:root {
  --ink: #18232d;
  --ink-soft: #45545f;
  --paper: #f7f8f7;
  --white: #ffffff;
  --line: #d7dde0;
  --line-dark: #b9c3c8;
  --accent: #16707b;
  --accent-dark: #0f5660;
  --navy: #102b3a;
  --muted: #eef2f2;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  line-height: 1.55;
}

a { color: inherit; text-decoration: none; }
.wrap { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }

.site-header { background: rgba(247,248,247,.98); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.header-rule { height: 4px; background: var(--accent); }
.nav-wrap { min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark { width: 42px; height: 42px; border: 1px solid var(--accent); color: var(--accent); display: grid; place-items: center; font: 600 21px/1 Georgia, serif; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { letter-spacing: .12em; font-size: 15px; }
.brand-text small { margin-top: 6px; color: var(--ink-soft); font-size: 11px; letter-spacing: .025em; }
nav { display: flex; gap: 28px; font-size: 14px; }
nav a { color: #34444f; }
nav a:hover { color: var(--accent); }

.hero { padding: 92px 0 80px; background: linear-gradient(180deg, #fbfcfb 0%, #f4f6f5 100%); border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: 1.65fr .75fr; gap: 72px; align-items: center; }
.eyebrow { margin: 0 0 14px; color: var(--accent); font-size: 12px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.hero h1, .section h2 { font-family: Georgia, "Times New Roman", serif; font-weight: 500; letter-spacing: -.025em; }
.hero h1 { margin: 0; max-width: 850px; font-size: clamp(48px, 6vw, 76px); line-height: 1.04; }
.hero-lede { max-width: 760px; margin: 28px 0 0; color: var(--ink-soft); font-size: 19px; line-height: 1.7; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 34px; }
.button.primary { display: inline-flex; padding: 13px 18px; background: var(--navy); color: white; font-size: 14px; letter-spacing: .02em; }
.button.primary:hover { background: var(--accent-dark); }
.button.text-link { color: var(--accent-dark); font-weight: 600; font-size: 14px; }

.briefing-card { background: var(--white); border: 1px solid var(--line); padding: 28px; box-shadow: 0 10px 24px rgba(15,34,44,.05); }
.card-kicker { color: var(--ink-soft); font-weight: 700; letter-spacing: .14em; font-size: 10px; margin-bottom: 10px; }
.briefing-card dl { margin: 0; }
.briefing-card dl div { display: grid; grid-template-columns: 44px 1fr; padding: 12px 0; border-top: 1px solid var(--line); align-items: baseline; }
.briefing-card dt { color: var(--accent); font: 600 13px/1 Georgia, serif; }
.briefing-card dd { margin: 0; font-weight: 600; font-size: 14px; }
.briefing-card p { margin: 18px 0 0; color: var(--ink-soft); font-size: 12px; line-height: 1.65; }

.stats-strip { background: var(--white); border-bottom: 1px solid var(--line); }
.stats-grid { display: grid; grid-template-columns: repeat(3,1fr); }
.stats-grid > div { padding: 22px 0; border-right: 1px solid var(--line); }
.stats-grid > div:not(:first-child) { padding-left: 28px; }
.stats-grid > div:last-child { border-right: none; }
.stat-label { display: block; color: var(--accent); font-size: 10px; font-weight: 700; letter-spacing: .14em; margin-bottom: 4px; }
.stats-grid strong { font-size: 13px; font-weight: 600; }

.section { padding-top: 92px; padding-bottom: 92px; }
.section-heading { display: grid; grid-template-columns: 1.15fr .85fr; gap: 80px; align-items: end; margin-bottom: 42px; }
.section h2 { margin: 0; font-size: clamp(34px,4vw,52px); line-height: 1.12; }
.section-heading > p { margin: 0; color: var(--ink-soft); font-size: 16px; }
.research-grid { display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.research-card { padding: 30px 26px 34px 0; min-height: 230px; border-right: 1px solid var(--line); }
.research-card:not(:first-child) { padding-left: 26px; }
.research-card:last-child { border-right: none; }
.index { color: var(--accent); font: 600 13px/1 Georgia, serif; }
.research-card h3 { margin: 34px 0 10px; font-size: 18px; }
.research-card p { margin: 0; color: var(--ink-soft); font-size: 14px; }

