/* ==========================================================================
   WTH — Documentation
   The whitepaper and the investor deck, rebuilt as one reference page.
   Layered on styles.css: same tokens, same type, same black, same one accent.
   Nothing here re-declares a colour — it all comes from the site's variables.
   ========================================================================== */

/* ── 1. Page frame ─────────────────────────────────────────────────────── */

/* Read progress, a hairline above the chrome. The front page has the
   hexagon charge; a reference page has a scroll bar's honest job instead —
   how much of a long document is left. It is the only thing that moves. */
.docprog {
  position: fixed; top: 0; left: 0; right: 0;
  height: 2px; z-index: 80;
  pointer-events: none;
}
.docprog i {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg,
    color-mix(in srgb, var(--pink) 35%, transparent), var(--pink));
  box-shadow: 0 0 10px -1px color-mix(in srgb, var(--pink) 70%, transparent);
}

/* the way back to the site, same gesture as the dashboard's: a bare chevron
   ahead of the mark, and pink only on hover so it never competes with it */
.chrome-left { display: flex; align-items: center; gap: .7rem; min-width: 0; }
.icon-btn.back:hover { border-color: var(--pink); color: var(--pink); }
.icon-btn.back svg { stroke-width: 2; }

.docs-wrap {
  max-width: var(--col-page);
  margin: 0 auto;
  padding: 0 var(--s4);
}

/* ── 2. Masthead ───────────────────────────────────────────────────────── */

.doc-mast { padding: calc(var(--s7) + .25rem) 0 var(--s5); }

.doc-mast h1 {
  font-family: var(--display);
  font-size: clamp(2.1rem, 5vw, 3.15rem);
  font-weight: 600; letter-spacing: -.035em; line-height: 1.04;
  margin: 0;
}
.doc-mast h1 em { font-style: normal; color: var(--pink); }

.doc-mast-lead {
  max-width: 34em;
  margin: var(--s3) 0 0;
  font-size: 1.2rem; line-height: 1.55;
  color: var(--ink-2);
}

/* the document's own vital signs: what it is, when it was cut, what it
   supersedes — the strip a reader checks before trusting anything below */
.doc-meta {
  display: flex; flex-wrap: wrap; gap: 0;
  margin-top: var(--s5);
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  background: color-mix(in srgb, var(--paper-2) 82%, transparent);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .05);
  overflow: hidden;
}
.doc-meta > div {
  flex: 1 1 11rem; min-width: 0;
  padding: .85rem 1.1rem;
  border-right: 1px solid var(--rule);
}
/* an address that ends in an ellipsis is worse than no address — the two
   hex cells take the width they need before anything else is shared out */
.doc-meta > div.addr-cell { flex: 2.1 1 21rem; }
.doc-meta > div:last-child { border-right: 0; }
.doc-meta .k {
  display: block;
  font-size: .56rem; letter-spacing: .16em; color: var(--ink-3);
  margin-bottom: .35rem;
}
.doc-meta .v {
  display: block;
  font-family: var(--mono); font-size: .78rem; color: var(--ink);
  overflow: hidden; text-overflow: ellipsis;
}
.doc-meta .v.sm { font-size: .63rem; letter-spacing: 0; color: var(--ink-2); }
.doc-meta button.v {
  background: none; border: 0; padding: 0; cursor: pointer;
  text-align: left; width: 100%;
  transition: color var(--dur) var(--ease);
}
.doc-meta button.v:hover { color: var(--pink); }
.doc-meta button.v.ok { color: var(--pink); }

