:root {
  --color-primary: #11A84E;
  --color-secondary: #22C768;
  --color-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --color-card-bg: #11271B;
  --color-background: #08160F;
  --color-text-main: #F2FFF6;
  --color-text-secondary: #A7D9B8;
  --color-border: #2E7A4E;
  --color-glow: #57E38D;
  --color-gold: #F2C14E;
  --color-divider: #1E3A2A;
  --color-deep-green: #0A4B2C;
}

/* style/vip-program-tiers.css */
/* body đã padding-top: var(--header-offset)；trang này không được viết lại biến đó */
.page-vip-program-tiers {
  font-family: 'Arial', sans-serif;
  color: var(--color-text-main); /* Sử dụng màu chữ chính cho toàn bộ trang */
  background-color: var(--color-background);
  line-height: 1.6;
  padding-bottom: 40px; /* Đảm bảo có khoảng trống ở cuối trang */
}

.page-vip-program-tiers__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

/* Hero Section */
.page-vip-program-tiers__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 0 60px 0; /* padding-top nhỏ, không dùng var(--header-offset) */
  text-align: center;
  overflow: hidden;
}

.page-vip-program-tiers__hero-image-wrapper {
  width: 100%;
  max-height: 700px; /* Giới hạn chiều cao ảnh hero */
  overflow: hidden;
  position: relative;
}

.page-vip-program-tiers__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: brightness(0.7); /* Làm mờ ảnh để chữ dễ đọc hơn */
}

.page-vip-program-tiers__hero-content {
  position: relative; /* Đảm bảo nội dung nằm trên ảnh nhưng không chồng chéo */
  max-width: 900px;
  margin-top: 40px; /* Đảm bảo ảnh ở trên, nội dung ở dưới */
  z-index: 10;
  padding: 0 20px;
}

.page-vip-program-tiers__main-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem); /* Sử dụng clamp cho kích thước font H1 */
  color: var(--color-gold);
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.2;
}

.page-vip-program-tiers__hero-description {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-vip-program-tiers__cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}

.page-vip-program-tiers__btn-primary,
.page-vip-program-tiers__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-sizing: border-box;
  text-align: center;
  white-space: normal;
  word-wrap: break-word;
}

.page-vip-program-tiers__btn-primary {
  background: var(--color-button-gradient);
  color: var(--color-text-main);
  border: none;
}

.page-vip-program-tiers__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.page-vip-program-tiers__btn-secondary {
  background: none;
  color: var(--color-gold);
  border: 2px solid var(--color-gold);
}

.page-vip-program-tiers__btn-secondary:hover {
  background: var(--color-gold);
  color: var(--color-background);
  transform: translateY(-2px);
}

/* General Section Styling */
.page-vip-program-tiers__introduction-section,
.page-vip-program-tiers__tiers-overview-section,
.page-vip-program-tiers__how-to-advance-section,
.page-vip-program-tiers__exclusive-offers-section,
.page-vip-program-tiers__faq-section,
.page-vip-program-tiers__call-to-action-section {
  padding: 60px 0;
  text-align: center;
}

.page-vip-program-tiers__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  color: var(--color-gold);
  margin-bottom: 30px;
  font-weight: bold;
}

.page-vip-program-tiers__text-block {
  font-size: 1rem;
  color: var(--color-text-secondary);
  max-width: 900px;
  margin: 0 auto 20px auto;
}

/* Tier Grid */
.page-vip-program-tiers__tier-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-vip-program-tiers__tier-card,
.page-vip-program-tiers__offer-card {
  background-color: var(--color-card-bg);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--color-border);
}

.page-vip-program-tiers__tier-card:hover,
.page-vip-program-tiers__offer-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
}

.page-vip-program-tiers__tier-image,
.page-vip-program-tiers__offer-image {
  width: 100%;
  max-width: 250px;
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  object-fit: cover;
  display: block;
}

.page-vip-program-tiers__tier-title,
.page-vip-program-tiers__offer-title {
  font-size: 1.6rem;
  color: var(--color-gold);
  margin-bottom: 15px;
  font-weight: bold;
}

.page-vip-program-tiers__tier-benefits {
  list-style: none;
  padding: 0;
  margin-bottom: 25px;
  color: var(--color-text-secondary);
  flex-grow: 1;
}

.page-vip-program-tiers__tier-benefits li {
  margin-bottom: 10px;
  font-size: 1rem;
}

/* How to Advance Section */
.page-vip-program-tiers__steps-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-vip-program-tiers__step-item {
  padding: 30px;
}

.page-vip-program-tiers__step-title {
  font-size: 1.4rem;
  color: var(--color-gold);
  margin-bottom: 15px;
}

/* Exclusive Offers Section */
.page-vip-program-tiers__offer-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

/* FAQ Section */
.page-vip-program-tiers__faq-list {
  margin-top: 40px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
}

