/* ═══════════════════════════════════════════════════════════════
   ASKARA BRAND HUB — Shared Stylesheet
   Design System 3.0 — Champagne Grain Brass
   ═══════════════════════════════════════════════════════════════ */

/* ── FONT FACES ──────────────────────────────────────────────── */
@font-face {
  font-family: 'Plus Jakarta Sans';
  src: url('/fonts/Plus_Jakarta_Sans/PlusJakartaSans-VariableFont_wght.ttf') format('truetype');
  font-weight: 300 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Plus Jakarta Sans';
  src: url('/fonts/Plus_Jakarta_Sans/PlusJakartaSans-Italic-VariableFont_wght.ttf') format('truetype');
  font-weight: 300 800;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('/fonts/IBM_Plex_Mono/IBMPlexMono-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('/fonts/IBM_Plex_Mono/IBMPlexMono-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

/* ── DESIGN TOKENS ───────────────────────────────────────────── */
:root {
  --navy:          #003049;
  --slate:         #4a5163;
  --green:         #3db54a;
  --green-hover:   #8dff35;
  --brass:         #c8a868;
  --brass-mid:  #906835;
  --brass-deep:    #7a6030;
  --brass-light:   #e8d0a0;
  --parchment-1:   #fdf7ed;
  --parchment-2:   #f5ead4;
  --parchment-3:   #e8d4ad;
  --stone:         #d4c9b0;
  --white:         #ffffff;

  /* Extended palette */
  --espresso:      #1a1814;
  --cream:         #faf8f5;
  --light-grey:    #d9d9d9;
  --destructive:   #ff6666;
  --mist:          #e8f2e9;

  /* UI-only tokens — not brand colours, used for functional UI elements */
  --ui-error-border:  #cc4444;
  --ui-placeholder:   #b4b4b4;

  /* Gradients */
  --grad-navy-depth: linear-gradient(135deg, var(--navy) 0%, #004a6e 40%, #1a5a6a 100%);
  --strip-brand:     linear-gradient(90deg, var(--brass-mid) 0%, var(--brass) 40%, var(--green) 100%);

  /* Fonts */
  --font-display: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-body:    'Plus Jakarta Sans', system-ui, sans-serif;
  --font-mono:    'IBM Plex Mono', monospace;

  /* ── TYPOGRAPHY: Role-based text on light surfaces ─────────── */
  --text-heading:    var(--navy);       /* h1–h3, branded headings */
  --text-body:       var(--espresso);   /* default body copy */
  --text-secondary:  var(--slate);      /* subtitles, descriptions, secondary body */
  --text-meta:       var(--slate);      /* captions, dims, small print */
  --text-label:      var(--brass-mid); /* eyebrows, section labels */

  /* ── TYPOGRAPHY: Role-based text on dark surfaces ──────────── */
  --text-heading-dark:   var(--white);
  --text-body-dark:      var(--cream);
  --text-secondary-dark: var(--light-grey);
  --text-label-dark:     rgba(200,168,104,0.75); /* brass-tinted subtitle */
  --text-cta-dark:       var(--green);
  --text-error-dark:     var(--destructive);
  --text-nav-dark:       rgba(255,255,255,0.7);

  /* ── TYPOGRAPHY: Role-based text on brass surfaces ─────────── */
  --text-heading-brass:  var(--navy);       /* 9.2:1 AAA on brass-light */
  --text-body-brass:     var(--espresso);   /* 11.8:1 AAA on brass-light */

  /* Letter spacing — Askara custom (override Tailwind defaults) */
  --ls-display:   -0.02em;   /* h1, h2 */
  --ls-heading:   -0.01em;   /* h3, h4, card headings */
  --ls-body:       0;        /* body copy */
  --ls-btn:        0.02em;   /* buttons */
  --ls-kpi:       -0.03em;   /* KPI numbers */
  --ls-nav:        0.04em;   /* nav links, quick-links */
  --ls-footer:     0.06em;   /* footer text */
  --ls-meta:       0.08em;   /* meta text, copyright */
  --ls-label-sm:   0.10em;   /* status pills, small labels */
  --ls-table-th:   0.12em;   /* table headers */
  --ls-label-md:   0.14em;   /* panel lede, token rows */
  --ls-label-lg:   0.15em;   /* eyebrow headings */
  --ls-label-xl:   0.18em;   /* section labels, page subtitle */
  --ls-label-2x:   0.22em;   /* section divider labels */

