/* =====================================================
   Letter A Words — Main Stylesheet
   letterawords.github.io
   Educational · Bright · Animated
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&family=Baloo+2:wght@400;500;600;700;800&display=swap');

/* ── CSS Variables ─────────────────────────────────── */
:root {
  --primary: #FF6B35;
  --primary-light: #FF8C5A;
  --primary-dark: #E85520;
  --secondary: #4ECDC4;
  --secondary-dark: #38B2AA;
  --accent: #FFE66D;
  --accent2: #A8EDEA;
  --purple: #C77DFF;
  --green: #52D17C;
  --blue: #4A90D9;
  --pink: #FF6B9D;

  --bg: #FFFEF7;
  --bg2: #F0FBF9;
  --bg3: #FFF5F0;
  --surface: #FFFFFF;
  --surface2: #F8FFFE;

  --text: #2D3748;
  --text2: #4A5568;
  --text3: #718096;
  --text-light: #A0AEC0;

  --border: #E8F4F2;
  --border2: #FFE8DC;

  --shadow-sm: 0 2px 8px rgba(78, 205, 196, 0.12);
  --shadow: 0 4px 20px rgba(78, 205, 196, 0.18);
  --shadow-lg: 0 8px 40px rgba(78, 205, 196, 0.22);
  --shadow-orange: 0 4px 20px rgba(255, 107, 53, 0.2);

  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --font-display: 'Baloo 2', cursive;
  --font-body: 'Nunito', sans-serif;

  --transition: 0.25s ease;
  --transition-slow: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--secondary); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--secondary-dark); }

h1, h2, h3, h4, h5 { font-family: var(--font-display); line-height: 1.25; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; }
ul { list-style: none; }
button, input, select, textarea { font-family: var(--font-body); }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Header ────────────────────────────────────────── */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255, 254, 247, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
}
#site-header.scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 2px 20px rgba(78, 205, 196, 0.12);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 70px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text);
}
.logo-letter {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  font-weight: 900;
  box-shadow: var(--shadow-orange);
  animation: logoFloat 3s ease-in-out infinite;
}
@keyframes logoFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}
.logo-text { color: var(--text); }
.logo:hover .logo-letter { transform: rotate(-5deg) scale(1.1); transition: transform 0.3s; }

.main-nav { margin-left: auto; }
.main-nav ul { display: flex; gap: 4px; }
.main-nav a {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--text2);
  transition: all var(--transition);
  position: relative;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 14px; right: 14px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform var(--transition);
}
.main-nav a:hover { color: var(--primary); background: var(--bg3); }
.main-nav a:hover::after { transform: scaleX(1); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 3px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }

/* ── Hero Section ──────────────────────────────────── */
#hero {
  padding: 140px 0 80px;
  background: linear-gradient(135deg, #FFFEF7 0%, #F0FBF9 50%, #FFF5F0 100%);
  position: relative;
  overflow: hidden;
  text-align: center;
}
#hero::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(255,107,53,0.08) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse 6s ease-in-out infinite;
}
#hero::after {
  content: '';
  position: absolute;
  bottom: -60px; left: -60px;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(78,205,196,0.1) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse 5s ease-in-out infinite reverse;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.1); opacity: 1; }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,107,53,0.1);
  color: var(--primary);
  padding: 6px 16px;
  border-radius: 99px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 24px;
  border: 1.5px solid rgba(255,107,53,0.2);
  animation: fadeSlideDown 0.6s ease both;
}
.hero-badge .badge-dot {
  width: 8px; height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: blink 2s ease-in-out infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }

.hero-title {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 20px;
  animation: fadeSlideDown 0.7s 0.1s ease both;
}
.hero-title .letter-a-big {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: colorShift 4s ease-in-out infinite;
}
@keyframes colorShift {
  0%, 100% { filter: hue-rotate(0deg); }
  50% { filter: hue-rotate(20deg); }
}
.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--text2);
  max-width: 600px;
  margin: 0 auto 36px;
  animation: fadeSlideDown 0.8s 0.2s ease both;
}

