/* bwb3 : a working notebook for benjaminwootton.co.uk
   palette inherits the 2010 twentyten footprint: paper, ink, signal red, link blue */

:root {
  --bwb3-paper: #f4f2ed;
  --bwb3-surface: #fffefb;
  --bwb3-ink: #101010;
  --bwb3-body: #34322e;
  --bwb3-muted: #625e55;
  --bwb3-rule: #ddd8cc;
  --bwb3-rule-strong: #101010;
  --bwb3-signal: #e03a22;
  --bwb3-signal-text: #b8321f;
  --bwb3-link: #0066cc;
  --bwb3-visited: #743399;
  --bwb3-green: #2f6f5e;
  --bwb3-wash: #e9e5db;
  --bwb3-width: 1140px;
  --bwb3-gutter: 24px;
  --bulma-family-primary: Georgia, "Bitstream Charter", "Times New Roman", serif;
  --bulma-family-secondary: "Helvetica Neue", Arial, Helvetica, sans-serif;
  --bulma-primary: #101010;
  --bulma-link: #0066cc;
  --bulma-text: #34322e;
  --bulma-body-background-color: #f4f2ed;
  --bulma-radius: 0;
  --bulma-radius-small: 0;
  --bulma-radius-large: 0;
  --bulma-strong-color: #101010;
  --bulma-title-color: #101010;
  --bulma-title-family: "Helvetica Neue", Arial, Helvetica, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bwb3-paper);
  color: var(--bwb3-body);
  font-family: Georgia, "Bitstream Charter", "Times New Roman", serif;
  font-size: 17px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--bwb3-signal); color: #fff; }

a { color: var(--bwb3-link); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--bwb3-signal-text); }
a:visited { color: var(--bwb3-visited); }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 3px solid var(--bwb3-signal);
  outline-offset: 3px;
}

h1, h2, h3, h4, h5, h6, .title, .subtitle {
  font-family: "Helvetica Neue", Arial, Helvetica, sans-serif;
  color: var(--bwb3-ink);
  letter-spacing: -0.02em;
}

img { max-width: 100%; height: auto; }

.bwb3-shell { max-width: var(--bwb3-width); margin: 0 auto; padding: 0 var(--bwb3-gutter); }
.bwb3-skip {
  position: absolute; left: 16px; top: -60px; z-index: 999;
  background: var(--bwb3-ink); color: #fff; padding: 10px 14px;
  font: 700 12px/1 "Helvetica Neue", Arial, sans-serif; letter-spacing: .08em; text-transform: uppercase;
}
.bwb3-skip:focus { top: 12px; color: #fff; }

/* ---- top bar ---- */
.bwb3-topbar {
  position: sticky; top: 0; z-index: 60;
  background: #0b0b0b; color: #fff;
  border-bottom: 3px solid var(--bwb3-signal);
}
.bwb3-topbar__in {
  max-width: var(--bwb3-width); margin: 0 auto; padding: 0 var(--bwb3-gutter);
  min-height: 62px; display: flex; align-items: center; gap: 28px;
}
.bwb3-mark {
  font: 800 16px/1 "Helvetica Neue", Arial, sans-serif;
  letter-spacing: -0.01em; color: #fff; text-decoration: none; white-space: nowrap;
}
.bwb3-mark:hover { color: #fff; }
.bwb3-mark b { color: var(--bwb3-signal); font-weight: 800; }
.bwb3-mark small {
  display: block; margin-top: 4px; color: #a9a49a;
  font: 600 9px/1 "Helvetica Neue", Arial, sans-serif; letter-spacing: .22em; text-transform: uppercase;
}
.bwb3-nav { margin-left: auto; display: flex; align-items: center; gap: 26px; }
.bwb3-nav a, .bwb3-nav button {
  color: #cdc8be; background: none; border: 0; padding: 6px 0 5px; cursor: pointer;
  font: 600 11px/1 "Helvetica Neue", Arial, sans-serif; letter-spacing: .15em; text-transform: uppercase;
  text-decoration: none;
}
.bwb3-nav a:hover, .bwb3-nav button:hover { color: #fff; }
.bwb3-nav a[aria-current="page"] { color: #fff; box-shadow: inset 0 -2px 0 var(--bwb3-signal); }
.bwb3-burger { display: none; margin-left: auto; background: none; border: 0; cursor: pointer; padding: 12px 0 12px 12px; }
.bwb3-burger span { display: block; width: 24px; height: 2px; background: #fff; margin: 5px 0; transition: transform .2s ease, opacity .2s ease; }
.bwb3-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.bwb3-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.bwb3-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- hero ---- */
@keyframes bwb3-fade { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.bwb3-hero__grid { animation: bwb3-fade .6s ease both; }
.bwb3-feature { animation: bwb3-fade .6s .08s ease both; }
.bwb3-hero { padding: 78px 0 56px; border-bottom: 1px solid var(--bwb3-rule); }
.bwb3-hero__grid { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(280px, .85fr); gap: 70px; align-items: start; }
.bwb3-eyebrow {
  display: flex; align-items: center; gap: 10px; margin: 0 0 26px;
  font: 700 10px/1.2 "Helvetica Neue", Arial, sans-serif; letter-spacing: .2em; text-transform: uppercase; color: var(--bwb3-green);
}
.bwb3-eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--bwb3-green); }
.bwb3-display {
  margin: 0 0 28px; font-size: clamp(44px, 7.2vw, 84px); line-height: .96;
  letter-spacing: -0.045em; font-weight: 800; max-width: 9ch;
}
.bwb3-display em {
  font-family: Georgia, "Bitstream Charter", serif; font-weight: 400; font-style: italic;
  letter-spacing: -0.035em; color: var(--bwb3-signal);
}
.bwb3-lead { max-width: 44ch; font-size: 19px; line-height: 1.65; margin: 0 0 26px; color: var(--bwb3-body); }
.bwb3-hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; }
.bwb3-btn {
  display: inline-flex; align-items: center; gap: 10px; text-decoration: none;
  background: var(--bwb3-ink); color: #fff !important; border: 1px solid var(--bwb3-ink); border-radius: 0;
  padding: 13px 20px; font: 700 11px/1 "Helvetica Neue", Arial, sans-serif; letter-spacing: .14em; text-transform: uppercase;
  transition: background .16s ease, color .16s ease, border-color .16s ease;
}
.bwb3-btn:hover { background: var(--bwb3-signal); border-color: var(--bwb3-signal); color: var(--bwb3-ink) !important; }
.bwb3-btn--ghost { background: transparent; color: var(--bwb3-ink) !important; }
.bwb3-btn--ghost:hover { background: var(--bwb3-ink); color: #fff !important; border-color: var(--bwb3-ink); }
.bwb3-btn__arrow { font-family: Georgia, serif; font-size: 16px; line-height: 1; }
.bwb3-herometa { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-top: 36px; padding-top: 18px; border-top: 1px solid var(--bwb3-rule); }
.bwb3-herometa span { font: 600 10px/1.4 "Helvetica Neue", Arial, sans-serif; letter-spacing: .13em; text-transform: uppercase; color: var(--bwb3-muted); }
.bwb3-herometa span b { color: var(--bwb3-ink); font-weight: 700; }

