@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:ital,wght@0,400;0,500;0,600;0,700;0,800;0,900;1,400;1,600&family=Lexend:wght@400;500;600;700;800;900&display=swap');

:root {
  --font-heading: 'Lexend', 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
  --font-body: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
  --sky-blue-top: #00BAFF;
  --sky-blue-bottom: #006CE6;
  --lime-green: #59CB25;
  --lime-green-dark: #42A814;
  --lime-green-light: #7BEA46;
  --vibrant-orange: #FF6B00;
  --vibrant-orange-end: #FF3D00;
  --canary-yellow: #FFD200;
  --canary-yellow-dark: #D9A000;
  --text-dark: #1E293B;
  --text-muted: #64748B;
  --white: #FFFFFF;
  --bg-light-blue: #EBF7FF;
  --bg-light-green: #F0FDF4;
}

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

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background-color: #F8FAFC;
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, .badge-pill, .btn-cta, .section-title {
  font-family: var(--font-heading);
}

/* Container */
.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
}

/* --- HERO SECTION (PalFish Style) --- */
.hero-section {
  background: linear-gradient(180deg, var(--sky-blue-top) 0%, var(--sky-blue-bottom) 100%);
  position: relative;
  padding-top: 20px;
  padding-bottom: 70px;
  text-align: center;
  color: var(--white);
}

.hero-sunburst {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1200px;
  height: 100%;
  background: radial-gradient(circle at 50% 20%, rgba(255, 255, 255, 0.25) 0%, rgba(255, 255, 255, 0) 70%);
  pointer-events: none;
}

.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.logo-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.95);
  padding: 8px 20px;
  border-radius: 50px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
  color: #0F172A;
  font-weight: 800;
  font-size: 1.1rem;
}

.logo-brand img {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  object-fit: cover;
}

.top-hotline {
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  padding: 8px 18px;
  border-radius: 50px;
  color: var(--white);
  font-weight: 700;
  text-decoration: none;
  font-size: 0.95rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-header-title {
  font-size: 2.2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  text-shadow: 0 3px 6px rgba(0, 0, 0, 0.25);
  margin-bottom: 8px;
  color: var(--white);
}

.hero-header-subtitle {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--canary-yellow);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  margin-bottom: 24px;
}

/* Yellow Badges */
.pills-container {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.badge-pill {
  background: linear-gradient(180deg, #FFE042 0%, var(--canary-yellow) 100%);
  color: #4A3000;
  font-weight: 700;
  font-size: 1rem;
  padding: 10px 24px;
  border-radius: 50px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15), inset 0 2px 0 rgba(255, 255, 255, 0.6);
  border: 2px solid #FFF399;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  transition: transform 0.2s ease;
}

.badge-pill:hover {
  transform: translateY(-2px);
}

/* Hero Media Image */
.hero-image-wrapper {
  max-width: 780px;
  margin: 0 auto 30px auto;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
  border: 4px solid rgba(255, 255, 255, 0.8);
}

.hero-image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* --- FLOATING LIME GREEN FORM CARD --- */
.hero-form-card {
  background: linear-gradient(180deg, #60D629 0%, var(--lime-green-dark) 100%);
  max-width: 580px;
  margin: 0 auto;
  padding: 32px 28px;
  border-radius: 32px;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.25), inset 0 3px 0 rgba(255, 255, 255, 0.3);
  border: 3px solid #8FF557;
  color: var(--white);
  position: relative;
  z-index: 10;
}

.form-card-title {
  font-size: 2.2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--white);
  text-shadow: 0 3px 6px rgba(0, 0, 0, 0.2);
  margin-bottom: 6px;
}

.form-card-subtitle {
  font-size: 0.95rem;
  color: #F0FDF4;
  margin-bottom: 24px;
  opacity: 0.95;
  font-weight: 600;
}

.lead-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-group {
  position: relative;
}

.form-input, .form-select {
  width: 100%;
  padding: 16px 24px;
  border-radius: 50px;
  border: 2px solid transparent;
  font-size: 1rem;
  font-family: 'Nunito', sans-serif;
  font-weight: 700;
  color: #1E293B;
  background-color: var(--white);
  box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.08), 0 4px 10px rgba(0, 0, 0, 0.05);
  outline: none;
  transition: all 0.2s ease;
}

.form-input::placeholder {
  color: #94A3B8;
  font-weight: 600;
}

.form-input:focus, .form-select:focus {
  border-color: var(--canary-yellow);
  box-shadow: 0 0 0 4px rgba(255, 210, 0, 0.4);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%3b64748B' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 20px center;
  background-size: 16px;
  cursor: pointer;
}

/* CTA BUTTON (Vibrant Glossy Orange) */
.btn-cta {
  background: linear-gradient(180deg, #FF8800 0%, var(--vibrant-orange-end) 100%);
  color: var(--white);
  border: none;
  padding: 18px 36px;
  font-size: 1.4rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 50px;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(255, 107, 0, 0.45), inset 0 3px 0 rgba(255, 255, 255, 0.4);
  border: 2px solid #FFAE42;
  transition: all 0.2s ease;
  width: 100%;
  margin-top: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  animation: pulse-orange 2.2s infinite;
}

