:root {
  --void: #0b0809;
  --void-2: #171012;
  --paper: #f1e6d6;          /* placard card */
  --ink: #22161a;
  --ink-soft: #5e4a4d;
  --mist: rgba(241, 230, 214, .72);
  --pink: #e8336f;
  --pink-deep: #b8174f;
  --pink-soft: #f6b3c8;
  --lav: #f6b3c8;
  --lav-soft: #fbe1ea;
  --tan: #c99a7a;
  --rule: rgba(34, 22, 26, .28);
  --rule-dark: rgba(241, 230, 214, .18);
  --display: 'Fraunces', Georgia, serif;
  --text: 'Newsreader', Georgia, serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
  --max: 1240px;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  background: var(--void);
  color: var(--paper);
  font: 400 19px/1.55 var(--text);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px dashed var(--pink); outline-offset: 3px; }

/* paper grain + a slow-drifting swirl in the margin */
.paper {
  position: fixed; inset: -10%;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 18% 12%, rgba(232, 51, 111, .16), transparent 42%),
    radial-gradient(ellipse at 82% 80%, rgba(201, 154, 122, .14), transparent 45%);
  opacity: 1;
  animation: drift 60s linear infinite alternate;
}
@keyframes drift { to { transform: translate3d(-4%, -3%, 0) rotate(1.5deg); } }

/* ---------- running head ---------- */
.runhead {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: 12px clamp(16px, 4vw, 48px);
  background: color-mix(in srgb, var(--void) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule-dark);
  font-family: var(--mono);
  font-size: 12px; letter-spacing: .08em; text-transform: uppercase;
}
.runhead__mark { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.runhead__mark img { width: 36px; height: 36px; border-radius: 6px; }
.runhead__nav { display: flex; gap: 4px; flex-wrap: wrap; justify-content: flex-end; }
.runhead__nav a {
  text-decoration: none; padding: 6px 10px; border-radius: 3px;
  transition: background .2s, color .2s;
}
.runhead__nav a i { font-style: normal; color: var(--pink); margin-right: 6px; }
.runhead__nav a:hover { background: var(--paper); color: var(--ink); }
.runhead__nav a:hover i { color: var(--pink-deep); }

main { max-width: var(--max); margin: 0 auto; padding: 0 clamp(16px, 4vw, 48px); }

/* ---------- plate ---------- */
.plate {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
  grid-template-areas: "folio folio" "art label";
  gap: 28px 48px;
  padding: 36px 0 96px;
  align-items: start;
}
.plate__folio {
  grid-area: folio;
  display: flex; justify-content: space-between;
  font: 600 12px/1 var(--mono); letter-spacing: .2em; text-transform: uppercase;
  border-top: 3px double var(--paper); border-bottom: 1px solid var(--paper);
  padding: 10px 2px;
}
.plate__art { grid-area: art; margin: 0; }
.plate__frame {
  position: relative;
  padding: 10px;
  background: linear-gradient(160deg, #2a1d21, #0f0a0c 60%);
  border: 1px solid rgba(241, 230, 214, .35);
  border-radius: 4px;
  box-shadow: 0 0 0 1px #000, 0 30px 80px -30px rgba(232, 51, 111, .45), inset 0 1px 0 rgba(255, 255, 255, .25);
}
.plate__frame img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 2px; }
.plate__frame::after { content: ""; position: absolute; inset: 10px; pointer-events: none; background: linear-gradient(115deg, rgba(255,255,255,.14), transparent 28%, transparent 70%, rgba(255,255,255,.05)); }
.corner { position: absolute; width: 18px; height: 18px; border: 2px solid var(--pink); }
.corner.tl { top: -7px; left: -7px; border-right: 0; border-bottom: 0; }
.corner.tr { top: -7px; right: -7px; border-left: 0; border-bottom: 0; }
.corner.bl { bottom: -7px; left: -7px; border-right: 0; border-top: 0; }
.corner.br { bottom: -7px; right: -7px; border-left: 0; border-top: 0; }
figcaption {
  font: italic 400 15px/1.45 var(--text);
  color: var(--mist);
  margin-top: 16px;
}