.bwb3-idcard {
  background: var(--bwb3-surface); border: 1px solid var(--bwb3-rule-strong);
  box-shadow: 12px 12px 0 var(--bwb3-signal); padding: 18px; transform: rotate(.7deg);
}
.bwb3-idcard__top { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--bwb3-rule); padding-bottom: 10px; margin-bottom: 14px; }
.bwb3-idcard__top span { font: 700 9px/1 "Helvetica Neue", Arial, sans-serif; letter-spacing: .2em; text-transform: uppercase; color: var(--bwb3-muted); }
.bwb3-idcard img { display: block; width: 100%; aspect-ratio: 1 / 1; object-fit: cover; filter: saturate(.82) contrast(1.03); }
.bwb3-idcard__caption { margin: 14px 0 0; font: 12px/1.55 "Helvetica Neue", Arial, sans-serif; color: var(--bwb3-body); }
.bwb3-idcard__caption b { display: block; font-size: 14px; color: var(--bwb3-ink); letter-spacing: -.01em; }
.bwb3-idcard__caption span { display: inline-block; margin-top: 3px; color: var(--bwb3-muted); }

/* ---- sections ---- */
.bwb3-section { padding: 62px 0; }
.bwb3-section--tight { padding: 40px 0; }
.bwb3-section+ .bwb3-section { border-top: 1px solid var(--bwb3-rule); }
.bwb3-secthead { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
.bwb3-kicker { margin: 0 0 10px; font: 700 10px/1 "Helvetica Neue", Arial, sans-serif; letter-spacing: .2em; text-transform: uppercase; color: var(--bwb3-green); }
.bwb3-h2 { margin: 0; font-size: clamp(28px, 3.6vw, 42px); line-height: 1.05; font-weight: 800; }
.bwb3-h2 small { display: block; margin-top: 8px; font: 600 11px/1.4 "Helvetica Neue", Arial, sans-serif; letter-spacing: .12em; text-transform: uppercase; color: var(--bwb3-muted); }
.bwb3-secthead__link { font: 700 10px/1 "Helvetica Neue", Arial, sans-serif; letter-spacing: .14em; text-transform: uppercase; text-decoration: none; color: var(--bwb3-ink); border-bottom: 2px solid var(--bwb3-signal); padding-bottom: 6px; white-space: nowrap; }
.bwb3-secthead__link:hover { color: var(--bwb3-signal-text); }

/* ---- featured note ---- */
.bwb3-feature {
  display: grid; grid-template-columns: 132px minmax(0, 1fr); gap: 34px;
  background: var(--bwb3-surface); border: 1px solid var(--bwb3-rule-strong); padding: 34px;
  text-decoration: none; color: inherit;
  transition: box-shadow .18s ease, transform .18s ease;
}
.bwb3-feature:hover { box-shadow: 10px 10px 0 var(--bwb3-ink); transform: translate(-2px, -2px); color: inherit; }
.bwb3-feature__no { font: 800 64px/0.85 "Helvetica Neue", Arial, sans-serif; letter-spacing: -.06em; color: var(--bwb3-signal); }
.bwb3-feature__no span { display: block; margin-top: 12px; font: 700 9px/1.4 "Helvetica Neue", Arial, sans-serif; letter-spacing: .16em; text-transform: uppercase; color: var(--bwb3-muted); }
.bwb3-feature h3 { margin: 0 0 12px; font-size: clamp(26px, 3.1vw, 38px); line-height: 1.08; font-weight: 800; }
.bwb3-feature p { margin: 0 0 18px; max-width: 62ch; color: var(--bwb3-body); font-size: 16px; line-height: 1.65; }
.bwb3-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; font: 600 10px/1.4 "Helvetica Neue", Arial, sans-serif; letter-spacing: .11em; text-transform: uppercase; color: var(--bwb3-muted); }
.bwb3-meta b { color: var(--bwb3-ink); }
.bwb3-meta .dot { width: 3px; height: 3px; background: var(--bwb3-rule); border-radius: 50%; }

