*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ink:     #0D0F14;
  --panel:   #13161E;
  --surface: #1A1E2B;
  --border:  #262B3B;
  --rule:    #1F2331;
  --dim:     #7B819C;   /* labels - 4.9:1 on ink */
  --body:    #A3A9BF;   /* running text - 8:1 */
  --light:   #D2D6E2;
  --white:   #F0F2F8;
  --gold:    #D4A848;
  --gold-dim:#8A6C2C;
  --green:   #3DB87A;
  --red:     #E0544A;
  --measure: 68ch;
}

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  background: var(--ink);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 2px; }
.mono { font-family: 'Space Mono', ui-monospace, monospace; font-size: .78rem; letter-spacing: .06em; text-transform: uppercase; color: var(--gold); }
.container { max-width: 1120px; margin: 0 auto; padding: 0 2rem; }
h1, h2, h3 { font-weight: 600; letter-spacing: -.02em; line-height: 1.15; }

/* ---- nav ---- */
nav { position: sticky; top: 0; z-index: 10; background: rgba(13,15,20,.88); backdrop-filter: blur(12px); border-bottom: 1px solid var(--rule); }
.nav-inner { display: flex; justify-content: space-between; align-items: center; height: 64px; gap: 1rem; }
.logo { font-weight: 700; font-size: 1.15rem; letter-spacing: -.03em; }
.logo span { color: var(--gold); }
.nav-links { display: flex; gap: 1.75rem; font-size: .95rem; color: var(--body); }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--white); }
.nav-links a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--gold); padding-bottom: 2px; }

/* ---- hero ---- */
.hero { padding-block: 7rem 5rem; }
.hero .mono { display: inline-block; padding: .35rem .8rem; border: 1px solid var(--gold-dim); border-radius: 100px; background: rgba(212,168,72,.07); margin-bottom: 1.75rem; }
.hero h1 { font-size: clamp(2.2rem, 5.2vw, 3.6rem); max-width: 17ch; margin-bottom: 1.5rem; }
.hero p { font-size: clamp(1.05rem, 1.6vw, 1.2rem); color: var(--body); max-width: 56ch; }
.hero-links { display: flex; gap: .75rem; margin-top: 2.5rem; flex-wrap: wrap; }
.btn { display: inline-block; padding: .8rem 1.5rem; border-radius: 4px; font-weight: 500; border: 1px solid var(--border); transition: border-color .2s, background .2s, color .2s; }
.btn:hover { border-color: var(--dim); background: var(--panel); }
.btn.primary { background: var(--gold); border-color: var(--gold); color: var(--ink); font-weight: 600; }
.btn.primary:hover { background: transparent; color: var(--gold); }

/* ---- sections ---- */
section { padding: 6rem 0; border-top: 1px solid var(--rule); }
.section-head { margin-bottom: 3rem; max-width: 62ch; }
.section-head h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); margin: .6rem 0 1rem; }
.section-head p { color: var(--body); }

/* ---- the book ---- */
.book { background: linear-gradient(180deg, var(--ink), var(--panel) 60%); }
.book-grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 2.5rem; align-items: start; }
.chart { margin: 0; }
.chart-panel { position: relative; margin-left: 3.2rem; }
.chart-panel svg { display: block; width: 100%; }
.chart-panel.eq svg { height: 300px; }
.chart-panel.uw svg { height: 90px; }
.chart-panel.uw { margin-top: .75rem; }
.ylab { position: absolute; left: -3.2rem; top: 0; bottom: 0; width: 2.8rem; }
.ylab span { position: absolute; right: 0; transform: translateY(-50%); font: .72rem 'Space Mono', monospace; color: var(--dim); }
.xlab { position: relative; height: 1.6rem; margin: .5rem 0 0 3.2rem; }
.xlab span { position: absolute; transform: translateX(-50%); font: .72rem 'Space Mono', monospace; color: var(--dim); }
.chart figcaption { margin: 1rem 0 0 3.2rem; font-size: .85rem; color: var(--dim); max-width: 60ch; }
svg .grid { stroke: var(--rule); stroke-width: 1; vector-effect: non-scaling-stroke; }
svg .grid.strong { stroke: var(--border); stroke-dasharray: 4 4; }
svg .eq-line { fill: none; stroke: var(--gold); stroke-width: 2; vector-effect: non-scaling-stroke; stroke-linejoin: round; }
svg .eq-area { fill: url(#eqfill); }
svg .eq-stop-a { stop-color: var(--gold); stop-opacity: .22; }
svg .eq-stop-b { stop-color: var(--gold); stop-opacity: 0; }
svg .uw-area { fill: var(--red); fill-opacity: .55; }

