/* ==============================================================================
   4Achievers - Luxury Executive Course Design System (2026 Edition)
   Crafted for ₹4,00,000 Flagship Tech Specializations
   World-Class UI/UX: Apple / Stripe / Linear / Reforge Caliber
   Scoped under .lux-page-root
   ============================================================================== */

:root {
  /* Core Foundation Tokens */
  --lux-bg-root: #07090E;
  --lux-bg-elevated: #0C101A;
  --lux-bg-surface: #111726;
  --lux-bg-card: rgba(17, 23, 38, 0.72);
  --lux-bg-card-hover: rgba(23, 32, 54, 0.85);

  --lux-border-subtle: rgba(255, 255, 255, 0.08);
  --lux-border-medium: rgba(255, 255, 255, 0.14);
  --lux-border-highlight: rgba(255, 255, 255, 0.28);

  --lux-text-primary: #FFFFFF;
  --lux-text-secondary: #CBD5E1;
  --lux-text-muted: #8291A6;
  --lux-text-dim: #4B5565;

  /* Typography */
  --lux-font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --lux-font-display: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --lux-font-mono: 'JetBrains Mono', monospace;

  /* Radius */
  --lux-radius-sm: 8px;
  --lux-radius-md: 14px;
  --lux-radius-lg: 22px;
  --lux-radius-xl: 32px;
  --lux-radius-pill: 9999px;

  /* Global Shadows */
  --lux-shadow-card: 0 16px 40px -8px rgba(0, 0, 0, 0.6), 0 0 0 1px var(--lux-border-subtle);
  --lux-shadow-glow: 0 0 60px -15px var(--theme-glow, rgba(0, 210, 255, 0.3));
}

/* ==============================================================================
   BESPOKE THEMES FOR THE 8 COURSES (Zero Sameness, Pure Distinctive Character)
   ============================================================================== */

/* 1. Applied Generative AI & Agentic AI (Quantum Violet & Neon Cyan) */
.theme-applied-genai {
  --theme-primary: #A855F7;
  --theme-secondary: #00F0FF;
  --theme-accent: #C084FC;
  --theme-glow: rgba(168, 85, 247, 0.35);
  --theme-gradient: linear-gradient(135deg, #A855F7 0%, #00F0FF 100%);
  --theme-badge-bg: rgba(168, 85, 247, 0.15);
  --theme-badge-border: rgba(168, 85, 247, 0.4);
}

/* 2. AI & Machine Learning Engineering (NVIDIA Emerald & Tensor Cyan) */
.theme-aiml-engineering {
  --theme-primary: #10B981;
  --theme-secondary: #06B6D4;
  --theme-accent: #34D399;
  --theme-glow: rgba(16, 185, 129, 0.35);
  --theme-gradient: linear-gradient(135deg, #10B981 0%, #06B6D4 100%);
  --theme-badge-bg: rgba(16, 185, 129, 0.15);
  --theme-badge-border: rgba(16, 185, 129, 0.4);
}

/* 3. AI-Powered Data Analytics (Palantir Liquid Gold & Titanium Amber) */
.theme-data-analytics {
  --theme-primary: #F59E0B;
  --theme-secondary: #F43F5E;
  --theme-accent: #FCD34D;
  --theme-glow: rgba(245, 158, 11, 0.35);
  --theme-gradient: linear-gradient(135deg, #F59E0B 0%, #F59E0B 40%, #F43F5E 100%);
  --theme-badge-bg: rgba(245, 158, 11, 0.15);
  --theme-badge-border: rgba(245, 158, 11, 0.4);
}

/* 4. Software & AI Engineering (Stripe Hyper-Blue & Ultraviolet) */
.theme-software-ai-engineering {
  --theme-primary: #3B82F6;
  --theme-secondary: #8B5CF6;
  --theme-accent: #60A5FA;
  --theme-glow: rgba(59, 130, 246, 0.35);
  --theme-gradient: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 100%);
  --theme-badge-bg: rgba(59, 130, 246, 0.15);
  --theme-badge-border: rgba(59, 130, 246, 0.4);
}

