/* ==========================================================================
   Adarsh Pawaskar - Systems Architect Dossier Design System (Refined UI/UX)
   Aesthetic: Ultra-Modern Liquid Glass / Glassmorphism in Pitch Black
   ========================================================================== */

:root {
  /* Header & Sticky Offsets */
  --header-height: 88px;
  --sticky-offset: calc(var(--header-height) + 0.75rem);

  /* State-of-the-Art Liquid Glass Tokens (Pitch Black & Obsidian Edition) */
  --bg-canvas: #000000;
  
  /* Layered specular glass gradients: top-left reflection + deep translucent obsidian backing */
  --glass-bg: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.015) 50%, rgba(0, 0, 0, 0.5) 100%), rgba(10, 10, 12, 0.65);
  --glass-bg-subtle: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 60%), rgba(14, 14, 16, 0.6);
  --glass-bg-accent: linear-gradient(135deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.02) 50%, rgba(0, 0, 0, 0.5) 100%), rgba(12, 12, 14, 0.7);
  --glass-bg-card: linear-gradient(135deg, rgba(255, 255, 255, 0.07) 0%, rgba(255, 255, 255, 0.01) 45%, rgba(0, 0, 0, 0.45) 100%), rgba(12, 12, 14, 0.65);
  
  --glass-border: 1px solid rgba(255, 255, 255, 0.12);
  --glass-border-hover: 1px solid rgba(255, 255, 255, 0.32);
  --glass-blur: blur(20px) saturate(180%);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-card: rgba(255, 255, 255, 0.12);
  --border-glass-bevel: linear-gradient(135deg, rgba(255, 255, 255, 0.35) 0%, rgba(255, 255, 255, 0.04) 50%, rgba(255, 255, 255, 0.15) 100%);
  --border-active: #ffffff;
  
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --text-dim: #52525b;

  --role-title: #d4d4d8;
  --accent-cyan: #e4e4e7;
  --accent-indigo: #a1a1aa;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;

  /* Specular rim lighting: depth drop shadow + top specular edge highlight + subtle interior glow */
  --glass-shadow: 
    0 16px 36px 0 rgba(0, 0, 0, 0.7),
    inset 0 1px 1px 0 rgba(255, 255, 255, 0.22),
    inset 0 0 16px 0 rgba(255, 255, 255, 0.015);
  
  --glass-shadow-glow: 
    0 24px 52px 0 rgba(0, 0, 0, 0.9),
    0 0 24px 0 rgba(255, 255, 255, 0.08),
    inset 0 1px 2px 0 rgba(255, 255, 255, 0.36);

  --glass-shadow-hover: var(--glass-shadow-glow);

  --pill-bg: rgba(255, 255, 255, 0.04);
  --pill-bg-strong: rgba(255, 255, 255, 0.09);
  --pill-border: rgba(255, 255, 255, 0.1);
  --pill-border-strong: rgba(255, 255, 255, 0.25);

  /* Spotlight Radial Glow Tokens (Pitch Black Obsidian Glass Edition) */
  --spotlight-color: rgba(255, 255, 255, 0.12);
  --spotlight-size: 460px;
  --spotlight-border: rgba(255, 255, 255, 0.36);
  --spotlight-glow: 0 16px 36px -8px rgba(0, 0, 0, 0.9), 0 0 24px -2px rgba(255, 255, 255, 0.1), inset 0 1px 1px 0 rgba(255, 255, 255, 0.3);

  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

:root[data-theme="light"],
html[data-theme="light"],
[data-theme="light"] {
  --bg-canvas: #f6f8fc;
  --glass-bg: linear-gradient(135deg, rgba(255, 255, 255, 0.94) 0%, rgba(255, 255, 255, 0.75) 100%);
  --glass-bg-subtle: linear-gradient(135deg, rgba(255, 255, 255, 0.85) 0%, rgba(244, 247, 251, 0.7) 100%);
  --glass-bg-accent: linear-gradient(135deg, rgba(255, 255, 255, 0.96) 0%, rgba(224, 242, 254, 0.7) 100%);
  --glass-bg-card: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.8) 100%);
  
  --glass-border: 1px solid rgba(203, 213, 225, 0.75);
  --glass-border-hover: 1px solid rgba(14, 165, 233, 0.5);
  --glass-blur: blur(20px) saturate(160%);

  --border-subtle: rgba(203, 213, 225, 0.65);
  --border-card: rgba(148, 163, 184, 0.35);
  --border-glass-bevel: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.9) 35%, rgba(14, 165, 233, 0.35) 100%);
  --border-active: #0284c7;

  --text-primary: #090d16;
  --text-secondary: #27364b;
  --text-muted: #53647c;
  --text-dim: #8494a8;

  --role-title: #0284c7;
  --accent-cyan: #0284c7;
  --accent-indigo: #4f46e5;
  --accent-emerald: #059669;
  --accent-amber: #d97706;
  --accent-rose: #e11d48;

  --glass-shadow: 
    0 1px 2px rgba(15, 23, 42, 0.04),
    0 12px 28px -6px rgba(15, 23, 42, 0.07),
    0 24px 48px -12px rgba(2, 132, 199, 0.05),
    inset 0 1px 1px 0 #ffffff;
  
