/* Footnote Fleet v0.4.1 (bajayacht.net). Own design system: "register / reference book" -- white paper, black ink,
   chartreuse used only as a highlighter (footnote marks, changed figures), Archivo (variable width) and monospaced figures
   (IBM Plex Mono). v0.4.1 home: a title page + table of contents with leader dots (no hero banner, no number strip). */
@font-face { font-family: "Archivo"; src: url("fonts/archivo-var-latin.woff2") format("woff2"); font-weight: 100 900; font-stretch: 62% 125%; font-display: swap; }
@font-face { font-family: "Plex Mono"; src: url("fonts/plexmono-400-latin.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Plex Mono"; src: url("fonts/plexmono-600-latin.woff2") format("woff2"); font-weight: 600; font-display: swap; }

:root {
  --ink: #15181c; --ink-2: #2a2f36; --paper: #ffffff; --mist: #eef1ee; --rule: #d3d8dc; --muted: #4f5761;
  --signal: #c6f135; --signal-ink: #15181c; --green: #0b5d44; --green-dark: #08452f; --warn-bg: #fff6d6; --warn-rule: #b98900;
  --sans: "Archivo", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --mono: "Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --gut: 16px; --max: 1200px;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 1rem/1.6 var(--sans); font-stretch: 100%; }
img, svg { max-width: 100%; }
a { color: var(--green); text-underline-offset: .18em; text-decoration-thickness: 1px; }
a:hover { color: var(--green-dark); text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--green); outline-offset: 2px; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.vh { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff; padding: .6rem 1rem; z-index: 10; }
.skip:focus { left: 8px; top: 8px; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gut); }
.narrow { max-width: 760px; }

.stage-bar p { margin: 0; }
.stage-bar { margin: 0; background: var(--signal); color: var(--signal-ink); font: 600 .78rem/1.4 var(--mono); text-align: center; padding: .4rem var(--gut); }

/* masthead */
.mast { border-bottom: 1px solid var(--ink); background: var(--paper); }
.mast__in { max-width: var(--max); margin: 0 auto; padding: .7rem var(--gut); display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1.5rem; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--ink); text-decoration: none; }
.brand:hover { color: var(--ink); }
.brand__mark { width: 47px; height: 27px; color: var(--ink); flex: none; }
.brand__accent { stroke: #5f8000; }
.brand__name { font: 800 1.15rem/1 var(--sans); font-stretch: 72%; letter-spacing: .06em; text-transform: uppercase; display: flex; gap: .35em; }
.brand__name span { font-weight: 400; }
.nav { display: flex; flex-wrap: wrap; gap: .1rem .2rem; margin: 0 -.5rem; }
.nav a { color: var(--ink); text-decoration: none; font: 600 .95rem/1 var(--sans); padding: .6rem .5rem; border-bottom: 3px solid transparent; }
.nav a:hover { border-bottom-color: var(--rule); }
.nav a[aria-current="page"] { border-bottom-color: var(--ink); }

/* type */
.eyebrow { font: 600 .78rem/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin: 0 0 .6rem; }
.h1 { font: 800 clamp(2rem, 6vw, 3.4rem)/1 var(--sans); font-stretch: 72%; margin: 0 0 .8rem; letter-spacing: -.005em; }
.h1--model { font-size: clamp(2.6rem, 9vw, 5rem); text-transform: uppercase; }
.sect-title { font: 700 clamp(1.45rem, 3.4vw, 2rem)/1.1 var(--sans); font-stretch: 88%; letter-spacing: -.01em; margin: 0 0 .7rem; }
.h3 { font: 700 1.25rem/1.2 var(--sans); font-stretch: 85%; margin: 0 0 .7rem; }
.lede { font-size: 1.12rem; color: var(--ink-2); max-width: 46rem; margin: 0 0 1rem; }
.fineprint { font-size: .85rem; color: var(--muted); margin: .8rem 0 0; }

/* buttons */
.btn { display: inline-block; font: 700 .95rem/1 var(--sans); padding: .85rem 1.15rem; border: 2px solid var(--ink); background: var(--ink); color: #fff; text-decoration: none; margin: 0 .4rem .5rem 0; cursor: pointer; }
.btn:hover { background: var(--ink-2); color: #fff; }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--mist); color: var(--ink); }
.textlink { font-weight: 700; margin-left: .4rem; }

