/* ============================================================
   4iGov — "Practitioner Journal"
   Monochrome greyscale. Clean near-white paper, near-black ink,
   greys for hierarchy — no colour. Newsreader serif headlines,
   Libre Franklin sans body. Hairlines do the structural work.
   Signal (live vs. in-development) is solid-black vs. hollow-grey,
   never a hue.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Newsreader:ital,opsz,wght@0,6..72,300;0,6..72,400;0,6..72,500;1,6..72,300;1,6..72,400&family=Libre+Franklin:wght@400;500;600&display=swap');

:root {
  /* paper & ink — crisp, faintly warm so it never reads clinical */
  --paper:        #FFFEFC;   /* the brighter index paper, now global */
  --paper-raised: #FFFFFF;
  --ink:          #131210;
  --ink-soft:     #4C4A45;
  --ink-faint:    #8C8983;
  --rule:         #E2E0DA;
  --rule-strong:  #C9C6BE;

  /* no accent hue — "accent" is simply ink. Kept as a token so
     every emphasis stays monochrome and consistent. */
  --accent:       #131210;
  --accent-deep:  #000000;
  --accent-wash:  rgba(19,18,16,0.045);

  --serif: 'Newsreader', Georgia, 'Times New Roman', serif;
  --sans:  'Libre Franklin', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --measure: 1120px;   /* page frame */
  --read: 640px;       /* reading column */
}

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

html { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  font-weight: 400;
}

::selection { background: var(--accent); color: var(--paper); }

a { color: inherit; text-decoration: none; }

/* ---- frame ---- */
.frame { max-width: var(--measure); margin: 0 auto; padding: 0 48px; }

/* ============================================================
   MASTHEAD
   ============================================================ */
.masthead {
  display: flex; align-items: baseline; justify-content: space-between;
  padding: 30px 0 22px;
  border-bottom: 1px solid var(--ink);
}
.wordmark {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
  display: inline-flex; align-items: baseline; gap: 1px;
}
.wordmark .i { font-style: italic; font-weight: 400; }
.wordmark .dot { color: var(--accent); }
.masthead-meta {
  font-size: 0.7rem; font-weight: 500; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--ink-faint);
}

.nav { display: flex; align-items: baseline; gap: 30px; }
.nav a {
  font-size: 0.78rem; font-weight: 500; letter-spacing: 0.02em;
  color: var(--ink-soft); position: relative; padding-bottom: 2px;
  transition: color 0.18s;
}
.nav a:hover { color: var(--ink); }
.nav a.active { color: var(--ink); }
.nav a.active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 1.5px; background: var(--accent);
}

/* ============================================================
   EDITORIAL TYPE
   ============================================================ */
.eyebrow {
  font-family: var(--sans);
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--accent);
}
.eyebrow.muted { color: var(--ink-faint); }

.display {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.4rem, 5.4vw, 4.1rem);
  line-height: 1.04;
  letter-spacing: -0.018em;
  color: var(--ink);
  text-wrap: balance;
}
.display em { font-style: italic; }
.display .accent { color: var(--accent); }

.standfirst {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(1.15rem, 1.9vw, 1.5rem);
  line-height: 1.5;
  color: var(--ink-soft);
  text-wrap: pretty;
}

.section-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.6rem, 2.6vw, 2.1rem);
  line-height: 1.12;
  letter-spacing: -0.012em;
}

.lede { font-size: 1.18rem; line-height: 1.6; color: var(--ink); }

p.body { color: var(--ink-soft); }
p.body + p.body { margin-top: 1.1em; }
.body a.link { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.body a.link:hover { color: var(--accent-deep); }

/* a hairline section divider with a leading numeral, like a journal */
.section-head {
  display: flex; align-items: baseline; gap: 18px;
  padding-top: 18px; border-top: 1px solid var(--ink);
  margin-bottom: 34px;
}
.section-num {
  font-family: var(--sans); font-weight: 600;
  font-size: 0.72rem; letter-spacing: 0.16em; color: var(--accent);
  padding-top: 4px;
}
.section-label {
  font-family: var(--sans); font-weight: 600;
  font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-faint); padding-top: 4px;
}

