:root {
  --paper: #ffffff;
  --paper-2: #faf7f7;
  --tint: #f2e8e6;
  --madder: #9d2f26;
  --madder-deep: #6f1f1a;
  --ink: #1f1c1b;
  --muted: #56504e;
  --rule: rgba(31, 28, 27, .22);
  --rule-soft: rgba(31, 28, 27, .11);
  --grid-line: rgba(31, 28, 27, .28);
  --warp-c: var(--madder);
  --weft-c: var(--tint);
  --caps: small-caps;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --wrap: 76rem;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --seam: clamp(4.5rem, 8vw, 8.5rem);
  --cell: clamp(10px, 2.2vw, 16px);
}

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

html { -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font: 400 clamp(1rem, .96rem + .2vw, 1.09rem)/1.62 var(--serif);
}

h1, h2, h3 { font-weight: 600; line-height: 1.14; letter-spacing: -.012em; margin: 0; text-wrap: balance; }
p { margin: 0 0 1em; }
p, dd, figcaption { text-wrap: pretty; }
a { color: var(--madder-deep); text-underline-offset: .18em; text-decoration-thickness: 1px; }
a:hover { color: var(--madder); }
b, strong { font-weight: 700; }
em { font-style: italic; }
:focus-visible { outline: 2px solid var(--madder); outline-offset: 3px; }
[id] { scroll-margin-top: 5.5rem; }

.defs { position: absolute; width: 0; height: 0; overflow: hidden; }
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }

.skip {
  position: absolute; left: -999px; top: 0; z-index: 40;
  background: var(--madder); color: #fff; padding: .7rem 1rem;
  font: 600 .8rem/1 var(--mono); text-transform: uppercase; letter-spacing: .08em;
}
.skip:focus { left: 0; outline: 2px solid #fff; outline-offset: -4px; }

.masthead {
  position: sticky; top: 0; z-index: 30;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
}
.masthead-in { display: flex; align-items: center; gap: 1rem; min-height: 4.1rem; }
.brand {
  display: flex; align-items: center; gap: .6rem; margin-right: auto;
  text-decoration: none; color: var(--ink);
}
.brand-mark { width: 1.35rem; height: 1.35rem; color: var(--madder); flex: none; }
.brand-text { display: flex; flex-direction: column; }
.brand-name { font: 600 1.06rem/1.1 var(--serif); font-variant-caps: var(--caps); letter-spacing: .04em; }
.brand-sub { font: 400 .62rem/1.3 var(--mono); text-transform: uppercase; letter-spacing: .14em; color: var(--muted); }
.nav { display: flex; gap: clamp(.9rem, 2vw, 1.7rem); }
.nav a {
  font: 500 .78rem/1 var(--mono); text-transform: uppercase; letter-spacing: .1em;
  color: var(--ink); text-decoration: none; padding: .45rem 0; border-bottom: 2px solid transparent;
}
.nav a:hover, .nav a:focus-visible { color: var(--madder-deep); border-bottom-color: var(--madder); }
.nav-toggle {
  display: none; align-items: center; gap: .5rem; background: none; cursor: pointer;
  border: 1px solid var(--rule); color: var(--ink); padding: .5rem .85rem;
  font: 500 .74rem/1 var(--mono); text-transform: uppercase; letter-spacing: .1em;
}
.nav-toggle::before { content: "☰"; color: var(--madder); }
.nav-toggle[aria-expanded="true"]::before { content: "✕"; }

.band {
  display: grid;
  grid-template-columns: 13rem minmax(0, 1fr);
  gap: 0 clamp(1.5rem, 3vw, 3rem);
  padding-block: var(--seam);
  border-top: 1px solid var(--rule-soft);
}
.band:first-child { border-top: 0; }
.rail { align-self: start; position: sticky; top: 5.4rem; }
.dateline {
  font: 500 .72rem/1 var(--mono); text-transform: uppercase; letter-spacing: .16em;
  color: var(--madder); margin: 0 0 .7rem;
}
.dateline-sub { font: 400 .72rem/1.4 var(--mono); letter-spacing: .1em; color: var(--muted); margin: 0; }
.rail h2 {
  font-size: clamp(1.3rem, 1.1rem + .6vw, 1.7rem); font-weight: 500;
  font-variant-caps: var(--caps); letter-spacing: .06em; color: var(--ink);
}
.rail-note { font: 400 .78rem/1.5 var(--sans); color: var(--muted); margin: .8rem 0 0; max-width: 16rem; }

