/* ==========================================================================
   FROSTED GLASS THEME - style.css
   --------------------------------------------------------------------------
   Aesthetic: Deep atmospheric slate canvas (#0f172a) with luminous ambient
   glows (electric blue & warm amber), multi-layered glassmorphic containers,
   backdrop-blur, translucent borders, crisp white typography, and
   vibrant neon accents.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+Devanagari:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700;800;900&display=swap');

/* --------------------------------------------------------------------------
   1. CSS Variables & Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Canvas & Atmospheric Colors */
  --bg-canvas: #0f172a;
  --bg-canvas-dark: #0b1120;
  --bg-canvas-elevated: #1e293b;

  /* Frosted Glass Surfaces */
  --glass-bg-subtle: rgba(255, 255, 255, 0.03);
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-bg-hover: rgba(255, 255, 255, 0.08);
  --glass-bg-active: rgba(255, 255, 255, 0.12);
  --glass-border: rgba(255, 255, 255, 0.10);
  --glass-border-hover: rgba(96, 165, 250, 0.40);
  --glass-border-light: rgba(255, 255, 255, 0.18);
  --glass-inner-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.15);

  /* Brand & Accent Colors */
  --color-brand-blue: #3b82f6;
  --color-brand-blue-hover: #60a5fa;
  --color-accent-orange: #fb923c;
  --color-accent-orange-hover: #f97316;
  --color-accent-green: #22c55e;
  --color-accent-emerald: #10b981;
  --color-accent-purple: #a855f7;
  --color-accent-rose: #f43f5e;

  /* Typography Colors */
  --text-primary: #ffffff;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-faint: #64748b;

  /* Fonts */
  --font-base: 'Plus Jakarta Sans', 'Noto Sans Devanagari', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-hindi: 'Noto Sans Devanagari', 'Plus Jakarta Sans', sans-serif;

  /* Shadows */
  --shadow-glass-sm: 0 4px 16px 0 rgba(0, 0, 0, 0.25);
  --shadow-glass-md: 0 8px 32px 0 rgba(0, 0, 0, 0.35);
  --shadow-glass-lg: 0 16px 48px 0 rgba(0, 0, 0, 0.45);
  --shadow-glow-blue: 0 0 35px rgba(37, 99, 235, 0.35);
  --shadow-glow-orange: 0 0 35px rgba(249, 115, 22, 0.35);
  --shadow-book: -12px 20px 40px rgba(0, 0, 0, 0.6), 0 0 60px rgba(37, 99, 235, 0.25);

  /* Radii & Layout */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  --container-max: 1200px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-base);
  background-color: var(--bg-canvas);
  background-image: 
    radial-gradient(circle at 10% 15%, rgba(37, 99, 235, 0.18) 0%, transparent 40%),
    radial-gradient(circle at 90% 85%, rgba(249, 115, 22, 0.12) 0%, transparent 45%),
    radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.06) 0%, transparent 60%);
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Ambient luminous glow orbs */
body::before {
  content: '';
  position: fixed;
  top: -15%;
  left: -10%;
  width: 50vw;
  height: 50vw;
  max-width: 650px;
  max-height: 650px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.22) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  bottom: -15%;
  right: -10%;
  width: 50vw;
  height: 50vw;
  max-width: 650px;
  max-height: 650px;
  background: radial-gradient(circle, rgba(249, 115, 22, 0.14) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(110px);
  pointer-events: none;
  z-index: 0;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.015em;
}

p {
  color: var(--text-secondary);
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* --------------------------------------------------------------------------
   3. Utility Classes & Layout Containers
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
  position: relative;
  z-index: 1;
}

.section-padding {
  padding-top: 80px;
  padding-bottom: 80px;
  position: relative;
  z-index: 1;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 52px auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: var(--radius-full);
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(96, 165, 250, 0.3);
  color: #93c5fd;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  margin-bottom: 16px;
}

.section-tag.green {
  background: rgba(34, 197, 94, 0.12);
  border-color: rgba(74, 222, 128, 0.35);
  color: #86efac;
}

.section-tag.gold {
  background: rgba(251, 146, 60, 0.12);
  border-color: rgba(251, 146, 60, 0.35);
  color: #fdba74;
}

.section-title {
  font-size: 2.35rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.08rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 700;
  text-align: center;
  white-space: nowrap;
  border-radius: var(--radius-md);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: #ffffff;
  padding: 16px 36px;
  font-size: 1.125rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 12px 28px -4px rgba(37, 99, 235, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  box-shadow: 0 18px 36px -4px rgba(37, 99, 235, 0.65), inset 0 1px 0 rgba(255, 255, 255, 0.35);
  color: #ffffff;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 14px 28px;
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.3);
  color: #ffffff;
}