/* blocks */
.block { padding: 3rem var(--gut); }
.block--tight { padding-top: 1.2rem; padding-bottom: 1.8rem; }
.pagehead { padding-top: 2.2rem; padding-bottom: 1rem; }

/* home v0.4.1: title page (TB-3) */
.titlepage { border-bottom: 4px double var(--ink); }
.titlepage__in { padding-top: 2rem; padding-bottom: 1.4rem; }
.runhead { font: 600 .72rem/1.5 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); text-align: center; margin: 0 0 1.1rem; }
.runhead span { white-space: nowrap; }
.runhead span + span::before { content: "\00b7"; margin: 0 .7em; }
.tp-title { font: 700 clamp(2.15rem, 5.4vw, 3.9rem)/1.06 var(--sans); font-stretch: 90%; letter-spacing: -.022em; text-align: center; margin: 0 auto .9rem; max-width: 15ch; text-wrap: balance; }
.fn-mark { font-size: .36em; line-height: 0; vertical-align: super; margin-left: .12em; }
.fn-mark a { display: inline-block; font: 600 1em/1 var(--mono); padding: .2em .38em .16em; background: var(--signal); color: var(--signal-ink); text-decoration: none; border-radius: 2px; }
.fn-mark a:hover { background: var(--ink); color: #fff; }
.tp-lede { font-size: 1.12rem; line-height: 1.55; color: var(--ink-2); text-align: center; max-width: 42rem; margin: 0 auto 1.1rem; text-wrap: pretty; }
.tp-figure { margin: 0 auto; max-width: 470px; }
.tp-figure svg { display: block; width: 100%; height: auto; color: var(--ink); overflow: visible; }
.tp-figure .tp-guide { stroke: #8c959e; }
.tp-figure .tp-dim { color: var(--ink-2); }
.tp-figure .tp-arc { stroke: var(--green); }
.tp-label { font: 600 13px var(--mono); letter-spacing: .06em; fill: var(--ink); }
.tp-fn { font: 600 9px var(--mono); fill: var(--green); }
.tp-note { font: 400 11px var(--mono); fill: var(--muted); }
.tp-figure figcaption { font: 400 .78rem/1.4 var(--mono); color: var(--muted); text-align: center; margin-top: .35rem; }
.tp-foot { max-width: 62rem; margin: 1.3rem 0 0; font-size: .86rem; line-height: 1.5; color: var(--ink-2); }
.tp-foot::before { content: ""; display: block; width: 6rem; border-top: 1px solid var(--ink); margin-bottom: .6rem; }
.tp-foot p { margin: 0; }
.fn-num { font: 600 .74rem/1 var(--mono); background: var(--signal); color: var(--signal-ink); padding: .12em .32em; margin-right: .45em; border-radius: 2px; vertical-align: .1em; }
.fn-back { margin-left: .2em; }

/* home v0.4.1: contents with leader dots */
.contents { padding: 2rem 0 .6rem; }
.contents__head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: .4rem 2rem; margin-bottom: 1.3rem; }
.contents__title { font: 600 .95rem/1 var(--mono); letter-spacing: .24em; text-transform: uppercase; margin: 0; }
.contents__note { margin: 0; color: var(--muted); font-size: .92rem; max-width: 44rem; }
.contents__cols { display: grid; grid-template-columns: 1fr; gap: 1.8rem 2.8rem; }
.toc__line { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; font: 700 1.18rem/1.2 var(--sans); font-stretch: 88%; margin: 0 0 .2rem; padding-bottom: .4rem; border-bottom: 2px solid var(--ink); }
.toc__line a { color: var(--ink); text-decoration: none; }
.toc__line a:hover { text-decoration: underline; }
.toc__n { font: 400 .74rem/1 var(--mono); color: var(--muted); white-space: nowrap; }
.toc__list { list-style: none; margin: 0; padding: 0; }
.toc__row { display: flex; align-items: baseline; gap: .45rem; padding: .44rem 0; color: var(--ink); text-decoration: none; }
.toc__name { font-weight: 600; }
.toc__lead { flex: 1 1 1.5rem; min-width: 1.5rem; border-bottom: 2px dotted #a2aab2; transform: translateY(-.3em); }
.toc__fig { font: 400 .92rem/1 var(--mono); font-variant-numeric: tabular-nums; padding: .12em .2em; }
.toc__row:hover .toc__name { text-decoration: underline; text-underline-offset: .18em; }
.toc__row:hover .toc__fig, .toc__row:focus-visible .toc__fig { background: var(--signal); }

