/* ==========================================================================
   CHILDREN'S ACTIVITY WORKBOOK - STYLESHEET
   A vibrant, modern, watercolor-friendly educational digital product design
   ========================================================================== */

/* --- CSS Variables & Design Tokens --- */
:root {
  /* Brand Color Palette */
  --primary: #FF5E7E;          /* Cheerful Rose/Coral */
  --primary-hover: #E11D48;
  --primary-light: #FFF1F4;
  
  --secondary: #0284C7;        /* Sky Blue */
  --secondary-hover: #0369A1;
  --secondary-light: #E0F2FE;
  
  --yellow: #F59E0B;           /* Warm Sunbeam Yellow */
  --yellow-light: #FEF3C7;
  --yellow-dark: #B45309;

  --green: #10B981;            /* Fresh Mint Green */
  --green-light: #D1FAE5;
  --green-dark: #047857;

  --purple: #8B5CF6;           /* Playful Violet */
  --purple-light: #EDE9FE;
  --purple-dark: #6D28D9;

  --orange: #FB923C;           /* Mandarin Orange */
  --orange-light: #FFEDD5;

  /* Neutral Backgrounds & Surfaces */
  --bg-main: #FFFDF9;          /* Warm Cream Canvas */
  --bg-alt: #F8FAFC;           /* Soft Slate Tint */
  --bg-card: #FFFFFF;
  --bg-glass: rgba(255, 255, 255, 0.85);

  /* Typography & Text */
  --text-main: #1E293B;        /* Deep Slate for high contrast & readability */
  --text-muted: #64748B;       /* Medium Slate */
  --text-light: #94A3B8;
  --border-color: #F1F5F9;
  --border-subtle: #E2E8F0;

  /* Fonts */
  --font-heading: 'Fredoka', cursive, system-ui, -apple-system, sans-serif;
  --font-body: 'Nunito', 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  /* Elevation Shadows */
  --shadow-sm: 0 2px 8px rgba(30, 41, 59, 0.04);
  --shadow-md: 0 10px 25px -5px rgba(30, 41, 59, 0.07), 0 8px 10px -6px rgba(30, 41, 59, 0.03);
  --shadow-lg: 0 20px 35px -8px rgba(30, 41, 59, 0.1), 0 10px 15px -5px rgba(30, 41, 59, 0.04);
  --shadow-colored-primary: 0 12px 28px -6px rgba(255, 94, 126, 0.35);
  --shadow-colored-blue: 0 12px 28px -6px rgba(2, 132, 199, 0.3);
  --shadow-colored-green: 0 12px 28px -6px rgba(16, 185, 129, 0.3);

  /* Radius */
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 9999px;

  /* Transitions */
  --transition-fast: 0.18s ease;
  --transition-smooth: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  width: 100%;
  position: relative;
  background-image: 
    radial-gradient(#FDE68A 1px, transparent 1px),
    radial-gradient(#BAE6FD 1px, transparent 1px);
  background-size: 40px 40px, 40px 40px;
  background-position: 0 0, 20px 20px;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.25;
  color: var(--text-main);
}

.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container-narrow {
  max-width: 900px;
}

/* --- Utility Classes & Badges --- */
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-yellow { color: var(--yellow-dark); }
.text-green { color: var(--green-dark); }
.text-purple { color: var(--purple-dark); }
.text-muted { color: var(--text-muted); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.badge-primary {
  background: var(--primary-light);
  color: var(--primary-hover);
  border: 1.5px solid rgba(255, 94, 126, 0.25);
}

.badge-secondary {
  background: var(--secondary-light);
  color: var(--secondary);
  border: 1.5px solid rgba(2, 132, 199, 0.25);
}

.badge-yellow {
  background: var(--yellow-light);
  color: var(--yellow-dark);
  border: 1.5px solid rgba(245, 158, 11, 0.3);
}

.badge-green {
  background: var(--green-light);
  color: var(--green-dark);
  border: 1.5px solid rgba(16, 185, 129, 0.3);
}

.badge-purple {
  background: var(--purple-light);
  color: var(--purple-dark);
  border: 1.5px solid rgba(139, 92, 246, 0.3);
}

