:root {
  --bia-black: #050505;
  --bia-ink: #0b0b0b;
  --bia-panel: #111111;
  --bia-panel-raised: #171717;
  --bia-line: #353535;
  --bia-line-strong: #666666;
  --bia-white: #f5f5f3;
  --bia-muted: #b6b6b1;
  --bia-faint: #888883;
  --bia-signal: #55d9df;
  --bia-focus: #78e6eb;
  --font-interface: Inter, Arial, sans-serif;
  --font-system: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  --content-wide: 1672px;
  --content-readable: 760px;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;
  --radius-sm: 2px;
  --radius-md: 6px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bia-black); color: var(--bia-white); font-family: var(--font-interface); line-height: 1.6; }
img { display: block; max-width: 100%; }
a { color: inherit; }
button, input, select { font: inherit; }
button, select { cursor: pointer; }
h1, h2, h3, p, figure { margin-top: 0; }
h1, h2, h3 { line-height: 1.08; text-wrap: balance; }
h1 { font-size: clamp(2.8rem, 7vw, 7.25rem); letter-spacing: -0.065em; }
h2 { font-size: clamp(2rem, 4vw, 4.25rem); letter-spacing: -0.045em; }
h3 { font-size: clamp(1.1rem, 1.7vw, 1.45rem); }

.skip-link { position: fixed; left: var(--space-4); top: var(--space-4); z-index: 100; padding: var(--space-3) var(--space-4); background: var(--bia-white); color: var(--bia-black); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid var(--bia-focus); outline-offset: 3px; }
.system-label { margin-bottom: var(--space-4); color: var(--bia-muted); font-family: var(--font-system); font-size: 0.72rem; letter-spacing: 0.13em; text-transform: uppercase; }
.button { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; border: 1px solid var(--bia-line-strong); border-radius: var(--radius-sm); padding: 0.7rem 1rem; font-family: var(--font-system); font-size: 0.76rem; letter-spacing: 0.08em; text-decoration: none; text-transform: uppercase; }
.button-primary { background: var(--bia-white); color: var(--bia-black); }
.button-primary:hover { background: var(--bia-signal); }
.button-secondary { background: transparent; color: var(--bia-white); }
.button-secondary:hover { border-color: var(--bia-white); }
.text-link { display: inline-flex; min-height: 44px; align-items: center; color: var(--bia-white); font-family: var(--font-system); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; text-underline-offset: 0.3em; }

.site-header { position: sticky; top: 0; z-index: 50; width: min(100%, var(--content-wide)); min-height: 92px; margin: 0 auto; padding: var(--space-3) clamp(var(--space-4), 4vw, var(--space-8)); border-bottom: 1px solid var(--bia-line); display: flex; align-items: center; justify-content: space-between; gap: var(--space-8); background: rgba(5, 5, 5, 0.97); }
.brand-link { display: inline-flex; align-items: center; gap: var(--space-3); text-decoration: none; }
.brand-link .site-mark { width: clamp(180px, 18vw, 300px); height: 66px; object-fit: contain; object-position: left center; }
.brand-link span { display: grid; }
.brand-link strong { font-family: var(--font-system); font-size: 0.95rem; letter-spacing: 0.18em; }
.brand-link small { color: var(--bia-muted); font-family: var(--font-system); font-size: 0.62rem; letter-spacing: 0.07em; text-transform: uppercase; }
.site-navigation { display: flex; align-items: center; gap: clamp(var(--space-4), 2.5vw, var(--space-8)); }
.site-navigation a { position: relative; min-height: 44px; display: inline-flex; align-items: center; color: var(--bia-muted); font-size: 0.82rem; text-decoration: none; }
.site-navigation a:hover, .site-navigation a[aria-current="page"] { color: var(--bia-white); }
.site-navigation a[aria-current="page"]::after { content: ""; position: absolute; right: 0; bottom: 3px; left: 0; height: 1px; background: var(--bia-signal); }
