/* BJ Research · hub stylesheet (brycejurss.com/research)
   Brand: BRAND/BJ-Research.md. Warm paper, ink, ONE deep-blue accent, green/red for data
   direction only, Source Serif 4 + DM Sans small caps + JetBrains Mono numerals, 2-4px
   corners, depth from hairlines not shadows. Type is a 1.2 fluid scale with a rem term so
   browser zoom still works. */

/* fonts: /assets/bj/fonts.css (shared with the paper and every note) */

/* ---------- tokens ---------- */
:root{
  --bg:#fbfaf8;--paper:#f4f1ea;--card:#ffffff;--ink:#0d1017;--text:#12151c;--body:#2f343c;--sec:#5f6670;--muted:#656c76;
  --accent:#1e40af;--acl:#5b8def;--accent-soft:rgba(30,64,175,.08);--accent-line:rgba(30,64,175,.28);
  --hero:#0b0d12;--hero-2:#10141d;--green:#047857;--red:#b91c1c;--border:#e6e2d9;--hard:#d9d4c8;
  --serif:'Source Serif 4','Serif Fallback',Georgia,serif;--sans:'DM Sans',system-ui,-apple-system,sans-serif;--mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  /* 1.2 fluid scale, 360px -> 1280px */
  --t--3:clamp(.62rem,.6rem + .12vw,.7rem);--t--2:clamp(.72rem,.70rem + .10vw,.78rem);--t--1:clamp(.84rem,.80rem + .20vw,.95rem);--t-0:clamp(1.05rem,1rem + .30vw,1.2rem);
  --t-1:clamp(1.22rem,1.1rem + .55vw,1.5rem);--t-2:clamp(1.45rem,1.25rem + .95vw,2rem);--t-3:clamp(1.8rem,1.4rem + 1.8vw,2.8rem);
  --t-4:clamp(2.4rem,1.6rem + 3.6vw,4.4rem);--t-5:clamp(2.9rem,1.8rem + 5.4vw,5.8rem);
  --wrap:1180px;--measure:68ch;--gutter:clamp(1rem,4vw,2rem);
  color-scheme:light;
}
*{margin:0;padding:0;box-sizing:border-box}
html{font-size:100%;scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:4.2rem}
body{font-family:var(--serif);font-optical-sizing:auto;color:var(--body);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;font-size:var(--t-0)}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{text-wrap:balance;font-weight:700;color:var(--ink);letter-spacing:-.01em;line-height:1.15}
p{text-wrap:pretty}
img{max-width:100%;display:block}
[hidden]{display:none!important}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:.6rem 1rem;z-index:3000;font-family:var(--sans);font-size:.85rem}
.skip:focus{left:1rem;top:1rem}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.kick,.s-label,.tag,.pill,.lay,.lbl,.chip,.lib-tag,.tl-kick,.wire-meta,.src,.footer-links,.nav{font-family:var(--sans)}
.up{color:var(--green)}.down{color:var(--red)}

/* reveal (JS adds .in; without JS everything is visible) */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in{opacity:1;transform:none}

/* ---------- progress + nav ---------- */
.progress{position:fixed;top:0;left:0;height:2px;width:0;background:var(--accent);z-index:2000}
@supports (animation-timeline:scroll()){.progress{width:100%;transform-origin:0 50%;transform:scaleX(0);animation:prog linear both;animation-timeline:scroll(root)}@keyframes prog{to{transform:scaleX(1)}}}
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:.75rem var(--gutter);font-size:.74rem;letter-spacing:.04em;background:rgba(251,250,248,.86);backdrop-filter:blur(16px) saturate(1.2);-webkit-backdrop-filter:blur(16px) saturate(1.2);border-bottom:1px solid transparent;display:flex;justify-content:space-between;align-items:center;gap:1rem;transition:border-color .3s,background .3s}
.nav.scrolled{border-bottom-color:var(--hard)}
.nav.on-dark:not(.scrolled){background:rgba(11,13,18,.5);color:#dfe4ec}
.nav .brand{font-weight:700;color:var(--ink);letter-spacing:.18em;text-transform:uppercase;font-size:.74rem;white-space:nowrap}
.nav.on-dark:not(.scrolled) .brand{color:#fff}
.nav .brand b{color:var(--accent)}.nav.on-dark:not(.scrolled) .brand b{color:var(--acl)}
.nav-links{display:flex;gap:1.35rem;align-items:center}
.nav-links a.lnk{color:var(--sec);font-weight:500;position:relative;padding:.2rem 0}
.nav.on-dark:not(.scrolled) .nav-links a.lnk{color:#aab2c0}
.nav-links a.lnk::after{content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:var(--accent);transition:width .25s}
.nav-links a.lnk:hover,.nav-links a.lnk[aria-current]{color:var(--ink)}.nav.on-dark:not(.scrolled) .nav-links a.lnk:hover{color:#fff}
.nav-links a.lnk:hover::after,.nav-links a.lnk[aria-current]::after{width:100%}
.nav-links a.ext{color:var(--accent);font-weight:600;white-space:nowrap}.nav.on-dark:not(.scrolled) .nav-links a.ext{color:var(--acl)}
.nav-toggle{display:none;font-family:var(--sans);font-size:.72rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--sec);border:1px solid var(--hard);padding:.4rem .7rem;border-radius:2px;margin-left:auto;margin-right:.9rem}
.nav.on-dark:not(.scrolled):not(.open) .nav-toggle{color:#c6cdd9;border-color:rgba(255,255,255,.25)}
@media(max-width:760px){
  .nav-toggle{display:inline-flex}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--bg);border-bottom:1px solid var(--hard);padding:.4rem var(--gutter) .8rem}
  .nav.open,.nav.open.on-dark:not(.scrolled){background:var(--bg);border-bottom-color:var(--hard);color:var(--ink)}
  .nav.open .brand,.nav.open.on-dark:not(.scrolled) .brand{color:var(--ink)}.nav.open .brand b,.nav.open.on-dark:not(.scrolled) .brand b{color:var(--accent)}
  .nav.open .nav-toggle{color:var(--ink);border-color:var(--ink)}
  .nav.open .nav-links{display:flex}
  .nav-links a.lnk,.nav.open.on-dark:not(.scrolled) .nav-links a.lnk{display:block;padding:.65rem 0;font-size:.9rem;letter-spacing:.06em;border-bottom:1px solid var(--border);color:var(--ink)}
  .nav.open.on-dark:not(.scrolled) .nav-links a.ext{color:var(--accent)}
  .nav-links a.lnk::after{display:none}
  .nav-links a.ext{padding:.75rem 0 .2rem;color:var(--accent)}
}

