/* Sovereign Architect — Universal Components Library v3 (token-based)
 * Brand colour controlled via --sa-brand-* CSS variables — overridden per-site.
 * Defaults match the WDM gold theme.
 * All component values use design tokens — no hardcoded colours/spacing.
 */

:root {
  /* Brand (default = WDM "Sovereign Architect" gold) */
  --sa-brand-primary: #947f57;
  --sa-brand-primary-rgb: 148, 127, 87;
  --sa-brand-primary-hover: #a89569;
  --sa-brand-primary-soft: #f3eede;
  --sa-brand-primary-tint: #fafaf3;
  --sa-brand-primary-border: #e8e6dc;
  --sa-brand-primary-deep: #54480f;
  --sa-brand-primary-on-dark: #d4c89e;
  --sa-brand-secondary: #1f6f3d;
  --sa-brand-secondary-soft: #f0f9f4;
  --sa-brand-secondary-border: #c8e8d4;

  /* Surfaces */
  --sa-surface: #fafafa;
  --sa-surface-card: #ffffff;
  --sa-surface-tinted: var(--sa-brand-primary-tint);
  --sa-surface-inverted: #1d1d1d;
  --sa-surface-deep: #0a0a0a;

  /* Text */
  --sa-text-ink: #0a0a0a;
  --sa-text-body: #222222;
  --sa-text-muted: #666666;
  --sa-text-soft: #888888;
  --sa-text-on-dark: #cfcfcf;
  --sa-text-on-dark-muted: #999999;
  --sa-text-on-brand: #ffffff;

  /* Borders */
  --sa-border: #e8e8e8;
  --sa-border-soft: #ececec;
  --sa-border-strong: #d4d4d4;
  --sa-border-brand: var(--sa-brand-primary-border);

  /* Semantic */
  --sa-success: #1f6f3d;
  --sa-success-bg: #f0f9f4;
  --sa-success-border: #c8e8d4;
  --sa-warning: #c79100;
  --sa-warning-bg: #fff8e1;
  --sa-warning-border: #ffd966;
  --sa-danger: #a04040;
  --sa-danger-bg: #fdf2f2;
  --sa-danger-border: #f5c6c6;
  --sa-info: #5fa8ea;
  --sa-info-bg: #e8f4fd;
  --sa-info-border: #b6d8f0;

  /* Type families — override per-site */
  --sa-font-display: 'Iowan Old Style', Iowan, Georgia, 'Times New Roman', serif;
  --sa-font-body: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --sa-font-mono: 'JetBrains Mono', Menlo, Consolas, monospace;

  /* Type scale */
  --sa-text-xs: 0.75rem;
  --sa-text-sm: 0.8125rem;
  --sa-text-base: 0.9375rem;
  --sa-text-md: 1rem;
  --sa-text-lg: 1.0625rem;
  --sa-text-xl: 1.1875rem;
  --sa-text-2xl: 1.5rem;
  --sa-text-3xl: 1.875rem;
  --sa-text-4xl: 2.25rem;
  --sa-text-5xl: clamp(2rem, 5vw, 3.25rem);

  /* Weights */
  --sa-weight-regular: 400;
  --sa-weight-medium: 500;
  --sa-weight-semibold: 600;
  --sa-weight-bold: 700;

  /* Line heights */
  --sa-leading-tight: 1.1;
  --sa-leading-snug: 1.25;
  --sa-leading-normal: 1.55;
  --sa-leading-relaxed: 1.65;
  --sa-leading-loose: 1.7;

  /* Letter spacing */
  --sa-tracking-tightest: -0.025em;
  --sa-tracking-tight: -0.015em;
  --sa-tracking-normal: 0;
  --sa-tracking-wide: 0.04em;
  --sa-tracking-wider: 0.1em;
  --sa-tracking-widest: 0.16em;

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

  /* Radius */
  --sa-radius-sm: 3px;
  --sa-radius-md: 5px;
  --sa-radius-lg: 6px;
  --sa-radius-xl: 8px;
  --sa-radius-full: 999px;

  /* Shadow */
  --sa-shadow-1: 0 1px 2px rgba(0,0,0,.04);
  --sa-shadow-2: 0 1px 3px rgba(0,0,0,.04), 0 1px 2px rgba(0,0,0,.06);
  --sa-shadow-3: 0 4px 16px rgba(0,0,0,.08);
  --sa-shadow-4: 0 8px 32px rgba(0,0,0,.12);
  --sa-shadow-5: 0 20px 80px rgba(0,0,0,.4);
  --sa-shadow-brand: 0 6px 18px rgba(var(--sa-brand-primary-rgb), 0.18);

  /* Motion */
  --sa-duration-fast: 150ms;
  --sa-duration-normal: 250ms;
  --sa-duration-slow: 400ms;
  --sa-easing-standard: cubic-bezier(0.2, 0, 0, 1);
  --sa-easing-emphasized: cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* === Per-site theme overrides ===
 * Each site can either inject a <style> block setting :root variables,
 * or use these data-theme attributes on <body>.
 */