.site-navigation .nav-action { padding: 0.65rem 0.9rem; border: 1px solid var(--bia-line-strong); color: var(--bia-white); font-family: var(--font-system); font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; }
.menu-toggle { display: none; min-height: 44px; border: 1px solid var(--bia-line-strong); padding: 0.65rem 0.9rem; background: var(--bia-black); color: var(--bia-white); font-family: var(--font-system); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; }

.public-home main, .site-footer { width: min(100%, var(--content-wide)); margin: 0 auto; }
.narrative-hero, .visibility-section, .featured-section, .method-section, .about-section { padding: var(--space-24) clamp(var(--space-4), 5vw, var(--space-16)); border-bottom: 1px solid var(--bia-line); }
.narrative-hero { position: relative; isolation: isolate; min-height: min(850px, calc(100vh - 92px)); display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr); align-items: center; gap: clamp(var(--space-8), 6vw, var(--space-24)); overflow: hidden; background: var(--bia-black); }
.narrative-hero::before { content: ""; position: absolute; z-index: -1; inset: 0; background: linear-gradient(90deg, rgba(0, 0, 0, 0.35), rgba(0, 0, 0, 0.9)), url("../records/bia-006-sarah-goode-patent.png") center / cover; opacity: 0.13; filter: invert(1) grayscale(1); }
.hero-copy { padding-block: var(--space-8); }
.narrative-hero h1 { max-width: 9ch; font-size: clamp(3.8rem, 5.25vw, 5.5rem); line-height: 0.96; }
.hero-copy > p:not(.system-label) { max-width: 62ch; color: var(--bia-muted); font-size: clamp(1rem, 1.6vw, 1.3rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-8); }
.hero-proof { margin-top: var(--space-8); padding-top: var(--space-4); border-top: 1px solid var(--bia-line); font-family: var(--font-system); font-size: 0.72rem !important; letter-spacing: 0.11em; text-transform: uppercase; }
.home-console { align-self: start; display: grid; gap: var(--space-5); margin-top: var(--space-12); }
.hero-lockup { margin: 0; border: 1px solid var(--bia-line); background: var(--bia-ink); }
.hero-lockup img { width: 100%; }
.home-metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid var(--bia-line); background: rgba(5, 5, 5, 0.85); }
.public-metric { min-width: 0; min-height: 150px; padding: var(--space-5); border-right: 1px solid var(--bia-line); }
.public-metric:last-child { border-right: 0; }
.public-metric strong, .public-metric span, .public-metric small { display: block; }
.public-metric strong { font-family: var(--font-system); font-size: clamp(1.8rem, 3vw, 2.8rem); line-height: 1; }
.public-metric span { margin-top: var(--space-3); color: var(--bia-white); font-family: var(--font-system); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; }
.public-metric small { margin-top: var(--space-2); color: var(--bia-faint); font-size: 0.72rem; line-height: 1.35; }
.visibility-callout { display: grid; grid-template-columns: 0.7fr 1.3fr; gap: var(--space-5); padding: var(--space-5); border: 1px solid var(--bia-line); color: var(--bia-muted); text-decoration: none; }
.visibility-callout span { color: var(--bia-white); font-family: var(--font-system); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; }
.visibility-callout strong { font-weight: 400; }

.visibility-section > h2, .section-heading h2, .method-section h2, .about-section h2 { max-width: 920px; }
.visibility-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: var(--space-12); border-top: 1px solid var(--bia-line); border-bottom: 1px solid var(--bia-line); }
.visibility-grid article { min-height: 280px; padding: var(--space-8); border-right: 1px solid var(--bia-line); }
.visibility-grid article:last-child { border-right: 0; }
.visibility-grid span { display: inline-block; margin-bottom: var(--space-16); color: var(--bia-faint); font-family: var(--font-system); font-size: 0.75rem; }
.visibility-grid p { color: var(--bia-muted); }