/* ---- layout with rail ---- */
.bwb3-cols { display: grid; grid-template-columns: minmax(0, 1fr) 302px; gap: 62px; align-items: start; }
.bwb3-rail { position: sticky; top: 86px; display: grid; gap: 30px; }
.bwb3-rail__block { border-top: 3px solid var(--bwb3-ink); padding-top: 16px; }
.bwb3-rail__title { margin: 0 0 14px; font: 800 10px/1 "Helvetica Neue", Arial, sans-serif; letter-spacing: .18em; text-transform: uppercase; color: var(--bwb3-ink); }
.bwb3-topics { list-style: none; margin: 0; padding: 0; }
.bwb3-topics li { border-bottom: 1px solid var(--bwb3-rule); }
.bwb3-topics a { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding: 9px 0; text-decoration: none; color: var(--bwb3-ink); font: 600 14px/1.4 "Helvetica Neue", Arial, sans-serif; }
.bwb3-topics a:hover { color: var(--bwb3-signal-text); }
.bwb3-topics span { font: 600 10px/1 "Helvetica Neue", Arial, sans-serif; color: var(--bwb3-muted); letter-spacing: .08em; }
.bwb3-rail__bio { font-size: 14px; line-height: 1.65; color: var(--bwb3-body); margin: 0 0 14px; }
.bwb3-rail__bio a { font-weight: 700; }
.bwb3-mini { display: flex; gap: 14px; align-items: center; }
.bwb3-mini img { width: 62px; height: 62px; object-fit: cover; border: 1px solid var(--bwb3-ink); }
.bwb3-mini b { display: block; font: 800 14px/1.2 "Helvetica Neue", Arial, sans-serif; color: var(--bwb3-ink); }
.bwb3-mini span { display: block; font: 600 9px/1.4 "Helvetica Neue", Arial, sans-serif; letter-spacing: .12em; text-transform: uppercase; color: var(--bwb3-muted); margin-top: 3px; }

/* ---- note list ---- */
.bwb3-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--bwb3-rule-strong); }
.bwb3-list li { border-bottom: 1px solid var(--bwb3-rule); }
.bwb3-list a { display: grid; grid-template-columns: 58px minmax(0, 1fr) auto; gap: 20px; align-items: baseline; padding: 20px 6px; text-decoration: none; color: inherit; transition: background .15s ease; }
.bwb3-list a:hover { background: var(--bwb3-surface); color: inherit; }
.bwb3-list__no { font: 700 11px/1.4 "Helvetica Neue", Arial, sans-serif; color: var(--bwb3-signal-text); letter-spacing: .06em; }
.bwb3-list__title { font: 800 20px/1.2 "Helvetica Neue", Arial, sans-serif; color: var(--bwb3-ink); letter-spacing: -.02em; }
.bwb3-list__title em { font-family: Georgia, serif; font-weight: 400; }
.bwb3-list a:hover .bwb3-list__title { color: var(--bwb3-signal-text); }
.bwb3-list__sub { display: block; margin-top: 5px; font: 400 14px/1.55 Georgia, serif; color: var(--bwb3-muted); max-width: 64ch; }
.bwb3-list__side { text-align: right; font: 600 9px/1.5 "Helvetica Neue", Arial, sans-serif; letter-spacing: .12em; text-transform: uppercase; color: var(--bwb3-muted); white-space: nowrap; }
.bwb3-list__side b { display: block; color: var(--bwb3-green); font-weight: 700; }

/* ---- topic band ---- */
.bwb3-topics-band { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-top: 1px solid var(--bwb3-rule-strong); border-left: 1px solid var(--bwb3-rule-strong); }
.bwb3-topics-band a { display: block; padding: 22px 18px; border-right: 1px solid var(--bwb3-rule-strong); border-bottom: 1px solid var(--bwb3-rule-strong); text-decoration: none; background: var(--bwb3-paper); color: var(--bwb3-ink); transition: background .15s ease, color .15s ease; }
.bwb3-topics-band a:hover { background: var(--bwb3-ink); color: #fff; }
.bwb3-topics-band b { display: block; font: 800 15px/1.2 "Helvetica Neue", Arial, sans-serif; }
.bwb3-topics-band span { display: block; margin-top: 8px; font: 600 9px/1.4 "Helvetica Neue", Arial, sans-serif; letter-spacing: .14em; text-transform: uppercase; color: var(--bwb3-green); }
.bwb3-topics-band a:hover span { color: #ff9b8c; }

/* ---- about strip ---- */
.bwb3-aboutstrip { display: grid; grid-template-columns: 180px minmax(0, 1fr) 220px; gap: 36px; align-items: center; }
.bwb3-aboutstrip img { width: 180px; height: 180px; object-fit: cover; border: 1px solid var(--bwb3-ink); filter: saturate(.85); }
.bwb3-aboutstrip p { margin: 0; font-size: 17px; }
.bwb3-aboutstrip .bwb3-small { margin-top: 10px; font: 600 10px/1.5 "Helvetica Neue", Arial, sans-serif; letter-spacing: .12em; text-transform: uppercase; color: var(--bwb3-muted); }

