:root {
  color-scheme: light;
  --paper: #fbfaf6;
  --paper-warm: #f3efe7;
  --surface: #ffffff;
  --surface-soft: #f6f8f7;
  --ink: #20242a;
  --muted: #59646d;
  --quiet: #65717a;
  --line: #d6dcd5;
  --accent: #3f7080;
  --accent-dark: #315c69;
  --accent-soft: #edf3f5;
  --reset: #4f715f;
  --reset-dark: #3f5c4c;
  --reset-soft: #edf2ef;
  --focus: #b44719;
  --shadow-soft: 0 10px 28px rgba(31, 36, 42, 0.08);
  --radius: 8px;
  --max: 1080px;
  --reading: 720px;
  --header-height: 69px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }

h1,
h2,
h3,
p,
a,
span,
blockquote {
  overflow-wrap: anywhere;
}

:where(a, summary):focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  transform: translateY(-160%);
  padding: 10px 14px;
  border-radius: 6px;
  background: var(--ink);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(214, 220, 213, 0.85);
  background: rgba(251, 250, 246, 0.95);
  backdrop-filter: blur(14px);
}

.nav,
.container,
.footer-inner {
  width: min(100% - 40px, var(--max));
  margin-inline: auto;
}

.nav {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-weight: 760;
  line-height: 1.25;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  grid-template-columns: repeat(3, 1fr);
  align-items: end;
  gap: 3px;
  padding: 8px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent-dark), #1d6b66);
}

.brand-mark span {
  display: block;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.94);
}

.brand-mark span:nth-child(1) { height: 9px; }
.brand-mark span:nth-child(2) { height: 16px; }
.brand-mark span:nth-child(3) { height: 12px; }

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
}

.desktop-nav a { text-decoration: none; }

.desktop-nav a:hover,
.desktop-nav a[aria-current="page"] {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}

.mobile-navigation { display: none; }

.mobile-navigation summary {
  min-height: 42px;
  padding: 8px 12px;
  border: 1px solid color-mix(in srgb, var(--accent) 38%, transparent);
  border-radius: 6px;
  color: var(--accent-dark);
  font-size: 14px;
  font-weight: 750;
  cursor: pointer;
  list-style: none;
}

.mobile-navigation summary::-webkit-details-marker { display: none; }
.mobile-navigation summary::after { content: "+"; margin-left: 7px; }
.mobile-navigation[open] summary::after { content: "−"; }

.mobile-navigation nav {
  position: absolute;
  right: 20px;
  left: 20px;
  top: calc(100% - 1px);
  display: grid;
  gap: 2px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 0 0 var(--radius) var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.mobile-navigation nav a {
  padding: 11px 12px;
  border-radius: 5px;
  color: var(--muted);
  text-decoration: none;
}

.mobile-navigation nav a:hover {
  background: var(--accent-soft);
  color: var(--ink);
}

.breadcrumb {
  padding: 24px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumb li:not(:last-child)::after {
  content: "/";
  margin-left: 8px;
  color: var(--quiet);
}

.breadcrumb a { text-underline-offset: 4px; }

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid rgba(214, 220, 213, 0.72);
  background: linear-gradient(180deg, rgba(237, 243, 245, 0.96), var(--paper));
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.5;
  background-image:
    linear-gradient(rgba(63, 112, 128, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(63, 112, 128, 0.07) 1px, transparent 1px);
  background-size: 42px 42px;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 54px;
  align-items: end;
  padding: 58px 0 62px;
}

.hero-copy { min-width: 0; }

.eyebrow,
.section-kicker,
.card-kicker,
.meta-label {
  margin: 0;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

h1 {
  max-width: 820px;
  margin: 14px 0 0;
  font-size: clamp(38px, 5vw, 58px);
  line-height: 1.06;
  letter-spacing: -0.035em;
}

.hero-lede {
  max-width: 720px;
  margin: 20px 0 0;
  color: #394047;
  font-size: 18px;
}

