:root {
  --ink: #10201b;
  --ink-2: #26352f;
  --muted: #58655f;
  --canvas: #f3f0e8;
  --canvas-deep: #e9e4d9;
  --surface: #faf8f2;
  --surface-raised: #fffdf8;
  --line: #d2ccbf;
  --line-strong: #9ba19b;
  --accent: #0f7867;
  --accent-dark: #0a574b;
  --accent-soft: #d8e9e3;
  --flow-supply: #2b6f92;
  --flow-holder: #694cad;
  --flow-burn: #ad3e56;
  --flow-treasury: #9a641f;
  --flow-other: #526f66;
  --flow-unknown: #6c7571;
  --status-observed: #0b6658;
  --status-derived: #5c4693;
  --status-estimated: #825919;
  --status-curated: #2a6280;
  --status-unavailable: #5f6864;
  --status-conflict: #8c3f53;
  --focus: #006fd6;
  --danger: #9a3046;
  --shadow-raised: 0 14px 34px rgba(16, 32, 27, 0.09);
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --serif: Iowan Old Style, Palatino Linotype, Book Antiqua, Georgia, serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { overflow-x: clip; color-scheme: light; scroll-behavior: smooth; scroll-padding-top: 132px; }
body { margin: 0; min-width: 0; overflow-x: clip; background: var(--canvas); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.6; text-rendering: optimizeLegibility; }
body, main, section, article, aside, div, nav { min-width: 0; }
[hidden] { display: none !important; }
a { color: var(--accent-dark); text-underline-offset: .2em; }
a:hover { color: var(--accent); }
button, input, select, textarea { font: inherit; }
button, a, input, select, textarea, summary { outline-offset: 4px; }
:focus-visible { outline: 3px solid var(--focus); }
::selection { background: #b8ddd2; color: var(--ink); }

.skip-link { position: fixed; z-index: 1000; top: 8px; left: 8px; transform: translateY(-150%); padding: 11px 15px; border: 2px solid var(--focus); background: #fff; color: var(--ink); font-weight: 800; }
.skip-link:focus { transform: translateY(0); }
.visually-hidden { 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; }
.shell { width: min(1240px, calc(100% - 48px)); margin-inline: auto; }

.site-header { position: sticky; z-index: 100; top: 0; border-bottom: 1px solid var(--line); background: rgba(243, 240, 232, .97); backdrop-filter: blur(10px); }
.header-inner { min-height: 72px; display: grid; grid-template-columns: minmax(260px, 1fr) auto auto; align-items: center; gap: 24px; }
.brand { min-height: 48px; display: inline-flex; align-items: center; gap: 12px; width: max-content; max-width: 100%; color: var(--ink); text-decoration: none; }
.brand-mark { position: relative; width: 36px; height: 36px; flex: 0 0 auto; display: grid; place-items: center; border: 1px solid var(--ink); background: var(--ink); color: #fff; }
.brand-mark::before, .brand-mark::after { content: ""; position: absolute; background: var(--accent-soft); opacity: .6; }
.brand-mark::before { width: 1px; height: 100%; left: 50%; }
.brand-mark::after { width: 100%; height: 1px; top: 50%; }
.brand-mark span { position: relative; z-index: 1; width: 22px; height: 22px; display: grid; place-items: center; border-radius: 50%; background: var(--ink); font-family: var(--serif); font-weight: 700; }
.brand-copy strong, .brand-copy small { display: block; line-height: 1.1; }
.brand-copy strong { font-size: .88rem; }
.brand-copy small { margin-top: 4px; color: var(--muted); font-family: var(--mono); font-size: .61rem; letter-spacing: .08em; text-transform: uppercase; }
.header-status { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-family: var(--mono); font-size: .66rem; text-transform: uppercase; letter-spacing: .04em; }
.header-status > span { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.site-nav ul { display: flex; align-items: center; gap: 2px; margin: 0; padding: 0; list-style: none; }
.site-nav a { min-height: 44px; display: inline-flex; align-items: center; padding: 10px 12px; border-bottom: 2px solid transparent; color: var(--ink); font-size: .78rem; font-weight: 760; text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current="page"] { border-color: var(--accent); color: var(--accent-dark); }
.menu-toggle { display: none; min-width: 48px; min-height: 44px; align-items: center; justify-content: center; gap: 9px; border: 1px solid var(--line-strong); background: transparent; color: var(--ink); cursor: pointer; font-size: .75rem; font-weight: 800; }
.menu-icon { position: relative; width: 17px; height: 12px; border-block: 2px solid currentColor; }
.menu-icon::after { content: ""; position: absolute; left: 0; right: 0; top: 3px; height: 2px; background: currentColor; }
.menu-toggle[aria-expanded="true"] .menu-icon { border: 0; }
.menu-toggle[aria-expanded="true"] .menu-icon::before, .menu-toggle[aria-expanded="true"] .menu-icon::after { content: ""; position: absolute; left: 0; top: 5px; width: 17px; height: 2px; background: currentColor; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-icon::after { transform: rotate(-45deg); }

.site-footer { padding-block: 54px; border-top: 1px solid var(--line); background: var(--surface); }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 70px; align-items: start; }
.footer-grid p { max-width: 550px; margin: 7px 0; color: var(--muted); font-size: .82rem; }
.footer-brand { color: var(--ink) !important; font-weight: 850; }
.beta-label { color: var(--muted); font-family: var(--mono); font-size: .66rem; text-transform: uppercase; }
.footer-grid nav { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 28px; }
.footer-grid nav a { min-height: 38px; display: inline-flex; align-items: center; font-size: .78rem; font-weight: 750; }