.featured-records { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); margin: var(--space-12) 0 var(--space-6); }
.featured-card { min-height: 300px; padding: var(--space-6); border: 1px solid var(--bia-line); background: var(--bia-panel); }
.featured-card:hover { border-color: var(--bia-line-strong); background: var(--bia-panel-raised); }
.featured-card .record-id { color: var(--bia-faint); font-family: var(--font-system); font-size: 0.7rem; letter-spacing: 0.1em; }
.featured-card p { color: var(--bia-muted); }
.featured-page-main { width: min(100%, var(--content-wide)); margin: 0 auto; }
.featured-hero { position: relative; isolation: isolate; min-height: 260px; padding: var(--space-6) clamp(var(--space-4), 4vw, var(--space-16)); border-bottom: 1px solid var(--bia-line); display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, 0.7fr); align-items: center; gap: var(--space-12); overflow: hidden; }
.featured-hero::before { content: ""; position: absolute; z-index: -1; inset: 0; background: linear-gradient(90deg, rgba(0, 0, 0, 0.15), rgba(0, 0, 0, 0.9)), url("../records/bia-011-sarah-boone-patent.png") center / cover; opacity: 0.12; filter: invert(1) grayscale(1); }
.featured-hero h1 { margin-bottom: var(--space-4); font-size: clamp(3rem, 4.5vw, 4.75rem); }
.featured-hero p:not(.system-label) { max-width: 58ch; color: var(--bia-muted); }
.featured-hero figure { width: min(100%, 440px); margin: 0; justify-self: end; }
.featured-records-section { padding: var(--space-6) clamp(var(--space-4), 4vw, var(--space-16)) var(--space-12); border-bottom: 1px solid var(--bia-line); }
.featured-records-section .section-heading { display: flex; align-items: end; justify-content: space-between; gap: var(--space-8); }
.featured-records-section .section-heading .system-label { margin-bottom: 0; }
.featured-records-section .section-heading h2 { margin-bottom: 0; font-family: var(--font-system); font-size: clamp(1rem, 1.5vw, 1.3rem); font-weight: 400; letter-spacing: 0.04em; text-transform: uppercase; }
.featured-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-4); margin-top: var(--space-6); }
.featured-record-card { position: relative; min-width: 0; border: 1px solid var(--bia-line-strong); background: rgba(8, 8, 8, 0.92); }
.record-sequence { position: absolute; z-index: 2; top: var(--space-3); left: var(--space-3); min-width: 36px; min-height: 36px; display: grid; place-items: center; border: 1px solid var(--bia-line-strong); background: var(--bia-black); font-family: var(--font-system); font-size: 0.78rem; }
.featured-record-card .record-visual { aspect-ratio: 4 / 3; border: 0; border-bottom: 1px solid var(--bia-line); }
.featured-record-content { padding: var(--space-5); }
.featured-record-content .system-label { margin-bottom: var(--space-3); }
.featured-record-content h3 { min-height: 2.4em; margin-bottom: var(--space-3); font-size: clamp(1.35rem, 2vw, 2rem); }
.featured-record-content .record-contribution { min-height: 3em; color: var(--bia-muted); }
.featured-record-content .record-field { padding-top: var(--space-4); border-top: 1px solid var(--bia-line); color: var(--bia-faint); font-family: var(--font-system); font-size: 0.68rem; letter-spacing: 0.06em; text-transform: uppercase; }
.featured-evidence-band { padding: var(--space-12) clamp(var(--space-4), 4vw, var(--space-16)); display: grid; grid-template-columns: minmax(0, 1.4fr) auto; align-items: end; gap: var(--space-12); }
.featured-evidence-band h2 { max-width: 720px; font-size: clamp(1.8rem, 3vw, 3.2rem); }
.featured-evidence-band p:not(.system-label) { max-width: 76ch; color: var(--bia-muted); }
.featured-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.visibility-page-main, .methodology-page-main { width: min(100%, var(--content-wide)); margin: 0 auto; }