.hero { grid-template-columns: 13rem minmax(0, 1fr) 13.5rem; padding-block: clamp(2.6rem, 6vw, 4.5rem) var(--seam); }
.hero h1 { font-size: clamp(1.95rem, 1.15rem + 2.8vw, 2.9rem); max-width: 22ch; }
.standfirst { margin: 1.4rem 0 1.8rem; font-size: 1.06em; max-width: 54ch; color: var(--ink); }
.contents { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); max-width: 34rem; }
.contents li { border-bottom: 1px solid var(--rule-soft); }
.contents a {
  display: block; padding: .62rem 0; text-decoration: none; color: var(--ink);
  font: 500 1.02rem/1.3 var(--serif); font-variant-caps: var(--caps); letter-spacing: .05em;
}
.contents a:hover, .contents a:focus-visible { color: var(--madder-deep); }
.specimens { display: grid; gap: 1rem; align-content: start; }
.spec { margin: 0; }
.spec svg { display: block; width: 100%; height: auto; border: 1px solid var(--rule); }
.spec figcaption {
  display: flex; justify-content: space-between; gap: .5rem; padding-top: .4rem;
  font: 500 .68rem/1.2 var(--mono); text-transform: uppercase; letter-spacing: .1em;
}
.spec span { color: var(--madder); }

.lede { font-size: 1.12em; max-width: 60ch; margin-bottom: 2rem; }
.plates {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: clamp(1.5rem, 3vw, 2.5rem);
}
.plate { margin: 0; background: var(--paper-2); border: 1px solid var(--rule); }
.fig { display: block; width: 100%; height: auto; background: var(--paper-2); }
.fig-hi { fill: none; stroke: var(--ink); stroke-width: 2; stroke-dasharray: 5 4; }
.fig-lead { stroke: var(--ink); stroke-width: 1; fill: none; }
.fig-warp { stroke: var(--madder); stroke-width: 2.2; fill: none; stroke-linejoin: round; }
.fig-t { font: 500 12px var(--mono); fill: var(--ink); letter-spacing: .04em; }
.plates figcaption {
  border-top: 1px solid var(--rule-soft); padding: .85rem 1rem 1rem;
  font: 400 .84rem/1.5 var(--sans); color: var(--muted);
}
.plates figcaption b { color: var(--madder-deep); font-family: var(--mono); }

.guides { border-top: 1px solid var(--rule); }
.guide { border-bottom: 1px solid var(--rule); }
.guide summary {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: .5rem 1rem; cursor: pointer;
  padding: 1.15rem 2.2rem 1.15rem 0; position: relative; list-style: none;
}
.guide summary::-webkit-details-marker { display: none; }
.guide summary::after {
  content: "+"; position: absolute; right: .2rem; top: 50%; transform: translateY(-50%);
  font: 400 1.4rem/1 var(--mono); color: var(--madder);
}
.guide[open] summary::after { content: "–"; }
.guide summary:hover .g-title { color: var(--madder-deep); }
.g-title {
  font: 500 clamp(1.15rem, 1rem + .5vw, 1.4rem)/1.2 var(--serif);
  font-variant-caps: var(--caps); letter-spacing: .06em;
}
.g-meta { font: 400 .72rem/1.4 var(--mono); letter-spacing: .06em; color: var(--muted); margin-left: auto; }
.g-body { padding: 0 0 1.6rem; max-width: 62ch; }
.g-body p { margin: 0 0 1.05em; }
.g-table { border-collapse: collapse; width: 100%; margin-top: 1.6rem; font-size: .92em; }
.g-table caption {
  text-align: left; padding-bottom: .5rem; color: var(--madder);
  font: 500 .7rem/1 var(--mono); text-transform: uppercase; letter-spacing: .12em;
}
.g-table th, .g-table td { text-align: left; padding: .5rem .8rem .5rem 0; border-top: 1px solid var(--rule-soft); }
.g-table thead th {
  font: 500 .7rem/1 var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--muted);
}
.g-table tbody th { font-family: var(--mono); color: var(--madder-deep); width: 5rem; }