/* Hero Quick Search */
.hero-search {
  display: flex;
  align-items: center;
  max-width: 560px;
  margin: 0 auto 40px;
  background: var(--surface);
  border-radius: 99px;
  padding: 6px;
  box-shadow: var(--shadow-lg), 0 0 0 3px rgba(78,205,196,0.1);
  animation: fadeSlideDown 0.9s 0.3s ease both;
  border: 2px solid var(--border);
  transition: box-shadow 0.3s;
}
.hero-search:focus-within {
  box-shadow: var(--shadow-lg), 0 0 0 4px rgba(78,205,196,0.25);
  border-color: var(--secondary);
}
.hero-search input {
  flex: 1;
  border: none;
  outline: none;
  background: none;
  padding: 10px 16px;
  font-size: 1.05rem;
  color: var(--text);
  font-weight: 600;
}
.hero-search input::placeholder { color: var(--text-light); font-weight: 400; }
.hero-search button {
  padding: 10px 26px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  border: none;
  border-radius: 99px;
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
  transition: all var(--transition-slow);
  box-shadow: var(--shadow-orange);
}
.hero-search button:hover { transform: scale(1.04); box-shadow: 0 6px 24px rgba(255,107,53,0.35); }

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  animation: fadeSlideDown 1s 0.4s ease both;
}
.stat-item { text-align: center; }
.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  color: var(--primary);
  display: block;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--text3);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Floating letters decoration */
.hero-floaters {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
  overflow: hidden;
}
.floater {
  position: absolute;
  font-family: var(--font-display);
  font-weight: 900;
  color: rgba(78,205,196,0.08);
  font-size: clamp(3rem, 8vw, 8rem);
  animation: floatUp linear infinite;
  user-select: none;
}
@keyframes floatUp {
  from { transform: translateY(110%) rotate(0deg); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  to { transform: translateY(-110%) rotate(15deg); opacity: 0; }
}

/* ── Section Shared Styles ─────────────────────────── */
section { padding: 80px 0; }
.section-header {
  text-align: center;
  margin-bottom: 52px;
}
.section-tag {
  display: inline-block;
  background: var(--bg3);
  color: var(--primary);
  padding: 5px 14px;
  border-radius: 99px;
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  border: 1.5px solid var(--border2);
}
.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 900;
  color: var(--text);
  margin-bottom: 14px;
}
.section-title .highlight {
  color: var(--primary);
  position: relative;
}
.section-title .highlight::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  bottom: -3px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
}
.section-desc {
  font-size: 1.05rem;
  color: var(--text2);
  max-width: 560px;
  margin: 0 auto;
}

/* ── Word Finder Section ───────────────────────────── */
#finder { background: var(--bg2); }

.finder-controls {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 28px;
  align-items: center;
}
.search-wrapper {
  flex: 1;
  min-width: 240px;
  position: relative;
}
.search-wrapper input {
  width: 100%;
  padding: 14px 50px 14px 20px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  background: var(--surface);
  color: var(--text);
  font-weight: 600;
  transition: border-color 0.25s;
  outline: none;
}
.search-wrapper input:focus { border-color: var(--secondary); box-shadow: 0 0 0 3px rgba(78,205,196,0.12); }
.search-wrapper .search-icon {
  position: absolute;
  right: 16px; top: 50%;
  transform: translateY(-50%);
  color: var(--text3);
  font-size: 1.2rem;
}
.filter-btn {
  padding: 12px 20px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text2);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
}
.filter-btn:hover, .filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.length-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.length-tab {
  padding: 8px 16px;
  border-radius: 99px;
  border: 2px solid var(--border);
  background: var(--surface);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition);
  color: var(--text2);
}
.length-tab:hover { border-color: var(--secondary); color: var(--secondary-dark); }
.length-tab.active {
  background: var(--secondary);
  border-color: var(--secondary);
  color: white;
}

.words-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}
.word-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 20px;
  border: 2px solid var(--border);
  transition: all var(--transition-slow);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.word-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px;
  height: 100%;
  background: var(--secondary);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--transition);
}
.word-card:hover { border-color: var(--secondary); transform: translateY(-3px); box-shadow: var(--shadow); }
.word-card:hover::before { transform: scaleY(1); }
.word-card .wc-word {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 4px;
}
.word-card .wc-pos {
  display: inline-block;
  background: var(--bg3);
  color: var(--primary-dark);
  padding: 2px 10px;
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}
.word-card .wc-def {
  font-size: 0.88rem;
  color: var(--text2);
  line-height: 1.5;
}

