/* ============================================================
   provenance-tracking.com — Mocha Latte design system
   ============================================================ */

:root {
  /* Palette — espresso black, mocha brown, tan/latte, cream, foam, moss greens, terracotta accent */
  --espresso: #2b1d12;
  --mocha: #5a3c25;
  --mocha-soft: #6f4d33;
  --latte: #c8a781;
  --tan: #d9b78f;
  --cream: #f6efe2;
  --foam: #fbf6ec;
  --paper: #fffdf8;
  --moss: #5e7b4a;
  --moss-deep: #3f5a30;
  --moss-soft: #b6c79f;
  --leaf: #88a373;
  --terracotta: #b85c3b;
  --terracotta-soft: #d68361;
  --ink: #2a1f17;
  --muted-ink: #6f5a47;
  --line: rgba(43, 29, 18, 0.12);
  --line-strong: rgba(43, 29, 18, 0.22);
  --shadow-sm: 0 1px 2px rgba(43, 29, 18, 0.08), 0 1px 1px rgba(43, 29, 18, 0.04);
  --shadow-md: 0 6px 18px rgba(43, 29, 18, 0.12), 0 2px 6px rgba(43, 29, 18, 0.06);
  --shadow-lg: 0 18px 40px rgba(43, 29, 18, 0.18), 0 6px 12px rgba(43, 29, 18, 0.08);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-pill: 999px;
  --header-h: 64px;
  --content-max: min(108rem, 96vw);
  --prose-max: min(78rem, 100%);
  --font-sans: "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Source Serif Pro", "Iowan Old Style", "Apple Garamond", Georgia, serif;
  --font-mono: "JetBrains Mono", "Fira Code", "SFMono-Regular", Menlo, Consolas, monospace;
}

/* ----- Reset ------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.78;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(184, 92, 59, 0.06), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(94, 123, 74, 0.08), transparent 60%),
    var(--cream);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}
img, svg { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; }
:focus-visible {
  outline: 3px solid var(--moss);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ----- Page shell ------------------------------------------- */
.page {
  flex: 1 0 auto;
  width: 100%;
}
.container {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: clamp(1rem, 3vw, 2.5rem);
}

/* In-page anchor offset for sticky header */
:target,
h1[id], h2[id], h3[id], h4[id], h5[id], h6[id] {
  scroll-margin-top: calc(var(--header-h) + 1rem);
}

/* ----- Header ----------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(140%) blur(10px);
  background: rgba(43, 29, 18, 0.92);
  color: var(--foam);
  border-bottom: 1px solid rgba(255, 253, 248, 0.1);
  box-shadow: var(--shadow-sm);
}
.site-header .container {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  min-height: var(--header-h);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--foam);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.brand:hover, .brand:focus-visible { color: var(--tan); }
.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--latte), var(--terracotta-soft));
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-sm);
}
.brand-mark svg { width: 24px; height: 24px; }
.brand-text { line-height: 1.1; }
.brand-text small {
  display: block;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--tan);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-toggle {
  margin-left: auto;
  display: none;
  background: transparent;
  color: var(--foam);
  border: 1px solid rgba(255, 253, 248, 0.25);
  border-radius: var(--radius-pill);
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
}
.primary-nav {
  margin-left: auto;
  display: flex;
  gap: 0.25rem;
  align-items: center;
}
.primary-nav a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--foam);
  text-decoration: none;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-pill);
  font-weight: 500;
  font-size: 0.95rem;
  transition: background 120ms ease, color 120ms ease, transform 120ms ease;
}
.primary-nav a:hover { background: rgba(255, 253, 248, 0.08); color: var(--tan); }
.primary-nav a[aria-current="page"] {
  background: linear-gradient(135deg, var(--latte), var(--terracotta-soft));
  color: var(--espresso);
}
.primary-nav a svg { width: 18px; height: 18px; }

@media (max-width: 64rem) {
  .nav-toggle { display: inline-flex; }
  .primary-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    background: rgba(43, 29, 18, 0.98);
    padding: 0.75rem;
    margin: 0;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 160ms ease, transform 160ms ease;
    box-shadow: var(--shadow-md);
  }
  .primary-nav.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .primary-nav a { width: 100%; }
}

