:root {
  color-scheme: dark;
  --bg: #07100f;
  --bg-2: #0a1412;
  --surface: #0d1a17;
  --surface-2: #12211d;
  --text: #edf4f1;
  --muted: #a3b5af;
  --faint: #748982;
  --line: #243a34;
  --line-strong: #315148;
  --accent: #62c9b2;
  --accent-strong: #a2eadb;
  --accent-ink: #05110e;
  --danger: #e9a29a;
  --focus: #aef1e1;
  --shadow: 0 24px 70px rgba(0,0,0,.28);
  --font-display: Inter, "SF Pro Display", "Segoe UI Variable Display", "Helvetica Neue", Arial, sans-serif;
  --font-body: Inter, "SF Pro Text", "Segoe UI Variable Text", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --max: 1240px;
  --copy: 780px;
  --header: 72px;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    color-scheme: light;
    --bg: #f3f5f2;
    --bg-2: #e9eeea;
    --surface: #fafbf9;
    --surface-2: #e3eae5;
    --text: #10201d;
    --muted: #53675f;
    --faint: #5f716a;
    --line: #ccd7d1;
    --line-strong: #a8bbb1;
    --accent: #0b7966;
    --accent-strong: #075c4e;
    --accent-ink: #f3fffb;
    --danger: #a2463f;
    --focus: #087965;
    --shadow: 0 24px 70px rgba(24,48,40,.10);
  }
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f3f5f2;
  --bg-2: #e9eeea;
  --surface: #fafbf9;
  --surface-2: #e3eae5;
  --text: #10201d;
  --muted: #53675f;
  --faint: #5f716a;
  --line: #ccd7d1;
  --line-strong: #a8bbb1;
  --accent: #0b7966;
  --accent-strong: #075c4e;
  --accent-ink: #f3fffb;
  --danger: #a2463f;
  --focus: #087965;
  --shadow: 0 24px 70px rgba(24,48,40,.10);
}

:root[data-theme="dark"] { color-scheme: dark; }


* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header) + 24px);
  background: var(--bg);
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.62;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
body.search-open { overflow: hidden; }
a { color: inherit; }
img { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }
::selection { background: var(--accent); color: var(--accent-ink); }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 4px; }
h1, h2, h3, h4 { margin: 0; font-family: var(--font-display); font-weight: 620; line-height: 1.03; letter-spacing: -.035em; }
h1 { font-size: clamp(52px, 6.2vw, 78px); max-width: 900px; }
h2 { font-size: clamp(34px, 3.8vw, 54px); }
h3 { font-size: clamp(23px, 2.4vw, 32px); }
h4 { font-size: 20px; }
p { text-wrap: pretty; }
h2[id], h3[id], .sample-finding[id], section[id] { scroll-margin-top: calc(var(--header) + 24px); }
kbd { font-family: var(--font-mono); }
.sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important; }
.skip-link { position: absolute; left: 16px; top: -80px; z-index: 1000; background: var(--text); color: var(--bg); padding: 10px 14px; text-decoration: none; }
.skip-link:focus { top: 12px; }
[hidden] { display: none !important; }


