/* =====================================================================
   From the Trenches: page.css
   Design system for /work/sep-brief/. Tokens match thegideoncorp.com.
   Layout: one editorial grid with named lines (full, wide, text).
   Rule: amber is a signal, never decoration. Hairlines, no shadows.
   ===================================================================== */

/* ---------- 1. Tokens ---------- */
:root{
  /* site tokens, exact */
  --bg:#0A0C0F; --surface:#14181F; --surface-2:#1C222C; --line:#2A323D;
  --text:#E6E8EB; --muted:#C9D1D9; --accent:#F2A900;
  --go:#3FB950; --info:#36A3E2; --alert:#E5484D;
  --font-ui:'Inter',-apple-system,'Segoe UI',Roboto,sans-serif;
  --font-mono:'IBM Plex Mono','JetBrains Mono',ui-monospace,monospace;
  --ease:cubic-bezier(.2,.7,.2,1); --dur:280ms; --radius:12px; --hair:1px solid var(--line);
  --maxw:1240px; --pad:clamp(20px,5vw,72px);
  --accent-glow:0 0 0 1px rgba(242,169,0,.25), 0 0 34px -10px rgba(242,169,0,.5);

  /* extensions for long-form reading (derived, not new hues) */
  --faint:#8B949E;            /* tertiary ink: axes, sources, meta (6.4:1 on bg) */
  --line-2:#3A4452;           /* hover hairline, one step up from --line */
  --line-soft:#1B2129;        /* gridline, one step off the ground */
  --accent-dim:rgba(242,169,0,.14);
  --accent-line:rgba(242,169,0,.45);
  --scrim:rgba(5,7,9,.72);

  /* motion */
  --ease-out:cubic-bezier(.2,.7,.2,1);      /* site ease, default */
  --ease-expo:cubic-bezier(.16,1,.3,1);     /* long settles, reveals */
  --ease-inout:cubic-bezier(.65,0,.35,1);   /* scrubbed or reversible moves */
  --dur-fast:180ms; --dur-base:280ms; --dur-reveal:900ms; --dur-draw:1200ms;
  --stagger:70ms;

  /* type scale (Inter for words, Plex Mono for data) */
  --fs-display:clamp(42px,7.4vw,108px);
  --fs-h1:clamp(34px,4.8vw,66px);
  --fs-h2:clamp(24px,2.6vw,34px);
  --fs-h3:clamp(19px,1.6vw,22px);
  --fs-lede:clamp(19px,1.75vw,24px);
  --fs-body:clamp(17.5px,1.3vw,19.5px);
  --fs-small:14.5px;
  --fs-micro:12.5px;
  --fs-mono:12px;
  --fs-mono-s:11px;
  --lh-body:1.68;

  /* spacing scale (8px rhythm) */
  --s1:4px; --s2:8px; --s3:12px; --s4:16px; --s5:24px; --s6:32px;
  --s7:48px; --s8:64px; --s9:96px; --s10:128px; --s11:192px;

  /* layout */
  --measure:64ch;
  --gutter:var(--pad);
  --nav-h:57px;
  --wide:1080px;
  color-scheme:dark;
}
@media (max-width:640px){
  :root{ --pad:16px; --s9:72px; --s10:96px; --s11:128px; --nav-h:52px; }
}

/* ---------- 2. Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-top:calc(var(--nav-h) + 24px)}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-ui);font-size:var(--fs-body);line-height:var(--lh-body);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;
  font-feature-settings:"cv11","ss01","ss03";text-rendering:optimizeLegibility}
img,svg,canvas{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
::selection{background:rgba(242,169,0,.28);color:#fff}
:focus-visible{outline:1px solid var(--accent);outline-offset:3px;border-radius:2px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.num{font-variant-numeric:tabular-nums}
.accent{color:var(--accent)}
.hidden{display:none!important}

/* faint survey grid, same as the site, fades out below the hero */
body::before{content:'';position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.03;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:60px 60px;mask-image:radial-gradient(ellipse 110% 70% at 50% 0%,#000 25%,transparent 85%);
  -webkit-mask-image:radial-gradient(ellipse 110% 70% at 50% 0%,#000 25%,transparent 85%)}

.skip{position:absolute;left:var(--pad);top:-60px;z-index:100;background:var(--accent);color:var(--bg);
  font-family:var(--font-mono);font-size:var(--fs-mono);letter-spacing:.12em;text-transform:uppercase;padding:10px 14px;border-radius:6px}
.skip:focus{top:12px}

/* ---------- 3. Editorial grid ----------
   Every direct child of .story sits in the text column unless it opts out.
   .w = wide column (figures, pull quotes), .full = edge to edge. */
.story{position:relative;z-index:1;display:grid;
  grid-template-columns:
    [full-start] minmax(var(--gutter),1fr)
    [wide-start] minmax(0,calc((var(--wide) - var(--measure)) / 2))
    [text-start] min(var(--measure),calc(100% - 2 * var(--gutter)))
    [text-end] minmax(0,calc((var(--wide) - var(--measure)) / 2))
    [wide-end] minmax(var(--gutter),1fr) [full-end]}
.story > *{grid-column:text}
.story > .w,.story > .fig,.story > .pin-track,.story > .stat-row,.story > .pull,.story > .chapter-open{grid-column:wide}
.story > .full,.story > .hero{grid-column:full}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);position:relative;z-index:1}

