.page-khuyen-mai {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-main, #1F2D3D);
  background-color: var(--background-color, #F4F7FB);
}

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

.page-khuyen-mai__dark-bg {
  background-color: #2F6BFF; /* Main Brand Color */
  color: #ffffff;
}

.page-khuyen-mai__light-bg {
  background-color: #F4F7FB; /* Background Color */
  color: #1F2D3D;
}

.page-khuyen-mai__medium-bg {
  background-color: #6FA3FF; /* Auxiliary Brand Color */
  color: #1F2D3D;
}

.page-khuyen-mai__hero-section {
  padding-top: 10px; /* Small top padding, shared.css body handles main offset */
  text-align: center;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 500px;
}

.page-khuyen-mai__hero-content-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 20px;
}

.page-khuyen-mai__hero-image-container {
  width: 100%;
  margin-bottom: 20px;
}

.page-khuyen-mai__hero-image {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-khuyen-mai__hero-text-content {
  z-index: 1;
  max-width: 800px;
  margin-bottom: 30px;
}

.page-khuyen-mai__main-title {
  font-size: clamp(2.5rem, 5vw, 3.2rem);
  font-weight: bold;
  margin-bottom: 15px;
  color: #ffffff;
  line-height: 1.2;
}

.page-khuyen-mai__subtitle {
  font-size: 1.1rem;
  margin-bottom: 30px;
  color: #f0f8ff;
}

.page-khuyen-mai__cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
  width: 100%;
  max-width: 600px;
}

.page-khuyen-mai__btn-primary,
.page-khuyen-mai__btn-secondary {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
  text-align: center;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-khuyen-mai__btn-primary {
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
  color: #ffffff;
  border: 2px solid transparent;
  box-shadow: 0 4px 10px rgba(47, 107, 255, 0.4);
}

.page-khuyen-mai__btn-primary:hover {
  background: linear-gradient(180deg, #2F6BFF 0%, #4A8BFF 100%);
  box-shadow: 0 6px 15px rgba(47, 107, 255, 0.6);
}

.page-khuyen-mai__btn-secondary {
  background-color: #ffffff;
  color: #2F6BFF;
  border: 2px solid #2F6BFF;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.page-khuyen-mai__btn-secondary:hover {
  background-color: #f0f8ff;
  color: #1a4eaf;
  border-color: #1a4eaf;
}

.page-khuyen-mai__section-title {
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: bold;
  text-align: center;
  margin-bottom: 40px;
  color: var(--text-main, #1F2D3D);
}

.page-khuyen-mai__overview-section .page-khuyen-mai__section-title,
.page-khuyen-mai__how-to-claim-section .page-khuyen-mai__section-title,
.page-khuyen-mai__faq-section .page-khuyen-mai__section-title {
  color: #1F2D3D;
}

.page-khuyen-mai__promo-types-section .page-khuyen-mai__section-title {
  color: #1F2D3D;
}

.page-khuyen-mai__why-choose-section .page-khuyen-mai__section-title,
.page-khuyen-mai__conclusion-section .page-khuyen-mai__section-title {
  color: #ffffff;
}

.page-khuyen-mai__section-description {
  text-align: center;
  font-size: 1.05rem;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  color: inherit;
}

.page-khuyen-mai__sub-title {
  font-size: 1.6rem;
  font-weight: bold;
  margin-top: 30px;
  margin-bottom: 15px;
  color: inherit;
}

.page-khuyen-mai__mini-title {
  font-size: 1.3rem;
  font-weight: bold;
  margin-top: 20px;
  margin-bottom: 10px;
  color: inherit;
}

.page-khuyen-mai__content-area p,
.page-khuyen-mai__content-area li {
  margin-bottom: 10px;
  color: inherit;
}

.page-khuyen-mai__list,
.page-khuyen-mai__ordered-list {
  list-style-position: inside;
  margin-bottom: 20px;
  padding-left: 20px;
}

.page-khuyen-mai__list li,
.page-khuyen-mai__ordered-list li {
  margin-bottom: 8px;
}

.page-khuyen-mai__promo-types-section {
  padding: 60px 0;
}

.page-khuyen-mai__guide-box {
  background-color: #ffffff;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  margin-bottom: 50px;
}

.page-khuyen-mai__guide-grid {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.page-khuyen-mai__guide-card {
  flex: 0 0 calc(20% - 16px);
  max-width: calc(20% - 16px);
  position: relative;
  text-align: center;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-khuyen-mai__guide-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.page-khuyen-mai__guide-card--pos-1,
.page-khuyen-mai__guide-card--pos-5 {
  padding-top: 50px;
}

.page-khuyen-mai__guide-card--pos-2,
.page-khuyen-mai__guide-card--pos-4 {
  padding-top: 25px;
}

.page-khuyen-mai__guide-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.page-khuyen-mai__guide-image {
  width: 100%;
  height: auto;
  aspect-ratio: 250 / 350;
  object-fit: contain;
  display: block;
}