/* 5. AI Automation Test Engineering (Cyber Crimson & Precision Orange) */
.theme-ai-test-engineering {
  --theme-primary: #F43F5E;
  --theme-secondary: #FB923C;
  --theme-accent: #FDA4AF;
  --theme-glow: rgba(244, 63, 94, 0.35);
  --theme-gradient: linear-gradient(135deg, #F43F5E 0%, #FB923C 100%);
  --theme-badge-bg: rgba(244, 63, 94, 0.15);
  --theme-badge-border: rgba(244, 63, 94, 0.4);
}

/* 6. Data Engineering & Modern Cloud Platforms (Glacial Ice Cyan & Snowflake Blue) */
.theme-data-engineering {
  --theme-primary: #06B6D4;
  --theme-secondary: #3B82F6;
  --theme-accent: #67E8F9;
  --theme-glow: rgba(6, 182, 212, 0.35);
  --theme-gradient: linear-gradient(135deg, #06B6D4 0%, #3B82F6 100%);
  --theme-badge-bg: rgba(6, 182, 212, 0.15);
  --theme-badge-border: rgba(6, 182, 212, 0.4);
}

/* 7. Cloud, DevOps & MLOps Engineering (Solar Flare Orange & Argo Indigo) */
.theme-cloud-devops-mlops {
  --theme-primary: #FF7A00;
  --theme-secondary: #6366F1;
  --theme-accent: #FDBA74;
  --theme-glow: rgba(255, 122, 0, 0.35);
  --theme-gradient: linear-gradient(135deg, #FF7A00 0%, #6366F1 100%);
  --theme-badge-bg: rgba(255, 122, 0, 0.15);
  --theme-badge-border: rgba(255, 122, 0, 0.4);
}

/* 8. AI-Powered Cybersecurity (Stealth Cyber Matrix & Acid Green) */
.theme-cybersecurity {
  --theme-primary: #10B981;
  --theme-secondary: #14B8A6;
  --theme-accent: #4ADE80;
  --theme-glow: rgba(16, 185, 129, 0.35);
  --theme-gradient: linear-gradient(135deg, #10B981 0%, #14B8A6 100%);
  --theme-badge-bg: rgba(16, 185, 129, 0.15);
  --theme-badge-border: rgba(16, 185, 129, 0.4);
}

/* ==============================================================================
   BASE PAGE LAYOUT & AMBIENT AURORA
   ============================================================================== */
.lux-page-root {
  background-color: var(--lux-bg-root);
  color: var(--lux-text-primary);
  font-family: var(--lux-font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

.lux-page-root *,
.lux-page-root *::before,
.lux-page-root *::after {
  box-sizing: border-box;
}

/* Ambient 3D Animated Background Aurora Orbs */
.lux-ambient-aurora {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.lux-aurora-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.28;
  animation: floatOrb 18s ease-in-out infinite alternate;
}
.lux-aurora-orb-1 {
  width: 650px;
  height: 650px;
  background: var(--theme-primary);
  top: -150px;
  left: 20%;
  animation-duration: 22s;
}
.lux-aurora-orb-2 {
  width: 500px;
  height: 500px;
  background: var(--theme-secondary);
  top: 30%;
  right: -100px;
  animation-duration: 18s;
  animation-delay: -5s;
}
.lux-aurora-orb-3 {
  width: 550px;
  height: 550px;
  background: #3B82F6;
  bottom: 10%;
  left: -100px;
  animation-duration: 26s;
  animation-delay: -10s;
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(60px, 40px) scale(1.08); }
  100% { transform: translate(-40px, -60px) scale(0.95); }
}

/* Background Subtle Tech Grid */
.lux-tech-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  background-position: center top;
  pointer-events: none;
}

.lux-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* ==============================================================================
   LUXURY TOP BAR & SITE HEADER
   ============================================================================== */
.lux-top-strip {
  background: rgba(12, 16, 26, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--lux-border-subtle);
  font-size: 12.5px;
  padding: 8px 0;
  position: relative;
  z-index: 50;
}
.lux-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.lux-top-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--lux-text-secondary);
}
.lux-pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10B981;
  box-shadow: 0 0 10px #10B981;
  animation: pulseDot 2s infinite;
}
@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.lux-site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(7, 9, 14, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--lux-border-subtle);
  transition: all 0.3s ease;
}
.lux-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}
.lux-logo-wrap img {
  height: 40px;
  width: auto;
  display: block;
}
.lux-nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}
.lux-nav-link {
  color: var(--lux-text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: color 0.2s ease;
}
.lux-nav-link:hover,
.lux-nav-link.active {
  color: var(--lux-text-primary);
}
.lux-btn-metallic {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--lux-radius-pill);
  background: var(--theme-gradient);
  color: #FFFFFF;
  font-family: var(--lux-font-sans);
  font-size: 13.5px;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 4px 20px var(--theme-glow);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.lux-btn-metallic:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--theme-glow);
  filter: brightness(1.1);
}

