@font-face {
  font-family: "Index Display";
  src: url("fonts/Bricolage.413e7357809d.ttf") format("truetype");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Index Text";
  src: url("fonts/Newsreader.8a08d13f8a6c.ttf") format("truetype");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Index Mono";
  src: url("fonts/PlexMono.a9b4c49bb299.ttf") format("truetype");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --paper: #f3efe4;
  --paper-deep: #e7e0d0;
  --ink: #1c1914;
  --muted: #6a645a;
  --line: rgba(28, 25, 20, 0.16);
  --stamp: #b42318;
  --ochre: #b8860b;
  --carbon: #3d3933;
  --forest: #2f5d50;
  --receipt: #fffaf1;
  --display: "Index Display", "Arial Narrow", "Helvetica Neue", sans-serif;
  --text: "Index Text", Georgia, serif;
  --mono: "Index Mono", "SFMono-Regular", Consolas, monospace;
  --shell: min(1120px, calc(100vw - 32px));
}

* { box-sizing: border-box; }
html { background: var(--paper); scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(184, 134, 11, 0.08), transparent 28%),
    var(--paper);
  font-family: var(--text);
  font-size: 1.06rem;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: inherit; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible {
  outline: 3px solid var(--ochre);
  outline-offset: 3px;
}
::selection { background: var(--stamp); color: var(--paper); }
.shell { width: var(--shell); margin-inline: auto; }
.skip {
  position: absolute;
  left: 12px;
  top: -40px;
  background: var(--ink);
  color: var(--paper);
  padding: 0.4rem 0.7rem;
  z-index: 20;
}
.skip:focus { top: 12px; }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.top {
  position: sticky;
  top: 0;
  z-index: 8;
  background: rgba(243, 239, 228, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.top__bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 58px;
}
.top__mark {
  margin: 0;
  font-family: var(--mono);
  letter-spacing: 0.08em;
}
.top__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.lang-switch {
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  border: 1px solid var(--ink);
  padding: 0.28rem 0.55rem;
  text-decoration: none;
}

.hero { padding: 3.4rem 0 2.2rem; }
.hero__grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.4rem;
  align-items: end;
}
.kicker, .eyebrow {
  margin: 0 0 0.7rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--forest);
}
h1 {
  margin: 0 0 1rem;
  font-family: var(--display);
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  line-height: 0.95;
  font-weight: 700;
  letter-spacing: -0.03em;
}
.standfirst {
  margin: 0;
  max-width: 38rem;
  font-size: 1.16rem;
}
.hero-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}
.hero-stat {
  display: grid;
  gap: 0.15rem;
  padding: 0.7rem 0.85rem;
  background: var(--receipt);
  border: 1px solid var(--line);
  box-shadow: 3px 3px 0 rgba(28, 25, 20, 0.08);
}
.hero-stat strong {
  font-family: var(--display);
  font-size: 1.8rem;
  line-height: 1;
}
.hero-stat--stamp { border-color: var(--stamp); }
.hero-stat--stamp strong { color: var(--stamp); }

.section-head { max-width: 40rem; margin-bottom: 1.6rem; }
h2 {
  margin: 0 0 0.7rem;
  font-family: var(--display);
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  line-height: 1.05;
}
.engine, .sentence, .personal, .scenes, .sources { padding: 3.2rem 0; }
.prose, .method, .close { padding: 2.4rem 0; }

.console {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 1.2rem;
  margin-bottom: 1.2rem;
}
.console__controls, .paybox {
  background: var(--receipt);
  border: 1px solid var(--line);
  padding: 1rem;
}
.console__controls {
  display: grid;
  gap: 0.85rem;
}
.console__controls label span, fieldset legend {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}
fieldset { border: 0; margin: 0; padding: 0; }
.choice { display: flex; gap: 0.45rem; align-items: flex-start; margin: 0.25rem 0; }
input[type="number"], select {
  width: 100%;
  border: 1px solid var(--ink);
  background: #fff;
  padding: 0.55rem 0.65rem;
}
.paybox__sum {
  margin: 0.2rem 0 0.5rem;
  font-family: var(--display);
  font-size: clamp(2.8rem, 8vw, 5.2rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
}
.paybox__sum.is-moved { color: var(--stamp); }
.paybox__rate, .paybox__cite { margin: 0 0 0.45rem; color: var(--carbon); }
.copy-btn, .rule-btn, .chip, .to-top {
  border: 1px solid var(--ink);
  background: transparent;
  padding: 0.45rem 0.7rem;
}
.copy-btn { font-family: var(--mono); font-size: 0.78rem; text-transform: uppercase; }
.rule-row {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.55rem;
}
.rule-btn {
  display: grid;
  gap: 0.25rem;
  text-align: left;
  min-height: 72px;
  background: var(--paper);
}
.rule-btn.is-active {
  background: var(--ink);
  color: var(--paper);
}
.rule-btn__index { font-family: var(--mono); font-size: 0.72rem; opacity: 0.7; }

.receipts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.7rem;
}
.receipt {
  background: var(--receipt);
  border: 1px dashed var(--line);
  padding: 0.85rem 0.8rem 1rem;
  min-height: 100%;
}
.receipt.is-selected {
  border: 1px solid var(--stamp);
  box-shadow: 0 0 0 3px rgba(180, 35, 24, 0.12);
}
.receipt__rule, .receipt__kind {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.receipt__amount {
  margin: 0.55rem 0 0.25rem;
  font-family: var(--display);
  font-size: 1.55rem;
  line-height: 1;
}
.receipt__rate, .receipt__span { margin: 0.2rem 0; color: var(--carbon); }
.legal { color: var(--muted); font-size: 0.95rem; }

.clause {
  font-size: clamp(1.2rem, 2.5vw, 1.7rem);
  line-height: 1.45;
}
.clause__pick select {
  width: min(100%, 36rem);
  border: 0;
  border-bottom: 3px solid var(--ochre);
  background: transparent;
  font-family: var(--text);
  font-size: inherit;
  padding: 0.15rem 0;
}
.chips { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.chip { font-family: var(--mono); font-size: 0.75rem; text-transform: uppercase; }

.weights { display: grid; gap: 0.8rem; margin-bottom: 1rem; }
.weights label { display: grid; gap: 0.3rem; }
input[type="range"] { width: 100%; accent-color: var(--stamp); }
.personal__result {
  font-family: var(--display);
  font-size: 2rem;
  margin: 1rem 0 0.4rem;
}

.prose__grid, .scene-grid, .source-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}
.scene, .source-card, .close, .method {
  background: transparent;
}
.scene, .source-card {
  border-top: 1px solid var(--line);
  padding-top: 1rem;
}
.source-card__topline, .source-card__period, .step-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--forest);
}
.source-card__topline { display: flex; justify-content: space-between; gap: 1rem; }
.text-link { font-family: var(--mono); font-size: 0.8rem; }
.steps { margin: 0; padding-left: 1.1rem; display: grid; gap: 0.8rem; }
.close {
  background: var(--ink);
  color: var(--paper);
}
.close .eyebrow { color: var(--ochre); }

.foot {
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.8rem;
}
.foot__grid { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.to-top {
  position: fixed;
  right: 16px;
  bottom: 16px;
  background: var(--paper);
  z-index: 9;
}

@media (max-width: 880px) {
  .hero__grid, .console, .receipts, .rule-row, .prose__grid, .scene-grid, .source-grid {
    grid-template-columns: 1fr;
  }
  .top__nav { display: none; }
  .rule-row { grid-template-columns: 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .paybox__sum { transition: none; }
}