@import "/assets/css/fonts.css";

/* ============================================================
   Maxi Capitalist design system
   Palette, type and spacing derived from the X banner reference.
   ============================================================ */

:root {
  /* Colour */
  --paper: #f3efe5;
  --paper-alt: #eae5d9;
  --ink: #202020;
  --ink-soft: #66635e;
  --line: #b9b2a5;
  --line-faint: #d8d1c2;
  --ink-deep: #30302e;
  --accent: #756a5c; /* the single accent, used sparingly */

  /* Type */
  --serif: "EB Garamond", "Iowan Old Style", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --hand: "Caveat", "Segoe Script", cursive;

  /* Measure & rhythm */
  --measure: 44rem;      /* ~700px reading width */
  --wide: 78rem;         /* ~1248px site width */
  --gap: clamp(1rem, 2vw, 1.75rem);
  --section-y: clamp(4rem, 8vw, 7.5rem);

  --radius: 2px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}
img, svg, video { max-width: 100%; height: auto; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;      /* 17px base */
  line-height: 1.7;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 500; line-height: 1.15; margin: 0 0 0.6em; letter-spacing: -0.005em; }
p { margin: 0 0 1.2em; }

/* Prevent horizontal overflow from the off-canvas mobile nav */
html, body { overflow-x: clip; }
@supports not (overflow-x: clip) { html, body { overflow-x: hidden; } }

hr { border: 0; border-top: 1px solid var(--line); margin: 0; }
::selection { background: #dcd4c3; }

/* ---------- Layout primitives ---------- */
.wrap { width: 100%; max-width: var(--wide); margin-inline: auto; padding-inline: clamp(1.25rem, 5vw, 3rem); }
.measure { max-width: var(--measure); margin-inline: auto; }
.section { padding-block: var(--section-y); }
.section--alt { background: var(--paper-alt); }
.section--tight { padding-block: clamp(3rem, 6vw, 5rem); }

.eyebrow {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1.4rem;
}
.rule-top { border-top: 1px solid var(--line); padding-top: 2.4rem; }

/* ---------- Skip link ---------- */
.skip {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--ink); color: var(--paper); padding: 0.6rem 1rem; border-radius: var(--radius);
}
.skip:focus { left: 1rem; top: 1rem; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(1.1) blur(6px);
  border-bottom: 1px solid var(--line);
}
.site-header__bar { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding-block: 0.9rem; }
.wordmark { display: inline-flex; align-items: center; gap: 0.7rem; }
.wordmark__mark { width: 26px; height: 26px; opacity: 0.92; flex: none; }
.wordmark__text { display: flex; flex-direction: column; line-height: 0.98; }
.wordmark__text b { font-family: var(--serif); font-weight: 600; font-size: 1.12rem; letter-spacing: 0.06em; }
.wordmark__text span { font-family: var(--serif); font-weight: 500; font-size: 0.74rem; letter-spacing: 0.32em; color: var(--ink-soft); }

.nav { display: flex; align-items: center; gap: 1.6rem; }
.nav a { font-size: 0.9rem; color: var(--ink-soft); position: relative; padding-block: 0.2rem; transition: color 0.2s ease; }
.nav a:hover, .nav a:focus-visible { color: var(--ink); }
.nav a[aria-current="page"] { color: var(--ink); }
.nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -2px; height: 1px;
  background: var(--ink); transition: right 0.25s ease;
}
.nav a:hover::after, .nav a[aria-current="page"]::after { right: 0; }
.nav__x { display: inline-flex; }
.nav__x svg { width: 16px; height: 16px; fill: var(--ink-soft); transition: fill 0.2s ease; }
.nav__x:hover svg { fill: var(--ink); }

