/* ================================================================
   SITE POLISH — Footer Human Layer, Dark Mode Fix, Patterns, Cards
   Loaded AFTER all other stylesheets in base.html
   ================================================================ */

/* ============================================
   1. FOOTER — Nested Layer Cards Design
   Layers: ( (footer) Human Layer ) System Layer )
   ============================================ */

.site-footer {
  margin-top: 3rem;
  padding: 0 1.5rem 2rem;
  background-color: transparent !important;
  background-image: none !important;
  border-top: none;
  max-width: 1140px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Layer Cards (clickable outer shells) --- */
.footer-layer-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.25rem 2rem;
  border-radius: 20px;
  text-decoration: none !important;
  position: relative;
  overflow: hidden;
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

/* System Layer — outermost (blue) */
.footer-layer-card--systems {
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 30%, #e0f2fe 60%, #f0f9ff 100%);
  border: 1px solid rgba(37, 99, 235, 0.12);
  margin-bottom: 0;
  border-radius: 24px 24px 0 0;
  padding-bottom: 1.5rem;
}

.footer-layer-card--systems::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(37, 99, 235, 0.04) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.5;
  pointer-events: none;
}

.footer-layer-card--systems:hover {
  box-shadow: 0 8px 28px rgba(37, 99, 235, 0.12);
  transform: translateY(-1px);
}

/* Human Layer — middle (warm) */
.footer-layer-card--human {
  background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 30%, #fff7ed 60%, #fffbf5 100%);
  border: 1px solid rgba(180, 83, 9, 0.1);
  border-top: none;
  margin-bottom: 0;
  border-radius: 0;
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}

.footer-layer-card--human::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(180, 83, 9, 0.035) 1.5px, transparent 1.5px);
  background-size: 22px 22px;
  opacity: 0.5;
  pointer-events: none;
}

.footer-layer-card--human:hover {
  box-shadow: 0 8px 28px rgba(180, 83, 9, 0.1);
  transform: translateY(-1px);
}

/* Card text content */
.footer-layer-card__text {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  position: relative;
  z-index: 1;
  flex: 1;
  min-width: 0;
}

.footer-layer-card__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-bottom: 0.15rem;
}

.footer-layer-card--systems .footer-layer-card__dot {
  background: #2563eb;
  box-shadow: 0 0 10px rgba(37, 99, 235, 0.4);
}

.footer-layer-card--human .footer-layer-card__dot {
  background: #b45309;
  box-shadow: 0 0 10px rgba(180, 83, 9, 0.4);
}

.footer-layer-card__name {
  font-family: var(--font-display, 'Playfair Display', Georgia, serif);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.footer-layer-card--systems .footer-layer-card__name {
  color: #1e40af;
}

.footer-layer-card--human .footer-layer-card__name {
  color: #92400e;
}

.footer-layer-card__tagline {
  font-family: var(--font-body, 'Source Serif Pro', Georgia, serif);
  font-size: 0.85rem;
  font-style: italic;
  line-height: 1.4;
}

.footer-layer-card--systems .footer-layer-card__tagline {
  color: #3b82f6;
}

.footer-layer-card--human .footer-layer-card__tagline {
  color: #b45309;
  opacity: 0.8;
}

.footer-layer-card__cta {
  font-family: var(--font-ui, 'Inter', sans-serif);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-top: 0.25rem;
}

.footer-layer-card--systems .footer-layer-card__cta {
  color: #2563eb;
}

.footer-layer-card--human .footer-layer-card__cta {
  color: #d97706;
}

/* Card logo image (right side) */
.footer-layer-card__img {
  position: relative;
  z-index: 1;
  width: auto;
  height: auto;
  max-width: 140px;
  max-height: 80px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: 12px;
  transition: transform 0.3s ease;
}

.footer-layer-card--systems .footer-layer-card__img {
  filter: drop-shadow(0 8px 20px rgba(37, 99, 235, 0.15));
}

.footer-layer-card--human .footer-layer-card__img {
  filter: drop-shadow(0 8px 20px rgba(180, 83, 9, 0.15));
}

.footer-layer-card:hover .footer-layer-card__img {
  transform: scale(1.04);
}

/* --- Inner footer shell (core content) --- */
.footer-shell {
  border: 1px solid rgba(22, 19, 17, 0.06);
  border-top: none;
  border-radius: 0 0 24px 24px;
  background: linear-gradient(180deg, rgba(255,253,248,0.96), rgba(255,255,255,0.92));
  box-shadow: 0 12px 36px rgba(22, 19, 17, 0.04);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  padding: 1.75rem 2.5rem 2rem;
  position: relative;
}

/* --- Footer Top: Brand + Social --- */
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(22, 19, 17, 0.06);
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.footer-brand {
  flex: 1;
  min-width: 200px;
}

.footer-brand-name {
  display: block;
  font-family: var(--font-display, 'Playfair Display', Georgia, serif);
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 0.4rem;
  background: linear-gradient(135deg, #1c1917 0%, #44403c 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-brand-tagline {
  margin: 0;
  font-family: var(--font-body, 'Source Serif Pro', Georgia, serif);
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--text-muted, #78716C);
  max-width: 26rem;
}

/* Social icons row */
.footer-social {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-shrink: 0;
}

.footer-social__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 50%;
  border: 1px solid rgba(22, 19, 17, 0.08);
  background: rgba(255,255,255,0.6);
  color: #57534e !important;
  text-decoration: none;
  transition: all 0.2s ease;
}

.footer-social__link:hover {
  color: #1c1917 !important;
  border-color: rgba(22, 19, 17, 0.18);
  background: rgba(255,255,255,0.9);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

.footer-social__link svg {
  flex-shrink: 0;
}

/* --- Footer Nav Grid --- */
.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(22, 19, 17, 0.06);
  margin-bottom: 1.25rem;
}

.footer-nav-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.footer-nav-heading {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #78716c;
  margin-bottom: 0.3rem;
  font-weight: 600;
}

.footer-nav-heading--systems { color: #2563EB; }
.footer-nav-heading--human { color: #B45309; }

.footer-nav-group a {
  font-family: var(--font-ui, 'Inter', sans-serif);
  font-size: 0.84rem;
  color: #44403c !important;
  text-decoration: none;
  transition: color 0.15s;
  line-height: 1.5;
}

.footer-nav-group a:hover {
  color: #1c1917 !important;
}

.footer-nav-heading--human ~ a:hover {
  color: #b45309 !important;
}

.footer-nav-heading--systems ~ a:hover {
  color: #2563eb !important;
}

/* --- Footer Bottom: Copyright --- */
.footer-bottom {
  text-align: center;
  padding-top: 0.15rem;
}

.footer-copyright {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: #78716c !important;
  margin: 0;
}

