/* Feed Vault Drift — Chalk Ledger (fully light) */
@import url('https://fonts.googleapis.com/css2?family=Newsreader:ital,opsz,wght@0,6..72,400;0,6..72,600;1,6..72,400&family=Public+Sans:wght@400;600&family=Roboto+Mono&display=swap');

:root {
  --surface-chalk: #FFFFFF;
  --surface-paper: #F7F9FB;
  --surface-stone: #F2F4F7;
  --surface-edge: #FFFFFF;
  --text-primary: #10141B;
  --text-body: #10141B;
  --text-muted: #171C24;
  --text-edge: #343B45;
  --hairline: #DDE2E8;
  --accent: #1D4E89;
  --accent-soft: #E4EBF4;
  --shell: 980px;
  --page-pad: 48px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 128px;
  --font-display: 'Newsreader', Georgia, serif;
  --font-body: 'Public Sans', system-ui, sans-serif;
  --font-mono: 'Roboto Mono', monospace;
  --text-xs: clamp(0.72rem, 0.68rem + 0.15vw, 0.78rem);
  --text-sm: clamp(0.85rem, 0.82rem + 0.15vw, 0.92rem);
  --text-base: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  --text-lg: clamp(1.15rem, 1.08rem + 0.35vw, 1.35rem);
  --text-xl: clamp(1.5rem, 1.35rem + 0.75vw, 2rem);
  --text-2xl: clamp(2rem, 1.7rem + 1.5vw, 3rem);
  --text-3xl: clamp(2.5rem, 2rem + 2vw, 3.75rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--text-body);
  background: var(--surface-chalk);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: #163d6e; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 9999;
  background: var(--accent); color: #fff; padding: var(--space-3) var(--space-5);
}
.skip-link:focus { left: var(--space-4); top: var(--space-4); }

.surface-chalk { background: var(--surface-chalk); color: var(--text-primary); }
.surface-paper { background: var(--surface-paper); color: var(--text-body); }
.surface-stone { background: var(--surface-stone); color: var(--text-muted); }

.reading-shell {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--page-pad);
  position: relative;
}

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--hairline);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: calc(var(--shell) + 200px); margin: 0 auto;
  padding: var(--space-4) var(--page-pad);
  gap: var(--space-5);
}
.logo {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--text-primary);
  text-decoration: none;
}
.logo span { color: var(--accent); }
.site-nav ul {
  display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-4);
  list-style: none; margin: 0; padding: 0;
}
.site-nav a {
  color: var(--text-edge); text-decoration: none; font-size: var(--text-sm);
  font-weight: 600; padding: var(--space-2) var(--space-3);
  border-bottom: 2px solid transparent;
}
.site-nav a:hover, .site-nav a[aria-current="page"] {
  color: var(--accent); border-bottom-color: var(--accent);
}
.nav-cta {
  border: 1px solid var(--accent) !important;
  color: var(--accent) !important;
  padding: var(--space-2) var(--space-5) !important;
}
.nav-cta:hover { background: var(--accent-soft); }

/* Index bar (inner pages) */
.index-bar {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-edge);
  padding: var(--space-3) var(--page-pad);
  border-bottom: 1px solid var(--hairline);
  max-width: calc(var(--shell) + 200px);
  margin: 0 auto;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Typography */
h1, h2, h3 { font-family: var(--font-display); font-weight: 400; color: var(--text-primary); line-height: 1.2; }
h1 { font-size: var(--text-3xl); margin: 0 0 var(--space-5); }
h2 { font-size: var(--text-2xl); margin: var(--space-8) 0 var(--space-5); }
h3 { font-size: var(--text-xl); margin: var(--space-6) 0 var(--space-4); }
p { margin: 0 0 var(--space-5); max-width: 68ch; }
.small-caps {
  font-variant: small-caps;
  letter-spacing: 0.08em;
  font-size: var(--text-sm);
  color: var(--text-edge);
  margin-bottom: var(--space-4);
}

/* B-S4 Margin slip */
.has-margin-slip { position: relative; padding-right: 140px; }
.margin-slip {
  position: absolute;
  right: -120px;
  top: 0;
  width: 110px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-xs);
  color: var(--text-edge);
  line-height: 1.45;
  padding-left: var(--space-3);
  border-left: 1px solid var(--hairline);
}
@media (max-width: 900px) {
  .has-margin-slip { padding-right: 0; }
  .margin-slip { position: static; width: auto; margin: var(--space-4) 0; }
}

