/* ============================================================
   LOXLEY SIGNAL · INTELLIGENCE LIBRARY
   Brand Kit v1.0 — shared stylesheet
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400&family=DM+Sans:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Brand Kit v1.0 — Core Palette */
  --navy: #1A2332;
  --sage: #6B8E7F;
  --terracotta: #B85C4A;

  /* Supporting */
  --vellum: #F5F3EF;
  --linen: #EEEBE5;
  --charcoal: #2F3A46;
  --copper: #D4772B;
  --deep-moss: #4A5D52;
  --amber: #F5A623;

  /* Computed muted/hairline */
  --muted: rgba(26, 35, 50, 0.55);
  --muted-soft: rgba(26, 35, 50, 0.38);
  --hairline: rgba(26, 35, 50, 0.10);
  --hairline-strong: rgba(26, 35, 50, 0.18);
  --vellum-overlay: rgba(245, 243, 239, 0.92);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'DM Sans', Arial, sans-serif;
  background: var(--vellum);
  color: var(--charcoal);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================================
   GLOBAL HEADER
   ============================================================ */

.site-header {
  background: var(--navy);
  color: var(--vellum);
  padding: 18px 48px;
  border-bottom: 3px solid var(--sage);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-mark {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--sage);
  text-transform: uppercase;
}

.site-mark a {
  color: var(--sage);
  text-decoration: none;
}

.site-nav {
  display: flex;
  gap: 36px;
}

.site-nav a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--vellum);
  text-decoration: none;
  transition: color 0.2s ease;
}

.site-nav a:hover {
  color: var(--sage);
}

.site-nav a.current {
  color: var(--sage);
  border-bottom: 1px solid var(--sage);
  padding-bottom: 2px;
}

/* ============================================================
   HERO / LIBRARY INTRO
   ============================================================ */

.hero {
  background: var(--navy);
  color: var(--vellum);
  padding: 96px 48px 80px;
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.hero-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: 28px;
}

.hero-title {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 68px;
  font-weight: 500;
  line-height: 1.04;
  margin-bottom: 24px;
  max-width: 880px;
}

.hero-subtitle {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 24px;
  font-style: italic;
  color: rgba(245, 243, 239, 0.72);
  max-width: 720px;
  line-height: 1.4;
}

/* ============================================================
   LIBRARY GRID
   ============================================================ */

.library {
  max-width: 1100px;
  margin: 0 auto;
  padding: 64px 48px 96px;
}

.library-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid var(--hairline-strong);
  padding-bottom: 20px;
  margin-bottom: 48px;
}

.library-count {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
}

.library-count strong {
  color: var(--navy);
  font-weight: 500;
}

.library-sort {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
}

.library-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.library-entry {
  display: grid;
  grid-template-columns: 140px 1fr 200px;
  gap: 32px;
  padding: 36px 0;
  border-bottom: 1px solid var(--hairline);
  text-decoration: none;
  color: inherit;
  transition: background 0.25s ease, padding 0.25s ease;
  align-items: start;
}

.library-entry:hover {
  background: var(--linen);
  padding-left: 24px;
  padding-right: 24px;
}

.entry-date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--sage);
  padding-top: 4px;
}

.entry-title {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 28px;
  font-weight: 500;
  line-height: 1.18;
  color: var(--navy);
  margin-bottom: 10px;
}

.entry-summary {
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

.entry-meta {
  text-align: right;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-end;
  padding-top: 4px;
}

.entry-division {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--terracotta);
}

.entry-division.zizu { color: var(--copper); }
.entry-division.estate { color: var(--deep-moss); }

.entry-arrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  color: var(--muted-soft);
  margin-top: 4px;
}

.library-entry:hover .entry-arrow {
  color: var(--terracotta);
}

/* ============================================================
   DOCUMENT PAGE LAYOUT
   ============================================================ */

.doc-cover {
  background: var(--navy);
  color: var(--vellum);
  padding: 80px 48px 64px;
  border-bottom: 4px solid var(--sage);
}

.doc-cover-inner {
  max-width: 880px;
  margin: 0 auto;
}

.doc-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: 32px;
}

.doc-title {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 56px;
  font-weight: 500;
  line-height: 1.06;
  margin-bottom: 18px;
}

.doc-subtitle {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 22px;
  font-style: italic;
  color: rgba(245, 243, 239, 0.7);
  margin-bottom: 56px;
  max-width: 680px;
  line-height: 1.4;
}

.doc-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  border-top: 1px solid rgba(245, 243, 239, 0.18);
  padding-top: 28px;
}

.doc-meta-item {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
}

.doc-meta-label {
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(245, 243, 239, 0.42);
  margin-bottom: 8px;
}

.doc-meta-value {
  color: var(--vellum);
  font-size: 12px;
  letter-spacing: 0.5px;
}

/* ============================================================
   DOCUMENT BODY
   ============================================================ */