.footer-copyright a {
  color: #78716c !important;
  text-decoration: none;
}

.footer-copyright a:hover {
  color: #b45309 !important;
}

.footer-layer-sig {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #a8a29e;
  margin: 0.4rem 0 0;
  opacity: 0.7;
}


/* ============================================
   1b. PAGE WIDTH FIX — Remove narrow columns
   ============================================ */

/* Kill Bootstrap's narrow offset columns EVERYWHERE */
.intro-header .col-xl-8,
.intro-header .col-xl-8.offset-xl-2,
.intro-header .col-lg-10,
.intro-header .col-lg-10.offset-lg-1,
.page-shell--standard .col-xl-8,
.page-shell--standard .col-xl-8.offset-xl-2,
.page-shell--standard .col-lg-10,
.page-shell--standard .col-lg-10.offset-lg-1 {
  flex: 0 0 100% !important;
  max-width: 100% !important;
  margin-left: 0 !important;
  padding-left: 0 !important;
  padding-right: 0 !important;
}

/* Wider standard page container */
.page-shell--standard .container-md {
  max-width: 1100px !important;
  padding-left: clamp(1.25rem, 3vw, 2.5rem) !important;
  padding-right: clamp(1.25rem, 3vw, 2.5rem) !important;
}

/* Header container — also widen */
.intro-header .container-md {
  max-width: 1100px !important;
  padding-left: clamp(1.25rem, 3vw, 2.5rem) !important;
  padding-right: clamp(1.25rem, 3vw, 2.5rem) !important;
}

/* Full-width pages use full container */
.page-shell--wide .container-fluid {
  max-width: 100% !important;
  padding-left: 0 !important;
  padding-right: 0 !important;
}

.page-shell--wide .container-fluid > .row {
  margin-left: 0 !important;
  margin-right: 0 !important;
}

.page-shell--wide .container-fluid > .row > .col {
  padding-left: 0 !important;
  padding-right: 0 !important;
}

/* Executive page — widen */
.executive-page {
  max-width: 1100px !important;
  margin: 0 auto !important;
  padding: 1rem clamp(1.25rem, 3vw, 2.5rem) 4rem !important;
}


/* ============================================
   2. COMPREHENSIVE DARK MODE FIX
   ============================================ */

/* --- Body-level dark mode (now on body via JS fix) --- */
[data-theme="dark"] {
  --text-primary: #E7E5E4;
  --text-secondary: #a8a29e;
  --text-tertiary: #78716c;
  --surface-white: #1c1917;
  --border-subtle: rgba(231, 229, 228, 0.08);
  --border-medium: rgba(231, 229, 228, 0.15);
}

/* Body AND html background — eliminates white strip below footer */
html[data-theme="dark"] {
  background: #1C1917 !important;
}

body[data-theme="dark"] {
  background: #1C1917 !important;
  color: #E7E5E4;
}

body[data-theme="dark"]::before {
  background:
    radial-gradient(ellipse 80% 50% at 20% 20%, rgba(96, 165, 250, 0.04), transparent),
    radial-gradient(ellipse 60% 40% at 80% 80%, rgba(245, 158, 11, 0.03), transparent),
    radial-gradient(ellipse 50% 50% at 50% 50%, rgba(124, 58, 237, 0.02), transparent);
}

/* Layer-specific dark backgrounds */
body[data-theme="dark"][data-layer="systems"] {
  background: #0B1120 !important;
}

body[data-theme="dark"][data-layer="human"] {
  background: #1A1614 !important;
}

body[data-theme="dark"][data-layer="gateway"],
body[data-theme="dark"][data-layer="both"] {
  background: #1C1917 !important;
}

/* --- Navbar dark mode --- */
[data-theme="dark"] .navbar-custom {
  background: rgba(28, 25, 23, 0.92) !important;
  border-bottom-color: rgba(231, 229, 228, 0.06) !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3) !important;
}

[data-theme="dark"] .navbar-custom.top-nav-short {
  background: rgba(28, 25, 23, 0.96) !important;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4) !important;
}

[data-theme="dark"] .navbar-custom .nav-link {
  color: #f5f5f4 !important;
}

[data-theme="dark"] .navbar-custom .nav-link:hover,
[data-theme="dark"] .navbar-custom .nav-link:focus {
  color: #ffffff !important;
  background: rgba(96, 165, 250, 0.16) !important;
}

[data-theme="dark"] .navbar-custom .nav-link.active {
  color: #bfdbfe !important;
  background: rgba(96, 165, 250, 0.2) !important;
}

[data-theme="dark"] .navbar-brand-text {
  background: linear-gradient(135deg, #E7E5E4 0%, #a8a29e 100%) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
}

[data-theme="dark"] .navbar-custom .dropdown-menu {
  background: rgba(28, 25, 23, 0.96) !important;
  border-color: rgba(231, 229, 228, 0.08) !important;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4) !important;
}

[data-theme="dark"] .navbar-custom .dropdown-item {
  color: #f5f5f4 !important;
}

[data-theme="dark"] .navbar-custom .dropdown-item:hover,
[data-theme="dark"] .navbar-custom .dropdown-item:focus {
  background: rgba(96, 165, 250, 0.16) !important;
  color: #ffffff !important;
}

[data-theme="dark"] .navbar-custom .dropdown-item.active {
  background: rgba(96, 165, 250, 0.2) !important;
  color: #bfdbfe !important;
}

[data-theme="dark"] .navbar-custom .dropdown-toggle::after,
[data-theme="dark"] .navbar-custom .nav-item-search .nav-link {
  color: #f5f5f4 !important;
}

/* --- Page header dark mode --- */
[data-theme="dark"] .intro-header.no-img {
  background: transparent !important;
}

[data-theme="dark"] .intro-header .page-heading h1,
[data-theme="dark"] .intro-header .post-heading h1 {
  color: #E7E5E4 !important;
}

[data-theme="dark"] .intro-header .page-subheading,
[data-theme="dark"] .intro-header .post-subheading {
  color: #a8a29e !important;
}

/* --- Cards dark mode: ALL card types --- */
[data-theme="dark"] .stream-card,
[data-theme="dark"] .case-study-card,
[data-theme="dark"] .monetization-card,
[data-theme="dark"] .engagement-card,
[data-theme="dark"] .authority-card,
[data-theme="dark"] .testimonial-card,
[data-theme="dark"] .exec-card,
[data-theme="dark"] .exec-hero,
[data-theme="dark"] .exec-principle,
[data-theme="dark"] .exec-proof-card,
[data-theme="dark"] .case-study-detail,
[data-theme="dark"] .post-preview,
[data-theme="dark"] .writing-intro,
[data-theme="dark"] .writing-topic-card,
[data-theme="dark"] .writing-item,
[data-theme="dark"] .about-card,
[data-theme="dark"] .about-panel,
[data-theme="dark"] .about-lead,
[data-theme="dark"] .pillar-card,
[data-theme="dark"] .speaking-card,
[data-theme="dark"] .poem-card,
[data-theme="dark"] .code-card,
[data-theme="dark"] .cv-section,
[data-theme="dark"] .engagement-tier,
[data-theme="dark"] .project-card,
[data-theme="dark"] .flagship-project-card,
[data-theme="dark"] .case-study-full,
[data-theme="dark"] .leadership-intro {
  background: rgba(28, 25, 23, 0.9) !important;
  border-color: rgba(231, 229, 228, 0.08) !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25) !important;
}

