/* ===== Source: chrome-spec reference ===== */

  /* =========================================================
     naijaOS — CANONICAL TOKEN SET (spec-authoritative)
     ========================================================= */
  :root {
    --ink: #0A0A0A;
    --ink-2: #2A2A28;
    --ink-3: #5C5C58;
    --ink-4: #8A8780;
    --rule: #1A1A18;
    --rule-soft: #D8D5CC;
    --paper: #FAFAF7;
    --paper-2: #F1EFE8;
    --paper-3: #E8E5DB;
    --signal: #0F7A3E;
    --signal-ink: #094D27;
    --signal-soft: #E3F0E8;
    --signal-bright: #6FCB94;
    --warn: #8B2635;
    --warn-soft: #F2E4E6;
    --amber: #B86E00;
    --amber-soft: #F5E8D5;
    --hairline: 1px;

    --f-sans: "Geist", -apple-system, BlinkMacSystemFont, sans-serif;
    --f-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    --f-serif: "Instrument Serif", Georgia, serif;

    --pad: clamp(20px, 4vw, 48px);
    /* This spec is a doctrine-class document; it declares the doctrine grid. */
    --max: 1320px;
    --read: 700px;
  }

  * { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation: none !important; transition: none !important; }
  }
  body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--f-sans);
    font-size: 16px;
    line-height: 1.5;
    font-feature-settings: "ss01", "ss02", "cv11";
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  a { color: inherit; text-decoration: none; }
  a:focus-visible, button:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; }

  /* ---------- Status bar ---------- */
  .statusbar {
    border-bottom: var(--hairline) solid var(--rule);
    background: var(--ink);
    color: var(--paper);
    font-family: var(--f-mono);
    font-size: 11px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }
  .statusbar-inner {
    max-width: var(--max); margin: 0 auto; padding: 8px var(--pad);
    display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  }
  .status-left, .status-right { display: flex; gap: 18px; align-items: center; }
  .live-dot {
    display: inline-block; width: 7px; height: 7px; border-radius: 50%;
    background: var(--signal-bright); margin-right: 7px;
    box-shadow: 0 0 0 3px rgba(111, 203, 148, 0.18);
  }

  /* ---------- Masthead ---------- */
  .masthead { border-bottom: var(--hairline) solid var(--rule); background: var(--paper); }
  .masthead-inner {
    max-width: var(--max); margin: 0 auto; padding: 18px var(--pad);
    display: flex; justify-content: space-between; align-items: baseline; gap: 20px; flex-wrap: wrap;
  }
  .wordmark { display: flex; align-items: baseline; gap: 14px; }
  .wordmark .mark { font-family: var(--f-sans); font-weight: 700; font-size: 21px; letter-spacing: -0.02em; }
  .wordmark .os { color: var(--signal); }
  .wordmark .crumb { font-family: var(--f-mono); font-size: 11px; color: var(--ink-3); letter-spacing: 0.05em; }

  /* ---------- Doctrine head (this document) ---------- */
  .doc-head { border-bottom: var(--hairline) solid var(--rule); background: var(--paper-2); }
  .doc-head-inner {
    max-width: var(--max); margin: 0 auto; padding: 56px var(--pad) 48px;
    display: grid; grid-template-columns: 1fr minmax(260px, 340px); gap: 48px; align-items: start;
  }
  @media (max-width: 820px) { .doc-head-inner { grid-template-columns: 1fr; } }
  .doc-label {
    font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.1em;
    text-transform: uppercase; color: var(--ink-3); display: flex; gap: 14px; margin-bottom: 18px;
  }
  .doc-label .id { color: var(--signal-ink); font-weight: 600; }
  .doc-head h1 {
    font-family: var(--f-sans); font-weight: 600; font-size: clamp(34px, 5vw, 52px);
    letter-spacing: -0.03em; line-height: 1.05; margin: 0 0 16px;
  }
  .doc-head h1 .em { font-family: var(--f-serif); font-style: italic; font-weight: 400; }
  .doc-sub { font-size: 17px; color: var(--ink-2); max-width: 46ch; margin: 0; line-height: 1.55; }

  .doc-panel { border: var(--hairline) solid var(--rule); background: var(--paper); }
  .doc-panel-head {
    display: flex; justify-content: space-between; padding: 10px 14px;
    border-bottom: var(--hairline) solid var(--rule);
    font-family: var(--f-mono); font-size: 10px; letter-spacing: 0.09em; text-transform: uppercase;
  }
  .doc-panel-head .st { color: var(--signal-ink); font-weight: 600; }
  .panel-row {
    display: flex; justify-content: space-between; gap: 12px; padding: 9px 14px;
    border-bottom: var(--hairline) solid var(--rule-soft); font-size: 13px;
  }
  .panel-row:last-child { border-bottom: none; }
  .panel-row .k { color: var(--ink-3); font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.04em; text-transform: uppercase; }
  .panel-row .v { font-weight: 500; text-align: right; }

  /* ---------- Spec body ---------- */
  .spec { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad) 80px; }
  .spec-section { padding: 56px 0 8px; border-bottom: var(--hairline) solid var(--rule-soft); }
  .spec-section:last-of-type { border-bottom: none; }
  .sec-marker {
    font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.1em;
    text-transform: uppercase; color: var(--signal-ink); font-weight: 600; margin-bottom: 10px;
  }
  .spec-section h2 {
    font-family: var(--f-sans); font-weight: 600; font-size: clamp(24px, 3.4vw, 32px);
    letter-spacing: -0.02em; margin: 0 0 22px; line-height: 1.15;
  }
  .spec-section h2 .em { font-family: var(--f-serif); font-style: italic; font-weight: 400; }
  .spec-section h3 {
    font-family: var(--f-mono); font-size: 12px; letter-spacing: 0.09em; text-transform: uppercase;
    color: var(--ink-2); margin: 34px 0 12px; font-weight: 600;
  }
  .spec-prose { max-width: var(--read); }
  .spec-prose p { font-size: 17px; line-height: 1.68; color: var(--ink-2); margin: 0 0 20px; }
  .spec-prose p strong { color: var(--ink); font-weight: 600; }
  .spec-prose p em { font-family: var(--f-serif); font-size: 1.06em; }

  /* Rule cards */
  .rule-card {
    border: var(--hairline) solid var(--rule); background: var(--paper);
    margin: 18px 0 26px; max-width: 860px;
  }
  .rule-card .rc-head {
    display: flex; justify-content: space-between; gap: 12px; padding: 10px 16px;
    border-bottom: var(--hairline) solid var(--rule);
    font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  }
  .rule-card .rc-id { color: var(--signal-ink); font-weight: 600; }
  .rule-card .rc-class { color: var(--ink-3); }
  .rule-card .rc-body { padding: 14px 16px 16px; font-size: 15px; line-height: 1.6; color: var(--ink-2); }
  .rule-card .rc-body p { margin: 0 0 10px; }
  .rule-card .rc-body p:last-child { margin-bottom: 0; }

  /* Token table */
  .tok-table { width: 100%; border-collapse: collapse; margin: 18px 0 26px; font-size: 13.5px; }
  .tok-table th {
    text-align: left; font-family: var(--f-mono); font-size: 10.5px; letter-spacing: 0.08em;
    text-transform: uppercase; color: var(--ink-3); font-weight: 600;
    border-bottom: var(--hairline) solid var(--rule); padding: 8px 12px 8px 0;
  }
  .tok-table td { border-bottom: var(--hairline) solid var(--rule-soft); padding: 9px 12px 9px 0; vertical-align: top; }
  .tok-table td.mono, .tok-table td:first-child { font-family: var(--f-mono); font-size: 12.5px; white-space: nowrap; }
  .swatch {
    display: inline-block; width: 13px; height: 13px; border-radius: 2px;
    border: var(--hairline) solid var(--rule-soft); vertical-align: -2px; margin-right: 8px;
  }
  .tok-note { color: var(--ink-3); font-size: 13px; }
  td .new-flag {
    font-family: var(--f-mono); font-size: 9.5px; letter-spacing: 0.07em; text-transform: uppercase;
    color: var(--paper); background: var(--signal); padding: 2px 6px; border-radius: 2px; margin-left: 8px;
  }
  td .renamed-flag {
    font-family: var(--f-mono); font-size: 9.5px; letter-spacing: 0.07em; text-transform: uppercase;
    color: var(--paper); background: var(--amber); padding: 2px 6px; border-radius: 2px; margin-left: 8px;
  }

  /* Grammar / code blocks */
  .grammar {
    background: var(--ink); color: var(--paper); font-family: var(--f-mono);
    font-size: 12.5px; line-height: 1.75; padding: 18px 20px; margin: 18px 0 26px;
    overflow-x: auto; max-width: 860px;
  }
  .grammar .cm { color: var(--ink-4); }
  .grammar .g { color: var(--signal-bright); }
  .grammar .slot { color: var(--amber-soft); }

  /* Register comparison */
  .register-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin: 22px 0 30px; }
  @media (max-width: 820px) { .register-grid { grid-template-columns: 1fr; } }
  .register-card { border: var(--hairline) solid var(--rule); background: var(--paper); }
  .register-card .reg-head {
    background: var(--ink); color: var(--paper); padding: 12px 16px;
    font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.09em; text-transform: uppercase;
    display: flex; justify-content: space-between; gap: 10px;
  }
  .register-card .reg-head .cls { color: var(--signal-bright); font-weight: 600; }
  .reg-row {
    display: grid; grid-template-columns: 118px 1fr; gap: 12px; padding: 10px 16px;
    border-bottom: var(--hairline) solid var(--rule-soft); font-size: 13.5px;
  }
  .reg-row:last-child { border-bottom: none; }
  .reg-row .k { font-family: var(--f-mono); font-size: 10.5px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); padding-top: 2px; }
  .reg-row .v { color: var(--ink-2); line-height: 1.5; }
  .reg-row .v code { font-family: var(--f-mono); font-size: 12px; background: var(--paper-2); padding: 1px 5px; border-radius: 2px; }

  /* Migration checklist */
  .fix-list { max-width: 860px; margin: 18px 0 26px; border: var(--hairline) solid var(--rule); }
  .fix-row {
    display: grid; grid-template-columns: 74px 1fr; gap: 14px; padding: 14px 16px;
    border-bottom: var(--hairline) solid var(--rule-soft);
  }
  .fix-row:last-child { border-bottom: none; }
  .fix-row .fid { font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.06em; color: var(--signal-ink); font-weight: 600; padding-top: 2px; }
  .fix-row .fbody { font-size: 14.5px; line-height: 1.6; color: var(--ink-2); }
  .fix-row .fbody strong { color: var(--ink); font-weight: 600; }
  .fix-row .fbody code { font-family: var(--f-mono); font-size: 12.5px; background: var(--paper-2); padding: 1px 5px; border-radius: 2px; }
  .fix-row .scope { font-family: var(--f-mono); font-size: 10.5px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--ink-4); display: block; margin-top: 6px; }

  /* Footer */
  .footer { border-top: var(--hairline) solid var(--rule); background: var(--ink); color: var(--paper); }
  .footer-inner {
    max-width: var(--max); margin: 0 auto; padding: 20px var(--pad);
    display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
    font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.05em; text-transform: uppercase;
  }
  .footer .os { color: var(--signal-bright); }
  .footer .right { display: flex; gap: 20px; }


/* ===== Source: naijaos-doctrine-wealth-without-a-story.html ===== */

  /* =========================================================
     naijaOS — design tokens (inherited from system root)
     ========================================================= */
  :root {
    --ink: #0A0A0A;
    --ink-2: #2A2A28;
    --ink-3: #5C5C58;
    --rule: #1A1A18;
    --rule-soft: #D8D5CC;
    --paper: #FAFAF7;
    --paper-2: #F1EFE8;
    --paper-3: #E8E5DB;
    --signal: #0F7A3E;
    --signal-ink: #094D27;
    --signal-soft: #6FCB94;
    --warn: #8B2635;
    --hairline: 1px;

    --f-sans: "Geist", -apple-system, BlinkMacSystemFont, sans-serif;
    --f-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    --f-serif: "Instrument Serif", Georgia, serif;

    --pad: clamp(20px, 4vw, 48px);
    --max: 1320px;
    --read: 700px;
  }

  * { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation: none !important; transition: none !important; }
  }
  body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--f-sans);
    font-size: 16px;
    line-height: 1.5;
    font-feature-settings: "ss01", "ss02", "cv11";
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  a { color: inherit; text-decoration: none; }
  a:focus-visible, button:focus-visible {
    outline: 2px solid var(--signal);
    outline-offset: 3px;
  }

  /* =========================================================
     Status bar
     ========================================================= */
  .statusbar {
    border-bottom: var(--hairline) solid var(--rule);
    background: var(--ink);
    color: var(--paper);
    font-family: var(--f-mono);
    font-size: 11px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }
  .statusbar-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 8px var(--pad);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
  }
  .status-left { display: flex; gap: 18px; align-items: center; }
  .status-right { display: flex; gap: 18px; align-items: center; opacity: 0.7; }
  .live-dot {
    display: inline-block;
    width: 6px; height: 6px;
    background: var(--signal);
    border-radius: 50%;
    margin-right: 6px;
    box-shadow: 0 0 0 0 rgba(15,122,62,0.7);
    animation: pulse 2.4s infinite;
    vertical-align: middle;
  }
  @keyframes pulse {
    0%   { box-shadow: 0 0 0 0 rgba(15,122,62,0.6); }
    70%  { box-shadow: 0 0 0 6px rgba(15,122,62,0); }
    100% { box-shadow: 0 0 0 0 rgba(15,122,62,0); }
  }
  @media (max-width: 720px) {
    .status-right span:nth-child(1) { display: none; }
  }

  /* =========================================================
     Masthead
     ========================================================= */
  .masthead {
    border-bottom: var(--hairline) solid var(--rule);
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(8px);
    background: rgba(250, 250, 247, 0.92);
  }
  .masthead-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 14px var(--pad);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }
  .wordmark { display: flex; align-items: baseline; gap: 12px; }
  .wordmark .mark {
    font-family: var(--f-mono);
    font-weight: 600;
    font-size: 20px;
    letter-spacing: -0.02em;
  }
  .wordmark .mark .os { color: var(--signal); }
  .wordmark .tagline {
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--ink-3);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border-left: var(--hairline) solid var(--rule-soft);
    padding-left: 12px;
  }
  @media (max-width: 640px) { .wordmark .tagline { display: none; } }
  .nav {
    display: flex;
    gap: 28px;
    font-family: var(--f-mono);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }
  .nav a { color: var(--ink-2); transition: color 0.15s; position: relative; }
  .nav a:hover { color: var(--signal); }
  .nav a.active { color: var(--ink); font-weight: 500; }
  .nav a.active::after,
  .nav a:hover::after {
    content: "";
    position: absolute;
    left: 0; bottom: -6px;
    width: 100%; height: 2px;
    background: var(--signal);
  }
  @media (max-width: 860px) { .nav { display: none; } }

  /* =========================================================
     Doctrine header
     ========================================================= */
  .doc-head {
    border-bottom: var(--hairline) solid var(--rule);
  }
  .doc-head-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: clamp(48px, 8vw, 96px) var(--pad) clamp(40px, 6vw, 64px);
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: clamp(24px, 4vw, 64px);
    align-items: end;
  }
  @media (max-width: 900px) { .doc-head-inner { grid-template-columns: 1fr; } }
  .doc-label {
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ink-3);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .doc-label::before {
    content: "";
    width: 24px; height: 1px;
    background: var(--ink);
  }
  .doc-label .id { color: var(--signal-ink); }
  .doc-head h1 {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: clamp(38px, 6.5vw, 84px);
    line-height: 0.98;
    letter-spacing: -0.035em;
    margin: 0 0 20px;
  }
  .doc-head h1 .em {
    font-family: var(--f-serif);
    font-weight: 400;
    font-style: italic;
    color: var(--signal-ink);
    letter-spacing: -0.02em;
  }
  .doc-sub {
    font-family: var(--f-serif);
    font-style: italic;
    font-size: clamp(18px, 2vw, 23px);
    color: var(--ink-2);
    margin: 0;
    max-width: 44ch;
    line-height: 1.35;
  }

  .doc-panel {
    border: var(--hairline) solid var(--rule);
    background: var(--paper-2);
    padding: 24px;
    font-family: var(--f-mono);
    font-size: 12px;
  }
  .doc-panel-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: var(--hairline) solid var(--rule-soft);
    padding-bottom: 12px;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 10px;
    color: var(--ink-3);
  }
  .doc-panel-head .st { color: var(--signal); }
  .panel-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: var(--hairline) dashed var(--rule-soft);
    align-items: baseline;
    gap: 12px;
  }
  .panel-row:last-child { border-bottom: none; }
  .panel-row .k { color: var(--ink-3); font-size: 11px; }
  .panel-row .v { color: var(--ink); font-weight: 500; text-align: right; }