.site-header { position: sticky; top: 0; z-index: 100; border-bottom: 1px solid var(--line); background: var(--bg); background: color-mix(in srgb, var(--bg) 94%, transparent); -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px); }
.header-inner { width: min(var(--max), calc(100% - 40px)); min-height: var(--header); margin: auto; display: grid; grid-template-columns: 176px minmax(0,1fr) auto; align-items: center; gap: 24px; }
.brand { display: inline-flex; gap: 10px; align-items: center; text-decoration: none; font-size: 12px; font-weight: 760; letter-spacing: .15em; }
.brand svg { width: 23px; height: 23px; fill: var(--accent); }
.primary-nav { display: flex; justify-content: center; align-items: stretch; gap: 22px; min-width: 0; height: var(--header); }
.nav-direct, .nav-parent { display: flex; align-items: center; height: 100%; position: relative; color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 540; white-space: nowrap; }
.nav-direct::after, .nav-parent::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 1px; background: var(--accent); transition: right .2s ease; }
.nav-direct:hover, .nav-direct[aria-current="page"], .nav-direct.is-context-active, .nav-parent:hover, .nav-parent[aria-current="page"], .nav-parent.is-context-active, .nav-group:focus-within .nav-parent { color: var(--text); }
.nav-direct:hover::after, .nav-direct[aria-current="page"]::after, .nav-direct.is-context-active::after, .nav-parent:hover::after, .nav-parent[aria-current="page"]::after, .nav-parent.is-context-active::after, .nav-group:focus-within .nav-parent::after { right: 0; }
.nav-group { position: relative; display: flex; align-items: stretch; }
.nav-group-head { display: flex; align-items: center; height: 100%; }
.nav-group-toggle { width: 24px; height: 34px; border: 0; background: transparent; color: var(--faint); cursor: pointer; padding: 0 0 0 5px; font-size: 14px; }
.mega-panel { position: fixed; z-index: 120; left: 0; right: 0; top: var(--header); visibility: hidden; opacity: 0; transform: translateY(-6px); pointer-events: none; border-bottom: 1px solid var(--line); background: var(--bg); box-shadow: 0 26px 55px rgba(0,0,0,.18); transition: opacity .18s ease, transform .18s ease, visibility .18s ease; }
.nav-group:hover .mega-panel, .nav-group.is-expanded .mega-panel { visibility: visible; opacity: 1; transform: translateY(0); pointer-events: auto; }
.mega-inner { width: min(var(--max), calc(100% - 40px)); margin: auto; padding: 30px 0 34px; display: grid; grid-template-columns: repeat(2, minmax(220px, 1fr)) minmax(160px, .55fr); gap: 48px; }
.mega-column > span { display: block; margin-bottom: 12px; color: var(--faint); font-family: var(--font-mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }
.mega-column a { display: block; padding: 6px 0; color: var(--muted); text-decoration: none; font-size: 14px; }
.mega-column a:hover, .mega-column a[aria-current="page"] { color: var(--text); }
.mega-footer { border-left: 1px solid var(--line); padding-left: 28px; display: flex; align-items: flex-end; }
.mega-footer a { color: var(--accent-strong); text-decoration: none; font-size: 13px; }
.header-tools { display: flex; align-items: center; justify-content: flex-end; gap: 10px; }
.nav-toggle { display: none; }
.search-trigger { display: inline-flex; align-items: center; gap: 8px; min-height: 36px; border: 1px solid var(--line); background: transparent; color: var(--muted); padding: 0 9px 0 11px; border-radius: 2px; cursor: pointer; font-size: 12px; }
.search-trigger:hover { border-color: var(--line-strong); color: var(--text); }
.search-trigger kbd { color: var(--faint); font-size: 10px; border-left: 1px solid var(--line); padding-left: 8px; }
.header-contact { display: inline-flex; align-items: center; justify-content: center; min-height: 36px; padding: 0 13px; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink); text-decoration: none; font-size: 12px; font-weight: 700; }
.shell { width: min(var(--max), calc(100% - 40px)); margin-inline: auto; }
.copy { width: min(var(--copy), 100%); }
.breadcrumb { width: min(var(--max), calc(100% - 40px)); margin: 26px auto 0; display: flex; flex-wrap: wrap; gap: 8px; color: var(--faint); font-size: 12px; letter-spacing: .02em; }
.breadcrumb a { text-decoration: none; color: var(--faint); }
.breadcrumb a:hover { color: var(--text); }
.breadcrumb [aria-current="page"] { color: var(--muted); }
.hero { min-height: calc(82vh - var(--header)); display: grid; align-items: end; border-bottom: 1px solid var(--line); position: relative; }
.hero-inner { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; padding: 96px 0 72px; display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(340px, .96fr); gap: 72px; align-items: end; }
.hero-copy .lead { max-width: 680px; }
.hero-visual { position: relative; min-height: 390px; border-left: 1px solid var(--line); padding-left: 44px; display: flex; align-items: flex-end; }
.authority { border-bottom: 1px solid var(--line); }
.authority-inner { width: min(var(--max), calc(100% - 40px)); margin: auto; display: grid; grid-template-columns: repeat(4, 1fr); }
.authority-item { padding: 20px 0; border-right: 1px solid var(--line); color: var(--muted); font-family: var(--font-mono); font-size: 10px; letter-spacing: .09em; text-transform: uppercase; }
.authority-item:not(:first-child) { padding-left: 24px; }
.authority-item:last-child { border-right: 0; }
.section { padding: 104px 0; border-bottom: 1px solid var(--line); }
.section.compact { padding: 68px 0; }
.section-head { display: grid; grid-template-columns: 230px 1fr; gap: 52px; margin-bottom: 58px; align-items: start; }
.section-head p { margin: 13px 0 0; color: var(--muted); max-width: 720px; font-size: 18px; }
.method-grid { display: grid; grid-template-columns: minmax(320px, .82fr) minmax(0, 1.18fr); gap: 72px; align-items: center; }
.page-hero { padding: 86px 0 68px; border-bottom: 1px solid var(--line); }
.page-hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 68px; align-items: end; }
.page-hero h1 { font-size: clamp(46px, 5.2vw, 72px); max-width: 940px; }
.content-grid { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 72px; align-items: start; }
.on-page { position: sticky; top: calc(var(--header) + 26px); }
.search-overlay { position: fixed; z-index: 500; inset: 0; padding: 9vh 20px 20px; background: rgba(3,8,7,.78); }
.search-dialog { width: min(900px, 100%); max-height: 80vh; overflow: auto; margin: auto; background: var(--bg); border: 1px solid var(--line-strong); box-shadow: var(--shadow); padding: 30px; }
.search-dialog-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--line); padding-bottom: 20px; }
.search-dialog-head h2 { font-size: clamp(28px, 4vw, 42px); }
.search-dialog-head .eyebrow { margin-bottom: 8px; }
.site-search-input { width: 100%; margin-top: 22px; min-height: 58px; font-size: 19px; background: var(--surface); }
.search-hint { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; padding: 12px 0 18px; color: var(--faint); font-family: var(--font-mono); font-size: 10px; }
.search-hint a { margin-left: auto; color: var(--accent-strong); text-decoration: none; }
.search-results { border-top: 1px solid var(--line); }
.site-footer { border-top: 1px solid var(--line); padding: 64px 0 26px; }
.footer-top, .footer-bottom { width: min(var(--max), calc(100% - 40px)); margin: auto; }
.footer-top { display: grid; grid-template-columns: minmax(220px,.8fr) minmax(0,2.2fr); gap: 72px; }
.footer-columns { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 26px; }
.footer-bottom { border-top: 1px solid var(--line); margin-top: 54px; padding-top: 20px; display: flex; flex-wrap: wrap; gap: 20px; color: var(--faint); font-size: 12px; }


