/* ================================================================
   Skymeba site — design tokens + components
   Palette echoes the Print Edition book cover:
     navy #0B1F35 / #0F2A44, gold #C6A15B, cream #FDFCF8, ink #1E2530
   ================================================================ */

:root,
[data-theme='light'] {
  /* Surfaces */
  --color-bg: #FDFCF8;               /* cream page */
  --color-surface: #FFFFFF;
  --color-surface-2: #F5F1E6;        /* warm sand for section bands */
  --color-surface-3: #EDE7D6;

  /* Deep navy family */
  --color-navy: #0B1F35;
  --color-navy-2: #0F2A44;
  --color-navy-3: #16375A;

  /* Text */
  --color-text: #1E2530;
  --color-text-muted: #566072;
  --color-text-faint: #8C93A1;
  --color-text-inverse: #FDFCF8;

  /* Accents */
  --color-gold: #C6A15B;
  --color-gold-hover: #B48A3F;
  --color-gold-soft: rgba(198, 161, 91, 0.16);
  --color-rule: #C9C3B4;

  /* Semantic */
  --color-primary: var(--color-navy-2);
  --color-primary-hover: var(--color-navy);
  --color-danger: #A13544;
  --color-ok: #4A7A2B;

  /* Type */
  --font-display: 'EB Garamond', 'Source Serif 4', Georgia, serif;
  --font-body: 'Source Sans 3', 'Source Sans Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --text-xs: clamp(0.75rem, 0.7rem + 0.2vw, 0.85rem);
  --text-sm: clamp(0.875rem, 0.83rem + 0.25vw, 0.98rem);
  --text-base: clamp(1rem, 0.96rem + 0.2vw, 1.09rem);
  --text-lg: clamp(1.125rem, 1.05rem + 0.4vw, 1.35rem);
  --text-xl: clamp(1.5rem, 1.3rem + 1vw, 2.1rem);
  --text-2xl: clamp(2rem, 1.4rem + 2.2vw, 3.25rem);
  --text-hero: clamp(2.75rem, 1.8rem + 4vw, 5.5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Layout */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1160px;
  --content-full: 100%;

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Motion */
  --transition-interactive: 220ms cubic-bezier(0.2, 0.7, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(11, 31, 53, 0.05);
  --shadow-md: 0 6px 24px rgba(11, 31, 53, 0.08);
  --shadow-lg: 0 24px 48px rgba(11, 31, 53, 0.14);
}

[data-theme='dark'] {
  --color-bg: #0A1A2E;
  --color-surface: #0F2439;
  --color-surface-2: #142B44;
  --color-surface-3: #1A3452;
  --color-text: #E9E3D3;
  --color-text-muted: #A9B0BF;
  --color-text-faint: #6B7484;
  --color-text-inverse: #0A1A2E;
  --color-gold: #E0BF7A;
  --color-gold-hover: #F1D28F;
  --color-gold-soft: rgba(224, 191, 122, 0.14);
  --color-rule: #26456A;
  --color-primary: var(--color-gold);
  --color-primary-hover: var(--color-gold-hover);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.42);
  --shadow-lg: 0 24px 48px rgba(0, 0, 0, 0.55);
}

/* =========================================================
   Layout primitives
   ========================================================= */

.container {
  width: min(100% - 2rem, var(--content-wide));
  margin-inline: auto;
}
.container-narrow { width: min(100% - 2rem, var(--content-narrow)); margin-inline: auto; }
.container-default { width: min(100% - 2rem, var(--content-default)); margin-inline: auto; }

section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-3);
}

.rule-gold {
  width: 3.5rem;
  height: 2px;
  background: var(--color-gold);
  border: 0;
  margin: var(--space-4) 0 var(--space-6);
}

.rule-navy {
  width: 4rem;
  height: 3px;
  background: var(--color-navy);
  border: 0;
  margin: 0 0 var(--space-4);
}

.lede {
  font-size: var(--text-lg);
  line-height: 1.55;
  color: var(--color-text-muted);
  max-width: 60ch;
}

