.research-hero { position: relative; padding: 112px max(32px,calc((100vw - var(--max))/2)) 102px; overflow: hidden; color: var(--white); background: var(--navy); border-left: 7px solid var(--red); }
.research-hero::after { content: "R"; position: absolute; right: max(30px,calc((100vw - var(--max))/2)); bottom: -85px; color: rgba(255,255,255,.055); font-size: 360px; font-weight: 800; line-height: 1; }
.research-hero-inner { position: relative; z-index: 1; max-width: 930px; }
.research-hero h1 { max-width: 850px; margin-bottom: 28px; font-size: clamp(52px,7vw,92px); }
.research-hero .lead { max-width: 760px; margin: 0; color: var(--light-blue); font-size: clamp(20px,2vw,26px); line-height: 1.48; }
.research-library { padding: 94px max(32px,calc((100vw - var(--max))/2)) 120px; }
.library-heading { display: flex; justify-content: space-between; gap: 40px; align-items: end; margin-bottom: 42px; padding-bottom: 20px; border-bottom: 1px solid var(--border); }
.library-heading h2 { margin: 0; color: var(--navy); font-size: clamp(34px,4vw,52px); }
.library-heading p { max-width: 460px; margin: 0; color: var(--mid-gray); }
.publication-card { display: grid; grid-template-columns: 220px 1fr; min-height: 420px; border: 1px solid var(--border); box-shadow: 0 10px 30px rgba(0,26,79,.08); }
.publication-card-aside { display: flex; flex-direction: column; justify-content: space-between; padding: 34px 28px; color: var(--white); background: var(--navy); border-top: 7px solid var(--red); }
.publication-number { color: var(--yellow); font-size: 68px; font-weight: 800; line-height: 1; letter-spacing: -.06em; }
.publication-meta { color: var(--light-blue); font-size: 12px; font-weight: 700; letter-spacing: .11em; text-transform: uppercase; }
.publication-body { position: relative; display: flex; flex-direction: column; justify-content: center; padding: 100px 64px 58px; }
.publication-status { position: absolute; top: 0; left: 0; right: 0; padding: 15px 24px; color: var(--navy); background: var(--yellow); border-bottom: 1px solid rgba(0,43,127,.18); font-size: 12px; font-weight: 800; letter-spacing: .15em; text-align: center; text-transform: uppercase; }
.publication-body .eyebrow { margin-bottom: 18px; }
.publication-body h2 { max-width: 820px; margin-bottom: 24px; color: var(--navy); font-size: clamp(32px,4vw,52px); }
.publication-dek { max-width: 800px; margin-bottom: 34px; color: var(--mid-gray); font-size: 20px; }
.publication-actions, .paper-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.button-outline { border: 1px solid var(--navy); color: var(--navy); background: var(--white); }
.button-outline:hover, .button-outline:focus-visible { color: var(--white); background: var(--navy); }
.button-disabled { cursor: not-allowed; opacity: .48; filter: grayscale(.35); }
.button-disabled.button-outline:hover, .button-disabled.button-outline:focus-visible { color: var(--navy); background: var(--white); }

.paper-hero { padding: 88px max(32px,calc((100vw - var(--max))/2)) 80px; background: var(--light-gray); border-top: 6px solid var(--red); }
.paper-hero-inner { max-width: 980px; }
.paper-series { display: flex; gap: 16px; align-items: center; margin-bottom: 26px; color: var(--navy); font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.paper-series span + span { padding-left: 16px; border-left: 2px solid var(--red); }
.paper-hero h1 { max-width: 980px; margin-bottom: 28px; color: var(--navy); font-size: clamp(43px,5.6vw,76px); }
.paper-dek { max-width: 900px; margin-bottom: 30px; color: var(--mid-gray); font-size: clamp(19px,2vw,25px); line-height: 1.48; }
.paper-notice { display: inline-flex; margin-bottom: 32px; padding: 8px 12px; color: var(--white); background: var(--red); font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.paper-layout { display: grid; grid-template-columns: 240px minmax(0,820px); gap: 72px; align-items: start; max-width: var(--max); margin: 0 auto; padding: 82px 32px 120px; }
