:root {
  --research-ink: #0e1b2c;
  --research-accent: #946029;
  --research-paper: #f7f5ef;
  --research-surface: #ffffff;
  --research-rule: #e1dbce;
  --research-muted: #5a6472;
  --research-blue: #426b8a;
}

html { scroll-behavior: smooth; }
body { margin: 0; background: var(--research-paper); color: var(--research-ink); }
* { box-sizing: border-box; }
a { color: inherit; }
.research-shell { min-height: 100vh; font-family: Inter, ui-sans-serif, system-ui, sans-serif; }
.research-nav { position: sticky; top: 0; z-index: 30; background: rgba(247,245,239,.96); border-bottom: 1px solid var(--research-rule); backdrop-filter: blur(12px); }
.research-nav-inner { max-width: 1180px; min-height: 76px; margin: 0 auto; padding: 0 28px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.research-brand { min-height: 44px; text-decoration: none; display: flex; align-items: center; gap: 13px; }
.research-ball { width: 34px; height: 34px; border: 1.5px solid var(--research-ink); border-radius: 50%; position: relative; flex: 0 0 auto; }
.research-ball:before,.research-ball:after { content: ""; position: absolute; top: 4px; bottom: 4px; width: 12px; border: 1px solid var(--research-ink); border-top-color: transparent; border-bottom-color: transparent; border-radius: 50%; }
.research-ball:before { left: -1px; }
.research-ball:after { right: -1px; }
.research-brand-name { font-family: "Cormorant Garamond", Georgia, serif; font-size: 23px; letter-spacing: .12em; text-transform: uppercase; }
.research-brand-sub { display: block; margin-top: -2px; color: var(--research-muted); font-size: 9px; letter-spacing: .28em; text-transform: uppercase; }
.research-links { display: flex; align-items: center; gap: 22px; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; }
.research-links a { min-width: 44px; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; text-decoration: none; }
.research-links a:hover,.research-links a:focus-visible { color: var(--research-accent); }
.research-book { padding: 11px 16px; background: var(--research-ink); color: #fff !important; }
.research-hero { border-bottom: 1px solid var(--research-rule); background: linear-gradient(135deg,#f7f5ef 0%,#fff 100%); }
.research-hero-inner { max-width: 1050px; margin: 0 auto; padding: 72px 28px 62px; }
.research-kicker { margin: 0 0 18px; color: var(--research-accent); font-size: 11px; font-weight: 600; letter-spacing: .28em; text-transform: uppercase; }
.research-title { max-width: 900px; margin: 0; font-family: "Cormorant Garamond", Georgia, serif; font-size: clamp(44px,7vw,78px); font-weight: 400; line-height: .98; letter-spacing: -.025em; }
.research-deck { max-width: 780px; margin: 24px 0 0; color: var(--research-muted); font-size: clamp(17px,2vw,21px); line-height: 1.65; }
.research-meta { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 10px 24px; color: var(--research-muted); font-size: 12px; }
.research-status { display: inline-flex; align-items: center; gap: 8px; padding: 7px 10px; border: 1px solid var(--research-rule); background: #fff; color: var(--research-ink); font-weight: 600; }
.research-status:before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--research-accent); }
.research-breadcrumb { max-width: 1050px; margin: 0 auto; padding: 18px 28px; color: var(--research-muted); font-size: 12px; }
.research-breadcrumb a { min-width: 44px; min-height: 44px; display: inline-flex; align-items: center; color: var(--research-accent); text-underline-offset: 3px; }
.research-layout { max-width: 1050px; margin: 0 auto; padding: 54px 28px 80px; display: grid; grid-template-columns: minmax(0,1fr) 250px; gap: 64px; align-items: start; }
.research-article { min-width: 0; }
.research-article h2 { scroll-margin-top: 100px; margin: 64px 0 16px; padding-top: 26px; border-top: 1px solid var(--research-rule); font-family: "Cormorant Garamond", Georgia, serif; font-size: clamp(32px,4vw,44px); font-weight: 500; line-height: 1.12; }
.research-article h2:first-child { margin-top: 0; }
.research-article h3 { margin: 34px 0 10px; font-family: "Cormorant Garamond", Georgia, serif; font-size: 27px; font-weight: 600; line-height: 1.2; }
.research-article p,.research-article li { color: #293544; font-size: 16px; line-height: 1.78; }
.research-article p { margin: 0 0 18px; }
.research-article strong { color: var(--research-ink); }
.research-article a { color: #89571f; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.research-answer { margin: 0 0 32px; padding: 26px 28px; border-left: 4px solid var(--research-accent); background: #fff; box-shadow: 0 10px 35px rgba(14,27,44,.05); }
.research-answer p { margin: 0; color: var(--research-ink); font-size: 19px; line-height: 1.65; }
.research-definition { margin: -12px 0 32px; padding: 18px 22px; border: 1px solid var(--research-rule); background: #fbfaf7; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px 24px; }
.research-definition div { min-width: 0; }
.research-definition dt { color: var(--research-accent); font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.research-definition dd { margin: 5px 0 0; color: #293544; font-size: 13px; line-height: 1.55; }
.research-note { margin: 28px 0; padding: 20px 22px; border: 1px solid var(--research-rule); background: #fbfaf7; }
.research-note > :last-child { margin-bottom: 0; }
.research-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; margin: 25px 0; }
.research-card { padding: 24px; border: 1px solid var(--research-rule); background: #fff; }