body[data-theme="weirdigital"] {
  --sa-brand-primary: #947f57;
  --sa-brand-primary-rgb: 148, 127, 87;
  --sa-brand-primary-hover: #a89569;
  --sa-brand-primary-soft: #f3eede;
  --sa-brand-primary-tint: #fafaf3;
  --sa-brand-primary-border: #e8e6dc;
  --sa-brand-primary-deep: #54480f;
  --sa-brand-primary-on-dark: #d4c89e;
}
body[data-theme="joshweir"] {
  --sa-brand-primary: #1B2A4E;
  --sa-brand-primary-rgb: 27, 42, 78;
  --sa-brand-primary-hover: #2c3e6e;
  --sa-brand-primary-soft: #e6eaf3;
  --sa-brand-primary-tint: #f4f5f9;
  --sa-brand-primary-border: #e0e3ec;
  --sa-brand-primary-deep: #0e1830;
  --sa-brand-primary-on-dark: #9CB1E5;
  --sa-brand-secondary: #a8703a;
}
body[data-theme="markweir"] {
  --sa-brand-primary: #6E1F1F;
  --sa-brand-primary-rgb: 110, 31, 31;
  --sa-brand-primary-hover: #8a2d2d;
  --sa-brand-primary-soft: #f5e0e0;
  --sa-brand-primary-tint: #fdf2f2;
  --sa-brand-primary-border: #e8d5d5;
  --sa-brand-primary-deep: #4a1313;
  --sa-brand-primary-on-dark: #d4a8a8;
  --sa-surface: #faf8f3;
  --sa-surface-tinted: #f3ede0;
  --sa-font-display: 'Iowan Old Style', 'Palatino Linotype', Palatino, Georgia, serif;
  --sa-font-body: 'Iowan Old Style', Georgia, 'Palatino Linotype', serif;
}
body[data-theme="cmw"] {
  --sa-brand-primary: #5C7A87;
  --sa-brand-primary-rgb: 92, 122, 135;
  --sa-brand-primary-hover: #3a5662;
  --sa-brand-primary-soft: #e2eaee;
  --sa-brand-primary-tint: #f4f7f9;
  --sa-brand-primary-border: #d6e1e6;
  --sa-brand-primary-deep: #25333a;
  --sa-brand-primary-on-dark: #a3c1cd;
  --sa-surface: #fafaf3;
}
body[data-theme="ecosavinghub"] {
  --sa-brand-primary: #1f6f3d;
  --sa-brand-primary-rgb: 31, 111, 61;
  --sa-brand-primary-hover: #2a8a4f;
  --sa-brand-primary-soft: #d5edd9;
  --sa-brand-primary-tint: #f0f9f4;
  --sa-brand-primary-border: #c8e8d4;
  --sa-brand-primary-deep: #0a4d23;
  --sa-brand-primary-on-dark: #86d399;
  --sa-brand-secondary: #5b8c5a;
}
body[data-theme="greenlivingexperts"] {
  --sa-brand-primary: #1f6f3d;
  --sa-brand-primary-rgb: 31, 111, 61;
  --sa-brand-primary-hover: #2a8a4f;
  --sa-brand-primary-soft: #d4e4d3;
  --sa-brand-primary-tint: #f4f8f4;
  --sa-brand-primary-border: #c8e0c7;
  --sa-brand-primary-deep: #0a4d23;
  --sa-brand-primary-on-dark: #86d399;
  --sa-brand-secondary: #5b8c5a;
}
body[data-theme="ehp"] {
  --sa-brand-primary: #1f4d4a;
  --sa-brand-primary-rgb: 31, 77, 74;
  --sa-brand-primary-hover: #2a6b67;
  --sa-brand-primary-soft: #d3e5e3;
  --sa-brand-primary-tint: #eaf4f3;
  --sa-brand-primary-border: #cbe0dd;
  --sa-brand-primary-deep: #0e2120;
  --sa-brand-primary-on-dark: #7ab3af;
  --sa-brand-secondary: #5C7A87;
}
body[data-theme="hhn"] {
  --sa-brand-primary: #5C7A87;
  --sa-brand-primary-rgb: 92, 122, 135;
  --sa-brand-primary-hover: #3a5662;
  --sa-brand-primary-soft: #d8e4ea;
  --sa-brand-primary-tint: #f4f7f9;
  --sa-brand-primary-border: #c5d4db;
  --sa-brand-primary-deep: #25333a;
  --sa-brand-primary-on-dark: #a3c1cd;
}
body[data-theme="hcr"] {
  --sa-brand-primary: #0f4c75;
  --sa-brand-primary-rgb: 15, 76, 117;
  --sa-brand-primary-hover: #1565a8;
  --sa-brand-primary-soft: #cfdfee;
  --sa-brand-primary-tint: #eef5fb;
  --sa-brand-primary-border: #c2d7e6;
  --sa-brand-primary-deep: #062a46;
  --sa-brand-primary-on-dark: #7eb3da;
}
body[data-theme="ghg"] {
  --sa-brand-primary: #947f57;
  --sa-brand-primary-rgb: 148, 127, 87;
  --sa-brand-primary-hover: #6b5d3e;
  --sa-brand-primary-soft: #f3eede;
  --sa-brand-primary-tint: #fafaf3;
  --sa-brand-primary-border: #e8e6dc;
  --sa-brand-primary-deep: #54480f;
  --sa-brand-primary-on-dark: #d4c89e;
  --sa-brand-secondary: #5b8c5a;
}
body[data-theme="ukfm"] {
  --sa-brand-primary: #1B2A4E;
  --sa-brand-primary-rgb: 27, 42, 78;
  --sa-brand-primary-hover: #2c3e6e;
  --sa-brand-primary-soft: #e6eaf3;
  --sa-brand-primary-tint: #f4f5f9;
  --sa-brand-primary-border: #d6dce8;
  --sa-brand-primary-deep: #0e1830;
  --sa-brand-primary-on-dark: #9CB1E5;
  --sa-brand-secondary: #c46c2e;
  --sa-font-display: Inter, -apple-system, sans-serif;
}

