:root {
  color-scheme: dark;
  /* On the wall: light ink over dark stones, and over bare plaster while they are laid. */
  --light: #efebe1;
  --light-muted: #c3cbc6;
  --gilt: #d9b674;
  /* On the tablets set into it. */
  --paper: #ece7da;
  --paper-deep: #dfd8c8;
  --ink: #1d2a2e;
  --muted: #4c5754;
  --gold: #7a6235;
  /* The bare bed, as the engine lights it, shows until the first stones are drawn. */
  --plaster: #7b807a;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --gutter: clamp(20px, 5vw, 72px);
  --measure: 1240px;
  --masthead: 72px;
  /* The nocturne fills the page width up to 1440 pixels, a fixed height below that, and a
     closer crop on phones; home/wall.js uses the same scale. */
  --nocturne: max(min(102.27vw, 811px), 56.25vw);
  --lift: 0 1px 2px rgb(8 18 24 / 0.55), 0 0 18px rgb(8 18 24 / 0.35);
  font: 400 18px / 1.6 var(--serif);
  color: var(--light);
  background: var(--plaster);
  font-kerning: normal;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
}

* { box-sizing: border-box; }
html { scroll-padding-top: 24px; }
body { position: relative; display: flow-root; margin: 0; background: var(--plaster); overflow-x: clip; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; }
button { font: inherit; color: inherit; cursor: pointer; }
:focus-visible { outline: 2px solid currentColor; outline-offset: 3px; }
code { font: 400 0.86em / 1 var(--mono); }
[hidden] { display: none !important; }

.wrap { width: min(100% - 2 * var(--gutter), var(--measure)); margin-inline: auto; }

/* The wall. Its canvas spans the viewport and a margin above and below it, and moves with
   the page between frames, so the stones never slide against the words set in them. */
.wall { position: absolute; inset: 0; overflow: clip; pointer-events: none; }
.wall canvas { position: absolute; top: 0; left: 0; width: 100%; display: block; will-change: transform; visibility: hidden; }
.wall[data-state="live"] canvas { visibility: visible; }
.wall[data-state="still"] { background: url("media/hero-end.webp") center var(--masthead) / max(100%, var(--nocturne) * 1.7778) auto no-repeat, #12303f; }
.masthead, main, .colophon { position: relative; }

/* Words set straight on the stones; the level band under them hugs the words themselves. */
[data-wall="band"] { text-shadow: var(--lift); }
h1[data-wall="band"], h2[data-wall="band"] { width: fit-content; }

/* A tablet: a slab set into the wall, which lays a gold frame around it. */
.tablet {
  margin: 0; padding: 26px 30px; color: var(--ink); background: var(--paper);
  box-shadow: inset 6px 7px 10px -7px rgb(20 24 22 / 0.55), inset -1px -1px 0 rgb(255 255 255 / 0.35);
  text-shadow: none;
}
.tablet a:hover { color: var(--gold); }

/* An emblem: a picture or film set into the wall the same way. */
.emblem { margin: 0; background: #0e1d24; }
.emblem img, .emblem video { display: block; width: 100%; height: auto; }

/* Masthead */
.masthead {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  height: var(--masthead); width: min(100% - 2 * var(--gutter), var(--measure)); margin-inline: auto; text-shadow: var(--lift);
}
.wordmark { display: inline-flex; align-items: center; gap: 10px; font: 600 24px / 1 var(--serif); letter-spacing: -0.02em; text-decoration: none; }
.wordmark svg { width: 21px; height: 21px; }
.nav { display: flex; align-items: center; gap: clamp(16px, 2.4vw, 32px); font: 500 14px / 1 var(--sans); }
.nav a { color: var(--light-muted); text-decoration: none; }
.nav a:hover { color: var(--light); }
.nav .nav-studio { color: var(--light); border: 1px solid rgb(239 235 225 / 0.7); border-radius: 2px; padding: 10px 14px; background: rgb(10 22 29 / 0.25); }
.nav .nav-studio:hover { background: var(--light); color: var(--ink); text-shadow: none; }

/* The first screen is the nocturne itself. */
.hero { position: relative; }
.hero-art { height: var(--nocturne); }
.hero-foot { position: absolute; left: 0; right: 0; bottom: 18px; display: flex; align-items: baseline; justify-content: space-between; gap: 8px 32px; flex-wrap: wrap; }
.hero-note { margin: 0; font: 400 14px / 1.5 var(--sans); color: var(--light-muted); }
.work-title { font: italic 400 16px / 1.5 var(--serif); color: var(--light); margin-right: 10px; }
.text-button { padding: 0; border: 0; background: none; font: 500 14px / 1.5 var(--sans); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.text-button:hover { color: var(--gilt); }
.tablet .text-button:hover { color: var(--gold); }

.intro {
  display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: 24px; row-gap: 48px; align-items: end;
  padding-block: clamp(96px, 12vw, 176px) clamp(64px, 8vw, 120px);
}
h1 { grid-column: 1 / span 7; margin: 0; font: 400 clamp(46px, 6.4vw, 96px) / 0.98 var(--serif); letter-spacing: -0.03em; text-wrap: balance; }
.lede { grid-column: 8 / span 5; }
.lede p { margin: 0 0 24px; text-wrap: pretty; }
.lede .actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 0; }

.button {
  display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 20px;
  border: 1px solid var(--ink); border-radius: 2px; font: 600 15px / 1 var(--sans); text-decoration: none; white-space: nowrap;
}
.button:hover { background: var(--paper-deep); }
.button.primary { background: var(--ink); color: var(--paper); }
.button.primary:hover { background: #33464a; color: var(--paper); }