.nav-toggle { display: none; }

/* ---------- Buttons / links ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--sans); font-size: 0.9rem; font-weight: 500;
  padding: 0.7rem 1.2rem; border: 1px solid var(--ink); border-radius: var(--radius);
  color: var(--ink); background: transparent; cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}
.btn:hover, .btn:focus-visible { background: var(--ink); color: var(--paper); }
.link-underline { border-bottom: 1px solid var(--line); transition: border-color 0.2s ease; }
.link-underline:hover { border-color: var(--ink); }
.arrow-link { font-size: 0.9rem; color: var(--ink); display: inline-flex; align-items: center; gap: 0.4rem; }
.arrow-link span { transition: transform 0.2s ease; }
.arrow-link:hover span { transform: translateX(3px); }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; }
.hero__grid { display: grid; grid-template-columns: 1.05fr 1.35fr; align-items: center; gap: clamp(1rem, 4vw, 3rem); padding-block: clamp(3.5rem, 7vw, 6rem); }
.hero__title { font-size: clamp(2.6rem, 6vw, 4.3rem); font-weight: 500; letter-spacing: 0.04em; margin: 0 0 0.2em; }
.hero__title .cap { display: block; letter-spacing: 0.16em; }
.hero__lede { font-family: var(--serif); font-size: clamp(1.25rem, 2vw, 1.55rem); color: var(--ink); font-style: italic; margin: 0.6rem 0 1.4rem; }
.hero__sub { color: var(--ink-soft); max-width: 30rem; margin-bottom: 2rem; }
.hero__actions { display: flex; align-items: center; gap: 1.6rem; flex-wrap: wrap; }
.hero__art { position: relative; }
.hero__art img { width: 100%; filter: contrast(1.02); }
.hero__accent { width: 42px; height: 1px; background: var(--accent); margin-bottom: 1.6rem; }

/* handwritten margin annotation */
.annot { font-family: var(--hand); color: var(--ink-soft); font-size: 1.25rem; line-height: 1.25; }

/* ---------- Editorial intro ---------- */
.intro h2 { font-size: clamp(1.9rem, 3.5vw, 2.7rem); max-width: 22ch; }
.intro p { font-size: 1.15rem; color: var(--ink-soft); }
.intro .lead-first { color: var(--ink); }

/* ---------- Featured essays ---------- */
.featured { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(2rem, 4vw, 3.5rem); }
.essay-lead { border-top: 2px solid var(--ink); padding-top: 1.6rem; }
.essay-lead .kicker, .essay-item .kicker { font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); font-weight: 600; }
.essay-lead h3 { font-size: clamp(1.7rem, 3vw, 2.4rem); margin-top: 0.7rem; }
.essay-lead p { color: var(--ink-soft); font-size: 1.08rem; }
.essay-side { display: flex; flex-direction: column; gap: 1.6rem; }
.essay-item { border-top: 1px solid var(--line); padding-top: 1.2rem; }
.essay-item h3 { font-size: 1.35rem; margin-top: 0.5rem; }
.essay-item p { color: var(--ink-soft); font-size: 0.98rem; margin-bottom: 0.7rem; }
.meta { font-size: 0.8rem; color: var(--ink-soft); font-family: var(--sans); }
.meta span + span::before { content: "·"; margin: 0 0.5rem; color: var(--line); }
.card-link h3 { transition: color 0.2s ease; }
.card-link:hover h3 { color: var(--accent); }

/* ---------- Topics grid ---------- */
.topics { border-top: 1px solid var(--line); }
.topic-row {
  display: grid; grid-template-columns: 3.5rem 1fr auto; align-items: baseline; gap: 1.5rem;
  border-bottom: 1px solid var(--line); padding: 1.5rem 0; transition: padding-left 0.25s ease;
}
.topic-row:hover { padding-left: 0.6rem; }
.topic-row .idx { font-family: var(--serif); font-size: 1.1rem; color: var(--accent); }
.topic-row h3 { font-size: 1.4rem; margin: 0 0 0.15em; }
.topic-row p { margin: 0; color: var(--ink-soft); font-size: 0.98rem; max-width: 46ch; }
.topic-row .go { color: var(--ink-soft); }
.topic-row:hover .go { color: var(--ink); }

