/* Synona homepage styles: the shared site base (typography + shared) followed by the Synona brand layer. */
@font-face{font-family:"Archivo Variable";font-style:normal;font-display:swap;font-weight:100 900;font-stretch:62% 125%;src:url(fonts/archivo-latin-wdth-normal.woff2) format("woff2-variations")}
@font-face{font-family:"Source Serif 4 Variable";font-style:normal;font-display:swap;font-weight:200 900;src:url(fonts/source-serif-4-latin-wght-normal.woff2) format("woff2-variations")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-display:swap;font-weight:400;src:url(fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-display:swap;font-weight:500;src:url(fonts/ibm-plex-mono-latin-500-normal.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-display:swap;font-weight:600;src:url(fonts/ibm-plex-mono-latin-600-normal.woff2) format("woff2")}
/*
 * Public brand typography. Reset-free: safe for standalone editorial layouts.
 * Variable sources: ui/e2e/fixtures/fonts (google/fonts, SIL OFL 1.1).
 * Axis ranges are preserved in the shared WOFF2 assets; licenses live in /fonts/.
 */
/* Prefer smaller Latin faces. Other scripts keep the complete faces above.
 * Regenerate with website/tools/subset-public-fonts.py, which reads these ranges.
 */
:root {
  --radius-xs: 2px;
  --radius-full: 9999px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
  --article-body-size: 18px;
  --article-body-leading: 1.8;
  --article-title-size: clamp(32px, 5vw, 50px);
  --article-section-size: clamp(24px, 3vw, 32px);
  --article-subsection-size: clamp(20px, 2.5vw, 24px);
}
body { font-family: var(--font-sans); }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-mono); }

/* Explicit roles keep dense figures, demos and cards out of the reading scale. */
body[data-brand-page="article"] {
  font-family: var(--font-sans);
  font-size: var(--article-body-size);
  line-height: var(--article-body-leading);
}
body[data-brand-page="article"] [data-brand-heading="title"] {
  font-family: var(--font-mono);
  font-size: var(--article-title-size);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.03em;
}
body[data-brand-page="article"] [data-brand-heading="section"] {
  font-family: var(--font-mono);
  font-size: var(--article-section-size);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
}
body[data-brand-page="article"] [data-brand-heading="subsection"] {
  font-family: var(--font-mono);
  font-size: var(--article-subsection-size);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.02em;
}
html body [data-brand-heading="card"],
body[data-brand-page="article"] [data-brand-heading="card"] {
  font-family: var(--font-sans);
  font-weight: 600;
  line-height: 1.4;
}
body[data-brand-page="article"] [data-brand-heading="label"] {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.6;
}
body[data-brand-page="article"] :is(.byline, .article-published, .article-meta, .meta) {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
}
body[data-brand-page="article"] :is(.eyebrow, .article-eyebrow) {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.6;
}
body[data-brand-page="article"] :is(.brand, .logo) { font-family: var(--font-mono); }
body[data-brand-page="article"] :is(.site-head, .site-nav, .header, footer) {
  font-family: var(--font-sans);
}
@media (max-width: 600px) {
  body[data-brand-page="article"] { --article-body-size: 16px; }
}
@media print {
  body[data-brand-page="article"] { font-size: 11pt; }
}

/* ================================================================
   Synona — Marketing Site Shared Stylesheet
   Brand Design System — Light Theme Only
   ================================================================ */

/* ---- Reset ---- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; color-scheme: light; }

/* ---- Foundation Tokens ---- */
:root {
  /* Primary (Indigo) */
  --primary-50: #eef2ff;
  --primary-100: #e0e7ff;
  --primary-200: #c7d2fe;
  --primary-300: #a5b4fc;
  --primary-400: #818cf8;
  --primary-500: #4c6ef5;
  --primary-600: #4338ca;
  --primary-700: #3730a3;
  --primary-800: #3730a3; /* 800–900 aligned to ui/src/styles/tokens.css (was #312e81/#2e2a72) */
  --primary-900: #312e81;
  --primary-950: #1e1b4b;

