/* B2B Review – shared stylesheet
   One file for every page. Sections: tokens, base, layout, header/footer,
   article chrome, content blocks, page-specific (home, hub, search). */

/* ---------- Fonts (self-hosted, latin subset, variable weight) ---------- */
@font-face {
  font-family: "Literata";
  src: url("../fonts/literata-latin-wght-normal.woff2") format("woff2");
  font-weight: 200 900; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Public Sans";
  src: url("../fonts/public-sans-latin-wght-normal.woff2") format("woff2");
  font-weight: 100 900; font-style: normal; font-display: swap;
}

/* ---------- Tokens ---------- */
:root {
  --ink: #13213C;        /* headings, strong text */
  --body: #2C3648;       /* body text */
  --muted: #576274;      /* secondary text (AA on white) */
  --line: #DCE2E8;       /* borders */
  --mist: #F2F5F7;       /* alternate surfaces */
  --paper: #FFFFFF;
  --teal: #0E6E66;       /* single accent */
  --teal-dark: #0A524C;
  --teal-tint: #E5F1EF;
  --verify: #8A4F06;     /* reserved for "check before relying" notes */
  --verify-tint: #FBF3E6;
  --serif: "Literata", Georgia, Cambria, "Times New Roman", serif;
  --sans: "Public Sans", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --page: 76rem;
  --measure: 68ch;
  --radius: 6px;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 5rem; }
body {
  margin: 0; background: var(--paper); color: var(--body);
  font-family: var(--sans); font-size: 1.0625rem; line-height: 1.65;
  -webkit-font-smoothing: antialiased; min-height: 100vh; display: flex; flex-direction: column;
}
main { flex: 1; }
h1, h2, h3 { font-family: var(--serif); color: var(--ink); margin: 0; }
h1 { font-size: clamp(2rem, 1.4rem + 2.4vw, 3rem); line-height: 1.12; font-weight: 640; letter-spacing: -0.012em; }
h2 { font-size: clamp(1.45rem, 1.2rem + 1vw, 1.875rem); line-height: 1.22; font-weight: 600; }
h3 { font-size: 1.25rem; line-height: 1.3; font-weight: 600; }
p { margin: 0; }
a { color: var(--teal-dark); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--ink); text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--teal); outline-offset: 2px; border-radius: 2px; }
::selection { background: #CFE6E2; }
img { max-width: 100%; height: auto; }
ul, ol { margin: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.muted { color: var(--muted); }
.small { font-size: 0.9rem; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; } }

/* ---------- Layout ---------- */
.wrap { width: 100%; max-width: var(--page); margin: 0 auto; padding: 0 1.25rem; }
@media (min-width: 640px) { .wrap { padding: 0 2rem; } }
.narrow { max-width: 52rem; }
.skip-link { position: absolute; left: .75rem; top: -4rem; z-index: 50; background: var(--ink); color: #fff; padding: .5rem 1rem; }
.skip-link:focus { top: .75rem; color: #fff; }

.btn { display: inline-flex; align-items: center; justify-content: center; border-radius: var(--radius); padding: .75rem 1.25rem; font-weight: 600; text-decoration: none; border: 1px solid transparent; cursor: pointer; font: inherit; font-weight: 600; }
.btn-primary { background: var(--teal); color: #fff; }
.btn-primary:hover { background: var(--teal-dark); color: #fff; }
.btn-quiet { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-quiet:hover { border-color: var(--ink); color: var(--ink); }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 40; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; height: 4rem; }
.brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; }
.brand span { font-family: var(--serif); font-size: 1.2rem; font-weight: 600; color: var(--ink); letter-spacing: -.01em; }
.nav-primary { display: none; }
.nav-primary ul { display: flex; gap: .25rem; list-style: none; padding: 0; font-size: .93rem; }
.nav-primary a, .header-search { display: block; padding: .5rem .65rem; border-radius: 4px; color: var(--ink); font-weight: 500; text-decoration: none; }
.nav-primary a:hover, .header-search:hover { background: var(--mist); }
.nav-primary a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--teal); }
.header-tools { display: flex; align-items: center; gap: .5rem; }
.header-search { display: none; font-size: .93rem; }
.menu { position: relative; }
.menu summary { list-style: none; cursor: pointer; border: 1px solid var(--line); border-radius: 4px; padding: .45rem .8rem; font-size: .9rem; font-weight: 600; color: var(--ink); }
.menu summary::-webkit-details-marker { display: none; }
.menu .close-label { display: none; }
.menu[open] .open-label { display: none; }
.menu[open] .close-label { display: inline; }
.menu nav { position: absolute; right: 0; top: 3rem; width: 18rem; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: .5rem; box-shadow: 0 12px 32px -12px rgba(19,33,60,.28); }
.menu ul { list-style: none; padding: 0; }
.menu a { display: block; padding: .6rem .75rem; border-radius: 4px; color: var(--ink); font-weight: 500; text-decoration: none; }
.menu a:hover { background: var(--mist); }
.menu li.sep { border-top: 1px solid var(--line); margin-top: .25rem; padding-top: .25rem; }
@media (min-width: 640px) { .header-search { display: block; } }
@media (min-width: 1100px) { .nav-primary { display: block; } .menu { display: none; } }

