.page-vip-program {
  padding-top: var(--header-offset, 120px); /* Đảm bảo nội dung không bị che bởi header cố định */
  background-color: #f8f8f8;
  color: #333333;
  font-family: 'Arial', sans-serif;
}

.page-vip-program__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.page-vip-program__hero-section {
  position: relative;
  overflow: hidden;
  background-color: #0047AB;
  color: #ffffff;
  padding: 0;
  margin-bottom: 40px;
}

.page-vip-program__hero-container {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 20px;
  max-width: 100%;
}

.page-vip-program__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0.3;
  z-index: 0;
  min-height: 400px;
}

.page-vip-program__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 60px 0;
}

.page-vip-program__hero-title {
  font-size: 3.5em;
  font-weight: bold;
  margin-bottom: 20px;
  color: #FFD700;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-vip-program__hero-description {
  font-size: 1.3em;
  margin-bottom: 30px;
  line-height: 1.6;
}

.page-vip-program__hero-actions {
  display: flex;
  gap: 20px;
  justify-content: center;
}

.page-vip-program__btn {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: background-color 0.3s ease, transform 0.3s ease;
  min-width: 200px;
  text-align: center;
}

.page-vip-program__btn--primary {
  background-color: #FFD700;
  color: #0047AB;
  border: 2px solid #FFD700;
}

.page-vip-program__btn--primary:hover {
  background-color: #e6c200;
  transform: translateY(-2px);
}

.page-vip-program__btn--secondary {
  background-color: transparent;
  color: #FFD700;
  border: 2px solid #FFD700;
}

.page-vip-program__btn--secondary:hover {
  background-color: #FFD700;
  color: #0047AB;
  transform: translateY(-2px);
}

.page-vip-program__btn--small {
  padding: 10px 20px;
  font-size: 0.9em;
  min-width: 120px;
  background-color: #0047AB;
  color: #FFD700;
  border: 1px solid #FFD700;
}

.page-vip-program__btn--small:hover {
  background-color: #FFD700;
  color: #0047AB;
  transform: translateY(-2px);
}

.page-vip-program__section-title {
  font-size: 2.5em;
  color: #0047AB;
  text-align: center;
  margin-bottom: 20px;
  font-weight: bold;
}

.page-vip-program__subtitle {
  font-size: 1.2em;
  text-align: center;
  margin-bottom: 40px;
  color: #555555;
}

.page-vip-program__text-block {
  font-size: 1.1em;
  line-height: 1.8;
  margin-bottom: 20px;
  text-align: justify;
}

.page-vip-program__image-center {
  display: block;
  margin: 40px auto;
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  min-width: 200px;
  min-height: 200px;
}

.page-vip-program__introduction-section,
.page-vip-program__tiers-section,
.page-vip-program__benefits-section,
.page-vip-program__upgrade-section,
.page-vip-program__faq-section {
  padding: 60px 0;
  background-color: #ffffff;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  margin-bottom: 40px;
}

.page-vip-program__tiers-section {
  background-color: #f0f8ff;
}

.page-vip-program__tier-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  justify-content: center;
}

.page-vip-program__tier-card {
  background-color: #ffffff;
  border: 1px solid #e0e0e0;
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
}

.page-vip-program__tier-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.page-vip-program__tier-icon {
  width: 150px;
  height: 150px;
  margin-bottom: 20px;
  object-fit: contain;
  min-width: 200px;
  min-height: 200px;
}

.page-vip-program__tier-title {
  font-size: 1.8em;
  color: #0047AB;
  margin-bottom: 15px;
  font-weight: bold;
}

.page-vip-program__tier-benefits {
  list-style: none;
  padding: 0;
  margin-bottom: 25px;
  text-align: left;
  width: 100%;
}

.page-vip-program__tier-benefits li {
  font-size: 1em;
  margin-bottom: 10px;
  color: #555555;
  position: relative;
  padding-left: 25px;
}

.page-vip-program__tier-benefits li::before {
  content: '✓';
  color: #FFD700;
  position: absolute;
  left: 0;
  font-weight: bold;
}

.page-vip-program__benefits-section {
  background-color: #ffffff;
}

.page-vip-program__benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.page-vip-program__benefit-item {
  text-align: center;
  padding: 25px;
  border-radius: 12px;
  background-color: #f9f9f9;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
  transition: transform 0.3s ease;
}

