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.elementor-element.elementor-element-38cb4970{--display:flex;}.elementor-196 .elementor-element.elementor-element-de23581d{--display:flex;}.elementor-196 .elementor-element.elementor-element-ff697618{--display:flex;}.elementor-196 .elementor-element.elementor-element-51550344{--display:flex;}.elementor-196 .elementor-element.elementor-element-eb4aa454{--display:flex;}.elementor-196 .elementor-element.elementor-element-d3bb8a0b{--display:flex;}.elementor-196 .elementor-element.elementor-element-07e05406{--display:flex;}.elementor-196 .elementor-element.elementor-element-32dac453{--display:flex;}.elementor-196 .elementor-element.elementor-element-4f65402e{--display:flex;}.elementor-196 .elementor-element.elementor-element-1fe26132{--display:flex;}.elementor-196 .elementor-element.elementor-element-fec972b4{--display:flex;}.elementor-196 .elementor-element.elementor-element-945ef87f{--display:flex;}.elementor-196 .elementor-element.elementor-element-6224da79{--display:flex;}.elementor-196 .elementor-element.elementor-element-d54df553{--display:flex;}.elementor-196 .elementor-element.elementor-element-56363cbf{--display:flex;}.elementor-196 .elementor-element.elementor-element-cd3960cb{--display:flex;}:root{--page-title-display:none;}/* Start custom CSS *//* ════════════════════════════════════════════
   RESET & BASE
════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue-600: #2563EB;
  --blue-700: #1D4ED8;
  --blue-50:  #EFF6FF;
  --blue-100: #DBEAFE;
  --blue-200: #BFDBFE;
  --gray-50:  #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-700: #374151;
  --gray-900: #111827;
  --white:    #FFFFFF;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,.07), 0 1px 4px rgba(0,0,0,.04);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.10), 0 4px 12px rgba(0,0,0,.05);
  --transition: 0.22s cubic-bezier(.4,0,.2,1);
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--white);
  color: var(--gray-900);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ════════════════════════════════════════════
   NAVBAR (Typically global, but kept for standalone safety)
════════════════════════════════════════════ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  transition: box-shadow var(--transition);
}
.navbar.scrolled { box-shadow: var(--shadow-md); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 15px;
  color: var(--gray-900);
  flex-shrink: 0;
}
.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  background: var(--blue-50);
  border-radius: 7px;
}
.logo-text { white-space: nowrap; }
.logo-dot { color: var(--gray-400); margin: 0 2px; }

.nav-links {
  display: flex;
  list-style: none;
  gap: 4px;
  align-items: center;
}
.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}
.nav-link:hover { background: var(--gray-100); color: var(--gray-900); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.btn-login {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--gray-200);
  transition: all var(--transition);
}
.btn-login:hover { border-color: var(--gray-400); color: var(--gray-900); }

.btn-primary {
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  background: var(--blue-600);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-primary:hover {
  background: var(--blue-700);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(37,99,235,.35);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  width: 22px; height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: all var(--transition);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--white);
  border-top: 1px solid var(--gray-200);
  padding: 12px 24px 16px;
  gap: 4px;
}
.mobile-menu.open { display: flex; }
.mobile-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--gray-700);
  padding: 10px 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.mobile-link:hover { background: var(--gray-100); }
.mobile-login { margin-top: 8px; border-top: 1px solid var(--gray-200); padding-top: 16px; }

/* ════════════════════════════════════════════
   HERO
════════════════════════════════════════════ */
.hero {
  background: var(--white);
  padding: 72px 0 60px;
  text-align: center;
  border-bottom: 1px solid var(--gray-200);
}

.badge-row { margin-bottom: 20px; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 500;
  color: var(--blue-700);
  background: var(--blue-50);
  border: 1px solid var(--blue-200);
  padding: 5px 14px;
  border-radius: 100px;
  animation: fadeDown .5s ease both;
}
.badge-dot {
  width: 7px; height: 7px;
  background: var(--blue-600);
  border-radius: 50%;
  animation: pulse 2s ease infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(.8); }
}

.hero-title {
  font-size: clamp(30px, 5vw, 52px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--gray-900);
  max-width: 780px;
  margin: 0 auto 18px;
  animation: fadeUp .55s .1s ease both;
}
.hero-title em { font-style: italic; color: var(--blue-600); }

.hero-subtitle {
  font-size: 17px;
  color: var(--gray-500);
  max-width: 580px;
  margin: 0 auto 36px;
  line-height: 1.65;
  animation: fadeUp .55s .18s ease both;
}

.search-row {
  display: flex;
  align-items: center;
  gap: 0;
  max-width: 560px;
  margin: 0 auto 48px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  background: var(--white);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
  animation: fadeUp .55s .26s ease both;
}
.search-row:focus-within {
  border-color: var(--blue-600);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}

