.page-khuyen-mai__hero-section {
  padding-top: 10px;
  padding-bottom: 60px;
  background-color: #f0f8ff; /* Light background for hero section */
}

.page-khuyen-mai__hero-container {
  max-width: 1170px;
  margin: 0 auto;
  padding: 40px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 24px;
}

.page-khuyen-mai__hero-content {
  color: #333333;
}

.page-khuyen-mai__main-title {
  font-size: clamp(2.2em, 4vw, 3.2em);
  color: #26A9E0;
  margin-bottom: 20px;
  line-height: 1.2;
  font-weight: 700;
}

.page-khuyen-mai__description {
  font-size: 1.1em;
  line-height: 1.6;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

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

.page-khuyen-mai__btn-primary,
.page-khuyen-mai__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1.1em;
  text-decoration: none;
  transition: all 0.3s ease;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
  box-sizing: border-box;
  max-width: 100%;
}

.page-khuyen-mai__btn-primary {
  background-color: #26A9E0;
  color: #FFFFFF;
  border: 2px solid #26A9E0;
}

.page-khuyen-mai__btn-primary:hover {
  background-color: #1e87b7;
  border-color: #1e87b7;
}

.page-khuyen-mai__btn-secondary {
  background-color: #FFFFFF;
  color: #26A9E0;
  border: 2px solid #26A9E0;
}

.page-khuyen-mai__btn-secondary:hover {
  background-color: #e0f2f7;
  color: #1e87b7;
  border-color: #1e87b7;
}

.page-khuyen-mai__intro-section {
  padding: 60px 0;
  background-color: #FFFFFF;
  color: #333333;
}

.page-khuyen-mai__section-title {
  font-size: clamp(1.8em, 3vw, 2.8em);
  color: #26A9E0;
  text-align: center;
  margin-bottom: 30px;
  font-weight: 700;
}

.page-khuyen-mai__intro-text {
  font-size: 1em;
  line-height: 1.6;
  text-align: center;
  max-width: 900px;
  margin: 0 auto 40px;
}

.page-khuyen-mai__icon-boxes {
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
}

.page-khuyen-mai__icon-box {
  flex: 0 0 30%;
  max-width: 350px;
  text-align: center;
  padding: 20px;
  border-radius: 12px;
  background-color: #f8f8f8;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
}

.page-khuyen-mai__icon-box:hover {
  transform: translateY(-5px);
}

.page-khuyen-mai__icon-box-media {
  width: 180px; /* Reduced from 240px for better fit */
  height: 180px; /* Reduced from 240px for better fit */
  aspect-ratio: 1/1;
  margin: 0 auto 20px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid #26A9E0;
}

.page-khuyen-mai__icon-box-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}

.page-khuyen-mai__icon-box-title {
  font-size: 1.4em;
  color: #26A9E0;
  margin-bottom: 10px;
  font-weight: 600;
}

.page-khuyen-mai__icon-box-text {
  font-size: 0.95em;
  line-height: 1.5;
  color: #555555;
}

.page-khuyen-mai__promotions-list {
  padding: 60px 0;
  background-color: #26A9E0; /* Dark background for this section */
  color: #FFFFFF;
}

.page-khuyen-mai__promotions-list .page-khuyen-mai__section-title {
  color: #FFFFFF;
}

.page-khuyen-mai__promotions-list .page-khuyen-mai__intro-text {
  color: #f0f0f0;
}

.page-khuyen-mai__promo-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-khuyen-mai__promo-card {
  background-color: #FFFFFF;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
  transition: transform 0.3s ease;
  color: #333333;
  display: flex;
  flex-direction: column;
}

.page-khuyen-mai__promo-card:hover {
  transform: translateY(-8px);
}

.page-khuyen-mai__promo-card img {
  width: 100%;
  height: 220px; /* Fixed height for promo card images */
  object-fit: cover;
  display: block;
}

.page-khuyen-mai__promo-content {
  padding: 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-khuyen-mai__promo-title {
  font-size: 1.3em;
  color: #26A9E0;
  margin-bottom: 15px;
  line-height: 1.3;
  font-weight: 600;
}

.page-khuyen-mai__promo-description {
  font-size: 0.95em;
  line-height: 1.6;
  color: #555555;
  margin-bottom: 20px;
}