/* --- Section Headers --- */
.section {
  padding: 5.5rem 0;
  position: relative;
}

.section-alt {
  background-color: var(--bg-alt);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.section-header {
  margin-bottom: 3.5rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin-top: 0.75rem;
  margin-bottom: 1rem;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.section-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.6;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 0.6rem;
  padding: 0.95rem 1.85rem;
  font-size: 1.05rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  transition: all var(--transition-smooth);
  text-decoration: none;
  user-select: none;
  max-width: 100%;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: linear-gradient(135deg, #FF6B8B 0%, #FF4468 100%);
  color: #FFFFFF;
  box-shadow: var(--shadow-colored-primary);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #FF5578 0%, #E11D48 100%);
  transform: translateY(-2px);
  box-shadow: 0 16px 32px -6px rgba(255, 68, 104, 0.45);
}

.btn-secondary {
  background: #FFFFFF;
  color: var(--secondary);
  border: 2px solid var(--secondary-light);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  border-color: var(--secondary);
  background: var(--secondary-light);
  transform: translateY(-2px);
}

.btn-yellow {
  background: linear-gradient(135deg, #FBBF24 0%, #F59E0B 100%);
  color: #78350F;
  box-shadow: 0 12px 28px -6px rgba(245, 158, 11, 0.35);
}

.btn-yellow:hover {
  background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.6rem 1.25rem;
  font-size: 0.9rem;
}

.btn-lg {
  padding: 1.15rem 2.25rem;
  font-size: 1.2rem;
}

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

@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(255, 94, 126, 0.45), var(--shadow-colored-primary);
  }
  50% {
    box-shadow: 0 0 0 12px rgba(255, 94, 126, 0), var(--shadow-colored-primary);
  }
}

/* --- Top Announcement Bar --- */
.top-bar {
  background: linear-gradient(90deg, #F43F5E, #8B5CF6, #38BDF8, #10B981, #F59E0B);
  background-size: 300% 300%;
  animation: gradientShift 10s ease infinite;
  color: #FFFFFF;
  padding: 0.5rem 1rem;
  font-size: 0.88rem;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.01em;
}

.top-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.top-bar-pill {
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(4px);
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  text-transform: uppercase;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* --- Sticky Navbar --- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  transition: all var(--transition-fast);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
}

.brand-icon-box {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, #FEF3C7, #FEE2E2);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(251, 191, 36, 0.2);
  border: 1.5px solid #FDE68A;
}

.brand-badge {
  font-size: 0.7rem;
  background: var(--yellow-light);
  color: var(--yellow-dark);
  padding: 0.1rem 0.5rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-weight: 800;
  margin-left: 0.3rem;
  vertical-align: middle;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-link {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--text-muted);
  transition: color var(--transition-fast);
  position: relative;
  padding: 0.35rem 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: width var(--transition-smooth);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.mobile-menu-btn {
  display: none;
  background: #FFFFFF;
  border: 1.5px solid var(--border-subtle);
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
}

/* --- Hero Section --- */
.hero {
  padding: 4.5rem 0 5.5rem;
  position: relative;
  overflow: hidden;
}

.hero-bg-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  z-index: 0;
  opacity: 0.55;
  pointer-events: none;
}

.blob-1 {
  top: -50px;
  right: -50px;
  width: 450px;
  height: 450px;
  background: #FEE2E2;
}

.blob-2 {
  bottom: -50px;
  left: -50px;
  width: 420px;
  height: 420px;
  background: #E0F2FE;
}

.blob-3 {
  top: 40%;
  left: 30%;
  width: 300px;
  height: 300px;
  background: #FEF3C7;
  opacity: 0.4;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.95fr;
  gap: 3.5rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badges-wrapper {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.hero-headline {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  color: var(--text-main);
}

.hero-headline .highlight-fun {
  background: linear-gradient(120deg, #FF6B8B 0%, #8B5CF6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-headline .highlight-screenfree {
  position: relative;
  display: inline-block;
  color: var(--secondary);
}

.hero-headline .highlight-screenfree::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 8px;
  background: #BAE6FD;
  z-index: -1;
  border-radius: 4px;
  transform: rotate(-1deg);
}

.hero-subheadline {
  font-size: 1.22rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 2rem;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
  margin-bottom: 1.75rem;
}