/* === Components (use tokens only) === */

/* Key Takeaways */
.key-takeaways {
  background: linear-gradient(135deg, var(--sa-brand-primary-tint) 0%, var(--sa-brand-primary-soft) 100%);
  border: 1px solid var(--sa-brand-primary-border);
  border-left: 5px solid var(--sa-brand-primary);
  border-radius: var(--sa-radius-lg);
  padding: 22px 26px;
  margin: 0 0 var(--sa-space-8);
  box-shadow: var(--sa-shadow-1);
}
.key-takeaways h3 {
  font-family: inherit;
  font-size: 0.78rem;
  letter-spacing: var(--sa-tracking-widest);
  text-transform: uppercase;
  color: var(--sa-brand-primary-deep);
  margin: 0 0 var(--sa-space-3);
  font-weight: var(--sa-weight-bold);
}
.key-takeaways ul {
  margin: 0;
  padding-left: 22px;
  color: var(--sa-text-body);
  line-height: var(--sa-leading-relaxed);
}
.key-takeaways ul li { margin-bottom: var(--sa-space-2); font-size: var(--sa-text-base); }
.key-takeaways ul li:last-child { margin-bottom: 0; }
.key-takeaways ul li strong { color: var(--sa-brand-primary-deep); }

/* TL;DR */
.tldr {
  background: var(--sa-success-bg);
  border: 1px solid var(--sa-success-border);
  border-left: 5px solid var(--sa-success);
  border-radius: var(--sa-radius-lg);
  padding: 18px 22px;
  margin: 0 0 var(--sa-space-8);
  font-size: var(--sa-text-base);
  color: #0a4d23;
}
.tldr strong {
  color: var(--sa-success);
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: var(--sa-space-2);
}

/* Reading progress */
.reading-progress {
  position: fixed; top: 0; left: 0; width: 0%; height: 3px;
  background: linear-gradient(90deg, var(--sa-brand-primary) 0%, var(--sa-brand-secondary) 100%);
  z-index: 200;
  transition: width 100ms ease-out;
  pointer-events: none;
}

/* Sticky CTA */
.sticky-cta {
  position: fixed; bottom: -100px; left: 0; right: 0;
  background: var(--sa-surface-inverted); color: var(--sa-text-on-dark);
  padding: 14px var(--sa-space-6);
  display: flex; align-items: center; justify-content: space-between;
  gap: 18px;
  box-shadow: 0 -4px 16px rgba(0,0,0,.18);
  z-index: 150;
  transition: bottom var(--sa-duration-normal) ease;
  font-size: var(--sa-text-base);
}
.sticky-cta.visible { bottom: 0; }
.sticky-cta-text { flex: 1; color: var(--sa-text-on-dark); }
.sticky-cta-text strong { color: var(--sa-brand-primary-on-dark); font-weight: var(--sa-weight-semibold); }
.sticky-cta-btn {
  display: inline-block;
  padding: 10px 22px;
  background: var(--sa-brand-primary);
  color: var(--sa-text-on-brand);
  font-weight: var(--sa-weight-bold);
  border-radius: var(--sa-radius-md);
  text-decoration: none;
  font-size: 0.875rem;
  letter-spacing: 0.02em;
  white-space: nowrap;
  min-height: 44px; line-height: 24px;
}
.sticky-cta-btn:hover { background: var(--sa-brand-primary-hover); }
.sticky-cta-close {
  color: var(--sa-text-soft); cursor: pointer;
  font-size: 1.25rem;
  padding: 8px 12px;
  background: none; border: 0;
  min-width: 40px; min-height: 40px;
}
.sticky-cta-close:hover { color: #fff; }
@media (max-width: 600px) {
  .sticky-cta { flex-wrap: wrap; padding: 12px var(--sa-space-4); }
  .sticky-cta-text { font-size: 0.8125rem; width: 100%; }
  .sticky-cta-btn { padding: 10px var(--sa-space-4); font-size: 0.8125rem; }
}

/* Charts */
.data-chart { width: 100%; max-width: 760px; height: auto; margin: var(--sa-space-6) 0; display: block; }
.data-chart-title { font-size: 0.875rem; font-weight: var(--sa-weight-bold); color: var(--sa-text-ink); margin-bottom: var(--sa-space-2); text-transform: uppercase; letter-spacing: 0.08em; }
.data-chart-source { font-size: var(--sa-text-xs); color: var(--sa-text-soft); margin-top: 6px; font-style: italic; }
.data-chart rect.bar { fill: var(--sa-brand-primary); transition: fill var(--sa-duration-fast); }
.data-chart rect.bar.alt { fill: var(--sa-brand-secondary); }
.data-chart text { font-family: inherit; font-size: 11px; fill: var(--sa-text-body); }
.data-chart text.label { font-weight: var(--sa-weight-semibold); fill: var(--sa-text-ink); }
.data-chart text.value { font-weight: var(--sa-weight-bold); fill: var(--sa-text-ink); }
.data-chart .axis-line { stroke: var(--sa-border-strong); stroke-width: 1; }
.data-chart .grid-line { stroke: var(--sa-border-soft); stroke-width: 1; stroke-dasharray: 2,2; }
.data-chart .area-line { fill: none; stroke: var(--sa-brand-primary); stroke-width: 2.5; }
.data-chart .area-fill { fill: var(--sa-brand-primary); opacity: 0.2; }
.data-chart .point { fill: var(--sa-brand-primary); stroke: #fff; stroke-width: 2; }