/* ----- Footer ----------------------------------------------- */
.site-footer {
  flex-shrink: 0;
  margin-top: 4rem;
  background: var(--espresso);
  color: var(--foam);
  padding: 2.25rem 0 1.5rem;
}
.site-footer .container {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}
@media (min-width: 48rem) {
  .site-footer .container { grid-template-columns: 1.2fr 1fr 1fr 1fr; }
}
.footer-brand { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-brand p { color: var(--tan); margin: 0; font-size: 0.95rem; }
.footer-col h3 {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--latte);
  margin: 0 0 0.6rem;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.4rem; }
.footer-col a {
  color: var(--foam);
  text-decoration: none;
  font-size: 0.92rem;
  opacity: 0.85;
}
.footer-col a:hover { color: var(--tan); opacity: 1; }
.footer-meta {
  border-top: 1px solid rgba(255, 253, 248, 0.1);
  margin-top: 1.5rem;
  padding-top: 1rem;
  font-size: 0.8rem;
  color: var(--tan);
  text-align: center;
}

/* ----- Hero (home) ------------------------------------------ */
.hero {
  padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(2rem, 4vw, 3.5rem);
}
.hero-inner {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 64rem) {
  .hero-inner { grid-template-columns: 1.4fr 1fr; }
}
.hero-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--moss-deep);
  background: rgba(94, 123, 74, 0.12);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-pill);
  margin-bottom: 1rem;
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.08;
  margin: 0 0 1rem;
  background: linear-gradient(135deg, var(--espresso) 0%, var(--mocha) 45%, var(--moss-deep) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p { font-size: 1.1rem; color: var(--mocha); max-width: 56ch; }
.hero p + p { margin-top: 0.85rem; }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.75rem;
}
.cta {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.8rem 1.1rem 0.8rem 0.8rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--espresso);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
  transition: transform 140ms ease, box-shadow 140ms ease, border-color 140ms ease;
}
.cta:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--line-strong); }
.cta-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: var(--paper);
}
.cta-icon svg { width: 22px; height: 22px; }
.cta--espresso .cta-icon { background: linear-gradient(135deg, var(--mocha), var(--espresso)); }
.cta--moss .cta-icon { background: linear-gradient(135deg, var(--leaf), var(--moss-deep)); }
.cta--terracotta .cta-icon { background: linear-gradient(135deg, var(--terracotta-soft), var(--terracotta)); }

.hero-art {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 30% 25%, rgba(184, 92, 59, 0.18), transparent 55%),
    radial-gradient(circle at 75% 75%, rgba(94, 123, 74, 0.22), transparent 55%),
    linear-gradient(135deg, var(--foam), var(--tan));
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.hero-art svg { width: 100%; height: 100%; }

/* ----- Section cards (home) --------------------------------- */
.sections {
  padding: 2rem 0 4rem;
}
.sections h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.2vw, 2rem);
  margin: 0 0 1.5rem;
  color: var(--espresso);
}
.section-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.section-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.5rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--espresso);
  box-shadow: var(--shadow-sm);
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
  overflow: hidden;
}
.section-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--mocha), var(--latte));
}
.section-card--moss::before { background: linear-gradient(90deg, var(--leaf), var(--moss-deep)); }
.section-card--terracotta::before { background: linear-gradient(90deg, var(--terracotta-soft), var(--terracotta)); }
.section-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--line-strong);
}
.section-card h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.25rem;
}
.section-card p { margin: 0; color: var(--mocha); font-size: 0.97rem; }
.section-card .card-meta {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--moss-deep);
  font-weight: 600;
  font-size: 0.9rem;
}
.section-card .card-meta svg {
  width: 1.1em;
  height: 1.1em;
  flex: 0 0 auto;
  transition: transform 160ms ease;
}
.section-card:hover .card-meta svg { transform: translateX(3px); }
.section-card .card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--latte), var(--terracotta-soft));
  color: var(--paper);
  margin-bottom: 0.25rem;
}
.section-card--moss .card-icon { background: linear-gradient(135deg, var(--leaf), var(--moss-deep)); }
.section-card--terracotta .card-icon { background: linear-gradient(135deg, var(--terracotta-soft), var(--terracotta)); }
.section-card .card-icon svg { width: 24px; height: 24px; }

/* ----- Content article -------------------------------------- */
.content {
  padding: clamp(1.5rem, 3vw, 2.5rem) 0 4rem;
}
.content-layout {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}
@media (min-width: 80rem) {
  .content-layout {
    grid-template-columns: minmax(0, 1fr) 18rem;
    align-items: start;
  }
}

.breadcrumbs {
  font-size: 0.88rem;
  color: var(--mocha-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}
.breadcrumbs a { color: var(--mocha); text-decoration: none; border-bottom: 1px dotted var(--line-strong); }
.breadcrumbs a:hover { color: var(--terracotta); border-bottom-color: var(--terracotta); }
.breadcrumbs .sep { opacity: 0.5; }

