/* style/promotions.css */
:root {
  --primary-color: #FFD700;
  --secondary-color: #8B0000;
  --text-light: #ffffff;
  --text-dark: #333333;
  --bg-dark: #000000;
  --bg-light: #f9f9f9;
  --border-color: #333333;
  --card-bg-dark: rgba(255, 255, 255, 0.1);
  --card-bg-light: #ffffff;
}

.page-promotions {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--text-light); /* Body background is dark, so use light text */
  background-color: var(--bg-dark);
}

/* Fixed header padding */
.page-promotions__hero-section {
  padding-top: 120px; /* Desktop: Adjust based on fixed header height */
}

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

.page-promotions__main-title,
.page-promotions__section-title {
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 30px;
  font-size: 2.8em;
  font-weight: bold;
  line-height: 1.2;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-promotions__section-title {
  font-size: 2.2em;
  margin-top: 60px;
}

.page-promotions__hero-description,
.page-promotions__section-description {
  font-size: 1.1em;
  text-align: center;
  max-width: 900px;
  margin: 0 auto 40px auto;
  color: var(--text-light);
}

.page-promotions__dark-bg {
  background-color: var(--bg-dark);
  color: var(--text-light);
  padding: 80px 0;
}

.page-promotions__light-bg {
  background-color: var(--bg-light);
  color: var(--text-dark);
  padding: 80px 0;
}

.page-promotions__light-bg .page-promotions__section-title {
  color: var(--secondary-color);
}

.page-promotions__light-bg .page-promotions__section-description {
  color: var(--text-dark);
}

.page-promotions__hero-cta {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
}

.page-promotions__cta-button {
  display: inline-block;
  padding: 15px 35px;
  border-radius: 8px;
  font-size: 1.1em;
  font-weight: bold;
  text-decoration: none;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  border: none;
  cursor: pointer;
  white-space: nowrap;
}

.page-promotions__btn-primary {
  background: var(--primary-color);
  color: var(--text-dark);
}

.page-promotions__btn-primary:hover {
  background: #e6c200;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

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

.page-promotions__btn-secondary:hover {
  background: rgba(255, 215, 0, 0.1);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.page-promotions__promo-grid,
.page-promotions__steps-grid,
.page-promotions__benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-promotions__promo-card,
.page-promotions__step-item,
.page-promotions__benefit-item {
  background: var(--card-bg-light);
  color: var(--text-dark);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color);
}

.page-promotions__dark-bg .page-promotions__promo-card,
.page-promotions__dark-bg .page-promotions__step-item,
.page-promotions__dark-bg .page-promotions__benefit-item {
  background: var(--card-bg-dark);
  color: var(--text-light);
  border: 1px solid rgba(255, 215, 0, 0.2);
}

.page-promotions__promo-card:hover,
.page-promotions__step-item:hover,
.page-promotions__benefit-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.page-promotions__promo-image,
.page-promotions__benefit-icon {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  object-fit: cover;
}

.page-promotions__card-title,
.page-promotions__step-title,
.page-promotions__benefit-title {
  font-size: 1.5em;
  font-weight: bold;
  color: var(--secondary-color);
  margin-bottom: 15px;
  line-height: 1.3;
}

.page-promotions__dark-bg .page-promotions__card-title,
.page-promotions__dark-bg .page-promotions__step-title,
.page-promotions__dark-bg .page-promotions__benefit-title {
  color: var(--primary-color);
}

.page-promotions__card-text,
.page-promotions__step-text,
.page-promotions__benefit-text {
  font-size: 1em;
  line-height: 1.7;
  margin-bottom: 20px;
}

.page-promotions__card-button,
.page-promotions__step-button {
  display: inline-block;
  padding: 10px 25px;
  border-radius: 6px;
  font-size: 0.95em;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  border: none;
  cursor: pointer;
}

.page-promotions__card-link {
  color: var(--secondary-color);
  text-decoration: underline;
  font-weight: bold;
  transition: color 0.3s ease;
}

.page-promotions__dark-bg .page-promotions__card-link {
  color: var(--primary-color);
}

.page-promotions__card-link:hover {
  color: var(--primary-color);
}

.page-promotions__step-icon {
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: var(--text-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8em;
  font-weight: bold;
  margin: 0 auto 20px auto;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-promotions__terms-list {
  list-style: none;
  padding: 0;
  margin: 50px auto 0 auto;
  max-width: 900px;
}

.page-promotions__terms-list li {
  background: var(--card-bg-light);
  color: var(--text-dark);
  padding: 20px;
  margin-bottom: 15px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  text-align: left;
  border-left: 5px solid var(--primary-color);
}

.page-promotions__dark-bg .page-promotions__terms-list li {
  background: var(--card-bg-dark);
  color: var(--text-light);
  border-left-color: var(--primary-color);
}

.page-promotions__terms-list-title {
  font-size: 1.2em;
  font-weight: bold;
  color: var(--secondary-color);
  margin-bottom: 5px;
}

.page-promotions__dark-bg .page-promotions__terms-list-title {
  color: var(--primary-color);
}

.page-promotions__faq-list {
  max-width: 900px;
  margin: 50px auto 0 auto;
}

/* FAQ容器样式 */
.page-promotions__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
}

/* FAQ默认状态 - 答案隐藏 */
.page-promotions__faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
  padding: 0 20px;
  opacity: 0;
  background: var(--card-bg-light);
  color: var(--text-dark);
}