[data-theme="dark"] .stream-card:hover,
[data-theme="dark"] .case-study-card:hover,
[data-theme="dark"] .monetization-card:hover,
[data-theme="dark"] .exec-card:hover,
[data-theme="dark"] .authority-card:hover,
[data-theme="dark"] .post-preview:hover,
[data-theme="dark"] .writing-topic-card:hover,
[data-theme="dark"] .writing-item:hover,
[data-theme="dark"] .about-card:hover,
[data-theme="dark"] .about-panel:hover,
[data-theme="dark"] .pillar-card:hover,
[data-theme="dark"] .speaking-card:hover,
[data-theme="dark"] .project-card:hover,
[data-theme="dark"] .code-card:hover {
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4) !important;
  border-color: rgba(231, 229, 228, 0.12) !important;
}

/* --- Text colors in dark mode --- */
[data-theme="dark"] h1, [data-theme="dark"] h2,
[data-theme="dark"] h3, [data-theme="dark"] h4,
[data-theme="dark"] h5, [data-theme="dark"] h6 {
  color: #E7E5E4;
}

[data-theme="dark"] p,
[data-theme="dark"] li {
  color: #d6d3d1;
}

[data-theme="dark"] .exec-card h4,
[data-theme="dark"] .exec-principle h4,
[data-theme="dark"] .exec-section-title,
[data-theme="dark"] .stream-card__title a,
[data-theme="dark"] .case-study-card h3,
[data-theme="dark"] .monetization-card h3,
[data-theme="dark"] .post-preview .post-title a,
[data-theme="dark"] .writing-item-title a,
[data-theme="dark"] .about-card h2,
[data-theme="dark"] .about-panel h3,
[data-theme="dark"] .pillar-card .pillar-title,
[data-theme="dark"] .speaking-card h3,
[data-theme="dark"] .cv-role-title,
[data-theme="dark"] .poem-card h2,
[data-theme="dark"] .section-heading {
  color: #E7E5E4 !important;
}

[data-theme="dark"] .exec-card p,
[data-theme="dark"] .exec-lead,
[data-theme="dark"] .exec-note,
[data-theme="dark"] .exec-principle p,
[data-theme="dark"] .case-study-card p,
[data-theme="dark"] .monetization-card p,
[data-theme="dark"] .stream-card__subtitle,
[data-theme="dark"] .writing-lead,
[data-theme="dark"] .writing-item-subtitle,
[data-theme="dark"] .writing-item-excerpt,
[data-theme="dark"] .post-preview .post-subtitle,
[data-theme="dark"] .about-lead p,
[data-theme="dark"] .about-card p,
[data-theme="dark"] .about-panel p,
[data-theme="dark"] .speaking-card p,
[data-theme="dark"] .case-study-detail p,
[data-theme="dark"] .cv-headline,
[data-theme="dark"] .poem-card .poem-body {
  color: rgba(231, 229, 228, 0.78) !important;
}

[data-theme="dark"] .stream-card__date,
[data-theme="dark"] .writing-date,
[data-theme="dark"] .reading-time,
[data-theme="dark"] .post-preview .post-meta,
[data-theme="dark"] .exec-proof-label,
[data-theme="dark"] .authority-label,
[data-theme="dark"] .case-study-meta span,
[data-theme="dark"] .cv-role-meta {
  color: #78716c !important;
}

/* --- Accent colors in dark mode --- */
[data-theme="dark"] .kicker,
[data-theme="dark"] .exec-kicker,
[data-theme="dark"] .case-study-kicker,
[data-theme="dark"] .monetization-label,
[data-theme="dark"] .pillar-number {
  color: #60A5FA !important;
}

[data-theme="dark"] .exec-proof-metric,
[data-theme="dark"] .authority-metric {
  background: linear-gradient(135deg, #60A5FA 0%, #a78bfa 50%, #F59E0B 100%) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
}

[data-theme="dark"] .exec-lead {
  border-left-color: #60A5FA !important;
}

[data-theme="dark"] .project-link {
  color: #60A5FA !important;
}

[data-theme="dark"] .exec-card a {
  color: #60A5FA !important;
}

[data-theme="dark"] .exec-principle-label {
  background: rgba(96, 165, 250, 0.1) !important;
  color: #60A5FA !important;
}

/* --- Writing hub filter tabs dark --- */
[data-theme="dark"] .wf-btn {
  background: rgba(231, 229, 228, 0.06);
  color: #a8a29e;
  border-color: rgba(231, 229, 228, 0.1);
}

[data-theme="dark"] .wf-btn.active {
  background: #2563eb;
  color: white;
  border-color: #2563eb;
}

[data-theme="dark"] .wf-btn:hover:not(.active) {
  background: rgba(231, 229, 228, 0.1);
  color: #E7E5E4;
}

/* --- Writing item badges dark --- */
[data-theme="dark"] .writing-topic-label,
[data-theme="dark"] .content-type-badge {
  color: #60A5FA !important;
}

[data-theme="dark"] .writing-tag {
  background: rgba(96, 165, 250, 0.08) !important;
  color: #60A5FA !important;
  border-color: rgba(96, 165, 250, 0.15) !important;
}

/* --- CV components dark --- */
[data-theme="dark"] .cv-skill-tag,
[data-theme="dark"] .cv-tech-tag,
[data-theme="dark"] .cv-contact-item {
  background: rgba(96, 165, 250, 0.08) !important;
  border-color: rgba(96, 165, 250, 0.15) !important;
  color: #60A5FA !important;
}

[data-theme="dark"] .cv-name {
  background: linear-gradient(135deg, #60A5FA 0%, #a78bfa 50%, #F59E0B 100%) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
}

[data-theme="dark"] .cv-section-title {
  color: #60A5FA !important;
}

[data-theme="dark"] .cv-role-org {
  color: #60A5FA !important;
}

/* --- Newsletter / CTA dark --- */
[data-theme="dark"] .newsletter-cta-inner {
  background: linear-gradient(135deg, rgba(30, 58, 95, 0.4) 0%, rgba(37, 99, 235, 0.12) 100%) !important;
  border-color: rgba(96, 165, 250, 0.12) !important;
}