  /* =========================================================
     Command blocks — the doctrine's signature device.
     The legacy commandment boots the page; the proposed
     commandment closes it.
     ========================================================= */
  .command {
    background: var(--ink);
    color: var(--paper);
    border-bottom: var(--hairline) solid var(--rule);
  }
  .command-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: clamp(36px, 5vw, 56px) var(--pad);
    font-family: var(--f-mono);
  }
  .command-src {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: rgba(250,250,247,0.45);
    margin-bottom: 16px;
  }
  .command-line {
    font-size: clamp(17px, 2.6vw, 28px);
    font-weight: 500;
    letter-spacing: 0.01em;
    line-height: 1.35;
    margin: 0;
  }
  .command-line .prompt { color: var(--signal-soft); margin-right: 12px; }
  .command-line .cursor {
    display: inline-block;
    width: 0.55em; height: 1.05em;
    background: var(--signal-soft);
    vertical-align: text-bottom;
    margin-left: 8px;
    animation: blink 1.1s steps(1) infinite;
  }
  @keyframes blink { 50% { opacity: 0; } }
  .command-note {
    margin-top: 16px;
    font-size: 11px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: rgba(250,250,247,0.45);
  }
  .command-note .flag-warn { color: #D98A96; }
  .command-note .flag-ok { color: var(--signal-soft); }

  /* =========================================================
     Essay body
     ========================================================= */
  .essay {
    border-bottom: var(--hairline) solid var(--rule);
  }
  .essay-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 var(--pad);
  }
  .essay-section {
    display: grid;
    grid-template-columns: 200px minmax(0, var(--read)) 1fr;
    gap: clamp(24px, 4vw, 56px);
    padding: clamp(40px, 6vw, 72px) 0;
    border-bottom: var(--hairline) solid var(--rule-soft);
  }
  .essay-section:last-child { border-bottom: none; }
  @media (max-width: 900px) {
    .essay-section { grid-template-columns: 1fr; gap: 16px; }
  }
  .sec-marker {
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ink-3);
    padding-top: 6px;
  }
  .sec-marker .sig { color: var(--signal-ink); display: block; font-size: 18px; margin-bottom: 8px; }
  .essay h2 {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: clamp(24px, 3vw, 34px);
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin: 0 0 24px;
  }
  .essay p {
    font-size: 17px;
    line-height: 1.68;
    color: var(--ink-2);
    margin: 0 0 22px;
  }
  .essay p:last-child { margin-bottom: 0; }
  .essay p strong { color: var(--ink); font-weight: 600; }
  .essay p em { font-family: var(--f-serif); font-size: 1.06em; }
  .pull {
    font-family: var(--f-serif);
    font-style: italic;
    font-size: clamp(21px, 2.6vw, 27px);
    line-height: 1.35;
    letter-spacing: -0.01em;
    color: var(--ink);
    border-left: 2px solid var(--signal);
    padding: 6px 0 6px 20px;
    margin: 30px 0;
  }
  .callout-warn {
    border-left: 2px solid var(--warn);
    background: var(--paper-2);
    padding: 20px 22px;
    margin: 30px 0;
  }
  .callout-warn .tag {
    font-family: var(--f-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--warn);
    display: block;
    margin-bottom: 10px;
  }
  .callout-warn p {
    font-family: var(--f-serif);
    font-style: italic;
    font-size: 19px;
    line-height: 1.4;
    color: var(--ink);
    margin: 0;
  }

  /* =========================================================
     Manifesto strip — mid-essay held line
     ========================================================= */
  .manifesto {
    background: var(--ink);
    color: var(--paper);
    border-bottom: var(--hairline) solid var(--rule);
  }
  .manifesto-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: clamp(64px, 9vw, 120px) var(--pad);
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 48px;
    align-items: start;
  }
  @media (max-width: 720px) {
    .manifesto-inner { grid-template-columns: 1fr; gap: 24px; }
  }
  .manifesto-label {
    font-family: var(--f-mono);
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(250,250,247,0.5);
  }
  .manifesto-text {
    font-family: var(--f-serif);
    font-size: clamp(28px, 4.5vw, 54px);
    line-height: 1.12;
    letter-spacing: -0.02em;
    margin: 0;
    color: var(--paper);
  }
  .manifesto-text .accent { font-style: italic; color: var(--signal-soft); }

  /* =========================================================
     Two-model comparison grid
     ========================================================= */
  .models {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border: var(--hairline) solid var(--rule);
    margin: 32px 0 8px;
  }
  @media (max-width: 720px) { .models { grid-template-columns: 1fr; } }
  .model {
    padding: 26px 24px 30px;
  }
  .model + .model { border-left: var(--hairline) solid var(--rule); }
  @media (max-width: 720px) {
    .model + .model { border-left: none; border-top: var(--hairline) solid var(--rule); }
  }
  .model-tag {
    font-family: var(--f-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
  }
  .model-tag::before { content: ""; width: 6px; height: 6px; border-radius: 50%; }
  .model.access .model-tag { color: var(--warn); }
  .model.access .model-tag::before { background: var(--warn); }
  .model.procedural .model-tag { color: var(--signal-ink); }
  .model.procedural .model-tag::before { background: var(--signal); }
  .model h3 {
    font-family: var(--f-sans);
    font-weight: 600;
    font-size: 22px;
    letter-spacing: -0.015em;
    margin: 0 0 12px;
  }
  .model p {
    font-size: 14.5px;
    line-height: 1.6;
    color: var(--ink-2);
    margin: 0 0 14px;
  }
  .model .verdict {
    font-family: var(--f-serif);
    font-style: italic;
    font-size: 16.5px;
    color: var(--ink);
    border-top: var(--hairline) dashed var(--rule-soft);
    padding-top: 14px;
    margin: 0;
  }

  /* =========================================================
     Doctrine statement block
     ========================================================= */
  .doctrine-block {
    border: var(--hairline) solid var(--rule);
    background: var(--paper-2);
    padding: clamp(28px, 4vw, 44px);
    margin: 32px 0;
  }
  .doctrine-block .tag {
    font-family: var(--f-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--signal-ink);
    display: block;
    margin-bottom: 16px;
  }
  .doctrine-block p {
    font-family: var(--f-serif);
    font-size: clamp(21px, 2.8vw, 28px);
    line-height: 1.35;
    letter-spacing: -0.01em;
    color: var(--ink);
    margin: 0;
  }

  /* =========================================================
     Closing declaration + footer
     ========================================================= */
  .closing p.final {
    font-family: var(--f-serif);
    font-style: italic;
    font-size: clamp(19px, 2.2vw, 24px);
    line-height: 1.45;
    color: var(--ink);
  }
  .footer {
    background: var(--ink);
    color: var(--paper);
  }
  .footer-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 32px var(--pad) 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }
  .footer .left { color: rgba(250,250,247,0.85); }
  .footer .left .os { color: var(--signal-soft); }
  .footer .right { color: rgba(250,250,247,0.45); display: flex; gap: 20px; flex-wrap: wrap; }


/* ===== Source: naijaos-s01-fuel-food.html ===== */

  :root {
    --ink: #0A0A0A;
    --ink-2: #2A2A28;
    --ink-3: #5C5C58;
    --ink-4: #8A8780;
    --rule: #1A1A18;
    --rule-soft: #D8D5CC;
    --paper: #FAFAF7;
    --paper-2: #F1EFE8;
    --paper-3: #E8E5DB;
    --signal: #0F7A3E;
    --signal-ink: #094D27;
    --signal-soft: #E3F0E8;
    --warn: #8B2635;
    --warn-soft: #F2E4E6;
    --amber: #B86E00;
    --amber-soft: #F5E8D5;
    --hairline: 1px;

    --f-sans: "Geist", -apple-system, BlinkMacSystemFont, sans-serif;
    --f-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    --f-serif: "Instrument Serif", Georgia, serif;

    --pad: clamp(20px, 4vw, 48px);
    --max: 1100px;
    --read: 680px;
  }

  * { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
  body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--f-sans);
    font-size: 17px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: "ss01", "cv11";
  }
  a { color: inherit; text-decoration: none; }

  /* status bar */
  .statusbar {
    border-bottom: var(--hairline) solid var(--rule);
    background: var(--ink);
    color: var(--paper);
    font-family: var(--f-mono);
    font-size: 11px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }
  .statusbar-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 8px var(--pad);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
  }
  .status-left { display: flex; gap: 18px; align-items: center; }
  .status-right { display: flex; gap: 18px; align-items: center; opacity: 0.7; }
  .live-dot {
    display: inline-block;
    width: 6px; height: 6px;
    background: var(--signal);
    border-radius: 50%;
    margin-right: 6px;
    animation: pulse 2.4s infinite;
    vertical-align: middle;
  }
  @keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(15,122,62,0.6); }
    70% { box-shadow: 0 0 0 6px rgba(15,122,62,0); }
    100% { box-shadow: 0 0 0 0 rgba(15,122,62,0); }
  }
  @media (max-width: 720px) {
    .status-right span:nth-child(1) { display: none; }
  }

  /* masthead */
  .masthead {
    border-bottom: var(--hairline) solid var(--rule);
    background: rgba(250, 250, 247, 0.92);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 50;
  }
  .masthead-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 14px var(--pad);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }
  .wordmark { display: flex; align-items: baseline; gap: 12px; }
  .wordmark .mark {
    font-family: var(--f-mono);
    font-weight: 600;
    font-size: 18px;
    letter-spacing: -0.02em;
  }
  .wordmark .mark .os { color: var(--signal); }
  .wordmark .crumb {
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--ink-3);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border-left: var(--hairline) solid var(--rule-soft);
    padding-left: 12px;
  }
  .nav-back {
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--ink-2);
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }
  .nav-back:hover { color: var(--signal); }
  .nav-back .arr { color: var(--signal); margin-right: 6px; }

  /* deference banner */
  .defer-banner {
    background: var(--paper-2);
    border-bottom: var(--hairline) solid var(--rule-soft);
  }
  .defer-banner-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 14px var(--pad);
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ink-3);
  }
  .defer-banner .label { color: var(--ink); font-weight: 500; }
  .defer-banner .target { color: var(--signal-ink); font-weight: 500; }
  .defer-banner .target:hover { color: var(--signal); }
  .defer-banner .arr { color: var(--signal); margin: 0 6px; }

  /* post header */
  .post-head {
    border-bottom: var(--hairline) solid var(--rule);
    background: var(--paper);
  }
  .post-head-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: clamp(40px, 6vw, 72px) var(--pad) clamp(32px, 5vw, 48px);
  }
  .post-meta {
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink-3);
    margin-bottom: 28px;
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    align-items: center;
  }
  .post-meta .pill {
    border: var(--hairline) solid var(--ink);
    padding: 4px 10px;
    color: var(--ink);
    background: var(--paper);
  }
  .post-meta .sep::before {
    content: "//";
    color: var(--signal);
    margin-right: 6px;
  }
  .post-title {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: clamp(34px, 5.5vw, 60px);
    line-height: 1.04;
    letter-spacing: -0.03em;
    margin: 0 0 24px;
    max-width: 18ch;
  }
  .post-title .em {
    font-family: var(--f-serif);
    font-weight: 400;
    font-style: italic;
    color: var(--signal-ink);
    letter-spacing: -0.015em;
  }
  .post-deck {
    font-size: clamp(17px, 1.7vw, 20px);
    line-height: 1.5;
    color: var(--ink-2);
    max-width: 60ch;
    margin: 0;
  }

  /* TOC */
  .toc {
    border-bottom: var(--hairline) solid var(--rule);
    background: var(--paper-2);
  }
  .toc-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 20px var(--pad);
    display: flex;
    gap: 32px;
    align-items: baseline;
    flex-wrap: wrap;
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink-3);
  }
  .toc-label { color: var(--ink); }
  .toc-list { display: flex; gap: 24px; flex-wrap: wrap; }
  .toc-list a { color: var(--ink-2); transition: color 0.15s; }
  .toc-list a:hover { color: var(--signal); }
  .toc-list a .num { color: var(--signal); margin-right: 6px; }

  /* article */
  article.post {
    max-width: var(--max);
    margin: 0 auto;
    padding: clamp(40px, 6vw, 72px) var(--pad);
  }
  .post section {
    margin-bottom: clamp(48px, 6vw, 72px);
    scroll-margin-top: 80px;
  }
  .sec-label {
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ink-3);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .sec-label::before {
    content: "";
    width: 24px;
    height: 1px;
    background: var(--ink);
  }
  .sec-label .id { color: var(--ink); font-weight: 500; }
  .sec-title {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: clamp(26px, 3.4vw, 36px);
    line-height: 1.1;
    letter-spacing: -0.025em;
    margin: 0 0 24px;
    max-width: 26ch;
    color: var(--ink);
  }
  .post p {
    max-width: var(--read);
    margin: 0 0 18px;
    color: var(--ink);
  }
  .post p.lede {
    font-size: 19px;
    color: var(--ink-2);
    max-width: 60ch;
  }
  .post strong { font-weight: 600; color: var(--ink); }
  .post em { font-style: italic; }

  .post a.pillar-link {
    color: var(--signal-ink);
    border-bottom: 1px solid var(--rule-soft);
    transition: color 0.15s, border-color 0.15s;
  }
  .post a.pillar-link:hover {
    color: var(--signal);
    border-bottom-color: var(--signal);
  }

  /* thesis */
  .thesis {
    font-family: var(--f-serif);
    font-size: clamp(22px, 2.6vw, 30px);
    line-height: 1.25;
    letter-spacing: -0.012em;
    color: var(--ink);
    border-left: 2px solid var(--ink);
    padding: 6px 0 6px 22px;
    margin: 32px 0;
    max-width: 32ch;
  }
  .thesis em { font-style: italic; color: var(--signal-ink); }

  /* verify */
  .verify {
    border-left: 3px solid var(--warn);
    background: var(--warn-soft);
    padding: 18px 22px;
    margin: 24px 0;
    max-width: var(--read);
  }
  .verify .head {
    font-family: var(--f-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--warn);
    margin-bottom: 8px;
    font-weight: 600;
  }
  .verify p {
    margin: 0;
    color: #3a1a20;
    font-size: 15px;
    line-height: 1.55;
  }

  /* TRANSMISSION DIAGRAM */
  .diagram-wrap {
    border: var(--hairline) solid var(--rule);
    background: var(--paper-2);
    padding: 32px 28px;
    margin: 32px 0;
    overflow-x: auto;
  }
  .diagram-head {
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink);
    font-weight: 500;
    margin-bottom: 22px;
    padding-bottom: 14px;
    border-bottom: var(--hairline) solid var(--rule-soft);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
  }
  .diagram-head .sub {
    color: var(--ink-3);
    font-weight: 400;
  }
  .transmission-svg {
    width: 100%;
    min-width: 720px;
    height: auto;
    display: block;
  }
  .diagram-key {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    margin-top: 22px;
    padding-top: 16px;
    border-top: var(--hairline) solid var(--rule-soft);
    font-family: var(--f-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink-3);
  }
  .diagram-key .key-item {
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .diagram-key .swatch {
    width: 14px;
    height: 14px;
    border: var(--hairline) solid var(--ink);
  }
  .diagram-key .swatch.fuel { background: var(--ink); }
  .diagram-key .swatch.transport { background: var(--warn); }
  .diagram-key .swatch.staples { background: var(--amber); }
  .diagram-key .swatch.proteins { background: var(--signal); }

  /* HISTORICAL TABLE */
  .history-panel {
    border: var(--hairline) solid var(--rule);
    background: var(--paper-2);
    padding: 0;
    margin: 32px 0;
    font-family: var(--f-mono);
    max-width: var(--read);
    overflow: hidden;
  }
  .history-panel .head {
    background: var(--ink);
    color: var(--paper);
    padding: 14px 22px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    flex-wrap: wrap;
    gap: 8px;
  }
  .history-panel .head .scope { opacity: 0.7; }
  .history-panel .table-grid {
    display: grid;
    grid-template-columns: 130px repeat(3, 1fr);
    background: var(--paper-2);
  }
  @media (max-width: 600px) {
    .history-panel .table-grid {
      grid-template-columns: 110px repeat(3, 1fr);
      font-size: 11px;
    }
  }
  .history-panel .cell {
    padding: 12px 14px;
    border-bottom: var(--hairline) solid var(--rule-soft);
    border-right: var(--hairline) solid var(--rule-soft);
    font-size: 12px;
  }
  .history-panel .cell:nth-child(4n) { border-right: none; }
  .history-panel .cell.row-head {
    background: var(--paper);
    color: var(--ink);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-size: 10px;
    font-weight: 500;
  }
  .history-panel .cell.col-head {
    background: var(--paper);
    color: var(--signal-ink);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 10px;
    font-weight: 600;
  }
  .history-panel .cell.row-head.col-head {
    background: var(--paper);
    color: var(--ink-3);
  }
  .history-panel .cell .v {
    color: var(--ink);
    font-weight: 500;
  }
  .history-panel .cell .delta {
    color: var(--ink-3);
    font-size: 10px;
    margin-top: 2px;
    display: block;
  }
  .history-panel .cell .delta.up { color: var(--warn); }
  .history-panel .cell .delta.down { color: var(--signal-ink); }
  .history-panel .foot {
    padding: 12px 22px;
    background: var(--paper);
    font-size: 10px;
    color: var(--ink-3);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    line-height: 1.5;
  }

  /* breakdown rows */
  .breakdown {
    border-top: var(--hairline) solid var(--rule);
    margin-top: 28px;
  }
  .breakdown-row {
    border-bottom: var(--hairline) solid var(--rule);
    padding: 22px 0;
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: 20px;
    align-items: baseline;
  }
  @media (max-width: 560px) {
    .breakdown-row { grid-template-columns: 44px 1fr; gap: 14px; }
  }
  .breakdown-row .idx {
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--signal);
    letter-spacing: 0.06em;
    padding-top: 4px;
  }
  .breakdown-row .body h4 {
    font-family: var(--f-sans);
    font-weight: 600;
    font-size: 18px;
    line-height: 1.3;
    letter-spacing: -0.01em;
    margin: 0 0 8px;
  }
  .breakdown-row .body p {
    margin: 0;
    color: var(--ink-2);
    max-width: 60ch;
    font-size: 16px;
  }
  .breakdown-row .body p + p { margin-top: 8px; }