.theme-toggle, .nav-toggle, .search-close { border: 1px solid var(--line); background: transparent; color: var(--muted); padding: 8px 10px; border-radius: 2px; cursor: pointer; font-size: 12px; letter-spacing: .02em; }
.theme-toggle:hover, .nav-toggle:hover, .search-close:hover { border-color: var(--line-strong); color: var(--text); }
.eyebrow { display: block; color: var(--accent); font-family: var(--font-mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 18px; }
.lead { margin: 24px 0 0; max-width: 720px; color: var(--muted); font-size: clamp(18px, 1.45vw, 21px); line-height: 1.58; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 17px; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink); text-decoration: none; border-radius: 2px; font-weight: 700; font-size: 13px; cursor: pointer; transition: transform .16s ease, background .16s ease, border-color .16s ease; }
.button.secondary { background: transparent; color: var(--text); border-color: var(--line-strong); }
.button:hover { transform: translateY(-1px); }
.button.secondary:hover { border-color: var(--accent); }
.cipher-primary { background: var(--accent-strong); border-color: var(--accent-strong); color: #04100d; }
.cipher-secondary { color: #f3faf7; border-color: rgba(238,248,244,.56); background: rgba(5,16,14,.28); }
.topology { width: 100%; height: auto; overflow: visible; }
.topology-lines path { fill: none; stroke: var(--line-strong); stroke-width: 1.3; vector-effect: non-scaling-stroke; }
.topology-nodes circle { fill: var(--accent); transform-origin: center; animation: node-pulse 5s ease-in-out infinite; }
.topology-nodes circle:nth-child(2n) { animation-delay: -1.8s; }
.topology-nodes circle:nth-child(3n) { animation-delay: -3.1s; }
@keyframes node-pulse { 0%,100% { opacity: .34; } 45% { opacity: .9; } }
.visual-caption { position: absolute; right: 0; bottom: 0; color: var(--faint); font-family: var(--font-mono); font-size: 10px; letter-spacing: .05em; }
.section-label { color: var(--faint); font-family: var(--font-mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; padding-top: 7px; }
.service-rows { border-top: 1px solid var(--line); }
.service-row { display: grid; grid-template-columns: 64px 1fr auto; gap: 24px; align-items: center; text-decoration: none; border-bottom: 1px solid var(--line); padding: 28px 0; transition: padding .2s ease, border-color .2s ease; }
.service-row:hover { padding-left: 8px; border-color: var(--line-strong); }
.service-index { font-family: var(--font-mono); color: var(--faint); font-size: 11px; }
.service-row strong { display: block; font-family: var(--font-display); font-size: clamp(22px, 2.6vw, 36px); font-weight: 590; line-height: 1.08; letter-spacing: -.03em; }
.service-row small { display: block; color: var(--muted); font-size: 15px; margin-top: 7px; max-width: 780px; line-height: 1.52; }
.row-arrow { color: var(--accent); font-size: 20px; }
.method-copy p { color: var(--muted); font-size: 18px; }
.method-list { margin: 32px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.method-list li { display: grid; grid-template-columns: 46px 1fr; gap: 20px; padding: 17px 0; border-bottom: 1px solid var(--line); }
.method-list span { color: var(--accent); font-family: var(--font-mono); font-size: 11px; }
.research-rows { border-top: 1px solid var(--line); }
.research-row { display: grid; grid-template-columns: 180px minmax(0,1fr) 180px; gap: 28px; align-items: center; padding: 24px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.research-row:hover strong { color: var(--accent-strong); }
.research-row strong { font-family: var(--font-display); font-size: 19px; font-weight: 600; line-height: 1.3; transition: color .18s ease; }
.research-meta, .research-topic { color: var(--faint); font-family: var(--font-mono); font-size: 10px; line-height: 1.45; }
.research-topic { text-align: right; }
.on-page span { display: block; color: var(--faint); font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; letter-spacing: .12em; margin-bottom: 13px; }
.on-page a { display: block; color: var(--muted); text-decoration: none; font-size: 13px; padding: 6px 0; }
.on-page a:hover { color: var(--text); }
.prose { width: min(840px, 100%); }
.prose h2 { font-size: clamp(29px, 2.8vw, 42px); margin: 72px 0 17px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin: 40px 0 13px; }
.prose p { color: var(--muted); font-size: 17px; margin: 0 0 19px; }
.prose ul { margin: 17px 0 25px; padding-left: 20px; color: var(--muted); }
.prose li { margin: 8px 0; padding-left: 5px; }
.prose a { color: var(--accent-strong); text-underline-offset: 3px; }
.spec-list { margin: 26px 0 0; border-top: 1px solid var(--line); }
.spec-item { display: grid; grid-template-columns: 34% 1fr; gap: 30px; padding: 17px 0; border-bottom: 1px solid var(--line); }
.spec-item strong { font-size: 14px; }
.spec-item span { color: var(--muted); }
.sample-finding { margin: 64px 0; border-top: 1px solid var(--accent); border-bottom: 1px solid var(--line); padding: 26px 0 9px; }
.sample-finding .sample-label { font-family: var(--font-mono); color: var(--accent); font-size: 10px; text-transform: uppercase; letter-spacing: .12em; }
.sample-grid { margin-top: 22px; display: grid; grid-template-columns: repeat(2, 1fr); column-gap: 38px; }
.sample-grid div { padding: 17px 0; border-top: 1px solid var(--line); }
.sample-grid small { display: block; color: var(--faint); font-family: var(--font-mono); margin-bottom: 6px; }
.sample-grid p { color: var(--text); margin: 0; font-size: 15px; }
.notice { border-left: 2px solid var(--accent); padding: 2px 0 2px 20px; margin: 36px 0; }