.paper-toc { position: sticky; top: calc(var(--header-h) + 28px); padding-top: 18px; border-top: 5px solid var(--yellow); }
.paper-toc strong { display: block; margin-bottom: 18px; color: var(--navy); font-size: 12px; letter-spacing: .13em; text-transform: uppercase; }
.paper-toc a { display: block; padding: 8px 0; color: var(--mid-gray); font-size: 13px; line-height: 1.35; text-decoration: none; }
.paper-toc a:hover, .paper-toc a:focus-visible { color: var(--navy); text-decoration: underline; text-decoration-color: var(--red); text-underline-offset: 4px; }
.research-article-copy { color: #303746; font-family: Georgia, "Times New Roman", serif; font-size: 18px; line-height: 1.78; }
.research-article-copy > p:first-of-type { font-size: 20px; }
.research-article-copy h2 { margin: 78px 0 30px; padding-top: 24px; border-top: 6px solid var(--red); color: var(--navy); font-family: var(--font); font-size: clamp(31px,3.8vw,46px); }
.research-article-copy h2:first-child { margin-top: 0; }
.research-article-copy h3 { margin: 48px 0 18px; color: var(--navy); font-family: var(--font); font-size: 25px; }
.research-article-copy p { margin-bottom: 24px; }
.research-article-copy ul { margin: 18px 0 34px; padding-left: 25px; }
.research-article-copy li { margin-bottom: 13px; padding-left: 5px; }
.research-article-copy li::marker { color: var(--red); }
.research-article-copy em { color: var(--mid-gray); }
.research-article-copy table { width: 100%; margin: 36px 0 44px; border-collapse: collapse; font-family: var(--font); font-size: 14px; line-height: 1.48; }
.research-article-copy th { padding: 14px 16px; color: var(--white); background: var(--navy); text-align: left; vertical-align: top; }
.research-article-copy td { padding: 14px 16px; border: 1px solid var(--border); vertical-align: top; }
.research-article-copy tbody tr:nth-child(even) { background: var(--light-gray); }
.research-callout { margin: 42px 0; padding: 28px 30px; border-left: 6px solid var(--yellow); color: var(--white); background: var(--navy); font-family: var(--font); font-size: 16px; line-height: 1.65; }
.research-callout em { color: var(--white); }
.paper-back { display: inline-flex; margin-bottom: 28px; color: var(--navy); font-size: 13px; font-weight: 700; text-decoration: none; }
.paper-back::before { content: "←"; margin-right: 9px; color: var(--red); }

@media (max-width: 980px) {
  .publication-card { grid-template-columns: 150px 1fr; }
  .publication-body { padding: 48px 42px; }
  .paper-layout { grid-template-columns: 1fr; gap: 40px; }
  .paper-toc { position: static; display: grid; grid-template-columns: repeat(2,1fr); gap: 2px 24px; }
  .paper-toc strong { grid-column: 1/-1; }
}
@media (max-width: 680px) {
  .research-hero { padding: 78px 24px 72px 30px; }
  .research-hero::after { right: -30px; font-size: 250px; }
  .research-library { padding: 70px 24px 86px; }
  .library-heading { display: block; }
  .library-heading p { margin-top: 16px; }
  .publication-card { grid-template-columns: 1fr; }
  .publication-card-aside { min-height: 150px; }
  .publication-number { font-size: 52px; }
  .publication-body { padding: 36px 24px 42px; }
  .publication-dek { font-size: 17px; }
  .paper-hero { padding: 58px 24px 60px; }
  .paper-series { align-items: flex-start; flex-direction: column; gap: 5px; }
  .paper-series span + span { padding-left: 0; border-left: 0; }
  .paper-layout { padding: 58px 24px 88px; }
  .paper-toc { grid-template-columns: 1fr; }
  .paper-toc strong { grid-column: auto; }
  .research-article-copy { font-size: 17px; line-height: 1.7; }
  .research-article-copy h2 { margin-top: 60px; font-size: 31px; }
  .research-article-copy h3 { font-size: 23px; }
  .research-article-copy table { display: block; overflow-x: auto; white-space: normal; }
}