  /* Amber */
  --amber-50: #fffbeb;
  --amber-100: #fef3c7;
  --amber-200: #fde68a;
  --amber-300: #fcd34d;
  --amber-400: #fbbf24;
  --amber-500: #f59e0b;
  --amber-600: #d97706;
  --amber-700: #b45309;

  /* Neutrals */
  --neutral-50: #fafafa;
  --neutral-100: #f4f4f5;
  --neutral-200: #e4e4e7;
  --neutral-300: #d4d4d8;
  --neutral-400: #a1a1aa;
  --neutral-500: #71717a;
  --neutral-600: #52525b;
  --neutral-700: #3f3f46;
  --neutral-800: #27272a;
  --neutral-900: #18181b;
  --neutral-950: #09090b;

  /* Teal (Knowledge Graph pillar) */
  --teal-50: #f0fdfa;
  --teal-100: #ccfbf1;
  --teal-200: #99f6e4;
  --teal-300: #5eead4;
  --teal-400: #2dd4bf;
  --teal-500: #14b8a6;
  --teal-600: #0d9488;
  --teal-700: #0f766e;
  --teal-800: #115e59;
  --teal-950: #042f2e;

  /* Purple (Skills Governance pillar) */
  --purple-500: #8b5cf6;
  --purple-600: #7c3aed;
  --purple-700: #6d28d9;

  /* Semantic */
  --green-600: #16a34a;
  --green-500: #22c55e;
  --red-600: #dc2626;

  /* Pillar accent colors — canonical order: Skills → Execution → Observability → Knowledge */
  --pillar-skills: var(--purple-600);          /* #7c3aed */
  --pillar-execution: var(--amber-600);        /* #d97706 */
  --pillar-observability: var(--primary-500);  /* #4c6ef5 — matches SVG hardcodes; --primary-600 drifts darker */
  --pillar-knowledge: var(--teal-600);         /* #0d9488 */
  /* Deprecated aliases — prefer the canonical names above */
  --pillar-kg: var(--pillar-knowledge);
  --pillar-backlog: var(--primary-600);

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #1e1b4b, #4c6ef5, #818cf8);
  --gradient-accent: linear-gradient(135deg, #4c6ef5, #7c3aed);

  /* Font families are owned by typography.css. */

  /* Spacing */
  --space-1: 4px; --space-2: 8px; --space-3: 12px; --space-4: 16px;
  --space-5: 20px; --space-6: 24px; --space-8: 32px; --space-10: 40px;
  --space-12: 48px; --space-16: 64px; --space-20: 80px; --space-24: 96px;

  /* Sharp public surfaces; named sizes remain aliases for legacy templates. */
  --radius-xs: 2px;
  --radius-sm: var(--radius-xs);
  --radius-md: var(--radius-xs);
  --radius-lg: var(--radius-xs);
  --radius-xl: var(--radius-xs);
  --radius-2xl: var(--radius-xs);
  --radius-full: 9999px;

  /* Shadows (light mode) */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.06);

  /* Light Theme Semantic */
  --bg-page: var(--neutral-50);
  --bg-surface: #ffffff;
  --bg-muted: var(--neutral-100);
  --text-primary: var(--neutral-900);
  --text-secondary: var(--neutral-600);
  --text-muted: var(--neutral-500);
  --border-default: var(--neutral-200);
  --border-subtle: var(--neutral-100);
}

/* ---- Base ---- */
body {
  font-family: var(--font-sans);
  background: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { color: var(--primary-600); text-decoration: none; }
a:hover { color: var(--primary-500); }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--text-primary);
}

/* ---- Container ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--space-6); }
.container--narrow { max-width: 720px; }
.container--wide { max-width: 1000px; }

/* ---- Section ---- */
.section { padding: var(--space-20) 0; }
.section--muted { background: var(--bg-muted); }
.section--white { background: var(--bg-surface); }
.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary-600);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-2);
}
.section-title {
  font-size: 2.5rem;
  margin-bottom: var(--space-4);
}
.section-subtitle {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.7;
}