.notice strong { display: block; margin-bottom: 5px; }
.notice p { margin: 0; color: var(--muted); }
.filter-bar { display: flex; gap: 14px; align-items: end; margin: 0 0 34px; flex-wrap: wrap; }
.filter-field { display: grid; gap: 7px; }
.filter-field label { color: var(--faint); font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; letter-spacing: .1em; }
.filter-status { min-height: 1.5em; margin: -16px 0 26px; color: var(--faint); font-size: 13px; }
select, input, textarea { border: 1px solid var(--line-strong); background: var(--surface); color: var(--text); border-radius: 2px; min-height: 46px; padding: 10px 12px; }
select { min-width: 220px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-field { display: grid; gap: 8px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 13px; color: var(--muted); }
textarea { min-height: 180px; resize: vertical; }
.form-note { color: var(--faint); font-size: 13px; }
.checkbox { display: flex; gap: 10px; align-items: flex-start; color: var(--muted); font-size: 14px; }
.checkbox input { min-height: 0; width: 18px; height: 18px; margin-top: 3px; }
.hidden-field { display: none !important; }
.callout { padding: 44px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: center; }
.callout h2 { font-size: clamp(28px, 2.9vw, 44px); }
.callout p { margin: 10px 0 0; color: var(--muted); max-width: 720px; }
.page-meta { color: var(--faint); font-family: var(--font-mono); font-size: 11px; line-height: 1.7; border-left: 1px solid var(--line); padding-left: 26px; }
.page-meta strong { color: var(--text); display: block; font-size: 12px; margin-bottom: 7px; }
.search-result { display: grid; grid-template-columns: 118px 1fr; column-gap: 18px; row-gap: 4px; padding: 16px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.search-result[aria-current="true"], .search-result:hover { background: var(--bg-2); }
.search-result-family { grid-row: 1 / span 2; color: var(--faint); font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; letter-spacing: .08em; padding: 3px 0 0 4px; }
.search-result strong { font-size: 16px; font-weight: 650; }
.search-result-description { color: var(--muted); font-size: 13px; line-height: 1.45; }
.search-results > p, .search-page-results > p { color: var(--muted); padding: 18px 0; margin: 0; }
.search-page > label { display: block; margin-bottom: 10px; color: var(--faint); font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; }
.search-page input { width: 100%; min-height: 58px; font-size: 19px; margin-bottom: 26px; }
.search-page-results { border-top: 1px solid var(--line); }
.tool-directory { border-top: 1px solid var(--line); }
.tool-row { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; padding: 28px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.tool-row strong { display: block; font-size: 24px; }
.tool-row small { display: block; margin-top: 8px; color: var(--muted); max-width: 760px; font-size: 14px; }
.tool-row > span:last-child { color: var(--accent); }
.tool-workspace { display: grid; grid-template-columns: minmax(0,1fr) minmax(300px,.7fr); gap: 50px; align-items: start; }
.tool-input { display: grid; gap: 12px; }
.tool-input label { color: var(--faint); font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; }
.tool-input textarea { min-height: 320px; font-family: var(--font-mono); font-size: 13px; }
.tool-input .button { justify-self: start; }
.tool-output { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); min-height: 160px; }
.tool-output > p { color: var(--muted); }
.tool-checks { list-style: none; margin: 0; padding: 0; }
.tool-checks li { display: grid; grid-template-columns: 72px 1fr; gap: 8px 14px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.tool-checks li:last-child { border-bottom: 0; }
.tool-checks strong { font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; }
.tool-checks small { grid-column: 2; color: var(--muted); }
.check-ok { color: var(--accent-strong); }
.check-review { color: var(--danger); }
.assessment fieldset { margin: 0; padding: 24px 0; border: 0; border-top: 1px solid var(--line); }
.assessment fieldset:last-of-type { border-bottom: 1px solid var(--line); }
.assessment legend { display: grid; grid-template-columns: 46px 1fr; gap: 16px; width: 100%; font-family: var(--font-display); font-size: 20px; font-weight: 600; }
.assessment legend span { color: var(--faint); font-family: var(--font-mono); font-size: 11px; padding-top: 4px; }
.assessment fieldset label { display: inline-flex; align-items: center; gap: 8px; margin: 18px 18px 0 62px; color: var(--muted); font-size: 14px; }
.assessment fieldset input { width: 18px; height: 18px; min-height: 0; margin: 0; }
.assessment-output { margin-top: 34px; border-top: 1px solid var(--line); }
.assessment-output > p { color: var(--muted); }
.assessment-results { border-bottom: 1px solid var(--line); }
.assessment-results div { display: flex; justify-content: space-between; gap: 20px; padding: 14px 0; border-top: 1px solid var(--line); }
.assessment-results span { color: var(--muted); }
.footer-brand p { color: var(--muted); max-width: 300px; }
.footer-mark { font-weight: 760; letter-spacing: .15em; font-size: 12px; }
.footer-columns h2 { font-size: 10px; font-family: var(--font-mono); color: var(--faint); text-transform: uppercase; letter-spacing: .1em; margin-bottom: 13px; }
.footer-columns a { display: block; color: var(--muted); text-decoration: none; font-size: 12px; margin: 7px 0; }
.footer-columns a:hover { color: var(--text); }
.footer-bottom a { color: var(--faint); }
.minor-heading { margin: 56px 0 20px; font-size: 22px; }