.btn-whatsapp {
  background: rgba(37, 211, 102, 0.15);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: #4ade80;
  border: 1px solid rgba(74, 222, 128, 0.35);
  padding: 14px 26px;
  font-size: 1rem;
  border-radius: var(--radius-lg);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.15);
}

.btn-whatsapp:hover {
  background: rgba(37, 211, 102, 0.25);
  border-color: rgba(74, 222, 128, 0.5);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.3);
}

.btn-pulse {
  animation: subtlePulse 2.5s infinite;
}

@keyframes subtlePulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.02); }
  100% { transform: scale(1); }
}

/* --------------------------------------------------------------------------
   4. Top Announcement Bar
   -------------------------------------------------------------------------- */
.announcement-bar {
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  color: #f8fafc;
  padding: 10px 16px;
  font-size: 0.875rem;
  font-weight: 600;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  z-index: 101;
}

.announcement-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  text-align: center;
}

.announcement-badge {
  background: rgba(249, 115, 22, 0.2);
  border: 1px solid rgba(251, 146, 60, 0.4);
  color: #fdba74;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
}

.announcement-timer {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-variant-numeric: tabular-nums;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  color: #fde047;
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   5. Sticky Header
   -------------------------------------------------------------------------- */
.site-header {
  background: rgba(15, 23, 42, 0.75);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon-box {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: rgba(59, 130, 246, 0.2);
  border: 1px solid rgba(96, 165, 250, 0.4);
  color: #60a5fa;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 800;
  box-shadow: 0 0 20px rgba(37, 99, 235, 0.35);
  backdrop-filter: blur(12px);
}

.brand-text-wrap {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.18rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.brand-tagline {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
}

.header-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-price-hint {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.2;
}

.header-price-hint strong {
  font-size: 1.15rem;
  color: #38bdf8;
  font-weight: 800;
}

.header-buy-btn {
  background: #ffffff;
  color: #1e3a8a;
  padding: 10px 24px;
  font-size: 0.95rem;
  font-weight: 800;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 20px rgba(255, 255, 255, 0.2);
  transition: all 0.2s ease;
}

.header-buy-btn:hover {
  background: #f1f5f9;
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(255, 255, 255, 0.3);
  color: #1d4ed8;
}

/* --------------------------------------------------------------------------
   6. Hero Section & 3D Book Mockup
   -------------------------------------------------------------------------- */
.hero-section {
  padding-top: 64px;
  padding-bottom: 84px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.hero-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(59, 130, 246, 0.12);
  color: #93c5fd;
  padding: 7px 18px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 800;
  margin-bottom: 22px;
  border: 1px solid rgba(96, 165, 250, 0.35);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero-main-title {
  font-size: 3.1rem;
  font-weight: 800;
  line-height: 1.15;
  color: #ffffff;
  margin-bottom: 18px;
  letter-spacing: -0.025em;
}

.hero-main-title .highlight {
  color: var(--color-accent-orange);
  position: relative;
  display: inline-block;
  text-shadow: 0 0 30px rgba(251, 146, 60, 0.35);
}

.hero-sub-title {
  font-size: 1.28rem;
  font-weight: 600;
  color: #e2e8f0;
  line-height: 1.5;
  margin-bottom: 18px;
}

.hero-pitch-paragraph {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 580px;
}

/* Key Highlights Checklist */
.hero-checklist {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 32px;
}

.hero-checklist li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  color: #cbd5e1;
}

.checklist-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(34, 197, 94, 0.18);
  border: 1px solid rgba(74, 222, 128, 0.35);
  color: #4ade80;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.75rem;
  font-weight: bold;
}

/* Hero Price Box - Frosted Glass Component */
.hero-price-box {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 26px;
  padding: 16px 26px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-xl);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.15);
  width: fit-content;
}

.hero-price-strike {
  font-size: 1.15rem;
  color: var(--text-faint);
  text-decoration: line-through;
  font-weight: 500;
}

.hero-price-current {
  font-size: 2.35rem;
  color: #ffffff;
  font-weight: 800;
  line-height: 1;
  text-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

.hero-price-badge {
  background: rgba(249, 115, 22, 0.18);
  border: 1px solid rgba(251, 146, 60, 0.35);
  color: #fdba74;
  font-size: 0.8rem;
  font-weight: 800;
  padding: 5px 12px;
  border-radius: var(--radius-full);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  margin-bottom: 24px;
}