[data-theme="dark"] .human-layer-cta-inner {
  background: linear-gradient(135deg, rgba(92, 64, 14, 0.2) 0%, rgba(180, 83, 9, 0.08) 100%) !important;
  border-color: rgba(245, 158, 11, 0.12) !important;
}

/* --- Gateway panels dark --- */
[data-theme="dark"] .gateway-panel--systems {
  background: linear-gradient(160deg, #0F172A 0%, #1E293B 100%) !important;
  border-color: rgba(96, 165, 250, 0.15) !important;
}

[data-theme="dark"] .gateway-panel--human {
  background: linear-gradient(160deg, #231F1C 0%, #2D2520 100%) !important;
  border-color: rgba(245, 158, 11, 0.12) !important;
}

[data-theme="dark"] .gateway-panel--human .gateway-panel__title {
  color: #fef3c7 !important;
}

[data-theme="dark"] .gateway-panel--human .gateway-panel__desc {
  color: rgba(254, 243, 199, 0.7) !important;
}

[data-theme="dark"] .gateway-panel--human .gateway-panel__meta-tag {
  background: rgba(245, 158, 11, 0.08) !important;
  border-color: rgba(245, 158, 11, 0.15) !important;
  color: rgba(168, 162, 158, 0.9) !important;
}

[data-theme="dark"] .gateway-scroll {
  color: #78716c !important;
}

/* --- Poem cards dark --- */
[data-theme="dark"] .poem-card {
  background: linear-gradient(180deg, rgba(35, 31, 28, 0.95) 0%, rgba(28, 25, 23, 0.9) 100%) !important;
}

[data-theme="dark"] .poem-card h2 {
  color: #F59E0B !important;
}

/* --- Photo cards dark --- */
[data-theme="dark"] .photo-card {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3) !important;
}

/* --- Blockquote in dark --- */
[data-theme="dark"] article.post-content blockquote {
  background: rgba(37, 99, 235, 0.06) !important;
  border-left-color: #60A5FA !important;
  color: #d6d3d1 !important;
}

[data-theme="dark"] article.post-content code {
  background: rgba(96, 165, 250, 0.1) !important;
  color: #93c5fd !important;
}

/* --- Theme toggle dark --- */
[data-theme="dark"] .theme-toggle {
  background: rgba(28, 25, 23, 0.9) !important;
  border-color: rgba(231, 229, 228, 0.1) !important;
  color: #F59E0B !important;
}

/* --- Search overlay dark --- */
[data-theme="dark"] .search-overlay {
  background: rgba(28, 25, 23, 0.96) !important;
}

/* --- Scrollbar dark --- */
[data-theme="dark"] ::-webkit-scrollbar-thumb {
  background: rgba(231, 229, 228, 0.15);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
  background: rgba(231, 229, 228, 0.25);
}

/* --- Selection dark --- */
[data-theme="dark"] ::selection {
  background: rgba(96, 165, 250, 0.25);
  color: #E7E5E4;
}

/* --- Footer dark mode (WCAG AA+ contrast ratios noted) --- */

/* Layer cards dark */
[data-theme="dark"] .footer-layer-card--systems {
  background: linear-gradient(135deg, rgba(30, 64, 175, 0.18) 0%, rgba(37, 99, 235, 0.10) 50%, rgba(30, 58, 138, 0.14) 100%) !important;
  border-color: rgba(96, 165, 250, 0.15) !important;
}

[data-theme="dark"] .footer-layer-card--systems:hover {
  box-shadow: 0 8px 28px rgba(96, 165, 250, 0.15) !important;
}

[data-theme="dark"] .footer-layer-card--human {
  background: linear-gradient(135deg, rgba(146, 64, 14, 0.16) 0%, rgba(180, 83, 9, 0.10) 50%, rgba(120, 53, 15, 0.12) 100%) !important;
  border-color: rgba(245, 158, 11, 0.15) !important;
  border-top-color: rgba(245, 158, 11, 0.15) !important;
}

[data-theme="dark"] .footer-layer-card--human:hover {
  box-shadow: 0 8px 28px rgba(245, 158, 11, 0.12) !important;
}

/* #93C5FD on dark = 8.1:1 (AAA), #FBBF24 = 10.1:1 (AAA) */
[data-theme="dark"] .footer-layer-card--systems .footer-layer-card__name {
  color: #93C5FD !important;
}

[data-theme="dark"] .footer-layer-card--human .footer-layer-card__name {
  color: #FBBF24 !important;
}

/* #60A5FA on dark = 5.5:1 (AA), #F59E0B = 7.3:1 (AAA) */
[data-theme="dark"] .footer-layer-card--systems .footer-layer-card__tagline {
  color: #60A5FA !important;
}

[data-theme="dark"] .footer-layer-card--human .footer-layer-card__tagline {
  color: #F59E0B !important;
}

[data-theme="dark"] .footer-layer-card--systems .footer-layer-card__cta {
  color: #93C5FD !important;
}

[data-theme="dark"] .footer-layer-card--human .footer-layer-card__cta {
  color: #FBBF24 !important;
}

[data-theme="dark"] .footer-layer-card--systems .footer-layer-card__dot {
  background: #60A5FA;
  box-shadow: 0 0 10px rgba(96, 165, 250, 0.5);
}

[data-theme="dark"] .footer-layer-card--human .footer-layer-card__dot {
  background: #F59E0B;
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.5);
}

[data-theme="dark"] .footer-layer-card--systems .footer-layer-card__img {
  filter: drop-shadow(0 8px 20px rgba(96, 165, 250, 0.25));
}

[data-theme="dark"] .footer-layer-card--human .footer-layer-card__img {
  filter: drop-shadow(0 8px 20px rgba(245, 158, 11, 0.25));
}

/* Inner shell dark */
[data-theme="dark"] .footer-shell {
  background: linear-gradient(180deg, rgba(28, 25, 23, 0.97), rgba(28, 25, 23, 0.92)) !important;
  border-color: rgba(231, 229, 228, 0.08) !important;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.2) !important;
}

/* #E7E5E4 on dark = 12.6:1 */
[data-theme="dark"] .footer-brand-name {
  background: linear-gradient(135deg, #E7E5E4 0%, #D6D3D1 100%) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
}

/* #A8A29E on dark = 5.4:1 (AA) */
[data-theme="dark"] .footer-brand-tagline {
  color: #A8A29E !important;
}

[data-theme="dark"] .footer-top,
[data-theme="dark"] .footer-nav {
  border-bottom-color: rgba(231, 229, 228, 0.07) !important;
}

/* Social icons dark — #D6D3D1 = 10.4:1 */
[data-theme="dark"] .footer-social__link {
  background: rgba(231, 229, 228, 0.06) !important;
  border-color: rgba(231, 229, 228, 0.1) !important;
  color: #D6D3D1 !important;
}