/* home v0.4.1: changed figures */
.changes { padding-top: 2.4rem; padding-bottom: 1.2rem; }
.sect-head { border-bottom: 2px solid var(--ink); margin-bottom: 0; }
.sect-note { margin: 0 0 .9rem; color: var(--muted); max-width: 46rem; }
.chglist { list-style: none; margin: 0; padding: 0; }
.chglist li { border-bottom: 1px solid var(--rule); }
.chg__row { display: grid; grid-template-columns: 1fr; gap: .15rem 1.2rem; padding: .85rem 0; color: var(--ink); text-decoration: none; }
.chg__row:hover .chg__model { text-decoration: underline; }
.chg__model { font-weight: 700; }
.chg__line { font: 400 .74rem var(--mono); color: var(--muted); margin-left: .4em; }
.chg__field { color: var(--ink-2); }
.chg__vals { font-family: var(--mono); font-variant-numeric: tabular-nums; display: flex; flex-wrap: wrap; align-items: baseline; gap: .2rem .5rem; }
.chg__vals small { display: block; font-size: .72rem; color: var(--muted); }
.chg__from, .chg__to { display: inline-block; }
.chg__to { background: #eef9c8; padding: 0 .3em; }
.chg__arrow { display: inline-block; width: 1.6rem; height: .7rem; border-bottom: 2px solid var(--ink); position: relative; }
.chg__arrow::after { content: ""; position: absolute; right: -1px; bottom: -6px; border: 5px solid transparent; border-left: 7px solid var(--ink); border-right: 0; }

/* log band + ledger */
.logband { background: var(--mist); border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); padding: 2.6rem 0; }
.logband__grid { display: grid; gap: 1.6rem; }
.ledger { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--ink); background: #fff; }
.ledger li { border-bottom: 1px solid var(--rule); }
.ledger__row { display: grid; grid-template-columns: 5.5rem 1fr; gap: .2rem 1rem; padding: .9rem .8rem; color: var(--ink); text-decoration: none; }
a.ledger__row:hover { background: var(--signal); color: var(--ink); }
.ledger__boat { grid-column: 2; color: var(--muted); font-size: .9rem; }
.ledger__row--empty { color: var(--muted); background: repeating-linear-gradient(0deg, #fff 0 27px, #f3f5f3 27px 28px); }
.ledger--page { margin-top: .4rem; }
.empty__h { font: 700 1.2rem/1.3 var(--sans); margin: 0 0 .6rem; }

/* rules */
.rules__dl { margin: 0 0 1.2rem; display: grid; gap: 0; }
.rules__dl div { border-left: 3px solid var(--ink); padding: .3rem 0 .3rem 1rem; margin-bottom: 1rem; }
.rules__dl dt { font: 700 1.1rem/1.3 var(--sans); }
.rules__dl dd { margin: .2rem 0 0; color: var(--ink-2); max-width: 44rem; }

/* notes and placeholders */
.placeholder { background: var(--warn-bg); border: 1px dashed var(--warn-rule); padding: .8rem 1rem; max-width: 52rem; }
.note { border-left: 4px solid var(--ink); padding: .2rem 0 .2rem .8rem; color: var(--ink-2); max-width: 52rem; }
.alert { background: #ffe9e6; border-left: 4px solid #a3200f; padding: .7rem 1rem; }

/* filters + crumbs */
.filters { display: flex; flex-wrap: wrap; gap: .4rem; margin: 1rem 0 0; }
.filters a { font: 600 .85rem/1 var(--sans); padding: .55rem .75rem; border: 1px solid var(--ink); color: var(--ink); text-decoration: none; }
.filters a[aria-current="true"] { background: var(--ink); color: #fff; }
.filters a:hover { background: var(--signal); color: var(--ink); }
.crumbs { font-size: .9rem; margin-bottom: .8rem; color: var(--muted); }