/* ---- Sticky Navigation ---- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-default);
}
.site-nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.site-nav__logo {
  color: inherit;
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-text {
  color: inherit;
}

.site-nav__icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.site-nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}
.site-nav__links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: var(--space-3) var(--space-3); /* ≥44px tap target (WCAG 2.5.5) */
  border-radius: var(--radius-xs);
  transition: color 0.15s, background 0.15s;
  text-decoration: none;
}
.site-nav__links a:hover,
.site-nav__links a.active {
  color: var(--primary-600);
  background: var(--primary-50);
}
.site-nav__links a.site-nav__social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  line-height: 1;
  color: var(--primary-600);
  padding: 10px;
  border-radius: 50%;
  transition: color 0.15s, background 0.15s;
}
.site-nav__links a.site-nav__social-link:hover {
  color: var(--primary-700);
  background: var(--primary-50);
}
.site-nav__social-link svg {
  flex-shrink: 0;
}
.site-nav__social-label {
  display: none;
}

.site-nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Mobile nav toggle */
.site-nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  color: var(--text-primary);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-xs);
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
  line-height: 1.4;
}
.btn--primary {
  background: var(--primary-600);
  color: white;
}
.btn--primary:hover {
  background: var(--primary-500);
  color: white;
}
.btn--secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-default);
}
.btn--secondary:hover {
  background: var(--neutral-100);
  border-color: var(--neutral-300);
  color: var(--text-primary);
}
.btn--ghost {
  background: transparent;
  color: var(--text-secondary);
}
.btn--ghost:hover {
  background: var(--neutral-100);
  color: var(--text-primary);
}
.btn--large {
  padding: var(--space-4) var(--space-8);
  font-size: 1rem;
}
.btn--inverse {
  background: white;
  color: var(--primary-700);
}
.btn--inverse:hover {
  background: var(--primary-50);
  color: var(--primary-700);
}
/* Secondary action on a dark/gradient background — outline, not translucent fill */
.btn--inverse-outline {
  background: transparent;
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.45);
}
.btn--inverse-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.75);
  color: white;
}

/* ---- Badge ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}
.badge--primary { background: rgba(76,110,245,0.12); color: var(--primary-600); }
.badge--success { background: rgba(22,163,74,0.1); color: var(--green-600); }
.badge--warning { background: rgba(217,119,6,0.1); color: var(--amber-600); }
.badge--neutral { background: var(--neutral-200); color: var(--neutral-700); }
.badge--amber { background: rgba(245,158,11,0.12); color: var(--amber-700); }

/* ---- Cards ---- */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xs);
  padding: var(--space-8);
  transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover {
  box-shadow: var(--shadow-lg);
}
.card--highlighted {
  border-color: var(--primary-300);
  box-shadow: 0 0 0 1px var(--primary-200);
}

/* ---- Code Block ---- */
.code-block {
  background: var(--neutral-950);
  color: var(--neutral-300);
  border-radius: var(--radius-xs);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.7;
  overflow-x: auto;
  border: 1px solid var(--neutral-800);
}
.code-block__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--neutral-800);
  background: var(--neutral-900);
  font-size: 0.75rem;
  color: var(--neutral-500);
}
.code-block__body { padding: var(--space-4) var(--space-5); }
/* Preserve authored line breaks for multi-line code (flush-left content); long lines scroll horizontally. */
.code-block__body--pre { white-space: pre; overflow-x: auto; }
.code-block__body--pre:focus-visible {
  outline: 2px solid var(--primary-400);
  outline-offset: -2px;
}
.code-block .prompt { color: var(--primary-400); }
.code-block .comment { color: var(--neutral-600); }

.copy-btn {
  background: var(--neutral-800);
  border: 1px solid var(--neutral-700);
  color: var(--neutral-400);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all 0.15s;
}
.copy-btn:hover { background: var(--neutral-700); color: var(--neutral-200); }

