@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Color Palette */
  --bg-dark: #070a12;
  --bg-surface: #0d121f;
  --bg-card: rgba(16, 23, 39, 0.75);
  --bg-card-hover: rgba(23, 32, 54, 0.88);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(99, 102, 241, 0.35);

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  /* Brand Accents */
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --secondary: #06b6d4;
  --accent-pink: #ec4899;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;

  --grad-brand: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
  --grad-accent: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  --grad-glow: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.18), transparent 70%);

  /* UI Tokens */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 40px -10px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 35px -5px rgba(99, 102, 241, 0.35);

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(ellipse at 50% -20%, rgba(99, 102, 241, 0.25) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 50%, rgba(6, 182, 212, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 20% 80%, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
  background-attachment: fixed;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: #fff;
}

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

.text-cyan {
  background: var(--grad-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* Containers */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Glassmorphism utility */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-smooth);
}

.glass-panel:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-smooth);
  border: none;
  outline: none;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn-primary {
  background: var(--grad-brand);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.6);
  filter: brightness(1.1);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.btn-success {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.35);
}

.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(16, 185, 129, 0.5);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 15px 32px;
  font-size: 1.05rem;
  font-weight: 700;
}

.btn-block {
  width: 100%;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.badge-primary {
  background: rgba(99, 102, 241, 0.18);
  color: #a5b4fc;
  border: 1px solid rgba(99, 102, 241, 0.4);
}

.badge-bestseller {
  background: linear-gradient(135deg, #f59e0b 0%, #ea580c 100%);
  color: #fff;
  box-shadow: 0 2px 10px rgba(245, 158, 11, 0.4);
}

.badge-new {
  background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  color: #fff;
}

.badge-ai {
  background: linear-gradient(135deg, #10b981 0%, #065f46 100%);
  color: #fff;
}

/* Navigation Bar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(7, 10, 18, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 16px 0;
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #fff;
}

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--grad-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-name span {
  color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: #fff;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Header Banner / Alert */
.top-notice {
  background: linear-gradient(90deg, #312e81, #1e1b4b, #312e81);
  border-bottom: 1px solid rgba(99, 102, 241, 0.3);
  padding: 8px 16px;
  font-size: 0.85rem;
  text-align: center;
  color: #e0e7ff;
}

.top-notice strong {
  color: #fbbf24;
}

/* Hero Section */
.hero-section {
  padding: 70px 0 50px;
  text-align: center;
  position: relative;
}

.hero-pill {
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(2.3rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  max-width: 900px;
  margin-inline: auto;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-muted);
  max-width: 720px;
  margin: 0 auto 36px;
}

.hero-stats-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  flex-wrap: wrap;
  margin-top: 40px;
  padding-top: 30px;
  border-top: 1px solid var(--border-subtle);
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: left;
}

.stat-icon {
  font-size: 1.8rem;
}

.stat-num {
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Filter & Search Bar */
.filter-section {
  padding: 24px 0 40px;
}

.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  padding: 16px 20px;
  border-radius: var(--radius-lg);
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 260px;
}

.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  pointer-events: none;
}

.search-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 12px 18px 12px 46px;
  font-size: 0.95rem;
  color: #fff;
  font-family: var(--font-body);
  transition: all var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.25);
  background: rgba(255, 255, 255, 0.08);
}

.category-pills {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.cat-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.cat-btn:hover, .cat-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 2px 10px rgba(99, 102, 241, 0.3);
}

/* Products Grid */
.products-section {
  padding-bottom: 70px;
}

.section-head {
  text-align: center;
  margin-bottom: 40px;
}

.section-head h2 {
  font-size: 2.2rem;
  margin-bottom: 10px;
}

.section-head p {
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

/* Product Card */
.book-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 24px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
}

.book-card:hover {
  transform: translateY(-8px);
}

.card-badge-top {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 5;
}

.book-visual-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 0;
  perspective: 1000px;
}

.book-cover-img {
  width: 100%;
  max-width: 230px;
  height: 310px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.8), 0 0 20px rgba(99, 102, 241, 0.2);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.book-card:hover .book-cover-img {
  transform: scale(1.03) rotateY(-4deg);
  box-shadow: 0 20px 45px -5px rgba(0, 0, 0, 0.9), 0 0 35px rgba(99, 102, 241, 0.35);
}

.book-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 14px 0 10px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.rating-stars {
  color: #f59e0b;
  display: flex;
  align-items: center;
  gap: 4px;
  font-weight: 700;
}

.page-count {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: rgba(255, 255, 255, 0.05);
  padding: 3px 8px;
  border-radius: 6px;
}

.book-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #fff;
  line-height: 1.3;
}

.book-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 18px;
  flex: 1;
}

.book-pricing-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
}

.price-current {
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff;
  font-family: var(--font-heading);
}

.price-original {
  font-size: 1rem;
  color: var(--text-dim);
  text-decoration: line-through;
}

.price-discount {
  font-size: 0.8rem;
  font-weight: 700;
  color: #10b981;
  background: rgba(16, 185, 129, 0.12);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.card-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.btn-visit-site {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(6, 182, 212, 0.15));
  border: 1px solid rgba(99, 102, 241, 0.4);
  color: #fff;
}

