/*
Theme Name: KidzeLearning
Theme URI: https://www.kidzelearning.com
Author: KidzeLearning Team
Author URI: https://www.kidzelearning.com
Description: A vibrant, kid-friendly educational WordPress theme with colorful design, SEO optimization, and AdSense integration. Built for children learning Flowers, Fruits, Birds, Shapes, Animals, Colors and more in multiple languages.
Version: 2.0.0
Requires at least: 6.0
Requires PHP: 7.4
License: GNU General Public License v2
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: kidzelearning
Tags: education, kids, colorful, responsive, seo-ready, adsense-ready
*/

/* ============================================
   DESIGN SYSTEM: "Rainbow Playground"
   ============================================ */

:root {
  /* Primary Palette */
  --color-primary: #4ECDC4;
  --color-primary-dark: #3BA89F;
  --color-accent: #FF6F61;
  --color-accent-dark: #E55A4E;
  --color-warm: #FFD166;
  --color-success: #06D6A0;
  --color-purple: #9B5DE5;
  --color-pink: #F7AEF8;
  --color-blue: #48BFE3;
  --color-orange: #FFA94D;

  /* Category Colors */
  --cat-flowers: #FF6B6B;
  --cat-fruits: #FFA94D;
  --cat-birds: #48BFE3;
  --cat-shapes: #9B5DE5;
  --cat-animals: #06D6A0;
  --cat-colors: #F7AEF8;

  /* Neutrals */
  --color-bg: #FFFDF7;
  --color-bg-alt: #FFF5E6;
  --color-card: #FFFFFF;
  --color-text: #2D3436;
  --color-text-light: #636E72;
  --color-border: #F0E6D3;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --shadow-hover: 0 12px 40px rgba(0,0,0,0.15);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 50%;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 40px;
  --space-2xl: 64px;

  /* Layout */
  --content-width: 1100px;
  --wide-width: 1400px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ============================================
   RESET & BASE
   ============================================ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: 'Nunito', 'Segoe UI', sans-serif;
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover, a:focus {
  color: var(--color-accent);
}

ul, ol { list-style: none; }

h1, h2, h3, h4, h5, h6 {
  font-family: 'Bubblegum Sans', 'Comic Sans MS', cursive;
  line-height: 1.3;
  color: var(--color-text);
}

h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.2rem; }

p { margin-bottom: 1em; }

.screen-reader-text {
  clip: rect(1px,1px,1px,1px);
  position: absolute!important;
  height: 1px;
  width: 1px;
  overflow: hidden;
}

/* ============================================
   LAYOUT
   ============================================ */

.site-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container--wide {
  max-width: var(--wide-width);
}

.site-main {
  flex: 1;
  padding: var(--space-xl) 0;
}

/* ============================================
   HEADER
   ============================================ */

.site-header {
  background: #FFFFFF;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 4px solid transparent;
  border-image: linear-gradient(90deg,
    var(--cat-flowers),
    var(--cat-fruits),
    var(--color-warm),
    var(--color-success),
    var(--cat-birds),
    var(--color-purple),
    var(--cat-colors)
  ) 1;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  max-width: var(--wide-width);
  margin: 0 auto;
}

.site-branding {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.site-logo img {
  height: 48px;
  width: auto;
}

.site-title {
  font-family: 'Bubblegum Sans', cursive;
  font-size: 1.8rem;
  margin: 0;
}

.site-title a {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.site-title a:hover {
  background: linear-gradient(135deg, var(--color-accent), var(--color-purple));
  -webkit-background-clip: text;
  background-clip: text;
}

/* Navigation */
.main-navigation ul {
  display: flex;
  gap: var(--space-xs);
  align-items: center;
}

.main-navigation a {
  display: block;
  padding: 8px 16px;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: all var(--transition-smooth);
}

.main-navigation a:hover,
.main-navigation .current-menu-item > a {
  background: var(--color-primary);
  color: #fff;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: var(--color-primary);
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-family: 'Bubblegum Sans', cursive;
  font-size: 1rem;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.menu-toggle:hover { background: var(--color-primary-dark); }

@media (max-width: 900px) {
  .menu-toggle { display: flex; align-items: center; gap: 6px; }
  .main-navigation { display: none; }
  .main-navigation.toggled {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    box-shadow: var(--shadow-lg);
    padding: var(--space-md);
    z-index: 999;
    animation: slideDown 0.3s ease;
  }
  .main-navigation.toggled ul {
    flex-direction: column;
    gap: 0;
  }
  .main-navigation.toggled a {
    padding: 14px 20px;
    border-radius: 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 1.1rem;
  }
}