/* the two doors into the document, the same pair the whitepaper opens with */
.doc-doors {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--s2);
  margin-top: var(--s2);
}
.doc-door {
  display: block;
  padding: 1.15rem 1.25rem 1.05rem;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.doc-door:hover { border-color: var(--rule-2); }
.doc-door.pink { background: var(--pink-soft); border-color: color-mix(in srgb, var(--pink) 42%, transparent); }
.doc-door.pink:hover { border-color: var(--pink); }
.doc-door .dd-k { font-size: .58rem; letter-spacing: .16em; color: var(--berry); }
.doc-door h3 {
  font-family: var(--display); font-size: 1.05rem; font-weight: 600;
  letter-spacing: -.02em; margin: .5rem 0 .35rem; color: var(--ink);
}
.doc-door p {
  margin: 0; font-size: .88rem; line-height: 1.5; color: var(--ink-2);
}
.doc-door .dd-go {
  display: inline-flex; align-items: center; gap: .4em;
  margin-top: .9rem;
  font-family: var(--mono); font-size: .58rem; letter-spacing: .14em;
  color: var(--berry);
}
.doc-door .dd-go span { transition: transform var(--dur) var(--ease); }
.doc-door:hover .dd-go span { transform: translateX(4px); }

/* ── 3. The two-column shell: contents rail + the document ─────────────── */

.doc-shell {
  display: grid;
  grid-template-columns: 232px minmax(0, 1fr);
  gap: var(--s6);
  padding-bottom: var(--s7);
  border-top: 1px solid var(--rule);
  padding-top: var(--s5);
}

.doc-rail { position: sticky; top: 74px; align-self: start; }
.doc-nav > summary { display: none; }        /* desktop: always open, no control */
.doc-nav-in {
  max-height: calc(100vh - 110px);
  overflow-y: auto;
  padding-right: .4rem;
  scrollbar-width: thin;
  scrollbar-color: var(--rule-2) transparent;
}
.doc-nav-in::-webkit-scrollbar { width: 6px; }
.doc-nav-in::-webkit-scrollbar-thumb { background: var(--rule-2); border-radius: 3px; }

/* ── 3b. Keyword search ────────────────────────────────────────────────
   Everything is already in the DOM, so the index is built from the page
   itself on load — no second copy of the text to keep in sync, and no
   request to make. The rail shows either the contents or the results,
   never both: two competing lists in one narrow column read as noise. */

.doc-search {
  display: flex; align-items: center; gap: .55rem;
  padding: .5rem .65rem;
  margin-bottom: var(--s3);
  border: 1px solid var(--rule-2);
  border-radius: 8px;
  background: color-mix(in srgb, var(--paper-2) 82%, transparent);
  transition: border-color var(--dur) var(--ease);
}
.doc-search:focus-within { border-color: color-mix(in srgb, var(--pink) 55%, transparent); }
.doc-search svg {
  width: 14px; height: 14px; flex: none;
  fill: none; stroke: var(--ink-3); stroke-width: 2;
  stroke-linecap: round; stroke-linejoin: round;
}
.doc-search:focus-within svg { stroke: var(--berry); }
.doc-search input {
  flex: 1; min-width: 0;
  background: none; border: 0; outline: none; padding: 0;
  font-family: var(--display); font-size: .84rem; font-weight: 500;
  color: var(--ink);
}
.doc-search input::placeholder { color: var(--ink-3); }
.doc-search input::-webkit-search-cancel-button,
.doc-search input::-webkit-search-decoration { -webkit-appearance: none; appearance: none; }
.doc-search kbd {
  flex: none;
  font-size: .54rem; letter-spacing: .06em; color: var(--ink-3);
  border: 1px solid var(--rule-2); border-radius: 3px;
  padding: .12em .38em;
}

.doc-res { max-height: calc(100vh - 176px); overflow-y: auto; padding-right: .4rem; }
.doc-res-head {
  font-family: var(--mono); font-size: .55rem; letter-spacing: .16em;
  color: var(--ink-3);
  padding: 0 0 .5rem;
}
.doc-res a {
  display: block;
  padding: .45rem 0 .5rem .7rem;
  border-left: 1px solid var(--rule);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease);
}
.doc-res a .rt {
  display: flex; gap: .6rem; align-items: baseline;
  font-family: var(--display); font-size: .82rem; font-weight: 600;
  line-height: 1.3; color: var(--ink-2);
}
.doc-res a .rt .n { font-family: var(--mono); font-size: .6rem; color: var(--ink-3); flex: none; width: 1.4em; }
.doc-res a .rs {
  display: block; margin: .18rem 0 0 2rem;
  font-family: var(--display); font-size: .72rem; font-weight: 500;
  line-height: 1.45; color: var(--ink-3);
}
.doc-res b {
  color: var(--ink); font-weight: 700;
  background: color-mix(in srgb, var(--pink) 24%, transparent);
  border-radius: 2px;
}
.doc-res a:hover, .doc-res a.sel { border-left-color: var(--pink); }
.doc-res a:hover .rt, .doc-res a.sel .rt { color: var(--ink); }
.doc-res .none {
  font-family: var(--display); font-size: .8rem; line-height: 1.5;
  color: var(--ink-3);
  padding: .2rem 0 .2rem .7rem;
  border-left: 1px solid var(--rule);
}