/* ---------- Principles ---------- */
.principles { position: relative; }
.principles__list { display: grid; gap: 0.2rem; max-width: 40rem; }
.principles__list p {
  font-family: var(--serif); font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 400;
  color: var(--ink); margin: 0; padding: 0.7rem 0; border-bottom: 1px dashed var(--line-faint);
}
.principles__list p:last-child { border-bottom: 0; }
.blueprint-ticks { position: absolute; inset: 0; pointer-events: none; opacity: 0.5; }

/* ---------- Notes ---------- */
.notes { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 3.5rem; }
.note { border-top: 1px solid var(--line); padding: 1.3rem 0; }
.note h3 { font-size: 1.2rem; margin: 0.3rem 0 0.4rem; }
.note p { font-size: 0.95rem; color: var(--ink-soft); margin: 0; }

/* ---------- Library ---------- */
.library-index { border-top: 1px solid var(--line); margin-top: 1.8rem; }
.library-index a { display: grid; grid-template-columns: 1fr auto; gap: 1rem; align-items: center; padding: 1.05rem 0; border-bottom: 1px solid var(--line); transition: padding-left 0.25s ease; }
.library-index a:hover { padding-left: 0.6rem; }
.library-index .g-title { font-family: var(--serif); font-size: 1.25rem; }
.library-index .g-def { display: block; font-family: var(--sans); font-size: 0.9rem; color: var(--ink-soft); margin-top: 0.15rem; }
.library-index .g-arrow { color: var(--ink-soft); }

/* Library search */
.lib-search { display: flex; align-items: center; gap: 0.75rem; border: 1px solid var(--line); border-radius: var(--radius); padding: 0.7rem 1rem; max-width: 30rem; background: var(--paper); }
.lib-search input { border: 0; background: transparent; font-family: var(--sans); font-size: 1rem; width: 100%; color: var(--ink); }
.lib-search input:focus { outline: none; }
.lib-search svg { width: 16px; height: 16px; fill: var(--ink-soft); flex: none; }

/* ---------- Subscribe ---------- */
.subscribe { text-align: left; }
.subscribe h2 { font-size: clamp(1.9rem, 3.5vw, 2.6rem); }
.subscribe p { color: var(--ink-soft); max-width: 40ch; }
.sub-form { display: flex; gap: 0.6rem; max-width: 26rem; margin-top: 1.4rem; flex-wrap: wrap; }
.sub-form input[type="email"] {
  flex: 1 1 14rem; border: 1px solid var(--line); background: var(--paper); border-radius: var(--radius);
  padding: 0.7rem 0.9rem; font-family: var(--sans); font-size: 1rem; color: var(--ink);
}
.sub-form input[type="email"]:focus { outline: 2px solid var(--ink); outline-offset: 1px; }
.sub-fine { font-size: 0.82rem; color: var(--ink-soft); margin-top: 0.9rem; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); background: var(--paper-alt); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 2rem; padding-block: 3.5rem 2rem; }
.footer-brand .tagline { font-family: var(--serif); font-style: italic; color: var(--ink-soft); margin-top: 0.6rem; }
.footer-col h4 { font-family: var(--sans); font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-soft); font-weight: 600; margin-bottom: 0.9rem; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.5rem; }
.footer-col a { font-size: 0.92rem; color: var(--ink-soft); }
.footer-col a:hover { color: var(--ink); }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding-block: 1.4rem; border-top: 1px solid var(--line); font-size: 0.82rem; color: var(--ink-soft); }
.footer-disclaimer { max-width: 60ch; }

