/* ==========================================================================
   BAVE Comparison Slider - Before/After Video Comparison
   Inspired by Topaz Video AI presentation quality
   ========================================================================== */

.comparison-container {
  position: relative;
  width: 100%;
  max-width: 960px;
  aspect-ratio: 16 / 9;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
}

.comparison-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.comparison-before,
.comparison-after {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.comparison-after {
  width: 50%;
  overflow: hidden;
}

.comparison-slider {
  position: absolute;
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  background: var(--accent);
  transform: translateX(-50%);
  z-index: 10;
  cursor: ew-resize;
  transition: background var(--transition);
}

.comparison-slider:hover {
  background: var(--accent-hover);
}

.comparison-slider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 48px;
  height: 48px;
  background: var(--accent);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
}

.comparison-slider::after {
  content: '⟂';
  position: absolute;
  top: 50%;
  left: 50%;
  color: var(--bg-primary);
  font-size: 20px;
  font-weight: 900;
  transform: translate(-50%, -50%);
  opacity: 0.9;
}

.comparison-labels {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  padding: 12px 16px;
  background: linear-gradient(transparent, rgba(0,0,0,0.6));
  pointer-events: none;
}

.comparison-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: 100px;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(8px);
}

.comparison-label.before { color: var(--text-muted); }
.comparison-label.after { color: var(--accent); }

.comparison-toggle {
  position: absolute;
  top: 12px;
  right: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  z-index: 5;
}

.comparison-toggle:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

/* ==========================================================================
   Performance & Specs Grid
   ========================================================================== */

.specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  max-width: 1200px;
  margin: 48px auto;
}

.spec-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition);
}

.spec-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.spec-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
  color: var(--accent);
}

.spec-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.spec-details {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.spec-metric {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.spec-metric:last-child {
  border-bottom: none;
}

/* ==========================================================================
   GPU Performance Bars
   ========================================================================== */

.gpu-bar {
  height: 6px;
  background: var(--bg-secondary);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 8px;
}

.gpu-fill {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--accent), var(--info));
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   OpenGraph & SEO Meta Tags (to add to <head>)
   ========================================================================== */

/*
<meta property="og:title" content="BAVE — AI Video Encoder for Filmmakers">
<meta property="og:description" content="Per-shot AI optimization, theatrical quality, offline operation. Encode films with professional metadata.">
<meta property="og:image" content="https://bave.benyaminkhodabandeh.ir/og-image.png">
<meta property="og:type" content="website">
<meta property="og:site_name" content="BAVE">
<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:title" content="BAVE — AI Video Encoder">
<meta name="twitter:description" content="Professional AI encoder for filmmakers. No GPU required.">
<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "SoftwareApplication",
  "name": "BAVE",
  "operatingSystem": "Windows, macOS",
  "applicationCategory": "MultimediaApplication",
  "offers": {"@type": "Offer", "price": "195", "priceCurrency": "USD"},
  "featureList": ["Per-shot AI optimization", "Theatrical quality", "Offline operation", "No GPU required"]
}
</script>
*/