/* every hit on the page lights up while a query is live — the browser paints
   the ranges itself, so no wrapper elements are injected into the document */
::highlight(docfind) {
  background: color-mix(in srgb, var(--pink) 34%, transparent);
  color: var(--ink);
}

.tocpart {
  font-size: .55rem; letter-spacing: .18em; color: var(--ink-3);
  padding: 0 0 .5rem;
  margin-top: var(--s3);
}
.tocpart:first-child { margin-top: 0; }
.doc-nav a {
  display: flex; gap: .6rem; align-items: baseline;
  padding: .34rem 0 .34rem .7rem;
  border-left: 1px solid var(--rule);
  font-family: var(--display); font-size: .82rem; font-weight: 500;
  line-height: 1.3; color: var(--ink-3);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.doc-nav a:hover { color: var(--ink-2); border-left-color: var(--rule-2); }
.doc-nav a .n {
  font-family: var(--mono); font-size: .6rem; color: var(--ink-3);
  flex: none; width: 1.4em;
}
.doc-nav a.on { color: var(--ink); border-left-color: var(--pink); }
.doc-nav a.on .n { color: var(--pink); }

/* ── 4. Sections ───────────────────────────────────────────────────────── */

.doc-body { min-width: 0; }

.doc-part {
  display: flex; align-items: center; gap: var(--s3);
  margin: var(--s7) 0 var(--s5);
  font-size: .6rem; letter-spacing: .2em; color: var(--ink-3);
}
.doc-part:first-child { margin-top: 0; }
.doc-part::after {
  content: ""; flex: 1; height: 1px;
  background: linear-gradient(90deg, var(--rule), transparent);
}
.doc-part b { color: var(--berry); font-weight: 400; }

.doc-sec { scroll-margin-top: 78px; padding-bottom: var(--s6); }
.doc-sec + .doc-sec { border-top: 1px solid var(--rule); padding-top: var(--s6); }

/* the section number sits in its own gutter and the kicker takes its
   baseline, so the eye reads "01 · OVERVIEW" as one line above the title */
.doc-head { display: flex; gap: var(--s3); align-items: baseline; }
.doc-no {
  flex: none;
  font-size: .82rem; font-weight: 700; color: var(--pink);
  letter-spacing: .04em;
}
.doc-htx { min-width: 0; }
.doc-head h2 {
  font-family: var(--display);
  font-size: clamp(1.45rem, 3vw, 1.95rem); font-weight: 600;
  letter-spacing: -.03em; line-height: 1.14;
  margin: 0;
}
.doc-kicker {
  display: block;
  font-family: var(--mono); font-size: .58rem; letter-spacing: .16em;
  color: var(--ink-3); font-weight: 400;
  margin-bottom: .55rem;
}
.doc-lead {
  max-width: 40em;
  margin: var(--s2) 0 0;
  font-size: 1.06rem; line-height: 1.6; color: var(--ink-2);
}
.doc-lead mark { color: var(--ink); }
.doc-p {
  max-width: 40em;
  margin: var(--s2) 0 0;
  font-size: .99rem; line-height: 1.65; color: var(--ink-2);
}
.doc-sec > .doc-lead, .doc-sec > .doc-p, .doc-sec > .doc-block { margin-left: calc(.82rem + var(--s3)); }
.doc-sec > .doc-block { margin-top: var(--s4); }

