@font-face {
  font-family: Fraunces;
  src: url("./fonts/Fraunces.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Source Sans 3";
  src: url("./fonts/SourceSans3.woff2") format("woff2");
  font-weight: 200 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("./fonts/IBMPlexMono-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --paper: #f3ead8;
  --tray: #e7dcc4;
  --tray-lip: #cbbd9e;
  --ink: #1a140e;
  --ink-soft: #4a4034;
  --muted: #6a5e4e;
  --rule: #d2c4a8;
  --rule-strong: #a89474;
  --accent: #a24a28;
  --accent-soft: #c56a42;
  --focus: #2c5f6b;
  --empty: #d9cdb4;
  --shadow: 0 1px 0 rgba(26, 20, 14, 0.08), 0 18px 40px rgba(26, 20, 14, 0.08);
  --serif: Fraunces, "Iowan Old Style", Palatino, serif;
  --sans: "Source Sans 3", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  --measure: 38rem;
  --gutter: clamp(1.05rem, 4vw, 2.4rem);
  --bar: 2.5rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #14110e;
    --tray: #1b1713;
    --tray-lip: #2a241c;
    --ink: #f3ead8;
    --ink-soft: #d4c7ae;
    --muted: #b3a48c;
    --rule: #3a3228;
    --rule-strong: #5c5142;
    --accent: #d27a4a;
    --accent-soft: #e09a6a;
    --focus: #8eb8c0;
    --empty: #2a241c;
    --shadow: 0 1px 0 rgba(0, 0, 0, 0.4), 0 22px 50px rgba(0, 0, 0, 0.35);
  }
}

:root[data-theme="dark"] {
  --paper: #14110e;
  --tray: #1b1713;
  --tray-lip: #2a241c;
  --ink: #f3ead8;
  --ink-soft: #d4c7ae;
  --muted: #b3a48c;
  --rule: #3a3228;
  --rule-strong: #5c5142;
  --accent: #d27a4a;
  --accent-soft: #e09a6a;
  --focus: #8eb8c0;
  --empty: #2a241c;
  --shadow: 0 1px 0 rgba(0, 0, 0, 0.4), 0 22px 50px rgba(0, 0, 0, 0.35);
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--bar) + 0.6rem);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

@media (min-width: 46rem) {
  body { font-size: 1.125rem; line-height: 1.6; }
}

img, svg, canvas { display: block; max-width: 100%; }
button, input { font: inherit; color: inherit; }
a { color: inherit; text-underline-offset: 0.16em; }
a:hover { color: var(--accent); }
:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 80;
  background: var(--tray);
  color: var(--ink);
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--rule-strong);
}
.skip:focus { left: 0.8rem; top: 0.8rem; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-height: var(--bar);
  padding: 0.3rem var(--gutter);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: saturate(1.1) blur(10px);
  border-bottom: 1px solid var(--rule);
  font-family: var(--sans);
  font-size: 0.75rem;
}
.topbar .home {
  font-weight: 600;
  text-decoration: none;
  color: var(--ink-soft);
  flex: none;
}
.topbar .spacer { flex: 1; }
.topnav {
  display: flex;
  gap: 0.1rem;
  overflow-x: auto;
  scrollbar-width: none;
  min-width: 0;
}
.topnav::-webkit-scrollbar { display: none; }
.topnav a {
  padding: 0.2rem 0.5rem;
  text-decoration: none;
  color: var(--muted);
  white-space: nowrap;
}
.topnav a:hover,
.topnav a[aria-current="true"] { color: var(--ink); }
.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--rule-strong);
  background: var(--tray);
  color: var(--ink-soft);
  text-decoration: none;
  font: inherit;
}
.chip[aria-current="true"] {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 1.85rem;
  height: 1.85rem;
  padding: 0;
  border-radius: 999px;
  cursor: pointer;
  color: var(--muted);
  background: var(--tray);
  border: 1px solid var(--rule-strong);
}
.icon-btn svg { display: block; }
.icon-btn svg[hidden] { display: none; }

@media (max-width: 34rem) {
  .topbar .home {
    max-width: 6.4rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}

.wrap {
  width: min(100%, 72rem);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.narrow { width: min(100%, calc(var(--measure) + 2 * var(--gutter))); }