/* ---- article ---- */
.bwb3-article { padding: 44px 0 70px; }
.bwb3-crumbs { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; list-style: none; margin: 0 0 24px; padding: 0; font: 600 9px/1.4 "Helvetica Neue", Arial, sans-serif; letter-spacing: .14em; text-transform: uppercase; color: var(--bwb3-muted); }
.bwb3-crumbs a { color: var(--bwb3-muted); text-decoration: none; }
.bwb3-crumbs a:hover { color: var(--bwb3-signal-text); }
.bwb3-crumbs li+li::before { content: "/"; margin-right: 8px; color: var(--bwb3-rule); }
.bwb3-arthead { padding-bottom: 30px; border-bottom: 1px solid var(--bwb3-rule-strong); margin-bottom: 36px; }
.bwb3-arthead h1 { margin: 0 0 16px; font-size: clamp(36px, 5.6vw, 62px); line-height: .98; font-weight: 800; letter-spacing: -.045em; }
.bwb3-arthead .bwb3-meta { margin-top: 6px; }
.bwb3-tagline { display: inline-block; margin-bottom: 16px; font: 700 9px/1 "Helvetica Neue", Arial, sans-serif; letter-spacing: .18em; text-transform: uppercase; color: var(--bwb3-green); text-decoration: none; border-bottom: 1px solid var(--bwb3-green); padding-bottom: 5px; }
.bwb3-prose { font-size: 18px; line-height: 1.78; color: var(--bwb3-body); max-width: 68ch; }
.bwb3-prose > p:first-child { font-size: 21px; line-height: 1.6; color: var(--bwb3-ink); }
.bwb3-prose p { margin: 0 0 1.25em; }
.bwb3-prose h2 { margin: 2.2em 0 .5em; font-size: 30px; line-height: 1.12; font-weight: 800; }
.bwb3-prose h3 { margin: 1.8em 0 .4em; font-size: 21px; line-height: 1.2; font-weight: 800; }
.bwb3-prose ul, .bwb3-prose ol { margin: 0 0 1.4em 1.35em; padding: 0; }
.bwb3-prose li { margin-bottom: .55em; }
.bwb3-prose li::marker { color: var(--bwb3-signal); }
.bwb3-prose strong { color: var(--bwb3-ink); }
.bwb3-prose em { font-style: italic; }
.bwb3-prose blockquote { margin: 2em 0; padding: 6px 0 6px 24px; border-left: 4px solid var(--bwb3-signal); font-size: 22px; line-height: 1.5; color: var(--bwb3-ink); font-style: italic; }
.bwb3-prose blockquote p { margin: 0; }
.bwb3-prose figure { margin: 2em 0; }
.bwb3-prose figure img { border: 1px solid var(--bwb3-ink); }
.bwb3-prose figcaption { margin-top: 8px; font: 600 10px/1.5 "Helvetica Neue", Arial, sans-serif; letter-spacing: .1em; text-transform: uppercase; color: var(--bwb3-muted); }
.bwb3-prose code, .bwb3-prose kbd { font-family: Monaco, Consolas, "Andale Mono", monospace; font-size: 14px; background: var(--bwb3-wash); padding: 2px 5px; }
.bwb3-prose pre { background: var(--bwb3-ink); color: #f4f2ed; padding: 20px; overflow-x: auto; margin: 0 0 1.5em; }
.bwb3-prose pre code { background: none; color: inherit; padding: 0; }
.bwb3-prose a { font-weight: 600; }
.bwb3-prose hr { border: 0; border-top: 1px solid var(--bwb3-rule); margin: 2.4em 0; }
.bwb3-artfoot { margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--bwb3-rule-strong); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 18px; }
.bwb3-artfoot .bwb3-meta { margin: 0; }
.bwb3-related { margin-top: 52px; }
.bwb3-related h2 { font-size: 24px; margin: 0 0 18px; }
.bwb3-related__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.bwb3-note-card { display: block; text-decoration: none; color: inherit; background: var(--bwb3-surface); border: 1px solid var(--bwb3-rule); padding: 20px; transition: border-color .15s ease, box-shadow .15s ease; }
.bwb3-note-card:hover { border-color: var(--bwb3-ink); box-shadow: 6px 6px 0 var(--bwb3-signal); color: inherit; }
.bwb3-note-card b { display: block; font: 800 17px/1.25 "Helvetica Neue", Arial, sans-serif; color: var(--bwb3-ink); letter-spacing: -.02em; }
.bwb3-note-card span { display: block; margin-top: 8px; font: 600 9px/1.4 "Helvetica Neue", Arial, sans-serif; letter-spacing: .12em; text-transform: uppercase; color: var(--bwb3-green); }