.eyebrow { margin: 0 0 14px; color: var(--accent-dark); font-family: var(--mono); font-size: .68rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3, p { overflow-wrap: break-word; }
h1, h2, h3 { margin-top: 0; color: var(--ink); line-height: 1.05; letter-spacing: -.035em; }
h1 { margin-bottom: 26px; font-family: var(--serif); font-size: clamp(3.2rem, 6.5vw, 5.9rem); font-weight: 500; }
h2 { margin-bottom: 20px; font-size: clamp(2rem, 3.9vw, 3.4rem); }
h3 { font-size: 1.06rem; letter-spacing: -.018em; }
p { color: var(--muted); }
.lede { max-width: 720px; margin-bottom: 0; color: var(--ink-2); font-size: clamp(1.03rem, 1.5vw, 1.24rem); line-height: 1.65; }
.microcopy { color: #66726d; font-size: .78rem; }
code { padding: .12em .35em; border-radius: 3px; background: var(--canvas-deep); font-family: var(--mono); font-size: .9em; }
.section { padding-block: 82px; }
.section-heading { margin-bottom: 42px; }
.section-heading.compact { max-width: 800px; }
.section-heading h2 { margin-bottom: 0; }
.section-heading.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, .78fr); align-items: end; gap: 70px; }
.section-heading.split p:last-child { margin-bottom: 0; }
.button-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; padding: 11px 17px; border: 1px solid var(--ink); border-radius: 3px; cursor: pointer; font-size: .83rem; font-weight: 820; text-align: center; text-decoration: none; }
.button-primary { background: var(--ink); color: #fff; }
.button-primary:hover { border-color: var(--accent-dark); background: var(--accent-dark); color: #fff; }
.button-secondary { background: transparent; color: var(--ink); }
.button-secondary:hover { border-color: var(--accent); color: var(--accent-dark); }
.text-link { min-height: 42px; display: inline-flex; align-items: center; color: var(--accent-dark); font-size: .86rem; font-weight: 820; text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.index { color: var(--muted); font-family: var(--mono); font-size: .68rem; }

.status { display: inline-flex; align-items: center; gap: 5px; width: max-content; max-width: 100%; min-height: 23px; padding: 3px 7px; border: 1px solid currentColor; border-radius: 999px; color: var(--status-observed); font-family: var(--mono); font-size: .58rem; font-weight: 820; letter-spacing: .045em; line-height: 1.2; text-transform: uppercase; white-space: normal; }
.status-derived { color: var(--status-derived); }
.status-estimated { color: var(--status-estimated); }
.status-curated { color: var(--status-curated); }
.status-unavailable { color: var(--status-unavailable); }
.status-source-conflict { color: var(--status-conflict); }
.source-ref { min-width: 30px; min-height: 30px; display: inline-flex; align-items: center; justify-content: center; color: var(--accent-dark); font-family: var(--mono); font-size: .66rem; font-weight: 850; text-decoration: none; vertical-align: middle; }

/* Overview */
.home-hero { min-height: 650px; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(360px, .75fr); align-items: center; gap: clamp(50px, 7vw, 100px); padding-block: 70px; }
.home-hero-copy { max-width: 790px; }
.home-hero h1 { max-width: 780px; font-size: clamp(3.3rem, 6.2vw, 5.8rem); }
.audience-line { margin: 22px 0 0; color: var(--muted); font-size: .82rem; }
.hero-ledger { position: relative; padding: 30px; border: 1px solid #27453c; background: var(--ink); color: #fff; box-shadow: var(--shadow-raised); }
.hero-ledger::before { content: ""; position: absolute; inset: 10px; border: 1px solid rgba(255,255,255,.08); pointer-events: none; }
.ledger-head { position: relative; display: flex; justify-content: space-between; gap: 12px; color: #aebeb8; font-family: var(--mono); font-size: .62rem; letter-spacing: .06em; text-transform: uppercase; }
.hero-ledger h2 { position: relative; margin: 34px 0 8px; color: #fff; font-family: var(--serif); font-size: 2rem; font-weight: 500; }
.hero-ledger > p { position: relative; margin-top: 0; color: #b7c5c0; font-size: .82rem; }
.hero-ledger dl { position: relative; display: grid; grid-template-columns: 1fr 1fr; margin: 26px 0; border-top: 1px solid rgba(255,255,255,.15); }
.hero-ledger dl div { min-height: 92px; padding: 15px 12px 13px 0; border-bottom: 1px solid rgba(255,255,255,.15); }
.hero-ledger dl div:nth-child(odd) { border-right: 1px solid rgba(255,255,255,.15); }
.hero-ledger dl div:nth-child(even) { padding-left: 16px; }
.hero-ledger dt { color: #9fb1aa; font-size: .67rem; }
.hero-ledger dd { margin: 8px 0 0; color: #fff; font-family: var(--mono); font-size: 1.1rem; font-variant-numeric: tabular-nums; }
.hero-ledger > a { position: relative; min-height: 40px; display: inline-flex; align-items: center; color: #b9e1d6; font-size: .77rem; font-weight: 750; }
.decision-section { padding-block: 70px; border-block: 1px solid var(--line); background: var(--canvas-deep); }
.decision-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); background: var(--surface); }
.decision-link { min-height: 310px; display: flex; flex-direction: column; padding: 27px; border-right: 1px solid var(--line); color: var(--ink); text-decoration: none; }
.decision-link:last-child { border-right: 0; }
.decision-link > span { color: var(--accent-dark); font-family: var(--mono); font-size: .65rem; font-weight: 800; text-transform: uppercase; }
.decision-link h3 { margin: 32px 0 14px; font-family: var(--serif); font-size: 1.75rem; font-weight: 500; }
.decision-link p { font-size: .86rem; }
.decision-link strong { margin-top: auto; color: var(--accent-dark); font-size: .78rem; }
.decision-link:hover { background: var(--surface-raised); box-shadow: inset 0 3px 0 var(--accent); }
.home-protocol-list { margin: 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.home-protocol-list li { border-bottom: 1px solid var(--line); }
.home-protocol-list a { min-height: 84px; display: grid; grid-template-columns: 12px 1fr auto 24px; align-items: center; gap: 16px; padding: 13px 8px; color: var(--ink); text-decoration: none; }
.home-protocol-list a:hover { padding-inline: 16px 4px; background: var(--surface); }
.protocol-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--protocol-accent); }
.home-protocol-list strong, .home-protocol-list small { display: block; }
.home-protocol-list small { color: var(--muted); font-size: .7rem; }
.home-protocol-value { min-width: 110px; font-family: var(--mono); font-size: .88rem; font-variant-numeric: tabular-nums; text-align: right; }
.flow-primer-section { padding-block: 76px; background: var(--ink); color: #fff; }
.flow-primer-grid { display: grid; grid-template-columns: .7fr 1.3fr; align-items: center; gap: 80px; }
.flow-primer-grid h2 { color: #fff; }
.flow-primer-grid p { color: #b9c7c1; }
.flow-primer-grid .eyebrow { color: #9bd5c6; }
.flow-primer { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; padding: 0; border: 1px solid rgba(255,255,255,.2); list-style: none; }
.flow-primer li { position: relative; min-height: 170px; display: flex; flex-direction: column; justify-content: flex-end; padding: 20px; border-right: 1px solid rgba(255,255,255,.2); }
.flow-primer li:last-child { border-right: 0; }
.flow-primer li:not(:last-child)::after { content: "→"; position: absolute; z-index: 1; right: -13px; top: 24px; width: 26px; height: 26px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.24); border-radius: 50%; background: var(--ink); color: #8ed0bd; }
.flow-primer span { margin-bottom: auto; color: #8ed0bd; font-family: var(--mono); font-size: .68rem; }
.flow-primer strong { color: #fff; }
.flow-primer small { color: #aebdb7; font-size: .69rem; }
.trust-band { display: grid; grid-template-columns: .75fr 1.25fr; gap: 90px; }
.trust-points p { margin-top: 0; padding-bottom: 17px; border-bottom: 1px solid var(--line); }

