/* ==========================================================================
   VK Academe - Digital Marketing Masterclass
   Vanilla CSS3 - Zero Framework, Ultra-Lightweight & Blazing Fast
   ========================================================================== */

/* 1. CSS Custom Properties / Design Tokens */
:root {
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  
  /* Primary & Accent Colors */
  --bg-primary: #0a0f1d;
  --bg-secondary: #111827;
  --bg-surface: #1a2238;
  --bg-surface-alt: #232d4b;
  --bg-glass: rgba(26, 34, 56, 0.75);
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --brand-primary: #4f46e5;
  --brand-primary-hover: #4338ca;
  --brand-accent: #06b6d4;
  --brand-gradient: linear-gradient(135deg, #4f46e5 0%, #06b6d4 100%);
  --brand-gradient-glow: linear-gradient(135deg, rgba(79, 70, 229, 0.3) 0%, rgba(6, 182, 212, 0.2) 100%);
  
  --highlight-amber: #f59e0b;
  --highlight-emerald: #10b981;
  --highlight-rose: #f43f5e;
  
  --border-light: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(79, 70, 229, 0.4);
  
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 25px rgba(79, 70, 229, 0.35);
  
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
}

/* 2. Global Resets & Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button, input, select, textarea {
  font: inherit;
  border: none;
  outline: none;
}

ul, ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.section-padding {
  padding: 80px 0;
}

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

.text-center { text-align: center; }
.text-amber { color: var(--highlight-amber); }
.text-emerald { color: var(--highlight-emerald); }

/* Section Header Typography */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(79, 70, 229, 0.15);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--brand-accent);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 50px auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
}

.btn-primary {
  background: var(--brand-gradient);
  color: #fff;
  box-shadow: 0 4px 18px rgba(79, 70, 229, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(79, 70, 229, 0.6);
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  border-color: var(--brand-accent);
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
}

.btn-amber {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #0b0f19;
  font-weight: 700;
  box-shadow: 0 4px 18px rgba(245, 158, 11, 0.35);
}

.btn-amber:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(245, 158, 11, 0.55);
}

.btn-block {
  width: 100%;
}

/* ==========================================================================
   3. Urgency Announcement Top Bar
   ========================================================================== */
.top-bar {
  background: linear-gradient(90deg, #1e1b4b 0%, #312e81 50%, #1e1b4b 100%);
  border-bottom: 1px solid rgba(79, 70, 229, 0.3);
  padding: 10px 0;
  font-size: 0.88rem;
  font-weight: 500;
}

.top-bar-content {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
  text-align: center;
}

.top-bar-badge {
  background: var(--highlight-rose);
  color: #fff;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.top-bar-link {
  color: var(--brand-accent);
  font-weight: 700;
  text-decoration: underline;
  cursor: pointer;
}

/* ==========================================================================
   4. Main Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 15, 29, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-light);
  transition: all var(--transition-fast);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
}

.brand-logo svg {
  width: 32px;
  height: 32px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
}

.nav-link:hover, .nav-link.active {
  color: var(--brand-accent);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.menu-toggle {
  display: none;
  background: transparent;
  color: var(--text-main);
  padding: 8px;
  cursor: pointer;
}

/* ==========================================================================
   5. Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  padding: 70px 0 90px 0;
  background: radial-gradient(circle at top center, rgba(79, 70, 229, 0.18) 0%, transparent 60%);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero-badge-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--highlight-emerald);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--highlight-emerald);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--highlight-emerald);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.hero-title {
  font-size: clamp(2.2rem, 4.2vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.8px;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.hero-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 6px 0;
}

.point-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 500;
}

.point-icon {
  width: 20px;
  height: 20px;
  color: var(--highlight-emerald);
  flex-shrink: 0;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.hero-social-proof {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 10px;
  padding-top: 18px;
  border-top: 1px solid var(--border-light);
}

.avatar-stack {
  display: flex;
}

.avatar-stack img {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 2px solid var(--bg-primary);
  margin-left: -8px;
  background: #334155;
}

.avatar-stack img:first-child {
  margin-left: 0;
}

.proof-text {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.stars {
  color: #fbbf24;
  letter-spacing: 2px;
}

/* Hero Right Enrollment Card */
.hero-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-glow);
  position: relative;
}

.card-ribbon {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--highlight-amber);
  color: #000;
  font-weight: 700;
  font-size: 0.78rem;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.card-header-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.card-header-subtitle {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 18px;
}

/* Countdown Timer */
.timer-container {
  background: rgba(10, 15, 29, 0.7);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 14px;
  margin-bottom: 20px;
  text-align: center;
}