/* ============================================================
   THE WORK — editorial index rows (not glossy cards)
   ============================================================ */
.index-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 32px;
  padding: 26px 0;
  border-top: 1px solid var(--rule);
  align-items: baseline;
  transition: background 0.18s;
}
.index-row:hover { background: var(--accent-wash); }
.index-row.muted { opacity: 0.6; }
.index-name {
  font-family: var(--serif); font-size: 1.5rem; font-weight: 400;
  letter-spacing: -0.01em; line-height: 1.15;
  display: inline-flex; align-items: baseline; gap: 12px;
}
.index-desc {
  grid-column: 1 / 2;
  color: var(--ink-soft); font-size: 1.02rem; line-height: 1.55;
  max-width: 56ch; margin-top: 6px;
}
.index-aside {
  grid-row: 1 / 3; grid-column: 2 / 3;
  text-align: right; display: flex; flex-direction: column; align-items: flex-end; gap: 10px;
  white-space: nowrap;
}
.status {
  font-family: var(--sans); font-size: 0.66rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-faint);
  display: inline-flex; align-items: center; gap: 7px;
}
.status .pip { width: 6px; height: 6px; border-radius: 50%; background: var(--ink-faint); }
.status.live { color: var(--accent); }
.status.live .pip { background: var(--accent); }
.row-link {
  font-family: var(--sans); font-size: 0.8rem; font-weight: 600;
  color: var(--ink); border-bottom: 1.5px solid var(--accent); padding-bottom: 1px;
}
.index-row:hover .row-link { color: var(--accent); }

/* ============================================================
   WRITING — contents list
   ============================================================ */
.contents-item {
  display: grid; grid-template-columns: 2.4rem 1fr auto; gap: 20px;
  padding: 16px 0; border-top: 1px solid var(--rule); align-items: baseline;
  transition: background 0.18s;
}
.contents-item:hover { background: var(--accent-wash); }
.contents-no { font-family: var(--sans); font-size: 0.8rem; font-weight: 600; color: var(--accent); }
.contents-title { font-family: var(--serif); font-size: 1.18rem; line-height: 1.3; }
.contents-meta { font-family: var(--sans); font-size: 0.72rem; letter-spacing: 0.04em; color: var(--ink-faint); text-align: right; white-space: nowrap; }

/* ============================================================
   ABOUT — dossier definition list
   ============================================================ */
.dossier { display: grid; grid-template-columns: 200px 1fr; gap: 0; }
.dossier-row {
  display: contents;
}
.dossier-term {
  font-family: var(--sans); font-weight: 600; font-size: 0.72rem;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent);
  padding: 30px 0; border-top: 1px solid var(--rule);
}
.dossier-def {
  padding: 30px 0; border-top: 1px solid var(--rule);
  font-size: 1.1rem; line-height: 1.7; color: var(--ink);
}
.dossier-def.serif { font-family: var(--serif); }

/* pull statement */
.pull {
  font-family: var(--serif); font-style: italic; font-weight: 300;
  font-size: clamp(1.5rem, 3vw, 2.2rem); line-height: 1.34;
  color: var(--ink); letter-spacing: -0.01em; text-wrap: balance;
  border-left: 2px solid var(--accent); padding-left: 32px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  border-top: 1px solid var(--ink);
  margin-top: 12px; padding: 40px 0 56px;
  display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; flex-wrap: wrap;
}
.footer-block { font-size: 0.82rem; color: var(--ink-soft); line-height: 1.7; }
.footer-block strong { font-family: var(--serif); font-weight: 500; color: var(--ink); display: block; font-size: 1rem; margin-bottom: 4px; }
.footer-block a { color: var(--accent); border-bottom: 1px solid var(--rule-strong); }
.footer-block a:hover { border-color: var(--accent); }
.footer-fine { font-size: 0.7rem; letter-spacing: 0.04em; color: var(--ink-faint); }

/* ============================================================
   ENTRANCE — none. Content is always at its visible end-state.
   Restraint reads as confidence; it also keeps print, PDF, and
   every static capture identical to the live page. The .rise /
   .is-loaded hooks remain in markup as harmless no-ops.
   ============================================================ */

