* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
  background: #0a1929;
  color: #e0f2f7;
}

.lang-switch {
  position: fixed;
  top: 16px;
  right: 16px;
  display: flex;
  gap: 4px;
  z-index: 10;
  background: #12263a;
  border: 1px solid #1f3a52;
  border-radius: 8px;
  padding: 4px;
}

.lang-btn {
  background: transparent;
  border: none;
  color: #90a4ae;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: bold;
  font-size: 0.85rem;
}

.lang-btn.active {
  background: #4dd0e1;
  color: #0a1929;
}

.hero {
  text-align: center;
  padding: 60px 20px 40px;
  background: linear-gradient(180deg, #0a1929 0%, #12263a 100%);
}

.hero .eyebrow {
  color: #ffb300;
  font-weight: bold;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  margin: 0 0 8px;
}

.hero h1 {
  font-size: 2.4rem;
  color: #4dd0e1;
  margin: 0 0 12px;
}

.hero p {
  color: #90a4ae;
  max-width: 480px;
  margin: 0 auto;
}

.download-btn-top {
  margin-top: 4px;
  margin-bottom: 20px;
  padding: 14px 32px;
  font-size: 1rem;
  box-shadow: 0 0 24px rgba(77, 208, 225, 0.35);
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 20px;
  font-size: 0.82rem;
  color: #80cbc4;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 24px;
}

.download-btn {
  display: inline-block;
  padding: 12px 28px;
  background: #4dd0e1;
  color: #0a1929;
  text-decoration: none;
  font-weight: bold;
  border-radius: 8px;
  transition: opacity 0.2s;
}

.download-btn:hover {
  opacity: 0.85;
}

.wa-btn {
  display: inline-block;
  padding: 12px 28px;
  background: transparent;
  color: #4dd0e1;
  border: 1px solid #4dd0e1;
  text-decoration: none;
  font-weight: bold;
  border-radius: 8px;
  transition: opacity 0.2s;
}

.wa-btn:hover {
  opacity: 0.75;
}

.unity-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  padding: 6px 14px;
  background: #1a1a1a;
  border: 1px solid #444;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: bold;
  color: #f0f0f0;
}

.unity-badge-icon {
  color: #ffffff;
  font-size: 0.7rem;
}

.pain-points {
  max-width: 900px;
  margin: 0 auto;
  padding: 50px 20px 20px;
  text-align: center;
}

.pain-points h2 {
  color: #4dd0e1;
  margin-bottom: 6px;
}

.section-sub {
  color: #90a4ae;
  font-size: 0.9rem;
  margin-top: 0;
  margin-bottom: 30px;
}

.pain-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.pain-card {
  background: #12263a;
  border: 1px solid #1f3a52;
  border-radius: 12px;
  padding: 20px;
  width: 240px;
}

.pain-icon {
  font-size: 1.8rem;
  display: block;
  margin-bottom: 8px;
}

.pain-card h3 {
  color: #e0f2f7;
  font-size: 1rem;
  margin: 0 0 8px;
}

.pain-card p {
  color: #90a4ae;
  font-size: 0.85rem;
  line-height: 1.5;
  margin: 0;
}

.tiers {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  padding: 40px 20px;
}

.tier-card {
  background: #12263a;
  border: 1px solid #1f3a52;
  border-radius: 12px;
  padding: 24px;
  width: 240px;
  text-align: center;
}

.tier-card.featured {
  border-color: #4dd0e1;
  box-shadow: 0 0 20px rgba(77, 208, 225, 0.2);
}

.tier-card h2 {
  color: #4dd0e1;
  margin-top: 0;
}

.tier-card .price {
  font-size: 1.4rem;
  font-weight: bold;
  margin: 12px 0;
}

.tier-card .price span {
  font-size: 0.9rem;
  font-weight: normal;
  color: #90a4ae;
}

.price-yearly {
  font-size: 0.78rem;
  color: #80cbc4;
  margin: -8px 0 12px;
}

.tier-card ul {
  list-style: none;
  padding: 0;
  text-align: left;
  color: #b0bec5;
  font-size: 0.9rem;
}

.tier-card li::before {
  content: "✓ ";
  color: #4dd0e1;
}

.tier-card.proplus {
  position: relative;
  border-color: #ffb300;
  box-shadow: 0 0 20px rgba(255, 179, 0, 0.2);
}

.curriculum-title {
  font-size: 0.8rem;
  font-weight: bold;
  color: #ffb300;
  margin: 14px 0 6px;
  text-align: left;
}

.curriculum-list {
  border-top: 1px solid #1f3a52;
  padding-top: 8px;
  margin-top: 0;
}

.curriculum-list li {
  font-size: 0.82rem;
}

.tier-card .badge {
  display: block;
  background: #ffb300;
  color: #0a1929;
  font-size: 0.7rem;
  font-weight: bold;
  padding: 4px 8px;
  border-radius: 6px;
  margin: -8px 0 12px;
}