  --glass-shadow-glow: 
    0 1px 3px rgba(15, 23, 42, 0.06),
    0 20px 40px -10px rgba(2, 132, 199, 0.22),
    0 32px 64px -16px rgba(15, 23, 42, 0.08),
    inset 0 1px 2px 0 #ffffff;

  --glass-shadow-hover: var(--glass-shadow-glow);

  --pill-bg: rgba(255, 255, 255, 0.9);
  --pill-bg-strong: rgba(224, 242, 254, 0.95);
  --pill-border: rgba(203, 213, 225, 0.85);
  --pill-border-strong: #38bdf8;

  --spotlight-color: rgba(2, 132, 199, 0.16);
  --spotlight-size: 460px;
  --spotlight-border: rgba(2, 132, 199, 0.7);
  --spotlight-glow: 0 12px 28px -6px rgba(15, 23, 42, 0.08), 0 0 22px -2px rgba(2, 132, 199, 0.3), inset 0 1px 1px 0 #ffffff;
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-canvas);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  overflow-x: hidden;
  width: 100%;
  transition: background-color 0.25s cubic-bezier(0.16, 1, 0.3, 1), color 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-canvas);
  color: var(--text-secondary);
  overflow-x: hidden;
  width: 100%;
  background-image: 
    radial-gradient(circle at 18% 12%, rgba(255, 255, 255, 0.07) 0%, transparent 45%),
    radial-gradient(circle at 82% 24%, rgba(255, 255, 255, 0.04) 0%, transparent 45%),
    radial-gradient(circle at 50% 55%, rgba(255, 255, 255, 0.035) 0%, transparent 50%),
    radial-gradient(circle at 20% 82%, rgba(255, 255, 255, 0.045) 0%, transparent 45%);
  background-attachment: fixed;
  transition: background-color 0.25s cubic-bezier(0.16, 1, 0.3, 1), color 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

:root[data-theme="light"] body,
html[data-theme="light"] body,
[data-theme="light"] body,
body[data-theme="light"] {
  background-color: var(--bg-canvas);
  color: var(--text-secondary);
  background-image: 
    radial-gradient(circle at 8% 12%, rgba(14, 165, 233, 0.12) 0%, transparent 38%),
    radial-gradient(circle at 92% 20%, rgba(99, 102, 241, 0.08) 0%, transparent 42%),
    radial-gradient(circle at 50% 65%, rgba(16, 185, 129, 0.05) 0%, transparent 45%),
    radial-gradient(circle at 80% 85%, rgba(244, 63, 94, 0.04) 0%, transparent 40%);
  background-attachment: fixed;
}

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   Hero / Dossier Header
   ========================================================================== */
.dossier-hero {
  padding: 56px 0 44px;
  border-bottom: 1px solid var(--border-subtle);
}

.hero-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--accent-emerald);
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
  padding: 4px 10px;
  border-radius: 9999px;
}

.status-dot {
  width: 7px;
  height: 7px;
  background: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-emerald);
}

.hero-layout {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 48px;
  align-items: start;
}

.bio-block h1 {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin-bottom: 8px;
}

.bio-block .role-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--role-title);
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}

.bio-block .lead-text {
  font-size: 14.5px;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 22px;
}

.bio-block .lead-text strong {
  color: var(--text-primary);
  font-weight: 600;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.btn-dossier {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  font-size: 12.5px;
  font-weight: 600;
  padding: 8px 15px;
  border-radius: 6px;
  text-decoration: none;
  border: 1px solid var(--border-subtle);
  transition: all 0.15s ease;
}

.btn-dossier:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

[data-theme="light"] .btn-dossier {
  background: #ffffff;
  color: var(--text-primary);
  border: 1px solid var(--border-card);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .btn-dossier:hover {
  background: #f1f5f9;
  border-color: #cbd5e1;
}

.btn-dossier.primary {
  background: #ffffff;
  color: #000000;
  border-color: #ffffff;
}

[data-theme="light"] .btn-dossier.primary {
  background: #0284c7;
  color: #ffffff;
  border-color: #0284c7;
}

.btn-dossier.primary:hover {
  opacity: 0.92;
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

[data-theme="light"] .btn-dossier.primary:hover {
  box-shadow: 0 0 16px rgba(2, 132, 199, 0.4);
}

/* Vital Signs / Metrics Panel (Liquid Glass Card) */
.vital-panel {
  --spotlight-color: rgba(16, 185, 129, 0.28);
  --spotlight-size: 380px;
  --spotlight-border: rgba(16, 185, 129, 0.85);
  --spotlight-glow: 
    0 16px 36px -8px rgba(0, 0, 0, 0.85),
    0 0 28px -2px rgba(16, 185, 129, 0.4),
    inset 0 1px 1px 0 rgba(255, 255, 255, 0.35);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--glass-shadow);
  position: relative;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.vital-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border-glass-bevel);
}

.vital-panel:hover {
  border-color: var(--spotlight-border);
  box-shadow: var(--spotlight-glow);
  transform: translateY(-2px);
}