/* Shared page headers and protocol identity */
.page-hero { padding-block: 82px 60px; }
.compact-hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(330px, .65fr); align-items: end; gap: 80px; }
.compact-hero h1 { max-width: 800px; margin-bottom: 0; font-size: clamp(3rem, 5.6vw, 5.1rem); }
.compact-hero .lede { padding-bottom: 8px; }
.protocol-identity { display: flex; align-items: center; gap: 13px; }
.protocol-mark { width: 42px; height: 42px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 50%; background: var(--protocol-accent); color: #fff; font-family: var(--mono); font-size: .65rem; font-weight: 850; }
.protocol-identity h2, .protocol-identity h3 { margin: 0 0 4px; }
.protocol-identity p { margin: 0; color: var(--muted); font-family: var(--mono); font-size: .64rem; text-transform: uppercase; letter-spacing: .04em; }

/* Research directory */
.directory-tools { position: relative; display: grid; grid-template-columns: minmax(280px, 1.1fr) minmax(420px, 1.4fr) auto; align-items: end; gap: 28px; padding-block: 28px; border-block: 1px solid var(--line); }
label { display: grid; gap: 7px; color: var(--ink); font-size: .76rem; font-weight: 800; }
input, select, textarea { width: 100%; min-height: 48px; padding: 10px 12px; border: 1px solid var(--line-strong); border-radius: 2px; background: var(--surface-raised); color: var(--ink); }
textarea { min-height: 120px; resize: vertical; }
.search-control { position: relative; display: block; }
.search-control > span { position: absolute; z-index: 1; left: 13px; top: 50%; transform: translateY(-50%); color: var(--muted); font-size: 1.2rem; }
.search-control input { padding-left: 40px; }
.filter-group > span { display: block; margin-bottom: 7px; color: var(--ink); font-size: .76rem; font-weight: 800; }
.filter-buttons { display: flex; flex-wrap: wrap; gap: 6px; }
.filter-buttons button { min-height: 48px; padding: 9px 13px; border: 1px solid var(--line-strong); background: transparent; color: var(--ink); cursor: pointer; font-size: .73rem; font-weight: 780; }
.filter-buttons button[aria-pressed="true"] { border-color: var(--ink); background: var(--ink); color: #fff; }
.result-count { margin: 0 0 13px; color: var(--muted); font-family: var(--mono); font-size: .67rem; white-space: nowrap; }
.directory-list { padding-block: 34px 82px; }
.directory-card { position: relative; display: grid; grid-template-columns: 72px minmax(0, 1.4fr) minmax(310px, .8fr) 150px; gap: 28px; align-items: center; min-height: 230px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.directory-card::before { content: ""; position: absolute; left: 0; top: 28px; bottom: 28px; width: 3px; background: var(--protocol-accent); }
.directory-index { align-self: stretch; display: flex; flex-direction: column; justify-content: space-between; padding-left: 18px; color: var(--muted); font-family: var(--mono); font-size: .62rem; text-transform: uppercase; writing-mode: vertical-rl; transform: rotate(180deg); }
.directory-main > p { margin: 16px 0 0; max-width: 680px; font-size: .84rem; }
.directory-decision { color: var(--ink-2); }
.directory-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 0; }
.directory-metrics div { padding-top: 11px; border-top: 1px solid var(--line); }
.directory-metrics div:last-child { grid-column: 1 / -1; }
.directory-metrics dt { color: var(--muted); font-size: .67rem; }
.directory-metrics dd { margin: 5px 0 0; font-family: var(--mono); font-size: 1.02rem; font-variant-numeric: tabular-nums; }
.directory-action { display: grid; justify-items: start; gap: 25px; }
.empty-state { min-height: 470px; display: grid; align-content: center; justify-items: center; padding-block: 70px; text-align: center; }
.empty-state > span { color: var(--accent); font-family: var(--serif); font-size: 4rem; }
.empty-state h2 { margin: 12px 0; }
.empty-state p { max-width: 480px; }
.directory-note { padding-block: 68px; border-top: 1px solid var(--line); background: var(--canvas-deep); }
.split-note { display: grid; grid-template-columns: .7fr 1.3fr; gap: 80px; }