/* ============================================================
   Article / content pages
   ============================================================ */
.article { padding-block: clamp(2.5rem, 5vw, 4rem) var(--section-y); }
.article__head { max-width: var(--measure); margin: 0 auto clamp(2rem, 4vw, 3rem); }
.article__kicker { font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); font-weight: 600; }
.article__title { font-size: clamp(2.1rem, 5vw, 3.4rem); margin: 0.6rem 0 0.4rem; letter-spacing: -0.01em; }
.article__subtitle { font-family: var(--serif); font-style: italic; font-size: clamp(1.15rem, 2.2vw, 1.5rem); color: var(--ink-soft); margin-bottom: 1.2rem; }
.article__meta { font-size: 0.85rem; color: var(--ink-soft); display: flex; gap: 0; flex-wrap: wrap; border-top: 1px solid var(--line); padding-top: 1rem; }

.prose { max-width: var(--measure); margin-inline: auto; font-size: 1.15rem; line-height: 1.78; }
.prose > * { margin-inline: auto; }
.prose p { color: #2b2b2a; }
.prose h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); margin-top: 2.2em; }
.prose h3 { font-size: 1.4rem; margin-top: 1.8em; }
.prose a { border-bottom: 1px solid var(--line); }
.prose a:hover { border-color: var(--ink); }
.prose blockquote {
  margin: 2rem 0; padding: 0.2rem 0 0.2rem 1.6rem; border-left: 2px solid var(--accent);
  font-family: var(--serif); font-style: italic; font-size: 1.4rem; line-height: 1.4; color: var(--ink);
}
.prose ul, .prose ol { padding-left: 1.3rem; }
.prose li { margin-bottom: 0.5em; }
.prose img { margin: 2rem auto; }
.prose figure { margin: 2.4rem 0; }
.prose figcaption { font-size: 0.85rem; color: var(--ink-soft); text-align: center; margin-top: 0.7rem; font-family: var(--sans); }
.prose hr { margin: 2.6rem 0; border-top: 1px solid var(--line); }
.prose table { width: 100%; border-collapse: collapse; font-family: var(--sans); font-size: 0.95rem; margin: 2rem 0; }
.prose th, .prose td { text-align: left; padding: 0.7rem 0.9rem; border-bottom: 1px solid var(--line); }
.prose th { font-weight: 600; border-bottom: 1px solid var(--ink); }
.prose code { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 0.88em; background: var(--paper-alt); padding: 0.1em 0.35em; border-radius: 3px; }
.footnotes { font-size: 0.92rem; color: var(--ink-soft); border-top: 1px solid var(--line); margin-top: 3rem; padding-top: 1.4rem; }

/* Guide-specific blocks */
.guide-def { font-family: var(--serif); font-size: 1.35rem; font-style: italic; color: var(--ink); border-left: 2px solid var(--accent); padding-left: 1.3rem; margin: 0 auto 2rem; max-width: var(--measure); }
.takeaways { max-width: var(--measure); margin: 0 auto 2.4rem; background: var(--paper-alt); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem 1.6rem; }
.takeaways h2 { font-size: 1.1rem; font-family: var(--sans); letter-spacing: 0.02em; margin-bottom: 0.7rem; }
.takeaways ul { margin: 0; padding-left: 1.1rem; }
.toc { max-width: var(--measure); margin: 0 auto 2.4rem; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem 1.5rem; font-family: var(--sans); }
.toc h2 { font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-soft); }
.toc ol { margin: 0.4rem 0 0; padding-left: 1.1rem; }
.toc a { color: var(--ink-soft); font-size: 0.95rem; }
.toc a:hover { color: var(--ink); }

/* breadcrumbs */
.crumbs { max-width: var(--measure); margin: 0 auto 1.6rem; font-size: 0.82rem; color: var(--ink-soft); font-family: var(--sans); }
.crumbs a:hover { color: var(--ink); }
.crumbs span { margin: 0 0.5rem; color: var(--line); }