/* ==============================================================================
   1. HERO SECTION: CINEMATIC DUAL-COLUMN WITH 3D INTERACTIVE VISUALIZER
   ============================================================================== */
.lux-hero-section {
  position: relative;
  padding: 50px 0 90px;
  z-index: 10;
}
.lux-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--lux-text-muted);
  margin-bottom: 24px;
}
.lux-breadcrumbs a {
  color: var(--lux-text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}
.lux-breadcrumbs a:hover {
  color: var(--theme-primary);
}
.lux-breadcrumbs .sep {
  opacity: 0.4;
}

.lux-hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.95fr;
  gap: 48px;
  align-items: center;
}

/* Hero Content (Left) */
.lux-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  border-radius: var(--lux-radius-pill);
  background: var(--theme-badge-bg);
  border: 1px solid var(--theme-badge-border);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--theme-accent);
  margin-bottom: 20px;
}

.lux-hero-title {
  font-family: var(--lux-font-display);
  font-size: clamp(2.5rem, 4.2vw, 3.8rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.025em;
  margin: 0 0 16px 0;
  color: var(--lux-text-primary);
}
.lux-text-gradient {
  background: var(--theme-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.lux-hero-headline {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  font-weight: 600;
  color: var(--theme-accent);
  line-height: 1.45;
  margin-bottom: 18px;
}

.lux-hero-desc {
  font-size: 1.02rem;
  color: var(--lux-text-secondary);
  line-height: 1.68;
  margin-bottom: 32px;
  max-width: 620px;
}

/* 4-Pill Executive Metric Ribbon */
.lux-hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  padding: 18px;
  border-radius: var(--lux-radius-lg);
  background: var(--lux-bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--lux-border-subtle);
  margin-bottom: 32px;
}
.lux-metric-col {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.lux-metric-val {
  font-family: var(--lux-font-display);
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--lux-text-primary);
  line-height: 1.1;
}
.lux-metric-val.highlight {
  background: var(--theme-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.lux-metric-lbl {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--lux-text-muted);
  letter-spacing: 0.04em;
}

/* Dual CTAs */
.lux-hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.lux-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--lux-radius-pill);
  background: var(--theme-gradient);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 14.5px;
  text-decoration: none;
  box-shadow: 0 8px 30px var(--theme-glow);
  border: 1px solid rgba(255, 255, 255, 0.3);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.lux-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px var(--theme-glow);
  filter: brightness(1.12);
}
.lux-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: var(--lux-radius-pill);
  background: rgba(255, 255, 255, 0.06);
  color: var(--lux-text-primary);
  font-weight: 700;
  font-size: 14.5px;
  text-decoration: none;
  border: 1px solid var(--lux-border-medium);
  backdrop-filter: blur(10px);
  transition: all 0.25s ease;
}
.lux-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--lux-border-highlight);
  transform: translateY(-2px);
}

/* ==============================================================================
   2. 3D INTERACTIVE HERO STAGE & SPECULAR TILT CARD
   ============================================================================== */
.lux-hero-stage {
  perspective: 1200px;
}
.lux-3d-card {
  position: relative;
  border-radius: var(--lux-radius-xl);
  background: var(--lux-bg-elevated);
  border: 1px solid var(--lux-border-medium);
  box-shadow: var(--lux-shadow-card), 0 0 50px -10px var(--theme-glow);
  padding: 32px;
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
}
.lux-3d-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--theme-gradient);
}

/* Specular Glare Layer that follows mouse */
.lux-specular-glare {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle 350px at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255, 255, 255, 0.12), transparent 70%);
  border-radius: inherit;
  z-index: 5;
}

/* Stage Header / Terminal Bar */
.lux-stage-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--lux-border-subtle);
  margin-bottom: 22px;
}
.lux-dots-wrap {
  display: flex;
  gap: 7px;
}
.lux-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.lux-dot.red { background: #EF4444; }
.lux-dot.yellow { background: #F59E0B; }
.lux-dot.green { background: #10B981; }