.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  padding: 0 16px;
}
.search-icon { flex-shrink: 0; }
.search-box input {
  flex: 1;
  border: none;
  outline: none;
  font-family: 'Inter', sans-serif;
  font-size: 14.5px;
  color: var(--gray-900);
  padding: 13px 0;
  background: transparent;
}
.search-box input::placeholder { color: var(--gray-400); }

.btn-search {
  background: var(--gray-900);
  color: var(--white);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 600;
  padding: 0 22px;
  height: 100%;
  min-height: 48px;
  border: none;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition);
}
.btn-search:hover { background: #000; }

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  max-width: 700px;
  margin: 0 auto;
  background: var(--gray-200);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  animation: fadeUp .55s .34s ease both;
}
.stat-card {
  background: var(--white);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 16px;
  gap: 4px;
  transition: background var(--transition);
}
.stat-card:hover { background: var(--gray-50); }
.stat-number {
  font-size: 26px;
  font-weight: 800;
  color: var(--gray-900);
  letter-spacing: -0.03em;
}
.stat-label {
  font-size: 12.5px;
  color: var(--gray-500);
  font-weight: 500;
  text-align: center;
}

/* ════════════════════════════════════════════
   FEATURES
════════════════════════════════════════════ */
.features-section {
  padding: 72px 0 60px;
  background: var(--white);
}

.section-title {
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--gray-900);
  line-height: 1.2;
  text-align: center;
  margin-bottom: 10px;
}
.section-title em { font-style: italic; color: var(--blue-600); }

.section-sub {
  font-size: 16px;
  color: var(--gray-500);
  text-align: center;
  max-width: 540px;
  margin: 0 auto 44px;
  line-height: 1.65;
}

.how-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-600);
  text-align: center;
  margin-bottom: 10px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 36px 0 28px;
}
.feature-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 22px 20px;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.feature-card:hover {
  border-color: var(--blue-200);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.feat-icon {
  width: 38px; height: 38px;
  background: var(--blue-50);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}
.feat-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 6px;
}
.feat-desc {
  font-size: 13.5px;
  color: var(--gray-500);
  line-height: 1.55;
}

.announcement-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: var(--blue-50);
  border: 1px solid var(--blue-200);
  border-radius: var(--radius-md);
  padding: 18px 24px;
  flex-wrap: wrap;
}
.announcement-text { display: flex; flex-direction: column; gap: 3px; }
.announcement-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--blue-700);
}
.announcement-sub { font-size: 13.5px; color: var(--gray-500); }
.btn-announce {
  background: var(--white);
  color: var(--gray-900);
  font-size: 14px;
  font-weight: 600;
  padding: 9px 20px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--gray-200);
  white-space: nowrap;
  transition: all var(--transition);
  flex-shrink: 0;
}
.btn-announce:hover {
  border-color: var(--gray-400);
  box-shadow: var(--shadow-sm);
}

/* ════════════════════════════════════════════
   HOW IT WORKS
════════════════════════════════════════════ */
.how-section {
  padding: 72px 0;
  background: var(--gray-50);
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
}
.how-section .section-title { margin-bottom: 8px; }
.how-section .section-sub { margin-bottom: 52px; }

.steps-grid {
  display: flex;
  align-items: flex-start;
  gap: 0;
  max-width: 900px;
  margin: 0 auto;
}
.step-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.step-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }

.step-num {
  font-size: 36px;
  font-weight: 900;
  color: var(--blue-100);
  letter-spacing: -0.04em;
  line-height: 1;
}
.step-body h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
}
.step-body p { font-size: 14px; color: var(--gray-500); line-height: 1.6; }

.step-connector {
  width: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 48px;
  color: var(--gray-300);
  font-size: 22px;
  font-weight: 300;
}
.step-connector::after { content: '→'; }

/* ════════════════════════════════════════════
   CHAPTERS
════════════════════════════════════════════ */
.chapters-section {
  padding: 72px 0;
  background: var(--white);
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 32px;
  gap: 16px;
  flex-wrap: wrap;
}
.section-header .section-title { text-align: left; margin-bottom: 0; }
.section-header .how-label { text-align: left; }

.btn-outline {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
  border: 1.5px solid var(--gray-200);
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: all var(--transition);
  flex-shrink: 0;
}
.btn-outline:hover { border-color: var(--gray-400); color: var(--gray-900); }