/* ---- archive and category headers ---- */
.bwb3-archivehead { padding: 56px 0 34px; border-bottom: 1px solid var(--bwb3-rule-strong); }
.bwb3-archivehead h1 { margin: 0 0 12px; font-size: clamp(38px, 6vw, 66px); line-height: .96; font-weight: 800; letter-spacing: -.045em; }
.bwb3-archivehead p { margin: 0; max-width: 62ch; color: var(--bwb3-body); }
.bwb3-archivecount { margin-top: 18px; font: 700 9px/1.4 "Helvetica Neue", Arial, sans-serif; letter-spacing: .16em; text-transform: uppercase; color: var(--bwb3-muted); }
.bwb3-pager { display: flex; align-items: center; gap: 8px; margin-top: 38px; }
.bwb3-pager a, .bwb3-pager span { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 40px; padding: 0 12px; border: 1px solid var(--bwb3-rule-strong); text-decoration: none; font: 700 11px/1 "Helvetica Neue", Arial, sans-serif; letter-spacing: .1em; color: var(--bwb3-ink); }
.bwb3-pager a:hover { background: var(--bwb3-ink); color: #fff; }
.bwb3-pager span[aria-current="page"] { background: var(--bwb3-signal); border-color: var(--bwb3-signal); color: var(--bwb3-ink); }
.bwb3-pager .bwb3-pager__label { border: 0; padding: 0 4px; color: var(--bwb3-muted); font-weight: 600; letter-spacing: .08em; }

/* ---- page prose (about, links, presentations) ---- */
.bwb3-page { padding: 56px 0 72px; }
.bwb3-pagehead { margin-bottom: 40px; padding-bottom: 28px; border-bottom: 1px solid var(--bwb3-rule-strong); }
.bwb3-pagehead h1 { margin: 0 0 14px; font-size: clamp(40px, 6vw, 64px); line-height: .96; font-weight: 800; letter-spacing: -.045em; }
.bwb3-pagehead p { margin: 0; max-width: 60ch; font-size: 19px; }
.bwb3-page .bwb3-prose { max-width: 70ch; }
.bwb3-portrait { float: right; width: 200px; margin: 0 0 24px 34px; border: 1px solid var(--bwb3-ink); padding: 8px; background: var(--bwb3-surface); }
.bwb3-portrait img { display: block; width: 100%; filter: saturate(.85); }
.bwb3-portrait figcaption { font: 600 9px/1.5 "Helvetica Neue", Arial, sans-serif; letter-spacing: .12em; text-transform: uppercase; color: var(--bwb3-muted); margin-top: 8px; }

.bwb3-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 44px; }
.bwb3-linkgroup { border-top: 3px solid var(--bwb3-ink); padding: 18px 0 26px; }
.bwb3-linkgroup h2 { margin: 0 0 6px; font-size: 20px; }
.bwb3-linkgroup > p { margin: 0 0 16px; font: 400 14px/1.6 Georgia, serif; color: var(--bwb3-muted); }
.bwb3-linklist { list-style: none; margin: 0; padding: 0; }
.bwb3-linklist li { border-bottom: 1px solid var(--bwb3-rule); padding: 10px 0; }
.bwb3-linklist a { display: flex; justify-content: space-between; gap: 12px; text-decoration: none; color: var(--bwb3-ink); font: 700 14px/1.4 "Helvetica Neue", Arial, sans-serif; }
.bwb3-linklist a:hover { color: var(--bwb3-signal-text); }
.bwb3-linklist span { display: block; margin-top: 3px; font: 400 13px/1.5 Georgia, serif; color: var(--bwb3-muted); }
.bwb3-linklist .out { color: var(--bwb3-muted); font: 400 15px/1 Georgia, serif; }
.bwb3-linklist a:hover .out { color: var(--bwb3-signal-text); }

.bwb3-talk { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 24px; padding: 28px 0; border-top: 1px solid var(--bwb3-rule); }
.bwb3-talk:first-of-type { border-top: 3px solid var(--bwb3-ink); }
.bwb3-talk__no { font: 800 34px/.9 "Helvetica Neue", Arial, sans-serif; color: var(--bwb3-signal); letter-spacing: -.04em; }
.bwb3-talk h2 { margin: 0 0 10px; font-size: 24px; }
.bwb3-talk p { margin: 0 0 12px; }

/* ---- search dialog ---- */
.bwb3-dialog { position: fixed; inset: 0; z-index: 90; display: none; background: rgba(16,16,16,.62); padding: 8vh 18px 18px; }
.bwb3-dialog.is-open { display: block; }
.bwb3-dialog__panel { max-width: 720px; margin: 0 auto; background: var(--bwb3-surface); border: 1px solid var(--bwb3-ink); box-shadow: 14px 14px 0 var(--bwb3-signal); padding: 22px; }
.bwb3-dialog__head { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 14px; }
.bwb3-dialog__head h2 { margin: 0; font-size: 20px; }
.bwb3-dialog__close { background: none; border: 1px solid var(--bwb3-ink); width: 34px; height: 34px; cursor: pointer; font: 700 16px/1 "Helvetica Neue", Arial, sans-serif; color: var(--bwb3-ink); }
.bwb3-dialog__close:hover { background: var(--bwb3-ink); color: #fff; }
.bwb3-searchinput { width: 100%; border: 1px solid var(--bwb3-ink); border-radius: 0; background: var(--bwb3-paper); color: var(--bwb3-ink); font: 400 19px/1.4 Georgia, serif; padding: 13px 14px; box-shadow: none; }
.bwb3-searchinput:focus { border-color: var(--bwb3-signal); box-shadow: none; }
.bwb3-searchinput::placeholder { color: var(--bwb3-muted); opacity: 1; }
.bwb3-results { list-style: none; margin: 16px 0 0; padding: 0; max-height: 46vh; overflow-y: auto; border-top: 1px solid var(--bwb3-rule); }
.bwb3-results li { border-bottom: 1px solid var(--bwb3-rule); }
.bwb3-results a { display: block; padding: 12px 2px; text-decoration: none; color: var(--bwb3-ink); }
.bwb3-results a:hover { color: var(--bwb3-signal-text); }
.bwb3-results b { display: block; font: 700 15px/1.3 "Helvetica Neue", Arial, sans-serif; }
.bwb3-results span { display: block; margin-top: 3px; font: 600 9px/1.4 "Helvetica Neue", Arial, sans-serif; letter-spacing: .1em; text-transform: uppercase; color: var(--bwb3-muted); }
.bwb3-results__empty { padding: 16px 0; font-size: 15px; color: var(--bwb3-muted); }
.bwb3-dialog__hint { margin: 12px 0 0; font: 600 9px/1.5 "Helvetica Neue", Arial, sans-serif; letter-spacing: .1em; text-transform: uppercase; color: var(--bwb3-muted); }