.lux-stage-badge {
  font-family: var(--lux-font-mono);
  font-size: 11.5px;
  padding: 3px 10px;
  border-radius: var(--lux-radius-pill);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--lux-border-subtle);
  color: var(--lux-text-secondary);
}

/* Live Interactive Architecture Visualizer Inside Stage */
.lux-visual-canvas {
  background: rgba(7, 10, 18, 0.85);
  border: 1px solid var(--lux-border-subtle);
  border-radius: var(--lux-radius-lg);
  padding: 24px 20px;
  margin-bottom: 22px;
  position: relative;
  overflow: hidden;
}

.lux-node-diagram {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.lux-node-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.lux-node-box {
  flex: 1;
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--lux-border-subtle);
  transition: all 0.3s ease;
}
.lux-node-box.active {
  background: var(--theme-badge-bg);
  border-color: var(--theme-badge-border);
  box-shadow: 0 0 20px -5px var(--theme-glow);
}
.lux-node-title {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--lux-text-primary);
  margin-bottom: 3px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.lux-node-subtitle {
  font-size: 11px;
  color: var(--lux-text-muted);
  font-family: var(--lux-font-mono);
}

.lux-terminal-stream {
  font-family: var(--lux-font-mono);
  font-size: 11.5px;
  color: #38BDF8;
  background: rgba(0, 0, 0, 0.45);
  padding: 10px 14px;
  border-radius: 8px;
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-left: 2px solid var(--theme-primary);
}

/* Stage Bottom Stats */
.lux-stage-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  text-align: center;
}
.lux-stage-stat-item {
  padding: 10px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--lux-border-subtle);
}
.lux-stat-val {
  font-size: 15px;
  font-weight: 800;
  font-family: var(--lux-font-display);
  color: var(--lux-text-primary);
}
.lux-stat-lbl {
  font-size: 10.5px;
  color: var(--lux-text-muted);
  text-transform: uppercase;
  font-weight: 700;
  margin-top: 2px;
}

/* ==============================================================================
   3. ADMISSIONS SELECTIVITY SCARCITY BAR
   ============================================================================== */
.lux-admissions-bar {
  background: linear-gradient(90deg, rgba(17, 23, 38, 0.9) 0%, rgba(27, 36, 58, 0.9) 100%);
  border-top: 1px solid var(--lux-border-subtle);
  border-bottom: 1px solid var(--lux-border-subtle);
  padding: 16px 0;
  margin-bottom: 80px;
}
.lux-admissions-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.lux-admissions-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--lux-text-secondary);
}
.lux-admissions-pill strong {
  color: var(--theme-accent);
}
.lux-admissions-pill .icon {
  font-size: 16px;
}

/* ==============================================================================
   4. INTERACTIVE EXECUTIVE ROI & SALARY MULTIPLIER CALCULATOR
   ============================================================================== */
.lux-roi-section {
  padding: 80px 0;
  position: relative;
}
.lux-section-header {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 54px auto;
}
.lux-sec-badge {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--theme-accent);
  margin-bottom: 12px;
}
.lux-sec-title {
  font-family: var(--lux-font-display);
  font-size: clamp(2rem, 3.2vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--lux-text-primary);
  margin: 0 0 16px 0;
}
.lux-sec-desc {
  font-size: 1.05rem;
  color: var(--lux-text-secondary);
  line-height: 1.65;
  margin: 0;
}

.lux-roi-card {
  background: var(--lux-bg-elevated);
  border: 1px solid var(--lux-border-medium);
  border-radius: var(--lux-radius-xl);
  padding: 44px;
  box-shadow: var(--lux-shadow-card);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.lux-roi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--theme-gradient);
}

.lux-roi-left {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.lux-slider-wrap {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.lux-slider-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.lux-slider-lbl {
  font-size: 14px;
  font-weight: 600;
  color: var(--lux-text-secondary);
}
.lux-slider-val {
  font-family: var(--lux-font-display);
  font-size: 24px;
  font-weight: 800;
  color: var(--lux-text-primary);
}

.lux-range-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  outline: none;
  cursor: pointer;
  transition: all 0.2s ease;
}
.lux-range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--theme-primary);
  box-shadow: 0 0 16px var(--theme-glow);
  cursor: pointer;
  border: 2px solid #FFFFFF;
  transition: transform 0.15s ease;
}
.lux-range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.18);
}