.guess-screen {
  min-height: calc(100dvh - var(--bar));
  display: grid;
  align-content: center;
  padding-block: 1.4rem 4.5rem;
}
.kicker {
  margin: 0 0 0.85rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.guess-screen h1 {
  margin: 0 0 1rem;
  font-family: var(--serif);
  font-size: clamp(1.85rem, 7.2vw, 3.4rem);
  font-weight: 560;
  line-height: 1.08;
  letter-spacing: -0.03em;
  max-width: 14ch;
}
.guess-q {
  margin: 0 0 0.35rem;
  font-size: 1.12rem;
  color: var(--ink-soft);
  max-width: 28ch;
}
.guess-help {
  margin: 0 0 1.4rem;
  color: var(--muted);
}
.guess-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
  max-width: 22rem;
}
.guess-btn {
  min-height: 4.4rem;
  padding: 0.7rem 0.6rem 0.55rem;
  border: 1px solid var(--rule-strong);
  background: var(--tray);
  cursor: pointer;
  text-align: left;
  transition: border-color 160ms var(--ease), transform 160ms var(--ease);
}
.guess-btn strong {
  display: block;
  font-family: var(--serif);
  font-size: clamp(1.8rem, 6vw, 2.4rem);
  font-weight: 550;
  letter-spacing: -0.03em;
  line-height: 1;
}
.guess-btn span {
  display: block;
  margin-top: 0.28rem;
  font-size: 0.75rem;
  color: var(--muted);
}
.guess-btn:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}
.guess-btn[aria-pressed="true"] {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.guess-btn[aria-pressed="true"] span { color: color-mix(in srgb, var(--paper) 70%, transparent); }

@media (min-width: 64rem) {
  .guess-screen {
    grid-template-columns: minmax(18rem, 1fr) minmax(22rem, 1.15fr);
    gap: 3rem;
    align-items: center;
  }
  .guess-copy { padding-right: 1rem; }
  .guess-screen h1 { font-size: 3.6rem; max-width: 12ch; }
}

.tray {
  position: relative;
  background:
    radial-gradient(120% 80% at 50% 0%, rgba(255, 255, 255, 0.04), transparent 55%),
    #1b1713;
  border: 1px solid #3a3228;
  box-shadow: var(--shadow);
  aspect-ratio: 1;
  min-height: 16rem;
}
.tray canvas {
  width: 100%;
  height: 100%;
}
.tray-label {
  position: absolute;
  left: 0.7rem;
  bottom: 0.55rem;
  margin: 0;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #b3a48c;
  pointer-events: none;
}
.reveal-visual {
  margin: 0;
}
.tray-caption {
  margin: 0.55rem 0 0;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--ink-soft);
}
.guess-screen .tray { display: none; }
@media (min-width: 64rem) {
  .guess-screen .tray { display: block; }
}

.reveal {
  padding-block: 0.4rem 3rem;
}
.reveal-head {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 1rem;
}
.count {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(4.2rem, 18vw, 9rem);
  font-weight: 500;
  line-height: 0.88;
  letter-spacing: -0.05em;
}
.count-sub {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.86rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.personal {
  margin: 0.85rem 0 1.2rem;
  color: var(--ink-soft);
  max-width: 34rem;
}
.personal strong { color: var(--ink); font-weight: 650; }

.specimen {
  margin-top: 1.6rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--rule);
  max-width: var(--measure);
}
.specimen-kicker {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.specimen-where { margin: 0.2rem 0 1rem; color: var(--ink-soft); }
.facts {
  display: grid;
  gap: 0.15rem;
  margin: 0 0 1rem;
}
.facts b {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 550;
  letter-spacing: -0.03em;
}
.share-line {
  margin: 0 0 1rem;
  font-size: 1.05rem;
  max-width: 38rem;
}
.caveat {
  display: inline-block;
  margin: 0 0 1.2rem;
  padding: 0.15rem 0;
  border-bottom: 1px solid var(--accent);
  font-size: 0.92rem;
  color: var(--accent);
}

.reveal-grid {
  display: grid;
  gap: 1.1rem;
}
@media (min-width: 64rem) {
  .reveal-grid {
    grid-template-columns: minmax(18rem, 0.9fr) minmax(22rem, 1.2fr);
    gap: 2.4rem 3rem;
    align-items: start;
  }
  .reveal-copy { grid-column: 1; grid-row: 1; }
  .reveal-visual {
    grid-column: 2;
    grid-row: 1 / span 2;
    position: sticky;
    top: calc(var(--bar) + 1rem);
  }
  .specimen { grid-column: 1; grid-row: 2; }
}

.human {
  padding-block: 0.5rem 3.2rem;
}
.human .action { margin: 0 0 1.1rem; }
.human h2,
.years h2,
.split h2,
.feed h2,
.method h2,
.effects h2,
.sources h2,
.share-block h2 {
  margin: 0 0 0.8rem;
  font-family: var(--serif);
  font-size: clamp(1.7rem, 4.4vw, 2.5rem);
  font-weight: 550;
  letter-spacing: -0.03em;
  line-height: 1.15;
}
.lede { margin: 0 0 1.1rem; max-width: 38rem; color: var(--ink-soft); }
.scale {
  display: grid;
  gap: 1rem;
  margin: 1.2rem 0;
  align-items: end;
}
.scale-card {
  padding: 1rem 1rem 0.8rem;
  border: 1px solid var(--rule);
  background: var(--tray);
}
.scale-card p { margin: 0.35rem 0 0; font-size: 0.92rem; color: var(--ink); }
.sil {
  width: 100%;
  height: auto;
  color: var(--ink);
}
.sil-load {
  fill: var(--accent);
  opacity: 0.95;
}
.scale-eq {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  align-self: center;
}
.note {
  margin: 0.2rem 0 1.2rem;
  max-width: 38rem;
  color: var(--muted);
  font-size: 0.95rem;
}
.action {
  appearance: none;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  padding: 0.7rem 1rem;
  cursor: pointer;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.action:hover { background: var(--accent); border-color: var(--accent); }
.action.ghost {
  background: transparent;
  color: var(--ink);
}
.action.ghost:hover {
  background: var(--tray);
  color: var(--ink);
}