@media (max-width: 820px) {
  .frame { padding: 0 24px; }
  .nav { gap: 18px; }
  .masthead-meta { display: none; }
  .index-row { grid-template-columns: 1fr; }
  .index-aside { grid-row: auto; grid-column: 1; text-align: left; align-items: flex-start; flex-direction: row; gap: 18px; margin-top: 12px; }
  .dossier { grid-template-columns: 1fr; }
  .dossier-term { padding-bottom: 0; border-bottom: none; }
  .dossier-def { padding-top: 8px; border-top: none; }
  .dossier-row .dossier-term { border-top: 1px solid var(--rule); }
  .product { grid-template-columns: 1fr; gap: 18px; }
  .product-aside { position: static; }
  .includes { grid-template-columns: 1fr; }
  .article { padding: 0; }
  .nav a.back { display: none; }
}

/* ============================================================
   PRODUCTS — editorial spreads (label column + content)
   ============================================================ */
.product {
  display: grid; grid-template-columns: 200px 1fr; gap: 40px;
  padding: 48px 0; border-top: 1px solid var(--ink);
}
.product:first-of-type { border-top: 1px solid var(--ink); }
.product.muted { opacity: 0.52; }
.product-aside { position: sticky; top: 30px; align-self: start; }
.product-index {
  font-family: var(--serif); font-size: 2.4rem; font-weight: 300;
  color: var(--ink-faint); line-height: 1; margin-bottom: 18px;
}
.product-version { font-family: var(--sans); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-soft); display: block; margin-bottom: 8px; }
.product-name { font-family: var(--serif); font-size: clamp(1.9rem, 3vw, 2.6rem); font-weight: 400; letter-spacing: -0.015em; line-height: 1.08; margin-bottom: 14px; }
.product-tagline { font-family: var(--serif); font-style: italic; font-weight: 300; font-size: 1.28rem; line-height: 1.45; color: var(--ink-soft); margin-bottom: 22px; max-width: 46ch; }
.product-desc { font-size: 1.05rem; line-height: 1.65; color: var(--ink); max-width: 58ch; margin-bottom: 30px; }

.includes-label, .overlays-label {
  font-family: var(--sans); font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-faint);
  margin-bottom: 14px;
}
.includes { display: grid; grid-template-columns: 1fr 1fr; gap: 0 36px; margin-bottom: 32px; }
.include {
  padding: 16px 0; border-top: 1px solid var(--rule);
  display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: baseline;
}
.include-no { font-family: var(--sans); font-size: 0.7rem; font-weight: 600; color: var(--ink-faint); }
.include strong { font-family: var(--serif); font-weight: 500; font-size: 1.05rem; display: block; margin-bottom: 3px; }
.include span { color: var(--ink-soft); font-size: 0.92rem; line-height: 1.5; }

.overlays { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 30px; }
.chip {
  font-family: var(--sans); font-size: 0.66rem; font-weight: 500; letter-spacing: 0.06em;
  padding: 5px 11px; border: 1px solid var(--rule-strong); color: var(--ink-soft); border-radius: 1px;
}
.chip.on { border-color: var(--ink); color: var(--ink); }
.chip.soon { color: var(--ink-faint); border-style: dashed; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--sans); font-size: 0.78rem; font-weight: 600; letter-spacing: 0.04em;
  color: var(--paper); background: var(--ink); padding: 12px 22px; border: 1px solid var(--ink);
  border-radius: 1px; transition: background 0.18s, color 0.18s;
}
.btn:hover { background: transparent; color: var(--ink); }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { background: var(--ink); color: var(--paper); }

/* compact project / case-study rows reuse .index-row */
.minor-name { font-family: var(--serif); font-size: 1.3rem; }

