:root { --ink: #173126; --accent: #9a641e; --paper: #fbfaf6; --line: #dedbd1; --muted: #f0eee7; --body: #30352f; --serif: Georgia, "Times New Roman", serif; --sans: Arial, Helvetica, sans-serif; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--body); font: 1rem/1.65 var(--sans); }
a { color: #245b4a; text-underline-offset: .16em; }
a:hover { color: var(--accent); }
.skip-link { position: absolute; left: -999px; top: 0; background: #fff; color: #111; padding: .75rem; z-index: 2; }
.skip-link:focus { left: .75rem; }
.site-header, .site-footer, main { max-width: 74rem; margin: 0 auto; padding-left: 1.5rem; padding-right: 1.5rem; }
.site-header { min-height: 5.5rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; border-bottom: 1px solid var(--line); }
.brand { color: var(--ink); font: 700 1.35rem var(--serif); text-decoration: none; letter-spacing: .01em; }
.brand span { color: var(--accent); }
.site-nav { display: flex; gap: 1.25rem; align-items: center; }
.site-nav a, .site-footer a { color: var(--ink); font-size: .92rem; text-decoration: none; }
.site-nav a:hover, .site-footer a:hover { color: var(--accent); text-decoration: underline; }
.menu-toggle { display: none; border: 1px solid var(--ink); background: transparent; color: var(--ink); padding: .45rem .7rem; font: inherit; }
.hero { margin: 0 -1.5rem; padding: 5.5rem max(1.5rem, calc((100% - 68rem) / 2)); background: linear-gradient(125deg, #173a2d, #28543f); color: #fff; }
.hero > div { max-width: 47rem; }
.eyebrow { color: var(--accent); font-size: .78rem; font-weight: bold; letter-spacing: .12em; text-transform: uppercase; }
.hero .eyebrow { color: #e8bb77; }
h1, h2, h3 { color: var(--ink); font-family: var(--serif); line-height: 1.14; }
h1 { margin: .25rem 0 1.2rem; font-size: clamp(2.35rem, 6vw, 4.5rem); }
h2 { font-size: 1.65rem; }
.hero h1 { color: #fff; max-width: 12ch; }
.lede { max-width: 45rem; font-size: 1.22rem; }
.hero-actions { display: flex; gap: 1.25rem; align-items: center; margin-top: 2rem; }
.button { display: inline-block; background: #e8bb77; color: #21362a; padding: .78rem 1rem; font-weight: bold; text-decoration: none; }
.button:hover { background: #fff0d5; color: #173126; }
.text-link { color: #fff; font-weight: bold; }
.content-section, .article-page { padding: 4.5rem 0; }
.muted-section { margin: 0 -1.5rem; padding-left: max(1.5rem, calc((100% - 68rem) / 2)); padding-right: max(1.5rem, calc((100% - 68rem) / 2)); background: var(--muted); }
.section-heading { margin-bottom: 1.75rem; }
.section-heading h2 { margin: 0; }
.post-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.post-list { display: grid; gap: 1.25rem; }
.post-card { border-top: 3px solid #c49b5d; padding: 1.3rem 0 0; }
.post-grid .post-card { padding: 1.3rem; border: 1px solid var(--line); border-top: 3px solid #c49b5d; background: #fff; }
.post-card h2 { margin: .35rem 0 .7rem; font-size: 1.4rem; }
.post-card h2 a { color: var(--ink); text-decoration: none; }
.post-card h2 a:hover { color: var(--accent); text-decoration: underline; }
.post-card p { margin: .55rem 0; }
.post-meta { color: #686b63; font-size: .82rem; }
.read-more { display: inline-block; margin-top: .4rem; font-weight: bold; }
.topic-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.topic-links a { display: flex; flex-direction: column; gap: .3rem; padding: 1.1rem 1.2rem; border: 1px solid var(--line); background: #fff; color: var(--ink); text-decoration: none; }
.topic-links a:hover { border-color: var(--accent); }
.topic-links span { color: #63675f; font-size: .92rem; }
.article-page { max-width: 50rem; }
.article-content { margin-top: 2rem; font-family: var(--serif); font-size: 1.12rem; }
.article-content img, .article-content iframe, .article-content video { max-width: 100%; height: auto; }
.article-content iframe { min-height: 18rem; }
.article-content h2, .article-content h3 { margin-top: 2.2rem; }
.article-content table { display: block; max-width: 100%; overflow-x: auto; }
.article-content blockquote { margin: 1.5rem 0; border-left: 4px solid var(--accent); padding: .35rem 1.25rem; color: #555a51; }
.related-studies { margin-top: 3.5rem; padding-top: 2.5rem; border-top: 1px solid var(--line); }
.related-studies h2 { margin-top: 0; }
.archive-search { margin: 1.5rem 0 2.25rem; }
.archive-search label { display: block; margin-bottom: .35rem; font-weight: bold; }
.archive-search input { width: min(100%, 32rem); border: 1px solid #a8aaa2; padding: .75rem; font: inherit; }
.site-footer { margin-top: 2rem; padding-top: 2rem; padding-bottom: 2.5rem; border-top: 1px solid var(--line); color: #5f635b; font-size: .9rem; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 1rem; }
.not-found { max-width: 50rem; margin: 0 auto; padding: 8rem 1.5rem; }
.dark-link { color: var(--ink); margin-left: 1rem; }
@media (max-width: 42rem) { .site-header { min-height: 4.75rem; flex-wrap: wrap; } .menu-toggle { display: block; } .site-nav { display: none; width: 100%; flex-direction: column; align-items: flex-start; padding: .5rem 0 1rem; } .site-nav.open { display: flex; } .hero { padding-top: 3.5rem; padding-bottom: 3.5rem; } .post-grid, .topic-links { grid-template-columns: 1fr; } .hero-actions { flex-wrap: wrap; } }