/* ---------- Footer ---------- */
.site-footer { margin-top: 6rem; background: var(--mist); border-top: 1px solid var(--line); }
.footer-grid { display: grid; gap: 2.5rem; padding: 3.5rem 0; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.site-footer h2 { font-family: var(--sans); font-size: .9rem; font-weight: 600; color: var(--ink); }
.site-footer ul { list-style: none; padding: 0; margin-top: .75rem; }
.site-footer li + li { margin-top: .45rem; }
.site-footer li a { color: var(--body); text-decoration: none; font-size: .95rem; }
.site-footer li a:hover { color: var(--teal-dark); text-decoration: underline; }
.footer-note { margin-top: 1rem; max-width: 28rem; font-size: .92rem; color: var(--muted); }
.footer-base { border-top: 1px solid var(--line); }
.footer-base .wrap { display: flex; flex-wrap: wrap; gap: .5rem 2rem; justify-content: space-between; padding-top: 1.25rem; padding-bottom: 1.25rem; font-size: .88rem; color: var(--muted); }

/* ---------- Article chrome ---------- */
.page-top { padding-top: 2rem; }
.breadcrumbs ol { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: .25rem .5rem; font-size: .88rem; color: var(--muted); }
.breadcrumbs li + li::before { content: "/"; color: #B9C3CF; margin-right: .5rem; }
.breadcrumbs a { color: var(--muted); text-decoration: none; }
.breadcrumbs a:hover { color: var(--teal-dark); text-decoration: underline; }
.doc-head { max-width: 52rem; margin-top: 1.5rem; }
.kicker { font-weight: 600; color: var(--teal-dark); margin-bottom: .5rem; }
.kicker a { color: var(--teal-dark); }

/* Signature element: the direct answer under every H1 */
.short-answer { margin-top: 1.5rem; display: grid; gap: .25rem; background: var(--teal-tint); border-left: 6px solid var(--teal); padding: 1.25rem 1.5rem 1.25rem 1.25rem; }
.short-answer .label { font-family: var(--serif); font-weight: 600; color: var(--teal-dark); font-size: 1.05rem; }
.short-answer .text { color: var(--ink); font-size: 1.08rem; line-height: 1.6; }
@media (min-width: 640px) { .short-answer { grid-template-columns: 8.5rem 1fr; gap: 1.5rem; padding-left: 1.5rem; } }

.byline { margin-top: 1.5rem; display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1.5rem; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 1rem 0; font-size: .9rem; color: var(--muted); }
.byline .who { display: flex; align-items: center; gap: .75rem; }
.byline .who a { font-weight: 600; color: var(--ink); }
.byline dl { display: flex; flex-wrap: wrap; gap: .25rem 1.5rem; margin: 0; }
.byline dt, .byline dd { display: inline; margin: 0; }
.byline dd { color: var(--body); }
.avatar { display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; width: 2.5rem; height: 2.5rem; border-radius: 50%; background: var(--ink); color: #fff; font-family: var(--serif); font-weight: 600; font-size: .9rem; }
.avatar.lg { width: 3.5rem; height: 3.5rem; font-size: 1.1rem; }
.avatar.xl { width: 5rem; height: 5rem; font-size: 1.5rem; }