.plate--wide { display: grid; }
.plate-head {
  display: flex; gap: 1rem; justify-content: space-between; padding: .7rem 1rem;
  border-bottom: 1px solid var(--madder); background: var(--paper); color: var(--muted);
  font: 500 .72rem/1.3 var(--mono); text-transform: uppercase; letter-spacing: .1em;
}
.plate-no { color: var(--madder); }
.plate-body {
  display: grid; grid-template-columns: minmax(0, 15rem) minmax(0, 1fr);
  gap: clamp(1rem, 2.5vw, 2rem); padding: clamp(1rem, 2.5vw, 1.6rem);
}
.wv-set { border: 0; border-top: 1px solid var(--rule); margin: 0 0 1.3rem; padding: .9rem 0 0; }
.wv-set legend {
  font: 500 .7rem/1 var(--mono); text-transform: uppercase; letter-spacing: .12em;
  color: var(--madder); padding: 0;
}
.chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.chip, .wv-swap { display: inline-flex; cursor: pointer; }
.chip input, .wv-swap input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.chip-in {
  display: inline-flex; align-items: center; gap: .5rem; padding: .42rem .6rem;
  border: 1px solid var(--rule); background: var(--paper); color: var(--ink);
  font: 500 .76rem/1.2 var(--mono); letter-spacing: .04em;
}
.chip-sw { width: 1.35rem; height: 1.35rem; border: 1px solid var(--rule-soft); flex: none; }
.chip input:checked + .chip-in, .wv-swap input:checked + .chip-in {
  background: var(--madder); color: #fff; border-color: var(--madder);
}
.chip input:focus-visible + .chip-in, .wv-swap input:focus-visible + .chip-in {
  outline: 2px solid var(--ink); outline-offset: 2px;
}
.wv-swap .chip-in::before { content: "⇄"; color: var(--madder); }
.wv-swap input:checked + .chip-in::before { color: inherit; }

.wv-draft {
  display: grid; grid-template-columns: max-content max-content;
  grid-template-areas: "th tu" "dd tr"; gap: .7rem; justify-content: start; align-items: start;
}
.wv-b--th { grid-area: th; } .wv-b--tu { grid-area: tu; }
.wv-b--dd { grid-area: dd; } .wv-b--tr { grid-area: tr; }
.wv-tag {
  display: block; padding: .25rem 0; color: var(--muted);
  font: 500 clamp(10px, 1.5vw, 11px)/1.4 var(--mono); text-transform: uppercase; letter-spacing: .07em;
}

.wv-b--tu .wv-tag, .wv-b--tr .wv-tag {
  display: flex; justify-content: flex-end; white-space: nowrap; contain: inline-size;
}
.wv-grid {
  width: max-content;
  display: grid; grid-template-columns: repeat(var(--cols, 8), var(--cell));
  border-top: 1px solid var(--grid-line); border-left: 1px solid var(--grid-line);
}
.wv-grid:empty { display: none; }
.wv-grid i {
  width: var(--cell); height: var(--cell);
  border-right: 1px solid var(--grid-line); border-bottom: 1px solid var(--grid-line);
}
.wv-grid i.on { background: var(--ink); }
.wv-grid i.off { background: var(--paper); }
.wv-cloth { border-color: var(--ink); }
.wv-cloth i { border-color: rgba(31, 28, 27, .16); }
.wv-cloth i.warp { background: var(--warp-c); }
.wv-cloth i.weft { background: var(--weft-c); }
.wv-draft.is-swapped { --warp-c: var(--tint); --weft-c: var(--madder); }