.book-stats { display: grid; gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.book-stats > div { background: var(--surface); padding: 1rem 1.2rem; display: grid; grid-template-columns: 1fr auto; column-gap: 1rem; align-items: baseline; }
.book-stats dt { font: .72rem 'Space Mono', monospace; text-transform: uppercase; letter-spacing: .06em; color: var(--dim); }
.book-stats dd { font: 700 1.5rem 'Space Mono', monospace; color: var(--white); text-align: right; line-height: 1.1; }
.book-stats dd small { font-size: .8rem; color: var(--dim); font-weight: 400; }
.book-stats dd.small { font-size: .9rem; font-weight: 400; }
.book-stats p { grid-column: 1 / -1; font-size: .8rem; color: var(--body); margin-top: .35rem; line-height: 1.45; }

.months { display: grid; grid-template-columns: 3.4rem repeat(12, minmax(0, 1fr)) 4.2rem; gap: 3px; margin-top: 3rem; font: .72rem 'Space Mono', monospace; }
.months .mh { color: var(--dim); text-align: center; padding-bottom: .3rem; }
.months .my { color: var(--dim); align-self: center; }
.months .mt { color: var(--light); text-align: right; align-self: center; }
.months .mt.mh { color: var(--dim); }
.mc { height: 2.1rem; border-radius: 3px; display: grid; place-items: center; background: var(--panel); }
.mc b { font-weight: 400; color: var(--white); }
.mc.pos { background: rgba(61,184,122, var(--a)); }
.mc.neg { background: rgba(224,84,74, var(--a)); }
.mc.empty { background: transparent; border: 1px dashed var(--rule); }

.disclosure { margin-top: 3rem; padding: 1.4rem 1.6rem; border: 1px solid var(--border); border-left: 3px solid var(--gold-dim); border-radius: 4px; background: var(--panel); font-size: .88rem; color: var(--body); max-width: 80ch; }
.disclosure strong { color: var(--light); font-weight: 600; }
.disclosure p + p { margin-top: .7rem; }

/* ---- principles ---- */
.principles { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.25rem; }
.principle { border: 1px solid var(--border); border-radius: 6px; padding: 1.75rem 1.5rem; background: var(--surface); display: flex; flex-direction: column; gap: .75rem; transition: border-color .2s; }
.principle:hover { border-color: var(--gold-dim); }
.principle h3 { font-size: 1.15rem; }
.principle p { font-size: .92rem; color: var(--body); flex: 1; }
.principle .more { font: .75rem 'Space Mono', monospace; color: var(--gold); letter-spacing: .04em; }

/* ---- not ---- */
.not-list { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: .75rem 2rem; max-width: 900px; }
.not-list li { padding: .9rem 0; border-bottom: 1px solid var(--rule); color: var(--light); display: flex; gap: .75rem; align-items: baseline; }
.not-list li::before { content: "\2014"; color: var(--gold); font-family: 'Space Mono', monospace; }

/* ---- footer ---- */
footer { border-top: 1px solid var(--rule); padding: 3rem 0 4rem; font-size: .82rem; color: var(--dim); }
footer .legal { max-width: 90ch; line-height: 1.6; }
footer .legal p + p { margin-top: .6rem; }
footer .bottom { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2rem; flex-wrap: wrap; }

/* ---- journal ---- */
.journal-hero { padding-block: 6rem 3rem; }
.journal-hero h1 { font-size: clamp(2.2rem, 5vw, 3.2rem); margin: .8rem 0 1rem; }
.journal-hero p { color: var(--body); max-width: 60ch; font-size: 1.1rem; }
.toc { list-style: none; border-top: 1px solid var(--rule); max-width: 820px; }
.toc li a { display: grid; grid-template-columns: 7.5rem 1fr; gap: 1rem; padding: 1.1rem 0; border-bottom: 1px solid var(--rule); align-items: baseline; }
.toc li a:hover h3 { color: var(--gold); }
.toc time { font: .75rem 'Space Mono', monospace; color: var(--dim); }
.toc h3 { font-size: 1.1rem; transition: color .2s; }
.toc p { grid-column: 2; font-size: .9rem; color: var(--body); margin-top: .25rem; }