/* ---------- 4. Top bar, progress, chapter rail ---------- */
.topbar{position:sticky;top:0;z-index:40;height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:var(--s4);
  padding:0 var(--pad);background:rgba(10,12,15,.86);backdrop-filter:blur(10px) saturate(1.2);-webkit-backdrop-filter:blur(10px) saturate(1.2);border-bottom:var(--hair)}
.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand img,.brand svg{height:20px;width:auto}
.wordmark{font-weight:800;letter-spacing:.17em;text-transform:uppercase;font-size:13px;line-height:1}
.wordmark .light{font-weight:400;color:var(--muted)}
.topbar-ch{flex:1;min-width:0;text-align:center;font-family:var(--font-mono);font-size:var(--fs-mono-s);letter-spacing:.14em;text-transform:uppercase;color:var(--faint);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;opacity:0;transition:opacity var(--dur-base) var(--ease-out)}
.topbar-ch.is-on{opacity:1}
.topbar-ch b{color:var(--accent);font-weight:500;margin-right:10px}
.topbar-tag{flex:none;font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);border:1px solid var(--accent-line);border-radius:5px;padding:5px 10px}
.progress{position:fixed;left:0;right:0;top:var(--nav-h);height:2px;z-index:41;pointer-events:none}
.progress i{display:block;height:100%;background:var(--accent);transform-origin:0 50%;transform:scaleX(0);will-change:transform}
@media (max-width:640px){.topbar-tag{display:none}.wordmark{font-size:12px}.topbar-ch{text-align:right}}

/* chapter rail: numbers only, labels on hover, visible on wide screens */
.chnav{position:fixed;left:clamp(16px,2.2vw,36px);top:50%;transform:translateY(-50%);z-index:30;display:none}
.chnav ol{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.chnav a{position:relative;display:flex;align-items:center;gap:10px;padding:6px 0;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.12em;color:var(--faint);
  transition:color var(--dur-base) var(--ease-out)}
.chnav a::before{content:'';width:12px;height:1px;background:var(--line-2);transition:width var(--dur-base) var(--ease-out),background var(--dur-base) var(--ease-out)}
.chnav a span{position:absolute;left:44px;white-space:nowrap;font-family:var(--font-ui);font-size:13px;letter-spacing:0;color:var(--text);
  background:var(--surface);border:var(--hair);border-radius:6px;padding:5px 10px;opacity:0;transform:translateX(-4px);pointer-events:none;
  transition:opacity var(--dur-fast) var(--ease-out),transform var(--dur-fast) var(--ease-out)}
.chnav a:hover,.chnav a:focus-visible{color:var(--text)}
.chnav a:hover span,.chnav a:focus-visible span{opacity:1;transform:none}
.chnav a.is-active{color:var(--accent)}
.chnav a.is-active::before{width:24px;background:var(--accent)}
.chnav.is-on{display:block}
@media (max-width:1359px){.chnav,.chnav.is-on{display:none}}

/* ---------- 5. Shared type primitives ---------- */
.kicker{font-family:var(--font-mono);font-size:var(--fs-mono);letter-spacing:.2em;text-transform:uppercase;color:var(--muted);
  display:inline-flex;align-items:center;gap:12px;margin:0}
.kicker::before{content:'';width:26px;height:1px;background:var(--accent);flex:none}
.meta{font-family:var(--font-mono);font-size:var(--fs-mono-s);letter-spacing:.14em;text-transform:uppercase;color:var(--faint);font-variant-numeric:tabular-nums}
.meta > * + *::before{content:'/';margin:0 10px;color:var(--line-2)}
.rule{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 6. Hero ---------- */
.hero{position:relative;min-height:calc(100svh - var(--nav-h));display:grid;grid-template-columns:subgrid;grid-template-rows:auto auto 1fr;
  padding:clamp(56px,10vh,120px) 0 0}
.hero > *{grid-column:wide}
@supports not (grid-template-columns:subgrid){.hero{display:block;padding-inline:var(--gutter);max-width:calc(var(--wide) + 2 * var(--gutter));margin-inline:auto;width:100%}}
.hero-copy{max-width:1040px}
.hero h1{font-size:var(--fs-display);line-height:.96;font-weight:800;letter-spacing:-.04em;margin:var(--s5) 0 0;max-width:15ch;text-wrap:balance}
.hero h1 .thin{display:block;font-weight:300;color:var(--muted);letter-spacing:-.035em}
.hero .dek{font-size:var(--fs-lede);line-height:1.5;color:var(--muted);max-width:52ch;margin:var(--s6) 0 0;text-wrap:pretty}
.hero .meta{margin-top:var(--s6)}
.hero-stage{position:relative;margin-top:var(--s7);min-height:min(78vh,820px)}
.hero-stage::before{content:'';position:absolute;inset:8% 15%;border-radius:50%;pointer-events:none;
  background:radial-gradient(closest-side,rgba(242,169,0,.07),rgba(54,163,226,.035) 55%,transparent 100%);filter:blur(10px)}
.hero-scroll{position:absolute;left:50%;bottom:var(--s5);transform:translateX(-50%);font-family:var(--font-mono);font-size:10px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--faint);display:flex;flex-direction:column;align-items:center;gap:10px}
.hero-scroll::after{content:'';width:1px;height:36px;background:linear-gradient(var(--faint),transparent);transform-origin:top;animation:cue 2.4s var(--ease-inout) infinite}
@keyframes cue{0%{transform:scaleY(0);opacity:1}60%{transform:scaleY(1);opacity:1}100%{transform:scaleY(1);opacity:0}}