.small {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* =========================================================
   Header
   ========================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: color-mix(in oklab, var(--color-bg) 92%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid color-mix(in oklab, var(--color-rule) 70%, transparent);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4rem;
  padding-block: var(--space-3);
  gap: var(--space-5);
}

@media (min-width: 1200px) {
  .site-header .container { gap: var(--space-6); }
  .main-nav { gap: var(--space-5); }
  .main-nav a { font-size: var(--text-sm); }
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-navy);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
  letter-spacing: -0.01em;
}
[data-theme='dark'] .brand { color: var(--color-text); }

.brand-mark {
  width: 2rem;
  height: 2rem;
  color: var(--color-gold);
  flex-shrink: 0;
}

.brand-logo {
  height: 44px;
  width: auto;
  display: block;
}
.site-footer .brand-logo { height: 48px; }
[data-theme='dark'] .site-header .brand-logo {
  /* the light-bg logo is dark ink; invert for dark UI */
  filter: invert(1) hue-rotate(180deg) brightness(1.05);
}

.brand-name {
  display: inline-flex;
  flex-direction: column;
  line-height: 1;
}
.brand-name span {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-wrap: nowrap;
}
.main-nav a {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-text);
  text-decoration: none;
  padding: var(--space-2) 0;
  position: relative;
  white-space: nowrap;
}
.main-nav a[aria-current='page'],
.main-nav a:hover {
  color: var(--color-navy);
}
[data-theme='dark'] .main-nav a[aria-current='page'],
[data-theme='dark'] .main-nav a:hover { color: var(--color-gold); }
.main-nav a[aria-current='page']::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  background: var(--color-gold);
}

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

[data-theme-toggle] {
  width: 2.25rem;
  height: 2.25rem;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}
[data-theme-toggle]:hover {
  color: var(--color-navy);
  border-color: var(--color-gold);
}
[data-theme='dark'] [data-theme-toggle]:hover { color: var(--color-gold); }

.nav-toggle {
  display: none;
  width: 2.25rem;
  height: 2.25rem;
  align-items: center;
  justify-content: center;
  color: var(--color-navy);
}
[data-theme='dark'] .nav-toggle { color: var(--color-text); }

/* =========================================================
   Buttons
   ========================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.85rem 1.4rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  line-height: 1;
  white-space: nowrap;
}
.btn svg { width: 1rem; height: 1rem; }

.btn-primary {
  background: var(--color-navy);
  color: var(--color-text-inverse);
  border-color: var(--color-navy);
}
.btn-primary:hover {
  background: var(--color-navy-3);
  border-color: var(--color-navy-3);
  transform: translateY(-1px);
}
[data-theme='dark'] .btn-primary {
  background: var(--color-gold);
  color: var(--color-navy);
  border-color: var(--color-gold);
}
[data-theme='dark'] .btn-primary:hover {
  background: var(--color-gold-hover);
  border-color: var(--color-gold-hover);
}

.btn-ghost {
  background: transparent;
  color: var(--color-navy);
  border-color: var(--color-rule);
}
.btn-ghost:hover {
  border-color: var(--color-gold);
  color: var(--color-navy);
}
[data-theme='dark'] .btn-ghost {
  color: var(--color-text);
  border-color: var(--color-rule);
}
[data-theme='dark'] .btn-ghost:hover { color: var(--color-gold); }

.btn-gold {
  background: var(--color-gold);
  color: var(--color-navy);
  border-color: var(--color-gold);
}
.btn-gold:hover {
  background: var(--color-gold-hover);
  border-color: var(--color-gold-hover);
  transform: translateY(-1px);
}

/* =========================================================
   Hero
   ========================================================= */

.hero {
  position: relative;
  background:
    radial-gradient(ellipse at 78% 25%, rgba(198, 161, 91, 0.18), transparent 55%),
    linear-gradient(180deg, var(--color-navy) 0%, var(--color-navy-2) 100%);
  color: var(--color-text-inverse);
  overflow: hidden;
  padding-block: clamp(var(--space-24), 12vw, var(--space-32));
}