[data-theme="dark"] .footer-social__link:hover {
  background: rgba(231, 229, 228, 0.12) !important;
  border-color: rgba(231, 229, 228, 0.2) !important;
  color: #F5F5F4 !important;
}

/* Nav headings dark */
[data-theme="dark"] .footer-nav-heading {
  color: #A8A29E !important;
}

[data-theme="dark"] .footer-nav-heading--systems {
  color: #93C5FD !important;
}

[data-theme="dark"] .footer-nav-heading--human {
  color: #FBBF24 !important;
}

/* #D6D3D1 = 10.4:1 */
[data-theme="dark"] .footer-nav-group a {
  color: #D6D3D1 !important;
}

[data-theme="dark"] .footer-nav-heading--systems ~ a:hover {
  color: #93C5FD !important;
}

[data-theme="dark"] .footer-nav-heading--human ~ a:hover {
  color: #FBBF24 !important;
}

/* Copyright dark — #A8A29E = 5.4:1 (AA) */
[data-theme="dark"] .footer-copyright,
[data-theme="dark"] .footer-copyright a {
  color: #A8A29E !important;
}

[data-theme="dark"] .footer-copyright a:hover {
  color: #FBBF24 !important;
}

[data-theme="dark"] .footer-layer-sig {
  color: #78716C !important;
}

/* --- Testimonials dark --- */
[data-theme="dark"] .testimonial-quote {
  color: #d6d3d1 !important;
}

[data-theme="dark"] .testimonial-name {
  color: #E7E5E4 !important;
}

[data-theme="dark"] .testimonial-role,
[data-theme="dark"] .testimonial-relation {
  color: #a8a29e !important;
}

[data-theme="dark"] .testimonial-quality {
  background: rgba(96, 165, 250, 0.08) !important;
  color: #a78bfa !important;
  border-color: rgba(167, 139, 250, 0.15) !important;
}

[data-theme="dark"] .testimonials-btn--side {
  color: #a8a29e !important;
  border-color: rgba(231, 229, 228, 0.1) !important;
  background: rgba(28, 25, 23, 0.8) !important;
}

[data-theme="dark"] .testimonials-btn--side:hover {
  color: #E7E5E4 !important;
  border-color: rgba(231, 229, 228, 0.2) !important;
}

/* --- Metric highlight badges dark --- */
[data-theme="dark"] .metric-highlight {
  background: rgba(96, 165, 250, 0.1) !important;
  color: #60A5FA !important;
}

[data-theme="dark"] .case-study-meta span {
  background: rgba(96, 165, 250, 0.06) !important;
  border-color: rgba(96, 165, 250, 0.1) !important;
}


/* ============================================
   3. PAGE PATTERNS — Fill Empty Space
   ============================================ */

/* Executive pages (contact, speaking, leadership, case-studies) — add visual patterns */
.executive-page::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.04), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* Add pattern overlay to executive page */
.executive-page {
  position: relative;
}

/* Add systems dot pattern to Systems layer pages */
body[data-layer="systems"] .executive-page::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(37, 99, 235, 0.04) 1px, transparent 1px),
    radial-gradient(circle at 100% 100%, rgba(37, 99, 235, 0.03), transparent 40%);
  background-size: 24px 24px, 100% 100%;
  mask-image: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.3) 20%, rgba(0,0,0,0.3) 80%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.3) 20%, rgba(0,0,0,0.3) 80%, transparent 100%);
  pointer-events: none;
  opacity: 0.5;
}

/* Add warm dot pattern to Human layer pages */
body[data-layer="human"] .executive-page::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(180, 83, 9, 0.03) 1.5px, transparent 1.5px);
  background-size: 26px 26px;
  mask-image: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.3) 15%, rgba(0,0,0,0.3) 85%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.3) 15%, rgba(0,0,0,0.3) 85%, transparent 100%);
  pointer-events: none;
  opacity: 0.5;
}

/* Both/Gateway pattern */
body[data-layer="both"] .executive-page::before,
body[data-layer="gateway"] .executive-page::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(37, 99, 235, 0.03) 1px, transparent 1px),
    radial-gradient(circle, rgba(180, 83, 9, 0.02) 1px, transparent 1px);
  background-size: 28px 28px, 42px 42px;
  background-position: 0 0, 14px 14px;
  mask-image: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.25) 15%, rgba(0,0,0,0.25) 85%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.25) 15%, rgba(0,0,0,0.25) 85%, transparent 100%);
  pointer-events: none;
  opacity: 0.5;
}

/* Writing hub pattern */
.writing-hub {
  position: relative;
}

.writing-hub::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(37, 99, 235, 0.025) 1px, transparent 1px),
    radial-gradient(circle, rgba(180, 83, 9, 0.02) 1px, transparent 1px);
  background-size: 30px 30px, 45px 45px;
  background-position: 0 0, 15px 15px;
  mask-image: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.3) 10%, rgba(0,0,0,0.3) 90%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.3) 10%, rgba(0,0,0,0.3) 90%, transparent 100%);
  pointer-events: none;
  opacity: 0.4;
}

/* Reduce dead space between sections on exec pages */
.exec-section + .exec-section {
  margin-top: -0.5rem;
}

.exec-hero + .exec-proof-band {
  margin-top: -1rem;
}


/* ============================================
   4. CARD UPGRADES — Match Homepage Quality
   ============================================ */

/* --- Executive cards: Add accent stripe, pattern, premium feel --- */
.exec-card {
  position: relative !important;
  overflow: hidden !important;
}

/* Gradient accent stripe on top of exec cards */
.exec-card::before {
  content: '' !important;
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  height: 3px !important;
  background: linear-gradient(135deg, #2563eb 0%, #7c3aed 50%, #b45309 100%) !important;
  opacity: 0 !important;
  transition: opacity 0.3s ease !important;
}

.exec-card:hover::before {
  opacity: 1 !important;
}

/* Decorative glow on cards */
.exec-card::after {
  content: '' !important;
  position: absolute !important;
  bottom: -2.5rem !important;
  right: -2.5rem !important;
  width: 8rem !important;
  height: 8rem !important;
  border-radius: 50% !important;
  pointer-events: none !important;
  opacity: 0.5 !important;
  transition: opacity 0.3s ease !important;
}

body[data-layer="systems"] .exec-card::after {
  background: radial-gradient(circle, rgba(37, 99, 235, 0.06), transparent 70%) !important;
}

body[data-layer="human"] .exec-card::after {
  background: radial-gradient(circle, rgba(180, 83, 9, 0.05), transparent 70%) !important;
}

body[data-layer="both"] .exec-card::after,
body[data-layer="gateway"] .exec-card::after {
  background: radial-gradient(circle, rgba(124, 58, 237, 0.04), transparent 70%) !important;
}

