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

/* body đã padding-top: var(--header-offset); trang này không cần thêm */
.page-vip-club {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-main); /* Mặc định chữ sáng trên nền tối */
  background-color: var(--background-color);
}

.page-vip-club__dark-bg {
  background-color: var(--background-color);
  color: var(--text-main);
}

.page-vip-club__light-bg {
  background-color: var(--text-main); /* Sử dụng màu sáng cho nền */
  color: var(--deep-green-color); /* Chữ tối trên nền sáng */
}

.page-vip-club__contrast-fix {
  background: var(--text-main) !important;
  color: var(--deep-green-color) !important;
  border: 1px solid var(--border-color) !important;
}

.page-vip-club__text-contrast-fix {
  color: var(--deep-green-color) !important;
  text-shadow: none !important;
}

.page-vip-club__content-area {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  box-sizing: border-box;
}

.page-vip-club__section-title {
  font-size: clamp(2em, 4vw, 2.8em);
  font-weight: 700;
  text-align: center;
  margin-bottom: 20px;
  color: var(--text-main);
  line-height: 1.2;
}

.page-vip-club__section-description {
  font-size: clamp(1em, 2vw, 1.2em);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px;
  color: var(--text-secondary);
}

.page-vip-club__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: 10px; /* Nhỏ gọn, không dùng var(--header-offset) */
  padding-bottom: 60px;
  overflow: hidden;
  text-align: center;
}

.page-vip-club__hero-image-wrapper {
  width: 100%;
  max-height: 700px; /* Giới hạn chiều cao của ảnh */
  overflow: hidden;
  position: relative;
  z-index: 0;
}

.page-vip-club__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  object-position: center;
  min-height: 300px;
}

.page-vip-club__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: 20px;
  margin-top: -150px; /* Đẩy nội dung lên trên ảnh một chút */
  background-color: rgba(8, 22, 15, 0.85); /* Nền tối nhẹ để chữ nổi bật */
  border-radius: 10px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

.page-vip-club__main-title {
  font-size: clamp(2.5em, 5vw, 3.5em);
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 15px;
  line-height: 1.1;
}

.page-vip-club__intro-text {
  font-size: clamp(1.1em, 2.2vw, 1.4em);
  color: var(--text-secondary);
  margin-bottom: 30px;
}

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

.page-vip-club__btn-primary,
.page-vip-club__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1em;
  transition: all 0.3s ease;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-vip-club__btn-primary {
  background: var(--button-gradient);
  color: #ffffff;
  border: 2px solid transparent;
}

.page-vip-club__btn-primary:hover {
  box-shadow: 0 0 15px var(--glow-color);
  transform: translateY(-3px);
}

.page-vip-club__btn-secondary {
  background: none;
  color: var(--text-main);
  border: 2px solid var(--border-color);
}

.page-vip-club__btn-secondary:hover {
  background: var(--border-color);
  color: #ffffff;
  transform: translateY(-3px);
}

.page-vip-club__large-button {
  padding: 18px 40px;
  font-size: 1.2em;
}

.page-vip-club__benefits-grid,
.page-vip-club__steps-grid,
.page-vip-club__experience-grid,
.page-vip-club__security-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-vip-club__card {
  background-color: var(--card-bg);
  border-radius: 12px;
  padding: 25px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color);
  color: var(--text-main);
}

.page-vip-club__card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.page-vip-club__card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  min-width: 200px;
  min-height: 200px;
}

.page-vip-club__card-title {
  font-size: 1.5em;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--text-main);
}

.page-vip-club__card-text {
  font-size: 1em;
  color: var(--text-secondary);
}

.page-vip-club__cta-center {
  text-align: center;
  margin-top: 50px;
}

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

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

.page-vip-club__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  font-size: 1.2em;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-main);
  background-color: var(--deep-green-color);
  border-bottom: 1px solid var(--divider-color);
}

.page-vip-club__faq-item[open] > .page-vip-club__faq-question {
  border-bottom: 1px solid var(--divider-color);
}

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

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

.page-vip-club__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 10px;
  color: var(--gold-color);
}

.page-vip-club__faq-answer {
  padding: 20px;
  font-size: 1em;
  color: var(--text-secondary);
}

.page-vip-club__faq-answer p {
  margin: 0;
}

/* Media Queries for Responsiveness */
@media (max-width: 1024px) {
  .page-vip-club__hero-content {
    margin-top: -100px;
  }
}

@media (max-width: 768px) {
  .page-vip-club__hero-section {
    padding-bottom: 40px;
  }

  .page-vip-club__hero-image {
    height: 400px;
  }

  .page-vip-club__hero-content {
    margin-top: -80px;
    width: calc(100% - 30px);
    padding: 15px;
  }

  .page-vip-club__main-title {
    font-size: clamp(2em, 8vw, 2.5em);
  }

  .page-vip-club__intro-text {
    font-size: clamp(1em, 4vw, 1.1em);
  }

  .page-vip-club__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .page-vip-club__btn-primary,
  .page-vip-club__btn-secondary {
    width: 100%;
    padding: 12px 20px;
    font-size: 1em;
  }

  .page-vip-club__section-title {
    font-size: clamp(1.8em, 6vw, 2.2em);
  }

  .page-vip-club__section-description {
    font-size: clamp(0.9em, 3.5vw, 1em);
    margin-bottom: 30px;
  }

  .page-vip-club__benefits-grid,
  .page-vip-club__steps-grid,
  .page-vip-club__experience-grid,
  .page-vip-club__security-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-vip-club__card {
    padding: 20px;
  }

  .page-vip-club__card-image {
    height: 180px;
  }

  .page-vip-club__card-title {
    font-size: 1.3em;
  }

  .page-vip-club__faq-question {
    font-size: 1.1em;
    padding: 15px;
  }

  .page-vip-club__faq-answer {
    padding: 15px;
  }

  /* Mobile specific overrides for images and containers */
  .page-vip-club img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-vip-club__section,
  .page-vip-club__card,
  .page-vip-club__container,
  .page-vip-club__content-area {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }

  .page-vip-club__hero-section {
    padding-top: 10px !important; /* body đã承担 --header-offset */
    padding-left: 0 !important;
    padding-right: 0 !important;
  }

  .page-vip-club__cta-button,
  .page-vip-club__btn-primary,
  .page-vip-club__btn-secondary,
  .page-vip-club a[class*="button"],
  .page-vip-club a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-vip-club__cta-buttons,
  .page-vip-club__button-group,
  .page-vip-club__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
    flex-direction: column; /* Thêm để đảm bảo các nút xếp chồng */
    overflow: hidden !important;
  }
}