/* No results */
.no-results {
  text-align: center;
  padding: 60px 20px;
  color: var(--text3);
  grid-column: 1 / -1;
}
.no-results .nr-emoji { font-size: 3rem; margin-bottom: 12px; }
.no-results p { font-size: 1.1rem; font-weight: 600; }

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.page-btn {
  width: 40px; height: 40px;
  border-radius: 10px;
  border: 2px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  font-weight: 700;
  color: var(--text2);
  transition: all var(--transition);
  font-size: 0.9rem;
}
.page-btn:hover { border-color: var(--secondary); color: var(--secondary-dark); }
.page-btn.active { background: var(--primary); border-color: var(--primary); color: white; }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ── Browse by Length ──────────────────────────────── */
#browse { background: var(--bg); }

.browse-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 16px;
  margin-bottom: 40px;
}
.length-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  border: 2px solid var(--border);
  cursor: pointer;
  transition: all var(--transition-slow);
}
.length-card:hover, .length-card.selected {
  border-color: var(--primary);
  background: var(--bg3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-orange);
}
.length-card .lc-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
}
.length-card .lc-label { font-size: 0.8rem; color: var(--text3); font-weight: 700; }
.length-card .lc-count { font-size: 0.75rem; color: var(--secondary-dark); font-weight: 600; margin-top: 4px; }

.browse-results { display: none; }
.browse-results.active { display: block; animation: fadeIn 0.4s ease; }

/* ── Word of the Day ───────────────────────────────── */
#wotd { background: linear-gradient(135deg, var(--bg3), var(--bg2)); }

.wotd-card {
  max-width: 700px;
  margin: 0 auto;
  background: var(--surface);
  border-radius: var(--radius-xl);
  padding: 48px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  border: 2px solid var(--border2);
  position: relative;
  overflow: hidden;
}
.wotd-card::after {
  content: '"A"';
  position: absolute;
  right: -20px; top: -30px;
  font-family: var(--font-display);
  font-size: 12rem;
  font-weight: 900;
  color: rgba(255, 107, 53, 0.04);
  pointer-events: none;
}
.wotd-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, var(--accent), #FFD93D);
  color: #7B5E00;
  padding: 6px 18px;
  border-radius: 99px;
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}
.wotd-word {
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 900;
  color: var(--primary);
  margin-bottom: 8px;
  animation: wordPop 0.5s var(--transition-slow) both;
}
@keyframes wordPop {
  from { transform: scale(0.8); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
.wotd-pos {
  display: inline-block;
  background: var(--bg3);
  color: var(--primary);
  padding: 4px 14px;
  border-radius: 99px;
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 16px;
}
.wotd-definition {
  font-size: 1.15rem;
  color: var(--text2);
  margin-bottom: 24px;
  line-height: 1.7;
}
.wotd-example {
  background: var(--bg2);
  border-radius: var(--radius);
  padding: 16px 24px;
  font-style: italic;
  color: var(--text3);
  border-left: 4px solid var(--secondary);
  text-align: left;
  margin-bottom: 28px;
}
.wotd-btn {
  padding: 12px 32px;
  background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
  color: white;
  border: none;
  border-radius: 99px;
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
  transition: all var(--transition-slow);
}
.wotd-btn:hover { transform: scale(1.05); box-shadow: 0 6px 24px rgba(78,205,196,0.35); }

/* ── Kids Section ──────────────────────────────────── */
#kids { background: var(--bg); }

.kids-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
}
.kid-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 24px 16px;
  text-align: center;
  border: 2px solid var(--border);
  cursor: pointer;
  transition: all var(--transition-slow);
}
.kid-card:nth-child(3n+1) { border-top: 4px solid var(--primary); }
.kid-card:nth-child(3n+2) { border-top: 4px solid var(--secondary); }
.kid-card:nth-child(3n+3) { border-top: 4px solid var(--purple); }
.kid-card:hover { transform: translateY(-6px) rotate(-1deg); box-shadow: var(--shadow-lg); }
.kid-card .kid-emoji { font-size: 2.8rem; display: block; margin-bottom: 10px; }
.kid-card .kid-word {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 6px;
  text-transform: capitalize;
}
.kid-card .kid-def { font-size: 0.78rem; color: var(--text3); line-height: 1.4; }

