/* ==========================================================================
   md — Modern Terminal Markdown Viewer Landing Page Stylesheet
   Design: Sleek, high-contrast developer tool (Linear / Raycast / Ghostty inspired)
   ========================================================================== */

:root {
  /* Brand & Accent Palette */
  --brand-primary: #6366f1;
  --brand-secondary: #06b6d4;
  --brand-accent: #a855f7;
  --brand-gradient: linear-gradient(135deg, #6366f1 0%, #06b6d4 50%, #a855f7 100%);
  --brand-glow: rgba(99, 102, 241, 0.25);

  /* Light Theme Tokens */
  --bg-base: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f1f5f9;
  --bg-glass: rgba(255, 255, 255, 0.82);
  --border-subtle: #e2e8f0;
  --border-prominent: #cbd5e1;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-code: #0f172a;
  --terminal-bg: #090d16;
  --terminal-border: #1e293b;
  --terminal-text: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  --shadow-glow: 0 0 35px rgba(99, 102, 241, 0.15);

  /* Fonts */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Menlo, Monaco, Consolas, "Liberation Mono", monospace;

  /* Layout */
  --container-max: 1200px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);

  color-scheme: light dark;
}

/* Dark Theme Tokens (Auto & Manual Override) */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg-base: #090d16;
    --bg-surface: #0f172a;
    --bg-surface-elevated: #1e293b;
    --bg-glass: rgba(15, 23, 42, 0.78);
    --border-subtle: #1e293b;
    --border-prominent: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-code: #f1f5f9;
    --terminal-bg: #030712;
    --terminal-border: #1f2937;
    --terminal-text: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -2px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.7), 0 8px 10px -6px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.25);
  }
}

:root[data-theme="dark"] {
  --bg-base: #090d16;
  --bg-surface: #0f172a;
  --bg-surface-elevated: #1e293b;
  --bg-glass: rgba(15, 23, 42, 0.78);
  --border-subtle: #1e293b;
  --border-prominent: #334155;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-code: #f1f5f9;
  --terminal-bg: #030712;
  --terminal-border: #1f2937;
  --terminal-text: #e5e7eb;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -2px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.7), 0 8px 10px -6px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.25);
}

:root[data-theme="light"] {
  --bg-base: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f1f5f9;
  --bg-glass: rgba(255, 255, 255, 0.82);
  --border-subtle: #e2e8f0;
  --border-prominent: #cbd5e1;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-code: #0f172a;
  --terminal-bg: #090d16;
  --terminal-border: #1e293b;
  --terminal-text: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  --shadow-glow: 0 0 35px rgba(99, 102, 241, 0.15);
}

/* ==========================================================================
   Base Reset & Body
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
  background-color: var(--bg-base);
}

/* Subtle glowing background aura */
.bg-glow-mesh {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(circle at 50% -10%, rgba(99, 102, 241, 0.18) 0%, transparent 60%),
    radial-gradient(circle at 15% 30%, rgba(6, 182, 212, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 85% 50%, rgba(168, 85, 247, 0.12) 0%, transparent 50%);
  opacity: 0.85;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.5rem;
  position: relative;
  z-index: 1;
}

/* ==========================================================================
   Navigation Bar (Glassmorphic)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.25rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.25rem;
}

.brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  background: var(--brand-gradient);
  color: #ffffff;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.35);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.925rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-icon {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  width: 2.35rem;
  height: 2.35rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  color: var(--text-primary);
  border-color: var(--border-prominent);
  background: var(--bg-surface);
}

.btn-github {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.9rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-prominent);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.btn-github:hover {
  background: var(--text-primary);
  color: var(--bg-surface);
  border-color: var(--text-primary);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  padding-block: 5rem 4rem;
  text-align: center;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.95rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-prominent);
  border-radius: 9999px;
  font-size: 0.825rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 1.75rem;
  box-shadow: var(--shadow-sm);
}

.hero-pill .dot {
  width: 7px;
  height: 7px;
  background: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 8px #10b981;
}

.hero-title {
  font-size: clamp(2.5rem, 5.5vw, 4.25rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.035em;
  margin-bottom: 1.5rem;
  max-width: 920px;
  margin-inline: auto;
}

