/* USAHousingData preview: one stylesheet, no external assets. */
:root {
  color-scheme: light;
  --bg: #f7f6f2;
  --surface: #ffffff;
  --surface-2: #eef1f4;
  --ink: #0f1c2b;
  --ink-2: #44505e;
  --ink-3: #6a7582;
  --line: #d9dde2;
  --brand: #123a5c;
  --brand-ink: #ffffff;
  --accent: #1f6fb2;
  --accent-soft: #e3eef8;
  --series-1: #2a78d6;
  --live: #1d7a4b;
  --live-bg: #e2f3ea;
  --planned: #7a5a12;
  --planned-bg: #f7edd6;
  --warn-bg: #fff6e0;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(15, 28, 43, .06), 0 4px 16px rgba(15, 28, 43, .05);
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0e141b; --surface: #151d26; --surface-2: #1b2530; --ink: #edf1f5; --ink-2: #b9c3ce; --ink-3: #8d98a5;
    --line: #2a3542; --brand: #9fd3ff; --brand-ink: #0e141b; --accent: #7fbfff; --accent-soft: #16283a;
    --series-1: #3987e5; --live: #7fd6a6; --live-bg: #13301f; --planned: #f0c46a; --planned-bg: #33280f; --warn-bg: #2b2412;
    --shadow: none;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0e141b; --surface: #151d26; --surface-2: #1b2530; --ink: #edf1f5; --ink-2: #b9c3ce; --ink-3: #8d98a5;
  --line: #2a3542; --brand: #9fd3ff; --brand-ink: #0e141b; --accent: #7fbfff; --accent-soft: #16283a;
  --series-1: #3987e5; --live: #7fd6a6; --live-bg: #13301f; --planned: #f0c46a; --planned-bg: #33280f; --warn-bg: #2b2412;
  --shadow: none;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 var(--sans); overflow-x: hidden; }
a { color: var(--accent); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -.01em; margin: 0 0 .5em; }
h1 { font-size: clamp(1.8rem, 1.2rem + 2.6vw, 2.9rem); }
h2 { font-size: clamp(1.25rem, 1.05rem + .8vw, 1.6rem); margin-top: 2.2rem; }
h3 { font-size: 1.1rem; }
p { margin: 0 0 1em; }
.wrap { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 28px; } }
.mono { font-family: var(--mono); font-size: .9em; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.skip { position: absolute; left: -999px; top: 0; background: var(--surface); padding: 8px 12px; z-index: 10; }
.skip:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.preview-bar { background: var(--warn-bg); color: var(--ink); font-size: .85rem; padding: 6px 16px; text-align: center; border-bottom: 1px solid var(--line); }

/* Header */
.site-head { background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.head-row { display: flex; align-items: center; gap: 16px; min-height: 60px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 600; font-size: 1.1rem; }
.brand b, .foot-brand b { color: var(--accent); font-weight: 700; }
.logo-bg { fill: #123a5c; } .logo-hi { fill: #9fd3ff; }
.nav { display: flex; gap: 4px; margin-left: auto; overflow-x: auto; scrollbar-width: none; max-width: 100%; }
.nav::-webkit-scrollbar { display: none; }
.nav a { white-space: nowrap; color: var(--ink-2); text-decoration: none; padding: 8px 10px; border-radius: 8px; font-size: .93rem; }
.nav a:hover { background: var(--surface-2); color: var(--ink); }
.nav a[aria-current="page"] { color: var(--ink); background: var(--accent-soft); }
.nav .nav-cta { background: var(--brand); color: var(--brand-ink); font-weight: 600; }
.nav .nav-cta:hover { background: var(--brand); color: var(--brand-ink); opacity: .92; }
@media (max-width: 900px) {
  .head-row { padding-top: 8px; gap: 4px; }
  .nav { margin-left: 0; width: 100%; padding-bottom: 8px; mask-image: linear-gradient(90deg, #000 88%, transparent); }
  .nav .nav-cta { order: -1; }
}

/* Hero */
.hero { background: linear-gradient(180deg, var(--surface) 0%, var(--bg) 100%); border-bottom: 1px solid var(--line); padding: 44px 0 40px; }
.hero-grid { display: grid; gap: 32px; align-items: start; }
@media (min-width: 900px) { .hero-grid { grid-template-columns: 1.35fr 1fr; gap: 48px; } }
.eyebrow { text-transform: uppercase; letter-spacing: .08em; font-size: .75rem; font-weight: 700; color: var(--accent); margin-bottom: .6rem; }
.eyebrow a { color: inherit; }
.lede { font-size: 1.12rem; color: var(--ink-2); max-width: 62ch; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 1.4rem; }
.btn { display: inline-block; background: var(--brand); color: var(--brand-ink); text-decoration: none; font-weight: 600; padding: 11px 18px; border-radius: 8px; border: 1px solid var(--brand); }
.btn:hover { opacity: .92; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.hero-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.card-k { font-size: .75rem; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); font-weight: 700; margin-bottom: .5rem; }
.kv { margin: 0 0 .4rem; }
.kv div { display: flex; justify-content: space-between; gap: 12px; padding: 7px 0; border-bottom: 1px solid var(--line); }
.kv dt { color: var(--ink-2); }
.kv dd { margin: 0; font-weight: 700; font-variant-numeric: tabular-nums; }

.page-head { padding: 36px 16px 8px; }
@media (min-width: 720px) { .page-head { padding: 44px 28px 8px; } }
.band { padding-top: 12px; }
.section-lede { color: var(--ink-2); max-width: 72ch; }
.src { font-size: .82rem; color: var(--ink-3); margin-top: .6rem; max-width: 95ch; }
.note { font-size: .92rem; color: var(--ink-2); }