/* ---- Footer ---- */
.site-footer {
  background: var(--neutral-900);
  color: var(--neutral-400);
  padding: var(--space-16) 0 var(--space-8);
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}
.site-footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.site-footer__logo {
  color: var(--neutral-50);
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: 12px;
}
.site-footer__tagline {
  font-size: 0.875rem;
  color: var(--neutral-400);
  line-height: 1.6;
  max-width: 280px;
}
.site-footer__social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-2);
}
.site-footer__social a {
  color: var(--neutral-500);
  transition: color 0.15s;
}
.site-footer__social a:hover { color: var(--primary-400); }

.site-footer__col h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--neutral-300);
  margin-bottom: var(--space-4);
}
.site-footer__col .footer-heading {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--neutral-300);
  margin-bottom: var(--space-4);
}
.site-footer__col ul { list-style: none; }
.site-footer__col li { margin-bottom: var(--space-2); }
.site-footer__col a {
  font-size: 0.875rem;
  color: var(--neutral-400);
  text-decoration: none;
  transition: color 0.15s;
}
.site-footer__col a:hover { color: var(--neutral-200); }

.site-footer__bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-8) var(--space-6) 0;
  margin-top: var(--space-12);
  border-top: 1px solid var(--neutral-800);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--neutral-400);
}
.site-footer__bottom-links {
  display: flex;
  gap: var(--space-4);
}
.site-footer__bottom-links a {
  color: var(--neutral-400);
  text-decoration: none;
  transition: color 0.15s;
}
.site-footer__bottom-links a:hover { color: var(--neutral-200); }

/* ---- Shared product screenshot figure ---- */
.product-shot {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xs);
  background: var(--bg-surface);
  box-shadow: var(--shadow-sm);
}
.product-shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-bottom: 1px solid var(--border-default);
  background: var(--neutral-100);
}
.product-shot figcaption {
  padding: var(--space-3) var(--space-4);
  color: var(--text-muted);
  font-size: 0.8125rem;
}

/* ---- Cookie Banner ---- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-default);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
  padding: var(--space-5) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}
.cookie-banner__text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  flex: 1;
}
.cookie-banner__text a {
  color: var(--primary-600);
  text-decoration: underline;
}
.cookie-banner__actions {
  display: flex;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* Cookie Preferences Modal */
.cookie-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0,0,0,0.25);
  align-items: center;
  justify-content: center;
}
.cookie-modal-overlay.active { display: flex; }
.cookie-modal {
  background: var(--bg-surface);
  border-radius: var(--radius-xs);
  box-shadow: var(--shadow-xl);
  max-width: 520px;
  width: 90%;
  padding: var(--space-8);
}
.cookie-modal h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-4);
}
.cookie-modal__category {
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.cookie-modal__category:last-of-type { border-bottom: none; }
.cookie-modal__cat-info h4 {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-1);
}
.cookie-modal__cat-info p {
  font-size: 0.75rem;
  color: var(--text-secondary);
}
.cookie-modal__actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

/* Toggle switch */
.toggle {
  position: relative;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle__slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--neutral-300);
  border-radius: var(--radius-full);
  transition: background 0.2s;
}
.toggle__slider::before {
  content: '';
  position: absolute;
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background: white;
  border-radius: 50%;
  transition: transform 0.2s;
}
.toggle input:checked + .toggle__slider { background: var(--primary-600); }
.toggle input:checked + .toggle__slider::before { transform: translateX(20px); }
.toggle input:disabled + .toggle__slider { opacity: 0.5; cursor: not-allowed; }

/* ---- Utility Classes ---- */
.text-center { text-align: center; }
.text-mono { font-family: var(--font-mono); }
.text-muted { color: var(--text-muted); }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mx-auto { margin-left: auto; margin-right: auto; }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