/* ROI Results Display (Right) */
.lux-roi-right {
  display: flex;
  flex-direction: column;
  gap: 20px;
  background: rgba(7, 10, 18, 0.7);
  border: 1px solid var(--lux-border-subtle);
  border-radius: var(--lux-radius-lg);
  padding: 32px;
}
.lux-roi-res-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--lux-border-subtle);
}
.lux-roi-res-lbl {
  font-size: 13.5px;
  color: var(--lux-text-secondary);
  font-weight: 500;
}
.lux-roi-res-val {
  font-family: var(--lux-font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--lux-text-primary);
}
.lux-roi-res-val.highlight {
  background: var(--theme-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 26px;
}
.lux-payback-box {
  background: var(--theme-badge-bg);
  border: 1px solid var(--theme-badge-border);
  border-radius: 12px;
  padding: 16px;
  text-align: center;
}
.lux-payback-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--theme-accent);
  margin-bottom: 4px;
}
.lux-payback-desc {
  font-size: 12.5px;
  color: var(--lux-text-secondary);
  line-height: 1.45;
}

/* ==============================================================================
   5. INTERACTIVE 4-PHASE CURRICULUM ARCHITECTURE
   ============================================================================== */
.lux-curriculum-section {
  padding: 80px 0;
  position: relative;
}

.lux-phases-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.lux-phase-tab-btn {
  padding: 12px 24px;
  border-radius: var(--lux-radius-pill);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--lux-border-subtle);
  color: var(--lux-text-secondary);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.25s ease;
}
.lux-phase-tab-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--lux-text-primary);
}
.lux-phase-tab-btn.active {
  background: var(--theme-gradient);
  color: #FFFFFF;
  border-color: transparent;
  box-shadow: 0 4px 20px var(--theme-glow);
}

.lux-modules-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.lux-mod-card {
  background: var(--lux-bg-elevated);
  border: 1px solid var(--lux-border-subtle);
  border-radius: var(--lux-radius-lg);
  padding: 28px 24px;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}
.lux-mod-card:hover {
  border-color: var(--theme-primary);
  transform: translateY(-4px);
  box-shadow: var(--lux-shadow-card), 0 0 30px -10px var(--theme-glow);
}
.lux-mod-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.lux-mod-badge {
  font-family: var(--lux-font-mono);
  font-size: 11.5px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--lux-radius-pill);
  background: var(--theme-badge-bg);
  border: 1px solid var(--theme-badge-border);
  color: var(--theme-accent);
}
.lux-mod-hours {
  font-size: 12px;
  color: var(--lux-text-muted);
  font-weight: 600;
}
.lux-mod-title {
  font-family: var(--lux-font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--lux-text-primary);
  margin: 0 0 10px 0;
  line-height: 1.35;
}
.lux-mod-desc {
  font-size: 13.5px;
  color: var(--lux-text-secondary);
  line-height: 1.6;
  margin: 0 0 16px 0;
}
.lux-mod-topics-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.lux-mod-topic-chip {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--lux-text-secondary);
}

/* ==============================================================================
   6. ENTERPRISE CAPSTONE BLUEPRINTS (Tabbed & Interactive)
   ============================================================================== */
.lux-capstones-section {
  padding: 80px 0;
  position: relative;
}
.lux-capstones-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.lux-capstone-card {
  background: var(--lux-bg-elevated);
  border: 1px solid var(--lux-border-subtle);
  border-radius: var(--lux-radius-lg);
  padding: 30px 24px;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
  position: relative;
}
.lux-capstone-card:hover {
  border-color: var(--theme-primary);
  transform: translateY(-4px);
  box-shadow: var(--lux-shadow-card), 0 0 30px -10px var(--theme-glow);
}
.lux-cap-badge {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--theme-accent);
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}
.lux-cap-title {
  font-family: var(--lux-font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--lux-text-primary);
  margin: 0 0 12px 0;
  line-height: 1.35;
}
.lux-cap-desc {
  font-size: 13.5px;
  color: var(--lux-text-secondary);
  line-height: 1.6;
  margin: 0 0 20px 0;
  flex-grow: 1;
}
.lux-cap-specs {
  border-top: 1px solid var(--lux-border-subtle);
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.lux-cap-spec-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
}
.lux-cap-spec-lbl {
  color: var(--lux-text-muted);
  font-weight: 600;
}
.lux-cap-spec-val {
  color: var(--lux-text-primary);
  font-weight: 700;
  font-family: var(--lux-font-mono);
}