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

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-blue) 50%, var(--color-purple) 100%);
  padding: var(--space-2xl) var(--space-lg);
  text-align: center;
  color: #fff;
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-xl);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 30px 30px;
  animation: sparkle 20s linear infinite;
}

@keyframes sparkle {
  0% { transform: translate(0,0); }
  100% { transform: translate(30px, 30px); }
}

.hero h1 {
  color: #fff;
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin-bottom: var(--space-md);
  position: relative;
  z-index: 1;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.hero p {
  font-size: clamp(1rem, 2vw, 1.3rem);
  opacity: 0.95;
  max-width: 700px;
  margin: 0 auto var(--space-lg);
  position: relative;
  z-index: 1;
}

.hero-icon {
  font-size: 4rem;
  display: block;
  margin-bottom: var(--space-md);
  position: relative;
  z-index: 1;
  animation: bounce 2s ease infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.hero--subject {
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
}

.hero--category { border-radius: var(--radius-lg); }

.hero .hero-subtitle {
  font-size: 1rem;
  opacity: 0.9;
  position: relative;
  z-index: 1;
}

/* Category-specific hero backgrounds */
.hero--flowers { background: linear-gradient(135deg, #FF6B6B, #ee5a24); }
.hero--fruits { background: linear-gradient(135deg, #FFA94D, #FF6348); }
.hero--birds { background: linear-gradient(135deg, #48BFE3, #0ABDE3); }
.hero--shapes { background: linear-gradient(135deg, #9B5DE5, #6C5CE7); }
.hero--animals { background: linear-gradient(135deg, #06D6A0, #1DD1A1); }
.hero--colors { background: linear-gradient(135deg, #F7AEF8, #E056A0); }
.hero--maths { background: linear-gradient(135deg, #FF6B6B, #ee5a24); }
.hero--english { background: linear-gradient(135deg, #4ECDC4, #00B894); }
.hero--gk { background: linear-gradient(135deg, #48BFE3, #0984E3); }
.hero--computers { background: linear-gradient(135deg, #06D6A0, #00B894); }
.hero--science { background: linear-gradient(135deg, #FFD166, #FDCB6E); }

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-lg);
  font-family: 'Bubblegum Sans', cursive;
  font-size: 1.15rem;
  font-weight: 400;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all var(--transition-bounce);
  position: relative;
  z-index: 1;
}

.btn--primary {
  background: #fff;
  color: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
}

.btn--primary:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: var(--shadow-lg);
  color: var(--color-accent);
}

.btn--accent {
  background: var(--color-accent);
  color: #fff;
}

.btn--accent:hover {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
}

.btn--small {
  padding: 8px 20px;
  font-size: 0.95rem;
}

/* ============================================
   SECTION TITLES
   ============================================ */

.section-title {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-title h2 {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.section-title p {
  color: var(--color-text-light);
  font-size: 1.05rem;
}

.section-emoji {
  font-size: 1.4em;
}

/* ============================================
   CATEGORY CARDS (Homepage)
   ============================================ */

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.category-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border-top: 5px solid var(--color-border);
  transition: all var(--transition-bounce);
  position: relative;
  overflow: hidden;
}

.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.category-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--cat-flowers), var(--cat-fruits), var(--color-warm), var(--color-success));
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.category-card:hover::after { opacity: 1; }

/* Category-specific borders */
.category-card--flowers { border-top-color: var(--cat-flowers); }
.category-card--fruits { border-top-color: var(--cat-fruits); }
.category-card--birds { border-top-color: var(--cat-birds); }
.category-card--shapes { border-top-color: var(--cat-shapes); }
.category-card--animals { border-top-color: var(--cat-animals); }
.category-card--colors { border-top-color: var(--cat-colors); }

.category-card .card-icon {
  font-size: 3.5rem;
  margin-bottom: var(--space-md);
  display: block;
}

.category-card h3 {
  margin-bottom: var(--space-sm);
  font-size: 1.4rem;
}

.category-card p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin-bottom: var(--space-md);
}

.category-card .card-count {
  display: inline-block;
  background: var(--color-bg-alt);
  padding: 4px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

/* ============================================
   CONTENT ITEM CARDS (Category pages)
   ============================================ */

.items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.item-card {
  background: var(--color-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
  border: 2px solid var(--color-border);
}

.item-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.item-card__image {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
}

.item-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.item-card__image .emoji-icon {
  font-size: 5rem;
}

.item-card__body {
  padding: var(--space-md);
}

.item-card__name {
  font-family: 'Bubblegum Sans', cursive;
  font-size: 1.3rem;
  margin-bottom: 6px;
  color: var(--color-text);
}