[data-theme="light"] .vital-panel {
  --spotlight-color: rgba(5, 150, 105, 0.16);
  --spotlight-border: rgba(5, 150, 105, 0.7);
  --spotlight-glow: 
    0 12px 28px -6px rgba(15, 23, 42, 0.08),
    0 0 20px -2px rgba(5, 150, 105, 0.28),
    inset 0 1px 1px 0 #ffffff;
}

[data-theme="light"] .vital-panel:hover {
  border-color: var(--spotlight-border);
  box-shadow: var(--spotlight-glow);
}

.vital-panel-title {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.vital-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.vital-stat {
  padding: 12px 14px;
  background: var(--glass-bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  transition: all 0.2s ease;
}

.vital-stat:hover {
  border-color: rgba(255, 255, 255, 0.28);
  background: var(--glass-bg-accent);
  box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

[data-theme="light"] .vital-stat:hover {
  border-color: var(--accent-cyan);
  background: rgba(14, 165, 233, 0.08);
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.stat-label {
  font-size: 10.5px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 3px;
}

.vital-role-summary {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==========================================================================
   Technical Arsenal & Keyword Index (Clean, Orderly Grid Layout)
   ========================================================================== */
.arsenal-strip {
  padding: 36px 0 44px;
  border-bottom: 1px solid var(--border-subtle);
}

.arsenal-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--glass-shadow);
}

.arsenal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding: 16px 24px;
  background: var(--glass-bg-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.arsenal-badge {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-primary);
}

[data-theme="light"] .arsenal-badge {
  color: var(--accent-cyan);
}

.arsenal-note {
  font-size: 12px;
  color: var(--text-muted);
}

.arsenal-grid {
  display: flex;
  flex-direction: column;
}

.arsenal-row {
  display: grid;
  grid-template-columns: 260px 1fr;
  align-items: center;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-subtle);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.arsenal-row:last-child {
  border-bottom: none;
}

.arsenal-row:hover {
  background: rgba(255, 255, 255, 0.025);
}

[data-theme="light"] .arsenal-row:hover {
  background: rgba(14, 165, 233, 0.04);
}

.arsenal-cat {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 10px;
  padding-right: 20px;
  border-right: 1px solid var(--border-subtle);
  height: 100%;
}

.arsenal-cat::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.6);
  flex-shrink: 0;
}

[data-theme="light"] .arsenal-cat::before {
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
}

.arsenal-stream {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-secondary);
  padding-left: 20px;
}

.kw {
  color: var(--text-secondary);
  transition: all 0.15s ease;
  display: inline-block;
}

.kw.strong {
  color: var(--text-primary);
  font-weight: 600;
}

.kw:hover {
  color: #ffffff;
  transform: translateY(-1px);
}

[data-theme="light"] .kw:hover {
  color: var(--accent-cyan);
}

.dot {
  color: var(--text-dim);
  margin: 0 7px;
  user-select: none;
  font-size: 11px;
}

@media (max-width: 860px) {
  .arsenal-row {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 16px 18px;
  }
  .arsenal-cat {
    border-right: none;
    padding-right: 0;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-subtle);
  }
  .arsenal-stream {
    padding-left: 0;
  }
}

/* ==========================================================================
   Section General
   ========================================================================== */
.dossier-section {
  padding: 56px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.section-head {
  margin-bottom: 30px;
}

.section-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-cyan);
  margin-bottom: 6px;
  display: block;
}

.section-title {
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.015em;
  margin-bottom: 6px;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 13.5px;
  max-width: 740px;
}

/* ==========================================================================
   FEATURE 1: End-to-End Systems Lifecycle Stepper (Horizontal Pipeline)
   ========================================================================== */
.lifecycle-pipeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  margin-top: 10px;
}

.pipeline-step {
  --spotlight-color: rgba(255, 255, 255, 0.12);
  --spotlight-size: 380px;
  --spotlight-border: rgba(255, 255, 255, 0.36);
  --spotlight-glow: 
    0 16px 36px -8px rgba(0, 0, 0, 0.85),
    0 0 20px -2px rgba(255, 255, 255, 0.1),
    inset 0 1px 1px 0 rgba(255, 255, 255, 0.35);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: 12px;
  padding: 18px 16px;
  position: relative;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.pipeline-step::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.8), transparent);
  opacity: 0;
  transition: opacity 0.25s ease;
  z-index: 3;
}

[data-theme="light"] .pipeline-step::before {
  background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
}

.pipeline-step:hover {
  border-color: var(--spotlight-border);
  background: var(--glass-bg-accent);
  transform: translateY(-4px);
  box-shadow: var(--spotlight-glow);
}

[data-theme="light"] .pipeline-step {
  --spotlight-color: rgba(2, 132, 199, 0.16);
  --spotlight-border: rgba(2, 132, 199, 0.75);
  --spotlight-glow: 
    0 12px 25px -8px rgba(2, 132, 199, 0.18),
    0 0 20px -2px rgba(2, 132, 199, 0.3),
    inset 0 1px 1px 0 #ffffff;
}

[data-theme="light"] .pipeline-step:hover {
  border-color: var(--spotlight-border);
  box-shadow: var(--spotlight-glow);
}