/* ---------- hero (masthead) ---------- */
.hero{background:radial-gradient(ellipse 85% 70% at 50% 28%,#16295f 0%,#0b1538 42%,#06091a 100%);color:#fff;min-height:min(92vh,860px);display:grid;place-items:center;position:relative;overflow:hidden;padding:7rem var(--gutter) 5rem;isolation:isolate}
#heroCanvas{position:absolute;inset:0;width:100%;height:100%;opacity:.7;z-index:0}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 70% 55% at 50% 45%,rgba(30,64,175,.35),transparent 70%);z-index:0;pointer-events:none}
.hero-c{position:relative;z-index:1;text-align:center;max-width:980px;width:100%}
.mast{display:flex;align-items:center;justify-content:center;gap:1.1rem;margin-bottom:2.2rem}
.mast .ln{height:1px;flex:1;max-width:140px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.45))}.mast .ln.r{background:linear-gradient(90deg,rgba(255,255,255,.45),transparent)}
.nameplate{font-family:var(--sans);font-weight:700;letter-spacing:.3em;text-transform:uppercase;font-size:.78rem;color:#e6eaf2}.nameplate b{color:var(--acl)}
.hero-kick{font-family:var(--sans);font-size:var(--t--2);font-weight:600;letter-spacing:.24em;text-transform:uppercase;color:#8e9ab0;margin-bottom:1.6rem}
.hero h1{font-size:var(--t-5);font-weight:900;letter-spacing:-.03em;line-height:.98;color:#fff;margin:0 auto 1.4rem}
.hero h1 .it{font-style:italic;font-weight:600;color:var(--acl)}
.hero-sub{font-size:var(--t-1);color:#aeb6c5;max-width:46ch;margin:0 auto 1.8rem;line-height:1.45;font-style:italic}
.byline{font-family:var(--sans);font-size:var(--t--1);letter-spacing:.05em;text-transform:uppercase;color:#7d8798;display:flex;justify-content:center;gap:1.3rem;flex-wrap:wrap}
.byline b{color:#d7dce6;font-weight:600}
.byline span:not(:last-child)::after{content:"";display:inline-block;width:3px;height:3px;border-radius:50%;background:#4b5566;margin-left:1.3rem;vertical-align:middle}
.disclosure{font-family:var(--sans);font-size:var(--t--2);color:#8e9ab0;max-width:62ch;margin:1.4rem auto 0;line-height:1.5}
.disclosure a{color:#9fb3e6;text-decoration:underline;text-underline-offset:2px}
.hero-counts{display:inline-flex;gap:0;margin-top:2.4rem;border:1px solid rgba(255,255,255,.14);border-radius:3px;font-family:var(--mono);font-size:var(--t--1);color:#c6cdd9}
.hero-counts span{padding:.55rem .95rem;border-right:1px solid rgba(255,255,255,.14)}.hero-counts span:last-child{border-right:0}
.hero-counts b{color:#fff;font-weight:600;margin-right:.35rem}
.hero-scroll{position:absolute;bottom:1.4rem;left:50%;transform:translateX(-50%);font-family:var(--sans);font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:#5c6677;z-index:1}

/* ---------- page heads (section pages) ---------- */
.page-head{padding:6.4rem 0 2.2rem;border-bottom:2px solid var(--ink);background:var(--bg)}
.page-head .s-label{margin-bottom:1rem}
.page-head h1{font-size:var(--t-4);font-weight:900;letter-spacing:-.03em;line-height:1;margin-bottom:.9rem}
.page-head .lede{color:var(--sec);max-width:64ch;font-size:var(--t-0);line-height:1.55}
.page-meta{font-family:var(--sans);font-size:var(--t--2);color:var(--sec);margin-top:1.1rem;letter-spacing:.04em}
.explain{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}
.explain h3{font-size:var(--t-1);margin-bottom:.5rem}
.explain p{color:var(--body);font-size:var(--t--1);line-height:1.6}
.explain-links{margin-top:1.8rem;font-size:var(--t-0);color:var(--body)}
.explain a,.explain-links a{color:var(--accent);text-decoration:underline;text-underline-offset:2px;text-decoration-color:var(--accent-line)}
@media(max-width:800px){.explain{grid-template-columns:1fr}}
a.more-btn{display:inline-block;text-decoration:none}

/* ---------- landing: start row + numbers strip ---------- */
.hero-start{display:flex;gap:.6rem;justify-content:center;flex-wrap:wrap;margin-top:2.2rem}
.hero-start a{font-family:var(--sans);font-size:var(--t--1);font-weight:600;color:#fff;border:1px solid rgba(255,255,255,.28);padding:.7rem 1.2rem;border-radius:2px;transition:border-color .2s,background .2s}
.hero-start a:hover{border-color:#fff;background:rgba(255,255,255,.06)}
.hero-start a:first-child{background:var(--accent);border-color:var(--accent)}
.strip{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--hard);border-radius:3px;background:var(--card);min-height:112px}
.strip-tile{display:flex;flex-direction:column;gap:.4rem;padding:1.1rem 1.3rem;border-right:1px solid var(--border);min-width:0;transition:background .15s}
.strip-tile:last-child{border-right:0}
.strip-tile:hover{background:var(--paper)}
.strip-tile .lay{font-family:var(--sans);font-size:var(--t--2);font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--sec);min-height:2.6em}
.strip-tile .lay .ln{font-family:var(--mono);color:var(--accent);font-weight:500;letter-spacing:0;margin-right:.5rem}
.strip-tile .v{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:var(--t-2);font-weight:500;color:var(--ink);letter-spacing:-.02em;line-height:1}
.strip-tile .d{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:var(--t--1);min-height:1.2em}
.strip-tile .d.up{color:var(--green)}.strip-tile .d.down{color:var(--red)}.strip-tile .d.flat{color:var(--sec)}
@media(max-width:860px){.strip{grid-template-columns:1fr 1fr}.strip-tile:nth-child(2){border-right:0}.strip-tile:nth-child(-n+2){border-bottom:1px solid var(--border)}}
.lib-more a.more-btn{text-decoration:none}