.hero-cta-group-wrap {
  display: flex;
  flex-direction: column;
}

.hero-promo-headline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.25) 0%, rgba(234, 88, 12, 0.15) 100%);
  border: 1px solid rgba(251, 146, 60, 0.45);
  color: #fdba74;
  font-size: 1.05rem;
  font-weight: 800;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
  width: fit-content;
  letter-spacing: 0.02em;
  box-shadow: 0 4px 15px rgba(249, 115, 22, 0.15);
}

.hero-guarantee-note {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Product Book Mockup Presentation */
.hero-visual-col {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 100%;
}

.book-stage-container {
  position: relative;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 480px;
}

/* Atmospheric ambient glow directly behind book */
.book-ambient-glow {
  position: absolute;
  width: 340px;
  height: 460px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.35) 0%, rgba(249, 115, 22, 0.15) 50%, transparent 75%);
  filter: blur(60px);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

.hero-book-showcase {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.hero-book-mockup-img {
  width: 100%;
  max-width: 390px;
  height: auto;
  aspect-ratio: auto;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 20px 35px rgba(0, 0, 0, 0.65)) drop-shadow(0 10px 20px rgba(37, 99, 235, 0.25));
  animation: bookFloating 6s ease-in-out infinite;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), filter 0.35s ease;
  user-select: none;
  -webkit-user-drag: none;
}

@keyframes bookFloating {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@media (hover: hover) {
  .hero-book-showcase:hover .hero-book-mockup-img {
    transform: translateY(-10px) scale(1.02);
    filter: drop-shadow(0 28px 45px rgba(0, 0, 0, 0.75)) drop-shadow(0 14px 28px rgba(37, 99, 235, 0.35));
  }
}

/* Floating Frosted Benefit Tags Around Book */
.floating-tag {
  position: absolute;
  z-index: 10;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  color: #ffffff;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.35);
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  white-space: nowrap;
  animation: floatAnim 4s ease-in-out infinite;
}

.floating-tag span.emoji {
  font-size: 1.1rem;
}

.tag-grammar {
  top: 10%;
  left: -20px;
  animation-delay: 0s;
}

.tag-speaking {
  top: 32%;
  right: -25px;
  animation-delay: 1s;
}

.tag-vocabulary {
  bottom: 28%;
  left: -30px;
  animation-delay: 2s;
}

.tag-conversation {
  bottom: 8%;
  right: -15px;
  animation-delay: 1.5s;
}

.tag-practice {
  top: -5%;
  right: 25%;
  animation-delay: 2.5s;
}

@keyframes floatAnim {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* --------------------------------------------------------------------------
   7. Trust / Benefits Strip
   -------------------------------------------------------------------------- */
.trust-strip {
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 24px 0;
  position: relative;
  z-index: 1;
}

.trust-strip-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all 0.2s ease;
}

.trust-item:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(96, 165, 250, 0.3);
  transform: translateY(-2px);
}

.trust-icon-box {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(96, 165, 250, 0.3);
  color: #60a5fa;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.trust-text-box h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.2;
}

.trust-text-box p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.3;
}

/* --------------------------------------------------------------------------
   8. Problem Section ("रुक जाते हैं?")
   -------------------------------------------------------------------------- */
.problem-section {
  position: relative;
  z-index: 1;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.problem-card {
  background: rgba(239, 68, 68, 0.04);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(248, 113, 113, 0.18);
  border-radius: var(--radius-lg);
  padding: 26px;
  transition: all 0.25s ease;
  position: relative;
  box-shadow: var(--shadow-glass-sm);
}

.problem-card:hover {
  transform: translateY(-4px);
  background: rgba(239, 68, 68, 0.08);
  border-color: rgba(248, 113, 113, 0.35);
  box-shadow: 0 12px 36px rgba(239, 68, 68, 0.15);
}

.problem-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(248, 113, 113, 0.3);
  color: #f87171;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  margin-bottom: 18px;
}

.problem-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: #fca5a5;
  font-weight: 700;
}

.problem-card p {
  font-size: 0.95rem;
  color: #cbd5e1;
  line-height: 1.6;
}

.problem-empathy-box {
  margin-top: 48px;
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-left: 5px solid #3b82f6;
  border-radius: var(--radius-lg);
  padding: 24px 32px;
  display: flex;
  align-items: center;
  gap: 22px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  box-shadow: var(--shadow-glass-md);
}

.empathy-icon {
  font-size: 2.2rem;
  flex-shrink: 0;
}

.empathy-text p {
  font-size: 1.05rem;
  color: #e2e8f0;
  font-weight: 500;
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   9. Solution Section (Understand -> Practice -> Speak -> Improve)
   -------------------------------------------------------------------------- */
.solution-section {
  position: relative;
  z-index: 1;
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.solution-card {
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 30px 22px;
  text-align: center;
  position: relative;
  transition: all 0.25s ease;
  box-shadow: var(--shadow-glass-sm);
}