.pipeline-step:hover::before {
  opacity: 1;
}

.step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  font-weight: 700;
  letter-spacing: 0.05em;
}

[data-theme="light"] .step-num {
  color: var(--accent-cyan);
}

.step-phase {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  line-height: 1.3;
}

.step-summary {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.45;
  margin-bottom: 12px;
  flex-grow: 1;
}

.step-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.step-pill {
  font-family: var(--font-mono);
  font-size: 10px;
  background: var(--pill-bg);
  border: 1px solid var(--pill-border);
  color: var(--text-secondary);
  padding: 3px 7px;
  border-radius: 4px;
}

/* ==========================================================================
   Quick Access Systems Cockpit Table (Liquid Glass Matrix)
   ========================================================================== */
.cockpit-table-wrap {
  --spotlight-color: rgba(255, 255, 255, 0.12);
  --spotlight-size: 520px;
  --spotlight-border: rgba(255, 255, 255, 0.36);
  --spotlight-glow: 
    0 18px 42px -10px rgba(0, 0, 0, 0.85),
    0 0 24px -2px rgba(255, 255, 255, 0.1),
    inset 0 1px 1px 0 rgba(255, 255, 255, 0.3);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: 16px;
  overflow-x: auto;
  margin-bottom: 32px;
  box-shadow: var(--glass-shadow);
  position: relative;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.cockpit-table-wrap::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border-glass-bevel);
  z-index: 3;
}

.cockpit-table-wrap:hover {
  box-shadow: var(--spotlight-glow);
  border-color: var(--spotlight-border);
}

[data-theme="light"] .cockpit-table-wrap {
  --spotlight-color: rgba(2, 132, 199, 0.14);
  --spotlight-border: rgba(2, 132, 199, 0.75);
  --spotlight-glow: 
    0 12px 28px -6px rgba(15, 23, 42, 0.08),
    0 0 20px -2px rgba(2, 132, 199, 0.28),
    inset 0 1px 1px 0 #ffffff;
}

[data-theme="light"] .cockpit-table-wrap:hover {
  border-color: var(--spotlight-border);
  box-shadow: var(--spotlight-glow);
}

.cockpit-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  text-align: left;
}

.cockpit-table thead th {
  background: var(--glass-bg-subtle);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-subtle);
  font-weight: 600;
  white-space: nowrap;
}

.cockpit-table tbody tr {
  border-bottom: 1px solid var(--border-subtle);
  transition: all 0.2s ease;
  position: relative;
}

.cockpit-table tbody tr:last-child {
  border-bottom: none;
}

.cockpit-table tbody tr:hover {
  background: rgba(56, 189, 248, 0.07);
  box-shadow: inset 3px 0 0 var(--spotlight-border);
}

[data-theme="light"] .cockpit-table tbody tr:hover {
  background: rgba(14, 165, 233, 0.08);
  box-shadow: inset 3px 0 0 var(--accent-cyan);
}

.cockpit-table tbody td {
  padding: 15px 18px;
  vertical-align: middle;
}

.table-sys-name {
  color: var(--text-primary);
  font-weight: 700;
  font-size: 13.5px;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: -0.01em;
}

.table-sys-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
  padding-left: 24px;
}

.table-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  font-size: 11.5px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 6px;
  text-decoration: none;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.table-btn.launch {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.table-btn.launch:hover {
  background: #ffffff;
  color: #000000;
  box-shadow: 0 0 16px rgba(255, 255, 255, 0.35);
  transform: translateY(-1px);
}

[data-theme="light"] .table-btn.launch {
  background: var(--pill-bg-strong);
  color: var(--accent-cyan);
  border: 1px solid var(--accent-cyan);
}

[data-theme="light"] .table-btn.launch:hover {
  background: var(--accent-cyan);
  color: #ffffff;
  box-shadow: 0 0 16px rgba(2, 132, 199, 0.4);
}

.table-btn.repo {
  background: var(--pill-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.table-btn.repo:hover {
  background: var(--border-subtle);
  border-color: var(--text-muted);
  transform: translateY(-1px);
}

[data-theme="light"] .table-btn.repo {
  background: #ffffff;
  color: var(--text-primary);
  border: 1px solid var(--border-card);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .table-btn.repo:hover {
  background: #f1f5f9;
  border-color: #cbd5e1;
}

.table-stack {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-secondary);
}

.table-focus {
  font-size: 12.5px;
  color: var(--text-secondary);
  line-height: 1.45;
}

.table-dim {
  color: var(--text-dim);
  font-family: var(--font-mono);
}

/* ==========================================================================
   Flagship Systems Stack (3D Liquid Glass Cards)
   ========================================================================== */
.systems-stack {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* ==========================================================================
   Spotlight Radial Glow System (Linear / Raycast Liquid Glass Edition)
   ========================================================================== */
.spotlight-card {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  transition: 
    transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    border-color 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.spotlight-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  background: radial-gradient(
    var(--spotlight-size, 460px) circle at var(--mouse-x, -999px) var(--mouse-y, -999px),
    var(--spotlight-color, rgba(56, 189, 248, 0.28)) 0%,
    rgba(14, 165, 233, 0.16) 38%,
    rgba(2, 132, 199, 0.05) 65%,
    transparent 80%
  );
  transition: opacity 0.35s ease;
}