/* ---- footer ---- */
.bwb3-footer { border-top: 4px solid var(--bwb3-ink); padding: 46px 0 26px; margin-top: 20px; }
.bwb3-footer__grid { display: grid; grid-template-columns: minmax(0, 1.3fr) repeat(3, minmax(0, .7fr)); gap: 34px; }
.bwb3-footer h2 { margin: 0 0 8px; font-size: 18px; }
.bwb3-footer p { margin: 0; font-size: 14px; line-height: 1.65; color: var(--bwb3-muted); max-width: 32ch; }
.bwb3-footer h3 { margin: 0 0 12px; font: 800 9px/1 "Helvetica Neue", Arial, sans-serif; letter-spacing: .18em; text-transform: uppercase; color: var(--bwb3-ink); }
.bwb3-footlist { list-style: none; margin: 0; padding: 0; }
.bwb3-footlist li { margin-bottom: 7px; }
.bwb3-footlist a { color: var(--bwb3-muted); text-decoration: none; font: 500 13px/1.5 "Helvetica Neue", Arial, sans-serif; }
.bwb3-footlist a:hover { color: var(--bwb3-signal-text); }
.bwb3-footer__base { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px; margin-top: 38px; padding-top: 18px; border-top: 1px solid var(--bwb3-rule); font: 600 9px/1.6 "Helvetica Neue", Arial, sans-serif; letter-spacing: .1em; text-transform: uppercase; color: var(--bwb3-muted); }
.bwb3-footer__base a { color: var(--bwb3-muted); }
.bwb3-footer__base a:hover { color: var(--bwb3-signal-text); }

/* ---- utility ---- */
.bwb3-sr { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.bwb3-eyebrow--muted { color: var(--bwb3-muted); }
.bwb3-eyebrow--muted::before { background: var(--bwb3-muted); }
.bwb3-empty { padding: 40px 0; color: var(--bwb3-muted); }
.bwb3-404 { text-align: left; padding: 90px 0; }
.bwb3-404__no { font: 800 clamp(90px, 20vw, 210px)/.8 "Helvetica Neue", Arial, sans-serif; color: var(--bwb3-signal); letter-spacing: -.06em; margin: 0 0 18px; }
.bwb3-404 h1 { font-size: clamp(30px, 4vw, 46px); margin: 0 0 14px; }
.bwb3-404 p { max-width: 50ch; margin: 0 0 24px; }