/* ============================================================
   ARTICLE — long-form reading (serif body, journal furniture)
   ============================================================ */
.article { max-width: var(--read); margin: 0 auto; padding: 0; }
.article-meta { display: flex; align-items: center; gap: 14px; margin-bottom: 26px; }
.article-meta .series { font-family: var(--sans); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink); }
.article-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--ink-faint); }
.article-meta .info { font-family: var(--sans); font-size: 0.72rem; letter-spacing: 0.04em; color: var(--ink-faint); }
.article-title { font-family: var(--serif); font-weight: 400; font-size: clamp(2.2rem, 4.4vw, 3.2rem); line-height: 1.08; letter-spacing: -0.018em; margin-bottom: 22px; text-wrap: balance; }
.article-standfirst { font-family: var(--serif); font-style: italic; font-weight: 300; font-size: 1.3rem; line-height: 1.5; color: var(--ink-soft); padding-bottom: 40px; margin-bottom: 40px; border-bottom: 1px solid var(--ink); }
.article-body p { font-family: var(--serif); font-size: 1.18rem; line-height: 1.72; color: var(--ink); margin-bottom: 1.4rem; }
.article-body em { font-style: italic; }
.article-body h2 {
  font-family: var(--sans); font-size: 0.74rem; font-weight: 600; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--ink); margin: 3rem 0 1.3rem; padding-bottom: 12px;
  border-bottom: 1px solid var(--rule-strong);
}
.article-body aside { border-left: 2px solid var(--ink); padding: 4px 0 4px 28px; margin: 2.4rem 0; }
.article-body aside p { font-family: var(--serif); font-style: italic; font-weight: 300; font-size: 1.32rem; line-height: 1.5; color: var(--ink); margin: 0; }
.references { margin-top: 3.5rem; padding-top: 2rem; border-top: 1px solid var(--ink); }
.references h2 { font-family: var(--sans); font-size: 0.74rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink); margin-bottom: 1.6rem; }
.ref-item { display: grid; grid-template-columns: 1.6rem 1fr; gap: 8px; margin-bottom: 1.1rem; }
.ref-num { font-family: var(--sans); font-size: 0.78rem; font-weight: 600; color: var(--ink); }
.ref-text { font-size: 0.82rem; line-height: 1.6; color: var(--ink-soft); }
.ref-text a { color: var(--ink); text-decoration: underline; text-underline-offset: 2px; word-break: break-all; }
.article .footer-note { font-family: var(--serif); font-style: italic; font-size: 0.92rem; color: var(--ink-faint); line-height: 1.6; margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--rule); }
.nav a.back { font-family: var(--sans); font-size: 0.78rem; font-weight: 500; color: var(--ink-soft); }
.nav a.back:hover { color: var(--ink); }

/* ============================================================
   NAVIGATOR — the tool, in the editorial monochrome system
   ============================================================ */
.nav-app { display: grid; grid-template-columns: 320px 1fr; gap: 56px; padding: 64px 0 40px; align-items: start; }
.nav-query { position: sticky; top: 30px; }
.nav-query .eyebrow { display: block; margin-bottom: 24px; }
.field { margin-bottom: 22px; }
.field label { display: block; font-family: var(--sans); font-size: 0.68rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 9px; }
.field select {
  width: 100%; appearance: none; -webkit-appearance: none;
  font-family: var(--serif); font-size: 1.08rem; color: var(--ink);
  background: var(--paper-raised); border: none; border-bottom: 1px solid var(--ink);
  border-radius: 0; padding: 9px 28px 9px 0; cursor: pointer; outline: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%), linear-gradient(135deg, var(--ink) 50%, transparent 50%);
  background-position: calc(100% - 9px) 16px, calc(100% - 4px) 16px;
  background-size: 5px 5px, 5px 5px; background-repeat: no-repeat;
}
.field select:focus { border-bottom-color: var(--ink); }
.nav-note { font-size: 0.82rem; line-height: 1.6; color: var(--ink-soft); margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--rule); }
.nav-note b { color: var(--ink); font-weight: 600; }
.legend-row { display: flex; align-items: baseline; gap: 10px; margin-top: 12px; }
.legend-mark { font-family: var(--sans); font-weight: 700; font-size: 0.9rem; width: 16px; flex-shrink: 0; }
.legend-row span:last-child { font-size: 0.84rem; color: var(--ink-soft); line-height: 1.4; }