@keyframes pulse-orange {
  0% { transform: scale(1); box-shadow: 0 8px 24px rgba(255, 107, 0, 0.45); }
  50% { transform: scale(1.02); box-shadow: 0 12px 32px rgba(255, 107, 0, 0.65); }
  100% { transform: scale(1); box-shadow: 0 8px 24px rgba(255, 107, 0, 0.45); }
}

.btn-cta:hover {
  background: linear-gradient(180deg, #FFA024 0%, #FF2200 100%);
  transform: translateY(-2px);
}

.form-note {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.9);
  margin-top: 10px;
}

/* --- SCALLOPED CLOUD WAVE DIVIDER --- */
.wave-divider {
  position: relative;
  width: 100%;
  overflow: hidden;
  line-height: 0;
  margin-top: -30px;
  z-index: 5;
}

.wave-divider svg {
  position: relative;
  display: block;
  width: calc(100% + 1.3px);
  height: 60px;
}

.wave-divider .shape-fill {
  fill: #F8FAFC;
}

/* --- PAIN POINTS SECTION --- */
.section-padding {
  padding: 70px 0;
}

.section-title-wrap {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 45px auto;
}

.section-badge {
  display: inline-block;
  background: rgba(239, 68, 68, 0.1);
  color: #EF4444;
  font-weight: 800;
  font-size: 0.88rem;
  padding: 6px 16px;
  border-radius: 50px;
  text-transform: uppercase;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.section-badge.green {
  background: rgba(89, 203, 37, 0.15);
  color: var(--lime-green-dark);
}

.section-badge.blue {
  background: rgba(0, 168, 255, 0.15);
  color: var(--sky-blue-bottom);
}

.section-title {
  font-size: 2rem;
  color: var(--text-dark);
  font-weight: 700;
  line-height: 1.3;
}

.pain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.pain-card {
  background: var(--white);
  border-radius: 24px;
  padding: 30px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
  border-top: 5px solid #EF4444;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.pain-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.pain-icon {
  width: 54px;
  height: 54px;
  background: #FEE2E2;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 18px;
}

.pain-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: #B91C1C;
}

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

.truth-box {
  margin-top: 40px;
  background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
  border-radius: 20px;
  padding: 24px 30px;
  border-left: 6px solid var(--sky-blue-top);
  display: flex;
  align-items: center;
  gap: 20px;
}

.truth-box-icon {
  font-size: 2.2rem;
}

.truth-box p {
  font-size: 1.05rem;
  font-weight: 700;
  color: #1E40AF;
}

/* --- VIDEO CLASSROOM PREVIEW SECTION (Green Background like image) --- */
.section-green {
  background: linear-gradient(180deg, var(--lime-green) 0%, var(--lime-green-dark) 100%);
  color: var(--white);
  padding: 70px 0;
  position: relative;
}

.section-green .section-title {
  color: var(--white);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.video-frame-container {
  max-width: 820px;
  margin: 0 auto;
  background: #000;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
  border: 6px solid var(--white);
  position: relative;
}

.video-frame-container img {
  width: 100%;
  display: block;
  object-fit: cover;
}

.play-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  background: rgba(255, 107, 0, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 30px rgba(255, 107, 0, 0.8);
  cursor: pointer;
  transition: transform 0.2s ease;
}

.play-overlay:hover {
  transform: translate(-50%, -50%) scale(1.1);
}

.play-overlay::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 14px 0 14px 24px;
  border-color: transparent transparent transparent #FFFFFF;
  margin-left: 5px;
}

/* --- BENEFITS SECTION --- */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.benefit-card {
  background: var(--white);
  border-radius: 24px;
  padding: 32px 28px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  border: 2px solid #F1F5F9;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.benefit-card:hover {
  transform: translateY(-5px);
  border-color: var(--sky-blue-top);
}

.benefit-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--canary-yellow);
  color: #4A3000;
  font-weight: 800;
  font-size: 1.2rem;
  border-radius: 12px;
  margin-bottom: 16px;
  box-shadow: 0 4px 10px rgba(255, 210, 0, 0.3);
}

.benefit-card h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
  color: var(--text-dark);
}

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

/* --- ROADMAP SECTION --- */
.roadmap-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  position: relative;
}

.roadmap-card {
  background: var(--bg-light-blue);
  border-radius: 24px;
  padding: 30px;
  border: 2px solid #BAE6FD;
  position: relative;
}

.roadmap-step-badge {
  background: var(--sky-blue-bottom);
  color: var(--white);
  padding: 6px 18px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.9rem;
  display: inline-block;
  margin-bottom: 16px;
}

.roadmap-card h3 {
  font-size: 1.2rem;
  color: #0369A1;
  margin-bottom: 12px;
}

.roadmap-card ul {
  list-style: none;
  padding: 0;
}

.roadmap-card ul li {
  padding-left: 22px;
  position: relative;
  margin-bottom: 10px;
  color: #334155;
  font-size: 0.95rem;
}

.roadmap-card ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--lime-green-dark);
  font-weight: 800;
}

