/* FATHOM WHITEPAPER — MASTER PRESENTATION STYLESHEET */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600;700;800&display=swap');

:root {
  --primary: #070a12;
  --primary-card: #0f172a;
  --primary-accent: #1d4ed8;
  --secondary-accent: #0284c7;
  --emerald: #047857;
  --emerald-bg: #ecfdf5;
  --amber: #b45309;
  --amber-bg: #fffbeb;
  --rose: #be123c;
  --rose-bg: #fff1f2;
  --purple: #6d28d9;
  --purple-bg: #faf5ff;
  --indigo: #4338ca;
  --indigo-bg: #eef2ff;
  --bg-slate: #f8fafc;
  --border-color: #cbd5e1;
  --border-dark: #334155;
  --text-dark: #050811;
  --text-body: #0f172a;
  --text-muted: #334155;
  --card-bg: #ffffff;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  word-break: normal !important;
  overflow-wrap: normal !important;
  word-wrap: normal !important;
  hyphens: none !important;
  -webkit-hyphens: none !important;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text-body);
  background-color: #070a12;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@page {
  size: A4 portrait;
  margin: 0;
}

@media screen {
  body {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 30px 0;
    gap: 30px;
  }

  .page {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.08);
    border-radius: 4px;
  }
}

@media print {
  body {
    background-color: #ffffff;
    padding: 0;
    margin: 0;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  .page {
    box-shadow: none !important;
    border-radius: 0 !important;
    page-break-after: always !important;
    page-break-inside: avoid !important;
    margin: 0 !important;
  }

  .no-print {
    display: none !important;
  }
}

/* Master A4 Page Box */
.page {
  width: 210mm;
  height: 297mm;
  max-height: 297mm;
  min-height: 297mm;
  padding: 11mm 15mm 10mm 15mm;
  background: #ffffff;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  font-size: 8.8pt;
  line-height: 1.48;
  color: #0f172a;
}

/* Header Component */
.header {
  border-bottom: 1.5px solid var(--border-color);
  padding-bottom: 6px;
  margin-bottom: 10px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-shrink: 0;
}

.header-meta {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-badge {
  background: #090d16;
  color: #ffffff;
  font-weight: 800;
  font-size: 7.5pt;
  letter-spacing: 0.08em;
  padding: 2px 7px;
  border-radius: 3px;
  text-transform: uppercase;
}

.header-category {
  font-size: 7.5pt;
  font-weight: 700;
  color: var(--primary-accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.header-title-main {
  font-size: 13.5pt;
  font-weight: 900;
  color: #090d16;
  letter-spacing: -0.02em;
  margin-top: 2px;
}

.header-subtitle {
  font-size: 8.5pt;
  color: #334155;
  font-weight: 500;
  margin-top: 1px;
}

.page-badge {
  background: var(--bg-slate);
  border: 1px solid var(--border-color);
  color: #0f172a;
  font-family: 'JetBrains Mono', monospace;
  font-size: 7.5pt;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  white-space: nowrap;
}

/* Footer Component */
.footer {
  border-top: 1px solid var(--border-color);
  padding-top: 6px;
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 7.5pt;
  color: #475569;
  font-weight: 500;
  flex-shrink: 0;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-bullet {
  color: #94a3b8;
}

.footer-right {
  font-family: 'JetBrains Mono', monospace;
  font-size: 7.2pt;
  font-weight: 700;
  color: #0f172a;
}

/* Content Body — Increased semantic spacing between blocks */
.content-body {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 10px;
  flex: 1;
  min-height: 0;
}

/* Paragraphs & Lists */
p {
  margin-bottom: 4px;
}
p:last-child {
  margin-bottom: 0;
}

ul, ol {
  padding-left: 14px;
}
li {
  margin-bottom: 3px;
}
li:last-child {
  margin-bottom: 0;
}

/* Grids */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  flex-shrink: 0;
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
  flex-shrink: 0;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  flex-shrink: 0;
}

/* High-Contrast Card System */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 9px 13px;
  position: relative;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
  flex-shrink: 0;
}

.card p, .card li, .card span, .card td, .card div {
  color: #0f172a;
}

.card-slate {
  background: var(--bg-slate);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 8px 12px;
  flex-shrink: 0;
}

.card-dark {
  background: #090d16;
  color: #f8fafc;
  border-radius: 6px;
  padding: 9px 13px;
  border: 1px solid #1e293b;
  flex-shrink: 0;
}

.card-dark p, .card-dark li, .card-dark span, .card-dark div {
  color: #f1f5f9;
}

.card-accent {
  border-left: 4px solid var(--primary-accent);
  background: #f8faff;
  border-top: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.card-emerald {
  border-left: 4px solid var(--emerald);
  background: var(--emerald-bg);
  border-top: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.card-purple {
  border-left: 4px solid var(--purple);
  background: var(--purple-bg);
  border-top: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.card-amber {
  border-left: 4px solid var(--amber);
  background: var(--amber-bg);
  border-top: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.card-indigo {
  border-left: 4px solid var(--indigo);
  background: var(--indigo-bg);
  border-top: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.card-title {
  font-size: 9.6pt;
  font-weight: 800;
  color: #090d16;
  margin-bottom: 5px;
  letter-spacing: -0.01em;
}