/* ── Positive A Words ──────────────────────────────── */
#positive { background: var(--bg3); }

.positive-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}
.positive-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 18px 20px;
  border: 2px solid var(--border2);
  display: flex;
  align-items: flex-start;
  gap: 12px;
  transition: all var(--transition-slow);
}
.positive-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-orange); border-color: var(--primary-light); }
.positive-card .pc-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--primary);
  flex-shrink: 0;
  margin-top: 7px;
}
.positive-card .pc-word { font-weight: 800; font-size: 1.05rem; color: var(--text); margin-bottom: 2px; text-transform: capitalize; }
.positive-card .pc-def { font-size: 0.82rem; color: var(--text3); }

/* ── Action Words ──────────────────────────────────── */
#action { background: var(--bg2); }

.action-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}
.action-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 16px 18px;
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all var(--transition);
  cursor: default;
}
.action-card:hover { border-color: var(--secondary); background: var(--bg2); }
.action-card .ac-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--bg3);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.action-card .ac-word { font-weight: 800; font-size: 0.95rem; color: var(--text); text-transform: capitalize; }
.action-card .ac-def { font-size: 0.75rem; color: var(--text3); line-height: 1.3; margin-top: 2px; }

/* ── Scrabble Section ──────────────────────────────── */
#scrabble { background: var(--bg); }

.scrabble-intro {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  border: 2px solid var(--border);
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.scrabble-icon {
  width: 60px; height: 60px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
  flex-shrink: 0;
}
.scrabble-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}
.scrabble-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 16px 18px;
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all var(--transition);
}
.scrabble-card:hover { border-color: var(--accent); transform: scale(1.02); }
.sc-word { font-family: var(--font-display); font-size: 1.3rem; font-weight: 800; color: var(--text); text-transform: uppercase; }
.sc-points {
  background: linear-gradient(135deg, var(--accent), #FFD93D);
  color: #7B5E00;
  padding: 4px 12px;
  border-radius: 99px;
  font-size: 0.85rem;
  font-weight: 800;
}

/* ── Quiz Section ──────────────────────────────────── */
#quiz { background: linear-gradient(135deg, #F0FBF9, #FFF5F0); }

.quiz-container {
  max-width: 700px;
  margin: 0 auto;
}
.quiz-card {
  background: var(--surface);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  border: 2px solid var(--border);
  text-align: center;
}
.quiz-progress {
  height: 8px;
  background: var(--border);
  border-radius: 99px;
  margin-bottom: 32px;
  overflow: hidden;
}
.quiz-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 99px;
  transition: width 0.5s ease;
}
.quiz-question {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  font-family: var(--font-display);
}
.quiz-word {
  font-size: 3rem;
  font-weight: 900;
  color: var(--primary);
  font-family: var(--font-display);
  margin-bottom: 32px;
}
.quiz-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 28px;
}
.quiz-opt {
  padding: 14px 18px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  cursor: pointer;
  font-weight: 700;
  font-size: 0.9rem;
  text-align: left;
  transition: all var(--transition);
  color: var(--text2);
}
.quiz-opt:hover { border-color: var(--secondary); background: var(--bg2); color: var(--text); }
.quiz-opt.correct { background: rgba(82, 209, 124, 0.1); border-color: var(--green); color: #1a7a42; }
.quiz-opt.wrong { background: rgba(255, 107, 53, 0.08); border-color: var(--primary); color: var(--primary-dark); }
.quiz-score-display {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--text3);
}
.quiz-score-display span { color: var(--primary); font-weight: 900; }

/* ── Learn Section ─────────────────────────────────── */
#learn { background: var(--bg); }

.learn-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}
.learn-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 2px solid var(--border);
  transition: all var(--transition);
}
.learn-card:hover { border-color: var(--secondary); box-shadow: var(--shadow); transform: translateY(-2px); }
.learn-card .lc-icon { font-size: 2.2rem; margin-bottom: 16px; }
.learn-card h3 { font-size: 1.3rem; font-weight: 800; margin-bottom: 12px; color: var(--text); }
.learn-card p { font-size: 0.92rem; color: var(--text2); line-height: 1.7; }