.hero-price-tag {
  font-size: 0.85rem;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.3);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-pill);
  margin-left: 0.4rem;
}

.hero-trust-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 600;
}

.hero-trust-line svg {
  color: var(--green);
  flex-shrink: 0;
}

.hero-features-chips {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.75rem;
  flex-wrap: wrap;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
}

/* --- Hero Visual Showcase Mockup --- */
.hero-visual-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  perspective: 1000px;
}

.hero-book-stage {
  position: relative;
  width: 100%;
  max-width: 480px;
  filter: drop-shadow(0 25px 35px rgba(30, 41, 59, 0.18));
  transition: transform var(--transition-smooth);
}

.hero-book-stage:hover {
  transform: translateY(-6px) rotate(1deg);
}

.hero-book-stage img {
  border-radius: var(--radius-lg);
  width: 100%;
  height: auto;
  border: 4px solid #FFFFFF;
}

/* Floating floating stickers */
.hero-floating-badge {
  position: absolute;
  background: #FFFFFF;
  padding: 0.75rem 1.1rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border: 2px solid var(--border-color);
  z-index: 3;
  animation: floatAnim 4s ease-in-out infinite;
}

.badge-pos-top-left {
  top: -20px;
  left: -25px;
  animation-delay: 0s;
}

.badge-pos-bottom-right {
  bottom: 25px;
  right: -25px;
  animation-delay: 2s;
}

.badge-pos-mid-left {
  bottom: 120px;
  left: -35px;
  animation-delay: 1s;
}

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

.floating-icon-bubble {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.floating-text-title {
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.2;
}

.floating-text-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* --- Trust & Metrics Strip --- */
.metrics-strip {
  background: #FFFFFF;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 1.75rem 0;
  box-shadow: var(--shadow-sm);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  text-align: center;
}

.metric-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
}

.metric-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.25rem;
}

.metric-label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-muted);
}

/* --- Section: Product Preview / Peek Inside --- */
.preview-showcase-banner {
  background: linear-gradient(135deg, #FFF1F4 0%, #EDE9FE 50%, #E0F2FE 100%);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  margin-bottom: 3.5rem;
  border: 2px solid rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 2.5rem;
  align-items: center;
}

.preview-banner-content h3 {
  font-size: 1.9rem;
  margin-bottom: 1rem;
}

.preview-banner-content p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.preview-banner-img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  border: 4px solid #FFFFFF;
  transition: transform var(--transition-smooth);
}

.preview-banner-img:hover {
  transform: scale(1.02);
}

/* Preview Cards Grid */
.preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.75rem;
}

.preview-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--border-color);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.preview-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(255, 94, 126, 0.4);
}

.preview-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.preview-card-tag {
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
}

.preview-card-page-num {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-light);
}

.preview-card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1rem;
}

.preview-card-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.preview-card-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.preview-card-btn {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: auto;
  transition: gap var(--transition-fast);
}

.preview-card:hover .preview-card-btn {
  gap: 0.6rem;
}

/* --- Section: What's Inside (Complete 31 Activities) --- */
.filter-tabs-wrapper {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.filter-tab {
  padding: 0.55rem 1.2rem;
  border-radius: var(--radius-pill);
  font-size: 0.92rem;
  font-weight: 700;
  background: #FFFFFF;
  color: var(--text-muted);
  border: 1.5px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.filter-tab:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.filter-tab.active {
  background: var(--text-main);
  color: #FFFFFF;
  border-color: var(--text-main);
  box-shadow: var(--shadow-sm);
}

.activities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 1.25rem;
}

.activity-item {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 1.25rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  transition: all var(--transition-smooth);
}

.activity-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: #CBD5E1;
}

.activity-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
}

.activity-content h4 {
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
  line-height: 1.3;
}

.activity-content p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.activity-badge {
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  padding: 0.1rem 0.45rem;
  border-radius: var(--radius-pill);
  margin-bottom: 0.35rem;
  display: inline-block;
}

/* --- Section: Skills (Learning Through Play) --- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 1.75rem;
}

.skill-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  border: 1.5px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--card-accent, var(--primary));
}

.skill-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.skill-icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 1.25rem;
}

