/* modelpoisoning.com
   Palette: lab-bench grey-green paper, deep green ink, belladonna violet as the single accent.
   Type: Archivo (variable width) for display and interface, Source Serif 4 for reading. */

@font-face {
  font-family: "Archivo";
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  font-stretch: 62% 125%;
  src: url("/fonts/archivo-latin-wdth-normal.woff2") format("woff2-variations");
}
@font-face {
  font-family: "Source Serif 4";
  font-style: normal;
  font-display: swap;
  font-weight: 200 900;
  src: url("/fonts/source-serif-4-latin-opsz-normal.woff2") format("woff2-variations");
}
@font-face {
  font-family: "Source Serif 4";
  font-style: italic;
  font-display: swap;
  font-weight: 200 900;
  src: url("/fonts/source-serif-4-latin-opsz-italic.woff2") format("woff2-variations");
}

:root {
  --paper: #EDF0EC;
  --paper-2: #E2E7E2;
  --panel: #F6F8F5;
  --ink: #18201B;
  --ink-2: #3B463F;
  --muted: #5E6A63;
  --rule: #C7CFC9;
  --dot: #A9B4AD;
  --accent: #5B2C83;
  --accent-ink: #4A2270;
  --accent-soft: #E7E0EF;
  --focus: #5B2C83;

  --display: "Archivo", "Arial Narrow", system-ui, sans-serif;
  --text: "Source Serif 4", Georgia, "Times New Roman", serif;

  --wrap: 72rem;
  --measure: 40rem;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #131915;
    --paper-2: #19211C;
    --panel: #1A221D;
    --ink: #E2E8E3;
    --ink-2: #C2CBC5;
    --muted: #96A29A;
    --rule: #2D3731;
    --dot: #3E4A43;
    --accent: #B79BE0;
    --accent-ink: #CDB7EC;
    --accent-soft: #2A2335;
    --focus: #CDB7EC;
    color-scheme: dark;
  }
}

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

html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--text);
  font-size: 1.125rem;
  line-height: 1.65;
  font-optical-sizing: auto;
  text-rendering: optimizeLegibility;
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover { color: var(--accent-ink); text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 2px; }

.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }

.skip {
  position: absolute; left: 1rem; top: -4rem; z-index: 10;
  background: var(--ink); color: var(--paper); padding: .5rem 1rem;
  font-family: var(--display); text-decoration: none;
}
.skip:focus { top: 1rem; }

/* ---------- Header ---------- */
.site-header { border-bottom: 1px solid var(--rule); }
.header-row {
  display: flex; align-items: center; gap: 1.5rem;
  min-height: 4.25rem; flex-wrap: wrap;
}
.brand { color: var(--ink); text-decoration: none; margin-right: auto; }
.brand:hover { color: var(--ink); }

.wm {
  font-family: var(--display);
  font-stretch: 72%;
  font-weight: 760;
  font-size: 1.45rem;
  letter-spacing: -0.01em;
  line-height: 1;
}
.wm .i { position: relative; display: inline-block; }
.wm .i::after {
  content: "";
  position: absolute; left: 50%; top: 0.01em;
  width: 0.2em; height: 0.2em; border-radius: 50%;
  transform: translateX(-50%);
  background: currentColor;
}
.wm .i.p::after { background: var(--accent); }

.site-header nav ul {
  display: flex; gap: 1.25rem; list-style: none; margin: 0; padding: 0; flex-wrap: wrap;
}
.site-header nav a, .lang {
  font-family: var(--display); font-size: 0.95rem; font-weight: 500;
  color: var(--ink-2); text-decoration: none;
}
.site-header nav a:hover, .lang:hover { color: var(--accent); }
.site-header nav a[aria-current="page"] { color: var(--ink); box-shadow: inset 0 -2px 0 var(--accent); }
.lang {
  border: 1px solid var(--rule); border-radius: 999px; padding: 0.2rem 0.75rem;
}

@media (max-width: 46rem) {
  .header-row { padding-block: 0.75rem; gap: 0.75rem 1rem; }
  .site-header nav { order: 3; width: 100%; }
  .site-header nav ul { gap: 1rem; }
}

