@font-face { font-family: "Newsreader"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/newsreader-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Newsreader"; font-style: normal; font-weight: 500; font-display: swap; src: url("../fonts/newsreader-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "Newsreader"; font-style: normal; font-weight: 600; font-display: swap; src: url("../fonts/newsreader-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/ibm-plex-sans-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-style: italic; font-weight: 400; font-display: swap; src: url("../fonts/ibm-plex-sans-latin-400-italic.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 500; font-display: swap; src: url("../fonts/ibm-plex-sans-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 600; font-display: swap; src: url("../fonts/ibm-plex-sans-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 500; font-display: swap; src: url("../fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2"); }
:root {
  /* Idee: ruhiges Nachschlagewerk. Glasgrün als einzige Akzentfarbe, Roggengold nur im Stil-Spektrum. Lesespalte links, Fakten rechts daneben. */
  --paper: #f5f6f3;
  --surface: #ffffff;
  --ink: #1b2320;
  --muted: #5b6661;
  --line: #d9ddd7;
  --accent: #2e6a58;
  --accent-soft: #e3eee9;
  --rye: #b8862f;
  --warn: #9a4b1f;
  --font-display: "Newsreader", Georgia, "Times New Roman", serif;
  --font-body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #121715;
    --surface: #1a201e;
    --ink: #e6ebe8;
    --muted: #9aa6a0;
    --line: #2d3532;
    --accent: #7cc3ac;
    --accent-soft: #1f2f2a;
    --rye: #d9a54a;
    --warn: #e0905e;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #121715;
  --surface: #1a201e;
  --ink: #e6ebe8;
  --muted: #9aa6a0;
  --line: #2d3532;
  --accent: #7cc3ac;
  --accent-soft: #1f2f2a;
  --rye: #d9a54a;
  --warn: #e0905e;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
}
a { color: var(--accent); text-underline-offset: 2px; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 3px; }

.preview-bar-unused {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12.5px;
  padding: 8px 20px;
  text-align: center;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

header.site {
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}
header.site .wrap { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; flex-wrap: wrap; }
.logo { font-family: var(--font-display); font-size: 22px; font-weight: 600; letter-spacing: 0.01em; color: var(--ink); text-decoration: none; }
.logo span { color: var(--accent); }
nav.toc { display: flex; gap: 18px; flex-wrap: wrap; font-size: 14.5px; }
nav.toc a { color: var(--muted); text-decoration: none; }
nav.toc a:hover { color: var(--accent); }

h1, h2, h3 { font-family: var(--font-display); font-weight: 500; text-wrap: balance; line-height: 1.2; margin: 0; }
h1 { font-size: clamp(34px, 5vw, 52px); letter-spacing: -0.01em; }
h2 { font-size: clamp(26px, 3.4vw, 34px); }
h3 { font-size: 21px; font-weight: 600; }

.intro { padding: 48px 0 36px; display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 48px; align-items: start; }
.intro .lead { font-family: var(--font-display); font-size: clamp(21px, 2.4vw, 25px); line-height: 1.45; margin: 20px 0 0; max-width: 34em; }
.intro .meta { font-family: var(--font-mono); font-size: 13px; color: var(--muted); margin-top: 22px; }

.facts {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 18px 20px;
}
.facts h3 { font-family: var(--font-body); font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin-bottom: 10px; }
.facts dl { margin: 0; display: grid; gap: 12px; }
.facts dt { font-family: var(--font-mono); font-size: 20px; font-weight: 500; color: var(--accent); font-variant-numeric: tabular-nums; }
.facts dd { margin: 0; font-size: 14.5px; color: var(--muted); line-height: 1.45; }
.facts .src { font-size: 12.5px; margin-top: 12px; color: var(--muted); }

section { padding: 44px 0; border-top: 1px solid var(--line); }
.prose { max-width: 66ch; }
.prose p { margin: 14px 0 0; }
.section-head { display: flex; gap: 14px; align-items: baseline; margin-bottom: 6px; }
.section-head .num { font-family: var(--font-mono); font-size: 13px; color: var(--muted); }