.hero-note {
  margin: 0;
  padding: 22px;
  border: 1px solid rgba(63, 112, 128, 0.22);
  border-top: 4px solid var(--accent);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-soft);
  color: var(--muted);
  font-size: 15px;
}

.hero-note strong {
  display: block;
  margin-bottom: 6px;
  color: var(--ink);
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
  margin-top: 24px;
}

.back-link,
.text-link {
  color: var(--accent-dark);
  font-weight: 720;
  text-underline-offset: 4px;
}

.section { padding: 64px 0 78px; }

.section.tint {
  border-block: 1px solid rgba(214, 220, 213, 0.72);
  background: var(--paper-warm);
}

.section-header {
  max-width: 720px;
  margin-bottom: 30px;
}

.section-title {
  margin: 10px 0 0;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.16;
  letter-spacing: -0.025em;
}

.section-intro {
  margin: 14px 0 0;
  color: var(--muted);
}

.jump-nav {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px 28px;
  align-items: center;
  margin-bottom: 42px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.jump-nav h2 {
  margin: 0;
  font-size: 16px;
}

.jump-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.jump-list a {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--accent-dark);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.jump-list a:hover { background: var(--accent-soft); }

.field-section {
  scroll-margin-top: calc(var(--header-height) + 24px);
  padding: 58px 0 66px;
  border-top: 1px solid var(--line);
}

.field-section:first-of-type { border-top: 0; }

.field-heading {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  margin-bottom: 26px;
}

.field-number {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1px solid rgba(63, 112, 128, 0.38);
  border-radius: 50%;
  color: var(--accent-dark);
  font-size: 14px;
  font-weight: 800;
}

.field-heading h2 {
  margin: 0;
  font-size: clamp(27px, 3.5vw, 38px);
  line-height: 1.16;
  letter-spacing: -0.025em;
}

.field-heading p {
  max-width: 680px;
  margin: 10px 0 0;
  color: var(--muted);
}

.article-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-left: 84px;
}

.article-card {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 0;
  flex-direction: column;
  padding: 28px 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 8px 24px rgba(31, 45, 50, 0.045);
}

.article-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  border-radius: var(--radius) var(--radius) 0 0;
  background: var(--accent);
}

.field-section:nth-of-type(3) .article-card::before { background: var(--reset); }
.field-section:nth-of-type(4) .article-card::before { background: #1d6b66; }

.card-context {
  display: flex;
  flex-wrap: wrap;
  gap: 7px 10px;
  align-items: center;
}

.workflow-hint {
  color: var(--quiet);
  font-size: 13px;
  font-weight: 650;
}

.workflow-hint::before {
  content: "·";
  margin-right: 10px;
}

.article-card h3 {
  margin: 13px 0 0;
  font-size: 23px;
  line-height: 1.22;
  letter-spacing: -0.015em;
}

.article-card h3 a {
  color: var(--ink);
  text-decoration: none;
}

.article-card h3 a:hover,
.article-card h3 a:focus-visible {
  color: var(--accent-dark);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--accent) 54%, transparent);
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}

.card-teaser {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 15px;
}

.card-status {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 22px;
  color: var(--quiet);
  font-size: 13px;
  font-weight: 680;
}

.card-status::before {
  content: "";
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border: 1px solid currentColor;
  border-radius: 50%;
  background: var(--paper);
}

.card-status.available {
  color: var(--accent-dark);
}

.card-status.available::before {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: inset 0 0 0 2px var(--surface);
}

.prototype-note {
  margin: 0 0 42px;
  padding: 16px 18px;
  border-left: 4px solid var(--accent);
  background: var(--accent-soft);
  color: var(--muted);
  font-size: 14px;
}

.article-hero .hero-inner {
  display: block;
  max-width: 920px;
}

.article-hero h1 { max-width: 900px; }

.article-intro {
  max-width: var(--reading);
  margin-top: 28px;
  color: #394047;
  font-size: 18px;
}

.article-intro p { margin: 14px 0 0; }

.orientation {
  max-width: var(--reading);
  margin-top: 30px;
  padding: 22px 24px;
  border: 1px solid rgba(63, 112, 128, 0.28);
  border-left: 5px solid var(--accent);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-soft);
}

