:root {
    --blue-50: #eff6ff;
    --blue-100: #dbeafe;
    --blue-500: #2878f0;
    --blue-600: #1769e0;
    --blue-700: #1557b8;
    --navy-950: #071c3d;
    --navy-900: #0b2448;
    --ink: #172033;
    --muted: #627089;
    --surface: #f7f9fc;
    --border: #dfe6ef;
    --success: #147a4b;
    --success-bg: #e6f7ef;
    --warning: #9a6510;
    --warning-bg: #fff7dd;
    --danger: #b42318;
    --danger-bg: #feeceb;
    --white: #fff;
    --shadow-sm: 0 1px 2px rgba(23, 32, 51, .04), 0 8px 24px rgba(37, 76, 122, .05);
    --shadow-md: 0 16px 50px rgba(31, 68, 116, .11);
    --radius-sm: 8px;
    --radius: 14px;
    --radius-lg: 22px;
    --shell: 1240px;
}

* { box-sizing: border-box; }
html { color-scheme: light; scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: var(--blue-600); text-decoration: none; }
a:hover { color: var(--blue-700); }
button, input, select { font: inherit; }
button, a, input, select { outline-offset: 3px; }
:focus-visible { outline: 3px solid rgba(40, 120, 240, .32); }
img, svg { display: block; max-width: 100%; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.18; letter-spacing: -.025em; }
h1 { font-size: clamp(2.15rem, 5vw, 4.4rem); }
h2 { font-size: clamp(1.45rem, 2.2vw, 2.05rem); }
h3 { font-size: 1.08rem; }
.shell { width: min(calc(100% - 40px), var(--shell)); margin-inline: auto; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 1000; top: 8px; left: 8px; padding: 10px 16px; background: var(--navy-950); color: #fff; border-radius: 6px; transform: translateY(-150%); }
.skip-link:focus { transform: none; }

.site-header { position: sticky; z-index: 30; top: 0; height: 70px; border-bottom: 1px solid rgba(223, 230, 239, .9); background: rgba(255, 255, 255, .94); backdrop-filter: blur(16px); }
.header-inner { height: 100%; display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font-size: .97rem; font-weight: 720; white-space: nowrap; }
.brand:hover { color: var(--ink); }
.brand strong { color: var(--blue-600); }
.brand-mark { width: 31px; height: 31px; display: grid; place-items: center; color: #fff; border-radius: 9px; background: linear-gradient(145deg, var(--blue-500), var(--blue-700)); box-shadow: 0 8px 18px rgba(37, 99, 235, .25); }
.brand-mark svg { width: 22px; fill: none; stroke: currentColor; stroke-width: 2; }
.primary-nav { display: flex; align-items: center; gap: 24px; margin-left: auto; }
.primary-nav a { color: #334157; font-size: .85rem; font-weight: 630; }
.primary-nav a:hover { color: var(--blue-600); }
.header-search { width: 168px; height: 38px; display: flex; align-items: center; gap: 7px; padding: 0 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); }
.header-search svg { width: 16px; fill: none; stroke: var(--muted); stroke-width: 2; }
.header-search input { min-width: 0; width: 100%; border: 0; outline: 0; background: transparent; color: var(--ink); font-size: .84rem; }
.nav-toggle { display: none; width: 40px; height: 40px; margin-left: auto; border: 0; border-radius: 9px; background: var(--surface); }
.nav-toggle span:not(.sr-only) { display: block; width: 19px; height: 2px; margin: 4px auto; background: var(--ink); }

.hero { overflow: hidden; border-bottom: 1px solid var(--border); background: radial-gradient(circle at 78% 40%, rgba(56, 132, 246, .16), transparent 25%), linear-gradient(125deg, #fff 35%, #f5f9ff 100%); }
.hero-grid { min-height: 560px; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr); align-items: center; gap: 72px; padding-block: 72px; }
.eyebrow { margin-bottom: 12px; color: var(--blue-600); font-size: .75rem; font-weight: 780; letter-spacing: .12em; text-transform: uppercase; }
.hero h1 { margin-bottom: 22px; font-weight: 800; }
.hero h1 span { color: var(--blue-600); }
.hero-lead { max-width: 620px; margin-bottom: 28px; color: var(--muted); font-size: 1.14rem; }
.hero-search, .search-page-form { display: flex; max-width: 660px; padding: 5px; border: 1px solid var(--border); border-radius: 13px; background: var(--white); box-shadow: var(--shadow-md); }
.hero-search input, .search-page-form input { flex: 1; min-width: 0; padding: 12px 16px; border: 0; outline: 0; color: var(--ink); background: transparent; }