.btn-visit-site:hover {
  background: var(--grad-brand);
  border-color: transparent;
  color: #fff;
}

/* Bundle Banner */
.bundle-banner {
  margin: 40px 0 70px;
  padding: 40px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(30, 27, 75, 0.9), rgba(15, 23, 42, 0.95));
  border: 1px solid rgba(99, 102, 241, 0.4);
}

.bundle-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.25), transparent 70%);
  pointer-events: none;
}

.bundle-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}

.bundle-info h3 {
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.bundle-info p {
  color: var(--text-muted);
  max-width: 550px;
}

.bundle-pricing {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* Features Grid */
.features-section {
  padding: 50px 0 80px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.feature-box {
  padding: 28px;
  text-align: left;
}

.feat-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 18px;
  color: #a5b4fc;
}

.feature-box h4 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.feature-box p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Reviews / Testimonials */
.testimonials-section {
  padding-bottom: 80px;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.review-card {
  padding: 26px;
}

.reviewer-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.reviewer-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--grad-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  color: white;
}

.reviewer-details h5 {
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.reviewer-details span {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.review-text {
  font-size: 0.92rem;
  color: #cbd5e1;
  font-style: italic;
  line-height: 1.6;
}

/* FAQ Accordion */
.faq-section {
  padding-bottom: 90px;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  color: #fff;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
}

.faq-icon {
  font-size: 1.2rem;
  transition: transform var(--transition-smooth);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-smooth), padding var(--transition-smooth);
  padding: 0 24px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px 24px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  background: rgba(5, 7, 13, 0.95);
  padding: 60px 0 30px;
  font-size: 0.9rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand p {
  color: var(--text-muted);
  margin-top: 14px;
  max-width: 320px;
}

.footer-col h5 {
  font-size: 1rem;
  margin-bottom: 18px;
  color: #fff;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: #fff;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  width: 100%;
  max-width: 650px;
  background: #0f1627;
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.8), var(--shadow-glow);
  transform: translateY(20px) scale(0.96);
  transition: transform var(--transition-smooth);
  overflow: hidden;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

.modal-backdrop.open .modal-container {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.02);
}

.modal-header h3 {
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.modal-close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  padding: 4px;
  border-radius: 6px;
  transition: color var(--transition-fast);
}

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

.modal-body {
  padding: 24px;
  overflow-y: auto;
}

/* Checkout Form Styles inside Modal */
.checkout-summary {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(255, 255, 255, 0.04);
  padding: 16px;
  border-radius: var(--radius-md);
  margin-bottom: 24px;
}

.checkout-book-thumb {
  width: 60px;
  height: 80px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
}

.checkout-details h4 {
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.checkout-details p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.payment-methods-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.payment-method-card {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px;
  text-align: center;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.02);
  transition: all var(--transition-fast);
}

.payment-method-card:hover, .payment-method-card.selected {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.12);
}

.pay-icon {
  font-size: 1.5rem;
  margin-bottom: 6px;
}

.pay-name {
  font-size: 0.8rem;
  font-weight: 600;
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-muted);
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.95rem;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
}

.coupon-row {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

.coupon-input {
  flex: 1;
}

.price-breakdown {
  border-top: 1px dashed var(--border-subtle);
  padding-top: 14px;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.9rem;
}

.breakdown-row {
  display: flex;
  justify-content: space-between;
  color: var(--text-muted);
}

.breakdown-row.total {
  font-size: 1.15rem;
  font-weight: 800;
  color: #fff;
  border-top: 1px solid var(--border-subtle);
  padding-top: 8px;
  margin-top: 4px;
}

/* Success Download Box */
.success-box {
  text-align: center;
  padding: 20px 10px;
  display: none;
}

.success-icon-wrap {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.2);
  color: #10b981;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  margin: 0 auto 16px;
  box-shadow: 0 0 25px rgba(16, 185, 129, 0.4);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 1500;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid rgba(99, 102, 241, 0.35);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(12px);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: slideInUp 0.4s ease forwards;
  max-width: 360px;
}

.toast-icon {
  font-size: 1.4rem;
}

.toast-content h6 {
  font-size: 0.85rem;
  margin-bottom: 2px;
}

.toast-content p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

@keyframes slideInUp {
  from {
    transform: translateY(30px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Interactive PDF Preview Modal styles */
.reader-container {
  background: #0b0f19;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  min-height: 380px;
  display: flex;
  flex-direction: column;
}

.reader-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 16px;
  font-size: 0.85rem;
}

.reader-page-content {
  flex: 1;
  background: #111827;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  padding: 24px;
  line-height: 1.7;
}

.reader-watermark {
  display: inline-block;
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 12px;
}

/* Mobile responsive */
@media (max-width: 900px) {
  .nav-links {
    display: none;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
  .bundle-content {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 600px) {
  .footer-top {
    grid-template-columns: 1fr;
  }
  .payment-methods-grid {
    grid-template-columns: 1fr;
  }
  .hero-stats-row {
    gap: 20px;
  }
}