.definition {
  margin: 22px 0 0;
  padding: 22px 26px;
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  border-radius: 0 6px 6px 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.3vw, 24px);
  line-height: 1.45;
  max-width: 40em;
}

.criteria { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 26px; }
.crit {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 20px 22px;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 8px;
}
.crit .k { font-family: var(--font-mono); font-size: 13px; color: var(--accent); }
.crit p { margin: 0; }
.crit .test { font-size: 14.5px; color: var(--muted); border-top: 1px dashed var(--line); padding-top: 10px; }

.notcount { margin-top: 26px; max-width: 66ch; }
.notcount ul { margin: 10px 0 0; padding-left: 20px; }
.notcount li { margin: 4px 0; }

/* Stil-Spektrum */
.spectrum { margin-top: 26px; overflow-x: auto; }
.spectrum-inner { min-width: 680px; }
.band {
  height: 16px;
  border-radius: 8px;
  background: linear-gradient(90deg, var(--line) 0%, color-mix(in srgb, var(--rye) 35%, var(--line)) 40%, var(--rye) 80%, color-mix(in srgb, var(--rye) 70%, var(--ink)) 100%);
}
.band-labels { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 12.5px; color: var(--muted); margin-top: 6px; }
.styles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 16px; }
.style {
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 4px solid var(--c);
  border-radius: 6px;
  padding: 14px 16px;
  font-size: 14.5px;
}
.style h3 { font-size: 18px; margin-bottom: 6px; }
.style p { margin: 0; color: var(--muted); }
.style .tag { display: inline-block; margin-top: 10px; font-family: var(--font-mono); font-size: 12px; padding: 2px 8px; border-radius: 99px; background: var(--accent-soft); color: var(--accent); }
.style .tag.no { background: transparent; border: 1px solid var(--warn); color: var(--warn); }
.caption { font-size: 13.5px; color: var(--muted); margin-top: 12px; max-width: 70ch; }

/* Fünf Fragen */
ol.questions { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 0; counter-reset: q; max-width: 760px; }
ol.questions li { counter-increment: q; display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 4px 14px; padding: 16px 0; border-bottom: 1px solid var(--line); }
ol.questions li::before { content: counter(q); font-family: var(--font-display); font-size: 30px; line-height: 1; color: var(--accent); grid-row: span 2; }
ol.questions strong { font-weight: 600; }
ol.questions span { color: var(--muted); font-size: 15.5px; }

/* Selbsttest */
.check { margin-top: 26px; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 22px; max-width: 860px; }
.check fieldset { border: 0; margin: 0; padding: 14px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px 20px; align-items: center; }
.check fieldset:last-of-type { border-bottom: 0; }
.check legend { float: left; padding: 0; font-weight: 500; }
.check .hint { grid-column: 1 / -1; font-size: 14px; color: var(--muted); margin-top: -4px; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg label { padding: 7px 14px; font-size: 14.5px; cursor: pointer; border-left: 1px solid var(--line); user-select: none; }
.seg label:first-of-type { border-left: 0; }
.seg input:checked + label { background: var(--accent); color: var(--surface); }
.seg input:focus-visible + label { outline: 2px solid var(--accent); outline-offset: -2px; }
.result { margin-top: 14px; padding: 14px 16px; border-radius: 6px; background: var(--paper); border: 1px solid var(--line); }
.result strong { display: block; font-family: var(--font-display); font-size: 21px; font-weight: 600; margin-bottom: 4px; }
.result.yes { border-color: var(--accent); background: var(--accent-soft); }
.result.no { border-color: var(--warn); }
.result p { margin: 0; font-size: 15px; }
.reset { margin-top: 12px; background: none; border: 1px solid var(--line); color: var(--muted); font: inherit; font-size: 14px; padding: 6px 12px; border-radius: 6px; cursor: pointer; }
.reset:hover { color: var(--ink); border-color: var(--muted); }

/* Grenzfälle */
.cases { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 24px; }
.case { background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 18px 20px; display: grid; gap: 8px; align-content: start; }
.case p { margin: 0; }
.verdict { font-family: var(--font-mono); font-size: 12.5px; padding: 3px 9px; border-radius: 99px; justify-self: start; }
.verdict.yes { background: var(--accent-soft); color: var(--accent); }
.verdict.no { border: 1px solid var(--warn); color: var(--warn); }
.verdict.open { border: 1px dashed var(--muted); color: var(--muted); }
.case .why { font-size: 14.5px; color: var(--muted); }