/* ==============================================================================
   7. PRODUCTION TOOLS & CLOUD GPU SANDBOX GRID
   ============================================================================== */
.lux-tools-section {
  padding: 80px 0;
}
.lux-tools-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.lux-tool-card {
  background: var(--lux-bg-elevated);
  border: 1px solid var(--lux-border-subtle);
  border-radius: var(--lux-radius-md);
  padding: 20px;
  text-align: center;
  transition: all 0.25s ease;
}
.lux-tool-card:hover {
  border-color: var(--theme-primary);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px -6px var(--theme-glow);
}
.lux-tool-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--theme-badge-bg);
  border: 1px solid var(--theme-badge-border);
  color: var(--theme-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px auto;
  font-size: 20px;
  font-weight: 800;
}
.lux-tool-name {
  font-family: var(--lux-font-display);
  font-size: 15px;
  font-weight: 800;
  color: var(--lux-text-primary);
  margin-bottom: 4px;
}
.lux-tool-desc {
  font-size: 12px;
  color: var(--lux-text-muted);
  line-height: 1.45;
}

/* ==============================================================================
   8. THE ₹4,00,000 EXECUTIVE INVESTMENT & 3D METALLIC PLATINUM CARD
   ============================================================================== */
.lux-pricing-section {
  padding: 90px 0;
  position: relative;
}
.lux-pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

/* 3D Physical Metallic Executive Black Card */
.lux-card-perspective {
  perspective: 1200px;
}
.lux-metal-black-card {
  width: 100%;
  max-width: 480px;
  aspect-ratio: 1.586 / 1;
  border-radius: 24px;
  background: linear-gradient(135deg, #1E2330 0%, #0F131D 50%, #07090F 100%);
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 24px 60px -12px rgba(0, 0, 0, 0.8), 0 0 40px -10px var(--theme-glow);
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  margin: 0 auto;
}
.lux-metal-black-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.15), transparent 60%);
  pointer-events: none;
}
.lux-metal-chip-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.lux-emv-chip {
  width: 44px;
  height: 34px;
  border-radius: 6px;
  background: linear-gradient(135deg, #D4AF37 0%, #AA771C 100%);
  border: 1px solid #FFE58F;
  box-shadow: inset 0 0 4px rgba(0,0,0,0.4);
}
.lux-contactless {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.5);
}
.lux-card-program-title {
  font-family: var(--lux-font-display);
  font-size: 19px;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: 0.02em;
  text-shadow: 0 2px 4px rgba(0,0,0,0.5);
  margin: 10px 0;
}
.lux-card-number {
  font-family: var(--lux-font-mono);
  font-size: 15px;
  letter-spacing: 0.25em;
  color: rgba(255, 255, 255, 0.7);
}
.lux-card-bottom-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}
.lux-card-holder {
  font-size: 11px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  font-weight: 700;
  letter-spacing: 0.08em;
}
.lux-card-holder-name {
  font-size: 14px;
  font-weight: 800;
  color: #FFFFFF;
  margin-top: 2px;
}
.lux-card-price-stamp {
  text-align: right;
}
.lux-card-price-label {
  font-size: 10px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  font-weight: 700;
}
.lux-card-price-num {
  font-family: var(--lux-font-display);
  font-size: 22px;
  font-weight: 900;
  color: #FFFFFF;
  text-shadow: 0 0 12px var(--theme-primary);
}

/* Pricing Breakdown (Right) */
.lux-fee-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.lux-fee-box-inner {
  background: var(--lux-bg-elevated);
  border: 1px solid var(--lux-border-medium);
  border-radius: var(--lux-radius-lg);
  padding: 36px;
  box-shadow: var(--lux-shadow-card);
}
.lux-fee-headline {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 6px;
}
.lux-fee-main-val {
  font-family: var(--lux-font-display);
  font-size: 44px;
  font-weight: 900;
  color: var(--lux-text-primary);
}
.lux-fee-tax {
  font-size: 15px;
  font-weight: 700;
  color: var(--lux-text-muted);
}
.lux-fee-all-in {
  font-size: 13.5px;
  color: var(--theme-accent);
  font-weight: 600;
  margin-bottom: 24px;
}