.visibility-hero { position: relative; isolation: isolate; min-height: 480px; padding: var(--space-8) clamp(var(--space-4), 5vw, var(--space-16)); border-bottom: 1px solid var(--bia-line); display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(380px, 0.85fr); align-items: center; gap: var(--space-16); overflow: hidden; }
.visibility-hero::before, .methodology-hero::before { content: ""; position: absolute; z-index: -1; inset: 0; background: url("../records/bia-006-sarah-goode-patent.png") center / cover; opacity: 0.1; filter: invert(1) grayscale(1); }
.visibility-copy h1 { max-width: 18ch; margin-bottom: var(--space-5); font-size: clamp(3rem, 4vw, 4.3rem); line-height: 1.02; }
.visibility-copy > p:not(.system-label) { max-width: 64ch; color: var(--bia-muted); font-size: 1.05rem; }
.visibility-console { min-height: 400px; padding: var(--space-8); border: 1px solid var(--bia-line); display: grid; align-content: center; background: rgba(5, 5, 5, 0.86); }
.visibility-console p { max-width: 52ch; margin: var(--space-6) auto 0; color: var(--bia-muted); text-align: center; }
.visibility-architecture { padding: var(--space-8) clamp(var(--space-4), 4vw, var(--space-16)); border-bottom: 1px solid var(--bia-line); }
.visibility-architecture .section-heading { display: flex; align-items: end; justify-content: space-between; gap: var(--space-8); }
.visibility-architecture .section-heading h2 { max-width: 780px; margin-bottom: 0; font-size: clamp(1.6rem, 3vw, 3rem); }
.visibility-flow { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-16); margin-top: var(--space-8); }
.visibility-flow article { position: relative; min-height: 300px; padding: var(--space-6); border: 1px solid var(--bia-line-strong); background: rgba(8, 8, 8, 0.92); }
.visibility-flow article:not(:last-child)::after { content: ""; position: absolute; top: 50%; right: calc(var(--space-16) * -1); width: var(--space-16); height: 1px; background: var(--bia-line-strong); }
.visibility-flow article > span { float: left; width: 42px; height: 42px; margin: 0 var(--space-4) var(--space-4) 0; border: 1px solid var(--bia-line-strong); display: grid; place-items: center; border-radius: 50%; font-family: var(--font-system); font-size: 0.75rem; }
.visibility-flow article .system-label { min-height: 42px; margin-bottom: var(--space-5); padding-top: 0.25rem; color: var(--bia-white); }
.visibility-flow article h3 { clear: both; padding-top: var(--space-5); border-top: 1px solid var(--bia-line); }
.visibility-flow article p:not(.system-label) { color: var(--bia-muted); }
.visibility-flow article strong { position: absolute; right: var(--space-6); bottom: var(--space-5); left: var(--space-6); padding-top: var(--space-3); border-top: 1px solid var(--bia-line); color: var(--bia-faint); font-family: var(--font-system); font-size: 0.66rem; font-weight: 400; letter-spacing: 0.08em; text-transform: uppercase; }
.principle-band { padding: var(--space-6) clamp(var(--space-4), 4vw, var(--space-16)); display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: var(--space-8); }
.principle-band .system-label, .principle-band p { margin-bottom: 0; }
.principle-band p:not(.system-label) { color: var(--bia-muted); }
.methodology-hero { position: relative; isolation: isolate; min-height: 300px; padding: var(--space-8) clamp(var(--space-4), 5vw, var(--space-16)); border-bottom: 1px solid var(--bia-line); display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr); align-items: center; gap: var(--space-16); overflow: hidden; }
.methodology-hero h1 { margin-bottom: var(--space-4); font-size: clamp(3rem, 5vw, 5rem); }
.methodology-hero p:not(.system-label) { max-width: 72ch; color: var(--bia-muted); }
.methodology-hero > img { width: min(100%, 380px); justify-self: end; }
.methodology-body { padding: var(--space-8) clamp(var(--space-4), 4vw, var(--space-16)); border-bottom: 1px solid var(--bia-line); display: grid; grid-template-columns: minmax(0, 3fr) minmax(300px, 1fr); gap: var(--space-8); }
