/* ============================================
   GEEKS2METATS DOCUMENTATION HUB
   Aesthetic: Workshop service manual, industrial,
   warm dark theme for outdoor/trailer readability
   ============================================ */

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

:root {
  /* Surface colors - warm, vintage paper/soot */
  --bg-deep: #14110f;
  --bg-base: #1c1917;
  --bg-raised: #292524;
  --bg-card: #2c2a26;
  --border-subtle: #44403c;
  --border-bold: #78716c;

  /* Text - cream paper, not pure white */
  --text-primary: #f5e9d4;
  --text-secondary: #d6c8af;
  --text-muted: #a8a29e;
  --text-dim: #78716c;

  /* Accents */
  --amber: #ff6b35;      /* BBQ heat, workshop orange */
  --amber-bright: #ff8c42;
  --amber-dim: #c44d20;
  --blueprint: #5b8aa0;  /* faded blueprint blue */
  --caution: #fbbf24;    /* hazard yellow */
  --success: #84cc16;    /* completed lime */
  --danger: #dc2626;     /* warning red */

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: 4rem;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 4rem;
}

body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: 'Newsreader', Georgia, serif;
  font-size: 18px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;

  /* Subtle grid paper background */
  background-image:
    linear-gradient(rgba(245, 233, 212, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 233, 212, 0.015) 1px, transparent 1px);
  background-size: 32px 32px;
  background-position: center top;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: 'Bungee', 'Impact', sans-serif;
  font-weight: normal;
  letter-spacing: 0.02em;
  line-height: 1.1;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2rem, 6vw, 3.5rem);
  text-transform: uppercase;
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  text-transform: uppercase;
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  color: var(--amber);
  border-bottom: 2px solid var(--border-bold);
  padding-bottom: var(--space-sm);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  text-transform: uppercase;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
  color: var(--blueprint);
}

h4 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
  color: var(--text-secondary);
}

p {
  margin-bottom: var(--space-md);
}

a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid var(--amber-dim);
  transition: all 0.15s ease;
}

a:hover {
  color: var(--amber-bright);
  border-bottom-color: var(--amber-bright);
}

code, .mono {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9em;
  background: var(--bg-deep);
  padding: 0.1em 0.3em;
  border-radius: 2px;
  color: var(--blueprint);
}

strong, b {
  color: var(--text-primary);
  font-weight: 700;
}

em {
  color: var(--amber);
  font-style: italic;
}

/* ============================================
   LAYOUT
   ============================================ */

.container {
  max-width: 780px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-md) var(--space-2xl);
}

.container-wide {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-md) var(--space-2xl);
}

/* ============================================
   HEADER / NAV
   ============================================ */

.site-header {
  position: sticky;
  top: 0;
  background: var(--bg-deep);
  border-bottom: 1px solid var(--border-subtle);
  padding: var(--space-sm) var(--space-md);
  z-index: 100;
  backdrop-filter: blur(8px);
}

.site-header-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.site-brand {
  font-family: 'Bungee', sans-serif;
  font-size: 1rem;
  color: var(--amber);
  text-transform: uppercase;
  border-bottom: none;
  letter-spacing: 0.05em;
}

.site-brand:hover {
  color: var(--amber-bright);
}

.site-nav {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.site-nav a {
  color: var(--text-muted);
  border-bottom: none;
  margin-left: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

/* ============================================
   HERO / DOC HEADER
   ============================================ */

.doc-hero {
  padding: var(--space-2xl) 0 var(--space-xl);
  border-bottom: 4px double var(--border-bold);
  margin-bottom: var(--space-xl);
}

.doc-hero h1 {
  margin-bottom: var(--space-md);
}

.doc-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-lg);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
}

.doc-meta-item {
  border-left: 3px solid var(--amber);
  padding-left: var(--space-md);
}

.doc-meta-label {
  display: block;
  color: var(--text-dim);
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xs);
}

.doc-meta-value {
  color: var(--text-primary);
  font-weight: 700;
}

/* ============================================
   BADGES & STATUS
   ============================================ */

.badge {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.25em 0.6em;
  border: 1px solid currentColor;
  border-radius: 2px;
}

.badge-pending {
  color: var(--caution);
}

.badge-progress {
  color: var(--blueprint);
}

.badge-done {
  color: var(--success);
}

.badge-amber {
  color: var(--amber);
}

/* ============================================
   SESSION CARDS
   ============================================ */

.session {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-left: 6px solid var(--amber);
  border-radius: 3px;
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
  position: relative;
  overflow: hidden;
}

.session::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 80px;
  height: 80px;
  background:
    repeating-linear-gradient(
      45deg,
      var(--caution),
      var(--caution) 8px,
      var(--bg-base) 8px,
      var(--bg-base) 16px
    );
  opacity: 0.08;
  pointer-events: none;
}

.session-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.session-title {
  margin: 0;
  color: var(--text-primary);
}