.steps { list-style: none; padding: 0; margin: 1rem 0 0; display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); counter-reset: s; }
.steps li { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; counter-increment: s; }
.steps b { display: block; margin-bottom: 4px; }
.steps b::before { content: counter(s) " · "; color: var(--accent); }
.steps span { color: var(--ink-2); font-size: .93rem; }

.cards { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); margin-top: 1rem; }
.card { display: block; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; color: var(--ink); text-decoration: none; box-shadow: var(--shadow); }
.card:hover { border-color: var(--accent); }
.card p { color: var(--ink-2); }
.card .src { margin: 0; }

.split { display: grid; gap: 32px; }
@media (min-width: 900px) { .split { grid-template-columns: 1fr 1fr; gap: 48px; } }
.net { padding-left: 1.1rem; }
.net li { margin-bottom: .5rem; }

.stats { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); margin-top: 1rem; }
.stats > div { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.stats .k { font-size: .8rem; color: var(--ink-3); margin: 0 0 4px; font-weight: 600; }
.stats .v { font-size: 1.55rem; font-weight: 700; margin: 0; font-variant-numeric: tabular-nums; }
.stats .s { font-size: .8rem; color: var(--ink-3); margin: 4px 0 0; }

/* Tables: scroll inside their wrapper, never the page */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); margin-top: .8rem; max-width: 100%; }
.table-wrap.narrow { max-width: 560px; }
table.data, table.info { border-collapse: collapse; width: 100%; font-size: .9rem; }
table.data th, table.data td, table.info th, table.info td { padding: 8px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
table.data thead th, table.info thead th { background: var(--surface-2); font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-2); white-space: nowrap; position: sticky; top: 0; }
table.data tbody th { font-weight: 600; }
table.data .mono { white-space: nowrap; }
table.data .n { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
table.data tbody tr:hover { background: var(--accent-soft); }
table.data tbody tr:last-child th, table.data tbody tr:last-child td { border-bottom: 0; }
table.reg td { min-width: 150px; font-size: .84rem; }
table.layers { margin: 1rem 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }

/* Single-series bars: one hue, value labels, 2px gaps */
.bars { list-style: none; margin: 1rem 0 0; padding: 0; display: grid; gap: 2px; }
.bars li { display: grid; grid-template-columns: minmax(0, 15rem) 1fr auto; align-items: center; gap: 10px; padding: 3px 4px; border-radius: 6px; }
.bars li:hover { background: var(--accent-soft); }
.bl { font-size: .86rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--ink); }
.bt { height: 14px; display: block; }
.bf { display: block; height: 100%; background: var(--series-1); border-radius: 0 4px 4px 0; }
.bv { font-size: .84rem; font-variant-numeric: tabular-nums; color: var(--ink-2); min-width: 4.5ch; text-align: right; }
@media (max-width: 560px) {
  .bars li { grid-template-columns: 1fr auto; grid-template-areas: "l v" "b b"; row-gap: 3px; }
  .bl { grid-area: l; } .bv { grid-area: v; } .bt { grid-area: b; }
}
@media (forced-colors: active) { .bf { background: CanvasText; } }

details.more { margin-top: 1rem; }
details.more summary { cursor: pointer; font-weight: 600; color: var(--accent); }

.callout { margin: 2.4rem 0 1rem; background: var(--accent-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; display: flex; gap: 16px; flex-wrap: wrap; align-items: center; justify-content: space-between; }
.callout p { margin: 0; max-width: 70ch; }

.products { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); margin-top: .6rem; }
.prod { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.prod h2 { margin-top: .3rem; font-size: 1.2rem; }
.prod p { color: var(--ink-2); font-size: .94rem; }
.status { display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; padding: 3px 9px; border-radius: 999px; margin: 0; }
.status.live { background: var(--live-bg); color: var(--live); }
.status.planned { background: var(--planned-bg); color: var(--planned); }
.notyet { background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--planned); border-radius: var(--radius); padding: 18px 20px; }
.check { padding-left: 1.2rem; }
.check li { margin-bottom: .35rem; }
.pill { display: inline-block; font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; padding: 2px 7px; border-radius: 999px; background: var(--surface-2); color: var(--ink-2); margin-right: 4px; }
.pill.ok-government, .pill.ok-internal { background: var(--live-bg); color: var(--live); }
.pill.blocked, .pill.pending-review, .pill.needs-verification { background: var(--planned-bg); color: var(--planned); }
.notices { padding-left: 1.2rem; color: var(--ink-2); }

.prose { max-width: 820px; }
.prose li { margin-bottom: .4rem; }
.quote { border-left: 4px solid var(--accent); padding: 10px 16px; background: var(--surface); font-style: italic; }

.form-frame iframe { width: 100%; min-height: 835px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }

.site-foot { margin-top: 64px; background: var(--surface); border-top: 1px solid var(--line); padding: 32px 0 24px; font-size: .9rem; color: var(--ink-2); }
.foot-grid { display: grid; gap: 24px; }
@media (min-width: 800px) { .foot-grid { grid-template-columns: 2fr 1fr 1fr; } }
.foot-grid a { display: block; color: var(--ink-2); padding: 3px 0; }
.foot-brand { font-weight: 600; color: var(--ink); font-size: 1.05rem; }
.foot-h { font-weight: 700; color: var(--ink); margin-bottom: .4rem; }
.foot-legal { border-top: 1px solid var(--line); margin-top: 20px; padding-top: 16px; font-size: .8rem; color: var(--ink-3); }