.chapters-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.chapter-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 18px 16px;
  cursor: pointer;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  text-decoration: none;
}
.chapter-card:hover {
  border-color: var(--blue-200);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.ch-icon {
  width: 36px; height: 36px;
  background: var(--blue-50);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 16px;
}
.ch-info { flex: 1; min-width: 0; }
.ch-name {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ch-meta { font-size: 12px; color: var(--gray-400); font-weight: 500; }
.ch-arrow {
  color: var(--gray-300);
  font-size: 20px;
  flex-shrink: 0;
  transition: color var(--transition), transform var(--transition);
}
.chapter-card:hover .ch-arrow { color: var(--blue-600); transform: translateX(3px); }

.chapters-cta {
  margin-top: 28px;
  text-align: center;
}
.btn-outline-lg {
  display: inline-block;
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-800);
  border: 1.5px solid var(--gray-300);
  padding: 12px 28px;
  border-radius: 100px;
  transition: all var(--transition);
}
.btn-outline-lg:hover {
  border-color: var(--gray-500);
  box-shadow: var(--shadow-sm);
  color: var(--gray-900);
}

/* ════════════════════════════════════════════
   WHY VISUAL
════════════════════════════════════════════ */
.why-section {
  padding: 80px 0;
  background: var(--gray-50);
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
}
.why-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.why-text .section-title { margin-bottom: 16px; }
.why-text .how-label { text-align: left; margin-bottom: 10px; }
.why-desc {
  font-size: 15px;
  color: var(--gray-500);
  line-height: 1.7;
  margin-bottom: 14px;
}
.why-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}
.why-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14.5px;
  color: var(--gray-700);
  font-weight: 500;
}
.why-check {
  color: var(--blue-600);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}
.btn-primary-md {
  display: inline-block;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--white);
  background: var(--blue-600);
  padding: 11px 24px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.btn-primary-md:hover {
  background: var(--blue-700);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(37,99,235,.35);
}

/* Demo Card */
.why-visual-demo { display: flex; justify-content: center; }
.demo-card {
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 420px;
}
.demo-chip {
  background: var(--blue-50);
  color: var(--blue-700);
  font-size: 12px;
  font-weight: 600;
  padding: 10px 18px;
  border-bottom: 1px solid var(--blue-100);
}
.demo-diagram {
  padding: 20px 16px 12px;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
}
.demo-steps { padding: 16px; display: flex; flex-direction: column; gap: 8px; }
.demo-step {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--gray-400);
  padding: 8px 10px;
  border-radius: 8px;
  transition: all var(--transition);
}
.demo-step.active {
  background: var(--blue-50);
  color: var(--blue-700);
  font-weight: 600;
}
.ds-num {
  width: 20px; height: 20px;
  background: var(--gray-200);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
  color: var(--gray-500);
}
.demo-step.active .ds-num {
  background: var(--blue-600);
  color: var(--white);
}

/* ════════════════════════════════════════════
   MIND MAPS
════════════════════════════════════════════ */
.mindmap-section {
  padding: 72px 0;
  background: var(--white);
}
.mindmap-section .section-title { margin-bottom: 8px; }

.mindmap-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 40px;
}
.mm-card {
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}
.mm-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }

.mm-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
  font-size: 14px;
  font-weight: 700;
  color: var(--gray-900);
}
.mm-body { padding: 18px 16px; }
.mm-node {
  background: var(--blue-50);
  border: 1.5px solid var(--blue-200);
  color: var(--blue-700);
  font-size: 13.5px;
  font-weight: 700;
  text-align: center;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}
.mm-branches { display: flex; flex-direction: column; gap: 7px; }
.mm-branch {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-left: 3px solid var(--blue-300);
  color: var(--gray-700);
  font-size: 13px;
  font-weight: 500;
  padding: 7px 12px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.mm-footer {
  padding: 12px 16px;
  font-size: 12px;
  color: var(--gray-400);
  border-top: 1px solid var(--gray-100);
  font-weight: 500;
}

/* ════════════════════════════════════════════
   MNEMONICS
════════════════════════════════════════════ */
.mnemonics-section {
  padding: 72px 0;
  background: var(--gray-50);
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
}
.mnemonics-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.mnemonics-text .section-title { margin-bottom: 16px; }
.mnemonics-text .how-label { text-align: left; margin-bottom: 10px; }

.mnemonics-cards { display: flex; flex-direction: column; gap: 14px; }
.mnem-card {
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.mnem-card:hover { border-color: var(--blue-200); box-shadow: var(--shadow-sm); }
.mnem-label {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 8px;
}
.mnem-word {
  font-size: 22px;
  font-weight: 800;
  color: var(--blue-600);
  letter-spacing: .04em;
  margin-bottom: 10px;
}
.mnem-expand {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.mnem-expand span {
  font-size: 13px;
  color: var(--gray-500);
  line-height: 1.5;
}
.mnem-expand strong { color: var(--blue-700); }