.skill-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

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

/* --- Section: Testimonials & Reviews --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.testimonial-card {
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  padding: 2rem;
  border: 1.5px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-smooth);
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: #FDE68A;
}

.testimonial-stars {
  color: #F59E0B;
  font-size: 1.2rem;
  margin-bottom: 0.85rem;
  letter-spacing: 2px;
}

.testimonial-quote {
  font-size: 0.98rem;
  color: var(--text-main);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #FEF3C7, #FEE2E2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.author-name {
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--text-main);
}

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

/* --- Printing Tips Box --- */
.printing-tips-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 1.75rem;
}

.printing-tip-card {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 1.25rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.printing-tip-card h4 {
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.printing-tip-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* --- Section: Why Parents & Teachers Will Love It --- */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.benefit-card {
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  padding: 2.25rem 2rem;
  border: 1.5px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
  text-align: left;
}

.benefit-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.benefit-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.85rem;
  margin-bottom: 1.25rem;
}

.benefit-card h3 {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
}

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

/* --- Section: Perfect For (9 Target Audiences) --- */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.audience-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: all var(--transition-smooth);
}

.audience-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: #CBD5E1;
}

.audience-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.audience-card h4 {
  font-size: 1.1rem;
  line-height: 1.3;
}

/* --- Section: How It Works --- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  position: relative;
}

.step-card {
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  border: 1.5px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  position: relative;
  text-align: center;
  transition: all var(--transition-smooth);
}

.step-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.step-num-badge {
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--text-main);
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  padding: 0.3rem 1.1rem;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-md);
}

.step-icon-wrap {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  margin: 0.75rem auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
}

.step-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.step-card p {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.6;
}

/* --- Section: Product Specifications & Details --- */
.specs-wrapper {
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  border: 1.5px solid var(--border-color);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.spec-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  border-radius: var(--radius-md);
  background: var(--bg-alt);
}

.spec-icon-box {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  background: #FFFFFF;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

.spec-info-title {
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.03em;
  margin-bottom: 0.15rem;
}

.spec-info-value {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.3;
}

/* --- Section: Age / Learning Level Section --- */
.age-guide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.age-card {
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  border: 2px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.age-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.age-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.age-pill {
  font-size: 0.8rem;
  font-weight: 800;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
}

.age-card h3 {
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}

.age-card-focus {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 1.25rem;
}

.age-skills-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.age-skills-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.age-skills-list li svg {
  color: var(--green);
  flex-shrink: 0;
}

.age-disclaimer-note {
  margin-top: 2rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
  font-style: italic;
}

/* --- Section: Rewards & Progress Section --- */
.rewards-banner {
  background: linear-gradient(135deg, #FFFBEB 0%, #FEF3C7 50%, #FEE2E2 100%);
  border-radius: var(--radius-xl);
  padding: 3.5rem 3rem;
  border: 2px solid #FDE68A;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.rewards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.reward-cards-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.reward-card-mini {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  border: 1.5px solid rgba(251, 191, 36, 0.3);
  text-align: center;
  transition: transform var(--transition-fast);
}

.reward-card-mini:hover {
  transform: translateY(-3px);
}

.reward-card-mini .reward-icon {
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
}

.reward-card-mini h4 {
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.reward-card-mini p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.reward-card-mini.featured {
  grid-column: span 2;
  background: linear-gradient(135deg, #FFFFFF 0%, #FFFBEB 100%);
  border-color: #F59E0B;
}

/* --- Section: Digital Product Notice --- */
.notice-box {
  background: linear-gradient(135deg, #FEF3C7 0%, #FFFBEB 100%);
  border: 2px dashed #F59E0B;
  border-radius: var(--radius-xl);
  padding: 2.25rem 2.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1.75rem;
  box-shadow: var(--shadow-md);
  margin: 2rem 0;
}

.notice-icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

.notice-content h3 {
  font-size: 1.4rem;
  color: #78350F;
  margin-bottom: 0.5rem;
}

.notice-content p {
  font-size: 0.98rem;
  color: #92400E;
  line-height: 1.6;
}