.page-khuyen-mai__how-to-claim-section {
  padding: 60px 0;
}

.page-khuyen-mai__image-content-block {
  display: flex;
  align-items: center;
  gap: 40px;
  margin-top: 40px;
}

.page-khuyen-mai__image-content-block--reverse {
  flex-direction: row-reverse;
}

.page-khuyen-mai__content-image {
  flex: 1;
  max-width: 50%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.page-khuyen-mai__content-area {
  flex: 1;
}

.page-khuyen-mai__why-choose-section {
  padding: 60px 0;
}

.page-khuyen-mai__faq-section {
  padding: 60px 0;
}

.page-khuyen-mai__faq-list {
  max-width: 900px;
  margin: 40px auto 0;
}

.page-khuyen-mai__faq-item {
  background-color: #ffffff;
  border: 1px solid #D6E2FF;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.page-khuyen-mai__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.15rem;
  font-weight: bold;
  color: #1F2D3D;
  cursor: pointer;
  background-color: #ffffff;
  transition: background-color 0.3s ease;
  list-style: none;
}

.page-khuyen-mai__faq-question::-webkit-details-marker {
  display: none;
}

.page-khuyen-mai__faq-item[open] .page-khuyen-mai__faq-question {
  background-color: #F4F7FB;
}

.page-khuyen-mai__faq-question:hover {
  background-color: #F4F7FB;
}

.page-khuyen-mai__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  transition: transform 0.3s ease;
}

.page-khuyen-mai__faq-item[open] .page-khuyen-mai__faq-toggle {
  transform: rotate(45deg);
}

.page-khuyen-mai__faq-answer {
  padding: 0 25px 20px;
  font-size: 1rem;
  color: #333333;
  line-height: 1.7;
}

.page-khuyen-mai__conclusion-section {
  padding: 60px 0;
  text-align: center;
}

/* General image and button responsive styles */
.page-khuyen-mai img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-khuyen-mai a[class*="btn"],
.page-khuyen-mai a[class*="button"] {
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-khuyen-mai__cta-buttons,
.page-khuyen-mai__button-group,
.page-khuyen-mai__btn-container {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

/* Media Queries for Mobile (max-width: 768px) */
@media (max-width: 768px) {
  .page-khuyen-mai__hero-section {
    padding-top: 10px !important;
    min-height: auto;
  }

  .page-khuyen-mai__main-title {
    font-size: 2rem;
  }

  .page-khuyen-mai__subtitle {
    font-size: 0.95rem;
  }

  .page-khuyen-mai__cta-buttons {
    flex-direction: column;
    gap: 10px;
    padding: 0 15px;
  }

  .page-khuyen-mai__btn-primary,
  .page-khuyen-mai__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
  }

  .page-khuyen-mai__container {
    padding: 15px;
  }

  .page-khuyen-mai__section-title {
    font-size: 1.8rem;
    margin-bottom: 25px;
  }

  .page-khuyen-mai__section-description {
    font-size: 0.95rem;
    margin-bottom: 20px;
  }

  .page-khuyen-mai__sub-title {
    font-size: 1.4rem;
    margin-top: 25px;
    margin-bottom: 10px;
  }

  .page-khuyen-mai__mini-title {
    font-size: 1.1rem;
    margin-top: 15px;
    margin-bottom: 8px;
  }

  .page-khuyen-mai__guide-box {
    padding: 20px;
  }

  .page-khuyen-mai__guide-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 15px;
  }

  .page-khuyen-mai__guide-card {
    padding-top: 0 !important; /* Reset padding-top for mobile grid */
    flex: auto;
    max-width: 100%; /* Ensure cards don't exceed container */
  }

  .page-khuyen-mai__guide-card--pos-1,
  .page-khuyen-mai__guide-card--pos-2 {
    grid-column: span 3;
  }

  .page-khuyen-mai__guide-card--pos-3,
  .page-khuyen-mai__guide-card--pos-4,
  .page-khuyen-mai__guide-card--pos-5 {
    grid-column: span 2;
  }

  .page-khuyen-mai__image-content-block {
    flex-direction: column;
    gap: 20px;
  }

  .page-khuyen-mai__image-content-block--reverse {
    flex-direction: column;
  }

  .page-khuyen-mai__content-image {
    max-width: 100%;
    width: 100% !important;
    flex: none;
  }

  .page-khuyen-mai img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-khuyen-mai__faq-list {
    margin-top: 25px;
  }

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

  .page-khuyen-mai__faq-answer {
    padding: 0 20px 15px;
    font-size: 0.95rem;
  }

  .page-khuyen-mai__section {
    padding: 40px 0;
  }

  .page-khuyen-mai__content-area,
  .page-khuyen-mai__text-block,
  .page-khuyen-mai__card,
  .page-khuyen-mai__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-khuyen-mai__hero-content-wrapper {
    padding: 0;
  }

  .page-khuyen-mai__hero-text-content {
    padding: 0 15px;
  }
}