/* counters row (hero-counters visual renders into .counters or uses this markup) */
.counters{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:var(--s7);border-top:var(--hair)}
.counter{padding:var(--s5) var(--s5) 0 0}
.counter + .counter{padding-left:var(--s5);border-left:var(--hair)}
.counter .n{font-size:clamp(36px,4.4vw,60px);font-weight:600;letter-spacing:-.035em;line-height:1;color:var(--text)}
.counter .l{font-family:var(--font-mono);font-size:var(--fs-mono-s);letter-spacing:.14em;text-transform:uppercase;color:var(--faint);margin-top:var(--s3)}
.counter:first-child .n{color:var(--accent)}
@media (max-width:640px){
  .counters{grid-template-columns:repeat(2,minmax(0,1fr))}
  .counter{padding:var(--s4) var(--s4) var(--s4) 0}
  .counter + .counter{padding-left:var(--s4)}
  .counter:nth-child(3){padding-left:0;border-left:0;border-top:var(--hair)}
  .counter:nth-child(4){border-top:var(--hair)}
}

/* ---------- 7. Chapter opener ---------- */
.chapter{display:contents}
.chapter-open{position:relative;margin-top:var(--s11);padding-top:var(--s6);display:grid;grid-template-columns:auto 1fr;column-gap:clamp(20px,4vw,64px);align-items:start}
.chapter-open::before{content:'';position:absolute;left:0;right:0;top:0;height:1px;background:var(--line);transform-origin:0 50%}
.chapter-open::after{content:'';position:absolute;left:0;top:0;width:72px;height:1px;background:var(--accent);transform-origin:0 50%}
.ch-num{font-size:clamp(88px,13vw,184px);font-weight:200;line-height:.8;letter-spacing:-.06em;font-variant-numeric:tabular-nums;
  color:var(--faint);opacity:.55;-webkit-text-stroke:0;margin:0;user-select:none;align-self:start}
.ch-head{padding-bottom:6px}
.ch-head .kicker{margin-bottom:var(--s4)}
.ch-title{font-size:clamp(32px,4.2vw,58px);line-height:1.05;font-weight:750;letter-spacing:-.03em;margin:0;max-width:22ch;text-wrap:balance}
.ch-dek{grid-column:1 / -1;font-size:var(--fs-lede);line-height:1.5;color:var(--muted);max-width:var(--measure);margin:var(--s6) 0 0;text-wrap:pretty}
.story > .chapter-open + *{margin-top:var(--s7)}
@media (max-width:640px){
  .chapter-open{grid-template-columns:1fr;margin-top:var(--s10)}
  .ch-num{font-size:84px;margin-bottom:var(--s4)}
}

/* ---------- 8. Prose ---------- */
.story > p,.prose p{margin:0 0 1.15em;text-wrap:pretty;hanging-punctuation:first}
.story > p + p{margin-top:0}
.story > p strong,.prose strong{font-weight:600;color:var(--text)}
.story > p em{font-style:italic;color:var(--text)}
.story > .lede,.prose .lede{font-size:var(--fs-lede);line-height:1.52;color:var(--text);font-weight:400;letter-spacing:-.005em;margin-bottom:1em}
.story > h2,.prose h2{font-size:var(--fs-h2);font-weight:700;letter-spacing:-.02em;line-height:1.15;margin:var(--s8) 0 var(--s4)}
.story > h3,.prose h3{font-size:var(--fs-h3);font-weight:650;letter-spacing:-.012em;line-height:1.3;margin:var(--s7) 0 var(--s3)}
.story a:not([class]),.prose a:not([class]){color:var(--text);background-image:linear-gradient(var(--accent-line),var(--accent-line));
  background-size:100% 1px;background-position:0 100%;background-repeat:no-repeat;padding-bottom:1px;transition:background-size var(--dur-base) var(--ease-out),color var(--dur-base)}
.story a:not([class]):hover{color:var(--accent)}
.story > ul,.story > ol{margin:0 0 1.15em;padding-left:1.2em}
.story > ul li,.story > ol li{margin:.35em 0;padding-left:.2em}
.story > ul li::marker{color:var(--accent)}
.story > ol li::marker{font-family:var(--font-mono);font-size:.8em;color:var(--faint)}

/* section break inside prose */
.sb{margin:var(--s8) auto;width:100%;height:1px;background:var(--line);border:0;position:relative}
.sb::after{content:'';position:absolute;left:50%;top:-2px;width:5px;height:5px;margin-left:-2.5px;background:var(--bg);border:1px solid var(--line-2);transform:rotate(45deg)}