.muted-section { background: var(--muted); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-title-row { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 34px; }
.quiet-link { color: var(--accent-dark); font-size: 13px; font-weight: 600; }
.report-list { border-top: 1px solid var(--line-dark); }
.report-row { display: grid; grid-template-columns: 160px 1fr 140px; gap: 30px; padding: 28px 0; border-bottom: 1px solid var(--line); align-items: start; }
.report-meta { display: flex; flex-direction: column; gap: 4px; color: var(--ink-soft); font-size: 11px; letter-spacing: .1em; }
.report-meta span { color: var(--accent); font-weight: 700; }
.report-body h3 { margin: 0 0 7px; font: 500 23px/1.25 Georgia, serif; }
.report-body p { margin: 0; color: var(--ink-soft); font-size: 14px; }
.report-link { text-align: right; color: var(--accent-dark); font-size: 12px; font-weight: 700; letter-spacing: .06em; }

.project-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 22px; }
.project-card { background: var(--white); border: 1px solid var(--line); padding: 28px; }
.status { display: inline-block; color: var(--accent); font-size: 10px; font-weight: 700; letter-spacing: .13em; border-bottom: 1px solid var(--accent); padding-bottom: 3px; }
.project-card h3 { margin: 24px 0 8px; font: 500 25px/1.2 Georgia, serif; }
.project-card p { margin: 0; color: var(--ink-soft); }
.project-footer { display: flex; justify-content: space-between; margin-top: 42px; padding-top: 14px; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: 11px; }

.methods-section { background: var(--navy); color: white; }
.methods-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 80px; align-items: start; }
.eyebrow.light { color: #85c3c9; }
.methods-section h2 { color: white; }
.methods-copy p { margin: 0 0 22px; color: #d5e0e4; font-size: 16px; }
.methods-copy a { color: #9cd6db; font-weight: 600; font-size: 14px; }

.about-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; align-items: start; }
.about-grid p { margin-top: 0; color: var(--ink-soft); font-size: 17px; }
.small-note { padding-top: 18px; border-top: 1px solid var(--line); font-size: 13px !important; }

.site-footer { background: #0a1b25; color: white; padding: 34px 0; border-top: 4px solid var(--accent); }
.footer-grid { display: flex; justify-content: space-between; gap: 30px; }
.site-footer strong { letter-spacing: .12em; font-size: 13px; }
.site-footer p, .footer-right { color: #a9bac3; font-size: 11px; margin: 5px 0 0; }
.footer-right { display: flex; gap: 24px; align-items: center; }

@media (max-width: 900px) {
  nav { display: none; }
  .hero-grid, .section-heading, .methods-grid, .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .research-grid { grid-template-columns: repeat(2,1fr); }
  .research-card:nth-child(2) { border-right: none; }
  .report-row { grid-template-columns: 110px 1fr; }
  .report-link { grid-column: 2; text-align: left; }
}

@media (max-width: 620px) {
  .wrap { width: min(var(--max), calc(100% - 28px)); }
  .brand-text small { display: none; }
  .hero { padding: 62px 0 54px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 16px; }
  .stats-grid, .research-grid, .project-grid { grid-template-columns: 1fr; }
  .stats-grid > div, .stats-grid > div:not(:first-child) { padding: 15px 0; border-right: none; border-bottom: 1px solid var(--line); }
  .research-card, .research-card:not(:first-child) { padding: 24px 0; border-right: none; border-bottom: 1px solid var(--line); min-height: auto; }
  .report-row { grid-template-columns: 1fr; gap: 10px; }
  .report-link { grid-column: 1; }
  .footer-grid, .footer-right { flex-direction: column; align-items: flex-start; }
}