.card-dark .card-title {
  color: #ffffff;
}

.card-title-sm {
  font-size: 8.5pt;
  font-weight: 800;
  color: #090d16;
  margin-bottom: 4px;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 7.8pt;
  margin: 3px 0;
  background: #ffffff;
  border-radius: 5px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  flex-shrink: 0;
}

th {
  background: #f1f5f9;
  color: #090d16;
  font-weight: 800;
  text-align: left;
  padding: 5px 8px;
  border-bottom: 1.5px solid var(--border-color);
  font-size: 7.8pt;
  letter-spacing: 0.02em;
}

td {
  padding: 4.5px 8px;
  border-bottom: 1px solid #e2e8f0;
  color: #0f172a;
  vertical-align: middle;
  line-height: 1.35;
}

tr:nth-child(even) td {
  background-color: #fafbfc;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 1.5px 6px;
  border-radius: 3px;
  font-size: 6.8pt;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  white-space: nowrap;
}

.badge-green { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.badge-blue { background: #dbeafe; color: #1e40af; border: 1px solid #bfdbfe; }
.badge-amber { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
.badge-red { background: #ffe4e6; color: #9f1239; border: 1px solid #fecdd3; }
.badge-purple { background: #f3e8ff; color: #6b21a8; border: 1px solid #e9d5ff; }

/* Callout Alerts */
.callout {
  border-radius: 6px;
  padding: 6.5px 11px;
  font-size: 8.0pt;
  line-height: 1.40;
  flex-shrink: 0;
}

.callout strong { color: #090d16; }

.callout-info {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-left: 4px solid var(--primary-accent);
  color: #1e3a8a;
}
.callout-info strong { color: #1e3a8a; }

.callout-success {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-left: 4px solid var(--emerald);
  color: #14532d;
}
.callout-success strong { color: #14532d; }

.callout-amber {
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-left: 4px solid var(--amber);
  color: #78350f;
}
.callout-amber strong { color: #78350f; }

/* Metrics */
.metric-box {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 5px;
  padding: 6px 8px;
  text-align: center;
}

.metric-val {
  font-size: 12.5pt;
  font-weight: 900;
  color: var(--primary-accent);
  font-family: 'JetBrains Mono', monospace;
  line-height: 1.1;
}

.metric-label {
  font-size: 6.8pt;
  color: #334155;
  font-weight: 700;
  margin-top: 3px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* Diagram Flow */
.diagram-flow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 6px 10px;
  gap: 6px;
  flex-shrink: 0;
}

.flow-step {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 6px 8px;
  flex: 1;
  text-align: center;
}

.flow-title {
  font-size: 7.8pt;
  font-weight: 800;
  color: #090d16;
}

.flow-desc {
  font-size: 6.8pt;
  color: #334155;
  margin-top: 2px;
  line-height: 1.25;
}

.flow-arrow {
  color: #64748b;
  font-weight: 800;
  font-size: 9pt;
}

/* Timeline */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 5px;
  flex-shrink: 0;
}

.timeline-item {
  display: flex;
  gap: 10px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 5px;
  padding: 5px 9px;
  align-items: center;
}

.timeline-time {
  font-family: 'JetBrains Mono', monospace;
  font-size: 7.4pt;
  font-weight: 800;
  color: var(--primary-accent);
  min-width: 60px;
}

.timeline-content {
  flex: 1;
}

.timeline-title {
  font-size: 7.8pt;
  font-weight: 800;
  color: #090d16;
}

.timeline-desc {
  font-size: 7.0pt;
  color: #334155;
  line-height: 1.25;
}

/* Embedded Full-Size Screenshot */
.deck-mockup-container {
  width: 100%;
  margin: 4px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}

.deck-mockup-frame {
  width: 100%;
  border-radius: 7px;
  overflow: hidden;
  background: transparent;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
}

.deck-mockup-frame img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 7px;
}

.deck-mockup-caption {
  font-size: 7.2pt;
  color: #334155;
  font-family: 'JetBrains Mono', monospace;
  margin-top: 4px;
  text-align: center;
  font-weight: 700;
}

/* Minimalist Clean Cover Page (Page 01) */
.simple-cover {
  display: flex !important;
  flex-direction: column !important;
  justify-content: center !important;
  align-items: center !important;
  text-align: center !important;
  padding: 40mm 20mm !important;
  background: #ffffff !important;
}

.cover-brand-large {
  font-size: 56pt;
  font-weight: 900;
  letter-spacing: 0.12em;
  color: #090d16;
  margin-bottom: 8px;
  line-height: 1.0;
}

.cover-rule {
  width: 80px;
  height: 4px;
  background: var(--primary-accent);
  border-radius: 2px;
  margin: 16px auto 20px auto;
}

.cover-subtitle-main {
  font-size: 18pt;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}

.cover-desc-main {
  font-size: 10.5pt;
  color: #475569;
  max-width: 520px;
  line-height: 1.55;
  margin-bottom: 40px;
}

.cover-footer-meta {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 8.5pt;
  color: #64748b;
  font-weight: 600;
}

.cover-footer-meta strong {
  color: #090d16;
}

/* TOC Styles */
.toc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  flex: 1;
}

.toc-section {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 7px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.toc-section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 3px;
  margin-bottom: 2px;
}

.toc-section-title { font-size: 8.2pt; font-weight: 800; color: var(--primary-accent); }
.toc-section-pages { font-family: 'JetBrains Mono', monospace; font-size: 7.2pt; font-weight: 700; color: #0f172a; background: #f1f5f9; padding: 1px 5px; border-radius: 3px; }
.toc-list { display: flex; flex-direction: column; gap: 3px; }
.toc-item { display: flex; justify-content: space-between; align-items: center; font-size: 7.2pt; line-height: 1.25; }
.toc-item-title { color: #0f172a; font-weight: 600; }
.toc-item-num { font-family: 'JetBrains Mono', monospace; font-size: 7.0pt; font-weight: 700; color: #475569; }