/* Donut */
.donut-chart { display: flex; align-items: center; gap: var(--sa-space-6); flex-wrap: wrap; margin: 28px 0; }
.donut-chart svg { flex-shrink: 0; width: 200px; height: 200px; }
.donut-chart .donut-bg { fill: none; stroke: var(--sa-border); stroke-width: 24; }
.donut-chart .donut-segment { fill: none; stroke-width: 24; transition: stroke-width var(--sa-duration-fast); }
.donut-chart .donut-center { font-size: 14px; font-weight: var(--sa-weight-bold); fill: var(--sa-text-ink); text-anchor: middle; dominant-baseline: middle; }
.donut-chart .donut-center-sub { font-size: 10px; fill: var(--sa-text-soft); text-anchor: middle; text-transform: uppercase; letter-spacing: 0.08em; }
.donut-legend { flex: 1; min-width: 200px; display: flex; flex-direction: column; gap: var(--sa-space-2); }
.donut-legend-item { display: flex; align-items: center; gap: 10px; font-size: 0.875rem; color: var(--sa-text-body); }
.donut-legend-swatch { width: 14px; height: 14px; border-radius: var(--sa-radius-sm); flex-shrink: 0; }
.donut-legend-label { flex: 1; }
.donut-legend-value { font-weight: var(--sa-weight-bold); color: var(--sa-text-ink); }

/* Sparkline */
.sparkline { display: inline-block; vertical-align: middle; margin: 0 4px; }
.sparkline svg { height: 24px; width: 80px; }
.sparkline path { fill: none; stroke: var(--sa-brand-primary); stroke-width: 1.5; }

/* Metric counters */
.metric-counters { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: var(--sa-space-4); margin: var(--sa-space-8) 0; }
.metric-counter {
  background: var(--sa-surface-card);
  border: 1px solid var(--sa-border-brand);
  border-left: 4px solid var(--sa-brand-primary);
  border-radius: var(--sa-radius-lg);
  padding: var(--sa-space-5);
  text-align: center;
  transition: transform var(--sa-duration-fast), box-shadow var(--sa-duration-fast);
}
.metric-counter:hover { transform: translateY(-2px); box-shadow: var(--sa-shadow-3); }
.metric-counter-value { font-size: 2.25rem; font-weight: var(--sa-weight-bold); color: var(--sa-text-ink); letter-spacing: -0.01em; line-height: 1; margin-bottom: 6px; font-family: inherit; font-variant-numeric: tabular-nums; }
.metric-counter-label { font-size: var(--sa-text-xs); text-transform: uppercase; letter-spacing: var(--sa-tracking-wider); color: var(--sa-brand-primary-deep); font-weight: var(--sa-weight-bold); }
.metric-counter-sub { font-size: var(--sa-text-sm); color: var(--sa-text-muted); margin-top: 6px; }

/* Comparison bar */
.compare-bar { margin: 18px 0; padding: 14px 16px; background: var(--sa-surface-tinted); border: 1px solid var(--sa-border-brand); border-radius: var(--sa-radius-md); font-size: var(--sa-text-base); }
.compare-bar-label { font-weight: var(--sa-weight-semibold); color: var(--sa-text-ink); margin-bottom: var(--sa-space-2); }
.compare-bar-track { position: relative; height: 24px; background: var(--sa-border-soft); border-radius: var(--sa-radius-sm); overflow: hidden; }
.compare-bar-fill { position: absolute; left: 0; top: 0; height: 100%; background: linear-gradient(90deg, var(--sa-brand-primary) 0%, var(--sa-brand-primary-hover) 100%); border-radius: var(--sa-radius-sm); transition: width 800ms cubic-bezier(.2,.8,.2,1); }
.compare-bar-fill.alt { background: linear-gradient(90deg, var(--sa-brand-secondary) 0%, var(--sa-brand-secondary) 100%); }
.compare-bar-text { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: #fff; font-weight: var(--sa-weight-semibold); font-size: 0.8125rem; text-shadow: 0 1px 2px rgba(0,0,0,.2); }
.compare-bar-meta { font-size: var(--sa-text-sm); color: var(--sa-text-muted); margin-top: 6px; }

/* Versus block */
.vs-block { display: grid; grid-template-columns: 1fr auto 1fr; gap: 18px; align-items: stretch; margin: var(--sa-space-8) 0; font-family: inherit; }
.vs-side { padding: var(--sa-space-6); border-radius: var(--sa-radius-xl); border: 1px solid var(--sa-border-brand); background: var(--sa-surface-card); }
.vs-side.left { border-top: 4px solid var(--sa-brand-primary); }
.vs-side.right { border-top: 4px solid var(--sa-brand-secondary); }
.vs-side h4 { font-size: var(--sa-text-lg); font-weight: var(--sa-weight-bold); margin-bottom: var(--sa-space-3); color: var(--sa-text-ink); }
.vs-side ul { margin: 0; padding-left: 20px; }
.vs-side ul li { font-size: var(--sa-text-base); margin-bottom: 6px; line-height: var(--sa-leading-normal); color: var(--sa-text-body); }
.vs-side .vs-stat { font-size: 1.75rem; font-weight: var(--sa-weight-bold); color: var(--sa-text-ink); letter-spacing: -0.01em; line-height: 1; margin-bottom: 6px; }
.vs-side.left .vs-stat { color: var(--sa-brand-primary); }
.vs-side.right .vs-stat { color: var(--sa-brand-secondary); }
.vs-side .vs-stat-label { font-size: var(--sa-text-xs); text-transform: uppercase; letter-spacing: var(--sa-tracking-wider); color: var(--sa-text-soft); font-weight: var(--sa-weight-bold); margin-bottom: 14px; }
.vs-divider { align-self: center; font-weight: var(--sa-weight-bold); color: var(--sa-text-soft); font-size: 1.25rem; letter-spacing: 0.08em; text-transform: uppercase; }
@media (max-width: 560px) { .vs-block { grid-template-columns: 1fr; gap: 8px; } .vs-divider { padding: 8px 0; } }