  /* Line height — Tailwind v4 defaults */
  --leading-none:    1;
  --leading-tight:   1.25;
  --leading-snug:    1.375;
  --leading-normal:  1.5;
  --leading-relaxed: 1.625;
  --leading-loose:   2;

  /* Line height — Askara custom */
  --leading-body:    1.65;   /* body default (between normal and relaxed) */
  --leading-callout: 1.7;    /* callouts, descriptions */
  --leading-prose:   1.75;   /* section intros, long-form */
}

/* ── RESET & BASE ────────────────────────────────────────────── */
html { font-size: 100%; }
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-body);
  background: var(--parchment-1);
  color: var(--text-body);
  min-height: 100vh;
  font-size: 1rem;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  line-height: var(--leading-body);
}

/* ── PAGE CHROME ─────────────────────────────────────────────── */
.page-header {
  background: var(--navy);
  padding: 32px 48px 28px;
  border-bottom: 4px solid transparent;
  border-image: var(--strip-brand) 1;
}
.page-header-inner { max-width: 960px; margin: 0 auto; display: flex; align-items: center; gap: 20px; }
.header-text { min-width: 0; }
.header-logo {
  display: block;
  flex-shrink: 0;
  position: relative;
  width: 130px;
}
.header-logo .logo-default {
  display: block;
  width: 100%;
  height: auto;
}
.header-logo .logo-highlight {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
}
.header-logo:hover .logo-highlight { opacity: 1; }
.page-title {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text-heading-dark);
  letter-spacing: var(--ls-display);
  margin-bottom: 4px;
}
.page-subtitle {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: var(--ls-label-xl);
  text-transform: uppercase;
  color: var(--text-label-dark);
}
.quick-links { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.quick-link {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: var(--ls-nav);
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 6px;
  border: 1.5px solid rgba(255,255,255,0.15);
  color: var(--text-nav-dark);
  transition: all 0.18s ease;
}
.quick-link:hover {
  color: white;
  border-color: var(--brass-light);
  background: rgba(255,255,255,0.06);
}

/* Quick-links on light backgrounds */
.page-toc .quick-link {
  color: var(--text-heading);
  border-color: var(--parchment-3);
  background: var(--white);
}
.page-toc .quick-link:hover {
  color: var(--text-heading);
  border-color: var(--brass);
  background: var(--parchment-2);
}

.page-body { max-width: 960px; margin: 0 auto; padding: 56px 48px 96px; }

/* ── SECTION ANATOMY ─────────────────────────────────────────── */
.section { margin-bottom: 56px; }
.section-label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: var(--ls-label-2x);
  text-transform: uppercase;
  color: var(--text-label);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--parchment-3) 0%, transparent 100%);
}
.section h2 {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text-heading);
  letter-spacing: var(--ls-display);
  margin-bottom: 10px;
}
.section h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-heading);
  letter-spacing: var(--ls-heading);
  margin-top: 32px;
  margin-bottom: 12px;
}
.section h3:first-of-type {
  margin-top: 0;
}
.section-intro {
  font-size: 0.875rem;
  line-height: var(--leading-prose);
  color: var(--text-secondary);
  max-width: 680px;
  margin-bottom: 28px;
}

/* ── DIMS TABLE ──────────────────────────────────────────────── */
.dims-table {
  width: 100%;
  max-width: 620px;
  border-collapse: collapse;
  font-size: 0.8125rem;
  margin-bottom: 28px;
}
.dims-table th, .dims-table td {
  text-align: left;
  padding: 10px 16px;
  border-bottom: 1px solid var(--parchment-3);
}
.dims-table th {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: var(--ls-table-th);
  text-transform: uppercase;
  color: var(--text-label);
  background: var(--parchment-2);
}
.dims-table td { color: var(--text-secondary); }
.dims-table td:first-child { color: var(--text-heading); font-weight: 600; }
.dims-table code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: var(--parchment-2);
  padding: 2px 6px;
  border-radius: 3px;
}

