:root {
  --ff-serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --ff-sans: "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --ff-nav: "Roboto", "Helvetica Neue", Arial, sans-serif;

  --paper-0: #ffffff;
  --paper-50: #faf9f7;
  --color-bg: var(--paper-50);
  --color-bg-subtle: var(--paper-0);
  --color-text-primary: #2b2722;
  --color-text-body: #57514a;
  --color-text-muted: #7a7168;
  --color-border: #d6cec3;

  --ui-text: rgba(67, 60, 52, 0.9);
  --plate-bg: rgba(250, 249, 247, 0.68);
  --plate-border: rgba(67, 60, 52, 0.1);
  --plate-chip: rgba(67, 60, 52, 0.1);
  --plate-shadow: 0 10px 34px rgba(40, 35, 30, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.3);
  --plate-backdrop: blur(22px) saturate(150%);

  --radius-card: 8px;
  --radius-feature: 14px;
  --radius-round: 999px;
  --ls-label: 0.09em;
  --ls-tight: -0.01em;
  --gutter: clamp(20px, 5vw, 64px);
  --article-width: 48rem;
  --container-max: 92.5rem;
}

* {
  box-sizing: border-box;
}

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

body {
  min-width: 0;
  margin: 0;
  overflow-x: hidden;
  background: var(--color-bg);
  color: var(--color-text-body);
  font-family: var(--ff-sans);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--color-text-primary);
}

a:not(.site-logo__mark, .nav a, .header-nav a, .support-action) {
  text-decoration-line: underline;
  text-decoration-color: currentColor;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 2px solid var(--color-text-primary);
  outline-offset: 4px;
  border-radius: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  min-height: 44px;
  padding: 10px 16px;
  border-radius: var(--radius-round);
  background: var(--color-text-primary);
  color: var(--color-bg);
  font-weight: 600;
  transform: translateY(calc(-100% - 24px));
  transition: transform 0.2s ease;
}

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

.site-head,
.header-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding: clamp(28px, 4vw, 44px) clamp(22px, 4vw, 52px) 0;
}

site-logo .site-logo__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
}

.nav,
.header-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 5px;
  border: 1px solid var(--plate-border);
  border-radius: var(--radius-round);
  background: var(--plate-bg);
  box-shadow: var(--plate-shadow);
  backdrop-filter: var(--plate-backdrop);
  -webkit-backdrop-filter: var(--plate-backdrop);
}

.nav a,
.header-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 clamp(12px, 1.4vw, 18px);
  border-radius: var(--radius-round);
  color: var(--ui-text);
  font: 400 clamp(0.75rem, 1.05vw, 0.9375rem) / 1 var(--ff-nav);
  letter-spacing: 0.05em;
  text-decoration: none;
  transition: background 0.25s ease, color 0.25s ease;
}

.nav a:hover,
.nav a[aria-current="page"],
.header-nav a:hover,
.header-nav a[aria-current="page"] {
  background: var(--plate-chip);
}

theme-toggle .theme-toggle-btn {
  width: 44px;
  height: 44px;
}

main {
  padding: clamp(64px, 9vw, 112px) 0 clamp(80px, 11vw, 132px);
}

.article,
.article-wrap,
.article-shell,
main > article {
  width: 100%;
  max-width: calc(var(--article-width) + (2 * var(--gutter)));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.article-header,
.page-header {
  margin-bottom: clamp(52px, 7vw, 72px);
}

.eyebrow,
.article-kicker {
  margin: 0;
  color: var(--color-text-muted);
  font: 500 0.8125rem / 1.2 var(--ff-sans);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
}

h1,
h2,
h3 {
  color: var(--color-text-primary);
  font-family: var(--ff-serif);
  letter-spacing: var(--ls-tight);
  text-wrap: balance;
}

h1 {
  max-width: 44rem;
  margin: 16px 0 0;
  font-size: clamp(2.375rem, 7vw, 4.25rem);
  font-weight: 400;
  line-height: 1.05;
}