/* FAQ */
.faq-section { margin: var(--sa-space-10) 0; padding-top: var(--sa-space-6); border-top: 1px solid var(--sa-border); }
.faq-section h2 { font-size: var(--sa-text-2xl); font-weight: var(--sa-weight-bold); margin-bottom: var(--sa-space-6); color: var(--sa-text-ink); }
.faq-item { border: 1px solid var(--sa-border-brand); border-radius: var(--sa-radius-lg); margin-bottom: 10px; background: var(--sa-surface-card); overflow: hidden; transition: box-shadow var(--sa-duration-fast); }
.faq-item:hover { box-shadow: var(--sa-shadow-2); }
.faq-question { padding: var(--sa-space-4) var(--sa-space-5); cursor: pointer; display: flex; justify-content: space-between; align-items: flex-start; font-weight: var(--sa-weight-semibold); color: var(--sa-text-ink); font-size: var(--sa-text-base); line-height: 1.4; background: none; border: 0; width: 100%; text-align: left; font-family: inherit; min-height: 44px; }
.faq-question:hover { background: var(--sa-surface-tinted); }
.faq-icon { flex-shrink: 0; margin-left: 14px; color: var(--sa-brand-primary); font-size: 1.25rem; font-weight: var(--sa-weight-bold); transition: transform var(--sa-duration-fast); line-height: 1; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height var(--sa-duration-normal) ease, padding var(--sa-duration-normal) ease; padding: 0 var(--sa-space-5); color: var(--sa-text-body); font-size: var(--sa-text-base); line-height: var(--sa-leading-relaxed); }
.faq-item.open .faq-answer { max-height: 1200px; padding: 0 var(--sa-space-5) 18px; }
.faq-answer p { margin-bottom: 10px; }
.faq-answer p:last-child { margin-bottom: 0; }

/* Related cards */
.related-articles { margin: var(--sa-space-12) 0 var(--sa-space-8); padding-top: var(--sa-space-8); border-top: 2px solid var(--sa-border-soft); }
.related-articles h3 { font-size: 0.78rem; letter-spacing: var(--sa-tracking-widest); text-transform: uppercase; color: var(--sa-brand-primary); margin-bottom: 18px; font-weight: var(--sa-weight-bold); }
.related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; }
.related-item { background: var(--sa-surface-card); border: 1px solid var(--sa-border-brand); border-radius: var(--sa-radius-lg); padding: 18px; text-decoration: none; color: var(--sa-text-ink); transition: all var(--sa-duration-fast); display: flex; flex-direction: column; height: 100%; min-height: 120px; }
.related-item:hover { border-color: var(--sa-brand-primary); box-shadow: var(--sa-shadow-3); transform: translateY(-2px); }
.related-item-meta { font-size: 0.6875rem; text-transform: uppercase; letter-spacing: var(--sa-tracking-wider); color: var(--sa-brand-primary); font-weight: var(--sa-weight-bold); margin-bottom: var(--sa-space-2); }
.related-item-title { font-weight: var(--sa-weight-bold); font-size: var(--sa-text-base); line-height: 1.35; color: var(--sa-text-ink); margin-bottom: 10px; flex-grow: 1; }
.related-item-excerpt { font-size: 0.8125rem; color: var(--sa-text-muted); line-height: var(--sa-leading-normal); }

/* Network related — dark variant */
.network-related { margin: var(--sa-space-8) 0; padding: var(--sa-space-6); background: linear-gradient(135deg, var(--sa-surface-inverted) 0%, #2a2a2a 100%); border-radius: var(--sa-radius-xl); color: #fff; }
.network-related h3 { color: var(--sa-brand-primary-on-dark); font-size: 0.78rem; letter-spacing: var(--sa-tracking-widest); text-transform: uppercase; margin-bottom: 14px; font-weight: var(--sa-weight-bold); }
.network-related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.network-related-item { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08); border-radius: var(--sa-radius-md); padding: 16px; text-decoration: none; color: #fff; transition: all var(--sa-duration-fast); }
.network-related-item:hover { border-color: var(--sa-brand-primary-on-dark); background: rgba(var(--sa-brand-primary-rgb),.1); }
.network-related-item .meta { color: var(--sa-brand-primary-on-dark); font-size: 0.6875rem; text-transform: uppercase; letter-spacing: var(--sa-tracking-wider); font-weight: var(--sa-weight-bold); margin-bottom: 6px; }
.network-related-item .title { font-size: var(--sa-text-base); font-weight: var(--sa-weight-bold); color: #fff; margin-bottom: 6px; line-height: 1.3; }
.network-related-item .desc { font-size: 0.8125rem; color: var(--sa-text-on-dark); line-height: 1.45; }

/* Breadcrumb */
.breadcrumb { font-size: var(--sa-text-sm); color: var(--sa-text-soft); margin: 0 0 18px; font-family: inherit; }
.breadcrumb a { color: var(--sa-brand-primary); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span.sep { color: var(--sa-border-strong); margin: 0 6px; }

/* Pull quote */
.pullquote { border-left: 4px solid var(--sa-brand-primary); padding: var(--sa-space-2) 0 var(--sa-space-2) var(--sa-space-6); margin: var(--sa-space-8) 0; font-size: var(--sa-text-xl); line-height: var(--sa-leading-normal); color: var(--sa-text-ink); font-style: italic; font-family: var(--sa-font-display); font-weight: var(--sa-weight-medium); max-width: 60ch; }
.pullquote-attribution { display: block; font-size: 0.875rem; color: var(--sa-brand-primary-deep); margin-top: var(--sa-space-3); font-style: normal; font-family: inherit; font-weight: var(--sa-weight-semibold); letter-spacing: var(--sa-tracking-wide); }