.hero-search button, .search-page-form button, .dataset-filters button { padding: 12px 24px; border: 0; border-radius: 9px; color: #fff; background: linear-gradient(135deg, var(--blue-500), var(--blue-700)); font-weight: 720; cursor: pointer; box-shadow: 0 8px 18px rgba(37, 99, 235, .2); }
.popular-searches { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 16px; color: var(--muted); font-size: .78rem; }
.popular-searches a { padding: 4px 11px; border: 1px solid var(--border); border-radius: 999px; color: #4d5b71; background: rgba(255,255,255,.7); }
.preview-flag { display: inline-flex; padding: 5px 10px; margin-bottom: 14px; border-radius: 999px; color: var(--warning); background: var(--warning-bg); font-size: .78rem; font-weight: 700; }
.hero-data-card { position: relative; min-height: 380px; padding: 25px; border: 1px solid rgba(208, 221, 240, .9); border-radius: var(--radius-lg); background: rgba(255, 255, 255, .75); box-shadow: var(--shadow-md); backdrop-filter: blur(10px); }
.data-card-top { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: .82rem; }
.data-card-top strong { margin-left: auto; color: var(--ink); }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: #19b777; box-shadow: 0 0 0 5px rgba(25, 183, 119, .12); }
.data-orbit { position: relative; height: 245px; display: grid; place-items: center; }
.data-stack { position: relative; z-index: 2; width: 130px; height: 145px; display: grid; align-content: center; filter: drop-shadow(0 24px 28px rgba(24, 91, 189, .25)); }
.data-stack span { height: 45px; margin-top: -10px; border: 1px solid rgba(255,255,255,.55); border-radius: 50%; background: linear-gradient(145deg, #65a4ff, #1465df); box-shadow: inset 0 -12px 20px rgba(7,60,157,.2); }
.data-stack span:first-child { margin-top: 0; }
.orbit { position: absolute; border: 1px dashed rgba(37, 99, 235, .3); border-radius: 50%; }
.orbit--one { width: 260px; height: 110px; transform: rotate(15deg); }
.orbit--two { width: 220px; height: 190px; transform: rotate(-28deg); }
.data-card-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.data-card-metrics div { padding: 12px; border-radius: 10px; background: var(--surface); }
.data-card-metrics strong, .data-card-metrics span { display: block; }
.data-card-metrics strong { font-size: 1.05rem; }
.data-card-metrics span { color: var(--muted); font-size: .7rem; }

.section { padding-block: 72px; }
.section--tinted { border-block: 1px solid var(--border); background: var(--surface); }
.section--flush { padding-top: 18px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.section-heading h2 { margin: 0; }
.section-heading .eyebrow { margin-bottom: 6px; }
.section-heading > a { font-size: .86rem; font-weight: 680; }
.section-heading--compact { margin-block: 36px 18px; }
.home-guide { border-bottom: 1px solid var(--border); }
.home-guide__grid { display: grid; grid-template-columns: minmax(280px, .85fr) minmax(0, 1.15fr); gap: 72px; align-items: start; }
.home-guide__grid h2 { max-width: 500px; margin-bottom: 0; }
.home-guide__copy { max-width: 720px; color: var(--muted); }
.home-guide__copy p:last-child { margin-bottom: 0; }
.home-guide__copy a { font-weight: 650; }
.category-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.category-card { min-height: 240px; padding: 24px; border: 1px solid var(--border); border-radius: var(--radius); color: var(--ink); background: var(--white); box-shadow: var(--shadow-sm); transition: transform .2s, border-color .2s, box-shadow .2s; }
.category-card:hover { transform: translateY(-4px); border-color: var(--blue-100); color: var(--ink); box-shadow: var(--shadow-md); }
.category-icon { width: 44px; height: 44px; display: grid; place-items: center; margin-bottom: 20px; border-radius: 13px; color: #fff; background: var(--category-color); font-weight: 800; box-shadow: 0 8px 18px color-mix(in srgb, var(--category-color), transparent 70%); }
.category-card h3 { margin-bottom: 9px; }
.category-card p { min-height: 67px; color: var(--muted); font-size: .82rem; }
.card-link { color: var(--blue-600); font-size: .82rem; font-weight: 700; }