/* ── BUTTONS ─────────────────────────────────────────────────── */
.btn {
  padding: 6px 14px;
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: background 0.18s ease, box-shadow 0.25s ease;
  text-decoration: none;
  display: inline-block;
}
.btn-download {
  background: transparent;
  color: var(--green);
  border: 1.5px solid var(--green);
}
.btn-download:hover {
  background: var(--green);
  color: var(--text-heading);
}
.btn-outline {
  background: transparent;
  color: var(--text-heading);
  border: 1.5px solid var(--navy);
  padding: 8px 18px;
  font-size: 0.8125rem;
}
.btn-outline:hover {
  background: var(--navy);
  color: var(--white);
}

/* ── CALLOUT ─────────────────────────────────────────────────── */
.callout {
  background: var(--parchment-2);
  border: 1px solid var(--parchment-3);
  border-left: 4px solid var(--brass);
  border-radius: 8px;
  padding: 18px 22px;
  margin-bottom: 20px;
}
.callout.alert {
  border-left-color: var(--ui-error-border);
}
.callout-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--text-heading);
  margin-bottom: 6px;
}
.callout p {
  font-size: 0.8125rem;
  line-height: var(--leading-callout);
  color: var(--text-secondary);
}
.callout strong { color: var(--text-heading); }
.phosphor-swatch {
  display: inline-block;
  width: 12px;
  height: 12px;
  background: var(--green-hover);
  border-radius: 3px;
  vertical-align: middle;
  margin-right: 4px;
  border: 1px solid rgba(0,0,0,0.1);
}

/* ── INFO CARDS ──────────────────────────────────────────────── */
.info-card {
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 8px;
  background: var(--white);
  padding: 20px;
}
.info-card .logo-name { font-size: 0.75rem; margin-bottom: 6px; }
.info-card p { font-size: 0.8125rem; color: var(--text-secondary); margin-bottom: 12px; line-height: var(--leading-relaxed); }

/* ── FOOTER ──────────────────────────────────────────────────── */
.page-footer {
  background: var(--navy);
  padding: 28px 48px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: var(--ls-footer);
  color: var(--text-secondary-dark);
}
.page-footer-inner { max-width: 960px; margin: 0 auto; }
.page-footer nav { margin-bottom: 10px; }
.page-footer a { color: var(--text-secondary-dark); text-decoration: none; transition: color 0.18s ease; }
.page-footer a:hover { color: var(--white); }
.page-footer p { color: var(--stone); font-size: 0.625rem; letter-spacing: var(--ls-meta); }

/* ── IN-PAGE TOC ─────────────────────────────────────────────── */
.page-toc {
  max-width: 960px;
  margin: 0 auto;
  padding: 20px 48px 0;
}
.page-toc-label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: var(--ls-label-md);
  text-transform: uppercase;
  color: var(--brass-mid);
  margin-bottom: 10px;
}

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 640px) {
  .page-header { padding: 28px 20px 24px; }
  .page-header-inner { gap: 14px; }
  .header-logo { width: 80px; }
  .page-body { padding: 36px 20px 64px; }
  .page-toc { padding: 16px 20px 0; }
  .page-footer { padding: 20px 20px; }
}

/* ── LOGOS PAGE ─────────────────────────────────────────── */

/* ── INDEX: Page-specific ────────────────────────────────────── */
.page-logos .section { margin-bottom: 72px; }