.exec-card:hover::after {
  opacity: 1 !important;
}

/* --- Layer-specific card accent stripes --- */
body[data-layer="systems"] .exec-card::before {
  background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 50%, #3b82f6 100%) !important;
}

body[data-layer="human"] .exec-card::before {
  background: linear-gradient(135deg, #92400e 0%, #b45309 50%, #d97706 100%) !important;
}

/* Exec card titles — use display font */
.exec-card h4 {
  font-family: var(--font-display, 'Playfair Display', Georgia, serif) !important;
  font-size: 1.08rem !important;
  font-weight: 700 !important;
  letter-spacing: -0.02em !important;
  margin-bottom: 0.6rem !important;
}

body[data-layer="human"] .exec-card h4 {
  font-family: var(--font-human, 'Cormorant Garamond', Georgia, serif) !important;
  font-size: 1.15rem !important;
  font-weight: 600 !important;
}

/* --- Case study detail cards: more visual --- */
.case-study-detail {
  position: relative !important;
  overflow: hidden !important;
}

.case-study-detail::before {
  content: '' !important;
  position: absolute !important;
  inset: 0 !important;
  background-image: radial-gradient(circle, rgba(37, 99, 235, 0.025) 1px, transparent 1px) !important;
  background-size: 24px 24px !important;
  pointer-events: none !important;
  opacity: 0.4 !important;
}

.case-study-detail::after {
  content: '' !important;
  position: absolute !important;
  top: -40px !important;
  right: -40px !important;
  width: 160px !important;
  height: 160px !important;
  border-radius: 50% !important;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.06), transparent 70%) !important;
  pointer-events: none !important;
}

/* --- Exec hero card: add pattern --- */
.exec-hero {
  position: relative !important;
  overflow: hidden !important;
}

.exec-hero::before {
  content: '' !important;
  position: absolute !important;
  inset: 0 !important;
  pointer-events: none !important;
}

body[data-layer="systems"] .exec-hero::before {
  background-image:
    linear-gradient(90deg, rgba(37, 99, 235, 0.03) 1px, transparent 1px),
    linear-gradient(0deg, rgba(37, 99, 235, 0.03) 1px, transparent 1px) !important;
  background-size: 40px 40px !important;
  mask-image: linear-gradient(135deg, rgba(0,0,0,0.3) 30%, transparent 70%) !important;
  -webkit-mask-image: linear-gradient(135deg, rgba(0,0,0,0.3) 30%, transparent 70%) !important;
  opacity: 0.6 !important;
}

body[data-layer="human"] .exec-hero::before {
  background-image: radial-gradient(circle, rgba(180, 83, 9, 0.03) 1.5px, transparent 1.5px) !important;
  background-size: 26px 26px !important;
  opacity: 0.4 !important;
}

body[data-layer="both"] .exec-hero::before {
  background-image:
    radial-gradient(circle, rgba(37, 99, 235, 0.02) 1px, transparent 1px),
    radial-gradient(circle, rgba(180, 83, 9, 0.015) 1px, transparent 1px) !important;
  background-size: 28px 28px, 42px 42px !important;
  background-position: 0 0, 14px 14px !important;
  opacity: 0.4 !important;
}

/* Exec hero also gets a glow */
.exec-hero::after {
  content: '' !important;
  position: absolute !important;
  bottom: -50px !important;
  right: -50px !important;
  width: 200px !important;
  height: 200px !important;
  border-radius: 50% !important;
  pointer-events: none !important;
}

body[data-layer="systems"] .exec-hero::after {
  background: radial-gradient(circle, rgba(37, 99, 235, 0.08), transparent 70%) !important;
}

body[data-layer="human"] .exec-hero::after {
  background: radial-gradient(circle, rgba(180, 83, 9, 0.06), transparent 70%) !important;
}

/* --- Proof band cards: add gradient border on hover --- */
.exec-proof-card {
  position: relative !important;
  overflow: hidden !important;
}

.exec-proof-card::before {
  content: '' !important;
  position: absolute !important;
  bottom: 0 !important;
  left: 0 !important;
  right: 0 !important;
  height: 3px !important;
  opacity: 0 !important;
  transition: opacity 0.3s ease !important;
}

body[data-layer="systems"] .exec-proof-card::before {
  background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 100%) !important;
}

body[data-layer="human"] .exec-proof-card::before {
  background: linear-gradient(135deg, #92400e 0%, #d97706 100%) !important;
}

.exec-proof-card:hover::before {
  opacity: 1 !important;
}

/* --- Writing page cards: upgrade writing-topic-card and writing-item --- */
.writing-topic-card {
  position: relative !important;
  overflow: hidden !important;
  padding: 1.5rem !important;
  border-radius: 20px !important;
  background: white !important;
  border: 1px solid rgba(0, 0, 0, 0.06) !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02) !important;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.writing-topic-card:hover {
  transform: translateY(-4px) !important;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08) !important;
}

.writing-topic-card::before {
  content: '' !important;
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  height: 3px !important;
  background: linear-gradient(135deg, #2563eb 0%, #7c3aed 50%, #b45309 100%) !important;
  opacity: 0 !important;
  transition: opacity 0.3s ease !important;
}

.writing-topic-card:hover::before {
  opacity: 1 !important;
}

.writing-topic-card strong {
  font-family: var(--font-display, 'Playfair Display', Georgia, serif) !important;
  font-size: 1.05rem !important;
  display: block !important;
  margin-bottom: 0.4rem !important;
}

/* Writing items: premium list look */
.writing-item {
  position: relative !important;
  overflow: hidden !important;
  padding: 1.5rem 1.75rem !important;
  border-radius: 20px !important;
  background: white !important;
  border: 1px solid rgba(0, 0, 0, 0.06) !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02) !important;
  margin-bottom: 1rem !important;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.writing-item:hover {
  transform: translateY(-3px) !important;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08) !important;
  border-color: rgba(0, 0, 0, 0.1) !important;
}

.writing-item::after {
  content: '' !important;
  position: absolute !important;
  bottom: 0 !important;
  left: 0 !important;
  right: 0 !important;
  height: 3px !important;
  background: linear-gradient(135deg, #2563eb 0%, #7c3aed 50%, #b45309 100%) !important;
  opacity: 0 !important;
  transition: opacity 0.3s ease !important;
}

.writing-item:hover::after {
  opacity: 1 !important;
}

/* --- Principles section cards: add number accent --- */
.exec-principle {
  position: relative !important;
  overflow: hidden !important;
}