.solution-card:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(96, 165, 250, 0.45);
  box-shadow: var(--shadow-glow-blue);
  transform: translateY(-4px);
}

.solution-step-num {
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 1.5rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.15);
}

.solution-card-icon {
  width: 60px;
  height: 60px;
  border-radius: 18px;
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(96, 165, 250, 0.35);
  color: #60a5fa;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  margin: 0 auto 20px auto;
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.2);
}

.solution-card h3 {
  font-size: 1.3rem;
  margin-bottom: 6px;
  color: #ffffff;
}

.solution-card .hindi-tag {
  font-size: 0.875rem;
  color: #60a5fa;
  font-weight: 700;
  margin-bottom: 12px;
}

.solution-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* --------------------------------------------------------------------------
   10. 10 Core Modules (What You Will Learn)
   -------------------------------------------------------------------------- */
.curriculum-section {
  position: relative;
  z-index: 1;
}

.curriculum-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.curriculum-card {
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 24px 26px;
  display: flex;
  align-items: flex-start;
  gap: 20px;
  transition: all 0.25s ease;
  box-shadow: var(--shadow-glass-sm);
}

.curriculum-card:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(96, 165, 250, 0.4);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glass-md);
}

.curriculum-index {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(59, 130, 246, 0.18);
  border: 1px solid rgba(96, 165, 250, 0.35);
  color: #93c5fd;
  font-weight: 800;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.curriculum-content h3 {
  font-size: 1.2rem;
  margin-bottom: 4px;
  color: #ffffff;
}

.curriculum-content .module-desc-hindi {
  font-size: 0.95rem;
  color: #cbd5e1;
  font-weight: 600;
  margin-bottom: 6px;
}

.curriculum-content .module-details {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   11. 15-Day Study Roadmap
   -------------------------------------------------------------------------- */
.roadmap-section {
  position: relative;
  z-index: 1;
}

.roadmap-timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}

.roadmap-phase-card {
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-top: 4px solid #3b82f6;
  border-radius: var(--radius-lg);
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: all 0.2s ease;
}

.roadmap-phase-card:hover {
  background: rgba(255, 255, 255, 0.07);
  transform: translateY(-3px);
}

.roadmap-phase-card.active {
  border-top-color: #fb923c;
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(96, 165, 250, 0.35);
  border-top-color: #fb923c;
  box-shadow: 0 8px 30px rgba(37, 99, 235, 0.25);
}

.phase-days {
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  color: #60a5fa;
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}

.roadmap-phase-card.active .phase-days {
  color: #fb923c;
}

.roadmap-phase-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: #ffffff;
}

.roadmap-phase-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* --------------------------------------------------------------------------
   12. Interactive Book Preview Section
   -------------------------------------------------------------------------- */
.preview-section {
  position: relative;
  z-index: 1;
}

.preview-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 36px;
}

.preview-tab-btn {
  padding: 10px 22px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.95rem;
  font-weight: 600;
  color: #cbd5e1;
  cursor: pointer;
  transition: all 0.2s ease;
}

.preview-tab-btn:hover {
  border-color: rgba(255, 255, 255, 0.3);
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}

.preview-tab-btn.active {
  background: rgba(37, 99, 235, 0.3);
  color: #ffffff;
  border-color: #60a5fa;
  box-shadow: 0 0 24px rgba(37, 99, 235, 0.45);
}

/* Preview Layout Grid */
.preview-layout-wrap {
  display: grid;
  grid-template-columns: 310px 1fr;
  gap: 32px;
  align-items: start;
  max-width: 1160px;
  margin: 0 auto;
}

.preview-book-sidebar {
  width: 100%;
}

.preview-book-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-xl);
  padding: 24px 20px;
  text-align: center;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.15);
  position: sticky;
  top: 90px;
}

.preview-card-badge {
  display: inline-block;
  background: rgba(37, 99, 235, 0.25);
  border: 1px solid rgba(96, 165, 250, 0.4);
  color: #93c5fd;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.preview-book-cover-img {
  width: 100%;
  max-width: 240px;
  height: auto;
  aspect-ratio: auto;
  object-fit: contain;
  margin: 0 auto 18px auto;
  display: block;
  filter: drop-shadow(0 15px 25px rgba(0, 0, 0, 0.6));
  transition: transform 0.3s ease;
}

.preview-book-card:hover .preview-book-cover-img {
  transform: translateY(-4px);
}

.preview-book-info h4 {
  font-size: 1.1rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 6px;
}