/* Stats strip */
.stats-strip { display: flex; flex-wrap: wrap; gap: var(--sa-space-6); padding: var(--sa-space-6) 0; border-top: 1px solid var(--sa-border); border-bottom: 1px solid var(--sa-border); margin: var(--sa-space-8) 0; justify-content: space-around; text-align: center; }
.stats-strip .stat { flex: 1; min-width: 140px; }
.stats-strip .stat-value { font-size: 2rem; font-weight: var(--sa-weight-bold); color: var(--sa-text-ink); line-height: 1; letter-spacing: -0.01em; font-variant-numeric: tabular-nums; }
.stats-strip .stat-label { font-size: var(--sa-text-xs); text-transform: uppercase; letter-spacing: var(--sa-tracking-wider); color: var(--sa-brand-primary-deep); font-weight: var(--sa-weight-bold); margin-top: var(--sa-space-2); }

/* Data table */
.data-table { width: 100%; border-collapse: collapse; margin: var(--sa-space-6) 0; font-size: var(--sa-text-base); }
.data-table th { background: var(--sa-surface-inverted); color: var(--sa-text-on-brand); padding: var(--sa-space-3) var(--sa-space-4); text-align: left; font-weight: var(--sa-weight-bold); font-size: var(--sa-text-xs); text-transform: uppercase; letter-spacing: 0.08em; }
.data-table td { padding: var(--sa-space-3) var(--sa-space-4); border-bottom: 1px solid var(--sa-border-soft); color: var(--sa-text-body); }
.data-table tr:last-child td { border-bottom: 0; }
.data-table tr:nth-child(even) td { background: var(--sa-surface-tinted); }
.data-table td.num { font-variant-numeric: tabular-nums; font-weight: var(--sa-weight-semibold); color: var(--sa-text-ink); }
.data-table td.win { color: var(--sa-success); font-weight: var(--sa-weight-bold); }
.data-table td.loss { color: var(--sa-danger); font-weight: var(--sa-weight-bold); }
.data-table caption { caption-side: top; text-align: left; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--sa-brand-primary-deep); font-weight: var(--sa-weight-bold); margin-bottom: 10px; }

/* Process diagram */
.process-diagram { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin: var(--sa-space-8) 0; position: relative; }
.process-step { background: var(--sa-surface-card); border: 1px solid var(--sa-border-brand); border-top: 3px solid var(--sa-brand-primary); border-radius: var(--sa-radius-md); padding: var(--sa-space-5); text-align: center; position: relative; }
.process-step-num { display: inline-block; width: 32px; height: 32px; background: var(--sa-brand-primary); color: var(--sa-text-on-brand); border-radius: 50%; font-weight: var(--sa-weight-bold); line-height: 32px; text-align: center; margin-bottom: 10px; font-size: 0.875rem; }
.process-step-title { font-weight: var(--sa-weight-bold); font-size: var(--sa-text-base); color: var(--sa-text-ink); margin-bottom: 6px; }
.process-step-desc { font-size: 0.8125rem; color: var(--sa-text-muted); line-height: var(--sa-leading-normal); }

/* Callout */
.callout-box { border-left: 4px solid; padding: 14px 18px; margin: var(--sa-space-6) 0; border-radius: 0 var(--sa-radius-sm) var(--sa-radius-sm) 0; font-size: var(--sa-text-base); line-height: var(--sa-leading-relaxed); }
.callout-box.note { border-left-color: var(--sa-success); background: var(--sa-success-bg); color: #0a4d23; }
.callout-box.warn { border-left-color: var(--sa-warning); background: var(--sa-warning-bg); color: #5d4404; }
.callout-box.danger { border-left-color: var(--sa-danger); background: var(--sa-danger-bg); color: #741515; }
.callout-box.tip { border-left-color: var(--sa-brand-primary); background: var(--sa-brand-primary-tint); color: var(--sa-brand-primary-deep); }
.callout-box strong { font-weight: var(--sa-weight-bold); }
.callout-box .callout-label { display: block; font-size: var(--sa-text-xs); text-transform: uppercase; letter-spacing: 0.1em; font-weight: var(--sa-weight-bold); margin-bottom: 4px; }
.callout-box p:last-child { margin-bottom: 0; }

/* Byline */
.byline { display: flex; align-items: center; gap: 14px; padding: 18px 0; border-top: 1px solid var(--sa-border); border-bottom: 1px solid var(--sa-border); margin: var(--sa-space-6) 0; font-size: 0.875rem; flex-wrap: wrap; }
.byline-avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--sa-surface-inverted); color: var(--sa-brand-primary-on-dark); font-weight: var(--sa-weight-bold); display: flex; align-items: center; justify-content: center; font-size: 1rem; flex-shrink: 0; }
.byline-info { flex: 1; }
.byline-name { font-weight: var(--sa-weight-bold); color: var(--sa-text-ink); }
.byline-role { color: var(--sa-text-muted); font-size: 0.8125rem; }
.byline-meta { display: flex; gap: 14px; align-items: center; font-size: 0.8125rem; color: var(--sa-text-soft); flex-wrap: wrap; }
.byline-meta .badge { display: inline-flex; align-items: center; gap: 5px; padding: 3px 8px; background: var(--sa-surface-tinted); border: 1px solid var(--sa-border-brand); border-radius: var(--sa-radius-full); color: var(--sa-brand-primary-deep); font-weight: var(--sa-weight-semibold); font-size: var(--sa-text-xs); }
.byline-meta .badge.fresh { background: var(--sa-success-bg); border-color: var(--sa-success-border); color: var(--sa-success); }