.exec-principle::before {
  content: '' !important;
  position: absolute !important;
  left: 0 !important;
  top: 0 !important;
  bottom: 0 !important;
  width: 3px !important;
  opacity: 0 !important;
  transition: opacity 0.3s ease !important;
}

body[data-layer="systems"] .exec-principle::before {
  background: linear-gradient(180deg, #2563eb, #60A5FA) !important;
}

body[data-layer="human"] .exec-principle::before {
  background: linear-gradient(180deg, #b45309, #F59E0B) !important;
}

.exec-principle:hover::before {
  opacity: 1 !important;
}


/* ============================================
   5. RESPONSIVE — Footer & New Components
   ============================================ */

@media (max-width: 768px) {
  .footer-layer-card {
    padding: 1rem 1.5rem;
  }

  .footer-layer-card__img {
    max-width: 100px;
    max-height: 60px;
  }

  .footer-layer-card__name {
    font-size: 1.1rem;
  }
}

@media (max-width: 640px) {
  .site-footer {
    padding: 0 0.75rem 1.5rem;
  }

  .footer-layer-card {
    padding: 0.9rem 1.25rem;
    border-radius: 16px 16px 0 0;
  }

  .footer-layer-card--human {
    border-radius: 0;
  }

  .footer-layer-card__img {
    max-width: 80px;
    max-height: 50px;
  }

  .footer-shell {
    padding: 1.25rem 1.5rem 1.5rem;
    border-radius: 0 0 16px 16px;
  }

  .footer-top {
    flex-direction: column;
    gap: 1rem;
  }

  .footer-social {
    margin-top: 0.75rem;
  }

  .footer-nav {
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }
}

@media (max-width: 480px) {
  .footer-layer-card {
    flex-direction: row;
    padding: 0.85rem 1rem;
    gap: 1rem;
  }

  .footer-layer-card--systems {
    border-radius: 14px 14px 0 0;
  }

  .footer-layer-card__name {
    font-size: 1rem;
  }

  .footer-layer-card__tagline {
    font-size: 0.78rem;
  }

  .footer-layer-card__img {
    max-width: 64px;
    max-height: 44px;
  }

  .footer-nav {
    grid-template-columns: 1fr;
  }

  .footer-shell {
    padding: 1rem 1.25rem 1.25rem;
    border-radius: 0 0 14px 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .footer-social__link,
  .footer-layer-card,
  .footer-layer-card__img {
    transition: none;
  }
}

/* ============================================
   ERROR PAGES — 404 & 500
   ============================================ */

.error-page {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 55vh;
  padding: 3rem 1.5rem 4rem;
  overflow: hidden;
  cursor: crosshair;
}

/* Interactive canvas background */
.error-game-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* Game score display */
.error-game__score {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--text-muted, #78716C);
  margin-bottom: 1.75rem;
  opacity: 0.7;
  transition: opacity 0.3s;
}

.error-game__score span {
  font-weight: 700;
  color: var(--accent-color, #7c3aed);
}

.error-game__score--repair span {
  color: #2563eb;
}

[data-theme="dark"] .error-game__score { color: #a8a29e; }
[data-theme="dark"] .error-game__score span { color: #a78bfa; }
[data-theme="dark"] .error-game__score--repair span { color: #60A5FA; }

/* Content */
.error-page__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 600px;
}

.error-page__code {
  display: block;
  font-family: var(--font-display, 'Playfair Display', Georgia, serif);
  font-size: clamp(5rem, 12vw, 9rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  background: linear-gradient(135deg, #2563eb 0%, #7c3aed 40%, #b45309 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
  opacity: 0.85;
}

.error-page__code--500 {
  background: linear-gradient(135deg, #dc2626 0%, #b45309 50%, #7c3aed 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

.error-page__title {
  font-family: var(--font-display, 'Playfair Display', Georgia, serif);
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  font-weight: 700;
  color: var(--text-primary, #1C1917);
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin: 0 0 0.75rem;
}

.error-page__subtitle {
  font-family: var(--font-body, 'Source Serif Pro', Georgia, serif);
  font-size: 1rem;
  color: var(--text-muted, #78716C);
  line-height: 1.6;
  margin: 0 auto 2.25rem;
  max-width: 480px;
}

/* Layer cards */
.error-page__layers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 2.25rem;
}

.error-page__layer-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding: 1.25rem 1rem;
  border-radius: 14px;
  text-decoration: none;
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  border: 1px solid transparent;
}

.error-page__layer-card--systems {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.06) 0%, rgba(59, 130, 246, 0.1) 100%);
  border-color: rgba(37, 99, 235, 0.1);
}

.error-page__layer-card--systems:hover {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(59, 130, 246, 0.16) 100%);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.12);
}

.error-page__layer-card--human {
  background: linear-gradient(135deg, rgba(180, 83, 9, 0.06) 0%, rgba(217, 119, 6, 0.1) 100%);
  border-color: rgba(180, 83, 9, 0.1);
}

.error-page__layer-card--human:hover {
  background: linear-gradient(135deg, rgba(180, 83, 9, 0.1) 0%, rgba(217, 119, 6, 0.16) 100%);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(180, 83, 9, 0.12);
}

.error-page__layer-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.error-page__layer-dot--systems { background: #2563eb; }
.error-page__layer-dot--human { background: #b45309; }

.error-page__layer-name {
  font-family: var(--font-ui, 'Inter', sans-serif);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary, #1C1917);
  letter-spacing: -0.01em;
}

.error-page__layer-desc {
  font-family: var(--font-body, 'Source Serif Pro', Georgia, serif);
  font-size: 0.78rem;
  color: var(--text-muted, #78716C);
}

/* Action buttons (500 page) */
.error-page__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.error-page__btn {
  display: inline-flex;
  align-items: center;
  padding: 0.65rem 1.4rem;
  border-radius: 999px;
  font-family: var(--font-ui, 'Inter', sans-serif);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  border: none;
}

.error-page__btn--primary {
  background: var(--accent-color, #2563EB);
  color: #fff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
}

.error-page__btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
  background: #3b82f6;
}

.error-page__btn--secondary {
  background: transparent;
  color: var(--text-muted, #78716C);
  border: 1px solid rgba(22, 19, 17, 0.12);
}

.error-page__btn--secondary:hover {
  color: var(--text-primary, #1C1917);
  border-color: rgba(22, 19, 17, 0.25);
  background: rgba(22, 19, 17, 0.03);
}

/* Quick nav */
.error-page__nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.error-page__nav a {
  font-family: var(--font-ui, 'Inter', sans-serif);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-muted, #78716C);
  text-decoration: none;
  padding: 0.35rem 0.6rem;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.error-page__nav a:hover {
  color: var(--accent-color, #2563EB);
  background: rgba(37, 99, 235, 0.06);
}