/* Sections: rooms along the wall, with water between them. */
.section { padding-block: clamp(80px, 10vw, 160px); }
.section-head {
  display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: 24px; row-gap: 24px; align-items: end;
  margin-bottom: clamp(48px, 6vw, 88px);
}
h2 { grid-column: 1 / span 6; justify-self: start; margin: 0; font: 400 clamp(36px, 4.6vw, 62px) / 1.02 var(--serif); letter-spacing: -0.025em; text-wrap: balance; }
.section-head p { grid-column: 8 / span 5; margin: 0; color: var(--muted); text-wrap: pretty; }
h3 { margin: 0; font: 600 20px / 1.25 var(--serif); letter-spacing: -0.005em; }

/* The method plate and its four stages. */
.strip img { background: #0e1d24; }
.stages { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px 32px; margin-top: 48px; list-style: none; }
.stages h3 { margin-bottom: 8px; }
.numeral { color: var(--gold); font-weight: 400; margin-right: 4px; }
.stages p { margin: 0; font-size: 16px; line-height: 1.55; color: var(--muted); text-wrap: pretty; }

/* Materials: live medallions in the wall. */
.tray { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 72px 32px; margin: 0; padding: 0; list-style: none; }
.tray li { display: grid; justify-items: center; gap: 30px; text-align: center; }
.medallion { width: min(100%, 220px); aspect-ratio: 1; border-radius: 50%; }
.label h3 { font-size: 21px; }
.label p { margin: 6px 0 0; font: 400 15px / 1.5 var(--sans); color: var(--light-muted); text-wrap: balance; }

/* Work */
.film { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: 40px; row-gap: 32px; align-items: end; margin: 0 0 clamp(80px, 9vw, 140px); }
.film .emblem { grid-column: 1 / span 8; }
.film video { aspect-ratio: 16 / 9; background: #0f222c; }
.film figcaption { grid-column: 9 / span 4; display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.film figcaption h3 { font-style: italic; font-weight: 400; font-size: 22px; }
.film figcaption p { margin: 0; font: 400 15px / 1.55 var(--sans); color: var(--muted); }
.agents { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 48px 40px; align-items: start; }
.agents-note { grid-column: 1 / span 4; }
.agents-note p { margin: 12px 0 0; color: var(--muted); text-wrap: pretty; }
.agents figure { grid-column: span 4; margin: 0; }
.agents img { aspect-ratio: 1; }
.agents figcaption { margin-top: 26px; font: 400 14px / 1.55 var(--sans); color: var(--light-muted); justify-self: start; width: fit-content; }

/* Use */
.routes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 56px 40px; align-items: start; }
.route { min-width: 0; }
.route > p { margin: 12px 0 0; color: var(--muted); text-wrap: pretty; }
.route > p:has(.button) { margin-top: 24px; }
.route .aside { font: 400 14px / 1.55 var(--sans); }
/* The copy button sits on its own row so it never covers a long first line. */
.code { display: flex; flex-direction: column; margin-top: 24px; background: var(--paper-deep); border-radius: 2px; }
.code pre { order: 2; margin: 0; padding: 4px 18px 18px; overflow-x: auto; font: 400 12.5px / 1.75 var(--mono); }
.code pre code { font: inherit; }
.copy {
  order: 1; align-self: flex-end; margin: 8px 8px 0 0; padding: 5px 9px; border: 1px solid rgb(29 42 46 / 0.2); border-radius: 2px;
  background: var(--paper); font: 500 12px / 1 var(--sans); color: var(--muted);
}
.copy:hover { color: var(--ink); border-color: var(--muted); }

/* Colophon */
.colophon {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px 32px;
  margin-block: clamp(40px, 6vw, 96px) clamp(96px, 12vw, 180px); padding: 32px 36px;
  font: 400 14px / 1.6 var(--sans); color: var(--muted);
}
.colophon p { margin: 0; text-wrap: pretty; }
.colophon-mark { display: grid; gap: 6px; align-self: start; }
.colophon-mark p:first-child { display: flex; align-items: center; gap: 8px; color: var(--ink); font-weight: 500; }
.colophon-mark svg { width: 15px; height: 15px; }

@media (max-width: 1080px) {
  h1, .lede { grid-column: 1 / span 10; }
  h2, .section-head p { grid-column: 1 / -1; }
  .section-head p { max-width: 60ch; }
  .tray { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .routes { grid-template-columns: minmax(0, 1fr); max-width: 720px; }
  .stages { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .agents-note { grid-column: 1 / -1; max-width: 60ch; }
  .agents figure { grid-column: span 6; }
  .film .emblem, .film figcaption { grid-column: 1 / -1; }
  .colophon { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  :root { font-size: 17px; --masthead: 60px; --gutter: 22px; }
  .nav a:not(.nav-studio, .nav-source) { display: none; }
  .wordmark { font-size: 22px; }
  h1, .lede { grid-column: 1 / -1; }
  .tablet { padding: 22px 22px; }
  .stages { grid-template-columns: minmax(0, 1fr); }
  .tray { gap: 56px 20px; }
  .medallion { width: min(100%, 150px); }
  .label p { font-size: 14px; }
  .film, .agents, .intro, .section-head { grid-template-columns: minmax(0, 1fr); }
  .film .emblem, .film figcaption, .agents-note, .agents figure { grid-column: 1 / -1; }
  .colophon { grid-template-columns: 1fr; }
  /* The nocturne is short on a phone, so its caption follows it instead of covering it. */
  .hero-foot { position: static; padding-top: 14px; }
  .intro { padding-top: 72px; }
}