/* ---------- light hero (blue on paper) ---------- */
.hero.light{background:var(--bg);color:var(--ink);min-height:min(84vh,780px);border-bottom:2px solid var(--ink)}
.hero.light::before{background:radial-gradient(ellipse 60% 50% at 50% 40%,rgba(30,64,175,.10),transparent 70%)}
.hero.light #heroCanvas{opacity:.7}
.hero.light .mast .ln{background:linear-gradient(90deg,transparent,var(--hard))}.hero.light .mast .ln.r{background:linear-gradient(90deg,var(--hard),transparent)}
.hero.light .nameplate{color:var(--ink)}.hero.light .nameplate b{color:var(--accent)}
.hero.light .hero-kick{color:var(--sec)}
.hero.light h1{color:var(--ink)}
.hero.light h1 .it{color:var(--accent)}
.hero.light .hero-sub{color:var(--body)}
.hero.light .byline{color:var(--sec)}.hero.light .byline b{color:var(--ink)}.hero.light .byline span:not(:last-child)::after{background:var(--hard)}
.hero.light .disclosure{color:var(--sec)}.hero.light .disclosure a{color:var(--accent)}
.hero.light .hero-start a{color:var(--ink);border-color:var(--ink)}
.hero.light .hero-start a:hover{background:var(--ink);color:#fff}
.hero.light .hero-start a:first-child{background:var(--accent);border-color:var(--accent);color:#fff}
.hero.light .hero-start a:first-child:hover{background:#163390}
.hero.light .hero-scroll{color:var(--muted)}
#today-date{font-family:var(--serif)}
#today-date .wk{color:var(--sec);font-weight:400}
.since{display:block;margin-top:.5rem;font-family:var(--sans);font-size:var(--t--1);color:var(--accent)}

/* ---------- sections ---------- */
.section{padding:clamp(3.2rem,7vw,5.6rem) 0}
.section.alt{background:var(--paper)}
.s-head{display:grid;grid-template-columns:220px 1fr auto;gap:1.6rem;align-items:start;border-top:2px solid var(--ink);padding-top:1.1rem;margin-bottom:2.2rem}
.s-label{font-size:var(--t--2);font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--sec);display:flex;gap:.8rem;align-items:baseline}
.s-label .n{font-family:var(--mono);color:var(--accent);font-size:var(--t--1);font-weight:500;letter-spacing:0}
.s-titles h2{font-size:var(--t-3);letter-spacing:-.02em;line-height:1.05;margin-bottom:.45rem}
.s-titles p{color:var(--sec);max-width:58ch;font-size:var(--t-0)}
.s-aside{font-family:var(--sans);font-size:var(--t--2);color:var(--sec);text-align:right;letter-spacing:.04em;white-space:nowrap}
@media(max-width:860px){.s-head{grid-template-columns:1fr;gap:.6rem}.s-aside{text-align:left;white-space:normal}}
.live-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--green);margin-right:.45rem;vertical-align:middle;box-shadow:0 0 0 3px rgba(4,120,87,.15)}
.live-dot.off{background:var(--muted);box-shadow:none}

/* ---------- 01 by the numbers ---------- */
.numbers{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--hard);border-radius:3px;background:var(--card)}
@media(min-width:981px){.numbers{min-height:560px}}
.num-col.is-off{justify-content:flex-start}
.num-off{font-family:var(--sans);font-size:var(--t--1);color:var(--sec);line-height:1.55;padding-top:.4rem}
.num-col{padding:1.4rem 1.5rem 1.2rem;border-right:1px solid var(--border);display:flex;flex-direction:column;min-width:0}
.num-col:last-child{border-right:0}
.num-col header{display:flex;align-items:baseline;justify-content:space-between;gap:.6rem;margin-bottom:1.1rem;padding-bottom:.7rem;border-bottom:1px solid var(--border)}
.lay{font-size:var(--t--2);font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--accent)}
.lay .ln{font-family:var(--mono);font-weight:500;letter-spacing:0;margin-right:.5rem}
.num-col h3{font-size:var(--t--1);font-family:var(--sans);font-weight:600;color:var(--sec);letter-spacing:.02em}
.num-head{margin-bottom:1rem}
.num-head .lbl{display:block;font-size:var(--t--2);font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--sec);margin-bottom:.3rem}
.num-head .big{display:block;font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:var(--t-3);font-weight:500;color:var(--ink);letter-spacing:-.03em;line-height:1}
.num-head .sub{display:flex;gap:.7rem;align-items:center;margin-top:.45rem;font-family:var(--sans);font-size:var(--t--1);color:var(--sec)}
.chg{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:var(--t--1);font-weight:500}
.chg.up{color:var(--green)}.chg.down{color:var(--red)}.chg.flat{color:var(--sec)}
.num-rows{list-style:none;border-top:1px solid var(--border)}
.num-rows li{display:grid;grid-template-columns:1fr auto auto;gap:.8rem;align-items:center;padding:.5rem 0;border-bottom:1px solid var(--border);font-size:var(--t--1)}
.num-rows li .k{font-family:var(--sans);color:var(--text);font-weight:500;min-width:0;line-height:1.25}
.num-rows li .k small{color:var(--muted);font-weight:400;margin-left:.35rem}
.num-rows li .v{font-family:var(--mono);font-variant-numeric:tabular-nums;color:var(--ink);text-align:right}
.num-rows li .d{font-family:var(--mono);font-variant-numeric:tabular-nums;text-align:right;min-width:5.2em;color:var(--sec)}
.num-rows li .d.up{color:var(--green)}.num-rows li .d.down{color:var(--red)}
.num-rows .spark{display:inline-block;vertical-align:middle;margin-left:.5rem}.spark{color:var(--sec)}
.num-col .src{margin-top:auto;padding-top:.9rem;font-size:var(--t--2);color:var(--muted);letter-spacing:.02em}
.num-col .src a{color:var(--sec);text-decoration:underline;text-underline-offset:2px;text-decoration-color:var(--hard)}
.num-col .src .stale{color:var(--red)}
.context{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));border:1px solid var(--hard);border-top:0;border-radius:0 0 3px 3px;background:var(--paper)}
.ctx{padding:.85rem 1.5rem;border-right:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:.8rem;font-size:var(--t--1);min-width:0;flex-wrap:wrap}
.ctx:last-child{border-right:0}
.ctx .k{font-family:var(--sans);font-weight:600;letter-spacing:.1em;text-transform:uppercase;font-size:var(--t--2);color:var(--sec)}
.ctx .v{font-family:var(--mono);font-variant-numeric:tabular-nums;color:var(--ink)}
.ctx .d{font-family:var(--mono);font-size:var(--t--2)}
.numbers-note{font-family:var(--sans);font-size:var(--t--2);color:var(--muted);margin-top:.9rem;line-height:1.5}
.numbers-off{border:1px solid var(--hard);border-radius:3px;padding:1.4rem 1.5rem;font-family:var(--sans);font-size:var(--t--1);color:var(--sec);background:var(--card)}
@media(max-width:980px){.numbers{grid-template-columns:1fr}.num-col{border-right:0;border-bottom:1px solid var(--border)}.num-col:last-child{border-bottom:0}.context{grid-template-columns:repeat(2,1fr)}.ctx:nth-child(2){border-right:0}.ctx:nth-child(-n+2){border-bottom:1px solid var(--border)}}
@media(max-width:600px){.ctx{padding:.7rem .8rem;gap:.2rem .6rem}.ctx .k{flex-basis:100%}.ctx .d{margin-left:auto}}

