:root {
  --ink: #1a1f26;
  --bg: #faf9f6;
  --paper: #ffffff;
  --teal: #2d5d54;
  --teal-dark: #1f4239;
  --line: #d8d2c4;
  --line-soft: #ece8dd;
  --muted: #5a5249;
  --accent-soft: #eef3f1;
  --display: 'Frank Ruhl Libre', serif;
  --body: 'Assistant', sans-serif;
  --neutral: #2d5d54;
  --caution: #8a6d3b;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--body); background: var(--bg); color: var(--ink); line-height: 1.75; font-weight: 400; -webkit-font-smoothing: antialiased; overflow-x: hidden; }

.wrap { max-width: 720px; margin: 0 auto; padding: 0 24px; }

header { border-bottom: 1px solid var(--line); background: var(--bg); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; max-width: 960px; margin: 0 auto; padding: 0 24px; }
.logo { font-family: var(--display); font-weight: 700; font-size: 1.15rem; color: var(--ink); text-decoration: none; }
.logo small { display: block; font-family: var(--body); font-weight: 400; font-size: 0.7rem; color: var(--muted); margin-top: 2px; }
.nav-links { display: flex; gap: 24px; list-style: none; }
.nav-links a { color: var(--muted); text-decoration: none; font-weight: 500; font-size: 0.9rem; }
.nav-links a:hover { color: var(--teal); }

nav.breadcrumb { max-width: 720px; margin: 0 auto; padding: 18px 24px 0; font-size: 0.82rem; color: var(--muted); }
nav.breadcrumb ol { list-style: none; display: flex; gap: 6px; flex-wrap: wrap; }
nav.breadcrumb li::after { content: "›"; margin-inline-start: 6px; color: var(--line); }
nav.breadcrumb li:last-child::after { content: ""; }
nav.breadcrumb a { color: var(--muted); text-decoration: none; }
nav.breadcrumb a:hover { color: var(--teal); }

.topline { max-width: 720px; margin: 0 auto; padding: 14px 24px 0; font-size: 0.8rem; color: var(--muted); }

.hero { padding: 16px 0 28px; }
.hero h1 { font-family: var(--display); font-weight: 700; font-size: clamp(1.9rem, 4.2vw, 2.6rem); line-height: 1.25; margin-bottom: 18px; }
.hero .standfirst { font-size: 1.12rem; color: #38424d; border-inline-start: 3px solid var(--teal); padding-inline-start: 16px; }

.disclosure { margin: 22px 0 28px; padding: 16px 20px; background: #fff8e6; border: 1px solid #e8d49a; border-radius: 6px; font-size: 0.95rem; color: #4a3d1a; }
.disclosure strong { color: #2d2208; }
.disclosure a { color: var(--teal-dark); }

.tldr { margin: 0 0 24px; padding: 24px 26px; background: #f6f1e3; border: 1px solid #e6dcc1; border-radius: 6px; }
.tldr h2 { font-family: var(--display); font-size: 1.05rem; color: var(--teal-dark); margin: 0 0 12px; }
.tldr ul { padding-inline-start: 20px; }
.tldr li { font-size: 1rem; color: #2a3640; margin-bottom: 8px; }

.toc { margin: 0 0 36px; padding: 18px 20px; background: #fbfbf9; border: 1px solid var(--line-soft); border-radius: 4px; }
.toc h3 { font-family: var(--display); font-size: 1rem; margin-bottom: 10px; color: var(--ink); }
.toc ul { list-style: none; padding: 0; }
.toc li { margin-bottom: 6px; font-size: 0.95rem; }
.toc a { color: var(--teal); text-decoration: none; font-weight: 500; }
.toc a:hover { text-decoration: underline; color: var(--teal-dark); }

article p { color: #232b35; font-size: 1.1rem; margin-bottom: 22px; }
article h2 { font-family: var(--display); font-weight: 700; font-size: 1.55rem; margin: 44px 0 16px; }
article h2::before { content: ""; display: block; width: 32px; height: 2px; background: var(--teal); margin-bottom: 14px; }
article h3 { font-family: var(--display); font-weight: 700; font-size: 1.18rem; margin: 28px 0 10px; }
article ul, article ol { padding-inline-start: 22px; margin-bottom: 22px; }
article li { font-size: 1.05rem; margin-bottom: 8px; color: #232b35; }
article a { color: var(--teal-dark); }

.pull { margin: 32px 0; padding: 4px 22px; border-inline-start: 3px solid var(--teal); font-family: var(--display); font-size: 1.25rem; color: var(--teal-dark); font-style: italic; }
.pull cite { display: block; font-family: var(--body); font-size: 0.85rem; color: var(--muted); margin-top: 10px; }

