/* Monsoon: a field reference for concepting.
   World: field-survey plate book, thinned to a card. Paper, ink, one
   annotation blue. Spectral carries the voice; system mono carries
   collection data. Structure in index.html, prose in copy.js, rendering
   in page.js: one bundled script, no network requests, opens from file://. */

@font-face {
  font-family: "Spectral";
  src: url("fonts/spectral-latin-400-normal.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Spectral";
  src: url("fonts/spectral-latin-400-italic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Spectral";
  src: url("fonts/spectral-latin-700-normal.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --paper: #faf9f6;
  --card: #ffffff;
  --ink: #201e1b;
  --ink-2: #5a554c;
  --rule: #d9d4c9;
  --blue: #274690;
  --serif: "Spectral", Georgia, "Times New Roman", serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: rgba(39, 70, 144, 0.16); }

a {
  color: var(--blue);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}
a:hover { text-decoration-thickness: 2px; }
:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.sr {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* Shown only when scripting is off: the words stay reachable via copy.js. */
.noscript {
  max-width: 68ch;
  margin: 1.5rem auto 0;
  padding: 1rem 1.25rem;
  border: 1px solid var(--ink);
  background: var(--card);
  font-family: var(--mono);
  font-size: 0.875rem;
}

/* ---------- masthead ---------- */

.masthead {
  max-width: 72rem;
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 5.5rem) clamp(1.25rem, 4vw, 3rem) 2.25rem;
}

.masthead-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: clamp(2rem, 4vw, 4rem);
  align-items: end;
}

.masthead h1 {
  margin: 0;
  font-size: clamp(3rem, 8vw, 4.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.02;
}

.masthead-sub {
  margin: 0.4rem 0 0;
  font-size: clamp(1.25rem, 2.6vw, 1.6rem);
  font-style: italic;
  color: var(--ink-2);
}

.masthead-lede {
  max-width: 58ch;
  margin: 1.5rem 0 0;
  font-size: 1.125rem;
}

/* The frontispiece plate: leaner frame, caption carries one provenance line. */

.frontis {
  padding: 0.6rem;
}
.frontis figcaption {
  font-size: 0.75rem;
  padding-top: 0.55rem;
}
.frontis .prov {
  font-size: 0.6875rem;
}

.rail {
  margin-top: 2.5rem;
  padding-top: 0.9rem;
  border-top: 2px solid var(--ink);
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 1.4rem;
  font-family: var(--mono);
  font-size: 0.8125rem;
  letter-spacing: 0.01em;
}
.rail a {
  color: var(--ink);
  text-decoration: none;
  padding-bottom: 0.2rem;
}
.rail a:hover {
  color: var(--blue);
  text-decoration: underline;
  text-decoration-thickness: 1px;
}

/* ---------- sections ---------- */

main { display: block; }

.sec {
  max-width: 72rem;
  margin: 0 auto;
  padding: clamp(2.5rem, 5vw, 4rem) clamp(1.25rem, 4vw, 3rem);
  border-top: 1px solid var(--rule);
}

.sec h2 {
  margin: 0 0 1.4rem;
  font-size: clamp(1.7rem, 3.4vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.15;
  text-wrap: balance;
}

.sec h3 {
  margin: 2.5rem 0 0.9rem;
  font-size: 1.25rem;
  font-weight: 700;
}

.sec p { max-width: 68ch; }

/* ---------- tables: the parent map ---------- */

.pmapwrap { overflow-x: auto; }

table.pmap {
  width: 100%;
  min-width: 46rem;
  margin: 1.6rem 0 0.5rem;
  border-collapse: collapse;
  background: var(--card);
  border: 1px solid var(--ink);
}
.pmap th, .pmap td {
  text-align: left;
  vertical-align: top;
  padding: 0.85rem 1rem;
  border-top: 1px solid var(--rule);
  font-size: 0.9375rem;
  line-height: 1.5;
}
.pmap thead th {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-2);
  border-top: 0;
  padding-bottom: 0.6rem;
}
.pmap tbody th[scope="row"] {
  font-weight: 700;
  font-size: 1rem;
  width: 9.5rem;
}
.rowsub {
  display: block;
  font-weight: 400;
  font-style: italic;
  font-size: 0.8125rem;
  color: var(--ink-2);
}

/* The one-line key to the parent table's drawn markers. */
.legend {
  margin: 0.6rem 0 0;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink-2);
}

.mark {
  display: inline-block;
  width: 0.62em;
  height: 0.62em;
  margin-right: 0.45rem;
  vertical-align: 0.06em;
}
.mark.in { background: var(--blue); }
.mark.out { border: 1.5px solid var(--ink); }

/* ---------- anchor laws, modern take, fences, law blocks ---------- */

.laws {
  max-width: 68ch;
  margin: 1.2rem 0;
  padding: 0;
  list-style: none;
  counter-reset: law;
}
.laws li {
  counter-increment: law;
  position: relative;
  padding: 0.8rem 0 0.8rem 2.9rem;
  border-top: 1px solid var(--rule);
}
.laws li::before {
  content: counter(law);
  position: absolute;
  left: 0.35rem;
  top: 0.92rem;
  width: 1.55rem;
  height: 1.55rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--blue);
  border-radius: 50%;
  font-family: var(--mono);
  font-size: 0.8125rem;
  color: var(--blue);
}