.hero-bg {
  position: absolute;
  inset: 0;
  opacity: 0.4;
  pointer-events: none;
  background-image: url('../assets/hex-constellation.svg');
  background-repeat: no-repeat;
  background-position: right top;
  background-size: min(1200px, 130%);
}

.hero .container {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

.hero-eyebrow {
  color: var(--color-gold);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-hero);
  line-height: 1.05;
  max-width: 18ch;
  color: #fff;
}

.hero .lede {
  color: rgba(253, 252, 248, 0.82);
  font-size: var(--text-lg);
  max-width: 58ch;
}

.hero-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-4);
}

.hero-actions .btn-primary {
  background: var(--color-gold);
  color: var(--color-navy);
  border-color: var(--color-gold);
}
.hero-actions .btn-primary:hover {
  background: var(--color-gold-hover);
  border-color: var(--color-gold-hover);
}
.hero-actions .btn-ghost {
  color: #FDFCF8;
  border-color: rgba(253, 252, 248, 0.35);
  background: transparent;
}
.hero-actions .btn-ghost:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  background: transparent;
}
[data-theme='dark'] .hero-actions .btn-ghost {
  color: #FDFCF8;
  border-color: rgba(253, 252, 248, 0.35);
}
[data-theme='dark'] .hero-actions .btn-ghost:hover {
  color: var(--color-gold);
  border-color: var(--color-gold);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(253, 252, 248, 0.18);
}
.hero-meta > div { min-width: 8rem; }
.hero-meta strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: #fff;
  font-weight: 600;
}
.hero-meta span {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(253, 252, 248, 0.55);
  margin-top: 4px;
}

/* Interior page header (non-hero pages) */
.page-header {
  background: linear-gradient(180deg, var(--color-navy) 0%, var(--color-navy-2) 100%);
  color: var(--color-text-inverse);
  padding-block: clamp(var(--space-16), 10vw, var(--space-24));
  position: relative;
  overflow: hidden;
}
.page-header::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../assets/hex-constellation.svg');
  background-repeat: no-repeat;
  background-position: right -80px top -60px;
  background-size: 780px;
  opacity: 0.28;
  pointer-events: none;
}
.page-header .container { position: relative; }
.page-header h1 {
  font-size: var(--text-2xl);
  color: #fff;
  max-width: 22ch;
  font-weight: 600;
}
.page-header .lede { color: rgba(253, 252, 248, 0.75); max-width: 62ch; }

/* =========================================================
   Section styles
   ========================================================= */

.section-title {
  font-size: var(--text-xl);
  color: var(--color-navy);
  font-weight: 600;
  margin-bottom: var(--space-3);
  max-width: 24ch;
}
[data-theme='dark'] .section-title { color: var(--color-text); }

.section-intro {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  max-width: 60ch;
  margin-bottom: var(--space-10);
}

/* =========================================================
   Cards
   ========================================================= */

.card-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  position: relative;
  transition:
    transform var(--transition-interactive),
    box-shadow var(--transition-interactive),
    border-color var(--transition-interactive);
}
.card.linked:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-gold);
}
[data-theme='dark'] .card {
  background: var(--color-surface-2);
  border-color: var(--color-rule);
}

.card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-navy);
  font-weight: 600;
}
[data-theme='dark'] .card h3 { color: var(--color-text); }

.card .kicker {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-gold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.card p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.card .card-cta {
  margin-top: auto;
  padding-top: var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-navy);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
[data-theme='dark'] .card .card-cta { color: var(--color-gold); }
.card .card-cta svg { width: 1rem; height: 1rem; transition: transform var(--transition-interactive); }
.card.linked:hover .card-cta svg { transform: translateX(3px); }

.card a.stretched::before {
  content: '';
  position: absolute; inset: 0;
  border-radius: inherit;
}

.artifact-card {
  border-top: 3px solid var(--color-gold);
}

/* =========================================================
   Feature grid (Home services + Approach)
   ========================================================= */

.feature-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 780px) {
  .feature-row { grid-template-columns: repeat(3, 1fr); gap: var(--space-8); }
}