.research-card h3 { margin-top: 0; }
.research-stat { display: block; margin-bottom: 8px; color: var(--research-accent); font-family: "Cormorant Garamond", Georgia, serif; font-size: 43px; line-height: 1; }
.research-table-wrap { width: 100%; margin: 26px 0 32px; overflow-x: auto; border: 1px solid var(--research-rule); background: #fff; }
.research-table { width: 100%; border-collapse: collapse; min-width: 690px; font-size: 13px; }
.research-table caption { padding: 16px; text-align: left; color: var(--research-muted); background: #fbfaf7; border-bottom: 1px solid var(--research-rule); font-size: 12px; line-height: 1.5; }
.research-table th,.research-table td { padding: 13px 15px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--research-rule); line-height: 1.5; }
.research-table th { background: #f1eee6; color: var(--research-ink); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.research-table tr:last-child td { border-bottom: 0; }
.research-figure { margin: 34px 0; padding: 22px; border: 1px solid var(--research-rule); background: #fff; }
.research-figure svg { display: block; width: 100%; height: auto; }
.research-figure figcaption { margin-top: 16px; color: var(--research-muted); font-size: 12px; line-height: 1.6; }
.research-downloads { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0; }
.research-downloads a { min-height: 44px; padding: 11px 14px; border: 1px solid var(--research-ink); color: var(--research-ink); display: inline-flex; align-items: center; text-decoration: none; font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.research-downloads a:hover { background: var(--research-ink); color: #fff; }
.research-aside { position: sticky; top: 100px; padding: 20px; border: 1px solid var(--research-rule); background: #fff; }
.research-aside h2 { margin: 0 0 12px; font-size: 11px; letter-spacing: .2em; text-transform: uppercase; }
.research-aside ol { list-style: none; padding: 0; margin: 0; }
.research-aside li { border-top: 1px solid var(--research-rule); }
.research-aside a { min-height: 44px; display: flex; align-items: center; padding: 10px 0; color: var(--research-muted); font-size: 12px; line-height: 1.4; text-decoration: none; }
.research-aside a:hover { color: var(--research-accent); }
.research-citation { padding: 24px; border: 1px solid var(--research-rule); background: #fff; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; line-height: 1.65; overflow-wrap: anywhere; }
.research-author { display: grid; grid-template-columns: 90px 1fr; gap: 22px; align-items: center; margin-top: 34px; padding: 24px; border: 1px solid var(--research-rule); background: #fff; }
.research-author img { width: 90px; height: 90px; object-fit: cover; border-radius: 50%; }
.research-author h3 { margin: 0 0 5px; }
.research-author p { margin: 0 0 8px; font-size: 14px; }
.research-footer { border-top: 1px solid var(--research-rule); background: var(--research-ink); color: #fff; }
.research-footer-inner { max-width: 1050px; margin: 0 auto; padding: 45px 28px; display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 40px; }
.research-footer h2,.research-footer h3 { margin: 0 0 12px; font-family: "Cormorant Garamond", Georgia, serif; font-weight: 400; }
.research-footer p,.research-footer a { color: rgba(255,255,255,.72); font-size: 13px; line-height: 1.65; }
.research-footer a { min-height: 44px; display: flex; align-items: center; margin: 0; }
.research-footer-bottom { max-width: 1050px; margin: 0 auto; padding: 18px 28px 28px; border-top: 1px solid rgba(255,255,255,.15); color: rgba(255,255,255,.55); font-size: 11px; }
.research-hub-grid { max-width: 1050px; margin: 0 auto; padding: 58px 28px 80px; }
.research-hub-grid h2 { margin: 55px 0 20px; font-family: "Cormorant Garamond", Georgia, serif; font-size: 40px; font-weight: 500; }
.research-asset { display: grid; grid-template-columns: 125px 1fr auto; gap: 24px; align-items: start; padding: 28px 0; border-top: 1px solid var(--research-rule); }
.research-asset-id { color: var(--research-accent); font-size: 11px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.research-asset h3 { margin: 0 0 8px; font-family: "Cormorant Garamond", Georgia, serif; font-size: 30px; }
.research-asset p { margin: 0; color: var(--research-muted); line-height: 1.65; }
.research-asset-link { min-height: 44px; display: inline-flex; align-items: center; white-space: nowrap; color: var(--research-accent); font-size: 12px; text-transform: uppercase; letter-spacing: .1em; }
@media (max-width: 860px) {
  .research-links a:not(.research-book) { display: none; }
  .research-layout { grid-template-columns: 1fr; gap: 30px; }
  .research-aside { position: static; order: -1; }
  .research-aside ol { columns: 2; column-gap: 25px; }
  .research-footer-inner { grid-template-columns: 1fr; }
  .research-asset { grid-template-columns: 1fr; gap: 10px; }
}
@media (max-width: 580px) {
  .research-nav-inner { padding: 0 18px; }
  .research-brand-name { font-size: 18px; }
  .research-hero-inner,.research-breadcrumb,.research-layout,.research-hub-grid { padding-left: 20px; padding-right: 20px; }
  .research-grid { grid-template-columns: 1fr; }
  .research-definition { grid-template-columns: 1fr; }
  .research-author { grid-template-columns: 1fr; }
  .research-aside ol { columns: 1; }
}
@media print {
  .research-nav,.research-aside,.research-footer { display: none; }
  .research-layout { display: block; max-width: none; padding: 0; }
  body { background: #fff; }
  a { text-decoration: none; }
}