/* one column of stacked blocks under a heading */
.doc-block > * + * { margin-top: var(--s2); }
.doc-block > .doc-h3 { margin-top: var(--s4); }

.doc-h3 {
  font-family: var(--display); font-size: 1rem; font-weight: 600;
  letter-spacing: -.02em; color: var(--ink);
  margin: 0 0 .2rem;
}

/* ── 5. Cards, grids, callouts ─────────────────────────────────────────── */

.dgrid { display: grid; gap: var(--s2); }
.dgrid.c2 { grid-template-columns: 1fr 1fr; }
.dgrid.c3 { grid-template-columns: repeat(3, 1fr); }
.dgrid.c4 { grid-template-columns: repeat(4, 1fr); }

.doc-card {
  padding: 1.05rem 1.15rem 1.15rem;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  font-family: var(--display);
}
.doc-card.pink { background: var(--pink-soft); border-color: color-mix(in srgb, var(--pink) 40%, transparent); }
.doc-card .k {
  display: block;
  font-family: var(--mono); font-size: .56rem; letter-spacing: .16em;
  color: var(--berry); margin-bottom: .5rem;
}
.doc-card h4 {
  font-size: .97rem; font-weight: 600; letter-spacing: -.015em; line-height: 1.3;
  margin: 0 0 .4rem; color: var(--ink);
}
.doc-card p {
  margin: 0; font-size: .85rem; font-weight: 500; line-height: 1.5;
  color: var(--ink-2);
}
.doc-card p + p { margin-top: .5rem; }
@media (hover: hover) and (pointer: fine) {
  .doc-card:hover { border-color: var(--rule-2); }
}

/* the whitepaper's own device: a pink bar, a bold label, one line of sense */
.dnote {
  display: flex; gap: var(--s3); align-items: baseline;
  padding: .95rem 1.15rem;
  background: color-mix(in srgb, var(--paper-2) 90%, transparent);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--pink);
  border-radius: 0 var(--r-lg) var(--r-lg) 0;
  font-family: var(--display);
}
.dnote b {
  flex: none;
  font-size: .85rem; font-weight: 700; color: var(--ink);
  letter-spacing: -.01em;
}
.dnote span {
  font-size: .87rem; font-weight: 500; line-height: 1.5; color: var(--ink-2);
}
.dnote a, a.dlink {
  color: var(--berry); text-decoration: underline; text-underline-offset: 2px;
  transition: color var(--dur) var(--ease);
}
.dnote a:hover, a.dlink:hover { color: var(--pink); }

/* a small mono link that reads as a next step rather than a citation */
a.dgo {
  display: inline-flex; align-items: center; gap: .45em;
  margin-top: .9rem;
  font-family: var(--mono); font-size: .58rem; letter-spacing: .14em;
  color: var(--berry); text-decoration: none;
}
a.dgo span { transition: transform var(--dur) var(--ease); }
a.dgo:hover span { transform: translateX(4px); }

/* a literal string from another interface — a button name, a menu item */
.uiw {
  font-family: var(--mono); font-size: .84em; font-weight: 500;
  color: var(--ink);
  background: color-mix(in srgb, var(--ink) 8%, transparent);
  border: 1px solid var(--rule-2);
  border-radius: 4px;
  padding: .08em .4em;
  white-space: nowrap;
}

/* source lines — the deck cites its numbers, so the page does too */
.dsrc {
  margin: var(--s3) 0 0;
  padding-top: .6rem;
  border-top: 1px solid var(--rule);
  font-family: var(--mono); font-size: .58rem; line-height: 1.6;
  color: var(--ink-3);
}
.dsrc a { color: var(--ink-3); text-decoration: underline; text-underline-offset: 2px; }
.dsrc a:hover { color: var(--berry); }