/* --- Section: FAQ Accordion --- */
.faq-wrapper {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--border-color);
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 1.4rem 1.75rem;
  font-size: 1.15rem;
  font-weight: 700;
  font-family: var(--font-heading);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.faq-icon-toggle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-smooth), background-color var(--transition-fast);
  flex-shrink: 0;
}

.faq-item.active .faq-icon-toggle {
  transform: rotate(180deg);
  background: var(--primary-light);
  color: var(--primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), padding 0.35s ease;
  padding: 0 1.75rem;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.65;
}

.faq-item.active .faq-answer {
  padding-bottom: 1.5rem;
}

/* --- Section: Final CTA & Pricing --- */
.final-cta-section {
  padding: 5.5rem 0 6.5rem;
  background: linear-gradient(180deg, var(--bg-main) 0%, #FFF1F4 100%);
  position: relative;
}

.pricing-card-master {
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  border: 2.5px solid var(--primary);
  box-shadow: var(--shadow-lg), 0 0 0 10px rgba(255, 94, 126, 0.08);
  padding: 3.5rem 3rem;
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.pricing-ribbon {
  position: absolute;
  top: 24px;
  right: -36px;
  background: linear-gradient(135deg, #F59E0B, #EF4444);
  color: #FFFFFF;
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  padding: 0.35rem 3rem;
  transform: rotate(45deg);
  box-shadow: var(--shadow-sm);
  letter-spacing: 0.05em;
}

.pricing-header h2 {
  font-size: 2.4rem;
  margin-bottom: 0.75rem;
}

.pricing-header p {
  color: var(--text-muted);
  font-size: 1.15rem;
  max-width: 620px;
  margin: 0 auto 2rem;
}

.price-box-wrapper {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

.price-currency {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-main);
}

.price-amount {
  font-family: var(--font-heading);
  font-size: 4.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--primary);
}

.price-original {
  font-size: 1.6rem;
  text-decoration: line-through;
  color: var(--text-light);
  font-weight: 600;
}

.price-savings-badge {
  background: var(--green-light);
  color: var(--green-dark);
  font-weight: 800;
  font-size: 0.85rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
}

.pricing-features-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem 1.5rem;
  max-width: 650px;
  margin: 0 auto 2.5rem;
  text-align: left;
}

.pricing-feature-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text-main);
}

.pricing-feature-item svg {
  color: var(--green);
  flex-shrink: 0;
}

.pricing-guarantee-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-top: 1.5rem;
}

/* --- Footer --- */
.footer {
  background: #0F172A;
  color: #F8FAFC;
  padding: 4.5rem 0 2rem;
  font-size: 0.95rem;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand h4 {
  color: #FFFFFF;
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.footer-brand p {
  color: #94A3B8;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  max-width: 320px;
}

.footer-col h5 {
  color: #FFFFFF;
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
  font-family: var(--font-heading);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: #94A3B8;
  transition: color var(--transition-fast);
}

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

.footer-disclaimer-card {
  background: #1E293B;
  border-radius: var(--radius-md);
  padding: 1.5rem;
  border: 1px solid #334155;
  margin-bottom: 3rem;
}

.footer-disclaimer-card h6 {
  color: #FDE68A;
  font-size: 0.95rem;
  margin-bottom: 0.4rem;
}

.footer-disclaimer-card p {
  color: #94A3B8;
  font-size: 0.88rem;
  line-height: 1.55;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid #1E293B;
  color: #64748B;
  font-size: 0.88rem;
  flex-wrap: wrap;
  gap: 1rem;
}

/* --- Floating Bottom Sticky CTA (Mobile/Scroll) --- */
.floating-bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1.5px solid var(--border-subtle);
  padding: 0.75rem 1.5rem;
  box-shadow: 0 -8px 20px rgba(0, 0, 0, 0.08);
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transform: translateY(120%);
  transition: transform var(--transition-smooth);
}

.floating-bottom-bar.visible {
  transform: translateY(0);
}

.floating-bar-info {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.floating-bar-text {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
}

.floating-bar-price {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--primary);
}

/* --- Interactive Modals & Lightbox --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

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

.modal-container {
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  position: relative;
  transform: scale(0.92);
  transition: transform var(--transition-smooth);
  padding: 2.5rem;
}

.modal-overlay.open .modal-container {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: var(--primary-light);
  color: var(--primary);
}