.page-vip-program-tiers__faq-item {
  background-color: var(--color-card-bg);
  border-radius: 10px;
  margin-bottom: 15px;
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.page-vip-program-tiers__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.1rem;
  font-weight: bold;
  color: var(--color-text-main);
  cursor: pointer;
  background-color: var(--color-deep-green);
  border-bottom: 1px solid var(--color-divider);
}

.page-vip-program-tiers__faq-question:hover {
  background-color: var(--color-primary);
}

.page-vip-program-tiers__faq-question::-webkit-details-marker {
  display: none;
}

.page-vip-program-tiers__faq-question::marker {
  display: none;
}

.page-vip-program-tiers__faq-qtext {
  flex-grow: 1;
}

.page-vip-program-tiers__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  margin-left: 15px;
  color: var(--color-gold);
}

.page-vip-program-tiers__faq-item[open] .page-vip-program-tiers__faq-toggle {
  content: '−'; /* Thay đổi dấu khi mở */
}

.page-vip-program-tiers__faq-answer {
  padding: 20px 25px;
  font-size: 1rem;
  color: var(--color-text-secondary);
  background-color: var(--color-card-bg);
}

/* Call to Action Section */
.page-vip-program-tiers__call-to-action-section {
  background-color: var(--color-deep-green);
  padding: 80px 0;
  border-top: 1px solid var(--color-divider);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-vip-program-tiers__hero-content {
    margin-top: 20px;
  }
}

@media (max-width: 768px) {
  .page-vip-program-tiers {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-vip-program-tiers__hero-section {
    padding: 10px 0 40px 0;
  }
  
  .page-vip-program-tiers__hero-image {
    max-height: 400px;
  }

  .page-vip-program-tiers__hero-content {
    margin-top: 20px;
  }

  .page-vip-program-tiers__main-title {
    font-size: clamp(1.8rem, 8vw, 2.5rem);
  }

  .page-vip-program-tiers__hero-description {
    font-size: 1rem;
  }

  .page-vip-program-tiers__cta-buttons {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
  }

  .page-vip-program-tiers__btn-primary,
  .page-vip-program-tiers__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 0.95rem;
  }

  .page-vip-program-tiers__introduction-section,
  .page-vip-program-tiers__tiers-overview-section,
  .page-vip-program-tiers__how-to-advance-section,
  .page-vip-program-tiers__exclusive-offers-section,
  .page-vip-program-tiers__faq-section,
  .page-vip-program-tiers__call-to-action-section {
    padding: 40px 0;
  }

  .page-vip-program-tiers__section-title {
    font-size: clamp(1.5rem, 6vw, 2.2rem);
    margin-bottom: 20px;
  }

  .page-vip-program-tiers__text-block {
    padding: 0 15px;
  }

  .page-vip-program-tiers__tier-grid,
  .page-vip-program-tiers__steps-list,
  .page-vip-program-tiers__offer-cards {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 0 15px;
  }

  .page-vip-program-tiers__tier-card,
  .page-vip-program-tiers__step-item,
  .page-vip-program-tiers__offer-card {
    padding: 25px;
  }

  .page-vip-program-tiers__tier-image,
  .page-vip-program-tiers__offer-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-vip-program-tiers__faq-list {
    padding: 0 15px;
  }

  .page-vip-program-tiers__faq-question {
    padding: 15px 20px;
    font-size: 1rem;
  }

  .page-vip-program-tiers__faq-answer {
    padding: 15px 20px;
    font-size: 0.95rem;
  }

  /* Responsive image rules for all images in content area */
  .page-vip-program-tiers img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  /* All containers that might hold images or other content */
  .page-vip-program-tiers__section,
  .page-vip-program-tiers__card,
  .page-vip-program-tiers__container,
  .page-vip-program-tiers__hero-section,
  .page-vip-program-tiers__introduction-section,
  .page-vip-program-tiers__tiers-overview-section,
  .page-vip-program-tiers__how-to-advance-section,
  .page-vip-program-tiers__exclusive-offers-section,
  .page-vip-program-tiers__faq-section,
  .page-vip-program-tiers__call-to-action-section {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important; /* Prevent horizontal scroll */
  }

  /* Ensure padding for content sections */
  .page-vip-program-tiers__introduction-section .page-vip-program-tiers__container,
  .page-vip-program-tiers__tiers-overview-section .page-vip-program-tiers__container,
  .page-vip-program-tiers__how-to-advance-section .page-vip-program-tiers__container,
  .page-vip-program-tiers__exclusive-offers-section .page-vip-program-tiers__container,
  .page-vip-program-tiers__faq-section .page-vip-program-tiers__container,
  .page-vip-program-tiers__call-to-action-section .page-vip-program-tiers__container {
    padding-left: 15px !important;
    padding-right: 15px !important;
  }
}