.doc-body {
  max-width: 760px;
  margin: 0 auto;
  padding: 72px 48px 96px;
}

.doc-body p {
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.75;
  margin-bottom: 22px;
  color: var(--charcoal);
}

.doc-body p.lead {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 22px;
  font-style: italic;
  line-height: 1.5;
  color: var(--navy);
  margin-bottom: 36px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--hairline);
}

.section-marker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--sage);
  margin-top: 56px;
  margin-bottom: 14px;
}

.section-title {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 36px;
  font-weight: 500;
  line-height: 1.18;
  color: var(--navy);
  margin-bottom: 28px;
}

.section-title.italic {
  font-style: italic;
  font-weight: 400;
}

.doc-body h3 {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 24px;
  font-weight: 600;
  color: var(--navy);
  margin-top: 36px;
  margin-bottom: 16px;
}

.doc-body ul, .doc-body ol {
  margin-left: 24px;
  margin-bottom: 24px;
}

.doc-body li {
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 10px;
}

.callout {
  background: var(--linen);
  border-left: 3px solid var(--sage);
  padding: 24px 28px;
  margin: 32px 0;
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  line-height: 1.6;
}

.callout.copper {
  border-left-color: var(--copper);
}

.callout.terracotta {
  border-left-color: var(--terracotta);
}

.callout-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--terracotta);
  margin-bottom: 8px;
}

.pull-quote {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 32px;
  font-weight: 400;
  font-style: italic;
  line-height: 1.3;
  color: var(--navy);
  margin: 48px 0;
  padding-left: 28px;
  border-left: 3px solid var(--terracotta);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
}

.data-table th {
  background: var(--navy);
  color: var(--vellum);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 12px 16px;
  text-align: left;
  font-weight: 500;
}

.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--hairline);
  color: var(--charcoal);
}

.data-table tr:last-child td {
  border-bottom: none;
}

/* ============================================================
   DOCUMENT FOOTER / ATTRIBUTION
   ============================================================ */

.doc-footer {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 48px 0;
  border-top: 2px solid var(--navy);
}

.doc-attribution {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  padding: 32px 0;
}

.attribution-block {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  line-height: 1.6;
  color: var(--charcoal);
}

.attribution-label {
  font-size: 9px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

.attribution-value {
  color: var(--navy);
  font-size: 12px;
}

.attribution-firm {
  color: var(--terracotta);
  font-weight: 500;
}

.ip-notice {
  font-family: 'DM Sans', sans-serif;
  font-size: 12px;
  font-style: italic;
  color: var(--muted);
  line-height: 1.6;
  border-top: 1px solid var(--hairline);
  padding-top: 24px;
  margin-top: 8px;
  max-width: 680px;
}

/* ============================================================
   SITE FOOTER
   ============================================================ */

.site-footer {
  background: var(--navy);
  color: var(--vellum);
  padding: 56px 48px 36px;
  margin-top: 64px;
}

.site-footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
}

.footer-brand {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 22px;
  color: var(--vellum);
  margin-bottom: 12px;
}

.footer-tagline {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--sage);
}

.footer-section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(245, 243, 239, 0.42);
  margin-bottom: 14px;
}

.footer-section a, .footer-section p {
  display: block;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  color: rgba(245, 243, 239, 0.78);
  text-decoration: none;
  margin-bottom: 8px;
  line-height: 1.5;
}

.footer-section a:hover {
  color: var(--sage);
}

.site-footer-bottom {
  max-width: 1100px;
  margin: 48px auto 0;
  padding-top: 24px;
  border-top: 1px solid rgba(245, 243, 239, 0.12);
  display: flex;
  justify-content: space-between;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 1.5px;
  color: rgba(245, 243, 239, 0.45);
}

/* ============================================================
   BACK TO LIBRARY LINK
   ============================================================ */

.back-link {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  margin-bottom: 24px;
  transition: color 0.2s ease;
}

.back-link:hover {
  color: var(--terracotta);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 768px) {
  .site-header {
    padding: 16px 24px;
    flex-direction: column;
    gap: 12px;
  }

  .site-nav {
    gap: 20px;
  }

  .hero {
    padding: 56px 24px 48px;
  }

  .hero-title {
    font-size: 42px;
  }

  .hero-subtitle {
    font-size: 18px;
  }

  .library {
    padding: 36px 24px 64px;
  }

  .library-entry {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .entry-meta {
    text-align: left;
    align-items: flex-start;
  }

  .doc-cover {
    padding: 56px 24px 40px;
  }

  .doc-title {
    font-size: 36px;
  }

  .doc-subtitle {
    font-size: 18px;
  }

  .doc-meta {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .doc-body {
    padding: 48px 24px 64px;
  }

  .section-title {
    font-size: 28px;
  }

  .pull-quote {
    font-size: 24px;
  }

  .doc-footer {
    padding: 36px 24px 0;
  }

  .doc-attribution {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .site-footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .site-footer-bottom {
    flex-direction: column;
    gap: 8px;
  }
}