/* ---------- 02 featured paper ---------- */
.feature{display:grid;grid-template-columns:1.25fr .75fr;background:var(--hero);color:#fff;border-radius:3px;overflow:hidden;position:relative;isolation:isolate}
.feature::after{content:"";position:absolute;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,#13275e,transparent 68%);top:-220px;right:-160px;filter:blur(100px);opacity:.55;pointer-events:none;z-index:0}
.feature-l{padding:clamp(1.8rem,4vw,3.2rem);position:relative;z-index:1}
.feature-tag{display:flex;gap:.9rem;align-items:center;flex-wrap:wrap;font-family:var(--sans);font-size:var(--t--2);letter-spacing:.14em;text-transform:uppercase;color:#8e9ab0;margin-bottom:1.5rem}
.pill{display:inline-block;background:var(--accent);color:#fff;padding:.3rem .65rem;border-radius:2px;font-weight:700;letter-spacing:.14em;font-size:var(--t--2)}
.feature h3{font-size:var(--t-4);font-weight:900;letter-spacing:-.03em;line-height:1;color:#fff;margin-bottom:.6rem}
.feature .sub{font-style:italic;font-size:var(--t-1);color:var(--acl);margin-bottom:1.3rem}
.feature .dek{color:#b9c0cd;max-width:60ch;font-size:var(--t-0);line-height:1.6;margin-bottom:1.6rem}
.feature-cta{display:inline-flex;gap:.5rem;align-items:center;font-family:var(--sans);font-size:var(--t--1);font-weight:600;color:#fff;border:1px solid rgba(255,255,255,.3);padding:.7rem 1.2rem;border-radius:2px;transition:border-color .2s,background .2s}
.feature-cta:hover{border-color:#fff;background:rgba(255,255,255,.06)}
.feature-r{position:relative;z-index:1;border-left:1px solid rgba(255,255,255,.1);padding:clamp(1.6rem,3vw,2.4rem);display:flex;flex-direction:column;gap:1.4rem;background:rgba(255,255,255,.02)}
.feature-r .stat .n{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:var(--t-3);font-weight:500;color:#fff;letter-spacing:-.03em;line-height:1}
.feature-r .stat .l{font-family:var(--sans);font-size:var(--t--2);letter-spacing:.06em;color:#8e9ab0;margin-top:.35rem;line-height:1.45}
.feature-r .stat .l a{color:#9fb3e6;text-decoration:underline;text-underline-offset:2px}
.feature-toc{border-top:1px solid rgba(255,255,255,.1);padding-top:1.2rem}
.feature-toc .lbl{font-family:var(--sans);font-size:var(--t--2);letter-spacing:.18em;text-transform:uppercase;color:#8e9ab0;margin-bottom:.7rem;display:block}
.feature-toc ol{list-style:none;columns:1;font-size:var(--t--1);line-height:1.55}
.feature-toc li a{display:flex;gap:.7rem;color:#c9d0dc;padding:.18rem 0}
.feature-toc li a:hover{color:#fff}
.feature-toc li .n{font-family:var(--mono);color:var(--acl);font-size:var(--t--2);min-width:1.6em;padding-top:.15em}
@media(max-width:900px){.feature{grid-template-columns:1fr}.feature-r{border-left:0;border-top:1px solid rgba(255,255,255,.1)}}

/* ---------- pull quote ---------- */
.quote{padding:clamp(2.6rem,6vw,4.4rem) 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);text-align:center}
.quote blockquote{font-size:var(--t-3);font-weight:600;letter-spacing:-.02em;line-height:1.15;color:var(--ink);max-width:28ch;margin:0 auto .9rem;font-style:italic}
.quote .mk{color:var(--accent);font-style:normal}
.quote .qby{font-family:var(--sans);font-size:var(--t--2);letter-spacing:.2em;text-transform:uppercase;color:var(--sec)}