/* ════════════════════════════════════════════
   TESTIMONIALS
════════════════════════════════════════════ */
.testimonials-section {
  padding: 72px 0;
  background: var(--white);
}
.testimonials-section .section-title { margin-bottom: 8px; }

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 44px;
}
.testi-card {
  background: var(--gray-50);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.testi-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.testi-stars { color: #F59E0B; font-size: 15px; letter-spacing: 2px; }
.testi-text {
  font-size: 15px;
  color: var(--gray-700);
  line-height: 1.7;
  font-style: italic;
  flex: 1;
}
.testi-author { display: flex; align-items: center; gap: 12px; }
.testi-avatar {
  width: 38px; height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 15px;
  flex-shrink: 0;
}
.testi-name { font-size: 14px; font-weight: 700; color: var(--gray-900); }
.testi-school { font-size: 12.5px; color: var(--gray-400); margin-top: 1px; }

/* ════════════════════════════════════════════
   FAQ
════════════════════════════════════════════ */
.faq-section {
  padding: 72px 0;
  background: var(--gray-50);
  border-top: 1px solid var(--gray-200);
}
.faq-inner { max-width: 680px; margin: 0 auto; }
.faq-section .section-title { margin-bottom: 36px; }
.faq-section .how-label { margin-bottom: 8px; }

.faq-list { display: flex; flex-direction: column; gap: 10px; }
.faq-item {
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item.open { border-color: var(--blue-200); }

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-900);
  padding: 18px 20px;
  background: none;
  border: none;
  cursor: pointer;
  transition: background var(--transition);
}
.faq-q:hover { background: var(--gray-50); }
.faq-chevron {
  font-size: 22px;
  color: var(--gray-400);
  transition: transform var(--transition), color var(--transition);
  flex-shrink: 0;
  line-height: 1;
}
.faq-item.open .faq-chevron { transform: rotate(90deg); color: var(--blue-600); }

.faq-a {
  font-size: 14.5px;
  color: var(--gray-500);
  line-height: 1.7;
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease, padding .3s ease;
}
.faq-item.open .faq-a {
  max-height: 200px;
  padding: 0 20px 18px;
}

/* ════════════════════════════════════════════
   FINAL CTA
════════════════════════════════════════════ */
.cta-section {
  padding: 80px 0;
  background: var(--gray-900);
}
.cta-inner { text-align: center; }

.cta-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--blue-200);
  background: rgba(37,99,235,.2);
  border: 1px solid rgba(37,99,235,.3);
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}
.cta-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 16px;
}
.cta-title em { font-style: italic; color: #93C5FD; }
.cta-sub {
  font-size: 17px;
  color: #9CA3AF;
  max-width: 500px;
  margin: 0 auto 36px;
  line-height: 1.65;
}
.cta-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.btn-cta-primary {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  background: var(--blue-600);
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.btn-cta-primary:hover {
  background: var(--blue-700);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37,99,235,.45);
}
.btn-cta-outline {
  font-size: 15px;
  font-weight: 600;
  color: #D1D5DB;
  border: 1.5px solid #374151;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.btn-cta-outline:hover { border-color: #6B7280; color: var(--white); }
.cta-note { font-size: 13px; color: #6B7280; font-weight: 500; }

/* ════════════════════════════════════════════
   FOOTER (Typically global, but kept for standalone safety)
════════════════════════════════════════════ */
.footer {
  background: var(--white);
  border-top: 1px solid var(--gray-200);
  padding: 52px 0 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 48px;
  padding-bottom: 40px;
}
.footer-brand { display: flex; flex-direction: column; gap: 14px; }
.footer-logo .logo-text { font-size: 14px; }
.footer-tagline { font-size: 14px; color: var(--gray-400); line-height: 1.6; }

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--gray-900);
  margin-bottom: 4px;
}
.footer-col a {
  font-size: 14px;
  color: var(--gray-500);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--gray-900); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  border-top: 1px solid var(--gray-200);
  padding: 16px 24px;
  font-size: 13px;
  color: var(--gray-400);
}

/* ════════════════════════════════════════════
   ANIMATIONS
════════════════════════════════════════════ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Scroll-triggered reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .5s ease, transform .5s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ════════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════════ */
@media (max-width: 900px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .chapters-grid { grid-template-columns: repeat(2, 1fr); }
  .why-inner, .mnemonics-inner { grid-template-columns: 1fr; gap: 40px; }
  .why-visual-demo { order: -1; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .mindmap-cards { grid-template-columns: 1fr; }
  .steps-grid { flex-direction: column; }
  .step-connector { display: none; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .btn-primary { display: none; }
  .hamburger { display: flex; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: 1fr; }
  .chapters-grid { grid-template-columns: 1fr; }
  .section-header { flex-direction: column; align-items: flex-start; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .mindmap-cards { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 44px; }
}/* End custom CSS */