/* ================================================================
   VAJRA — Custom Theme
   Color profile: obsidian black + aged gold from the logo
   ================================================================ */

:root {
  --vajra-black: #0d0a06;
  --vajra-deep: #1a1205;
  --vajra-dark: #2a1f0a;
  --vajra-bronze: #6b5a2a;
  --vajra-gold: #c4a35a;
  --vajra-light-gold: #e8d5a3;
  --vajra-pale: #f0e0b0;
  --vajra-amber: #a08030;
  --vajra-rich: #8b7332;
  --vajra-warm-bg: #131008;
}

/* Override mdbook ayu theme */
.ayu .sidebar,
.ayu .sidebar-scrollbox {
  background: var(--vajra-black) !important;
}

.ayu .sidebar .sidebar-scrollbox a {
  color: var(--vajra-gold) !important;
}

.ayu .sidebar .sidebar-scrollbox a:hover,
.ayu .sidebar .sidebar-scrollbox a.active {
  color: var(--vajra-pale) !important;
}

.ayu .content {
  background: var(--vajra-black) !important;
}

.ayu #content {
  max-width: 960px;
}

.ayu .content main {
  color: var(--vajra-light-gold) !important;
}

.ayu h1, .ayu h2, .ayu h3, .ayu h4 {
  color: var(--vajra-gold) !important;
  border-color: var(--vajra-bronze) !important;
}

.ayu a {
  color: var(--vajra-gold) !important;
}

.ayu code {
  color: var(--vajra-pale) !important;
  background: var(--vajra-deep) !important;
}

.ayu pre {
  background: var(--vajra-deep) !important;
  border: 1px solid var(--vajra-bronze) !important;
  border-radius: 6px;
}

.ayu pre > code {
  background: transparent !important;
}

.ayu table th {
  background: var(--vajra-dark) !important;
  color: var(--vajra-gold) !important;
  border-color: var(--vajra-bronze) !important;
}

.ayu table td {
  border-color: var(--vajra-dark) !important;
}

.ayu blockquote {
  border-left: 4px solid var(--vajra-gold) !important;
  color: var(--vajra-light-gold) !important;
  background: var(--vajra-deep) !important;
  padding: 0.5em 1em;
  border-radius: 0 6px 6px 0;
}

.ayu hr {
  border-color: var(--vajra-bronze) !important;
  opacity: 0.3;
}

/* ================================================================
   HERO SECTION
   ================================================================ */

.vajra-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
  padding: 2rem 0;
  position: relative;
  overflow: hidden;
}

.vajra-hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 600px;
  height: 600px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(196, 163, 90, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.vajra-weapon {
  position: relative;
  z-index: 1;
}

.vajra-logo {
  width: 180px;
  height: auto;
  filter: drop-shadow(0 0 30px rgba(196, 163, 90, 0.15));
  opacity: 0;
}

.vajra-title-block {
  text-align: center;
  margin-top: 1.5rem;
  position: relative;
  z-index: 1;
}

.vajra-title {
  font-family: Georgia, 'Times New Roman', serif !important;
  font-size: 4rem !important;
  letter-spacing: 1.2rem;
  color: var(--vajra-gold) !important;
  margin: 0 !important;
  padding: 0 !important;
  border: none !important;
  text-shadow: 0 0 40px rgba(196, 163, 90, 0.2);
  opacity: 0;
}

.vajra-subtitle {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1rem;
  letter-spacing: 0.3rem;
  color: var(--vajra-amber);
  margin-top: 0.5rem;
  text-transform: uppercase;
  opacity: 0;
}

.vajra-mantra {
  margin-top: 2rem;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.3rem;
  letter-spacing: 0.15rem;
}

.mantra-break {
  color: var(--vajra-bronze);
  opacity: 0;
}

.mantra-preserve {
  color: var(--vajra-gold);
  opacity: 0;
}

/* ================================================================
   STATS BAR
   ================================================================ */

.vajra-stats-bar {
  display: flex;
  justify-content: center;
  gap: 3rem;
  padding: 2rem 0;
  margin: 2rem 0;
  border-top: 1px solid rgba(107, 90, 42, 0.3);
  border-bottom: 1px solid rgba(107, 90, 42, 0.3);
  flex-wrap: wrap;
}

.stat {
  text-align: center;
  opacity: 0;
}

.stat-number {
  display: block;
  font-family: 'Courier New', monospace;
  font-size: 2rem;
  font-weight: bold;
  color: var(--vajra-gold);
  line-height: 1;
}

.stat-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15rem;
  color: var(--vajra-bronze);
  margin-top: 0.3rem;
}

/* ================================================================
   DEMO CARD GRID
   ================================================================ */

.vajra-demo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.demo-card {
  background: var(--vajra-deep);
  border: 1px solid var(--vajra-bronze);
  border-radius: 8px;
  padding: 1.5rem;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  opacity: 0;
  transform: translateY(30px);
}

.demo-card:hover {
  border-color: var(--vajra-gold);
  transform: translateY(-2px) !important;
  box-shadow: 0 8px 30px rgba(196, 163, 90, 0.1);
}

.demo-card h3 {
  color: var(--vajra-gold) !important;
  font-size: 1.2rem !important;
  margin-top: 0 !important;
  border: none !important;
}

.demo-card p {
  color: var(--vajra-amber);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* ================================================================
   ENGINE GRID
   ================================================================ */

.engine-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.2rem;
  margin: 2rem 0;
}

.engine-card {
  background: linear-gradient(135deg, var(--vajra-deep), var(--vajra-dark));
  border: 1px solid rgba(107, 90, 42, 0.4);
  border-radius: 8px;
  padding: 1.5rem;
  opacity: 0;
  transform: translateY(20px);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.engine-card:hover {
  border-color: var(--vajra-gold);
  box-shadow: 0 4px 20px rgba(196, 163, 90, 0.08);
}

.engine-icon {
  font-size: 2rem;
  color: var(--vajra-gold);
  margin-bottom: 0.5rem;
  filter: drop-shadow(0 0 8px rgba(196, 163, 90, 0.3));
}

.engine-card h4 {
  color: var(--vajra-light-gold) !important;
  font-size: 1rem !important;
  margin-top: 0.3rem !important;
  border: none !important;
}

.engine-card p {
  color: var(--vajra-amber);
  font-size: 0.85rem;
  line-height: 1.5;
  margin-bottom: 0;
}

/* ================================================================
   SECTIONS
   ================================================================ */

.vajra-section {
  opacity: 0;
  transform: translateY(40px);
}

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

.vajra-footer {
  text-align: center;
  padding: 4rem 0 2rem;
  opacity: 0;
}

.footer-mantra {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.5rem;
  letter-spacing: 0.3rem;
  color: var(--vajra-bronze);
  text-shadow: 0 0 20px rgba(196, 163, 90, 0.1);
}

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

@media (max-width: 768px) {
  .vajra-title {
    font-size: 2.5rem !important;
    letter-spacing: 0.6rem;
  }

  .vajra-subtitle {
    font-size: 0.8rem;
  }

  .vajra-stats-bar {
    gap: 1.5rem;
  }

  .stat-number {
    font-size: 1.5rem;
  }

  .vajra-logo {
    width: 140px;
  }
}

/* ================================================================
   PARTICLE CANVAS (injected by GSAP script)
   ================================================================ */

#vajra-particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.3;
}