/* ---------- chips (shared controls) ---------- */
.chips{display:flex;gap:.45rem;flex-wrap:wrap;align-items:center}
.chip{font-size:var(--t--2);font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--sec);border:1px solid var(--hard);background:var(--card);padding:.42rem .7rem;border-radius:2px;transition:color .15s,border-color .15s,background .15s;line-height:1}
.chip:hover{color:var(--ink);border-color:var(--ink)}
.chip[aria-pressed="true"]{color:#fff;background:var(--ink);border-color:var(--ink)}
.chip .c{font-family:var(--mono);font-weight:500;color:var(--muted);margin-left:.35rem;letter-spacing:0}
.chip[aria-pressed="true"] .c{color:#aeb6c5}
.controls{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;margin-bottom:1.6rem}
.controls .meta{font-family:var(--sans);font-size:var(--t--2);color:var(--sec);letter-spacing:.04em}

/* ---------- buttons ---------- */
.more-btn{font-family:var(--sans);font-size:var(--t--1);font-weight:600;color:var(--ink);border:1px solid var(--ink);padding:.65rem 1.4rem;border-radius:2px;transition:background .15s,color .15s}
.more-btn:hover{background:var(--ink);color:#fff}

/* ---------- 04 the wire ---------- */
.wire-list{list-style:none;border-top:1px solid var(--hard)}
.wire-day{font-family:var(--sans);font-size:var(--t--2);font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--sec);padding:1.3rem 0 .5rem}
.wire-item{display:grid;grid-template-columns:76px 1fr;gap:1rem;padding:.85rem 0;border-bottom:1px solid var(--border);align-items:start}
.wire-time{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:var(--t--2);color:var(--muted);padding-top:.3rem}
.wire-main{min-width:0}
.wire-meta{display:flex;gap:.7rem;align-items:center;flex-wrap:wrap;font-size:var(--t--2);letter-spacing:.1em;text-transform:uppercase;color:var(--sec);font-weight:600;margin-bottom:.25rem}
.wire-meta .primary{color:var(--accent)}
.wire-meta .primary::before{content:"";display:inline-block;width:6px;height:6px;background:var(--accent);margin-right:.4rem;vertical-align:middle;border-radius:1px}
.wire-item h4{font-size:var(--t-0);font-weight:600;line-height:1.35;letter-spacing:0}
.wire-item h4 a{color:var(--ink);text-decoration:underline;text-decoration-color:transparent;text-underline-offset:3px}
.wire-item h4 a:hover{text-decoration-color:var(--accent-line)}
.wire-item h4 a::after{content:" \2197";color:var(--muted);font-family:var(--sans);font-size:.8em}
.wire-tags{display:flex;gap:.4rem;flex-wrap:wrap;margin-top:.45rem}
.lib-tag,.wire-tag{font-family:var(--sans);font-size:var(--t--2);font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);background:var(--accent-soft);padding:.2rem .5rem;border-radius:2px}
.wire-foot{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;padding-top:1.4rem;font-family:var(--sans);font-size:var(--t--2);color:var(--muted);line-height:1.5}
.wire-off{border:1px solid var(--hard);border-radius:3px;padding:1.4rem 1.5rem;font-family:var(--sans);font-size:var(--t--1);color:var(--sec);background:var(--card)}
@media(max-width:600px){.wire-item{grid-template-columns:1fr;gap:.2rem}}

/* ---------- 05 library ---------- */
.lib{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.6fr);gap:clamp(1.6rem,4vw,3.4rem);align-items:start}
.lib-h{font-family:var(--sans);font-size:var(--t--2);font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--sec);border-top:2px solid var(--ink);padding-top:.8rem;margin-bottom:1.2rem;display:flex;justify-content:space-between;align-items:baseline}
.lib-h .c{font-family:var(--mono);color:var(--muted);font-weight:500;letter-spacing:0}
.lib-paper{display:block;background:var(--hero);color:#fff;border-radius:3px;padding:1.6rem 1.6rem 1.5rem;position:relative;overflow:hidden;isolation:isolate}
.lib-paper::after{content:"";position:absolute;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,#13275e,transparent 70%);bottom:-160px;right:-100px;filter:blur(60px);opacity:.6;pointer-events:none;z-index:0}
.lib-paper>*{position:relative;z-index:1}
.lib-paper-kick{display:flex;gap:.8rem;align-items:center;flex-wrap:wrap;font-family:var(--sans);font-size:var(--t--2);letter-spacing:.12em;text-transform:uppercase;color:#8e9ab0;margin-bottom:1rem}
.lib-paper h4{font-size:var(--t-2);color:#fff;letter-spacing:-.02em;line-height:1.1;margin-bottom:.6rem}
.lib-paper p{color:#b9c0cd;font-size:var(--t--1);line-height:1.55;margin-bottom:1.1rem}
.lib-paper-cta{font-family:var(--sans);font-size:var(--t--1);font-weight:600;color:var(--acl)}
.lib-paper-meta{display:flex;gap:1rem;flex-wrap:wrap;font-family:var(--mono);font-size:var(--t--2);color:#8e9ab0;margin-top:1rem;padding-top:.9rem;border-top:1px solid rgba(255,255,255,.1)}
.lib-sticky{position:sticky;top:4.4rem}
.lib-about{margin-top:1.4rem;font-size:var(--t--1);color:var(--sec);line-height:1.6}
.lib-about a{color:var(--accent);text-decoration:underline;text-underline-offset:2px;text-decoration-color:var(--accent-line)}
.lib-tools{display:flex;flex-direction:column;gap:.9rem;margin-bottom:1.2rem}
.lib-search{width:100%;font-family:var(--sans);font-size:var(--t--1);padding:.65rem .9rem;border:1px solid var(--hard);border-radius:2px;background:var(--card);color:var(--ink)}
.lib-search::placeholder{color:var(--muted)}
.lib-notes{list-style:none}
.lib-year{font-family:var(--mono);font-size:var(--t--1);font-weight:600;color:var(--ink);padding:1.2rem 0 .4rem;border-bottom:2px solid var(--ink);margin-bottom:.2rem}
.lib-row{display:grid;grid-template-columns:118px 1fr;gap:1.2rem;padding:1.1rem 0;border-bottom:1px solid var(--border)}
.lib-date{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:var(--t--2);color:var(--sec);display:flex;flex-direction:column;gap:.3rem;padding-top:.3rem}
.lib-date .no{color:var(--ink);font-weight:600}
.lib-main h4{font-size:var(--t-1);line-height:1.25;letter-spacing:-.01em;margin-bottom:.35rem}
.lib-main h4 a{color:var(--ink);text-decoration:underline;text-decoration-color:transparent;text-underline-offset:3px;transition:text-decoration-color .2s}
.lib-main h4 a:hover{text-decoration-color:var(--accent-line)}
.lib-main p{color:var(--body);font-size:var(--t--1);line-height:1.55;max-width:68ch}
.lib-tags{display:flex;gap:.45rem;align-items:center;flex-wrap:wrap;margin-top:.6rem}
.lib-read{margin-left:auto;font-family:var(--sans);font-size:var(--t--2);font-weight:600;color:var(--accent)}
.lib-empty{padding:1.6rem 0;font-family:var(--sans);color:var(--sec);font-size:var(--t--1)}
.lib-more{padding:1.4rem 0;text-align:center}
@media(max-width:900px){.lib{grid-template-columns:1fr}.lib-sticky{position:static}.lib-row{grid-template-columns:1fr;gap:.3rem}.lib-date{flex-direction:row;gap:.9rem}}
/* the raw card grid Roy appends to (shown only without JS) */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.rcard{display:block;background:var(--card);border:1px solid var(--hard);border-radius:3px;padding:1.3rem 1.3rem 1.1rem}
.rcard .rmeta{display:flex;gap:.5rem;font-family:var(--sans);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--sec);margin-bottom:.6rem}
.rcard .tag{color:var(--accent);font-weight:700}
.rcard h3{font-size:1.1rem;margin-bottom:.4rem}.rcard p{font-size:.92rem;color:var(--body)}.rcard .read{display:inline-block;margin-top:.6rem;font-family:var(--sans);font-size:.78rem;font-weight:600;color:var(--accent)}
@media(max-width:860px){.grid{grid-template-columns:1fr}}