.dataset-card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.dataset-card { display: flex; min-height: 255px; flex-direction: column; padding: 26px; border: 1px solid var(--border); border-radius: var(--radius); color: var(--ink); background: #fff; box-shadow: var(--shadow-sm); transition: transform .2s, box-shadow .2s; }
.dataset-card:hover { color: var(--ink); transform: translateY(-3px); box-shadow: var(--shadow-md); }
.dataset-card__category { color: var(--blue-600); font-size: .72rem; font-weight: 760; letter-spacing: .08em; text-transform: uppercase; }
.dataset-card h3 { margin: 12px 0 9px; font-size: 1.18rem; }
.dataset-card p { color: var(--muted); font-size: .88rem; }
.dataset-card > div { display: flex; align-items: center; gap: 5px; margin-top: auto; color: var(--muted); font-size: .78rem; }
.dataset-card > div strong { color: var(--ink); }
.dataset-card > div span { margin-left: auto; color: var(--blue-600); font-weight: 680; }

.table-shell { overflow-x: auto; border: 1px solid var(--border); border-radius: 12px; background: #fff; box-shadow: var(--shadow-sm); }
.data-table { width: 100%; border-collapse: collapse; font-size: .84rem; }
.data-table caption { padding: 12px 16px; color: var(--muted); text-align: left; font-size: .75rem; }
.data-table th { padding: 12px 15px; border-bottom: 1px solid var(--border); color: #46536a; background: #f2f6fb; text-align: left; font-size: .72rem; font-weight: 760; letter-spacing: .02em; white-space: nowrap; }
.data-table td { padding: 13px 15px; border-bottom: 1px solid #edf1f6; vertical-align: middle; }
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table tbody tr:hover { background: #f9fbff; }
.data-table td:first-child a { color: var(--ink); font-weight: 650; }
.empty-cell { padding: 30px !important; color: var(--muted); text-align: center; }
.trust-strip { padding-block: 34px; border-top: 1px solid var(--border); background: var(--navy-950); color: #fff; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.trust-grid strong, .trust-grid span { display: block; }
.trust-grid strong { margin-bottom: 4px; color: #fff; }
.trust-grid span { color: #9fb2d0; font-size: .82rem; }

.page-shell { padding-block: 28px 80px; }
.breadcrumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 30px; color: var(--muted); font-size: .78rem; }
.breadcrumbs a { color: var(--blue-600); }
.content-with-rail { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 34px; align-items: start; }
.dataset-main { min-width: 0; }
.dataset-header { margin-bottom: 28px; }
.dataset-header h1 { margin-bottom: 14px; font-size: clamp(2rem, 4vw, 3.15rem); }
.dataset-summary { max-width: 820px; color: var(--muted); font-size: 1.04rem; }
.metadata-strip { display: grid; grid-template-columns: repeat(4, minmax(120px, 1fr)); margin: 25px 0 0; padding: 16px 20px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.metadata-strip div { padding: 0 16px; border-right: 1px solid var(--border); }
.metadata-strip div:first-child { padding-left: 0; }
.metadata-strip div:last-child { border: 0; }
.metadata-strip dt { color: var(--muted); font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; }
.metadata-strip dd { margin: 2px 0 0; font-weight: 680; }
.preview-banner { display: flex; gap: 12px; margin-bottom: 25px; padding: 12px 16px; border: 1px solid #f0d391; border-radius: 10px; color: #76500c; background: var(--warning-bg); font-size: .82rem; }
.preview-banner span { color: #84642b; }
.dataset-tool { margin-bottom: 15px; padding: 20px; border: 1px solid var(--border); border-radius: 12px; background: #fff; box-shadow: var(--shadow-sm); }
.tool-heading { display: flex; align-items: start; justify-content: space-between; gap: 20px; margin-bottom: 16px; }
.tool-heading h2 { margin-bottom: 4px; font-size: 1.18rem; }
.tool-heading p { margin: 0; color: var(--muted); font-size: .8rem; }
.download-actions { display: flex; gap: 7px; }
.download-actions a { padding: 7px 11px; border: 1px solid var(--blue-100); border-radius: 7px; background: var(--blue-50); font-size: .72rem; font-weight: 720; }
.dataset-filters { display: flex; flex-wrap: wrap; gap: 9px; }