  /* CASE BANNER */
  .case-banner {
    margin-top: 56px;
    margin-bottom: 28px;
    padding: 0;
    border-top: 2px solid var(--ink);
  }
  .case-banner-inner {
    padding: 18px 0 6px;
  }
  .case-banner .case-id {
    font-family: var(--f-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--signal);
    font-weight: 600;
    margin-bottom: 8px;
  }
  .case-banner h3 {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: clamp(22px, 2.6vw, 28px);
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin: 0 0 6px;
    color: var(--ink);
    max-width: 32ch;
  }
  .case-banner h3 .em {
    font-family: var(--f-serif);
    font-style: italic;
    color: var(--signal-ink);
  }
  .case-banner .case-desc {
    font-size: 15px;
    color: var(--ink-2);
    max-width: 56ch;
    margin: 8px 0 0;
    line-height: 1.5;
  }

  /* asymmetry callout */
  .asym-call {
    border: var(--hairline) solid var(--ink);
    background: var(--paper);
    padding: 24px 26px;
    margin: 32px 0;
    max-width: var(--read);
    position: relative;
  }
  .asym-call::before {
    content: "STRUCTURAL ASYMMETRY";
    position: absolute;
    top: -10px;
    left: 22px;
    background: var(--ink);
    color: var(--paper);
    font-family: var(--f-mono);
    font-size: 10px;
    letter-spacing: 0.12em;
    padding: 3px 10px;
  }
  .asym-call h4 {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: 19px;
    line-height: 1.25;
    margin: 6px 0 10px;
    letter-spacing: -0.015em;
  }
  .asym-call p {
    margin: 0 0 12px;
    font-size: 15px;
    line-height: 1.55;
    color: var(--ink-2);
    max-width: none;
  }
  .asym-call p:last-child { margin-bottom: 0; }

  /* CTA strip */
  .cta-strip {
    border-top: 2px solid var(--ink);
    border-bottom: var(--hairline) solid var(--rule);
    background: var(--paper-2);
    padding: clamp(40px, 5vw, 64px) 0;
  }
  .cta-strip-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 var(--pad);
  }
  .cta-strip h3 {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: clamp(22px, 2.6vw, 28px);
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin: 0 0 8px;
    max-width: 32ch;
  }
  .cta-strip p {
    color: var(--ink-2);
    margin: 0 0 28px;
    max-width: 56ch;
  }
  .cta-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border: var(--hairline) solid var(--rule);
    background: var(--paper);
  }
  @media (max-width: 720px) {
    .cta-cards { grid-template-columns: 1fr; }
  }
  .cta-card {
    border-right: var(--hairline) solid var(--rule);
    padding: 22px 22px 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: background 0.15s;
  }
  .cta-card:last-child { border-right: none; }
  @media (max-width: 720px) {
    .cta-card { border-right: none; border-bottom: var(--hairline) solid var(--rule); }
    .cta-card:last-child { border-bottom: none; }
  }
  .cta-card:hover { background: var(--paper-2); }
  .cta-card .ck {
    font-family: var(--f-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--signal);
  }
  .cta-card h4 {
    font-family: var(--f-sans);
    font-size: 17px;
    font-weight: 500;
    line-height: 1.3;
    margin: 0;
    letter-spacing: -0.01em;
  }
  .cta-card .arr {
    margin-top: auto;
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--ink-3);
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }
  .cta-card .arr .a { color: var(--signal); margin-right: 6px; }

  /* FAQ */
  .faq-block {
    border-top: var(--hairline) solid var(--rule);
    margin-top: 28px;
  }
  .faq-row {
    border-bottom: var(--hairline) solid var(--rule);
    padding: 24px 0;
  }
  .faq-row .q {
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--signal);
    margin-bottom: 10px;
  }
  .faq-row h4 {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: 19px;
    line-height: 1.3;
    margin: 0 0 12px;
    letter-spacing: -0.015em;
    max-width: 56ch;
  }
  .faq-row p {
    margin: 0;
    color: var(--ink-2);
    font-size: 16px;
    line-height: 1.55;
    max-width: 64ch;
  }

  /* footer */
  footer.docfoot {
    border-top: var(--hairline) solid var(--rule);
    background: var(--ink);
    color: var(--paper);
  }
  footer.docfoot .inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 32px var(--pad);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    opacity: 0.85;
  }


/* ===== Source: naijaos-s02-naira-dollar.html ===== */

  :root {
    --ink: #0A0A0A;
    --ink-2: #2A2A28;
    --ink-3: #5C5C58;
    --ink-4: #8A8780;
    --rule: #1A1A18;
    --rule-soft: #D8D5CC;
    --paper: #FAFAF7;
    --paper-2: #F1EFE8;
    --paper-3: #E8E5DB;
    --signal: #0F7A3E;
    --signal-ink: #094D27;
    --signal-soft: #E3F0E8;
    --warn: #8B2635;
    --warn-soft: #F2E4E6;
    --amber: #B86E00;
    --amber-soft: #F5E8D5;
    --hairline: 1px;

    --f-sans: "Geist", -apple-system, BlinkMacSystemFont, sans-serif;
    --f-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    --f-serif: "Instrument Serif", Georgia, serif;

    --pad: clamp(20px, 4vw, 48px);
    --max: 1100px;
    --read: 680px;
  }

  * { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
  body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--f-sans);
    font-size: 17px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: "ss01", "cv11";
  }
  a { color: inherit; text-decoration: none; }

  /* status bar */
  .statusbar {
    border-bottom: var(--hairline) solid var(--rule);
    background: var(--ink);
    color: var(--paper);
    font-family: var(--f-mono);
    font-size: 11px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }
  .statusbar-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 8px var(--pad);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
  }
  .status-left { display: flex; gap: 18px; align-items: center; }
  .status-right { display: flex; gap: 18px; align-items: center; opacity: 0.7; }
  .live-dot {
    display: inline-block;
    width: 6px; height: 6px;
    background: var(--signal);
    border-radius: 50%;
    margin-right: 6px;
    animation: pulse 2.4s infinite;
    vertical-align: middle;
  }
  @keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(15,122,62,0.6); }
    70% { box-shadow: 0 0 0 6px rgba(15,122,62,0); }
    100% { box-shadow: 0 0 0 0 rgba(15,122,62,0); }
  }
  @media (max-width: 720px) {
    .status-right span:nth-child(1) { display: none; }
  }

  /* masthead */
  .masthead {
    border-bottom: var(--hairline) solid var(--rule);
    background: rgba(250, 250, 247, 0.92);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 50;
  }
  .masthead-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 14px var(--pad);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }
  .wordmark { display: flex; align-items: baseline; gap: 12px; }
  .wordmark .mark {
    font-family: var(--f-mono);
    font-weight: 600;
    font-size: 18px;
    letter-spacing: -0.02em;
  }
  .wordmark .mark .os { color: var(--signal); }
  .wordmark .crumb {
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--ink-3);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border-left: var(--hairline) solid var(--rule-soft);
    padding-left: 12px;
  }
  .nav-back {
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--ink-2);
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }
  .nav-back:hover { color: var(--signal); }
  .nav-back .arr { color: var(--signal); margin-right: 6px; }

  /* deference banner */
  .defer-banner {
    background: var(--paper-2);
    border-bottom: var(--hairline) solid var(--rule-soft);
  }
  .defer-banner-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 14px var(--pad);
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ink-3);
  }
  .defer-banner .label { color: var(--ink); font-weight: 500; }
  .defer-banner .target { color: var(--signal-ink); font-weight: 500; }
  .defer-banner .target:hover { color: var(--signal); }
  .defer-banner .arr { color: var(--signal); margin: 0 6px; }

  /* post header */
  .post-head {
    border-bottom: var(--hairline) solid var(--rule);
    background: var(--paper);
  }
  .post-head-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: clamp(40px, 6vw, 72px) var(--pad) clamp(32px, 5vw, 48px);
  }
  .post-meta {
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink-3);
    margin-bottom: 28px;
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    align-items: center;
  }
  .post-meta .pill {
    border: var(--hairline) solid var(--ink);
    padding: 4px 10px;
    color: var(--ink);
    background: var(--paper);
  }
  .post-meta .sep::before {
    content: "//";
    color: var(--signal);
    margin-right: 6px;
  }
  .post-title {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: clamp(34px, 5.5vw, 60px);
    line-height: 1.04;
    letter-spacing: -0.03em;
    margin: 0 0 24px;
    max-width: 18ch;
  }
  .post-title .em {
    font-family: var(--f-serif);
    font-weight: 400;
    font-style: italic;
    color: var(--signal-ink);
    letter-spacing: -0.015em;
  }
  .post-deck {
    font-size: clamp(17px, 1.7vw, 20px);
    line-height: 1.5;
    color: var(--ink-2);
    max-width: 60ch;
    margin: 0;
  }

  /* TOC */
  .toc {
    border-bottom: var(--hairline) solid var(--rule);
    background: var(--paper-2);
  }
  .toc-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 20px var(--pad);
    display: flex;
    gap: 32px;
    align-items: baseline;
    flex-wrap: wrap;
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink-3);
  }
  .toc-label { color: var(--ink); }
  .toc-list { display: flex; gap: 24px; flex-wrap: wrap; }
  .toc-list a { color: var(--ink-2); transition: color 0.15s; }
  .toc-list a:hover { color: var(--signal); }
  .toc-list a .num { color: var(--signal); margin-right: 6px; }

  /* article */
  article.post {
    max-width: var(--max);
    margin: 0 auto;
    padding: clamp(40px, 6vw, 72px) var(--pad);
  }
  .post section {
    margin-bottom: clamp(48px, 6vw, 72px);
    scroll-margin-top: 80px;
  }
  .sec-label {
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ink-3);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .sec-label::before {
    content: "";
    width: 24px;
    height: 1px;
    background: var(--ink);
  }
  .sec-label .id { color: var(--ink); font-weight: 500; }
  .sec-title {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: clamp(26px, 3.4vw, 36px);
    line-height: 1.1;
    letter-spacing: -0.025em;
    margin: 0 0 24px;
    max-width: 26ch;
    color: var(--ink);
  }
  .post p {
    max-width: var(--read);
    margin: 0 0 18px;
    color: var(--ink);
  }
  .post p.lede {
    font-size: 19px;
    color: var(--ink-2);
    max-width: 60ch;
  }
  .post strong { font-weight: 600; color: var(--ink); }
  .post em { font-style: italic; }

  .post a.pillar-link {
    color: var(--signal-ink);
    border-bottom: 1px solid var(--rule-soft);
    transition: color 0.15s, border-color 0.15s;
  }
  .post a.pillar-link:hover {
    color: var(--signal);
    border-bottom-color: var(--signal);
  }

  /* thesis */
  .thesis {
    font-family: var(--f-serif);
    font-size: clamp(22px, 2.6vw, 30px);
    line-height: 1.25;
    letter-spacing: -0.012em;
    color: var(--ink);
    border-left: 2px solid var(--ink);
    padding: 6px 0 6px 22px;
    margin: 32px 0;
    max-width: 32ch;
  }
  .thesis em { font-style: italic; color: var(--signal-ink); }

  /* verify */
  .verify {
    border-left: 3px solid var(--warn);
    background: var(--warn-soft);
    padding: 18px 22px;
    margin: 24px 0;
    max-width: var(--read);
  }
  .verify .head {
    font-family: var(--f-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--warn);
    margin-bottom: 8px;
    font-weight: 600;
  }
  .verify p {
    margin: 0;
    color: #3a1a20;
    font-size: 15px;
    line-height: 1.55;
  }

  /* live snapshot — distinct hero panel */
  .snapshot {
    border: 2px solid var(--ink);
    background: var(--paper);
    margin: 36px 0;
    max-width: var(--read);
    position: relative;
  }
  .snapshot::before {
    content: "LIVE SNAPSHOT";
    position: absolute;
    top: -10px;
    left: 24px;
    background: var(--ink);
    color: var(--paper);
    font-family: var(--f-mono);
    font-size: 10px;
    letter-spacing: 0.12em;
    padding: 3px 10px;
  }
  .snapshot-inner {
    padding: 28px 28px 24px;
  }
  .snapshot-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: var(--hairline) solid var(--rule-soft);
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink-3);
  }
  .snapshot-head .updated {
    color: var(--signal-ink);
    font-weight: 500;
  }
  .snapshot-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    border: var(--hairline) solid var(--rule-soft);
    margin-bottom: 14px;
  }
  @media (max-width: 560px) {
    .snapshot-grid { grid-template-columns: 1fr; }
  }
  .snapshot-cell {
    padding: 18px 20px;
    border-right: var(--hairline) solid var(--rule-soft);
  }
  .snapshot-cell:last-child { border-right: none; }
  @media (max-width: 560px) {
    .snapshot-cell { border-right: none; border-bottom: var(--hairline) solid var(--rule-soft); }
    .snapshot-cell:last-child { border-bottom: none; }
  }
  .snapshot-cell .label {
    font-family: var(--f-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ink-3);
    margin-bottom: 6px;
  }
  .snapshot-cell .rate {
    font-family: var(--f-mono);
    font-size: clamp(20px, 2.4vw, 26px);
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.01em;
  }
  .snapshot-cell .rate .unit {
    font-size: 12px;
    color: var(--ink-3);
    font-weight: 400;
    letter-spacing: 0;
    margin-left: 4px;
  }
  .snapshot-spread {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 0 0;
    font-family: var(--f-mono);
    font-size: 12px;
  }
  .snapshot-spread .k {
    color: var(--ink-3);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-size: 10px;
  }
  .snapshot-spread .v {
    color: var(--signal-ink);
    font-weight: 600;
    font-size: 14px;
  }
  .snapshot-foot {
    margin-top: 16px;
    padding-top: 12px;
    border-top: var(--hairline) solid var(--rule-soft);
    font-family: var(--f-mono);
    font-size: 10px;
    color: var(--ink-3);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    line-height: 1.5;
  }

  /* breakdown rows */
  .breakdown {
    border-top: var(--hairline) solid var(--rule);
    margin-top: 28px;
  }
  .breakdown-row {
    border-bottom: var(--hairline) solid var(--rule);
    padding: 22px 0;
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: 20px;
    align-items: baseline;
  }
  @media (max-width: 560px) {
    .breakdown-row { grid-template-columns: 44px 1fr; gap: 14px; }
  }
  .breakdown-row .idx {
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--signal);
    letter-spacing: 0.06em;
    padding-top: 4px;
  }
  .breakdown-row .body h4 {
    font-family: var(--f-sans);
    font-weight: 600;
    font-size: 18px;
    line-height: 1.3;
    letter-spacing: -0.01em;
    margin: 0 0 8px;
  }
  .breakdown-row .body p {
    margin: 0;
    color: var(--ink-2);
    max-width: 60ch;
    font-size: 16px;
  }
  .breakdown-row .body p + p { margin-top: 8px; }

  /* CHANNEL CARDS — for NFEM, BDC, parallel */
  .channel-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border: var(--hairline) solid var(--rule);
    margin-top: 24px;
    background: var(--paper);
  }
  @media (max-width: 720px) {
    .channel-grid { grid-template-columns: 1fr; }
  }
  .channel-cell {
    border-right: var(--hairline) solid var(--rule);
    padding: 24px 24px 22px;
    display: flex;
    flex-direction: column;
    gap: 6px;
  }
  .channel-cell:last-child { border-right: none; }
  @media (max-width: 720px) {
    .channel-cell { border-right: none; border-bottom: var(--hairline) solid var(--rule); }
    .channel-cell:last-child { border-bottom: none; }
  }
  .channel-cell .tag {
    font-family: var(--f-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--signal);
    margin-bottom: 4px;
  }
  .channel-cell h4 {
    font-family: var(--f-sans);
    font-size: 18px;
    font-weight: 500;
    line-height: 1.25;
    margin: 0 0 6px;
    letter-spacing: -0.015em;
    color: var(--ink);
  }
  .channel-cell .who {
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--ink-3);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 10px;
  }
  .channel-cell p {
    margin: 0;
    color: var(--ink-2);
    font-size: 14px;
    line-height: 1.55;
    max-width: none;
  }
  .channel-cell p + p { margin-top: 8px; }

  /* AUDIENCE SECTION (households / businesses) */
  .audience-banner {
    margin-top: 56px;
    margin-bottom: 28px;
    padding: 0;
    border-top: 2px solid var(--ink);
  }
  .audience-banner-inner {
    padding: 18px 0 6px;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 12px;
  }
  .audience-banner .aud-id {
    font-family: var(--f-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--signal);
    font-weight: 600;
    margin-bottom: 8px;
  }
  .audience-banner h3 {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: clamp(22px, 2.6vw, 28px);
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin: 0 0 6px;
    color: var(--ink);
    max-width: 32ch;
  }
  .audience-banner h3 .em {
    font-family: var(--f-serif);
    font-style: italic;
    color: var(--signal-ink);
  }
  .audience-banner .aud-desc {
    font-size: 15px;
    color: var(--ink-2);
    max-width: 56ch;
    margin: 8px 0 0;
    line-height: 1.5;
  }