.method-steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-4); }
.method-steps article { min-width: 0; min-height: 430px; padding: var(--space-5); border: 1px solid var(--bia-line-strong); background: rgba(8, 8, 8, 0.92); }
.method-steps article > span { width: 48px; height: 48px; margin-bottom: var(--space-8); border: 1px solid var(--bia-line-strong); display: grid; place-items: center; border-radius: 50%; font-family: var(--font-system); }
.method-steps h2 { font-size: 1.35rem; letter-spacing: -0.02em; }
.method-steps p, .method-steps li { color: var(--bia-muted); font-size: 0.86rem; }
.method-steps ul { padding-left: 1.1rem; }
.method-standards { padding: var(--space-6); border: 1px solid var(--bia-line-strong); }
.method-standards > h2 { font-size: 1.6rem; }
.method-standards dl { margin: var(--space-6) 0; }
.method-standards dl div { padding: var(--space-4) 0; border-top: 1px solid var(--bia-line); }
.method-standards dt { font-family: var(--font-system); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; }
.method-standards dd { margin: var(--space-2) 0 0; color: var(--bia-muted); font-size: 0.86rem; }
.source-hierarchy { padding-top: var(--space-5); border-top: 1px solid var(--bia-line); color: var(--bia-muted); font-size: 0.86rem; }

.method-section { display: grid; grid-template-columns: minmax(220px, 360px) minmax(0, 1fr); gap: clamp(var(--space-8), 8vw, var(--space-24)); align-items: center; }
.method-section > img { width: 100%; }
.method-section ol { counter-reset: method; max-width: var(--content-readable); margin: var(--space-8) 0 0; padding: 0; list-style: none; }
.method-section li { counter-increment: method; padding: var(--space-4) 0; border-top: 1px solid var(--bia-line); color: var(--bia-muted); }
.method-section li::before { content: "0" counter(method); display: inline-block; width: 3rem; color: var(--bia-white); font-family: var(--font-system); }
.about-section p:not(.system-label) { max-width: var(--content-readable); color: var(--bia-muted); }
.site-footer { min-height: 90px; padding: var(--space-6) clamp(var(--space-4), 5vw, var(--space-16)); border-top: 1px solid var(--bia-line); display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); color: var(--bia-faint); font-family: var(--font-system); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; }
.record-visual { min-height: 220px; margin: 0; overflow: hidden; border: 1px solid var(--bia-line); background: var(--bia-ink); }
.record-visual img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1); }
.record-visual-fallback { min-height: inherit; display: grid; place-items: center; padding: var(--space-6); color: var(--bia-faint); font-family: var(--font-system); font-size: 0.7rem; letter-spacing: 0.08em; text-align: center; text-transform: uppercase; }

.archive-page { min-height: 100vh; }
.archive-header { position: relative; }
.archive-heading { flex: 1; }
.archive-heading .system-label { margin-bottom: var(--space-1); }
.archive-heading h1 { margin: 0; font-size: clamp(1.65rem, 3vw, 2.7rem); letter-spacing: -0.035em; }
.archive-layout { width: min(100%, var(--content-wide)); margin: 0 auto; display: grid; grid-template-columns: minmax(260px, 0.72fr) minmax(420px, 1.7fr) minmax(320px, 420px); align-items: start; }
.archive-console { width: min(100%, var(--content-wide)); min-height: calc(100vh - 92px); margin: 0 auto; display: grid; grid-template-columns: minmax(260px, 0.72fr) minmax(520px, 1.7fr) minmax(320px, 430px); align-items: start; }
.archive-filters, .archive-results, .evidence-panel { min-width: 0; padding: var(--space-8); }
.archive-filter-column, .archive-result-column, .archive-detail-column { min-width: 0; padding: var(--space-6); }
.archive-filters { border-right: 1px solid var(--bia-line); }