/* ── INDEX: Logo Grid ────────────────────────────────────────── */
.page-logos .logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 16px;
}
.page-logos .logo-card {
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 8px;
  overflow: hidden;
  background: var(--white);
  transition: box-shadow 0.25s ease;
}
.page-logos .logo-card:hover {
  box-shadow: 0 4px 16px rgba(0, 48, 73, 0.08);
}
.page-logos .logo-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 140px;
  padding: 20px;
}
.logo-preview.dark-bg { background: var(--grad-navy-depth); }
.logo-preview.light-bg { background: var(--parchment-1); }
.logo-preview.white-bg { background: var(--white); border-bottom: 1px solid rgba(0,0,0,0.06); }
.logo-preview.parchment-bg { background: var(--parchment-2); }
.logo-preview img { max-width: 100%; max-height: 100%; object-fit: contain; }
.page-logos .logo-meta {
  padding: 12px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(0,0,0,0.05);
}
.page-logos .logo-name {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 500;
  color: var(--text-heading);
  letter-spacing: var(--ls-btn);
}
.page-logos .logo-dims {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  color: var(--text-meta);
  opacity: 0.6;
}

/* ── INDEX: Placeholder ──────────────────────────────────────── */
.page-logos .placeholder {
  background: var(--parchment-2);
  border: 2px dashed var(--parchment-3);
  border-radius: 8px;
  padding: 36px;
  text-align: center;
}
.placeholder p { font-size: 0.875rem; color: var(--text-secondary); }
.page-logos .placeholder .issue-ref {
  display: inline-block; margin-top: 10px;
  font-family: var(--font-mono); font-size: 0.625rem;
  font-weight: 500; letter-spacing: var(--ls-meta); color: var(--text-label);
}

/* ── INDEX: Expandable Logo Sections ─────────────────────────── */
.page-logos .logo-section-preview {
  display: flex; align-items: center; justify-content: flex-start;
  height: 100px; padding: 16px;
  background: var(--parchment-1);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 8px 8px 0 0;
}
.logo-section-preview img { max-width: 100%; max-height: 100%; object-fit: contain; }
.page-logos .logo-details {
  border: 1px solid rgba(0,0,0,0.08);
  border-top: none;
  border-radius: 0 0 8px 8px;
}
.page-logos .logo-details summary {
  font-family: var(--font-mono); font-size: 0.875rem; font-weight: 600;
  letter-spacing: var(--ls-nav); color: var(--text-heading);
  padding: 12px 16px; cursor: pointer; list-style: none;
  display: flex; align-items: center; gap: 8px;
  background: var(--parchment-2);
  border-top: 1px solid rgba(0,0,0,0.05);
  transition: background 0.18s ease;
}
.logo-details summary:hover { background: var(--parchment-3); }
.logo-details summary::-webkit-details-marker { display: none; }
.page-logos .logo-details summary::before {
  content: '\25B6'; font-size: 0.5rem; color: var(--brass-mid);
  transition: transform 0.2s ease; display: inline-block;
}
.logo-details[open] summary::before { transform: rotate(90deg); }
.page-logos .logo-details-body {
  padding: 16px; background: var(--white);
  border-radius: 0 0 8px 8px;
}

/* ── INDEX: SVG Button ───────────────────────────────────────── */
.page-logos .btn-svg {
  background: transparent;
  color: var(--brass-mid);
  border: 1.5px solid var(--brass-mid);
}
.btn-svg:hover { background: var(--brass-mid); color: var(--white); }
.btn-svg.disabled { opacity: 0.4; cursor: default; pointer-events: none; }

/* ── INDEX: PNG Toggle ───────────────────────────────────────── */
.page-logos .png-toggle {
  display: flex; align-items: center; gap: 6px;
  padding: 12px 16px 16px; background: var(--white);
}
.page-logos .png-toggle-label {
  font-family: var(--font-mono); font-size: 0.6875rem;
  font-weight: 500; letter-spacing: var(--ls-footer);
  color: var(--slate); margin-right: 8px;
}
.page-logos .png-toggle-btn {
  font-family: var(--font-mono); font-size: 0.75rem;
  font-weight: 600; letter-spacing: var(--ls-nav);
  padding: 8px 18px; border-radius: 6px;
  border: 1.5px solid var(--parchment-3);
  background: transparent; color: var(--slate);
  cursor: pointer; transition: all 0.18s ease;
}
.page-logos .png-toggle-btn.active {
  background: var(--green); color: var(--navy); border-color: var(--green);
}
.png-toggle-btn:hover:not(.active) { border-color: var(--brass); }