/* Comparison */
.comparison-picker { padding-block: 42px 80px; }
.picker-heading { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 40px; margin-bottom: 28px; }
.picker-heading h2 { margin: 0; }
.picker-heading > p { margin: 0; text-align: right; font-size: .77rem; }
.picker-controls { display: grid; grid-template-columns: minmax(0, 1fr) 46px minmax(0, 1fr); align-items: end; gap: 14px; max-width: 900px; }
.picker-controls > span { min-height: 48px; display: grid; place-items: center; font-family: var(--serif); color: var(--muted); }
.pair-view { margin-top: 34px; border-top: 1px solid var(--line); }
.pair-identities { display: grid; grid-template-columns: 1fr 90px 1fr; align-items: stretch; border-inline: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--surface); }
.pair-identities > article { min-height: 240px; display: flex; flex-direction: column; padding: 27px; }
.pair-identities > article p { font-size: .84rem; }
.pair-identities > article a { margin-top: auto; font-size: .75rem; font-weight: 800; }
.pair-identities > span { display: grid; place-items: center; border-inline: 1px solid var(--line); color: var(--muted); font-family: var(--mono); font-size: .6rem; text-transform: uppercase; writing-mode: vertical-rl; }
.pair-readout { display: grid; grid-template-columns: 200px 1fr; gap: 30px; padding: 34px 0; }
.pair-readout .eyebrow { padding-top: 3px; }
.pair-insights { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin: 0; padding: 1px; background: var(--line); list-style: none; }
.pair-insights li { min-height: 160px; padding: 21px; background: var(--surface); }
.pair-insights span { color: var(--accent-dark); font-family: var(--mono); font-size: .62rem; text-transform: uppercase; }
.pair-insights strong { display: block; margin-top: 16px; font-size: .9rem; }
.pair-insights p { margin-bottom: 0; font-size: .74rem; }
.pair-table-wrap { max-width: 100%; overflow-x: auto; border: 1px solid var(--line); background: var(--surface); }
.pair-table { width: 100%; border-collapse: collapse; table-layout: fixed; }
.pair-table caption, .flow-table caption { padding: 13px 16px; color: var(--muted); font-size: .72rem; text-align: left; }
.pair-table th, .pair-table td { padding: 16px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); vertical-align: top; text-align: left; }
.pair-table tr > *:last-child { border-right: 0; }
.pair-table tbody tr:last-child > * { border-bottom: 0; }
.pair-table thead th { background: var(--ink); color: #fff; font-family: var(--mono); font-size: .7rem; }
.pair-table thead th:first-child { width: 25%; }
.pair-table tbody th { background: var(--canvas-deep); font-size: .78rem; }
.pair-value { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; }
.pair-value > strong { font-family: var(--mono); font-size: 1rem; font-variant-numeric: tabular-nums; }
.pair-table td p { margin: 10px 0 0; font-size: .7rem; line-height: 1.45; }
.all-models-section { padding-block: 52px; border-block: 1px solid var(--line); background: var(--canvas-deep); }
.all-models { margin: 0; }
.all-models > summary { min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 30px; cursor: pointer; list-style: none; }
.all-models > summary::-webkit-details-marker { display: none; }
.all-models > summary .eyebrow { display: block; margin-bottom: 3px; }
.all-models > summary strong { font-size: 1.2rem; }
.all-models > summary > span:last-child { width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid var(--line-strong); border-radius: 50%; font-size: 1.3rem; }
.all-models[open] > summary > span:last-child { transform: rotate(45deg); }
.all-models-content { padding-top: 45px; }
.scroll-cue { margin-bottom: 10px; font-size: .77rem; }
.table-scroll { max-width: 100%; overflow-x: auto; border: 1px solid var(--line); background: var(--surface); scrollbar-gutter: stable; }
.comparison-table { min-width: 1280px; }
.comparison-row { display: grid; grid-template-columns: 190px repeat(5, minmax(210px, 1fr)); }
.comparison-row > div { padding: 18px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.comparison-row > div:last-child { border-right: 0; }
.comparison-row:last-child > div { border-bottom: 0; }
.comparison-head { background: var(--ink); color: #fff; }
.comparison-head > div { min-height: 80px; display: flex; flex-direction: column; justify-content: center; }
.comparison-head span { color: #b6c4bf; font-family: var(--mono); font-size: .65rem; }
.metric-name { position: sticky; z-index: 3; left: 0; background: var(--canvas-deep); color: var(--ink); font-size: .8rem; font-weight: 800; box-shadow: 1px 0 0 var(--line); }
.comparison-head .metric-name { z-index: 4; background: var(--ink); color: #fff; }
.metric-cell { display: flex; flex-direction: column; align-items: flex-start; gap: 7px; }
.metric-cell > strong { font-family: var(--mono); font-size: 1rem; font-variant-numeric: tabular-nums; }
.cell-note { color: var(--muted); font-size: .69rem; line-height: 1.45; }
.scenario-section { padding-block: 80px; background: var(--ink); color: #fff; }
.section-heading.light h2 { color: #fff; }
.section-heading.light .eyebrow { color: #9bd5c6; }
.section-heading.light p { color: #c3d0cb; }
.scenario-panel { padding: 26px; background: var(--surface); color: var(--ink); }
.scenario-tabs { display: flex; flex-wrap: wrap; gap: 5px; padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.scenario-tabs button { min-height: 44px; padding: 8px 13px; border: 1px solid var(--line); background: transparent; color: var(--ink); cursor: pointer; font-size: .75rem; font-weight: 800; }
.scenario-tabs button[aria-selected="true"] { border-color: var(--ink); background: var(--ink); color: #fff; }
.scenario-grid { display: grid; grid-template-columns: minmax(260px, .7fr) minmax(0, 1.3fr); gap: 46px; padding-top: 30px; }
.scenario-controls { display: grid; align-content: start; gap: 21px; }
.scenario-controls label > span { display: flex; justify-content: space-between; gap: 12px; }
.scenario-controls input[type="range"] { min-height: 38px; padding: 0; accent-color: var(--accent); }
.scenario-controls output { color: var(--accent-dark); font-family: var(--mono); font-size: 1.05rem; }
.scenario-authority { margin: 0; padding: 13px; border-left: 3px solid var(--accent); background: var(--accent-soft); font-size: .76rem; }
.scenario-output { min-height: 300px; padding: 25px; border: 1px solid var(--line); background: var(--surface-raised); }
.scenario-output h3 { font-size: 1.35rem; }
.scenario-results { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.scenario-result { padding: 15px; border: 1px solid var(--line); }
.scenario-result span { display: block; color: var(--muted); font-size: .68rem; }
.scenario-result strong { display: block; margin-top: 5px; font-family: var(--mono); font-size: 1.22rem; }
.scenario-change { margin-top: 16px; font-size: .78rem; font-weight: 800; }