  /* IMPACT TABLE */
  .impact-list {
    border-top: var(--hairline) solid var(--rule);
    margin-top: 18px;
  }
  .impact-row {
    border-bottom: var(--hairline) solid var(--rule);
    padding: 22px 0;
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 28px;
    align-items: baseline;
  }
  @media (max-width: 720px) {
    .impact-row { grid-template-columns: 1fr; gap: 8px; }
  }
  .impact-row .lhs {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: 16px;
    line-height: 1.3;
    letter-spacing: -0.01em;
    color: var(--ink);
  }
  .impact-row .lhs .meta {
    display: block;
    font-family: var(--f-mono);
    font-size: 10px;
    color: var(--ink-3);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-top: 6px;
    font-weight: 400;
  }
  .impact-row .rhs {
    font-size: 16px;
    color: var(--ink-2);
    line-height: 1.55;
    max-width: 60ch;
  }
  .impact-row .rhs strong { color: var(--ink); }

  /* CTA strip */
  .cta-strip {
    border-top: 2px solid var(--ink);
    border-bottom: var(--hairline) solid var(--rule);
    background: var(--paper-2);
    padding: clamp(40px, 5vw, 64px) 0;
  }
  .cta-strip-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 var(--pad);
  }
  .cta-strip h3 {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: clamp(22px, 2.6vw, 28px);
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin: 0 0 8px;
    max-width: 32ch;
  }
  .cta-strip p {
    color: var(--ink-2);
    margin: 0 0 28px;
    max-width: 56ch;
  }
  .cta-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border: var(--hairline) solid var(--rule);
    background: var(--paper);
  }
  @media (max-width: 720px) {
    .cta-cards { grid-template-columns: 1fr; }
  }
  .cta-card {
    border-right: var(--hairline) solid var(--rule);
    padding: 22px 22px 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: background 0.15s;
  }
  .cta-card:last-child { border-right: none; }
  @media (max-width: 720px) {
    .cta-card { border-right: none; border-bottom: var(--hairline) solid var(--rule); }
    .cta-card:last-child { border-bottom: none; }
  }
  .cta-card:hover { background: var(--paper-2); }
  .cta-card .ck {
    font-family: var(--f-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--signal);
  }
  .cta-card h4 {
    font-family: var(--f-sans);
    font-size: 17px;
    font-weight: 500;
    line-height: 1.3;
    margin: 0;
    letter-spacing: -0.01em;
  }
  .cta-card .arr {
    margin-top: auto;
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--ink-3);
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }
  .cta-card .arr .a { color: var(--signal); margin-right: 6px; }

  /* FAQ */
  .faq-block {
    border-top: var(--hairline) solid var(--rule);
    margin-top: 28px;
  }
  .faq-row {
    border-bottom: var(--hairline) solid var(--rule);
    padding: 24px 0;
  }
  .faq-row .q {
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--signal);
    margin-bottom: 10px;
  }
  .faq-row h4 {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: 19px;
    line-height: 1.3;
    margin: 0 0 12px;
    letter-spacing: -0.015em;
    max-width: 56ch;
  }
  .faq-row p {
    margin: 0;
    color: var(--ink-2);
    font-size: 16px;
    line-height: 1.55;
    max-width: 64ch;
  }

  /* footer */
  footer.docfoot {
    border-top: var(--hairline) solid var(--rule);
    background: var(--ink);
    color: var(--paper);
  }
  footer.docfoot .inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 32px var(--pad);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    opacity: 0.85;
  }


/* ===== Source: naijaos-s03-pos.html ===== */

  :root {
    --ink: #0A0A0A;
    --ink-2: #2A2A28;
    --ink-3: #5C5C58;
    --rule: #1A1A18;
    --rule-soft: #D8D5CC;
    --paper: #FAFAF7;
    --paper-2: #F1EFE8;
    --paper-3: #E8E5DB;
    --signal: #0F7A3E;
    --signal-ink: #094D27;
    --warn: #8B2635;
    --warn-soft: #F2E4E6;
    --hairline: 1px;

    --f-sans: "Geist", -apple-system, BlinkMacSystemFont, sans-serif;
    --f-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    --f-serif: "Instrument Serif", Georgia, serif;

    --pad: clamp(20px, 4vw, 48px);
    --max: 1100px;
    --read: 680px;
  }

  * { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
  body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--f-sans);
    font-size: 17px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: "ss01", "cv11";
  }
  a { color: inherit; text-decoration: none; }

  /* status bar */
  .statusbar {
    border-bottom: var(--hairline) solid var(--rule);
    background: var(--ink);
    color: var(--paper);
    font-family: var(--f-mono);
    font-size: 11px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }
  .statusbar-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 8px var(--pad);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
  }
  .status-left { display: flex; gap: 18px; align-items: center; }
  .status-right { display: flex; gap: 18px; align-items: center; opacity: 0.7; }
  .live-dot {
    display: inline-block;
    width: 6px; height: 6px;
    background: var(--signal);
    border-radius: 50%;
    margin-right: 6px;
    animation: pulse 2.4s infinite;
    vertical-align: middle;
  }
  @keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(15,122,62,0.6); }
    70% { box-shadow: 0 0 0 6px rgba(15,122,62,0); }
    100% { box-shadow: 0 0 0 0 rgba(15,122,62,0); }
  }
  @media (max-width: 720px) {
    .status-right span:nth-child(1) { display: none; }
  }

  /* masthead */
  .masthead {
    border-bottom: var(--hairline) solid var(--rule);
    background: rgba(250, 250, 247, 0.92);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 50;
  }
  .masthead-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 14px var(--pad);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }
  .wordmark { display: flex; align-items: baseline; gap: 12px; }
  .wordmark .mark {
    font-family: var(--f-mono);
    font-weight: 600;
    font-size: 18px;
    letter-spacing: -0.02em;
  }
  .wordmark .mark .os { color: var(--signal); }
  .wordmark .crumb {
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--ink-3);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border-left: var(--hairline) solid var(--rule-soft);
    padding-left: 12px;
  }
  .nav-back {
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--ink-2);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    transition: color 0.15s;
  }
  .nav-back:hover { color: var(--signal); }
  .nav-back .arr { color: var(--signal); margin-right: 6px; }

  /* defer banner — declares deference to B/01 */
  .defer-banner {
    background: var(--paper-2);
    border-bottom: var(--hairline) solid var(--rule-soft);
  }
  .defer-banner-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 14px var(--pad);
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ink-3);
  }
  .defer-banner .label { color: var(--ink); font-weight: 500; }
  .defer-banner .target { color: var(--signal-ink); font-weight: 500; }
  .defer-banner .target:hover { color: var(--signal); }
  .defer-banner .arr { color: var(--signal); margin: 0 6px; }

  /* post header */
  .post-head {
    border-bottom: var(--hairline) solid var(--rule);
    background: var(--paper);
  }
  .post-head-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: clamp(40px, 6vw, 72px) var(--pad) clamp(32px, 5vw, 48px);
  }
  .post-meta {
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink-3);
    margin-bottom: 28px;
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    align-items: center;
  }
  .post-meta .pill {
    border: var(--hairline) solid var(--ink);
    padding: 4px 10px;
    color: var(--ink);
    background: var(--paper);
  }
  .post-meta .sep::before {
    content: "//";
    color: var(--signal);
    margin-right: 6px;
  }
  .post-title {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: clamp(34px, 5.5vw, 60px);
    line-height: 1.04;
    letter-spacing: -0.03em;
    margin: 0 0 24px;
    max-width: 18ch;
  }
  .post-title .em {
    font-family: var(--f-serif);
    font-weight: 400;
    font-style: italic;
    color: var(--signal-ink);
    letter-spacing: -0.015em;
  }
  .post-deck {
    font-size: clamp(17px, 1.7vw, 20px);
    line-height: 1.5;
    color: var(--ink-2);
    max-width: 58ch;
    margin: 0;
  }

  /* TOC */
  .toc {
    border-bottom: var(--hairline) solid var(--rule);
    background: var(--paper-2);
  }
  .toc-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 20px var(--pad);
    display: flex;
    gap: 32px;
    align-items: baseline;
    flex-wrap: wrap;
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink-3);
  }
  .toc-label { color: var(--ink); }
  .toc-list { display: flex; gap: 24px; flex-wrap: wrap; }
  .toc-list a { color: var(--ink-2); transition: color 0.15s; }
  .toc-list a:hover { color: var(--signal); }
  .toc-list a .num { color: var(--signal); margin-right: 6px; }

  /* article */
  article.post {
    max-width: var(--max);
    margin: 0 auto;
    padding: clamp(40px, 6vw, 72px) var(--pad);
  }
  .post section {
    margin-bottom: clamp(48px, 6vw, 72px);
    scroll-margin-top: 80px;
  }
  .sec-label {
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ink-3);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .sec-label::before {
    content: "";
    width: 24px;
    height: 1px;
    background: var(--ink);
  }
  .sec-label .id { color: var(--ink); font-weight: 500; }
  .sec-title {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: clamp(26px, 3.4vw, 36px);
    line-height: 1.1;
    letter-spacing: -0.025em;
    margin: 0 0 24px;
    max-width: 24ch;
    color: var(--ink);
  }
  .post p {
    max-width: var(--read);
    margin: 0 0 18px;
    color: var(--ink);
  }
  .post p.lede {
    font-size: 19px;
    color: var(--ink-2);
    max-width: 60ch;
  }
  .post strong { font-weight: 600; color: var(--ink); }
  .post em { font-style: italic; }

  /* inline link to pillar */
  .post a.pillar-link {
    color: var(--signal-ink);
    border-bottom: 1px solid var(--rule-soft);
    transition: color 0.15s, border-color 0.15s;
  }
  .post a.pillar-link:hover {
    color: var(--signal);
    border-bottom-color: var(--signal);
  }

  /* thesis pull quote */
  .thesis {
    font-family: var(--f-serif);
    font-size: clamp(22px, 2.6vw, 30px);
    line-height: 1.25;
    letter-spacing: -0.012em;
    color: var(--ink);
    border-left: 2px solid var(--ink);
    padding: 6px 0 6px 22px;
    margin: 32px 0;
    max-width: 32ch;
  }
  .thesis em { font-style: italic; color: var(--signal-ink); }

  /* verify caveat */
  .verify {
    border-left: 3px solid var(--warn);
    background: var(--warn-soft);
    padding: 18px 22px;
    margin: 24px 0;
    max-width: var(--read);
  }
  .verify .head {
    font-family: var(--f-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--warn);
    margin-bottom: 8px;
    font-weight: 600;
  }
  .verify p {
    margin: 0;
    color: #3a1a20;
    font-size: 15px;
    line-height: 1.55;
  }

  /* numbers panel */
  .numbers-panel {
    border: var(--hairline) solid var(--rule);
    background: var(--paper-2);
    padding: 24px 26px;
    margin: 32px 0;
    font-family: var(--f-mono);
    max-width: var(--read);
  }
  .numbers-panel-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: var(--hairline) solid var(--rule-soft);
    padding-bottom: 12px;
    margin-bottom: 14px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 10px;
    color: var(--ink-3);
  }
  .numbers-panel-head .updated {
    color: var(--signal-ink);
    font-weight: 500;
  }
  .numbers-panel .row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: var(--hairline) dashed var(--rule-soft);
    align-items: baseline;
    font-size: 13px;
    gap: 16px;
  }
  .numbers-panel .row:last-of-type { border-bottom: none; }
  .numbers-panel .row .k { color: var(--ink-3); font-size: 11px; max-width: 60%; }
  .numbers-panel .row .v { color: var(--ink); font-weight: 500; text-align: right; }
  .numbers-panel .foot {
    margin-top: 12px;
    padding-top: 12px;
    border-top: var(--hairline) solid var(--rule-soft);
    font-size: 10px;
    color: var(--ink-3);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    line-height: 1.5;
  }

  /* breakdown rows */
  .breakdown {
    border-top: var(--hairline) solid var(--rule);
    margin-top: 28px;
  }
  .breakdown-row {
    border-bottom: var(--hairline) solid var(--rule);
    padding: 22px 0;
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: 20px;
    align-items: baseline;
  }
  @media (max-width: 560px) {
    .breakdown-row { grid-template-columns: 44px 1fr; gap: 14px; }
  }
  .breakdown-row .idx {
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--ink-3);
    letter-spacing: 0.06em;
    padding-top: 4px;
  }
  .breakdown-row .body h4 {
    font-family: var(--f-sans);
    font-weight: 600;
    font-size: 18px;
    line-height: 1.3;
    letter-spacing: -0.01em;
    margin: 0 0 8px;
  }
  .breakdown-row .body p {
    margin: 0;
    color: var(--ink-2);
    max-width: 60ch;
    font-size: 16px;
  }
  .breakdown-row .body p + p { margin-top: 8px; }

  /* surfaces grid */
  .surfaces-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    border-top: var(--hairline) solid var(--rule);
    margin-top: 28px;
  }
  @media (max-width: 720px) {
    .surfaces-grid { grid-template-columns: 1fr; }
  }
  .surface-cell {
    border-right: var(--hairline) solid var(--rule);
    border-bottom: var(--hairline) solid var(--rule);
    padding: 24px 24px 22px;
    display: flex;
    flex-direction: column;
    gap: 6px;
  }
  .surface-cell:nth-child(2n) { border-right: none; }
  @media (max-width: 720px) {
    .surface-cell { border-right: none; }
  }
  .surface-cell .tag {
    font-family: var(--f-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--signal);
    margin-bottom: 4px;
  }
  .surface-cell h4 {
    font-family: var(--f-sans);
    font-size: 18px;
    font-weight: 500;
    line-height: 1.25;
    margin: 0 0 8px;
    letter-spacing: -0.015em;
  }
  .surface-cell p {
    margin: 0;
    color: var(--ink-2);
    font-size: 15px;
    line-height: 1.55;
    max-width: none;
  }
  .surface-cell .pct {
    margin-top: 10px;
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--ink-3);
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }
  .surface-cell .pct .num {
    color: var(--signal-ink);
    font-weight: 600;
  }

  /* checklist */
  .checklist {
    border-top: var(--hairline) solid var(--rule);
    margin-top: 28px;
  }
  .check-row {
    border-bottom: var(--hairline) solid var(--rule);
    padding: 20px 0;
    display: grid;
    grid-template-columns: 36px 1fr;
    gap: 16px;
    align-items: baseline;
  }
  .check-row .box {
    width: 18px;
    height: 18px;
    border: 1.5px solid var(--ink);
    margin-top: 4px;
  }
  .check-row .body h4 {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: 17px;
    line-height: 1.3;
    margin: 0 0 6px;
    letter-spacing: -0.01em;
  }
  .check-row .body p {
    margin: 0;
    color: var(--ink-2);
    max-width: 60ch;
    font-size: 15px;
    line-height: 1.55;
  }

  /* FAQ */
  .faq-block {
    border-top: var(--hairline) solid var(--rule);
    margin-top: 28px;
  }
  .faq-row {
    border-bottom: var(--hairline) solid var(--rule);
    padding: 24px 0;
  }
  .faq-row .q {
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--signal);
    margin-bottom: 10px;
  }
  .faq-row h4 {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: 19px;
    line-height: 1.3;
    margin: 0 0 12px;
    letter-spacing: -0.015em;
    max-width: 56ch;
  }
  .faq-row p {
    margin: 0;
    color: var(--ink-2);
    font-size: 16px;
    line-height: 1.55;
    max-width: 64ch;
  }
  .faq-row p + p { margin-top: 10px; }

  /* CTA strip */
  .cta-strip {
    border-top: 2px solid var(--ink);
    border-bottom: var(--hairline) solid var(--rule);
    background: var(--paper-2);
    padding: clamp(40px, 5vw, 64px) 0;
  }
  .cta-strip-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 var(--pad);
  }
  .cta-strip h3 {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: clamp(22px, 2.6vw, 28px);
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin: 0 0 8px;
    max-width: 32ch;
  }
  .cta-strip p {
    color: var(--ink-2);
    margin: 0 0 28px;
    max-width: 56ch;
  }
  .cta-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border: var(--hairline) solid var(--rule);
    background: var(--paper);
  }
  @media (max-width: 720px) {
    .cta-cards { grid-template-columns: 1fr; }
  }
  .cta-card {
    border-right: var(--hairline) solid var(--rule);
    padding: 22px 22px 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: background 0.15s;
  }
  .cta-card:last-child { border-right: none; }
  @media (max-width: 720px) {
    .cta-card { border-right: none; border-bottom: var(--hairline) solid var(--rule); }
    .cta-card:last-child { border-bottom: none; }
  }
  .cta-card:hover { background: var(--paper-2); }
  .cta-card .ck {
    font-family: var(--f-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--signal);
  }
  .cta-card h4 {
    font-family: var(--f-sans);
    font-size: 17px;
    font-weight: 500;
    line-height: 1.3;
    margin: 0;
    letter-spacing: -0.01em;
  }
  .cta-card .arr {
    margin-top: auto;
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--ink-3);
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }
  .cta-card .arr .a { color: var(--signal); margin-right: 6px; }

  /* footer */
  footer.docfoot {
    border-top: var(--hairline) solid var(--rule);
    background: var(--ink);
    color: var(--paper);
  }
  footer.docfoot .inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 32px var(--pad);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    opacity: 0.85;
  }