.text-gradient {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 680px;
  margin-inline: auto;
  line-height: 1.65;
  margin-bottom: 2.5rem;
}

/* Install command bar */
.install-bar {
  max-width: 620px;
  margin-inline: auto;
  background: var(--bg-surface);
  border: 1px solid var(--border-prominent);
  border-radius: var(--radius-lg);
  padding: 0.75rem 1rem;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  margin-bottom: 2.5rem;
}

.install-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.65rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.5rem;
}

.tab-btn {
  background: none;
  border: none;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.tab-btn.active {
  color: var(--brand-primary);
  background: var(--bg-surface-elevated);
}

.tab-btn:hover:not(.active) {
  color: var(--text-primary);
}

.install-command-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: var(--terminal-bg);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--terminal-border);
}

.install-command {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--terminal-text);
  overflow-x: auto;
  white-space: nowrap;
  user-select: all;
}

.install-command .prompt {
  color: #10b981;
  margin-right: 0.5rem;
}

.btn-copy {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #f8fafc;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.btn-copy:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-copy.copied {
  background: #10b981;
  border-color: #10b981;
  color: #ffffff;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 4rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--brand-primary);
  color: #ffffff;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
  transition: all var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-prominent);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background: var(--bg-surface-elevated);
}

/* ==========================================================================
   Terminal Showcase Frame (Interactive Hero Preview)
   ========================================================================== */
.terminal-showcase {
  max-width: 1040px;
  margin-inline: auto;
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.terminal-switcher {
  display: inline-flex;
  gap: 0.35rem;
  background: rgba(30, 41, 59, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.35rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

:root[data-theme="light"] .terminal-switcher {
  background: rgba(241, 245, 249, 0.85);
  border-color: rgba(0, 0, 0, 0.08);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.terminal-switcher .terminal-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.15rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-sans);
}

.terminal-switcher .terminal-tab-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

:root[data-theme="light"] .terminal-switcher .terminal-tab-btn:hover {
  color: #0f172a;
  background: rgba(0, 0, 0, 0.05);
}

.terminal-switcher .terminal-tab-btn.active {
  background: linear-gradient(135deg, var(--brand-primary) 0%, #4f46e5 100%);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 2px 12px rgba(99, 102, 241, 0.4);
}

.terminal-showcase-frame {
  width: 100%;
  display: flex;
  justify-content: center;
}

.terminal-hero-img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 24px 70px -10px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255, 255, 255, 0.08);
  display: block;
  margin-inline: auto;
  cursor: zoom-in;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.terminal-hero-img:hover {
  transform: translateY(-2px);
  box-shadow: 0 30px 80px -10px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255, 255, 255, 0.12);
}

.terminal-content-view {
  display: none;
  width: 100%;
}

.terminal-content-view.active {
  display: block;
  animation: fadeIn 200ms ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Key Stats / Metrics Strip
   ========================================================================== */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  padding-block: 4rem;
  border-bottom: 1px solid var(--border-subtle);
}

.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  transition: transform var(--transition-fast);
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-prominent);
}

.stat-value {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--brand-primary);
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ==========================================================================
   Features Section (Bento Grid)
   ========================================================================== */
.section {
  padding-block: 5rem;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin-inline: auto;
  margin-bottom: 3.5rem;
}

.section-tag {
  text-transform: uppercase;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--brand-primary);
  margin-bottom: 0.75rem;
  display: block;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.5rem;
}

.bento-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

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

.bento-col-8 { grid-column: span 8; }
.bento-col-4 { grid-column: span 4; }
.bento-col-6 { grid-column: span 6; }
.bento-col-12 { grid-column: span 12; }

@media (max-width: 992px) {
  .bento-col-8, .bento-col-4, .bento-col-6 {
    grid-column: span 12;
  }
}

.card-icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-md);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.bento-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  letter-spacing: -0.015em;
}

.bento-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.bento-card .card-visual {
  margin-top: auto;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: var(--terminal-bg);
}

/* ==========================================================================
   Screenshots Gallery Section
   ========================================================================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
}