.preview-book-info p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 14px;
}

.preview-meta-tags {
  display: flex;
  justify-content: center;
  gap: 10px;
  font-size: 0.78rem;
  font-weight: 700;
  color: #60a5fa;
}

.preview-meta-tags span {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

.preview-content-main {
  width: 100%;
  min-width: 0;
}

/* Preview Display Frame */
.preview-viewer-container {
  width: 100%;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-xl);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.15);
  overflow: hidden;
}

.preview-viewer-header {
  background: rgba(255, 255, 255, 0.04);
  color: #ffffff;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.preview-viewer-header .doc-info {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  font-weight: 600;
}

.preview-viewer-header .page-tag {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  color: #93c5fd;
}

.preview-sheet-body {
  padding: 36px 40px;
  background: rgba(11, 17, 32, 0.6);
  min-height: 380px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.sample-page-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.sample-page-chapter {
  font-size: 0.8rem;
  font-weight: 800;
  color: #60a5fa;
  text-transform: uppercase;
  margin-bottom: 8px;
  letter-spacing: 0.06em;
}

.sample-page-heading {
  font-size: 1.55rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 12px;
}

.sample-formula-badge {
  background: rgba(59, 130, 246, 0.12);
  border-left: 4px solid #60a5fa;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 12px 18px;
  font-family: monospace;
  font-size: 1.05rem;
  font-weight: bold;
  color: #93c5fd;
  margin-bottom: 22px;
  border-top: 1px solid rgba(96, 165, 250, 0.2);
  border-bottom: 1px solid rgba(96, 165, 250, 0.2);
  border-right: 1px solid rgba(96, 165, 250, 0.2);
}

.sample-bilingual-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 18px;
}

.sample-bilingual-table th {
  background: rgba(255, 255, 255, 0.06);
  text-align: left;
  padding: 12px 16px;
  font-size: 0.85rem;
  font-weight: 700;
  color: #e2e8f0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sample-bilingual-table td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.95rem;
}

.sample-bilingual-table td.hindi {
  color: #ffffff;
  font-weight: 600;
}

.sample-bilingual-table td.english {
  color: #4ade80;
  font-weight: 700;
}

.preview-cta-wrap {
  text-align: center;
  margin-top: 40px;
}

/* --------------------------------------------------------------------------
   13. Who Is This For?
   -------------------------------------------------------------------------- */
.audience-section {
  position: relative;
  z-index: 1;
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.audience-card {
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-glass-sm);
}

.audience-card:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(96, 165, 250, 0.4);
  box-shadow: var(--shadow-glass-md);
  transform: translateY(-3px);
}

.audience-icon-badge {
  font-size: 2.3rem;
  margin-bottom: 18px;
}

.audience-card h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
  color: #ffffff;
}

.audience-card p {
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   14. How It Works (3 Steps)
   -------------------------------------------------------------------------- */
.steps-section {
  position: relative;
  z-index: 1;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}

.step-card {
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 38px 28px;
  position: relative;
  text-align: center;
  box-shadow: var(--shadow-glass-sm);
  transition: all 0.25s ease;
}

.step-card:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(96, 165, 250, 0.4);
  transform: translateY(-3px);
}

.step-num-bubble {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: rgba(59, 130, 246, 0.2);
  border: 1px solid rgba(96, 165, 250, 0.4);
  color: #60a5fa;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 800;
  margin: 0 auto 22px auto;
  box-shadow: 0 0 24px rgba(37, 99, 235, 0.35);
}

.step-card h3 {
  font-size: 1.35rem;
  margin-bottom: 12px;
  color: #ffffff;
}

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

/* --------------------------------------------------------------------------
   15. Social Proof / Reviews
   -------------------------------------------------------------------------- */
.reviews-section {
  position: relative;
  z-index: 1;
}

.reviews-notice-badge {
  text-align: center;
  margin-bottom: 28px;
}

.reviews-notice-badge span {
  display: inline-block;
  background: rgba(251, 146, 60, 0.12);
  border: 1px solid rgba(251, 146, 60, 0.35);
  color: #fdba74;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: var(--radius-full);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.25s ease;
  box-shadow: var(--shadow-glass-sm);
}

.review-card:hover {
  background: rgba(255, 255, 255, 0.07);
  box-shadow: var(--shadow-glass-md);
  border-color: rgba(96, 165, 250, 0.35);
  transform: translateY(-3px);
}

.review-stars {
  color: #fbbf24;
  font-size: 1.15rem;
  letter-spacing: 2px;
  margin-bottom: 14px;
  text-shadow: 0 0 10px rgba(251, 191, 36, 0.4);
}