.label {
  color: var(--ink);
  grid-area: label;
  background: var(--paper);
  border: 1px solid var(--ink);
  padding: 26px 26px 22px;
  position: relative;
}
.label::before {
  content: ""; position: absolute; top: 10px; left: 10px; right: 10px; bottom: 10px;
  border: 1px solid var(--rule); pointer-events: none;
}
.label__no { font: 600 12px/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--pink-deep); margin: 0 0 14px; }
.label__name {
  font: 900 clamp(40px, 5.4vw, 70px)/.92 var(--display);
  font-variation-settings: "opsz" 144, "SOFT" 100;
  letter-spacing: -.02em;
  margin: 0 0 12px;
}
.label__name em { font-style: italic; display: block; font-weight: 900; }
.label__name em + em { color: var(--pink-deep); }
.label__common { font: italic 400 19px/1.3 var(--text); margin: 0 0 6px; color: var(--ink-soft); }
.label__tag {
  display: inline-block; color: var(--ink); margin: 6px 0 18px;
  font: 600 14px/1.3 var(--mono);
  background: var(--lav-soft); padding: 6px 10px; border-left: 3px solid var(--lav);
}
.label__facts { margin: 0; border-top: 1px solid var(--ink); }
.label__facts div {
  display: grid; grid-template-columns: 9.5em 1fr; gap: 10px;
  padding: 7px 0; border-bottom: 1px dotted var(--rule);
}
.label__facts dt { font: 400 12px/1.6 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); }
.label__facts dd { margin: 0; font-size: 17px; }
.label__note { margin: 18px 0 0; font-size: 17px; }

/* ---------- section heads ---------- */
section { padding: 72px 0; border-top: 1px solid var(--rule-dark); }
.plate { border-top: 0; }
.sechead { display: grid; grid-template-columns: 110px 1fr; gap: 0 28px; margin-bottom: 40px; }
.sechead__no {
  grid-row: span 2;
  margin: 0;
  font: 900 64px/1 var(--display);
  color: var(--pink);
  font-variation-settings: "opsz" 144;
}
.sechead h2 { font: 700 clamp(30px, 3.6vw, 46px)/1.05 var(--display); margin: 4px 0 10px; letter-spacing: -.01em; }
.sechead__lede { margin: 0; max-width: 46ch; color: var(--mist); }

/* ---------- key ---------- */
.key__board {
  color: var(--ink);
  display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 32px;
  background: var(--paper); border: 1px solid var(--ink); padding: 28px;
  box-shadow: 8px 8px 0 var(--pink);
}
.key__trail {
  list-style: none; margin: 0; padding: 0;
  font: 400 15px/1.45 var(--text); color: var(--ink-soft);
  border-right: 1px dashed var(--rule); padding-right: 24px;
  min-height: 120px;
}
.key__trail:empty::before {
  content: "Your path through the key is written here.";
  font: italic 400 15px/1.45 var(--text); opacity: .8;
}
.key__trail li { padding: 8px 0; border-bottom: 1px dotted var(--rule); }
.key__trail span { font: 600 12px/1 var(--mono); color: var(--pink-deep); margin-right: 8px; }
.key__couplet { font: 600 12px/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; margin: 0 0 14px; color: var(--ink-soft); }
.key__opt {
  display: block; width: 100%; text-align: left;
  background: #f8efe3; border: 1px solid var(--ink);
  padding: 14px 16px 14px 62px; margin-bottom: 12px;
  position: relative; cursor: pointer;
  font-size: 18px; line-height: 1.35;
  transition: transform .15s, box-shadow .15s, background .15s;
}
.key__opt span {
  position: absolute; left: 14px; top: 14px;
  font: 600 13px/1 var(--mono); color: var(--paper); background: var(--ink); padding: 5px 6px;
}
.key__opt em { display: block; font: 400 12px/1.6 var(--mono); color: var(--pink-deep); font-style: normal; margin-top: 4px; letter-spacing: .06em; }
.key__opt:hover { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--pink); background: #fff8ee; }
.key__opt:active { transform: translate(0, 0); box-shadow: 0 0 0 var(--pink); }
.key__end { animation: settle .5s cubic-bezier(.3, 1.6, .5, 1); }
.key__result { font: 900 italic clamp(28px, 3vw, 40px)/1.05 var(--display); margin: 0 0 8px; }
.key__end--yes .key__result { color: var(--pink-deep); }
.key__restart {
  margin-top: 14px; background: none; border: 0; border-bottom: 2px solid var(--pink);
  padding: 2px 0; cursor: pointer; font: 600 13px/1.4 var(--mono); letter-spacing: .06em; text-transform: uppercase;
}
.key__restart:hover { color: var(--pink); }
@keyframes settle { from { transform: translateY(-14px) scale(.98); opacity: 0; } to { transform: none; opacity: 1; } }