.archive-filter-column { border-right: 1px solid var(--bia-line); }
.archive-filter-heading { margin-bottom: var(--space-6); padding-bottom: var(--space-6); border-bottom: 1px solid var(--bia-line); }
.archive-filter-heading h1 { margin-bottom: var(--space-3); font-size: clamp(2rem, 3vw, 3.1rem); letter-spacing: -0.045em; }
.archive-filter-heading > p:not(.system-label) { margin-bottom: 0; color: var(--bia-muted); font-size: 0.88rem; }
.archive-filters label, .archive-filter-column label { display: block; margin: var(--space-4) 0 var(--space-2); color: var(--bia-muted); font-family: var(--font-system); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; }
.archive-filters input, .archive-filters select, .archive-filter-column input, .archive-filter-column select { width: 100%; min-height: 44px; border: 1px solid var(--bia-line-strong); border-radius: var(--radius-sm); padding: 0.65rem 0.75rem; background: var(--bia-panel); color: var(--bia-white); }
.archive-filters input::placeholder, .archive-filter-column input::placeholder { color: var(--bia-faint); }
.filter-fields { display: grid; }
.filter-fields .button { width: 100%; margin-top: var(--space-6); }
.filter-toggle { display: none; width: 100%; min-height: 44px; margin-top: var(--space-4); border: 1px solid var(--bia-line-strong); background: var(--bia-panel); color: var(--bia-white); font-family: var(--font-system); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; }
.archive-results { border-right: 1px solid var(--bia-line); }
.archive-result-column { border-right: 1px solid var(--bia-line); }
.results-summary { display: flex; align-items: end; justify-content: space-between; gap: var(--space-6); padding-bottom: var(--space-6); border-bottom: 1px solid var(--bia-line); }
.results-summary h2 { margin-bottom: 0; font-size: clamp(1.8rem, 3vw, 3.2rem); }
#result-count { margin: 0; color: var(--bia-muted); font-family: var(--font-system); font-size: 0.75rem; text-transform: uppercase; }
.archive-toolbar { min-height: 56px; display: flex; align-items: center; justify-content: flex-end; gap: var(--space-3); border-bottom: 1px solid var(--bia-line); }
.archive-toolbar label { color: var(--bia-faint); font-family: var(--font-system); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; }
.archive-toolbar select, .view-controls button, .archive-pagination button { min-height: 38px; border: 1px solid var(--bia-line-strong); padding: 0.5rem 0.7rem; background: var(--bia-panel); color: var(--bia-white); font-family: var(--font-system); font-size: 0.68rem; text-transform: uppercase; }
.view-controls { display: flex; }
.view-controls button + button { border-left: 0; }
.view-controls button[aria-pressed="true"] { background: var(--bia-white); color: var(--bia-black); }
.archive-metrics { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-bottom: 1px solid var(--bia-line); }
.metric-card { min-width: 0; padding: var(--space-4) var(--space-2); border-right: 1px solid var(--bia-line); }
.metric-card:last-child { border-right: 0; }
.metric-card strong, .metric-card span { display: block; }
.metric-card strong { font-family: var(--font-system); font-size: 1.2rem; }
.metric-card span { overflow: hidden; color: var(--bia-faint); font-size: 0.65rem; text-overflow: ellipsis; text-transform: uppercase; }
.record-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3); padding-top: var(--space-6); }
.record-card-visual { width: 100%; min-height: 150px; margin: 0; overflow: hidden; border-bottom: 1px solid var(--bia-line); background: var(--bia-ink); }
.record-card-visual img { width: 100%; height: 150px; object-fit: cover; filter: grayscale(1); }
.record-card-visual .record-visual-fallback { min-height: 150px; }