/* Protocol analysis */
.protocol-hero { padding-block: 48px 60px; border-bottom: 4px solid var(--protocol-accent); background: var(--surface); }
.breadcrumbs { min-height: 38px; display: flex; align-items: center; gap: 9px; margin-bottom: 34px; color: var(--muted); font-size: .73rem; }
.breadcrumbs a { font-weight: 800; }
.protocol-hero-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(320px, .65fr); gap: 70px; align-items: end; }
.protocol-hero h1 { margin-bottom: 16px; font-size: clamp(3.6rem, 7vw, 6.5rem); }
.research-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.research-meta span { min-height: 31px; display: inline-flex; align-items: center; padding: 5px 9px; border: 1px solid var(--line); color: var(--muted); font-family: var(--mono); font-size: .61rem; text-transform: uppercase; }
.decision-card { padding: 26px; border: 1px solid var(--line); background: var(--canvas); box-shadow: 8px 8px 0 var(--canvas-deep); }
.decision-card > p:not(.eyebrow) { color: var(--ink); font-size: .93rem; }
.decision-card > a { min-height: 38px; display: inline-flex; align-items: center; margin-top: 10px; font-size: .75rem; font-weight: 800; }
.local-nav, .method-nav { position: sticky; z-index: 90; top: 72px; border-bottom: 1px solid var(--line); background: rgba(243,240,232,.98); }
.local-nav .shell, .method-nav .shell { display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none; }
.local-nav .shell::-webkit-scrollbar, .method-nav .shell::-webkit-scrollbar { display: none; }
.local-nav a, .method-nav a { min-height: 46px; flex: 0 0 auto; display: inline-flex; align-items: center; padding: 8px 12px; border-bottom: 2px solid transparent; color: var(--ink); font-size: .7rem; font-weight: 760; text-decoration: none; }
.local-nav a:hover, .method-nav a:hover { border-color: var(--accent); color: var(--accent-dark); }
.brief-section { display: grid; grid-template-columns: 240px 1fr; gap: 55px; padding-block: 54px; }
.brief-heading h2 { font-size: 1.75rem; }
.brief-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: 0; padding: 1px; background: var(--line); }
.brief-grid div { padding: 20px; background: var(--surface); }
.brief-grid dt { color: var(--accent-dark); font-family: var(--mono); font-size: .61rem; font-weight: 800; text-transform: uppercase; }
.brief-grid dd { margin: 13px 0 0; color: var(--ink-2); font-size: .78rem; }
.metric-strip { background: var(--ink); color: #fff; }
.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.metric-card { min-height: 215px; padding: 22px; border-right: 1px solid rgba(255,255,255,.15); }
.metric-card:last-child { border-right: 0; }
.metric-title { display: flex; flex-wrap: wrap; align-items: start; justify-content: space-between; gap: 7px; }
.metric-title .metric-label { margin: 0; color: #c1cec9; font-size: .72rem; font-weight: 750; }
.metric-card .status { color: #cce4dc; }
.metric-value { margin: 22px 0 8px; color: #fff; font-family: var(--mono); font-size: 1.65rem; font-variant-numeric: tabular-nums; }
.metric-card p:not(.metric-value) { margin: 0; color: #adbbb6; font-size: .68rem; }
.metric-period { padding-top: 8px; font-family: var(--mono); }
.money-flow-section { scroll-margin-top: 120px; }
.flow-system { display: grid; grid-template-columns: minmax(210px, .7fr) 64px minmax(180px, .55fr) 72px minmax(340px, 1.25fr); align-items: stretch; min-height: 330px; }
.flow-node { min-height: 190px; align-self: center; display: flex; flex-direction: column; justify-content: center; padding: 23px; border: 1px solid var(--line-strong); background: var(--surface); }
.flow-node > span:first-child { margin-bottom: 22px; color: var(--accent-dark); font-family: var(--mono); font-size: .61rem; font-weight: 800; text-transform: uppercase; }
.flow-node > strong { font-size: 1.02rem; }
.flow-node p { margin-bottom: 0; font-size: .73rem; }
.flow-pool { border-color: var(--ink); background: var(--ink); color: #fff; }
.flow-pool > span:first-child { color: #9bd5c6; }
.flow-pool > strong { color: #fff; font-family: var(--mono); font-size: 1.55rem; }
.flow-pool p { color: #b6c4be; font-family: var(--mono); }
.flow-pool .status { margin-top: 16px; color: #cce5dd; }
.flow-connector { position: relative; display: grid; place-items: center; }
.flow-connector::before { content: ""; position: absolute; left: 7px; right: 7px; top: 50%; border-top: 1px solid var(--line-strong); }
.flow-connector::after { content: ""; position: absolute; right: 7px; top: calc(50% - 4px); width: 7px; height: 7px; border-top: 1px solid var(--line-strong); border-right: 1px solid var(--line-strong); transform: rotate(45deg); }
.flow-connector span { position: relative; z-index: 1; padding: 2px 5px; background: var(--canvas); color: var(--muted); font-family: var(--mono); font-size: .57rem; text-transform: uppercase; }
.flow-recipients { display: grid; align-content: center; gap: 8px; }
.flow-recipient { --flow-color: var(--flow-other); padding: 13px 15px; border: 1px solid var(--line); background: var(--surface); }
.flow-recipient-head { display: grid; grid-template-columns: 10px 1fr auto; align-items: center; gap: 9px; }
.flow-recipient-head strong { font-size: .78rem; }
.flow-recipient-head > span:last-child { font-family: var(--mono); font-size: .75rem; }
.flow-swatch { width: 9px; height: 9px; display: inline-block; flex: 0 0 auto; background: var(--flow-color); }
.flow-recipient p { margin: 7px 0 0; font-size: .63rem; }
.flow-meter { height: 4px; margin-top: 9px; background: var(--canvas-deep); }
.flow-meter span { display: block; height: 100%; background: var(--flow-color); }
.flow-kind-supply { --flow-color: var(--flow-supply); }
.flow-kind-holder { --flow-color: var(--flow-holder); }
.flow-kind-burn { --flow-color: var(--flow-burn); }
.flow-kind-treasury { --flow-color: var(--flow-treasury); }
.flow-kind-other { --flow-color: var(--flow-other); }
.flow-kind-unknown { --flow-color: var(--flow-unknown); }
.flow-kind-unknown .flow-meter span, .flow-swatch.flow-kind-unknown, .flow-kind-unknown .flow-swatch { background: repeating-linear-gradient(135deg, var(--flow-unknown), var(--flow-unknown) 3px, #a9b0ac 3px, #a9b0ac 6px); }
.flow-table-wrap { margin-top: 26px; overflow-x: auto; border: 1px solid var(--line); background: var(--surface); }
.flow-table { width: 100%; min-width: 680px; border-collapse: collapse; }
.flow-table th, .flow-table td { padding: 12px 14px; border-top: 1px solid var(--line); text-align: left; font-size: .72rem; }
.flow-table thead th { background: var(--canvas-deep); color: var(--muted); font-family: var(--mono); font-size: .61rem; text-transform: uppercase; }
.flow-table tbody th { display: flex; align-items: center; gap: 9px; }
.traction-band { padding-block: 42px; border-block: 1px solid var(--line); background: var(--canvas-deep); }
.traction-intro { display: flex; align-items: end; justify-content: space-between; gap: 40px; margin-bottom: 20px; }
.traction-intro p { max-width: 600px; margin: 0; font-size: .75rem; }
.traction-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.traction-grid > div { padding: 18px; border: 1px solid var(--line); background: var(--surface); }
.traction-grid span { display: block; color: var(--muted); font-size: .68rem; }
.traction-grid strong { display: inline-block; margin: 6px 3px 0 0; font-family: var(--mono); font-size: 1.2rem; }
.statement-list { border-top: 1px solid var(--line); }
.statement-row { display: grid; grid-template-columns: minmax(160px, .8fr) minmax(150px, .45fr) minmax(0, 1.75fr); gap: 30px; align-items: start; padding-block: 22px; border-bottom: 1px solid var(--line); }
.statement-row h3 { margin: 0 0 7px; }
.statement-row > strong { font-family: var(--mono); font-size: 1.18rem; font-variant-numeric: tabular-nums; }
.statement-row p { margin: 0; font-size: .8rem; }
details { margin-top: 8px; }
summary { min-height: 40px; width: max-content; max-width: 100%; display: flex; align-items: center; cursor: pointer; color: var(--accent-dark); font-size: .73rem; font-weight: 800; }
details p { margin-top: 7px !important; font-size: .72rem !important; }
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding-top: 0; }
.feature-panel { padding: 32px; border: 1px solid var(--line); background: var(--surface); }
.capture-panel { border-top: 4px solid var(--flow-holder); }
.sustainability-panel { border-top: 4px solid var(--flow-treasury); }
.feature-panel h2 { font-size: 2rem; }
.evidence-columns { display: grid; grid-template-columns: repeat(3, 1fr); gap: 38px; }
.evidence-columns h2 { font-size: 1.85rem; }
.detail-list { margin: 0; padding: 0; list-style: none; }
.detail-list li { position: relative; padding: 13px 0 13px 19px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: .8rem; }
.detail-list li::before { content: ""; position: absolute; left: 0; top: 23px; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.history-section { padding-block: 64px; border-block: 1px solid var(--line); background: var(--canvas-deep); }
.history-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 70px; }
.source-ledger { margin: 0; padding: 0; list-style: none; counter-reset: source; }
.source-ledger li { position: relative; display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(270px, .6fr); gap: 35px; padding: 20px 20px 20px 52px; border-bottom: 1px solid var(--line); counter-increment: source; }
.source-ledger li::before { content: "[" counter(source) "]"; position: absolute; left: 5px; top: 22px; color: var(--accent-dark); font-family: var(--mono); font-size: .72rem; font-weight: 850; }
.source-ledger span { color: var(--muted); font-family: var(--mono); font-size: .6rem; text-transform: uppercase; }
.source-ledger h3 { margin: 4px 0 0; }
.source-ledger dl { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 0; }
.source-ledger dt { color: var(--muted); font-size: .62rem; }
.source-ledger dd { margin: 4px 0 0; font-size: .72rem; font-weight: 750; }
.next-protocol { padding-block: 55px; border-top: 1px solid var(--line); background: var(--accent-soft); }
.next-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.next-inner h2 { margin: 0; font-size: 1.9rem; }
.two-column { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 80px; }