/* ---------- Display type ---------- */
h1, h2, h3 {
  font-family: var(--display);
  color: var(--ink);
  line-height: 1.08;
  text-wrap: balance;
}
h1 { font-stretch: 70%; font-weight: 780; letter-spacing: -0.015em; }
h2 { font-stretch: 82%; font-weight: 700; font-size: 1.6rem; margin: 2.6rem 0 0.8rem; }
h3 { font-stretch: 92%; font-weight: 650; font-size: 1.2rem; margin: 1.8rem 0 0.5rem; }

.lead { font-size: clamp(1.12rem, 1rem + 0.8vw, 1.3rem); line-height: 1.5; color: var(--ink-2); max-width: 36rem; }
.muted { color: var(--muted); font-size: 0.95rem; }

/* ---------- Buttons ---------- */
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem 1.5rem; align-items: center; margin-top: 1.75rem; }
.btn {
  display: inline-block;
  font-family: var(--display); font-weight: 600; font-size: 1rem;
  background: var(--ink); color: var(--paper);
  padding: 0.75rem 1.25rem; border-radius: 4px; text-decoration: none;
}
.btn:hover { background: var(--accent); color: #fff; }
.btn-quiet { font-family: var(--display); font-weight: 600; font-size: 1rem; }

/* ---------- Hero ---------- */
.hero { padding-top: clamp(2.5rem, 7vw, 5.5rem); }
.hero h1 {
  font-size: clamp(3rem, 10.5vw, 8.25rem);
  font-stretch: 64%;
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -0.02em;
  max-width: 11ch;
  margin: 0 0 1.5rem;
}
.dotfield { margin-top: clamp(2rem, 5vw, 3.5rem); margin-bottom: 0; }
.dots { display: block; width: 100%; height: auto; }
.dots.narrow { display: none; }
@media (max-width: 40rem) {
  .dots.wide { display: none; }
  .dots.narrow { display: block; }
}
.dots circle { fill: var(--dot); }
.dots circle.p { fill: var(--dot); animation: dose 1.4s cubic-bezier(.2,.7,.2,1) 0.9s forwards; }
@keyframes dose {
  to { fill: var(--accent); }
}
@media (prefers-reduced-motion: reduce) {
  .dots circle.p { animation: none; fill: var(--accent); }
}
.dotfield figcaption {
  font-size: 0.95rem; line-height: 1.55; color: var(--muted);
  max-width: 44rem; margin-top: 1rem;
}

/* ---------- Home sections ---------- */
.section {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  margin-top: clamp(2.5rem, 6vw, 4.5rem);
  background: linear-gradient(var(--rule), var(--rule)) top center / calc(100% - 2 * var(--gutter)) 1px no-repeat;
}
.section + .section { margin-top: 0; }
.section-head h2 { margin-top: 0; font-size: clamp(1.8rem, 3.5vw, 2.4rem); }
.section-head p { color: var(--ink-2); margin: 0.25rem 0 0.75rem; max-width: 30rem; }
.section-head p a { font-family: var(--display); font-weight: 600; font-size: 1rem; }

@media (min-width: 60rem) {
  .split { display: grid; grid-template-columns: 19rem 1fr; gap: 3rem; align-items: start; }
  #articles { display: grid; grid-template-columns: 19rem 1fr; gap: 3rem; align-items: start; }
}

.rows { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); }
.rows li { border-bottom: 1px solid var(--rule); }
.rows a {
  display: grid; gap: 0.2rem 2rem; padding: 1.1rem 0;
  color: var(--ink); text-decoration: none;
}
@media (min-width: 46rem) {
  .rows a { grid-template-columns: 1fr auto; }
  .rows .row-dek { grid-column: 1; }
  .rows .row-meta { grid-column: 2; grid-row: 1; align-self: baseline; }
}
.row-title {
  font-family: var(--display); font-stretch: 85%; font-weight: 680; font-size: 1.35rem; line-height: 1.2;
}
.row-dek { color: var(--ink-2); font-size: 1rem; line-height: 1.5; max-width: 40rem; }
.row-meta { font-family: var(--display); font-size: 0.85rem; color: var(--muted); white-space: nowrap; }
.rows a:hover .row-title { color: var(--accent); }