.timer-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--brand-accent);
  margin-bottom: 8px;
  font-weight: 600;
}

.timer-grid {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.timer-box {
  background: var(--bg-surface-alt);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  min-width: 55px;
}

.timer-num {
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
  font-variant-numeric: tabular-nums;
}

.timer-unit {
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* Lead Form */
.quick-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: left;
}

.form-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-control {
  width: 100%;
  background: rgba(10, 15, 29, 0.9);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: #fff;
  font-size: 0.92rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.25);
}

.form-control::placeholder {
  color: var(--text-dim);
}

.form-guarantee {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-top: 4px;
}

/* ==========================================================================
   6. Metrics / Stats Bar
   ========================================================================== */
.stats-bar {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  padding: 36px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item {
  border-right: 1px solid var(--border-light);
  padding: 0 10px;
}

.stat-item:last-child {
  border-right: none;
}

.stat-number {
  font-size: clamp(2rem, 3.2vw, 2.7rem);
  font-weight: 800;
  color: #fff;
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ==========================================================================
   7. Pain Points vs Solution (Before vs After)
   ========================================================================== */
.comparison-section {
  background: var(--bg-primary);
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.compare-card {
  border-radius: var(--radius-lg);
  padding: 36px;
  position: relative;
}

.compare-card.bad {
  background: rgba(244, 63, 94, 0.04);
  border: 1px solid rgba(244, 63, 94, 0.2);
}

.compare-card.good {
  background: rgba(16, 185, 129, 0.05);
  border: 1px solid rgba(16, 185, 129, 0.35);
  box-shadow: 0 0 30px rgba(16, 185, 129, 0.08);
}

.compare-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.badge-danger {
  background: rgba(244, 63, 94, 0.15);
  color: var(--highlight-rose);
}

.badge-success {
  background: rgba(16, 185, 129, 0.2);
  color: var(--highlight-emerald);
}

.compare-card-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 22px;
}

.compare-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.compare-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.98rem;
}

.icon-cross {
  color: var(--highlight-rose);
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  margin-top: 2px;
}

.icon-check {
  color: var(--highlight-emerald);
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  margin-top: 2px;
}

/* ==========================================================================
   8. Course Curriculum (Interactive Tabs)
   ========================================================================== */
.curriculum-section {
  background: var(--bg-secondary);
}

.curriculum-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 36px;
}

.tab-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  color: #fff;
  border-color: var(--border-accent);
}

.tab-btn.active {
  background: var(--brand-primary);
  color: #fff;
  border-color: var(--brand-primary);
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.4);
}

.modules-container {
  max-width: 900px;
  margin: 0 auto;
}

.module-card {
  display: none;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  animation: fadeIn 0.35s ease;
}

.module-card.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.module-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-light);
}

.module-week {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--brand-accent);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.module-title {
  font-size: 1.45rem;
  font-weight: 700;
  margin-top: 4px;
}

.module-duration {
  background: rgba(255, 255, 255, 0.06);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.module-content-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 30px;
}

.module-bullets {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.module-bullets li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--text-main);
}

.bullet-bullet {
  width: 18px;
  height: 18px;
  color: var(--brand-accent);
  flex-shrink: 0;
  margin-top: 3px;
}

.module-project-box {
  background: rgba(10, 15, 29, 0.7);
  border: 1px solid rgba(79, 70, 229, 0.25);
  border-radius: var(--radius-md);
  padding: 20px;
}

.project-box-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--highlight-amber);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.project-box-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 14px;
}

.tools-pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tool-pill {
  background: var(--bg-surface-alt);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* ==========================================================================
   9. Tools Covered Section
   ========================================================================== */
.tools-section {
  background: var(--bg-primary);
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 20px;
}

.tool-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 22px 14px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  transition: all var(--transition-fast);
}

.tool-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-accent);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.tool-icon {
  width: 44px;
  height: 44px;
}

.tool-name {
  font-size: 0.92rem;
  font-weight: 600;
}

.tool-category {
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* ==========================================================================
   10. Value Stack & Pricing (Price Anchoring)
   ========================================================================== */
.pricing-section {
  background: radial-gradient(circle at center, rgba(79, 70, 229, 0.15) 0%, transparent 70%), var(--bg-secondary);
}

.pricing-card {
  max-width: 820px;
  margin: 0 auto;
  background: var(--bg-surface);
  border: 2px solid var(--brand-primary);
  border-radius: var(--radius-lg);
  padding: 44px;
  box-shadow: var(--shadow-glow);
  position: relative;
}

.pricing-badge {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--brand-gradient);
  color: #fff;
  padding: 6px 20px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-sm);
}