/* ── 6. Numbers ────────────────────────────────────────────────────────── */

.doc-stats {
  display: grid; gap: 0;
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  background: color-mix(in srgb, var(--paper-2) 82%, transparent);
  overflow: hidden;
}
.doc-stats.c2 { grid-template-columns: 1fr 1fr; }
.doc-stats.c3 { grid-template-columns: repeat(3, 1fr); }
.doc-stats.c4 { grid-template-columns: repeat(4, 1fr); }
.doc-stat {
  padding: 1.15rem 1.2rem 1.2rem;
  border-right: 1px solid var(--rule);
  min-width: 0;
}
.doc-stat:last-child { border-right: 0; }
.doc-stat .v {
  display: block;
  font-family: var(--mono); font-weight: 700;
  font-size: clamp(1.3rem, 2.6vw, 1.8rem); letter-spacing: -.03em;
  color: var(--ink); line-height: 1.05;
}
.doc-stat .k {
  display: block; margin-top: .55rem;
  font-family: var(--mono); font-size: .56rem; letter-spacing: .15em;
  color: var(--berry);
}
.doc-stat .n {
  display: block; margin-top: .45rem;
  font-family: var(--display); font-size: .8rem; font-weight: 500;
  line-height: 1.4; color: var(--ink-3);
}
.doc-stat.hot { background: var(--pink-soft); }
.doc-stat.hot .v { color: var(--ink); }

/* ── 7. Tables ─────────────────────────────────────────────────────────── */

.dscroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.dscroll table { min-width: 620px; }

table.dtable {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--display);
  font-size: .86rem;
}
.dtable th, .dtable td {
  padding: .68rem .8rem;
  text-align: left;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}
.dtable thead th {
  font-family: var(--mono); font-weight: 400;
  font-size: .56rem; letter-spacing: .15em;
  color: var(--ink-3);
  border-bottom-color: var(--rule-2);
  white-space: nowrap;
}
.dtable tbody th {
  font-weight: 600; color: var(--ink); letter-spacing: -.01em;
}
.dtable td { color: var(--ink-2); font-weight: 500; }
.dtable td.num, .dtable th.num { font-family: var(--mono); text-align: right; white-space: nowrap; }
.dtable tbody tr:last-child th, .dtable tbody tr:last-child td { border-bottom: 0; }
.dtable tr.hl th, .dtable tr.hl td { background: var(--pink-soft); color: var(--ink); }
.dtable tr.tot th, .dtable tr.tot td {
  border-top: 1px solid var(--rule-2);
  color: var(--ink); font-weight: 700;
}
.dtable col.me { background: color-mix(in srgb, var(--pink) 5%, transparent); }
.dtable .wth { color: var(--berry); }

/* the sensitivity grid: cell tint carries the magnitude, --h set per cell */
.dtable.heat td.h {
  font-family: var(--mono); text-align: right;
  color: var(--ink);
  background: color-mix(in srgb, var(--pink) var(--h, 0%), transparent);
}

/* ── 8. Flow chains ────────────────────────────────────────────────────── */

/* left to right on a wide screen, top to bottom on a phone; the arrow is a
   pseudo-element so the steps stay plain boxes */
.dchain {
  display: grid;
  grid-auto-flow: column; grid-auto-columns: 1fr;
  gap: 30px;
}
.dchain .step {
  position: relative;
  padding: .95rem 1rem 1rem;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  font-family: var(--display);
  min-width: 0;
}
.dchain .step.hot { background: var(--pink-soft); border-color: color-mix(in srgb, var(--pink) 45%, transparent); }
.dchain .step .n {
  display: block;
  font-family: var(--mono); font-size: .56rem; letter-spacing: .16em;
  color: var(--berry); margin-bottom: .45rem;
}
.dchain .step b {
  display: block;
  font-size: .93rem; font-weight: 600; letter-spacing: -.015em; color: var(--ink);
}
.dchain .step i {
  display: block; margin-top: .3rem;
  font-style: normal; font-size: .8rem; font-weight: 500; line-height: 1.4;
  color: var(--ink-3);
}
.dchain .step + .step::before {
  content: ""; position: absolute;
  left: -21px; top: 50%; width: 12px; height: 1px;
  background: var(--ink-3);
}
.dchain .step + .step::after {
  content: ""; position: absolute;
  left: -10px; top: 50%; transform: translateY(-50%);
  border-top: 4px solid transparent; border-bottom: 4px solid transparent;
  border-left: 5px solid var(--ink-3);
}