/* ---------- gait ---------- */
.gait__chart { margin: 0; position: relative; }
.gait__svg { width: 100%; height: auto; display: block; overflow: visible; }
.gait__svg .floor { stroke: var(--tan); stroke-width: 2; }
.gait__svg .arc { fill: none; stroke: var(--pink); stroke-width: 2.5; stroke-dasharray: 2 9; stroke-linecap: round; }
.gait__svg .arc--b { stroke: var(--lav); }
.gait__svg .arc--c { stroke: var(--tan); }
.gait__svg .stations circle { fill: var(--void); stroke: var(--paper); stroke-width: 2; }
.gait__fish {
  position: absolute; top: 0; left: 0;
  width: clamp(70px, 13vw, 150px); height: auto;
  will-change: transform;
  pointer-events: none;
  filter: drop-shadow(0 10px 12px rgba(0, 0, 0, .6));
}
.gait__notes {
  list-style: none; padding: 0; margin: 24px 0 0;
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px;
  font-size: 17px;
}
.gait__notes li { border-top: 2px solid var(--paper); padding-top: 10px; color: var(--mist); }
.gait__notes b { font: 600 13px/1 var(--mono); color: var(--pink); margin-right: 6px; }

/* ---------- cousin ---------- */
.cousin__plates {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr) minmax(0, 1fr);
  gap: 32px; align-items: center;
}
.specimen { margin: 0; }
.specimen__img {
  background: radial-gradient(circle at 50% 60%, #3a2229, #120b0d 70%);
  border: 1px solid rgba(241, 230, 214, .4);
  aspect-ratio: 1; overflow: hidden;
  border-radius: 50% 50% 10px 10px / 40% 40% 10px 10px;
  display: grid; place-items: center; padding: 12%;
  position: relative;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.25), inset 12px 0 30px -14px rgba(255,255,255,.18);
}
.specimen__img img { width: 100%; height: 100%; object-fit: contain; transition: transform .6s cubic-bezier(.3, 1.5, .5, 1); }
.specimen:hover .specimen__img img { transform: scale(1.05) rotate(-2deg); }
.specimen__img--drab { background: radial-gradient(circle at 50% 60%, #2e281f, #100d0a 70%); }
.specimen figcaption b { font: 600 13px/1 var(--mono); color: var(--pink); }
.specimen figcaption { text-align: center; }
.cousin__table { color: var(--ink); width: 100%; border-collapse: collapse; font-size: 17px; background: var(--paper); border: 1px solid var(--ink); }
.cousin__table th, .cousin__table td { padding: 10px 12px; text-align: left; border-bottom: 1px dotted var(--rule); vertical-align: top; }
.cousin__table thead th { font: 600 12px/1.3 var(--mono); letter-spacing: .12em; text-transform: uppercase; background: var(--ink); color: var(--paper); }
.cousin__table tbody th { font: 400 12px/1.6 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); }
.cousin__table td:nth-child(2) { color: var(--pink-deep); font-weight: 600; }

/* ---------- log ---------- */
.log__slate {
  color: var(--ink);
  position: relative;
  background: var(--paper);
  border: 1px solid var(--ink);
  border-radius: 18px;
  padding: 36px clamp(20px, 4vw, 48px);
  box-shadow: inset 0 0 0 10px #f8efe3, inset 0 0 0 11px var(--rule);
}
.log__slate::before {
  content: ""; position: absolute; top: 18px; left: 50%; width: 18px; height: 18px; margin-left: -9px;
  border-radius: 50%; border: 2px solid var(--ink); background: var(--paper);
}
.log__slate { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr); gap: 40px; }
.log__entries { list-style: none; margin: 0; padding: 0; max-width: 62ch; }
.log__margin {
  list-style: none; margin: 24px 0 0; padding: 0 0 0 28px; border-left: 2px solid var(--pink);
  align-self: center; transform: rotate(-1.5deg);
}
.log__margin li { font: 400 italic 26px/1.15 var(--display); color: var(--pink-deep); margin: 0 0 22px; }
.log__margin li:nth-child(even) { color: var(--ink); padding-left: 18px; }
.log__entries li { padding: 14px 0; border-bottom: 1px solid rgba(43, 27, 32, .15); }
.log__entries p { margin: 4px 0 0; font: 400 19px/1.5 var(--text); }
.log__tag { font: 600 12px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--pink-deep); }
.log__sketch {
  position: absolute; right: clamp(10px, 3vw, 40px); bottom: 24px;
  width: clamp(140px, 24vw, 300px); height: auto;
  transform: rotate(6deg);
}