/* results */
.nav-results { min-height: 60vh; }
.nav-empty { display: flex; flex-direction: column; justify-content: center; min-height: 50vh; max-width: 40ch; }
.nav-empty .big { font-family: var(--serif); font-style: italic; font-weight: 300; font-size: 1.8rem; line-height: 1.4; color: var(--ink-faint); }
.results-head { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; padding-bottom: 16px; border-bottom: 1px solid var(--ink); margin-bottom: 6px; flex-wrap: wrap; }
.results-context { font-family: var(--serif); font-size: 1.3rem; }
.results-count { font-family: var(--sans); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-faint); }
.tabbar { display: flex; gap: 4px; margin: 20px 0 8px; flex-wrap: wrap; }
.tabbar button {
  font-family: var(--sans); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.04em;
  padding: 7px 14px; border: 1px solid var(--rule-strong); background: transparent; color: var(--ink-soft);
  border-radius: 1px; cursor: pointer; transition: all 0.15s;
}
.tabbar button:hover { border-color: var(--ink-soft); color: var(--ink); }
.tabbar button.active { background: var(--ink); border-color: var(--ink); color: var(--paper); }

.gap-callout { border: 1px solid var(--ink); padding: 18px 22px; margin: 22px 0 4px; background: var(--accent-wash); }
.gap-callout b { font-family: var(--sans); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; display: block; margin-bottom: 6px; }
.gap-callout p { font-family: var(--serif); font-size: 1.02rem; line-height: 1.5; color: var(--ink); margin: 0; }

.reg {
  border-top: 1px solid var(--rule); padding: 22px 0;
}
.reg-head { display: grid; grid-template-columns: 1fr auto; gap: 16px; align-items: start; cursor: pointer; }
.reg-name { font-family: var(--serif); font-size: 1.3rem; line-height: 1.25; }
.reg-code { font-family: var(--sans); font-size: 0.72rem; letter-spacing: 0.04em; color: var(--ink-faint); margin-top: 4px; }
.reg-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; }
.tag {
  font-family: var(--sans); font-size: 0.62rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 3px 8px; border: 1px solid var(--rule-strong); color: var(--ink-soft); border-radius: 1px;
}
.tag.solid { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.tag.gap { border-color: var(--ink); color: var(--ink); border-style: dashed; }
.reg-level { font-family: var(--sans); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; white-space: nowrap; text-align: right; }
.reg-level .mark { font-size: 1rem; display: block; margin-bottom: 3px; }
.reg-toggle { font-family: var(--serif); font-size: 1.4rem; color: var(--ink-faint); line-height: 1; margin-left: 4px; }
.reg-body { margin-top: 18px; display: none; }
.reg.open .reg-body { display: block; }
.reg.open { border-left: 2px solid var(--ink); padding-left: 22px; }
.reg-field { margin-bottom: 16px; }
.reg-field h4 { font-family: var(--sans); font-size: 0.66rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 6px; }
.reg-field p { font-family: var(--serif); font-size: 1.05rem; line-height: 1.6; color: var(--ink); margin: 0; }
.gap-conditions { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin: 16px 0; }
.gap-conditions div { border: 1px dashed var(--rule-strong); padding: 12px 14px; }
.gap-conditions h5 { font-family: var(--sans); font-size: 0.6rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink); margin-bottom: 5px; }
.gap-conditions span { font-family: var(--serif); font-style: italic; font-size: 0.92rem; color: var(--ink-soft); line-height: 1.4; }
.reg-source { display: flex; justify-content: space-between; padding-top: 12px; border-top: 1px solid var(--rule); margin-top: 12px; }
.reg-source a { font-family: var(--sans); font-size: 0.76rem; font-weight: 600; color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.reg-source span { font-family: var(--sans); font-size: 0.72rem; color: var(--ink-faint); }

@media (max-width: 820px) {
  .nav-app { grid-template-columns: 1fr; gap: 32px; }
  .nav-query { position: static; }
  .gap-conditions { grid-template-columns: 1fr; }
}

/* ============================================================
   v2 ADDITIONS — scalable IA furniture: breadcrumb sub-bar,
   Products tab bar, project & case cards, Writing pillars.
   Pure warm monochrome, hairlines, square status marks.
   ============================================================ */

/* square status marks: filled = live/available, hollow = in development */
.status .pip { border-radius: 0; }
.status .pip.hollow { background: transparent; box-shadow: inset 0 0 0 1px var(--ink); }