.page-vip-program__benefit-item:hover {
  transform: translateY(-5px);
}

.page-vip-program__benefit-icon {
  width: 100px;
  height: 100px;
  margin-bottom: 20px;
  object-fit: contain;
  min-width: 200px;
  min-height: 200px;
}

.page-vip-program__benefit-title {
  font-size: 1.5em;
  color: #0047AB;
  margin-bottom: 10px;
  font-weight: bold;
}

.page-vip-program__benefit-description {
  font-size: 1em;
  line-height: 1.6;
  color: #666666;
}

.page-vip-program__cta-block {
  text-align: center;
  margin-top: 60px;
  padding: 40px;
  background-color: #0047AB;
  color: #ffffff;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.page-vip-program__cta-text {
  font-size: 1.8em;
  font-weight: bold;
  margin-bottom: 25px;
  color: #FFD700;
}

.page-vip-program__upgrade-section {
  background-color: #f0f8ff;
}

.page-vip-program__steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.page-vip-program__step-item {
  text-align: center;
  padding: 30px;
  background-color: #ffffff;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.page-vip-program__step-icon {
  width: 120px;
  height: 120px;
  margin-bottom: 20px;
  object-fit: contain;
  min-width: 200px;
  min-height: 200px;
}

.page-vip-program__step-title {
  font-size: 1.6em;
  color: #0047AB;
  margin-bottom: 15px;
  font-weight: bold;
}

.page-vip-program__step-description {
  font-size: 1em;
  line-height: 1.6;
  color: #666666;
}

.page-vip-program__step-description a {
  color: #0047AB;
  text-decoration: none;
  font-weight: bold;
}

.page-vip-program__step-description a:hover {
  text-decoration: underline;
}

.page-vip-program__faq-section {
  background-color: #ffffff;
}

.page-vip-program__faq-list {
  margin-top: 40px;
}

.page-vip-program__faq-item {
  background-color: #f9f9f9;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  margin-bottom: 15px;
  padding: 20px 25px;
}

.page-vip-program__faq-question {
  font-size: 1.25em;
  color: #0047AB;
  margin-bottom: 10px;
  font-weight: bold;
  cursor: pointer;
  position: relative;
  padding-right: 30px;
}

.page-vip-program__faq-question::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5em;
  color: #FFD700;
  transition: transform 0.3s ease;
}

.page-vip-program__faq-item.active .page-vip-program__faq-question::after {
  content: '-';
  transform: translateY(-50%) rotate(180deg);
}

.page-vip-program__faq-answer {
  font-size: 1em;
  line-height: 1.6;
  color: #666666;
  display: none;
  padding-top: 10px;
  border-top: 1px solid #eee;
  margin-top: 10px;
}

.page-vip-program__faq-item.active .page-vip-program__faq-answer {
  display: block;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .page-vip-program__hero-title {
    font-size: 3em;
  }
  .page-vip-program__section-title {
    font-size: 2em;
  }
}

@media (max-width: 768px) {
  .page-vip-program__hero-content {
    padding: 40px 0;
  }
  .page-vip-program__hero-title {
    font-size: 2.5em;
  }
  .page-vip-program__hero-description {
    font-size: 1.1em;
  }
  .page-vip-program__hero-actions {
    flex-direction: column;
    gap: 15px;
  }
  .page-vip-program__btn {
    width: 100%;
    max-width: 300px;
  }
  .page-vip-program__section-title {
    font-size: 1.8em;
  }
  .page-vip-program__subtitle {
    font-size: 1em;
  }
  .page-vip-program__tier-grid,
  .page-vip-program__benefits-grid,
  .page-vip-program__steps-grid {
    grid-template-columns: 1fr;
  }
  .page-vip-program__cta-text {
    font-size: 1.5em;
  }
  .page-vip-program__hero-image {
    min-height: 300px;
  }
}

@media (max-width: 480px) {
  .page-vip-program__hero-title {
    font-size: 2em;
  }
  .page-vip-program__hero-description {
    font-size: 0.9em;
  }
  .page-vip-program__section-title {
    font-size: 1.5em;
  }
  .page-vip-program__btn {
    padding: 12px 20px;
    font-size: 1em;
  }
  .page-vip-program__cta-block {
    padding: 25px;
  }
  .page-vip-program__cta-text {
    font-size: 1.2em;
  }
  .page-vip-program__faq-question {
    font-size: 1.1em;
  }
}