/* ── About / Tips Section ──────────────────────────── */
#tips { background: var(--bg3); }

.tips-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.tips-text h3 { font-size: 1.5rem; font-weight: 800; margin-bottom: 14px; color: var(--text); }
.tips-text p { font-size: 0.95rem; color: var(--text2); margin-bottom: 16px; line-height: 1.7; }
.tips-list { display: flex; flex-direction: column; gap: 12px; }
.tip-item {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  border: 2px solid var(--border);
  transition: border-color 0.2s;
}
.tip-item:hover { border-color: var(--primary-light); }
.tip-num {
  width: 28px; height: 28px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 900;
  font-size: 0.85rem;
  flex-shrink: 0;
}
.tip-item p { font-size: 0.9rem; color: var(--text2); }

/* ── FAQ Section ───────────────────────────────────── */
#faq { background: var(--bg2); }

.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item {
  background: var(--surface);
  border-radius: var(--radius);
  margin-bottom: 12px;
  border: 2px solid var(--border);
  overflow: hidden;
  transition: border-color 0.2s;
}
.faq-item.open { border-color: var(--secondary); }
.faq-question {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 20px 24px;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.faq-question .fq-icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 2px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  transition: all 0.3s;
  color: var(--text3);
}
.faq-item.open .fq-icon { background: var(--secondary); border-color: var(--secondary); color: white; transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
}
.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 0.92rem;
  color: var(--text2);
  line-height: 1.7;
}

/* ── Footer ────────────────────────────────────────── */
#site-footer {
  background: linear-gradient(135deg, #1a2332, #243042);
  color: #B0BEC5;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 24px 40px;
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 60px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: white;
  margin-bottom: 16px;
}
.footer-brand p { font-size: 0.88rem; line-height: 1.7; max-width: 280px; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.footer-col h4 { color: white; font-weight: 800; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 14px; }
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col a { font-size: 0.87rem; color: #90A4AE; transition: color 0.2s; }
.footer-col a:hover { color: var(--secondary); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 24px;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.82rem;
}
.footer-tagline { color: #607D8B; }

/* ── Animations ────────────────────────────────────── */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeSlideDown { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeSlideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeSlideRight { from { opacity: 0; transform: translateX(-20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.92); } to { opacity: 1; transform: scale(1); } }

.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-on-scroll.in-view { opacity: 1; transform: translateY(0); }
.animate-delay-1 { transition-delay: 0.1s; }
.animate-delay-2 { transition-delay: 0.2s; }
.animate-delay-3 { transition-delay: 0.3s; }
.animate-delay-4 { transition-delay: 0.4s; }

/* ── Buttons & Utilities ───────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  border-radius: 99px;
  font-weight: 800;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition-slow);
  box-shadow: var(--shadow-orange);
}
.btn-primary:hover { transform: translateY(-2px) scale(1.03); box-shadow: 0 8px 28px rgba(255,107,53,0.4); }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  background: var(--surface);
  color: var(--text);
  border-radius: 99px;
  font-weight: 800;
  font-size: 0.95rem;
  border: 2px solid var(--border);
  cursor: pointer;
  transition: all var(--transition);
}
.btn-secondary:hover { border-color: var(--secondary); color: var(--secondary-dark); }

/* ── Responsive ────────────────────────────────────── */
@media (max-width: 900px) {
  .tips-content { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 700px) {
  section { padding: 60px 0; }
  .main-nav { display: none; position: absolute; top: 70px; left: 0; right: 0; background: var(--surface); flex-direction: column; padding: 16px; box-shadow: var(--shadow); }
  .main-nav.open { display: flex; }
  .main-nav ul { flex-direction: column; gap: 4px; }
  .nav-toggle { display: flex; }
  .header-inner { gap: 16px; }
  .quiz-options { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-stats { gap: 20px; }
  .wotd-card { padding: 28px; }
  .scrabble-intro { flex-direction: column; text-align: center; }
  .browse-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
}

@media (max-width: 480px) {
  .footer-links { grid-template-columns: 1fr; }
  .kids-grid { grid-template-columns: repeat(2, 1fr); }
  .positive-grid { grid-template-columns: 1fr; }
}