.photo-band { position: relative; min-height: 580px; overflow: hidden; border-bottom: 1px solid var(--line); background: #06100e; }
.photo-band img { width: 100%; height: 580px; object-fit: cover; opacity: .42; filter: saturate(.55) contrast(1.04); }
:root[data-theme="light"] .photo-band { background: #172a24; }
:root[data-theme="light"] .photo-band img { opacity: .52; filter: saturate(.58) contrast(.94); }
@media (prefers-color-scheme: light) { :root:not([data-theme="dark"]) .photo-band { background: #172a24; } :root:not([data-theme="dark"]) .photo-band img { opacity: .52; filter: saturate(.58) contrast(.94); } }
.photo-band-content { position: absolute; z-index: 2; inset: 0; display: flex; align-items: flex-end; }
.photo-band-content .shell { padding-bottom: 52px; }
.photo-band-content h2 { max-width: 760px; color: #f5fbf8; font-size: clamp(38px, 4.7vw, 64px); text-shadow: 0 2px 18px rgba(0,0,0,.5); }
.photo-band-content p { color: #dce8e3; max-width: 680px; font-size: 17px; text-shadow: 0 2px 18px rgba(0,0,0,.5); }
.home-statement { padding: 76px 0; }
.statement-grid { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 52px; align-items: start; }
.statement-grid p { margin: 0; max-width: 930px; font-family: var(--font-display); font-size: clamp(27px, 3vw, 44px); line-height: 1.17; letter-spacing: -.032em; font-weight: 590; }
.work-preview { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.work-preview > div { min-height: 260px; padding: 26px 28px 28px 0; border-right: 1px solid var(--line); }
.work-preview > div:not(:first-child) { padding-left: 28px; }
.work-preview > div:last-child { border-right: 0; }
.work-preview span { color: var(--accent); font-family: var(--font-mono); font-size: 10px; }
.work-preview strong { display: block; margin-top: 54px; font-family: var(--font-display); font-size: 22px; line-height: 1.2; }
.work-preview p { color: var(--muted); font-size: 14px; }
.team-preview { display: grid; grid-template-columns: 1fr auto; gap: 50px; align-items: end; }
.team-preview p { max-width: 760px; color: var(--muted); font-size: 17px; }
.research-selected { background: var(--bg-2); }
.research-featured-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.research-feature { min-height: 390px; display: flex; flex-direction: column; padding: 26px 28px 28px 0; text-decoration: none; border-right: 1px solid var(--line); }
.research-feature:not(:first-child) { padding-left: 28px; }
.research-feature:last-child { border-right: 0; }
.research-feature-index { color: var(--accent); font-family: var(--font-mono); font-size: 10px; letter-spacing: .12em; }
.research-feature .research-meta { margin-top: auto; padding-top: 58px; }
.research-feature strong { display: block; margin-top: 11px; font-family: var(--font-display); font-size: clamp(23px, 2.15vw, 32px); line-height: 1.13; letter-spacing: -.028em; font-weight: 600; }
.research-feature p { margin: 17px 0 0; color: var(--muted); font-size: 14px; line-height: 1.6; }
.research-feature-link { display: block; margin-top: 22px; color: var(--accent-strong); font-size: 13px; }
.research-feature:hover strong { color: var(--accent-strong); }
.research-library-head { margin-bottom: 36px; }
@media (min-width: 981px) { .page-research .page-hero-grid { grid-template-columns: minmax(0, 1fr) 290px; } }
.page-research .page-hero h1, .page-company .page-hero h1, .page-trust .page-hero h1, .page-labs .page-hero h1, .page-contact .page-hero h1, .page-services .page-hero h1 { max-width: 920px; }
.page-services .page-meta { max-width: 330px; }
.page-company .prose > h2#name, .page-company .prose > h2#claims { margin-top: 88px; }
.page-trust .notice, .page-services .notice { max-width: 860px; }
.resource-research { margin-top: 80px; }
.resource-research > h2 { margin-bottom: 28px; font-size: 30px; }
.team-lead { max-width: 780px; padding-bottom: 72px; }
.team-lead h2 { font-size: clamp(42px, 5vw, 68px); }
.team-lead p { color: var(--muted); font-size: 18px; max-width: 680px; }
.team-group { padding: 72px 0; border-top: 1px solid var(--line); }
.team-group .section-head { margin-bottom: 34px; }
.team-directory { border-top: 1px solid var(--line); }
.team-person { display: grid; grid-template-columns: minmax(220px,.55fr) 1fr; gap: 30px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.team-person strong { font-family: var(--font-display); font-weight: 620; }
.team-person span { color: var(--muted); }
.career-group { padding: 54px 0 0; }
.career-group > h3 { margin-bottom: 18px; font-size: 23px; }
.career-role { display: grid; grid-template-columns: 1fr auto; gap: 30px; padding: 24px 0; border-top: 1px solid var(--line); }
.career-role:last-child { border-bottom: 1px solid var(--line); }
.career-role h4 { margin-top: 8px; }
.career-role p { margin: 9px 0 0; max-width: 760px; color: var(--muted); font-size: 14px; }
.career-role > span { color: var(--faint); font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; }
.career-status { color: var(--accent); font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; letter-spacing: .08em; }
.baseline-grid { border-top: 1px solid var(--line); }
.baseline-control { display: grid; grid-template-columns: 58px minmax(180px,.42fr) minmax(0,1fr); gap: 24px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.baseline-number { color: var(--faint); font-family: var(--font-mono); font-size: 10px; padding-top: 7px; }
.baseline-control h2 { font-size: 26px; padding-top: 2px; }
.baseline-control dl { margin: 0; display: grid; gap: 16px; }
.baseline-control dl div { display: grid; grid-template-columns: 150px 1fr; gap: 20px; }
.baseline-control dt { color: var(--faint); font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; }
.baseline-control dd { margin: 0; color: var(--muted); font-size: 14px; }
.glossary { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); column-gap: 56px; border-top: 1px solid var(--line); }
.glossary article { padding: 28px 0; border-bottom: 1px solid var(--line); }
.glossary h2 { font-size: 25px; }
.glossary p { margin: 10px 0 0; color: var(--muted); }
.incident-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); border-top: 1px solid var(--line); }
.incident-grid article { padding: 28px 30px 28px 0; border-bottom: 1px solid var(--line); }
.incident-grid article:nth-child(odd) { border-right: 1px solid var(--line); }
.incident-grid article:nth-child(even) { padding-left: 30px; }
.incident-grid h2 { font-size: 27px; }
.incident-grid p { margin: 12px 0 0; color: var(--muted); font-size: 14px; }