/* ===== Source: naijaos-s04-ten-businesses.html ===== */

  :root {
    --ink: #0A0A0A;
    --ink-2: #2A2A28;
    --ink-3: #5C5C58;
    --ink-4: #8A8780;
    --rule: #1A1A18;
    --rule-soft: #D8D5CC;
    --paper: #FAFAF7;
    --paper-2: #F1EFE8;
    --paper-3: #E8E5DB;
    --signal: #0F7A3E;
    --signal-ink: #094D27;
    --signal-soft: #E3F0E8;
    --warn: #8B2635;
    --warn-soft: #F2E4E6;
    --amber: #B86E00;
    --amber-soft: #F5E8D5;
    --hairline: 1px;

    --f-sans: "Geist", -apple-system, BlinkMacSystemFont, sans-serif;
    --f-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    --f-serif: "Instrument Serif", Georgia, serif;

    --pad: clamp(20px, 4vw, 48px);
    --max: 1100px;
    --read: 680px;
  }

  * { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
  body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--f-sans);
    font-size: 17px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: "ss01", "cv11";
  }
  a { color: inherit; text-decoration: none; }

  /* status bar */
  .statusbar {
    border-bottom: var(--hairline) solid var(--rule);
    background: var(--ink);
    color: var(--paper);
    font-family: var(--f-mono);
    font-size: 11px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }
  .statusbar-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 8px var(--pad);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
  }
  .status-left { display: flex; gap: 18px; align-items: center; }
  .status-right { display: flex; gap: 18px; align-items: center; opacity: 0.7; }
  .live-dot {
    display: inline-block;
    width: 6px; height: 6px;
    background: var(--signal);
    border-radius: 50%;
    margin-right: 6px;
    animation: pulse 2.4s infinite;
    vertical-align: middle;
  }
  @keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(15,122,62,0.6); }
    70% { box-shadow: 0 0 0 6px rgba(15,122,62,0); }
    100% { box-shadow: 0 0 0 0 rgba(15,122,62,0); }
  }
  @media (max-width: 720px) {
    .status-right span:nth-child(1) { display: none; }
  }

  /* masthead */
  .masthead {
    border-bottom: var(--hairline) solid var(--rule);
    background: rgba(250, 250, 247, 0.92);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 50;
  }
  .masthead-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 14px var(--pad);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }
  .wordmark { display: flex; align-items: baseline; gap: 12px; }
  .wordmark .mark {
    font-family: var(--f-mono);
    font-weight: 600;
    font-size: 18px;
    letter-spacing: -0.02em;
  }
  .wordmark .mark .os { color: var(--signal); }
  .wordmark .crumb {
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--ink-3);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border-left: var(--hairline) solid var(--rule-soft);
    padding-left: 12px;
  }
  .nav-back {
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--ink-2);
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }
  .nav-back:hover { color: var(--signal); }
  .nav-back .arr { color: var(--signal); margin-right: 6px; }

  /* deference banner */
  .defer-banner {
    background: var(--paper-2);
    border-bottom: var(--hairline) solid var(--rule-soft);
  }
  .defer-banner-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 14px var(--pad);
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ink-3);
  }
  .defer-banner .label { color: var(--ink); font-weight: 500; }
  .defer-banner .target { color: var(--signal-ink); font-weight: 500; }
  .defer-banner .target:hover { color: var(--signal); }
  .defer-banner .arr { color: var(--signal); margin: 0 6px; }

  /* post header */
  .post-head {
    border-bottom: var(--hairline) solid var(--rule);
    background: var(--paper);
  }
  .post-head-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: clamp(40px, 6vw, 72px) var(--pad) clamp(32px, 5vw, 48px);
  }
  .post-meta {
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink-3);
    margin-bottom: 28px;
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    align-items: center;
  }
  .post-meta .pill {
    border: var(--hairline) solid var(--ink);
    padding: 4px 10px;
    color: var(--ink);
    background: var(--paper);
  }
  .post-meta .sep::before {
    content: "//";
    color: var(--signal);
    margin-right: 6px;
  }
  .post-title {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: clamp(34px, 5.5vw, 60px);
    line-height: 1.04;
    letter-spacing: -0.03em;
    margin: 0 0 24px;
    max-width: 18ch;
  }
  .post-title .em {
    font-family: var(--f-serif);
    font-weight: 400;
    font-style: italic;
    color: var(--signal-ink);
    letter-spacing: -0.015em;
  }
  .post-deck {
    font-size: clamp(17px, 1.7vw, 20px);
    line-height: 1.5;
    color: var(--ink-2);
    max-width: 60ch;
    margin: 0;
  }

  /* TOC */
  .toc {
    border-bottom: var(--hairline) solid var(--rule);
    background: var(--paper-2);
  }
  .toc-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 20px var(--pad);
    display: flex;
    gap: 32px;
    align-items: baseline;
    flex-wrap: wrap;
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink-3);
  }
  .toc-label { color: var(--ink); }
  .toc-list { display: flex; gap: 24px; flex-wrap: wrap; }
  .toc-list a { color: var(--ink-2); transition: color 0.15s; }
  .toc-list a:hover { color: var(--signal); }
  .toc-list a .num { color: var(--signal); margin-right: 6px; }

  /* article body */
  article.post {
    max-width: var(--max);
    margin: 0 auto;
    padding: clamp(40px, 6vw, 72px) var(--pad);
  }
  .post section {
    margin-bottom: clamp(48px, 6vw, 72px);
    scroll-margin-top: 80px;
  }
  .sec-label {
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ink-3);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .sec-label::before {
    content: "";
    width: 24px;
    height: 1px;
    background: var(--ink);
  }
  .sec-label .id { color: var(--ink); font-weight: 500; }
  .sec-title {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: clamp(26px, 3.4vw, 36px);
    line-height: 1.1;
    letter-spacing: -0.025em;
    margin: 0 0 24px;
    max-width: 24ch;
    color: var(--ink);
  }
  .post p {
    max-width: var(--read);
    margin: 0 0 18px;
    color: var(--ink);
  }
  .post p.lede {
    font-size: 19px;
    color: var(--ink-2);
    max-width: 60ch;
  }
  .post strong { font-weight: 600; color: var(--ink); }
  .post em { font-style: italic; }

  .post a.pillar-link {
    color: var(--signal-ink);
    border-bottom: 1px solid var(--rule-soft);
    transition: color 0.15s, border-color 0.15s;
  }
  .post a.pillar-link:hover {
    color: var(--signal);
    border-bottom-color: var(--signal);
  }

  /* thesis pull quote */
  .thesis {
    font-family: var(--f-serif);
    font-size: clamp(22px, 2.6vw, 30px);
    line-height: 1.25;
    letter-spacing: -0.012em;
    color: var(--ink);
    border-left: 2px solid var(--ink);
    padding: 6px 0 6px 22px;
    margin: 32px 0;
    max-width: 32ch;
  }
  .thesis em { font-style: italic; color: var(--signal-ink); }

  /* verify caveat */
  .verify {
    border-left: 3px solid var(--warn);
    background: var(--warn-soft);
    padding: 18px 22px;
    margin: 24px 0;
    max-width: var(--read);
  }
  .verify .head {
    font-family: var(--f-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--warn);
    margin-bottom: 8px;
    font-weight: 600;
  }
  .verify p {
    margin: 0;
    color: #3a1a20;
    font-size: 15px;
    line-height: 1.55;
  }

  /* SCORING METHODOLOGY PANEL */
  .method-panel {
    border: var(--hairline) solid var(--rule);
    background: var(--paper-2);
    padding: 24px 26px;
    margin: 28px 0;
    max-width: var(--read);
  }
  .method-panel-head {
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink);
    font-weight: 500;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: var(--hairline) solid var(--rule-soft);
  }
  .method-row {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 16px;
    padding: 10px 0;
    border-bottom: var(--hairline) dashed var(--rule-soft);
    align-items: baseline;
  }
  .method-row:last-of-type { border-bottom: none; }
  .method-row .id {
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--signal);
    letter-spacing: 0.04em;
    font-weight: 500;
  }
  .method-row .desc {
    font-size: 14px;
    color: var(--ink-2);
    line-height: 1.5;
  }
  .method-row .desc strong {
    color: var(--ink);
    display: block;
    margin-bottom: 2px;
    font-size: 14px;
  }

  /* TIER BANNER */
  .tier-banner {
    margin-top: 56px;
    margin-bottom: 28px;
    padding: 0;
    border-top: 2px solid var(--ink);
  }
  .tier-banner-inner {
    padding: 18px 0 6px;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 12px;
  }
  .tier-banner .tier-id {
    font-family: var(--f-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--signal);
    font-weight: 600;
    margin-bottom: 8px;
  }
  .tier-banner h3 {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: clamp(22px, 2.6vw, 28px);
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin: 0 0 6px;
    color: var(--ink);
    max-width: 32ch;
  }
  .tier-banner h3 .em {
    font-family: var(--f-serif);
    font-style: italic;
    color: var(--signal-ink);
  }
  .tier-banner .tier-desc {
    font-size: 15px;
    color: var(--ink-2);
    max-width: 56ch;
    margin: 8px 0 0;
    line-height: 1.5;
  }
  .tier-banner.warn { border-top-color: var(--amber); }
  .tier-banner.warn .tier-id { color: var(--amber); }
  .tier-banner.warn h3 .em { color: var(--amber); }
  .tier-banner.danger { border-top-color: var(--warn); }
  .tier-banner.danger .tier-id { color: var(--warn); }
  .tier-banner.danger h3 .em { color: var(--warn); }

  /* PATH CARD */
  .path-card {
    border: var(--hairline) solid var(--rule);
    background: var(--paper);
    margin-bottom: 24px;
    overflow: hidden;
  }
  .path-card-head {
    padding: 22px 26px 18px;
    border-bottom: var(--hairline) solid var(--rule-soft);
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 20px;
    align-items: start;
  }
  @media (max-width: 720px) {
    .path-card-head { grid-template-columns: 1fr; }
  }
  .path-card .pid {
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--signal);
    font-weight: 500;
    margin-bottom: 6px;
  }
  .path-card h4 {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: clamp(20px, 2.2vw, 24px);
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin: 0 0 6px;
    color: var(--ink);
  }
  .path-card .ptag {
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--ink-3);
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }

  /* SCORECARD */
  .scorecard {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: flex-start;
  }
  .score-pill {
    border: var(--hairline) solid var(--rule);
    padding: 8px 12px;
    min-width: 96px;
    background: var(--paper-2);
  }
  .score-pill .lab {
    font-family: var(--f-mono);
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink-3);
    margin-bottom: 4px;
  }
  .score-pill .val {
    font-family: var(--f-mono);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--ink);
  }
  .score-pill[data-rating="strong"] { background: var(--signal-soft); border-color: var(--signal); }
  .score-pill[data-rating="strong"] .val { color: var(--signal-ink); }
  .score-pill[data-rating="medium"] { background: var(--amber-soft); border-color: var(--amber); }
  .score-pill[data-rating="medium"] .val { color: var(--amber); }
  .score-pill[data-rating="weak"] { background: var(--warn-soft); border-color: var(--warn); }
  .score-pill[data-rating="weak"] .val { color: var(--warn); }

  .path-card-body {
    padding: 20px 26px 24px;
  }
  .path-card-body p {
    font-size: 16px;
    line-height: 1.6;
    color: var(--ink-2);
    margin: 0 0 14px;
    max-width: none;
  }
  .path-card-body p:last-child { margin-bottom: 0; }
  .path-card-body p strong { color: var(--ink); }

  /* compact economics row */
  .econ-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border-top: var(--hairline) solid var(--rule-soft);
    margin-top: 18px;
  }
  @media (max-width: 560px) {
    .econ-row { grid-template-columns: 1fr; }
  }
  .econ-cell {
    padding: 12px 14px 12px 0;
    border-right: var(--hairline) solid var(--rule-soft);
  }
  .econ-cell:not(:first-child) { padding-left: 14px; }
  .econ-cell:last-child { border-right: none; padding-right: 0; }
  @media (max-width: 560px) {
    .econ-cell {
      border-right: none;
      border-bottom: var(--hairline) solid var(--rule-soft);
      padding-left: 0;
    }
    .econ-cell:last-child { border-bottom: none; }
  }
  .econ-cell .k {
    font-family: var(--f-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ink-3);
    margin-bottom: 4px;
  }
  .econ-cell .v {
    font-family: var(--f-mono);
    font-size: 13px;
    color: var(--ink);
    font-weight: 500;
  }

  /* counter-example shading */
  .path-card.exposed {
    background: #fbf6f7;
    border-color: var(--warn);
  }
  .path-card.exposed .path-card-head { border-bottom-color: rgba(139, 38, 53, 0.2); }
  .path-card.exposed .pid { color: var(--warn); }

  /* CTA strip */
  .cta-strip {
    border-top: 2px solid var(--ink);
    border-bottom: var(--hairline) solid var(--rule);
    background: var(--paper-2);
    padding: clamp(40px, 5vw, 64px) 0;
  }
  .cta-strip-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 var(--pad);
  }
  .cta-strip h3 {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: clamp(22px, 2.6vw, 28px);
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin: 0 0 8px;
    max-width: 32ch;
  }
  .cta-strip p {
    color: var(--ink-2);
    margin: 0 0 28px;
    max-width: 56ch;
  }
  .cta-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border: var(--hairline) solid var(--rule);
    background: var(--paper);
  }
  @media (max-width: 720px) {
    .cta-cards { grid-template-columns: 1fr; }
  }
  .cta-card {
    border-right: var(--hairline) solid var(--rule);
    padding: 22px 22px 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: background 0.15s;
  }
  .cta-card:last-child { border-right: none; }
  @media (max-width: 720px) {
    .cta-card { border-right: none; border-bottom: var(--hairline) solid var(--rule); }
    .cta-card:last-child { border-bottom: none; }
  }
  .cta-card:hover { background: var(--paper-2); }
  .cta-card .ck {
    font-family: var(--f-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--signal);
  }
  .cta-card h4 {
    font-family: var(--f-sans);
    font-size: 17px;
    font-weight: 500;
    line-height: 1.3;
    margin: 0;
    letter-spacing: -0.01em;
  }
  .cta-card .arr {
    margin-top: auto;
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--ink-3);
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }
  .cta-card .arr .a { color: var(--signal); margin-right: 6px; }

  /* FAQ */
  .faq-block {
    border-top: var(--hairline) solid var(--rule);
    margin-top: 28px;
  }
  .faq-row {
    border-bottom: var(--hairline) solid var(--rule);
    padding: 24px 0;
  }
  .faq-row .q {
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--signal);
    margin-bottom: 10px;
  }
  .faq-row h4 {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: 19px;
    line-height: 1.3;
    margin: 0 0 12px;
    letter-spacing: -0.015em;
    max-width: 56ch;
  }
  .faq-row p {
    margin: 0;
    color: var(--ink-2);
    font-size: 16px;
    line-height: 1.55;
    max-width: 64ch;
  }

  /* footer */
  footer.docfoot {
    border-top: var(--hairline) solid var(--rule);
    background: var(--ink);
    color: var(--paper);
  }
  footer.docfoot .inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 32px var(--pad);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    opacity: 0.85;
  }


/* ===== Source: naijaos-s05-b02-dollar-paths.html ===== */

  :root {
    --ink: #0A0A0A;
    --ink-2: #2A2A28;
    --ink-3: #5C5C58;
    --ink-4: #8A8780;
    --rule: #1A1A18;
    --rule-soft: #D8D5CC;
    --paper: #FAFAF7;
    --paper-2: #F1EFE8;
    --paper-3: #E8E5DB;
    --signal: #0F7A3E;
    --signal-ink: #094D27;
    --signal-soft: #E3F0E8;
    --warn: #8B2635;
    --warn-soft: #F2E4E6;
    --amber: #B86E00;
    --amber-soft: #F5E8D5;
    --hairline: 1px;

    --f-sans: "Geist", -apple-system, BlinkMacSystemFont, sans-serif;
    --f-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    --f-serif: "Instrument Serif", Georgia, serif;

    --pad: clamp(20px, 4vw, 48px);
    --max: 1100px;
    --read: 680px;
  }

  * { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
  body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--f-sans);
    font-size: 17px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: "ss01", "cv11";
  }
  a { color: inherit; text-decoration: none; }

  /* status bar */
  .statusbar {
    border-bottom: var(--hairline) solid var(--rule);
    background: var(--ink);
    color: var(--paper);
    font-family: var(--f-mono);
    font-size: 11px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }
  .statusbar-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 8px var(--pad);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
  }
  .status-left { display: flex; gap: 18px; align-items: center; }
  .status-right { display: flex; gap: 18px; align-items: center; opacity: 0.7; }
  .live-dot {
    display: inline-block;
    width: 6px; height: 6px;
    background: var(--signal);
    border-radius: 50%;
    margin-right: 6px;
    animation: pulse 2.4s infinite;
    vertical-align: middle;
  }
  @keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(15,122,62,0.6); }
    70% { box-shadow: 0 0 0 6px rgba(15,122,62,0); }
    100% { box-shadow: 0 0 0 0 rgba(15,122,62,0); }
  }
  @media (max-width: 720px) {
    .status-right span:nth-child(1) { display: none; }
  }