.review-quote {
  font-size: 0.95rem;
  color: #cbd5e1;
  line-height: 1.65;
  font-style: italic;
  margin-bottom: 22px;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 16px;
}

.author-avatar-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #ffffff;
  font-size: 1rem;
}

.author-meta h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
}

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

/* --------------------------------------------------------------------------
   16. High-Converting Offer / Pricing Box (Frosted Glass Centerpiece)
   -------------------------------------------------------------------------- */
.pricing-section {
  position: relative;
  z-index: 1;
}

.pricing-card-wrapper {
  max-width: 980px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  color: #ffffff;
  border-radius: var(--radius-2xl);
  box-shadow: 0 25px 60px -10px rgba(0, 0, 0, 0.6), 0 0 40px rgba(37, 99, 235, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.pricing-card-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
}

.pricing-book-col {
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.9) 0%, rgba(30, 58, 138, 0.4) 100%);
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  padding: 40px 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pricing-book-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 100%;
}

.pricing-book-badge {
  background: rgba(37, 99, 235, 0.25);
  border: 1px solid rgba(96, 165, 250, 0.4);
  color: #93c5fd;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 24px;
}

.pricing-book-img {
  width: 100%;
  max-width: 270px;
  height: auto;
  aspect-ratio: auto;
  object-fit: contain;
  filter: drop-shadow(0 20px 30px rgba(0, 0, 0, 0.7));
  margin-bottom: 24px;
  transition: transform 0.3s ease;
}

.pricing-book-col:hover .pricing-book-img {
  transform: translateY(-4px) scale(1.02);
}

.pricing-book-badges-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
}

.pricing-feature-pill {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 7px 12px;
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 600;
  color: #cbd5e1;
}

.pricing-details-col {
  padding: 40px 38px 36px 38px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.pricing-promo-headline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.25) 0%, rgba(234, 88, 12, 0.15) 100%);
  border: 1px solid rgba(251, 146, 60, 0.45);
  color: #fdba74;
  font-size: 1rem;
  font-weight: 800;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
  width: fit-content;
  box-shadow: 0 4px 15px rgba(249, 115, 22, 0.15);
}

.pricing-box-title {
  font-size: 1.85rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 6px;
}

.pricing-box-subtitle {
  color: #94a3b8;
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.pricing-tag-row {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.pricing-strike {
  font-size: 1.4rem;
  color: var(--text-faint);
  text-decoration: line-through;
}

.pricing-current {
  font-size: 3.4rem;
  font-weight: 900;
  color: #ffffff;
  line-height: 1;
  text-shadow: 0 0 30px rgba(56, 189, 248, 0.4);
}

.pricing-discount-pill {
  background: rgba(249, 115, 22, 0.18);
  border: 1px solid rgba(251, 146, 60, 0.35);
  color: #fdba74;
  font-weight: 800;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.92rem;
}

.pricing-checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
}

.pricing-checklist li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.98rem;
  font-weight: 600;
  color: #e2e8f0;
}

.pricing-check-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(34, 197, 94, 0.18);
  border: 1px solid rgba(74, 222, 128, 0.35);
  color: #4ade80;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.8rem;
  font-weight: bold;
}

.pricing-cta-wrap {
  text-align: center;
  margin-bottom: 20px;
}

.pricing-cta-wrap .btn {
  width: 100%;
  padding: 16px 28px;
  font-size: 1.2rem;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.pricing-trust-guarantee {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
}

.pricing-trust-guarantee span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* --------------------------------------------------------------------------
   17. FAQ Accordion Section
   -------------------------------------------------------------------------- */
.faq-section {
  position: relative;
  z-index: 1;
}

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

.faq-item {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  overflow: hidden;
  transition: all 0.25s ease;
  box-shadow: var(--shadow-glass-sm);
}

.faq-item.active {
  border-color: rgba(96, 165, 250, 0.4);
  background: rgba(255, 255, 255, 0.07);
  box-shadow: var(--shadow-glass-md);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  cursor: pointer;
  background: none;
}

.faq-question:hover {
  background: rgba(255, 255, 255, 0.03);
}

.faq-chevron {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.3s ease;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
  background: rgba(59, 130, 246, 0.25);
  border-color: rgba(96, 165, 250, 0.4);
  color: #60a5fa;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out, padding 0.35s ease;
  padding: 0 24px;
  background: rgba(0, 0, 0, 0.2);
}

.faq-item.active .faq-answer {
  padding: 18px 24px 22px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.faq-answer p {
  font-size: 0.96rem;
  color: #cbd5e1;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   18. Final Call To Action Banner
   -------------------------------------------------------------------------- */
.final-cta-section {
  padding: 90px 20px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.final-cta-box {
  max-width: 820px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-xl);
  padding: 56px 40px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.final-cta-box h2 {
  font-size: 2.6rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 16px;
  line-height: 1.2;
}