/* inline excerpt trigger */
.xp{display:inline;appearance:none;background:none;border:0;padding:0 0 1px;margin:0 .1em;cursor:pointer;
  font-family:var(--font-mono);font-size:.68em;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);vertical-align:.12em;
  background-image:linear-gradient(var(--accent-line),var(--accent-line));background-size:100% 1px;background-position:0 100%;background-repeat:no-repeat;
  transition:color var(--dur-fast) var(--ease-out)}
.xp::before{content:'+';display:inline-block;margin-right:.45em;font-weight:500}
.xp:hover{color:var(--text)}
/* block excerpt trigger, sits between paragraphs */
.xp-row{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:var(--s4);width:100%;margin:var(--s6) 0;padding:var(--s4) 0;
  appearance:none;background:none;border:0;border-top:var(--hair);border-bottom:var(--hair);cursor:pointer;text-align:left;
  transition:border-color var(--dur-base) var(--ease-out)}
.xp-row .xr-k{font-family:var(--font-mono);font-size:var(--fs-mono-s);letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
.xp-row .xr-l{font-size:var(--fs-small);color:var(--text);font-weight:500;line-height:1.4}
.xp-row .xr-go{font-family:var(--font-mono);font-size:var(--fs-mono-s);letter-spacing:.14em;text-transform:uppercase;color:var(--faint);transition:color var(--dur-fast),transform var(--dur-base) var(--ease-out)}
.xp-row:hover{border-color:var(--line-2)}
.xp-row:hover .xr-go{color:var(--text);transform:translateX(3px)}
@media (max-width:640px){.xp-row{grid-template-columns:1fr auto}.xp-row .xr-k{grid-column:1 / -1}}

/* ---------- 9. Pull quote ---------- */
.pull{margin:var(--s9) 0;padding:var(--s6) 0 0;display:grid;grid-template-columns:minmax(0,1fr);
  background:linear-gradient(var(--accent),var(--accent)) 0 0/72px 1px no-repeat,linear-gradient(var(--line),var(--line)) 0 0/100% 1px no-repeat}
.pull > *{max-width:30ch}
.pull p,.pull blockquote{margin:0;font-size:clamp(26px,3.2vw,44px);line-height:1.16;font-weight:500;letter-spacing:-.028em;color:var(--text);text-wrap:balance}
.pull p .accent,.pull blockquote .accent{color:var(--accent)}
.pull cite,.pull .by{display:block;margin-top:var(--s5);font-style:normal;font-family:var(--font-mono);font-size:var(--fs-mono-s);letter-spacing:.16em;text-transform:uppercase;color:var(--faint)}

/* ---------- 10. Stat callouts ---------- */
.stat-row{display:grid;grid-template-columns:repeat(var(--cols,3),minmax(0,1fr));margin:var(--s8) 0;border-top:var(--hair);border-bottom:var(--hair)}
.stat{padding:var(--s6) var(--s5) var(--s6) 0;min-width:0}
.stat + .stat{padding-left:var(--s5);border-left:var(--hair)}
.stat .v{font-size:clamp(48px,6.4vw,92px);font-weight:600;line-height:.95;letter-spacing:-.045em;color:var(--text);white-space:nowrap}
.stat .v small{font-size:.38em;font-weight:500;letter-spacing:-.01em;color:var(--muted);margin-left:.12em}
.stat.is-key .v{color:var(--accent)}
.stat .l{font-size:var(--fs-small);line-height:1.45;color:var(--muted);margin-top:var(--s4);max-width:30ch}
.stat .src{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);margin-top:var(--s3)}
/* single inline stat inside the text column */
.stat-inline{margin:var(--s7) 0;padding-left:var(--s5);border-left:1px solid var(--accent)}
.stat-inline .v{font-size:clamp(44px,5vw,72px);font-weight:600;letter-spacing:-.045em;line-height:1}
.stat-inline .l{font-size:var(--fs-small);color:var(--muted);margin-top:var(--s3);max-width:44ch}
@media (max-width:640px){
  .stat-row{grid-template-columns:1fr}
  .stat,.stat + .stat{padding:var(--s5) 0;border-left:0}
  .stat + .stat{border-top:var(--hair)}
  .stat .v{font-size:56px}
}