/* the same idea, stacked and numbered — the integration and setup lists */
.dsteps { border-top: 1px solid var(--rule); }
.dstep {
  display: flex; align-items: baseline; gap: var(--s3);
  padding: .85rem 0;
  border-bottom: 1px solid var(--rule);
  font-family: var(--display);
}
.dstep .n {
  flex: none; width: 1.6em;
  font-family: var(--mono); font-size: 1.05rem; font-weight: 700;
  color: var(--berry); letter-spacing: -.02em;
}
.dstep .t { flex: 1; font-size: .93rem; font-weight: 600; letter-spacing: -.01em; line-height: 1.45; color: var(--ink); }
.dstep .t em { display: block; font-style: normal; font-weight: 500; font-size: .82rem; color: var(--ink-3); margin-top: .15rem; }

/* ── 9. The split bar ──────────────────────────────────────────────────── */

.dsplit + .dsplit { margin-top: var(--s3); }
.dsplit-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: var(--s2); margin-bottom: .55rem;
}
.dsplit-head .lab { font-family: var(--mono); font-size: .58rem; letter-spacing: .16em; color: var(--ink-3); }
.dbar {
  display: flex; height: 42px;
  border-radius: 4px; overflow: hidden;
  border: 1px solid var(--rule);
}
.dbar span {
  display: grid; place-items: center;
  font-family: var(--mono); font-size: .68rem; font-weight: 700;
  color: var(--ink); letter-spacing: -.01em;
  border-right: 1px solid var(--paper);
  overflow: hidden; white-space: nowrap;
}
.dbar span:last-child { border-right: 0; }
.dbar .s1 { background: var(--pink); color: var(--on-pink); }
.dbar .s2 { background: color-mix(in srgb, var(--pink) 52%, var(--paper-3)); }
.dbar .s3 { background: color-mix(in srgb, var(--pink) 20%, var(--paper-3)); color: var(--ink-2); }
.dlegend {
  display: flex; flex-wrap: wrap; gap: var(--s3);
  margin-top: .6rem;
  font-family: var(--mono); font-size: .58rem; letter-spacing: .1em; color: var(--ink-3);
}
.dlegend i { display: inline-block; width: 9px; height: 9px; border-radius: 2px; margin-right: .5em; vertical-align: -1px; }
.dlegend .s1 { background: var(--pink); }
.dlegend .s2 { background: color-mix(in srgb, var(--pink) 52%, var(--paper-3)); }
.dlegend .s3 { background: color-mix(in srgb, var(--pink) 20%, var(--paper-3)); }

/* ── 10. The growth chart ──────────────────────────────────────────────── */

.dchart {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  padding: 1.1rem 1.15rem .9rem;
}
.dchart-head {
  display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between;
  gap: var(--s2); margin-bottom: .8rem;
}
.dchart-head .t {
  font-family: var(--display); font-size: .95rem; font-weight: 600;
  letter-spacing: -.015em; color: var(--ink);
}
.dchart-keys { display: flex; gap: var(--s3); font-family: var(--mono); font-size: .58rem; letter-spacing: .12em; color: var(--ink-3); }
.dchart-keys i { display: inline-block; width: 14px; height: 2px; margin-right: .5em; vertical-align: 3px; border-radius: 2px; }
.dchart-keys .kb { background: var(--pink); }
.dchart-keys .kn { background: var(--ink); }
.dchart-keys .kr { background: var(--ink-3); }
.dchart svg { display: block; width: 100%; height: auto; overflow: visible; }