.open-list { margin: 18px 0 0; padding-left: 20px; max-width: 66ch; }
.open-list li { margin: 8px 0; }

.faq { max-width: 66ch; margin-top: 18px; }
.faq details { border-bottom: 1px solid var(--line); padding: 12px 0; }
.faq summary { cursor: pointer; font-weight: 500; }
.faq details p { margin: 8px 0 0; color: var(--muted); }

.law-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; margin-top: 24px; }
.law-card { background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 18px 20px; display: grid; gap: 8px; align-content: start; }
.law-card p { margin: 0; }
.law-card .k { font-family: var(--font-mono); font-size: 13px; color: var(--accent); }
.reading { margin-top: 18px; padding: 16px 20px; border: 1px dashed var(--accent); border-radius: 6px; max-width: 66ch; }
.reading p { margin: 6px 0 0; }
.reading .label { font-family: var(--font-mono); font-size: 12.5px; color: var(--accent); }
.table-wrap { overflow-x: auto; margin-top: 22px; }
table.limits { border-collapse: collapse; width: 100%; min-width: 560px; font-size: 15px; }
table.limits caption { text-align: left; font-family: var(--font-display); font-size: 20px; font-weight: 600; padding-bottom: 6px; }
table.limits th, table.limits td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.limits th { font-size: 13px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
table.limits td.n { font-family: var(--font-mono); font-variant-numeric: tabular-nums; white-space: nowrap; }
table.limits tr.hl td { background: var(--accent-soft); }
.compare { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; margin-top: 22px; }
.compare div { background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 16px 18px; font-size: 15px; }
.compare h3 { font-size: 19px; margin-bottom: 6px; }
.compare ul { margin: 0; padding-left: 18px; }
.compare li { margin: 4px 0; }
.wortlaut { margin-top: 22px; max-width: 75ch; }
.wortlaut details { background: var(--surface); border: 1px solid var(--line); border-radius: 6px; margin-top: 10px; }
.wortlaut summary { cursor: pointer; padding: 12px 16px; font-weight: 500; }
.wortlaut .body { padding: 2px 18px 16px; font-family: var(--font-display); font-size: 17px; line-height: 1.55; }
.wortlaut .body p { margin: 10px 0 0; }
.wortlaut .body ul { margin: 6px 0 0; padding-left: 20px; }
.wortlaut .note { font-family: var(--font-body); font-size: 13.5px; color: var(--muted); }

.who { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 40px; align-items: start; }
.who .box { background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 18px 20px; font-size: 15px; }
.who .box p { margin: 0 0 8px; }

ol.sources { margin: 16px 0 0; padding-left: 22px; font-size: 15px; max-width: 75ch; }
ol.sources li { margin: 6px 0; }

footer.site { border-top: 1px solid var(--line); padding: 30px 0 44px; font-size: 14px; color: var(--muted); }
footer.site .cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
footer.site h3 { font-family: var(--font-body); font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink); margin-bottom: 8px; }
footer.site p { margin: 0 0 6px; }
.ph { background: color-mix(in srgb, var(--rye) 22%, transparent); padding: 0 4px; border-radius: 3px; font-family: var(--font-mono); font-size: 0.92em; }
.age { margin-top: 26px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 13.5px; }

@media (max-width: 860px) {
  .intro, .who { grid-template-columns: 1fr; gap: 28px; }
  .criteria, .cases, .law-grid, .compare { grid-template-columns: 1fr; }
  footer.site .cols { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .check fieldset { grid-template-columns: 1fr; }
  nav.toc { gap: 12px; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; } }
html { scroll-behavior: smooth; }