/* ---------- 11. Figure frame ----------
   <div class="fig" id="fig-04">
     <header class="fig-head"><span class="fig-num">FIG. 04</span><h3 class="fig-title">..</h3><p class="fig-dek">..</p></header>
     <figure class="gv" data-visual=".." data-src="data/...json" data-pin="false" aria-label=".."></figure>
     <footer class="fig-foot"><p class="fig-note">..</p><p class="fig-source">Source: ..</p></footer>
   </div> */
.fig{position:relative;margin:var(--s9) 0}
.fig-head{display:grid;grid-template-columns:minmax(0,1fr) auto;column-gap:var(--s6);align-items:end;padding-bottom:var(--s4);border-bottom:var(--hair)}
.fig-num{grid-column:1 / -1;font-family:var(--font-mono);font-size:var(--fs-mono-s);letter-spacing:.2em;text-transform:uppercase;color:var(--accent);margin-bottom:var(--s3);font-variant-numeric:tabular-nums}
.fig-title{font-size:var(--fs-h3);font-weight:650;letter-spacing:-.015em;line-height:1.25;margin:0;max-width:44ch;text-wrap:balance}
.fig-dek{grid-column:1;font-size:var(--fs-small);line-height:1.5;color:var(--muted);margin:var(--s2) 0 0;max-width:62ch}
.fig-key{grid-column:2;grid-row:2 / span 2;text-align:right;align-self:end}
.fig-key .v{font-size:clamp(36px,4.2vw,60px);font-weight:600;letter-spacing:-.04em;line-height:.95;color:var(--accent);white-space:nowrap}
.fig-key .l{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);margin-top:var(--s2)}
.gv{position:relative;margin:0;min-height:var(--gv-h,420px);width:100%;padding:var(--s5) 0}
.gv[data-state="loading"]::after{content:'';position:absolute;left:0;right:0;top:50%;height:1px;background:linear-gradient(90deg,transparent,var(--line-2),transparent);
  animation:gvload 1.6s var(--ease-inout) infinite}
@keyframes gvload{0%{transform:scaleX(.1);opacity:.2}50%{transform:scaleX(1);opacity:.8}100%{transform:scaleX(.1);opacity:.2}}
.gv[data-state="error"]::after{content:'Figure unavailable';position:absolute;inset:0;display:grid;place-items:center;font-family:var(--font-mono);font-size:var(--fs-mono-s);letter-spacing:.14em;text-transform:uppercase;color:var(--faint)}
.fig-foot,.fig > figcaption,figure.gv + figcaption{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:var(--s3) var(--s6);padding-top:var(--s4);padding-bottom:var(--s7);border-top:var(--hair)}
.fig-note{grid-column:1 / -1;font-size:15px;line-height:1.6;color:var(--muted);margin:0;max-width:72ch}
.fig-source{grid-column:1;font-family:var(--font-mono);font-size:12.5px;line-height:1.7;letter-spacing:.02em;color:var(--faint);margin:0}
.fig-source::before{content:'SOURCE';letter-spacing:.16em;margin-right:10px;color:var(--muted)}
.fig-data{grid-column:2;grid-row:2}
.fig-data summary{list-style:none;cursor:pointer;font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--faint)}
.fig-data summary::-webkit-details-marker{display:none}
.fig-data summary:hover{color:var(--text)}
.fig-data[open]{grid-column:1 / -1;grid-row:auto}
.fig-data table{width:100%;margin-top:var(--s3);border-collapse:collapse;font-size:var(--fs-micro);font-variant-numeric:tabular-nums}
.fig-data th,.fig-data td{text-align:left;padding:6px 12px 6px 0;border-bottom:1px solid var(--line-soft)}
.fig-data th{font-family:var(--font-mono);font-weight:500;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint)}
.fig-data td.n{text-align:right;font-family:var(--font-mono)}
.fig--bleed{grid-column:full!important}
.fig--bleed .fig-head,.fig--bleed .fig-foot{max-width:var(--wide);margin-inline:auto;padding-inline:var(--gutter)}
@media (max-width:640px){
  .fig{margin:var(--s8) 0}
  .fig-head{grid-template-columns:1fr}
  .fig-key{grid-column:1;grid-row:auto;text-align:left;margin-top:var(--s4)}
  .fig-foot,.fig > figcaption{grid-template-columns:1fr}
  .fig-data{grid-column:1;grid-row:auto}
}

/* pinned figures: core.js wraps the .fig in .pin-track and sets --pin-len and --pin-top */
.pin-track{position:relative;height:calc(var(--pin-len,1.5) * 100vh + var(--pin-h,100vh))}
.pin-track > .fig{position:sticky;top:var(--pin-top,calc(var(--nav-h) + 24px));margin:0}
.pin-track + *{margin-top:var(--s7)}
.pin-step{font-family:var(--font-mono);font-size:var(--fs-mono-s);letter-spacing:.14em;text-transform:uppercase;color:var(--faint);font-variant-numeric:tabular-nums}

/* ---------- 12. Reveal system ----------
   [data-reveal] fades up once; [data-reveal="rule"] draws a hairline;
   [data-reveal-stagger] staggers its children via --i (set by core.js). */
.js [data-reveal]{opacity:0;transform:translate3d(0,18px,0);transition:opacity var(--dur-reveal) var(--ease-expo),transform var(--dur-reveal) var(--ease-expo);
  transition-delay:calc(var(--i,0) * var(--stagger))}
.js [data-reveal="fade"]{transform:none}
.js [data-reveal].is-in{opacity:1;transform:none}
.js [data-reveal-stagger] > *{opacity:0;transform:translate3d(0,14px,0);transition:opacity var(--dur-reveal) var(--ease-expo),transform var(--dur-reveal) var(--ease-expo);
  transition-delay:calc(var(--i,0) * var(--stagger))}
.js [data-reveal-stagger].is-in > *{opacity:1;transform:none}
.js .chapter-open::before,.js .chapter-open::after{transform:scaleX(0);transition:transform 1400ms var(--ease-expo)}
.js .chapter-open::after{transition-delay:200ms}
.js .chapter-open.is-in::before,.js .chapter-open.is-in::after{transform:scaleX(1)}
.js .chapter-open .ch-num{opacity:0;transform:translate3d(0,24px,0);transition:opacity 1100ms var(--ease-expo),transform 1100ms var(--ease-expo)}
.js .chapter-open .ch-head > *{opacity:0;transform:translate3d(0,14px,0);transition:opacity 900ms var(--ease-expo),transform 900ms var(--ease-expo)}
.js .chapter-open .ch-head > :nth-child(2){transition-delay:120ms}
.js .chapter-open .ch-head > :nth-child(3){transition-delay:220ms}
.js .chapter-open .ch-dek{opacity:0;transition:opacity 900ms var(--ease-expo) 320ms}
.js .chapter-open.is-in .ch-num,.js .chapter-open.is-in .ch-head > *,.js .chapter-open.is-in .ch-dek{opacity:1;transform:none}

