/* Article-only styles. This file is not loaded by the homepage. */
.research-page {
  background: #091321;
}

.research-page::before {
  content: none;
}

.research-article {
  width: min(100% - 48px, 740px);
  margin-inline: auto;
  padding: 76px 0 80px;
  color: #becbd8;
  font-size: 1.125rem;
  line-height: 1.8;
  overflow-wrap: break-word;
}

.article-heading {
  margin-bottom: 52px;
  padding-bottom: 32px;
  border-bottom: 1px solid #293a4c;
}

.research-article .section-kicker {
  margin-bottom: 18px;
  color: #a4bdd0;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
}

.research-article h1 {
  margin: 0 0 22px;
  font-family: "Segoe UI", Arial, sans-serif;
  font-size: clamp(2.15rem, 4.2vw, 3.375rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.035em;
  color: #f3f6fa;
  text-wrap: balance;
}

.research-article .article-subtitle {
  margin-bottom: 22px;
  color: #afc1d2;
  font-size: 1.25rem;
  line-height: 1.65;
}

.research-article .article-byline {
  margin: 0;
  color: #93a8bb;
  font-size: 0.875rem;
}

.article-byline span {
  padding-inline: 8px;
}

.research-article section + section {
  margin-top: 44px;
}

.research-article h2 {
  margin-bottom: 18px;
  color: #e5edf5;
  font-size: 1.6rem;
  font-weight: 550;
  line-height: 1.3;
  letter-spacing: -0.025em;
  scroll-margin-top: 100px;
}

.research-article p {
  margin: 0 0 20px;
}

.research-article a {
  color: #b7d8ee;
  text-decoration: underline;
  text-decoration-color: #536e83;
  text-underline-offset: 0.2em;
}

.research-article a:hover {
  color: #f3f8ff;
  text-decoration-color: currentColor;
}

.research-article a:focus-visible {
  outline: 2px solid #a9c5da;
  outline-offset: 4px;
  border-radius: 2px;
}

.research-article .equation {
  margin: 28px 0;
  padding: 20px 16px;
  border-block: 1px solid #293a4c;
  color: #e1edf7;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.85rem;
  text-align: center;
  letter-spacing: 0.05em;
}

.equation sup {
  font-size: 0.65em;
}

.structure-diagram {
  max-width: 440px;
  margin: 32px auto;
}

.structure-diagram svg {
  display: block;
  width: 100%;
  height: auto;
}

.structure-boxes {
  fill: #0d1a29;
  stroke: #3b5267;
  stroke-width: 1;
}

.structure-boxes .open-question {
  fill: none;
  stroke-dasharray: 4 4;
}

.structure-arrows,
#note-arrow path {
  fill: none;
  stroke: #68869d;
  stroke-width: 1;
}

.structure-labels {
  fill: #bdcdda;
  font-family: "Segoe UI", Arial, sans-serif;
  font-size: 17px;
  text-anchor: middle;
  dominant-baseline: middle;
}

.structure-diagram figcaption {
  margin-top: 18px;
  color: #93a8bb;
  font-size: 0.875rem;
  line-height: 1.6;
  text-align: center;
}

.research-article .research-question {
  margin: 28px 0 0;
  padding: 8px 0 8px 22px;
  border-left: 2px solid #6d8aa1;
  color: #e0eaf3;
  font-size: 1.25rem;
  line-height: 1.65;
}

.article-references {
  margin-top: 60px;
  padding-top: 32px;
  border-top: 1px solid #293a4c;
  font-size: 1rem;
  line-height: 1.7;
}

.research-article .article-references h2 {
  font-size: 1.25rem;
}

.research-article .reference-label {
  margin-bottom: 12px;
  color: #a4bdd0;
  font-size: 0.8125rem;
  font-weight: 600;
}

.research-article .source-note {
  margin-top: 30px;
  color: #a1b3c4;
  font-size: 0.875rem;
}

.research-article .article-return {
  margin: 44px 0 0;
  font-size: 0.9375rem;
}

@media (max-width: 720px) {
  .research-article {
    padding: 44px 0 56px;
    font-size: 1.0625rem;
    line-height: 1.8;
  }

  .article-heading {
    margin-bottom: 36px;
    padding-bottom: 28px;
  }

  .research-article .article-subtitle {
    font-size: 1.125rem;
  }

  .research-article h2 {
    font-size: 1.4rem;
  }

  .research-article section + section {
    margin-top: 36px;
  }

  .research-article .research-question {
    padding-left: 18px;
    font-size: 1.125rem;
  }
}