@media (max-width: 980px) {
  .statement-grid, .team-preview { grid-template-columns: 1fr; gap: 22px; }
  .work-preview, .research-featured-grid { grid-template-columns: 1fr; }
  .work-preview > div, .research-feature { min-height: 0; padding: 26px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .work-preview > div:not(:first-child), .research-feature:not(:first-child) { padding-left: 0; }
  .work-preview > div:last-child, .research-feature:last-child { border-bottom: 0; }
  .work-preview strong { margin-top: 30px; }
  .research-feature .research-meta { margin-top: 42px; padding-top: 0; }
  .baseline-control { grid-template-columns: 44px 1fr; }
  .baseline-control dl { grid-column: 2; }
}


.family-models { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; margin: 26px 0 0; border: 1px solid var(--line); background: var(--line); }
.family-models > div { background: var(--surface); padding: 22px; }
.family-models strong { display: block; font-size: 16px; }
.family-models p { margin: 8px 0 0; color: var(--muted); font-size: 14px; line-height: 1.55; }
.family-examples { margin: 0; padding-left: 20px; color: var(--muted); }
.family-examples li { margin: 9px 0; }
.family-question-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.family-question-grid blockquote { margin: 0; padding: 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--text); font-family: var(--font-display); font-size: 19px; line-height: 1.35; }
.form-optional { color: var(--faint); font-weight: 400; }
[data-contact-urgent][hidden] { display: none !important; }