.final-cta-box p {
  font-size: 1.25rem;
  color: #cbd5e1;
  margin-bottom: 36px;
}

.final-cta-box .btn-cta-large {
  background: #ffffff;
  color: #1e3a8a;
  padding: 18px 44px;
  font-size: 1.2rem;
  font-weight: 800;
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 30px rgba(255, 255, 255, 0.2);
  transition: all 0.25s ease;
}

.final-cta-box .btn-cta-large:hover {
  background: #f1f5f9;
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(255, 255, 255, 0.3);
  color: #1d4ed8;
}

.final-cta-subtext {
  margin-top: 20px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   19. Sticky Mobile Bottom CTA Bar
   -------------------------------------------------------------------------- */
.sticky-mobile-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 12px 18px;
  box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.4);
  z-index: 990;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.sticky-price-info {
  display: flex;
  flex-direction: column;
}

.sticky-price-original {
  font-size: 0.75rem;
  color: var(--text-faint);
  text-decoration: line-through;
}

.sticky-price-sale {
  font-size: 1.35rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1;
}

.sticky-cta-btn {
  flex: 1;
  max-width: 220px;
  padding: 12px 18px;
  font-size: 0.95rem;
  font-weight: 800;
  border-radius: var(--radius-md);
}

/* --------------------------------------------------------------------------
   20. Floating WhatsApp Button
   -------------------------------------------------------------------------- */
.floating-wa-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25d366;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.25);
  z-index: 995;
  transition: transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
  text-decoration: none;
}

.floating-wa-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 12px 32px rgba(37, 211, 102, 0.65);
}

.floating-wa-btn svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

.wa-online-dot {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #10b981;
  border: 2px solid #ffffff;
}

/* --------------------------------------------------------------------------
   21. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: rgba(11, 17, 32, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  color: #cbd5e1;
  padding: 64px 0 32px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand h3 {
  font-size: 1.35rem;
  color: #ffffff;
  margin-bottom: 10px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.65;
  max-width: 360px;
}

.footer-nav-col h4 {
  font-size: 0.95rem;
  color: #ffffff;
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links li a {
  color: var(--text-muted);
  font-size: 0.92rem;
  transition: color 0.2s;
}

.footer-links li a:hover {
  color: #ffffff;
}

.footer-social-links {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.social-icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #cbd5e1;
  transition: all 0.2s;
}

.social-icon-btn:hover {
  background: rgba(59, 130, 246, 0.3);
  border-color: rgba(96, 165, 250, 0.5);
  color: #ffffff;
  transform: translateY(-2px);
}

.footer-disclaimer-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 26px;
  font-size: 0.82rem;
  color: var(--text-faint);
  text-align: center;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   22. Policy Modals (Privacy, Terms, Refund)
   -------------------------------------------------------------------------- */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(11, 17, 32, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop.open {
  display: flex;
}

.modal-window {
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  max-width: 680px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.15);
  position: relative;
  color: #e2e8f0;
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  background: rgba(15, 23, 42, 0.98);
  z-index: 2;
}

.modal-header h3 {
  font-size: 1.25rem;
  color: #ffffff;
}

.modal-close-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.1rem;
  color: #cbd5e1;
  transition: all 0.2s;
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
}

.modal-body {
  padding: 24px;
  font-size: 0.95rem;
  color: #cbd5e1;
  line-height: 1.7;
}

.modal-body h4 {
  margin: 18px 0 8px 0;
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   23. Responsive Media Queries
   -------------------------------------------------------------------------- */
@media (max-width: 991px) {
  .hero-grid {
    display: flex;
    flex-direction: column;
    text-align: center;
    gap: 0;
  }

  /* Requirement 6: On mobile, place book mockup directly below headline and above primary CTA */
  .hero-content-col {
    display: contents;
  }

  .hero-intro-group {
    order: 1;
    margin-bottom: 20px;
  }

  .hero-visual-col {
    order: 2;
    margin: 0 auto 28px auto;
    width: 100%;
  }

  .hero-pitch-paragraph {
    order: 3;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 24px;
    max-width: 580px;
  }

  .hero-checklist {
    order: 4;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 28px;
  }

  .hero-cta-group-wrap {
    order: 5;
    align-items: center;
  }

  .hero-badge-pill {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-promo-headline {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-price-box {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-guarantee-note {
    justify-content: center;
  }