/* Rechtsseiten */
.legal { padding: 44px 0 20px; max-width: 70ch; }
.legal h1 { font-size: clamp(32px, 4.4vw, 44px); margin-bottom: 8px; }
.legal h2 { font-size: 23px; margin-top: 30px; }
.legal p, .legal li { margin: 10px 0 0; }
.legal ul { padding-left: 20px; }
.legal .stand { font-family: var(--font-mono); font-size: 13px; color: var(--muted); }
footer.site nav { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 4px; }
.skip { position: absolute; left: -9999px; top: 0; background: var(--ink); color: var(--paper); padding: 8px 12px; z-index: 10; }
.skip:focus { left: 8px; top: 8px; }
.style.s1 { --c: var(--line); }
.style.s2 { --c: color-mix(in srgb, var(--rye) 40%, var(--line)); }
.style.s3 { --c: var(--rye); }
.style.s4 { --c: color-mix(in srgb, var(--rye) 70%, var(--ink)); }
.definition-note { margin: 18px 0 0; font-size: 14.5px; color: var(--muted); }
h3.src-group { font-family: var(--font-body); font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin-top: 22px; }
.axes { display: grid; gap: 12px; margin-top: 22px; max-width: 900px; }
.axis { background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 14px 18px; display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 10px 18px; align-items: center; }
.axis h3 { font-size: 18px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font-size: 14px; padding: 4px 11px; border-radius: 99px; border: 1px solid var(--line); color: var(--muted); }
.chip.on { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); font-weight: 500; }
.chip.neutral { border-style: dashed; }
@media (max-width: 640px) { .axis { grid-template-columns: 1fr; } }

/* Grafiken */
.fig { margin: 28px 0 0; }
.fig-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--line); border-radius: 6px; background: #f5f6f3; }
.fig-svg { display: block; width: 100%; height: auto; min-width: 760px; }
.fig figcaption { font-size: 13.5px; color: var(--muted); margin-top: 8px; }
.fig-hint { display: none; font-family: var(--font-mono); font-size: 12px; color: var(--muted); margin: 0 0 6px; }
@media (max-width: 800px) { .fig-hint { display: block; } }

/* Wörterbuch */
.gloss { margin: 10px 0 0; display: grid; gap: 10px; }
.gloss div { display: grid; grid-template-columns: 13rem minmax(0, 1fr); gap: 12px; }
.gloss dt { font-weight: 600; }
.gloss dd { margin: 0; color: var(--muted); }
@media (max-width: 640px) { .gloss div { grid-template-columns: 1fr; gap: 2px; } }

/* ================================================================
   Gestaltung 2: ruhige Norm aus dem Brennerei-Labor.
   Kupfer (aus den Zeichnungen) nur für Definition und Abschnittsnummern.
   Schreibmaschinenschrift nur noch für Zahlen und Messwerte.
   ================================================================ */
:root { --copper: #9c6430; --copper-soft: #f3ebe2; --paper: #f4f5f2; --line: #d6dbd5; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --copper: #d7a26a; --copper-soft: #2a221a; }
}
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

body { font-size: 17.5px; line-height: 1.65; }
h2 { font-size: clamp(28px, 3.6vw, 38px); letter-spacing: -0.005em; }
h3 { font-size: 21px; }

/* Kopf */
header.site { padding: 16px 0; background: var(--paper); position: sticky; top: 0; z-index: 5; border-bottom-color: var(--line); }
.logo { font-size: 21px; }
.logo span { color: var(--copper); }
nav.toc { font-size: 14px; gap: 16px; }

/* Einstieg mit der Definition */
.intro { padding: 64px 0 56px; grid-template-columns: minmax(0, 1fr) 290px; gap: 64px; }
h1 { font-size: clamp(40px, 6vw, 68px); letter-spacing: -0.02em; line-height: 1.05; }
.intro .lead { font-family: var(--font-body); font-size: 18.5px; line-height: 1.6; color: var(--muted); max-width: 40em; margin-top: 22px; }
.hero-def { margin: 22px 0 0; padding: 4px 0 4px 28px; border-left: 3px solid var(--copper); }
.hero-def p { margin: 0; font-family: var(--font-display); font-size: clamp(22px, 2.6vw, 29px); line-height: 1.42; color: var(--ink); max-width: 32em; text-wrap: pretty; }
.hero-links { display: flex; flex-wrap: wrap; gap: 10px 22px; margin: 26px 0 0; font-weight: 500; }
.hero-links a { text-decoration: none; border-bottom: 1px solid currentColor; padding-bottom: 1px; }
.hero-links a:hover { color: var(--copper); }
.intro .meta { font-family: var(--font-body); font-size: 14px; margin-top: 18px; }