.gx { stroke: var(--rule); stroke-width: 1; }
.gx.zero { stroke: var(--rule-2); }
.glab { font-family: var(--mono); font-size: 15px; fill: var(--ink-3); }
.gline { fill: none; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.gline.bull { stroke: var(--pink); }
.gline.base { stroke: var(--ink); stroke-width: 1.8; }
.gline.bear { stroke: var(--ink-3); stroke-width: 1.6; stroke-dasharray: 6 5; }
.gdot { stroke: var(--paper-2); stroke-width: 2; }
.gdot.bull { fill: var(--pink); }
.gdot.base { fill: var(--ink); }
.gdot.bear { fill: var(--ink-3); }
.gend { font-family: var(--mono); font-size: 17px; font-weight: 700; }
.gend.bull { fill: var(--pink); }
.gend.base { fill: var(--ink); }
.gend.bear { fill: var(--ink-3); }
.gfill { fill: url(#gfade); }
/* the gradient stops take the brand token too, so the chart has no colour
   of its own anywhere */
.gstop-a { stop-color: var(--pink); stop-opacity: .18; }
.gstop-b { stop-color: var(--pink); stop-opacity: 0; }

/* ── 11. PESTLE / forces / matrix ──────────────────────────────────────── */

.dpestle { border-top: 1px solid var(--rule); }
.dpest {
  display: flex; gap: var(--s3); align-items: baseline;
  padding: .8rem 0;
  border-bottom: 1px solid var(--rule);
  font-family: var(--display);
}
.dpest .l {
  flex: none; width: 1.9rem; height: 1.9rem;
  display: grid; place-items: center;
  border: 1px solid color-mix(in srgb, var(--pink) 40%, transparent);
  border-radius: 5px;
  font-family: var(--mono); font-size: .78rem; font-weight: 700; color: var(--berry);
  align-self: flex-start;
}
.dpest .b { flex: 1; min-width: 0; }
.dpest .b b { display: block; font-size: .9rem; font-weight: 600; letter-spacing: -.01em; color: var(--ink); margin-bottom: .15rem; }
.dpest .b span { font-size: .85rem; font-weight: 500; line-height: 1.5; color: var(--ink-2); }

.dforce {
  display: flex; gap: var(--s3); align-items: baseline;
  padding: .7rem 0;
  border-bottom: 1px solid var(--rule);
  font-family: var(--display); font-size: .87rem; font-weight: 500;
  line-height: 1.5; color: var(--ink-2);
}
.dforce:first-child { border-top: 1px solid var(--rule); }
.dforce .n {
  flex: none; width: 22px; height: 22px; border-radius: 50%;
  background: var(--pink); color: var(--on-pink);
  font-family: var(--mono); font-size: .66rem; font-weight: 700;
  display: grid; place-items: center;
  align-self: flex-start;
}
.dforce b { color: var(--ink); font-weight: 600; }

/* the Ansoff square keeps its axis labels, or it is just four boxes */
.dmatrix { display: grid; grid-template-columns: auto 1fr 1fr; gap: .5rem var(--s2); align-items: stretch; }
.dmatrix .axis-x, .dmatrix .axis-y {
  font-family: var(--mono); font-size: .55rem; letter-spacing: .16em; color: var(--ink-3);
  display: grid; place-items: center;
}
.dmatrix .axis-y { writing-mode: vertical-rl; transform: rotate(180deg); }
.dmatrix .corner { }

/* ── 12. Closing + footer links ────────────────────────────────────────── */

.doc-close {
  margin-top: var(--s6);
  padding: var(--s5) var(--s4);
  text-align: center;
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 130% at 50% 130%, color-mix(in srgb, var(--pink) 18%, transparent), transparent 68%),
    var(--paper-2);
}
.doc-close h2 {
  font-family: var(--display);
  font-size: clamp(1.4rem, 3.4vw, 2rem); font-weight: 600;
  letter-spacing: -.032em; line-height: 1.14;
  margin: 0 auto; max-width: 16em;
}
.doc-close p {
  max-width: 30em; margin: var(--s3) auto 0;
  font-size: 1.02rem; line-height: 1.55; color: var(--ink-2);
}
.doc-close .row {
  display: flex; flex-wrap: wrap; gap: var(--s2); justify-content: center;
  margin-top: var(--s4);
}

/* ── 13. Small screens ─────────────────────────────────────────────────── */

@media (max-width: 1040px) {
  .doc-shell { grid-template-columns: 1fr; gap: var(--s4); }