/* ── INDEX: Responsive ───────────────────────────────────────── */
@media (max-width: 640px) {
  .page-logos .logo-grid { grid-template-columns: 1fr; }
}

/* ── COLOURS PAGE ─────────────────────────────────────────── */

/* ── COLOURS: Grid ───────────────────────────────────────────── */
.page-colours .colour-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
}
.page-colours .colour-card {
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 8px;
  overflow: hidden;
  background: var(--white);
  cursor: pointer;
  transition: box-shadow 0.25s ease;
}
.colour-card:hover { box-shadow: 0 4px 16px rgba(0, 48, 73, 0.08); }
.page-colours .colour-swatch {
  height: 80px;
  display: flex;
  align-items: flex-end;
  padding: 8px 10px;
}
.page-colours .colour-swatch-label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: var(--ls-btn);
  padding: 2px 6px;
  border-radius: 3px;
  background: rgba(255,255,255,0.85);
  color: var(--navy);
}
.colour-swatch.on-light .colour-swatch-label { background: rgba(0,0,0,0.06); }
.page-colours .colour-meta {
  padding: 10px 12px;
  border-top: 1px solid rgba(0,0,0,0.05);
}
.page-colours .colour-name {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--text-heading);
  margin-bottom: 2px;
}
.page-colours .colour-role {
  font-size: 0.6875rem;
  color: var(--text-meta);
  opacity: 0.7;
  line-height: var(--leading-snug);
}
.page-colours .copy-feedback {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--green);
  opacity: 0;
  transition: opacity 0.2s ease;
  margin-left: 4px;
}
.copy-feedback.show { opacity: 1; }

/* ── COLOURS: Responsive ─────────────────────────────────────── */
@media (max-width: 640px) {
  .colour-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
}

/* ── TYPOGRAPHY PAGE ─────────────────────────────────────────── */

/* ── TYPOGRAPHY: Font Cards ──────────────────────────────────── */
.page-typography .font-card {
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 8px;
  background: var(--white);
  overflow: hidden;
  margin-bottom: 16px;
}
.page-typography .font-card-header {
  padding: 24px 28px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
}
.page-typography .font-card-name {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-heading);
  letter-spacing: var(--ls-display);
}
.page-typography .font-card-name.mono {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: var(--ls-body);
}
.page-typography .font-card-meta {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: var(--ls-meta);
  color: var(--brass-mid);
}
.font-card-meta a { color: var(--green); text-decoration: none; }
.font-card-meta a:hover { text-decoration: underline; }
.page-typography .font-card-weights {
  padding: 16px 28px 20px;
  border-top: 1px solid rgba(0,0,0,0.05);
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.weight-sample { display: flex; flex-direction: column; gap: 2px; }
.weight-sample .sample-text { font-size: 1.25rem; color: var(--text-heading); }
.page-typography .weight-sample .sample-label {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: var(--ls-meta);
  color: var(--text-meta);
  opacity: 0.6;
}

/* ── TYPOGRAPHY: Type Scale Specimens ────────────────────────── */
.page-typography .type-specimen {
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 8px;
  background: var(--white);
  overflow: hidden;
  margin-bottom: 12px;
}
.page-typography .type-specimen-inner {
  display: flex;
  align-items: baseline;
  gap: 20px;
  padding: 20px 28px;
}
.page-typography .type-specimen-text {
  flex: 1;
  color: var(--text-heading);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.page-typography .type-specimen-meta {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: var(--ls-footer);
  color: var(--brass-mid);
  white-space: nowrap;
  text-align: right;
  min-width: 140px;
}