.scale-eq,
.human-man { display: none; }
body.is-human .scale-eq,
body.is-human .human-man { display: block; }

@media (min-width: 50rem) {
  body.is-human .scale {
    grid-template-columns: 1fr auto 1fr;
    align-items: stretch;
  }
  body.is-human .scale-eq {
    display: flex;
    align-items: center;
  }
}

.years { padding-block: 0.4rem 3rem; }
.year-list {
  display: grid;
  gap: 0.7rem;
  margin: 1.2rem 0 1.3rem;
}
.year {
  display: grid;
  grid-template-columns: 4.6rem 1fr;
  gap: 0.8rem;
  padding: 0.7rem 0;
  border-top: 1px solid var(--rule);
}
.year:last-child { border-bottom: 1px solid var(--rule); }
.year-y {
  font-family: var(--mono);
  font-size: 0.9rem;
  padding-top: 0.2rem;
}
.year-main b {
  display: block;
  font-family: var(--serif);
  font-size: 1.45rem;
  font-weight: 550;
  letter-spacing: -0.03em;
}
.year-main span { color: var(--muted); font-size: 0.92rem; }
.tag {
  display: inline-block;
  margin-top: 0.3rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}
.year.is-mass { margin-top: 0.6rem; }
.mini-tray {
  width: 100%;
  height: 2.4rem;
  margin-top: 0.45rem;
  background: var(--tray);
  border: 1px solid var(--rule);
}
.mini-tray i {
  display: block;
  height: 100%;
  background: repeating-linear-gradient(
    90deg,
    var(--accent) 0 2px,
    transparent 2px 4px
  );
  opacity: 0.85;
}
.year-2011 .mini-tray i { width: 31%; }
.year-2023 .mini-tray i { width: 45%; }
.year-2024 .mini-tray i { width: 46%; }
.year-2025 .mini-tray i { width: 100%; }
.year-2026 .mini-tray i { width: 72%; }

.verdict {
  display: grid;
  gap: 0.7rem;
  margin: 0 0 1rem;
}
.verdict p { margin: 0; max-width: 38rem; }
.verdict b { font-family: var(--serif); font-weight: 550; }

.split, .feed, .method, .effects, .sources, .share-block {
  padding-block: 0.3rem 2.8rem;
}
.split-grid {
  display: grid;
  gap: 0.8rem;
  margin: 1.1rem 0 1.2rem;
}
.split-cell {
  padding: 0.9rem 0;
  border-top: 1px solid var(--rule);
}
.split-cell small {
  display: block;
  color: var(--muted);
  font-size: 0.88rem;
}
.split-cell b {
  display: block;
  margin: 0.2rem 0;
  font-family: var(--serif);
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  font-weight: 550;
  letter-spacing: -0.03em;
}
@media (min-width: 50rem) {
  .split-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

.method .lede { margin-bottom: 0.4rem; }
details.method-box {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 0.2rem 0;
}
details.method-box summary {
  cursor: pointer;
  font-weight: 650;
  padding: 0.85rem 0;
}
details.method-box p { margin: 0 0 1rem; max-width: 40rem; }

.prose p { margin: 0 0 1rem; max-width: 40rem; }

.source-list {
  display: grid;
  gap: 1.1rem;
  margin: 1.2rem 0 0;
  padding: 0;
  list-style: none;
}
.source-list li {
  padding-top: 0.9rem;
  border-top: 1px solid var(--rule);
  max-width: 42rem;
}
.source-list a { font-weight: 650; }
.source-meta {
  display: block;
  margin: 0.15rem 0 0.35rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
}
.source-list p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }

.score {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.6rem;
  margin: 1rem 0 1.2rem;
  max-width: 28rem;
}
.score div {
  padding: 0.7rem 0.2rem 0.5rem 0;
  border-top: 1px solid var(--rule);
}
.score span {
  display: block;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.score b {
  font-family: var(--serif);
  font-size: 1.7rem;
  font-weight: 550;
}
.share-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.site-footer {
  padding-block: 1.4rem 2.4rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.92rem;
}
.site-footer a { color: var(--ink-soft); }

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

.noscript {
  padding-block: 1.4rem 2rem;
}
.not-found { padding-block: 4rem 3rem; }
.static-field {
  display: grid;
  grid-template-columns: repeat(30, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule-strong);
  aspect-ratio: 1;
  margin: 1rem 0;
}
.static-field b {
  display: block;
  aspect-ratio: 1;
  background: var(--accent-soft);
  opacity: 0.85;
}
.static-field b.empty {
  background: var(--tray);
  opacity: 1;
}

body.is-guessed .guess-screen { display: none; }

.live {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}