/* Hero split */
.hero-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 480px;
  margin: 0 calc(-1 * var(--page-pad));
}
.hero-split-copy { padding: var(--space-9) var(--page-pad); display: flex; flex-direction: column; justify-content: center; }
.hero-split-photo img { width: 100%; height: 100%; min-height: 480px; object-fit: cover; }
.hero-bleed { margin: 0 calc(-1 * var(--page-pad)); }
.hero-bleed img { width: 100%; aspect-ratio: 21/9; object-fit: cover; }
@media (max-width: 768px) {
  .hero-split { grid-template-columns: 1fr; }
  .hero-split-photo { order: -1; }
  .hero-split-photo img { min-height: 280px; }
}

/* B-S1 Chalk spread */
.chalk-spread {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-7);
  padding: var(--space-8) 0;
  align-items: center;
}
.chalk-spread img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border: 1px solid var(--hairline); }
.chalk-quote {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  line-height: 1.45;
  padding: var(--space-6) 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.chalk-caption {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-edge);
  margin-top: var(--space-3);
}
@media (max-width: 768px) { .chalk-spread { grid-template-columns: 1fr; } }

/* B-S2 Current ledger */
.ledger-table { width: 100%; border-collapse: collapse; margin: var(--space-6) 0; font-size: var(--text-sm); }
.ledger-table th {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-align: left;
  padding: var(--space-4) var(--space-3);
  border-bottom: 1px solid var(--hairline);
  color: var(--accent);
  font-weight: 400;
}
.ledger-table td {
  padding: var(--space-5) var(--space-3);
  border-bottom: 1px solid var(--hairline);
  vertical-align: top;
}
.prose-page figure img {
  width: 100%;
  aspect-ratio: 3/2;
  object-fit: cover;
  border: 1px solid var(--hairline);
}
.prose-page figure { margin: var(--space-7) 0; }

.ledger-table td { color: var(--text-body); }
.ledger-prose { padding: var(--space-4) 0 var(--space-6); color: var(--text-body); max-width: 72ch; }
.receive-list li { color: var(--text-body); }
.footer-disclaimer, .footer-copy { color: var(--text-edge); }
.site-footer { color: var(--text-muted); }

/* B-S3 Shelf stack */
.shelf-stack { padding: var(--space-7) 0; }
.shelf-row {
  display: grid;
  grid-template-columns: 80px 24px 1fr;
  gap: var(--space-4);
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--hairline);
  align-items: start;
}
.shelf-row:nth-child(1) { margin-left: 0; }
.shelf-row:nth-child(2) { margin-left: 32px; }
.shelf-row:nth-child(3) { margin-left: 64px; }
.shelf-row:nth-child(4) { margin-left: 96px; }
.shelf-row:nth-child(5) { margin-left: 128px; }
.shelf-thumb img { width: 80px; height: 80px; object-fit: cover; border: 1px solid var(--hairline); }
.shelf-marker {
  width: 8px; height: 8px;
  background: var(--accent);
  margin-top: var(--space-3);
}
.shelf-label { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--accent); margin-bottom: var(--space-2); }
@media (max-width: 640px) {
  .shelf-row { margin-left: 0 !important; grid-template-columns: 64px 16px 1fr; }
  .shelf-thumb img { width: 64px; height: 64px; }
}

/* Drift timeline */
.drift-timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  padding: var(--space-8) 0;
  position: relative;
}
.drift-timeline::before {
  content: '';
  position: absolute;
  top: 48px; left: 10%; right: 10%;
  height: 1px; background: var(--hairline);
}
.drift-stage { text-align: center; padding-top: var(--space-7); }
.drift-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
@media (max-width: 768px) {
  .drift-timeline { grid-template-columns: 1fr; }
  .drift-timeline::before { display: none; }
}

/* Reader notes two columns */
.reader-notes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-7) var(--space-8);
  padding: var(--space-7) 0;
}
.reader-q {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-lg);
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}
@media (max-width: 768px) { .reader-notes { grid-template-columns: 1fr; } }

/* Triptych */
.triptych {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin: var(--space-7) 0;
}
.triptych img { width: 100%; aspect-ratio: 3/4; object-fit: cover; border: 1px solid var(--hairline); }
@media (max-width: 640px) { .triptych { grid-template-columns: 1fr; } }

/* Receive list */
.receive-list {
  list-style: none; padding: 0; margin: var(--space-6) 0;
  border-top: 1px solid var(--hairline);
}
.receive-list li {
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* Contact MAP-A letterbox */
.contact-letterbox { padding: var(--space-8) 0; }
.map-letterbox {
  border: 1px solid var(--hairline);
  margin-bottom: var(--space-7);
  filter: saturate(0.85) brightness(1.03);
}
.map-letterbox iframe { width: 100%; height: 380px; border: 0; }
@media (max-width: 640px) { .map-letterbox iframe { height: 250px; } }

/* Map variants */
.map-strip-inset {
  max-width: var(--shell);
  margin: var(--space-7) auto;
  border: 1px solid var(--hairline);
  filter: saturate(0.85) brightness(1.03);
}
.map-strip-inset iframe { width: 100%; height: 165px; border: 0; }
@media (max-width: 640px) { .map-strip-inset iframe { height: 115px; } }