/* ── TYPOGRAPHY: Colour Specimen Rows ────────────────────────── */
.page-typography .colour-specimen-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-bottom: 12px;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 8px;
  overflow: hidden;
}
.colour-specimen { overflow: hidden; }
.colour-specimen:first-child { border-right: 1px solid rgba(0,0,0,0.06); }
.page-typography .colour-specimen-inner {
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 88px;
  justify-content: center;
}
.page-typography .colour-specimen-text {
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: var(--ls-display);
}
.page-typography .colour-specimen-meta {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: var(--ls-nav);
  opacity: 0.7;
}
.page-typography .colour-specimen-row-label {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: var(--ls-meta);
  text-transform: uppercase;
  color: var(--brass-mid);
  margin-bottom: 4px;
  margin-top: 20px;
}
.colour-specimen-row-label:first-child { margin-top: 0; }

/* ── TYPOGRAPHY: Contrast Swatch ─────────────────────────────── */
.page-typography .contrast-swatch {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: var(--ls-btn);
  line-height: var(--leading-snug);
  vertical-align: middle;
  border: 1px solid rgba(0,0,0,0.08);
}

/* ── TYPOGRAPHY: WCAG Levels ─────────────────────────────────── */
.level-aaa { color: var(--navy); font-weight: 700; }
.level-aa { color: var(--brass-deep); font-weight: 600; }
.level-aa-large { color: var(--slate); font-weight: 600; }
.page-typography .level-fail {
  color: var(--navy); font-weight: 600;
  background: var(--destructive); padding: 2px 6px;
  border-radius: 3px; font-size: 0.6875rem;
}

/* ── TYPOGRAPHY: Responsive ──────────────────────────────────── */
@media (max-width: 640px) {
  .font-card-header { padding: 16px 20px; }
  .font-card-weights { padding: 12px 20px 16px; }
  .type-specimen-inner { padding: 16px 20px; flex-direction: column; gap: 4px; }
  .type-specimen-meta { text-align: left; }
  .colour-specimen-inner { padding: 16px 20px; }
  .colour-specimen-row { grid-template-columns: 1fr; }
  .colour-specimen:first-child { border-right: none; border-bottom: 1px solid rgba(0,0,0,0.06); }
}

/* ── USAGE GUIDE PAGE ─────────────────────────────────────────── */

/* ── USAGE: Code ─────────────────────────────────────────────── */
.page-usage-guide code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: var(--parchment-2);
  padding: 2px 6px;
  border-radius: 3px;
}
.page-usage-guide .naming-block {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 8px;
  padding: 20px 24px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--navy);
  line-height: var(--leading-loose);
  margin-bottom: 12px;
}
.naming-block .muted { color: var(--slate); opacity: 0.6; }

/* ── USAGE: Lists ────────────────────────────────────────────── */
.page-usage-guide .usage-list {
  list-style: none;
  margin-bottom: 20px;
}
.page-usage-guide .usage-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 6px;
  font-size: 0.8125rem;
  line-height: var(--leading-callout);
}
.page-usage-guide .usage-list li::before {
  content: '\2717';
  position: absolute;
  left: 0;
  color: var(--ui-error-border);
  font-weight: 700;
}

/* ── EMAIL SIGNATURE PAGE ─────────────────────────────────────────── */

.page-email-signature .container { max-width: 960px; margin: 0 auto; padding: 40px 48px 80px; }

/* Form */
.form-section { margin-bottom: 36px; }
.page-email-signature .form-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.form-group { display: flex; flex-direction: column; }
.page-email-signature .form-label {
  font-family: var(--font-mono); font-size: 0.625rem; font-weight: 500;
  letter-spacing: var(--ls-table-th); text-transform: uppercase;
  color: var(--brass-mid); margin-bottom: 6px;
}
.page-email-signature .form-input {
  font-family: var(--font-display); font-size: 0.875rem;
  padding: 10px 14px; border: 1px solid var(--parchment-3);
  border-radius: 6px; background: var(--white); color: var(--navy);
  outline: none; transition: border-color 0.18s ease;
}
.form-input:focus { border-color: var(--brass); }
.form-input::placeholder { color: var(--ui-placeholder); }