/* Lead magnet */
.lead-magnet { background: linear-gradient(135deg, var(--sa-surface-inverted) 0%, #2a2a2a 100%); color: #fff; padding: var(--sa-space-8); border-radius: var(--sa-radius-xl); margin: var(--sa-space-8) 0; }
.lead-magnet h3 { color: var(--sa-brand-primary-on-dark); font-size: 1.25rem; margin-bottom: 10px; }
.lead-magnet p { color: var(--sa-text-on-dark); font-size: var(--sa-text-base); margin-bottom: 18px; line-height: var(--sa-leading-normal); }
.lead-magnet form { display: flex; gap: 8px; flex-wrap: wrap; }
.lead-magnet input[type=email] { flex: 1; min-width: 200px; padding: 12px 14px; border: 1px solid #444; background: var(--sa-surface-deep); color: #fff; border-radius: var(--sa-radius-sm); font-family: inherit; font-size: var(--sa-text-base); outline: none; min-height: 44px; }
.lead-magnet input[type=email]:focus { border-color: var(--sa-brand-primary-on-dark); }
.lead-magnet button { padding: 12px 22px; background: var(--sa-brand-primary); color: var(--sa-text-on-brand); border: 0; font-weight: var(--sa-weight-bold); border-radius: var(--sa-radius-sm); cursor: pointer; font-family: inherit; font-size: var(--sa-text-base); letter-spacing: 0.02em; min-height: 44px; }
.lead-magnet button:hover { background: var(--sa-brand-primary-hover); }

/* Glossary cross-link */
.glossary-link { border-bottom: 1px dotted currentColor; text-decoration: none !important; cursor: help; }
.glossary-link:hover { border-bottom-style: solid; color: var(--sa-brand-primary); }

/* Animated gradient text */
.animated-gradient {
  background: linear-gradient(120deg, var(--sa-brand-primary), var(--sa-brand-secondary), var(--sa-surface-inverted), var(--sa-brand-primary));
  background-size: 300% 300%;
  animation: saGradient 18s ease infinite;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
@keyframes saGradient { 0%, 100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }

/* Animations */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { animation: fadeInUp 500ms ease-out; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .6; } }
.pulse { animation: pulse 1.6s ease-in-out infinite; }

/* Hover lift */
.hover-lift { transition: transform var(--sa-duration-normal), box-shadow var(--sa-duration-normal); }
.hover-lift:hover { transform: translateY(-3px); box-shadow: var(--sa-shadow-3); }

/* Print */
@media print {
  .reading-progress, .sticky-cta, .sa-exit-overlay, .related-articles, .network-related, .lead-magnet { display: none !important; }
  body { font-size: 11pt; line-height: 1.45; }
  a { color: #000; text-decoration: underline; }
  a:after { content: " (" attr(href) ")"; font-size: 9pt; color: #666; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

/* Focus */
:focus-visible { outline: 3px solid var(--sa-brand-primary); outline-offset: 2px; }
button:focus-visible, a:focus-visible { outline-offset: 3px; border-radius: var(--sa-radius-sm); }

/* Touch targets */
button, a.btn, a.btn-primary, a.btn-secondary, .faq-question, .option, .sticky-cta-btn, .sticky-cta-close { min-height: 44px; }

/* Mobile responsive */
@media (max-width: 768px) {
  .key-takeaways { padding: 18px 20px; }
  .metric-counter-value { font-size: 1.875rem; }
  .data-table { font-size: var(--sa-text-sm); }
  .data-table th, .data-table td { padding: 10px 12px; }
  .stats-strip { gap: 16px; }
  .stats-strip .stat-value { font-size: var(--sa-text-2xl); }
  .lead-magnet { padding: var(--sa-space-6); }
  .lead-magnet form { flex-direction: column; }
  .lead-magnet input[type=email] { width: 100%; }
  .lead-magnet button { width: 100%; }
  .pullquote { font-size: var(--sa-text-lg); padding-left: 16px; }
  .donut-chart svg { width: 160px; height: 160px; }
}
@media (max-width: 480px) {
  .metric-counter { padding: 16px; }
  .metric-counter-value { font-size: 1.625rem; }
  .article-cta, .callout-box, .lead-magnet, .network-related { padding: 16px; }
  .data-chart-title { font-size: 0.78rem; }
}
/* Sovereign Architect Visuals — additions to sa.css for icon system + hero patterns + image treatments
 * Append to sa.css or include separately as /assets/sa-visuals.css
 */

/* === SVG icon system === */
.sa-icon {
  width: 1em;
  height: 1em;
  display: inline-block;
  vertical-align: -0.125em;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
}

/* Icon sizes */
.sa-icon-sm { width: 16px; height: 16px; }
.sa-icon-md { width: 24px; height: 24px; }
.sa-icon-lg { width: 32px; height: 32px; }
.sa-icon-xl { width: 48px; height: 48px; }
.sa-icon-2xl { width: 64px; height: 64px; }

/* Icon in card-icon containers */
.calc-icon, .cluster-icon, .pillar-icon, .service-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: var(--sa-brand-primary-tint);
  border: 1px solid var(--sa-brand-primary-border);
  border-radius: var(--sa-radius-lg);
  margin-bottom: var(--sa-space-4);
  color: var(--sa-brand-primary);
  transition: all var(--sa-duration-normal) var(--sa-easing-emphasized);
}
.calc-icon svg, .cluster-icon svg, .pillar-icon svg, .service-icon svg {
  width: 28px;
  height: 28px;
}
.calc-card:hover .calc-icon,
.cluster-card:hover .cluster-icon,
.pillar-card:hover .pillar-icon,
.service-card:hover .service-icon {
  background: var(--sa-brand-primary);
  color: var(--sa-text-on-brand);
  transform: scale(1.05);
}