.spotlight-card > * {
  position: relative;
  z-index: 2;
}

.spotlight-card::before {
  z-index: 3;
}

@media (hover: hover) and (pointer: fine) {
  .spotlight-card:hover {
    border-color: var(--spotlight-border);
    box-shadow: var(--spotlight-glow);
  }

  .spotlight-card:hover::after {
    opacity: 1;
  }
}

.system-card {
  --spotlight-color: rgba(255, 255, 255, 0.12);
  --spotlight-size: 500px;
  --spotlight-border: rgba(255, 255, 255, 0.38);
  --spotlight-glow: 
    0 20px 48px -10px rgba(0, 0, 0, 0.95),
    0 0 24px -2px rgba(255, 255, 255, 0.12),
    inset 0 1px 1px 0 rgba(255, 255, 255, 0.38);
  background: var(--glass-bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: 18px;
  padding: 30px;
  box-shadow: var(--glass-shadow);
  transform-style: preserve-3d;
}

.system-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border-glass-bevel);
  opacity: 0.9;
  transition: opacity 0.3s ease;
}

.system-card:hover {
  transform: translateY(-4px) scale(1.003);
  box-shadow: var(--spotlight-glow);
}

[data-theme="light"] .system-card {
  --spotlight-color: rgba(2, 132, 199, 0.18);
  --spotlight-border: rgba(2, 132, 199, 0.75);
  --spotlight-glow: 
    0 14px 32px -8px rgba(2, 132, 199, 0.2),
    0 0 24px -2px rgba(2, 132, 199, 0.35),
    inset 0 1px 2px 0 #ffffff;
}

[data-theme="light"] .system-card:hover {
  box-shadow: var(--spotlight-glow);
}

.system-card:hover::before {
  opacity: 1;
}

.system-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.system-identity {
  display: flex;
  align-items: center;
  gap: 12px;
}

.system-icon {
  font-size: 24px;
}

.system-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
}

.system-meta-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.sys-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--pill-bg);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.sys-tag.accent {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.08);
}

[data-theme="light"] .sys-tag.accent {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  background: var(--pill-bg-strong);
}

.system-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 18px;
}

.system-specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 12px;
  background: var(--glass-bg-subtle);
  padding: 16px 18px;
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
  margin-bottom: 20px;
}

.spec-bullet {
  font-size: 12.5px;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.spec-bullet strong {
  color: var(--text-primary);
}

.spec-bullet::before {
  content: '▸';
  color: var(--text-muted);
  font-weight: bold;
}

[data-theme="light"] .spec-bullet::before {
  color: var(--accent-cyan);
}

.system-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.btn-sys {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.15s ease;
}

.btn-sys.launch {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-sys.launch:hover {
  background: #ffffff;
  color: #000000;
  box-shadow: 0 0 16px rgba(255, 255, 255, 0.35);
  transform: translateY(-1px);
}

[data-theme="light"] .btn-sys.launch {
  background: var(--pill-bg-strong);
  color: var(--accent-cyan);
  border: 1px solid var(--accent-cyan);
}

[data-theme="light"] .btn-sys.launch:hover {
  background: var(--accent-cyan);
  color: #ffffff;
  box-shadow: 0 0 16px rgba(2, 132, 199, 0.4);
}

.btn-sys.repo {
  background: var(--pill-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.btn-sys.repo:hover {
  background: var(--border-subtle);
  border-color: var(--text-muted);
  transform: translateY(-1px);
}

[data-theme="light"] .btn-sys.repo {
  background: #ffffff;
  color: var(--text-primary);
  border: 1px solid var(--border-card);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .btn-sys.repo:hover {
  background: #f1f5f9;
  border-color: #cbd5e1;
}

/* ==========================================================================
   Dual Runtime Labs Comparison
   ========================================================================== */
.runtime-comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.runtime-card {
  --spotlight-color: rgba(129, 140, 248, 0.32);
  --spotlight-size: 450px;
  --spotlight-border: rgba(129, 140, 248, 0.9);
  --spotlight-glow: 
    0 18px 40px -10px rgba(0, 0, 0, 0.85),
    0 0 30px -2px rgba(129, 140, 248, 0.4),
    inset 0 1px 1px 0 rgba(255, 255, 255, 0.4);
  background: var(--glass-bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: 16px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--glass-shadow);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
}

.runtime-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border-glass-bevel);
  opacity: 0.9;
  transition: opacity 0.25s ease;
}

.runtime-card:hover {
  transform: translateY(-5px) scale(1.004);
  border-color: var(--spotlight-border);
  box-shadow: var(--spotlight-glow);
}

[data-theme="light"] .runtime-card {
  --spotlight-color: rgba(79, 70, 229, 0.16);
  --spotlight-border: rgba(79, 70, 229, 0.7);
  --spotlight-glow: 
    0 12px 28px -6px rgba(15, 23, 42, 0.08),
    0 0 20px -2px rgba(79, 70, 229, 0.3),
    inset 0 1px 1px 0 #ffffff;
}

[data-theme="light"] .runtime-card:hover {
  border-color: var(--spotlight-border);
  box-shadow: var(--spotlight-glow);
}