.article {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 3.5vw, 3.25rem);
  box-shadow: var(--shadow-sm);
  min-width: 0;
}
.article > :first-child { margin-top: 0; }
.article > :last-child { margin-bottom: 0; }

.article h1, .article h2, .article h3, .article h4 {
  font-family: var(--font-serif);
  color: var(--espresso);
  line-height: 1.25;
  margin-top: 3rem;
  margin-bottom: 1rem;
}
.article h1 {
  font-size: clamp(1.85rem, 3.2vw, 2.75rem);
  margin-top: 0;
  margin-bottom: 1.75rem;
  background: linear-gradient(135deg, var(--espresso), var(--mocha) 45%, var(--moss-deep));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line);
}
.article h2 {
  font-size: clamp(1.45rem, 2.3vw, 1.85rem);
  color: var(--mocha);
  border-left: 4px solid var(--leaf);
  padding-left: 0.85rem;
  margin-top: 3.25rem;
}
.article h3 {
  font-size: 1.2rem;
  color: var(--moss-deep);
  margin-top: 2.5rem;
}
.article h4 {
  font-size: 1.05rem;
  color: var(--mocha-soft);
  margin-top: 2rem;
}
.article p { margin: 0 0 1.35rem; color: var(--ink); }
.article strong { color: var(--espresso); }
.article ul, .article ol { margin: 0 0 1.5rem; padding-left: 1.5rem; }
.article li { margin: 0.55rem 0; }
.article li > p { margin-bottom: 0.6rem; }
.article blockquote {
  border-left: 4px solid var(--terracotta-soft);
  background: rgba(216, 131, 97, 0.07);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  color: var(--mocha);
  margin: 1.5rem 0;
}
.article a {
  color: var(--moss-deep);
  text-decoration: none;
  background-image: linear-gradient(transparent 60%, rgba(94, 123, 74, 0.18) 60%);
  transition: color 120ms ease, background 120ms ease;
}
.article a:hover { color: var(--terracotta); background-image: linear-gradient(transparent 60%, rgba(184, 92, 59, 0.22) 60%); }
.article hr { border: 0; border-top: 1px solid var(--line); margin: 2rem 0; }

/* Inline code: subtle, no border, blends */
.article :not(pre) > code,
.article :not(pre) > a > code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  padding: 0.08em 0.35em;
  background: rgba(94, 123, 74, 0.1);
  color: var(--moss-deep);
  border-radius: 4px;
}

/* Tables */
.table-scroll {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  margin: 1.25rem 0;
  background: var(--paper);
  -webkit-overflow-scrolling: touch;
}
.article table {
  border-collapse: collapse;
  width: 100%;
  min-width: 36rem;
  font-size: 0.93rem;
}
.article th, .article td {
  text-align: left;
  padding: 0.95rem 1.1rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  line-height: 1.6;
}
.article th {
  background: linear-gradient(180deg, var(--foam), var(--cream));
  color: var(--espresso);
  font-weight: 700;
  border-bottom: 2px solid var(--latte);
  position: sticky;
  top: 0;
}
.article tbody tr:nth-child(even) td { background: rgba(216, 183, 143, 0.08); }
.article tbody tr:hover td { background: rgba(94, 123, 74, 0.08); }

/* Task-list checkboxes */
.article ul.contains-task-list { list-style: none; padding-left: 0.25rem; }
.article ul.contains-task-list li { margin: 0.75rem 0; }
.article .task-list-item { display: flex; align-items: flex-start; gap: 0.65rem; line-height: 1.7; }
.article .task-list-item::marker,
.article .task-list-item::before { content: none; }
.article .task-list-item input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 1.1em;
  height: 1.1em;
  margin-top: 0.3em;
  border: 1.5px solid var(--moss);
  border-radius: 4px;
  background: var(--paper);
  display: inline-grid;
  place-items: center;
  cursor: pointer;
  flex: 0 0 auto;
  vertical-align: -0.15em;
}
.article .task-list-item input[type="checkbox"]::after {
  content: "";
  width: 0.65em;
  height: 0.65em;
  border-radius: 2px;
  background: var(--moss-deep);
  transform: scale(0);
  transition: transform 120ms ease;
}
.article .task-list-item input[type="checkbox"]:checked { background: rgba(94, 123, 74, 0.18); }
.article .task-list-item input[type="checkbox"]:checked::after { transform: scale(1); }
.article .task-list-item.is-done > label,
.article .task-list-item:has(input:checked) > label {
  text-decoration: line-through;
  color: var(--muted-ink);
}