/* ---------- 06 about + follow ---------- */
.about{display:grid;grid-template-columns:180px 1fr;gap:2.4rem;align-items:start}
.about img{width:180px;height:180px;object-fit:cover;border-radius:3px;filter:grayscale(.15)}
.about h2,.about h3{font-size:var(--t-2);letter-spacing:-.02em;margin-bottom:.3rem}
.about .role{font-family:var(--sans);font-size:var(--t--1);letter-spacing:.06em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:1rem}
.about p{max-width:var(--measure);margin-bottom:1rem;line-height:1.65}
.about .dc{float:left;font-size:3.6em;line-height:.8;padding:.08em .12em 0 0;color:var(--accent);font-weight:700}
.creds{display:flex;gap:1.6rem;flex-wrap:wrap;font-family:var(--sans);font-size:var(--t--1);color:var(--sec);margin-top:.4rem}
.creds b{color:var(--ink);font-weight:700}
.disclose{margin-top:1.6rem;padding:1.1rem 1.3rem;border-left:2px solid var(--accent);background:var(--card);font-family:var(--sans);font-size:var(--t--1);color:var(--sec);line-height:1.6;max-width:72ch}
.disclose b{color:var(--ink)}
@media(max-width:700px){.about{grid-template-columns:1fr}.about img{width:120px;height:120px}}
.follow{display:grid;grid-template-columns:1fr auto;gap:2rem;align-items:center;border-top:2px solid var(--ink);border-bottom:1px solid var(--border);padding:1.8rem 0;margin-top:3rem}
.follow h3{font-size:var(--t-1);margin-bottom:.3rem}
.follow p{color:var(--sec);font-size:var(--t--1);max-width:52ch}
.follow-links{display:flex;gap:1rem;flex-wrap:wrap;font-family:var(--sans);font-size:var(--t--1);font-weight:600}
.follow-links a{border:1px solid var(--ink);color:var(--ink);padding:.6rem 1.1rem;border-radius:2px;transition:background .15s,color .15s}
.follow-links a:hover{background:var(--ink);color:#fff}
.follow-links a.ghost{border-color:var(--hard);color:var(--sec)}
@media(max-width:700px){.follow{grid-template-columns:1fr}}

/* ---------- footer ---------- */
.footer{padding:2.6rem 0 2.2rem;border-top:2px solid var(--ink);background:var(--paper)}
.footer-top{display:flex;justify-content:space-between;gap:1.5rem;flex-wrap:wrap;align-items:center;margin-bottom:1.4rem}
.fbrand{font-family:var(--sans);font-weight:700;text-transform:uppercase;letter-spacing:.18em;font-size:.76rem;color:var(--ink)}.fbrand b{color:var(--accent)}
.footer-links{display:flex;gap:1.5rem;font-size:var(--t--2);flex-wrap:wrap;letter-spacing:.04em}
.footer-links a{color:var(--sec)}.footer-links a:hover{color:var(--ink)}
.footer .rule{height:1px;background:var(--hard);border:0}
.footer .copy,.footer .data{font-family:var(--sans);font-size:var(--t--2);color:var(--muted);margin-top:1.1rem;line-height:1.6;max-width:90ch}