.feature {
  border-left: 2px solid var(--color-gold);
  padding-left: var(--space-5);
}
.feature .num {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-gold);
  font-weight: 600;
  letter-spacing: 0.04em;
}
.feature h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-navy);
  margin-top: var(--space-2);
  margin-bottom: var(--space-3);
}
[data-theme='dark'] .feature h3 { color: var(--color-text); }
.feature p { color: var(--color-text-muted); font-size: var(--text-sm); }

/* =========================================================
   Long-form article layout
   ========================================================= */

.doc-layout {
  display: grid;
  gap: var(--space-10);
}
@media (min-width: 1000px) {
  .doc-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: var(--space-16);
  }
}

.doc-toc {
  position: sticky;
  top: 5.5rem;
  align-self: start;
  font-family: var(--font-body);
}
.doc-toc h4 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-3);
}
.doc-toc ol {
  list-style: none;
  counter-reset: toc;
  border-left: 1px solid var(--color-rule);
  padding-left: var(--space-4);
}
.doc-toc li {
  counter-increment: toc;
  margin-bottom: var(--space-2);
}
.doc-toc a {
  display: block;
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--text-sm);
  padding: 2px 0;
  line-height: 1.4;
}
.doc-toc a::before {
  content: counter(toc, decimal-leading-zero) '  ';
  color: var(--color-text-faint);
  font-variant-numeric: tabular-nums;
  margin-right: 6px;
}
.doc-toc a:hover { color: var(--color-navy); }
[data-theme='dark'] .doc-toc a:hover { color: var(--color-gold); }

.doc-body {
  max-width: 68ch;
}
.doc-body > * + * { margin-top: var(--space-4); }
.doc-body h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-navy);
  margin-top: var(--space-10);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-rule);
}
[data-theme='dark'] .doc-body h2 { color: var(--color-text); }
.doc-body h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-navy);
  margin-top: var(--space-8);
}
[data-theme='dark'] .doc-body h3 { color: var(--color-text); }
.doc-body p { color: var(--color-text); font-size: var(--text-base); }
.doc-body ul { padding-left: var(--space-5); }
.doc-body ul li { color: var(--color-text); margin-bottom: var(--space-2); }
.doc-body ul li::marker { color: var(--color-gold); }
.doc-body strong { color: var(--color-navy); }
[data-theme='dark'] .doc-body strong { color: var(--color-text); }

.callout {
  padding: var(--space-5) var(--space-6);
  background: var(--color-surface-2);
  border-left: 3px solid var(--color-gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: var(--text-sm);
  color: var(--color-text);
  font-family: var(--font-body);
}
[data-theme='dark'] .callout { background: var(--color-surface-3); }
.callout strong { font-family: var(--font-body); color: var(--color-navy); }
[data-theme='dark'] .callout strong { color: var(--color-gold); }

/* =========================================================
   Downloads / artifact panel
   ========================================================= */

.download-band {
  background: var(--color-navy);
  color: var(--color-text-inverse);
  border-radius: var(--radius-md);
  padding: clamp(var(--space-8), 5vw, var(--space-12));
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
  position: relative;
  overflow: hidden;
}
.download-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../assets/hex-constellation.svg');
  background-position: right -60px top -60px;
  background-repeat: no-repeat;
  background-size: 620px;
  opacity: 0.22;
  pointer-events: none;
}
.download-band > * { position: relative; }
.download-band h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: #fff;
  max-width: 22ch;
}
.download-band p { color: rgba(253, 252, 248, 0.78); max-width: 55ch; }

@media (min-width: 780px) {
  .download-band {
    grid-template-columns: 1.4fr 1fr;
    align-items: center;
  }
  .download-band .actions { justify-self: end; text-align: right; }
}
.download-band .actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.download-band .actions .btn {
  justify-content: space-between;
  min-width: 260px;
  gap: var(--space-4);
  background: rgba(253, 252, 248, 0.08);
  color: #fff;
  border-color: rgba(253, 252, 248, 0.22);
}
.download-band .actions .btn.primary {
  background: var(--color-gold);
  color: var(--color-navy);
  border-color: var(--color-gold);
}
.download-band .actions .btn:hover {
  background: rgba(253, 252, 248, 0.16);
  border-color: var(--color-gold);
}
.download-band .actions .btn.primary:hover {
  background: var(--color-gold-hover);
  border-color: var(--color-gold-hover);
}