/* ---------- 13. Read-more drawer ---------- */
.drawer-scrim{position:fixed;inset:0;z-index:80;background:var(--scrim);backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px);
  opacity:0;pointer-events:none;transition:opacity var(--dur-reveal) var(--ease-expo)}
.drawer{position:fixed;z-index:81;top:0;right:0;bottom:0;width:min(560px,100vw);background:var(--surface);border-left:var(--hair);
  display:flex;flex-direction:column;transform:translate3d(100%,0,0);visibility:hidden;
  transition:transform 640ms var(--ease-expo),visibility 0s linear 640ms;outline:none}
.drawer.is-open{transform:none;visibility:visible;transition:transform 640ms var(--ease-expo),visibility 0s}
.drawer.is-open ~ .drawer-scrim,.drawer-scrim.is-open{opacity:1;pointer-events:auto}
.drawer-bar{display:flex;align-items:center;justify-content:space-between;gap:var(--s4);height:var(--nav-h);padding:0 var(--s6);border-bottom:var(--hair);flex:none}
.drawer-bar .kicker{font-size:var(--fs-mono-s)}
.drawer-close{appearance:none;background:none;border:var(--hair);border-radius:6px;padding:7px 12px;cursor:pointer;font-family:var(--font-mono);font-size:10.5px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--muted);transition:color var(--dur-fast),border-color var(--dur-fast)}
.drawer-close:hover{color:var(--text);border-color:var(--line-2)}
.drawer-close kbd{font-family:inherit;color:var(--faint);margin-left:8px}
.drawer-body{flex:1;overflow-y:auto;overscroll-behavior:contain;padding:var(--s7) var(--s6) var(--s6)}
.drawer-label{font-size:clamp(24px,2.4vw,30px);font-weight:700;letter-spacing:-.025em;line-height:1.15;margin:0;text-wrap:balance}
.drawer-text{margin:var(--s6) 0 0;padding:0 0 0 var(--s5);border-left:1px solid var(--accent)}
.drawer-text p{margin:0;font-size:clamp(17px,1.4vw,19px);line-height:1.62;color:var(--text);text-wrap:pretty}
.drawer-text p + p{margin-top:var(--s4);color:var(--muted)}
.drawer-source{margin:var(--s7) 0 0;padding-top:var(--s5);border-top:var(--hair);display:flex;flex-wrap:wrap;gap:var(--s2) var(--s4);font-size:var(--fs-micro);line-height:1.55;color:var(--muted)}
.drawer-source .k{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--faint);padding-top:1px}
.drawer-source a{color:var(--muted);text-decoration:underline;text-decoration-color:var(--line-2);text-underline-offset:3px}
.drawer-source a:hover{color:var(--text)}
.drawer-nav{display:flex;justify-content:space-between;gap:var(--s4);padding:var(--s4) var(--s6);border-top:var(--hair);flex:none}
.drawer-nav button{appearance:none;background:none;border:0;padding:6px 0;cursor:pointer;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--faint)}
.drawer-nav button:hover:not(:disabled){color:var(--text)}
.drawer-nav button:disabled{opacity:.35;cursor:default}
.drawer .stagger > *{opacity:0;transform:translate3d(0,10px,0);transition:opacity 700ms var(--ease-expo),transform 700ms var(--ease-expo)}
.drawer.is-open .stagger > *{opacity:1;transform:none}
.drawer.is-open .stagger > :nth-child(2){transition-delay:90ms}
.drawer.is-open .stagger > :nth-child(3){transition-delay:180ms}
.drawer.is-open .stagger > :nth-child(4){transition-delay:260ms}
.drawer.is-open .stagger.is-swap > *{opacity:0;transform:translate3d(0,10px,0);transition:none}
body.drawer-lock{overflow:hidden}
@media (max-width:640px){
  .drawer{top:auto;left:0;width:100%;max-height:86svh;border-left:0;border-top:var(--hair);border-radius:var(--radius) var(--radius) 0 0;transform:translate3d(0,100%,0)}
  .drawer-bar{padding:0 var(--s4)}
  .drawer-body{padding:var(--s6) var(--s4) var(--s5)}
  .drawer-nav{padding:var(--s3) var(--s4)}
}