/* ---------- colophon ---------- */
.colophon {
  max-width: var(--max); margin: 40px auto 0;
  padding: 40px clamp(16px, 4vw, 48px) 48px;
  border-top: 3px double var(--paper);
  display: grid; grid-template-columns: auto 1fr auto; gap: 24px 40px; align-items: center;
}
.colophon__id { display: flex; align-items: center; gap: 16px; }
.colophon__id img { width: 64px; height: 64px; border-radius: 10px; border: 1px solid var(--rule-dark); }
.colophon__name { margin: 0; font: 700 italic 22px/1.1 var(--display); }
.colophon__tick { margin: 4px 0 0; font: 600 13px/1 var(--mono); letter-spacing: .12em; color: var(--pink); }
.ca {
  color: var(--ink); display: flex; align-items: center; gap: 10px; min-height: 46px;
  border: 1px solid var(--ink); background: var(--paper); padding: 8px 12px;
  justify-self: center; max-width: 100%;
}
.ca__label { font: 600 12px/1 var(--mono); letter-spacing: .16em; background: var(--ink); color: var(--paper); padding: 6px 8px; }
.ca__value { font: 400 14px/1.3 var(--mono); min-width: 16ch; word-break: break-all; }
.ca__copy {
  border: 1px solid var(--ink); background: var(--paper); cursor: pointer;
  font: 600 12px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; padding: 8px 10px;
  transition: background .15s, color .15s, transform .1s;
}
.ca__copy:hover { background: var(--ink); color: var(--paper); }
.ca__copy:active { transform: translateY(1px); }
.ca__copy.is-copied { background: var(--pink); color: #fff; border-color: var(--pink); }
.ca__scan { display: inline-flex; padding: 6px; border-radius: 50%; transition: background .15s, color .15s; }
.ca__scan:hover { background: var(--pink); color: #fff; }
.colophon__links { list-style: none; display: flex; gap: 10px; margin: 0; padding: 0; }
.colophon__links a {
  color: var(--ink); display: grid; place-items: center; width: 44px; height: 44px;
  border: 1px solid var(--ink); border-radius: 50%; background: var(--paper);
  transition: background .2s, color .2s, transform .2s;
}
.colophon__links svg { width: 20px; height: 20px; }
.colophon__links a:hover { background: var(--pink); color: #fff; border-color: var(--pink); transform: translateY(-3px) rotate(-6deg); }
.colophon__fine { grid-column: 1 / -1; margin: 8px 0 0; font: italic 400 15px/1.5 var(--text); color: var(--mist); text-align: center; }

/* ---------- reveal ---------- */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s cubic-bezier(.2, .9, .3, 1.2); }
.js .reveal.is-in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .plate { grid-template-columns: 1fr; grid-template-areas: "folio" "art" "label"; }
  .key__board { grid-template-columns: 1fr; }
  .key__trail { border-right: 0; border-bottom: 1px dashed var(--rule); padding: 0 0 16px; min-height: 0; }
  .cousin__plates { grid-template-columns: 1fr 1fr; }
  .cousin__table { grid-column: 1 / -1; grid-row: 2; }
  .colophon { grid-template-columns: 1fr; justify-items: start; }
  .ca { justify-self: stretch; }
}
@media (max-width: 640px) {
  body { font-size: 17px; }
  .runhead__mark span { display: none; }
  .runhead__nav a { padding: 6px 6px; font-size: 10px; }
  .runhead__nav a i { display: none; }
  .plate__folio span:nth-child(3) { display: none; }
  .sechead { grid-template-columns: 1fr; }
  .sechead__no { font-size: 40px; grid-row: auto; }
  .label__facts div { grid-template-columns: 1fr; gap: 2px; }
  .gait__notes { grid-template-columns: 1fr; gap: 14px; }
  .log__sketch { position: static; margin: 20px auto 0; transform: rotate(4deg); }
  .plate__frame { box-shadow: 5px 5px 0 var(--ink); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* a strip of the kit's swirl floor, drifting slowly under the plate */
.swirl-strip {
  height: 90px; margin: 0 calc(-1 * clamp(16px, 4vw, 48px));
  background: url('/assets/texture.webp') 0 50% / 2000px 100% repeat-x;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 15%, #000 85%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 15%, #000 85%, transparent);
  opacity: .55;
  animation: pan 80s linear infinite;
}
@keyframes pan { to { background-position: -2000px 50%; } }

.curator { margin-top: 32px; padding: 18px 0 0 22px; border-left: 2px solid var(--pink); max-width: 60ch; }
.curator__h { margin: 0 0 6px; font: 600 12px/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--pink); }
.curator p:last-child { margin: 0; color: var(--mist); font-size: 18px; }
@media (max-width: 760px) {
  .log__slate { grid-template-columns: 1fr; gap: 10px; }
  .log__margin li { font-size: 21px; }
}