.criteria { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 0.98rem; }
.criteria th, .criteria td { text-align: right; padding: 12px 8px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
.criteria th { background: #f6f3eb; font-size: 0.8rem; color: var(--muted); }

.method-box { margin: 20px 0 30px; padding: 18px 22px; background: var(--paper); border: 1px solid var(--line-soft); border-radius: 6px; font-size: 0.95rem; }
.method-box h3 { margin-top: 0; }
.method-box dl { display: grid; grid-template-columns: max-content 1fr; gap: 8px 16px; margin-top: 10px; }
.method-box dt { color: var(--muted); font-weight: 600; }
.method-box dd { color: var(--ink); }

.category-list { margin: 24px 0; }
.category-item { background: var(--paper); border: 1px solid var(--line-soft); border-radius: 8px; padding: 22px 24px; margin-bottom: 14px; }
.category-item h3 { font-family: var(--display); font-size: 1.15rem; margin: 0 0 8px; }
.category-desc { color: #333f4b; font-size: 1rem; margin-bottom: 12px; }
.category-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; font-size: 0.92rem; margin-top: 14px; border-top: 1px solid var(--line-soft); padding-top: 12px; }
.category-grid .col-label { color: var(--muted); font-weight: 600; margin-bottom: 4px; }
.category-grid ul { padding-inline-start: 18px; }
.category-grid li { margin-bottom: 4px; }
@media (max-width: 560px) { .category-grid { grid-template-columns: 1fr; } }

.faq details { border-bottom: 1px solid var(--line-soft); padding: 18px 0; }
.faq summary { font-family: var(--display); font-weight: 700; font-size: 1.1rem; cursor: pointer; }
.faq .faq-answer { margin-top: 12px; color: #333f4b; }

.changelog { margin: 32px 0 12px; padding: 16px 20px; background: #f5f3ec; border-inline-start: 3px solid var(--muted); font-size: 0.9rem; color: var(--muted); border-radius: 0 4px 4px 0; }
.changelog strong { color: var(--ink); display: block; margin-bottom: 6px; }
.changelog ul { padding-inline-start: 18px; margin-top: 4px; }

.references { margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 0.88rem; color: var(--muted); }
.references h2 { font-size: 1.2rem; }
.references ol { padding-inline-start: 22px; }
.references li { margin-bottom: 12px; }

.author-bio { margin-top: 40px; padding: 24px; background: #f1ede2; border-radius: 4px; display: flex; gap: 18px; }
.author-bio .avatar { width: 52px; height: 52px; border-radius: 50%; background: var(--teal); color: #fff; display: flex; align-items: center; justify-content: center; font-family: var(--display); font-weight: 700; flex-shrink: 0; }
.author-bio .bio-text { font-size: 0.92rem; color: var(--muted); line-height: 1.6; }
.author-bio .bio-text strong { color: var(--ink); display: block; margin-bottom: 4px; font-size: 1rem; }
.author-bio .bio-text a { color: var(--teal); }

.guide-card { display: block; margin: 14px 0; padding: 22px 24px; background: var(--paper); border: 1px solid var(--line-soft); border-radius: 8px; text-decoration: none; color: inherit; transition: border-color .15s, transform .15s; }
.guide-card:hover { border-color: var(--teal); transform: translateY(-1px); }
.guide-card h3 { font-family: var(--display); font-size: 1.2rem; margin-bottom: 6px; color: var(--ink); }
.guide-card p { font-size: 0.98rem; color: var(--muted); margin: 0; }
.guide-card .meta { font-size: 0.8rem; color: var(--muted); margin-top: 8px; }

.policy-page article p,
.policy-page article li { font-size: 1.05rem; }
.policy-page .last-updated { font-size: 0.85rem; color: var(--muted); margin-bottom: 18px; }

.not-found { padding: 60px 0; text-align: center; }
.not-found h1 { font-family: var(--display); font-size: 3rem; margin-bottom: 12px; }
.not-found p { color: var(--muted); margin-bottom: 24px; }
.not-found a { color: var(--teal); }

footer { margin-top: 60px; padding: 32px 0; background: #f1ede2; border-top: 1px solid var(--line); }
.foot { max-width: 960px; margin: 0 auto; padding: 0 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; align-items: center; }
.foot-links { display: flex; gap: 18px; font-size: 0.88rem; flex-wrap: wrap; }
.foot-links a { color: var(--muted); text-decoration: none; }
.foot-links a:hover { color: var(--teal); }
.foot p { font-size: 0.85rem; color: var(--muted); }

sup { font-size: 0.75rem; color: var(--teal); font-weight: 600; margin: 0 2px; }
sup a { color: inherit; text-decoration: none; }