/* Preview */
.preview-section { margin-bottom: 24px; }
.page-email-signature .section-label {
  font-family: var(--font-mono); font-size: 0.625rem; font-weight: 500;
  letter-spacing: var(--ls-label-2x); text-transform: uppercase;
  color: var(--brass-mid); margin-bottom: 12px;
  display: flex; align-items: center; gap: 10px;
}
.page-email-signature .section-label::after {
  content: ''; flex: 1; height: 1px;
  background: linear-gradient(90deg, var(--parchment-3) 0%, transparent 100%);
}
.page-email-signature .preview-card {
  background: var(--white); border: 1px solid rgba(0,0,0,0.08);
  border-radius: 8px; padding: 28px 32px;
}

/* Buttons */
.btn-row { display: flex; gap: 12px; align-items: center; }
.page-email-signature .btn {
  font-family: var(--font-display); font-size: 0.8125rem; font-weight: 600;
  padding: 10px 20px; border-radius: 6px; border: none; cursor: pointer;
  transition: all 0.18s ease; text-decoration: none;
}
.page-email-signature .btn-primary {
  background: var(--green); color: var(--navy);
}
.btn-primary:hover { background: var(--green-hover); }
.page-email-signature .copy-feedback {
  font-family: var(--font-mono); font-size: 0.6875rem;
  color: var(--green); opacity: 0; transition: opacity 0.3s ease;
}
.copy-feedback.show { opacity: 1; }

/* Instructions twistie */
.page-email-signature .instructions {
  margin-top: 32px;
  border: 1px solid var(--parchment-3);
  border-radius: 8px;
  background: var(--white);
}
.page-email-signature .instructions-toggle {
  font-family: var(--font-mono); font-size: 0.6875rem; font-weight: 500;
  letter-spacing: var(--ls-meta); text-transform: uppercase;
  color: var(--brass-mid); padding: 14px 20px;
  cursor: pointer !important; list-style: none;
  display: flex; align-items: center; gap: 8px;
}
.instructions-toggle::-webkit-details-marker { display: none; }
.page-email-signature .instructions-toggle::before {
  content: '\25B6'; font-size: 0.5rem; color: var(--brass-mid);
  transition: transform 0.2s ease; display: inline-block;
}
.page-email-signature .instructions[open] > .instructions-toggle::before {
  transform: rotate(90deg);
}
.page-email-signature .instructions-body {
  padding: 0 20px 20px;
  font-size: 0.8125rem; line-height: var(--leading-callout); color: var(--slate);
}
.page-email-signature .instructions-body h3 {
  font-family: var(--font-display); font-size: 0.875rem; font-weight: 600;
  color: var(--navy); margin: 20px 0 8px;
}
.instructions-body h3:first-child { margin-top: 0; }
.page-email-signature .instructions-body ol {
  margin: 0 0 12px 20px; padding: 0;
}
.instructions-body li { margin-bottom: 4px; }
.instructions-body p { margin: 0 0 8px; }
.instructions-body strong { color: var(--navy); }
.instructions-body a { color: var(--green); }
.page-email-signature .sub-instructions {
  border-top: 1px solid var(--parchment-3);
  margin: 0; padding: 4px 0;
}
.page-email-signature .sub-toggle {
  font-family: var(--font-display); font-size: 0.8125rem; font-weight: 600;
  color: var(--navy); padding: 10px 0;
  cursor: pointer !important; list-style: none;
  display: flex; align-items: center; gap: 8px;
}
.sub-toggle::-webkit-details-marker { display: none; }
.page-email-signature .sub-toggle::before {
  content: '\25B6'; font-size: 0.4375rem; color: var(--brass);
  transition: transform 0.2s ease; display: inline-block;
}
.page-email-signature .sub-instructions[open] > .sub-toggle::before {
  transform: rotate(90deg);
}
.sub-body { padding: 0 0 12px 15px; }

@media (max-width: 640px) {
  .page-email-signature .page-header { padding: 24px 20px 20px; }
  .page-email-signature .container { padding: 28px 20px 64px; }
  .page-email-signature .form-grid { grid-template-columns: 1fr; }
}