/* tables */
.tablewrap { overflow-x: auto; border-top: 3px solid var(--ink); -webkit-overflow-scrolling: touch;
  /* TB-8 (v0.4.1): scroll shadows show that a wide table continues sideways (they move with the content) */
  background: linear-gradient(to right, var(--paper) 30%, rgba(255, 255, 255, 0)) left center / 40px 100% no-repeat,
    linear-gradient(to left, var(--paper) 30%, rgba(255, 255, 255, 0)) right center / 40px 100% no-repeat,
    radial-gradient(farthest-side at 0 50%, rgba(21, 24, 28, .25), rgba(21, 24, 28, 0)) left center / 14px 100% no-repeat,
    radial-gradient(farthest-side at 100% 50%, rgba(21, 24, 28, .25), rgba(21, 24, 28, 0)) right center / 14px 100% no-repeat;
  background-attachment: local, local, scroll, scroll; }
.scrollhint { display: none; margin: 0 0 .5rem; font: 600 .76rem/1.4 var(--mono); color: var(--muted); }
.tablewrap:focus-visible { outline-offset: 4px; }
table { border-collapse: collapse; width: 100%; }
caption { text-align: left; font: 600 .8rem/1.3 var(--mono); color: var(--muted); padding: .6rem 0; caption-side: top; }
.ledger-table th, .ledger-table td { padding: .65rem .6rem .65rem 0; border-bottom: 1px solid var(--rule); text-align: left; vertical-align: baseline; white-space: nowrap; }
.ledger-table thead th { font: 600 .75rem/1.2 var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); border-bottom: 1px solid var(--ink); }
.ledger-table tbody th { font-weight: 700; }
.ledger-table tbody tr:hover { background: var(--mist); }
.num { text-align: right !important; }
.spec-table th, .spec-table td { padding: .7rem .8rem .7rem 0; border-bottom: 1px solid var(--rule); text-align: left; vertical-align: top; }
.spec-table thead th { font-weight: 600; font-size: .85rem; border-bottom: 1px solid var(--ink); min-width: 9.5rem; }
.spec-table thead th:first-child { min-width: 8rem; }
.spec-table__lab { font-weight: 400; color: var(--muted); }
.spec-table td { font-size: 1rem; white-space: normal; overflow-wrap: break-word; }
.spec-table .metric { display: block; font-size: .78rem; color: var(--muted); }
.spec-table tr.is-changed th, .spec-table tr.is-changed td { background: #f5fbdc; }
.spec-table thead th { vertical-align: bottom; }
.flag { display: inline-block; font: 600 .66rem/1 var(--mono); text-transform: uppercase; letter-spacing: .06em; background: var(--signal); color: var(--signal-ink); padding: .2rem .35rem; margin-left: .2rem; vertical-align: middle; }
.gap { color: var(--muted); font-family: var(--sans); font-size: .85rem; font-style: italic; }

.engines { display: grid; gap: 1rem; }
.engines__h { font: 600 .78rem/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; margin: 0 0 .4rem; }
.engines ul { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink); }
.engines li { padding: .5rem 0; border-bottom: 1px solid var(--rule); font-size: .9rem; overflow-wrap: anywhere; }

.sources-mini ol, .srclist { padding-left: 1.4rem; margin: 0; }
.sources-mini li { margin-bottom: .5rem; font-size: .9rem; overflow-wrap: anywhere; }
.srclist li { margin-bottom: .9rem; font-size: .9rem; overflow-wrap: anywhere; }
.srclist p { margin: 0; }
.srclist__t { font-weight: 700; }
.srclist__s { color: var(--muted); }
.plainlist { padding-left: 1.2rem; max-width: 48rem; }
.plainlist li { margin-bottom: .45rem; }
.prose p { max-width: 46rem; }

/* compare + forms */
.compare-form { display: grid; gap: .8rem; margin-top: 1.2rem; max-width: 52rem; }
.field { margin: 0 0 1.1rem; }
.field label { display: block; font-weight: 700; margin-bottom: .3rem; }
.field__hint { margin: 0 0 .35rem; font-size: .88rem; color: var(--muted); }
.field input[type="text"], .field input:not([type]), .field input[type="email"], .field input[type="date"], .field select, .field textarea {
  width: 100%; font: 400 1rem/1.4 var(--sans); padding: .7rem .75rem; border: 1px solid var(--ink); border-radius: 0; background: #fff; color: var(--ink); }
.field textarea { resize: vertical; }
.field [aria-invalid="true"] { border: 2px solid #a3200f; }
.field__err { color: #a3200f; font-weight: 600; font-size: .9rem; margin: .3rem 0 0; }
.field--half { max-width: 16rem; }
.field--check { display: grid; grid-template-columns: auto 1fr; gap: .2rem .6rem; align-items: start; }
.field--check input { width: 1.3rem; height: 1.3rem; margin: .15rem 0 0; accent-color: var(--ink); }
.field--check label { font-weight: 400; margin: 0; }
.field--check .field__err { grid-column: 2; }
.field--btn { align-self: end; }
.field--btn .btn { margin: 0; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.tripform { margin-top: 1.4rem; }