  .preview-layout-wrap {
    grid-template-columns: 1fr;
  }

  .preview-book-sidebar {
    max-width: 360px;
    margin: 0 auto;
  }

  .pricing-card-grid {
    grid-template-columns: 1fr;
  }

  .pricing-book-col {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

  .trust-strip-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .solution-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .roadmap-timeline {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .section-title {
    font-size: 1.85rem;
  }

  .hero-main-title {
    font-size: 2.25rem;
  }

  .hero-sub-title {
    font-size: 1.12rem;
  }

  .hero-book-mockup-img {
    max-width: 270px;
  }

  .book-ambient-glow {
    width: 260px;
    height: 320px;
  }

  .trust-strip-grid {
    grid-template-columns: 1fr;
  }

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

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

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

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .header-price-hint {
    display: none;
  }

  /* Show sticky bottom bar on mobile */
  .sticky-mobile-bar {
    display: flex;
  }

  body {
    padding-bottom: 70px;
  }

  .floating-wa-btn {
    bottom: 84px;
    right: 18px;
    width: 50px;
    height: 50px;
  }

  .floating-tag {
    display: none;
  }

  .pricing-details-col {
    padding: 28px 20px;
  }

  .pricing-current {
    font-size: 2.8rem;
  }
}

/* --------------------------------------------------------------------------
   24. Post-Payment Download & Success Page Styling
   -------------------------------------------------------------------------- */
.success-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: radial-gradient(circle at 50% 15%, rgba(37, 99, 235, 0.22) 0%, transparent 65%),
              radial-gradient(circle at 85% 75%, rgba(34, 197, 94, 0.12) 0%, transparent 50%),
              #0f172a;
  color: #ffffff;
}

.success-main-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 20px 64px 20px;
}

.success-card {
  width: 100%;
  max-width: 680px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 24px;
  padding: 44px 36px;
  text-align: center;
  box-shadow: 0 25px 65px -12px rgba(0, 0, 0, 0.65), 0 0 45px rgba(34, 197, 94, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
  margin: 0 auto;
}

.success-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #22c55e 0%, #3b82f6 50%, #22c55e 100%);
}

.success-icon-badge {
  width: 82px;
  height: 82px;
  margin: 0 auto 24px auto;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.25) 0%, rgba(16, 185, 129, 0.35) 100%);
  border: 2px solid rgba(74, 222, 128, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 35px rgba(34, 197, 94, 0.4), inset 0 0 15px rgba(34, 197, 94, 0.25);
  animation: pulseGlow 3s infinite ease-in-out;
}

.success-icon-badge svg {
  width: 44px;
  height: 44px;
  color: #4ade80;
}

.success-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.success-subtext {
  font-size: 1.15rem;
  color: #cbd5e1;
  margin-bottom: 28px;
  line-height: 1.5;
}

.success-product-tile {
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 18px;
  text-align: left;
  margin-bottom: 28px;
}

.success-product-thumb {
  width: 64px;
  height: 85px;
  object-fit: contain;
  border-radius: 6px;
  filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.45));
  flex-shrink: 0;
}

.success-product-details {
  flex: 1;
  min-width: 0;
}

.success-product-title {
  font-size: 1.08rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 4px;
}

.success-product-subtitle {
  font-size: 0.86rem;
  color: #94a3b8;
  margin-bottom: 8px;
}

.success-product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.success-product-tag {
  font-size: 0.76rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 9999px;
  background: rgba(37, 99, 235, 0.2);
  border: 1px solid rgba(96, 165, 250, 0.35);
  color: #93c5fd;
}

.success-product-tag.paid {
  background: rgba(34, 197, 94, 0.18);
  border-color: rgba(74, 222, 128, 0.4);
  color: #86efac;
}

.btn-download-large {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  padding: 20px 32px;
  font-size: 1.35rem;
  font-weight: 800;
  color: #ffffff;
  background: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
  border: 1px solid rgba(134, 239, 172, 0.45);
  border-radius: 16px;
  text-decoration: none;
  box-shadow: 0 10px 25px rgba(22, 163, 74, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-download-large:hover {
  background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
  transform: translateY(-2px);
  box-shadow: 0 16px 35px rgba(34, 197, 94, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.gdrive-instruction-box {
  background: rgba(249, 115, 22, 0.12);
  border: 1px solid rgba(251, 146, 60, 0.4);
  border-radius: 14px;
  padding: 16px 20px;
  text-align: left;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 28px;
}

.gdrive-instruction-text {
  font-size: 0.95rem;
  color: #fed7aa;
  line-height: 1.55;
}

.gdrive-instruction-text strong {
  color: #ffffff;
  display: block;
  font-size: 1.02rem;
  margin-bottom: 4px;
}