.facts { background: transparent; border: 0; border-top: 3px solid var(--ink); border-radius: 0; padding: 14px 0 0; }
.facts h3 { font-family: var(--font-display); font-size: 19px; font-weight: 600; text-transform: none; letter-spacing: 0; color: var(--ink); margin-bottom: 12px; }
.facts dl { gap: 14px; }
.facts dl > div { padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.facts dt { font-size: 19px; color: var(--ink); }
.facts dd { font-size: 14px; }

/* Abschnitte */
section { padding: 64px 0; }
.section-head { gap: 16px; margin-bottom: 10px; }
.section-head .num { font-family: var(--font-display); font-size: 20px; color: var(--copper); font-variant-numeric: lining-nums; min-width: 1.6em; }

/* Etiketten: Satzschrift statt Schreibmaschine und Großbuchstaben */
.law-card .k, .reading .label { font-family: var(--font-body); font-size: 14px; font-weight: 600; letter-spacing: 0; color: var(--accent); }
table.limits th { text-transform: none; letter-spacing: 0; font-size: 13.5px; }
h3.src-group, footer.site h3 { text-transform: none; letter-spacing: 0; font-size: 15px; }
h3.src-group { font-family: var(--font-display); font-size: 19px; color: var(--ink); margin-top: 30px; }
.verdict { font-family: var(--font-body); font-size: 13px; font-weight: 500; padding: 3px 10px; }
.fig-hint { font-family: var(--font-body); }

/* Hinweiskästen: Linie links statt gestrichelter Rahmen */
.reading { border: 0; border-left: 3px solid var(--accent); border-radius: 0; background: var(--surface); padding: 16px 22px; }

/* Definition in Abschnitt 04 */
.definition { background: transparent; border-left: 3px solid var(--copper); border-radius: 0; padding: 4px 0 4px 28px; font-size: clamp(21px, 2.3vw, 25px); }
.definition-note { margin-top: 20px; }

/* Kriterien wie Paragrafen einer Norm */
.criteria { grid-template-columns: 1fr; gap: 0; margin-top: 34px; max-width: 820px; border-top: 1px solid var(--line); }
.crit { background: transparent; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; padding: 26px 0; display: grid; grid-template-columns: 64px minmax(0, 1fr); grid-template-rows: none; gap: 0 20px; }
.crit .k { font-family: var(--font-display); font-size: 52px; line-height: 0.9; color: var(--copper); font-weight: 500; }
.crit-body { display: grid; gap: 10px; }
.crit-body h3 { font-size: 24px; }
.crit .test { border-top: 0; padding-top: 2px; font-style: italic; }

/* Karten ruhiger */
.law-card, .case, .compare div, .check, .axis, .who .box, .wortlaut details { border-color: var(--line); }
.case { padding: 20px 22px; }
.case h3 { font-size: 21px; }

/* Fünf Fragen: Kupferziffern */
ol.questions li::before { color: var(--copper); }

/* Fußzeile */
footer.site { background: var(--surface); }

@media (max-width: 860px) {
  .intro { padding: 40px 0 36px; gap: 36px; }
  section { padding: 48px 0; }
}
@media (max-width: 520px) {
  header.site { position: static; }
  .crit { grid-template-columns: 40px minmax(0, 1fr); gap: 0 12px; }
  .crit .k { font-size: 38px; }
  .hero-def { padding-left: 18px; }
}
@media (max-width: 860px) {
  .intro { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  header.site .wrap { display: block; }
  nav.toc { flex-wrap: nowrap; overflow-x: auto; gap: 18px; margin: 10px -20px 0; padding: 0 20px 4px; scrollbar-width: none; }
  nav.toc::-webkit-scrollbar { display: none; }
  nav.toc a { white-space: nowrap; }
  h1 { font-size: 40px; }
}
section[id] { scroll-margin-top: 72px; }