.runtime-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.runtime-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.runtime-desc {
  font-size: 13.5px;
  color: var(--text-secondary);
  margin-bottom: 14px;
  line-height: 1.55;
}

.runtime-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 18px;
}

.runtime-bullets li {
  font-size: 12px;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 7px;
}

.runtime-bullets li strong {
  color: var(--text-primary);
}

.runtime-bullets li::before {
  content: '✦';
  color: var(--text-muted);
  font-size: 9px;
  margin-top: 3px;
}

[data-theme="light"] .runtime-bullets li::before {
  color: var(--accent-cyan);
}

/* ==========================================================================
   FEATURE 2: Enterprise Architectural Domains Matrix (Grouped 2-Column Cards)
   ========================================================================== */
.domain-matrix {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 20px;
}

.domain-card {
  --spotlight-color: rgba(255, 255, 255, 0.12);
  --spotlight-size: 440px;
  --spotlight-border: rgba(255, 255, 255, 0.36);
  --spotlight-glow: 
    0 16px 36px -8px rgba(0, 0, 0, 0.85),
    0 0 20px -2px rgba(255, 255, 255, 0.1),
    inset 0 1px 1px 0 rgba(255, 255, 255, 0.35);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: 14px;
  padding: 24px;
  box-shadow: var(--glass-shadow);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.domain-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border-glass-bevel);
}

.domain-card:hover {
  transform: translateY(-4px);
  border-color: var(--spotlight-border);
  box-shadow: var(--spotlight-glow);
}

[data-theme="light"] .domain-card {
  --spotlight-color: rgba(2, 132, 199, 0.16);
  --spotlight-border: rgba(2, 132, 199, 0.75);
  --spotlight-glow: 
    0 12px 28px -6px rgba(15, 23, 42, 0.08),
    0 0 22px -2px rgba(2, 132, 199, 0.3),
    inset 0 1px 1px 0 #ffffff;
}

[data-theme="light"] .domain-card:hover {
  border-color: var(--spotlight-border);
  box-shadow: var(--spotlight-glow);
}

.domain-card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-subtle);
}

.domain-icon {
  font-size: 18px;
}

.domain-name {
  font-size: 13.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

.domain-specs {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.domain-spec-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.spec-category {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}

.spec-details {
  font-size: 12.5px;
  color: var(--text-secondary);
  line-height: 1.45;
}

.spec-details strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* ==========================================================================
   Experience & Leadership
   ========================================================================== */
.exp-item {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--glass-shadow);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.exp-item:hover {
  border-color: var(--spotlight-border);
  box-shadow: var(--spotlight-glow);
  transform: translateY(-2px);
}

[data-theme="light"] .exp-item:hover {
  border-color: var(--spotlight-border);
  box-shadow: var(--spotlight-glow);
}

.exp-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

.exp-role {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.exp-company {
  color: var(--accent-cyan);
  font-weight: 600;
}

.exp-date {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.04);
  padding: 3px 8px;
  border-radius: 4px;
}

[data-theme="light"] .exp-date {
  background: rgba(0, 0, 0, 0.05);
  color: var(--text-secondary);
}

.experience-timeline {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.exp-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.exp-bullets li {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.6;
}

.exp-bullets li strong {
  color: var(--text-primary);
  font-weight: 600;
}

.exp-bullets li::before {
  content: '—';
  color: var(--text-dim);
}

/* ==========================================================================
   FEATURE: Certifications & Continuous Governance Ledger (Row Matrix)
   ========================================================================== */
.cert-ledger-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--glass-shadow);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.cert-ledger-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border-glass-bevel);
}

.cert-ledger-card:hover {
  border-color: var(--spotlight-border);
  box-shadow: var(--spotlight-glow);
}

[data-theme="light"] .cert-ledger-card:hover {
  border-color: var(--spotlight-border);
  box-shadow: var(--spotlight-glow);
}

.cert-ledger-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding: 14px 24px;
  background: var(--glass-bg-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.cert-ledger-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-primary);
}

[data-theme="light"] .cert-ledger-badge {
  color: var(--accent-cyan);
}

.cert-ledger-count {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.cert-ledger-rows {
  display: flex;
  flex-direction: column;
}

.cert-ledger-row {
  display: grid;
  grid-template-columns: 280px 1fr;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-subtle);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  gap: 20px;
  align-items: start;
}

.cert-ledger-row:last-child {
  border-bottom: none;
}

.cert-ledger-row:hover {
  background: rgba(255, 255, 255, 0.025);
}

[data-theme="light"] .cert-ledger-row:hover {
  background: rgba(14, 165, 233, 0.04);
}

.cert-row-cat {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding-right: 16px;
  border-right: 1px solid var(--border-subtle);
  height: 100%;
}

.cert-row-icon {
  font-size: 22px;
  line-height: 1.1;
  flex-shrink: 0;
}

.cert-row-cat-name {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-family: var(--font-mono);
  line-height: 1.3;
}

.cert-row-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 3px;
  line-height: 1.4;
}

.cert-row-items {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.cert-entry {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  transition: all 0.15s ease;
}