.doc-grid { margin-top: 2.5rem; display: grid; gap: 3rem; }
.doc-main { min-width: 0; max-width: 48rem; }
.doc-aside { display: none; }
@media (min-width: 1024px) {
  .doc-grid { grid-template-columns: minmax(0,1fr) 16rem; }
  .doc-aside { display: block; }
  .doc-aside .sticky { position: sticky; top: 6rem; }
}
.toc h2 { font-family: var(--sans); font-size: .88rem; font-weight: 600; color: var(--muted); }
.toc ol { list-style: none; padding: 0; margin-top: .75rem; border-left: 1px solid var(--line); font-size: .93rem; }
.toc a { display: block; margin-left: -1px; padding: .3rem 0 .3rem .75rem; border-left: 2px solid transparent; color: var(--body); text-decoration: none; }
.toc a:hover, .toc a.is-active { border-left-color: var(--teal); color: var(--teal-dark); }
.toc-mobile { margin-top: 1.5rem; border: 1px solid var(--line); border-radius: var(--radius); padding: .75rem 1rem; }
.toc-mobile summary { cursor: pointer; font-weight: 600; color: var(--ink); }
.toc-mobile ol { margin-top: .5rem; padding-left: 1.25rem; }
.toc-mobile li + li { margin-top: .25rem; }
@media (min-width: 1024px) { .toc-mobile { display: none; } }

/* ---------- Content blocks ---------- */
.doc-section { margin-top: 3rem; }
.doc-section:first-child { margin-top: 0; }
.prose > * + * { margin-top: 1.1rem; }
.prose p, .prose li { max-width: var(--measure); }
.prose ul { list-style: disc; padding-left: 1.5rem; }
.prose ol { padding-left: 1.5rem; }
.prose li + li { margin-top: .4rem; }
.prose strong { color: var(--ink); font-weight: 600; }
.prose h3 { margin-top: 2rem; }
.doc-section > h2 + .prose { margin-top: 1rem; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
.data-table { width: 100%; min-width: 36rem; border-collapse: collapse; text-align: left; font-size: .95rem; }
.data-table th, .data-table td { padding: .65rem .75rem; vertical-align: top; border-bottom: 1px solid var(--line); }
.data-table thead th { background: var(--mist); border-bottom: 2px solid var(--ink); color: var(--ink); font-weight: 600; vertical-align: bottom; }
.data-table tbody th { font-weight: 600; color: var(--ink); }
.data-table tbody tr:last-child > * { border-bottom: 0; }
figure { margin: 0; }
figure.table { max-width: none; }
figcaption { margin-top: .5rem; font-size: .88rem; color: var(--muted); }

.proscons { display: grid; gap: 1rem; }
@media (min-width: 640px) { .proscons { grid-template-columns: 1fr 1fr; } }
.proscons > div { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem; }
.proscons h3 { margin: 0 !important; font-family: var(--sans); font-size: 1rem; }
.proscons .pros h3 { color: var(--teal-dark); }
.proscons ul { list-style: none !important; padding: 0 !important; margin-top: .75rem; font-size: .97rem; }
.proscons li { position: relative; padding-left: 1.5rem; }
.proscons li::before { position: absolute; left: 0; top: 0; font-weight: 700; width: 1rem; text-align: center; }
.proscons .pros li::before { content: "+"; color: var(--teal); }
.proscons .cons li::before { content: "\2212"; color: var(--muted); }

.steps { list-style: none !important; padding: 0 !important; counter-reset: step; }
.steps > li { position: relative; padding: 0 0 1.5rem 3.25rem; margin: 0 !important; counter-increment: step; max-width: none !important; }
.steps > li:last-child { padding-bottom: 0; }
.steps > li::before { content: counter(step); position: absolute; left: 0; top: 0; width: 2.25rem; height: 2.25rem; border: 2px solid var(--teal); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 600; color: var(--teal-dark); background: #fff; }
.steps > li:not(:last-child)::after { content: ""; position: absolute; left: 1.06rem; top: 2.5rem; bottom: .25rem; width: 2px; background: var(--line); }
.steps .step-title { font-weight: 600; color: var(--ink); }
.steps .step-text { margin-top: .25rem; max-width: var(--measure); }