.lux-fee-options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}
.lux-fee-option-card {
  padding: 16px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--lux-border-subtle);
}
.lux-opt-title {
  font-size: 14px;
  font-weight: 800;
  color: var(--lux-text-primary);
  margin-bottom: 4px;
}
.lux-opt-desc {
  font-size: 12.5px;
  color: var(--lux-text-secondary);
  line-height: 1.45;
}

/* ==============================================================================
   9. EXECUTIVE ADMISSIONS APPLICATION FORM (World-Class Conversion Design)
   ============================================================================== */
.lux-admissions-section {
  padding: 80px 0;
  position: relative;
}
.lux-admissions-card {
  background: var(--lux-bg-elevated);
  border: 1px solid var(--lux-border-medium);
  border-radius: var(--lux-radius-xl);
  padding: 50px 44px;
  box-shadow: var(--lux-shadow-card), 0 0 80px -20px var(--theme-glow);
  max-width: 860px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}
.lux-admissions-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--theme-gradient);
}
.lux-adm-header {
  text-align: center;
  margin-bottom: 36px;
}
.lux-adm-badge {
  font-size: 11.5px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--theme-accent);
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  display: block;
}
.lux-adm-title {
  font-family: var(--lux-font-display);
  font-size: 28px;
  font-weight: 800;
  color: var(--lux-text-primary);
  margin: 0 0 10px 0;
}
.lux-adm-sub {
  font-size: 14px;
  color: var(--lux-text-secondary);
  max-width: 540px;
  margin: 0 auto;
}

.lux-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 20px;
}
.lux-form-col-2 {
  grid-column: span 2;
}
.lux-form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.lux-form-label {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--lux-text-secondary);
}
.lux-form-input,
.lux-form-select {
  width: 100%;
  background: rgba(7, 10, 18, 0.85);
  border: 1px solid var(--lux-border-medium);
  border-radius: 12px;
  padding: 13px 16px;
  font-size: 14px;
  color: #FFFFFF;
  font-family: var(--lux-font-sans);
  outline: none;
  transition: all 0.25s ease;
}
.lux-form-input:focus,
.lux-form-select:focus {
  border-color: var(--theme-primary);
  box-shadow: 0 0 0 3px var(--theme-glow);
  background: rgba(12, 16, 26, 0.95);
}
.lux-form-select option {
  background: var(--lux-bg-elevated);
  color: #FFFFFF;
}

.lux-phone-group {
  display: flex;
  align-items: center;
  background: rgba(7, 10, 18, 0.85);
  border: 1px solid var(--lux-border-medium);
  border-radius: 12px;
  overflow: hidden;
}
.lux-phone-group:focus-within {
  border-color: var(--theme-primary);
  box-shadow: 0 0 0 3px var(--theme-glow);
}
.lux-phone-prefix {
  padding: 13px 14px;
  background: rgba(255, 255, 255, 0.05);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--theme-accent);
  border-right: 1px solid var(--lux-border-subtle);
}
.lux-phone-group .lux-form-input {
  border: none;
  background: transparent;
  padding-left: 12px;
}
.lux-phone-group .lux-form-input:focus {
  box-shadow: none;
}

.lux-consent-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 12px;
  color: var(--lux-text-muted);
  line-height: 1.5;
  margin-bottom: 24px;
}
.lux-consent-check input {
  accent-color: var(--theme-primary);
  margin-top: 3px;
}
.lux-consent-check a {
  color: var(--lux-text-secondary);
}

.lux-submit-btn {
  width: 100%;
  padding: 16px 28px;
  border-radius: var(--lux-radius-pill);
  background: var(--theme-gradient);
  color: #FFFFFF;
  font-size: 15.5px;
  font-weight: 800;
  font-family: var(--lux-font-display);
  letter-spacing: 0.02em;
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 8px 30px var(--theme-glow);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all 0.3s ease;
}
.lux-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px var(--theme-glow);
  filter: brightness(1.1);
}

