/* Science / Knowledge hub — editorial library */
.page-science {
  --sci-measure: 44rem;
  background:
    linear-gradient(180deg, #f7fafc 0%, #eef3f8 42%, #f4f7fb 100%);
  color: var(--ink-text, #13233a);
}

.sci-main { min-height: 60vh; }

.sci-kicker {
  margin: 0 0 .6rem;
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--slate, #5b6b7c);
  font-weight: 600;
}

.sci-crumb {
  margin: 0 0 1rem;
  font-size: .84rem;
  color: var(--slate, #5b6b7c);
}
.sci-crumb a { color: inherit; text-decoration: none; }
.sci-crumb a:hover { color: var(--ink-navy, #0b1f3a); }

.sci-deck {
  margin: .85rem 0 0;
  max-width: 38rem;
  font-size: 1.08rem;
  line-height: 1.55;
  color: var(--slate, #5b6b7c);
}

.sci-hub-hero {
  padding: 3.2rem 0 2.4rem;
  background:
    radial-gradient(ellipse 55% 70% at 100% 0%, rgba(47,111,237,.08), transparent 60%),
    linear-gradient(165deg, #fbfcfe 0%, #eef3f8 55%, #e8eef5 100%);
  border-bottom: 1px solid rgba(11, 31, 58, .06);
}
.sci-hub-hero--compact { padding: 2.2rem 0 1.6rem; }
.sci-hub-hero h1 {
  margin: 0;
  font-family: var(--serif, "Newsreader", Georgia, serif);
  font-weight: 560;
  font-size: clamp(2.2rem, 4.5vw, 3.35rem);
  letter-spacing: -.02em;
  color: var(--ink-navy, #0b1f3a);
  max-width: 14ch;
  line-height: 1.08;
}
.sci-hub-hero__grid {
  display: grid;
  gap: 2rem;
}
@media (min-width: 960px) {
  .sci-hub-hero__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(220px, .75fr);
    align-items: end;
  }
}

.sci-hub-panel {
  padding: 1.25rem 1.35rem;
  border-left: 2px solid rgba(11, 31, 58, .18);
  background: rgba(255,255,255,.55);
}
.sci-hub-panel p {
  margin: 0 0 .85rem;
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--slate, #5b6b7c);
  font-weight: 600;
}

.sci-pills { display: flex; flex-wrap: wrap; gap: .45rem; }
.sci-pill {
  display: inline-block;
  padding: .35rem .7rem;
  border: 1px solid rgba(11, 31, 58, .14);
  color: var(--ink-navy, #0b1f3a);
  text-decoration: none;
  font-size: .86rem;
  background: #fff;
}
.sci-pill:hover { border-color: var(--clinical, #2f6fed); }

.sci-search {
  margin-top: 1.4rem;
  display: flex;
  gap: .55rem;
  max-width: 32rem;
}
.sci-search input {
  flex: 1;
  min-width: 0;
  border: 1px solid rgba(11, 31, 58, .16);
  background: #fff;
  padding: .7rem .9rem;
  font: inherit;
  border-radius: 2px;
}
.sci-suggest {
  margin-top: .45rem;
  max-width: 32rem;
  background: #fff;
  border: 1px solid rgba(11, 31, 58, .12);
}
.sci-suggest a {
  display: block;
  padding: .65rem .85rem;
  text-decoration: none;
  color: var(--ink-text);
  border-bottom: 1px solid rgba(11, 31, 58, .06);
  font-size: .95rem;
}
.sci-suggest a:last-child { border-bottom: 0; }
.sci-suggest a:hover { background: var(--mist, #eef3f8); }

.sci-section { padding: 2.4rem 0 2.8rem; }
.sci-section__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.sci-section__head h2 {
  margin: 0;
  font-family: var(--serif, "Newsreader", Georgia, serif);
  font-size: 1.55rem;
  color: var(--ink-navy, #0b1f3a);
}
.sci-section--note {
  padding-top: 0;
  color: var(--slate, #5b6b7c);
  font-size: .95rem;
}

.sci-feature-list,
.sci-index {
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(11, 31, 58, .12);
}
.sci-index__item {
  padding: 1.35rem 0 1.4rem;
  border-bottom: 1px solid rgba(11, 31, 58, .1);
}
.sci-index__item--feature h3 {
  font-size: clamp(1.35rem, 2.4vw, 1.75rem);
}
.sci-index__meta {
  margin: 0 0 .35rem;
  font-size: .78rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--slate, #5b6b7c);
  font-weight: 600;
}
.sci-index__item h3 {
  margin: 0;
  font-family: var(--serif, "Newsreader", Georgia, serif);
  font-weight: 560;
  line-height: 1.25;
  font-size: 1.28rem;
}
.sci-index__item h3 a {
  color: var(--ink-navy, #0b1f3a);
  text-decoration: none;
}
.sci-index__item h3 a:hover { color: var(--clinical, #2f6fed); }
.sci-index__sum {
  margin: .55rem 0 0;
  max-width: 40rem;
  color: var(--slate, #5b6b7c);
  line-height: 1.55;
}
.sci-index__go {
  display: inline-block;
  margin-top: .7rem;
  font-size: .92rem;
  font-weight: 600;
  color: var(--ink-navy, #0b1f3a);
  text-decoration: none;
}
.sci-index__go:hover { color: var(--clinical, #2f6fed); }