.checklist { background: var(--mist); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem; }
.checklist .title { font-weight: 600; color: var(--ink); margin-bottom: .75rem; }
.checklist ul { list-style: none !important; padding: 0 !important; }
.checklist li { position: relative; padding-left: 1.75rem; }
.checklist li::before { content: ""; position: absolute; left: 0; top: .3rem; width: 1rem; height: 1rem; border: 1.6px solid var(--teal); border-radius: 3px; background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='m4 8.2 2.5 2.4 5-5.4' stroke='%230E6E66' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/100% no-repeat; }

.callout { border-left: 4px solid var(--line); background: var(--mist); border-radius: 0 var(--radius) var(--radius) 0; padding: 1rem 1.25rem; }
.callout .label { font-size: .88rem; font-weight: 600; color: var(--teal-dark); }
.callout .title { font-weight: 600; color: var(--ink); margin-top: .25rem; }
.callout .text { margin-top: .25rem; }
.callout.takeaway { border-left-color: var(--teal); background: var(--teal-tint); }
.callout.verify { border-left-color: var(--verify); background: var(--verify-tint); }
.callout.verify .label { color: var(--verify); }

.takeaways { border: 2px solid var(--ink); border-radius: var(--radius); padding: 1.25rem; }
.takeaways .title { font-family: var(--serif); font-size: 1.15rem; font-weight: 600; color: var(--ink); }
.takeaways ul { list-style: none !important; padding: 0 !important; margin-top: .75rem; }
.takeaways li { position: relative; padding-left: 1.5rem; }
.takeaways li::before { content: ""; position: absolute; left: .2rem; top: .6rem; width: .5rem; height: .5rem; border-radius: 50%; background: var(--teal); }

/* FAQ */
.faq { margin-top: 3.5rem; }
.faq-list { margin-top: 1.25rem; border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); padding: .25rem 0; }
.faq-item summary { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; cursor: pointer; list-style: none; padding: .75rem 0; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary h3 { font-family: var(--sans); font-size: 1.05rem; }
.faq-item summary::after { content: "+"; color: var(--teal); font-size: 1.25rem; line-height: 1; transition: transform .15s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .answer { padding-bottom: 1rem; max-width: var(--measure); }

/* Sources */
.sources { margin-top: 3.5rem; }
.sources .intro { margin-top: .5rem; max-width: var(--measure); font-size: .9rem; color: var(--muted); }
.source-list { list-style: none; padding: 0; margin-top: 1rem; font-size: .95rem; }
.source-list li { display: grid; gap: .25rem; border-bottom: 1px solid var(--line); padding: .75rem 0; }
@media (min-width: 640px) { .source-list li { grid-template-columns: 10.5rem 1fr; gap: 1rem; } }
.source-type { font-size: .88rem; font-weight: 600; color: var(--teal-dark); }
.source-type.third-party { color: var(--verify); }
.source-note { display: block; margin-top: .25rem; font-size: .88rem; color: var(--muted); }

/* Related, next steps, disclosure, author */
.related { margin-top: 3.5rem; }
.card-grid { list-style: none; padding: 0; margin-top: 1.25rem; display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
@media (min-width: 640px) { .card-grid { grid-template-columns: 1fr 1fr; } }
.card-grid li { background: #fff; padding: 1.25rem; }
.card-grid a, .ledger a.title { font-family: var(--serif); font-size: 1.12rem; font-weight: 600; line-height: 1.35; }
.card-grid p { margin-top: .5rem; font-size: .95rem; color: var(--muted); }

.next-steps { margin-top: 3.5rem; background: var(--ink); color: #C9D2E0; border-radius: var(--radius); padding: 1.5rem; }
@media (min-width: 640px) { .next-steps { padding: 2rem; } }
.next-steps h2 { color: #fff; }
.next-steps ul { list-style: none; padding: 0; margin-top: 1.25rem; display: grid; gap: 1.25rem; }
@media (min-width: 640px) { .next-steps ul { grid-template-columns: repeat(3, 1fr); } }
.next-steps a { color: #9FE0D6; font-weight: 600; }
.next-steps a:hover { color: #fff; }
.next-steps p { margin-top: .25rem; font-size: .95rem; }

.disclosure { margin-top: 3.5rem; background: var(--mist); border-radius: var(--radius); padding: 1.25rem; font-size: .95rem; }
.disclosure .title { font-weight: 600; color: var(--ink); }
.disclosure p + p { margin-top: .25rem; max-width: var(--measure); }