@media (max-width: 1100px) {
  .bwb3-footer__grid { grid-template-columns: minmax(0, 1fr) minmax(0, .7fr) minmax(0, .7fr); }
  .bwb3-footer__grid > div:first-child { grid-column: 1 / -1; }
}
@media (max-width: 980px) {
  .bwb3-hero__grid { grid-template-columns: 1fr; gap: 44px; }
  .bwb3-idcard { max-width: 380px; transform: none; box-shadow: 8px 8px 0 var(--bwb3-signal); }
  .bwb3-cols { grid-template-columns: 1fr; gap: 44px; }
  .bwb3-rail { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bwb3-topics-band { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .bwb3-aboutstrip { grid-template-columns: 140px minmax(0, 1fr); }
  .bwb3-aboutstrip img { width: 140px; height: 140px; }
  .bwb3-aboutstrip .bwb3-aboutstrip__cta { grid-column: 1 / -1; }
}
@media (max-width: 900px) {
  .bwb3-nav { display: none; }
  .bwb3-burger { display: block; }
  .bwb3-topbar__in { position: relative; flex-wrap: wrap; }
  .bwb3-nav.is-open {
    display: flex; flex-direction: column; align-items: flex-start; gap: 0;
    position: absolute; left: 0; right: 0; top: 100%; background: #0b0b0b;
    border-top: 1px solid #2a2a2a; padding: 10px 24px 18px; margin: 0;
  }
  .bwb3-nav.is-open a, .bwb3-nav.is-open button { width: 100%; padding: 14px 0; border-bottom: 1px solid #232323; text-align: left; }
  .bwb3-nav.is-open a[aria-current="page"] { box-shadow: inset 3px 0 0 var(--bwb3-signal); padding-left: 10px; }
}
@media (max-width: 760px) {
  :root { --bwb3-gutter: 18px; }
  body { font-size: 16px; }
  .bwb3-hero { padding: 50px 0 40px; }
  .bwb3-section { padding: 46px 0; }
  .bwb3-feature { grid-template-columns: 1fr; gap: 18px; padding: 24px; }
  .bwb3-feature__no { font-size: 42px; }
  .bwb3-feature__no span { display: inline; margin: 0 0 0 8px; }
  .bwb3-list a { grid-template-columns: 38px minmax(0, 1fr); gap: 14px; }
  .bwb3-list__side { grid-column: 2; text-align: left; margin-top: 6px; }
  .bwb3-list__side b { display: inline; }
  .bwb3-topics-band { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bwb3-aboutstrip { grid-template-columns: 1fr; }
  .bwb3-aboutstrip img { width: 120px; height: 120px; }
  .bwb3-rail { grid-template-columns: 1fr; }
  .bwb3-prose { font-size: 17px; }
  .bwb3-prose > p:first-child { font-size: 19px; }
  .bwb3-arthead h1 { font-size: clamp(32px, 9vw, 46px); }
  .bwb3-related__grid, .bwb3-links { grid-template-columns: 1fr; }
  .bwb3-portrait { float: none; width: 160px; margin: 0 0 24px; }
  .bwb3-footer__grid { grid-template-columns: 1fr 1fr; }
  .bwb3-footer__grid > div:first-child { grid-column: 1 / -1; }
  .bwb3-secthead { flex-direction: column; align-items: flex-start; gap: 14px; }
  .bwb3-meta .dot { display: none; }
  .bwb3-meta { gap: 6px 14px; }
  .bwb3-crumbs li:last-child { display: none; }
}
@media (max-width: 420px) {
  .bwb3-topics-band { grid-template-columns: 1fr; }
  .bwb3-footer__grid { grid-template-columns: 1fr; }
  .bwb3-pager a, .bwb3-pager span { min-width: 36px; height: 36px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}
@media print {
  .bwb3-topbar, .bwb3-rail, .bwb3-footer__grid, .bwb3-dialog, .bwb3-hero__actions { display: none !important; }
  body { background: #fff; color: #000; }
  .bwb3-prose { max-width: none; }
}

/* ---- reference shelf ---- */
.bwb3-refs { margin-top: 52px; padding-top: 22px; border-top: 1px solid var(--bwb3-rule-strong); }
.bwb3-refs h2 { margin: 0 0 4px; font-size: 24px; }
.bwb3-refs__intro { margin: 0 0 14px; font: 400 14px/1.6 Georgia, serif; color: var(--bwb3-muted); }
.bwb3-refs__grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 30px; }
.bwb3-refs__grid li { border-bottom: 1px solid var(--bwb3-rule); padding: 10px 0; }
.bwb3-refs__grid a { display: flex; justify-content: space-between; gap: 12px; text-decoration: none; color: var(--bwb3-ink); font: 700 13px/1.4 "Helvetica Neue", Arial, sans-serif; }
.bwb3-refs__grid a > span:first-child { display: block; }
.bwb3-refs__grid a > span:first-child > span { display: block; margin-top: 3px; color: var(--bwb3-muted); font: 400 13px/1.5 Georgia, serif; }
.bwb3-refs__grid a:hover { color: var(--bwb3-signal-text); }
.bwb3-refs__grid a:hover > span:first-child > span { color: var(--bwb3-body); }
.bwb3-refs .out { color: var(--bwb3-muted); font: 400 15px/1 Georgia, serif; white-space: nowrap; }
.bwb3-refs a:hover .out { color: var(--bwb3-signal-text); }
@media (max-width: 760px) { .bwb3-refs__grid { grid-template-columns: 1fr; } }

.bwb3-links__col { min-width: 0; }






/* ============================================================
   full width editorial layout
   ============================================================ */
:root {
  --bwb3-width: 1560px;
  --bwb3-gutter: 32px;
}

.bwb3-topbar__in,
.bwb3-shell { max-width: var(--bwb3-width); }

.bwb3-hero { padding: 96px 0 66px; }
.bwb3-hero__grid { grid-template-columns: minmax(0, 1.5fr) minmax(300px, .7fr); gap: 90px; }
.bwb3-display { max-width: 10ch; }
.bwb3-idcard { max-width: 380px; }
.bwb3-section { padding: 76px 0; }
.bwb3-feature { grid-template-columns: 160px minmax(0, 1fr); gap: 40px; padding: 40px; }
.bwb3-feature h3 { font-size: clamp(30px, 3.4vw, 46px); }

/* wide note index */
.bwb3-list a {
  grid-template-columns: 58px minmax(0, 1.05fr) minmax(0, 1.25fr) 190px;
  gap: 30px;
  align-items: start;
  padding: 24px 8px;
}
.bwb3-list__no { padding-top: 5px; }
.bwb3-list__title { font-size: 22px; line-height: 1.18; }
.bwb3-list__sub { margin-top: 2px; max-width: none; font-size: 15px; line-height: 1.6; }
.bwb3-list__side { padding-top: 5px; }