/* =========================================================
   Table
   ========================================================= */

.table-wrap { overflow-x: auto; border: 1px solid var(--color-rule); border-radius: var(--radius-sm); }
table.data {
  width: 100%;
  font-family: var(--font-body);
  font-size: var(--text-sm);
}
table.data th, table.data td {
  padding: 0.7rem 0.9rem;
  text-align: left;
  border-bottom: 1px solid var(--color-rule);
  vertical-align: top;
}
table.data thead th {
  background: var(--color-navy);
  color: var(--color-text-inverse);
  font-weight: 600;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 0;
}
table.data tbody tr:nth-child(odd) { background: var(--color-surface-2); }
[data-theme='dark'] table.data tbody tr:nth-child(odd) { background: color-mix(in oklab, var(--color-surface-2) 90%, transparent); }

/* =========================================================
   Footer
   ========================================================= */

.site-footer {
  background: var(--color-navy);
  color: var(--color-text-inverse);
  padding-block: var(--space-16) var(--space-8);
}
.site-footer .container {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: 1fr;
}
@media (min-width: 780px) {
  .site-footer .container { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
}
.site-footer h4 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-4);
}
.site-footer ul {
  list-style: none;
  display: grid;
  gap: var(--space-2);
}
.site-footer a {
  color: rgba(253, 252, 248, 0.75);
  font-size: var(--text-sm);
  text-decoration: none;
}
.site-footer a:hover { color: var(--color-gold); }
.site-footer p { color: rgba(253, 252, 248, 0.65); font-size: var(--text-sm); }
.site-footer .brand { color: #fff; }
.site-footer .brand .brand-name span { color: rgba(253, 252, 248, 0.5); }

.footer-bottom {
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(253, 252, 248, 0.15);
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  color: rgba(253, 252, 248, 0.55);
  font-size: var(--text-xs);
  flex-wrap: wrap;
}

/* =========================================================
   Utility helpers
   ========================================================= */

.stack-4 > * + * { margin-top: var(--space-4); }
.stack-6 > * + * { margin-top: var(--space-6); }
.stack-8 > * + * { margin-top: var(--space-8); }

.split {
  display: grid;
  gap: var(--space-10);
  grid-template-columns: 1fr;
}
@media (min-width: 900px) {
  .split { grid-template-columns: 1fr 1fr; align-items: start; gap: var(--space-16); }
  .split.gapped { gap: var(--space-24); }
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 4px 10px;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gold);
  border: 1px solid color-mix(in oklab, var(--color-gold) 55%, transparent);
  border-radius: var(--radius-full);
  background: var(--color-gold-soft);
}

/* =========================================================
   Responsive nav
   ========================================================= */

@media (max-width: 1100px) {
  .nav-toggle { display: inline-flex; }
  .main-nav {
    position: fixed;
    inset: 4rem 0 auto 0;
    background: var(--color-bg);
    border-top: 1px solid var(--color-rule);
    border-bottom: 1px solid var(--color-rule);
    padding: var(--space-4) var(--space-6);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    display: none;
    box-shadow: var(--shadow-md);
  }
  .main-nav.open { display: flex; }
  .main-nav a {
    padding: var(--space-3) 0;
    border-bottom: 1px solid color-mix(in oklab, var(--color-rule) 60%, transparent);
    font-size: var(--text-base);
  }
  .main-nav a:last-child { border-bottom: 0; }
}

/* Print — keep sensible */
@media print {
  .site-header, .site-footer, .hero-actions, .download-band .actions { display: none; }
}

/* =========================================================
   About page — metaphor rows + pigeon manifesto
   ========================================================= */