.session-number {
  font-family: 'JetBrains Mono', monospace;
  color: var(--amber);
  font-size: 0.75em;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  display: block;
  margin-bottom: var(--space-xs);
}

.session-time {
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.session-outcome {
  background: var(--bg-deep);
  border-left: 3px solid var(--blueprint);
  padding: var(--space-md);
  margin: var(--space-md) 0;
  font-style: italic;
  color: var(--text-secondary);
}

/* ============================================
   PHASE / STEP LISTS
   ============================================ */

.phase {
  margin: var(--space-lg) 0;
}

.phase-header {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--amber);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  border-bottom: 1px dashed var(--border-subtle);
  padding-bottom: var(--space-xs);
  margin-bottom: var(--space-md);
}

ol.steps {
  list-style: none;
  counter-reset: step;
  padding-left: 0;
}

ol.steps li {
  counter-increment: step;
  position: relative;
  padding-left: 3.75rem;
  margin-bottom: var(--space-md);
  min-height: 2rem;
}

ol.steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--amber);
  background: var(--bg-deep);
  border: 1px solid var(--amber-dim);
  border-radius: 2px;
  padding: 0.2em 0.4em;
  min-width: 2.4rem;
  text-align: center;
}

ul {
  padding-left: 1.5rem;
  margin-bottom: var(--space-md);
}

ul li {
  margin-bottom: var(--space-xs);
}

/* ============================================
   CALLOUTS
   ============================================ */

.callout {
  padding: var(--space-md);
  margin: var(--space-md) 0;
  border-radius: 3px;
  border-left: 4px solid;
}

.callout-verify {
  background: rgba(91, 138, 160, 0.1);
  border-color: var(--blueprint);
}

.callout-verify::before {
  content: 'VERIFY';
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 0.75rem;
  color: var(--blueprint);
  letter-spacing: 0.15em;
  display: block;
  margin-bottom: var(--space-xs);
}

.callout-warning {
  background: rgba(251, 191, 36, 0.08);
  border-color: var(--caution);
}

.callout-warning::before {
  content: '⚠ CAUTION';
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 0.75rem;
  color: var(--caution);
  letter-spacing: 0.15em;
  display: block;
  margin-bottom: var(--space-xs);
}

.callout-tow-ready {
  background: rgba(132, 204, 22, 0.08);
  border-color: var(--success);
  text-align: center;
}

.callout-tow-ready::before {
  content: '✓ TOW-READY';
  font-family: 'Bungee', sans-serif;
  font-size: 1rem;
  color: var(--success);
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: var(--space-sm);
}

/* ============================================
   CHECKLIST
   ============================================ */

.checklist {
  list-style: none;
  padding: 0;
  margin: var(--space-md) 0;
}

.checklist li {
  padding-left: 2rem;
  position: relative;
  margin-bottom: var(--space-sm);
}

.checklist li::before {
  content: '☐';
  position: absolute;
  left: 0;
  top: 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.2rem;
  color: var(--amber);
}

/* ============================================
   TABLES
   ============================================ */

table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-md) 0;
  font-size: 0.95rem;
}

th {
  text-align: left;
  padding: var(--space-sm) var(--space-md);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--amber);
  border-bottom: 2px solid var(--border-bold);
}

td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: top;
}

tr:hover td {
  background: var(--bg-raised);
}

/* ============================================
   HUB GRID - for index pages
   ============================================ */

.hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

.hub-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 3px;
  padding: var(--space-lg);
  transition: all 0.2s ease;
  text-decoration: none;
  color: inherit;
  display: block;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
}

.hub-card:hover {
  border-color: var(--amber);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  color: inherit;
}

.hub-card-category {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-xs);
}

.hub-card-title {
  font-family: 'Bungee', sans-serif;
  font-size: 1.3rem;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  line-height: 1.2;
}

.hub-card-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

.hub-card-meta {
  margin-top: var(--space-md);
  display: flex;
  gap: var(--space-md);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
}

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

.site-footer {
  margin-top: var(--space-2xl);
  padding: var(--space-lg);
  border-top: 1px solid var(--border-subtle);
  text-align: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

/* ============================================
   PRINT
   ============================================ */

@media print {
  body {
    background: white;
    color: black;
    font-size: 11pt;
  }

  .site-header, .site-footer {
    display: none;
  }

  .session {
    page-break-inside: avoid;
    border: 1px solid black;
    background: white;
  }

  .session::before {
    display: none;
  }

  h1, h2, h3 {
    color: black;
  }

  a {
    color: black;
    border-bottom: 1px solid black;
  }
}

/* ============================================
   MOBILE TWEAKS
   ============================================ */

@media (max-width: 600px) {
  body {
    font-size: 17px;
  }

  .container, .container-wide {
    padding: var(--space-sm);
  }

  .session {
    padding: var(--space-md);
  }

  ol.steps li {
    padding-left: 3rem;
  }

  .site-nav a {
    margin-left: var(--space-sm);
  }
}