/* ---------- 14. Footer and colophon ---------- */
.end{margin-top:var(--s11);border-top:var(--hair);position:relative;z-index:1}
.end-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--s6);max-width:var(--maxw);margin:0 auto;padding:var(--s8) var(--pad) var(--s7)}
.end-col{grid-column:span 4;min-width:0}
.end-col--wide{grid-column:span 8}
.end h4{font-family:var(--font-mono);font-weight:500;font-size:var(--fs-mono-s);letter-spacing:.18em;text-transform:uppercase;color:var(--faint);margin:0 0 var(--s4)}
.end p,.end li{font-size:var(--fs-micro);line-height:1.6;color:var(--muted)}
.end ol{margin:0;padding-left:1.4em}
.end ol li::marker{font-family:var(--font-mono);color:var(--faint)}
.end a{color:var(--text);border-bottom:1px solid var(--line-2)}
.end a:hover{border-color:var(--accent)}
.end-base{display:flex;flex-wrap:wrap;gap:var(--s4);align-items:center;justify-content:space-between;max-width:var(--maxw);margin:0 auto;padding:var(--s5) var(--pad) var(--s7);border-top:var(--hair)}
.end-base .meta{color:var(--faint)}
@media (max-width:880px){.end-col,.end-col--wide{grid-column:1 / -1}}

/* ---------- 15. Small screens ---------- */
@media (max-width:640px){
  .hero{padding-top:var(--s7)}
  .hero h1{letter-spacing:-.035em}
  .hero-stage{min-height:min(70vh,520px);margin-top:var(--s6)}
  .pull{margin:var(--s8) 0}
}

/* ---------- 16. Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;transition-delay:0s!important}
  .js [data-reveal],.js [data-reveal-stagger] > *,.js .chapter-open .ch-num,.js .chapter-open .ch-head > *,.js .chapter-open .ch-dek{opacity:1!important;transform:none!important}
  .js .chapter-open::before,.js .chapter-open::after{transform:none!important}
  .hero-scroll::after{animation:none}
  .pin-track{height:auto!important}
  .pin-track > .fig{position:relative;top:auto}
}
.reduced .pin-track{height:auto!important}
.reduced .pin-track > .fig{position:relative;top:auto}

/* ---------- 17. Print ---------- */
@media print{
  body{background:#fff;color:#000}
  .topbar,.progress,.chnav,.drawer,.drawer-scrim,.hero-scroll{display:none!important}
  .js [data-reveal],.js [data-reveal-stagger] > *{opacity:1;transform:none}
}

/* ---------- B1 additions ----------
   Figure heights per visual (plain px so modules can parse --gv-h),
   hero stage, excerpt row descriptor, three questions, closing, methods. */
.gv[data-visual="globe"]{--gv-h:640px}
.gv[data-visual="gate-400"]{--gv-h:440px}
.gv[data-visual="cuas-ceilings"]{--gv-h:460px}
.gv[data-visual="sam-asking"]{--gv-h:380px}
.gv[data-visual="order-gap"]{--gv-h:360px}
.gv[data-visual="chokepoints"]{--gv-h:300px}
.gv[data-visual="flank-map"]{--gv-h:520px}
.gv[data-visual="atlantic-routes"]{--gv-h:480px}
.gv[data-visual="capital"]{--gv-h:440px}
.gv[data-visual="year-end"]{--gv-h:380px}
.gv[data-visual="trust-gates"]{--gv-h:520px}
.gv[data-visual="money-map"]{--gv-h:540px}
.gv[data-visual="october"]{--gv-h:300px}
@media (max-width:640px){
  .gv[data-visual="globe"]{--gv-h:420px}
  .gv[data-visual="gate-400"],.gv[data-visual="capital"],.gv[data-visual="cuas-ceilings"]{--gv-h:420px}
  .gv[data-visual="flank-map"]{--gv-h:720px}
  .gv[data-visual="atlantic-routes"]{--gv-h:400px;min-height:0}
  .gv[data-visual="trust-gates"]{--gv-h:560px}
  .gv[data-visual="money-map"]{--gv-h:520px}
  .gv[data-visual="october"]{--gv-h:520px}
  .gv[data-visual="chokepoints"]{--gv-h:280px}
}

/* hero: the globe figure lives in the stage; the stage glow stays behind it */
.hero-stage{min-height:0;margin-top:var(--s8)}
.hero-stage > .fig,.hero-stage > .pin-track > .fig{margin:0}
.hero-stage .fig--bleed .fig-head,.hero-stage .fig--bleed .fig-foot{max-width:none;padding-inline:0}
.hero-stage::before{inset:14% 10% 18%}
.hero .meta{display:flex;flex-wrap:wrap;row-gap:6px}
.story > .hero + *{margin-top:var(--s9)}

/* excerpt row: label plus the descriptor on a second line */
.xp-row:focus-visible{outline-offset:6px}

/* the three questions in chapter 9 */
.three-q{list-style:none;margin:var(--s6) 0 var(--s7);padding:0;border-top:var(--hair)}
.three-q li{display:grid;grid-template-columns:3.2em 1fr;align-items:baseline;gap:var(--s4);padding:var(--s5) 0;border-bottom:var(--hair);margin:0}
.three-q .q-n{font-family:var(--font-mono);font-size:var(--fs-mono);letter-spacing:.14em;color:var(--accent);font-variant-numeric:tabular-nums}
.three-q .q-t{font-size:clamp(22px,2.3vw,30px);font-weight:600;letter-spacing:-.022em;line-height:1.2;color:var(--text);text-wrap:balance}