/* commit-log greatest hits */
.log { max-width: 820px; margin: 3.5rem 0 1rem; border: 1px solid var(--border); border-radius: 6px; background: var(--panel); padding: 1.6rem 1.8rem 1.2rem; }
.log h2 { font-size: 1.15rem; margin: .5rem 0 .4rem; }
.log > p { font-size: .9rem; color: var(--body); margin-bottom: 1rem; }
.log ul { list-style: none; }
.log li { display: grid; grid-template-columns: 5.5rem 1fr; gap: 1rem; padding: .55rem 0; border-top: 1px solid var(--rule); align-items: baseline; }
.log time { font: .72rem 'Space Mono', monospace; color: var(--dim); }
.log q { color: var(--light); font-size: .95rem; }
.log q::before, .log q::after { color: var(--gold); }
.prose .aside { border: 1px dashed var(--border); border-radius: 4px; padding: .9rem 1.1rem; font-size: .92rem; color: var(--body); margin: 1.6em 0; }
.prose .aside strong { color: var(--gold); font-weight: 500; font-family: 'Space Mono', monospace; font-size: .75rem; letter-spacing: .05em; text-transform: uppercase; display: block; margin-bottom: .3rem; }

article.post { padding: 5rem 0; border-top: 1px solid var(--rule); scroll-margin-top: 64px; }
.post-head { max-width: var(--measure); margin: 0 auto 2.5rem; }
.post-head time { font: .75rem 'Space Mono', monospace; color: var(--gold); letter-spacing: .06em; }
.post-head h2 { font-size: clamp(1.7rem, 3.6vw, 2.3rem); margin: .6rem 0 .8rem; }
.post-head .dek { font-size: 1.1rem; color: var(--body); }
.prose { max-width: var(--measure); margin: 0 auto; color: var(--light); font-size: 1.04rem; line-height: 1.75; }
.prose p { margin-bottom: 1.25em; }
.prose h3 { font-size: 1.2rem; color: var(--white); margin: 2.2em 0 .8em; }
.prose strong { color: var(--white); font-weight: 600; }
.prose em { color: var(--white); }
.prose ul, .prose ol { margin: 0 0 1.25em 1.25em; }
.prose li { margin-bottom: .5em; padding-left: .25em; }
.prose code { font: .88em 'Space Mono', monospace; color: var(--gold); background: var(--panel); padding: .1em .35em; border-radius: 3px; }
.prose blockquote { border-left: 3px solid var(--gold-dim); padding: .2em 0 .2em 1.2em; margin: 1.6em 0; color: var(--white); font-size: 1.1rem; }
.prose .table-wrap { overflow-x: auto; margin: 1.6em 0; border: 1px solid var(--border); border-radius: 4px; }
.prose table { border-collapse: collapse; width: 100%; font-size: .88rem; }
.prose th, .prose td { padding: .6rem .9rem; text-align: left; border-bottom: 1px solid var(--rule); white-space: nowrap; }
.prose th { font: .72rem 'Space Mono', monospace; text-transform: uppercase; letter-spacing: .05em; color: var(--dim); background: var(--panel); }
.prose td.num, .prose th.num { text-align: right; font-family: 'Space Mono', monospace; }
.prose tr:last-child td { border-bottom: none; }
.prose pre { font: .82rem/1.6 'Space Mono', monospace; background: var(--panel); border: 1px solid var(--border); border-radius: 4px; padding: 1rem 1.2rem; overflow-x: auto; margin: 1.6em 0; color: var(--light); }
.post-foot { max-width: var(--measure); margin: 2.5rem auto 0; font: .75rem 'Space Mono', monospace; }
.post-foot a { color: var(--dim); }
.post-foot a:hover { color: var(--gold); }

@media (max-width: 900px) {
  .book-grid { grid-template-columns: 1fr; }
  .book-stats { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .hero { padding-block: 4.5rem 3.5rem; }
  section { padding: 4rem 0; }
  .nav-links { gap: 1.1rem; font-size: .9rem; }
  .chart-panel, .xlab, .chart figcaption { margin-left: 2.6rem; }
  .ylab { left: -2.6rem; width: 2.3rem; }
  .chart-panel.eq svg { height: 220px; }
  .chart-panel.uw svg { height: 70px; }
  .book-stats { grid-template-columns: 1fr; }
  .months { grid-template-columns: 2.6rem repeat(12, minmax(0, 1fr)) 3.2rem; gap: 2px; }
  .mc { height: 1.6rem; }
  .mc b { display: none; }
  .toc li a { grid-template-columns: 1fr; gap: .2rem; }
  .toc p { grid-column: 1; }
  .log { padding: 1.2rem 1rem .8rem; }
  .log li { grid-template-columns: 1fr; gap: .15rem; }
  .prose { font-size: 1rem; }
  .prose th, .prose td { padding: .5rem .55rem; }
  .prose th { white-space: normal; }
  article.post { padding: 3.5rem 0; }
}
/* ---- the quiet home page (2026-10-01): no book, a redacted file ---- */
.hero.quiet { padding-block: 9rem 6rem; }
.hero.quiet h1 { max-width: 14ch; }
.dossier { display: grid; gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: 6px; overflow: hidden; max-width: 900px; }
.dossier > div { background: var(--surface); display: grid; grid-template-columns: 12rem 1fr; gap: 1.5rem; padding: 1.1rem 1.4rem; align-items: baseline; }
.dossier dt { font: .72rem 'Space Mono', monospace; text-transform: uppercase; letter-spacing: .08em; color: var(--dim); }
.dossier dd { color: var(--light); }
.redact { display: inline-block; vertical-align: middle; width: var(--w, 12ch); max-width: 100%; height: 1.05em; margin-left: .2em; background: #000; border-radius: 1px; box-shadow: 0 0 0 1px var(--rule); }
.signs { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.25rem; }
.sign { border-top: 2px solid var(--gold-dim); padding-top: 1.2rem; display: flex; flex-direction: column; gap: .8rem; transition: border-color .2s; }
.sign:hover { border-color: var(--gold); }
.sign b { font: 700 2.6rem 'Space Mono', monospace; color: var(--white); line-height: 1; }
.sign b small { font-size: 1rem; color: var(--dim); font-weight: 400; margin-left: .15em; }
.sign span { font-size: .92rem; color: var(--body); }
@media (max-width: 640px) {
  .hero.quiet { padding-block: 5rem 4rem; }
  .dossier > div { grid-template-columns: 1fr; gap: .3rem; }
}

