:root {
  --paper: #d8d8d4;
  --plate: #cacac6;
  --ink: #232321;
  --muted: #55554f;
  --faint: #7b7b76;
  --rule: #8f8f8a;
  --bar: #8b8c88;
  --font-din: "Barlow", "DIN Alternate", "D-DIN", "Arial Narrow", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
  --gutter: 64px;
  --side: 32px;
  --wrap: 1180px;
  color-scheme: light;
}

* { box-sizing: border-box; }

html { background: var(--paper); }

body {
  position: relative;
  margin: 0;
  min-height: 100vh;
  overflow-x: clip;
  background:
    radial-gradient(110% 80% at 35% 20%, transparent 50%, rgba(0, 0, 0, 0.06)),
    var(--paper);
  color: var(--ink);
  font-family: var(--font-din);
  font-size: 16px;
  line-height: 1.5;
}

/* Film grain over everything; pointer-events off so it never blocks links. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 10;
  pointer-events: none;
  opacity: 0.26;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1.1 -.35'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* The grey tab down the left edge: a file divider */
.tab {
  position: absolute;
  left: 0;
  top: 132px;
  width: 16px;
  height: 320px;
  background: var(--bar);
}
.tab::after {
  content: "";
  position: absolute;
  left: 0;
  top: 372px;
  width: 16px;
  height: 46px;
  background: var(--bar);
}

h1, h2, h3, p { margin: 0; }

.strip, .official, .part-note, dt, dd small, .big-label, .trace figcaption, .axis, footer, .empty, .film .meta, .film .no {
  font-family: var(--font-mono);
}

.label { font-size: 0.78rem; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }

.cover, main, footer {
  max-width: var(--wrap);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gutter);
  padding-right: var(--side);
}

/* Running head: record codes that are true */
.strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4em 2.2em;
  padding: 18px 0 10px;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--rule);
}
.strip::before { content: ""; width: 8px; height: 8px; background: var(--bar); align-self: center; margin-right: -1.4em; }
.strip-end { margin-left: auto; }

/* Masthead */
.mast {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 24px;
  padding: 64px 0 28px;
  border-bottom: 1.5px solid var(--ink);
}
.mast h1 {
  font-size: clamp(2.5rem, 8.2vw, 6.4rem);
  font-weight: 500;
  letter-spacing: 0.2em;
  margin-right: -0.2em;
  text-transform: uppercase;
  line-height: 0.95;
}
.mast-side { display: grid; grid-template-columns: auto auto; align-items: center; gap: 18px; padding-bottom: 6px; }
.mark { width: 54px; height: 54px; fill: none; stroke: var(--ink); stroke-width: 1.2; opacity: 0.85; }
.mark .wave { stroke-width: 1.8; stroke-linecap: round; }
.official { font-size: 0.66rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--muted); line-height: 1.7; }

/* The sheet under the masthead: facts, a tally and the trace */
.sheet {
  position: relative;
  display: grid;
  grid-template-columns: 290px 1fr;
  grid-template-rows: auto auto;
  column-gap: 56px;
  padding-top: 40px;
}

.facts { grid-column: 1; grid-row: 1 / 3; display: grid; align-content: start; gap: 30px; margin: 0; }
.facts div { display: grid; grid-template-columns: 96px 1fr; gap: 4px 0; align-items: baseline; }
dt { font-size: 0.66rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }
dd { margin: 0; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; line-height: 1.3; }
dd small { display: block; margin-top: 5px; font-size: 0.66rem; font-weight: 400; letter-spacing: 0.08em; color: var(--muted); text-transform: none; }
.ringed { position: relative; display: inline-block; }
.ring { position: absolute; left: -10%; top: -50%; width: 122%; height: 200%; pointer-events: none; opacity: 0; transition: opacity 0.4s; }
.ringed.on .ring { opacity: 0.9; }

.tally { grid-column: 2; grid-row: 1; display: flex; align-items: flex-end; gap: 22px; padding: 0 0 34px 22px; }
.big { font-size: clamp(3.2rem, 7vw, 5.4rem); font-weight: 500; letter-spacing: 0.06em; line-height: 0.85; font-variant-numeric: tabular-nums; }
.big-label { font-size: 0.66rem; letter-spacing: 0.24em; text-transform: uppercase; color: var(--muted); line-height: 1.7; padding-bottom: 4px; }