.item-card__translations {
  margin-bottom: 8px;
}

.item-card__lang {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-size: 0.92rem;
  line-height: 1.8;
}

.item-card__lang-label {
  font-weight: 800;
  color: var(--color-text-light);
  font-size: 0.75rem;
  text-transform: uppercase;
  min-width: 22px;
}

.item-card__lang-name {
  color: var(--color-text);
}

.item-card__fact {
  font-size: 0.88rem;
  color: var(--color-text-light);
  padding-top: 8px;
  border-top: 1px dashed var(--color-border);
  font-style: italic;
}

.item-card__fact::before {
  content: '💡 ';
}

/* ============================================
   LANGUAGE TABLE (Alternative layout)
   ============================================ */

.lang-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: var(--space-lg) 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.lang-table thead {
  background: var(--color-primary);
  color: #fff;
}

.lang-table th {
  padding: 14px 18px;
  font-family: 'Bubblegum Sans', cursive;
  font-size: 1rem;
  text-align: left;
  font-weight: 400;
}

.lang-table td {
  padding: 12px 18px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.lang-table tbody tr {
  background: var(--color-card);
  transition: background var(--transition-fast);
}

.lang-table tbody tr:nth-child(even) {
  background: var(--color-bg-alt);
}

.lang-table tbody tr:hover {
  background: #E8F8F5;
}

.lang-table .table-emoji {
  font-size: 1.6rem;
  text-align: center;
}

/* ============================================
   GRADE CARDS
   ============================================ */

.grade-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.grade-card {
  background: var(--color-card);
  border-radius: var(--radius-md);
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 2px solid var(--color-border);
  transition: all var(--transition-bounce);
  text-decoration: none;
  display: block;
}

.grade-card:hover {
  transform: translateY(-6px) scale(1.03);
  box-shadow: var(--shadow-md);
}

.grade-card .grade-emoji {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 8px;
}

.grade-card .grade-name {
  font-family: 'Bubblegum Sans', cursive;
  font-size: 1.1rem;
  color: var(--color-text);
  display: block;
}

.grade-card .grade-age {
  font-size: 0.8rem;
  color: var(--color-text-light);
}

/* Grade-specific border colors */
.grade-card--pp1 { border-color: var(--color-pink); }
.grade-card--pp2 { border-color: var(--color-purple); }
.grade-card--g1 { border-color: var(--cat-fruits); }
.grade-card--g2 { border-color: var(--color-accent); }
.grade-card--g3 { border-color: var(--color-warm); }
.grade-card--g4 { border-color: var(--color-success); }
.grade-card--g5 { border-color: var(--cat-birds); }
.grade-card--g6 { border-color: var(--color-purple); }

/* ============================================
   SUBJECT CARDS
   ============================================ */

.subjects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.subject-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
  text-decoration: none;
  border-left: 4px solid var(--color-primary);
}

.subject-card:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}

.subject-card .subject-emoji { font-size: 2rem; }
.subject-card .subject-name {
  font-family: 'Bubblegum Sans', cursive;
  color: var(--color-text);
  font-size: 1.1rem;
}

/* ============================================
   BREADCRUMBS
   ============================================ */

.breadcrumb {
  padding: var(--space-md) 0;
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.breadcrumb a {
  color: var(--color-primary-dark);
  font-weight: 600;
}

.breadcrumb a:hover { color: var(--color-accent); }

.breadcrumb .separator {
  margin: 0 8px;
  opacity: 0.5;
}

/* ============================================
   TRUST BADGES
   ============================================ */

.trust-section {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin: var(--space-xl) 0;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-lg);
}

.trust-badge {
  text-align: center;
  padding: var(--space-md);
}

.trust-badge .badge-icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 8px;
}

.trust-badge h3 {
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.trust-badge p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin: 0;
}

/* ============================================
   RELATED / CROSS-LINKS
   ============================================ */

.related-section {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin: var(--space-lg) 0;
}

.related-section h3 {
  margin-bottom: var(--space-md);
  font-size: 1.2rem;
}

.related-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.related-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  background: var(--color-card);
  border-radius: var(--radius-lg);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
}

.related-link:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}

/* ============================================
   FAQ SECTION
   ============================================ */

.faq-section {
  margin: var(--space-xl) 0;
}

.faq-item {
  background: var(--color-card);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--color-primary);
}

.faq-item h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--color-primary-dark);
}

.faq-item p {
  color: var(--color-text-light);
  margin: 0;
  font-size: 0.95rem;
}

/* ============================================
   CONTENT AREA (page.php / single.php)
   ============================================ */