/* Compact timeline on home */
.timeline.compact { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); }
.timeline.compact li {
  display: grid; grid-template-columns: 4.5rem 1fr; gap: 1rem;
  padding: 0.7rem 0; border-bottom: 1px solid var(--rule);
}
.timeline.compact .tl-year {
  font-family: var(--display); font-weight: 700; font-stretch: 80%;
  font-variant-numeric: tabular-nums; color: var(--accent);
}
.timeline.compact .tl-year[aria-hidden="true"] { visibility: hidden; }
.timeline.compact .tl-title { font-size: 1.02rem; line-height: 1.45; }

.termlist { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 0.6rem; }
.termlist a {
  display: inline-block; padding: 0.4rem 0.85rem; border: 1px solid var(--rule); border-radius: 999px;
  font-family: var(--display); font-size: 0.98rem; color: var(--ink); text-decoration: none; background: var(--panel);
}
.termlist a:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Article ---------- */
.article-layout { display: grid; gap: 0 4rem; padding-top: clamp(2rem, 5vw, 3.5rem); }
@media (min-width: 64rem) {
  .article-layout { grid-template-columns: minmax(0, var(--measure)) 15rem; }
  .rail { grid-column: 2; grid-row: 1; }
  .read-next { grid-column: 1 / -1; }
}
.article { min-width: 0; }
.article-head h1 { font-size: clamp(2.3rem, 5.5vw, 3.6rem); margin: 0 0 1rem; }
.dek {
  font-size: clamp(1.15rem, 1rem + 0.8vw, 1.3rem); line-height: 1.45; font-style: italic; color: var(--ink-2); margin: 0 0 1rem;
}
.meta { font-family: var(--display); font-size: 0.9rem; color: var(--muted); margin: 0 0 2rem; }

.summary {
  background: var(--panel);
  border-left: 4px solid var(--accent);
  padding: 1.1rem 1.4rem 0.4rem;
  margin: 0 0 2.25rem;
  border-radius: 0 4px 4px 0;
}
.summary h2 { font-size: 1.1rem; margin: 0 0 0.4rem; font-stretch: 90%; }
.summary ul { padding-left: 1.1rem; margin: 0 0 0.9rem; }
.summary li { margin-bottom: 0.4rem; font-size: 1.04rem; }

.prose { max-width: var(--measure); }
.prose p, .prose ul, .prose ol { margin: 0 0 1.15rem; }
.prose li { margin-bottom: 0.35rem; }
.prose li::marker { color: var(--muted); }
.prose strong { font-weight: 650; }
.prose code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 0.88em;
  background: var(--accent-soft); color: var(--accent-ink); padding: 0.08em 0.35em; border-radius: 3px;
}
.prose h2 { scroll-margin-top: 1.5rem; }

.sources {
  margin-top: 3rem; padding-top: 1.25rem; border-top: 1px solid var(--rule);
  font-size: 0.95rem; line-height: 1.55; color: var(--ink-2);
}
.sources h2 { font-size: 1.15rem; margin-top: 0; }
.sources ul { padding-left: 1.1rem; }

.rail { display: none; }
@media (min-width: 64rem) {
  .rail { display: block; }
  .toc { position: sticky; top: 2rem; padding-top: 0.4rem; }
  .toc h2 { font-size: 0.95rem; margin: 0 0 0.6rem; font-stretch: 90%; color: var(--muted); font-weight: 600; }
  .toc ol { list-style: none; padding: 0; margin: 0; border-left: 1px solid var(--rule); }
  .toc a {
    display: block; padding: 0.3rem 0 0.3rem 0.9rem; margin-left: -1px;
    font-family: var(--display); font-size: 0.9rem; line-height: 1.35;
    color: var(--ink-2); text-decoration: none; border-left: 2px solid transparent;
  }
  .toc a:hover { color: var(--accent); border-left-color: var(--accent); }
}