.gallery-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.gallery-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--brand-primary);
}

.gallery-img-wrap {
  position: relative;
  background: #030712;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.gallery-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
  transition: transform var(--transition-normal);
}

.gallery-card:hover .gallery-img-wrap img {
  transform: scale(1.02);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.gallery-card:hover .gallery-overlay {
  opacity: 1;
}

.badge-zoom {
  background: rgba(255, 255, 255, 0.9);
  color: #0f172a;
  padding: 0.4rem 0.8rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
}

.gallery-info {
  padding: 1.25rem 1.5rem;
}

.gallery-info h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.gallery-info p {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Lightbox Modal */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.lightbox.active {
  display: flex;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 90vh;
  position: relative;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 85vh;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.7);
  display: block;
}

.lightbox-close {
  position: absolute;
  top: -2.5rem;
  right: 0;
  background: none;
  border: none;
  color: #ffffff;
  font-size: 2rem;
  cursor: pointer;
}

/* ==========================================================================
   CLI Options Reference Table
   ========================================================================== */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  box-shadow: var(--shadow-sm);
}

.cli-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.925rem;
}

.cli-table th, .cli-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
}

.cli-table th {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.cli-table tr:hover td {
  background: var(--bg-surface-elevated);
}

.code-badge {
  font-family: var(--font-mono);
  font-size: 0.825rem;
  background: var(--bg-surface-elevated);
  padding: 0.2rem 0.45rem;
  border-radius: var(--radius-sm);
  color: var(--brand-primary);
  border: 1px solid var(--border-subtle);
  white-space: nowrap;
}

/* ==========================================================================
   Installation Section
   ========================================================================== */
.install-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.install-method-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
}

.install-method-card h4 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.install-method-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.code-box {
  background: var(--terminal-bg);
  border: 1px solid var(--terminal-border);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--terminal-text);
  overflow-x: auto;
  position: relative;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding-block: 3.5rem;
  background: var(--bg-surface);
  margin-top: auto;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-credits {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.footer-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--text-primary);
}

/* ==========================================================================
   Terminal Window Component
   ========================================================================== */
.terminal-window {
  background: var(--terminal-bg);
  border: 1px solid var(--terminal-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  margin-inline: auto;
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--terminal-border);
}

.terminal-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.control-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
}

.control-dot.red { background: #ef4444; }
.control-dot.yellow { background: #f59e0b; }
.control-dot.green { background: #10b981; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-grow: 1;
  text-align: center;
}

.terminal-body {
  padding: 1.25rem;
  color: var(--terminal-text);
  overflow-x: auto;
  font-family: var(--font-mono);
  line-height: 1.45;
}

/* ==========================================================================
   Doctor Diagnostic Test Styles
   ========================================================================== */
.doctor-verification-test {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px dashed var(--terminal-border);
  font-family: var(--font-mono);
  font-size: 0.825rem;
}

.doctor-test-title {
  color: var(--brand-secondary);
  font-weight: 700;
  margin-bottom: 1rem;
}

.doctor-test-item {
  margin-bottom: 1.25rem;
}

.doctor-bullet {
  color: var(--brand-primary);
  margin-right: 0.35rem;
}

.doctor-link {
  color: #38bdf8;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

.doctor-link:hover {
  color: #7dd3fc;
}

.doctor-swatch {
  display: inline-block;
  width: 32px;
  height: 32px;
  border-radius: 4px;
  background: linear-gradient(135deg, #06b6d4 0%, #6366f1 50%, #ec4899 100%);
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  vertical-align: middle;
}

/* ==========================================================================
   Mermaid Feature Cards & Grid
   ========================================================================== */
.mermaid-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
  margin-top: 2rem;
}

.mermaid-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.5rem;
  transition: all var(--transition-normal);
}

.mermaid-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--brand-primary);
}

.mermaid-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.mermaid-card p {
  color: var(--text-secondary);
  font-size: 0.925rem;
  line-height: 1.6;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .hero-ctas {
    flex-direction: column;
    width: 100%;
  }
  .btn-primary, .btn-secondary {
    width: 100%;
    justify-content: center;
  }
  .terminal-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
}