  /* masthead */
  .masthead {
    border-bottom: var(--hairline) solid var(--rule);
    background: rgba(250, 250, 247, 0.92);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 50;
  }
  .masthead-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 14px var(--pad);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }
  .wordmark { display: flex; align-items: baseline; gap: 12px; }
  .wordmark .mark {
    font-family: var(--f-mono);
    font-weight: 600;
    font-size: 18px;
    letter-spacing: -0.02em;
  }
  .wordmark .mark .os { color: var(--signal); }
  .wordmark .crumb {
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--ink-3);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border-left: var(--hairline) solid var(--rule-soft);
    padding-left: 12px;
  }
  .nav-back {
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--ink-2);
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }
  .nav-back:hover { color: var(--signal); }
  .nav-back .arr { color: var(--signal); margin-right: 6px; }

  /* dual deference banner — sibling of B/01, future anchor of C-02 */
  .defer-banner {
    background: var(--paper-2);
    border-bottom: var(--hairline) solid var(--rule-soft);
  }
  .defer-banner-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 14px var(--pad);
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: space-between;
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ink-3);
  }
  .defer-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
  .defer-banner .label { color: var(--ink); font-weight: 500; }
  .defer-banner .target { color: var(--signal-ink); font-weight: 500; }
  .defer-banner .target:hover { color: var(--signal); }
  .defer-banner .arr { color: var(--signal); margin: 0 4px; }
  .defer-banner .future {
    color: var(--ink);
    border-left: var(--hairline) solid var(--rule-soft);
    padding-left: 16px;
  }
  .defer-banner .future .tag {
    display: inline-block;
    background: var(--ink);
    color: var(--paper);
    padding: 3px 8px;
    margin-right: 8px;
    font-size: 10px;
    letter-spacing: 0.1em;
  }
  @media (max-width: 720px) {
    .defer-banner .future { border-left: none; padding-left: 0; }
  }

  /* post header */
  .post-head {
    border-bottom: var(--hairline) solid var(--rule);
    background: var(--paper);
  }
  .post-head-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: clamp(40px, 6vw, 72px) var(--pad) clamp(32px, 5vw, 48px);
  }
  .post-meta {
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink-3);
    margin-bottom: 28px;
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    align-items: center;
  }
  .post-meta .pill {
    border: var(--hairline) solid var(--ink);
    padding: 4px 10px;
    color: var(--ink);
    background: var(--paper);
  }
  .post-meta .sep::before {
    content: "//";
    color: var(--signal);
    margin-right: 6px;
  }
  .post-title {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: clamp(34px, 5.5vw, 60px);
    line-height: 1.04;
    letter-spacing: -0.03em;
    margin: 0 0 24px;
    max-width: 18ch;
  }
  .post-title .em {
    font-family: var(--f-serif);
    font-weight: 400;
    font-style: italic;
    color: var(--signal-ink);
    letter-spacing: -0.015em;
  }
  .post-deck {
    font-size: clamp(17px, 1.7vw, 20px);
    line-height: 1.5;
    color: var(--ink-2);
    max-width: 60ch;
    margin: 0;
  }

  /* TOC */
  .toc {
    border-bottom: var(--hairline) solid var(--rule);
    background: var(--paper-2);
  }
  .toc-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 20px var(--pad);
    display: flex;
    gap: 32px;
    align-items: baseline;
    flex-wrap: wrap;
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink-3);
  }
  .toc-label { color: var(--ink); }
  .toc-list { display: flex; gap: 24px; flex-wrap: wrap; }
  .toc-list a { color: var(--ink-2); transition: color 0.15s; }
  .toc-list a:hover { color: var(--signal); }
  .toc-list a .num { color: var(--signal); margin-right: 6px; }

  /* article body */
  article.post {
    max-width: var(--max);
    margin: 0 auto;
    padding: clamp(40px, 6vw, 72px) var(--pad);
  }
  .post section {
    margin-bottom: clamp(48px, 6vw, 72px);
    scroll-margin-top: 80px;
  }
  .sec-label {
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ink-3);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .sec-label::before {
    content: "";
    width: 24px;
    height: 1px;
    background: var(--ink);
  }
  .sec-label .id { color: var(--ink); font-weight: 500; }
  .sec-title {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: clamp(26px, 3.4vw, 36px);
    line-height: 1.1;
    letter-spacing: -0.025em;
    margin: 0 0 24px;
    max-width: 24ch;
    color: var(--ink);
  }
  .post p {
    max-width: var(--read);
    margin: 0 0 18px;
    color: var(--ink);
  }
  .post p.lede {
    font-size: 19px;
    color: var(--ink-2);
    max-width: 60ch;
  }
  .post strong { font-weight: 600; color: var(--ink); }
  .post em { font-style: italic; }

  .post a.pillar-link {
    color: var(--signal-ink);
    border-bottom: 1px solid var(--rule-soft);
    transition: color 0.15s, border-color 0.15s;
  }
  .post a.pillar-link:hover {
    color: var(--signal);
    border-bottom-color: var(--signal);
  }

  /* thesis */
  .thesis {
    font-family: var(--f-serif);
    font-size: clamp(22px, 2.6vw, 30px);
    line-height: 1.25;
    letter-spacing: -0.012em;
    color: var(--ink);
    border-left: 2px solid var(--ink);
    padding: 6px 0 6px 22px;
    margin: 32px 0;
    max-width: 32ch;
  }
  .thesis em { font-style: italic; color: var(--signal-ink); }

  /* verify */
  .verify {
    border-left: 3px solid var(--warn);
    background: var(--warn-soft);
    padding: 18px 22px;
    margin: 24px 0;
    max-width: var(--read);
  }
  .verify .head {
    font-family: var(--f-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--warn);
    margin-bottom: 8px;
    font-weight: 600;
  }
  .verify p {
    margin: 0;
    color: #3a1a20;
    font-size: 15px;
    line-height: 1.55;
  }

  /* convergence panel — visually distinct, makes the data the centrepiece */
  .conv-panel {
    border: var(--hairline) solid var(--rule);
    background: var(--paper-2);
    padding: 24px 26px;
    margin: 32px 0;
    font-family: var(--f-mono);
    max-width: var(--read);
  }
  .conv-panel-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: var(--hairline) solid var(--rule-soft);
    padding-bottom: 12px;
    margin-bottom: 14px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 10px;
    color: var(--ink-3);
  }
  .conv-panel-head .updated {
    color: var(--signal-ink);
    font-weight: 500;
  }
  .conv-panel .row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: var(--hairline) dashed var(--rule-soft);
    align-items: baseline;
    font-size: 13px;
    gap: 16px;
  }
  .conv-panel .row:last-of-type { border-bottom: none; }
  .conv-panel .row .k { color: var(--ink-3); font-size: 11px; max-width: 60%; }
  .conv-panel .row .v { color: var(--ink); font-weight: 500; text-align: right; }
  .conv-panel .row .v.signal { color: var(--signal-ink); }
  .conv-panel .foot {
    margin-top: 12px;
    padding-top: 12px;
    border-top: var(--hairline) solid var(--rule-soft);
    font-size: 10px;
    color: var(--ink-3);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    line-height: 1.5;
  }

  /* breakdown */
  .breakdown {
    border-top: var(--hairline) solid var(--rule);
    margin-top: 28px;
  }
  .breakdown-row {
    border-bottom: var(--hairline) solid var(--rule);
    padding: 22px 0;
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: 20px;
    align-items: baseline;
  }
  @media (max-width: 560px) {
    .breakdown-row { grid-template-columns: 44px 1fr; gap: 14px; }
  }
  .breakdown-row .idx {
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--signal);
    letter-spacing: 0.06em;
    padding-top: 4px;
  }
  .breakdown-row .body h4 {
    font-family: var(--f-sans);
    font-weight: 600;
    font-size: 18px;
    line-height: 1.3;
    letter-spacing: -0.01em;
    margin: 0 0 8px;
  }
  .breakdown-row .body p {
    margin: 0;
    color: var(--ink-2);
    max-width: 60ch;
    font-size: 16px;
  }
  .breakdown-row .body p + p { margin-top: 8px; }

  /* path card */
  .path-card {
    border: var(--hairline) solid var(--rule);
    background: var(--paper);
    margin-bottom: 24px;
  }
  .path-card-head {
    padding: 22px 26px 18px;
    border-bottom: var(--hairline) solid var(--rule-soft);
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 20px;
    align-items: start;
  }
  @media (max-width: 720px) {
    .path-card-head { grid-template-columns: 1fr; }
  }
  .path-card .pid {
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--signal);
    font-weight: 500;
    margin-bottom: 6px;
  }
  .path-card h4 {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: clamp(20px, 2.2vw, 24px);
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin: 0 0 6px;
    color: var(--ink);
  }
  .path-card .ptag {
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--ink-3);
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }

  .scorecard {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: flex-start;
  }
  .score-pill {
    border: var(--hairline) solid var(--rule);
    padding: 8px 12px;
    min-width: 96px;
    background: var(--paper-2);
  }
  .score-pill .lab {
    font-family: var(--f-mono);
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink-3);
    margin-bottom: 4px;
  }
  .score-pill .val {
    font-family: var(--f-mono);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--ink);
  }
  .score-pill[data-rating="strong"] { background: var(--signal-soft); border-color: var(--signal); }
  .score-pill[data-rating="strong"] .val { color: var(--signal-ink); }
  .score-pill[data-rating="medium"] { background: var(--amber-soft); border-color: var(--amber); }
  .score-pill[data-rating="medium"] .val { color: var(--amber); }
  .score-pill[data-rating="weak"] { background: var(--warn-soft); border-color: var(--warn); }
  .score-pill[data-rating="weak"] .val { color: var(--warn); }

  .path-card-body {
    padding: 20px 26px 24px;
  }
  .path-card-body p {
    font-size: 16px;
    line-height: 1.6;
    color: var(--ink-2);
    margin: 0 0 14px;
    max-width: none;
  }
  .path-card-body p:last-child { margin-bottom: 0; }
  .path-card-body p strong { color: var(--ink); }

  .econ-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border-top: var(--hairline) solid var(--rule-soft);
    margin-top: 18px;
  }
  @media (max-width: 560px) {
    .econ-row { grid-template-columns: 1fr; }
  }
  .econ-cell {
    padding: 12px 14px 12px 0;
    border-right: var(--hairline) solid var(--rule-soft);
  }
  .econ-cell:not(:first-child) { padding-left: 14px; }
  .econ-cell:last-child { border-right: none; padding-right: 0; }
  @media (max-width: 560px) {
    .econ-cell {
      border-right: none;
      border-bottom: var(--hairline) solid var(--rule-soft);
      padding-left: 0;
    }
    .econ-cell:last-child { border-bottom: none; }
  }
  .econ-cell .k {
    font-family: var(--f-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ink-3);
    margin-bottom: 4px;
  }
  .econ-cell .v {
    font-family: var(--f-mono);
    font-size: 13px;
    color: var(--ink);
    font-weight: 500;
  }

  /* exclusion block — for crypto-adjacent honest naming */
  .exclusion {
    border: var(--hairline) solid var(--ink-3);
    background: var(--paper);
    padding: 26px 28px;
    margin: 32px 0;
    max-width: var(--read);
    position: relative;
  }
  .exclusion::before {
    content: "NAMED EXCLUSION";
    position: absolute;
    top: -10px;
    left: 24px;
    background: var(--ink);
    color: var(--paper);
    font-family: var(--f-mono);
    font-size: 10px;
    letter-spacing: 0.12em;
    padding: 3px 10px;
  }
  .exclusion h4 {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: 19px;
    line-height: 1.25;
    margin: 6px 0 10px;
    letter-spacing: -0.015em;
  }
  .exclusion p {
    margin: 0 0 12px;
    font-size: 15px;
    line-height: 1.55;
    color: var(--ink-2);
    max-width: none;
  }
  .exclusion p:last-child { margin-bottom: 0; }

  /* failure modes (mirror pillar) */
  .modes-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    border-top: var(--hairline) solid var(--rule);
    margin-top: 28px;
  }
  @media (max-width: 720px) {
    .modes-grid { grid-template-columns: 1fr; }
  }
  .mode-cell {
    border-right: var(--hairline) solid var(--rule);
    border-bottom: var(--hairline) solid var(--rule);
    padding: 24px 24px 22px;
    display: flex;
    flex-direction: column;
    gap: 6px;
  }
  .mode-cell:nth-child(2n) { border-right: none; }
  @media (max-width: 720px) {
    .mode-cell { border-right: none; }
  }
  .mode-cell .tag {
    font-family: var(--f-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--warn);
    margin-bottom: 4px;
  }
  .mode-cell h4 {
    font-family: var(--f-sans);
    font-size: 18px;
    font-weight: 500;
    line-height: 1.25;
    margin: 0 0 8px;
    letter-spacing: -0.015em;
  }
  .mode-cell p {
    margin: 0;
    color: var(--ink-2);
    font-size: 15px;
    line-height: 1.55;
    max-width: none;
  }

  /* CTA strip with future-anchor declaration */
  .cta-strip {
    border-top: 2px solid var(--ink);
    border-bottom: var(--hairline) solid var(--rule);
    background: var(--paper-2);
    padding: clamp(40px, 5vw, 64px) 0;
  }
  .cta-strip-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 var(--pad);
  }
  .cta-strip h3 {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: clamp(22px, 2.6vw, 28px);
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin: 0 0 8px;
    max-width: 32ch;
  }
  .cta-strip p {
    color: var(--ink-2);
    margin: 0 0 28px;
    max-width: 56ch;
  }
  /* Future anchor declaration */
  .future-anchor {
    border: var(--hairline) solid var(--ink);
    background: var(--paper);
    padding: 22px 26px;
    margin-bottom: 28px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .future-anchor .fa-tag {
    font-family: var(--f-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--signal);
    font-weight: 600;
  }
  .future-anchor h4 {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: 18px;
    line-height: 1.3;
    margin: 0;
    letter-spacing: -0.01em;
    color: var(--ink);
    max-width: 50ch;
  }
  .future-anchor p {
    margin: 4px 0 0;
    font-size: 14px;
    color: var(--ink-2);
    max-width: 60ch;
    line-height: 1.55;
  }

  .cta-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border: var(--hairline) solid var(--rule);
    background: var(--paper);
  }
  @media (max-width: 720px) {
    .cta-cards { grid-template-columns: 1fr; }
  }
  .cta-card {
    border-right: var(--hairline) solid var(--rule);
    padding: 22px 22px 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: background 0.15s;
  }
  .cta-card:last-child { border-right: none; }
  @media (max-width: 720px) {
    .cta-card { border-right: none; border-bottom: var(--hairline) solid var(--rule); }
    .cta-card:last-child { border-bottom: none; }
  }
  .cta-card:hover { background: var(--paper-2); }
  .cta-card .ck {
    font-family: var(--f-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--signal);
  }
  .cta-card h4 {
    font-family: var(--f-sans);
    font-size: 17px;
    font-weight: 500;
    line-height: 1.3;
    margin: 0;
    letter-spacing: -0.01em;
  }
  .cta-card .arr {
    margin-top: auto;
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--ink-3);
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }
  .cta-card .arr .a { color: var(--signal); margin-right: 6px; }

  /* FAQ */
  .faq-block {
    border-top: var(--hairline) solid var(--rule);
    margin-top: 28px;
  }
  .faq-row {
    border-bottom: var(--hairline) solid var(--rule);
    padding: 24px 0;
  }
  .faq-row .q {
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--signal);
    margin-bottom: 10px;
  }
  .faq-row h4 {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: 19px;
    line-height: 1.3;
    margin: 0 0 12px;
    letter-spacing: -0.015em;
    max-width: 56ch;
  }
  .faq-row p {
    margin: 0;
    color: var(--ink-2);
    font-size: 16px;
    line-height: 1.55;
    max-width: 64ch;
  }

  /* footer */
  footer.docfoot {
    border-top: var(--hairline) solid var(--rule);
    background: var(--ink);
    color: var(--paper);
  }
  footer.docfoot .inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 32px var(--pad);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    opacity: 0.85;
  }


/* ===== Source: naijaos-s07-savings-1.html ===== */

  :root {
    --ink: #0A0A0A; --ink-2: #2A2A28; --ink-3: #5C5C58; --ink-4: #8A8780;
    --rule: #1A1A18; --rule-soft: #D8D5CC;
    --paper: #FAFAF7; --paper-2: #F1EFE8; --paper-3: #E8E5DB;
    --signal: #0F7A3E; --signal-ink: #094D27; --signal-soft: #E3F0E8;
    --warn: #8B2635; --warn-soft: #F2E4E6;
    --amber: #B86E00; --amber-soft: #F5E8D5;
    --hairline: 1px;
    --f-sans: "Geist", -apple-system, BlinkMacSystemFont, sans-serif;
    --f-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    --f-serif: "Instrument Serif", Georgia, serif;
    --pad: clamp(20px, 4vw, 48px);
    --max: 1100px;
    --read: 680px;
  }
  * { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
  body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--f-sans); font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; font-feature-settings: "ss01", "cv11"; }
  a { color: inherit; text-decoration: none; }