.metaphor-stack {
  display: grid;
  gap: var(--space-5);
}

.metaphor-row {
  padding: var(--space-5) var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-rule);
  border-left: 3px solid var(--color-gold);
  border-radius: var(--radius-md, 6px);
}
.metaphor-arrow {
  font-family: var(--font-body);
  color: var(--color-navy);
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  margin-bottom: var(--space-3);
}
.metaphor-arrow strong {
  color: var(--color-navy);
  font-weight: 600;
}
[data-theme='dark'] .metaphor-arrow,
[data-theme='dark'] .metaphor-arrow strong {
  color: var(--color-gold);
}
.metaphor-row p {
  margin: 0;
  color: var(--color-text);
  line-height: 1.6;
}

.pigeon-manifesto {
  background: var(--color-navy);
  padding-block: var(--space-9, 5rem);
  border-top: 1px solid color-mix(in oklab, var(--color-gold) 30%, transparent);
  border-bottom: 1px solid color-mix(in oklab, var(--color-gold) 30%, transparent);
}
.pigeon-manifesto__line {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  line-height: 1.35;
  color: #FDFCF8;
  margin: 0;
}
.pigeon-manifesto__signoff {
  margin-top: var(--space-6);
  color: var(--color-gold);
  font-family: var(--font-body);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.85rem;
  font-weight: 500;
}

/* =========================================================
   Inline link colors (body text, cards, prose)
   ========================================================= */

/* Content links — anywhere except nav, footer, buttons, brand, TOC, cards-that-are-links */
main a:not(.btn):not(.brand):not(.card-cta):not(.stretched):not([class*='card ']):not(.card):not(.main-nav a) {
  color: var(--color-navy-2);
  text-decoration: underline;
  text-decoration-color: color-mix(in oklab, var(--color-gold) 65%, transparent);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
}
main a:not(.btn):not(.brand):not(.card-cta):not(.stretched):not([class*='card ']):not(.card):not(.main-nav a):hover {
  color: var(--color-gold-hover);
  text-decoration-color: var(--color-gold);
}

[data-theme='dark'] main a:not(.btn):not(.brand):not(.card-cta):not(.stretched):not([class*='card ']):not(.card):not(.main-nav a) {
  color: var(--color-gold);
  text-decoration-color: color-mix(in oklab, var(--color-gold) 60%, transparent);
}
[data-theme='dark'] main a:not(.btn):not(.brand):not(.card-cta):not(.stretched):not([class*='card ']):not(.card):not(.main-nav a):hover {
  color: var(--color-gold-hover);
}

/* =========================================================
   Footnotes (About page — Hack the Flock credit)
   ========================================================= */
.footnote-ref {
  color: var(--color-gold);
  text-decoration: none;
  font-size: 0.42em;
  font-family: var(--font-body);
  font-weight: 600;
  vertical-align: super;
  line-height: 1;
  margin-left: 0.2em;
  border-bottom: none !important;
  position: relative;
  top: -0.2em;
}
.footnote-ref:hover { color: var(--color-gold-hover); }
.footnote-ref sup { color: inherit; }

/* Force gold + visible size in dark hero header — outweighs .page-header h1 color:#fff */
.page-header h1 .footnote-ref,
.page-header h1 .footnote-ref:link,
.page-header h1 .footnote-ref:visited,
.page-header h1 .footnote-ref:hover {
  color: var(--color-gold) !important;
  font-size: 0.4em;
  font-weight: 700;
  border: none !important;
  border-bottom: none !important;
  background: none !important;
  padding-inline: 0.15em;
  text-decoration: none !important;
  box-shadow: none !important;
}
.page-header h1 .footnote-ref sup { color: var(--color-gold) !important; font-size: 1em; }

.footnotes {
  padding-block: 3rem;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}
.footnotes h2.eyebrow {
  margin-bottom: 1rem;
  font-family: var(--font-body);
}
.footnote-list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}
.footnote-list li {
  margin-bottom: 1rem;
}
.footnote-list sup {
  color: var(--color-gold);
  font-weight: 600;
  margin-right: 0.4em;
}
.footnote-backref {
  margin-left: 0.4em;
  color: var(--color-navy-2);
  text-decoration: none;
}
[data-theme='dark'] .footnote-backref { color: var(--color-gold); }