.dataset-filters input, .dataset-filters select { height: 42px; padding: 0 12px; border: 1px solid var(--border); border-radius: 8px; color: var(--ink); background: #fff; font-size: .8rem; }
.dataset-filters input { min-width: 230px; }
.dataset-filters button { height: 42px; padding: 0 18px; }
.clear-filters { align-self: center; font-size: .8rem; font-weight: 650; }
.dataset-table-shell { border-radius: 10px; }
.dataset-table-caption__separator { color: #a4afbf; }
.dataset-table td { white-space: nowrap; }
.row-action { width: 30px; text-align: right; }
.row-action a { width: 28px; height: 28px; display: inline-grid; place-items: center; border-radius: 50%; background: var(--blue-50); }
.status-badge { display: inline-flex; align-items: center; padding: 3px 8px; border-radius: 999px; color: #42526a; background: #edf1f6; font-size: .68rem; font-weight: 720; }
.status-badge--active, .status-badge--published { color: var(--success); background: var(--success-bg); }
.status-badge--inactive, .status-badge--archived { color: var(--danger); background: var(--danger-bg); }
.status-badge--draft, .status-badge--review, .status-badge--historical { color: var(--warning); background: var(--warning-bg); }
.pagination { display: flex; align-items: center; justify-content: space-between; padding: 14px 4px; color: var(--muted); font-size: .78rem; }
.pagination div { display: flex; gap: 7px; }
.pagination a { padding: 6px 10px; border: 1px solid var(--border); border-radius: 7px; font-weight: 650; }
.record-card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.record-card-grid--directory { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.record-card { display: flex; flex-direction: column; min-width: 0; padding: 20px; border: 1px solid var(--border); border-radius: 12px; background: #fff; box-shadow: var(--shadow-sm); }
.record-card__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.record-card__key { color: var(--blue-600); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .73rem; font-weight: 760; overflow-wrap: anywhere; }
.record-card h3 { margin: 10px 0 14px; font-size: 1.05rem; }
.record-card dl { display: grid; gap: 8px; margin: 16px 0; }
.record-card dl div { display: grid; grid-template-columns: minmax(85px, .7fr) 1fr; gap: 12px; }
.record-card dt { color: var(--muted); font-size: .69rem; font-weight: 700; text-transform: uppercase; }
.record-card dd { min-width: 0; margin: 0; color: #334157; font-size: .8rem; overflow-wrap: anywhere; }
.record-card > a { margin-top: auto; padding-top: 10px; font-size: .78rem; font-weight: 700; }
.timeline-list { position: relative; display: grid; gap: 20px; margin: 0; padding: 0 0 0 34px; list-style: none; }
.timeline-list::before { position: absolute; top: 8px; bottom: 8px; left: 10px; width: 2px; background: var(--blue-100); content: ""; }
.timeline-list > li { position: relative; }
.timeline-dot { position: absolute; top: 18px; left: -30px; width: 14px; height: 14px; border: 3px solid #fff; border-radius: 50%; background: var(--blue-500); box-shadow: 0 0 0 2px var(--blue-100); }
.timeline-list article { padding: 18px 20px; border: 1px solid var(--border); border-radius: 12px; background: #fff; box-shadow: var(--shadow-sm); }
.timeline-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 18px; }
.timeline-heading h3 { margin: 0; font-size: 1rem; }
.timeline-heading span { color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .72rem; }
.timeline-list dl { display: flex; flex-wrap: wrap; gap: 12px 25px; margin: 14px 0; }
.timeline-list dl div { min-width: 120px; }
.timeline-list dt { color: var(--muted); font-size: .66rem; font-weight: 700; text-transform: uppercase; }
.timeline-list dd { margin: 3px 0 0; font-size: .79rem; }
.timeline-list article > a { font-size: .76rem; font-weight: 700; }
.statistics-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 22px; }
.statistics-grid > div { display: grid; gap: 4px; padding: 18px; border: 1px solid var(--border); border-radius: 11px; background: var(--surface); }
.statistics-grid span { color: var(--muted); font-size: .7rem; font-weight: 700; text-transform: uppercase; }
.statistics-grid strong { color: var(--navy-900); font-size: 1.55rem; }