  /* the rail becomes a bar under the chrome: the search stays reachable at
     all times, the contents fold away into a drawer beneath it */
  .doc-rail {
    position: sticky; top: 54px; z-index: 40;
    padding: .55rem 0;
    background: color-mix(in srgb, var(--paper) 92%, transparent);
    backdrop-filter: blur(12px) saturate(1.3);
    -webkit-backdrop-filter: blur(12px) saturate(1.3);
    /* a real edge, so a clipped results list reads as a panel that scrolls
       rather than as text that got cut off */
    border-bottom: 1px solid var(--rule);
  }
  .doc-search { margin-bottom: .55rem; }
  .doc-res { max-height: min(56vh, 400px); }
  .doc-nav {
    background: color-mix(in srgb, var(--paper-2) 88%, transparent);
    border: 1px solid var(--rule);
    border-radius: var(--r-lg);
  }
  .doc-nav > summary {
    display: flex; align-items: center; justify-content: space-between;
    gap: var(--s2);
    padding: .7rem .95rem;
    font-family: var(--mono); font-size: .6rem; letter-spacing: .16em;
    color: var(--ink-2);
    cursor: pointer; list-style: none;
  }
  .doc-nav > summary::-webkit-details-marker { display: none; }
  .doc-nav > summary::after {
    content: ""; width: 8px; height: 8px; flex: none;
    border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
    transform: translateY(-2px) rotate(45deg);
    transition: transform var(--dur) var(--ease);
  }
  .doc-nav[open] > summary::after { transform: translateY(1px) rotate(-135deg); }
  .doc-nav[open] > summary { border-bottom: 1px solid var(--rule); }
  .doc-nav-in { max-height: min(58vh, 420px); padding: .7rem .95rem .9rem; }
  .tocpart:first-child { margin-top: 0; }
}

@media (max-width: 860px) {
  .docs-wrap { padding: 0 var(--s3); }
  .doc-mast { padding-top: calc(var(--s6) + 2.2rem); }
  .doc-mast-lead { font-size: 1.05rem; }

  .doc-meta > div { flex-basis: 100%; border-right: 0; border-bottom: 1px solid var(--rule); }
  .doc-meta > div:last-child { border-bottom: 0; }

  .doc-doors { grid-template-columns: 1fr; }

  /* No gutter to spare on a phone: the number folds into the kicker line so
     the heading and the prose below it share one left edge. */
  .doc-sec > .doc-lead, .doc-sec > .doc-p, .doc-sec > .doc-block { margin-left: 0; }
  .doc-head { display: block; }
  .doc-head > .doc-no { display: none; }
  .doc-kicker[data-no]::before {
    content: attr(data-no) "  ·  ";
    color: var(--pink); font-weight: 700;
  }

  .dgrid.c2, .dgrid.c3, .dgrid.c4 { grid-template-columns: 1fr; }
  .doc-stats.c2, .doc-stats.c3, .doc-stats.c4 { grid-template-columns: 1fr 1fr; }
  .doc-stat { border-bottom: 1px solid var(--rule); }
  .doc-stat:nth-child(even) { border-right: 0; }

  /* the chain turns into a column, and the arrow turns with it */
  .dchain { grid-auto-flow: row; grid-auto-columns: auto; gap: 26px; }
  .dchain .step + .step::before {
    left: 50%; top: -19px; width: 1px; height: 11px;
  }
  .dchain .step + .step::after {
    left: 50%; top: -9px; transform: translateX(-50%);
    border-left: 4px solid transparent; border-right: 4px solid transparent;
    border-top: 5px solid var(--ink-3); border-bottom: 0;
  }

  .dbar { height: 38px; }
  .dbar span { font-size: .6rem; }

  .dmatrix { grid-template-columns: 1fr; }
  .dmatrix .axis-y, .dmatrix .axis-x, .dmatrix .corner { display: none; }

  .glab { font-size: 20px; }
  .gend { font-size: 22px; }

  .doc-close { padding: var(--s4) var(--s3); }
}

@media (max-width: 420px) {
  .doc-stats.c2, .doc-stats.c3, .doc-stats.c4 { grid-template-columns: 1fr; }
  .doc-stat { border-right: 0; }
}