/* related + article subscribe strip */
.related { border-top: 1px solid var(--line); margin-top: 3.5rem; padding-top: 2rem; max-width: var(--measure); margin-inline: auto; }
.related h2 { font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-soft); font-family: var(--sans); }
.related ul { list-style: none; margin: 1rem 0 0; padding: 0; display: grid; gap: 1rem; }
.related a { font-family: var(--serif); font-size: 1.2rem; }
.related a:hover { color: var(--accent); }

/* topic page */
.topic-hero { border-bottom: 1px solid var(--line); }
.topic-hero .eyebrow { color: var(--accent); }
.topic-hero h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
.topic-hero p { font-size: 1.15rem; color: var(--ink-soft); max-width: 52ch; }
.col-two { display: grid; grid-template-columns: 1.5fr 1fr; gap: clamp(2rem, 5vw, 4rem); }

/* legal pages */
.legal { max-width: var(--measure); margin-inline: auto; }
.legal h1 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 0.3rem; }
.legal .updated { font-size: 0.85rem; color: var(--ink-soft); margin-bottom: 2rem; }
.legal h2 { font-size: 1.4rem; margin-top: 2rem; }
.legal p, .legal li { color: #2b2b2a; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

/* ---------- Focus ---------- */
:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; border-radius: 1px; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__art { order: 2; margin-top: 1rem; }
  .featured { grid-template-columns: 1fr; }
  .notes { grid-template-columns: 1fr; gap: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .col-two { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav { position: fixed; inset: 0 0 0 auto; width: min(78vw, 320px); flex-direction: column; align-items: flex-start; gap: 1.4rem;
    background: var(--paper); border-left: 1px solid var(--line); padding: 5rem 2rem 2rem; transform: translateX(100%); transition: transform 0.3s ease; }
  .nav.is-open { transform: none; box-shadow: -20px 0 60px rgba(0,0,0,0.08); }
  .nav a { font-size: 1.05rem; }
  .nav-toggle { display: inline-flex; flex-direction: column; gap: 4px; background: none; border: 0; padding: 0.4rem; cursor: pointer; z-index: 50; }
  .nav-toggle span { width: 22px; height: 1.5px; background: var(--ink); transition: transform 0.25s ease, opacity 0.25s ease; }
  .nav-toggle.is-open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2) { opacity: 0; }
  .nav-toggle.is-open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }
  .topic-row { grid-template-columns: 2rem 1fr; }
  .topic-row .go { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .prose { font-size: 1.08rem; }

  /* Wide tables (e.g. comparison grids) scroll sideways instead of breaking the page */
  .prose table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; font-size: 0.85rem; }
  .prose th, .prose td { padding: 0.55rem 0.7rem; white-space: nowrap; }
  /* Long links, source URLs and words never push the layout wider than the screen */
  .prose a, .footnotes, .footnotes a, .footnotes li, .crumbs { overflow-wrap: anywhere; word-break: break-word; }
  /* Comfortable tap targets */
  .btn { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; }
  .nav-toggle { padding: 0.6rem; }
  .hero__actions { gap: 1.1rem; }
}

/* Very small phones */
@media (max-width: 400px) {
  .wrap { padding-inline: 1.15rem; }
  .hero__title { letter-spacing: 0.02em; }
  .hero__title .cap { letter-spacing: 0.1em; }
}