[data-theme="light"] .cert-entry {
  background: #ffffff;
  border-color: rgba(203, 213, 225, 0.7);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

.cert-entry:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateX(2px);
}

[data-theme="light"] .cert-entry:hover {
  background: #f8fafc;
  border-color: #38bdf8;
}

.cert-entry-main {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
}

.cert-entry-title {
  font-weight: 600;
  color: var(--text-primary);
}

.cert-entry-issuer {
  font-size: 11.5px;
  color: var(--text-muted);
}

.cert-entry-id {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent-cyan);
  background: var(--pill-bg);
  padding: 1px 6px;
  border-radius: 3px;
  border: 1px dashed var(--border-subtle);
}

.cert-entry-meta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.cert-entry-pill {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  background: var(--pill-bg);
  border: 1px solid var(--pill-border);
  padding: 2px 7px;
  border-radius: 4px;
  white-space: nowrap;
}

.cert-entry-status {
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--text-muted);
  padding: 2px 6px;
  border-radius: 4px;
}

.cert-entry-status.verified {
  color: var(--accent-emerald);
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

@media (max-width: 860px) {
  .cert-ledger-row {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 16px 18px;
  }
  .cert-row-cat {
    border-right: none;
    padding-right: 0;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-subtle);
  }
}

/* ==========================================================================
   Fixed Floating Quick-Scroll Rail (Right Rail ScrollSpy)
   ========================================================================== */
.dossier-rail {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 9999;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: 14px;
  padding: 12px 14px;
  box-shadow: var(--glass-shadow);
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  max-width: 195px;
}

.dossier-rail::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border-glass-bevel);
}

.rail-header {
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  padding: 0 4px 6px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 4px;
}

[data-theme="light"] .rail-header {
  color: var(--accent-cyan);
}

.rail-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 0;
  padding: 0;
}

.rail-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 8px;
  border-radius: 6px;
  text-decoration: none;
  font-size: 11px;
  color: var(--text-secondary);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}

.rail-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-dim);
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.rail-text {
  transition: color 0.2s ease;
}

.rail-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
  transform: translateX(-2px);
}

[data-theme="light"] .rail-link:hover {
  background: rgba(14, 165, 233, 0.08);
  color: #0284c7;
}

.rail-link.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.09);
  font-weight: 600;
}

.rail-link.active .rail-dot {
  background: #ffffff;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.9);
  transform: scale(1.3);
}

[data-theme="light"] .rail-link.active {
  color: #0284c7;
  background: rgba(224, 242, 254, 0.95);
}

[data-theme="light"] .rail-link.active .rail-dot {
  background: #0284c7;
  box-shadow: 0 0 8px rgba(2, 132, 199, 0.6);
}

@media (max-width: 1440px) {
  .dossier-rail {
    right: 12px;
    padding: 8px 10px;
    max-width: 44px;
    overflow: hidden;
  }
  .rail-header {
    display: none;
  }
  .rail-text {
    display: none;
  }
  .rail-link {
    padding: 6px;
    justify-content: center;
  }
}

@media (max-width: 1120px) {
  .dossier-rail {
    display: none;
  }
}

/* ==========================================================================
   High-Performance Mobile Responsive System & GPU Optimizations
   ========================================================================== */

/* 1. Mobile GPU & Battery Optimizations (< 768px) */
@media (max-width: 768px) {
  body {
    /* Eliminates heavy GPU full-page repaints during mobile inertia scroll */
    background-attachment: scroll;
  }

  :root {
    /* Lighter blur saves GPU fill-rate on mobile chipsets with zero perceived loss */
    --glass-blur: blur(12px) saturate(140%);
  }

  .system-card,
  .runtime-card,
  .spotlight-card {
    /* Avoids creating redundant 3D compositing layers on mobile */
    transform-style: flat;
  }
}

/* 2. Tablet & Medium Displays (< 960px) */
@media (max-width: 960px) {
  .hero-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .lifecycle-pipeline {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .runtime-comparison-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .domain-matrix {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* 3. Mobile Phones (< 640px) */
@media (max-width: 640px) {
  .container {
    padding: 0 16px;
  }

  .dossier-hero {
    padding: 28px 0 24px;
  }

  .hero-topline {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 16px;
  }

  .bio-block h1 {
    font-size: 1.85rem;
    line-height: 1.2;
    margin-bottom: 6px;
  }

  .bio-block .role-title {
    font-size: 1.05rem;
    margin-bottom: 14px;
  }

  .bio-block .lead-text {
    font-size: 13.5px;
    line-height: 1.6;
    margin-bottom: 18px;
  }

  .action-row {
    gap: 8px;
  }

  .btn-dossier {
    flex: 1 1 calc(50% - 8px);
    justify-content: center;
    padding: 10px 12px;
    font-size: 12px;
    min-height: 42px; /* iOS/Android touch target guideline */
  }

  .btn-dossier.primary {
    flex: 1 1 100%;
  }

  /* Vital Signs Panel */
  .vital-panel {
    padding: 18px 16px;
    border-radius: 14px;
  }

  .vital-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .vital-stat {
    padding: 10px 12px;
  }

