .article-summary::after { top: -92px; right: -76px; }
  .article-summary h2 { font-size: 30px; }
  .article-summary ol { margin-top: 20px; }
  .article-summary li { padding: 13px 14px; grid-template-columns: 50px 1fr; gap: 10px; }
  .article-summary li > span { font-size: 26px; }
  .article-summary li p { margin: 0; font-size: 17px; }
  .article-summary.article-summary--compact { padding: 26px 18px 22px !important; border-radius: 22px; }
  .article-summary.article-summary--compact h2 { font-size: 26px; }
  .article-summary.article-summary--compact ol { margin-top: 16px; gap: 0; }
  .article-summary.article-summary--compact li { padding: 14px 0; grid-template-columns: 38px 1fr; gap: 8px; }
  .article-summary.article-summary--compact li > span { font-size: 21px; }
  .article-summary.article-summary--compact li p { font-size: 14px; line-height: 1.48; }
  .article-inline-image img { border-radius: 14px; }
  .article-aside { grid-template-columns: 1fr; }
  .article-conclusion { padding: 34px 24px; border-radius: 27px; }
  .article-conclusion > a { width: 100%; justify-content: center; }
  .article-related { padding: 82px 0; }
  .article-page--canonical .article-layout { padding-bottom: 44px; }
  .article-page--canonical .article-related--media-cards { padding-top: 52px; padding-bottom: 40px; }
  .article-page--canonical .article-newsletter { padding-top: 36px; }
  .article-related header { align-items: flex-start; flex-direction: column; }
  .article-related-grid { margin-top: 38px; }
  .article-related--media-cards .article-related-card { grid-template-rows: 190px minmax(0, 1fr); }
  .article-related--media-cards .article-related-card-copy { min-height: 240px; padding: 16px 20px 20px; }
  .article-related--media-cards .article-related-card h3 { margin-top: 20px; font-size: 22px; line-height: 1.15; }
  .article-follow-inner { padding: 76px 22px; border-radius: 28px; text-align: left; }
  .article-follow-inner > p:not(.article-kicker) { margin-inline: 0; }
  .article-follow-inner > a { width: 100%; justify-content: center; }
  .article-newsletter { padding: 64px 0; }
  .article-newsletter-card { min-height: 0; padding: 27px 22px; border-radius: 24px; }
  .article-newsletter-card::after { right: -70px; }
  .article-newsletter-copy > span { font-size: 12px; }
  .article-newsletter-row { padding: 4px; }
  .article-newsletter-row input { padding: 0 13px; font-size: 13px; }
  .article-newsletter-row button { padding: 0 15px; }
}

@media (max-width: 699px) {
  .article-video-card { grid-template-columns: 1fr; border-radius: 22px; }
  .article-video-card-media { min-height: 0; aspect-ratio: 16 / 9; }
  .article-video-card-copy { padding: 24px 22px 26px; }
  .article-video-card h3 { font-size: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .media-banner-slide { transition: none; }
}