.map-band-wide {
  margin: var(--space-7) calc(-1 * var(--page-pad));
  filter: saturate(0.85) brightness(1.03);
  position: relative;
}
.map-band-wide iframe { width: 100%; height: 290px; border: 0; }
.map-band-caption {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-edge);
  margin-top: var(--space-3);
  margin-left: calc(-1 * var(--page-pad));
}
@media (max-width: 640px) { .map-band-wide iframe { height: 195px; } }

.map-card-below { margin: var(--space-6) 0; }
.map-card-below iframe {
  width: 100%; height: 150px; border: 1px solid var(--hairline);
  filter: saturate(0.85) brightness(1.03);
}

.map-placeholder {
  background: var(--surface-paper);
  border: 1px solid var(--hairline);
  padding: var(--space-6);
  text-align: center;
  color: var(--text-edge);
  font-size: var(--text-sm);
}

/* Footer */
.site-footer {
  background: var(--surface-paper);
  border-top: 1px solid var(--hairline);
  padding: var(--space-8) 0 var(--space-7);
  font-size: var(--text-sm);
  color: var(--text-edge);
}
.footer-inner {
  max-width: calc(var(--shell) + 200px);
  margin: 0 auto;
  padding: 0 var(--page-pad);
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-7);
}
.footer-entity { color: var(--text-primary); font-weight: 600; margin-bottom: var(--space-3); }
.footer-links { display: flex; flex-wrap: wrap; gap: var(--space-4); }
.footer-links a { color: var(--text-edge); text-decoration: none; }
.footer-links a:hover { color: var(--accent); }
.footer-disclaimer { margin-top: var(--space-5); font-size: var(--text-xs); }

/* Cookie — full width bottom bar */
.cookie-banner {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 1000;
  background: var(--surface-chalk);
  border-top: 1px solid var(--hairline);
  box-shadow: 0 -4px 24px rgba(16, 20, 27, 0.12);
  padding: var(--space-5) var(--page-pad);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  transform: translateY(100%);
  transition: none;
}
html.cookie-consent-pending .cookie-banner,
.cookie-banner.is-visible { transform: translateY(0); }
html.cookie-ui-ready .cookie-banner { transition: transform 0.35s ease; }
.cookie-banner.is-dismissed { transform: translateY(100%); }
.cookie-banner p { font-size: var(--text-sm); margin: 0; max-width: 56ch; color: var(--text-body); }
.cookie-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.cookie-btn {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-2) var(--space-5);
  cursor: pointer;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
}
.cookie-btn:hover { background: var(--accent-soft); }

.cookie-panel {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 1001;
  background: var(--surface-paper);
  border-top: 1px solid var(--hairline);
  padding: var(--space-6) var(--page-pad);
  max-width: 640px;
  margin: 0 auto;
  left: 50%;
  transform: translate(-50%, 100%);
  transition: transform 0.35s ease;
  width: 100%;
}
.cookie-panel.is-visible { transform: translate(-50%, 0); }
.cookie-toggle {
  display: flex; justify-content: space-between; align-items: center;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--hairline);
  font-size: var(--text-sm);
}
.cookie-toggle input { accent-color: var(--accent); }

.reveal { opacity: 1; transform: none; }
.js .reveal {
  opacity: 0;
  transform: translateX(-12px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.js .reveal.is-visible { opacity: 1; transform: translateX(0); }
.js .shelf-row {
  opacity: 0;
  transform: translateX(-12px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.js .shelf-row.is-visible { opacity: 1; transform: translateX(0); }

.js h2.reveal-heading { position: relative; }
.js h2.reveal-heading.is-visible::after {
  content: '';
  display: block;
  height: 1px;
  background: var(--accent);
  margin-top: var(--space-3);
  animation: sweep 0.6s ease forwards;
}
@keyframes sweep { from { width: 0; } to { width: 100%; } }

.prose-page { padding: var(--space-8) 0 var(--space-9); }
.error-page { text-align: center; padding: var(--space-10) var(--page-pad); }
.cookie-table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); margin: var(--space-6) 0; }
.cookie-table th, .cookie-table td {
  border: 1px solid var(--hairline);
  padding: var(--space-3) var(--space-4);
  text-align: left;
}
.cookie-table th { color: var(--accent); font-weight: 600; }

.photo-full-bleed {
  margin: var(--space-7) calc(-1 * var(--page-pad));
}
.photo-full-bleed img { width: 100%; aspect-ratio: 2.4/1; object-fit: cover; }

@media (max-width: 640px) {
  :root { --page-pad: 20px; }
  .header-inner { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .js .reveal { opacity: 1; transform: none; }
  .cookie-banner, .cookie-panel { transition: none; }
}