/* === Hero pattern backgrounds === */
.hero-pattern {
  position: relative;
  overflow: hidden;
}
.hero-pattern::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 25% 30%, rgba(var(--sa-brand-primary-rgb), 0.08) 0%, transparent 40%),
    radial-gradient(circle at 75% 70%, rgba(var(--sa-brand-primary-rgb), 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}
.hero-pattern > * {
  position: relative;
  z-index: 1;
}

/* Subtle dot/grid pattern on hero — adds texture */
.hero-grid {
  position: relative;
}
.hero-grid::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(var(--sa-brand-primary-rgb), 0.18) 1px, transparent 1px);
  background-size: 22px 22px;
  background-position: 0 0;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  pointer-events: none;
  opacity: 0.6;
}
.hero-grid > * {
  position: relative;
}

/* Decorative SVG flourish on right side of hero */
.hero-flourish {
  position: absolute;
  top: 0;
  right: -60px;
  width: 480px;
  height: 100%;
  pointer-events: none;
  opacity: 0.55;
  z-index: 0;
}
.hero-flourish svg {
  width: 100%;
  height: 100%;
  color: var(--sa-brand-primary);
}
@media (max-width: 768px) {
  .hero-flourish { display: none; }
}

/* === Stock image treatments === */
.editorial-image {
  width: 100%;
  height: auto;
  border-radius: var(--sa-radius-xl);
  margin: var(--sa-space-8) 0;
  display: block;
  background: var(--sa-surface-tinted);
  aspect-ratio: 16/9;
  object-fit: cover;
}

.editorial-image-caption {
  font-size: var(--sa-text-sm);
  color: var(--sa-text-soft);
  margin-top: -16px;
  margin-bottom: var(--sa-space-6);
  font-style: italic;
  text-align: center;
}

.editorial-image-caption a {
  color: var(--sa-text-soft);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Hero image (above the fold) */
.hero-image-wrap {
  position: relative;
  border-radius: var(--sa-radius-xl);
  overflow: hidden;
  aspect-ratio: 21/9;
  background: var(--sa-surface-tinted);
  margin-top: var(--sa-space-6);
}

.hero-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-image-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 60%, rgba(0,0,0,0.25) 100%);
  pointer-events: none;
}

/* Card thumbnails */
.card-thumb {
  width: 100%;
  aspect-ratio: 16/10;
  border-radius: var(--sa-radius-lg);
  overflow: hidden;
  background: var(--sa-surface-tinted);
  margin-bottom: var(--sa-space-3);
  position: relative;
}

.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--sa-duration-slow) var(--sa-easing-emphasized);
}

.related-item:hover .card-thumb img,
.recent-card:hover .card-thumb img,
.case-card:hover .card-thumb img {
  transform: scale(1.05);
}

.card-thumb-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.4) 100%);
  pointer-events: none;
}

/* Image with caption */
figure.editorial-figure {
  margin: var(--sa-space-8) 0;
}
figure.editorial-figure img {
  width: 100%;
  border-radius: var(--sa-radius-xl);
  display: block;
  background: var(--sa-surface-tinted);
}
figure.editorial-figure figcaption {
  font-size: var(--sa-text-sm);
  color: var(--sa-text-soft);
  margin-top: var(--sa-space-2);
  font-style: italic;
  text-align: center;
}
figure.editorial-figure figcaption a {
  color: inherit;
  text-decoration: underline;
}

/* === Decorative section dividers === */
.divider-flourish {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: var(--sa-space-12) 0;
  color: var(--sa-brand-primary);
  opacity: 0.6;
}
.divider-flourish::before,
.divider-flourish::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(to var(--dir, right), transparent, currentColor, transparent);
  max-width: 200px;
}
.divider-flourish::before { --dir: right; }
.divider-flourish::after { --dir: left; }
.divider-flourish .divider-mark {
  width: 24px;
  height: 24px;
  margin: 0 var(--sa-space-4);
}

/* === Visual hover state for buttons/CTAs === */
.btn-with-icon {
  display: inline-flex;
  align-items: center;
  gap: var(--sa-space-2);
}
.btn-with-icon svg {
  transition: transform var(--sa-duration-fast);
}
.btn-with-icon:hover svg {
  transform: translateX(3px);
}

/* === Animated SVG accents === */
.svg-pulse {
  animation: svg-pulse 2.5s ease-in-out infinite;
}
@keyframes svg-pulse {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}

/* === Responsive adjustments === */
@media (max-width: 768px) {
  .calc-icon, .cluster-icon, .pillar-icon, .service-icon { width: 48px; height: 48px; }
  .calc-icon svg, .cluster-icon svg, .pillar-icon svg, .service-icon svg { width: 24px; height: 24px; }
  .editorial-image, .hero-image-wrap { border-radius: var(--sa-radius-lg); }
}

@media (prefers-reduced-motion: reduce) {
  .calc-card:hover .calc-icon,
  .cluster-card:hover .cluster-icon,
  .pillar-card:hover .pillar-icon,
  .service-card:hover .service-icon { transform: none; }
  .related-item:hover .card-thumb img,
  .recent-card:hover .card-thumb img,
  .case-card:hover .card-thumb img { transform: none; }
}