  .statusbar { border-bottom: var(--hairline) solid var(--rule); background: var(--ink); color: var(--paper); font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.04em; text-transform: uppercase; }
  .statusbar-inner { max-width: var(--max); margin: 0 auto; padding: 8px var(--pad); display: flex; justify-content: space-between; align-items: center; gap: 16px; }
  .status-left { display: flex; gap: 18px; align-items: center; }
  .status-right { display: flex; gap: 18px; align-items: center; opacity: 0.7; }
  .live-dot { display: inline-block; width: 6px; height: 6px; background: var(--signal); border-radius: 50%; margin-right: 6px; animation: pulse 2.4s infinite; vertical-align: middle; }
  @keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(15,122,62,0.6); } 70% { box-shadow: 0 0 0 6px rgba(15,122,62,0); } 100% { box-shadow: 0 0 0 0 rgba(15,122,62,0); } }
  @media (max-width: 720px) { .status-right span:nth-child(1) { display: none; } }

  .masthead { border-bottom: var(--hairline) solid var(--rule); background: rgba(250, 250, 247, 0.92); backdrop-filter: blur(8px); position: sticky; top: 0; z-index: 50; }
  .masthead-inner { max-width: var(--max); margin: 0 auto; padding: 14px var(--pad); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
  .wordmark { display: flex; align-items: baseline; gap: 12px; }
  .wordmark .mark { font-family: var(--f-mono); font-weight: 600; font-size: 18px; letter-spacing: -0.02em; }
  .wordmark .mark .os { color: var(--signal); }
  .wordmark .crumb { font-family: var(--f-mono); font-size: 11px; color: var(--ink-3); letter-spacing: 0.04em; text-transform: uppercase; border-left: var(--hairline) solid var(--rule-soft); padding-left: 12px; }
  .nav-back { font-family: var(--f-mono); font-size: 11px; color: var(--ink-2); text-transform: uppercase; letter-spacing: 0.06em; }
  .nav-back:hover { color: var(--signal); }
  .nav-back .arr { color: var(--signal); margin-right: 6px; }

  .defer-banner { background: var(--paper-2); border-bottom: var(--hairline) solid var(--rule-soft); }
  .defer-banner-inner { max-width: var(--max); margin: 0 auto; padding: 14px var(--pad); display: flex; gap: 16px; align-items: center; flex-wrap: wrap; font-family: var(--f-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-3); }
  .defer-banner .label { color: var(--ink); font-weight: 500; }
  .defer-banner .target { color: var(--signal-ink); font-weight: 500; }
  .defer-banner .target:hover { color: var(--signal); }
  .defer-banner .arr { color: var(--signal); margin: 0 6px; }

  .post-head { border-bottom: var(--hairline) solid var(--rule); background: var(--paper); }
  .post-head-inner { max-width: var(--max); margin: 0 auto; padding: clamp(40px, 6vw, 72px) var(--pad) clamp(32px, 5vw, 48px); }
  .post-meta { font-family: var(--f-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-3); margin-bottom: 28px; display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }
  .post-meta .pill { border: var(--hairline) solid var(--ink); padding: 4px 10px; color: var(--ink); background: var(--paper); }
  .post-meta .sep::before { content: "//"; color: var(--signal); margin-right: 6px; }
  .post-title { font-family: var(--f-sans); font-weight: 500; font-size: clamp(34px, 5.5vw, 60px); line-height: 1.04; letter-spacing: -0.03em; margin: 0 0 24px; max-width: 18ch; }
  .post-title .em { font-family: var(--f-serif); font-weight: 400; font-style: italic; color: var(--signal-ink); letter-spacing: -0.015em; }
  .post-deck { font-size: clamp(17px, 1.7vw, 20px); line-height: 1.5; color: var(--ink-2); max-width: 60ch; margin: 0; }

  .toc { border-bottom: var(--hairline) solid var(--rule); background: var(--paper-2); }
  .toc-inner { max-width: var(--max); margin: 0 auto; padding: 20px var(--pad); display: flex; gap: 32px; align-items: baseline; flex-wrap: wrap; font-family: var(--f-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-3); }
  .toc-label { color: var(--ink); }
  .toc-list { display: flex; gap: 24px; flex-wrap: wrap; }
  .toc-list a { color: var(--ink-2); transition: color 0.15s; }
  .toc-list a:hover { color: var(--signal); }
  .toc-list a .num { color: var(--signal); margin-right: 6px; }

  article.post { max-width: var(--max); margin: 0 auto; padding: clamp(40px, 6vw, 72px) var(--pad); }
  .post section { margin-bottom: clamp(48px, 6vw, 72px); scroll-margin-top: 80px; }
  .sec-label { font-family: var(--f-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-3); margin-bottom: 14px; display: flex; align-items: center; gap: 12px; }
  .sec-label::before { content: ""; width: 24px; height: 1px; background: var(--ink); }
  .sec-label .id { color: var(--ink); font-weight: 500; }
  .sec-title { font-family: var(--f-sans); font-weight: 500; font-size: clamp(26px, 3.4vw, 36px); line-height: 1.1; letter-spacing: -0.025em; margin: 0 0 24px; max-width: 26ch; color: var(--ink); }
  .post p { max-width: var(--read); margin: 0 0 18px; color: var(--ink); }
  .post p.lede { font-size: 19px; color: var(--ink-2); max-width: 60ch; }
  .post strong { font-weight: 600; color: var(--ink); }
  .post em { font-style: italic; }
  .post a.pillar-link { color: var(--signal-ink); border-bottom: 1px solid var(--rule-soft); transition: color 0.15s, border-color 0.15s; }
  .post a.pillar-link:hover { color: var(--signal); border-bottom-color: var(--signal); }

  .thesis { font-family: var(--f-serif); font-size: clamp(22px, 2.6vw, 30px); line-height: 1.25; letter-spacing: -0.012em; color: var(--ink); border-left: 2px solid var(--ink); padding: 6px 0 6px 22px; margin: 32px 0; max-width: 32ch; }
  .thesis em { font-style: italic; color: var(--signal-ink); }

  .verify { border-left: 3px solid var(--warn); background: var(--warn-soft); padding: 18px 22px; margin: 24px 0; max-width: var(--read); }
  .verify .head { font-family: var(--f-mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--warn); margin-bottom: 8px; font-weight: 600; }
  .verify p { margin: 0; color: #3a1a20; font-size: 15px; line-height: 1.55; }

  /* obligation matrix — horizon × purpose */
  .matrix-panel {
    border: var(--hairline) solid var(--rule);
    background: var(--paper);
    margin: 32px 0;
    max-width: var(--read);
    overflow: hidden;
  }
  .matrix-head {
    background: var(--ink);
    color: var(--paper);
    padding: 14px 22px;
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
  }
  .matrix-head .scope { opacity: 0.7; }
  .matrix-grid {
    display: grid;
    grid-template-columns: 140px 1fr 1fr;
  }
  @media (max-width: 600px) {
    .matrix-grid { grid-template-columns: 100px 1fr 1fr; font-size: 12px; }
  }
  .matrix-cell {
    padding: 14px 16px;
    border-right: var(--hairline) solid var(--rule-soft);
    border-bottom: var(--hairline) solid var(--rule-soft);
    font-size: 13px;
  }
  .matrix-cell:nth-child(3n) { border-right: none; }
  .matrix-cell.head {
    background: var(--paper-2);
    font-family: var(--f-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink-3);
    font-weight: 500;
  }
  .matrix-cell.head.first { background: var(--ink); color: var(--paper); }
  .matrix-cell.row-head {
    background: var(--paper-2);
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ink);
    font-weight: 500;
  }
  .matrix-cell .alloc {
    font-family: var(--f-mono);
    font-size: 13px;
    color: var(--ink);
    font-weight: 600;
    margin-bottom: 4px;
  }
  .matrix-cell .alloc .n { color: var(--signal-ink); }
  .matrix-cell .alloc .d { color: var(--warn); }
  .matrix-cell .alloc .slash { color: var(--ink-3); margin: 0 2px; }
  .matrix-cell .why {
    font-size: 12px;
    color: var(--ink-2);
    line-height: 1.45;
  }

  /* instrument cards */
  .inst-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border: var(--hairline) solid var(--rule); margin-top: 24px; }
  @media (max-width: 720px) { .inst-grid { grid-template-columns: 1fr; } }
  .inst-cell { border-right: var(--hairline) solid var(--rule); border-bottom: var(--hairline) solid var(--rule); padding: 24px 26px 26px; display: flex; flex-direction: column; gap: 6px; }
  .inst-cell:nth-child(2n) { border-right: none; }
  @media (max-width: 720px) { .inst-cell { border-right: none; } }
  .inst-cell .tag { font-family: var(--f-mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--signal); margin-bottom: 4px; font-weight: 600; }
  .inst-cell.warn .tag { color: var(--amber); }
  .inst-cell.banned .tag { color: var(--warn); }
  .inst-cell h4 { font-family: var(--f-sans); font-size: 18px; font-weight: 500; line-height: 1.25; margin: 0 0 8px; letter-spacing: -0.015em; color: var(--ink); }
  .inst-cell .verdict {
    font-family: var(--f-mono);
    font-size: 11px;
    margin: 8px 0 12px;
    padding: 6px 0;
    border-top: var(--hairline) solid var(--rule-soft);
    border-bottom: var(--hairline) solid var(--rule-soft);
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
  }
  .inst-cell .verdict .k {
    color: var(--ink-3);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-size: 10px;
  }
  .inst-cell .verdict .v {
    color: var(--signal-ink);
    font-weight: 600;
  }
  .inst-cell.warn .verdict .v { color: var(--amber); }
  .inst-cell.banned .verdict .v { color: var(--warn); }
  .inst-cell p { margin: 0; color: var(--ink-2); font-size: 14px; line-height: 1.55; max-width: none; }
  .inst-cell p + p { margin-top: 8px; }
  .inst-cell strong { color: var(--ink); }

  /* archetype cards */
  .arche-section { margin-top: 56px; }
  .arche-banner {
    border-top: 2px solid var(--ink);
    padding: 18px 0 12px;
    margin-bottom: 28px;
  }
  .arche-banner .arche-id {
    font-family: var(--f-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--signal);
    font-weight: 600;
    margin-bottom: 8px;
  }
  .arche-banner h3 {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: clamp(22px, 2.6vw, 28px);
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin: 0 0 6px;
    color: var(--ink);
    max-width: 36ch;
  }
  .arche-banner h3 .em { font-family: var(--f-serif); font-style: italic; color: var(--signal-ink); }
  .arche-banner .arche-desc {
    font-size: 15px;
    color: var(--ink-2);
    max-width: 60ch;
    margin: 8px 0 0;
    line-height: 1.5;
  }

  .arche-card {
    border: var(--hairline) solid var(--rule);
    background: var(--paper);
    padding: 26px 28px 24px;
    margin-bottom: 22px;
  }
  .arche-card .who {
    font-family: var(--f-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--signal);
    margin-bottom: 8px;
    font-weight: 600;
  }
  .arche-card h4 {
    font-family: var(--f-sans);
    font-size: 19px;
    font-weight: 500;
    line-height: 1.25;
    margin: 0 0 6px;
    letter-spacing: -0.015em;
  }
  .arche-card .profile {
    font-size: 14px;
    color: var(--ink-3);
    margin: 0 0 16px;
    line-height: 1.5;
  }
  .arche-card .alloc-bar {
    display: flex;
    border: var(--hairline) solid var(--rule);
    margin-bottom: 16px;
    height: 36px;
    font-family: var(--f-mono);
    font-size: 11px;
    overflow: hidden;
  }
  .arche-card .alloc-bar .seg {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--paper);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-weight: 600;
  }
  .arche-card .alloc-bar .seg.naira { background: var(--signal); }
  .arche-card .alloc-bar .seg.dollar { background: var(--ink); }
  .arche-card .alloc-bar .seg.alt { background: var(--amber); }
  .arche-card .breakdown-mini {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
    border-top: var(--hairline) solid var(--rule-soft);
    padding-top: 14px;
  }
  @media (max-width: 600px) { .arche-card .breakdown-mini { grid-template-columns: 1fr; } }
  .arche-card .breakdown-mini .item {
    padding: 6px 14px 6px 0;
    font-size: 13px;
    color: var(--ink-2);
    line-height: 1.5;
  }
  .arche-card .breakdown-mini .item strong { color: var(--ink); display: block; font-size: 12px; margin-bottom: 2px; }
  .arche-card .commentary {
    margin-top: 16px;
    padding-top: 14px;
    border-top: var(--hairline) solid var(--rule-soft);
    font-size: 14px;
    color: var(--ink-2);
    line-height: 1.55;
  }
  .arche-card .commentary strong { color: var(--ink); }

  /* breakdown rows */
  .breakdown { border-top: var(--hairline) solid var(--rule); margin-top: 28px; }
  .breakdown-row { border-bottom: var(--hairline) solid var(--rule); padding: 22px 0; display: grid; grid-template-columns: 56px 1fr; gap: 20px; align-items: baseline; }
  @media (max-width: 560px) { .breakdown-row { grid-template-columns: 44px 1fr; gap: 14px; } }
  .breakdown-row .idx { font-family: var(--f-mono); font-size: 11px; color: var(--signal); letter-spacing: 0.06em; padding-top: 4px; }
  .breakdown-row .body h4 { font-family: var(--f-sans); font-weight: 600; font-size: 18px; line-height: 1.3; letter-spacing: -0.01em; margin: 0 0 8px; }
  .breakdown-row .body p { margin: 0; color: var(--ink-2); max-width: 60ch; font-size: 16px; }
  .breakdown-row .body p + p { margin-top: 8px; }

  .cta-strip { border-top: 2px solid var(--ink); border-bottom: var(--hairline) solid var(--rule); background: var(--paper-2); padding: clamp(40px, 5vw, 64px) 0; }
  .cta-strip-inner { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }
  .cta-strip h3 { font-family: var(--f-sans); font-weight: 500; font-size: clamp(22px, 2.6vw, 28px); line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 8px; max-width: 32ch; }
  .cta-strip p { color: var(--ink-2); margin: 0 0 28px; max-width: 56ch; }
  .cta-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: var(--hairline) solid var(--rule); background: var(--paper); }
  @media (max-width: 720px) { .cta-cards { grid-template-columns: 1fr; } }
  .cta-card { border-right: var(--hairline) solid var(--rule); padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 8px; transition: background 0.15s; }
  .cta-card:last-child { border-right: none; }
  @media (max-width: 720px) { .cta-card { border-right: none; border-bottom: var(--hairline) solid var(--rule); } .cta-card:last-child { border-bottom: none; } }
  .cta-card:hover { background: var(--paper-2); }
  .cta-card .ck { font-family: var(--f-mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--signal); }
  .cta-card h4 { font-family: var(--f-sans); font-size: 17px; font-weight: 500; line-height: 1.3; margin: 0; letter-spacing: -0.01em; }
  .cta-card .arr { margin-top: auto; font-family: var(--f-mono); font-size: 11px; color: var(--ink-3); text-transform: uppercase; letter-spacing: 0.06em; }
  .cta-card .arr .a { color: var(--signal); margin-right: 6px; }

  .faq-block { border-top: var(--hairline) solid var(--rule); margin-top: 28px; }
  .faq-row { border-bottom: var(--hairline) solid var(--rule); padding: 24px 0; }
  .faq-row .q { font-family: var(--f-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--signal); margin-bottom: 10px; }
  .faq-row h4 { font-family: var(--f-sans); font-weight: 500; font-size: 19px; line-height: 1.3; margin: 0 0 12px; letter-spacing: -0.015em; max-width: 56ch; }
  .faq-row p { margin: 0; color: var(--ink-2); font-size: 16px; line-height: 1.55; max-width: 64ch; }

  footer.docfoot { border-top: var(--hairline) solid var(--rule); background: var(--ink); color: var(--paper); }
  footer.docfoot .inner { max-width: var(--max); margin: 0 auto; padding: 32px var(--pad); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; font-family: var(--f-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; opacity: 0.85; }


/* ===== Source: naijaos-s09-inflation-march-2026.html ===== */

  :root {
    --ink: #0A0A0A;
    --ink-2: #2A2A28;
    --ink-3: #5C5C58;
    --ink-4: #8A8780;
    --rule: #1A1A18;
    --rule-soft: #D8D5CC;
    --paper: #FAFAF7;
    --paper-2: #F1EFE8;
    --paper-3: #E8E5DB;
    --signal: #0F7A3E;
    --signal-ink: #094D27;
    --signal-soft: #E3F0E8;
    --warn: #8B2635;
    --warn-soft: #F2E4E6;
    --amber: #B86E00;
    --amber-soft: #F5E8D5;
    --hairline: 1px;

    --f-sans: "Geist", -apple-system, BlinkMacSystemFont, sans-serif;
    --f-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    --f-serif: "Instrument Serif", Georgia, serif;

    --pad: clamp(20px, 4vw, 48px);
    --max: 1100px;
    --read: 680px;
  }

  * { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
  body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--f-sans);
    font-size: 17px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: "ss01", "cv11";
  }
  a { color: inherit; text-decoration: none; }

  /* status bar */
  .statusbar {
    border-bottom: var(--hairline) solid var(--rule);
    background: var(--ink);
    color: var(--paper);
    font-family: var(--f-mono);
    font-size: 11px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }
  .statusbar-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 8px var(--pad);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
  }
  .status-left { display: flex; gap: 18px; align-items: center; }
  .status-right { display: flex; gap: 18px; align-items: center; opacity: 0.7; }
  .live-dot {
    display: inline-block;
    width: 6px; height: 6px;
    background: var(--signal);
    border-radius: 50%;
    margin-right: 6px;
    animation: pulse 2.4s infinite;
    vertical-align: middle;
  }
  @keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(15,122,62,0.6); }
    70% { box-shadow: 0 0 0 6px rgba(15,122,62,0); }
    100% { box-shadow: 0 0 0 0 rgba(15,122,62,0); }
  }
  @media (max-width: 720px) {
    .status-right span:nth-child(1) { display: none; }
  }