/* ---------- view transitions, motion, print ---------- */
@view-transition{navigation:auto}
::view-transition-old(root),::view-transition-new(root){animation-duration:.2s}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  html{scroll-behavior:auto}
  #heroCanvas{display:none}
  .js .reveal{opacity:1;transform:none}
  ::view-transition-group(*),::view-transition-old(*),::view-transition-new(*){animation:none!important}
}
html:not(.js) .controls,html:not(.js) .lib-tools,html:not(.js) .chips,html:not(.js) .lib-notes:empty,html:not(.js) .wire-foot:empty{display:none}
@media print{
  .nav,.progress,.hero-scroll,#heroCanvas,.numbers,.context,.numbers-note,#wire,.follow,.chips,.lib-tools,.portal-sec{display:none!important}
  .feature *,.lib-paper *{color:#000!important}.feature::after,.lib-paper::after{display:none}
  .hero,.feature,.lib-paper{background:#fff!important;color:#000!important;min-height:0}
  .hero h1,.feature h3,.lib-paper h4{color:#000!important}
  body{background:#fff;color:#000}
  a[href^="http"]::after{content:" (" attr(href) ")";font-size:.8em;color:#555}
  .lib-row,.wire-item{break-inside:avoid}
  h2,h3,h4{break-after:avoid}
  p{orphans:3;widows:3}
  @page{margin:2cm}
}

/* ---------- 04 the portal: the way into the timeline (the only dark window on the paper pages) ---------- */
.portal-sec{position:relative;background:#05070e}
.portal{display:block;position:relative;overflow:hidden;min-height:clamp(480px,78vh,760px);background:#05070e;color:#c3cad8;isolation:isolate;text-decoration:none;outline-offset:-4px}
.portal-cv{position:absolute;inset:0;width:100%;height:100%;z-index:0}
.portal::after{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(180deg,rgba(5,7,14,.5),transparent 28%,transparent 72%,rgba(5,7,14,.6))}
.portal-c{position:relative;z-index:2;min-height:clamp(480px,78vh,760px);max-width:760px;margin:0 auto;padding:7rem var(--gutter) 4rem;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:.9rem}
.portal-c::before{content:"";position:absolute;left:-10%;right:-10%;top:18%;bottom:8%;z-index:-1;background:radial-gradient(ellipse 50% 55% at 50% 52%,rgba(5,7,14,.78),rgba(5,7,14,.35) 55%,transparent 75%);pointer-events:none}
.portal .s-label{color:#8b95ab;justify-content:center}.portal .s-label .n{color:#5b8def}
.portal h2{font-size:var(--t-4);color:#fff;letter-spacing:-.03em;line-height:1;text-shadow:0 0 50px rgba(91,141,239,.4);margin:.4rem 0 .2rem;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.portal p{font-family:var(--serif);font-size:var(--t-0);color:#c3cad8;max-width:44ch;line-height:1.5}
.portal-cta{display:inline-flex;align-items:center;gap:.55rem;margin-top:.8rem;font-family:var(--sans);font-size:var(--t--1);font-weight:600;color:#fff;border:1px solid #fff;padding:.8rem 1.5rem;border-radius:2px;transition:background .2s,color .2s}
.portal-cta span{transition:transform .3s}
.portal:hover .portal-cta,.portal:focus-visible .portal-cta{background:#fff;color:#05070e}
.portal:hover .portal-cta span{transform:translateX(4px)}
.portal:hover h2{transform:scale(1.02)}
.portal-meta{font-family:var(--mono);font-size:var(--t--2);color:#8b95ab;letter-spacing:.03em;min-height:1.2em}
.portal:focus-visible{outline:2px solid #5b8def}
@media(prefers-reduced-motion:reduce){.portal h2,.portal-cta span{transition:none}.portal:hover h2{transform:none}}


/* ---------- architecture diagram ---------- */
.arch{margin:0;border:1px solid var(--hard);border-radius:3px;background:var(--card);padding:1.2rem 1.2rem .9rem}
.arch-svg{width:100%;height:auto;display:block;font-family:var(--sans)}
.arch-rail{cursor:pointer;outline:none;--c:var(--accent)}
.arch-rail.L2{--c:#5b8def}.arch-rail.L3{--c:var(--ink)}
.arch-line{fill:none;stroke:var(--c);stroke-width:2.5;stroke-linecap:round;transition:opacity .25s,stroke-width .25s}
.arch-line.dashed{stroke-dasharray:8 5}
.arch-glow{fill:none;stroke:var(--c);stroke-width:12;opacity:.08;stroke-linecap:round;transition:opacity .25s}
.arch-k{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;fill:var(--c)}
.arch-n{font-family:var(--serif);font-size:16px;font-weight:700;fill:var(--ink)}
.arch-v{font-family:var(--mono);font-size:12px;fill:var(--sec)}
.arch-dot{fill:var(--c);offset-rotate:0deg}
.arch-rail.L1 .arch-dot{offset-path:path('M180 60 C 470 60, 560 122, 790 122')}
.arch-rail.L2 .arch-dot{offset-path:path('M180 150 L 790 150')}
.arch-rail.L3 .arch-dot{offset-path:path('M180 240 C 470 240, 560 178, 790 178')}
.arch-dot{animation:arch-flow 7s linear infinite}
.arch-dot.d2{animation-delay:-2.3s}.arch-dot.d3{animation-delay:-4.6s}
@keyframes arch-flow{from{offset-distance:0%;opacity:0}8%{opacity:1}92%{opacity:1}to{offset-distance:100%;opacity:0}}
.arch:hover .arch-rail:not(:hover) .arch-line,.arch:hover .arch-rail:not(:hover) .arch-dot,.arch:hover .arch-rail:not(:hover) .arch-n,.arch:hover .arch-rail:not(:hover) .arch-k{opacity:.3}
.arch-rail:hover .arch-glow,.arch-rail:focus-visible .arch-glow{opacity:.22}
.arch-rail:hover .arch-line,.arch-rail:focus-visible .arch-line{stroke-width:3.5}
.arch-reg{stroke:var(--sec);stroke-width:2;stroke-dasharray:3 5;stroke-linecap:round}
.arch-reg-lbl{font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;fill:var(--sec)}
.arch-end-ring{fill:none;stroke:var(--accent);stroke-width:1.5;stroke-dasharray:4 4;opacity:.7;animation:arch-spin 24s linear infinite;transform-origin:834px 150px}
@keyframes arch-spin{to{transform:rotate(360deg)}}
.arch-end-core{fill:var(--hero);stroke:var(--accent);stroke-width:2}
.arch-end-t{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;fill:#fff}
.arch-cap{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-top:.8rem;font-family:var(--sans);font-size:var(--t--2);color:var(--sec);line-height:1.5}
.arch-cap a{color:var(--accent);font-weight:600;white-space:nowrap}
@media(max-width:700px){.arch{padding:.6rem}.arch-n{font-size:20px}.arch-k{font-size:14px}.arch-v{font-size:15px}.arch-reg-lbl{font-size:13px}.arch-end-t{font-size:14px}}
@media(prefers-reduced-motion:reduce){.arch-dot{animation:none;offset-distance:50%;opacity:1}.arch-end-ring{animation:none}}