/* ---- the professional home page (2026-10-02): markets, process, risk, measures ---- */
.nav-links { flex-wrap: wrap; justify-content: flex-end; }
.markets { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.25rem; }
.market { border: 1px solid var(--border); border-radius: 6px; padding: 1.5rem; background: var(--surface); display: flex; flex-direction: column; gap: .8rem; }
.mk-head { display: flex; justify-content: space-between; align-items: baseline; gap: .5rem; }
.mk-head h3 { font-size: 1.1rem; }
.market > p { font-size: .9rem; color: var(--body); flex: 1; }
.market dl { display: grid; gap: .35rem; border-top: 1px solid var(--rule); padding-top: .8rem; }
.market dl > div { display: flex; justify-content: space-between; gap: 1rem; }
.market dt { font: .72rem 'Space Mono', monospace; text-transform: uppercase; letter-spacing: .05em; color: var(--dim); }
.market dd { font: .82rem 'Space Mono', monospace; color: var(--light); text-align: right; }
.spec { width: 100%; border-collapse: collapse; border-top: 1px solid var(--rule); font: .78rem 'Space Mono', monospace; }
.spec th, .spec td { padding: .4rem 0; text-align: right; border-bottom: 1px solid var(--rule); white-space: nowrap; }
.spec thead th { color: var(--dim); font-weight: 400; font-size: .68rem; text-transform: uppercase; letter-spacing: .05em; }
.spec tbody th { text-align: left; color: var(--dim); font-weight: 400; font-size: .7rem; text-transform: uppercase; letter-spacing: .04em; }
.spec td { color: var(--light); padding-left: .8rem; }
.spec tr:last-child th, .spec tr:last-child td { border-bottom: none; }
.note { margin-top: 1.5rem; font-size: .85rem; color: var(--dim); max-width: 80ch; }
.steps { list-style: none; counter-reset: step; display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1.25rem; }
.steps li { counter-increment: step; border-top: 2px solid var(--gold-dim); padding-top: 1rem; }
.steps li::before { content: "0" counter(step); font: 700 .8rem 'Space Mono', monospace; color: var(--gold); }
.steps h3 { font-size: 1.1rem; margin: .4rem 0 .5rem; }
.steps p { font-size: .92rem; color: var(--body); }
.measures { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
@media (max-width: 760px) { .measures { grid-template-columns: 1fr; } }
@media (max-width: 640px) { .nav-links { gap: .8rem; font-size: .8rem; } }
.measure { border: 1px solid var(--border); border-radius: 6px; padding: 1.5rem; background: var(--surface); display: flex; flex-direction: column; gap: .8rem; }
.measure h3 { font-size: 1.1rem; }
.measure code { display: block; font: .8rem/1.5 'Space Mono', monospace; color: var(--gold); background: var(--panel); border: 1px solid var(--rule); border-radius: 4px; padding: .7rem .8rem; overflow-x: auto; }
.measure p { font-size: .9rem; color: var(--body); }
.measure strong, .worked strong { color: var(--white); font-weight: 600; }
.worked { margin-top: 2rem; padding: 1.4rem 1.6rem; border: 1px solid var(--border); border-left: 3px solid var(--gold-dim); border-radius: 4px; background: var(--panel); max-width: 80ch; }
.worked h3 { font-size: 1rem; margin-bottom: .6rem; }
.worked p { font-size: .9rem; color: var(--body); }
.worked p + p { margin-top: .7rem; }
.log li { grid-template-columns: 1fr; }
.post-head .cat, .toc .cat { font: .75rem 'Space Mono', monospace; letter-spacing: .06em; text-transform: uppercase; }
.post-head .cat { color: var(--gold); }
.toc .cat { color: var(--dim); }

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