/* breadcrumb sub-bar, sits directly under the masthead */
.subbar { display: flex; align-items: baseline; gap: 6px; padding: 12px 0 0; flex-wrap: wrap; }
.crumb { font-family: var(--sans); font-size: 0.74rem; font-weight: 500; letter-spacing: 0.02em; color: var(--ink-faint); }
.crumb.here { color: var(--ink); }
.subbar .sep { color: var(--rule-strong); font-size: 0.74rem; }
.subbar .back { margin-left: auto; font-family: var(--sans); font-size: 0.74rem; font-weight: 500; color: var(--ink-soft); }
.subbar .back:hover { color: var(--ink); }

/* page opening block */
.opening { padding: 80px 0 60px; max-width: 940px; }
.opening .meta-line { font-family: var(--sans); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-faint); margin-top: 26px; }

/* ---- Products: tab bar (the only tabbed surface; namespaced to avoid the Navigator's .tabbar) ---- */
.ptabs { display: flex; gap: 0; border-bottom: 1px solid var(--ink); margin-bottom: 4px; flex-wrap: wrap; }
.ptab { font-family: var(--sans); font-size: 0.76rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-faint); background: none; border: none; padding: 14px 22px; cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; transition: color 0.18s, border-color 0.18s; }
.ptab:hover { color: var(--ink); }
.ptab.active { color: var(--ink); border-bottom-color: var(--ink); }
.ptab .ct { font-size: 0.62rem; color: var(--ink-faint); margin-left: 7px; vertical-align: 1px; }
.ptab-panel { display: none; }
.ptab-panel.active { display: block; }

/* ---- Projects card ---- */
.work-card { border: 1px solid var(--rule-strong); padding: 32px 34px; margin-top: 30px; }
.work-meta { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.work-name { font-family: var(--serif); font-size: 1.55rem; font-weight: 400; letter-spacing: -0.01em; margin-bottom: 12px; }
.work-desc { color: var(--ink-soft); font-size: 1rem; line-height: 1.65; max-width: 72ch; margin-bottom: 20px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.tag { font-family: var(--sans); font-size: 0.66rem; font-weight: 500; letter-spacing: 0.04em; padding: 5px 11px; border: 1px solid var(--rule-strong); color: var(--ink-soft); }
.gh { display: inline-flex; align-items: center; gap: 8px; font-family: var(--sans); font-size: 0.74rem; font-weight: 600; color: var(--ink); border: 1px solid var(--ink); padding: 9px 16px; transition: background 0.18s, color 0.18s; }
.gh:hover { background: var(--ink); color: var(--paper); }
.gh svg { width: 15px; height: 15px; }
.collab { border-top: 1px solid var(--rule); margin-top: 24px; padding-top: 18px; display: flex; align-items: center; gap: 14px; }
.collab-avatar { width: 38px; height: 38px; border: 1px solid var(--rule-strong); display: flex; align-items: center; justify-content: center; font-family: var(--serif); font-weight: 500; font-size: 0.82rem; flex-shrink: 0; }
.collab-name { font-size: 0.86rem; font-weight: 500; margin-bottom: 2px; }
.collab-links { font-family: var(--sans); font-size: 0.74rem; color: var(--ink-faint); }
.collab-links a { color: var(--ink); border-bottom: 1px solid var(--rule-strong); }
.collab-links a:hover { border-color: var(--ink); }

/* ---- Case study card ---- */
.case { border: 1px solid var(--rule-strong); margin-top: 30px; }
.case-head { padding: 26px 30px; border-bottom: 1px solid var(--rule); }
.case-kicker { font-family: var(--sans); font-size: 0.66rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 8px; }
.case-role { font-family: var(--serif); font-size: 1.4rem; line-height: 1.2; margin-bottom: 8px; }
.case-org { font-family: var(--sans); font-size: 0.78rem; color: var(--ink-soft); }
.case-body { padding: 26px 30px; }
.case-label { font-family: var(--sans); font-size: 0.66rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-faint); margin: 0 0 10px; }
.case-label + .case-sum { margin-top: 0; }
.case-sum { font-family: var(--serif); font-size: 1rem; line-height: 1.7; color: var(--ink); margin-bottom: 24px; max-width: 76ch; }
.prep { display: flex; flex-direction: column; }
.prep-item { display: flex; align-items: baseline; justify-content: space-between; gap: 18px; padding: 16px 0; border-top: 1px solid var(--rule); }
.prep-name { font-family: var(--serif); font-size: 1.05rem; margin-bottom: 4px; }
.prep-desc { color: var(--ink-soft); font-size: 0.9rem; line-height: 1.5; max-width: 66ch; }
.prep-link { font-family: var(--sans); font-size: 0.72rem; font-weight: 600; color: var(--ink); border-bottom: 1.5px solid var(--ink); white-space: nowrap; flex-shrink: 0; }