.orientation h2 {
  margin: 0;
  font-size: 17px;
}

.orientation p {
  margin: 10px 0 0;
  color: var(--ink);
  font-size: 19px;
  line-height: 1.55;
}

.article-disclaimer {
  max-width: var(--reading);
  margin-top: 52px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.article-disclaimer p { margin: 0; }

.article-disclaimer p + p { margin-top: 5px; }

.article-disclaimer-label {
  color: var(--quiet);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.article-shell {
  display: grid;
  grid-template-columns: minmax(0, var(--reading)) 260px;
  grid-template-areas: "body aside";
  gap: 64px;
  align-items: start;
}

.article-body {
  grid-area: body;
  min-width: 0;
}

.article-body > *:first-child { margin-top: 0; }

.article-body h2 {
  scroll-margin-top: calc(var(--header-height) + 24px);
  margin: 54px 0 0;
  font-size: clamp(26px, 3.4vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.article-body h3 {
  margin: 34px 0 0;
  font-size: 21px;
  line-height: 1.3;
}

.article-body p,
.article-body ol {
  margin-block: 18px 0;
}

.article-body ol { padding-left: 24px; }
.article-body li + li { margin-top: 8px; }

.article-body blockquote {
  margin: 24px 0;
  padding: 4px 0 4px 22px;
  border-left: 4px solid var(--accent);
  color: #394047;
  font-size: 18px;
}

.article-body blockquote p { margin: 0; }

.article-body code {
  padding: 2px 5px;
  border-radius: 4px;
  background: var(--surface-soft);
  font: 0.92em ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.context-links {
  display: grid;
  gap: 16px;
  margin: 38px 0 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.context-links h2 {
  margin: 0;
  font-size: 20px;
}

.context-links p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.context-links ul {
  display: grid;
  gap: 9px;
  margin: 0;
  padding-left: 20px;
}

.context-links a {
  color: var(--accent-dark);
  font-weight: 700;
  text-underline-offset: 4px;
}

.article-aside {
  grid-area: aside;
  position: sticky;
  top: calc(var(--header-height) + 28px);
  display: grid;
  gap: 18px;
}

.aside-panel {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.aside-panel h2 {
  margin: 0;
  font-size: 17px;
}

.aside-panel ol,
.aside-panel ul {
  display: grid;
  gap: 10px;
  margin: 14px 0 0;
  padding-left: 20px;
  color: var(--muted);
  font-size: 14px;
}

.aside-panel a {
  color: var(--accent-dark);
  text-decoration: none;
}

.aside-panel a:hover,
.aside-panel a:focus-visible,
.aside-panel a[aria-current="true"] {
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--accent) 58%, transparent);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.boundary-note {
  padding: 20px;
  border-left: 4px solid var(--reset);
  background: var(--reset-soft);
  color: var(--muted);
  font-size: 14px;
}

.boundary-note strong {
  display: block;
  margin-bottom: 6px;
  color: var(--ink);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.related-card {
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.related-card h3 {
  margin: 10px 0 0;
  font-size: 20px;
  line-height: 1.28;
}

.source-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.source-item {
  min-width: 0;
  padding: 22px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.source-item:nth-child(2n) { border-right: 0; }
.source-item:nth-last-child(-n + 2) { border-bottom: 0; }

.source-item p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.route-panel {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  align-items: center;
  justify-content: space-between;
  padding: 26px;
  border: 1px solid rgba(63, 112, 128, 0.24);
  border-radius: var(--radius);
  background: var(--accent-soft);
}

.route-panel p {
  margin: 0;
  color: var(--muted);
}

.route-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 20px;
}

.route-links a {
  color: var(--accent-dark);
  font-weight: 720;
  text-underline-offset: 4px;
}

/*
 * Article template v2
 *
 * Reusable long-form reading system. Future articles opt in with the
 * `article-template-v2` body class, a semantic `data-color-scope` value and
 * the matching quickstart/action blocks.
 */