.record-card { min-height: 250px; border: 1px solid var(--bia-line); border-radius: var(--radius-sm); padding: var(--space-5); display: flex; flex-direction: column; align-items: flex-start; gap: var(--space-3); background: var(--bia-panel); color: var(--bia-white); text-align: left; }
.record-card .record-card-visual { width: calc(100% + (var(--space-5) * 2)); margin: calc(var(--space-5) * -1) calc(var(--space-5) * -1) var(--space-2); }
.record-card:hover { border-color: var(--bia-line-strong); background: var(--bia-panel-raised); }
.record-card.is-selected { border-color: var(--bia-white); box-shadow: inset 4px 0 0 var(--bia-white); }
.record-card .record-id, .record-card .record-meta, .record-card .record-source { font-family: var(--font-system); font-size: 0.65rem; }
.record-card .record-id, .record-card .record-source { color: var(--bia-faint); }
.record-card .record-name { font-size: 1.25rem; line-height: 1.1; }
.record-card .record-contribution { color: var(--bia-muted); }
.record-card .record-meta { margin-top: auto; color: var(--bia-white); }
#record-results[data-view="list"] { grid-template-columns: 1fr; }
#record-results[data-view="list"] .record-card { min-height: 180px; display: grid; grid-template-columns: 180px 1fr; grid-template-rows: repeat(5, auto); align-content: center; column-gap: var(--space-5); }
#record-results[data-view="list"] .record-card-visual { grid-row: 1 / -1; width: 180px; height: 100%; margin: calc(var(--space-5) * -1) 0 calc(var(--space-5) * -1) calc(var(--space-5) * -1); border-right: 1px solid var(--bia-line); border-bottom: 0; }
#record-results[data-view="list"] .record-card-visual img { height: 100%; }
.archive-pagination { min-height: 64px; padding-top: var(--space-5); display: flex; align-items: center; justify-content: center; gap: var(--space-4); color: var(--bia-muted); font-family: var(--font-system); font-size: 0.72rem; }
.archive-pagination button:disabled { cursor: not-allowed; opacity: 0.35; }
.empty-results, .archive-failure { padding: var(--space-12); border: 1px solid var(--bia-line); color: var(--bia-muted); }
.evidence-panel { position: sticky; top: 0; max-height: 100vh; overflow: auto; background: var(--bia-ink); }
.archive-detail-column { position: sticky; top: 92px; max-height: calc(100vh - 92px); overflow: auto; background: var(--bia-ink); }
.evidence-empty { min-height: 420px; display: grid; place-content: center; text-align: center; color: var(--bia-muted); }
.evidence-empty img { width: min(240px, 70%); margin: 0 auto var(--space-6); opacity: 0.45; }
.evidence-empty h2 { margin-bottom: var(--space-2); color: var(--bia-white); font-size: 1.6rem; }
.evidence-header { padding-bottom: var(--space-6); border-bottom: 1px solid var(--bia-line); }
.evidence-header h2 { margin-bottom: var(--space-3); font-size: clamp(1.9rem, 3vw, 3rem); }
.evidence-contribution { color: var(--bia-muted); }
.evidence-group { padding: var(--space-5) 0; border-bottom: 1px solid var(--bia-line); }
.evidence-group h3, .source-card .system-label { margin-bottom: var(--space-2); color: var(--bia-faint); font-family: var(--font-system); font-size: 0.66rem; letter-spacing: 0.09em; text-transform: uppercase; }
.evidence-group p, .source-card p { margin-bottom: 0; color: var(--bia-muted); font-size: 0.9rem; }
.source-card { margin-top: var(--space-6); padding: var(--space-5); border: 1px solid var(--bia-line-strong); }
.source-card h3 { font-size: 1.05rem; }
.source-card .text-link { margin-top: var(--space-3); }
.evidence-visual { min-height: 220px; margin: 0 0 var(--space-6); overflow: hidden; border: 1px solid var(--bia-line); background: var(--bia-black); }
.evidence-visual img { width: 100%; max-height: 320px; object-fit: cover; filter: grayscale(1); }
.evidence-visual .record-visual-fallback { min-height: 220px; }

@media (max-width: 1200px) {
  .featured-grid, .featured-records { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .methodology-body { grid-template-columns: 1fr; }