/* wide article */
.bwb3-article { padding: 52px 0 86px; }
.bwb3-arthead {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) 300px;
  gap: 64px;
  align-items: end;
  padding-bottom: 34px;
  margin-bottom: 44px;
}
.bwb3-arthead__lead { min-width: 0; }
.bwb3-arthead h1 { margin-bottom: 0; font-size: clamp(44px, 7.2vw, 92px); line-height: .94; }
.bwb3-arthead__meta { display: grid; gap: 9px; padding-bottom: 8px; }
.bwb3-arthead__meta .bwb3-meta { margin: 0; font-size: 11px; }
.bwb3-prose { max-width: 76ch; margin-left: auto; margin-right: auto; font-size: 19px; line-height: 1.8; }
.bwb3-prose > p:first-child { font-size: 22px; }
.bwb3-article__align { max-width: 76ch; margin: 0 auto; }
.bwb3-artfoot { margin-top: 48px; }
.bwb3-refs { margin-top: 62px; }
.bwb3-refs__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.bwb3-related { margin-top: 62px; }
.bwb3-related__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }

/* wide about */
.bwb3-about {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 64px;
  align-items: start;
}
.bwb3-portrait { position: sticky; top: 88px; width: 100%; float: none; margin: 0; }
.bwb3-prose--about { max-width: 76ch; margin: 0; }
.bwb3-facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 64px;
  background: var(--bwb3-rule-strong);
  border: 1px solid var(--bwb3-rule-strong);
}
.bwb3-facts div { background: var(--bwb3-surface); padding: 22px 24px; }
.bwb3-facts span { display: block; font: 700 9px/1.4 "Helvetica Neue", Arial, sans-serif; letter-spacing: .16em; text-transform: uppercase; color: var(--bwb3-muted); }
.bwb3-facts b { display: block; margin-top: 7px; font: 800 17px/1.2 "Helvetica Neue", Arial, sans-serif; letter-spacing: -.02em; color: var(--bwb3-ink); }

/* wide talks and links */
.bwb3-talklist { display: block; }
.bwb3-talk { grid-template-columns: 80px minmax(0, 1fr); gap: 34px; padding: 34px 0; }
.bwb3-talk p { max-width: 82ch; }
.bwb3-talk h2 { font-size: 26px; }
.bwb3-links {
  display: block;
  columns: 2;
  column-gap: 64px;
}
.bwb3-linkgroup { break-inside: avoid; }
.bwb3-linkgroup h2 { font-size: 21px; }
.bwb3-linklist a { font-size: 14px; }

/* horizontal notebook index (replaces the old rail) */
.bwb3-quicknav {
  border-top: 1px solid var(--bwb3-rule-strong);
  padding: 24px 0;
  margin-top: 24px;
}
.bwb3-quicknav .bwb3-shell { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 22px; }
.bwb3-quicknav__label {
  font: 800 9px/1 "Helvetica Neue", Arial, sans-serif;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--bwb3-ink);
  margin-right: 6px;
}
.bwb3-quicknav nav { display: flex; flex-wrap: wrap; gap: 9px 20px; }
.bwb3-quicknav a {
  font: 600 10px/1.4 "Helvetica Neue", Arial, sans-serif;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--bwb3-muted);
  text-decoration: none;
}
.bwb3-quicknav a:hover { color: var(--bwb3-signal-text); }

@media (max-width: 1200px) {
  .bwb3-hero__grid { gap: 56px; }
  .bwb3-arthead { grid-template-columns: minmax(0, 1fr) 260px; gap: 40px; }
  .bwb3-links { columns: 2; }
  .bwb3-refs__grid, .bwb3-related__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 1100px) {
  .bwb3-list a { grid-template-columns: 44px minmax(0, 1fr) auto; gap: 18px; }
  .bwb3-list__sub { grid-column: 2 / 4; margin-top: 7px; }
  .bwb3-list__side { grid-column: 3; grid-row: 1; text-align: right; }
}

@media (max-width: 980px) {
  .bwb3-hero__grid { grid-template-columns: 1fr; }
  .bwb3-arthead { grid-template-columns: 1fr; gap: 22px; align-items: start; }
  .bwb3-arthead__meta { display: flex; flex-wrap: wrap; gap: 10px 20px; padding-bottom: 0; }
  .bwb3-about { grid-template-columns: 1fr; gap: 34px; }
  .bwb3-portrait { position: static; max-width: 240px; }
  .bwb3-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  :root { --bwb3-gutter: 18px; }
  .bwb3-hero { padding: 56px 0 44px; }
  .bwb3-section { padding: 50px 0; }
  .bwb3-feature { grid-template-columns: 1fr; gap: 18px; padding: 26px; }
  .bwb3-feature__no { font-size: 42px; }
  .bwb3-list a { grid-template-columns: 38px minmax(0, 1fr); gap: 14px; padding: 20px 2px; }
  .bwb3-list__sub { grid-column: 2; }
  .bwb3-list__side { grid-column: 2; grid-row: auto; text-align: left; padding-top: 0; }
  .bwb3-list__side b { display: inline; }
  .bwb3-arthead h1 { font-size: clamp(34px, 9.5vw, 50px); }
  .bwb3-prose { font-size: 17px; }
  .bwb3-prose > p:first-child { font-size: 19px; }
  .bwb3-refs__grid, .bwb3-related__grid { grid-template-columns: 1fr; }
  .bwb3-facts { grid-template-columns: 1fr; }
  .bwb3-links { columns: 1; }
  .bwb3-talk { grid-template-columns: 48px minmax(0, 1fr); gap: 18px; }
  .bwb3-talk__no { font-size: 26px; }
  .bwb3-quicknav .bwb3-shell { gap: 8px 14px; }
  .bwb3-quicknav nav { gap: 7px 14px; }
}