.nav-direct, .nav-parent, .mega-column a, .on-page a, .footer-columns a, .footer-bottom a { min-height: 24px; }
.nav-direct, .nav-parent, .mega-column a, .footer-columns a { display: flex; align-items: center; }
a, button, input, select, textarea, [tabindex] { scroll-margin-top: calc(var(--header) + 24px); }

@media (max-width: 980px) {
  .family-models { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .family-question-grid { grid-template-columns: 1fr; }
  .family-question-grid blockquote { padding: 20px; }
  .on-page a { min-height: 44px; display: inline-flex; align-items: center; }
}

@media (forced-colors: active) {
  .button, .notice, .service-row, .search-result, .family-models, .family-question-grid, .family-question-grid blockquote { forced-color-adjust: auto; }
  .button, .service-row, .search-result { border-color: ButtonText; }
}


@media (max-width: 1120px) {
  .header-inner { grid-template-columns: 165px minmax(0,1fr) auto; gap: 16px; }
  .primary-nav { gap: 14px; }
  .nav-direct, .nav-parent { font-size: 13px; }
  .header-contact { display: none; }
  .footer-columns { grid-template-columns: repeat(3, minmax(0,1fr)); row-gap: 32px; }
}

@media (max-width: 980px) {
  .header-inner { grid-template-columns: 1fr auto auto; }
  .primary-nav { position: absolute; top: var(--header); left: 0; right: 0; height: auto; background: var(--bg); border-bottom: 1px solid var(--line); display: none; padding: 8px 20px 24px; flex-direction: column; gap: 0; max-height: calc(100vh - var(--header)); overflow: auto; }
  .primary-nav.is-open { display: flex; }
  .nav-direct { height: auto; padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav-direct::after, .nav-parent::after { display: none; }
  .nav-group { display: block; border-bottom: 1px solid var(--line); }
  .nav-group-head { height: auto; justify-content: space-between; }
  .nav-parent { height: auto; flex: 1; padding: 14px 0; }
  .nav-group-toggle { display: block; width: 44px; height: 44px; }
  .mega-panel { position: static; display: none; visibility: visible; opacity: 1; transform: none; pointer-events: auto; border: 0; box-shadow: none; background: var(--bg-2); margin: 0 -20px; }
  .nav-group:hover .mega-panel, .nav-group:focus-within .mega-panel { display: none; }
  .nav-group.is-expanded .mega-panel, .nav-group.is-expanded:hover .mega-panel, .nav-group.is-expanded:focus-within .mega-panel { display: block; }
  .mega-inner { width: auto; padding: 22px 20px 26px; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 24px 36px; }
  .mega-footer { grid-column: 1 / -1; border-left: 0; border-top: 1px solid var(--line); padding: 16px 0 0; }
  .nav-toggle { display: block; }
  .header-tools { gap: 8px; }
  .hero-inner, .page-hero-grid, .method-grid, .content-grid, .tool-workspace { grid-template-columns: 1fr; }
  .hero-visual { min-height: 310px; padding-left: 0; border-left: 0; border-top: 1px solid var(--line); padding-top: 28px; }
  .section-head { grid-template-columns: 1fr; gap: 15px; }
  .authority-inner { grid-template-columns: 1fr 1fr; }
  .authority-item { border-bottom: 1px solid var(--line); }
  .authority-item:nth-child(2n) { border-right: 0; }
  .authority-item:nth-child(3) { padding-left: 0; }
  .on-page { position: static; border-bottom: 1px solid var(--line); padding-bottom: 20px; }
  .on-page a { display: inline-block; margin-right: 14px; }
  .research-row { grid-template-columns: 140px 1fr; }
  .research-topic { grid-column: 2; text-align: left; }
  .footer-top { grid-template-columns: 1fr; gap: 44px; }
  .tool-output { min-height: 0; }