/* ---- Writing: stacked pillars ---- */
.pillar { margin-bottom: 44px; }
.pillar-head { padding-top: 18px; border-top: 3px solid var(--ink); margin-bottom: 4px; }
.pillar-eyebrow { font-family: var(--sans); font-size: 0.7rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 8px; }
.pillar-name { font-family: var(--serif); font-size: 1.7rem; font-weight: 400; letter-spacing: -0.01em; line-height: 1.12; margin-bottom: 8px; }
.pillar-desc { font-family: var(--serif); font-style: italic; font-weight: 300; font-size: 1.05rem; line-height: 1.5; color: var(--ink-soft); max-width: 62ch; margin-bottom: 6px; }
.wrow { display: grid; grid-template-columns: 2.6rem 1fr auto; gap: 22px; padding: 16px 0; border-top: 1px solid var(--rule); align-items: baseline; transition: background 0.15s; }
a.wrow:hover { background: var(--accent-wash); }
.wno { font-family: var(--sans); font-size: 0.76rem; font-weight: 600; color: var(--ink-faint); }
.wtitle { font-family: var(--serif); font-size: 1.18rem; line-height: 1.3; }
.wsub { font-family: var(--sans); font-size: 0.64rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-faint); margin-top: 5px; }
.wdate { font-family: var(--sans); font-size: 0.72rem; letter-spacing: 0.04em; color: var(--ink-faint); white-space: nowrap; text-align: right; }
.wrow.upcoming { opacity: 0.5; }
.wrow.upcoming .wtitle { font-style: italic; color: var(--ink-soft); }

@media (max-width: 820px) {
  .ptab { padding: 12px 14px; }
  .work-card, .case-head, .case-body { padding-left: 22px; padding-right: 22px; }
  .wrow { grid-template-columns: 2rem 1fr; }
  .wdate { grid-column: 2; text-align: left; margin-top: 4px; }
  .prep-item { flex-direction: column; gap: 8px; }
}

/* article-body: cover any markup variation across the essays */
.article-body ul, .article-body ol { margin: 0 0 1.4rem 1.5rem; }
.article-body li { font-family: var(--serif); font-size: 1.18rem; line-height: 1.7; color: var(--ink); margin-bottom: 0.5rem; }
.article-body strong { font-weight: 600; color: var(--ink); }
.article-body a { color: var(--ink); text-decoration: underline; text-underline-offset: 2px; }
.article-body h3 { font-family: var(--serif); font-size: 1.45rem; font-weight: 500; line-height: 1.2; margin: 2.2rem 0 1rem; letter-spacing: -0.01em; }
.article-body blockquote { border-left: 2px solid var(--ink); padding-left: 26px; margin: 2.2rem 0; font-style: italic; color: var(--ink); }