.policy-article > .article-title:first-child {
  margin-top: 0;
}

h2 {
  margin: 0 0 20px;
  font-size: clamp(1.625rem, 3.5vw, 2.125rem);
  font-weight: 500;
  line-height: 1.18;
}

h3 {
  margin: 36px 0 12px;
  font-size: clamp(1.25rem, 2.4vw, 1.45rem);
  font-weight: 600;
  line-height: 1.3;
}

p,
li {
  font-size: clamp(1rem, 0.97rem + 0.16vw, 1.0625rem);
}

p {
  margin: 0 0 18px;
}

p:last-child {
  margin-bottom: 0;
}

.lede,
.article-title + .article-intro,
.article-updated + .article-intro {
  max-width: 44rem;
  margin-top: 28px;
  color: var(--color-text-primary);
  font: 400 clamp(1.25rem, 2.3vw, 1.5rem) / 1.5 var(--ff-serif);
}

.intro,
.intro-copy,
.article-intro {
  margin-top: 20px;
}

.updated,
.article-updated {
  margin-top: 18px;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-variant-numeric: tabular-nums;
}

.section,
article > section {
  margin-top: clamp(64px, 8vw, 88px);
  padding-top: clamp(28px, 4vw, 36px);
  border-top: 1px solid var(--color-border);
}

.policy-subsection + .policy-subsection,
.question + .question {
  margin-top: 44px;
}

.policy-subsection > h3:first-child,
.question > h3:first-child {
  margin-top: 0;
}

.policy-article > .content-section:first-of-type,
.support-article > .content-section:first-of-type {
  padding: clamp(24px, 4vw, 34px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-feature);
  background: var(--color-bg-subtle);
}

.section--callout,
.callout {
  padding: clamp(24px, 4vw, 34px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-feature);
  background: var(--color-bg-subtle);
}

.section--callout h2,
.callout h2 {
  margin-bottom: 16px;
}

ul {
  margin: 20px 0;
  padding-left: 1.35em;
}

li {
  margin: 9px 0;
  padding-left: 0.25em;
}

.support-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  max-width: 100%;
  padding: 10px 18px;
  border: 1px solid var(--color-text-primary);
  border-radius: var(--radius-round);
  background: var(--color-text-primary);
  color: var(--color-bg);
  font-weight: 600;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: background 0.25s ease, color 0.25s ease;
}

.support-action:hover {
  background: transparent;
  color: var(--color-text-primary);
}

address {
  color: var(--color-text-body);
  font-style: normal;
  overflow-wrap: anywhere;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 20px;
  width: min(calc(var(--article-width) + (2 * var(--gutter))), 100%);
  margin-inline: auto;
  padding: 28px var(--gutter) 34px;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font: 400 0.75rem / 1.4 var(--ff-sans);
  letter-spacing: 0.04em;
}

.site-footer__local {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}

.site-footer-inner {
  display: contents;
}

.footer-local {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}

.site-footer__time {
  font-variant-numeric: tabular-nums;
}

.site-footer__links,
.footer-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
}

.site-footer__links a,
.footer-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--color-text-muted);
}

.site-footer__copy {
  justify-self: end;
}

.site-footer-inner > :last-child {
  justify-self: end;
}

@media (max-width: 680px) {
  .site-head,
  .header-inner {
    flex-direction: column;
    align-items: stretch;
  }

  site-logo {
    align-self: flex-start;
  }

  .nav,
  .header-nav {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr)) 44px;
    width: 100%;
  }

  .nav a,
  .header-nav a {
    min-width: 0;
    padding-inline: 4px;
  }

  .site-footer {
    grid-template-columns: 1fr;
    justify-items: start;
    gap: 0;
  }

  .site-footer__links,
  .footer-nav {
    justify-content: flex-start;
  }

  .site-footer__copy {
    justify-self: start;
  }

  .site-footer-inner > :last-child {
    justify-self: start;
  }
}

@media (max-width: 420px) {
  .site-footer__local,
  .footer-local {
    display: none;
  }

  h1 {
    overflow-wrap: anywhere;
  }
}

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