/* Article */
.sci-article-hero {
  padding: 2.2rem 0 1.6rem;
  background: linear-gradient(180deg, #fbfcfe 0%, #eef3f8 100%);
  border-bottom: 1px solid rgba(11, 31, 58, .07);
}
.sci-article-hero h1 {
  margin: 0;
  font-family: var(--serif, "Newsreader", Georgia, serif);
  font-weight: 560;
  font-size: clamp(1.85rem, 3.6vw, 2.65rem);
  line-height: 1.15;
  color: var(--ink-navy, #0b1f3a);
  max-width: 18ch;
}
.sci-byline {
  margin: .9rem 0 0;
  font-size: .92rem;
  color: var(--slate, #5b6b7c);
}

.sci-layout {
  display: grid;
  gap: 1.5rem;
  padding: 1.75rem 0 3rem;
}
@media (min-width: 1100px) {
  .sci-layout {
    grid-template-columns: 15rem minmax(0, var(--sci-measure));
    justify-content: center;
    column-gap: 2.5rem;
    align-items: start;
  }
}

.sci-toc__label {
  margin: 0 0 .55rem;
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--slate, #5b6b7c);
}
.sci-toc ol {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--slate, #5b6b7c);
  font-size: .9rem;
  line-height: 1.45;
  list-style: decimal;
}
.sci-toc__more {
  margin: .55rem 0 0;
  font-size: .78rem;
  color: var(--slate, #5b6b7c);
}
.sci-toc a {
  color: inherit;
  text-decoration: none;
}
.sci-toc a:hover { color: var(--ink-navy, #0b1f3a); }
.sci-toc__desk { display: none; }
.sci-toc__mobile {
  background: #fff;
  border: 1px solid rgba(11, 31, 58, .1);
  padding: .35rem .85rem;
}
.sci-toc__mobile summary {
  cursor: pointer;
  font-weight: 600;
  padding: .55rem 0;
  color: var(--ink-navy, #0b1f3a);
}
@media (min-width: 1100px) {
  .sci-toc {
    position: sticky;
    top: 5.5rem;
  }
  .sci-toc__mobile { display: none; }
  .sci-toc__desk { display: block; }
}

.sci-body {
  max-width: var(--sci-measure);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--ink-text, #13233a);
}
.sci-body > :first-child { margin-top: 0; }
.sci-body h2 {
  margin: 2.1rem 0 .8rem;
  font-family: var(--serif, "Newsreader", Georgia, serif);
  font-size: 1.45rem;
  line-height: 1.25;
  color: var(--ink-navy, #0b1f3a);
}
.sci-body h3 {
  margin: 1.5rem 0 .55rem;
  font-size: 1.12rem;
  color: var(--ink-navy, #0b1f3a);
}
.sci-body p { margin: 0 0 1rem; }
.sci-body ul, .sci-body ol { margin: 0 0 1.1rem; padding-left: 1.2rem; }
.sci-body li { margin: .25rem 0; }
.sci-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1.25rem;
  font-size: .95rem;
}
.sci-body th, .sci-body td {
  border: 1px solid rgba(11, 31, 58, .12);
  padding: .55rem .65rem;
  text-align: left;
}
.sci-body blockquote {
  margin: 1.2rem 0;
  padding: .2rem 0 .2rem 1rem;
  border-left: 2px solid rgba(11, 31, 58, .25);
  color: var(--slate, #5b6b7c);
}

.sci-related {
  margin-top: 2.6rem;
  padding-top: 1.4rem;
  border-top: 1px solid rgba(11, 31, 58, .12);
}
.sci-related h2 {
  margin: 0 0 .75rem;
  font-size: 1.2rem;
}
.sci-related ul { margin: 0; padding-left: 1.1rem; }
.sci-note {
  margin: .85rem 0 0;
  font-size: .88rem;
  color: var(--slate, #5b6b7c);
}

.sci-pill.is-active,
.sci-filter.is-active {
  border-color: var(--ink-navy, #0b1f3a);
  background: var(--ink-navy, #0b1f3a);
  color: #fff;
}
.sci-index > .is-hidden,
.sci-index .is-hidden { display: none; }
.sci-pills--filters { gap: .4rem; }