/* FAQ accordions */
.faq { display: grid; gap: 0.75rem; margin: 1rem 0 2rem; }
.faq-item {
  border: 1px solid var(--line);
  background: var(--foam);
  border-radius: var(--radius-md);
  padding: 0.4rem 1rem;
  transition: border-color 120ms ease, background 120ms ease;
}
.faq-item[open] { border-color: var(--leaf); background: var(--paper); }
.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--espresso);
  padding: 0.65rem 0.25rem;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before {
  content: "+";
  display: grid;
  place-items: center;
  width: 1.4em;
  height: 1.4em;
  border-radius: 50%;
  background: var(--moss-soft);
  color: var(--moss-deep);
  font-weight: 700;
  transition: transform 160ms ease;
}
.faq-item[open] summary::before { content: "−"; background: var(--leaf); color: var(--paper); }
.faq-body { padding: 0.25rem 0.25rem 0.85rem 1.9rem; color: var(--mocha); }

/* Codeblocks */
.codeblock {
  position: relative;
  margin: 1.25rem 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--foam);
  overflow: hidden;
}
.codeblock::before {
  content: attr(data-lang);
  position: absolute;
  top: 0.5rem;
  left: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mocha-soft);
}
.codeblock .copy-btn {
  position: absolute;
  top: 0.4rem;
  right: 0.45rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  color: var(--mocha);
  box-shadow: var(--shadow-sm);
  transition: background 120ms ease, color 120ms ease, transform 120ms ease;
}
.codeblock .copy-btn:hover { background: var(--latte); color: var(--espresso); }
.codeblock .copy-btn[data-copied] { background: var(--leaf); color: var(--paper); border-color: var(--moss-deep); }
.codeblock { margin: 1.75rem 0; }
.codeblock pre.code {
  margin: 0;
  padding: 2.25rem 1.25rem 1.35rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--espresso);
  background: transparent;
}
.codeblock pre.code code { font-family: inherit; background: transparent; padding: 0; color: inherit; }

/* Prism token colors tuned to the palette */
.token.comment, .token.prolog, .token.doctype, .token.cdata { color: #8a7860; font-style: italic; }
.token.punctuation { color: #6f4d33; }
.token.keyword, .token.tag, .token.selector, .token.important, .token.atrule, .token.rule { color: #b85c3b; font-weight: 600; }
.token.string, .token.attr-value, .token.char, .token.regex { color: #5e7b4a; }
.token.number, .token.boolean, .token.constant, .token.symbol { color: #8b5a2b; }
.token.function, .token.class-name { color: #3f5a30; font-weight: 600; }
.token.variable, .token.parameter, .token.property { color: #2b1d12; }
.token.operator, .token.entity, .token.url { color: #6f4d33; }
.token.builtin { color: #b85c3b; }

/* Mermaid block visual frame */
pre.mermaid {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--mocha);
  margin: 1.25rem 0;
}

/* Related pages sidebar */
.related {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: calc(var(--header-h) + 1rem);
  max-height: calc(100dvh - var(--header-h) - 2rem);
  overflow-y: auto;
}
.related h2 {
  margin: 0 0 0.6rem;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--moss-deep);
}
.related ul { list-style: none; padding: 0; margin: 0 0 1rem; display: grid; gap: 0.35rem; }
.related li { margin: 0; }
.related a {
  display: block;
  padding: 0.45rem 0.6rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--mocha);
  font-size: 0.92rem;
  transition: background 120ms ease, color 120ms ease;
}
.related a:hover { background: var(--foam); color: var(--terracotta); }
.related a[aria-current="page"] { background: rgba(94, 123, 74, 0.14); color: var(--moss-deep); font-weight: 600; }

@media (max-width: 80rem) {
  .related { position: static; max-height: none; }
}

/* Article footer nav */
.article-nav {
  display: grid;
  gap: 0.75rem;
  margin-top: 2rem;
  grid-template-columns: 1fr 1fr;
}
.article-nav a {
  display: block;
  padding: 0.9rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--paper);
  text-decoration: none;
  color: var(--mocha);
  box-shadow: var(--shadow-sm);
  transition: transform 140ms ease, border-color 140ms ease, color 140ms ease;
}
.article-nav a:hover { transform: translateY(-2px); border-color: var(--leaf); color: var(--moss-deep); }
.article-nav small { display: block; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--mocha-soft); }
.article-nav .next { text-align: right; }
@media (max-width: 36rem) {
  .article-nav { grid-template-columns: 1fr; }
  .article-nav .next { text-align: left; }
}