.statistics-grid small { color: var(--muted); font-size: .68rem; }
.dataset-table-shell--matrix th { position: sticky; top: 0; z-index: 1; background: #f6f8fb; }
.prose { max-width: 800px; padding-top: 30px; }
.dataset-explanation { width: 100%; max-width: none; }
.prose h2 { margin-top: 34px; scroll-margin-top: 100px; }
.prose h3 { margin-top: 28px; }
.prose p, .prose li { color: #46536a; }
.prose dl { padding: 18px; border: 1px solid var(--border); border-radius: 10px; }
.prose dt { font-weight: 700; }
.prose dd { margin: 4px 0 0; color: var(--muted); }
.faq-list { display: grid; gap: 10px; margin: 18px 0 22px; }
.faq-list details { overflow: hidden; border: 1px solid var(--border); border-radius: 11px; background: #fff; box-shadow: var(--shadow-sm); transition: border-color .18s, box-shadow .18s; }
.faq-list details:hover { border-color: #c9d8eb; }
.faq-list details[open] { border-color: var(--blue-100); box-shadow: 0 8px 24px rgba(37, 76, 122, .08); }
.faq-list summary { position: relative; padding: 16px 50px 16px 18px; color: var(--ink); font-weight: 680; line-height: 1.42; list-style: none; cursor: pointer; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { position: absolute; top: 50%; right: 16px; width: 24px; height: 24px; display: grid; place-items: center; border-radius: 50%; color: var(--blue-700); background: var(--blue-50); content: "+"; font-size: 1.08rem; font-weight: 620; line-height: 1; transform: translateY(-50%); }
.faq-list details[open] summary { border-bottom: 1px solid var(--blue-100); color: var(--blue-700); background: var(--blue-50); }
.faq-list details[open] summary::after { color: #fff; background: var(--blue-600); content: "\2212"; }
.prose .faq-list p { margin: 0; padding: 16px 18px 18px; color: #46536a; background: #fff; }
.faq-list + p { margin-top: 0; padding: 15px 17px; border: 1px solid var(--blue-100); border-radius: 10px; color: #31527d; background: var(--blue-50); font-size: .92rem; }
.notice { padding: 16px 18px; border-left: 4px solid var(--blue-500); border-radius: 7px; background: var(--blue-50); color: #24456f; }
.source-list { display: grid; gap: 10px; }
.source-list article { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 16px 18px; border: 1px solid var(--border); border-radius: 10px; }
.source-list strong { color: var(--muted); font-size: .7rem; text-transform: uppercase; }
.source-list h3 { margin: 3px 0 0; font-size: .95rem; }
.source-list article > div:last-child { display: flex; align-items: center; gap: 14px; color: var(--muted); font-size: .75rem; }
.empty-message { color: var(--muted); }
.page-rail { position: sticky; top: 98px; display: grid; gap: 14px; }
.rail-card { padding: 20px; border: 1px solid var(--border); border-radius: 11px; background: #fff; box-shadow: var(--shadow-sm); }
.rail-card h2 { margin-bottom: 14px; font-size: .92rem; }
.rail-card > a { display: block; padding: 7px 0 7px 10px; border-left: 2px solid var(--blue-100); color: #40506a; font-size: .78rem; }
.rail-card > a:hover { border-color: var(--blue-500); color: var(--blue-600); }
.rail-card p { margin: 12px 0 0; color: var(--muted); font-size: .78rem; }
.rail-card dl, .rail-card dd { margin: 0; }
.rail-card dl div { display: flex; justify-content: space-between; gap: 10px; padding: 7px 0; border-bottom: 1px solid #edf1f6; font-size: .75rem; }
.rail-card dl div:last-child { border: 0; }
.rail-card dt { color: var(--muted); }
.rail-card dd { font-weight: 650; }
.rail-card--accent { color: #fff; background: linear-gradient(145deg, var(--navy-900), var(--navy-950)); }
.rail-card--accent p { color: #b5c3d8; }
.button-link { display: inline-flex !important; margin-top: 14px; padding: 8px 12px !important; border: 0 !important; border-radius: 7px; color: #fff !important; background: var(--blue-600); }
.record-details { display: grid; grid-template-columns: repeat(2, 1fr); margin: 0; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.record-details div { padding: 18px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.record-details div:nth-child(even) { border-right: 0; }
.record-details dt { color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; }