.pricing-header {
  text-align: center;
  margin-bottom: 32px;
}

.pricing-course-title {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.price-display {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 16px;
  margin: 20px 0 10px 0;
}

.price-original {
  font-size: 1.4rem;
  color: var(--text-dim);
  text-decoration: line-through;
}

.price-current {
  font-size: 3.2rem;
  font-weight: 800;
  color: #fff;
}

.price-save {
  background: rgba(16, 185, 129, 0.2);
  color: var(--highlight-emerald);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

.value-stack-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 30px 0;
  padding: 24px 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.value-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.92rem;
}

.value-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.value-worth {
  font-weight: 600;
  color: var(--text-muted);
}

.pricing-cta-wrap {
  text-align: center;
  max-width: 500px;
  margin: 0 auto;
}

/* ==========================================================================
   11. Testimonials & Social Proof
   ========================================================================== */
.testimonials-section {
  background: var(--bg-primary);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
  transition: transform var(--transition-fast);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-accent);
}

.testimonial-text {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-main);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.author-pic {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #334155;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
  border: 2px solid var(--brand-primary);
}

.author-info h4 {
  font-size: 0.98rem;
  font-weight: 700;
}

.author-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.author-role-badge {
  font-size: 0.72rem;
  color: var(--brand-accent);
  font-weight: 600;
}

/* ==========================================================================
   12. FAQ Section (Accordion)
   ========================================================================== */
.faq-section {
  background: var(--bg-secondary);
}

.faq-accordion {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: var(--brand-primary);
}

.faq-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  background: transparent;
  color: #fff;
  font-size: 1.05rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.faq-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--transition-normal);
  color: var(--brand-accent);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 24px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.faq-item.active .faq-body {
  max-height: 250px;
  padding-bottom: 20px;
}

/* ==========================================================================
   13. Final CTA & Lead Section
   ========================================================================== */
.final-cta-section {
  background: linear-gradient(180deg, var(--bg-secondary) 0%, #0c1222 100%);
  text-align: center;
}

.final-cta-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  padding: 50px 30px;
  max-width: 800px;
  margin: 0 auto;
  box-shadow: var(--shadow-glow);
}

/* ==========================================================================
   14. Modal Dialog (Registration & Syllabus)
   ========================================================================== */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 15, 29, 0.85);
  backdrop-filter: blur(8px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.modal-overlay.active {
  display: flex;
  opacity: 1;
}

.modal-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  max-width: 500px;
  width: 100%;
  padding: 32px;
  position: relative;
  box-shadow: var(--shadow-md);
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.modal-content.modal-lg {
  max-width: 720px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
}

.modal-body-scroll {
  overflow-y: auto;
  padding-right: 8px;
  margin-top: 14px;
}

.modal-body-scroll::-webkit-scrollbar {
  width: 6px;
}

.modal-body-scroll::-webkit-scrollbar-thumb {
  background: var(--brand-primary);
  border-radius: var(--radius-full);
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
}

.modal-close:hover {
  color: #fff;
}

/* Feedback Alert / Toast */
.form-feedback {
  display: none;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  margin-top: 12px;
  text-align: center;
}

.form-feedback.success {
  display: block;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid var(--highlight-emerald);
  color: #34d399;
}

.form-feedback.error {
  display: block;
  background: rgba(244, 63, 94, 0.15);
  border: 1px solid var(--highlight-rose);
  color: #fb7185;
}

.loading-spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Floating Bottom Sticky Bar (Mobile & Small screens) */
.sticky-enroll-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(17, 24, 39, 0.95);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border-accent);
  padding: 12px 20px;
  z-index: 99;
  box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.4);
}

.sticky-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Footer */
.site-footer {
  background: #060913;
  border-top: 1px solid var(--border-light);
  padding: 60px 0 30px 0;
  color: var(--text-dim);
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  margin-top: 12px;
  max-width: 300px;
  line-height: 1.6;
}

.footer-col h5 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a:hover {
  color: var(--brand-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.82rem;
}

/* ==========================================================================
   15. Responsive Breakpoints
   ========================================================================== */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  
  .stat-item:nth-child(2) {
    border-right: none;
  }
  
  .comparison-grid {
    grid-template-columns: 1fr;
  }
  
  .module-content-grid {
    grid-template-columns: 1fr;
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: var(--bg-secondary);
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid var(--border-light);
    display: none;
    box-shadow: var(--shadow-md);
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .nav-cta .btn {
    display: none;
  }
  
  .hero-points {
    grid-template-columns: 1fr;
  }
  
  .value-stack-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .sticky-enroll-bar {
    display: block;
  }
  
  body {
    padding-bottom: 70px;
  }
}