.article-template-v2 {
  --accent: var(--nd-page-accent, #3f7080);
  --accent-dark: var(--nd-page-accent-hover, #315c69);
  --accent-soft: var(--nd-page-accent-soft, #edf3f5);
  --article-progress: 0%;
  --article-section-accent: var(--accent);
}

.article-template-v2 .hero::before {
  background-image:
    linear-gradient(color-mix(in srgb, var(--accent) 7%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--accent) 7%, transparent) 1px, transparent 1px);
}

.article-template-v2 .hero-inner {
  gap: 46px;
  padding: 44px 0 46px;
}

.article-template-v2 .hero-links {
  margin-top: 18px;
}

.article-template-v2 article > .section {
  padding-top: 46px;
}

.article-template-v2 .reading-progress {
  position: fixed;
  top: var(--header-height);
  right: 0;
  left: 0;
  z-index: 19;
  height: 3px;
  pointer-events: none;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}

.article-template-v2 .reading-progress span {
  display: block;
  width: var(--article-progress);
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-dark));
  transition: width 120ms linear;
}

.article-reading-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.article-reading-meta li {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  gap: 8px;
  padding: 7px 11px;
  border: 1px solid color-mix(in srgb, var(--accent) 24%, transparent);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.66);
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 720;
}

.article-reading-meta li::before {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

.article-template-v2 .hero-note {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  margin-top: 0;
  padding: 14px 18px;
  border-top-width: 3px;
  box-shadow: 0 10px 28px rgba(31, 36, 42, 0.07);
}

.article-template-v2 .hero-note strong {
  margin: 0;
}

.article-template-v2 .article-shell {
  gap: 70px;
}

.article-template-v2 .article-body {
  counter-reset: article-section;
  color: #303941;
  font-size: 18px;
  line-height: 1.72;
}

.article-template-v2 .article-body > .article-quickstart + p {
  margin-top: 40px;
  color: #28333b;
  font-size: 20px;
  line-height: 1.62;
}

.article-quickstart {
  position: relative;
  overflow: hidden;
  padding: 25px 26px 26px;
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
  border-radius: 11px;
  background:
    radial-gradient(circle at 100% 0, color-mix(in srgb, var(--accent) 11%, transparent), transparent 38%),
    linear-gradient(145deg, #ffffff, color-mix(in srgb, var(--accent-soft) 78%, #ffffff));
  box-shadow: 0 10px 28px rgba(31, 45, 50, 0.075);
}

.article-quickstart::before {
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-dark));
  content: "";
}

.article-quickstart .section-kicker,
.article-action .section-kicker {
  margin: 0;
}

.article-quickstart h2 {
  margin: 8px 0 0;
  color: var(--ink);
  font-size: clamp(25px, 3vw, 31px);
  line-height: 1.18;
  letter-spacing: -0.02em;
}

.article-quickstart h2 em {
  color: var(--accent-dark);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
}

.article-takeaways {
  counter-reset: takeaway;
  display: grid;
  gap: 0;
  overflow: hidden;
  margin: 18px 0 0;
  padding: 0;
  border: 1px solid color-mix(in srgb, var(--accent) 18%, transparent);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  list-style: none;
}

.article-takeaways li {
  counter-increment: takeaway;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  min-width: 0;
  padding: 12px 14px;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 16%, transparent);
  color: #394047;
  font-size: 15.5px;
  line-height: 1.52;
}

.article-takeaways li:last-child {
  border-bottom: 0;
}

.article-takeaways li::before {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 800;
  content: counter(takeaway, decimal-leading-zero);
}

.article-template-v2 .article-body > h2:not(#quellenhinweise) {
  counter-increment: article-section;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 15px;
  align-items: center;
  margin-top: 66px;
  padding-top: 42px;
  border-top: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
}

.article-template-v2 .article-body > h2:not(#quellenhinweise)::before {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--accent) 34%, transparent);
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 820;
  letter-spacing: 0.04em;
  content: counter(article-section, decimal-leading-zero);
}