.modal-header {
  margin-bottom: 1.5rem;
  text-align: center;
}

.modal-header h3 {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

.modal-header p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Form Styles inside Modals */
.form-group {
  margin-bottom: 1.25rem;
  text-align: left;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: var(--text-main);
}

.form-input {
  width: 100%;
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border-subtle);
  font-family: inherit;
  font-size: 1rem;
  color: var(--text-main);
  background: #FFFFFF;
  transition: border-color var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-light);
}

/* Lightbox Modal (Full image view) */
.lightbox-container {
  max-width: 900px;
  padding: 1.75rem;
  background: #FFFFFF;
}

.lightbox-img-wrap {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-bottom: 1.25rem;
  max-height: 65vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #F8FAFC;
}

.lightbox-img-wrap img {
  max-height: 60vh;
  object-fit: contain;
}

/* --- Responsive Media Queries & Mobile Optimizations --- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    text-align: center;
  }
  
  .hero-badges-wrapper,
  .hero-cta-group,
  .hero-trust-line,
  .hero-features-chips {
    justify-content: center;
  }

  .hero-subheadline {
    margin-left: auto;
    margin-right: auto;
  }

  .benefits-grid,
  .steps-grid,
  .specs-grid,
  .age-guide-grid,
  .testimonials-grid,
  .printing-tips-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }

  .preview-showcase-banner,
  .rewards-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-top-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  html, body {
    overflow-x: hidden;
    width: 100%;
  }

  .section {
    padding: 3.5rem 0;
  }

  .section-header {
    margin-bottom: 2.25rem;
  }

  .section-title {
    font-size: 1.85rem;
  }

  .section-subtitle {
    font-size: 0.98rem;
  }

  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  /* Top Bar */
  .top-bar {
    padding: 0.4rem 0.75rem;
    font-size: 0.78rem;
  }

  .top-bar-inner {
    flex-direction: column;
    gap: 0.25rem;
  }

  /* Navbar */
  .navbar-inner {
    height: 62px;
  }

  .nav-brand {
    font-size: 1.15rem;
  }

  .brand-icon-box {
    width: 36px;
    height: 36px;
  }

  .nav-links, .nav-actions .btn-sm:not(.btn-primary) {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  /* Hero Section */
  .hero {
    padding: 2.5rem 0 3.5rem;
  }

  .hero-headline {
    font-size: clamp(1.85rem, 6.5vw, 2.5rem);
    line-height: 1.2;
    margin-bottom: 1rem;
  }

  .hero-subheadline {
    font-size: 1rem;
    margin-bottom: 1.5rem;
  }

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
  }

  .hero-cta-group .btn {
    width: 100%;
  }

  .hero-trust-line {
    font-size: 0.85rem;
    text-align: center;
  }

  .hero-features-chips {
    gap: 0.5rem;
  }

  .chip {
    font-size: 0.75rem;
    padding: 0.3rem 0.65rem;
  }

  /* Floating Badges on Mobile */
  .hero-visual-wrapper {
    width: 100%;
    max-width: 380px;
    margin: 0 auto;
  }

  .hero-floating-badge {
    position: static;
    animation: none;
    box-shadow: var(--shadow-sm);
    padding: 0.5rem 0.85rem;
    margin: 0.35rem 0;
    width: 100%;
    justify-content: flex-start;
  }

  .badge-pos-top-left, 
  .badge-pos-bottom-right, 
  .badge-pos-mid-left {
    position: static;
    top: auto;
    left: auto;
    right: auto;
    bottom: auto;
  }

  .hero-book-stage {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  /* Metrics Strip */
  .metrics-strip {
    padding: 1.25rem 0;
  }

  .metrics-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }

  .metric-number {
    font-size: 1.8rem;
  }

  .metric-label {
    font-size: 0.8rem;
  }

  /* Preview Showcase Banner */
  .preview-showcase-banner {
    padding: 1.5rem 1.25rem;
    border-radius: var(--radius-lg);
    margin-bottom: 2rem;
  }

  .preview-banner-content h3 {
    font-size: 1.45rem;
  }

  .preview-banner-content p {
    font-size: 0.92rem;
    margin-bottom: 1.25rem;
  }