/* Method, feedback, errors */
.method-nav { top: 72px; }
.method-nav .shell { justify-content: space-between; }
.definition-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.definition-grid article { padding: 25px; border: 1px solid var(--line); background: var(--surface); }
.definition-grid article p { margin-bottom: 0; font-size: .82rem; }
.equation-card { display: flex; flex-wrap: wrap; justify-content: center; gap: 11px; margin-top: 22px; padding: 21px; background: var(--ink); color: #fff; font-family: var(--mono); font-size: .8rem; }
.equation-card span:nth-of-type(even) { color: #8ed0bd; font-weight: 850; }
.evidence-section { background: var(--ink); color: #fff; }
.evidence-section h2 { color: #fff; }
.evidence-section .eyebrow { color: #9bd5c6; }
.status-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; }
.status-list article { padding: 21px; border: 1px solid rgba(255,255,255,.18); }
.status-list h3 { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; color: #fff; }
.status-list h3 > span:last-child { font-size: .8rem; text-transform: capitalize; }
.status-list p { color: #bac7c2; font-size: .76rem; }
.status-list .status { color: #cae5dc; }
.source-priority { margin: 0; padding: 0; list-style: none; counter-reset: priority; }
.source-priority li { display: grid; grid-template-columns: 64px .75fr 1.25fr; gap: 24px; padding: 20px 0; border-bottom: 1px solid var(--line); counter-increment: priority; }
.source-priority li::before { content: "0" counter(priority); color: var(--accent); font-family: var(--mono); }
.source-priority span { color: var(--muted); }
.rules-section { border-block: 1px solid var(--line); background: var(--surface); }
.project-status { border-top: 1px solid var(--line); background: var(--accent-soft); }
.changelog { padding-left: 19px; }
.changelog time { font-family: var(--mono); font-size: .75rem; font-weight: 800; }
.feedback-section { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 44px; padding-block: 40px 84px; }
.feedback-form { display: grid; align-content: start; gap: 19px; }
.form-heading { margin-bottom: 8px; }
.form-heading h2 { margin-bottom: 9px; }
.form-heading p:last-child { margin: 0; font-size: .75rem; }
.optional { color: var(--muted); font-weight: 500; }
.required { color: var(--danger); font-weight: 750; }
.field-count { justify-self: end; color: var(--muted); font-family: var(--mono); font-size: .63rem; font-weight: 500; }
.field-meta { display: flex; align-items: start; justify-content: space-between; gap: 18px; }
.field-help { color: var(--muted); font-size: .65rem; font-weight: 500; }
.field-error { color: var(--danger); font-size: .68rem; }
[aria-invalid="true"] { border-color: var(--danger); box-shadow: 0 0 0 2px rgba(154,48,70,.12); }
.feedback-form .button-row { margin-top: 2px; }
.form-status { min-height: 28px; margin: 0; color: var(--accent-dark); font-size: .76rem; font-weight: 800; }
.form-status.is-error { color: var(--danger); }
.feedback-preview { min-width: 0; align-self: start; padding: 28px; border: 1px solid var(--line); background: var(--surface); }
.feedback-preview pre { max-width: 100%; min-height: 340px; margin: 0; padding: 20px; overflow-x: auto; white-space: pre-wrap; overflow-wrap: anywhere; word-break: break-word; border: 1px solid var(--line); background: var(--canvas); color: var(--ink); font-family: var(--mono); font-size: .75rem; }
.privacy-note { font-size: .74rem; }
.not-found { min-height: 680px; display: grid; align-content: center; justify-items: start; padding-block: 75px; }
.error-index { margin-bottom: 22px; color: var(--accent-dark); font-family: var(--mono); font-size: .68rem; font-weight: 800; text-transform: uppercase; }
.not-found h1 { max-width: 800px; font-size: clamp(3rem, 7vw, 5.7rem); }
.not-found > p { max-width: 560px; }