  .stat-value {
    font-size: 1.25rem;
  }

  .stat-label {
    font-size: 11px;
  }

  /* Section Spacing & Headers */
  .dossier-section {
    padding: 40px 0;
  }

  .section-head {
    margin-bottom: 20px;
  }

  .section-title {
    font-size: 1.35rem;
  }

  .section-subtitle {
    font-size: 12.5px;
  }

  /* Cockpit Table Matrix */
  .cockpit-table-wrap {
    margin-bottom: 24px;
    border-radius: 14px;
    -webkit-overflow-scrolling: touch;
  }

  .cockpit-table {
    min-width: 680px; /* Guarantees data columns never collapse illegibly */
  }

  .cockpit-table tbody td {
    padding: 12px 14px;
  }

  /* System Cards */
  .system-card {
    padding: 18px 16px;
    border-radius: 14px;
  }

  .system-card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .system-identity {
    gap: 10px;
  }

  .system-icon {
    font-size: 20px;
  }

  .system-title {
    font-size: 1.15rem;
  }

  .system-desc {
    font-size: 13px;
    margin-bottom: 14px;
  }

  .system-specs-grid {
    grid-template-columns: 1fr;
    padding: 12px 14px;
    gap: 10px;
    margin-bottom: 16px;
  }

  .spec-bullet {
    font-size: 12px;
  }

  .system-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .system-actions .btn-sys {
    width: 100%;
    justify-content: center;
    padding: 10px 14px;
    min-height: 42px;
  }

  /* Runtime Comparison Cards */
  .runtime-card {
    padding: 18px 16px;
    border-radius: 14px;
  }

  .runtime-title {
    font-size: 1.15rem;
  }

  .runtime-desc {
    font-size: 13px;
  }

  /* Technology Arsenal */
  .arsenal-strip {
    padding: 28px 0 36px;
  }

  .arsenal-card {
    border-radius: 12px;
  }

  .arsenal-head {
    padding: 14px 16px;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .arsenal-badge {
    font-size: 10.5px;
  }

  .arsenal-note {
    font-size: 11px;
  }

  .arsenal-row {
    padding: 14px 16px;
  }

  .arsenal-stream {
    font-size: 12px;
    line-height: 1.6;
  }

  /* Lifecycle Pipeline */
  .lifecycle-pipeline {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .pipeline-step {
    padding: 14px 14px;
    border-radius: 10px;
  }

  .step-phase {
    font-size: 13.5px;
  }

  .step-summary {
    font-size: 12px;
  }

  /* Domain Cards */
  .domain-card {
    padding: 18px 16px;
    border-radius: 12px;
  }

  .domain-name {
    font-size: 1.05rem;
  }

  .domain-specs {
    gap: 10px;
  }

  .domain-spec-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 3px;
  }

  .spec-category {
    font-size: 10.5px;
  }

  .spec-details {
    font-size: 12px;
  }

  /* Experience Timeline */
  .experience-timeline {
    gap: 14px;
  }

  .exp-item {
    padding: 18px 16px;
    border-radius: 12px;
  }

  .exp-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .exp-role {
    font-size: 1.05rem;
  }

  .exp-company {
    font-size: 12.5px;
  }

  .exp-date {
    font-size: 10.5px;
  }

  .exp-bullets li {
    font-size: 12px;
  }

  /* Certifications Ledger */
  .cert-ledger-card {
    border-radius: 12px;
  }

  .cert-ledger-head {
    padding: 12px 16px;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .cert-ledger-badge {
    font-size: 10.5px;
  }

  .cert-ledger-count {
    font-size: 10.5px;
  }

  .cert-ledger-row {
    padding: 14px 16px;
  }

  .cert-entry {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 10px 0;
  }

  .cert-entry-main {
    font-size: 12.5px;
  }

  .cert-entry-meta {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
}

/* 4. Ultra-Compact Devices (< 380px) */
@media (max-width: 380px) {
  .container {
    padding: 0 12px;
  }

  .btn-dossier {
    flex: 1 1 100%;
  }

  .vital-grid {
    grid-template-columns: 1fr;
  }
}

/* 5. Reduced Motion Accessibility */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* 6. Clean Print & PDF Export Styles */
@media print {
  body {
    background: #ffffff !important;
    color: #0f172a !important;
    background-image: none !important;
  }

  adarsh-ecosystem-nav,
  .dossier-rail,
  .spotlight-card::after,
  .action-row,
  .system-actions {
    display: none !important;
  }

  .dossier-hero,
  .dossier-section,
  .arsenal-strip {
    padding: 24px 0 !important;
    border-bottom: 1px solid #e2e8f0 !important;
  }

  .spotlight-card,
  .system-card,
  .runtime-card,
  .domain-card,
  .exp-item,
  .cert-ledger-card,
  .vital-panel {
    background: #ffffff !important;
    border: 1px solid #cbd5e1 !important;
    box-shadow: none !important;
    color: #0f172a !important;
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .text-primary,
  .system-title,
  .runtime-title,
  .domain-name,
  .exp-role,
  .cert-entry-title {
    color: #0f172a !important;
  }

  .text-secondary,
  .system-desc,
  .runtime-desc,
  .exp-bullets {
    color: #334155 !important;
  }
}