/* ---- Statistics pillar: stat cards + hub layout ---- */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin: 2rem 0 2.5rem; }
.stat-card { background: var(--paper-alt); border: 1px solid var(--line-faint); border-radius: 4px; padding: 1.2rem 1.25rem 1.1rem; }
.stat-card .stat-num { display: block; font-family: var(--serif); font-size: 2.1rem; line-height: 1.02; color: var(--ink); font-weight: 600; letter-spacing: -0.01em; }
.stat-card .stat-label { display: block; font-family: var(--sans); font-size: 0.82rem; line-height: 1.35; color: var(--ink); margin-top: 0.45rem; font-weight: 600; }
.stat-card .stat-src { display: block; font-family: var(--sans); font-size: 0.7rem; color: var(--ink-soft); margin-top: 0.35rem; font-style: italic; }
.stat-domain { border-top: 1px solid var(--line-faint); padding-top: 1.4rem; margin-top: 2.2rem; }
.stat-domain .stat-domain__more { font-family: var(--sans); font-size: 0.85rem; font-weight: 600; }
.stats-updated { font-family: var(--sans); font-size: 0.8rem; color: var(--ink-soft); font-style: italic; margin: 0.5rem 0 1.5rem; }
@media (max-width: 640px) {
  .stat-grid { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 0.75rem; }
  .stat-card { padding: 0.95rem 1rem 0.9rem; }
  .stat-card .stat-num { font-size: 1.75rem; }
}

/* ---- Library: category filter chips + grouped list ---- */
.lib-filters { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1.6rem 0 0.5rem; }
.chip { font-family: var(--sans); font-size: 0.85rem; line-height: 1; padding: 0.5rem 0.9rem; border: 1px solid var(--line); border-radius: 999px; background: var(--paper); color: var(--ink-soft); cursor: pointer; transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease; }
.chip:hover { border-color: var(--ink-soft); color: var(--ink); }
.chip.is-active { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.chip .chip__count { opacity: 0.6; margin-left: 0.35rem; font-variant-numeric: tabular-nums; }
.chip.is-active .chip__count { opacity: 0.8; }
.lib-group { margin-top: 2.4rem; }
.lib-group:first-of-type { margin-top: 1.2rem; }
.lib-group__title { font-family: var(--serif); font-weight: 500; font-size: 1.5rem; margin: 0; padding-bottom: 0.55rem; border-bottom: 1px solid var(--ink); display: flex; align-items: baseline; justify-content: space-between; }
.lib-group__count { font-family: var(--sans); font-size: 0.8rem; color: var(--ink-soft); font-weight: 400; font-variant-numeric: tabular-nums; }
.lib-group .library-index { border-top: 0; margin-top: 0; }

/* ---- Interactive data tables: sort + filter ---- */
.data-table-filter { margin: 1.5rem 0 0.5rem; }
.data-table-filter input { font-family: var(--sans); font-size: 0.95rem; width: 100%; max-width: 22rem; padding: 0.6rem 0.9rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); color: var(--ink); }
.data-table-filter input:focus { outline: none; border-color: var(--ink-soft); }
.prose table.data-table th.sortable { cursor: pointer; user-select: none; white-space: nowrap; position: relative; }
.prose table.data-table th.sortable::after { content: " \2195"; opacity: 0.35; font-size: 0.85em; }
.prose table.data-table th.sort-asc::after { content: " \2191"; opacity: 0.9; }
.prose table.data-table th.sort-desc::after { content: " \2193"; opacity: 0.9; }
.prose table.data-table th.sortable:hover { color: var(--accent); }
.prose table.data-table tbody tr:hover { background: var(--paper-alt); }


/* P1 accessibility: semantic footer heading, sr-only utility, larger tap targets */
.footer-col .footer__heading { font-family: var(--sans); font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-soft); font-weight: 600; margin: 0 0 0.9rem; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.nav-toggle { min-height: 44px; min-width: 44px; }
.chip { min-height: 44px; display: inline-flex; align-items: center; }
.data-table-filter input { min-height: 44px; }

/* ---- Statistics: lightweight SVG charts ---- */
.stat-chart { margin: 2rem 0 2.4rem; }
.stat-chart__title { font-family: var(--sans); font-size: 0.9rem; font-weight: 600; color: var(--ink); margin-bottom: 0.7rem; }
.stat-chart svg { display: block; width: 100%; height: auto; }
.stat-chart figcaption { font-family: var(--sans); font-size: 0.78rem; color: var(--ink-soft); font-style: italic; margin-top: 0.55rem; }