@media (max-width: 1080px) {
  .header-status { display: none; }
  .header-inner { grid-template-columns: 1fr auto; }
  .home-hero { grid-template-columns: 1fr; min-height: auto; gap: 46px; }
  .hero-ledger { max-width: 720px; }
  .decision-grid { grid-template-columns: 1fr 1fr; }
  .decision-link:nth-child(2) { border-right: 0; }
  .decision-link:last-child { grid-column: 1 / -1; min-height: 230px; border-top: 1px solid var(--line); }
  .directory-tools { grid-template-columns: 1fr 1.4fr; }
  .result-count { grid-column: 1 / -1; }
  .directory-card { grid-template-columns: 50px minmax(0, 1.3fr) minmax(260px, .7fr); }
  .directory-action { grid-column: 2 / -1; grid-row: 2; display: flex; align-items: center; justify-content: space-between; }
  .flow-system { grid-template-columns: 1fr 55px 1fr; min-height: auto; }
  .flow-connector-split { display: none; }
  .flow-recipients { grid-column: 1 / -1; grid-template-columns: repeat(2, 1fr); margin-top: 18px; }
  .metric-grid { grid-template-columns: 1fr 1fr; }
  .metric-card:nth-child(2) { border-right: 0; }
  .metric-card:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.15); }
  .brief-section { grid-template-columns: 1fr; gap: 24px; }
  .evidence-columns { grid-template-columns: 1fr; gap: 45px; }
}