/* FAQ展开 trạng thái - 🚨 Sử dụng!important và đủ lớn max-height để đảm bảo có thể mở rộng */
.page-promotions__faq-item.active .page-promotions__faq-answer {
  max-height: 2000px !important; /* 🚨 Sử dụng!important để đảm bảo độ ưu tiên, giá trị đủ lớn để chứa bất kỳ nội dung nào */
  padding: 20px !important;
  opacity: 1;
  background: var(--card-bg-light);
  border-radius: 0 0 8px 8px;
}

.page-promotions__dark-bg .page-promotions__faq-item.active .page-promotions__faq-answer {
  background: var(--card-bg-dark);
}

/* Vấn đề kiểu dáng */
.page-promotions__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  background: var(--card-bg-light);
  color: var(--text-dark);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  position: relative;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.page-promotions__dark-bg .page-promotions__faq-question {
  background: var(--card-bg-dark);
  color: var(--text-light);
  border-color: rgba(255, 215, 0, 0.2);
}

.page-promotions__faq-question:hover {
  background: #f0f0f0;
  border-color: #d0d0d0;
}

.page-promotions__dark-bg .page-promotions__faq-question:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--primary-color);
}

.page-promotions__faq-question h3 {
  margin: 0;
  padding: 0;
  flex: 1;
  font-size: 1.15em;
  font-weight: 600;
  line-height: 1.5;
  pointer-events: none; /* Ngăn chặn thẻ h3 chặn sự kiện nhấp */
  color: var(--secondary-color);
}

.page-promotions__dark-bg .page-promotions__faq-question h3 {
  color: var(--primary-color);
}

/* Chuyển đổi biểu tượng */
.page-promotions__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  line-height: 1;
  color: var(--secondary-color);
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
  margin-left: 15px;
  pointer-events: none; /* Ngăn chặn biểu tượng chặn sự kiện nhấp */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
}

.page-promotions__dark-bg .page-promotions__faq-toggle {
  color: var(--primary-color);
}

.page-promotions__faq-item.active .page-promotions__faq-toggle {
  transform: rotate(45deg); /* Hoặc '−' */
  color: var(--primary-color);
}

.page-promotions__cta-final {
  margin-top: 50px;
  text-align: center;
}

.highlight-text {
  color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-promotions__main-title {
    font-size: 2.5em;
  }
  .page-promotions__section-title {
    font-size: 2em;
  }
}

@media (max-width: 768px) {
  .page-promotions__hero-section {
    padding-top: 100px !important; /* Mobile: Adjust based on fixed header height */
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-promotions__dark-bg,
  .page-promotions__light-bg {
    padding: 50px 0;
  }

  .page-promotions__container {
    padding: 0 15px;
  }

  .page-promotions__main-title {
    font-size: 2em;
    margin-bottom: 20px;
  }

  .page-promotions__section-title {
    font-size: 1.8em;
    margin-top: 40px;
    margin-bottom: 25px;
  }

  .page-promotions__hero-description,
  .page-promotions__section-description {
    font-size: 1em;
    margin-bottom: 30px;
  }

  .page-promotions__hero-cta {
    flex-direction: column;
    gap: 15px;
  }

  .page-promotions__cta-button {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 12px 25px;
    font-size: 1em;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-promotions__promo-grid,
  .page-promotions__steps-grid,
  .page-promotions__benefits-grid {
    grid-template-columns: 1fr;
    gap: 25px;
    margin-top: 30px;
  }

  .page-promotions__promo-card,
  .page-promotions__step-item,
  .page-promotions__benefit-item {
    padding: 25px;
    border-radius: 8px;
  }

  .page-promotions__promo-image,
  .page-promotions__benefit-icon {
    max-width: 100% !important;
    height: auto !important;
    width: 100% !important;
    border-radius: 6px;
  }

  .page-promotions__card-title,
  .page-promotions__step-title,
  .page-promotions__benefit-title {
    font-size: 1.3em;
  }

  .page-promotions__card-text,
  .page-promotions__step-text,
  .page-promotions__benefit-text {
    font-size: 0.95em;
  }

  .page-promotions__card-button,
  .page-promotions__step-button {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 10px 20px;
    font-size: 0.9em;
  }

  .page-promotions__terms-list {
    margin-top: 30px;
  }

  .page-promotions__terms-list li {
    padding: 15px;
    margin-bottom: 10px;
    font-size: 0.95em;
  }

  .page-promotions__terms-list-title {
    font-size: 1.1em;
  }

  .page-promotions__faq-list {
    margin-top: 30px;
  }

  .page-promotions__faq-question {
    padding: 15px;
    flex-wrap: wrap;
  }
  
  .page-promotions__faq-question h3 {
    font-size: 1em;
    margin-bottom: 0;
    width: calc(100% - 40px);
  }
  
  .page-promotions__faq-toggle {
    margin-left: 10px;
    width: 24px;
    height: 24px;
    font-size: 20px;
  }
  
  .page-promotions__faq-answer {
    padding: 0 15px;
  }
  
  .page-promotions__faq-item.active .page-promotions__faq-answer {
    padding: 15px !important;
  }
}

@media (max-width: 480px) {
  .page-promotions__main-title {
    font-size: 1.8em;
  }
  .page-promotions__section-title {
    font-size: 1.6em;
  }
  .page-promotions__hero-description,
  .page-promotions__section-description {
    font-size: 0.9em;
  }
  .page-promotions__cta-button {
    font-size: 0.9em;
    padding: 10px 20px;
  }
}