.entry { padding-top: 2rem; padding-bottom: 2rem; }
.entry__meta { display: grid; grid-template-columns: 1fr 1fr; border-top: 2px solid var(--ink); margin: 0 0 1.4rem; }
.entry__meta div { padding: .6rem 0; border-bottom: 1px solid var(--rule); }
.entry__meta dt { font: 600 .72rem/1 var(--mono); text-transform: uppercase; color: var(--muted); }
.entry__meta dd { margin: .25rem 0 0; }
.msg { padding-top: 3rem; padding-bottom: 3rem; }

/* AdEngine banner (v0.4.0; PLAN-2026-10-16 section 3): one slot after </main> on public pages only. The label and the reserved
   height live on the <ins>, so when tag.js hides an unfilled slot (style.display = none) the label and the space go with it. */
.ae-slot { margin: 0; padding: 0; }
.ae-slot ins.adengine { display: block; max-width: 728px; min-height: 110px; margin: 32px auto; text-align: center; text-decoration: none; }
.ae-slot ins.adengine::before { content: "Advertisement"; display: block; margin-bottom: 4px; font: 600 11px/16px var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.ae-slot ins.adengine a { display: inline-block; vertical-align: top; }
.ae-slot ins.adengine img { max-width: 100%; height: auto; }
.ae-slot:has(> ins.adengine[style*="display: none"]) { display: none; }
@media (max-width: 767px) { .ae-slot ins.adengine { max-width: 300px; min-height: 270px; } }
@media print { .ae-slot { display: none; } }

/* footer */
.foot { background: var(--ink); color: #d6dce1; margin-top: 2.5rem; font-size: .9rem; }
.foot__in { max-width: var(--max); margin: 0 auto; padding: 2rem var(--gut) 2.2rem; display: grid; gap: 1.2rem; }
.foot a { color: #fff; }
.foot a:hover { color: var(--signal); }
.foot__brand { font: 800 1.1rem/1 var(--sans); font-stretch: 72%; text-transform: uppercase; letter-spacing: .06em; color: #fff; margin: 0 0 .5rem; }
.foot__ind { color: #fff; font-weight: 600; margin: 0 0 .5rem; }
.foot__brand span { font: 400 .75rem var(--mono); color: #aeb7bf; letter-spacing: 0; }
.foot__col p { margin: 0; max-width: 34rem; }
.foot__legal { margin: 0; color: #c3cad1; max-width: 46rem; }
.foot__links { display: flex; flex-wrap: wrap; gap: .4rem 1.1rem; }

@media (min-width: 700px) {
  :root { --gut: 28px; }
  .contents__cols { grid-template-columns: 1fr 1fr; }
  .chg__row { grid-template-columns: minmax(10rem, 1.1fr) minmax(7rem, .8fr) 2fr; align-items: baseline; }
  .titlepage__in { padding-top: 2.4rem; }
  .compare-form { grid-template-columns: 1fr 1fr auto; }
  .engines { grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr)); }
  .srclist--cols { columns: 2; column-gap: 2.5rem; }
  .srclist--cols li { break-inside: avoid; }
  .entry__meta { grid-template-columns: repeat(4, 1fr); }
}
@media (min-width: 1000px) {
  .contents__cols { grid-template-columns: repeat(3, 1fr); }
  .logband__grid { grid-template-columns: 1fr 1.3fr; gap: 3rem; align-items: start; }
  .foot__in { grid-template-columns: 1fr 1.2fr; }
  .foot__links { grid-column: 1 / -1; border-top: 1px solid #3a4148; padding-top: 1rem; }
}
@media (max-width: 899px) { .scrollhint { display: block; } }
@media (max-width: 599px) { .tp-label { font-size: 19px; } .tp-fn { font-size: 13px; } .tp-note { font-size: 16px; } .runhead span { display: block; } .runhead span + span::before { content: none; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }
@media print { .mast, .foot, .stage-bar, .btn { display: none; } body { color: #000; } }