/* closing */
.closing{grid-column:wide;margin-top:var(--s11);padding-top:var(--s6);border-top:var(--hair);position:relative}
.closing::before{content:'';position:absolute;left:0;top:-1px;width:72px;height:1px;background:var(--accent)}
.closing-line{font-size:var(--fs-h2);font-weight:600;letter-spacing:-.022em;line-height:1.25;margin:var(--s5) 0 0;max-width:34ch;text-wrap:balance}
.closing-sub{margin:var(--s5) 0 0;font-size:var(--fs-small);color:var(--muted);max-width:var(--measure)}
.closing-sub a{color:var(--text);margin-left:.4em;background-image:linear-gradient(var(--accent-line),var(--accent-line));background-size:100% 1px;background-position:0 100%;background-repeat:no-repeat;padding-bottom:1px}
.closing-sub a:hover{color:var(--accent)}

/* methods and sources appendix */
.methods{grid-column:wide;margin-top:var(--s9);border-top:var(--hair);border-bottom:var(--hair)}
.methods > summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:var(--s5);padding:var(--s5) 0}
.methods > summary::-webkit-details-marker{display:none}
.methods .ms-t{font-size:var(--fs-h3);font-weight:650;letter-spacing:-.015em}
.methods .ms-go{font-family:var(--font-mono);font-size:var(--fs-mono-s);letter-spacing:.14em;text-transform:uppercase;color:var(--faint);transition:color var(--dur-fast)}
.methods > summary:hover .ms-go{color:var(--text)}
.ms-body{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--s7) var(--s7);padding:var(--s5) 0 var(--s8)}
.ms-method{grid-column:1 / -1;max-width:var(--measure)}
.ms-body h4{font-family:var(--font-mono);font-weight:500;font-size:var(--fs-mono-s);letter-spacing:.18em;text-transform:uppercase;color:var(--faint);margin:0 0 var(--s4);padding-bottom:var(--s3);border-bottom:1px solid var(--line-soft)}
.ms-method p{font-size:var(--fs-small);line-height:1.6;color:var(--muted);margin:0 0 1em}
.ms-group ol{margin:0;padding:0;list-style:none;counter-reset:ms}
.ms-group li{counter-increment:ms;display:grid;grid-template-columns:2.2em 1fr;font-size:var(--fs-micro);line-height:1.55;padding:6px 0;border-bottom:1px solid var(--line-soft);color:var(--muted)}
.ms-group li::before{content:counter(ms,decimal-leading-zero);font-family:var(--font-mono);font-size:10.5px;color:var(--faint);padding-top:2px}
.ms-group li > *{grid-column:2}
.ms-c{color:var(--text)}
.ms-s{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.03em;color:var(--faint)}
.ms-s a{color:var(--muted);border-bottom:1px solid var(--line-2)}
.ms-s a:hover{color:var(--accent);border-color:var(--accent)}
.ms-group--events{grid-column:1 / -1}
.ms-group--events ol{columns:2;column-gap:var(--s7)}
.ms-group--events li{break-inside:avoid}
.ms-d{font-family:var(--font-mono);font-size:10.5px;color:var(--faint);font-variant-numeric:tabular-nums;margin-right:.5em}
.end-base a.meta{border:0}
.end-base a.meta:hover{color:var(--accent)}
@media (max-width:760px){
  .ms-body{grid-template-columns:1fr}
  .ms-group--events ol{columns:1}
  .methods > summary{grid-template-columns:1fr auto}
  .methods > summary .kicker{grid-column:1 / -1}
}

.end-note{max-width:var(--maxw);margin:0 auto;padding:var(--s6) var(--pad) 0}

/* ---------- Company marks (R3) ----------
   First mention of a named public company per chapter: its logo, inline SVG in
   currentColor, then the name. No box, no background. A wordmark that spells the
   name (co--mark) carries the name as screen-reader text instead. */
.co{color:inherit}
.co-k{white-space:nowrap}
.co-m{display:inline-block;height:1.05em;width:auto;vertical-align:-.2em;margin-right:.32em;color:var(--muted);fill:currentColor;overflow:hidden;flex:none}
.co--mark .co-m{margin-right:0}
.co-m--anduril{height:1.08em;vertical-align:-.19em}
.co-m--kratos{height:.93em;vertical-align:-.04em}
.co-m--covenant{height:.8em;vertical-align:-.03em}
.co-m--tekever{height:.74em;width:calc(.74em * 550 / 58);vertical-align:0;background:currentColor;
  -webkit-mask:url(../data/logos/tekever.png) center / contain no-repeat;mask:url(../data/logos/tekever.png) center / contain no-repeat}
.fig-cos{grid-column:1 / -1;display:flex;flex-wrap:wrap;align-items:center;gap:8px 22px;list-style:none;margin:0 0 var(--s1);padding:0;font-size:14px;line-height:1.4;color:var(--muted)}
.fig-cos li{display:inline-flex;align-items:center;min-width:0}
.ms-disclaim{grid-column:1 / -1;max-width:var(--measure);margin:0;font-size:var(--fs-small);line-height:1.6;color:var(--muted)}