.author-card { margin-top: 2.5rem; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; }
.author-card > h2 { font-family: var(--sans); font-size: 1rem; color: var(--muted); }
.author-card .body { margin-top: 1rem; display: flex; gap: 1rem; }
.author-card .name { font-family: var(--serif); font-size: 1.25rem; font-weight: 600; }
.author-card .name a { color: var(--ink); text-decoration: none; }
.author-card .name a:hover { text-decoration: underline; }
.author-card .bio { margin-top: .75rem; max-width: var(--measure); font-size: .97rem; }
.author-card .links { margin-top: .75rem; display: flex; flex-wrap: wrap; gap: .25rem 1.25rem; font-size: .9rem; }

/* Hub index ("ledger") */
.hub-index { margin-top: 3.5rem; }
.hub-group { margin-top: 2rem; }
.hub-group h3 { font-family: var(--sans); font-size: 1rem; color: var(--muted); }
.ledger { list-style: none; padding: 0; margin-top: .75rem; border-top: 1px solid var(--line); }
.ledger li { display: grid; gap: .25rem; padding: 1rem 0; border-bottom: 1px solid var(--line); }
.ledger p { font-size: .95rem; color: var(--muted); }
@media (min-width: 640px) { .ledger.split li { grid-template-columns: minmax(0,1fr) minmax(0,1.2fr); gap: 1.5rem; } }

/* ---------- Home ---------- */
.hero { border-bottom: 1px solid var(--line); }
.hero .wrap { display: grid; gap: 2.5rem; padding-top: 3.5rem; padding-bottom: 3.5rem; }
@media (min-width: 1024px) { .hero .wrap { grid-template-columns: minmax(0,1.25fr) minmax(0,1fr); align-items: end; padding-top: 5rem; padding-bottom: 5rem; } }
.hero h1 { font-size: clamp(2.4rem, 1.6rem + 3.4vw, 4rem); line-height: 1.05; max-width: 16ch; }
.hero .lede { margin-top: 1.5rem; max-width: 58ch; font-size: 1.15rem; line-height: 1.6; }
.hero .ctas { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: .75rem; }
.hero-panel { background: var(--mist); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; }
.hero-panel .asked { margin-top: 1.25rem; font-size: .9rem; font-weight: 600; color: var(--ink); }
.hero-panel ul { list-style: none; padding: 0; margin-top: .5rem; font-size: .97rem; }
.hero-panel li + li { margin-top: .35rem; }

.section { padding: 3.5rem 0; }
.section.alt { background: var(--mist); }
.section .intro { margin-top: .5rem; max-width: var(--measure); color: var(--muted); }
.featured { list-style: none; padding: 0; margin-top: 2rem; display: grid; gap: 2rem; }
@media (min-width: 768px) { .featured { grid-template-columns: repeat(3, 1fr); } }
.featured li { border-top: 3px solid var(--ink); padding-top: 1.25rem; }
.featured h3 { font-size: 1.35rem; line-height: 1.3; }
.featured h3 a { color: var(--ink); text-decoration: none; }
.featured h3 a:hover { text-decoration: underline; }
.featured p { margin-top: .75rem; font-size: .98rem; }
.topic-row { display: grid; gap: 2rem; }
@media (min-width: 1024px) { .topic-row { grid-template-columns: minmax(0,1fr) minmax(0,1.6fr); } }
.topic-row .lead { margin-top: .75rem; max-width: 46ch; }
.topic-row .hub-link { margin-top: 1.25rem; font-weight: 600; }
.qa { display: grid; gap: 2rem 2.5rem; margin: 2rem 0 0; }
@media (min-width: 768px) { .qa { grid-template-columns: 1fr 1fr; } }
.qa > div { border-left: 4px solid var(--teal); padding-left: 1.25rem; }
.qa dt { font-family: var(--serif); font-size: 1.12rem; font-weight: 600; color: var(--ink); }
.qa dd { margin: .5rem 0 0; }
.two-col { display: grid; gap: 2.5rem; }
@media (min-width: 768px) { .two-col { grid-template-columns: 1fr 1fr; } }
.two-col p { max-width: var(--measure); margin-top: .75rem; }
.link-row { margin-top: 1rem; display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; }
.bordered { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