  /* Swipeable Filter Tabs on Mobile */
  .filter-tabs-wrapper {
    display: flex;
    overflow-x: auto;
    flex-wrap: nowrap;
    justify-content: flex-start;
    padding-bottom: 0.6rem;
    margin-bottom: 1.75rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .filter-tabs-wrapper::-webkit-scrollbar {
    display: none;
  }

  .filter-tab {
    flex-shrink: 0;
    font-size: 0.82rem;
    padding: 0.45rem 0.95rem;
  }

  /* All Grids to 1 Column */
  .preview-grid,
  .activities-grid,
  .skills-grid,
  .benefits-grid,
  .steps-grid,
  .specs-grid,
  .age-guide-grid,
  .audience-grid,
  .testimonials-grid,
  .printing-tips-grid,
  .pricing-features-list,
  .reward-cards-col {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .reward-card-mini.featured {
    grid-column: span 1;
  }

  .rewards-banner {
    padding: 2rem 1.25rem;
    border-radius: var(--radius-lg);
  }

  .rewards-banner h2 {
    font-size: 1.65rem !important;
  }

  /* Specs & Notice Box */
  .specs-wrapper {
    padding: 1.25rem;
  }

  .spec-item {
    padding: 0.75rem;
  }

  .notice-box {
    flex-direction: column;
    text-align: center;
    align-items: center;
    padding: 1.5rem 1.25rem;
    gap: 1rem;
  }

  .notice-icon-wrap {
    width: 48px;
    height: 48px;
    font-size: 1.5rem;
  }

  .notice-content h3 {
    font-size: 1.2rem;
  }

  .notice-content p {
    font-size: 0.88rem;
  }

  /* Pricing Master Card */
  .pricing-card-master {
    padding: 2.25rem 1.25rem;
    border-radius: var(--radius-lg);
  }

  .pricing-header h2 {
    font-size: 1.85rem;
  }

  .pricing-header p {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
  }

  .price-amount {
    font-size: 3.5rem;
  }

  .price-currency {
    font-size: 1.6rem;
  }

  .price-original {
    font-size: 1.3rem;
  }

  /* Footer */
  .footer {
    padding: 3rem 0 5rem;
  }

  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 0.75rem;
  }

  /* Floating Bottom Bar */
  .floating-bottom-bar {
    padding: 0.6rem 1rem;
  }

  .floating-bar-text {
    font-size: 0.8rem;
  }

  .floating-bar-price {
    font-size: 0.95rem;
  }

  .floating-bottom-bar .btn {
    padding: 0.5rem 0.9rem;
    font-size: 0.82rem;
  }

  /* Modals */
  .modal-overlay {
    padding: 0.75rem;
  }

  .modal-container {
    width: 100%;
    max-width: 100%;
    padding: 1.75rem 1.25rem;
    border-radius: var(--radius-lg);
  }

  .modal-header h3 {
    font-size: 1.45rem;
  }

  .lightbox-container {
    padding: 1.25rem;
  }

  .lightbox-img-wrap {
    max-height: 45vh;
  }

  .lightbox-img-wrap img {
    max-height: 40vh;
  }
}

@media (max-width: 380px) {
  .section-title {
    font-size: 1.65rem;
  }

  .price-amount {
    font-size: 2.9rem;
  }

  .brand-badge {
    display: none;
  }

  .btn-lg {
    padding: 0.85rem 1.25rem;
    font-size: 1rem;
  }
}

/* --- Mobile Drawer Menu --- */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: min(300px, 85vw);
  height: 100vh;
  background: #FFFFFF;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15);
  z-index: 1001;
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  transition: right var(--transition-smooth);
}

.mobile-drawer.open {
  right: 0;
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.75rem;
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
  overflow-y: auto;
}

.mobile-nav-links a {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  display: block;
  padding: 0.4rem 0;
}

/* --- Direct Browser Print Mode (@media print) --- */
@media print {
  body {
    background: #FFFFFF;
    color: #000000;
  }
  .navbar, .top-bar, .hero, .final-cta-section, .footer, .floating-bottom-bar, .modal-overlay {
    display: none !important;
  }
  .section {
    padding: 1rem 0;
  }
}