.error-page__nav-sep {
  color: rgba(22, 19, 17, 0.15);
  font-size: 0.75rem;
}

/* Error pages — dark mode */
[data-theme="dark"] .error-page__code {
  background: linear-gradient(135deg, #60A5FA 0%, #A78BFA 40%, #F59E0B 100%);
  -webkit-background-clip: text;
  background-clip: text;
  opacity: 0.9;
}

[data-theme="dark"] .error-page__code--500 {
  background: linear-gradient(135deg, #f87171 0%, #F59E0B 50%, #A78BFA 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

[data-theme="dark"] .error-page__title { color: #f5f5f4; }
[data-theme="dark"] .error-page__subtitle { color: #a8a29e; }

/* Canvas handles dark mode colors via JS */

[data-theme="dark"] .error-page__layer-card--systems {
  background: linear-gradient(135deg, rgba(96, 165, 250, 0.08) 0%, rgba(59, 130, 246, 0.14) 100%);
  border-color: rgba(96, 165, 250, 0.12);
}

[data-theme="dark"] .error-page__layer-card--systems:hover {
  background: linear-gradient(135deg, rgba(96, 165, 250, 0.14) 0%, rgba(59, 130, 246, 0.2) 100%);
  box-shadow: 0 8px 24px rgba(96, 165, 250, 0.15);
}

[data-theme="dark"] .error-page__layer-card--human {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.08) 0%, rgba(217, 119, 6, 0.14) 100%);
  border-color: rgba(245, 158, 11, 0.12);
}

[data-theme="dark"] .error-page__layer-card--human:hover {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.14) 0%, rgba(217, 119, 6, 0.2) 100%);
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.15);
}

[data-theme="dark"] .error-page__layer-name { color: #f5f5f4; }
[data-theme="dark"] .error-page__layer-desc { color: #a8a29e; }
[data-theme="dark"] .error-page__nav a { color: #a8a29e; }

[data-theme="dark"] .error-page__nav a:hover {
  color: #60A5FA;
  background: rgba(96, 165, 250, 0.08);
}

[data-theme="dark"] .error-page__nav-sep { color: rgba(231, 229, 228, 0.12); }

[data-theme="dark"] .error-page__btn--primary { background: #2563eb; }

[data-theme="dark"] .error-page__btn--secondary {
  color: #a8a29e;
  border-color: rgba(231, 229, 228, 0.12);
}

[data-theme="dark"] .error-page__btn--secondary:hover {
  color: #f5f5f4;
  border-color: rgba(231, 229, 228, 0.25);
  background: rgba(231, 229, 228, 0.05);
}

/* Error pages — mobile */
@media (max-width: 480px) {
  .error-page__layers { grid-template-columns: 1fr; }
  .error-page { min-height: 50vh; padding: 2rem 1rem 3rem; }
}

/* Error pages — reduced motion */
@media (prefers-reduced-motion: reduce) {
  .error-game-canvas { display: none; }
  .error-page { cursor: default; }
  .error-game__score { display: none; }
  .error-page__layer-card:hover,
  .error-page__btn:hover { transform: none; }
}


/* ============================================
   P5: DARK MODE FIXES — thin pages
   ============================================ */

/* Newsletter/writing archive cards dark */
[data-theme="dark"] .layer-archive__card {
  background: rgba(28, 25, 23, 0.88);
  border-color: rgba(231, 229, 228, 0.08);
}

[data-theme="dark"] .layer-archive__card--systems {
  border-left-color: rgba(96, 165, 250, 0.3);
}

[data-theme="dark"] .layer-archive__card--human {
  border-left-color: rgba(245, 158, 11, 0.3);
}

[data-theme="dark"] .writing-item-title a {
  color: #E7E5E4 !important;
}

[data-theme="dark"] .writing-item-subtitle,
[data-theme="dark"] .writing-item-excerpt {
  color: #A8A29E !important;
}

[data-theme="dark"] .layer-archive__chip {
  background: rgba(231, 229, 228, 0.06);
  border-color: rgba(231, 229, 228, 0.1);
  color: #A8A29E;
}

[data-theme="dark"] .layer-archive__about p {
  color: #A8A29E !important;
}

/* Newsletter CTA sections dark (cross-page) */
[data-theme="dark"] .human-layer-cta-inner {
  background: linear-gradient(135deg, rgba(180, 83, 9, 0.06) 0%, rgba(28, 25, 23, 0.9) 100%);
  border-color: rgba(245, 158, 11, 0.15);
}

/* Now page markdown dark */
[data-theme="dark"] .page-shell--standard h2,
[data-theme="dark"] .page-shell--standard h3 {
  color: #E7E5E4;
}

/* Writing tag pills dark */
[data-theme="dark"] .writing-tag {
  background: rgba(231, 229, 228, 0.06);
  border-color: rgba(231, 229, 228, 0.1);
  color: #A8A29E;
}

[data-theme="dark"] .writing-tag:hover {
  background: rgba(96, 165, 250, 0.1);
  color: #93C5FD;
}

/* Content type badges dark */
[data-theme="dark"] .content-type-badge {
  background: rgba(231, 229, 228, 0.06);
  color: #A8A29E;
}

[data-theme="dark"] .badge-newsletter {
  background: rgba(96, 165, 250, 0.1);
  color: #93C5FD;
}

[data-theme="dark"] .badge-reflection {
  background: rgba(245, 158, 11, 0.1);
  color: #FBBF24;
}


/* ============================================
   LAYER ACCENT BAR — top of every page shell
   ============================================ */

.page-shell::before {
  content: '';
  display: block;
  height: 3px;
  margin: 0 0 0;
  border-radius: 0 0 2px 2px;
}

[data-layer="systems"] .page-shell::before {
  background: linear-gradient(90deg, #2563eb, #3b82f6);
}

[data-layer="human"] .page-shell::before {
  background: linear-gradient(90deg, #d97706, #b45309);
}

[data-layer="both"] .page-shell::before,
[data-layer="gateway"] .page-shell::before {
  background: linear-gradient(90deg, #2563eb 0%, #3b82f6 45%, #d97706 55%, #b45309 100%);
}

[data-theme="dark"][data-layer="systems"] .page-shell::before {
  background: linear-gradient(90deg, #60A5FA, #3B82F6);
}

[data-theme="dark"][data-layer="human"] .page-shell::before {
  background: linear-gradient(90deg, #FBBF24, #F59E0B);
}

[data-theme="dark"][data-layer="both"] .page-shell::before,
[data-theme="dark"][data-layer="gateway"] .page-shell::before {
  background: linear-gradient(90deg, #60A5FA 0%, #3B82F6 45%, #FBBF24 55%, #F59E0B 100%);
}


/* ============================================
   MARGIN CANVAS — Layer Flow ambient particles
   ============================================ */

.margin-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

@media (max-width: 768px) {
  .margin-canvas { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .margin-canvas { display: none; }
}