/* dpdp-ai article: monochrome scorecard + figure blocks */
.scorecard { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--ink); margin: 2.4rem 0; }
.scorecard-cell { padding: 22px 22px 24px; border-right: 1px solid var(--rule); }
.scorecard-cell:last-child { border-right: none; }
.scorecard-right { font-family: var(--sans); font-size: 0.7rem; font-weight: 600; letter-spacing: 0.1em; color: var(--ink-faint); }
.scorecard-section { font-family: var(--serif); font-size: 1.2rem; margin: 6px 0 14px; }
.scorecard-status { font-family: var(--sans); font-size: 0.66rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; display: inline-flex; align-items: center; gap: 8px; margin-bottom: 14px; }
.scorecard-status::before { content: ''; width: 8px; height: 8px; background: var(--ink); flex: none; }
.scorecard-status.status-constrained::before { background: transparent; box-shadow: inset 0 0 0 1px var(--ink); }
.scorecard-gap { font-size: 0.9rem; line-height: 1.55; color: var(--ink-soft); }
.visual-block { margin: 2.6rem 0; border: 1px solid var(--rule-strong); }
.visual-label { font-family: var(--sans); font-size: 0.66rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-faint); padding: 14px 18px; border-bottom: 1px solid var(--rule); }
.visual-block svg { display: block; width: 100%; height: auto; padding: 22px 18px; box-sizing: border-box; }
.article-footnote { font-family: var(--sans); font-size: 0.84rem; line-height: 1.6; color: var(--ink-faint); border-top: 1px solid var(--rule); margin-top: 2.6rem; padding-top: 18px; }
@media (max-width: 820px) { .scorecard { grid-template-columns: 1fr; } .scorecard-cell { border-right: none; border-bottom: 1px solid var(--rule); } }

/* statement template (T7): about / research / roadmap-prose */
.statement { display: flex; flex-direction: column; }
.statement-row { display: grid; grid-template-columns: 200px 1fr; gap: 40px; padding: 28px 0; border-top: 1px solid var(--rule); }
.statement-row:last-child { border-bottom: 1px solid var(--rule); }
.statement-label { font-family: var(--sans); font-size: 0.66rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-faint); padding-top: 3px; }
.statement-text { font-family: var(--serif); font-size: 1.08rem; line-height: 1.75; color: var(--ink); max-width: var(--read); }
.statement-text + .statement-text { margin-top: 1em; }
.statement-text .link, .statement-text a { color: var(--ink); border-bottom: 1px solid var(--rule-strong); }
.statement-text .link:hover, .statement-text a:hover { border-color: var(--ink); }

/* roadmap timeline rows */
.phase { padding-top: 18px; border-top: 3px solid var(--ink); margin: 44px 0 4px; display: flex; align-items: baseline; gap: 16px; }
.phase-q { font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.06em; color: var(--ink); }
.phase-label { font-family: var(--sans); font-size: 0.7rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-faint); }
.tl-row { display: grid; grid-template-columns: 150px 1fr 150px; gap: 28px; padding: 22px 0; border-top: 1px solid var(--rule); align-items: baseline; }
.tl-status { font-family: var(--sans); font-size: 0.66rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft); display: inline-flex; align-items: center; gap: 8px; }
.tl-status::before { content: ''; width: 8px; height: 8px; background: var(--ink); flex: none; }
.tl-row.building .tl-status::before, .tl-row.planned .tl-status::before { background: transparent; box-shadow: inset 0 0 0 1px var(--ink); }
.tl-row.planned { opacity: 0.6; }
.tl-name { font-family: var(--serif); font-size: 1.28rem; line-height: 1.25; }
.tl-desc { color: var(--ink-soft); font-size: 0.95rem; line-height: 1.55; margin-top: 8px; }
.tl-meta { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.04em; color: var(--ink-faint); text-align: right; }
@media (max-width: 820px) {
  .statement-row { grid-template-columns: 1fr; gap: 10px; }
  .tl-row { grid-template-columns: 1fr; gap: 8px; }
  .tl-meta { text-align: left; }
}

/* research areas */
.ra-row { display: grid; grid-template-columns: 56px 1fr; gap: 0 24px; padding: 26px 0; border-top: 1px solid var(--rule); }
.ra-row:first-of-type { border-top: 3px solid var(--ink); }
.ra-n { font-family: var(--serif); font-size: 1.5rem; color: var(--ink-faint); line-height: 1; }
.ra-title { font-family: var(--serif); font-size: 1.4rem; letter-spacing: -0.01em; margin-bottom: 8px; }
.ra-body { color: var(--ink-soft); font-size: 0.98rem; line-height: 1.62; max-width: 66ch; }
.ra-frameworks { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.03em; color: var(--ink-faint); margin-top: 12px; }
@media (max-width: 820px) { .ra-row { grid-template-columns: 1fr; gap: 6px; } }