/* ---------- Search ---------- */
.search-form label { display: block; font-weight: 600; color: var(--ink); }
.search-row { display: flex; gap: .5rem; margin-top: .5rem; }
.search-row input { flex: 1; min-width: 0; border: 1px solid #B9C3CF; border-radius: var(--radius); padding: .75rem 1rem; font: inherit; color: var(--ink); background: #fff; }
.search-row input:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(14,110,102,.25); }
.search-status { margin-top: 2rem; font-weight: 600; color: var(--muted); }
.result-kind { font-size: .85rem; color: var(--muted); }
[hidden] { display: none !important; }

/* ---------- Static pages ---------- */
.static-body { margin-top: 2.5rem; }
.static-body h2 { margin-top: 2.5rem; }
.updated { margin-top: 1rem; font-size: .88rem; color: var(--muted); }
.lead-text { margin-top: 1.25rem; font-size: 1.12rem; line-height: 1.6; color: var(--ink); max-width: var(--measure); }
.tags { list-style: none; padding: 0; margin-top: 1rem; display: flex; flex-wrap: wrap; gap: .5rem; }
.tags li { border: 1px solid var(--line); border-radius: 4px; padding: .2rem .7rem; font-size: .95rem; }

@media print {
  .site-header, .site-footer, .doc-aside, .toc-mobile, .next-steps { display: none; }
  a { color: inherit; }
}

/* =====================================================================
   Design refresh (v2): header band, at-a-glance card, guide cards,
   decision paths, dark footer, richer tables, progress bar.
   ===================================================================== */
:root { --ink-2: #1D2F52; --sand: #F7F5F0; --shadow: 0 1px 2px rgba(19,33,60,.06), 0 8px 24px -12px rgba(19,33,60,.18); }
body { font-size: 1.09rem; line-height: 1.7; }
.prose p, .prose li { max-width: 70ch; }

/* Reading progress */
.progress { position: fixed; top: 0; left: 0; height: 3px; width: 0; background: var(--teal); z-index: 60; }

/* Header refinements */
.site-header { box-shadow: 0 1px 0 var(--line); border-bottom: 0; }
.site-header .wrap { height: 4.25rem; }

/* Full-width document header band */
.doc-band { background: linear-gradient(180deg, var(--mist) 0%, #fff 100%); border-bottom: 1px solid var(--line); }
.doc-band .wrap { padding-top: 1.75rem; padding-bottom: 2.25rem; }
.doc-band .doc-head { margin-top: 1.25rem; }
.kicker { display: inline-flex; align-items: center; gap: .5rem; }
.badge { display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .02em; padding: .2rem .55rem; border-radius: 999px; background: var(--ink); color: #fff; }
.badge.guide { background: var(--teal); }
.badge.comparison { background: #3B4F8F; }
.badge.review { background: #7A3E8F; }
.badge.how-to { background: #9A5A0A; }
.badge.hub { background: var(--ink); }
.doc-band .short-answer { background: #fff; box-shadow: var(--shadow); border-radius: 0 var(--radius) var(--radius) 0; }
.doc-band .byline { border: 0; padding-bottom: 0; }
.doc-grid { margin-top: 3rem; }

/* At a glance */
.glance { margin-top: 1.5rem; display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
@media (min-width: 640px) { .glance { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .glance.cols-4 { grid-template-columns: repeat(4, 1fr); } .glance.cols-3 { grid-template-columns: repeat(3, 1fr); } }
.glance div { background: #fff; padding: 1rem 1.1rem; }
.glance dt { font-size: .8rem; font-weight: 700; color: var(--teal-dark); text-transform: none; }
.glance dd { margin: .3rem 0 0; font-size: .95rem; line-height: 1.5; color: var(--ink); }

/* Section headings: quiet rule for rhythm */
.doc-section > h2 { padding-top: 1.75rem; border-top: 1px solid var(--line); }
.doc-section:first-child > h2 { padding-top: 0; border-top: 0; }
.toc ol { counter-reset: toc; }
.toc li { counter-increment: toc; }
.toc a::before { content: counter(toc) ". "; color: var(--muted); font-variant-numeric: tabular-nums; }