.page-khuyen-mai__promo-content .page-khuyen-mai__btn-primary {
  width: 100%;
  max-width: 200px; /* Limit button width within card */
  margin-top: auto;
}

.page-khuyen-mai__faq-section {
  padding: 60px 0;
  background-color: #f8f8f8;
  color: #333333;
}

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

.page-khuyen-mai__faq-item {
  background-color: #FFFFFF;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-khuyen-mai__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.15em;
  font-weight: 600;
  color: #26A9E0;
  cursor: pointer;
  list-style: none;
  transition: background-color 0.3s ease;
}

.page-khuyen-mai__faq-item[open] > .page-khuyen-mai__faq-question {
  background-color: #e0f2f7;
}

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

.page-khuyen-mai__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  color: #26A9E0;
  margin-left: 15px;
}

.page-khuyen-mai__faq-answer {
  padding: 0 25px 20px;
  font-size: 1em;
  line-height: 1.7;
  color: #555555;
}

.page-khuyen-mai__faq-answer p {
  margin-bottom: 0;
}

/* Common content area for all sections */
.page-khuyen-mai__content-area {
  max-width: 1170px;
  margin: 0 auto;
  padding: 0 16px;
}

/* --- Mobile Responsive Styles (max-width: 768px) --- */
@media (max-width: 768px) {
  /* 1. HERO Section */
  .page-khuyen-mai__hero-section {
    padding-top: 10px !important;
    padding-bottom: 40px;
  }

  .page-khuyen-mai__hero-container {
    padding: 30px 15px;
  }

  .page-khuyen-mai__main-title {
    font-size: 2em;
    margin-bottom: 15px;
  }

  .page-khuyen-mai__description {
    font-size: 0.95em;
    margin-bottom: 25px;
  }

  .page-khuyen-mai__cta-buttons {
    flex-direction: column;
    gap: 15px;
    width: 100%;
    max-width: 100%;
    padding: 0 15px;
    box-sizing: border-box;
  }

  /* 6. Buttons and Button Containers */
  .page-khuyen-mai__btn-primary,
  .page-khuyen-mai__btn-secondary,
  .page-khuyen-mai a[class*="button"],
  .page-khuyen-mai 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: 12px 20px;
    font-size: 1em;
  }

  /* 4. Content sections (Intro, Promotions, FAQ) */
  .page-khuyen-mai__intro-section,
  .page-khuyen-mai__promotions-list,
  .page-khuyen-mai__faq-section {
    padding: 40px 0;
  }

  .page-khuyen-mai__content-area {
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-khuyen-mai__section-title {
    font-size: 1.8em;
    margin-bottom: 20px;
  }

  .page-khuyen-mai__intro-text {
    font-size: 0.9em;
    margin-bottom: 30px;
  }

  /* 2. Module 1 (Intro Section with circular images) */
  .page-khuyen-mai__icon-boxes {
    flex-direction: column;
    gap: 25px;
  }

  .page-khuyen-mai__icon-box {
    flex: 0 0 100%;
    max-width: 100%;
    padding: 15px;
  }

  .page-khuyen-mai__icon-box-media {
    width: 150px;
    height: 150px;
    margin-bottom: 15px;
    border-width: 3px;
  }

  .page-khuyen-mai__icon-box-title {
    font-size: 1.2em;
  }

  .page-khuyen-mai__promo-cards {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .page-khuyen-mai__promo-card img {
    
  }

  .page-khuyen-mai__promo-content {
    padding: 20px;
  }

  .page-khuyen-mai__promo-title {
    font-size: 1.1em;
    margin-bottom: 10px;
  }

  .page-khuyen-mai__promo-description {
    font-size: 0.9em;
    margin-bottom: 15px;
  }

  .page-khuyen-mai__promo-content .page-khuyen-mai__btn-primary {
    max-width: 100%;
  }

  /* FAQ Section */
  .page-khuyen-mai__faq-list {
    margin-top: 30px;
  }

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

  .page-khuyen-mai__faq-toggle {
    font-size: 1.2em;
  }

  .page-khuyen-mai__faq-answer {
    padding: 0 20px 15px;
    font-size: 0.9em;
  }

  /* 5. General Images */
  .page-khuyen-mai img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  /* Exception for circular images */
  .page-khuyen-mai__icon-box-media img {
    height: 100% !important;
    object-fit: cover !important;
  }
}