/* ---- Article Grid (Shared from blog/index.html) ---- */
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.article-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xs);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.2s, transform 0.2s;
}
.article-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  color: inherit;
}
.article-card[data-hidden="true"] {
  display: none;
}
.article-card__badge { margin-bottom: var(--space-3); }
.article-card__title {
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.35;
  margin-bottom: var(--space-3);
}
.article-card__excerpt {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-5);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}
.article-card__meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}
.article-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.article-card__avatar {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.article-card__avatar span {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  font-weight: 700;
  color: white;
}

/* ---- Editorial Chart System ---- */
:root {
  --chart-recall: var(--purple-500);
  --chart-f2: var(--neutral-400);
  --chart-cloud: var(--amber-500);
  --chart-grid: var(--neutral-200);
  --chart-axis: var(--neutral-300);
  --chart-text: var(--neutral-600);
  --chart-muted: var(--neutral-500);
  --chart-title: var(--neutral-900);
  --chart-surface: #ffffff;
}
.article-chart-hero {
  margin: var(--space-10) 0 0;
  border-top: 1px solid var(--border-default);
  border-bottom: 1px solid var(--border-default);
  background: var(--bg-surface);
}
.article-chart-hero--inline {
  margin-bottom: var(--space-12);
}
.article-chart-hero__inner {
  display: block;
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-8);
}
.article-chart-hero__inner > div:first-child {
  max-width: 900px;
}
.article-chart-hero__eyebrow {
  margin-bottom: var(--space-3);
  color: var(--primary-500);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.article-chart-hero__title {
  margin: 0 0 var(--space-3);
  color: var(--chart-title);
  font-family: var(--font-mono);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 800;
  line-height: 1.05;
}
.article-chart-hero__dek {
  margin: 0;
  max-width: 820px;
  color: var(--text-secondary);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.45;
}
.article-chart-hero__dek strong { color: var(--chart-title); }
.article-chart-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-6);
}
.article-chart-stat {
  display: block;
  padding: var(--space-4) var(--space-5) var(--space-4) 0;
  border-top: 1px solid var(--border-default);
}
.article-chart-stat__value {
  color: var(--chart-title);
  font-family: var(--font-mono);
  font-size: 1.55rem;
  font-weight: 800;
  line-height: 1;
}
.article-chart-stat__value--recall { color: var(--chart-recall); }
.article-chart-stat__value--danger { color: var(--red-600); }
.article-chart-stat__label {
  margin-top: var(--space-2);
  color: var(--chart-text);
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.35;
}
.article-chart-hero__canvas {
  position: relative;
  height: 460px;
  margin-top: var(--space-8);
}
.article-chart-hero__canvas canvas {
  width: 100% !important;
  height: 100% !important;
}
.article-chart-hero__caption {
  margin: var(--space-3) 0 0;
  color: var(--chart-muted);
  font-size: 0.84rem;
  line-height: 1.45;
}
@media (max-width: 900px) {
  .article-chart-hero__canvas { height: 380px; }
  .article-chart-hero__stats { grid-template-columns: 1fr; }
  .article-chart-stat { padding-right: 0; }
}
@media (max-width: 560px) {
  .article-chart-hero__inner { padding: var(--space-6) var(--space-4); }
  .article-chart-hero__canvas { height: 320px; }
}

/* ---- Blog quickstart callout ---- */
.blog-widget-preview {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-6);
  align-items: center;
  margin: var(--space-8) auto;
  padding: var(--space-6);
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-left: 3px solid var(--primary-500);
  border-radius: var(--radius-xs);
}
.blog-widget-preview__content h2 {
  margin: 0 0 var(--space-2);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
}
.blog-widget-preview__content p {
  margin: 0;
  color: var(--text-secondary);
}
.blog-widget-preview__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
}
.blog-widget-preview__guide {
  font-size: 0.9rem;
  font-weight: 600;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .site-footer__grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
  .article-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Collapse the full primary menu before its labels crowd tablet headers. */
@media (max-width: 1024px) {
  .site-nav__links { display: none; }
  .site-nav__toggle { display: block; }
  .site-nav__links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-default);
    box-shadow: var(--shadow-lg);
    padding: var(--space-4);
    gap: 0;
  }
  .site-nav__links a.site-nav__social-link {
    margin: var(--space-1) 0;
    justify-content: flex-start;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-xs);
  }
  .site-nav__social-label { display: inline; }
  .site-nav__actions .btn--ghost { display: none; }
}