.record-details dd { margin: 5px 0 0; font-weight: 650; }
.record-actions { display: flex; gap: 12px; margin-top: 20px; }
.record-actions button, .record-actions a { padding: 9px 14px; border: 1px solid var(--border); border-radius: 8px; background: #fff; color: var(--blue-600); font-weight: 650; cursor: pointer; }

.page-hero { padding-block: 30px; }
.page-hero--compact { max-width: 830px; padding: 18px 0 34px; }
.page-hero--compact h1 { margin-bottom: 13px; font-size: clamp(2.2rem, 4vw, 3.45rem); }
.page-hero--compact > p:last-of-type { color: var(--muted); font-size: 1.02rem; }
.category-stats { display: flex; gap: 12px; margin-top: 20px; }
.category-stats span { padding: 8px 12px; border-radius: 8px; background: var(--surface); color: var(--muted); font-size: .78rem; }
.category-stats strong { color: var(--ink); }
.empty-panel { grid-column: 1 / -1; padding: 50px; border: 1px dashed #c9d5e5; border-radius: 14px; text-align: center; background: var(--surface); }
.empty-panel p { margin: 0; color: var(--muted); }
.search-page { max-width: 960px; }
.search-page-form { max-width: 780px; box-shadow: var(--shadow-sm); }
.result-summary { color: var(--muted); }
.search-group { margin-top: 42px; }
.search-group h2 { margin-bottom: 15px; font-size: 1.25rem; }
.search-results { border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.search-results > a { display: grid; grid-template-columns: 75px 1fr 20px; gap: 18px; align-items: center; padding: 17px 20px; border-bottom: 1px solid var(--border); color: var(--ink); }
.search-results > a:last-child { border: 0; }
.search-results > a:hover { background: var(--surface); }
.search-results h3 { margin: 0 0 3px; font-size: .98rem; }
.search-results p { margin: 0; color: var(--muted); font-size: .8rem; }
.result-type { color: var(--blue-600); font-size: .68rem; font-weight: 760; text-transform: uppercase; }
.error-page { max-width: 760px; padding-block: 100px; text-align: center; }
.error-code { margin: 0; color: var(--blue-600); font-size: 4rem; font-weight: 850; line-height: 1; }
.error-page h1 { margin: 18px 0 12px; font-size: 2.2rem; }
.error-page > p { color: var(--muted); }
.error-page .search-page-form { margin: 28px auto 18px; }
.text-link { font-weight: 680; }
.request-id { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .8rem; }

.site-footer { padding-top: 55px; color: #d8e2f1; background: linear-gradient(145deg, var(--navy-900), var(--navy-950)); }
.footer-grid { display: grid; grid-template-columns: 1.35fr repeat(3, 1fr); gap: 55px; padding-bottom: 42px; }
.brand--footer { color: #fff; }
.brand--footer:hover { color: #fff; }
.footer-grid h2 { margin: 6px 0 14px; color: #fff; font-size: .8rem; letter-spacing: .04em; }
.footer-grid p { max-width: 300px; color: #9fb2d0; font-size: .78rem; }
.footer-grid > div:not(:first-child) a { display: block; padding: 3px 0; color: #b9c8dc; font-size: .76rem; }
.footer-bottom { display: flex; justify-content: space-between; padding-block: 18px; border-top: 1px solid rgba(255,255,255,.1); color: #8197b7; font-size: .7rem; }
.footer-bottom a { color: inherit; }
.footer-bottom a:hover { color: #d8e2f1; }

@media (max-width: 1080px) {
    .primary-nav { gap: 15px; }
    .primary-nav a:nth-last-child(2) { display: none; }
    .hero-grid { gap: 36px; }
    .category-grid { grid-template-columns: repeat(3, 1fr); }
    .category-card { min-height: 220px; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 820px) {
    .shell { width: min(calc(100% - 28px), var(--shell)); }
    .site-header { height: 64px; }
    .nav-toggle { display: block; }
    .primary-nav { position: absolute; top: 64px; left: 14px; right: 14px; display: none; padding: 14px; border: 1px solid var(--border); border-radius: 12px; background: #fff; box-shadow: var(--shadow-md); }
    .primary-nav.is-open { display: grid; }
    .primary-nav a, .primary-nav a:nth-last-child(2) { display: block; padding: 8px 10px; }
    .header-search { display: none; }
    .hero-grid { min-height: auto; grid-template-columns: 1fr; padding-block: 55px; }
    .hero-data-card { min-height: 300px; }
    .data-orbit { height: 175px; }