@supports (container-type: inline-size) and (width: round(down, 10.5px, 1px)) {
  .wv-draft { container-type: inline-size; --cell: clamp(8px, round(down, (100cqi - 14px) / 29, 1px), 16px); }
}
.plate-cap { border-top: 1px solid var(--rule); padding: 1rem clamp(1rem, 2.5vw, 1.6rem) 1.2rem; }
.wv-readout { font: 400 1em/1.6 var(--serif); color: var(--ink); max-width: 68ch; margin-bottom: .7rem; }
.plate-note { font: 400 .8rem/1.55 var(--sans); color: var(--muted); max-width: 68ch; margin: 0; }

.gloss {
  display: grid; grid-template-columns: 9.5rem minmax(0, 1fr);
  margin: 0; border-top: 1px solid var(--rule);
}
.gloss dt {
  font: 500 1rem/1.5 var(--serif); font-variant-caps: var(--caps); letter-spacing: .07em;
  color: var(--madder-deep); padding: .7rem 1rem .7rem 0; border-bottom: 1px solid var(--rule-soft);
}
.gloss dd { margin: 0; padding: .7rem 0; border-bottom: 1px solid var(--rule-soft); }
.notes { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: clamp(1.4rem, 3vw, 2.4rem); }
.note { border-top: 2px solid var(--madder); padding-top: .9rem; }
.note h3 {
  font: 500 1.05rem/1.2 var(--serif); font-variant-caps: var(--caps);
  letter-spacing: .07em; color: var(--madder-deep);
}
.note p { margin: .8rem 0 0; font-size: .95em; }
.site-foot { border-top: 2px solid var(--madder); background: var(--paper); color: var(--ink); }
.foot-in { display: grid; gap: 1rem; padding-block: clamp(2rem, 4vw, 3rem); }
.foot-brand { display: flex; align-items: baseline; gap: .9rem; margin: 0; }
.foot-dom { font: 400 .74rem/1 var(--mono); letter-spacing: .1em; color: var(--muted); }
.foot-nav { display: flex; flex-wrap: wrap; gap: .6rem 1.4rem; }
.foot-nav a {
  color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--rule);
  font: 500 .76rem/1.3 var(--mono); text-transform: uppercase; letter-spacing: .1em;
}
.foot-nav a:hover, .foot-nav a:focus-visible { color: var(--madder-deep); border-bottom-color: currentColor; }
.foot-note { margin: 0; font: 400 .84rem/1.55 var(--sans); color: var(--muted); max-width: 52ch; }

@media (max-width: 62rem) {
  .hero { grid-template-columns: 13rem minmax(0, 1fr); }
  .specimens { grid-column: 1 / -1; grid-template-columns: repeat(3, 1fr); gap: .8rem; margin-top: 2.2rem; }
  .plate-body { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 47.5rem) {
  .band, .hero { grid-template-columns: minmax(0, 1fr); gap: 1.4rem; }
  .rail { position: static; display: flex; flex-wrap: wrap; align-items: baseline; gap: .4rem .9rem; }
  .rail h2 { order: 2; }
  .dateline { margin: 0; }
  .rail-note { flex-basis: 100%; order: 3; margin: 0; max-width: 40ch; }
  .nav { flex-wrap: wrap; gap: .2rem 1.2rem; padding-bottom: .5rem; }
  .nav[data-open] {
    position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--rule); padding: .4rem var(--gutter) 1rem;
  }
  .nav[data-open] a { padding: .7rem 0; border-bottom: 1px solid var(--rule-soft); }
  .nav[data-open="false"] { display: none; }
  .nav-toggle:not([hidden]) { display: inline-flex; }
  .masthead-in { position: relative; flex-wrap: wrap; }
  .g-meta { margin-left: 0; flex-basis: 100%; }
  .gloss { grid-template-columns: minmax(0, 1fr); }
  .gloss dt { border-bottom: 0; padding-bottom: 0; }
  .gloss dd { padding-top: .25rem; }
}
@media (max-width: 30rem) {
  .plate-head { flex-direction: column; gap: .25rem; }
  .spec figcaption { flex-wrap: wrap; gap: .1rem .5rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}