.tier-card .strike {
  display: block;
  text-decoration: line-through;
  color: #78909c;
  font-size: 0.9rem;
  font-weight: normal;
}

.price-note {
  text-align: center;
  color: #78909c;
  font-size: 0.8rem;
  max-width: 480px;
  margin: -20px auto 20px;
  padding: 0 20px;
}

.guarantee {
  text-align: center;
  color: #80cbc4;
  font-size: 0.9rem;
  margin: -20px 0 10px;
}

.download-cta {
  text-align: center;
  margin: 0 0 50px;
}

.download-btn-large {
  padding: 16px 40px;
  font-size: 1.1rem;
  box-shadow: 0 0 24px rgba(77, 208, 225, 0.35);
}

.testimonials {
  max-width: 700px;
  margin: 0 auto 60px;
  padding: 0 20px;
  text-align: center;
}

.testimonials h2 {
  color: #4dd0e1;
  margin-bottom: 24px;
}

.testimonial-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.testimonial-card {
  background: #12263a;
  border: 1px solid #1f3a52;
  border-radius: 12px;
  padding: 20px;
  width: 260px;
  text-align: left;
}

.testimonial-quote {
  color: #e0f2f7;
  font-size: 0.95rem;
  font-style: italic;
  margin: 0 0 10px;
}

.testimonial-author {
  color: #80cbc4;
  font-size: 0.82rem;
  margin: 0;
}

.testimonial-stars {
  color: #ffb300;
  font-size: 1rem;
  margin: 0 0 8px;
  letter-spacing: 2px;
}

.feedback {
  max-width: 420px;
  margin: 0 auto 60px;
  padding: 30px;
  background: #12263a;
  border-radius: 12px;
}

.feedback h2 {
  text-align: center;
  color: #4dd0e1;
  margin-bottom: 4px;
}

.feedback #feedback-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 20px;
}

.feedback label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.9rem;
  color: #b0bec5;
}

.feedback input,
.feedback select,
.feedback textarea {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid #1f3a52;
  background: #0a1929;
  color: #e0f2f7;
  font-size: 1rem;
  font-family: inherit;
  resize: vertical;
}

.feedback button {
  padding: 12px;
  border: none;
  border-radius: 8px;
  background: #4dd0e1;
  color: #0a1929;
  font-weight: bold;
  font-size: 1rem;
  cursor: pointer;
}

.feedback button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

#feedback-status {
  text-align: center;
  font-size: 0.9rem;
  color: #4dd0e1;
  min-height: 20px;
}

.instructor {
  max-width: 600px;
  margin: 0 auto 60px;
  padding: 0 20px;
}

.instructor h2 {
  text-align: center;
  color: #4dd0e1;
}

.instructor-content p {
  color: #b0bec5;
  line-height: 1.6;
  font-size: 0.95rem;
}

.instructor-content strong {
  color: #e0f2f7;
}

.instructor-links {
  text-align: center;
  margin-top: 16px;
}

.instructor-links a {
  color: #4dd0e1;
  text-decoration: none;
  font-weight: bold;
}

.instructor-links a:hover {
  text-decoration: underline;
}

.purchase {
  max-width: 420px;
  margin: 0 auto 60px;
  padding: 30px;
  background: #12263a;
  border-radius: 12px;
}

.purchase h2 {
  text-align: center;
  color: #4dd0e1;
}

.purchase form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.purchase label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.9rem;
  color: #b0bec5;
}

.purchase input,
.purchase select {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid #1f3a52;
  background: #0a1929;
  color: #e0f2f7;
  font-size: 1rem;
}

.purchase small {
  color: #78909c;
  font-size: 0.75rem;
}

.purchase button {
  padding: 12px;
  border: none;
  border-radius: 8px;
  background: #4dd0e1;
  color: #0a1929;
  font-weight: bold;
  font-size: 1rem;
  cursor: pointer;
}

.purchase button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

#form-message {
  text-align: center;
  font-size: 0.9rem;
  color: #4dd0e1;
  min-height: 20px;
}

.proplus-note {
  text-align: center;
  margin-top: 16px;
  font-size: 0.85rem;
  color: #90a4ae;
}

.proplus-note a {
  color: #4dd0e1;
}

.site-footer {
  text-align: center;
  padding: 30px 20px 40px;
  border-top: 1px solid #1f3a52;
  color: #78909c;
  font-size: 0.85rem;
}

.footer-links {
  margin: 10px 0;
}

.footer-links a {
  color: #4dd0e1;
  text-decoration: none;
  font-weight: bold;
}

.footer-links a:hover {
  text-decoration: underline;
}

.copyright {
  font-size: 0.78rem;
  color: #546e7a;
}