/* --- TESTIMONIALS SECTION --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.testimonial-card {
  background: var(--white);
  border-radius: 24px;
  padding: 30px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
  border: 1px solid #E2E8F0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.stars {
  color: #F59E0B;
  font-size: 1.2rem;
  margin-bottom: 14px;
}

.testimonial-text {
  font-style: italic;
  color: #475569;
  margin-bottom: 20px;
  font-size: 0.98rem;
}

.parent-info {
  display: flex;
  align-items: center;
  gap: 14px;
}

.parent-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--canary-yellow);
  color: #4A3000;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
}

.parent-details h4 {
  font-size: 1rem;
  color: var(--text-dark);
}

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

/* --- SPECIAL OFFER SECTION --- */
.offer-box {
  background: linear-gradient(135deg, #FFFBEB 0%, #FEF3C7 100%);
  border-radius: 32px;
  padding: 45px 35px;
  border: 3px solid var(--canary-yellow);
  box-shadow: 0 15px 35px rgba(245, 158, 11, 0.15);
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
}

.offer-title {
  font-size: 2.2rem;
  color: #B45309;
  margin-bottom: 10px;
}

.price-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin: 24px 0;
}

.price-old {
  font-size: 1.5rem;
  color: #94A3B8;
  text-decoration: line-through;
  font-weight: 700;
}

.price-new {
  font-size: 2.8rem;
  color: var(--vibrant-orange);
  font-weight: 800;
  font-family: var(--font-heading);
}

.discount-badge {
  background: #EF4444;
  color: var(--white);
  font-weight: 800;
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.9rem;
}

/* Countdown Timer */
.timer-container {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin: 24px 0;
}

.timer-unit {
  background: var(--white);
  padding: 12px 18px;
  border-radius: 16px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  min-width: 75px;
}

.timer-value {
  font-size: 1.8rem;
  font-weight: 800;
  color: #B45309;
  font-family: var(--font-heading);
}

.timer-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: #78350F;
  font-weight: 700;
}

.gifts-list {
  text-align: left;
  max-width: 580px;
  margin: 25px auto;
  background: var(--white);
  padding: 24px;
  border-radius: 20px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.gifts-list h4 {
  font-size: 1.1rem;
  color: #92400E;
  margin-bottom: 12px;
}

.gifts-list ul {
  list-style: none;
}

.gifts-list ul li {
  padding: 8px 0 8px 28px;
  position: relative;
  color: #451A03;
  font-weight: 600;
}

.gifts-list ul li::before {
  content: '🎁';
  position: absolute;
  left: 0;
}

/* --- GUARANTEE SECTION --- */
.guarantee-box {
  background: var(--bg-light-green);
  border: 2px dashed var(--lime-green-dark);
  border-radius: 24px;
  padding: 30px;
  display: flex;
  align-items: center;
  gap: 24px;
  max-width: 820px;
  margin: 40px auto 0 auto;
}

.guarantee-shield {
  font-size: 3.5rem;
}

.guarantee-text h4 {
  font-size: 1.3rem;
  color: var(--lime-green-dark);
  margin-bottom: 8px;
}

.guarantee-text p {
  color: #334155;
  font-size: 0.98rem;
}

/* --- FAQ SECTION --- */
.faq-container {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--white);
  border-radius: 18px;
  border: 1px solid #E2E8F0;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  text-align: left;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: 'Nunito', sans-serif;
}

.faq-answer {
  padding: 0 24px 20px 24px;
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.6;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

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

.faq-toggle {
  transition: transform 0.2s ease;
}

/* --- FOOTER --- */
footer {
  background: #0F172A;
  color: #94A3B8;
  padding: 50px 0 30px 0;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 16px;
}

.footer-bottom {
  text-align: center;
  border-top: 1px solid #1E293B;
  padding-top: 24px;
  color: #64748B;
}

/* --- MODAL SUCCESS --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

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

.modal-content {
  background: var(--white);
  border-radius: 28px;
  padding: 40px;
  max-width: 480px;
  width: 90%;
  text-align: center;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
  transform: scale(0.8);
  transition: transform 0.3s ease;
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-icon {
  font-size: 4rem;
  margin-bottom: 16px;
}

.modal-content h3 {
  font-size: 1.8rem;
  color: var(--lime-green-dark);
  margin-bottom: 12px;
}

.modal-content p {
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* --- STICKY MOBILE CTA BAR --- */
.sticky-mobile-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  padding: 12px 20px;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
  z-index: 99;
  display: none;
}

/* --- RESPONSIVE STYLES --- */
@media (max-width: 768px) {
  .hero-header-title {
    font-size: 1.6rem;
  }
  .hero-header-subtitle {
    font-size: 1.1rem;
  }
  .badge-pill {
    font-size: 0.85rem;
    padding: 8px 16px;
  }
  .form-card-title {
    font-size: 1.7rem;
  }
  .btn-cta {
    font-size: 1.15rem;
    padding: 16px 24px;
  }
  .price-new {
    font-size: 2.2rem;
  }
  .sticky-mobile-bar {
    display: block;
  }
  body {
    padding-bottom: 70px;
  }
}