.trace { grid-column: 2; grid-row: 2; margin: 0; padding: 16px 22px 14px; background: rgba(0, 0, 0, 0.05); }
.trace figcaption { display: flex; flex-wrap: wrap; gap: 0.3em 2em; font-size: 0.64rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.trace figcaption span:first-child { color: var(--ink); font-weight: 500; }
.trace figcaption span:last-child { margin-left: auto; }
.trace svg { display: block; width: 100%; height: auto; aspect-ratio: 600 / 130; overflow: visible; margin-top: 22px; fill: none; stroke: var(--ink); stroke-linecap: round; stroke-linejoin: round; }
.axis { display: flex; justify-content: space-between; margin-top: 4px; font-size: 0.64rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }

/* Further sheets */
main { display: grid; gap: 96px; margin-top: 96px; }

.part-head { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 10px 24px; padding-bottom: 12px; border-bottom: 1.5px solid var(--ink); }
.part-head .label { grid-column: 1 / -1; }
.part-head h2 { font-size: clamp(1.5rem, 3.2vw, 2rem); font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase; line-height: 1.15; }
.part-note { font-size: 0.66rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); text-align: right; max-width: 28ch; padding-bottom: 4px; }

.profile { display: grid; gap: 18px; max-width: 62ch; margin-top: 30px; }
.profile p { font-size: 1.05rem; line-height: 1.65; }
.profile p:first-child:not(.empty)::first-line { font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; }

.films { counter-reset: film; display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 34px 24px; margin-top: 30px; }
.film { counter-increment: film; display: grid; gap: 9px; align-content: start; color: inherit; text-decoration: none; }
.film .no { display: flex; justify-content: space-between; font-size: 0.64rem; letter-spacing: 0.14em; color: var(--muted); border-bottom: 1px solid var(--rule); padding-bottom: 5px; }
.film .no::before { content: "No. " counter(film, decimal-leading-zero); }
.film img { width: 100%; aspect-ratio: 2 / 3; object-fit: cover; background: var(--plate); filter: grayscale(1) contrast(1.06) brightness(0.97); mix-blend-mode: multiply; transition: filter 0.3s; }
.film .title { font-size: 0.82rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; line-height: 1.3; }
.film .meta { font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); font-variant-numeric: tabular-nums; }
.film .stars { color: var(--ink); letter-spacing: 0.1em; }
.film:hover img { filter: grayscale(0.15) contrast(1.02); }
.film:hover .title { text-decoration: underline; text-underline-offset: 3px; }
.film:focus-visible { outline: 1.5px solid var(--ink); outline-offset: 6px; }

.empty { grid-column: 1 / -1; padding: 22px; border: 1px dashed var(--faint); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }

footer { margin-top: 120px; padding-bottom: 44px; font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); }
footer .strip { padding-top: 0; border-bottom: 0; }
footer .end { display: flex; justify-content: space-between; gap: 16px; padding-top: 12px; border-top: 1.5px solid var(--ink); color: var(--ink); }

@media (max-width: 900px) {
  :root { --gutter: 44px; --side: 24px; }
  .mast { padding-top: 48px; }
  .sheet { grid-template-columns: 1fr; column-gap: 0; }
  .facts { grid-column: 1; grid-row: 1; grid-template-columns: 1fr 1fr; gap: 26px 24px; }
  .tally { grid-column: 1; grid-row: 2; padding: 44px 0 26px; }
  .trace { grid-column: 1; grid-row: 3; margin-left: calc(-1 * var(--gutter) + 16px); padding-left: calc(var(--gutter) - 16px); }
  main { margin-top: 72px; gap: 72px; }
}

@media (max-width: 560px) {
  :root { --gutter: 26px; --side: 16px; }
  .tab { width: 8px; top: 96px; height: 220px; }
  .tab::after { display: none; }
  .strip { gap: 0.4em 1.4em; }
  .strip::before { margin-right: -0.7em; }
  .mast { grid-template-columns: 1fr; padding: 40px 0 20px; gap: 18px; }
  .mast h1 { font-size: clamp(2.2rem, 10.4vw, 3rem); letter-spacing: 0.16em; margin-right: -0.16em; }
  .mast-side { justify-content: start; }
  .mark { width: 40px; height: 40px; }
  .sheet { padding-top: 30px; }
  .facts { grid-template-columns: 1fr 1fr; gap: 22px 16px; }
  .facts div { grid-template-columns: 1fr; gap: 6px; }
  .trace figcaption span:last-child { margin-left: 0; }
  .part-head { grid-template-columns: 1fr; }
  .part-note { text-align: left; }
  .films { grid-template-columns: repeat(2, 1fr); gap: 26px 14px; }
}

@media (prefers-reduced-motion: reduce) {
  .film img, .ring { transition: none; }
}