  .method-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .archive-layout { grid-template-columns: minmax(260px, 0.7fr) minmax(0, 1.6fr); }
  .archive-console { grid-template-columns: minmax(260px, 0.7fr) minmax(0, 1.6fr); }
  .archive-results { border-right: 0; }
  .archive-result-column { border-right: 0; }
  .evidence-panel { position: static; grid-column: 1 / -1; max-height: none; border-top: 1px solid var(--bia-line); }
  .archive-detail-column { position: static; grid-column: 1 / -1; max-height: none; border-top: 1px solid var(--bia-line); }
}

@media (max-width: 860px) {
  html { scroll-behavior: auto; }
  .public-header { position: static; }
  .public-header nav a:not(.nav-action) { display: none; }
  .narrative-hero { min-height: auto; grid-template-columns: 1fr; padding-top: var(--space-16); }
  .hero-lockup { order: -1; }
  .visibility-grid, .featured-records, .featured-grid { grid-template-columns: 1fr; }
  .featured-hero, .featured-evidence-band { grid-template-columns: 1fr; }
  .visibility-hero, .methodology-hero { grid-template-columns: 1fr; }
  .visibility-console, .methodology-hero > img { order: -1; }
  .visibility-flow, .method-steps { grid-template-columns: 1fr; gap: var(--space-4); }
  .visibility-flow article:not(:last-child)::after { display: none; }
  .principle-band { grid-template-columns: 1fr; }
  .featured-hero figure { order: -1; }
  .home-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .public-metric:nth-child(2) { border-right: 0; }
  .public-metric:nth-child(-n + 2) { border-bottom: 1px solid var(--bia-line); }
  .visibility-grid article { min-height: 0; border-right: 0; border-bottom: 1px solid var(--bia-line); }
  .visibility-grid article:last-child { border-bottom: 0; }
  .visibility-grid span { margin-bottom: var(--space-8); }
  .method-section { grid-template-columns: 1fr; }
  .method-section > img { width: min(72vw, 320px); margin: 0 auto; }
  .site-header { position: relative; flex-wrap: wrap; gap: var(--space-3); }
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; margin-left: auto; }
  .site-navigation { flex-basis: 100%; display: grid; grid-template-columns: 1fr; gap: 0; border-top: 1px solid var(--bia-line); }
  .site-navigation[data-open="false"] { display: none; }
  .site-navigation a { border-bottom: 1px solid var(--bia-line); }
  .archive-heading { order: 3; flex-basis: 100%; padding-top: var(--space-3); border-top: 1px solid var(--bia-line); }
  .archive-layout { display: block; }
  .archive-console { display: block; }
  .archive-filters, .archive-results, .evidence-panel { padding: var(--space-5); }
  .archive-filter-column, .archive-result-column, .archive-detail-column { padding: var(--space-5); }
  .archive-filters { border-right: 0; border-bottom: 1px solid var(--bia-line); }
  .archive-filter-column { border-right: 0; border-bottom: 1px solid var(--bia-line); }
  .filter-toggle { display: block; }
  .filter-fields[data-open="false"] { display: none; }
  .record-grid { grid-template-columns: 1fr; }
  #record-results[data-view="list"] .record-card { grid-template-columns: 120px 1fr; }
  #record-results[data-view="list"] .record-card-visual { width: 120px; }
  .evidence-panel { overflow: visible; }
}

@media (min-width: 861px) {
  .filter-toggle { display: none; }
  .filter-fields { display: grid !important; }
}

@media (max-width: 560px) {
  h1 { font-size: clamp(2.65rem, 15vw, 4.2rem); }
  .brand-link .site-mark { width: 175px; height: 54px; }
  .site-navigation .nav-action { padding-inline: 0.65rem; }
  .narrative-hero, .visibility-section, .featured-section, .method-section, .about-section { padding-block: var(--space-16); }
  .site-footer { align-items: flex-start; flex-direction: column; }
}

@media (min-width: 861px) {
  .site-navigation { display: flex !important; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}