/* style/vip-program.css */
/* body đã padding-top: var(--header-offset)；trang này không được viết lại biến đó */

:root {
  --bk8-primary-color: #11A84E;
  --bk8-secondary-color: #22C768;
  --bk8-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --bk8-card-bg: #11271B;
  --bk8-background: #08160F;
  --bk8-text-main: #F2FFF6;
  --bk8-text-secondary: #A7D9B8;
  --bk8-border: #2E7A4E;
  --bk8-glow: #57E38D;
  --bk8-gold: #F2C144;
  --bk8-divider: #1E3A2A;
  --bk8-deep-green: #0A4B2C;
}

.page-vip-program {
  font-family: 'Arial', sans-serif;
  color: var(--bk8-text-main); /* Mặc định chữ sáng trên nền tối */
  background-color: var(--bk8-background);
}

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

.page-vip-program__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: 10px; /* Nhỏ thôi, body đã có padding-top */
  padding-bottom: 60px;
  text-align: center;
  overflow: hidden;
}

.page-vip-program__hero-image-wrapper {
  width: 100%;
  max-height: 70vh;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

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

.page-vip-program__hero-content {
  position: relative;
  z-index: 10;
  padding: 40px 20px;
  max-width: 900px;
  margin-top: -150px; /* Kéo nội dung lên gần ảnh hơn */
  background-color: rgba(8, 22, 15, 0.7); /* Nền tối nhẹ cho chữ */
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.page-vip-program__main-title {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--bk8-text-main);
  margin-bottom: 20px;
  font-size: clamp(2.2rem, 4vw + 1rem, 3.5rem);
}

.page-vip-program__description {
  font-size: 1.15rem;
  color: var(--bk8-text-secondary);
  margin-bottom: 30px;
  line-height: 1.6;
}

.page-vip-program__section {
  padding: 60px 0;
  text-align: center;
}

.page-vip-program__section-title {
  font-size: 2.5rem;
  color: var(--bk8-text-main);
  margin-bottom: 40px;
  font-weight: 700;
}

.page-vip-program__text-block {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--bk8-text-secondary);
  max-width: 900px;
  margin: 0 auto 20px auto;
}

.page-vip-program__card {
  background-color: var(--bk8-card-bg);
  border-radius: 15px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
  color: var(--bk8-text-main);
  border: 1px solid var(--bk8-border);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-vip-program__card-image {
  width: 100%;
  height: auto;
  border-radius: 10px;
  margin-bottom: 20px;
  object-fit: cover;
}

.page-vip-program__card-icon {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin-bottom: 20px;
}

.page-vip-program__card-title {
  font-size: 1.5rem;
  color: var(--bk8-gold);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-vip-program__card-text {
  font-size: 0.95rem;
  color: var(--bk8-text-secondary);
  line-height: 1.6;
  flex-grow: 1;
}

.page-vip-program__card-features {
  list-style: none;
  padding: 0;
  margin: 20px 0 0 0;
  text-align: left;
  width: 100%;
}

.page-vip-program__card-features li {
  color: var(--bk8-text-secondary);
  margin-bottom: 8px;
  font-size: 0.9rem;
  position: relative;
  padding-left: 20px;
}

.page-vip-program__card-features li::before {
  content: '✅';
  position: absolute;
  left: 0;
  color: var(--bk8-primary-color);
}

.page-vip-program__btn-primary,
.page-vip-program__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.3s ease;
  cursor: pointer;
  text-align: center;
  box-sizing: border-box;
}

.page-vip-program__btn-primary {
  background: var(--bk8-button-gradient);
  color: var(--bk8-text-main);
  border: none;
  box-shadow: 0 5px 15px rgba(34, 199, 104, 0.4);
}

.page-vip-program__btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
}

.page-vip-program__btn-secondary {
  background-color: transparent;
  color: var(--bk8-primary-color);
  border: 2px solid var(--bk8-primary-color);
}

.page-vip-program__btn-secondary:hover {
  background-color: var(--bk8-primary-color);
  color: var(--bk8-text-main);
}

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

.page-vip-program__tier-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 25px;
}