/* Evidence inserts: distinguish research data, conceptual diagrams and proposed tests. */
.article-evidence { margin: 36px 0; padding: 30px; border: 1px solid #dce6f3; border-radius: 24px; background: #f4f8fd; }
.article-evidence--proposal { background: #f6f4fb; border-color: #e7e0f2; }
.article-evidence--dark { color: #fff; background: #102239; border-color: #102239; }
.article-evidence .evidence-label { display: block; margin: 0 0 15px; color: #0766bf; font-size: 11px; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.article-evidence--proposal .evidence-label { color: #6947a5; }
.article-evidence--dark .evidence-label { color: #8fc8ff; }
.article-evidence h3 { margin: 0 0 18px; color: inherit; font-size: 25px; line-height: 1.18; letter-spacing: -.025em; }
.article-evidence p, .article-evidence li { color: inherit; font-size: 16px; line-height: 1.6; }
.article-evidence p { margin: 16px 0 0; }
.article-evidence .evidence-source { margin-top: 22px; color: #56677b; font-size: 12px; line-height: 1.55; }
.article-evidence--dark .evidence-source { color: #b8c9dc; }
.evidence-metrics { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.evidence-metrics > div { padding: 21px; border-radius: 16px; background: #fff; min-width: 0; }
.evidence-metrics strong { display: block; font-size: clamp(28px,3vw,38px); font-weight: 650; color: #006dd5; letter-spacing: -.04em; }
.evidence-metrics span { display: block; margin-top: 8px; font-size: 13px; color: #4e5c6b; line-height: 1.5; }
.evidence-bar { margin: 20px 0; }
.evidence-bar > div:first-child { display: flex; gap: 15px; justify-content: space-between; margin-bottom: 8px; font-size: 15px; }
.evidence-bar-track { height: 16px; background: #e1e7ef; border-radius: 5px; overflow: hidden; }
.evidence-bar-track > span { display: block; height: 100%; background: #0878dd; }
.evidence-bar--muted .evidence-bar-track > span { background: #7d88a5; }
.evidence-flow { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.evidence-flow > div { padding: 22px; border: 1px solid #ccd7e7; border-radius: 15px; background: #fff; color: #14243a; }
.evidence-flow > div[data-hypothesis] { border: 2px dashed #aa97ce; background: #f8f5fe; }
.evidence-flow small { display: block; color: #58708e; font-size: 11px; margin-bottom: 9px; font-weight: 650; }
.evidence-flow strong { font-size: 18px; }
.evidence-flow p { font-size: 13px; margin: 10px 0 0; }
.evidence-equation { padding: 21px; margin: 22px 0; background: #fff; border: 1px solid #dfd7ec; border-radius: 15px; color: #513880; font-size: clamp(16px,2vw,22px); line-height: 1.8; overflow-wrap: anywhere; }
.evidence-table-wrap { overflow-x: auto; margin: 20px 0; }
.evidence-table { width: 100%; border-collapse: collapse; text-align: left; font-size: 13px; line-height: 1.5; }
.evidence-table caption { text-align: left; margin: 0 0 12px; font-weight: 650; }
.evidence-table th, .evidence-table td { padding: 14px 10px; vertical-align: top; border-bottom: 1px solid #d7deea; }
.evidence-table th { background: #e8eef8; color: #244463; }
.article-report-photo img { width: 100%; height: auto; display: block; border-radius: 22px; }
.article-report-photo { margin: 38px 0; }
.article-report-photo figcaption { margin-top: 12px; color: #6e6e73; font-size: 13px; line-height: 1.5; }
.article-report .article-cover--compact img { object-fit: contain; background: #f5f5f7; }
/* Keep the report sidebar pinned without hiding the end of its long contents. */
@media (min-width: 981px) {
  .article-report .article-aside {
    max-height: calc(100vh - 128px);
    max-height: calc(100dvh - 128px);
    overflow-y: auto;
    scrollbar-width: thin;
  }
}
.article-source-list { padding-left: 23px; }
.article-source-list li { margin: 15px 0; font-size: 14px; line-height: 1.6; overflow-wrap: anywhere; }
.article-report .report-original-short { margin-top: 12px !important; }
@media (max-width:580px) {
  .article-evidence { padding: 22px 18px; border-radius: 21px; }
  .article-evidence h3 { font-size: 23px; }
  .evidence-flow { grid-template-columns: 1fr; }
  .evidence-metrics > div { padding: 16px; }
  .evidence-metrics strong { font-size: 27px; }
  .evidence-table { min-width: 530px; }
}

@media (max-width: 580px) {
  .article-report #economics .evidence-table { min-width: 0; }
}

/* Compact mobile takeaways; desktop typography is intentionally unchanged. */
@media (max-width: 580px) {
  .article-body .article-summary {
    padding: 18px 12px !important;
    border-radius: 22px;
  }
  .article-body .article-summary h2 {
    margin: 0;
    font-size: 22px;
    line-height: 1.2;
  }
  .article-body .article-summary ol {
    margin-top: 14px;
    gap: 8px;
  }
  .article-body .article-summary li {
    padding: 12px;
    grid-template-columns: 26px minmax(0, 1fr);
    align-items: start;
    gap: 8px;
    border: 1px solid rgba(16, 17, 20, .055);
    border-radius: 14px;
    background: #fff;
  }
  .article-body .article-summary li > span {
    padding-top: 2px;
    font-size: 19px;
    line-height: 1.25;
  }
  .article-body .article-summary li p {
    margin: 0;
    font-size: 16px;
    line-height: 1.45;
    overflow-wrap: break-word;
  }
}