:root{--ink:#12181d;--muted:#5d6972;--line:#dfe5e8;--soft:#f3f6f5;--accent:#145a43;--accent2:#e5f2ec;--max:1180px;--radius:20px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.6}a{color:inherit}.container{width:min(calc(100% - 40px),var(--max));margin-inline:auto}.narrow{max-width:830px}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:16px;top:16px;background:#fff;padding:10px 14px;z-index:99}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid 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b{color:var(--ink)}.callout{display:flex;align-items:center;justify-content:space-between;gap:40px;border:1px solid var(--line);border-radius:var(--radius);padding:34px}.callout p{max-width:760px;color:var(--muted)}.page-hero{padding:78px 0 54px;background:var(--soft);border-bottom:1px solid var(--line)}.page-hero h1{font-size:clamp(42px,5vw,64px)}.page-hero .button{margin-top:16px}.notice{padding:18px 20px;border:1px solid #cfe1d8;background:#f3faf6;border-radius:14px;margin-bottom:28px}.notice p{margin:4px 0 0;color:var(--muted)}.research-list{border-top:1px solid var(--line)}.research-row{display:grid;grid-template-columns:70px 1fr 150px;gap:24px;align-items:center;padding:27px 0;border-bottom:1px solid var(--line)}.research-num{font-size:14px;color:#89949b}.research-row h2{font-size:23px;letter-spacing:-.025em;margin:4px 0}.research-row p{margin:0;color:var(--muted)}.research-meta{text-align:right}.research-meta span,.research-meta 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/* Research publication components */
.research-hero{padding:72px 0 54px;background:linear-gradient(180deg,#f3f7f5 0,#fff 100%);border-bottom:1px solid var(--line)}
.research-breadcrumb{display:flex;gap:8px;align-items:center;font-size:13px;color:var(--muted);margin-bottom:22px}.research-breadcrumb a{text-decoration:none}.research-breadcrumb a:hover{color:var(--accent)}
.study-topline{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:13px;margin-bottom:18px}.research-hero h1{font-size:clamp(45px,6vw,72px);letter-spacing:-.055em;line-height:.98;margin:0 0 22px}.research-dek{font-size:22px;line-height:1.5;color:#344149;max-width:820px}
.study-facts{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:34px 0 0}.study-facts>div{border:1px solid var(--line);background:#fff;border-radius:14px;padding:16px}.study-facts span,.methodology-grid span{display:block;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.08em}.study-facts strong,.methodology-grid strong{display:block;margin-top:4px;font-size:16px}.study-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.research-heading{align-items:flex-start}.research-heading>p{max-width:540px}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.stat-grid.three{grid-template-columns:repeat(3,1fr)}.stat-card{border:1px solid var(--line);border-radius:18px;background:#fff;padding:24px}.stat-value{display:block;font-size:44px;letter-spacing:-.045em;font-weight:850;line-height:1;color:var(--accent)}.stat-card h3{font-size:19px;line-height:1.25;margin:16px 0 8px}.stat-card p{font-size:13px;color:var(--muted);margin:0}
.research-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}.mini-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px}.mini-stats>div{border:1px solid #d7e1dc;background:#fff;border-radius:14px;padding:20px}.mini-stats strong{display:block;font-size:31px;line-height:1;color:var(--accent)}.mini-stats span{display:block;color:var(--muted);font-size:13px;margin-top:8px}