.read-next { margin-top: 3.5rem; padding-bottom: 1rem; }
.read-next h2 { font-size: 1.4rem; margin: 0 0 1rem; }

/* Full timeline */
.timeline:not(.compact) { list-style: none; margin: 2rem 0 2.5rem; padding: 0; }
.tl-item { scroll-margin-top: 1.5rem; display: grid; grid-template-columns: 4.25rem 1fr; gap: 1.25rem; position: relative; }
.tl-item .tl-year {
  font-family: var(--display); font-weight: 800; font-stretch: 70%;
  font-size: 1.5rem; line-height: 1.2; color: var(--accent); padding-top: 0.05rem;
}
.tl-body { border-left: 1px solid var(--rule); padding: 0 0 1.75rem 1.25rem; position: relative; }
.tl-body::before {
  content: ""; position: absolute; left: -5px; top: 0.55rem;
  width: 9px; height: 9px; border-radius: 50%; background: var(--dot);
}
.tl-body h3 { margin: 0 0 0.2rem; font-size: 1.15rem; line-height: 1.25; }
.tl-date { font-family: var(--display); font-size: 0.85rem; color: var(--muted); margin: 0 0 0.5rem !important; }
.tl-body p { margin: 0 0 0.6rem; font-size: 1.02rem; }
.tl-links { font-family: var(--display); font-size: 0.9rem; display: flex; gap: 1.25rem; flex-wrap: wrap; }
@media (max-width: 30rem) {
  .tl-item { grid-template-columns: 1fr; gap: 0.2rem; }
  .tl-item .tl-year:empty { display: none; }
}

/* ---------- Plain pages & glossary ---------- */
.page { padding-top: clamp(2rem, 5vw, 3.5rem); padding-bottom: 2rem; }
.page h1 { font-size: clamp(2.3rem, 5.5vw, 3.6rem); margin: 0 0 1.25rem; max-width: 18ch; }
.page .prose { max-width: var(--measure); }

.glossary .lead { margin-bottom: 2.5rem; }
.letter { display: grid; grid-template-columns: 3rem 1fr; gap: 1rem; border-top: 1px solid var(--rule); padding-top: 1rem; max-width: 50rem; }
.letter-mark {
  margin: 0; font-family: var(--display); font-weight: 800; font-stretch: 70%;
  font-size: 2rem; line-height: 1; color: var(--accent);
}
.letter dl { margin: 0 0 1.25rem; }
.term { margin-bottom: 1.25rem; scroll-margin-top: 1.5rem; }
.term:target dt { color: var(--accent); }
.term dt { font-family: var(--display); font-weight: 680; font-stretch: 88%; font-size: 1.2rem; line-height: 1.25; }
.term dd { margin: 0.2rem 0 0; font-size: 1.04rem; color: var(--ink-2); }
.term-link { display: inline-block; font-family: var(--display); font-size: 0.9rem; margin-left: 0.35rem; }

/* ---------- Footer ---------- */
.site-footer {
  margin-top: clamp(3rem, 7vw, 5rem); padding-block: 2.5rem 3rem;
  border-top: 1px solid var(--rule); background: var(--paper-2);
  font-size: 0.95rem; color: var(--ink-2);
}
.footer-grid { display: grid; gap: 1.5rem 3rem; }
@media (min-width: 46rem) { .footer-grid { grid-template-columns: 1fr auto; } }
.footer-grid p { margin: 0 0 0.6rem; max-width: 34rem; }
.footer-brand { color: var(--ink); }
.footer-brand .wm { font-size: 1.25rem; }
.footer-links { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.4rem; font-family: var(--display); }
.footer-links a { color: var(--ink-2); text-decoration: none; }
.footer-links a:hover { color: var(--accent); text-decoration: underline; }

@media print {
  .site-header nav, .lang, .rail, .read-next, .site-footer, .dotfield { display: none; }
  body { background: #fff; color: #000; }
}