.article-template-v2 .article-body > h3 {
  position: relative;
  margin-top: 38px;
  padding: 13px 0 13px 20px;
  border: 0;
  border-left: 4px solid var(--article-section-accent);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  font-size: 22px;
}

.article-template-v2 .article-body > p {
  margin-top: 20px;
}

.article-template-v2 .article-body > :where(ul, ol):not(.source-list) {
  margin-top: 24px;
  padding: 22px 24px 22px 50px;
  border: 1px solid rgba(214, 220, 213, 0.95);
  border-radius: 10px;
  background: var(--surface-soft);
}

.article-template-v2 .article-body > :where(ul, ol):not(.source-list) li {
  padding-left: 4px;
}

.article-template-v2 .article-body blockquote {
  position: relative;
  margin: 28px 0;
  padding: 19px 22px 19px 58px;
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
  border-radius: 10px;
  background: var(--accent-soft);
  color: #2c3d45;
  box-shadow: 0 8px 22px rgba(31, 45, 50, 0.05);
}

.article-template-v2 .article-body blockquote::before {
  position: absolute;
  top: 18px;
  left: 20px;
  color: var(--accent);
  font-family: Georgia, serif;
  font-size: 38px;
  font-weight: 700;
  line-height: 1;
  content: "“";
}

.article-template-v2 .article-body .related-card {
  margin-top: 34px;
  border-color: color-mix(in srgb, var(--accent) 26%, transparent);
  background: linear-gradient(135deg, var(--accent-soft), #ffffff);
  box-shadow: 0 10px 26px rgba(31, 45, 50, 0.06);
}

.article-action {
  margin-top: 66px;
  padding: 30px;
  border-radius: 14px;
  background:
    radial-gradient(circle at 100% 0, rgba(169, 202, 216, 0.2), transparent 34%),
    linear-gradient(145deg, #123c43, #102f3a);
  box-shadow: 0 18px 42px rgba(9, 29, 35, 0.2);
  color: #edf5f4;
}

.article-action .section-kicker {
  color: color-mix(in srgb, var(--accent-soft) 76%, #ffffff);
}

.article-action h2 {
  margin: 8px 0 0;
  color: #ffffff;
  font-size: clamp(25px, 3vw, 32px);
  line-height: 1.18;
  letter-spacing: -0.02em;
}

.article-action > p:not(.section-kicker) {
  margin: 14px 0 0;
  color: #d5e3e2;
}

.article-action ol,
.article-action ul {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding-left: 22px;
  color: #f5f8f7;
}

.article-action li::marker {
  color: color-mix(in srgb, var(--accent-soft) 76%, #ffffff);
  font-weight: 800;
}

.article-template-v2 #quellenhinweise {
  margin-top: 64px;
  padding-top: 38px;
  border-top: 1px solid var(--line);
  color: #394047;
  font-size: 25px;
}

.article-template-v2 .source-list {
  margin-top: 20px;
  padding: 22px 22px 22px 46px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f8f7f3;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.58;
}

.article-template-v2 .article-toc {
  max-height: calc(100vh - var(--header-height) - 54px);
  overflow: auto;
  border-top: 4px solid var(--accent);
  scrollbar-width: thin;
}

.article-template-v2 .article-toc ol {
  gap: 5px;
  padding-left: 0;
  list-style: none;
  counter-reset: toc;
}

.article-template-v2 .article-toc li {
  counter-increment: toc;
}

.article-template-v2 .article-toc a {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 5px;
  padding: 7px 8px;
  border-radius: 6px;
  line-height: 1.35;
}

.article-template-v2 .article-toc a::before {
  color: var(--quiet);
  font-size: 11px;
  font-weight: 750;
  content: counter(toc, decimal-leading-zero);
}

.article-template-v2 .article-toc a:hover,
.article-template-v2 .article-toc a[aria-current="location"] {
  background: var(--accent-soft);
  text-decoration: none;
}

.article-template-v2 .article-toc a[aria-current="location"] {
  color: var(--ink);
  font-weight: 720;
}