.entry-content {
  max-width: 800px;
  margin: 0 auto;
}

.entry-content h2 {
  margin: var(--space-xl) 0 var(--space-md);
  padding-bottom: 8px;
  border-bottom: 3px dashed var(--color-border);
}

.entry-content h3 {
  margin: var(--space-lg) 0 var(--space-sm);
}

.entry-content ul, .entry-content ol {
  margin: var(--space-md) 0;
  padding-left: var(--space-lg);
}

.entry-content ul { list-style: disc; }
.entry-content ol { list-style: decimal; }
.entry-content li { margin-bottom: 6px; }

.entry-content blockquote {
  background: var(--color-bg-alt);
  border-left: 4px solid var(--color-primary);
  padding: var(--space-md) var(--space-lg);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: var(--space-lg) 0;
  font-style: italic;
}

.entry-content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-lg) 0;
}

.entry-content th, .entry-content td {
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  text-align: left;
}

.entry-content th {
  background: var(--color-primary);
  color: #fff;
  font-family: 'Bubblegum Sans', cursive;
}

/* ============================================
   SIDEBAR
   ============================================ */

.sidebar {
  padding: var(--space-lg);
}

.widget {
  background: var(--color-card);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow-sm);
}

.widget-title {
  font-size: 1.1rem;
  margin-bottom: var(--space-md);
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-primary);
}

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
  background: linear-gradient(135deg, #2D3436 0%, #1a1a2e 100%);
  color: #CCC;
  padding: var(--space-2xl) var(--space-lg) var(--space-lg);
  margin-top: var(--space-2xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
  max-width: var(--content-width);
  margin: 0 auto var(--space-xl);
}

.footer-column h3 {
  color: var(--color-warm);
  font-size: 1.2rem;
  margin-bottom: var(--space-md);
}

.footer-column a {
  color: #CCC;
  display: block;
  padding: 4px 0;
  transition: color var(--transition-fast);
}

.footer-column a:hover {
  color: var(--color-primary);
  padding-left: 6px;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255,255,255,0.1);
  max-width: var(--content-width);
  margin: 0 auto;
}

.footer-bottom p {
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.coppa-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.08);
  padding: 6px 16px;
  border-radius: var(--radius-lg);
  font-size: 0.8rem;
  color: #aaa;
}

/* ============================================
   AD SPOTS
   ============================================ */

.ad-spot {
  text-align: center;
  margin: var(--space-lg) auto;
  max-width: 728px;
}

.ad-spot--header { margin: var(--space-sm) auto; }
.ad-spot--content { margin: var(--space-xl) auto; }
.ad-spot--sidebar { margin: 0 0 var(--space-lg); }
.ad-spot--footer { margin: 0 auto var(--space-lg); max-width: var(--content-width); }

/* ============================================
   404 PAGE
   ============================================ */

.error-404 {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
}

.error-404 .error-emoji { font-size: 6rem; margin-bottom: var(--space-lg); }
.error-404 h1 { margin-bottom: var(--space-md); }
.error-404 p { color: var(--color-text-light); margin-bottom: var(--space-lg); }

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
  :root {
    --space-xl: 28px;
    --space-2xl: 40px;
  }

  .hero { padding: var(--space-xl) var(--space-md); border-radius: var(--radius-md); }
  .hero h1 { font-size: 1.8rem; }
  .hero-icon { font-size: 3rem; }

  .categories-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }
  .category-card { padding: var(--space-lg) var(--space-md); }
  .category-card .card-icon { font-size: 2.5rem; }
  .category-card h3 { font-size: 1.1rem; }

  .items-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }
  .grade-grid { grid-template-columns: repeat(3, 1fr); }
  .subjects-grid { grid-template-columns: 1fr 1fr; }

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

  .lang-table { font-size: 0.85rem; }
  .lang-table th, .lang-table td { padding: 8px 10px; }

  .footer-grid { grid-template-columns: 1fr; gap: var(--space-lg); }
}

@media (max-width: 480px) {
  .categories-grid { grid-template-columns: 1fr; }
  .items-grid { grid-template-columns: 1fr; }
  .grade-grid { grid-template-columns: repeat(2, 1fr); }
  .subjects-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; }

  .header-inner { padding: var(--space-sm) var(--space-md); }
  .site-title { font-size: 1.4rem; }
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
  .site-header, .site-footer, .ad-spot, .menu-toggle,
  .related-section, .breadcrumb { display: none !important; }
  body { font-size: 12pt; color: #000; background: #fff; }
  .hero { background: #eee !important; color: #000 !important; }
}