/* Tables: zebra + sticky first column */
.data-table tbody tr:nth-child(even) > * { background: #FAFBFC; }
.data-table tbody th { position: sticky; left: 0; background: #fff; z-index: 1; }
.data-table tbody tr:nth-child(even) > th { background: #FAFBFC; }

/* Guide cards (hubs, related, home) */
.guide-cards { list-style: none; padding: 0; margin-top: 1.25rem; display: grid; gap: 1rem; }
@media (min-width: 640px) { .guide-cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .guide-cards.three { grid-template-columns: repeat(3, 1fr); } }
.guide-card { position: relative; display: flex; flex-direction: column; gap: .5rem; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 1.25rem 1.25rem 1.1rem; transition: border-color .15s, box-shadow .15s, transform .15s; }
.guide-card:hover { border-color: #B9C3CF; box-shadow: var(--shadow); transform: translateY(-1px); }
.guide-card a.title { font-family: var(--serif); font-size: 1.15rem; font-weight: 600; line-height: 1.35; color: var(--ink); text-decoration: none; }
.guide-card a.title::after { content: ""; position: absolute; inset: 0; border-radius: 10px; }
.guide-card a.title:hover { text-decoration: underline; }
.guide-card p { font-size: .95rem; color: var(--muted); }
.guide-card .meta { margin-top: auto; padding-top: .5rem; font-size: .82rem; color: var(--muted); display: flex; gap: .75rem; align-items: center; }

/* Home: hero + decision paths */
.hero { background: radial-gradient(1200px 500px at 85% -10%, #E3F0EE 0%, rgba(227,240,238,0) 60%), #fff; }
.paths { list-style: none; padding: 0; margin-top: 2rem; display: grid; gap: 1rem; }
@media (min-width: 768px) { .paths { grid-template-columns: repeat(3, 1fr); } }
.path { position: relative; border: 1px solid var(--line); border-radius: 12px; padding: 1.5rem; background: #fff; transition: box-shadow .15s, border-color .15s; }
.path:hover { box-shadow: var(--shadow); border-color: #B9C3CF; }
.path svg { display: block; width: 2.25rem; height: 2.25rem; }
.path h3 { margin-top: .9rem; font-size: 1.2rem; }
.path h3 a { color: var(--ink); text-decoration: none; }
.path h3 a::after { content: ""; position: absolute; inset: 0; border-radius: 12px; }
.path p { margin-top: .5rem; font-size: .97rem; }
.path ul { margin-top: .75rem; padding-left: 1.1rem; font-size: .92rem; color: var(--muted); }
.facts { display: flex; flex-wrap: wrap; gap: .5rem 2rem; margin-top: 1.75rem; font-size: .92rem; color: var(--muted); }
.facts strong { color: var(--ink); font-size: 1.05rem; }
.primer { display: grid; gap: 3rem; }
@media (min-width: 1024px) { .primer { grid-template-columns: 15rem minmax(0, 1fr); } .primer .toc { position: sticky; top: 6rem; align-self: start; } }
.primer .prose { max-width: 48rem; }

/* Dark footer */
.site-footer { background: var(--ink); color: #C9D2E0; border-top: 0; }
.site-footer h2 { color: #fff; }
.site-footer .brand span { color: #fff; }
.site-footer li a { color: #C9D2E0; }
.site-footer li a:hover { color: #fff; }
.site-footer .footer-note { color: #AEB9CB; }
.site-footer a { color: #9FE0D6; }
.footer-base { border-top: 1px solid #2A3B5E; }
.footer-base .wrap { color: #AEB9CB; }

/* Back to top */
.to-top { display: inline-block; margin-top: 2.5rem; font-size: .9rem; }

/* Logo (v3) */
.brand img { display: block; height: 44px; width: auto; }
@media (min-width: 640px) { .brand img { height: 48px; } }
.site-header .wrap { height: 4.5rem; }
.footer-logo { display: inline-block; background: #fff; border-radius: 10px; padding: .45rem .8rem; }
.footer-logo img { display: block; height: 44px; width: auto; }
.byline .who a[rel~="me"] { font-weight: 500; color: var(--teal-dark); }
.sister { margin-top: 1rem; border: 1px dashed #B9C3CF; border-radius: var(--radius); padding: 1rem 1.25rem; background: #fff; }