.modern {
  max-width: 68ch;
  margin: 1.2rem 0;
  padding-left: 1.4rem;
}
.modern li { margin: 0.55rem 0; }

/* ---------- §5 fences and the register law ---------- */
.fencelist {
  margin: 1.4rem 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(19rem, 1fr));
  border: 1px solid var(--ink);
}
.fencelist li {
  padding: 0.6rem 0.9rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 0.875rem;
  background: var(--card);
}
.fencelist li::before {
  content: "×";
  color: var(--ink-2);
  margin-right: 0.55rem;
}
.fencelist .fenceload {
  grid-column: 1 / -1;
  font-family: var(--serif);
  font-size: 1rem;
}
.fenceload::before { content: none; }

.lawblock {
  max-width: 68ch;
  margin: 1.2rem 0 0;
  border: 1px solid var(--ink);
  background: var(--card);
  padding: 0.5rem 1.5rem 1rem;
}
.lawblock p { max-width: 62ch; }
.lawblock p:last-child { margin-bottom: 0.5rem; }

/* ---------- figures: the game brief's evidence ---------- */

/* Two columns like the masthead: prose left, Frontier captures right. */
.gamewrap {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: clamp(2rem, 4vw, 4rem);
  align-items: start;
}

.gametext p { max-width: 68ch; }

.figstack {
  display: grid;
  gap: 1.6rem;
  align-items: start;
}

.figrow {
  margin-top: 1.6rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(21rem, 1fr));
  gap: 1.6rem;
  align-items: start;
}

.fig {
  margin: 0;
  background: var(--card);
  border: 1px solid var(--ink);
  padding: 0.75rem;
}

.fig svg {
  display: block;
  width: 100%;
  height: auto;
}

.fig img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--rule);
}
.fig svg path,
.fig svg line,
.fig svg circle,
.fig svg rect {
  stroke: var(--ink);
  stroke-width: 1.25;
}

.figtitle {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  padding: 0.1rem 0.15rem 0.55rem;
}

.fig figcaption {
  padding: 0.7rem 0.15rem 0.15rem;
  font-family: var(--mono);
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--ink);
}

.figno {
  color: var(--blue);
  margin-right: 0.5rem;
}

/* ---------- plates ---------- */

.platerow {
  margin-top: 1.6rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(21rem, 1fr));
  gap: 1.6rem;
  align-items: start;
}

.plate {
  margin: 0;
  background: var(--card);
  border: 1px solid var(--ink);
  padding: 0.75rem;
}

.plate img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--rule);
}

.plate figcaption {
  padding: 0.7rem 0.15rem 0.15rem;
  font-family: var(--mono);
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--ink);
}

.plno {
  color: var(--blue);
  margin-right: 0.5rem;
}

.prov {
  display: block;
  margin-top: 0.15rem;
  color: var(--ink-2);
  font-size: 0.75rem;
}

.plate a { display: block; }

/* The one authored motion: plates come into focus entering the viewport.
   Enhancement only: content is visible without view timelines. */
@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .plate {
      animation: plate-in 700ms cubic-bezier(0.16, 1, 0.3, 1) both;
      animation-timeline: view();
      animation-range: entry 0% entry 40%;
    }
    @keyframes plate-in {
      from { opacity: 0.78; transform: translateY(8px); }
      to { opacity: 1; transform: none; }
    }
  }
}

/* ---------- reading list ---------- */

.reading {
  max-width: 68ch;
  margin: 1.2rem 0;
  padding: 0;
  list-style: none;
}
.reading li {
  padding: 0.7rem 0;
  border-top: 1px solid var(--rule);
}
.reading li:last-child { border-bottom: 1px solid var(--rule); }
.reading .prov {
  display: inline;
  margin: 0;
  font-size: 0.75rem;
}

/* The one warm line at the bottom of the page. */
.closing {
  margin-top: 2.2rem;
  font-size: 1.125rem;
  font-style: italic;
}

code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: rgba(32, 30, 27, 0.06);
  padding: 0.1em 0.35em;
}

/* ---------- colophon ---------- */

.colophon {
  max-width: 72rem;
  margin: 0 auto;
  padding: 2rem clamp(1.25rem, 4vw, 3rem) 3.5rem;
  border-top: 1px solid var(--rule);
}
.colophon p {
  max-width: 68ch;
  margin: 0;
  font-size: 0.875rem;
  font-style: italic;
  color: var(--ink-2);
}

/* ---------- narrow screens ---------- */

@media (max-width: 900px) {
  .masthead-grid { grid-template-columns: 1fr; align-items: start; }
  .gamewrap { grid-template-columns: 1fr; }
}
}

@media (max-width: 640px) {
  .platerow { grid-template-columns: 1fr; }
  .rail { gap: 0.2rem 1rem; }
  .sec { padding-top: 2.25rem; padding-bottom: 2.25rem; }
  .pmap { min-width: 38rem; }
}

/* ---------- print: the dossier travels on paper too ---------- */

@media print {
  body { background: #fff; font-size: 10.5pt; }
  .rail { display: none; }
  .gamewrap { grid-template-columns: 1fr; }
  .sec { border-top-color: #bbb; padding: 1.2em 0; }
  .plate, .fig, table.pmap, .lawblock, .noscript { break-inside: avoid; }
  .plate img { max-width: 100%; }
}