/* ==============================================================================
   10. FAQs & FOOTER
   ============================================================================== */
.lux-faqs-section {
  padding: 80px 0;
}
.lux-faqs-wrap {
  max-width: 860px;
  margin: 0 auto;
}
.lux-faq-item {
  background: var(--lux-bg-elevated);
  border: 1px solid var(--lux-border-subtle);
  border-radius: var(--lux-radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all 0.2s ease;
}
.lux-faq-item.active {
  border-color: var(--theme-badge-border);
}
.lux-faq-q {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
  font-family: var(--lux-font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--lux-text-primary);
}
.lux-faq-icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s ease;
  flex-shrink: 0;
}
.lux-faq-item.active .lux-faq-icon {
  transform: rotate(180deg);
  background: var(--theme-primary);
  color: #FFFFFF;
}
.lux-faq-a {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  font-size: 14px;
  color: var(--lux-text-secondary);
  line-height: 1.65;
  transition: max-height 0.3s ease, padding 0.3s ease;
}
.lux-faq-item.active .lux-faq-a {
  padding: 0 24px 20px 24px;
  max-height: 500px;
}

/* Sticky Action Ribbon */
.lux-sticky-action-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 99;
  background: rgba(7, 9, 14, 0.92);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--lux-border-medium);
  padding: 12px 0;
  box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.5);
  transform: translateY(100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.lux-sticky-action-bar.visible {
  transform: translateY(0);
}
.lux-sticky-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.lux-sticky-info {
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.lux-sticky-title {
  font-weight: 800;
  font-size: 15px;
  color: #FFFFFF;
}
.lux-sticky-fee {
  font-size: 13px;
  color: var(--theme-accent);
  font-weight: 700;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .lux-hero-grid,
  .lux-roi-card,
  .lux-pricing-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .lux-modules-grid,
  .lux-capstones-grid {
    grid-template-columns: 1fr;
  }
  .lux-tools-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .lux-hero-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .lux-form-grid {
    grid-template-columns: 1fr;
  }
  .lux-form-col-2 {
    grid-column: span 1;
  }
  .lux-tools-grid {
    grid-template-columns: 1fr;
  }
  .lux-admissions-card,
  .lux-roi-card {
    padding: 28px 20px;
  }
  .lux-nav-menu {
    display: none;
  }
}


/* ==============================================================================
   DOMAIN VISUAL ASSETS, WATERMARKS & RICH TECH LOGOS
   ============================================================================== */
.lux-hero-domain-badge {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 22px;
}
.lux-domain-icon-glow {
  position: relative;
  width: 68px;
  height: 68px;
  border-radius: 20px;
  background: var(--theme-badge-bg);
  border: 1.5px solid var(--theme-badge-border);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 32px -4px var(--theme-glow), inset 0 1px 0 rgba(255, 255, 255, 0.25);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease;
  flex-shrink: 0;
}
.lux-domain-icon-glow:hover {
  transform: scale(1.08) translateY(-3px);
  box-shadow: 0 16px 40px 0 var(--theme-glow);
}
.lux-domain-icon-img {
  width: 52px;
  height: 52px;
  object-fit: contain;
  filter: drop-shadow(0 6px 14px rgba(0, 0, 0, 0.45));
}
.lux-domain-watermark {
  position: absolute;
  top: 10px;
  right: 2%;
  width: 620px;
  height: 620px;
  opacity: 0.12;
  pointer-events: none;
  z-index: 0;
  transition: opacity 0.5s ease;
}
.lux-tool-card {
  position: relative;
  overflow: hidden;
  background: var(--lux-bg-elevated);
  border: 1px solid var(--lux-border-subtle);
  border-radius: var(--lux-radius-md);
  padding: 24px 20px;
  text-align: center;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.lux-tool-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, var(--theme-glow) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.lux-tool-card:hover::before {
  opacity: 0.35;
}
.lux-tool-card:hover {
  border-color: var(--theme-primary);
  transform: translateY(-4px);
  box-shadow: 0 14px 34px -8px var(--theme-glow);
}
.lux-tool-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px auto;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.lux-tool-card:hover .lux-tool-icon {
  transform: scale(1.12);
  border-color: var(--theme-primary);
  box-shadow: 0 0 24px -2px var(--theme-glow);
}
.lux-tool-icon svg {
  width: 28px;
  height: 28px;
  display: block;
}
.lux-cap-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--lux-font-mono);
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 12px;
  border-radius: var(--lux-radius-pill);
  background: var(--theme-badge-bg);
  border: 1px solid var(--theme-badge-border);
  color: var(--theme-accent);
  margin-bottom: 16px;
}
.lux-cap-badge svg {
  width: 14px;
  height: 14px;
}