  html:not(.js) .primary-nav { display: flex; }
  html:not(.js) .nav-toggle, html:not(.js) .nav-group-toggle { display: none; }
  html:not(.js) .mega-panel,
  html:not(.js) .nav-group:hover .mega-panel,
  html:not(.js) .nav-group:focus-within .mega-panel { display: block; }
}

@media (max-width: 700px) {
  :root { --header: 66px; }
  .header-inner { width: min(var(--max), calc(100% - 28px)); gap: 8px; }
  .brand { font-size: 11px; letter-spacing: .12em; }
  .brand svg { width: 20px; }
  .search-trigger { width: 38px; height: 34px; padding: 0; justify-content: center; }
  .search-trigger span { font-size: 0; }
  .search-trigger span::after { content: "⌕"; font-size: 18px; }
  .search-trigger kbd { display: none; }
  .theme-toggle { font-size: 0; width: 38px; height: 34px; position: relative; }
  .theme-toggle::after { content: "◐"; font-size: 15px; position: absolute; inset: 5px; }
  .shell, .breadcrumb, .footer-top, .footer-bottom { width: min(var(--max), calc(100% - 28px)); }
  .hero-inner { width: min(var(--max), calc(100% - 28px)); padding: 66px 0 50px; gap: 40px; }
  .hero { min-height: auto; }
  h1 { font-size: clamp(43px, 13vw, 58px); }
  .page-hero h1 { font-size: clamp(40px, 12vw, 56px); }
  h2 { font-size: clamp(31px, 9vw, 42px); }
  .section { padding: 72px 0; }
  .section-head { margin-bottom: 38px; }
  .authority-inner { width: min(var(--max), calc(100% - 28px)); }
  .authority-item { padding: 17px 0; font-size: 9px; }
  .authority-item:not(:first-child) { padding-left: 14px; }
  .authority-item:nth-child(3) { padding-left: 0; }
  .service-row { grid-template-columns: 36px 1fr 20px; gap: 11px; padding: 22px 0; }
  .service-row strong { font-size: 23px; }
  .service-row small { font-size: 13px; }
  .research-row { grid-template-columns: 1fr; gap: 7px; padding: 21px 0; }
  .research-topic { grid-column: auto; }
  .page-hero { padding: 60px 0 48px; }
  .page-meta { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); padding-top: 18px; }
  .spec-item { grid-template-columns: 1fr; gap: 7px; }
  .sample-grid, .glossary, .incident-grid { grid-template-columns: 1fr; }
  .incident-grid article, .incident-grid article:nth-child(even) { padding: 24px 0; border-right: 0; }
  .form-grid { grid-template-columns: 1fr; }
  .form-field.full { grid-column: auto; }
  .callout { grid-template-columns: 1fr; }
  .footer-columns { grid-template-columns: 1fr 1fr; }
  .search-overlay { padding: 0; background: var(--bg); }
  .search-dialog { width: 100%; min-height: 100vh; max-height: 100vh; border: 0; padding: 22px 14px; }
  .search-result { grid-template-columns: 1fr; gap: 4px; padding: 15px 4px; }
  .search-result-family { grid-row: auto; }
  .search-hint span { display: none; }
  .search-hint a { margin-left: 0; }
  .team-person { grid-template-columns: 1fr; gap: 4px; }
  .baseline-control { grid-template-columns: 34px 1fr; gap: 16px; }
  .baseline-control dl { grid-column: 1 / -1; }
  .baseline-control dl div { grid-template-columns: 1fr; gap: 5px; }
  .career-role { grid-template-columns: 1fr; }
  .career-role > span { display: none; }
  .assessment fieldset label { display: flex; margin: 16px 0 0 0; }
  .assessment legend { grid-template-columns: 34px 1fr; }
  .tool-input textarea { min-height: 260px; }
}

@media (max-width: 460px) {
  .footer-columns, .mega-inner { grid-template-columns: 1fr; }
  .mega-footer { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}