    .data-stack { width: 100px; height: 110px; }
    .data-stack span { height: 35px; }
    .orbit--one { width: 210px; }
    .orbit--two { width: 180px; height: 140px; }
    .section { padding-block: 52px; }
    .category-grid, .dataset-card-grid { grid-template-columns: repeat(2, 1fr); }
    .record-card-grid, .record-card-grid--directory { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .statistics-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .trust-grid { grid-template-columns: repeat(2, 1fr); }
    .content-with-rail { grid-template-columns: 1fr; }
    .home-guide__grid { grid-template-columns: 1fr; gap: 20px; }
    .page-rail { position: static; grid-template-columns: repeat(2, 1fr); }
    .metadata-strip { grid-template-columns: repeat(2, 1fr); gap: 16px 0; }
    .metadata-strip div:nth-child(2) { border-right: 0; }
    .dataset-table caption { padding: 0 2px 10px; font-size: .78rem; white-space: normal; }
    .dataset-table-caption__title, .dataset-table-caption__count { display: block; width: min(calc(100vw - 34px), 100%); }
    .dataset-table-caption__title { margin-bottom: 2px; color: #46536a; font-weight: 650; line-height: 1.4; }
    .dataset-table-caption__separator { display: none; }
    .dataset-table-caption__count { color: var(--muted); font-size: .74rem; }
    .footer-grid { gap: 35px; }
}

@media (max-width: 560px) {
    body { font-size: 15px; }
    .hero-grid { padding-block: 42px; }
    .hero h1 { font-size: 2.55rem; }
    .hero-search, .search-page-form { display: grid; }
    .hero-search button, .search-page-form button { width: 100%; }
    .hero-data-card { display: none; }
    .category-grid, .dataset-card-grid, .trust-grid, .footer-grid, .page-rail { grid-template-columns: 1fr; }
    .record-card-grid, .record-card-grid--directory, .statistics-grid { grid-template-columns: 1fr; }
    .category-card { min-height: 0; }
    .category-card p { min-height: 0; }
    .section-heading { align-items: start; }
    .section-heading > a { display: none; }
    .update-table th:nth-child(2), .update-table td:nth-child(2), .update-table th:nth-child(3), .update-table td:nth-child(3) { display: none; }
    .preview-banner { display: grid; }
    .metadata-strip { grid-template-columns: 1fr 1fr; padding: 14px; }
    .metadata-strip div { padding-inline: 8px; }
    .dataset-filters { display: grid; grid-template-columns: 1fr 1fr; }
    .dataset-filters .search-control { grid-column: 1 / -1; }
    .dataset-filters input, .dataset-filters select, .dataset-filters label { width: 100%; min-width: 0; }
    .dataset-table-shell { overflow: visible; border: 0; box-shadow: none; }
    .dataset-table { display: block; }
    .dataset-table caption { display: block; width: 100%; }
    .dataset-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
    .dataset-table tbody { display: grid; gap: 12px; }
    .dataset-table tr { display: grid; padding: 13px; border: 1px solid var(--border); border-radius: 11px; background: #fff; box-shadow: var(--shadow-sm); }
    .dataset-table td { display: grid; grid-template-columns: minmax(90px, .7fr) 1fr; gap: 12px; padding: 7px 4px; border: 0; white-space: normal; }
    .dataset-table td::before { content: attr(data-label); color: var(--muted); font-size: .69rem; font-weight: 700; text-transform: uppercase; }
    .dataset-table .row-action { display: block; width: auto; padding-top: 10px; border-top: 1px solid var(--border); text-align: right; }
    .dataset-table .row-action::before { display: none; }
    .record-details { grid-template-columns: 1fr; }
    .record-details div, .record-details div:nth-child(even) { border-right: 0; }
    .faq-list summary { padding: 14px 46px 14px 15px; }
    .faq-list summary::after { right: 13px; }
    .prose .faq-list p { padding: 14px 15px 16px; }
    .source-list article, .tool-heading { display: grid; }
    .source-list article > div:last-child { justify-content: space-between; }
    .search-results > a { grid-template-columns: 1fr 20px; }
    .result-type { grid-column: 1 / -1; }
    .footer-bottom { display: grid; gap: 5px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}