.chart-layout{display:grid;grid-template-columns:minmax(260px,.7fr) minmax(0,1.3fr);gap:70px;align-items:start}.chart-layout h2{font-size:clamp(31px,4vw,48px);letter-spacing:-.04em;line-height:1.05;margin:0 0 18px}.chart-layout>div:first-child>p:not(.eyebrow){color:var(--muted)}.bar-chart{border:1px solid var(--line);border-radius:18px;background:#fff;padding:24px}.bar-row+ .bar-row{margin-top:18px}.bar-label{display:flex;justify-content:space-between;gap:14px;font-size:14px}.bar-label strong{font-size:14px}.bar-track{height:11px;background:#edf2ef;border-radius:999px;overflow:hidden;margin:7px 0 4px}.bar-track span{display:block;height:100%;background:var(--accent);border-radius:999px}.bar-row small{color:#7a868d;font-size:11px}.bar-chart.compact .bar-row+.bar-row{margin-top:12px}.bar-chart.compact .bar-track{height:9px}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:#fff}.data-table{width:100%;border-collapse:collapse;min-width:760px}.data-table th,.data-table td{padding:15px 16px;border-bottom:1px solid var(--line);text-align:right;font-size:14px}.data-table thead th{background:#f7f9f8;color:#4b5860;font-size:11px;text-transform:uppercase;letter-spacing:.05em;white-space:nowrap}.data-table th:first-child,.data-table td:first-child{text-align:left}.data-table tbody th{font-weight:750}.data-table tbody tr:last-child th,.data-table tbody tr:last-child td{border-bottom:0}.compact-table{min-width:420px}.chart-note{font-size:12px;color:var(--muted);margin-top:12px}.methodology-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:34px}.methodology-grid>div{border:1px solid #d7e1dc;background:#fff;border-radius:14px;padding:16px}.research-prose{max-width:900px}.research-prose h3{font-size:23px;letter-spacing:-.02em;margin:38px 0 10px}.question-list{display:grid;gap:8px}.question-list details{border:1px solid var(--line);border-radius:12px;background:#fff;padding:0 16px}.question-list summary{cursor:pointer;font-weight:750;padding:14px 0}.question-list details p{font-size:14px}.citation-box{border-left:4px solid var(--accent);background:#fff;border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 20px;border-radius:0 12px 12px 0;color:#344149}
.published-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.published-card{display:block;text-decoration:none;border:1px solid var(--line);border-radius:18px;background:#fff;padding:24px;transition:.2s ease}.published-card:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(18,24,29,.06)}.published-card-top{display:flex;justify-content:space-between;gap:12px;align-items:center;color:var(--muted);font-size:12px}.published-card h3{font-size:27px;letter-spacing:-.03em;line-height:1.08;margin:24px 0 10px}.published-card p{color:var(--muted);margin:0}.published-meta{display:flex;gap:16px;margin-top:24px;padding-top:14px;border-top:1px solid var(--line);color:#526069;font-size:12px;font-weight:700}.featured-study{display:grid;grid-template-columns:1fr 220px;gap:40px;align-items:center;text-decoration:none;border:1px solid var(--line);border-radius:20px;background:#fff;padding:30px}.featured-study:hover{box-shadow:0 16px 42px rgba(18,24,29,.07)}.featured-study h3{font-size:34px;letter-spacing:-.035em;line-height:1.05;margin:24px 0 12px}.featured-study p{color:var(--muted);max-width:760px}.featured-study-stat{display:flex;flex-direction:column;align-items:flex-start;border-left:1px solid var(--line);padding-left:28px}.featured-study-stat strong{font-size:43px;letter-spacing:-.04em;line-height:1}.featured-study-stat span{color:var(--muted);font-size:12px;margin:5px 0 20px}.featured-study-stat b{font-size:13px;color:var(--accent)}
@media(max-width:900px){.study-facts{grid-template-columns:repeat(2,1fr)}.stat-grid,.stat-grid.three{grid-template-columns:repeat(2,1fr)}.research-grid,.chart-layout{grid-template-columns:1fr}.chart-layout{gap:30px}.published-grid{grid-template-columns:1fr}.featured-study{grid-template-columns:1fr}.featured-study-stat{border-left:0;border-top:1px solid var(--line);padding:20px 0 0}.methodology-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.research-hero{padding:50px 0 38px}.research-dek{font-size:18px}.study-facts,.stat-grid,.stat-grid.three,.mini-stats,.methodology-grid{grid-template-columns:1fr}.stat-value{font-size:38px}.bar-chart{padding:18px}.featured-study h3{font-size:28px}}