.page-vip-program__note {
  font-style: italic;
  margin-top: 30px;
  color: var(--bk8-text-secondary);
}

.page-vip-program__dark-section {
  background-color: var(--bk8-deep-green);
  color: var(--bk8-text-main);
}

.page-vip-program__dark-section .page-vip-program__section-title {
  color: var(--bk8-text-main);
}

.page-vip-program__dark-section .page-vip-program__card {
  background-color: var(--bk8-card-bg);
  border-color: var(--bk8-divider);
}

.page-vip-program__privilege-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
  margin-top: 40px;
}

.page-vip-program__privilege-item {
  padding: 25px;
  text-align: left;
}

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

.page-vip-program__step-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  padding: 30px;
}

.page-vip-program__faq-list {
  margin-top: 40px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
}

.page-vip-program__faq-item {
  margin-bottom: 15px;
  border: 1px solid var(--bk8-border);
  border-radius: 10px;
  background-color: var(--bk8-card-bg);
  overflow: hidden;
}

.page-vip-program__faq-item[open] .page-vip-program__faq-question {
  background-color: var(--bk8-deep-green);
}

.page-vip-program__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--bk8-text-main);
  cursor: pointer;
  transition: background-color 0.3s ease;
  list-style: none; /* Loại bỏ marker mặc định của summary */
}

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

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

.page-vip-program__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  margin-left: 15px;
  color: var(--bk8-gold);
}

.page-vip-program__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 1rem;
  color: var(--bk8-text-secondary);
  line-height: 1.7;
}

.page-vip-program__final-cta {
  background-color: var(--bk8-deep-green);
  padding: 80px 0;
}

.page-vip-program__final-cta .page-vip-program__section-title {
  color: var(--bk8-text-main);
}

.page-vip-program__final-cta .page-vip-program__text-block {
  margin-bottom: 40px;
}

/* =======================================
   Responsive Design
   ======================================= */

/* Desktop */
@media (min-width: 1024px) {
  .page-vip-program__hero-content {
    margin-top: -200px;
  }
}

/* Tablet and smaller desktops */
@media (max-width: 1023px) {
  .page-vip-program__main-title {
    font-size: clamp(2rem, 5vw, 3rem);
  }
  .page-vip-program__section-title {
    font-size: 2rem;
  }
  .page-vip-program__hero-content {
    margin-top: -100px;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .page-vip-program__hero-content {
    margin-top: -50px; /* Điều chỉnh vị trí nội dung trên di động */
    padding: 20px;
  }

  .page-vip-program__main-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
  }

  .page-vip-program__description {
    font-size: 1rem;
    margin-bottom: 20px;
  }

  .page-vip-program__section {
    padding: 40px 0;
  }

  .page-vip-program__section-title {
    font-size: 1.8rem;
    margin-bottom: 30px;
  }

  .page-vip-program__text-block {
    font-size: 0.95rem;
  }

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

  .page-vip-program__card-title {
    font-size: 1.3rem;
  }

  .page-vip-program__card-text {
    font-size: 0.9rem;
  }

  .page-vip-program__btn-primary,
  .page-vip-program__btn-secondary {
    padding: 12px 20px;
    font-size: 0.9rem;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    margin-bottom: 10px;
  }
  
  /* Đảm bảo các nhóm nút cũng responsive */
  .page-vip-program__hero-content > a,
  .page-vip-program__join-steps .page-vip-program__btn-secondary {
    width: 100%;
    max-width: 100%;
  }

  .page-vip-program__tier-grid,
  .page-vip-program__privilege-grid,
  .page-vip-program__join-steps {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-vip-program__hero-image,
  .page-vip-program__card-image,
  .page-vip-program__card-icon {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-vip-program__section,
  .page-vip-program__card,
  .page-vip-program__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  
  .page-vip-program__hero-section {
    padding-top: 10px !important; /* body đã có padding-top, chỉ cần 10px cho phần này */
    padding-left: 0;
    padding-right: 0;
  }

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

  .page-vip-program__faq-answer {
    padding: 0 20px 15px 20px;
    font-size: 0.9rem;
  }
}