/* ---------- strip sparklines ---------- */
.strip-tile .sp{display:block;margin-top:.2rem;height:22px}
.strip-tile .sp svg{width:100%;height:22px;display:block;color:var(--sec)}
.strip-tile .sp svg polyline{stroke:var(--accent)}

/* ---------- charts ---------- */
.ch{position:relative;font-family:var(--sans)}
.ch-title{font-family:var(--sans);font-size:var(--t--1);font-weight:600;color:var(--ink);margin-bottom:.5rem}
.ch-svg{width:100%;height:auto;display:block;touch-action:pan-y}
.ch-grid{stroke-width:1}
.ch-ax{font-family:var(--mono);font-size:10px}
.ch-lbl{font-family:var(--mono);font-size:11px;font-weight:600}
.ch-cross{pointer-events:none}
.ch-today{stroke-dasharray:none;opacity:.5}
.ch-tip{position:absolute;top:.4rem;transform:translateX(-50%);background:var(--ink);color:#fff;border-radius:2px;padding:.45rem .65rem;font-size:.72rem;pointer-events:none;z-index:5;min-width:9rem;box-shadow:0 8px 24px rgba(0,0,0,.25)}
.ch-tip-d{font-family:var(--mono);color:#aeb6c5;margin-bottom:.25rem}
.ch-tip-r{display:flex;align-items:center;gap:.5rem;padding:.08rem 0}
.ch-tip-r i{display:inline-block;width:12px;height:0;border-top:2px solid;border-top-color:inherit;background:none}
.ch-tip-r i[style]{height:2px;border:0}
.ch-tip-r b{font-family:var(--mono);font-weight:600;color:#fff}
.ch-tip-r span{color:#aeb6c5}
.ch-legend{display:flex;gap:1.2rem;flex-wrap:wrap;margin-top:.5rem;font-size:var(--t--2);color:var(--sec);letter-spacing:.04em}
.ch-legend span{display:inline-flex;align-items:center;gap:.4rem}
.ch-legend i{display:inline-block;width:18px;height:0;border-top:2px solid var(--ink)}
.ch-legend i.sq{width:10px;height:10px;border:0;border-radius:2px}
.ch-table{margin-top:.6rem;font-size:var(--t--2);color:var(--sec)}
.ch-table summary{cursor:pointer;font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.ch-table table{width:100%;border-collapse:collapse;margin-top:.5rem;font-family:var(--mono);font-variant-numeric:tabular-nums;display:block;max-height:18rem;overflow:auto}
.ch-table th{white-space:nowrap}
.ch-table th,.ch-table td{text-align:right;padding:.25rem .4rem;border-bottom:1px solid var(--border)}
.ch-table th:first-child,.ch-table td:first-child{text-align:left}
.ch-table th{font-family:var(--sans);font-weight:600;color:var(--ink);letter-spacing:.04em}
.ch-note{margin-top:.4rem;color:var(--muted)}
.ch-empty{font-family:var(--sans);font-size:var(--t--1);color:var(--sec)}
.hist-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.6rem;align-items:start}
.hist-item{border:1px solid var(--hard);border-radius:3px;background:var(--card);padding:1rem 1.1rem .8rem}
.hist-item .chart{min-height:240px}
.hist-fx{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}
.hist-fx .ch-title{font-size:var(--t--2)}
@media(max-width:900px){.hist-grid{grid-template-columns:1fr}}
.wire-activity{border:1px solid var(--hard);border-radius:3px;background:var(--card);padding:1rem 1.1rem .7rem;margin-bottom:1.6rem}
.lib-coverage .ch-matrix{max-width:100%}

/* ---------- consistency fixes (design QA 2026-11-05) ---------- */
.s-head .s-label{padding-top:.4rem}
.nav.on-dark:not(.scrolled) .nav-links a.lnk::after{background:var(--acl)}
.nav.on-dark.open{background:#0b0d12}
.nav.on-dark.open .nav-links{background:#0b0d12;border-bottom-color:rgba(255,255,255,.18)}
.nav.on-dark.open .nav-links a.lnk{color:#f1f4f9;border-bottom-color:rgba(255,255,255,.12)}
.num-col .lay{white-space:nowrap;flex-shrink:0}
.creds span{white-space:nowrap}
.about p a{color:var(--accent);text-decoration:underline;text-underline-offset:2px;text-decoration-color:var(--accent-line)}
.arch-legend{display:none;list-style:none;margin:.8rem 0 0;padding:0}
@media(max-width:700px){
  .arch{overflow:hidden}
  .arch-svg{width:124%;margin-left:-24%}
  .arch-svg text{display:none}
  .arch-legend{display:grid;gap:.55rem}
  .arch-legend li{display:grid;grid-template-columns:auto 1fr;gap:.15rem .6rem;align-items:baseline;border-left:3px solid var(--c,var(--accent));padding-left:.6rem}
  .arch-legend .k{font-family:var(--sans);font-size:var(--t--2);font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--c,var(--accent))}
  .arch-legend .n{font-family:var(--serif);font-weight:700;color:var(--ink);font-size:var(--t--1)}
  .arch-legend .v{grid-column:1/3;font-family:var(--mono);font-size:var(--t--2);color:var(--sec)}
  .arch-legend li.L1{--c:#1e40af}.arch-legend li.L2{--c:#5b8def}.arch-legend li.L3{--c:#0d1017}.arch-legend li.REG{--c:#8a9099}
}