  /* masthead */
  .masthead {
    border-bottom: var(--hairline) solid var(--rule);
    background: rgba(250, 250, 247, 0.92);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 50;
  }
  .masthead-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 14px var(--pad);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }
  .wordmark { display: flex; align-items: baseline; gap: 12px; }
  .wordmark .mark {
    font-family: var(--f-mono);
    font-weight: 600;
    font-size: 18px;
    letter-spacing: -0.02em;
  }
  .wordmark .mark .os { color: var(--signal); }
  .wordmark .crumb {
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--ink-3);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border-left: var(--hairline) solid var(--rule-soft);
    padding-left: 12px;
  }
  .nav-back {
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--ink-2);
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }
  .nav-back:hover { color: var(--signal); }
  .nav-back .arr { color: var(--signal); margin-right: 6px; }

  /* deference banner */
  .defer-banner {
    background: var(--paper-2);
    border-bottom: var(--hairline) solid var(--rule-soft);
  }
  .defer-banner-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 14px var(--pad);
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ink-3);
  }
  .defer-banner .label { color: var(--ink); font-weight: 500; }
  .defer-banner .target { color: var(--signal-ink); font-weight: 500; }
  .defer-banner .target:hover { color: var(--signal); }
  .defer-banner .arr { color: var(--signal); margin: 0 6px; }

  /* post header */
  .post-head {
    border-bottom: var(--hairline) solid var(--rule);
    background: var(--paper);
  }
  .post-head-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: clamp(40px, 6vw, 72px) var(--pad) clamp(32px, 5vw, 48px);
  }
  .post-meta {
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink-3);
    margin-bottom: 28px;
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    align-items: center;
  }
  .post-meta .pill {
    border: var(--hairline) solid var(--ink);
    padding: 4px 10px;
    color: var(--ink);
    background: var(--paper);
  }
  .post-meta .sep::before {
    content: "//";
    color: var(--signal);
    margin-right: 6px;
  }
  .post-title {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: clamp(34px, 5.5vw, 60px);
    line-height: 1.04;
    letter-spacing: -0.03em;
    margin: 0 0 24px;
    max-width: 18ch;
  }
  .post-title .em {
    font-family: var(--f-serif);
    font-weight: 400;
    font-style: italic;
    color: var(--signal-ink);
    letter-spacing: -0.015em;
  }
  .post-deck {
    font-size: clamp(17px, 1.7vw, 20px);
    line-height: 1.5;
    color: var(--ink-2);
    max-width: 60ch;
    margin: 0;
  }

  /* TOC */
  .toc {
    border-bottom: var(--hairline) solid var(--rule);
    background: var(--paper-2);
  }
  .toc-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 20px var(--pad);
    display: flex;
    gap: 32px;
    align-items: baseline;
    flex-wrap: wrap;
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink-3);
  }
  .toc-label { color: var(--ink); }
  .toc-list { display: flex; gap: 24px; flex-wrap: wrap; }
  .toc-list a { color: var(--ink-2); transition: color 0.15s; }
  .toc-list a:hover { color: var(--signal); }
  .toc-list a .num { color: var(--signal); margin-right: 6px; }

  /* article */
  article.post {
    max-width: var(--max);
    margin: 0 auto;
    padding: clamp(40px, 6vw, 72px) var(--pad);
  }
  .post section {
    margin-bottom: clamp(48px, 6vw, 72px);
    scroll-margin-top: 80px;
  }
  .sec-label {
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ink-3);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .sec-label::before {
    content: "";
    width: 24px;
    height: 1px;
    background: var(--ink);
  }
  .sec-label .id { color: var(--ink); font-weight: 500; }
  .sec-title {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: clamp(26px, 3.4vw, 36px);
    line-height: 1.1;
    letter-spacing: -0.025em;
    margin: 0 0 24px;
    max-width: 26ch;
    color: var(--ink);
  }
  .post p {
    max-width: var(--read);
    margin: 0 0 18px;
    color: var(--ink);
  }
  .post p.lede {
    font-size: 19px;
    color: var(--ink-2);
    max-width: 60ch;
  }
  .post strong { font-weight: 600; color: var(--ink); }
  .post em { font-style: italic; }

  .post a.pillar-link {
    color: var(--signal-ink);
    border-bottom: 1px solid var(--rule-soft);
    transition: color 0.15s, border-color 0.15s;
  }
  .post a.pillar-link:hover {
    color: var(--signal);
    border-bottom-color: var(--signal);
  }

  /* thesis */
  .thesis {
    font-family: var(--f-serif);
    font-size: clamp(22px, 2.6vw, 30px);
    line-height: 1.25;
    letter-spacing: -0.012em;
    color: var(--ink);
    border-left: 2px solid var(--ink);
    padding: 6px 0 6px 22px;
    margin: 32px 0;
    max-width: 32ch;
  }
  .thesis em { font-style: italic; color: var(--signal-ink); }

  /* verify */
  .verify {
    border-left: 3px solid var(--warn);
    background: var(--warn-soft);
    padding: 18px 22px;
    margin: 24px 0;
    max-width: var(--read);
  }
  .verify .head {
    font-family: var(--f-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--warn);
    margin-bottom: 8px;
    font-weight: 600;
  }
  .verify p {
    margin: 0;
    color: #3a1a20;
    font-size: 15px;
    line-height: 1.55;
  }

  /* TRAJECTORY SPARKLINE PANEL */
  .traj-panel {
    border: 2px solid var(--ink);
    background: var(--paper);
    padding: 28px 28px 24px;
    margin: 32px 0;
    max-width: var(--read);
    position: relative;
  }
  .traj-panel::before {
    content: "INFLATION TRAJECTORY";
    position: absolute;
    top: -10px;
    left: 24px;
    background: var(--ink);
    color: var(--paper);
    font-family: var(--f-mono);
    font-size: 10px;
    letter-spacing: 0.12em;
    padding: 3px 10px;
  }
  .traj-head {
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink-3);
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
  }
  .traj-head .scope { color: var(--signal-ink); font-weight: 500; }
  .sparkline-svg {
    width: 100%;
    height: auto;
    display: block;
    margin: 8px 0;
  }
  .traj-foot {
    margin-top: 12px;
    padding-top: 12px;
    border-top: var(--hairline) solid var(--rule-soft);
    font-family: var(--f-mono);
    font-size: 10px;
    color: var(--ink-3);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    line-height: 1.5;
  }

  /* DECOMPOSITION TABLE */
  .decomp-panel {
    border: var(--hairline) solid var(--rule);
    background: var(--paper-2);
    padding: 0;
    margin: 32px 0;
    font-family: var(--f-mono);
    max-width: var(--read);
    overflow: hidden;
  }
  .decomp-panel .head {
    background: var(--ink);
    color: var(--paper);
    padding: 14px 22px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    flex-wrap: wrap;
    gap: 8px;
  }
  .decomp-panel .head .scope { opacity: 0.7; }
  .decomp-panel .row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 0.7fr;
    background: var(--paper-2);
    border-bottom: var(--hairline) solid var(--rule-soft);
  }
  .decomp-panel .row:last-of-type { border-bottom: none; }
  .decomp-panel .row.col-head {
    background: var(--paper);
  }
  .decomp-panel .cell {
    padding: 12px 14px;
    border-right: var(--hairline) solid var(--rule-soft);
    font-size: 12px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .decomp-panel .cell:last-child { border-right: none; }
  .decomp-panel .row.col-head .cell {
    color: var(--ink-3);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-size: 10px;
    font-weight: 500;
  }
  .decomp-panel .cell .lab {
    color: var(--ink);
    font-weight: 500;
  }
  .decomp-panel .cell .lab .meta {
    display: block;
    font-size: 10px;
    color: var(--ink-3);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-top: 2px;
    font-weight: 400;
  }
  .decomp-panel .cell .v {
    color: var(--ink);
    font-weight: 500;
  }
  .decomp-panel .cell .delta {
    font-size: 10px;
    color: var(--ink-3);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-top: 2px;
  }
  .decomp-panel .cell .delta.up { color: var(--warn); }
  .decomp-panel .cell .delta.flat { color: var(--ink-3); }
  .decomp-panel .cell .arrow {
    font-size: 14px;
    text-align: center;
    color: var(--warn);
    font-weight: 600;
  }
  .decomp-panel .cell .arrow.flat { color: var(--ink-3); }
  .decomp-panel .foot {
    padding: 12px 22px;
    background: var(--paper);
    font-size: 10px;
    color: var(--ink-3);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    line-height: 1.5;
  }
  @media (max-width: 600px) {
    .decomp-panel .row { grid-template-columns: 1.5fr 0.9fr 0.9fr 0.5fr; }
    .decomp-panel .cell { padding: 10px 10px; font-size: 11px; }
  }

  /* breakdown rows */
  .breakdown {
    border-top: var(--hairline) solid var(--rule);
    margin-top: 28px;
  }
  .breakdown-row {
    border-bottom: var(--hairline) solid var(--rule);
    padding: 22px 0;
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: 20px;
    align-items: baseline;
  }
  @media (max-width: 560px) {
    .breakdown-row { grid-template-columns: 44px 1fr; gap: 14px; }
  }
  .breakdown-row .idx {
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--signal);
    letter-spacing: 0.06em;
    padding-top: 4px;
  }
  .breakdown-row .body h4 {
    font-family: var(--f-sans);
    font-weight: 600;
    font-size: 18px;
    line-height: 1.3;
    letter-spacing: -0.01em;
    margin: 0 0 8px;
  }
  .breakdown-row .body p {
    margin: 0;
    color: var(--ink-2);
    max-width: 60ch;
    font-size: 16px;
  }
  .breakdown-row .body p + p { margin-top: 8px; }

  /* CTA strip */
  .cta-strip {
    border-top: 2px solid var(--ink);
    border-bottom: var(--hairline) solid var(--rule);
    background: var(--paper-2);
    padding: clamp(40px, 5vw, 64px) 0;
  }
  .cta-strip-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 var(--pad);
  }
  .cta-strip h3 {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: clamp(22px, 2.6vw, 28px);
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin: 0 0 8px;
    max-width: 32ch;
  }
  .cta-strip p {
    color: var(--ink-2);
    margin: 0 0 28px;
    max-width: 56ch;
  }
  .cta-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border: var(--hairline) solid var(--rule);
    background: var(--paper);
  }
  @media (max-width: 720px) {
    .cta-cards { grid-template-columns: 1fr; }
  }
  .cta-card {
    border-right: var(--hairline) solid var(--rule);
    padding: 22px 22px 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: background 0.15s;
  }
  .cta-card:last-child { border-right: none; }
  @media (max-width: 720px) {
    .cta-card { border-right: none; border-bottom: var(--hairline) solid var(--rule); }
    .cta-card:last-child { border-bottom: none; }
  }
  .cta-card:hover { background: var(--paper-2); }
  .cta-card .ck {
    font-family: var(--f-mono);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--signal);
  }
  .cta-card h4 {
    font-family: var(--f-sans);
    font-size: 17px;
    font-weight: 500;
    line-height: 1.3;
    margin: 0;
    letter-spacing: -0.01em;
  }
  .cta-card .arr {
    margin-top: auto;
    font-family: var(--f-mono);
    font-size: 11px;
    color: var(--ink-3);
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }
  .cta-card .arr .a { color: var(--signal); margin-right: 6px; }

  /* FAQ */
  .faq-block {
    border-top: var(--hairline) solid var(--rule);
    margin-top: 28px;
  }
  .faq-row {
    border-bottom: var(--hairline) solid var(--rule);
    padding: 24px 0;
  }
  .faq-row .q {
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--signal);
    margin-bottom: 10px;
  }
  .faq-row h4 {
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: 19px;
    line-height: 1.3;
    margin: 0 0 12px;
    letter-spacing: -0.015em;
    max-width: 56ch;
  }
  .faq-row p {
    margin: 0;
    color: var(--ink-2);
    font-size: 16px;
    line-height: 1.55;
    max-width: 64ch;
  }

  /* footer */
  footer.docfoot {
    border-top: var(--hairline) solid var(--rule);
    background: var(--ink);
    color: var(--paper);
  }
  footer.docfoot .inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 32px var(--pad);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    font-family: var(--f-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    opacity: 0.85;
  }



/* =========================================================
   naijaOS final deploy overrides
   Generated static pack: one stylesheet for all shipped pages.
   No external font CDN is loaded by production pages.
   ========================================================= */
:root {
  --ink: #0A0A0A;
  --ink-2: #2A2A28;
  --ink-3: #5C5C58;
  --ink-4: #8A8780;
  --rule: #1A1A18;
  --rule-soft: #D8D5CC;
  --paper: #FAFAF7;
  --paper-2: #F1EFE8;
  --paper-3: #E8E5DB;
  --signal: #0F7A3E;
  --signal-ink: #094D27;
  --signal-soft: #E3F0E8;
  --signal-bright: #6FCB94;
  --warn: #8B2635;
  --warn-soft: #F2E4E6;
  --amber: #B86E00;
  --amber-soft: #F5E8D5;
  --hairline: 1px;
  --f-sans: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --f-serif: "Instrument Serif", Georgia, serif;
  --pad: clamp(20px, 4vw, 48px);
}
body.doctrine { --max: 1320px; --read: 700px; }
body.system-post { --max: 1100px; --read: 680px; }
.live-dot { background: var(--signal-bright) !important; box-shadow: 0 0 0 3px rgba(111, 203, 148, 0.18); }
.statusbar-inner, .masthead-inner, .footer-inner { max-width: var(--max); }
a[href="index.html"], a[href^="index.html#"], a[href^="naijaos-"] { cursor: pointer; }
.footer {
  border-top: var(--hairline) solid var(--rule);
  background: var(--ink);
  color: var(--paper);
}
.footer-inner {
  margin: 0 auto;
  padding: 20px var(--pad);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.footer .os { color: var(--signal-bright); }
.footer .right { display: flex; gap: 20px; flex-wrap: wrap; }
.site-index .hero-kicker,
.site-index .card-kicker,
.site-index .label {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--signal-ink);
  font-weight: 600;
}
.site-index .index-head {
  border-bottom: var(--hairline) solid var(--rule);
  background: var(--paper-2);
}
.site-index .index-head-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 64px var(--pad) 56px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 360px);
  gap: 48px;
  align-items: start;
}
.site-index h1 {
  font-family: var(--f-sans);
  font-size: clamp(38px, 6vw, 72px);
  line-height: .96;
  letter-spacing: -0.05em;
  margin: 14px 0 18px;
  max-width: 780px;
}
.site-index .em { font-family: var(--f-serif); font-style: italic; font-weight: 400; }
.site-index .deck {
  color: var(--ink-2);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.55;
  max-width: 760px;
  margin: 0;
}
.site-index .record-panel {
  border: var(--hairline) solid var(--rule);
  background: var(--paper);
}
.site-index .record-head {
  display: flex;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: var(--hairline) solid var(--rule);
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
.site-index .record-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 14px;
  border-bottom: var(--hairline) solid var(--rule-soft);
  font-size: 13px;
}
.site-index .record-row:last-child { border-bottom: none; }
.site-index .record-row span:first-child {
  color: var(--ink-3);
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.site-index main {
  max-width: 1320px;
  margin: 0 auto;
  padding: 40px var(--pad) 88px;
}
.site-index .section-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
  border-bottom: var(--hairline) solid var(--rule);
  padding: 34px 0 16px;
  margin-bottom: 22px;
}
.site-index .section-head h2 {
  margin: 0;
  font-size: clamp(25px, 3vw, 36px);
  letter-spacing: -0.03em;
}
.site-index .section-head p {
  color: var(--ink-3);
  margin: 0;
  max-width: 440px;
  font-size: 14px;
}
.site-index .article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.site-index .article-card {
  border: var(--hairline) solid var(--rule);
  background: var(--paper);
  min-height: 245px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform .18s ease, box-shadow .18s ease;
}
.site-index .article-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(10,10,10,.08);
}
.site-index .article-card .top { padding: 18px; }
.site-index .article-card h3 {
  margin: 11px 0 12px;
  font-size: 21px;
  line-height: 1.12;
  letter-spacing: -0.025em;
}
.site-index .article-card p {
  margin: 0;
  color: var(--ink-2);
  font-size: 14.5px;
  line-height: 1.55;
}
.site-index .article-card .bottom {
  border-top: var(--hairline) solid var(--rule-soft);
  padding: 11px 18px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.site-index .note-box {
  border: var(--hairline) solid var(--rule);
  background: var(--paper-2);
  padding: 18px;
  color: var(--ink-2);
  line-height: 1.65;
  max-width: 860px;
}
.site-index .note-box strong { color: var(--ink); }
@media (max-width: 920px) {
  .site-index .index-head-inner { grid-template-columns: 1fr; }
  .site-index .article-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .site-index .article-grid { grid-template-columns: 1fr; }
  .site-index .section-head { display: block; }
  .footer-inner { display: block; }
  .footer .right { margin-top: 8px; }
}