@media (max-width: 768px) {
  .section-title { font-size: 2rem; }
  .site-footer__grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .cookie-banner { flex-direction: column; align-items: stretch; }
  .cookie-banner__actions { flex-wrap: wrap; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .article-grid { grid-template-columns: 1fr; }
  .blog-widget-preview { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .section-title { font-size: 1.75rem; }
  .btn--large { padding: var(--space-3) var(--space-6); }
}

/* ---- Print ---- */
@media print {
  .site-nav, .site-footer, .cookie-banner { display: none !important; }
  body { background: white; }
}

/* Synona brand layer (draft 3): paper + ink; colour belongs to customers' screenshots and to meaning (outcomes, highlighter). */
:root{
  /* Direction A, warmed: warm black ink, stone paper, warm greys. */
  --font-sans:"Archivo Variable",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --font-mono:"IBM Plex Mono","SF Mono",Menlo,monospace;
  --syn-serif:"Source Serif 4 Variable",Georgia,serif;
  --syn-ink:#141311;
  --primary-50:#F4F2EE; --primary-100:#E9E6E0; --primary-200:#D3CFC7; --primary-300:#B0ABA2;
  --primary-400:#B0ABA2; --primary-500:#2C2A27; --primary-600:#141311; --primary-700:#0B0B0A;
  --primary-800:#0B0B0A; --primary-900:#0B0B0A; --primary-950:#1C1A17;
  --neutral-50:#FAFAF8; --neutral-100:#F3F2EF; --neutral-200:#E6E4DF; --neutral-300:#D3D0C9; --neutral-400:#A8A49B;
  --neutral-500:#78746B; --neutral-600:#57534B; --neutral-700:#403D37; --neutral-800:#2A2825; --neutral-900:#141311; --neutral-950:#0B0B0A;
  --green-600:#1E4D3A; --red-600:#B3261E;
  --bg-page:#F3F1EC;
  --uxs-success:#B0ABA2;
}
body{background:var(--bg-page)}
h1,h2,h3,h4,h5,h6{font-family:var(--font-sans);font-stretch:112%;font-weight:800;letter-spacing:-.01em}
.uxs-hero h1{font-stretch:115%;font-weight:900;letter-spacing:-.02em;line-height:1}
.uxs-section h2,.uxs-cta h2{font-weight:850}
.uxs-card h2{font-family:var(--font-sans);font-stretch:110%;font-weight:800}
.uxs-eyebrow{color:var(--syn-ink)}
.uxs-explain{--uxs-x-persona:#141311;--uxs-x-done:#B0ABA2}
/* buttons: ink, square corners kept from the system */
.btn--primary{background:var(--syn-ink);border-color:var(--syn-ink);color:#fff}
.btn--primary:hover{background:#2C2A27;border-color:#2C2A27}
/* persona voices read as quotes, set in the serif */
q,blockquote,.uxs-quote{font-family:var(--syn-serif)}
main h2{font-family:var(--font-sans)!important;font-stretch:110%;font-weight:800;letter-spacing:-.015em}
.uxs-hero h1{font-stretch:106%;font-size:clamp(36px,4.6vw,60px)}
/* verdict lines (finding headlines) in the serif, as in the identity */
.uxs-finding h4{font-family:var(--syn-serif);font-weight:600;font-stretch:100%;letter-spacing:0;font-size:1.08em}
.syn-logo{display:block;color:var(--syn-ink)}
.site-footer .syn-logo{color:#fff}
.site-nav__logo{gap:0;line-height:0}