.site-footer {
  padding: 34px 0;
  border-top: 1px solid var(--line);
  background: var(--paper-warm);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
}

.footer-nav a { text-underline-offset: 4px; }

@media (max-width: 900px) {
  .desktop-nav { display: none; }
  .mobile-navigation { display: block; }
  .hero-inner { grid-template-columns: 1fr; gap: 28px; }
  .article-shell {
    grid-template-columns: 1fr;
    grid-template-areas:
      "aside"
      "body";
    gap: 30px;
  }
  .article-aside {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .article-template-v2 .article-shell { gap: 30px; }

  .article-template-v2 .article-toc {
    max-height: none;
    overflow: visible;
  }
}

@media (max-width: 700px) {
  .jump-nav { grid-template-columns: 1fr; }
  .jump-list { justify-content: flex-start; }
  .article-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .article-takeaways { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  :root { --header-height: 64px; }

  .nav,
  .container,
  .footer-inner {
    width: min(100% - 32px, var(--max));
  }

  .nav { gap: 12px; }
  .brand { max-width: calc(100% - 82px); font-size: 14px; }
  .hero-inner { padding: 42px 0 48px; }
  h1 { font-size: clamp(34px, 11vw, 44px); }
  .section { padding: 48px 0 60px; }

  .field-heading {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .article-grid { margin-left: 0; }
  .article-card { min-height: 0; padding: 23px; }

  .article-shell { gap: 24px; }
  .article-template-v2 .article-body {
    font-size: 17px;
    line-height: 1.7;
  }
  .article-template-v2 .article-body > .article-quickstart + p {
    margin-top: 34px;
    font-size: 18px;
  }
  .article-quickstart,
  .article-action {
    padding: 23px 21px;
  }
  .article-template-v2 .hero-inner {
    padding: 36px 0 40px;
  }
  .article-template-v2 .hero-note {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .article-template-v2 article > .section {
    padding-top: 38px;
  }
  .article-template-v2 .article-body > h2:not(#quellenhinweise) {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 12px;
    margin-top: 54px;
    padding-top: 34px;
  }
  .article-template-v2 .article-body > h2:not(#quellenhinweise)::before {
    width: 34px;
    height: 34px;
  }
  .article-template-v2 .article-body > h3 {
    padding: 17px 18px;
    font-size: 20px;
  }
  .article-template-v2 .article-body > :where(ul, ol):not(.source-list) {
    padding: 19px 18px 19px 40px;
  }
  .article-template-v2 .article-body blockquote {
    padding: 18px 18px 18px 48px;
  }
  .article-template-v2 .article-body blockquote::before {
    left: 16px;
  }
  .article-aside {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .article-toc,
  .article-meta {
    padding: 16px 18px;
  }
  .article-toc ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px 18px;
    margin-top: 10px;
    padding-left: 18px;
    font-size: 13px;
  }
  .article-meta ul {
    gap: 5px;
    margin-top: 10px;
    font-size: 13px;
  }
  .source-panel { grid-template-columns: 1fr; }
  .source-item { border-right: 0; }
  .source-item:nth-last-child(-n + 2) { border-bottom: 1px solid var(--line); }
  .source-item:last-child { border-bottom: 0; }

  .orientation { padding: 20px; }
  .route-panel { align-items: flex-start; flex-direction: column; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 360px) {
  .brand-mark { width: 31px; height: 31px; padding: 7px; }
  .brand { font-size: 13px; }
  .mobile-navigation summary { padding-inline: 10px; }
  .mobile-navigation nav { right: 16px; left: 16px; }
  .jump-list a { width: 100%; }
}

@media print {
  .skip-link,
  .site-header,
  .breadcrumb,
  .hero-links,
  .jump-nav,
  .article-aside,
  .route-panel,
  .site-footer {
    display: none !important;
  }

  body { background: #fff; color: #000; }
  .hero { border: 0; background: #fff; }
  .hero::before { display: none; }
  .hero-inner, .section { padding: 20px 0; }
  .article-shell { display: block; }
  .article-body { max-width: none; }
  .reading-progress { display: none !important; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}