@media (max-width: 820px) {
  .compact-hero, .section-heading.split, .flow-primer-grid, .trust-band, .split-note, .protocol-hero-grid, .two-column, .history-grid { grid-template-columns: 1fr; gap: 34px; }
  .compact-hero { align-items: start; }
  .decision-grid { grid-template-columns: 1fr; }
  .decision-link, .decision-link:nth-child(2) { min-height: 240px; border-right: 0; border-bottom: 1px solid var(--line); }
  .decision-link:last-child { grid-column: auto; border-top: 0; border-bottom: 0; }
  .flow-primer { grid-template-columns: 1fr 1fr; }
  .flow-primer li:nth-child(2) { border-right: 0; }
  .flow-primer li:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.2); }
  .flow-primer li:nth-child(2)::after { display: none; }
  .directory-tools { grid-template-columns: 1fr; }
  .result-count { grid-column: auto; }
  .directory-card { grid-template-columns: 44px 1fr; gap: 20px; }
  .directory-metrics, .directory-action { grid-column: 2; grid-row: auto; }
  .directory-action { display: flex; }
  .pair-readout { grid-template-columns: 1fr; gap: 12px; }
  .pair-identities { grid-template-columns: 1fr; }
  .pair-identities > span { min-height: 38px; border: 0; border-block: 1px solid var(--line); writing-mode: horizontal-tb; }
  .pair-identities > article { min-height: 210px; }
  .scenario-grid { grid-template-columns: 1fr; gap: 25px; }
  .brief-grid { grid-template-columns: 1fr; }
  .feature-grid, .definition-grid { grid-template-columns: 1fr; }
  .source-ledger li { grid-template-columns: 1fr; }
  .source-ledger dl { padding-left: 0; }
  .status-list { grid-template-columns: 1fr 1fr; }
  .feedback-section { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-grid nav { justify-content: start; }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 120px; }
  .shell { width: min(100% - 28px, 1240px); }
  .site-header { backdrop-filter: none; }
  .header-inner { position: relative; min-height: 64px; display: flex; justify-content: space-between; gap: 12px; }
  .brand-copy strong { font-size: .78rem; }
  .brand-copy small { font-size: .55rem; }
  .brand-mark { width: 34px; height: 34px; }
  .site-nav { width: 100%; }
  .site-nav ul { display: grid; grid-template-columns: repeat(5, 1fr); }
  .site-nav a { justify-content: center; padding-inline: 4px; font-size: .67rem; }
  .menu-enhanced .menu-toggle { display: inline-flex; }
  .menu-enhanced .site-nav { position: absolute; top: calc(100% + 1px); left: -14px; right: -14px; width: auto; display: none; padding: 10px 14px 14px; border-bottom: 1px solid var(--line); background: var(--canvas); box-shadow: var(--shadow-raised); }
  .menu-enhanced .site-nav[data-open="true"] { display: block; }
  .menu-enhanced .site-nav ul { grid-template-columns: 1fr 1fr; gap: 4px; }
  .menu-enhanced .site-nav li:last-child { grid-column: 1 / -1; }
  .menu-enhanced .site-nav a { min-height: 48px; justify-content: flex-start; padding-inline: 12px; border: 1px solid var(--line); font-size: .78rem; }
  .local-nav, .method-nav { top: 64px; }
  h1 { font-size: clamp(2.8rem, 13vw, 4.2rem); }
  h2 { font-size: clamp(1.85rem, 8.5vw, 2.55rem); }
  .section { padding-block: 60px; }
  .home-hero { padding-block: 54px; }
  .home-hero h1 { font-size: clamp(3rem, 13.5vw, 4.2rem); }
  .page-hero { padding-block: 54px 40px; }
  .compact-hero h1 { font-size: clamp(2.9rem, 12vw, 4rem); }
  .hero-ledger { padding: 24px; }
  .decision-section, .flow-primer-section, .directory-note { padding-block: 56px; }
  .home-protocol-list a { grid-template-columns: 10px 1fr 18px; }
  .home-protocol-value { grid-column: 2; min-width: 0; text-align: left; }
  .flow-primer li { min-height: 150px; padding: 17px; }
  .directory-list { padding-bottom: 58px; }
  .directory-card { grid-template-columns: 1fr; padding: 25px 0 25px 17px; }
  .directory-card::before { top: 25px; bottom: 25px; }
  .directory-index { display: flex; flex-direction: row; writing-mode: horizontal-tb; transform: none; padding: 0; }
  .directory-metrics, .directory-action { grid-column: auto; }
  .filter-buttons { display: grid; grid-template-columns: 1fr 1fr; }
  .picker-heading { grid-template-columns: 1fr; gap: 13px; }
  .picker-heading > p { text-align: left; }
  .picker-controls { grid-template-columns: 1fr; }
  .picker-controls > span { min-height: 28px; }
  .pair-insights { grid-template-columns: 1fr; }
  .pair-table th, .pair-table td { padding: 11px 8px; }
  .pair-table thead th:first-child { width: 27%; }
  .pair-value { align-items: flex-start; }
  .pair-value > strong { font-size: .78rem; }
  .pair-table td p { font-size: .62rem; }
  .pair-table .status { font-size: .49rem; }
  .all-models-section { padding-block: 42px; }
  .comparison-row { grid-template-columns: 145px repeat(5, minmax(205px, 1fr)); }
  .comparison-table { min-width: 1170px; }
  .comparison-row > div { padding: 14px; }
  .metric-name { max-width: 145px; overflow-wrap: anywhere; }
  .scenario-section { padding-block: 60px; }
  .scenario-panel { padding: 15px; }
  .scenario-tabs { flex-wrap: nowrap; overflow-x: auto; }
  .scenario-tabs button { flex: 0 0 auto; }
  .scenario-results { grid-template-columns: 1fr; }
  .protocol-hero { padding-block: 38px 48px; }
  .breadcrumbs { margin-bottom: 24px; }
  .protocol-hero h1 { font-size: clamp(3.1rem, 15vw, 4.8rem); }
  .local-nav .shell, .method-nav .shell { width: 100%; padding-inline: 14px; }
  .brief-section { padding-block: 46px; }
  .metric-grid { grid-template-columns: 1fr 1fr; }
  .metric-card { min-height: 150px; padding: 17px 14px; }
  .metric-card:nth-child(2) { border-right: 0; }
  .metric-value { margin-top: 17px; font-size: 1.25rem; }
  .metric-note, .metric-period { display: none; }
  .flow-system { grid-template-columns: 1fr; gap: 8px; }
  .flow-node { min-height: auto; align-self: stretch; }
  .flow-connector { min-height: 42px; }
  .flow-connector::before { left: 50%; right: auto; top: 4px; bottom: 4px; border-top: 0; border-left: 1px solid var(--line-strong); }
  .flow-connector::after { right: auto; left: calc(50% - 3px); top: auto; bottom: 5px; transform: rotate(135deg); }
  .flow-connector span { align-self: center; }
  .flow-recipients { grid-column: auto; grid-template-columns: 1fr; margin-top: 0; }
  .flow-table { min-width: 610px; }
  .traction-intro { align-items: start; flex-direction: column; gap: 9px; }
  .traction-grid { grid-template-columns: 1fr; }
  .statement-row { grid-template-columns: 1fr; gap: 10px; padding-block: 19px; }
  .feature-panel { padding: 25px; }
  .source-ledger li { padding: 19px 15px 19px 45px; }
  .source-ledger dl { grid-template-columns: 1fr; }
  .next-inner { align-items: flex-start; flex-direction: column; }
  .status-list { grid-template-columns: 1fr; }
  .source-priority li { grid-template-columns: 42px 1fr; }
  .source-priority li span { grid-column: 2; }
  .feedback-preview { padding: 19px; }
  .feedback-preview pre { min-height: 280px; padding: 15px; }
}

@media (max-width: 420px) {
  .shell { width: min(100% - 22px, 1240px); }
  .brand-copy strong { font-size: .72rem; }
  .menu-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
  .menu-toggle { min-width: 44px; }
  .button { width: 100%; }
  .hero-ledger dl { grid-template-columns: 1fr; }
  .hero-ledger dl div:nth-child(odd) { border-right: 0; }
  .hero-ledger dl div:nth-child(even) { padding-left: 0; }
  .flow-primer { grid-template-columns: 1fr; }
  .flow-primer li { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.2); }
  .flow-primer li:last-child { border-bottom: 0; }
  .flow-primer li::after { display: none; }
  .directory-metrics { grid-template-columns: 1fr; }
  .directory-metrics div:last-child { grid-column: auto; }
  .directory-action { align-items: stretch; flex-direction: column; }
  .pair-identities > article { padding: 21px; }
  .pair-table th, .pair-table td { padding: 10px 6px; }
  .pair-table tbody th { font-size: .67rem; }
  .pair-table td p { display: none; }
  .metric-grid { grid-template-columns: 1fr 1fr; }
  .metric-card { min-height: 142px; }
  .metric-title { display: grid; }
  .metric-card .status { font-size: .49rem; }
  .metric-value { font-size: 1.05rem; }
  .field-meta { display: grid; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}

@media print {
  .site-header, .site-footer, .button-row, .local-nav, .method-nav, .scenario-section, .directory-tools { display: none !important; }
  body { background: #fff; color: #000; }
  .shell { width: 100%; }
  a { color: #000; text-decoration: underline; }
  .all-models > summary { display: none; }
  .all-models-content { display: block !important; }
}